/* ===== Neural Obsidian — Veeraj Sai Portfolio ===== */
:root {
  --bg: #07070a;
  --bg-raised: #0d0d12;
  --bg-glass: rgba(255, 255, 255, 0.025);
  --hairline: rgba(255, 255, 255, 0.08);
  --hairline-strong: rgba(255, 255, 255, 0.14);
  --ink: #f4f3ef;
  --ink-dim: #a5a39c;
  --ink-faint: #595852;
  --cyan: oklch(0.84 0.13 210);
  --cyan-glow: oklch(0.84 0.13 210 / 0.35);
  --amber: oklch(0.82 0.14 70);
  --amber-glow: oklch(0.82 0.14 70 / 0.35);
  --serif: "Instrument Serif", "Cormorant Garamond", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --sans: "Inter Tight", "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--cyan-glow); color: var(--ink); }

/* ===== Global background ===== */
.bg-fixed {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1200px 800px at 80% -10%, oklch(0.84 0.13 210 / 0.12), transparent 60%),
    radial-gradient(1000px 700px at -10% 30%, oklch(0.82 0.14 70 / 0.07), transparent 60%),
    radial-gradient(800px 600px at 50% 110%, oklch(0.84 0.13 210 / 0.08), transparent 60%),
    var(--bg);
}
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.06) 1px, transparent 0);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 100% 80% at 50% 30%, #000 30%, transparent 80%);
  opacity: 0.6;
}
.bg-noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='3'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ===== Cursor halo ===== */
.cursor {
  position: fixed;
  width: 360px; height: 360px;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  background: radial-gradient(circle, oklch(0.84 0.13 210 / 0.18), transparent 60%);
  mix-blend-mode: screen;
  filter: blur(20px);
  transform: translate(-50%, -50%);
  transition: opacity 0.4s;
  opacity: 0;
}
.cursor.on { opacity: 1; }

/* ===== Scroll progress ===== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  width: 0%;
  z-index: 100;
  box-shadow: 0 0 12px var(--cyan-glow);
}

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 18px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 6px;
  padding: 6px 8px;
  background: rgba(13, 13, 18, 0.65);
  backdrop-filter: blur(20px) saturate(120%);
  -webkit-backdrop-filter: blur(20px) saturate(120%);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  z-index: 60;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.nav a {
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--ink-dim);
  text-decoration: none;
  transition: color 0.25s, background 0.25s;
  white-space: nowrap;
}
.nav a:hover { color: var(--ink); }
.nav a.active {
  color: var(--ink);
  background: rgba(255,255,255,0.06);
}
.nav .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan-glow);
  align-self: center;
  margin: 0 6px 0 8px;
  animation: pulse 2s infinite ease-in-out;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* ===== Cmd K hint ===== */
.cmdk-trigger {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 60;
  background: rgba(13,13,18,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--hairline);
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--ink-dim);
  font-family: var(--mono);
  font-size: 11px;
  display: flex; align-items: center; gap: 10px;
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s, transform 0.25s;
}
.cmdk-trigger:hover { color: var(--ink); border-color: var(--hairline-strong); transform: translateY(-2px); }
.cmdk-trigger kbd {
  font-family: var(--mono);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--hairline);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
}

/* ===== Cmd K palette ===== */
.cmdk-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 14vh;
}
.cmdk-overlay.open { display: flex; }
.cmdk-panel {
  width: min(560px, 92vw);
  background: rgba(13,13,18,0.95);
  border: 1px solid var(--hairline-strong);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04) inset;
}
.cmdk-input {
  width: 100%;
  background: transparent;
  color: var(--ink);
  border: 0;
  outline: 0;
  padding: 18px 20px;
  font-family: var(--sans);
  font-size: 15px;
  border-bottom: 1px solid var(--hairline);
}
.cmdk-input::placeholder { color: var(--ink-faint); }
.cmdk-list { max-height: 60vh; overflow-y: auto; padding: 8px; }
.cmdk-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--ink-dim);
  font-size: 14px;
}
.cmdk-item .k {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  margin-left: auto;
}
.cmdk-item:hover, .cmdk-item.sel {
  background: rgba(255,255,255,0.05);
  color: var(--ink);
}
.cmdk-item .ico {
  width: 18px; height: 18px;
  display: grid; place-items: center;
  color: var(--cyan);
}

/* ===== Layout primitives ===== */
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
section { position: relative; padding: 110px 0; }
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--ink-faint);
}
.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 4.6vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin-top: 14px;
  text-wrap: balance;
}
.section-title em {
  font-style: italic;
  background: linear-gradient(135deg, var(--ink), var(--cyan) 60%, var(--amber));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.section-sub {
  margin-top: 16px;
  color: var(--ink-dim);
  font-size: 16px;
  max-width: 620px;
  line-height: 1.55;
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  padding: 110px 0 70px;
  display: grid;
  align-items: center;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center; gap: 10px;
  padding: 6px 12px 6px 8px;
  border: 1px solid var(--hairline);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.hero-tag .signal {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: oklch(0.78 0.18 145);
  box-shadow: 0 0 10px oklch(0.78 0.18 145 / 0.6);
  animation: pulse 1.6s infinite;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 6.4vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin-top: 22px;
  text-wrap: balance;
}
.hero h1 .it { font-style: italic; color: var(--ink-dim); }
.hero h1 .grad {
  background: linear-gradient(135deg, #f4f3ef 0%, var(--cyan) 70%, var(--amber));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero-sub {
  margin-top: 24px;
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--ink-dim);
  max-width: 520px;
}
.hero-sub strong { color: var(--ink); font-weight: 500; }
.hero-chips {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 26px;
}
.chip {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: var(--bg-glass);
  color: var(--ink-dim);
  display: inline-flex; align-items: center; gap: 8px;
  transition: color 0.25s, border-color 0.25s, transform 0.25s;
}
.chip:hover { color: var(--ink); border-color: var(--hairline-strong); transform: translateY(-1px); }
.chip .num { color: var(--cyan); font-weight: 500; }

.hero-ctas {
  margin-top: 32px;
  display: flex; flex-wrap: wrap;
  gap: 10px;
}
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 20px;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--hairline);
  background: var(--bg-glass);
  color: var(--ink);
  transition: transform 0.25s, border-color 0.25s, background 0.25s;
  position: relative;
}
.btn:hover { border-color: var(--hairline-strong); background: rgba(255,255,255,0.05); }
.btn.primary {
  background: linear-gradient(135deg, var(--ink), #d8d6cf);
  color: #0a0a0d;
  border-color: transparent;
}
.btn.primary:hover { box-shadow: 0 8px 30px rgba(255,255,255,0.18); }
.btn .arr { transition: transform 0.25s; }
.btn:hover .arr { transform: translateX(3px); }

.hero-meta {
  margin-top: 44px;
  display: flex; gap: 24px; flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero-meta a { color: var(--ink-dim); text-decoration: none; transition: color 0.25s; }
.hero-meta a:hover { color: var(--cyan); }

/* ===== Hero portrait ===== */
.portrait-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4/5;
  max-width: 380px;
  margin: 0 auto;
  justify-self: center;
}
.portrait-frame {
  position: relative;
  width: 100%; height: 100%;
  border-radius: 24px;
  overflow: hidden;
  background: var(--bg-raised);
  border: 1px solid var(--hairline-strong);
  z-index: 2;
}
.portrait-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: contrast(1.05) saturate(0.85) brightness(0.92);
  transition: filter 0.6s;
}
.portrait-wrap:hover .portrait-frame img { filter: contrast(1.08) saturate(1.05) brightness(1); }
.portrait-frame::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.55) 100%),
    radial-gradient(circle at 30% 0%, transparent, rgba(0,0,0,0.35));
  pointer-events: none;
}
.portrait-overlay {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.portrait-overlay .corner { position: absolute; opacity: 0.8; }
.portrait-overlay .corner.tl { top: 12px; left: 14px; color: var(--cyan); }
.portrait-overlay .corner.tr { top: 12px; right: 14px; color: var(--ink-dim); }
.portrait-overlay .corner.bl { bottom: 14px; left: 14px; color: var(--ink-dim); }
.portrait-overlay .corner.br { bottom: 14px; right: 14px; color: var(--amber); }
.portrait-overlay .crosshair {
  position: absolute;
  width: 28px; height: 28px;
}
.portrait-overlay .crosshair::before, .portrait-overlay .crosshair::after {
  content: ""; position: absolute; background: rgba(255,255,255,0.5);
}
.portrait-overlay .crosshair::before { left: 0; right: 0; top: 50%; height: 1px; }
.portrait-overlay .crosshair::after { top: 0; bottom: 0; left: 50%; width: 1px; }

.portrait-aura {
  position: absolute;
  inset: -40px;
  border-radius: 30px;
  background:
    conic-gradient(from 90deg, transparent, oklch(0.84 0.13 210 / 0.25), transparent 30%, oklch(0.82 0.14 70 / 0.18), transparent 60%, oklch(0.84 0.13 210 / 0.25), transparent);
  filter: blur(40px);
  z-index: 0;
  animation: spin 14s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.portrait-ring {
  position: absolute;
  inset: -16px;
  border-radius: 28px;
  border: 1px dashed rgba(255,255,255,0.15);
  z-index: 1;
  animation: spin 60s linear infinite reverse;
}
.portrait-ring::before, .portrait-ring::after {
  content: "";
  position: absolute;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan-glow);
}
.portrait-ring::before { top: -4px; left: 30%; }
.portrait-ring::after { bottom: -4px; right: 25%; background: var(--amber); box-shadow: 0 0 12px var(--amber-glow); }

.float-badge {
  position: absolute;
  z-index: 5;
  background: rgba(13,13,18,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--hairline-strong);
  padding: 10px 14px;
  border-radius: 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink);
  letter-spacing: 0.04em;
  display: flex; align-items: center; gap: 10px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  animation: float 5s ease-in-out infinite;
}
.float-badge .lbl { color: var(--ink-faint); font-size: 9px; text-transform: uppercase; letter-spacing: 0.12em; display: block; }
.float-badge .val { color: var(--cyan); font-size: 14px; font-weight: 500; }
.float-badge.b1 { top: 6%; left: -52px; animation-delay: 0s; }
.float-badge.b2 { bottom: 14%; left: -42px; animation-delay: 1.5s; }
.float-badge.b3 { top: 36%; right: -48px; animation-delay: 3s; }
.float-badge.b3 .val { color: var(--amber); }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ===== About ===== */
.about-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
.about-bio {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-dim);
}
.about-bio p + p { margin-top: 18px; }
.about-bio strong { color: var(--ink); font-weight: 500; }
.about-tabs {
  margin-top: 28px;
  display: flex; flex-wrap: wrap; gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.about-tabs span {
  padding: 5px 10px;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  color: var(--ink-dim);
}

.build-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.build-card {
  position: relative;
  border: 1px solid var(--hairline);
  background: linear-gradient(180deg, var(--bg-glass), transparent);
  border-radius: 16px;
  padding: 24px;
  overflow: hidden;
  transition: border-color 0.4s, transform 0.4s;
}
.build-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,0.05), transparent 40%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.build-card:hover { border-color: var(--hairline-strong); transform: translateY(-3px); }
.build-card:hover::before { opacity: 1; }
.build-card .num {
  font-family: var(--mono);
  color: var(--ink-faint);
  font-size: 11px;
  letter-spacing: 0.1em;
}
.build-card h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  font-size: 26px;
  margin-top: 24px;
  line-height: 1.1;
}
.build-card p {
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--ink-dim);
  line-height: 1.5;
}
.build-card .pill {
  display: inline-block;
  margin-top: 18px;
  padding: 4px 8px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--cyan);
  border: 1px solid var(--cyan-glow);
  border-radius: 4px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.build-card:nth-child(2) .pill { color: var(--amber); border-color: var(--amber-glow); }
.build-card:nth-child(4) .pill { color: var(--amber); border-color: var(--amber-glow); }

/* ===== Metrics ===== */
.metrics-wrap {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
}
.metric {
  padding: 26px 22px;
  border-right: 1px solid var(--hairline);
  position: relative;
}
.metric:last-child { border-right: 0; }
.metric .v {
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, #f4f3ef, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.metric .l {
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  line-height: 1.4;
}
.metric:nth-child(2) .v, .metric:nth-child(5) .v {
  background: linear-gradient(180deg, #f4f3ef, var(--amber));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ===== Projects ===== */
.proj-list { margin-top: 44px; }
.proj {
  display: grid;
  grid-template-columns: 56px 1.5fr 0.8fr;
  gap: 36px;
  padding: 44px 0;
  border-top: 1px solid var(--hairline);
  position: relative;
  cursor: default;
  transition: padding 0.5s;
  align-items: center;
}
.proj:last-child { border-bottom: 1px solid var(--hairline); }
.proj::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, oklch(0.84 0.13 210 / 0.05), transparent);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}
.proj:hover::before { opacity: 1; }
.proj .idx {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
}
.proj .body h3 {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  transition: color 0.4s;
}
.proj:hover .body h3 .grad {
  background: linear-gradient(135deg, var(--ink), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.proj .body h3 .grad { color: var(--ink); transition: all 0.4s; }
.proj .role {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.proj .summary {
  color: var(--ink-dim);
  font-size: 14.5px;
  line-height: 1.6;
  max-width: 540px;
}
.proj .stack {
  margin-top: 18px;
  display: flex; flex-wrap: wrap; gap: 6px;
}
.proj .stack span {
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 8px;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  color: var(--ink-dim);
}
.proj .results {
  margin-top: 22px;
  display: flex; gap: 24px;
}
.proj .results .r {
  border-left: 1px solid var(--hairline-strong);
  padding-left: 12px;
}
.proj .results .r .n {
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1;
  color: var(--ink);
}
.proj .results .r .t {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  margin-top: 6px;
}
.proj .links { margin-top: 22px; display: flex; gap: 14px; flex-wrap: wrap; }
.proj .links a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--hairline-strong);
  transition: color 0.25s, border-color 0.25s;
}
.proj .links a:hover { color: var(--cyan); border-color: var(--cyan); }

.proj .visual {
  aspect-ratio: 4/3;
  max-width: 320px;
  width: 100%;
  margin-left: auto;
  border-radius: 12px;
  border: 1px solid var(--hairline);
  overflow: hidden;
  position: relative;
  background: var(--bg-raised);
}
.proj .visual::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 70%, rgba(0,0,0,0.4));
  pointer-events: none;
}

/* per-project visuals */
.viz-wind {
  background:
    linear-gradient(180deg, oklch(0.25 0.05 220), oklch(0.12 0.04 220) 70%, #0a0a10);
  position: relative;
}
.viz-counter {
  background: oklch(0.18 0.04 280);
  position: relative;
}
.viz-crypto {
  background: oklch(0.16 0.03 30);
  position: relative;
}
.viz-eeg {
  background: oklch(0.14 0.04 320);
  position: relative;
}
.viz-solar {
  background: oklch(0.18 0.05 80);
  position: relative;
}
.viz-label {
  position: absolute;
  top: 14px; left: 14px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink);
  background: rgba(0,0,0,0.55);
  padding: 4px 8px;
  border-radius: 4px;
  letter-spacing: 0.08em;
  z-index: 3;
}
.viz-readout {
  position: absolute;
  bottom: 14px; left: 14px; right: 14px;
  display: flex; justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-dim);
  z-index: 3;
}
.viz-readout span:first-child { color: var(--cyan); }

/* Wind viz */
.wind-svg { width: 100%; height: 100%; display: block; }

/* ===== Experience timeline ===== */
.timeline {
  margin-top: 48px;
  position: relative;
  padding-left: 32px;
  max-width: 820px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 5px; top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--hairline-strong) 10%, var(--hairline-strong) 90%, transparent);
}
.tl-item {
  position: relative;
  padding: 14px 0 42px;
}
.tl-item::before {
  content: "";
  position: absolute;
  left: -32px; top: 22px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--bg-raised);
  border: 1px solid var(--hairline-strong);
}
.tl-item.active::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0,0,0,0.5), 0 0 14px var(--cyan-glow);
}
.tl-date {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.tl-role {
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.1;
  margin-top: 6px;
}
.tl-where {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cyan);
  margin-top: 6px;
  letter-spacing: 0.04em;
}
.tl-body {
  margin-top: 12px;
  color: var(--ink-dim);
  font-size: 14.5px;
  line-height: 1.6;
  max-width: 620px;
}
.tl-body ul { margin-top: 10px; padding-left: 18px; }
.tl-body li { margin-top: 6px; }

/* ===== Skills galaxy ===== */
.skills-wrap {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.galaxy {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 460px;
  margin: 0 auto;
}
.galaxy .core {
  position: absolute;
  inset: 38% 38%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--cyan), oklch(0.4 0.12 210) 60%, transparent);
  filter: blur(2px);
  box-shadow: 0 0 60px var(--cyan-glow), inset 0 0 20px rgba(255,255,255,0.3);
  animation: pulse 4s infinite ease-in-out;
}
.galaxy .core::after {
  content: "AI/ML";
  position: absolute;
  inset: 0;
  display: grid; place-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #fff;
  text-shadow: 0 0 10px rgba(0,0,0,0.7);
}
.orbit {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px dashed rgba(255,255,255,0.07);
  animation: spin 60s linear infinite;
}
.orbit.o2 { inset: 14%; animation-duration: 45s; animation-direction: reverse; }
.orbit.o3 { inset: 28%; animation-duration: 30s; }

.galaxy .node {
  position: absolute;
  font-family: var(--mono);
  font-size: 11px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(13,13,18,0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--hairline-strong);
  color: var(--ink);
  letter-spacing: 0.04em;
  white-space: nowrap;
  transform: translate(-50%, -50%);
  transition: all 0.3s;
  cursor: default;
}
.galaxy .node:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 16px var(--cyan-glow);
  transform: translate(-50%, -50%) scale(1.08);
  z-index: 5;
}
.galaxy .node.acc { color: var(--amber); border-color: var(--amber-glow); }

.skills-cats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.skill-cat {
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 18px;
  background: var(--bg-glass);
}
.skill-cat h4 {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: 12px;
}
.skill-cat ul { list-style: none; }
.skill-cat li {
  font-size: 13px;
  color: var(--ink-dim);
  padding: 3px 0;
}
.skill-cat li strong { color: var(--ink); font-weight: 500; }

/* ===== Research spotlight ===== */
.research {
  margin-top: 48px;
  border: 1px solid var(--hairline-strong);
  border-radius: 20px;
  padding: 40px;
  background:
    radial-gradient(800px 400px at 100% 0%, oklch(0.84 0.13 210 / 0.08), transparent 60%),
    radial-gradient(600px 400px at 0% 100%, oklch(0.82 0.14 70 / 0.06), transparent 60%),
    rgba(13,13,18,0.6);
  position: relative;
  overflow: hidden;
}
.research .stamp {
  position: absolute; top: 32px; right: 32px;
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-faint);
  border: 1px solid var(--hairline);
  padding: 6px 10px;
  border-radius: 4px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.research h3 {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 720px;
  margin-top: 14px;
}
.research-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.research-text { color: var(--ink-dim); font-size: 14.5px; line-height: 1.65; }
.research-text p + p { margin-top: 12px; }
.research-text strong { color: var(--ink); font-weight: 500; }

.research-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 24px;
}
.research-meta .k {
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 14px;
}
.research-meta .k .v {
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1;
}
.research-meta .k .l {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  margin-top: 8px;
}

.arch-diagram {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 24px;
  font-family: var(--mono);
  font-size: 11px;
}
.arch-row {
  display: flex; align-items: center; gap: 10px;
  margin: 8px 0;
}
.arch-node {
  flex: 1;
  text-align: center;
  padding: 10px 8px;
  border-radius: 8px;
  border: 1px solid var(--hairline-strong);
  color: var(--ink);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), transparent);
}
.arch-node.cyan { color: var(--cyan); border-color: var(--cyan-glow); }
.arch-node.amber { color: var(--amber); border-color: var(--amber-glow); }
.arch-arrow { color: var(--ink-faint); }
.arch-label {
  font-size: 10px;
  color: var(--ink-faint);
  text-align: center;
  margin: 14px 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===== Recruiter ===== */
.fit-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}
.fit {
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 22px;
  background: var(--bg-glass);
  transition: border-color 0.3s, transform 0.3s;
}
.fit:hover { border-color: var(--hairline-strong); transform: translateY(-3px); }
.fit .role-name {
  font-family: var(--serif);
  font-size: 22px;
  font-style: italic;
}
.fit .role-sub {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cyan);
  margin-top: 6px;
  letter-spacing: 0.06em;
}
.fit ul { list-style: none; margin-top: 18px; }
.fit li {
  font-size: 13px;
  color: var(--ink-dim);
  padding: 4px 0 4px 18px;
  position: relative;
  line-height: 1.45;
}
.fit li::before {
  content: "→";
  position: absolute; left: 0;
  color: var(--cyan);
}

/* ===== Contact ===== */
.contact-card {
  margin-top: 48px;
  border: 1px solid var(--hairline-strong);
  border-radius: 20px;
  padding: 56px 40px;
  background:
    radial-gradient(600px 400px at 80% 0%, oklch(0.84 0.13 210 / 0.1), transparent 60%),
    rgba(13,13,18,0.5);
  text-align: left;
  position: relative;
  overflow: hidden;
}
.contact-card h3 {
  font-family: var(--serif);
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin-top: 8px;
}
.contact-card h3 em {
  font-style: italic;
  background: linear-gradient(135deg, var(--ink), var(--cyan), var(--amber));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.contact-card .sub {
  margin-top: 18px;
  color: var(--ink-dim);
  font-size: 15.5px;
  line-height: 1.6;
  max-width: 560px;
}
.contact-card .links {
  margin-top: 32px;
  display: flex; flex-wrap: wrap;
  gap: 10px;
}
.contact-card .meta {
  margin-top: 32px;
  display: flex; gap: 28px; flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
}
.contact-card .meta a { color: var(--ink-dim); text-decoration: none; transition: color 0.25s; }
.contact-card .meta a:hover { color: var(--cyan); }

/* Footer */
footer {
  padding: 32px;
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-top: 1px solid var(--hairline);
}
footer span { color: var(--cyan); }

/* ===== Reveal animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s cubic-bezier(0.2,0.7,0.2,1), transform 0.9s cubic-bezier(0.2,0.7,0.2,1);
}
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 60px; }
  .portrait-wrap { max-width: 380px; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .skills-wrap { grid-template-columns: 1fr; gap: 48px; }
  .research-grid { grid-template-columns: 1fr; }
  .metrics-wrap { grid-template-columns: repeat(3, 1fr); }
  .metric:nth-child(3) { border-right: 0; }
  .metric:nth-child(1), .metric:nth-child(2), .metric:nth-child(3) { border-bottom: 1px solid var(--hairline); }
  .fit-grid { grid-template-columns: 1fr 1fr; }
  .proj { grid-template-columns: 60px 1fr; }
  .proj .visual { grid-column: 1 / -1; margin-top: 24px; max-width: 480px; margin-left: 0; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 22px; }
  section { padding: 100px 0; }
  .nav { padding: 4px 6px; gap: 2px; max-width: 96vw; overflow-x: auto; }
  .nav a { padding: 8px 10px; font-size: 10px; }
  .nav .dot { display: none; }
  .build-cards { grid-template-columns: 1fr; }
  .metrics-wrap { grid-template-columns: repeat(2, 1fr); }
  .metric { padding: 24px 18px; }
  .metric .v { font-size: 42px; }
  .metric:nth-child(2n) { border-right: 0; }
  .metric:nth-child(-n+4) { border-bottom: 1px solid var(--hairline); }
  .skills-cats { grid-template-columns: 1fr; }
  .fit-grid { grid-template-columns: 1fr; }
  .research { padding: 32px 24px; }
  .contact-card { padding: 40px 24px; }
  .float-badge.b1, .float-badge.b3 { display: none; }
  .float-badge.b2 { left: 12px; bottom: 12px; }
  .cmdk-trigger { display: none; }
  .proj .results { flex-wrap: wrap; }
  .hero { padding-top: 100px; }
  .timeline { padding-left: 24px; }
  .tl-item::before { left: -24px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}