/* ============================================================
   Tokens
   ============================================================ */
:root {
  --bg: #07070a;
  --bg-2: #0d0d12;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f5f5f7;
  --text-dim: #a1a1aa;
  --text-mute: #6b6b73;
  --accent: #c4b5fd;
  --accent-2: #f0abfc;
  --accent-3: #fde68a;
  --accent-4: #86efac;
  --grad: linear-gradient(135deg, #c4b5fd 0%, #f0abfc 50%, #fde68a 100%);
  --grad-soft: linear-gradient(135deg, rgba(196, 181, 253, .15), rgba(240, 171, 252, .08), rgba(253, 230, 138, .12));
  --radius: 18px;
  --radius-lg: 28px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --section-pad: clamp(80px, 12vw, 180px);
  --container: min(1280px, 92vw);
}

/* ============================================================
   Reset & base
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  letter-spacing: -0.01em;
  overflow-x: hidden;
  cursor: none;
}
@media (max-width: 768px) { body { cursor: auto; } }
::selection { background: var(--accent); color: #07070a; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: none; color: inherit; cursor: none; }
img { max-width: 100%; display: block; }

/* ============================================================
   Background atmosphere
   ============================================================ */
.bg-grid {
  position: fixed; inset: 0; z-index: -3;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 90%);
}
.bg-blob {
  position: fixed; z-index: -2;
  width: 600px; height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
  will-change: transform;
}
.blob-1 { background: #7c3aed; top: -200px; left: -200px; animation: float1 22s ease-in-out infinite; }
.blob-2 { background: #ec4899; top: 30%; right: -200px; animation: float2 28s ease-in-out infinite; opacity: 0.25; }
.blob-3 { background: #f59e0b; bottom: -200px; left: 20%; animation: float3 26s ease-in-out infinite; opacity: 0.18; }
@keyframes float1 { 0%,100%{transform:translate(0,0) scale(1);} 50%{transform:translate(80px,120px) scale(1.1);} }
@keyframes float2 { 0%,100%{transform:translate(0,0) scale(1);} 50%{transform:translate(-100px,80px) scale(0.9);} }
@keyframes float3 { 0%,100%{transform:translate(0,0) scale(1);} 50%{transform:translate(60px,-100px) scale(1.15);} }

.bg-noise {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  opacity: 0.04;
  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='3' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/></svg>");
}

/* ============================================================
   Cursor
   ============================================================ */
.cursor-dot, .cursor-ring {
  position: fixed; top: 0; left: 0; pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.15s var(--ease), opacity 0.2s ease, width 0.2s ease, height 0.2s ease, background 0.2s ease;
  mix-blend-mode: difference;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: #fff;
  border-radius: 50%;
}
.cursor-ring {
  width: 32px; height: 32px;
  border: 1.5px solid rgba(255,255,255,0.7);
  border-radius: 50%;
}
.cursor-ring.is-hover {
  width: 64px; height: 64px;
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.9);
}
@media (max-width: 768px) { .cursor-dot, .cursor-ring { display: none; } }

/* ============================================================
   Scroll progress
   ============================================================ */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%;
  background: var(--grad);
  z-index: 100;
  transition: width 0.05s linear;
}

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px clamp(20px, 4vw, 48px);
  z-index: 50;
  transition: padding 0.4s var(--ease), background 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
}
.nav.is-scrolled {
  padding: 14px clamp(20px, 4vw, 48px);
  background: rgba(7,7,10,0.6);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  display: inline-flex; align-items: center; gap: 4px;
  font-family: 'Instrument Serif', serif;
  font-size: 28px; font-style: italic;
  letter-spacing: -0.02em;
  font-weight: 500;
}
.logo-mark {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 24px;
  font-weight: 600;
  font-style: normal;
  font-family: 'Inter', sans-serif;
  letter-spacing: -0.04em;
}
.logo-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-3);
  margin-bottom: -4px;
  box-shadow: 0 0 16px var(--accent-3);
}
.nav-links {
  display: flex; gap: 4px; list-style: none;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px;
  backdrop-filter: blur(10px);
}
.nav-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  font-size: 13px; font-weight: 500;
  color: var(--text-dim);
  border-radius: 999px;
  transition: color 0.3s var(--ease), background 0.3s var(--ease);
}
.nav-link span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-mute);
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.06); }
@media (max-width: 820px) { .nav-links { display: none; } }
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  font-size: 13px; font-weight: 500;
  background: var(--text);
  color: var(--bg);
  border-radius: 999px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.nav-cta:hover { box-shadow: 0 12px 30px -10px rgba(245,245,247,0.4); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  min-height: 100vh;
  padding: 140px clamp(20px, 4vw, 48px) 80px;
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  width: fit-content;
  margin-bottom: 32px;
  backdrop-filter: blur(8px);
}
.hero-tag-pulse {
  width: 8px; height: 8px;
  background: var(--accent-4);
  border-radius: 50%;
  position: relative;
  box-shadow: 0 0 12px var(--accent-4);
}
.hero-tag-pulse::after {
  content: ''; position: absolute; inset: 0;
  border-radius: 50%; background: var(--accent-4);
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(2.8); opacity: 0; }
}
.hero-title {
  font-size: clamp(48px, 9vw, 144px);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 40px;
}
.hero-line {
  display: block;
  overflow: hidden;
}
.hero-word {
  display: inline-block;
  margin-right: 0.15em;
}
.hero-italic {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.02em;
}
.hero-gradient {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% auto;
  animation: shine 6s linear infinite;
}
@keyframes shine {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}
.hero-sub {
  max-width: 580px;
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--text-dim);
  margin-bottom: 48px;
  line-height: 1.6;
}
.hero-sub strong { color: var(--text); font-weight: 600; }

.hero-cta {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-bottom: 80px;
}
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 26px;
  font-size: 14px; font-weight: 500;
  border-radius: 999px;
  transition: transform 0.4s var(--ease), background 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--text);
  color: var(--bg);
}
.btn-primary::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--grad);
  transform: translateY(101%);
  transition: transform 0.5s var(--ease);
}
.btn-primary:hover::before { transform: translateY(0); }
.btn-primary .btn-label, .btn-primary .btn-icon { position: relative; z-index: 1; }
.btn-icon {
  display: inline-flex;
  transition: transform 0.4s var(--ease);
}
.btn:hover .btn-icon { transform: translate(3px, -3px); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--text); }

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  max-width: 720px;
}
@media (max-width: 640px) { .hero-meta { grid-template-columns: 1fr; } }
.meta-col { display: flex; flex-direction: column; gap: 4px; }
.meta-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.meta-value {
  font-size: 14px;
  color: var(--text);
  display: inline-flex; align-items: center; gap: 8px;
}
.dot-live {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-4);
  box-shadow: 0 0 10px var(--accent-4);
}

.scroll-hint {
  position: absolute;
  bottom: 32px; right: clamp(20px, 4vw, 48px);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}
.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--text-mute), transparent);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 40%;
  background: var(--text);
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(250%); }
}

/* ============================================================
   Marquee
   ============================================================ */
.marquee {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
  overflow: hidden;
  background: rgba(255,255,255,0.02);
  margin: 40px 0;
}
.marquee-track {
  display: flex; gap: 48px;
  animation: marquee 40s linear infinite;
  white-space: nowrap;
}
.marquee-track span {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: clamp(32px, 5vw, 64px);
  letter-spacing: -0.02em;
  color: var(--text);
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.85;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ============================================================
   Sections
   ============================================================ */
.section {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--section-pad) clamp(20px, 4vw, 48px);
}
.section-head {
  display: flex; flex-direction: column; gap: 14px;
  margin-bottom: 64px;
}
.section-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: inline-flex; align-items: center; gap: 12px;
}
.section-num::before {
  content: ''; width: 24px; height: 1px;
  background: var(--text-mute);
}
.section-title {
  font-size: clamp(36px, 6vw, 72px);
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.03em;
  max-width: 820px;
}

/* ============================================================
   About
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: start;
}
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }
.about-text .lead {
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 24px;
  letter-spacing: -0.015em;
}
.about-text .lead em {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
}
.about-text p {
  color: var(--text-dim);
  margin-bottom: 24px;
}
.about-text strong { color: var(--text); font-weight: 600; }
.about-bullets {
  list-style: none;
  display: flex; flex-direction: column; gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  margin-top: 32px;
}
.about-bullets li {
  display: flex; gap: 16px; align-items: baseline;
  color: var(--text-dim);
  font-size: 15px;
}
.about-bullets li span {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 28px;
  color: var(--text);
  min-width: 56px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.about-card {
  position: sticky;
  top: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  background: var(--grad);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.5s var(--ease);
  filter: blur(20px);
}
.about-card:hover::before { opacity: 0.3; }
.about-card-inner { display: flex; flex-direction: column; gap: 24px; }
.about-avatar {
  width: 96px; height: 96px;
  border-radius: 50%;
  background: var(--grad);
  display: grid; place-items: center;
  position: relative;
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 50px;
  color: var(--bg);
  font-weight: 500;
  overflow: hidden;
}
.avatar-glow {
  position: absolute; inset: -4px;
  border-radius: 50%;
  background: var(--grad);
  filter: blur(20px);
  opacity: 0.55;
  z-index: -1;
}
.avatar-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.avatar-letter { line-height: 1; }
.about-info { display: flex; flex-direction: column; gap: 2px; }
.about-name { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; }
.about-role { font-size: 14px; color: var(--text-dim); }
.about-handle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-mute);
  margin-top: 4px;
}
.about-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}
.about-stats > div { display: flex; flex-direction: column; gap: 2px; }
.about-stats strong {
  font-size: 14px; font-weight: 600;
}
.about-stats span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.about-links {
  display: flex; flex-direction: column; gap: 8px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.about-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-dim);
  transition: color 0.3s var(--ease);
}
.about-links a:hover { color: var(--text); }

/* ============================================================
   Stack chips
   ============================================================ */
.stack-chips {
  margin-top: 64px;
  display: flex; flex-direction: column; gap: 14px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.chip-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
}
.chip-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-mute);
  min-width: 130px;
}
@media (max-width: 640px) { .chip-label { min-width: auto; width: 100%; margin-bottom: 4px; } }
.chip {
  font-size: 12.5px;
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-dim);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
}
.chip:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--surface-2);
  transform: translateY(-2px);
}

/* ============================================================
   Timeline
   ============================================================ */
.timeline {
  list-style: none;
  position: relative;
  padding-left: 32px;
  display: flex; flex-direction: column; gap: 56px;
}
.timeline::before {
  content: '';
  position: absolute;
  top: 8px; bottom: 8px; left: 7px;
  width: 1px;
  background: linear-gradient(to bottom, var(--border-strong), var(--border) 40%, transparent);
}
.tl-item { position: relative; }
.tl-dot {
  position: absolute;
  left: -32px; top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--text-mute);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.tl-item:first-child .tl-dot {
  background: var(--grad);
  border: none;
  box-shadow: 0 0 0 4px rgba(196,181,253,0.15), 0 0 24px rgba(240,171,252,0.5);
}
.tl-period {
  display: flex; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}
.tl-now {
  padding: 2px 8px;
  background: var(--grad);
  color: var(--bg);
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.tl-role {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.tl-org {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 18px;
  color: var(--accent);
  margin-bottom: 16px;
}
.tl-desc {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.65;
  margin-bottom: 16px;
  max-width: 760px;
}
.tl-desc strong { color: var(--text); font-weight: 600; }
.tl-points {
  list-style: none;
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 20px;
  max-width: 800px;
}
.tl-points li {
  position: relative;
  padding-left: 22px;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.65;
}
.tl-points li::before {
  content: '';
  position: absolute;
  left: 0; top: 11px;
  width: 12px; height: 1px;
  background: var(--text-mute);
}
.tl-points li strong { color: var(--text); font-weight: 600; }
.tl-points li em { color: var(--accent); font-style: normal; font-family: 'Instrument Serif', serif; font-style: italic; font-size: 16px; }
.tl-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.tl-tags span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-dim);
  background: rgba(255,255,255,0.02);
}

/* ============================================================
   Metrics
   ============================================================ */
.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  backdrop-filter: blur(20px);
}
@media (max-width: 900px) { .metrics { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .metrics { grid-template-columns: 1fr; } }
.metric {
  padding: 36px 32px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  transition: background 0.4s var(--ease);
}
.metric:hover { background: var(--surface-2); }
.metric:nth-child(3n) { border-right: none; }
.metric:nth-last-child(-n+3) { border-bottom: none; }
@media (max-width: 900px) {
  .metric { border-right: 1px solid var(--border) !important; border-bottom: 1px solid var(--border) !important; }
  .metric:nth-child(2n) { border-right: none !important; }
  .metric:nth-last-child(-n+2) { border-bottom: none !important; }
}
@media (max-width: 560px) {
  .metric { border-right: none !important; }
  .metric:last-child { border-bottom: none !important; }
}
.metric-num {
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 12px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex; align-items: baseline; gap: 6px;
}
.metric-unit {
  font-size: clamp(14px, 1.2vw, 18px);
  font-weight: 500;
  -webkit-text-fill-color: var(--text-dim);
  background: none;
}
.metric-label {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ============================================================
   Research grid
   ============================================================ */
.research-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 820px) { .research-grid { grid-template-columns: 1fr; } }
.research-card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.5s var(--ease), border-color 0.5s var(--ease), background 0.5s var(--ease);
  display: flex; flex-direction: column; gap: 12px;
}
.research-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--surface-2);
}
.research-card-feature {
  background: linear-gradient(135deg, rgba(196,181,253,0.08), rgba(240,171,252,0.04));
  border-color: var(--border-strong);
}
.research-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: inline-flex;
  width: fit-content;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
}
.research-title {
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
}
.research-meta {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  font-size: 13px;
  color: var(--text-dim);
}
.research-meta em { color: var(--accent); font-family: 'Instrument Serif', serif; font-style: italic; }
.research-desc {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.6;
  margin-top: 4px;
}

/* ============================================================
   Contact aux
   ============================================================ */
.contact-aux {
  display: flex; gap: 12px; flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 32px;
}
.aux-link {
  display: flex; flex-direction: column;
  padding: 14px 22px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  text-align: left;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.aux-link:hover { border-color: var(--border-strong); background: var(--surface-2); }
.aux-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}
.aux-value {
  font-size: 14px;
  color: var(--text);
}

/* ============================================================
   Projects
   ============================================================ */
.projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
@media (max-width: 820px) { .projects { grid-template-columns: 1fr; } }

.project {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  transition: transform 0.5s var(--ease), border-color 0.5s var(--ease), background 0.5s var(--ease);
  position: relative;
}
.project:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  background: var(--surface-2);
}
.project-visual {
  aspect-ratio: 16 / 10;
  position: relative;
  overflow: hidden;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}
.visual-tag {
  position: absolute; top: 20px; right: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-mute);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
  z-index: 2;
  backdrop-filter: blur(8px);
}

/* Visual 1 — circle + grid */
.project-visual-1 {
  background: radial-gradient(circle at 30% 50%, rgba(124,58,237,0.4), transparent 60%),
              radial-gradient(circle at 70% 50%, rgba(236,72,153,0.3), transparent 60%),
              var(--bg-2);
}
.project-visual-1 .visual-circle {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at center, transparent 38%, rgba(255,255,255,0.08) 38%, rgba(255,255,255,0.08) 39%, transparent 39%),
    radial-gradient(circle at center, transparent 28%, rgba(255,255,255,0.05) 28%, rgba(255,255,255,0.05) 29%, transparent 29%),
    radial-gradient(circle at center, transparent 18%, rgba(255,255,255,0.03) 18%, rgba(255,255,255,0.03) 19%, transparent 19%);
  animation: rotateSlow 30s linear infinite;
}
.project-visual-1 .visual-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, #000, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, #000, transparent 80%);
}
@keyframes rotateSlow { to { transform: rotate(360deg); } }

/* Visual 2 — wave */
.project-visual-2 {
  background: linear-gradient(135deg, rgba(245,158,11,0.25), rgba(236,72,153,0.15)), var(--bg-2);
}
.project-visual-2 .visual-wave {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    rgba(255,255,255,0.06) 0px,
    rgba(255,255,255,0.06) 1px,
    transparent 1px,
    transparent 24px
  );
  animation: slide 8s linear infinite;
}
@keyframes slide { to { background-position: 48px 48px; } }

/* Visual 3 — orbit */
.project-visual-3 {
  background: radial-gradient(ellipse at 50% 100%, rgba(134,239,172,0.25), transparent 60%), var(--bg-2);
}
.project-visual-3 .visual-orbit {
  position: absolute; left: 50%; top: 50%;
  width: 70%; aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 1px dashed rgba(255,255,255,0.12);
  border-radius: 50%;
  animation: rotateSlow 20s linear infinite;
}
.project-visual-3 .visual-orbit::before,
.project-visual-3 .visual-orbit::after {
  content: '';
  position: absolute;
  border-radius: 50%;
}
.project-visual-3 .visual-orbit::before {
  width: 24px; height: 24px;
  background: var(--grad);
  top: -12px; left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 30px var(--accent-2);
}
.project-visual-3 .visual-orbit::after {
  width: 12px; height: 12px;
  background: var(--accent-3);
  bottom: 20%; right: 0;
  box-shadow: 0 0 20px var(--accent-3);
}

/* Visual 4 — grid heavy */
.project-visual-4 {
  background: linear-gradient(135deg, rgba(196,181,253,0.18), rgba(253,230,138,0.1)), var(--bg-2);
}
.project-visual-4 .visual-grid-2 {
  position: absolute; inset: 20px;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(5, 1fr);
  gap: 6px;
}
.project-visual-4 .visual-grid-2::before {
  content: '';
  grid-column: 1 / -1; grid-row: 1 / -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: calc(100%/8) calc(100%/5);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
}

.project-body {
  padding: 28px;
}
.project-meta {
  display: flex; gap: 6px; align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.project-title {
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  line-height: 1.25;
}
.project-desc {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 20px;
  line-height: 1.6;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.project-tags span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-dim);
  background: rgba(255,255,255,0.02);
}

/* ============================================================
   Stack
   ============================================================ */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .stack-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .stack-grid { grid-template-columns: 1fr; } }
.stack-card {
  padding: 32px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.5s var(--ease), border-color 0.5s var(--ease), background 0.5s var(--ease);
}
.stack-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--surface-2);
}
.stack-icon {
  font-family: 'Instrument Serif', serif;
  font-size: 40px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
  line-height: 1;
}
.stack-card h4 {
  font-size: 16px; font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.stack-card p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ============================================================
   Contact
   ============================================================ */
.section-contact { text-align: center; }
.contact-inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex; flex-direction: column; align-items: center;
}
.contact-inner .section-num { margin-bottom: 16px; }
.contact-inner .section-num::before { display: none; }
.contact-title {
  font-size: clamp(40px, 8vw, 104px);
  line-height: 1;
  font-weight: 600;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
}
.contact-sub {
  max-width: 520px;
  font-size: clamp(16px, 1.4vw, 18px);
  color: var(--text-dim);
  margin-bottom: 48px;
}
.contact-mail {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: clamp(20px, 2.4vw, 32px);
  font-weight: 500;
  letter-spacing: -0.02em;
  padding: 16px 28px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface);
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease);
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}
.contact-mail::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--grad-soft);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.contact-mail:hover { border-color: var(--text); }
.contact-mail:hover::before { opacity: 1; }
.contact-mail-text, .contact-mail svg { position: relative; z-index: 1; }
.contact-mail svg { transition: transform 0.4s var(--ease); }
.contact-mail:hover svg { transform: translate(4px, -4px); }

.socials {
  display: flex; gap: 14px; flex-wrap: wrap;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--text-mute);
}
.social {
  color: var(--text-dim);
  transition: color 0.3s var(--ease);
}
.social:hover { color: var(--text); }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px clamp(20px, 4vw, 48px);
  margin-top: 40px;
}
.footer-row {
  max-width: var(--container);
  margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-mute);
  flex-wrap: wrap;
  gap: 12px;
}
.back-top { color: var(--text-dim); transition: color 0.3s var(--ease); }
.back-top:hover { color: var(--text); }

/* ============================================================
   Reveal animations
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger inside hero title */
.hero-line { transition-delay: 0s; }
.hero-line:nth-child(2) { transition-delay: 0.08s; }
.hero-line:nth-child(3) { transition-delay: 0.16s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ============================================================
   Inline link
   ============================================================ */
.inline-link {
  position: relative;
  background-image: var(--grad);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
  white-space: nowrap;
  transition: opacity 0.3s var(--ease);
}
.inline-link:hover { opacity: 0.85; }

/* ============================================================
   Curious Machine showcase
   ============================================================ */
.cm-hero {
  position: relative;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(80% 120% at 0% 0%, rgba(196,181,253,0.12), transparent 60%),
    radial-gradient(60% 80% at 100% 100%, rgba(240,171,252,0.10), transparent 60%),
    var(--surface);
  padding: clamp(36px, 6vw, 72px);
  overflow: hidden;
  isolation: isolate;
}
.cm-hero-bg {
  position: absolute; inset: 0;
  pointer-events: none; z-index: -1;
}
.cm-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  will-change: transform;
}
.cm-orb-1 { width: 320px; height: 320px; background: #c4b5fd; top: -120px; left: -100px; animation: float1 24s ease-in-out infinite; }
.cm-orb-2 { width: 380px; height: 380px; background: #f0abfc; bottom: -140px; right: -120px; opacity: 0.32; animation: float2 30s ease-in-out infinite; }
.cm-orb-3 { width: 260px; height: 260px; background: #fde68a; top: 40%; left: 55%; opacity: 0.20; animation: float3 26s ease-in-out infinite; }

.cm-hero-body { position: relative; display: flex; flex-direction: column; gap: 24px; }

.cm-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  align-self: flex-start;
  padding: 8px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}
.cm-pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-4);
  box-shadow: 0 0 0 0 rgba(134, 239, 172, 0.6);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(134, 239, 172, 0.5); }
  50%      { box-shadow: 0 0 0 10px rgba(134, 239, 172, 0); }
}

.cm-title {
  font-size: clamp(40px, 7vw, 92px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  display: flex; flex-wrap: wrap; gap: 0.25em;
}
.cm-title .hero-italic {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
}

.cm-lead {
  max-width: 64ch;
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--text-dim);
  line-height: 1.7;
}

.cm-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 8px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
@media (max-width: 720px) { .cm-stats { grid-template-columns: repeat(2, 1fr); } }
.cm-stats > div {
  display: flex; flex-direction: column; gap: 4px;
}
.cm-stats strong {
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  background-image: var(--grad);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cm-stats span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.cm-actions {
  display: flex; flex-wrap: wrap; gap: 14px;
}

.cm-pillars {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 820px) { .cm-pillars { grid-template-columns: 1fr; } }
.cm-pillar {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.025);
  display: flex; flex-direction: column; gap: 8px;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease), transform 0.4s var(--ease);
}
.cm-pillar:hover {
  border-color: var(--border-strong);
  background: var(--surface-2);
  transform: translateY(-3px);
}
.cm-pillar-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 0.12em;
}
.cm-pillar h4 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.cm-pillar p {
  font-size: 13.5px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ============================================================
   Work groups (Courses + Projects)
   ============================================================ */
.work-group {
  display: flex; flex-direction: column; gap: 28px;
}
.work-group + .work-group { margin-top: 64px; }

.work-head {
  display: flex; flex-direction: column; gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.work-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
}
.work-blurb {
  font-size: 14.5px;
  color: var(--text-dim);
  max-width: 70ch;
  line-height: 1.6;
}

/* Tag chips inside research-card */
.card-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: auto; padding-top: 14px;
}
.card-tags span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Three-column grid for the courses/projects rows on wider screens */
@media (min-width: 1100px) {
  #work .research-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ============================================================
   Card link strip (DOIs, repos, press)
   ============================================================ */
.card-links {
  display: flex; flex-wrap: wrap; gap: 14px;
  font-size: 13px;
  padding-top: 4px;
}
.card-links .inline-link { font-weight: 500; }