/* ---------- Reset & tokens ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

:root {
  --bg:        #000000;
  --bg-2:      #0a0a0c;
  --bg-3:      #141418;
  --border:    rgba(255, 255, 255, 0.06);
  --border-2:  rgba(255, 255, 255, 0.12);
  --text:      #f5f5f7;
  --text-dim:  #a1a1a6;
  --text-dim2: #6e6e73;
  --accent:    #0a84ff;
  --accent-2:  #ff375f;
  --accent-glow: rgba(10, 132, 255, 0.35);
  --accent-glow-soft: rgba(10, 132, 255, 0.10);

  --font-display: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Space Grotesk', sans-serif;
  --font-body:    -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Inter', system-ui, sans-serif;
  --font-mono:    'SF Mono', 'JetBrains Mono', 'Consolas', monospace;

  --container: 1180px;
  --radius: 18px;
  --radius-lg: 28px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

::selection { background: var(--accent); color: var(--bg); }

/* ---------- Preloader ---------- */
.preloader {
  position: fixed; inset: 0;
  background: #000;
  z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s var(--ease), visibility 0.6s;
}
.preloader.done { opacity: 0; visibility: hidden; }
.preloader-inner {
  display: flex; flex-direction: column; align-items: center; gap: 20px;
}
.preloader-logo {
  width: 72px; height: 72px;
  object-fit: contain;
  background: #fff;
  padding: 10px;
  border-radius: 16px;
  animation: pl-pulse 1.4s ease-in-out infinite;
  box-shadow: 0 0 80px rgba(10, 132, 255, 0.6);
}
@keyframes pl-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); box-shadow: 0 0 120px rgba(10, 132, 255, 0.9); }
}
.preloader-line {
  width: 140px; height: 1px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
  border-radius: 2px;
}
.preloader-line span {
  display: block;
  width: 40%; height: 100%;
  background: var(--accent);
  animation: pl-line 1.4s var(--ease) infinite;
}
@keyframes pl-line {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(350%); }
}


img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

/* ---------- Global background layers ---------- */
body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(1200px 700px at 75% -10%, rgba(10, 132, 255, 0.12), transparent 55%),
    radial-gradient(1000px 600px at -5% 50%, rgba(255, 55, 95, 0.05), transparent 60%),
    radial-gradient(900px 500px at 90% 100%, rgba(10, 132, 255, 0.05), transparent 60%),
    #000000;
  z-index: -2;
  pointer-events: none;
}

.grid-overlay {
  position: fixed; inset: 0;
  background-image:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.015) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

/* Fine film grain for premium texture */
.grain-overlay {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* Big soft spotlight that follows the cursor */
.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 640px; height: 640px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(10, 132, 255, 0.18) 0%, rgba(10, 132, 255, 0.06) 30%, transparent 65%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 1;
  mix-blend-mode: screen;
  will-change: transform;
  filter: blur(20px);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.cursor-glow.active { opacity: 1; }
@media (hover: none) {
  .cursor-glow { display: none; }
}

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 40px;
  z-index: 50;
  transition: all 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  padding: 10px 40px;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  border-bottom-color: var(--border);
}

.nav-logo {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.015em;
}
.nav-logo-img {
  width: 32px; height: 32px;
  object-fit: contain;
  background: #fff;
  border-radius: 8px;
  padding: 4px;
  transition: transform 0.3s var(--ease);
}
.nav-logo:hover .nav-logo-img { transform: rotate(-6deg) scale(1.05); }
.nav-logo-text { transition: opacity 0.3s; }
.logo-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  animation: heartbeat 1.2s ease-in-out infinite;
}
@keyframes heartbeat {
  0%, 70%, 100% { transform: scale(1); box-shadow: 0 0 12px var(--accent-glow); }
  20% { transform: scale(1.35); box-shadow: 0 0 20px var(--accent-glow); }
  35% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

.nav-links {
  list-style: none; padding: 0; margin: 0;
  display: flex; gap: 36px; align-items: center;
}
.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
  position: relative;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: ""; position: absolute; bottom: -6px; left: 0;
  width: 0; height: 1px; background: var(--accent);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  padding: 9px 18px;
  border: 1px solid var(--border-2);
  border-radius: 100px;
  color: var(--text) !important;
}
.nav-cta:hover {
  border-color: var(--accent);
  background: var(--accent-glow-soft);
  color: var(--accent) !important;
}
.nav-cta::after { display: none !important; }

.nav-toggle { display: none; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 120px 40px 80px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: 30%; left: 50%;
  transform: translate(-50%, -50%);
  width: 900px; height: 900px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  opacity: 0.4;
  filter: blur(40px);
  z-index: 0;
  pointer-events: none;
  animation: aurora 12s ease-in-out infinite;
}
@keyframes aurora {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.4; }
  50% { transform: translate(-50%, -52%) scale(1.1); opacity: 0.55; }
}
.ecg-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 1;
  z-index: 2;
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 3;
  max-width: 960px; text-align: center;
}

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px;
  border: 1px solid var(--border-2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
  background: rgba(13, 19, 31, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  margin: 0 0 32px;
}
.pulse-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 10px var(--accent-2);
  animation: pulse-dot 2s ease-out infinite;
}
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 var(--accent-2); }
  70% { box-shadow: 0 0 0 10px rgba(255, 61, 113, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 61, 113, 0); }
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.8rem, 12vw, 10.5rem);
  line-height: 0.9;
  letter-spacing: -0.055em;
  margin: 0 0 32px;
}
.title-line {
  display: block;
  opacity: 0;
  transform: translateY(30px);
  animation: rise 1s var(--ease) forwards;
}
.title-line:nth-child(1) { animation-delay: 0.1s; }
.title-line:nth-child(2) { animation-delay: 0.25s; }
.title-line.accent {
  background: linear-gradient(135deg, #64b5ff 0%, #0a84ff 45%, #c9d9ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 40px rgba(10, 132, 255, 0.25));
}
@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 40px;
  font-weight: 400;
  opacity: 0;
  animation: rise 1s var(--ease) 0.5s forwards;
}
.hero-subtitle em {
  color: var(--text);
  font-style: normal;
  border-bottom: 1px dashed var(--accent);
  padding-bottom: 2px;
}

.hero-ctas {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 64px;
  opacity: 0;
  animation: rise 1s var(--ease) 0.7s forwards;
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-weight: 500;
  font-size: 0.95rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  border: 1px solid transparent;
  will-change: transform;
}
.btn.magnetic { transition: transform 0.2s var(--ease), background 0.25s, box-shadow 0.25s, color 0.25s, border-color 0.25s; }
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn-primary:hover {
  background: #3ae1ff;
  transform: translateY(-2px);
  box-shadow: 0 12px 40px -12px var(--accent-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-2);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow-soft);
  transform: translateY(-2px);
}
.btn-small { padding: 10px 20px; font-size: 0.88rem; }

.hero-meta {
  display: inline-flex; align-items: center; gap: 28px;
  padding: 20px 32px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(13, 19, 31, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  animation: rise 1s var(--ease) 0.9s forwards;
}
.meta-item { display: flex; flex-direction: column; align-items: flex-start; }
.meta-item strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}
.meta-item span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim2);
  margin-top: 2px;
}
.meta-divider {
  width: 1px; height: 28px;
  background: var(--border-2);
}

.scroll-indicator {
  position: absolute; bottom: 34px; left: 50%;
  transform: translateX(-50%);
  width: 24px; height: 38px;
  border: 1px solid var(--border-2);
  border-radius: 20px;
  display: flex; justify-content: center; padding-top: 8px;
  opacity: 0.6;
  transition: opacity 0.3s;
}
.scroll-indicator:hover { opacity: 1; border-color: var(--accent); }
.scroll-indicator span {
  display: block;
  width: 3px; height: 8px;
  background: var(--accent);
  border-radius: 3px;
  animation: scroll-bounce 1.6s ease-in-out infinite;
}
@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(12px); opacity: 0.3; }
}

/* ---------- Affiliations Marquee ---------- */
.marquee-wrap {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  z-index: 3;
  mask-image: linear-gradient(90deg, transparent 0%, black 10%, black 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 10%, black 90%, transparent 100%);
}
.marquee {
  display: flex;
  overflow: hidden;
}
.marquee-track {
  display: flex;
  gap: 44px;
  white-space: nowrap;
  animation: marquee 60s linear infinite;
  will-change: transform;
}
.marquee-track span {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-dim);
  flex-shrink: 0;
}
.marquee-track span:nth-child(even) { color: var(--text-dim2); font-size: 0.75rem; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Hero parallax layers */
.hero-inner { will-change: transform; transition: transform 0.6s var(--ease); }

/* ---------- Vital Signs strip (PPG + ECG, between hero and About) ---------- */
.vitals {
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(10,132,255,0.04), rgba(255,55,95,0.03) 50%, transparent);
  padding: 28px 40px 34px;
  overflow: hidden;
}
.vitals-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
  align-items: stretch;
}
.vitals-legend {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
}
.vital-item {
  display: flex;
  align-items: center;
  gap: 12px;
}
.vital-swatch {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: block;
  flex-shrink: 0;
}
.vital-swatch-ppg { background: #ff3d71; box-shadow: 0 0 12px rgba(255,55,95,0.7); }
.vital-swatch-ecg { background: #0a84ff; box-shadow: 0 0 12px rgba(10,132,255,0.7); }
.vital-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}
.vital-desc {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-dim2);
}
.vitals-canvas-wrap {
  position: relative;
  height: 260px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.25);
}
.vitals-canvas-wrap .ecg-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 1;
  opacity: 1;
}

/* Floating orbs in hero */
.hero-orbs { position: absolute; inset: 0; pointer-events: none; z-index: 1; overflow: hidden; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(50px);
  opacity: 0.32;
  will-change: transform;
}
.orb-1 { width: 280px; height: 280px; background: radial-gradient(circle, #0a84ff, transparent 70%); top: 15%; left: 8%; animation: float-a 14s ease-in-out infinite; }
.orb-2 { width: 220px; height: 220px; background: radial-gradient(circle, #ff375f, transparent 70%); top: 55%; right: 10%; animation: float-b 16s ease-in-out infinite; opacity: 0.22; }
.orb-3 { width: 180px; height: 180px; background: radial-gradient(circle, #64b5ff, transparent 70%); bottom: 12%; left: 22%; animation: float-c 12s ease-in-out infinite; opacity: 0.28; }
.orb-4 { width: 140px; height: 140px; background: radial-gradient(circle, #a078dc, transparent 70%); top: 22%; right: 22%; animation: float-d 18s ease-in-out infinite; opacity: 0.25; }
@keyframes float-a { 0%,100%{transform:translate(0,0) scale(1);} 50%{transform:translate(80px,-40px) scale(1.15);} }
@keyframes float-b { 0%,100%{transform:translate(0,0) scale(1);} 50%{transform:translate(-60px,50px) scale(1.1);} }
@keyframes float-c { 0%,100%{transform:translate(0,0) scale(1);} 50%{transform:translate(50px,30px) scale(1.2);} }
@keyframes float-d { 0%,100%{transform:translate(0,0) scale(1);} 50%{transform:translate(-40px,-60px) scale(1.1);} }

/* Live indicator */
.hero-live {
  position: absolute;
  top: 100px; right: 40px;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(255, 55, 95, 0.4);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: #ff6b8a;
  z-index: 3;
}
.hero-live-dot {
  width: 6px; height: 6px;
  background: #ff375f;
  border-radius: 50%;
  box-shadow: 0 0 10px #ff375f;
  animation: live-blink 1.4s ease-in-out infinite;
}
@keyframes live-blink {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 55, 95, 0.7); }
  50% { opacity: 0.6; transform: scale(1.3); box-shadow: 0 0 0 8px rgba(255, 55, 95, 0); }
}

/* Pulsing ring around portrait */
.photo-frame::before {
  content: "";
  position: absolute;
  inset: -12px;
  border-radius: inherit;
  border: 2px solid var(--accent);
  opacity: 0;
  animation: portrait-pulse 2.4s ease-out infinite;
  pointer-events: none;
  z-index: -1;
}
@keyframes portrait-pulse {
  0% { transform: scale(0.98); opacity: 0.7; }
  80%, 100% { transform: scale(1.08); opacity: 0; }
}

/* ---------- Sections ---------- */
.section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 100px 40px;
  position: relative;
}

.section-header {
  display: flex; align-items: center; gap: 18px;
  margin-bottom: 48px;
}
.section-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.04em;
}
.section-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-2), transparent);
}

/* ---------- Section divider (between sections) — Apple-style hairline + glyph ---------- */
.section-divider {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  height: 1px;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.section-divider::before,
.section-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-2), transparent);
  opacity: 0.7;
}
.section-divider::before { margin-right: 18px; }
.section-divider::after  { margin-left: 18px; }
.section-divider span {
  position: relative;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(10,132,255,0.10), 0 0 18px var(--accent-glow);
  flex: none;
}
.section-divider span::before,
.section-divider span::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-2));
  transform: translateY(-50%);
}
.section-divider span::before { right: 100%; margin-right: 10px; }
.section-divider span::after  { left: 100%; margin-left: 10px; transform: translateY(-50%) scaleX(-1); }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 60px;
  align-items: start;
}
.about-photo { position: sticky; top: 100px; }
.photo-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, var(--bg-2), var(--bg-3));
  box-shadow:
    0 20px 60px -20px rgba(0, 0, 0, 0.6),
    0 0 0 1px var(--border);
  transition: all 0.5s var(--ease);
}
.photo-frame:hover {
  transform: translateY(-4px);
  box-shadow:
    0 30px 80px -20px rgba(0, 0, 0, 0.8),
    0 0 40px -10px var(--accent-glow);
}
.photo-frame::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.4) 100%);
  pointer-events: none;
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; }
.photo-placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  color: var(--text-dim2);
  background:
    radial-gradient(circle at 30% 30%, rgba(10, 132, 255, 0.15), transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(255, 55, 95, 0.08), transparent 50%);
}
.photo-frame.no-image .photo-placeholder { display: flex; }
.photo-frame:not(.no-image) .photo-placeholder { display: none; }
.photo-caption {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim2);
  margin-top: 12px;
  text-align: center;
}

.about-text { font-size: 1.05rem; }
.lede {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  font-weight: 500;
  line-height: 1.3;
  color: var(--text);
  margin: 0 0 28px;
  letter-spacing: -0.02em;
}
.about-text p { color: var(--text-dim); margin: 0 0 20px; }
.about-text strong { color: var(--text); font-weight: 600; }

.highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 44px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}
.highlight {
  padding: 20px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s var(--ease);
}
.highlight:hover { border-color: var(--accent); transform: translateY(-3px); }
.highlight-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.highlight-label {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.3;
}
.highlight-label small {
  display: block;
  color: var(--text-dim2);
  font-size: 0.76rem;
  margin-top: 2px;
}

/* ---------- Research cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  padding: 40px 32px;
  background: linear-gradient(180deg, var(--bg-2), rgba(10, 10, 12, 0.7));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.5s var(--ease);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(520px circle at var(--x,50%) var(--y,50%), rgba(10, 132, 255, 0.22), rgba(10, 132, 255, 0.08) 30%, transparent 55%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.card::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(320px circle at var(--x,50%) var(--y,50%), rgba(120, 180, 255, 0.55), transparent 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.card:hover::after { opacity: 1; }
.card:hover {
  border-color: rgba(10, 132, 255, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.5), 0 0 40px -10px var(--accent-glow);
}
.card:hover::before { opacity: 1; }

.card-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-glow-soft);
  color: var(--accent);
  border-radius: 12px;
  margin-bottom: 24px;
}
.card-icon svg { width: 32px; height: 32px; }
.card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.card p { color: var(--text-dim); margin: 0; font-size: 0.98rem; }

/* ---------- Featured project ---------- */
.project-featured {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  padding: 56px;
  background: linear-gradient(135deg, rgba(10, 132, 255, 0.06), rgba(255, 55, 95, 0.03));
  border: 1px solid var(--border);
  border-radius: 32px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.5);
}
.project-featured::after {
  content: "";
  position: absolute;
  top: -150px; right: -150px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent-glow), transparent 60%);
  opacity: 0.3;
  pointer-events: none;
  filter: blur(30px);
}

.project-media-frame {
  position: relative;
  aspect-ratio: 5 / 3;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  color: var(--text-dim);
}
.project-media-figure {
  aspect-ratio: auto;
  padding: 16px;
  background: #fff;
  min-height: 300px;
}
.project-figure-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 6px;
  filter: contrast(1.02);
  transition: transform 0.7s var(--ease);
}
.project-media-figure:hover .project-figure-img { transform: scale(1.03); }

/* Smart Cuff rotating gallery */
.project-gallery {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #fff;
  aspect-ratio: 16 / 10;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.6);
}
.project-gallery-track {
  position: relative;
  width: 100%; height: 100%;
}
.project-gallery-slide {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 0.9s var(--ease), transform 1.1s var(--ease);
  pointer-events: none;
}
.project-gallery-slide.is-active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}
.project-gallery-slide img {
  max-width: 100%;
  max-height: 100%;
  width: auto; height: auto;
  object-fit: contain;
}
.project-gallery-caption {
  position: absolute;
  bottom: 50px; left: 50%;
  transform: translateX(-50%);
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  border-radius: 100px;
  backdrop-filter: blur(10px);
  white-space: nowrap;
  max-width: 90%;
  overflow: hidden;
  text-overflow: ellipsis;
  border: 1px solid rgba(255,255,255,0.1);
}
.project-gallery-dots {
  position: absolute;
  bottom: 16px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 8px;
}
.gallery-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition: all 0.3s var(--ease);
  padding: 0;
}
.gallery-dot.is-active {
  background: var(--accent);
  width: 24px;
  border-radius: 4px;
}
.gallery-dot:hover { background: var(--accent); }
.project-gallery .project-badge {
  top: 16px; left: 16px;
  position: absolute;
  background: rgba(10, 132, 255, 0.95);
  color: #fff;
  border: none;
  padding: 7px 14px;
  font-weight: 500;
}
.project-illustration { width: 85%; color: var(--text-dim); }
.project-illustration .accent-stroke { stroke: var(--accent); }
.project-badge {
  position: absolute; top: 16px; left: 16px;
  padding: 6px 12px;
  background: rgba(0, 212, 255, 0.15);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  border-radius: 100px;
}

.project-kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.project-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  margin: 0 0 16px;
  letter-spacing: -0.03em;
}
.project-tagline {
  font-size: 1.1rem;
  color: var(--text);
  margin: 0 0 20px;
  font-weight: 500;
}
.project-body p { color: var(--text-dim); margin: 0 0 24px; }
.project-stack {
  display: flex; flex-wrap: wrap; gap: 8px;
  list-style: none; padding: 0; margin: 0;
}
.project-stack li {
  padding: 6px 14px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.project-card {
  padding: 32px;
  background: linear-gradient(180deg, var(--bg-2), rgba(10, 10, 12, 0.5));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.5s var(--ease);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}
.project-card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(420px circle at var(--x,50%) var(--y,50%), rgba(10, 132, 255, 0.18), transparent 50%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.project-card:hover {
  border-color: rgba(10, 132, 255, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.5), 0 0 40px -10px var(--accent-glow);
}
.project-card:hover::before { opacity: 1; }
.project-card-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-glow-soft);
  color: var(--accent);
  border-radius: 10px;
  margin-bottom: 20px;
  position: relative; z-index: 1;
}
.project-card-icon svg { width: 28px; height: 28px; }
.project-card-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.project-card h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.project-card p { color: var(--text-dim); font-size: 0.92rem; margin: 0; }

/* ---------- Background timeline (education + experience + awards) ---------- */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 170px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, transparent 0%, var(--border-2) 8%, var(--border-2) 92%, transparent 100%);
}
.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 150px 1fr;
  column-gap: 40px;
  padding: 18px 0 18px 0;
  align-items: flex-start;
}
.tl-item + .tl-item { margin-top: 6px; }
.tl-marker {
  position: absolute;
  left: 163px;
  top: 28px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--border-2);
  transition: all 0.35s var(--ease);
  z-index: 1;
}
.tl-marker::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: transparent;
  transition: all 0.35s var(--ease);
}
.tl-item:hover .tl-marker {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow-soft), 0 0 22px var(--accent-glow);
}
.tl-item:hover .tl-marker::after { background: var(--accent); }
.tl-item.tl-award .tl-marker {
  border-color: var(--accent-2);
  background: var(--bg);
}
.tl-item.tl-award .tl-marker::after { background: var(--accent-2); }
.tl-item.tl-award:hover .tl-marker {
  box-shadow: 0 0 0 4px rgba(255, 55, 95, 0.12), 0 0 22px rgba(255, 55, 95, 0.45);
}
.tl-item.tl-work .tl-marker::after { background: var(--accent); }
.tl-item.tl-work .tl-marker { border-color: var(--accent); }
.tl-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  text-align: right;
  padding-top: 22px;
  padding-right: 8px;
  white-space: nowrap;
}
.tl-card {
  padding: 20px 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.35s var(--ease);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.tl-item:hover .tl-card {
  border-color: var(--border-2);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
  transform: translateX(6px);
}
.tl-kind {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.tl-item.tl-award .tl-kind { color: var(--accent-2); }
.tl-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin-bottom: 4px;
}
.tl-org {
  font-size: 0.94rem;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.tl-note {
  font-size: 0.88rem;
  color: var(--text-dim2);
  line-height: 1.55;
  margin-top: 6px;
}

.skills-block { max-width: 900px; margin: 80px auto 0; }
.skills-heading {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.skills { display: flex; flex-direction: column; gap: 18px; }
.skill-group {
  padding: 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.skill-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.skill-tags span {
  padding: 5px 11px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-dim);
}

/* ---------- Signal Journey section ---------- */
.section-journey {
  max-width: 1400px;
  padding-top: 80px;
  padding-bottom: 80px;
}
.journey-header {
  max-width: 900px;
  margin: 0 auto 48px;
  text-align: center;
}
.journey-kicker {
  display: inline-block;
  padding: 7px 16px;
  border: 1px solid var(--border-2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 24px;
  background: var(--accent-glow-soft);
}
.journey-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 4.5rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.045em;
  margin: 0 0 22px;
}
.journey-title em {
  font-style: normal;
  background: linear-gradient(135deg, #64b5ff 0%, #0a84ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.journey-lede {
  font-size: 1.1rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin: 0 auto;
  max-width: 640px;
}

.journey-canvas-wrap {
  position: relative;
  height: clamp(320px, 45vh, 500px);
  background: linear-gradient(180deg, rgba(10, 132, 255, 0.04), transparent 70%);
  border: 1px solid var(--border);
  border-radius: 32px;
  overflow: hidden;
  margin-top: 48px;
}
.journey-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.journey-labels {
  position: absolute; inset: 0;
  pointer-events: none;
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 28px 36px;
}
.journey-label {
  display: flex; flex-direction: column; gap: 4px;
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border);
  border-radius: 14px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  max-width: 260px;
}
.journey-label.is-left { align-self: flex-start; }
.journey-label.is-right { align-self: flex-end; }
.journey-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.journey-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}
.journey-desc {
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ---------- Publications ---------- */
.subsection-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 40px 0 20px;
  color: var(--text);
}
.subsection-title:first-of-type { margin-top: 0; }

.pub-list {
  list-style: none; padding: 0; margin: 0 0 32px;
  display: flex; flex-direction: column; gap: 14px;
}
.pub-item {
  display: flex; gap: 24px;
  padding: 24px 28px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s var(--ease);
}
.pub-item:hover { border-color: var(--border-2); transform: translateX(6px); }
.pub-highlighted {
  border-color: rgba(0, 212, 255, 0.3);
  background: linear-gradient(135deg, var(--bg-2), rgba(0, 212, 255, 0.04));
}
.pub-placeholder { opacity: 0.7; border-style: dashed; }
.pub-marker {
  flex-shrink: 0;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-glow-soft);
  color: var(--accent);
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: 600;
}
.pub-meta {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.pub-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.pub-venue { font-size: 0.92rem; color: var(--text-dim); }

.pub-figure-row {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.pub-figure {
  flex: 1 1 0;
  min-width: 180px;
  max-width: 300px;
  aspect-ratio: 4 / 3;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  padding: 8px;
  border: 1px solid var(--border);
  transition: all 0.4s var(--ease);
  cursor: zoom-in;
}
.pub-figure:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 40px -12px rgba(0, 0, 0, 0.6), 0 0 30px -10px var(--accent-glow);
  border-color: var(--accent);
}
.pub-figure img {
  width: 100%; height: 100%;
  object-fit: contain;
}

.pub-footer { display: flex; gap: 12px; margin-top: 24px; }

.pub-title a {
  color: inherit;
  border-bottom: 1px solid transparent;
  transition: all 0.2s;
}
.pub-title a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Conference presentations list */
.conf-list {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.conf-list li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  align-items: baseline;
  padding: 14px 16px;
  border-left: 2px solid var(--border);
  transition: all 0.3s var(--ease);
  font-size: 0.93rem;
}
.conf-list li:hover {
  border-left-color: var(--accent);
  background: rgba(0, 212, 255, 0.03);
}
.conf-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.conf-list strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 4px;
}
.conf-venue {
  display: block;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ---------- Contact ---------- */
.section-contact {
  padding-bottom: 80px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-pitch h3 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}
.contact-pitch p { color: var(--text-dim); margin: 0; font-size: 1rem; }

.contact-icons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
  gap: 14px;
  align-content: start;
}
.contact-icon {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  aspect-ratio: 1 / 1;
  padding: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.008));
  border: 1px solid var(--border);
  border-radius: 22px;
  color: var(--text);
  transition: all 0.35s var(--ease);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.contact-icon svg {
  width: 28px;
  height: 28px;
  color: var(--text-dim);
  transition: all 0.35s var(--ease);
}
.contact-icon .contact-tip {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim2);
  transition: color 0.3s var(--ease);
}
.contact-icon:hover {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(10,132,255,0.10), rgba(10,132,255,0.02));
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(10,132,255,0.18), 0 0 0 1px rgba(10,132,255,0.25);
}
.contact-icon:hover svg { color: var(--accent); transform: scale(1.08); }
.contact-icon:hover .contact-tip { color: var(--text); }
.contact-icon:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  margin-top: 40px;
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.88rem;
  color: var(--text-dim2);
}
.footer-tag { font-family: var(--font-mono); font-size: 0.78rem; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(60px) scale(0.98);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
  filter: blur(6px);
  transition-property: opacity, transform, filter;
}
.reveal.visible { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }

/* alternating side-slide on cards */
.cards .card:nth-child(1) { --slide-x: -40px; }
.cards .card:nth-child(2) { --slide-x: 0px; }
.cards .card:nth-child(3) { --slide-x: 40px; }
.cards .card.reveal { transform: translateY(60px) translateX(var(--slide-x, 0)) scale(0.96); }
.cards .card.reveal.visible { transform: translateY(0) translateX(0) scale(1); }

/* Word-by-word title reveal */
.word {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
}
.word-inner {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 0.9s var(--ease);
}
.reveal.visible .word-inner { transform: translateY(0); }
.reveal .word:nth-child(1) .word-inner { transition-delay: 0.05s; }
.reveal .word:nth-child(2) .word-inner { transition-delay: 0.12s; }
.reveal .word:nth-child(3) .word-inner { transition-delay: 0.19s; }
.reveal .word:nth-child(4) .word-inner { transition-delay: 0.26s; }
.reveal .word:nth-child(5) .word-inner { transition-delay: 0.33s; }

/* Tilt effect on featured */
.tilt {
  transform-style: preserve-3d;
  transition: transform 0.6s var(--ease);
  will-change: transform;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .nav { padding: 14px 20px; }
  .nav.scrolled { padding: 10px 20px; }
  .nav-links {
    position: fixed; top: 0; right: -100%;
    flex-direction: column;
    width: min(80vw, 320px);
    height: 100vh;
    background: var(--bg-2);
    padding: 100px 40px 40px;
    gap: 28px;
    border-left: 1px solid var(--border);
    transition: right 0.4s var(--ease);
  }
  .nav.mobile-open .nav-links { right: 0; }
  .nav-toggle {
    display: flex; flex-direction: column; gap: 5px;
    background: transparent; border: none; cursor: pointer;
    width: 28px; padding: 4px 0; z-index: 100;
  }
  .nav-toggle span {
    display: block; height: 2px; width: 100%;
    background: var(--text);
    transition: all 0.3s var(--ease);
    border-radius: 2px;
  }
  .nav.mobile-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.mobile-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav.mobile-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .section { padding: 80px 20px; }
  .hero { padding: 120px 20px 60px; }
  .hero-meta { gap: 16px; padding: 14px 20px; }
  .meta-divider { height: 24px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { position: static; max-width: 260px; }
  .highlights { grid-template-columns: 1fr; }
  .timeline::before { left: 18px; }
  .tl-item {
    grid-template-columns: 1fr;
    column-gap: 0;
    padding-left: 44px;
  }
  .tl-marker { left: 10px; top: 18px; }
  .tl-date { text-align: left; padding-top: 0; padding-right: 0; margin-bottom: 8px; }
  .tl-card { padding: 16px 18px; }
  .tl-item:hover .tl-card { transform: none; }
  .skills-block { margin-top: 48px; }
  .section-divider { padding: 0 20px; }
  .conf-list li { grid-template-columns: 1fr; gap: 4px; }
  .cards { grid-template-columns: 1fr; }
  .project-featured { grid-template-columns: 1fr; padding: 28px; gap: 28px; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-media-figure { min-height: 200px; }
  .vitals { padding: 20px; }
  .vitals-inner { grid-template-columns: 1fr; gap: 16px; }
  .vitals-legend { flex-direction: row; justify-content: center; gap: 32px; }
  .vitals-canvas-wrap { height: 200px; }
  .journey-canvas-wrap { height: 300px; border-radius: 20px; }
  .journey-labels { padding: 12px 14px; flex-direction: column; gap: 8px; }
  .journey-label { max-width: 100%; padding: 10px 12px; }
  .pub-figure { min-width: 140px; max-width: 100%; }
  .marquee-track { gap: 28px; }
  .marquee-track span { font-size: 0.82rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================================================
   v2 ADDITIONS — hiring-signal, a11y, focus states, print
   ========================================================================== */

/* ---------- Skip to content (a11y) ---------- */
.skip-link {
  position: fixed;
  top: -44px;
  left: 16px;
  z-index: 10000;
  padding: 10px 16px;
  background: var(--accent);
  color: #000;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.5);
  transition: top 0.25s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible {
  top: 12px;
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* ---------- Global focus-visible (keyboard only) ---------- */
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.gallery-dot:focus-visible,
.nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 10px;
}
.nav-links a:focus-visible { outline-offset: 6px; }

/* Contrast fix: --text-dim2 was 4.2:1 on black; bump to pass WCAG AA */
:root { --text-dim2: #8a8a90; }

/* ---------- Nav: "Hiring?" item + CV button in hero ---------- */
.nav-available {
  display: inline-flex !important;
  align-items: center;
  gap: 7px;
  color: var(--text) !important;
  background: rgba(52, 199, 89, 0.08);
  border: 1px solid rgba(52, 199, 89, 0.35);
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 0.82rem !important;
  transition: all 0.25s var(--ease);
}
.nav-available::after { display: none !important; }
.nav-available:hover {
  background: rgba(52, 199, 89, 0.16);
  border-color: #34c759;
  color: #fff !important;
  transform: translateY(-1px);
}
.nav-avail-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #34c759;
  box-shadow: 0 0 8px rgba(52, 199, 89, 0.9);
  animation: avail-pulse 2s ease-out infinite;
  flex-shrink: 0;
}
@keyframes avail-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(52, 199, 89, 0.6); }
  70%      { box-shadow: 0 0 0 8px rgba(52, 199, 89, 0); }
}

.btn-cv { font-family: var(--font-mono); letter-spacing: 0.01em; }
.btn-cv svg { transition: transform 0.25s var(--ease); }
.btn-cv:hover svg { transform: translateY(2px); }

/* ---------- Hero eyebrow "Open to R&D" emphasis ---------- */
.hero-eyebrow strong {
  color: var(--text);
  font-weight: 600;
  background: linear-gradient(135deg, #64b5ff, #0a84ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.01em;
}

/* ---------- #available / Open to Work card ---------- */
.section-available {
  max-width: 1280px;
  padding-top: 80px;
  padding-bottom: 80px;
}
.avail-card {
  position: relative;
  padding: 44px 48px;
  background:
    radial-gradient(900px 400px at 80% -20%, rgba(52, 199, 89, 0.10), transparent 60%),
    linear-gradient(180deg, rgba(10, 132, 255, 0.06), rgba(10, 10, 12, 0.4));
  border: 1px solid var(--border);
  border-radius: 32px;
  overflow: hidden;
  box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.55);
}
.avail-card::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(52, 199, 89, 0.45), rgba(10, 132, 255, 0.25) 50%, transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: 0.8;
}
.avail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  padding-bottom: 28px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.avail-status {
  display: flex;
  align-items: center;
  gap: 14px;
}
.avail-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: #34c759;
  box-shadow: 0 0 0 4px rgba(52, 199, 89, 0.15), 0 0 20px rgba(52, 199, 89, 0.6);
  animation: avail-pulse 2s ease-out infinite;
  flex-shrink: 0;
}
.avail-label {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.015em;
}
.avail-sub {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
  margin-top: 2px;
}
.avail-timeline {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.avail-pill {
  display: flex;
  flex-direction: column;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  min-width: 120px;
}
.avail-kicker {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.avail-when {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  margin-top: 2px;
}

.avail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 36px;
}
.avail-col h3 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.avail-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.avail-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 20px;
  position: relative;
  font-size: 0.94rem;
  line-height: 1.45;
}
.avail-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}
.avail-list li strong {
  color: var(--text);
  font-weight: 600;
}
.avail-list li span {
  color: var(--text-dim);
  font-size: 0.86rem;
}
.avail-pitch {
  font-size: 0.98rem;
  color: var(--text-dim);
  line-height: 1.55;
  margin: 0 0 20px;
}
.avail-pitch strong { color: var(--text); font-weight: 600; }
.avail-pitch em { color: var(--accent); font-style: normal; }
.avail-cta {
  display: inline-flex;
  margin-right: 10px;
  margin-bottom: 10px;
}
.avail-cta-secondary { display: inline-flex; }

/* ---------- CV section: download button in header ---------- */
.cv-download {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
  padding: 8px 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
}
.cv-download svg { transition: transform 0.25s var(--ease); }
.cv-download:hover svg { transform: translateY(2px); }

/* ---------- Contact CTAs ---------- */
.contact-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- Mobile adaptations ---------- */
@media (max-width: 960px) {
  .avail-card { padding: 28px 22px; border-radius: 22px; }
  .avail-header { flex-direction: column; align-items: flex-start; gap: 20px; }
  .avail-grid { grid-template-columns: 1fr; gap: 28px; }
  .avail-pill { min-width: 0; flex: 1 1 140px; }
  .nav-available { padding: 4px 10px; font-size: 0.78rem !important; }
  .section-header .cv-download { margin-top: 8px; }
  .gallery-dot { width: 12px; height: 12px; }
  .gallery-dot.is-active { width: 28px; }
  /* Reduce GPU pressure on mobile */
  .hero-orbs, .grain-overlay { display: none; }
  body::before {
    background:
      radial-gradient(700px 400px at 75% -10%, rgba(10, 132, 255, 0.10), transparent 55%),
      #000000;
  }
}

/* ==========================================================================
   v3 ADDITIONS — plain-english, results, research vision, FAQ, findings
   ========================================================================== */

/* ---------- "In plain English" callout ---------- */
.plain-english {
  position: relative;
  margin: 0 0 28px;
  padding: 18px 22px 18px 24px;
  background:
    linear-gradient(180deg, rgba(52, 199, 89, 0.07), rgba(52, 199, 89, 0.02));
  border: 1px solid rgba(52, 199, 89, 0.25);
  border-left: 3px solid #34c759;
  border-radius: 14px;
}
.plain-english-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #34c759;
  margin-bottom: 8px;
  padding: 3px 10px;
  background: rgba(52, 199, 89, 0.12);
  border-radius: 100px;
}
.plain-english p {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.55;
}
.plain-english strong { color: #34c759; font-weight: 600; }

/* ---------- Clinical results chips (Smart Cuff section) ---------- */
.project-results {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 24px;
  padding: 16px 18px;
  background: rgba(10, 132, 255, 0.05);
  border: 1px solid rgba(10, 132, 255, 0.22);
  border-radius: 14px;
}
.result-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1 1 200px;
  min-width: 0;
}
.result-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
  white-space: nowrap;
  flex-shrink: 0;
}
.result-lbl {
  font-size: 0.86rem;
  color: var(--text);
  font-weight: 500;
  line-height: 1.25;
}
.result-lbl small {
  display: block;
  font-size: 0.72rem;
  color: var(--text-dim);
  font-weight: 400;
  margin-top: 2px;
}

/* ---------- Publication "Key result" callout ---------- */
.pub-findings {
  margin-top: 10px;
  padding: 10px 14px;
  background: rgba(10, 132, 255, 0.06);
  border-left: 2px solid var(--accent);
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.5;
}
.pub-findings strong { color: var(--accent); font-weight: 600; }
.pub-findings strong:not(:first-child) { color: var(--text); }

/* ---------- Research Vision card ---------- */
.research-vision {
  margin-top: 48px;
  padding: 36px 40px;
  position: relative;
  background:
    radial-gradient(600px 200px at 20% 0%, rgba(10, 132, 255, 0.08), transparent 60%),
    linear-gradient(180deg, rgba(10, 132, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
}
.research-vision::before {
  content: "“";
  position: absolute;
  top: -20px; left: 20px;
  font-family: Georgia, serif;
  font-size: 8rem;
  color: rgba(10, 132, 255, 0.15);
  line-height: 1;
  font-weight: 700;
  pointer-events: none;
}
.vision-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.vision-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
  letter-spacing: -0.025em;
  margin: 0 0 18px;
  max-width: 780px;
}
.vision-body {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.65;
  margin: 0;
  max-width: 780px;
}
.vision-body strong {
  color: var(--text);
  font-weight: 600;
}

/* ---------- Medical-device literacy tags ---------- */
.skill-tags-lit span {
  background: rgba(255, 55, 95, 0.06);
  border-color: rgba(255, 55, 95, 0.25);
  color: var(--text);
}
.skill-note {
  font-size: 0.82rem;
  color: var(--text-dim);
  font-style: italic;
  margin: 12px 0 0;
  line-height: 1.5;
}

/* ---------- FAQ section ---------- */
.section-faq {
  max-width: var(--container);
}
.faq-lede {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 720px;
  margin: 0 0 36px;
  line-height: 1.6;
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.faq-item {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  transition: all 0.3s var(--ease);
  overflow: hidden;
}
.faq-item:hover {
  border-color: var(--border-2);
  background: rgba(255,255,255,0.02);
}
.faq-item[open] {
  border-color: rgba(10, 132, 255, 0.35);
  background: linear-gradient(180deg, rgba(10, 132, 255, 0.04), transparent);
}
.faq-item summary {
  cursor: pointer;
  padding: 18px 22px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color 0.25s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  width: 10px; height: 10px;
  border-right: 2px solid var(--text-dim);
  border-bottom: 2px solid var(--text-dim);
  transform: rotate(45deg);
  transition: all 0.3s var(--ease);
  flex-shrink: 0;
  margin-right: 4px;
}
.faq-item[open] summary::after {
  transform: rotate(-135deg);
  border-color: var(--accent);
  margin-top: 4px;
}
.faq-item summary:hover { color: var(--accent); }
.faq-item summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -4px;
  border-radius: var(--radius);
}
.faq-item p {
  margin: 0;
  padding: 0 22px 20px;
  color: var(--text-dim);
  font-size: 0.96rem;
  line-height: 1.6;
}
.faq-item p strong { color: var(--text); font-weight: 600; }
.faq-item p a {
  color: var(--accent);
  border-bottom: 1px dashed var(--accent);
}
.faq-item p a:hover { color: #3ae1ff; border-bottom-style: solid; }

/* FAQ responsive */
@media (max-width: 960px) {
  .faq-grid { grid-template-columns: 1fr; }
  .research-vision { padding: 24px 22px; border-radius: 18px; }
  .research-vision::before { font-size: 5rem; top: -8px; left: 10px; }
  .project-results { flex-direction: column; gap: 8px; }
  .result-chip { flex: 1 1 auto; }
  .plain-english { padding: 14px 16px; }
  /* Hero meta on mobile needs to fit 3 items smoothly */
  .hero-meta {
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 16px 22px;
  }
  .meta-divider { display: none; }
  .meta-item { flex-direction: row; align-items: baseline; gap: 8px; text-align: center; }
}

/* Nav: with 8 items now, tighten a bit on narrower desktop */
@media (max-width: 1100px) and (min-width: 961px) {
  .nav-links { gap: 24px; }
  .nav-links a { font-size: 0.86rem; }
  .nav-available { font-size: 0.76rem !important; padding: 4px 10px; }
}

/* ---------- Print stylesheet (clean CV printout) ---------- */
@media print {
  .preloader, .grid-overlay, .grain-overlay, .cursor-glow,
  .hero-orbs, .nav, .scroll-indicator, .marquee-wrap, .vitals,
  .section-journey, .ecg-canvas, .journey-canvas, .cursor-glow,
  .nav-toggle, .skip-link, .hero-ctas,
  .section-divider, .footer-tag, .contact-icons, .contact-ctas,
  .cv-download, .btn, .avail-cta, .avail-cta-secondary,
  .section-faq {
    display: none !important;
  }
  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 11pt;
  }
  body::before { display: none !important; }
  a { color: #000 !important; text-decoration: none !important; }
  .section { padding: 16pt 0 !important; max-width: none !important; }
  .section-title { color: #000 !important; font-size: 18pt !important; }
  .section-num, .tl-kind, .pub-meta, .skill-label, .avail-col h3 { color: #444 !important; }
  .hero { min-height: 0 !important; padding: 0 !important; }
  .hero-title { color: #000 !important; font-size: 32pt !important; margin: 0 0 4pt; }
  .hero-title .accent { color: #000 !important; -webkit-text-fill-color: #000 !important; filter: none !important; }
  .hero-subtitle { color: #333 !important; font-size: 11pt !important; }
  .hero-eyebrow, .hero-meta { background: none !important; border: none !important; color: #000 !important; padding: 0 !important; }
  .pulse-dot, .avail-dot { display: none !important; }
  .photo-frame { border: 1px solid #000 !important; }
  .highlight, .card, .pub-item, .tl-card, .avail-card, .avail-pill, .skill-group, .project-featured, .project-card,
  .plain-english, .research-vision, .project-results, .result-chip, .pub-findings, .faq-item {
    background: #fff !important; border: 1px solid #ccc !important; box-shadow: none !important;
    page-break-inside: avoid;
  }
  .plain-english strong, .pub-findings strong:first-child, .vision-kicker { color: #000 !important; }
  .research-vision::before { display: none !important; }
  .avail-card::before { display: none !important; }
  .tl-item { page-break-inside: avoid; }
  .pub-figure, .project-gallery { display: none !important; }
  .pub-title a { color: #000 !important; text-decoration: underline !important; }
  .footer { border: none !important; }
}

/* ==========================================================================
   v4 ADDITIONS — UX: progress, nav-active, back-to-top, mobile CTA,
   toasts, ⌘K palette, lightbox, gallery arrows, FAQ hash focus
   ========================================================================== */

/* ---------- sr-only ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ---------- Scroll progress bar ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0;
  height: 2px; z-index: 9998;
  background: transparent; pointer-events: none;
}
.scroll-progress-bar {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), #3ae1ff);
  box-shadow: 0 0 12px var(--accent-glow);
  transition: width 0.1s linear;
  transform-origin: left center;
}

/* ---------- Nav active state (current section) ---------- */
.nav-links a.is-active {
  color: var(--text);
}
.nav-links a.is-active::after {
  width: 100%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(10, 10, 12, 0.82);
  border: 1px solid var(--border-2);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  color: var(--text);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: all 0.4s var(--ease);
  z-index: 40;
  padding: 0;
}
.back-to-top svg { width: 20px; height: 20px; }
.back-to-top.visible {
  opacity: 1; visibility: visible;
  transform: translateY(0) scale(1);
}
.back-to-top:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 10px 28px rgba(0,0,0,0.5), 0 0 30px var(--accent-glow);
  transform: translateY(-2px) scale(1.05);
}
.back-to-top:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Mobile sticky action bar ---------- */
.mobile-cta {
  position: fixed;
  bottom: 12px; left: 12px; right: 12px;
  display: none;
  gap: 8px;
  padding: 8px;
  background: rgba(10, 10, 12, 0.85);
  border: 1px solid var(--border-2);
  border-radius: 16px;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
  z-index: 40;
  opacity: 0;
  transform: translateY(120%);
  transition: transform 0.45s var(--ease), opacity 0.3s var(--ease);
}
.mobile-cta.visible {
  opacity: 1;
  transform: translateY(0);
}
.mobile-cta-btn {
  display: inline-flex;
  align-items: center; justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  text-decoration: none;
}
.mobile-cta-primary {
  flex: 1;
  background: var(--accent);
  color: #000;
}
.mobile-cta-primary:hover,
.mobile-cta-primary:active { background: #3ae1ff; }
.mobile-cta-secondary {
  width: 44px; height: 44px;
  padding: 10px;
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.mobile-cta-secondary:hover,
.mobile-cta-secondary:active {
  background: rgba(10, 132, 255, 0.15);
  border-color: var(--accent);
  color: var(--accent);
}
.mobile-cta-secondary svg { width: 20px; height: 20px; }
.mobile-cta-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #34c759;
  box-shadow: 0 0 8px rgba(52, 199, 89, 0.9);
  animation: avail-pulse 2s ease-out infinite;
  flex-shrink: 0;
}
@media (max-width: 720px) {
  .mobile-cta { display: flex; }
  .back-to-top { bottom: 84px; right: 16px; width: 44px; height: 44px; }
  .cmdk-hint { display: none !important; }
  /* Reserve scroll space so the sticky bar doesn't overlap footer content */
  .footer { padding-bottom: 100px; }
}

/* ---------- ⌘K hint pill ---------- */
.cmdk-hint {
  position: fixed;
  bottom: 28px; left: 28px;
  display: inline-flex;
  align-items: center; gap: 4px;
  padding: 10px 14px;
  background: rgba(10, 10, 12, 0.82);
  border: 1px solid var(--border-2);
  border-radius: 100px;
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  cursor: pointer;
  z-index: 40;
  opacity: 0;
  transform: translateY(16px) scale(0.95);
  transition: all 0.4s var(--ease);
}
.cmdk-hint.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.cmdk-hint:hover {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(10, 132, 255, 0.15);
}
.cmdk-hint kbd {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border-2);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--text);
  line-height: 1;
}
.cmdk-hint:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Toasts ---------- */
.toast-container {
  position: fixed;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column-reverse; gap: 10px;
  z-index: 10001;
  pointer-events: none;
  max-width: calc(100vw - 40px);
}
.toast {
  pointer-events: auto;
  display: inline-flex;
  align-items: center; gap: 10px;
  padding: 12px 18px;
  background: rgba(10, 10, 12, 0.95);
  border: 1px solid var(--border-2);
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 16px 40px rgba(0,0,0,0.6);
  opacity: 0;
  transform: translateY(20px);
  animation: toast-in 0.35s var(--ease) forwards;
  max-width: 420px;
}
.toast.toast-out { animation: toast-out 0.3s var(--ease) forwards; }
.toast.toast-success { border-left-color: #34c759; }
.toast.toast-error { border-left-color: var(--accent-2); }
.toast svg { width: 18px; height: 18px; flex-shrink: 0; }
.toast .toast-success-icon { color: #34c759; }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-10px); }
}
@media (max-width: 720px) {
  .toast-container { bottom: 84px; }
}

/* ---------- ⌘K Command Palette ---------- */
.cmdk {
  position: fixed; inset: 0;
  z-index: 10000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(20px, 10vh, 120px) 20px 20px;
}
.cmdk[hidden] { display: none; }
.cmdk-backdrop {
  position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: cmdk-fade-in 0.25s var(--ease);
}
.cmdk-panel {
  position: relative;
  width: 100%;
  max-width: 620px;
  background: linear-gradient(180deg, rgba(25, 25, 30, 0.98), rgba(15, 15, 18, 0.98));
  border: 1px solid var(--border-2);
  border-radius: 18px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.02) inset;
  overflow: hidden;
  animation: cmdk-pop-in 0.3s var(--ease);
  display: flex; flex-direction: column;
  max-height: min(80vh, 640px);
}
@keyframes cmdk-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes cmdk-pop-in {
  from { opacity: 0; transform: translateY(-10px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.cmdk-header {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
}
.cmdk-search-icon { width: 18px; height: 18px; color: var(--text-dim); flex-shrink: 0; }
.cmdk-input {
  flex: 1;
  background: transparent;
  border: none; outline: none;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 4px 0;
}
.cmdk-input::placeholder { color: var(--text-dim2); }
.cmdk-kbd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border-2);
  border-radius: 4px;
  padding: 2px 7px;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
}
.cmdk-kbd:hover { color: var(--text); border-color: var(--accent); }

.cmdk-list {
  list-style: none;
  margin: 0; padding: 8px;
  overflow-y: auto;
  flex: 1;
}
.cmdk-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text);
  transition: background 0.12s;
  user-select: none;
}
.cmdk-item[aria-selected="true"],
.cmdk-item:hover {
  background: rgba(10, 132, 255, 0.15);
}
.cmdk-item[aria-selected="true"] .cmdk-item-hint,
.cmdk-item:hover .cmdk-item-hint { color: var(--accent); }
.cmdk-item-icon {
  width: 30px; height: 30px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(10, 132, 255, 0.12);
  border-radius: 7px;
  color: var(--accent);
}
.cmdk-item-icon svg { width: 16px; height: 16px; }
.cmdk-item-text {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column;
}
.cmdk-item-label {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
}
.cmdk-item-hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 2px;
}
.cmdk-item-arrow {
  color: var(--text-dim2);
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity 0.2s;
}
.cmdk-item[aria-selected="true"] .cmdk-item-arrow { opacity: 1; color: var(--accent); }

.cmdk-empty {
  padding: 28px 24px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.92rem;
}

.cmdk-footer {
  display: flex;
  gap: 18px;
  padding: 10px 18px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim2);
  background: rgba(0,0,0,0.3);
}
.cmdk-footer kbd {
  font-family: inherit;
  font-size: 0.68rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--text-dim);
  margin: 0 2px;
}
@media (max-width: 600px) {
  .cmdk-footer { gap: 10px; font-size: 0.65rem; }
  .cmdk-panel { max-height: 85vh; }
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 40px 60px;
  animation: cmdk-fade-in 0.25s var(--ease);
}
.lightbox[hidden] { display: none; }
.lightbox-stage {
  position: relative;
  max-width: min(1200px, 92vw);
  max-height: 85vh;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 30px 80px rgba(0,0,0,0.7);
  animation: lb-pop 0.35s var(--ease);
}
@keyframes lb-pop {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}
.lightbox-close,
.lightbox-nav {
  position: absolute;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(20, 20, 24, 0.7);
  border: 1px solid var(--border-2);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s var(--ease);
  z-index: 2;
  padding: 0;
}
.lightbox-close svg, .lightbox-nav svg { width: 22px; height: 22px; }
.lightbox-close { top: 20px; right: 20px; }
.lightbox-prev { left: 16px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 16px; top: 50%; transform: translateY(-50%); }
.lightbox-close:hover,
.lightbox-nav:hover {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  transform: scale(1.1);
}
.lightbox-nav:hover { transform: translateY(-50%) scale(1.1); }
.lightbox-caption {
  position: absolute;
  bottom: 16px; left: 50%;
  transform: translateX(-50%);
  padding: 8px 18px;
  background: rgba(20, 20, 24, 0.85);
  backdrop-filter: blur(12px);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  max-width: 85vw;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lightbox-counter {
  position: absolute;
  top: 20px; left: 50%;
  transform: translateX(-50%);
  padding: 6px 14px;
  background: rgba(20, 20, 24, 0.7);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  backdrop-filter: blur(12px);
}
@media (max-width: 720px) {
  .lightbox { padding: 20px; }
  .lightbox-close { top: 12px; right: 12px; }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
  .lightbox-caption { font-size: 0.74rem; padding: 6px 14px; bottom: 8px; }
}

/* Make publication figures and gallery images look clickable */
.pub-figure,
.project-gallery-slide img {
  cursor: zoom-in;
}

/* ---------- Gallery prev/next + pause indicator ---------- */
.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.25s var(--ease);
  opacity: 0;
  z-index: 3;
  padding: 0;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.gallery-nav svg { width: 20px; height: 20px; }
.gallery-prev { left: 14px; }
.gallery-next { right: 14px; }
.project-gallery:hover .gallery-nav,
.project-gallery:focus-within .gallery-nav {
  opacity: 1;
}
.gallery-nav:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
  transform: translateY(-50%) scale(1.1);
}
.gallery-nav:focus-visible {
  opacity: 1;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.gallery-pause-badge {
  position: absolute;
  top: 16px; right: 16px;
  padding: 5px 12px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  opacity: 0;
  transform: translateY(-6px);
  transition: all 0.25s var(--ease);
  z-index: 3;
  pointer-events: none;
}
.project-gallery.is-paused .gallery-pause-badge {
  opacity: 1;
  transform: translateY(0);
}
@media (hover: none) {
  .gallery-nav { opacity: 1; background: rgba(0, 0, 0, 0.5); }
}

/* ---------- FAQ: visual focus on deep-linked question ---------- */
.faq-item:target,
.faq-item.faq-flash {
  border-color: var(--accent) !important;
  background: linear-gradient(180deg, rgba(10, 132, 255, 0.10), rgba(10, 132, 255, 0.02)) !important;
  box-shadow: 0 0 0 2px rgba(10, 132, 255, 0.15), 0 0 30px rgba(10, 132, 255, 0.2);
  scroll-margin-top: 100px;
}

/* Body scroll lock when modals are open */
body.modal-open {
  overflow: hidden;
}

/* ---------- Reduce-motion respect for new components ---------- */
@media (prefers-reduced-motion: reduce) {
  .cmdk-backdrop, .cmdk-panel, .lightbox-img, .toast { animation: none !important; }
  .back-to-top, .cmdk-hint, .mobile-cta { transition: opacity 0.2s ease !important; }
}

/* ==========================================================================
   v5 OVERRIDES — tone down hero visuals, fix micro-details
   (Post-review audit — Agent 4 visual/design)
   ========================================================================== */

/* --- Hero: less chrome, more focus --- */
.hero::before { display: none !important; }       /* kill aurora blob */
.orb-3, .orb-4 { display: none !important; }      /* cut 2 of 4 orbs */
.ecg-canvas { opacity: 0.45 !important; }          /* softer ECG presence */
.grain-overlay { opacity: 0.022 !important; }     /* barely-there grain */

/* --- Hero title: cleaner, no gradient-shadow drama --- */
.hero-title {
  letter-spacing: -0.04em;                         /* was -0.055em, tightened "zi" */
}
.title-line.accent {
  background: none;
  filter: none;
  -webkit-text-fill-color: #6fb0ff;
  color: #6fb0ff;
}

/* --- Portrait frame: remove chrome that undermines a proper headshot --- */
.photo-frame::before { display: none !important; } /* kill pulse-ring */
.photo-frame { box-shadow: none !important; }     /* kill heavy shadow */
.photo-frame::after { background: none !important; } /* kill overlay gradient */
.photo-frame img {
  object-fit: cover !important;
  object-position: center 28% !important; /* bias slightly toward face, not torso */
}
.photo-frame:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 50px -20px rgba(0,0,0,0.5) !important;
}

/* --- Nav active state: thicker, no glow (cleaner) --- */
.nav-links a::after { height: 2px; }
.nav-links a.is-active::after {
  box-shadow: none;
  background: var(--accent);
}

/* ==========================================================================
   v9 ADDITIONS — Toolbox (coming soon) + Personal landing + italic accents
   ========================================================================== */

/* ---------- Toolbox: coming-soon page ---------- */
.coming-soon {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 32px 80px;
  position: relative;
}
.coming-soon::before {
  content: "";
  position: absolute;
  top: 30%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(255, 180, 30, 0.18) 0%, transparent 65%);
  filter: blur(40px);
  z-index: 0;
  pointer-events: none;
  animation: aurora 14s ease-in-out infinite;
}
.coming-soon-inner {
  position: relative;
  z-index: 1;
  max-width: 620px;
  text-align: center;
}
.coming-soon-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border: 1px solid rgba(255, 180, 30, 0.35);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #ffc847;
  letter-spacing: 0.04em;
  background: rgba(255, 180, 30, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  margin: 0 0 28px;
}
.coming-soon-spinner {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 180, 30, 0.3);
  border-top-color: #ffc847;
  animation: cs-spin 1s linear infinite;
}
@keyframes cs-spin { to { transform: rotate(360deg); } }
.coming-soon-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 10vw, 7rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
  margin: 0 0 16px;
  background: linear-gradient(135deg, #ffc847 0%, #ff9e47 50%, #f5f5f7 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.coming-soon-tagline {
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  color: var(--text);
  margin: 0 0 22px;
  font-weight: 500;
}
.coming-soon-tagline em {
  color: #ffc847;
  font-style: italic;
}
.coming-soon-body {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin: 0 0 36px;
}
.coming-soon-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Personal landing page ---------- */
.personal-hero::before {
  display: none !important;
}
.personal-hero .hero-inner {
  will-change: auto;
  transition: none;
}
.personal-hero-title {
  font-size: clamp(3.5rem, 11vw, 9rem);
}
.personal-hero-title em {
  font-style: italic;
  background: linear-gradient(135deg, #ff9ec4 0%, #c79eff 50%, #9ed9ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  font-weight: 700;
}
.personal-hero .hero-eyebrow em {
  color: #c79eff;
  font-style: italic;
  font-weight: 500;
}
.personal-hero .hero-subtitle em {
  color: var(--text);
  font-style: italic;
  border-bottom: none;
  padding-bottom: 0;
}
.personal-section-title {
  font-style: italic;
}
.personal-section-title em {
  font-style: italic;
  background: linear-gradient(135deg, #ff9ec4 0%, #c79eff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- Future-sections placeholder card on personal page ---------- */
.personal-future {
  padding-top: 40px;
  padding-bottom: 120px;
}
.personal-future-card {
  max-width: 680px;
  margin: 0 auto;
  padding: 40px 44px;
  text-align: center;
  background:
    radial-gradient(500px 200px at 50% 0%, rgba(199, 158, 255, 0.10), transparent 60%),
    linear-gradient(180deg, rgba(199, 158, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--border);
  border-radius: 24px;
}
.personal-future-kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #c79eff;
  margin-bottom: 14px;
}
.personal-future-kicker em { font-style: italic; }
.personal-future-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--text);
}
.personal-future-body {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin: 0;
  font-style: italic;
}

/* ---------- Empty caption handling: show reserved space with dim placeholder ---------- */
.photo-card-body {
  min-height: 72px;
}
.photo-location[data-empty="true"] .photo-location-text,
.photo-date[data-empty="true"] {
  color: var(--text-dim2);
  opacity: 0.4;
  font-style: italic;
}
.photo-location[data-empty="true"] svg {
  opacity: 0.35;
}
.photo-caption[data-empty="true"] {
  min-height: 1.4em;
  color: var(--text-dim2);
  opacity: 0.0;
}

/* ---------- Nav: 11 items now, tighter packing on desktop ---------- */
@media (max-width: 1220px) and (min-width: 961px) {
  .nav-links { gap: 20px; }
  .nav-links a { font-size: 0.85rem; }
  .nav-available { font-size: 0.74rem !important; padding: 4px 9px; }
}

/* ---------- Responsive tweaks for new pages ---------- */
@media (max-width: 640px) {
  .coming-soon { padding: 100px 18px 60px; }
  .coming-soon-title { font-size: clamp(2.6rem, 14vw, 4rem); }
  .coming-soon-body { font-size: 0.95rem; }
  .coming-soon-ctas .btn { width: 100%; justify-content: center; }
  .personal-future-card { padding: 24px 22px; border-radius: 18px; }
  .personal-future-title { font-size: 1.2rem; }
  .personal-hero-title { font-size: clamp(2.8rem, 15vw, 4.5rem); }
}

/* --- Section numbers: differentiate by weight, not just color --- */
.section-num {
  font-weight: 600;
  opacity: 0.85;
}

/* --- Plain-english callout: tag is now an <h3>, reset default margins --- */
h3.plain-english-tag {
  margin: 0 0 8px;
  font-size: 0.7rem;
  line-height: 1;
  font-weight: 500;
}

/* --- Open to Work: avail-label is now <h2> for a11y; reset browser h2 defaults
       so it visually matches the original <div> exactly --- */
h2.avail-label {
  margin: 0;
  padding: 0;
  font: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  color: inherit;
}

/* ==========================================================================
   v6 ADDITIONS — Interactive oscillometric BP widget
   ========================================================================== */

.section-try {
  max-width: 1180px;
}
.try-header {
  max-width: 820px;
  margin: 0 auto 44px;
  text-align: center;
}
.try-kicker {
  display: inline-block;
  padding: 7px 16px;
  border: 1px solid var(--border-2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 22px;
  background: var(--accent-glow-soft);
}
.try-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.2vw, 3.2rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.1;
  margin: 0 0 20px;
}
.try-title em {
  font-style: normal;
  background: linear-gradient(135deg, #64b5ff 0%, #0a84ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.try-lede {
  font-size: 1.05rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin: 0 auto;
  max-width: 680px;
}
.try-lede strong { color: var(--text); font-weight: 600; }

.try-widget {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  padding: 28px;
  background: linear-gradient(180deg, rgba(10, 132, 255, 0.04), rgba(10, 10, 12, 0.4));
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.5);
}
.try-stage {
  position: relative;
  grid-column: 1;
  aspect-ratio: 16 / 9;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
#bp-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.try-readouts {
  position: absolute;
  top: 14px; left: 14px; right: 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  pointer-events: none;
  z-index: 2;
}
.readout {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.72);
  border: 1px solid var(--border-2);
  border-radius: 10px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  min-width: 0;
}
.readout-lbl {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim2);
}
.readout-val {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.readout-unit {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}
.readout-cuff .readout-val { color: #ff6b8a; }
.readout-amp .readout-val { color: var(--accent); }
.readout-ptm .readout-val { color: #ff9eb0; }
.readout-vol .readout-val { color: #64b5ff; }
.readout-vol-dc .readout-val { color: #64b5ff; }
.readout-vol-ac .readout-val { color: #ff9e6e; }
.readout-unit sub { font-size: 0.7em; }
.readout-region { font-size: 0.85rem; font-weight: 600; }

/* Controls panel */
.try-controls {
  grid-column: 1;
  padding: 20px 22px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.try-slider-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 18px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}
.try-slider-hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim2);
  font-weight: 400;
  letter-spacing: 0.02em;
}
.try-slider-wrap {
  position: relative;
  padding: 26px 0 30px;
}
/* Labels sitting above and below slider ticks */
.try-slider-tick {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  width: 2px;
  height: 10px;
  background: var(--border-2);
  pointer-events: none;
}
.try-slider-tick > span {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim2);
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.try-slider-tick-systolic { background: rgba(52, 199, 89, 0.9); }
.try-slider-tick-map { background: rgba(10, 132, 255, 1); }
.try-slider-tick-diastolic { background: rgba(255, 55, 95, 0.9); }
.try-slider-tick-systolic > span { color: #34c759; }
.try-slider-tick-map > span { color: var(--accent); }
.try-slider-tick-diastolic > span { color: #ff6b8a; }

/* Native range input, heavily styled */
input[type="range"]#bp-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: linear-gradient(
    90deg,
    rgba(255, 55, 95, 0.6) 0%,
    rgba(255, 55, 95, 0.6) 40%,
    rgba(10, 132, 255, 0.9) 47.5%,
    rgba(52, 199, 89, 0.6) 60%,
    rgba(255, 255, 255, 0.1) 100%
  );
  border-radius: 100px;
  outline: none;
  cursor: grab;
  position: relative;
  z-index: 1;
}
input[type="range"]#bp-slider:active { cursor: grabbing; }
input[type="range"]#bp-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--accent);
  box-shadow: 0 4px 14px rgba(10, 132, 255, 0.5), 0 0 0 6px rgba(10, 132, 255, 0.1);
  cursor: grab;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
input[type="range"]#bp-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--accent);
  box-shadow: 0 4px 14px rgba(10, 132, 255, 0.5), 0 0 0 6px rgba(10, 132, 255, 0.1);
  cursor: grab;
  transition: transform 0.2s var(--ease);
}
input[type="range"]#bp-slider:hover::-webkit-slider-thumb { transform: scale(1.12); }
input[type="range"]#bp-slider:active::-webkit-slider-thumb { transform: scale(1.05); cursor: grabbing; }
input[type="range"]#bp-slider:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 4px 14px rgba(10, 132, 255, 0.5), 0 0 0 6px rgba(10, 132, 255, 0.25);
}

.try-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
#bp-autoplay.is-playing {
  background: var(--accent-glow-soft);
  border-color: var(--accent);
  color: var(--accent);
}
.try-legend {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.try-legend-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}
.try-legend-sbp { color: #34c759; }
.try-legend-map { color: var(--accent); }
.try-legend-dbp { color: #ff6b8a; }

/* Explainer panel */
.try-explainer {
  grid-column: 2;
  grid-row: 1 / span 2;
  padding: 22px 24px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: 16px;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.try-explainer h3 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 4px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.try-explainer p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.55;
}
.try-explainer strong { color: var(--text); font-weight: 600; }
.try-explainer-foot {
  font-size: 0.85rem !important;
  color: var(--text-dim2) !important;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  margin-top: auto !important;
}
.try-explainer-foot a {
  color: var(--accent);
  border-bottom: 1px dashed var(--accent);
  transition: all 0.2s;
}
.try-explainer-foot a:hover {
  color: #3ae1ff;
  border-bottom-style: solid;
}

/* Mobile: stack everything, drop explainer to below controls */
@media (max-width: 960px) {
  .try-widget {
    grid-template-columns: 1fr;
    padding: 18px;
    gap: 16px;
  }
  .try-stage, .try-controls, .try-explainer {
    grid-column: 1;
    grid-row: auto;
  }
  .try-readouts {
    position: static;
    margin-bottom: 8px;
  }
  .try-stage {
    aspect-ratio: 4 / 3;
    padding-top: 10px;
  }
  .readout { flex: 1 1 30%; min-width: 0; }
  .readout-val { font-size: 1rem; }
  .readout-region { font-size: 0.78rem; }
  .try-controls { padding: 16px; }
  .try-slider-wrap { padding: 22px 0 24px; }
  .try-actions { flex-direction: column; align-items: stretch; gap: 12px; }
  .try-legend { justify-content: center; }
}
@media (max-width: 480px) {
  .try-slider-tick > span { font-size: 0.58rem; }
  /* Drop non-critical labels on very small screens to avoid overlap */
  .try-slider-tick:not(.try-slider-tick-systolic):not(.try-slider-tick-map):not(.try-slider-tick-diastolic) > span {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  #bp-canvas { /* static rendering handled in JS */ }
}

/* ==========================================================================
   v7 MOBILE PASS — Comprehensive responsive + iOS/Android fixes
   ========================================================================== */

/* --- iOS Safari: prevent automatic font inflation on rotation --- */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* --- Safe area insets (iPhone notch, home indicator) --- */
@supports (padding: env(safe-area-inset-bottom)) {
  .mobile-cta {
    bottom: max(12px, env(safe-area-inset-bottom));
  }
  .back-to-top {
    bottom: max(28px, calc(env(safe-area-inset-bottom) + 16px));
  }
  .footer {
    padding-bottom: max(40px, env(safe-area-inset-bottom));
  }
}
@media (max-width: 720px) {
  @supports (padding: env(safe-area-inset-bottom)) {
    .footer { padding-bottom: max(100px, calc(env(safe-area-inset-bottom) + 80px)); }
    .back-to-top { bottom: max(84px, calc(env(safe-area-inset-bottom) + 76px)); }
  }
}

/* --- Tablet / small laptop (641–960px): already handled, add polish --- */
@media (max-width: 960px) and (min-width: 641px) {
  .hero-title { font-size: clamp(3.4rem, 10vw, 7rem); }
  .section-title { font-size: clamp(2rem, 5vw, 3.2rem); }
}

/* --- Phone-sized (≤ 640px) — this is where most issues live --- */
@media (max-width: 640px) {

  /* Hero: trim excess, fit everything --- */
  .hero {
    padding: 96px 18px 48px;
    min-height: calc(100vh - 20px);
  }
  .hero-title {
    font-size: clamp(2.8rem, 16vw, 4.5rem);
    line-height: 0.92;
    letter-spacing: -0.035em;
    margin: 0 0 22px;
  }
  .hero-eyebrow {
    font-size: 0.7rem;
    padding: 6px 12px;
    margin-bottom: 22px;
    max-width: 92vw;
    text-align: center;
  }
  .hero-subtitle {
    font-size: 0.98rem;
    line-height: 1.5;
    margin-bottom: 28px;
  }
  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-bottom: 36px;
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-ctas .btn { justify-content: center; padding: 14px 20px; }
  .hero-meta {
    padding: 14px 18px;
    gap: 10px;
    max-width: 92vw;
  }
  .meta-item strong { font-size: 0.88rem; }
  .meta-item span { font-size: 0.66rem; }

  /* Nav: tighten hamburger menu padding on small phones */
  .nav { padding: 12px 16px; }
  .nav.scrolled { padding: 8px 16px; }
  .nav-links {
    padding: 90px 28px 40px;
    gap: 22px;
    width: min(88vw, 320px);
  }
  .nav-links a { font-size: 1.05rem; padding: 4px 0; }

  /* Sections: reduce outer padding */
  .section { padding: 60px 18px; }
  .section-header { margin-bottom: 32px; gap: 12px; flex-wrap: wrap; }
  .section-title { font-size: clamp(1.8rem, 7vw, 2.6rem); }

  /* About: tighter spacing + smaller photo on phone */
  .about-photo { max-width: 200px; margin: 0 auto 24px; }
  .photo-caption { font-size: 0.72rem; }
  .lede { font-size: 1.15rem; line-height: 1.35; margin-bottom: 20px; }
  .about-text { font-size: 0.98rem; }
  .highlights { gap: 12px; margin-top: 32px; padding-top: 24px; }
  .highlight { padding: 16px; }
  .highlight-num { font-size: 1.8rem; }
  .highlight-label { font-size: 0.84rem; }

  /* Research cards */
  .cards { gap: 16px; }
  .card { padding: 28px 22px; }
  .card h3 { font-size: 1.15rem; }

  /* Research vision: make the giant quote mark smaller */
  .research-vision { padding: 22px 18px; }
  .research-vision::before { font-size: 4rem; top: -4px; left: 8px; }
  .vision-title { font-size: 1.15rem; line-height: 1.25; }
  .vision-body { font-size: 0.94rem; }

  /* Vitals strip: shrink canvas, stack cleanly */
  .vitals { padding: 16px; }
  .vitals-inner { gap: 14px; }
  .vitals-legend { gap: 20px; }
  .vital-name { font-size: 0.92rem; }
  .vital-desc { font-size: 0.68rem; }
  .vitals-canvas-wrap { height: 140px; border-radius: 12px; }

  /* Signal Journey: labels stack vertically, shrink canvas */
  .journey-canvas-wrap {
    height: 240px;
    border-radius: 16px;
    margin-top: 32px;
  }
  .journey-labels {
    padding: 10px 12px;
    flex-direction: column;
    gap: 8px;
    height: 100%;
    justify-content: space-between;
  }
  .journey-label {
    max-width: 100%;
    padding: 8px 10px;
    font-size: 0.82rem;
  }
  .journey-tag { font-size: 0.64rem; }
  .journey-name { font-size: 0.88rem; }
  .journey-desc { font-size: 0.72rem; }
  .journey-title { font-size: clamp(1.8rem, 7vw, 2.6rem); }
  .journey-lede { font-size: 0.95rem; }

  /* Featured project + gallery */
  .project-featured { padding: 22px 18px; gap: 20px; border-radius: 20px; }
  .project-title { font-size: 1.7rem; }
  .project-tagline { font-size: 1rem; }
  .project-gallery { aspect-ratio: 4 / 3; }
  .project-gallery-slide { padding: 14px; }
  .project-gallery-caption {
    font-size: 0.66rem;
    bottom: 42px;
    max-width: calc(100% - 24px);
    white-space: normal;
    text-align: center;
    line-height: 1.3;
  }
  .gallery-dot { width: 14px; height: 14px; } /* WCAG tap target */
  .gallery-dot.is-active { width: 32px; }

  /* Publications */
  .pub-item { padding: 20px 18px; gap: 16px; flex-direction: column; }
  .pub-marker { width: 36px; height: 36px; font-size: 1rem; }
  .pub-title { font-size: 1rem; line-height: 1.35; }
  .pub-venue { font-size: 0.84rem; }
  .pub-findings { font-size: 0.82rem; }
  .pub-figure-row { flex-direction: column; }
  .pub-figure { min-width: 0; max-width: 100%; aspect-ratio: 16 / 10; }

  /* Conference list */
  .conf-list li { padding: 12px 0; }
  .conf-date { font-size: 0.7rem; }
  .conf-list strong { font-size: 0.92rem; }
  .conf-venue { font-size: 0.78rem; }

  /* Timeline: much cleaner on phone */
  .timeline::before { left: 14px; }
  .tl-item {
    grid-template-columns: 1fr;
    padding-left: 36px;
    padding-top: 14px;
    padding-bottom: 14px;
  }
  .tl-marker { left: 7px; top: 18px; width: 14px; height: 14px; }
  .tl-date { font-size: 0.72rem; margin-bottom: 4px; }
  .tl-card { padding: 14px 16px; }
  .tl-title { font-size: 1rem; }
  .tl-org { font-size: 0.86rem; }
  .tl-note { font-size: 0.82rem; }

  /* Skills */
  .skills-block { margin-top: 36px; }
  .skill-group { padding: 14px; }
  .skill-tags span { font-size: 0.7rem; padding: 4px 9px; }

  /* Open to Work card */
  .avail-card { padding: 22px 18px; border-radius: 18px; }
  .avail-label { font-size: 1.05rem; }
  .avail-sub { font-size: 0.72rem; }
  .avail-pill { padding: 7px 12px; min-width: 0; flex: 1 1 auto; }
  .avail-kicker { font-size: 0.62rem; }
  .avail-when { font-size: 0.84rem; }
  .avail-col h3 { font-size: 0.78rem; }
  .avail-list li { font-size: 0.88rem; }

  /* Try-it BP widget: extra compact */
  .section-try { padding: 60px 14px; }
  .try-header { margin-bottom: 28px; }
  .try-title { font-size: clamp(1.6rem, 8vw, 2.4rem); }
  .try-lede { font-size: 0.95rem; }
  .try-widget { padding: 14px; border-radius: 18px; }
  .try-stage { aspect-ratio: 1 / 1; max-height: 340px; }
  .try-readouts { gap: 6px; margin-bottom: 6px; }
  .readout { padding: 6px 9px; flex: 1 1 30%; }
  .readout-lbl { font-size: 0.58rem; }
  .readout-val { font-size: 0.88rem; }
  .readout-unit { font-size: 0.62rem; }
  .readout-region { font-size: 0.72rem !important; }
  .try-controls { padding: 14px; }
  .try-slider-label { font-size: 0.88rem; margin-bottom: 12px; }
  .try-slider-hint { font-size: 0.66rem; }
  .try-slider-wrap { padding: 20px 0 22px; }
  .try-explainer { padding: 16px 18px; }
  .try-explainer p { font-size: 0.88rem; }

  /* FAQ */
  .faq-item summary { padding: 14px 16px; font-size: 0.94rem; }
  .faq-item p { padding: 0 16px 16px; font-size: 0.9rem; }

  /* Contact */
  .section-contact { padding-bottom: 60px; }
  .contact-pitch h3 { font-size: 1.3rem; }
  .contact-pitch p { font-size: 0.94rem; }
  .contact-icons { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .contact-icon { padding: 14px; border-radius: 16px; }
  .contact-icon svg { width: 24px; height: 24px; }
  .contact-icon .contact-tip { font-size: 0.58rem; letter-spacing: 0.08em; }

  /* Footer */
  .footer { padding: 32px 0 40px; }
  .footer-inner { padding: 0 18px; font-size: 0.8rem; }
  .footer-tag { font-size: 0.7rem; }

  /* Mobile sticky CTA: give it a bit more breathing room */
  .mobile-cta { left: 10px; right: 10px; padding: 7px; }
  .mobile-cta-btn { padding: 12px; font-size: 0.88rem; }

  /* Kill decorative desktop orbs + grain on phones (GPU savings, clarity) */
  .hero-orbs { display: none !important; }
  .marquee-track { gap: 24px; }
  .marquee-track span { font-size: 0.78rem; }
}

/* --- Very small phones (≤ 380px): iPhone SE, old Galaxies --- */
@media (max-width: 380px) {
  .hero-title { font-size: clamp(2.4rem, 15vw, 3.6rem); }
  .hero-subtitle { font-size: 0.92rem; }
  .section { padding: 50px 14px; }
  .nav-links { width: 92vw; padding: 84px 22px 32px; }
  .project-featured { padding: 18px 14px; }
  .avail-card { padding: 18px 14px; }
  .try-widget { padding: 12px; }
  .contact-icons { grid-template-columns: repeat(2, 1fr); }
}

/* --- iOS touch: remove tap highlight, smooth scrolling on momentum --- */
@media (hover: none) and (pointer: coarse) {
  a, button, [role="button"] {
    -webkit-tap-highlight-color: rgba(10, 132, 255, 0.15);
  }
  body {
    -webkit-overflow-scrolling: touch;
  }
  /* Tap targets: ensure 44px min on critical interactions */
  .nav-links a,
  .contact-icon,
  .btn,
  .mobile-cta-btn,
  .gallery-dot,
  .faq-item summary,
  input[type="range"] {
    min-height: 44px;
  }
  /* Kill hover-only effects that fire on tap and never reset */
  .card:hover, .project-card:hover, .highlight:hover, .pub-item:hover,
  .contact-icon:hover, .faq-item:hover {
    transform: none;
  }
  /* Disable parallax/tilt on touch — feels wrong */
  .project-featured.tilt { transform: none !important; }
}

/* --- Landscape phones: reduce vertical hero so content is visible --- */
@media (max-height: 500px) and (orientation: landscape) {
  .hero { min-height: auto; padding: 80px 20px 40px; }
  .hero-title { font-size: 2.6rem; }
  .hero-meta { display: none; }
  .scroll-indicator { display: none; }
}

/* --- Nav 'Try it' pill styling --- */
.nav-try {
  color: var(--accent) !important;
  font-weight: 600;
}
.nav-try::after { background: var(--accent) !important; }

/* ==========================================================================
   v8 ADDITIONS — Photos page (masonry grid, placeholder tiles)
   ========================================================================== */

/* ---------- Photos page header ---------- */
.photos-header {
  max-width: var(--container);
  margin: 0 auto;
  padding: 160px 40px 60px;
  text-align: center;
  position: relative;
}
.photos-header-inner { max-width: 720px; margin: 0 auto; }
.photos-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border: 1px solid var(--border-2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
  background: rgba(13, 19, 31, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  margin: 0 0 28px;
}
.photos-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 9vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
  margin: 0 0 24px;
  background: linear-gradient(135deg, #f5f5f7 0%, #a1a1a6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.photos-subtitle {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--text-dim);
  margin: 0;
  line-height: 1.55;
}

/* ---------- Photos section + masonry grid ---------- */
.photos-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 40px 100px;
}
.photos-group + .photos-group {
  margin-top: 54px;
}
.photos-group-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
}
.photos-group-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.8vw, 2rem);
  letter-spacing: -0.02em;
}
.photos-group-subtitle {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.92rem;
  max-width: 560px;
}
.photos-masonry {
  column-count: 3;
  column-gap: 20px;
}
@media (max-width: 960px) { .photos-masonry { column-count: 2; } }
@media (max-width: 540px) { .photos-masonry { column-count: 1; } }

/* ---------- Photo card ---------- */
.photo-card {
  break-inside: avoid;
  margin: 0 0 20px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
  display: flex;
  flex-direction: column;
}
.photo-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-2);
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6), 0 0 30px -12px var(--accent-glow);
}

/* Real photo element (once the user swaps in <img>) */
.photo-card img {
  width: 100%;
  height: auto;
  display: block;
  cursor: zoom-in;
  background: var(--bg-3);
  transition: transform 0.6s var(--ease);
}
.photo-card:hover img { transform: scale(1.015); }

/* Placeholder tile (shown before real photos are added) */
.photo-tile {
  width: 100%;
  aspect-ratio: var(--_aspect, 4/3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim2);
  background:
    linear-gradient(135deg, rgba(10, 132, 255, 0.14) 0%, transparent 45%, rgba(255, 55, 95, 0.08) 100%),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.02) 0, rgba(255,255,255,0.02) 10px, transparent 10px, transparent 20px);
  border-bottom: 1px solid var(--border);
  position: relative;
}
.photo-tile[data-aspect="4/3"]   { --_aspect: 4/3; }
.photo-tile[data-aspect="3/4"]   { --_aspect: 3/4; }
.photo-tile[data-aspect="1/1"]   { --_aspect: 1/1; }
.photo-tile[data-aspect="16/10"] { --_aspect: 16/10; }
.photo-tile[data-aspect="16/9"]  { --_aspect: 16/9; }
.photo-tile[data-aspect="3/2"]   { --_aspect: 3/2; }
.photo-tile::before {
  content: "";
  position: absolute;
  width: 28px; height: 28px;
  border: 1.5px solid var(--text-dim2);
  border-radius: 6px;
  top: calc(50% - 26px);
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.5;
}
.photo-tile::after {
  content: "";
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 1.5px solid var(--text-dim2);
  top: calc(50% - 22px);
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.5;
}

/* ---------- Card body: location, date, caption ---------- */
.photo-card-body {
  padding: 14px 18px 18px;
}
.photo-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.photo-location {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent);
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.photo-location svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}
.photo-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim2);
  letter-spacing: 0.04em;
}
.photo-caption {
  font-size: 0.94rem;
  color: var(--text-dim);
  line-height: 1.55;
  margin: 0;
}

/* ---------- Subtle hint line below the grid ---------- */
.photos-hint {
  max-width: 620px;
  margin: 60px auto 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-dim2);
  letter-spacing: 0.02em;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .photos-header { padding: 120px 18px 40px; }
  .photos-title { font-size: clamp(2.6rem, 14vw, 4rem); }
  .photos-subtitle { font-size: 0.98rem; }
  .photos-section { padding: 20px 18px 60px; }
  .photos-group + .photos-group { margin-top: 36px; }
  .photos-group-head { margin-bottom: 14px; }
  .photos-group-subtitle { font-size: 0.86rem; }
  .photos-masonry { column-gap: 14px; }
  .photo-card { margin-bottom: 14px; border-radius: 14px; }
  .photo-card-body { padding: 12px 14px 14px; }
  .photo-caption { font-size: 0.88rem; }
}

/* Photos nav link — active state on photos.html */
.nav-links a.is-active { color: var(--text); }
.nav-links a.is-active::after {
  width: 100%;
  background: var(--accent);
}