/* ===========================================================
   TechVision Studio — WEB3 / CYBER-INDUSTRIAL theme
   Dark canvas · neon gradient · glass · kinetic type
   =========================================================== */
:root {
  /* tweakable */
  --h1: 196;            /* primary neon hue (cyan)   */
  --h2: 292;            /* secondary neon hue (violet)*/
  --grid-op: 0.55;      /* grid intensity 0..1        */
  --glow-op: 0.55;      /* ambient glow intensity     */
  --font-head: 'Chakra Petch', sans-serif;

  --font-body: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --bg:    oklch(0.165 0.035 270);
  --bg-2:  oklch(0.125 0.03 272);
  --ink:   oklch(0.965 0.012 250);
  --muted: oklch(0.70 0.035 268);
  --faint: oklch(0.56 0.03 268);
  --line:  oklch(1 0 0 / 0.10);
  --line-2:oklch(1 0 0 / 0.05);

  --c1: oklch(0.82 0.16 var(--h1));   /* neon 1 */
  --c2: oklch(0.70 0.21 var(--h2));   /* neon 2 */
  --c1-dim: oklch(0.82 0.16 var(--h1) / 0.16);
  --c2-dim: oklch(0.70 0.21 var(--h2) / 0.16);
  --accent: var(--c1);

  --grad: linear-gradient(110deg, var(--c1), var(--c2));
  --grad-soft: linear-gradient(110deg, oklch(0.82 0.16 var(--h1) / .14), oklch(0.70 0.21 var(--h2) / .14));

  --glass: oklch(1 0 0 / 0.035);
  --glass-2: oklch(1 0 0 / 0.06);
  --radius: 16px;
  --shadow: 0 30px 70px -40px oklch(0.05 0.04 270 / 0.9);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: var(--font-head); line-height: 1.08; margin: 0; text-wrap: balance; font-weight: 600; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; }
::selection { background: oklch(0.82 0.16 var(--h1) / 0.30); color: #fff; }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 32px; position: relative; }

/* ===================== ambient layers ===================== */
.fx-grid, .fx-glow, .fx-noise, #fx-canvas, .fx-spot {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
}
/* perspective grid floor */
.fx-grid {
  background:
    linear-gradient(oklch(0.82 0.16 var(--h1) / 0.07) 1px, transparent 1px) 0 0 / 46px 46px,
    linear-gradient(90deg, oklch(0.82 0.16 var(--h1) / 0.07) 1px, transparent 1px) 0 0 / 46px 46px;
  opacity: var(--grid-op);
  mask-image: radial-gradient(ellipse 120% 75% at 50% -10%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 120% 75% at 50% -10%, #000 0%, transparent 78%);
  animation: gridDrift 24s linear infinite;
}
@keyframes gridDrift { to { background-position: 0 46px, 46px 0; } }

/* drifting neon glow blobs */
.fx-glow {
  background:
    radial-gradient(40% 50% at 14% 8%, oklch(0.70 0.21 var(--h2) / 0.40), transparent 70%),
    radial-gradient(45% 55% at 88% 14%, oklch(0.82 0.16 var(--h1) / 0.34), transparent 72%),
    radial-gradient(50% 60% at 60% 100%, oklch(0.70 0.21 var(--h2) / 0.26), transparent 75%);
  opacity: var(--glow-op);
  filter: blur(20px);
  animation: glowFloat 26s ease-in-out infinite alternate;
}
@keyframes glowFloat {
  0%   { transform: translate3d(0,0,0) scale(1); }
  50%  { transform: translate3d(-3%, 2%, 0) scale(1.08); }
  100% { transform: translate3d(2%, -2%, 0) scale(1.04); }
}
#fx-canvas { z-index: 0; opacity: 0.9; }

/* cursor spotlight */
.fx-spot {
  z-index: 1;
  background: radial-gradient(260px 260px at var(--mx, 50%) var(--my, -100px),
              oklch(0.82 0.16 var(--h1) / 0.10), transparent 70%);
  transition: opacity .4s;
}
/* fine noise + scanlines */
.fx-noise {
  z-index: 2; opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
body::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 3;
  background: repeating-linear-gradient(0deg, transparent 0 3px, oklch(0 0 0 / 0.10) 3px 4px);
  opacity: 0.30; mix-blend-mode: multiply;
}
main, header, footer { position: relative; z-index: 4; }

/* ===================== nav ===================== */
.nav {
  position: sticky; top: 0; z-index: 50;
  padding: 14px 0;
}
.nav-inner {
  display: flex; align-items: center; gap: 24px;
  height: 58px; padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: oklch(0.165 0.035 270 / 0.62);
  backdrop-filter: blur(16px) saturate(140%);
  box-shadow: 0 20px 50px -34px oklch(0.05 0.04 270 / 0.9);
}
.logo {
  font-family: var(--font-mono); font-weight: 700; font-size: 14px;
  letter-spacing: 0.02em; text-decoration: none;
  display: flex; align-items: center; gap: 11px; white-space: nowrap;
}
.logo-mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: var(--grad); color: #04121a;
  display: grid; place-items: center;
  font-size: 12px; font-weight: 700;
  box-shadow: 0 0 18px oklch(0.82 0.16 var(--h1) / 0.5);
}
.nav-links { display: flex; gap: 2px; margin-left: auto; }
.nav-links a {
  text-decoration: none; font-family: var(--font-mono); font-size: 12.5px;
  letter-spacing: 0.02em; color: var(--muted);
  padding: 8px 13px; border-radius: 999px; position: relative;
  transition: color .18s, background .18s;
}
.nav-links a:hover { color: var(--ink); background: var(--c1-dim); }
.lang-switch {
  display: flex; border: 1px solid var(--line); border-radius: 999px;
  overflow: hidden; font-family: var(--font-mono); font-size: 12px;
}
.lang-switch button {
  border: 0; background: transparent; color: var(--muted);
  padding: 7px 12px; cursor: pointer; font: inherit;
  transition: background .18s, color .18s;
}
.lang-switch button.active { background: var(--grad); color: #04121a; font-weight: 700; }
.lang-switch button:not(.active):hover { background: var(--c1-dim); color: var(--ink); }

/* ===================== hero ===================== */
.hero { position: relative; }
.hero-inner {
  position: relative;
  display: grid; grid-template-columns: 1.3fr 0.92fr; gap: 56px;
  align-items: center; padding: 92px 32px 104px;
}
.eyebrow {
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.26em;
  color: var(--c1); text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 12px; margin-bottom: 26px;
  padding: 7px 14px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--glass); backdrop-filter: blur(6px);
}
.eyebrow .dot-live {
  width: 7px; height: 7px; border-radius: 50%; background: var(--c1);
  box-shadow: 0 0 0 0 oklch(0.82 0.16 var(--h1) / 0.7);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 oklch(0.82 0.16 var(--h1) / 0.65); }
  70% { box-shadow: 0 0 0 8px oklch(0.82 0.16 var(--h1) / 0); }
  100% { box-shadow: 0 0 0 0 oklch(0.82 0.16 var(--h1) / 0); }
}
.hero h1 {
  font-size: clamp(48px, 7.2vw, 92px); font-weight: 700;
  letter-spacing: -0.02em; line-height: 0.96; margin-bottom: 24px;
  text-transform: uppercase;
}
.hero h1 .g1 {
  display: block;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 26px oklch(0.82 0.16 var(--h1) / 0.35));
}
.hero h1 .g2 { display: block; color: var(--ink); }
/* glitch */
.glitch { position: relative; }
.glitch::before, .glitch::after {
  content: attr(data-text); position: absolute; inset: 0;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  clip-path: inset(0 0 0 0);
}
@media (prefers-reduced-motion: no-preference) {
  .glitch::before { animation: glx 5.5s infinite steps(2,end); transform: translateX(-2px); opacity: .8; }
  .glitch::after  { animation: glx 5.5s infinite steps(2,end) reverse; transform: translateX(2px); opacity: .8; }
}
@keyframes glx {
  0%,92%,100% { clip-path: inset(0 0 100% 0); }
  93% { clip-path: inset(20% 0 55% 0); }
  95% { clip-path: inset(60% 0 12% 0); }
  97% { clip-path: inset(34% 0 40% 0); }
}
.hero-role { font-family: var(--font-head); font-size: clamp(18px,2vw,23px); font-weight: 500; color: var(--ink); margin-bottom: 16px; max-width: 32ch; }
.hero-sub { color: var(--muted); max-width: 52ch; margin-bottom: 18px; }
.hero-founder {
  font-family: var(--font-mono); font-size: 13px; color: var(--c1);
  margin-bottom: 34px; display: flex; align-items: center; gap: 9px;
}
.hero-founder::before { content: "//"; opacity: 0.55; }
.cta-row { display: flex; gap: 13px; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-weight: 600; font-size: 13.5px;
  letter-spacing: 0.04em; text-transform: uppercase;
  padding: 14px 24px; border-radius: 999px;
  text-decoration: none; position: relative;
  transition: transform .18s, box-shadow .18s, background .18s, border-color .18s;
}
.btn-primary { background: var(--grad); color: #04121a; box-shadow: 0 0 0 0 oklch(0.82 0.16 var(--h1) / 0.5), 0 14px 34px -16px oklch(0.82 0.16 var(--h1) / 0.7); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 26px oklch(0.82 0.16 var(--h1) / 0.55), 0 18px 40px -16px oklch(0.82 0.16 var(--h1) / 0.7); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); background: var(--glass); backdrop-filter: blur(6px); }
.btn-ghost:hover { border-color: var(--c1); color: var(--c1); background: var(--c1-dim); }
.hero-loc {
  margin-top: 30px; font-family: var(--font-mono); font-size: 12.5px; color: var(--faint);
  display: inline-flex; align-items: center; gap: 8px;
}
.hero-loc .dot-live { width: 8px; height: 8px; border-radius: 50%; background: oklch(0.80 0.18 150); box-shadow: 0 0 10px oklch(0.80 0.18 150 / 0.7); }

/* nameplate -> holographic data console */
.nameplate {
  position: relative;
  background: linear-gradient(160deg, oklch(1 0 0 / 0.06), oklch(1 0 0 / 0.02));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-family: var(--font-mono); font-size: 13px;
  overflow: hidden; backdrop-filter: blur(14px);
}
.nameplate::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0.55; pointer-events: none;
}
.nameplate-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 15px 20px; border-bottom: 1px solid var(--line);
  background: var(--grad-soft);
  letter-spacing: 0.16em; font-size: 10.5px; color: var(--c1);
}
.nameplate-head .screws { display: flex; gap: 6px; }
.screw { width: 8px; height: 8px; border-radius: 50%; background: var(--c1); box-shadow: 0 0 8px oklch(0.82 0.16 var(--h1) / 0.7); }
.screw:nth-child(2) { background: var(--c2); box-shadow: 0 0 8px oklch(0.70 0.21 var(--h2) / 0.7); }
.nameplate-row {
  display: grid; grid-template-columns: 92px 1fr; gap: 14px;
  padding: 12px 20px; border-bottom: 1px solid var(--line-2);
}
.nameplate-row:last-child { border-bottom: 0; }
.nameplate-row .k { color: var(--faint); font-size: 10.5px; letter-spacing: 0.12em; padding-top: 2px; }
.nameplate-row .v { color: var(--ink); }
.nameplate-row .v .hl, .nameplate-row .v.hl { color: var(--c1); font-weight: 700; }

/* ===================== sections ===================== */
section { padding: 96px 0; position: relative; }
.sec-head { margin-bottom: 50px; max-width: 760px; }
.sec-eyebrow {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.24em;
  text-transform: uppercase; color: var(--c1); margin-bottom: 16px;
  display: flex; gap: 12px; align-items: center;
}
.sec-eyebrow .num {
  color: #04121a; background: var(--grad); padding: 3px 8px; border-radius: 6px;
  font-weight: 700; letter-spacing: 0.05em;
}
.sec-head h2 { font-size: clamp(30px, 4vw, 46px); font-weight: 700; letter-spacing: -0.015em; text-transform: uppercase; }
.sec-head h2 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sec-intro { color: var(--muted); max-width: 60ch; margin-top: 16px; }

/* glass card base */
.glass {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
}

/* about */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: start; }
.about-col { display: grid; gap: 22px; }
.about-text { font-size: 20px; line-height: 1.65; }
.about-text-2 { font-size: 16.5px; color: var(--muted); }
.fact-list { display: grid; gap: 0; overflow: hidden; }
.fact {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 15px 22px; border-bottom: 1px solid var(--line-2);
  font-size: 14.5px; font-family: var(--font-mono);
}
.fact:last-child { border-bottom: 0; }
.fact .fk { color: var(--faint); }
.fact .fv { color: var(--ink); text-align: right; font-weight: 500; }

/* services */
.svc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.svc {
  padding: 30px; overflow: hidden; transition: transform .25s, border-color .25s, box-shadow .25s;
  transform-style: preserve-3d;
}
.svc::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; opacity: 0;
  background: radial-gradient(420px 200px at var(--cx,50%) var(--cy,0%), var(--c1-dim), transparent 60%);
  transition: opacity .3s; pointer-events: none;
}
.svc:hover { border-color: oklch(0.82 0.16 var(--h1) / 0.4); box-shadow: 0 24px 60px -36px oklch(0.82 0.16 var(--h1) / 0.6); }
.svc:hover::after { opacity: 1; }
.svc-glyph {
  width: 46px; height: 46px; border-radius: 13px;
  background: var(--grad-soft); border: 1px solid var(--line);
  margin-bottom: 22px; display: grid; place-items: center;
}
.svc-glyph i { display: block; background: var(--grad); box-shadow: 0 0 12px oklch(0.82 0.16 var(--h1) / 0.6); }
.glyph-square { width: 15px; height: 15px; border-radius: 3px; }
.glyph-circle { width: 15px; height: 15px; border-radius: 50%; }
.glyph-diamond { width: 14px; height: 14px; border-radius: 3px; transform: rotate(45deg); }
.glyph-bar { width: 17px; height: 6px; border-radius: 3px; box-shadow: 0 9px 0 var(--c1); margin-bottom: 9px; }
.svc h3 { font-size: 21px; font-weight: 600; margin-bottom: 11px; }
.svc p { color: var(--muted); font-size: 15.5px; position: relative; }

/* skills marquee */
.skill-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 26px; }
.skill-group { padding: 26px 28px; }
.skill-group h3 {
  font-family: var(--font-mono); font-weight: 500; font-size: 11.5px;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--c1);
  margin-bottom: 18px; display: flex; align-items: center; gap: 10px;
}
.skill-group h3::before { content: ""; width: 16px; height: 1px; background: var(--grad); }
.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chip {
  font-family: var(--font-mono); font-size: 13px; font-weight: 500;
  background: var(--glass); color: var(--ink);
  border: 1px solid var(--line);
  padding: 7px 14px; border-radius: 999px;
  transition: border-color .18s, color .18s, background .18s;
}
.chip:hover { border-color: var(--c1); color: var(--c1); background: var(--c1-dim); }

.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); padding: 16px 0; }
.marquee-track { display: flex; gap: 18px; width: max-content; animation: scrollx 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-family: var(--font-mono); font-size: 14px; letter-spacing: 0.04em; color: var(--faint);
  display: inline-flex; align-items: center; gap: 18px; white-space: nowrap;
}
.marquee-track span::after { content: "◆"; color: var(--c1); font-size: 8px; }
@keyframes scrollx { to { transform: translateX(-50%); } }

/* timeline */
.timeline { display: grid; gap: 0; position: relative; max-width: 800px; }
.t-item { position: relative; padding: 0 0 46px 42px; }
.t-item::before {
  content: ""; position: absolute; left: 7px; top: 10px; bottom: -6px;
  width: 1px; background: linear-gradient(var(--c1), var(--c2)); opacity: 0.4;
}
.t-item:last-child::before { display: none; }
.t-item::after {
  content: ""; position: absolute; left: 0; top: 7px;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--c1);
  box-shadow: 0 0 0 4px oklch(0.82 0.16 var(--h1) / 0.12), 0 0 14px oklch(0.82 0.16 var(--h1) / 0.6);
}
.t-when { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--c1); margin-bottom: 9px; }
.t-item h3 { font-size: 22px; font-weight: 600; margin-bottom: 5px; }
.t-org { color: var(--muted); font-weight: 500; font-size: 15px; margin-bottom: 14px; font-family: var(--font-mono); }
.t-item ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 15.5px; display: grid; gap: 8px; }
.t-item ul li::marker { color: var(--c1); }
.t-item p.t-desc { color: var(--muted); font-size: 15.5px; }

/* featured case */
.case {
  display: grid; grid-template-columns: 1fr 1.05fr;
  overflow: hidden; margin-bottom: 24px; position: relative;
}
.case::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0.5; pointer-events: none; z-index: 3;
}
.case-media { border-right: 1px solid var(--line); background: var(--bg-2); display: flex; flex-direction: column; }
.case-media video.main { width: 100%; flex: 1; min-height: 360px; object-fit: cover; display: block; }
.case-extra { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border-top: 1px solid var(--line); }
.case-extra video, .case-extra img { width: 100%; height: 138px; object-fit: cover; display: block; background: #000; }
.case-body { padding: 38px; display: flex; flex-direction: column; gap: 18px; }
.case-body h3 { font-size: 26px; font-weight: 700; }
.case-body > p { color: var(--muted); font-size: 15.5px; }
.case-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.cstat { border: 1px solid var(--line); border-radius: 12px; padding: 14px; background: var(--glass); }
.cstat .cs-v { font-family: var(--font-head); font-weight: 700; font-size: 22px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; }
.cstat .cs-k { font-size: 11.5px; color: var(--faint); line-height: 1.35; display: block; margin-top: 4px; }
.case-body ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 15px; display: grid; gap: 10px; }
.case-body ul li::marker { color: var(--c1); }
.case-links { display: flex; flex-wrap: wrap; gap: 10px; }
.code-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12.5px;
  border: 1px solid var(--c1); border-radius: 999px;
  background: var(--c1-dim); color: var(--c1);
  padding: 9px 15px; text-decoration: none; font-weight: 500;
  transition: background .18s, box-shadow .18s;
}
.code-link:hover { box-shadow: 0 0 20px oklch(0.82 0.16 var(--h1) / 0.4); }
.code-link .gh { font-size: 10.5px; opacity: 0.75; }

/* tags */
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 4px; }
.tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em;
  color: var(--faint); border: 1px solid var(--line);
  padding: 4px 10px; border-radius: 999px;
}

/* project cards */
.proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.proj {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
.proj:hover { border-color: oklch(0.82 0.16 var(--h1) / 0.4); box-shadow: 0 24px 60px -36px oklch(0.82 0.16 var(--h1) / 0.55); transform: translateY(-3px); }
.proj image-slot { width: 100%; height: 178px; display: block; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.proj-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  background: var(--grad); color: #04121a; font-weight: 700;
  padding: 5px 11px; border-radius: 999px;
  box-shadow: 0 0 16px oklch(0.82 0.16 var(--h1) / 0.5);
}
.proj-body { padding: 24px; display: flex; flex-direction: column; gap: 11px; flex: 1; }
.proj h3 { font-size: 18.5px; font-weight: 600; }
.proj p { color: var(--muted); font-size: 14.5px; flex: 1; }

/* contact */
.contact-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: start; }
.contact h2 { font-size: clamp(32px, 4.4vw, 52px); font-weight: 700; letter-spacing: -0.015em; margin-bottom: 18px; text-transform: uppercase; }
.contact h2 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.contact .sec-intro { margin-top: 0; margin-bottom: 30px; }
.contact-cards { display: grid; gap: 12px; }
.contact-card {
  display: flex; align-items: center; gap: 16px;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--glass);
  padding: 17px 20px; text-decoration: none;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.contact-card:hover { border-color: var(--c1); background: var(--c1-dim); box-shadow: 0 0 24px -6px oklch(0.82 0.16 var(--h1) / 0.4); }
.contact-card .cc-k { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); width: 64px; flex-shrink: 0; }
.contact-card .cc-v { font-weight: 500; font-size: 16px; font-family: var(--font-mono); }
.social-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.social {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 13px;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 10px 18px; text-decoration: none; color: var(--ink);
  background: var(--glass);
  transition: border-color .2s, color .2s, background .2s;
}
.social:hover { border-color: var(--c1); color: var(--c1); background: var(--c1-dim); }
.social .arrow { color: var(--c1); }

footer {
  border-top: 1px solid var(--line);
  padding: 30px 0;
  font-family: var(--font-mono); font-size: 12px; color: var(--faint);
}
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* burger */
.burger {
  display: none; width: 42px; height: 42px;
  border: 1px solid var(--line); border-radius: 11px;
  background: var(--glass); cursor: pointer; flex-shrink: 0;
}
.burger i { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; box-shadow: 0 -6px 0 var(--ink), 0 6px 0 var(--ink); margin: 0 auto; }

/* reveal */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
  .reveal.in { opacity: 1; transform: none; }
}

/* ===================== responsive ===================== */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; padding: 56px 32px 72px; }
  .about-grid, .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .svc-grid, .skill-groups { grid-template-columns: 1fr; }
  .proj-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .lang-switch { margin-left: auto; }
  .burger { display: grid; place-items: center; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; gap: 2px; margin-left: 0;
    position: absolute; top: 80px; left: 16px; right: 16px;
    background: oklch(0.165 0.035 270 / 0.95); border: 1px solid var(--line);
    border-radius: 18px; padding: 16px; backdrop-filter: blur(16px);
  }
  .nav.open .nav-links a { padding: 13px; font-size: 15px; }
  .case { grid-template-columns: 1fr; }
  .case-media { border-right: 0; border-bottom: 1px solid var(--line); }
  .case-media video.main { min-height: 0; height: 320px; }
  .case-body { padding: 28px; }
  .case-stats { grid-template-columns: repeat(2, 1fr); }
  section { padding: 66px 0; }
}