/* =========================================================
   GLASS LAYER — glossy glass on black (dark) / milk (light)
   Sits on top of styles.css. To revert to the original look,
   delete the marked glass.css / glass.js lines in index.html.
   ========================================================= */

:root {
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* page — near-black with a faint lift at the top */
  --bg: #060607;
  --bg-secondary: #101012;
  --page-bg:
    radial-gradient(1100px 700px at 50% -12%, #1c1c1f 0%, transparent 60%),
    radial-gradient(900px 600px at 100% 100%, #121214 0%, transparent 60%),
    #060607;
  --text: #f4f3f1;
  --text-secondary: rgba(244, 243, 241, 0.74);
  --text-muted: rgba(244, 243, 241, 0.50);
  --text-faint: rgba(244, 243, 241, 0.32);
  --accent: #f4f3f1;
  --accent-strong: #ffffff;
  --accent-soft: rgba(255, 255, 255, 0.08);
  --accent-glow: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  /* dot field (read by script.js) */
  --dot-rgb: 255, 255, 255;
  --dot-alpha: 0.11;
  --dot-hot: 0.85;

  /* glass */
  --glass-top: rgba(255, 255, 255, 0.065);
  --glass-bot: rgba(255, 255, 255, 0.015);
  --glass-top-hover: rgba(255, 255, 255, 0.095);
  --glass-solid: rgba(18, 18, 20, 0.72);
  --glass-border: rgba(255, 255, 255, 0.09);
  --glass-rim-a: rgba(255, 255, 255, 0.42);
  --glass-rim-b: rgba(255, 255, 255, 0.03);
  --glass-rim-c: rgba(255, 255, 255, 0.14);
  --glass-hi: rgba(255, 255, 255, 0.12);
  --glass-lo: rgba(0, 0, 0, 0.5);
  --glass-spec: rgba(255, 255, 255, 0.09);
  --glass-drop: 0 20px 60px rgba(0, 0, 0, 0.55);
  --glass-drop-hover: 0 30px 80px rgba(0, 0, 0, 0.7);
  --glass-pop: 0 40px 90px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.06), 0 0 50px rgba(255, 255, 255, 0.05);
  --glass-blur: 22px;
  --glass-sat: 140%;

  /* glossy orbs (icons, letters, socials) */
  --orb: radial-gradient(circle at 32% 26%, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0.10) 42%, rgba(255, 255, 255, 0.03) 75%);
  --orb-border: rgba(255, 255, 255, 0.18);
  --orb-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.35), inset 0 -4px 10px rgba(0, 0, 0, 0.55), 0 8px 20px rgba(0, 0, 0, 0.5);
  --disc: rgba(255, 255, 255, 0.045);

  /* pills + buttons */
  --pill-bg: rgba(255, 255, 255, 0.05);
  --btn-bg: rgba(255, 255, 255, 0.06);
  --btn-bg-hover: rgba(255, 255, 255, 0.11);
  --btn-primary-bg: linear-gradient(180deg, #ffffff 0%, #e9e7e3 55%, #cfccc6 100%);
  --btn-primary-fg: #0a0a0b;
  --btn-primary-border: rgba(255, 255, 255, 0.9);
  --btn-primary-shadow: inset 0 1px 0 #fff, inset 0 -3px 8px rgba(0, 0, 0, 0.18), 0 10px 30px rgba(255, 255, 255, 0.10);

  --name-grad: linear-gradient(180deg, #ffffff 10%, #a9a7a3 95%);

  --radius: 24px;
  --radius-lg: 32px;
  --radius-sm: 999px;
}

[data-theme="light"] {
  /* page — warm milk */
  --bg: #f5efe4;
  --bg-secondary: #fbf8f2;
  --page-bg:
    radial-gradient(1100px 700px at 50% -12%, #fffdf9 0%, transparent 60%),
    radial-gradient(900px 600px at 100% 100%, #ece2d0 0%, transparent 60%),
    #f5efe4;
  --text: #1d1a16;
  --text-secondary: rgba(29, 26, 22, 0.74);
  --text-muted: rgba(29, 26, 22, 0.52);
  --text-faint: rgba(29, 26, 22, 0.34);
  --accent: #1d1a16;
  --accent-strong: #000000;
  --accent-soft: rgba(60, 44, 24, 0.06);
  --accent-glow: rgba(255, 255, 255, 0.7);
  --border: rgba(60, 44, 24, 0.10);
  --border-strong: rgba(60, 44, 24, 0.18);

  --dot-rgb: 92, 70, 42;
  --dot-alpha: 0.17;
  --dot-hot: 0.75;

  --glass-top: rgba(255, 255, 255, 0.70);
  --glass-bot: rgba(255, 252, 246, 0.38);
  --glass-top-hover: rgba(255, 255, 255, 0.86);
  --glass-solid: rgba(253, 250, 244, 0.86);
  --glass-border: rgba(255, 255, 255, 0.92);
  --glass-rim-a: #ffffff;
  --glass-rim-b: rgba(255, 255, 255, 0.3);
  --glass-rim-c: rgba(255, 255, 255, 0.85);
  --glass-hi: #ffffff;
  --glass-lo: rgba(60, 44, 24, 0.06);
  --glass-spec: rgba(255, 255, 255, 0.8);
  --glass-drop: 0 14px 40px rgba(90, 64, 30, 0.10), 0 2px 6px rgba(90, 64, 30, 0.05);
  --glass-drop-hover: 0 26px 60px rgba(90, 64, 30, 0.16), 0 4px 10px rgba(90, 64, 30, 0.06);
  --glass-pop: 0 36px 70px rgba(90, 64, 30, 0.22), 0 8px 18px rgba(90, 64, 30, 0.10);

  --orb: radial-gradient(circle at 32% 26%, #ffffff, #fdfaf4 40%, #eadfcb 88%);
  --orb-border: #ffffff;
  --orb-shadow: inset 0 1px 1px #fff, inset 0 -4px 10px rgba(120, 90, 50, 0.14), 0 8px 18px rgba(90, 64, 30, 0.14);
  --disc: rgba(255, 255, 255, 0.6);

  --pill-bg: rgba(255, 255, 255, 0.65);
  --btn-bg: rgba(255, 255, 255, 0.6);
  --btn-bg-hover: rgba(255, 255, 255, 0.9);
  --btn-primary-bg: linear-gradient(180deg, #3a342c 0%, #1d1a16 60%, #0e0c0a 100%);
  --btn-primary-fg: #fbf8f2;
  --btn-primary-border: rgba(29, 26, 22, 0.9);
  --btn-primary-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), inset 0 -3px 8px rgba(0, 0, 0, 0.3), 0 12px 28px rgba(40, 28, 12, 0.25);

  --name-grad: linear-gradient(180deg, #2b2620 10%, #6e6457 95%);
}

/* ---------- Base ---------- */
html { background: var(--bg); }
body { background: var(--page-bg); background-attachment: fixed; transition: color 0.3s ease; }
::selection { background: var(--text); color: var(--bg); }
:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; border-radius: 8px; }

/* Theme switch: let the circle reveal do the work */
::view-transition-old(root),
::view-transition-new(root) { animation: none; mix-blend-mode: normal; }

/* ---------- Background ---------- */
.bg-grid { display: none; }
.bg-glow {
  filter: blur(4px);
  opacity: 1;
  border-radius: 50%;
  will-change: transform;
}
.bg-glow-1 {
  width: 640px; height: 640px;
  top: -220px; right: -180px; left: auto;
  background: radial-gradient(circle at 40% 40%, var(--disc), transparent 70%);
  animation: float1 30s ease-in-out infinite alternate;
}
.bg-glow-2 {
  width: 780px; height: 780px;
  bottom: -340px; left: -260px; right: auto;
  background: radial-gradient(circle at 60% 40%, var(--disc), transparent 70%);
  animation: float2 38s ease-in-out infinite alternate;
}
@keyframes float1 { to { transform: translate(-12vw, 18vh) scale(1.08); } }
@keyframes float2 { to { transform: translate(14vw, -14vh) scale(0.94); } }

/* Vignette so dots fade toward the edges */
.bg-layer::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 85% 75% at 50% 45%, transparent 55%, var(--bg) 100%);
  pointer-events: none;
}

.cursor-glow {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 65%);
  opacity: 1;
  mix-blend-mode: normal;
}
[data-theme="light"] .cursor-glow {
  background: radial-gradient(circle, rgba(255, 255, 255, 0.75) 0%, transparent 60%);
  opacity: 1;
  mix-blend-mode: normal;
}

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 200;
  pointer-events: none;
}
.scroll-progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--text));
  transform-origin: 0 50%;
  transform: scaleX(0);
}

/* ---------- Header: floating glass pill ---------- */
.site-header,
.site-header.scrolled {
  top: 14px;
  left: 50%;
  right: auto;
  width: min(1180px, calc(100% - 28px));
  transform: translateX(-50%);
  padding: 8px 8px 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: linear-gradient(180deg, var(--glass-top), var(--glass-bot)), var(--glass-solid);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--glass-drop);
}
.site-header.header-hidden { transform: translate(-50%, calc(-100% - 24px)); }

.brand-mark { font-family: var(--font-display); letter-spacing: -0.02em; }
.site-nav { position: relative; }
.site-nav ul { position: relative; z-index: 1; }
.site-nav a {
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 13.5px;
  color: var(--text-muted);
  transition: color 0.25s ease;
}
.site-nav a:hover { background: transparent; color: var(--text); }
.site-nav a.is-active { color: var(--text); }
.nav-glider {
  position: absolute;
  left: 0; top: 0;
  height: 0; width: 0;
  border-radius: 999px;
  background: var(--pill-bg);
  border: 1px solid var(--glass-border);
  box-shadow: inset 0 1px 0 var(--glass-hi);
  opacity: 0;
  transition: transform 0.5s var(--ease-out), width 0.5s var(--ease-out), opacity 0.3s ease;
  pointer-events: none;
}

.theme-popover {
  border-radius: 20px;
  background: linear-gradient(160deg, var(--glass-top-hover), var(--glass-bot)), var(--glass-solid);
  backdrop-filter: blur(30px) saturate(150%);
  -webkit-backdrop-filter: blur(30px) saturate(150%);
  border-color: var(--glass-border);
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--glass-drop-hover);
}
.theme-popover-label { font-family: var(--font-display); }
.theme-mode-btn { border-radius: 12px; font-family: var(--font-display); }
.theme-mode-btn:hover { background: var(--pill-bg); }
.theme-mode-btn.active { background: var(--pill-bg); box-shadow: inset 0 0 0 1px var(--glass-border); }

@media (max-width: 720px) {
  .site-header, .site-header.scrolled { top: 10px; width: calc(100% - 20px); }
  .site-nav ul {
    top: 60px;
    right: 0;
    border-radius: 22px;
    background: linear-gradient(160deg, var(--glass-top-hover), var(--glass-bot)), var(--glass-solid);
    backdrop-filter: blur(30px) saturate(150%);
    -webkit-backdrop-filter: blur(30px) saturate(150%);
    border-color: var(--glass-border);
    box-shadow: inset 0 1px 0 var(--glass-hi), var(--glass-drop-hover);
  }
  .nav-glider { display: none; }
}

/* ---------- Glossy orbs ---------- */
.feature-num,
.proof-icon,
.brand-mark,
.hero-socials a,
.theme-toggle,
.to-top {
  border-radius: 50%;
  background: var(--orb);
  border: 1px solid var(--orb-border);
  color: var(--text);
  box-shadow: var(--orb-shadow);
}
.feature-num { width: 30px; height: 30px; font-family: var(--font-display); }
.proof-icon { width: 42px; height: 42px; }
.brand-mark { width: 32px; height: 32px; }
.theme-toggle { width: 36px; height: 36px; padding: 0; }
.hero-socials { gap: 12px; }
.hero-socials a { width: 42px; height: 42px; color: var(--text); }
.hero-socials a:hover,
.theme-toggle:hover,
.theme-toggle[aria-expanded="true"] {
  background: var(--orb);
  border-color: var(--orb-border);
}
.theme-toggle svg { transition: transform 0.6s var(--ease-out); }
.theme-toggle:hover svg { transform: rotate(40deg); }

/* ---------- Buttons: glossy pills, magnetic ---------- */
.btn,
.hero-socials a,
.to-top {
  transform: translate(var(--tx, 0), var(--ty, 0));
  transition: transform 0.35s var(--ease-out), background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
}
.btn {
  border-radius: 999px;
  padding: 12px 22px;
  font-family: var(--font-display);
  background: var(--btn-bg);
  color: var(--text);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--glass-border);
  box-shadow: inset 0 1px 0 var(--glass-hi), 0 8px 22px rgba(0, 0, 0, 0.18);
}
.btn:hover {
  transform: translate(var(--tx, 0), calc(var(--ty, 0px) - 1px));
  background: var(--btn-bg-hover);
  border-color: var(--glass-rim-c);
}
.btn.primary,
[data-theme="light"] .btn.primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-fg);
  border-color: var(--btn-primary-border);
  box-shadow: var(--btn-primary-shadow);
}
.btn.primary:hover { filter: brightness(1.05); box-shadow: var(--btn-primary-shadow), 0 16px 40px rgba(0, 0, 0, 0.2); }
.btn.primary svg { transition: transform 0.3s var(--ease-out); }
.btn.primary:hover svg { transform: translateX(3px); }
.btn.ghost { background: transparent; }
/* Sheen sweep on hover */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.35) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.7s var(--ease-out);
  pointer-events: none;
}
.btn:hover::after { transform: translateX(120%); }

/* ---------- Hero ---------- */
.hero { min-height: 100svh; padding: 120px 0 90px; }
.hero-photo {
  position: relative;
  perspective: 900px;
  margin-bottom: 30px;
}
.photo-frame {
  width: 220px; height: 268px;
  transform: rotateX(var(--prx, 0)) rotateY(var(--pry, 0));
  transition: transform 0.6s var(--ease-out);
  border-radius: 30px;
  padding: 0;
}
.photo-frame-img { border-radius: inherit; }
.photo-frame::after {
  /* glossy sheen across the photo */
  content: '';
  position: absolute;
  inset: 0;
  z-index: 3;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.22) 0%, transparent 35%);
  pointer-events: none;
}
.photo-frame-corners span { border-color: rgba(255, 255, 255, 0.8); }
.photo-halo {
  position: absolute;
  inset: -40px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--disc) 0%, transparent 65%);
  filter: blur(10px);
  animation: breathe 6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes breathe { 50% { transform: scale(1.08); opacity: 0.7; } }


.hero-name {
  margin: 18px 0 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(48px, 9vw, 104px);
  line-height: 0.95;
  letter-spacing: -0.055em;
  background: var(--name-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: heroIn 1s var(--ease-out) both 0.1s;
}
.hero-line {
  margin: 10px 0 0;
  font-size: clamp(19px, 2.4vw, 25px);
  color: var(--text-secondary);
  letter-spacing: -0.01em;
  animation: heroIn 1s var(--ease-out) both 0.2s;
}
.rotator {
  display: inline-block;
  position: relative;
  vertical-align: -0.3em;
  height: 1.3em;
  line-height: 1.3em;
  overflow: hidden;
  transition: width 0.45s var(--ease-out);
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.03em;
}
.rotator-word {
  display: inline-block;
  white-space: nowrap;
  transition: transform 0.32s var(--ease-out), opacity 0.32s ease, filter 0.32s ease;
}
.rotator-word.out { transform: translateY(-100%); opacity: 0; filter: blur(4px); }
.rotator-word.in { transform: translateY(100%); opacity: 0; transition: none; }
.rotator::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0.08em;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--text-muted), transparent);
}

.hero-affiliation {
  margin: 16px 0 30px;
  font-size: 15px;
  color: var(--text-muted);
  animation: heroIn 1s var(--ease-out) both 0.3s;
}
.hero-actions { animation: heroIn 1s var(--ease-out) both 0.4s; }
.hero-socials { margin-bottom: 44px; animation: heroIn 1s var(--ease-out) both 0.5s; }
.hero-photo { animation: heroIn 1.1s var(--ease-out) both; }
@keyframes heroIn { from { opacity: 0; transform: translateY(18px); filter: blur(6px); } }

.hero-stats {
  grid-template-columns: repeat(3, 1fr);
  max-width: 480px;
  gap: 0;
  background: linear-gradient(160deg, var(--glass-top), var(--glass-bot));
  border: 1px solid var(--glass-border);
  border-radius: 22px;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--glass-drop);
  animation: heroIn 1s var(--ease-out) both 0.6s;
}
.stat {
  background: transparent;
  padding: 18px 12px;
  align-items: center;
  position: relative;
}
.stat + .stat::before {
  content: '';
  position: absolute;
  left: 0; top: 22%; bottom: 22%;
  width: 1px;
  background: var(--border-strong);
}
.stat-value { font-size: 26px; font-variant-numeric: tabular-nums; }
.stat-label { font-family: var(--font-display); font-size: 10.5px; letter-spacing: 0.12em; }


/* ---------- Section heads ---------- */
main { counter-reset: sec; }
.section .section-head { counter-increment: sec; display: flex; align-items: baseline; gap: 16px; }
.section .section-head::before {
  content: counter(sec, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-faint);
  letter-spacing: 0.06em;
}
.section .section-head::after {
  content: '';
  flex: 1;
  height: 1px;
  align-self: center;
  background: linear-gradient(90deg, var(--border-strong), transparent);
}
.section h2, .contact-title { letter-spacing: -0.045em; margin-bottom: 0; }
.section-head { max-width: none; }
.section { padding: 110px 0; }

/* ---------- Core glass surface ---------- */
.feature-card,
.research-card,
.capability,
.proof-card,
.side-block,
.contact-card,
.photo-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--radius);
  background:
    radial-gradient(480px circle at var(--mx, 25%) var(--my, -20%), var(--glass-spec), transparent 45%),
    linear-gradient(160deg, var(--glass-top), var(--glass-bot));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  border: 1px solid var(--glass-border);
  box-shadow: inset 0 1px 0 var(--glass-hi), inset 0 -1px 0 var(--glass-lo), var(--glass-drop);
}
.contact-card, .photo-frame { border-radius: var(--radius-lg); }
.photo-frame { border-radius: 30px; }

/* Refractive rim */
.feature-card::after,
.research-card::after,
.capability::after,
.proof-card::after,
.side-block::after,
.contact-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, var(--glass-rim-a), var(--glass-rim-b) 35%, var(--glass-rim-b) 65%, var(--glass-rim-c));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  pointer-events: none;
  z-index: 3;
  opacity: 0.6;
  transition: opacity 0.35s ease;
}

/* Soft glossy disc in the corner of larger cards */
.capability::before,
.research-card::before {
  content: '';
  position: absolute;
  width: 240px; height: 240px;
  top: -120px; right: -100px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, var(--disc), transparent 72%);
  pointer-events: none;
  z-index: -1;
}
.contact-card::before {
  width: 520px; height: 520px;
  top: -260px; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle at 50% 50%, var(--disc), transparent 70%);
}

/* Hover: brighten, lift, tilt (tilt vars come from glass.js) */
.section.visible .feature-card,
.section.visible .research-card,
.section.visible .capability,
.section.visible .proof-card,
.section.visible .side-block {
  transform: perspective(1100px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateY(var(--lift, 0px)) scale(var(--pop, 1));
  /* springy overshoot so hover feels like it pops up */
  transition: transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.4s ease, box-shadow 0.4s ease, background 0.35s ease;
  transition-delay: 0s;
}
.feature-card:hover,
.research-card:hover,
.capability:hover,
.proof-card:hover,
.side-block:hover {
  --lift: -10px;
  --pop: 1.025;
  z-index: 5;
  background:
    radial-gradient(480px circle at var(--mx, 25%) var(--my, -20%), var(--glass-spec), transparent 45%),
    linear-gradient(160deg, var(--glass-top-hover), var(--glass-bot));
  border-color: var(--glass-border);
  box-shadow: inset 0 1px 0 var(--glass-hi), inset 0 -1px 0 var(--glass-lo), var(--glass-pop);
}
.feature-card:active, .research-card:active, .capability:active, .proof-card:active, .side-block:active { --lift: -6px; --pop: 1.01; }
.feature-card:hover::after, .research-card:hover::after, .capability:hover::after,
.proof-card:hover::after, .side-block:hover::after { opacity: 1; }

/* Staggered entrance, done with an animation so hover stays instant */
.section.visible .feature-card,
.section.visible .research-card,
.section.visible .capability,
.section.visible .proof-card,
.section.visible .side-block,
.section.visible .experience-row,
.section.visible .education-row {
  animation: rise 0.8s var(--ease-out) backwards;
}
.section.visible > .container > * > *:nth-child(1) { animation-delay: 0.04s; }
.section.visible > .container > * > *:nth-child(2) { animation-delay: 0.10s; }
.section.visible > .container > * > *:nth-child(3) { animation-delay: 0.16s; }
.section.visible > .container > * > *:nth-child(4) { animation-delay: 0.22s; }
.section.visible > .container > * > *:nth-child(5) { animation-delay: 0.28s; }
.section.visible > .container > * > *:nth-child(6) { animation-delay: 0.34s; }
.section.visible > .container > * > *:nth-child(7) { animation-delay: 0.40s; }
@keyframes rise { from { opacity: 0; transform: translateY(26px); } }

.proof-card.highlighted {
  background:
    radial-gradient(480px circle at var(--mx, 25%) var(--my, -20%), var(--glass-spec), transparent 45%),
    linear-gradient(160deg, var(--glass-top-hover), var(--glass-bot));
  border-color: var(--glass-border);
}
.proof-card.highlighted::before { display: none; }
.proof-card.highlighted .proof-icon { color: #e3b341; }
.contact-card > * { z-index: 4; }

/* ---------- Feature cards ---------- */
.feature-media {
  margin: 12px 12px 0;
  border-radius: calc(var(--radius) - 10px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}
.feature-media-overlay span {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-family: var(--font-display);
  transform: translateY(8px);
  transition: transform 0.4s var(--ease-out);
}
.feature-card:hover .feature-media-overlay span { transform: none; }
.feature-body h3 { letter-spacing: -0.035em; }
.feature-tag-mono, .research-date, .build-label { font-family: var(--font-display); letter-spacing: 0.12em; }
.feature-build {
  background: var(--pill-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
}
.feature-card-noimage .feature-body { padding-top: 32px; }

/* Pills */
.tag, .cap-tag {
  border-radius: 999px;
  background: var(--pill-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-family: var(--font-display);
  padding: 5px 12px;
  transition: transform 0.25s var(--ease-out), background 0.25s ease, color 0.25s ease;
}
.cap-tag:hover, .tag:hover { color: var(--text); transform: translateY(-2px); border-color: var(--glass-rim-c); }

.link-arrow { font-family: var(--font-display); color: var(--text); }
.link-arrow::after { transition: transform 0.3s var(--ease-out); }
.link-arrow:hover::after { transform: translateX(3px); }

.capability-level {
  display: inline-block;
  margin-top: 8px;
  padding: 2px 10px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 11.5px;
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
}

/* ---------- Rows (education, experience) ---------- */
.experience-list, .education-list { border-top-color: var(--border); }
.experience-row, .education-row {
  border-bottom-color: var(--border);
  border-radius: 20px;
  transition: background 0.35s ease, padding 0.35s var(--ease-out), box-shadow 0.35s ease;
}
.experience-row:hover,
.education-row:hover {
  background: linear-gradient(160deg, var(--glass-top), var(--glass-bot));
  box-shadow: inset 0 1px 0 var(--glass-hi), inset 0 0 0 1px var(--glass-border);
  padding-left: 22px;
  padding-right: 22px;
}
.date-mono, .experience-org-link { font-family: var(--font-display); }

/* ---------- Others ---------- */
.side-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  letter-spacing: 0.16em;
  font-size: 11px;
  color: var(--text-muted);
}
.side-label::before { content: ''; width: 22px; height: 1px; background: currentColor; opacity: 0.7; }

/* ---------- Contact ---------- */
.contact-card { padding: 80px 48px; }
.contact-title { font-size: clamp(40px, 7vw, 76px); }
.location-dot { background: #3ddc84; box-shadow: 0 0 0 4px rgba(61, 220, 132, 0.18); }
.contact-location { font-family: var(--font-display); }

/* ---------- Footer ---------- */
.site-footer { background: transparent; border-top-color: var(--border); }
.footer-bottom { border-top-color: var(--border); font-family: var(--font-display); }
.footer-tag { font-family: var(--font-display); }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 90;
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  translate: 0 14px;
  transition: opacity 0.35s ease, translate 0.45s var(--ease-out), transform 0.35s var(--ease-out);
}
.to-top.show { opacity: 1; pointer-events: auto; translate: 0 0; }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .hero { padding: 110px 0 80px; }
  .photo-frame { width: 190px; height: 232px; max-width: none; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); }
  .stat-label { font-size: 9.5px; letter-spacing: 0.08em; text-align: center; }
  .section { padding: 80px 0; }
  .contact-card { padding: 52px 22px; }
  .experience-row:hover, .education-row:hover { padding-left: 12px; padding-right: 12px; }
}

/* ---------- Fallbacks ---------- */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .feature-card, .research-card, .capability, .proof-card, .side-block,
  .contact-card, .theme-popover, .site-header { background: var(--bg-secondary); }
}
@media (prefers-reduced-transparency: reduce) {
  .feature-card, .research-card, .capability, .proof-card, .side-block,
  .contact-card, .theme-popover, .site-header {
    background: var(--bg-secondary);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .bg-glow, .photo-halo { animation: none; }
}

/* Generated wordmark panel for projects without artwork */
.feature-media-mark {
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 30% 20%, var(--glass-spec), transparent 55%),
    radial-gradient(rgba(var(--dot-rgb), 0.22) 1px, transparent 1.2px) 0 0 / 14px 14px,
    var(--bg-secondary);
}
.feature-media-mark span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: -0.05em;
  background: var(--name-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: transform 0.6s var(--ease-out);
}
.feature-card:hover .feature-media-mark span { transform: scale(1.05); }
/* Hide the logo's own background box so the wordmark floats on the panel */
.feature-media-novetric { background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.06), transparent 60%), #0a0d0d; }
.feature-media-novetric img { mix-blend-mode: lighten; }
.research-card .research-date { font-family: var(--font-display); font-size: 11.5px; letter-spacing: 0.12em; }
.section h2.contact-title { margin-bottom: 18px; }

/* ---------- Side navigator (photo + segmented ring + section links) ---------- */
.side-nav {
  position: fixed;
  top: 50%;
  right: 22px;
  z-index: 80;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  opacity: 0;
  pointer-events: none;
  transform: translate(16px, -50%);
  transition: opacity 0.45s ease, transform 0.6s var(--ease-out);
}
.side-nav.show { opacity: 1; pointer-events: auto; transform: translate(0, -50%); }

.side-avatar {
  position: relative;
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  transition: transform 0.4s var(--ease-out);
}
.side-avatar:hover { transform: scale(1.06); }
.side-avatar img {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
  border: 1px solid var(--orb-border);
  box-shadow: var(--orb-shadow);
}
.side-ring { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.side-ring .seg-track { stroke: var(--border-strong); }
.side-ring .seg-fill { stroke: var(--text); transition: stroke-dashoffset 0.3s linear; }
.side-ring .seg-track,
.side-ring .seg-fill { fill: none; stroke-width: 3; stroke-linecap: round; }

.side-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  border-radius: 22px;
  background: linear-gradient(160deg, var(--glass-top), var(--glass-bot)), var(--glass-solid);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--glass-drop);
}
.side-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color 0.25s ease, background 0.25s ease;
}
.side-link:hover { color: var(--text); background: var(--pill-bg); }
.side-link.is-active { color: var(--btn-primary-fg); background: var(--btn-primary-bg); box-shadow: var(--btn-primary-shadow); }
.side-dot {
  width: 5px; height: 5px;
  flex: none;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.6;
}
.side-link.is-active .side-dot { opacity: 1; }

/* Narrower screens: links collapse to dots, label appears on hover */
@media (max-width: 1579px) {
  .side-links { padding: 8px 6px; gap: 2px; }
  .side-link { padding: 7px; justify-content: center; }
  .side-text {
    position: absolute;
    right: calc(100% + 12px);
    padding: 5px 10px;
    border-radius: 999px;
    background: var(--glass-solid);
    border: 1px solid var(--glass-border);
    color: var(--text);
    box-shadow: var(--glass-drop);
    opacity: 0;
    transform: translateX(6px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.3s var(--ease-out);
  }
  .side-link:hover .side-text { opacity: 1; transform: none; }
  .side-avatar { width: 60px; height: 60px; }
  .side-avatar img { width: 44px; height: 44px; }
}
@media (max-width: 1099px) { .side-nav { display: none; } }
/* Keep content clear of the side navigator */
@media (min-width: 1100px) and (max-width: 1579px) {
  main .container { width: min(var(--max-w), calc(100% - 180px)); }
}
.feature-card:hover .feature-media img { transform: scale(1.07); }
@media (prefers-reduced-motion: reduce) {
  .feature-card:hover, .research-card:hover, .capability:hover, .proof-card:hover, .side-block:hover { --pop: 1; --lift: -4px; }
}

/* Skills: resume groups, three across on wide screens */
.skills-grid { grid-template-columns: repeat(3, 1fr); }
.skills-grid .capability-head { margin-bottom: 14px; }
.skills-grid .capability-tags { margin-bottom: 0; }
@media (max-width: 1180px) { .skills-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 980px) { .skills-grid { grid-template-columns: 1fr; } }