/* ==========================================================================
   Arman Hosseini — Spatial OS theme
   EDIT: change the look of the whole site from the tokens in :root below.
   ========================================================================== */

:root {
  /* --- Environment (the "room" behind the windows) --- */
  --bg-0: #050912;          /* deepest space */
  --bg-1: #0A1322;          /* lifted navy */
  --bg-glow-a: rgba(64, 140, 200, 0.18);
  --bg-glow-b: rgba(110, 80, 200, 0.12);
  --grid: 127, 231, 255;    /* rgb of the wireframe world (used by canvas) */

  /* --- Glass windows --- */
  --glass: linear-gradient(155deg, rgba(190, 222, 255, 0.12), rgba(120, 160, 215, 0.045) 60%);
  --glass-strong: linear-gradient(155deg, rgba(190, 222, 255, 0.18), rgba(120, 160, 215, 0.08) 60%);
  --glass-edge: rgba(210, 236, 255, 0.16);
  --glass-edge-hi: rgba(210, 236, 255, 0.32);
  --glass-blur: blur(22px) saturate(140%);

  /* --- Ink --- */
  --ink: #E8F1FA;
  --ink-soft: #BFD0E0;
  --ink-dim: #8DA2B8;

  /* --- Accent: glacier cyan (gaze / live signal) --- */
  --accent: #7FE7FF;
  --accent-ink: #04131A;
  --accent-wash: rgba(127, 231, 255, 0.12);
  --hot: #FF8A6B;           /* used only for risk / alert states */

  /* --- Type --- */
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* --- Space (4px base) --- */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px;
  --s-6: 32px; --s-7: 48px; --s-8: 72px; --s-9: 112px;

  /* --- Shape & motion --- */
  --r-window: 28px;
  --r-card: 22px;
  --r-pill: 999px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --dur-fast: 160ms;
  --dur: 420ms;

  --maxw: 1180px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  background:
    radial-gradient(1200px 700px at 15% -10%, var(--bg-glow-a), transparent 60%),
    radial-gradient(900px 600px at 100% 30%, var(--bg-glow-b), transparent 60%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0) 55%);
  background-attachment: fixed;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.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;
}

/* ---------- The 3D world canvas (fixed behind everything) ---------- */
#world {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: var(--world-opacity, 1);
  transition: opacity 300ms linear;
}

/* ---------- Glass primitive ---------- */
.glass {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  border-radius: var(--r-window);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.10),
    0 40px 90px -30px rgba(0, 0, 0, 0.7);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  isolation: isolate;
}
/* specular highlight that follows the pointer (set by script.js) */
.glass::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  background: radial-gradient(420px circle at var(--mx, 30%) var(--my, 0%), rgba(255, 255, 255, 0.10), transparent 45%);
  pointer-events: none;
  z-index: -1;
}

/* visionOS-style window grabber under a panel */
.grab { position: relative; }
.grab::after {
  content: "";
  position: absolute; left: 50%; bottom: -16px;
  width: 64px; height: 5px; margin-left: -32px;
  border-radius: var(--r-pill);
  background: rgba(220, 238, 255, 0.22);
  transition: background var(--dur-fast), width var(--dur-fast), margin var(--dur-fast);
}
.grab:hover::after { background: rgba(220, 238, 255, 0.45); width: 84px; margin-left: -42px; }

/* ---------- Type helpers ---------- */
.eyebrow {
  margin: 0 0 var(--s-4);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.mono { font-family: var(--font-mono); }

/* ---------- Buttons & chips ---------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--s-2);
  padding: 12px 20px;
  border-radius: var(--r-pill);
  border: 1px solid var(--glass-edge-hi);
  background: rgba(220, 238, 255, 0.06);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: background var(--dur-fast), border-color var(--dur-fast), transform var(--dur-fast) var(--ease);
}
.btn:hover { background: rgba(220, 238, 255, 0.14); border-color: rgba(220, 238, 255, 0.5); }
.btn:active { transform: scale(0.97); }
.btn--primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn--primary:hover { background: #A8F0FF; border-color: #A8F0FF; }
.btn--ghost { border-color: transparent; background: transparent; }
.btn--ghost:hover { background: rgba(220, 238, 255, 0.08); border-color: transparent; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--glass-edge);
  background: rgba(220, 238, 255, 0.05);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
}
a.chip:hover { border-color: var(--glass-edge-hi); color: var(--ink); }

/* ---------- Status bar (top) ---------- */
.statusbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--s-4) clamp(16px, 4vw, 40px);
  pointer-events: none;
}
.statusbar > * { pointer-events: auto; }
.statusbar::before {
  content: "";
  position: absolute; inset: 0 0 -24px;
  background: linear-gradient(rgba(5, 9, 18, 0.92) 40%, rgba(5, 9, 18, 0));
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  z-index: -1;
}
.is-scrolled .statusbar::before { opacity: 1; }
.brand {
  display: inline-flex; align-items: center; gap: var(--s-3);
  text-decoration: none;
}
.brand-mark {
  display: grid; place-items: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--glass-edge-hi);
  background: rgba(220, 238, 255, 0.08);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.02em;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.is-scrolled .brand-name { opacity: 1; transform: none; }
.status-right { display: flex; align-items: center; gap: var(--s-3); }
.status-item {
  display: inline-flex; align-items: center; gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-dim);
  letter-spacing: 0.04em;
}
.live-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(127, 231, 255, 0.6);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(127, 231, 255, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(127, 231, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(127, 231, 255, 0); }
}
.statusbar .chip { -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); }

/* ---------- Dock (bottom navigation) ---------- */
.dock {
  position: fixed; left: 50%; bottom: 18px;
  z-index: 50;
  transform: translateX(-50%);
  display: flex; gap: 4px;
  padding: 6px;
  border-radius: var(--r-pill);
  max-width: calc(100vw - 24px);
}
.dock a {
  position: relative;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  border-radius: var(--r-pill);
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.dock a svg { width: 18px; height: 18px; flex: none; }
.dock a:hover { background: rgba(220, 238, 255, 0.08); color: var(--ink); }
.dock a.is-active { background: rgba(220, 238, 255, 0.16); color: var(--ink); }

/* ---------- Gaze cursor ---------- */
.gaze {
  position: fixed; left: 0; top: 0;
  z-index: 100;
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1.5px solid rgba(127, 231, 255, 0.75);
  background: rgba(127, 231, 255, 0.08);
  pointer-events: none;
  opacity: 0;
  transition: width 220ms var(--ease), height 220ms var(--ease), border-radius 220ms var(--ease),
              opacity 200ms, background 200ms, border-color 200ms;
  will-change: transform;
}
.gaze.is-on { opacity: 1; }
.gaze.is-locked { background: rgba(127, 231, 255, 0.10); border-color: rgba(127, 231, 255, 0.5); }
@media (hover: none), (pointer: coarse) { .gaze { display: none; } }

/* ==========================================================================
   HERO — floating windows in a 3D room
   ========================================================================== */
main { position: relative; z-index: 1; }

.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 96px clamp(16px, 4vw, 40px) 120px;
}
.scene {
  --tilt-x: 0;  /* set by script.js from pointer */
  --tilt-y: 0;
  width: 100%;
  max-width: var(--maxw);
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: var(--s-6) var(--s-7);
  align-items: center;
  perspective: 1600px;
  transform-style: preserve-3d;
}
.window {
  --base-ry: 0;
  --z: 0px;
  transform:
    rotateX(calc(var(--tilt-x) * 1deg))
    rotateY(calc((var(--base-ry) + var(--tilt-y)) * 1deg))
    translateZ(var(--z));
  transform-style: preserve-3d;
  animation: window-in 900ms var(--ease) both;
}
/* entrance uses movement only, so content is never hidden if animation is throttled */
@keyframes window-in {
  from { translate: 0 28px; scale: 0.97; }
  to   { translate: 0 0; scale: 1; }
}

.window--main {
  --base-ry: 9;
  --z: 30px;
  padding: clamp(28px, 4vw, 52px);
  container-type: inline-size; /* lets the name scale with this window, not the viewport */
}
/* headshot floats just above the window's top-right corner, ringed by a slow "gaze" reticle */
.window--main .eyebrow { max-width: calc(100% - 150px); }
.avatar {
  position: absolute; top: -40px; right: clamp(24px, 4vw, 44px);
  width: 128px; height: 128px;
  transform: translateZ(40px);
}
.avatar img {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover; object-position: 50% 28%;
  border: 2px solid rgba(220, 238, 255, 0.35);
  box-shadow: 0 18px 40px -12px rgba(0, 0, 0, 0.7);
}
.avatar::before {
  content: "";
  position: absolute; inset: -9px;
  border-radius: 50%;
  border: 1.5px dashed rgba(127, 231, 255, 0.55);
  animation: spin 24s linear infinite;
}
.avatar::after {
  content: "";
  position: absolute; top: 6px; right: 4px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-0);
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero-name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  /* "Hosseini." is ~6.6em wide, so 14cqi keeps it inside the window at every size */
  font-size: clamp(28px, 14cqi, 100px);
  line-height: 0.92;
  letter-spacing: -0.035em;
}
.hero-name span { color: var(--accent); }
.hero-lede {
  margin: var(--s-5) 0 0;
  max-width: 34em;
  font-size: clamp(17px, 1.5vw, 19px);
  color: var(--ink-soft);
}
.hero-lede em { font-style: normal; color: var(--ink); background: linear-gradient(transparent 62%, rgba(127, 231, 255, 0.28) 62%); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-6); }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5);
  margin: var(--s-6) 0 0; padding: var(--s-5) 0 0;
  border-top: 1px solid var(--glass-edge);
  font-size: 14px;
}
.hero-meta div { display: flex; flex-direction: column; }
.hero-meta dt { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-dim); }
.hero-meta dd { margin: 2px 0 0; color: var(--ink); font-weight: 600; }

.side-stack { display: grid; gap: var(--s-7); transform-style: preserve-3d; }
.window--side { --base-ry: -14; padding: var(--s-5); }
.window--signal { --z: 10px; animation-delay: 150ms; }
.window--grant  { --z: -20px; animation-delay: 300ms; }

.win-head {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-3);
  margin-bottom: var(--s-4);
}
.win-title { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: 18px; letter-spacing: -0.01em; }
.win-sub { font-family: var(--font-mono); font-size: 11px; color: var(--ink-dim); letter-spacing: 0.06em; }

.signal-row {
  display: grid; grid-template-columns: 54px 1fr 52px; align-items: center; gap: var(--s-3);
  padding: 6px 0;
  border-top: 1px solid rgba(210, 236, 255, 0.07);
  font-family: var(--font-mono); font-size: 11px;
}
.signal-row:first-of-type { border-top: 0; }
.signal-row .lbl { color: var(--ink-dim); letter-spacing: 0.08em; }
.signal-row .val { text-align: right; color: var(--ink); }
.signal-row canvas { width: 100%; height: 30px; }

.risk {
  margin-top: var(--s-4);
  padding: var(--s-3) var(--s-4);
  border-radius: 14px;
  background: rgba(5, 12, 22, 0.45);
  border: 1px solid rgba(210, 236, 255, 0.08);
}
.risk-top { display: flex; align-items: baseline; justify-content: space-between; font-family: var(--font-mono); font-size: 11px; color: var(--ink-dim); letter-spacing: 0.08em; }
.risk-num { font-family: var(--font-display); font-weight: 700; font-size: 26px; color: var(--ink); letter-spacing: -0.02em; transition: color 300ms; }
.risk-state { color: var(--accent); transition: color 300ms; }
.risk-bar { height: 4px; margin-top: 8px; border-radius: 4px; background: rgba(210, 236, 255, 0.1); overflow: hidden; }
.risk-bar i { display: block; height: 100%; width: 30%; border-radius: inherit; background: var(--accent); transition: width 200ms linear, background 300ms; }
.risk.is-hot .risk-num, .risk.is-hot .risk-state { color: var(--hot); }
.risk.is-hot .risk-bar i { background: var(--hot); }
.demo-note { margin: var(--s-3) 0 0; font-size: 11px; font-family: var(--font-mono); color: var(--ink-dim); }

.window--grant p { margin: 0; font-size: 15px; color: var(--ink-soft); }
.window--grant .win-title { font-size: 20px; margin-bottom: 6px; }
.grant-foot { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-top: var(--s-4); }

.scroll-hint {
  position: absolute; left: 50%; bottom: 96px;
  transform: translateX(-50%);
  display: inline-flex; flex-direction: column; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-dim); text-decoration: none;
}
.scroll-hint::after {
  content: ""; width: 1px; height: 34px;
  background: linear-gradient(var(--accent), transparent);
  animation: drip 2s var(--ease) infinite;
}
@keyframes drip { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }
.hero { position: relative; }
@media (max-height: 940px) { .scroll-hint { display: none; } }

/* ==========================================================================
   SECTIONS
   ========================================================================== */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--s-9) clamp(16px, 4vw, 40px) var(--s-8);
  scroll-margin-top: 20px;
}
.section-head { display: grid; gap: var(--s-3); margin-bottom: var(--s-7); max-width: 760px; }
.section-head .eyebrow { margin: 0; }
.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 5.4vw, 64px);
  line-height: 1;
  letter-spacing: -0.03em;
}
.section-lede { margin: 0; color: var(--ink-soft); font-size: 18px; }

/* ---------- Research project panels ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s-8) var(--s-6);
  perspective: 1800px;
}
.card {
  --rx: 0deg; --ry: 0deg;
  display: flex; flex-direction: column;
  border-radius: var(--r-card);
  transform: rotateX(var(--rx)) rotateY(var(--ry));
  transition: transform 500ms var(--ease), border-color var(--dur-fast);
}
.card:hover { border-color: var(--glass-edge-hi); transition: transform 120ms linear, border-color var(--dur-fast); }
.card--featured { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); }

.card-art {
  position: relative;
  aspect-ratio: 2 / 1;
  margin: 10px 10px 0;
  border-radius: calc(var(--r-card) - 8px);
  background:
    radial-gradient(120% 90% at 50% 120%, rgba(127, 231, 255, 0.10), transparent 60%),
    rgba(3, 9, 18, 0.55);
  border: 1px solid rgba(210, 236, 255, 0.07);
  overflow: hidden;
}
.card--featured .card-art { aspect-ratio: auto; min-height: 320px; margin: 10px 0 10px 10px; }
.card-art svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.card-art img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.card-art .art-label {
  position: absolute; left: 14px; top: 12px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); opacity: 0.85;
}

/* line styles used by the inline SVG illustrations */
.a-line { fill: none; stroke: var(--accent); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.a-dim  { fill: none; stroke: rgba(127, 231, 255, 0.28); stroke-width: 1; }
.a-faint{ fill: none; stroke: rgba(127, 231, 255, 0.12); stroke-width: 1; }
.a-hot  { fill: none; stroke: var(--hot); stroke-width: 1.4; stroke-linecap: round; }
.a-fill { fill: rgba(127, 231, 255, 0.14); stroke: var(--accent); stroke-width: 1.2; }
.a-hotfill { fill: rgba(255, 138, 107, 0.2); stroke: var(--hot); stroke-width: 1.2; }
.a-txt  { fill: rgba(191, 208, 224, 0.75); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; }
.a-txt-hot { fill: var(--hot); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; }
.a-flow { stroke-dasharray: 4 6; animation: flow 1.6s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -20; } }

/* photo cover on a card: a button that opens the case study */
.card-art--photo {
  display: block; width: auto; padding: 0;
  cursor: pointer; font: inherit; color: inherit;
}
.card-art--photo img { transition: transform 600ms var(--ease), filter 600ms var(--ease); filter: saturate(0.92) brightness(0.92); }
.card-art--photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(3, 9, 18, 0.55), transparent 35%, transparent 60%, rgba(3, 9, 18, 0.6));
  pointer-events: none;
}
.card-art--photo .art-label { z-index: 1; color: var(--ink); opacity: 1; text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6); }
.art-open {
  position: absolute; right: 12px; bottom: 12px; z-index: 1;
  padding: 6px 12px; border-radius: var(--r-pill);
  background: rgba(5, 12, 22, 0.6); border: 1px solid var(--glass-edge-hi);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; color: var(--accent);
  transition: background var(--dur-fast);
}
.art-video {
  position: absolute; left: 12px; bottom: 12px; z-index: 1;
  padding: 6px 12px; border-radius: var(--r-pill);
  background: var(--hot); color: #1a0703;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.06em;
}
.card-art--photo:hover img { transform: scale(1.04); filter: none; }
.card-art--photo:hover .art-open { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn--sm { align-self: flex-start; padding: 8px 16px; font-size: 13.5px; margin-top: var(--s-2); cursor: pointer; }

.card-body { display: flex; flex-direction: column; gap: var(--s-3); padding: var(--s-5) var(--s-5) var(--s-5); flex: 1; }
.card--featured .card-body { padding: clamp(24px, 3vw, 40px); justify-content: center; }
.card-status {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2) var(--s-3);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-dim);
}
.state { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); }
.state::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.state--done { color: var(--ink-dim); }
.state--review { color: var(--hot); }
.card-title { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: 24px; line-height: 1.15; letter-spacing: -0.015em; }
.card--featured .card-title { font-size: clamp(28px, 3vw, 38px); }
.card-text { margin: 0; color: var(--ink-soft); font-size: 15.5px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: auto 0 0; padding: var(--s-2) 0 0; list-style: none; }
.tags li { padding: 4px 10px; border-radius: var(--r-pill); background: rgba(220, 238, 255, 0.06); font-family: var(--font-mono); font-size: 11px; color: var(--ink-soft); }
.funding { display: flex; flex-wrap: wrap; gap: 6px; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid rgba(127, 231, 255, 0.4);
  background: var(--accent-wash);
  font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.04em;
  color: var(--accent);
}

/* ---------- Publications ---------- */
.text-link { color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(127, 231, 255, 0.35); }
.text-link:hover { border-bottom-color: var(--accent); }

.pub-tools {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-4);
  margin-bottom: var(--s-6);
}
.seg { display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 5px; border-radius: var(--r-pill); }
.seg button {
  padding: 8px 16px;
  border: 0; border-radius: var(--r-pill);
  background: transparent;
  color: var(--ink-soft);
  font: 600 14px var(--font-body);
  cursor: pointer;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.seg button:hover { color: var(--ink); background: rgba(220, 238, 255, 0.07); }
.seg button.is-active { background: rgba(220, 238, 255, 0.16); color: var(--ink); }

.metrics {
  display: inline-flex; align-items: center; gap: var(--s-5);
  padding: 10px 20px;
  border-radius: 18px;
  text-decoration: none;
}
.metric { display: flex; flex-direction: column; line-height: 1.1; }
.metric b { font-family: var(--font-display); font-weight: 700; font-size: 24px; letter-spacing: -0.02em; color: var(--ink); }
.metric small { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-dim); }
.metric-src { font-family: var(--font-mono); font-size: 11px; color: var(--accent); }
.metrics:hover { border-color: var(--glass-edge-hi); }

.pub-panel { padding: var(--s-3) clamp(16px, 3vw, 36px) var(--s-5); border-radius: var(--r-card); }
.pub-group[hidden] { display: none; }
.pub-group + .pub-group { margin-top: var(--s-4); }
.pub-group-title {
  display: flex; align-items: center; gap: var(--s-3);
  margin: 0; padding: var(--s-5) 0 var(--s-3);
  font-family: var(--font-mono); font-weight: 500; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
}
.pub-count {
  padding: 1px 8px; border-radius: var(--r-pill);
  background: var(--accent-wash);
  font-size: 11px; letter-spacing: 0;
}
.pub-list { margin: 0; padding: 0; list-style: none; }
.pub {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  gap: var(--s-2) var(--s-5);
  align-items: start;
  padding: var(--s-4) var(--s-3);
  margin: 0 calc(var(--s-3) * -1);
  border-top: 1px solid rgba(210, 236, 255, 0.08);
  border-radius: 12px;
  transition: background var(--dur-fast);
}
.pub:hover { background: rgba(220, 238, 255, 0.04); }
.pub-year { padding-top: 3px; font-family: var(--font-mono); font-size: 13px; color: var(--ink-dim); }
.pub-main { min-width: 0; }
.pub-title { display: block; color: var(--ink); font-weight: 600; font-size: 16.5px; line-height: 1.45; text-decoration: none; }
a.pub-title::after { content: " ↗"; color: var(--accent); font-size: 0.85em; }
a.pub-title:hover { color: var(--accent); }
.pub-authors { margin: 4px 0 0; font-size: 14px; color: var(--ink-dim); }
.pub-authors .me { color: var(--ink); font-weight: 700; }
.pub-venue { margin: 4px 0 0; font-family: var(--font-mono); font-size: 12px; color: var(--ink-soft); }
.pill {
  margin-top: 2px;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono); font-size: 11px; white-space: nowrap;
  border: 1px solid currentColor;
}
.pill--pub { color: var(--accent); background: var(--accent-wash); border-color: rgba(127, 231, 255, 0.35); }
.pill--review { color: var(--hot); background: rgba(255, 138, 107, 0.1); border-color: rgba(255, 138, 107, 0.35); }
.pill--prep { color: var(--ink-dim); background: transparent; border-color: rgba(210, 236, 255, 0.18); }
.pill--pre { color: var(--ink-soft); background: rgba(220, 238, 255, 0.06); border-color: rgba(210, 236, 255, 0.22); }

@media (max-width: 720px) {
  .pub { grid-template-columns: 1fr auto; }
  .pub-year { grid-column: 1; grid-row: 1; padding: 0; }
  .pub .pill { grid-column: 2; grid-row: 1; margin: 0; }
  .pub-main { grid-column: 1 / -1; }
  .metrics { width: 100%; justify-content: space-between; }
  .seg { width: 100%; }
}

/* ---------- CV ---------- */
.section-head--row {
  max-width: none;
  grid-template-columns: 1fr auto;
  align-items: end;
}
.section-head--row > div { display: grid; gap: var(--s-3); }

.cv-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: var(--s-7) var(--s-6);
}
.cv-stack { display: grid; gap: var(--s-7); align-content: start; }
.cv-wide { grid-column: 1 / -1; }
.cv-panel { padding: clamp(20px, 3vw, 32px); border-radius: var(--r-card); }
.cv-panel-title {
  margin: 0 0 var(--s-5);
  font-family: var(--font-mono); font-weight: 500; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
}

.timeline { margin: 0; padding: 0; list-style: none; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 5px; top: 8px; bottom: 8px;
  width: 1px; background: linear-gradient(var(--accent), rgba(127, 231, 255, 0.08));
}
.tl-item { position: relative; padding: 0 0 var(--s-6) 32px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: 0; top: 6px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--bg-0); border: 1.5px solid var(--accent);
}
.tl-item.is-now::before { background: var(--accent); box-shadow: 0 0 0 5px rgba(127, 231, 255, 0.15); }
.tl-when { font-family: var(--font-mono); font-size: 12px; color: var(--ink-dim); letter-spacing: 0.06em; }
.tl-what { margin: 4px 0 0; font-family: var(--font-display); font-weight: 700; font-size: 21px; letter-spacing: -0.01em; line-height: 1.2; }
.tl-where { margin: 4px 0 0; color: var(--ink-soft); font-size: 15px; }
.tl-note {
  margin: var(--s-3) 0 0; padding: var(--s-3) var(--s-4);
  border-radius: 12px;
  background: rgba(5, 12, 22, 0.45);
  border: 1px solid rgba(210, 236, 255, 0.08);
  font-size: 14.5px; color: var(--ink-soft);
}
.tl-note span { display: block; margin-bottom: 2px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }

.cv-list { margin: 0; padding: 0; list-style: none; display: grid; gap: var(--s-4); }
.cv-list li { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: var(--s-4); align-items: start; }
.cv-list li .badge { justify-content: center; }
.cv-list b { display: block; font-weight: 600; font-size: 15.5px; line-height: 1.35; }
.cv-list small { display: block; margin-top: 2px; font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-dim); }
.amt { font-family: var(--font-display); font-weight: 700; font-size: 17px; color: var(--accent); letter-spacing: -0.01em; line-height: 1.4; }

.skill-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-5); }
.skill h4, .mini-title {
  margin: 0 0 var(--s-3);
  font-family: var(--font-display); font-weight: 700; font-size: 16px; letter-spacing: -0.01em;
}
.skill .tags { margin: 0; padding: 0; }

.stat-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-3); }
.stat {
  padding: var(--s-4);
  border-radius: 16px;
  background: rgba(5, 12, 22, 0.45);
  border: 1px solid rgba(210, 236, 255, 0.08);
}
.stat b { display: block; font-family: var(--font-display); font-weight: 800; font-size: 40px; line-height: 1; letter-spacing: -0.03em; color: var(--accent); }
.stat span { display: block; margin-top: 8px; font-size: 13px; line-height: 1.45; color: var(--ink-soft); }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-5); margin-top: var(--s-6); }
.service-grid p { margin: 0; font-size: 15px; color: var(--ink-soft); }
.service-grid p b { color: var(--ink); font-weight: 600; }

@media (max-width: 960px) {
  .cv-grid { grid-template-columns: 1fr; }
  .skill-grid, .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-grid { grid-template-columns: 1fr; gap: var(--s-4); }
}
@media (max-width: 720px) {
  .section-head--row { grid-template-columns: 1fr; align-items: start; }
  .section-head--row .btn { justify-self: start; }
  .skill-grid { grid-template-columns: 1fr; }
  .stat b { font-size: 32px; }
}

/* ---------- News: "In the news" photo strip ---------- */
.press { margin-bottom: var(--s-7); }
.press-title {
  margin: 0 0 var(--s-4);
  font-family: var(--font-mono); font-weight: 500; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent);
}
.press-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-5); }
.press-card { margin: 0; padding: 10px 10px var(--s-4); border-radius: var(--r-card); }
.press-photo {
  display: block; width: 100%; padding: 0; border: 0; cursor: zoom-in;
  aspect-ratio: 4 / 3; border-radius: calc(var(--r-card) - 8px); overflow: hidden;
  background: rgba(3, 9, 18, 0.6);
}
.press-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--ease); }
.press-photo:hover img { transform: scale(1.04); }
.press-card figcaption { margin: var(--s-3) 6px 0; font-size: 14.5px; line-height: 1.5; color: var(--ink-soft); }
.press-year {
  display: inline-block; margin-right: 8px; padding: 1px 8px; border-radius: 6px;
  background: var(--accent-wash); border: 1px solid rgba(127, 231, 255, 0.35);
  font-family: var(--font-mono); font-size: 11px; color: var(--accent);
}
/* photo viewer is a lighter version of the case-study window */
.case--photos { height: auto; max-height: calc(100dvh - 48px); }
.case--photos .case-window { height: auto; max-height: calc(100dvh - 48px); }
.case--photos .case-scroll { padding-bottom: var(--s-5); }
.case--photos .gallery-stage { aspect-ratio: 16 / 10; }

/* demo video window */
.demo-stage {
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  background: rgba(3, 9, 18, 0.7);
  border: 1px solid rgba(210, 236, 255, 0.08);
  overflow: hidden;
}
.demo-video { display: block; width: 100%; height: 100%; object-fit: contain; }
.demo-lede { margin: var(--s-4) 0 0; color: var(--ink); font-size: 17px; }

@media (max-width: 860px) {
  .press-grid { grid-template-columns: 1fr; }
  .press-card { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: var(--s-3); align-items: center; padding: 10px; }
  .press-card figcaption { margin: 0; }
}

/* ---------- News (event log) ---------- */
.log { border-radius: var(--r-card); padding: 0 0 var(--s-4); overflow: hidden; }
.log-bar {
  display: flex; align-items: center; gap: var(--s-4);
  padding: 14px clamp(16px, 3vw, 28px);
  border-bottom: 1px solid rgba(210, 236, 255, 0.08);
  font-size: 12px; color: var(--ink-dim);
}
.log-dots { display: inline-flex; gap: 6px; }
.log-dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(220, 238, 255, 0.16); }
.log-live { margin-left: auto; display: inline-flex; align-items: center; gap: 8px; }

.log-year { display: grid; grid-template-columns: 120px minmax(0, 1fr); column-gap: var(--s-4); padding: 0 clamp(16px, 3vw, 28px); }
.log-year + .log-year .log-list, .log-year + .log-year .log-year-title { border-top: 1px solid rgba(210, 236, 255, 0.08); }
.log-year-title {
  margin: 0; padding: 22px 0 0;
  font-family: var(--font-display); font-weight: 800; font-size: 24px; letter-spacing: -0.01em;
  color: rgba(232, 241, 250, 0.35);
}
.log-list { margin: 0; padding: var(--s-3) 0; list-style: none; }
.log-item {
  display: grid;
  grid-template-columns: 44px 76px minmax(0, 1fr) 32px;
  align-items: baseline; gap: var(--s-4);
  padding: 14px var(--s-3);
  margin: 0 calc(var(--s-3) * -1);
  border-radius: 12px;
  transition: background var(--dur-fast);
}
.log-item:hover { background: rgba(220, 238, 255, 0.04); }
.log-item time { font-family: var(--font-mono); font-size: 13px; color: var(--ink-dim); text-transform: uppercase; letter-spacing: 0.06em; }
.log-item p { margin: 0; font-size: 16px; color: var(--ink-soft); }
.log-item p b { color: var(--ink); font-weight: 600; }
.log-tag {
  justify-self: start;
  padding: 3px 9px; border-radius: 6px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid rgba(210, 236, 255, 0.18); color: var(--ink-soft);
}
.t-paper { color: var(--accent); border-color: rgba(127, 231, 255, 0.35); background: var(--accent-wash); }
.t-grant { color: var(--accent-ink); border-color: var(--accent); background: var(--accent); }
.t-talk  { color: var(--ink-soft); }
.t-award { color: var(--hot); border-color: rgba(255, 138, 107, 0.35); background: rgba(255, 138, 107, 0.1); }
.log-link {
  justify-self: end;
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 50%;
  color: var(--accent); text-decoration: none; font-size: 15px;
  transition: background var(--dur-fast);
}
a.log-link:hover { background: var(--accent-wash); }
.log-item.is-new p::after {
  content: "NEW"; margin-left: 10px; padding: 2px 7px; border-radius: 5px; vertical-align: 2px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
  color: var(--hot); border: 1px solid rgba(255, 138, 107, 0.4);
}

@media (max-width: 720px) {
  .log-year { grid-template-columns: 1fr; }
  .log-year-title { padding-top: var(--s-4); font-size: 22px; }
  .log-year + .log-year .log-list { border-top: 0; }
  .log-item { grid-template-columns: 40px minmax(0, 1fr) 30px; gap: 6px var(--s-3); }
  .log-item time { grid-row: 1; grid-column: 1; }
  .log-tag { grid-row: 1; grid-column: 2; }
  .log-link { grid-row: 1 / span 2; grid-column: 3; align-self: center; }
  .log-item p { grid-column: 1 / 3; font-size: 15px; }
}

/* ---------- Case study windows (dialogs) ---------- */
html:has(dialog.case[open]) { overflow: hidden; }
.case {
  width: min(1080px, calc(100vw - 32px));
  max-width: none; max-height: none;
  height: min(880px, calc(100dvh - 48px));
  margin: auto; padding: 0;
  border: 0; background: transparent; color: var(--ink);
  overflow: visible;
}
.case::backdrop { background: rgba(3, 7, 14, 0.7); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.case[open] .case-window { animation: case-in 520ms var(--ease) both; }
@keyframes case-in {
  from { transform: perspective(1400px) rotateX(8deg) translateY(40px) scale(0.94); opacity: 0; }
  to   { transform: none; opacity: 1; }
}
.case-window {
  display: flex; flex-direction: column;
  height: 100%;
  border-radius: var(--r-window);
  background: linear-gradient(155deg, rgba(24, 38, 58, 0.92), rgba(10, 18, 32, 0.94));
  overflow: hidden;
}
.case-head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: var(--s-4);
  padding: var(--s-5) clamp(20px, 3vw, 36px);
  border-bottom: 1px solid rgba(210, 236, 255, 0.08);
}
.case-head .eyebrow { margin-bottom: 6px; }
.chip--video {
  flex: none; align-self: center; margin-left: auto;
  border-color: rgba(255, 138, 107, 0.5); background: rgba(255, 138, 107, 0.12); color: var(--hot);
}
a.chip--video:hover { background: var(--hot); color: #1a0703; border-color: var(--hot); }
.case-title { margin: 0; font-family: var(--font-display); font-weight: 800; font-size: clamp(22px, 2.6vw, 32px); line-height: 1.1; letter-spacing: -0.02em; }
.case-close {
  flex: none; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--glass-edge-hi); background: rgba(220, 238, 255, 0.06);
  color: var(--ink); font-size: 16px; cursor: pointer;
  transition: background var(--dur-fast);
}
.case-close:hover { background: rgba(220, 238, 255, 0.16); }
.case-scroll { flex: 1; overflow-y: auto; overscroll-behavior: contain; padding: var(--s-5) clamp(20px, 3vw, 36px) var(--s-7); }

.gallery { margin: 0; }
.gallery-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  background: rgba(3, 9, 18, 0.7);
  border: 1px solid rgba(210, 236, 255, 0.08);
  overflow: hidden;
}
.gallery-main { width: 100%; height: 100%; object-fit: contain; transition: opacity 200ms; }
.gallery-main.is-loading { opacity: 0.3; }
.gallery-nav {
  position: absolute; top: 50%; translate: 0 -50%;
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--glass-edge-hi); background: rgba(5, 12, 22, 0.6);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  color: var(--ink); font-size: 24px; line-height: 1; cursor: pointer;
  transition: background var(--dur-fast);
}
.gallery-nav:hover { background: var(--accent); color: var(--accent-ink); }
.gallery-nav.prev { left: 12px; }
.gallery-nav.next { right: 12px; }
.gallery-cap { min-height: 3em; margin: var(--s-3) 0 0; font-size: 14.5px; color: var(--ink-soft); }
.gallery-cap .count { margin-right: 10px; font-family: var(--font-mono); font-size: 11px; color: var(--accent); }
.gallery-thumbs { display: flex; gap: 8px; margin-top: var(--s-3); overflow-x: auto; padding-bottom: 6px; scrollbar-width: thin; }
.gallery-thumbs button {
  flex: none; width: 104px; aspect-ratio: 16 / 10; padding: 0;
  border-radius: 10px; overflow: hidden; cursor: pointer;
  border: 2px solid transparent; background: rgba(3, 9, 18, 0.6);
  opacity: 0.6; transition: opacity var(--dur-fast), border-color var(--dur-fast);
}
.gallery-thumbs button:hover { opacity: 0.9; }
.gallery-thumbs button.is-active { opacity: 1; border-color: var(--accent); }
.gallery-thumbs img { width: 100%; height: 100%; object-fit: cover; }

.case-facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-3); margin-top: var(--s-6); }
.case-facts div { padding: var(--s-4); border-radius: 14px; background: rgba(5, 12, 22, 0.45); border: 1px solid rgba(210, 236, 255, 0.08); }
.case-facts b { display: block; font-family: var(--font-display); font-weight: 800; font-size: 30px; line-height: 1; letter-spacing: -0.02em; color: var(--accent); }
.case-facts span { display: block; margin-top: 6px; font-size: 13px; line-height: 1.4; color: var(--ink-soft); }

.case-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-6); margin-top: var(--s-6); }
.case-cols h3, .case-videos h3 {
  margin: 0 0 var(--s-3);
  font-family: var(--font-mono); font-weight: 500; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent);
}
.case-cols p, .case-cols li { font-size: 15px; color: var(--ink-soft); }
.case-cols p { margin: 0; }
.case-cols ul { margin: 0; padding-left: 18px; display: grid; gap: 6px; }
.case-cols li::marker { color: var(--accent); }

.case-videos { margin-top: var(--s-6); scroll-margin-top: var(--s-4); }
.video-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-4); }
.yt, .yt-frame {
  position: relative; display: block; width: 100%; aspect-ratio: 16 / 9;
  border-radius: 14px; overflow: hidden; border: 1px solid rgba(210, 236, 255, 0.1);
}
.yt {
  padding: 0; cursor: pointer; color: var(--ink);
  background: #000 center / cover no-repeat;
}
.yt::after { content: ""; position: absolute; inset: 0; background: linear-gradient(transparent 40%, rgba(3, 9, 18, 0.8)); }
.yt-play {
  position: absolute; left: 50%; top: 50%; translate: -50% -50%; z-index: 1;
  display: grid; place-items: center; width: 60px; height: 60px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink); font-size: 20px; padding-left: 4px;
  transition: transform var(--dur-fast) var(--ease);
}
.yt:hover .yt-play { transform: scale(1.1); }
.yt-title { position: absolute; left: 14px; bottom: 12px; z-index: 1; font-weight: 600; font-size: 15px; text-align: left; }
.yt-frame { border: 0; }

.case-meta { display: grid; gap: var(--s-3); margin: var(--s-6) 0 0; padding-top: var(--s-5); border-top: 1px solid rgba(210, 236, 255, 0.08); }
.case-meta div { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: var(--s-4); align-items: baseline; }
.case-meta dt { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-dim); }
.case-meta dd { margin: 0; font-size: 15px; color: var(--ink); }
.case-meta .tags { padding: 0; }

@media (max-width: 860px) {
  .case-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-cols { grid-template-columns: 1fr; gap: var(--s-5); }
}
@media (max-width: 600px) {
  .case { width: 100vw; height: 100dvh; }
  .case-window { border-radius: 0; }
  .video-grid { grid-template-columns: 1fr; }
  .case-meta div { grid-template-columns: 1fr; gap: 2px; }
  .gallery-nav { width: 36px; height: 36px; font-size: 20px; }
}

/* ---------- Teaching ---------- */
.teach-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-6); }
.teach { display: flex; flex-direction: column; padding: var(--s-5); border-radius: var(--r-card); }
.teach-top { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); margin-bottom: var(--s-6); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }
.teach-code {
  padding: 6px 10px; border-radius: 8px;
  background: rgba(5, 12, 22, 0.5); border: 1px solid rgba(210, 236, 255, 0.1);
  font-size: 13px; letter-spacing: 0.06em; color: var(--ink);
}
.teach-title { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: 22px; line-height: 1.2; letter-spacing: -0.015em; }
.teach-role { margin: var(--s-3) 0 0; font-weight: 600; color: var(--accent); font-size: 15px; }
.teach-where { margin: 2px 0 0; color: var(--ink-dim); font-size: 14.5px; }

/* ---------- Contact ---------- */
.contact {
  display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--s-7);
  padding: clamp(28px, 5vw, 64px);
  border-radius: var(--r-window);
  background: var(--glass-strong);
}
.contact .section-title { font-size: clamp(28px, 3vw, 40px); line-height: 1.05; margin: var(--s-3) 0 var(--s-4); text-wrap: balance; }
.nowrap { white-space: nowrap; }
@media (max-width: 720px) { .nowrap { white-space: normal; } }
.email-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3); margin-top: var(--s-6); }
.email {
  font-family: var(--font-display); font-weight: 700; font-size: clamp(22px, 2.6vw, 32px);
  letter-spacing: -0.02em; color: var(--ink); text-decoration: none;
  background: linear-gradient(transparent 70%, rgba(127, 231, 255, 0.3) 70%);
}
.email:hover { color: var(--accent); }
.copy-btn { padding: 8px 16px; font-size: 13px; cursor: pointer; }
.copy-btn.is-done { border-color: var(--accent); color: var(--accent); }
.contact-loc { display: flex; align-items: center; gap: var(--s-2); margin: var(--s-5) 0 0; font-size: 12px; color: var(--ink-dim); }

.contact-links { margin: 0; padding: 0; list-style: none; display: grid; gap: var(--s-3); align-content: center; }
.contact-tile {
  display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; align-items: center; gap: var(--s-4);
  padding: var(--s-4);
  border-radius: 18px;
  background: rgba(5, 12, 22, 0.4);
  border: 1px solid rgba(210, 236, 255, 0.08);
  text-decoration: none;
  transition: border-color var(--dur-fast), background var(--dur-fast), transform var(--dur-fast) var(--ease);
}
.contact-tile:hover { border-color: rgba(127, 231, 255, 0.45); background: rgba(127, 231, 255, 0.06); transform: translateX(4px); }
.contact-tile svg {
  width: 44px; height: 44px; padding: 11px;
  border-radius: 12px; background: var(--accent-wash); color: var(--accent);
}
.contact-tile b { display: block; font-weight: 600; font-size: 16px; }
.contact-tile small { display: block; font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-dim); }
.contact-tile i { font-style: normal; color: var(--accent); }

@media (max-width: 960px) {
  .teach-grid { grid-template-columns: 1fr; gap: var(--s-6); }
  .teach-top { margin-bottom: var(--s-4); }
  .contact { grid-template-columns: 1fr; }
}

.footer { position: relative; z-index: 1; padding: var(--s-7) 16px 120px; text-align: center; font-family: var(--font-mono); font-size: 12px; color: var(--ink-dim); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 960px) {
  .scene { grid-template-columns: 1fr; perspective: none; }
  .window, .card { transform: none !important; }
  .side-stack { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-5); }
  .card--featured { grid-template-columns: 1fr; }
  .card--featured .card-art { min-height: 0; aspect-ratio: 2 / 1; margin: 10px 10px 0; }
  .scroll-hint { display: none; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .side-stack { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; gap: var(--s-7); }
  .status-item.hide-sm { display: none; }
  .window--main { margin-top: 40px; }
  .avatar { width: 92px; height: 92px; top: -34px; }
  .window--main .eyebrow { max-width: calc(100% - 100px); }
  .dock { bottom: 10px; overflow-x: auto; scrollbar-width: none; }
  .dock::-webkit-scrollbar { display: none; }
  .dock a { padding: 10px 12px; }
  .dock a span { display: none; }
  .section { padding-top: var(--s-8); }
}

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