/* ════════════════════════════════════════════════════════════════
   PORTFOLIO v3 — OLED Glass Design System
   Sora / Space Grotesk / JetBrains Mono · GSAP scroll choreography
   ════════════════════════════════════════════════════════════════ */

:root{
  --bg: #050506;
  --bg-2: #0a0b0d;
  --bg-3: #101216;
  --ink: #ffffff;
  --ink-dim: #c6ced8;
  --ink-faint: #7e8b97;
  --line: rgba(244,246,248,.10);
  --line-2: rgba(244,246,248,.20);
  --glass: rgba(255,255,255,.035);
  --glass-2: rgba(255,255,255,.06);
  --acc: #7dddfc;
  --acc-2: #bfa2ff;
  --acc-glow: rgba(125,221,252,.18);
  --ember: #ffd38a;
  --ease: cubic-bezier(.16,1,.3,1);
  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 28px;
  --r-xl: 40px;
  --font-d: 'Outfit', 'Space Grotesk', system-ui, sans-serif;
  --font-b: 'DM Sans', 'Space Grotesk', system-ui, sans-serif;
  --font-m: 'JetBrains Mono', ui-monospace, monospace;
  --nav-h: 76px;
  --shell: 1280px;
  --sec-pad: clamp(90px, 12vw, 170px);
}

[data-theme="light"]{
  --bg: #f4f5f7;
  --bg-2: #eceff3;
  --bg-3: #e4e8ee;
  --ink: #0b1015;
  --ink-dim: #3b4a59;
  --ink-faint: #66737f;
  --line: rgba(14,20,25,.12);
  --line-2: rgba(14,20,25,.22);
  --glass: rgba(255,255,255,.6);
  --glass-2: rgba(255,255,255,.9);
  --acc: #0891c4;
  --acc-2: #7c5cbf;
  --acc-glow: rgba(8,145,196,.14);
  --ember: #d97706;
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; overflow-x:clip; }
body{
  font-family: var(--font-b);
  font-size: 16.5px;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.lock{ overflow:hidden; height:100vh; }
::selection{ background: var(--acc); color:#050506; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; color:inherit; background:none; border:none; cursor:pointer; }
img{ max-width:100%; display:block; }
ul{ list-style:none; }

/* fine grain over everything */
body::after{
  content:""; position:fixed; inset:0; z-index:120; pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity:.02;
}

/* soft vignette — darkens edges + center behind text for contrast */
body::before{
  content:""; position:fixed; inset:0; z-index:1; pointer-events:none;
  background:
    radial-gradient(120% 95% at 50% 6%, transparent 42%, rgba(0,0,0,.5) 100%),
    radial-gradient(95% 75% at 50% 45%, rgba(5,5,6,.82), transparent 72%);
}
[data-theme="light"] body::before{
  background:
    radial-gradient(120% 95% at 50% 6%, transparent 46%, rgba(15,23,32,.14) 100%),
    radial-gradient(95% 75% at 50% 45%, rgba(244,245,247,.78), transparent 72%);
}

.skip-link{
  position:fixed; top:-60px; left:16px; z-index:300; padding:10px 16px;
  background:var(--bg-3); color:var(--ink); border:1px solid var(--line-2);
  border-radius:999px; font-size:13px; transition:top .3s var(--ease);
}
.skip-link:focus{ top:16px; }

.container{
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}
main{ position:relative; z-index:2; }

/* ═══════════ 3D BACKDROP ═══════════ */
#bgCanvas{ position:fixed; inset:0; z-index:0; width:100vw; height:100vh; pointer-events:none; opacity:.42; }
[data-theme="light"] #bgCanvas{ opacity:.16; }

/* ═══════════ SCROLLBAR ═══════════ */
#scrollbar{ position:fixed; top:0; left:0; height:2px; width:100%; z-index:150; background:transparent; }
#scrollbarFill{ display:block; height:100%; width:0;
  background:linear-gradient(90deg, var(--acc), var(--acc-2)); box-shadow:0 0 12px var(--acc-glow); }

/* ═══════════ PRELOADER ═══════════ */
#preloader{
  position:fixed; inset:0; z-index:200; display:flex; align-items:center; justify-content:center;
  background:var(--bg); transition:opacity .8s var(--ease), visibility .8s;
}
#preloader.done{ opacity:0; visibility:hidden; }
.loader-inner{ width:min(340px,80vw); text-align:center; }
.loader-mark{
  font-family:var(--font-d); font-weight:800; font-size:44px; letter-spacing:.02em;
  color:var(--ink);
}
.loader-mark::after{ content:"·"; color:var(--acc); }
.loader-line{ height:2px; background:var(--line-2); border-radius:99px; margin:22px 0 12px; overflow:hidden; }
.loader-line span{ display:block; height:100%; width:0;
  background:linear-gradient(90deg,var(--acc),var(--acc-2)); }
.loader-meta{
  display:flex; justify-content:space-between;
  font-family:var(--font-m); font-size:11px; letter-spacing:.14em;
  text-transform:uppercase; color:var(--ink-faint);
}

/* ═══════════ NAV — floating island ═══════════ */
#nav{ position:fixed; inset:0 0 auto 0; z-index:100; display:flex; justify-content:center; padding:14px clamp(12px,3vw,28px) 0; }
.nav-island{
  display:flex; align-items:center; justify-content:space-between; gap:18px;
  width:100%; max-width:1180px;
  padding:9px 14px 9px 12px;
  background:var(--glass); border:1px solid var(--line);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border-radius:999px;
  transition: background .5s var(--ease), border-color .5s, box-shadow .5s, padding .5s var(--ease);
}
#nav.scrolled .nav-island{
  background:color-mix(in srgb, var(--bg) 78%, transparent);
  border-color:var(--line-2); box-shadow:0 18px 50px -20px rgba(0,0,0,.55);
}
.nav-logo{ display:flex; align-items:center; gap:10px; font-size:14px; white-space:nowrap; }
.logo-sq{
  display:inline-flex; align-items:center; justify-content:center;
  width:34px; height:34px; border-radius:10px; flex:none;
  font-family:var(--font-d); font-weight:800; font-size:13px; color:#050506;
  background:linear-gradient(135deg, var(--acc), var(--acc-2));
}
.logo-txt b{ font-weight:600; }
.nav-links{ display:flex; gap:4px; align-items:center; margin:0 auto; }
.nav-links a{
  padding:8px 14px; border-radius:999px; font-size:13.5px; color:var(--ink-dim);
  transition:color .3s, background .3s; position:relative;
}
.nav-links a:hover{ color:var(--ink); background:var(--glass-2); }
.nav-right{ display:flex; align-items:center; gap:10px; }
.btn-sm{ padding:8px 16px !important; font-size:13px !important; }
.theme-toggle{
  width:36px; height:36px; border-radius:50%; display:inline-flex; align-items:center; justify-content:center;
  color:var(--ink-dim); border:1px solid var(--line); background:var(--glass);
  transition:color .3s,border-color .3s,transform .3s var(--ease);
}
.theme-toggle:hover{ color:var(--acc); border-color:var(--acc); transform:rotate(20deg); }
.theme-toggle svg{ width:17px; height:17px; }
.theme-toggle .icon-moon{ display:none; }
[data-theme="light"] .theme-toggle .icon-sun{ display:none; }
[data-theme="light"] .theme-toggle .icon-moon{ display:block; }

/* burger */
.burger{ display:none; width:44px; height:44px; border-radius:50%; border:1px solid var(--line); background:var(--glass); position:relative; flex:none; }
.burger span{ position:absolute; left:12px; right:12px; height:1.8px; background:var(--ink); transition:.4s var(--ease); }
.burger span:nth-child(1){ top:17px; }
.burger span:nth-child(2){ top:25px; }
.burger.active span:nth-child(1){ top:21.3px; transform:rotate(45deg); }
.burger.active span:nth-child(2){ top:21.3px; transform:rotate(-45deg); }

/* ═══════════ BUTTONS ═══════════ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:14px 26px; border-radius:999px; font-size:14.5px; font-weight:600;
  transition:transform .35s var(--ease), box-shadow .35s, background .35s, color .35s, border-color .35s;
  will-change:transform; position:relative;
}
.btn:active{ transform:scale(.97); }
.btn-solid{
  background:linear-gradient(135deg, var(--acc), var(--acc-2)); color:#050506;
  box-shadow:0 10px 30px -10px var(--acc-glow);
}
.btn-solid:hover{ box-shadow:0 16px 40px -10px var(--acc-glow); }
.btn-ghost{ border:1px solid var(--line-2); color:var(--ink); background:var(--glass); }
.btn-ghost:hover{ border-color:var(--acc); color:var(--acc); }
.btn-ico{
  display:inline-flex; align-items:center; justify-content:center; width:22px; height:22px;
  border-radius:50%; background:rgba(5,5,6,.14); font-size:12px;
  transition:transform .35s var(--ease);
}
.btn-solid:hover .btn-ico{ transform:translate(2px,-2px); }
.btn-xl{ padding:18px 34px; font-size:16px; }

/* ═══════════ HERO ═══════════ */
#hero{
  position:relative; min-height:100vh; min-height:100dvh;
  display:flex; align-items:center;
  padding: calc(var(--nav-h) + 40px) 0 80px;
  overflow:hidden;
}
.hero-ambience{ position:absolute; inset:0; z-index:-1; pointer-events:none; }
.hero-grid-lines{
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 25%, transparent 64%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 25%, transparent 64%);
  opacity:.22;
}
.orb{ position:absolute; border-radius:50%; opacity:.16; }
.orb.o1{ width:520px; height:520px; left:-120px; top:-80px; background:radial-gradient(circle, var(--acc), transparent 62%); }
.orb.o2{ width:480px; height:480px; right:-140px; top:20%; background:radial-gradient(circle, var(--acc-2), transparent 62%); opacity:.13; }
.orb.o3{ width:420px; height:420px; left:30%; bottom:-200px; background:radial-gradient(circle, var(--ember), transparent 62%); opacity:.09; }

.hero-inner{ width:100%; max-width:var(--shell); margin:0 auto; padding:0 clamp(20px,5vw,48px); }
.hero-badge{
  display:inline-flex; align-items:center; gap:8px;
  padding:7px 16px; border-radius:999px; font-size:12.5px; font-weight:500;
  color:var(--ink-dim); border:1px solid var(--line-2); background:var(--glass);
  backdrop-filter:blur(10px);
  margin-bottom:28px;
}
.pulse-dot{ width:7px; height:7px; border-radius:50%; background:#4ade80; position:relative; }
.pulse-dot::after{
  content:""; position:absolute; inset:-4px; border-radius:50%;
  border:1.5px solid #4ade80; animation:pulse 2s infinite;
}
@keyframes pulse{ 0%{transform:scale(.6);opacity:1} 100%{transform:scale(1.8);opacity:0} }

.hero-title{
  font-family:var(--font-d); font-weight:800;
  font-size: clamp(40px, 8.2vw, 108px);
  line-height:1.02; letter-spacing:-.025em;
  margin-bottom:26px; perspective:900px;
}
.hero-title .line{ display:block; overflow:hidden; }
.hero-title .line-2{ background:linear-gradient(180deg, var(--ink) 0%, var(--acc) 160%); -webkit-background-clip:text; background-clip:text; color:transparent; }
.grad-c{
  background:linear-gradient(120deg, var(--acc), var(--acc-2));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

.word-mask{ display:inline-block; overflow:hidden; vertical-align:bottom; padding-bottom:.08em; margin-bottom:-.08em; }
.word-in{ display:inline-block; transform:translateY(120%); opacity:.25; will-change:transform; }
.split-ready .word-in{ transform:translateY(120%); opacity:.25; }

.hero-sub{ max-width:640px; margin-bottom:34px; }
.hero-role-strip{
  display:flex; align-items:center; gap:10px; margin-bottom:14px;
  font-family:var(--font-m); font-size:13px; letter-spacing:.16em;
  text-transform:uppercase; color:var(--acc); height:22px;
}
.hero-marker{ color:var(--acc); animation:blink 1.1s step-end infinite; }
@keyframes blink{ 50%{opacity:0} }
.hero-sub p{ font-size:17.5px; color:var(--ink-dim); max-width:54ch; }

.hero-ctas{ display:flex; flex-wrap:wrap; gap:16px; margin-bottom:42px; }

.hero-meta{ display:flex; flex-wrap:wrap; align-items:flex-end; gap:26px; }
.hero-stats{ display:flex; gap:26px; }
.hero-stat b{
  display:block; font-family:var(--font-d); font-weight:800; font-size:28px; line-height:1.05;
}
.hero-stat span{ font-family:var(--font-m); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-faint); }
.hero-socials{ display:flex; flex-wrap:wrap; gap:8px; }
.soc-chip{
  display:inline-flex; align-items:center; gap:7px; padding:7px 13px;
  border-radius:999px; font-size:12.5px; color:var(--ink-dim);
  border:1px solid var(--line); background:var(--glass);
  transition:color .3s, border-color .3s, transform .3s var(--ease);
}
.soc-chip:hover{ color:var(--acc); border-color:var(--acc); transform:translateY(-2px); }
.soc-ic{ font-size:14px; line-height:1; display:inline-flex; }

.hero-scroll{ position:absolute; bottom:26px; left:50%; transform:translateX(-50%); display:flex; align-items:center; gap:12px; }
.sc-text{ font-family:var(--font-m); font-size:10px; letter-spacing:.28em; text-transform:uppercase; color:var(--ink-faint); }
.sc-track{ width:1px; height:44px; background:var(--line-2); position:relative; overflow:hidden; display:block; }
.sc-track i{ position:absolute; top:-100%; left:0; width:100%; height:100%; background:var(--acc); animation:scrollcue 2.2s infinite; }
@keyframes scrollcue{ 0%{top:-100%} 55%{top:100%} 100%{top:100%} }

/* ═══════════ MARQUEE ═══════════ */
#tech-strip{ position:relative; padding:30px 0; border-block:1px solid var(--line); overflow:hidden; background:var(--bg-2); }
.marquee{
  display:flex; width:max-content; white-space:nowrap;
  animation:marquee 42s linear infinite;
  font-family:var(--font-d); font-weight:700;
  will-change:transform;
}
.marquee-2{ animation-duration:58s; animation-direction:reverse; opacity:.5; margin-top:4px; }
.marquee-1 span{ font-size:clamp(30px,4vw,52px); letter-spacing:-.01em; color:transparent; -webkit-text-stroke:1px var(--line-2); }
.marquee-1 .mq-star{ -webkit-text-stroke:0; color:var(--acc); }
.mq-item{ display:inline-flex; align-items:center; gap:26px; padding:0 14px; }
.mq-star{ font-size:.5em; vertical-align:middle; }
@keyframes marquee{ to{ transform:translateX(-50%);} }

/* ═══════════ SECTION SCAFFOLD ═══════════ */
.sec{ position:relative; padding-block:var(--sec-pad); }
.sec > .container, .proj-head.container{ position:relative; z-index:2; }
.eyebrow{
  font-family:var(--font-m); font-size:12px; letter-spacing:.24em; text-transform:uppercase;
  color:var(--acc); margin-bottom:22px;
}
.sec-title{
  font-family:var(--font-d); font-weight:800;
  font-size: clamp(34px, 5.4vw, 72px);
  line-height:1.04; letter-spacing:-.025em; margin-bottom:38px;
}
.txt-grad{
  background:linear-gradient(100deg, var(--acc), var(--acc-2));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.sec-head-row{ display:flex; align-items:flex-end; justify-content:space-between; gap:40px; margin-bottom:70px; flex-wrap:wrap; }
.sec-head-row .sec-title{ margin-bottom:0; }
.sec-desc{ max-width:440px; color:var(--ink-dim); font-size:17px; }

/* ═══════════ ABOUT ═══════════ */
.about-grid{ display:grid; grid-template-columns: 1.05fr .95fr; gap:80px; align-items:start; }
.about-blocks{ display:flex; flex-direction:column; gap:34px; margin-top:10px; }
.a-block{ border-left:2px solid var(--line-2); padding-left:24px; transition:border-color .35s, transform .35s var(--ease); }
.a-block:hover{ border-color:var(--acc); transform:translateX(4px); }
.a-label{
  display:block; font-family:var(--font-m); font-size:11px; letter-spacing:.2em;
  text-transform:uppercase; color:var(--ink-faint); margin-bottom:10px;
  transition:color .35s;
}
.a-label::before{ content:'✳ '; color:var(--acc-2); }
.a-block:hover .a-label{ color:var(--acc); }
.a-block p{ color:var(--ink-dim); font-size:17px; }
.a-block p strong{ color:var(--ink); font-weight:700; }

.about-right{ display:flex; flex-direction:column; gap:36px; position:sticky; top:110px; }
.photo-frame{
  border-radius:var(--r-lg); border:1px solid var(--line-2); background:var(--glass);
  padding:10px; position:relative; transform-style:preserve-3d; will-change:transform;
}
.pf-inner{ border-radius:calc(var(--r-lg) - 8px); overflow:hidden; position:relative; aspect-ratio:4/4.4; }
.pf-inner img{ width:100%; height:100%; object-fit:cover; filter:saturate(.9) contrast(1.05); transform:scale(1.01); }
.pf-tag{
  position:absolute; left:12px; bottom:12px; padding:7px 12px; border-radius:999px;
  font-family:var(--font-m); font-size:11px; color:var(--ink);
  background:rgba(5,5,6,.55); border:1px solid var(--line-2); backdrop-filter:blur(8px);
  pointer-events:none;
}
.tilt-sheen{ position:absolute; inset:0; border-radius:inherit; pointer-events:none; opacity:0; transition:opacity .4s; z-index:2; }

.about-stats{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.about-stat{
  padding:20px 18px; border-radius:var(--r-md); border:1px solid var(--line);
  background:var(--glass);
}
.about-stat b{ display:block; font-family:var(--font-d); font-weight:800; font-size:30px; margin-bottom:6px; }
.about-stat span{ font-family:var(--font-m); font-size:10.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-faint); }

.about-pillars{ margin-top:64px; }
.pillars{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.pillar{
  display:grid;
  grid-template-columns:1fr auto;
  grid-template-rows:auto auto auto;
  align-items:start;
  column-gap:14px; row-gap:16px;
  padding:26px 24px; border-radius:var(--r-md); border:1px solid var(--line);
  background:var(--glass); position:relative; overflow:hidden;
  transition:border-color .35s, transform .35s var(--ease), box-shadow .35s var(--ease), background .35s;
  --pillar-ac:#7DDDFC; --pillar-glow:rgba(125,221,252,.14);
}
.pillar:nth-child(2){ --pillar-ac:#F6BE3C; --pillar-glow:rgba(246,190,60,.14); }
.pillar:nth-child(3){ --pillar-ac:#BFA2FF; --pillar-glow:rgba(191,162,255,.17); }
.pillar:hover{
  border-color:var(--pillar-ac); transform:translateY(-4px);
  box-shadow:0 30px 60px -34px var(--pillar-glow);
  background:linear-gradient(180deg, var(--glass-2), var(--glass));
}
.pillar:active{ transform:scale(.99); }
.pillar-idx{
  grid-column:1; grid-row:1;
  font-family:var(--font-d); font-weight:800; font-size:24px; line-height:1;
  color:transparent; -webkit-text-stroke:1px var(--line-2);
  transition:color .35s, -webkit-text-stroke .35s;
}
.pillar:hover .pillar-idx{ color:var(--pillar-ac); -webkit-text-stroke:0; }
.pillar-arrow{
  grid-column:2; grid-row:1; justify-self:end;
  font-family:var(--font-d); font-size:19px; color:var(--line-2); margin-top:4px;
  transition:color .35s, transform .35s var(--ease);
}
.pillar:hover .pillar-arrow{ color:var(--pillar-ac); transform:translate(4px,-4px); }
.pillar-ic{
  grid-column:1; grid-row:2;
  width:54px; height:54px; border-radius:16px; display:inline-flex; align-items:center; justify-content:center;
  font-family:var(--font-m); font-size:17px;
  background:var(--bg-3); border:1px solid var(--line-2);
  transition:transform .45s var(--ease), border-color .35s, box-shadow .35s;
}
.pillar:hover .pillar-ic{
  transform:scale(1.1) rotate(-6deg);
  border-color:var(--pillar-ac); box-shadow:0 0 0 6px var(--pillar-glow);
}
.pillar-body{ grid-column:1/-1; grid-row:3; }
.pillar-body h4{ font-size:16.5px; font-weight:700; line-height:1.3; transition:color .35s; }
.pillar:hover .pillar-body h4{ color:var(--pillar-ac); }
.pillar-body p{ font-size:13.5px; color:var(--ink-faint); line-height:1.55; max-width:54ch; margin-top:5px; }
.pillar-rule{ position:absolute; left:24px; right:24px; bottom:0; height:2px; border-radius:2px; background:var(--line); }
.pillar-rule i{
  display:block; height:100%; border-radius:2px; transform:scaleX(0); transform-origin:left;
  background:linear-gradient(90deg, var(--pillar-ac), transparent);
  transition:transform .5s var(--ease);
}
.pillar:hover .pillar-rule i{ transform:scaleX(1); }

/* ═══════════ SNAPSHOT ═══════════ */
.snap-intro{ margin-bottom:60px; }
.snap-stage{ perspective:1200px; }
.snap-visor{
  border-radius:var(--r-xl); border:1px solid var(--line-2);
  background:linear-gradient(180deg, var(--glass-2), var(--glass));
  padding: clamp(28px, 4vw, 60px);
  position:relative; overflow:hidden; transform-style:preserve-3d; will-change:transform;
}
.snap-visor::before{
  content:""; position:absolute; inset:-1px; border-radius:inherit; padding:1px;
  background:linear-gradient(120deg, var(--acc), transparent 40%, transparent 60%, var(--acc-2));
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude; opacity:.5; pointer-events:none;
}
.snap-visor-label{
  font-family:var(--font-m); font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--ink-faint);
  display:flex; align-items:center; gap:8px; margin-bottom:34px;
}
.snap-visor-label::before{ content:"●"; color:#4ade80; font-size:9px; }
.snap-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.snap-cell{
  padding:30px 24px; border-radius:var(--r-lg); background:var(--glass); border:1px solid var(--line);
  position:relative; overflow:hidden; transition:border-color .35s,transform .3s var(--ease);
}
.snap-cell:hover{ border-color:var(--acc-2); transform:translateY(-4px); }
.snap-idx{
  font-family:var(--font-m); font-size:11px; color:var(--ink-faint); letter-spacing:.14em;
}
.snap-cell .big{ display:block; font-size:clamp(34px,4vw,52px); margin:14px 0 6px; }
.snap-label{ display:block; font-size:13px; color:var(--ink-dim); }
.snap-bars{ display:flex; align-items:flex-end; gap:4px; height:42px; margin-top:18px; }
.snap-bars i{
  flex:1; border-radius:3px 3px 0 0; background:linear-gradient(180deg,var(--acc),transparent);
  animation:bars 2.4s ease-in-out infinite; height:40%;
}
@keyframes bars{ 0%,100%{transform:scaleY(.9);opacity:.7} 50%{transform:scaleY(1);opacity:1} }

/* ═══════════ PIPELINE — METHODOLOGY ═══════════ */
.method{ display:grid; grid-template-columns:minmax(0,1fr) minmax(0,.92fr); gap:clamp(32px,5vw,72px); align-items:start; }
.method-rail{ position:relative; }
.method-rail > .pipe-line{
  position:absolute; top:12px; bottom:24px; left:0; height:auto; width:2px;
  border-radius:999px; background:var(--line-2);
}
.pipe-line span{
  position:absolute; top:0; left:0; width:100%; height:100%;
  background:linear-gradient(180deg, var(--acc), var(--acc-2));
  transform:scaleY(0); transform-origin:top; box-shadow:0 0 18px var(--acc-glow);
}
.pipe-node-static{
  position:absolute; left:-10px; width:22px; height:22px; margin-top:-11px;
  border-radius:50%; background:var(--bg); border:2px solid var(--acc);
  box-shadow:0 0 16px var(--acc-glow); color:var(--acc);
  display:flex; align-items:center; justify-content:center; font-size:10px;
  pointer-events:none; z-index:2;
}
.method-stages{ display:flex; flex-direction:column; padding-left:48px; }
.method-stage{
  display:flex; align-items:center; gap:16px; width:100%; text-align:left;
  padding:17px 14px; border-radius:var(--r-md); border:1px solid transparent;
  background:transparent; opacity:.5; cursor:pointer; position:relative;
  transition:opacity .4s, background .4s var(--ease), border-color .4s, transform .4s var(--ease);
}
.method-stage:hover{ opacity:.85; background:var(--glass); }
.method-stage.current{
  opacity:1; transform:translateX(12px);
  background:linear-gradient(90deg, var(--glass-2), var(--glass));
  border-color:var(--line-2);
}
.method-stage .pipe-num{ font-family:var(--font-m); font-size:13px; color:var(--ink-faint); width:20px; flex:none; transition:color .3s; }
.method-stage.current .pipe-num{ color:var(--acc); }
.pipe-ic{
  flex:none; width:44px; height:44px; border-radius:13px;
  display:inline-flex; align-items:center; justify-content:center;
  font-size:18px; background:var(--bg-3); border:1px solid var(--line-2);
  transition:border-color .3s, box-shadow .3s;
}
.method-stage.current .pipe-ic{ border-color:var(--acc); box-shadow:0 0 18px var(--acc-glow); }
.pipe-body{ display:flex; flex-direction:column; min-width:0; flex:1; }
.pipe-body b{ font-family:var(--font-d); font-size:16px; font-weight:700; letter-spacing:-.01em; }
.pipe-body small{ color:var(--ink-faint); font-size:12.5px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.pipe-arrow{ font-family:var(--font-m); color:var(--acc); opacity:0; transform:translateX(-6px); transition:opacity .3s, transform .3s var(--ease); }
.method-stage.current .pipe-arrow{ opacity:1; transform:none; }

.method-view{ position:sticky; top:120px; display:flex; align-items:stretch; }
.method-view > .pipe-line{ flex:none; width:2px; margin-right:clamp(20px,3vw,40px); border-radius:999px; background:var(--line-2); }
.method-panel{
  flex:1; border-radius:var(--r-xl); border:1px solid var(--line-2);
  background:linear-gradient(180deg, var(--glass-2), var(--glass));
  padding:clamp(26px,3vw,44px); position:relative; overflow:hidden;
  touch-action:pan-y;
}
.method-panel::before{
  content:""; position:absolute; right:-90px; top:-90px; width:260px; height:260px;
  border-radius:50%; background:radial-gradient(closest-side, var(--acc-glow), transparent 72%);
  pointer-events:none;
}
.mv-top{ display:flex; align-items:center; gap:14px; margin-bottom:28px; }
.mv-ic{
  flex:none; width:56px; height:56px; border-radius:16px;
  display:inline-flex; align-items:center; justify-content:center;
  font-size:24px; background:var(--bg-3); border:1px solid var(--line-2);
}
.mv-num{ font-family:var(--font-m); font-size:11.5px; letter-spacing:.18em; color:var(--acc); }
.mv-progress{ margin-left:auto; font-family:var(--font-m); font-size:10.5px; letter-spacing:.1em; color:var(--ink-faint); white-space:nowrap; }
.mv-title{ font-family:var(--font-d); font-weight:800; font-size:clamp(28px,3.4vw,40px); letter-spacing:-.02em; margin-bottom:16px; transition:opacity .25s; }
.mv-text{ color:var(--ink-dim); font-size:16.5px; max-width:52ch; min-height:118px; line-height:1.62; }
.mv-tele{ display:flex; align-items:center; gap:16px; margin:28px 0 6px; font-family:var(--font-m); font-size:10px; letter-spacing:.18em; color:var(--ink-faint); }
.mv-bars{ display:flex; align-items:flex-end; gap:3px; height:24px; }
.mv-bars i{
  display:block; width:3px; border-radius:2px; height:70%;
  background:linear-gradient(180deg, var(--acc), transparent 140%);
  animation:tele .85s ease-in-out infinite;
}
.mv-bars i:nth-child(2), .mv-bars i:nth-child(7){ height:45%; animation-delay:.15s; }
.mv-bars i:nth-child(3), .mv-bars i:nth-child(8){ height:90%; animation-delay:.3s; }
.mv-bars i:nth-child(4), .mv-bars i:nth-child(9){ height:55%; animation-delay:.45s; }
.mv-bars i:nth-child(5), .mv-bars i:nth-child(10){ height:100%; animation-delay:.6s; }
@keyframes tele{ 0%,100%{ transform:scaleY(.7); opacity:.55 } 50%{ transform:scaleY(1); opacity:1 } }
.mv-dots{ display:flex; gap:8px; margin:26px 0 30px; }
.mv-dot{
  width:26px; height:5px; border-radius:99px; background:var(--line-2); cursor:pointer;
  transition:background .3s, transform .3s var(--ease);
}
.mv-dot.done{ background:rgba(125,221,252,.4); }
.mv-dot.on{ background:linear-gradient(90deg, var(--acc), var(--acc-2)); transform:scaleX(1.15); }
.mv-dot:hover{ background:var(--acc); }
.mv-nav{ display:flex; gap:10px; align-items:center; border-top:1px solid var(--line); padding-top:24px; }
.mv-btn{
  padding:10px 18px; border-radius:999px; font-size:12.5px; font-weight:600;
  color:var(--ink-dim); border:1px solid var(--line-2); background:var(--glass);
  transition:color .3s, border-color .3s, transform .3s var(--ease);
}
.mv-btn:hover{ color:var(--acc); border-color:var(--acc); transform:translateY(-2px); }
.mv-btn.mv-play{ margin-left:auto; color:var(--acc); }
.mv-btn.mv-play.running{ color:#050506; background:linear-gradient(135deg, var(--acc), var(--acc-2)); border-color:transparent; }
.mv-btn.mv-play.running:hover{ color:#050506; }
.mv-swipe{ font-family:var(--font-m); font-size:10px; letter-spacing:.15em; color:var(--ink-faint); display:none; align-self:center; }
@media (hover:none) and (pointer:coarse){ .mv-swipe{ display:inline-flex; margin-right:2px; } }
.mv-flash::after{
  content:""; position:absolute; inset:0; border-radius:inherit; pointer-events:none;
  background:radial-gradient(70% 70% at 50% 0%, var(--acc-glow), transparent 70%);
  animation:mvflash .55s ease-out;
}
@keyframes mvflash{ 0%{opacity:.9} 100%{opacity:0} }

/* ═══════════ SKILLS ═══════════ */
.skills-masonry{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-bottom:70px; }
.skill-card{
  border-radius:var(--r-lg); border:1px solid var(--line); background:var(--glass);
  padding:26px; position:relative; overflow:hidden; will-change:transform;
  transition:border-color .35s;
}
.skill-card.wide{ grid-column:span 1; background:linear-gradient(160deg, var(--glass-2), var(--glass)); }
.skill-card:hover{ border-color:var(--acc); }
.skill-head{ display:flex; align-items:center; gap:10px; margin-bottom:20px; }
.skill-ic{
  flex:none; width:38px; height:38px; border-radius:12px; display:inline-flex; align-items:center; justify-content:center;
  font-size:15px; color:var(--acc); background:var(--bg-3); border:1px solid var(--line-2);
}
.skill-title{ font-family:var(--font-d); font-weight:700; font-size:16px; letter-spacing:-.01em; }
.skill-num{ margin-left:auto; font-family:var(--font-m); font-size:11px; color:var(--ink-faint); }
.skill-tags{ display:flex; flex-wrap:wrap; gap:8px; }
.skill-tag{
  padding:6px 12px; border-radius:999px; font-size:12.5px; color:var(--ink-dim);
  background:var(--glass); border:1px solid var(--line);
  transition:color .3s,border-color .3s;
}
.skill-tag:hover{ color:var(--acc); border-color:var(--acc); }

.radar-wrap{ margin-top:14px; }
.radar-card{
  display:grid; grid-template-columns: .85fr 1.15fr; gap:40px; align-items:center;
  border-radius:var(--r-xl); border:1px solid var(--line-2); background:var(--glass);
  padding:clamp(28px,4vw,56px); position:relative; overflow:hidden;
}
.radar-card::before{ content:""; position:absolute; inset:0; background:radial-gradient(ellipse 60% 60% at 80% 50%, var(--acc-glow), transparent 70%); pointer-events:none; }
.radar-title{ font-family:var(--font-d); font-weight:700; font-size:clamp(24px,3vw,40px); letter-spacing:-.02em; margin-bottom:16px; }
.radar-sub{ color:var(--ink-dim); max-width:38ch; }
.radar-canvas{ position:relative; }
.radar-canvas canvas{ width:100%; height:auto; }

/* ═══════════ PROJECTS — horizontal ═══════════ */
.proj-sec{ padding-top: var(--sec-pad); }
.proj-head{ display:flex; justify-content:space-between; gap:48px; margin-bottom:60px; flex-wrap:wrap; }
.proj-head-left .sec-title{ margin-bottom:0; }
.proj-head-right{ display:flex; flex-direction:column; gap:22px; align-items:flex-start; max-width:420px; }
.proj-filters{ display:flex; flex-wrap:wrap; gap:8px; }
.proj-filter{
  padding:8px 16px; border-radius:999px; font-size:12.5px; color:var(--ink-dim);
  border:1px solid var(--line); background:var(--glass);
  transition:all .3s var(--ease);
}
.proj-filter:hover{ color:var(--ink); border-color:var(--line-2); }
.proj-filter.active{ background:var(--acc); color:#050506; border-color:var(--acc); font-weight:600; }

.proj-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }
.proj-card{
  border-radius:calc(var(--r-lg) + 4px); border:1px solid var(--line-2); background:var(--glass);
  padding:32px; display:flex; flex-direction:column; gap:16px;
  position:relative; overflow:hidden; will-change:transform;
  transition:border-color .35s, box-shadow .35s, transform .35s var(--ease);
  --glow:rgba(125,221,252,.16);
}
.proj-card::after{
  content:""; position:absolute; right:-110px; top:-110px; width:300px; height:300px;
  border-radius:50%; background:radial-gradient(closest-side, var(--glow), transparent 72%);
  opacity:.55; pointer-events:none;
}
.proj-card[data-c="cyan"]{ --glow:rgba(125,221,252,.16); }
.proj-card[data-c="ember"]{ --glow:rgba(255,197,138,.16); }
.proj-card[data-c="purple"]{ --glow:rgba(191,162,255,.2); }
.proj-card[data-c="green"]{ --glow:rgba(134,245,185,.18); }
.proj-card:hover{ border-color:var(--acc-2); box-shadow: 0 40px 90px -50px rgba(0,0,0,.65); transform:translateY(-4px); }
.proj-card-top{ display:flex; align-items:center; gap:16px; }
.proj-idx{
  font-family:var(--font-d); font-weight:800; font-size:48px; line-height:1;
  color:transparent; -webkit-text-stroke:1px var(--line-2);
}
.proj-ic{
  flex:none; width:42px; height:42px; border-radius:14px;
  display:inline-flex; align-items:center; justify-content:center;
  font-size:18px; background:var(--bg-3); border:1px solid var(--line-2);
}
.proj-cat-tag{
  padding:6px 12px; border-radius:999px; font-family:var(--font-m); font-size:10.5px;
  letter-spacing:.1em; text-transform:uppercase; color:var(--acc); border:1px solid var(--line-2);
  margin-left:auto;
}
.proj-title{ font-family:var(--font-d); font-weight:800; font-size:30px; letter-spacing:-.01em; }
.proj-desc{ color:var(--ink-dim); font-size:15.5px; line-height:1.55; }
.proj-desc.full{ display:none; }
.proj-full{ display:none; }
.proj-full.show{ display:block; }
.proj-more{
  align-self:flex-start; color:var(--acc); font-size:13px; font-weight:600;
  transition:opacity .3s, transform .3s var(--ease);
  min-height:32px;
}
.proj-more:hover{ opacity:.8; transform:translateX(3px); }
.proj-metrics{ display:flex; flex-wrap:wrap; gap:8px; margin-top:auto; }
.proj-metric{ font-size:11.5px; color:var(--ink-faint); padding:5px 10px; border-radius:8px; background:var(--bg-3); }
.proj-tags{ display:flex; flex-wrap:wrap; gap:6px; }
.proj-tag{ font-size:12px; color:var(--ink-faint); }
.proj-tags .proj-tag{ color:var(--ink-faint); }
.proj-links{ display:flex; flex-wrap:wrap; gap:16px; border-top:1px solid var(--line); padding-top:16px; }
.proj-links a{ font-size:13.5px; font-weight:600; color:var(--ink-dim); transition:color .3s; min-height:24px; }
.proj-links a:hover{ color:var(--acc); }

/* ═══════════ AI LAB ═══════════ */
.lab-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.lab-card{
  border-radius:var(--r-lg); border:1px solid var(--line); background:var(--glass);
  padding:28px; position:relative; overflow:hidden; will-change:transform;
  transition:border-color .35s;
}
.lab-card:hover{ border-color:var(--acc-2); }
.lab-status{
  display:inline-flex; align-items:center; gap:8px; margin-bottom:18px;
  padding:6px 12px; border-radius:999px;
  font-family:var(--font-m); font-size:10.5px; letter-spacing:.12em; text-transform:uppercase;
  border:1px solid var(--line-2); color:var(--ink-dim);
}
.lab-status i{ width:6px; height:6px; border-radius:50%; background:var(--ink-faint); }
.lab-status.in-progress{ color:var(--acc); } .lab-status.in-progress i{ background:var(--acc); animation:pulse 1.6s infinite; }
.lab-status.learning{ color:var(--ember); } .lab-status.learning i{ background:var(--ember); }
.lab-status.studied{ color:#4ade80; } .lab-status.studied i{ background:#4ade80; }
.lab-status.exploring{ color:var(--acc-2); } .lab-status.exploring i{ background:var(--acc-2); }
.lab-card h3{ font-family:var(--font-d); font-size:17px; font-weight:700; margin-bottom:10px; letter-spacing:-.01em; }
.lab-card p{ color:var(--ink-dim); font-size:14px; }

/* ═══════════ EXPERIENCE ═══════════ */
.xp-rail{ display:flex; flex-direction:column; }
.xp-entry{ display:grid; grid-template-columns:120px 1fr; gap:clamp(20px,4vw,48px); }
.xp-entry .xp-timeline{ display:flex; flex-direction:column; align-items:center; padding-top:8px; }
.xp-dot{
  width:14px; height:14px; border-radius:50%; background:var(--acc);
  box-shadow:0 0 0 5px var(--acc-glow); flex:none;
}
.xp-entry.alt .xp-dot{ background:var(--acc-2); box-shadow:0 0 0 5px rgba(191,162,255,.18); }
.xp-rail-line{ flex:1; width:2px; background:var(--line-2); margin:8px 0 4px; }
.xp-card{
  border-radius:var(--r-lg); border:1px solid var(--line); background:var(--glass);
  padding:30px 32px; margin-bottom:26px; position:relative; overflow:hidden; will-change:transform;
  transition:border-color .35s;
}
.xp-card:hover{ border-color:var(--acc); }
.xp-period{
  display:inline-block; padding:5px 12px; border-radius:999px;
  font-family:var(--font-m); font-size:11px; letter-spacing:.08em; color:var(--acc);
  border:1px solid var(--line-2); margin-bottom:16px;
}
.xp-card h3{ font-family:var(--font-d); font-size:clamp(20px,2.8vw,30px); font-weight:700; letter-spacing:-.01em; }
.xp-company{ color:var(--ink-dim); margin:4px 0 16px; font-size:15px; }
.xp-card ul{ display:flex; flex-direction:column; gap:10px; }
.xp-card li{ color:var(--ink-dim); font-size:14.5px; padding-left:20px; position:relative; }
.xp-card li::before{ content:"▹"; position:absolute; left:0; color:var(--acc); }

/* ═══════════ CREDENTIALS ═══════════ */
.cred-head{ margin-bottom:44px; }
.cred-rows{ display:flex; flex-direction:column; }
.cred-row{
  display:grid; grid-template-columns:60px 1fr auto; gap:24px; align-items:center;
  padding:24px 12px; border-bottom:1px solid var(--line); position:relative;
  transition:padding .35s var(--ease), border-color .35s;
}
.cred-row:hover{ border-color:var(--acc); padding-inline:20px; }
.cred-num{ font-family:var(--font-m); font-size:13px; color:var(--ink-faint); }
.cred-name{ font-family:var(--font-d); font-weight:700; font-size:19px; letter-spacing:-.01em; }
.cred-status{
  font-family:var(--font-m); font-size:11.5px; letter-spacing:.06em;
  text-transform:uppercase; color:var(--acc); white-space:nowrap;
}

/* ═══════════ NOTES ═══════════ */
.notes-cats{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:34px; }
.note-cat{
  padding:8px 18px; border-radius:999px; font-size:13px; color:var(--ink-dim);
  border:1px solid var(--line); background:var(--glass);
  transition:all .3s var(--ease);
}
.note-cat:hover{ color:var(--ink); border-color:var(--line-2); }
.note-cat.active{ background:var(--ink); color:var(--bg); border-color:var(--ink); font-weight:600; }
.notes-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.note-card{
  border-radius:var(--r-lg); border:1px solid var(--line); background:var(--glass);
  padding:26px; position:relative; overflow:hidden; will-change:transform;
  transition:border-color .35s;
}
.note-card:hover{ border-color:var(--acc); }
.note-top{ display:flex; justify-content:space-between; align-items:center; margin-bottom:16px; }
.note-cat-tag{ font-family:var(--font-m); font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--acc); }
.note-time{ font-family:var(--font-m); font-size:11px; color:var(--ink-faint); }
.note-card h3{ font-family:var(--font-d); font-size:18px; font-weight:700; margin-bottom:10px; letter-spacing:-.01em; }
.note-card p{ color:var(--ink-dim); font-size:14px; }
.notes-empty{ text-align:center; padding:60px 20px; }
.notes-empty-title{ font-family:var(--font-d); font-weight:700; font-size:24px; margin-bottom:8px; }
.notes-empty-text{ color:var(--ink-dim); }

/* ═══════════ GITHUB ═══════════ */
.gh-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.gh-card{
  border-radius:var(--r-lg); border:1px solid var(--line); background:var(--glass);
  padding:26px; display:block; position:relative; overflow:hidden;
  transition:border-color .35s, transform .35s var(--ease);
}
.gh-card:hover{ border-color:var(--acc); transform:translateY(-4px); }
.gh-head{ display:flex; justify-content:space-between; align-items:center; margin-bottom:14px; gap:12px; }
.gh-name{ font-family:var(--font-m); font-size:15px; font-weight:600; color:var(--acc); word-break:break-all; }
.gh-star{ font-size:12.5px; color:var(--ink-faint); white-space:nowrap; }
.gh-card p{ color:var(--ink-dim); font-size:13.5px; margin-bottom:20px; }
.gh-meta{ display:flex; gap:14px; font-family:var(--font-m); font-size:11px; color:var(--ink-faint); border-top:1px solid var(--line); padding-top:14px; }
.gh-lang{ width:8px; height:8px; border-radius:50%; background:var(--acc); display:inline-block; margin-right:6px; }
.gh-loading{ grid-column:1/-1; text-align:center; color:var(--ink-faint); padding:60px 0; font-family:var(--font-m); font-size:13px; }

/* ═══════════ RESUME ═══════════ */
.resume-sec{ overflow:hidden; }
.resume-panel{
  position:relative; text-align:center; padding: clamp(60px,10vw,130px) 0;
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.resume-echo{
  position:absolute; inset:auto 0 6% 0; pointer-events:none;
  font-family:var(--font-d); font-weight:800; white-space:nowrap;
  font-size: clamp(80px, 17vw, 260px); line-height:1;
  color:transparent; -webkit-text-stroke:1px var(--line); opacity:.5;
}
.resume-title{ font-family:var(--font-d); font-weight:800; font-size:clamp(40px,6vw,84px); letter-spacing:-.02em; line-height:1.06; margin-bottom:36px; position:relative; }
#resumeSmall{ display:block; font-size:.5em; color:var(--ink-dim); font-weight:600; margin-bottom:10px; }
.resume-btns{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; position:relative; }
.resume-sub{ margin-top:26px; color:var(--ink-faint); font-family:var(--font-m); font-size:12px; letter-spacing:.08em; text-transform:uppercase; position:relative; }

/* ═══════════ CONTACT ═══════════ */
.contact-sec{ padding-bottom: clamp(60px,8vw,120px); }
.contact-inner{ display:grid; grid-template-columns:1.1fr .9fr; gap:70px; align-items:center; }
.contact-title{
  font-family:var(--font-d); font-weight:800;
  font-size:clamp(38px,6vw,86px); line-height:1.02; letter-spacing:-.02em; margin-bottom:26px;
}
.contact-note{ color:var(--ink-dim); font-size:17px; max-width:46ch; margin-bottom:28px; }
.contact-badge{
  display:inline-flex; align-items:center; gap:9px; padding:9px 18px; border-radius:999px;
  font-size:13px; color:#050506; font-weight:600; background:linear-gradient(135deg,var(--acc),var(--acc-2));
}
.contact-methods{ display:flex; flex-direction:column; gap:12px; }
.contact-method{
  display:flex; align-items:center; gap:18px; padding:20px 24px;
  border-radius:var(--r-md); border:1px solid var(--line); background:var(--glass);
  position:relative; overflow:hidden; transition:border-color .35s, background .35s;
}
.contact-method:hover{ border-color:var(--acc); }
.cm-ic{
  flex:none; width:46px; height:46px; border-radius:14px; display:inline-flex; align-items:center; justify-content:center;
  font-size:16px; color:var(--acc); background:var(--bg-3); border:1px solid var(--line-2);
}
.contact-method > div{ display:flex; flex-direction:column; }
.cm-label{ font-family:var(--font-m); font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-faint); }
.cm-value{ font-size:15px; font-weight:600; }
.cm-arrow{ margin-left:auto; color:var(--ink-faint); transition:transform .35s var(--ease), color .35s; }
.contact-method:hover .cm-arrow{ transform:translateX(4px); color:var(--acc); }

/* ═══════════ FOOTER ═══════════ */
footer{
  border-top:1px solid var(--line); background:var(--bg-2);
  padding:64px 0 calc(34px + env(safe-area-inset-bottom));
}
.footer-top{ display:flex; justify-content:space-between; align-items:center; gap:30px; flex-wrap:wrap; margin-bottom:50px; }
.footer-brand{ display:flex; align-items:center; gap:12px; font-family:var(--font-d); font-size:20px; font-weight:700; }
.footer-brand .logo-sq{ width:40px; height:40px; font-size:14px; }
.footer-links{ display:flex; gap:22px; flex-wrap:wrap; }
.footer-links a{ font-size:14px; color:var(--ink-dim); transition:color .3s; }
.footer-links a .soc-ic{ font-size:15px; margin-right:6px; }
.footer-links a:hover{ color:var(--acc); }
.footer-bottom{ display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; color:var(--ink-faint); font-size:13px; padding-top:26px; border-top:1px solid var(--line); }
.footer-stack{ font-family:var(--font-m); font-size:12px; }
.footer-admin{
  font-family:var(--font-m); font-size:12px; letter-spacing:.08em; color:var(--ink-faint);
  padding:7px 14px; border-radius:999px; border:1px solid var(--line);
  transition:color .3s, border-color .3s, transform .3s var(--ease);
  min-height:32px;
}
.footer-admin:hover{ color:var(--acc); border-color:var(--acc); transform:translateY(-2px); }

/* ═══════════ MOBILE MENU ═══════════ */
.mobile-menu{ display:none; }
body.menu-open{ overflow:hidden; height:100dvh; }
body.menu-open .mobile-menu{
  display:block; position:fixed; inset:0; z-index:96;
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter:blur(24px); -webkit-backdrop-filter:blur(24px);
}
.mm-inner{
  height:100%; display:flex; flex-direction:column; justify-content:center;
  padding: 100px clamp(24px,8vw,60px) 60px;
  animation:menuIn .5s var(--ease);
}
@keyframes menuIn{ from{opacity:0; transform:translateY(20px)} to{opacity:1; transform:none} }
.mm-links{ display:flex; flex-direction:column; gap:6px; }
.mm-links a{
  display:flex; align-items:baseline; gap:16px;
  font-family:var(--font-d); font-weight:700;
  font-size:clamp(30px,8vw,56px); letter-spacing:-.02em; line-height:1.2;
  color:var(--ink); padding:8px 0; border-bottom:1px solid var(--line);
}
.mm-links a .mm-num{ font-family:var(--font-m); font-size:12px; color:var(--acc); font-weight:500; }
.mm-soc{ display:flex; gap:26px; flex-wrap:wrap; margin-top:36px; }
.mm-soc a{ font-size:15px; color:var(--ink-dim); }
.mm-soc .soc-ic{ font-size:16px; margin-right:6px; }

/* ═══════════ TO TOP ═══════════ */
#toTop{
  position:fixed; right:22px; bottom:max(22px, calc(env(safe-area-inset-bottom) + 12px)); z-index:90;
  width:46px; height:46px; border-radius:50%;
  background:var(--glass-2); border:1px solid var(--line-2); color:var(--ink);
  font-size:18px; backdrop-filter:blur(10px);
  transition:transform .35s var(--ease), opacity .35s, border-color .35s;
}
#toTop:hover{ border-color:var(--acc); color:var(--acc); transform:translateY(-3px); }

/* ═══════════ TOUCH POLISH ═══════════ */
button, a, .touchable{ -webkit-tap-highlight-color:transparent; touch-action:manipulation; }
.btn:active, .soc-chip:active, .mv-btn:active, .proj-more:active{ transform:scale(.97); }
.method-stage:active{ transform:scale(.98); }
.mv-dot:active{ transform:scale(.85); }
.pillar:active{ transform:scale(.99); }
.stat-card:active, .gh-card:active, .note-card:active, .lab-card:active{ transform:scale(.985); }

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width: 1024px){
  .skills-masonry, .lab-grid, .gh-grid, .notes-grid{ grid-template-columns:repeat(2,1fr); }
  .snap-grid{ grid-template-columns:repeat(2,1fr); }
  .radar-card{ grid-template-columns:1fr; }
}

@media (max-width: 860px){
  :root{ --sec-pad: clamp(52px, 12vw, 96px); }
  .container{ padding:0 clamp(18px,5vw,40px); }

  .nav-island{ max-width:100%; }
  .nav-links, .nav-resume{ display:none; }
  .burger{ display:block; }
  .theme-toggle, .burger{ width:44px; height:44px; }
  .theme-toggle{ font-size:16px; }

  .hero-inner{ padding:0 clamp(18px,5vw,40px); }
  .hero-title{ font-size:clamp(34px,10.5vw,58px); margin-bottom:20px; }
  .hero-sub p{ font-size:16px; }
  .hero-ctas{ margin-bottom:30px; }
  .hero-badge{ margin-bottom:22px; }

  .about-grid{ grid-template-columns:1fr; gap:48px; }
  .about-right{ position:static; }
  .photo-frame{ max-width:360px; margin-inline:auto; }
  .about-blocks{ gap:24px; }
  .a-block{ padding-left:18px; }
  .a-block p{ font-size:15.5px; }

  .snap-intro{ margin-bottom:36px; }
  .snap-visor{ padding:26px 20px; }
  .snap-visor-label{ margin-bottom:24px; }

  .xp-entry{ grid-template-columns:1fr; gap:0; }
  .xp-entry .xp-timeline{ display:none; }

  .contact-inner{ grid-template-columns:1fr; gap:44px; }

  .method{ grid-template-columns:1fr; gap:40px; }
  .method-stages{ padding-left:34px; }
  .method-view{ margin-top:4px; top:92px; }
  .method-panel{ padding:24px 20px; }

  .proj-sec{ padding-top:var(--sec-pad); }
  .proj-head{ flex-direction:column; gap:24px; }
  .proj-head-right{ max-width:100%; }

  .pillar{ padding:20px 16px; column-gap:12px; row-gap:12px; }
  .pillar-ic{ width:46px; height:46px; font-size:15px; }

  .sec-head-row{ flex-direction:column; align-items:flex-start; }
  .sec-title{ font-size:clamp(28px,8vw,44px); }
  .sec-desc{ font-size:15.5px; }
}

@media (max-width: 600px){
  body{ font-size:16px; line-height:1.6; }
  :root{ --sec-pad: 48px; }

  .hero-stats{ gap:14px; }
  .hero-stat b{ font-size:20px; }
  .hero-stat span{ font-size:9.5px; letter-spacing:.08em; }
  .hero-ctas{ gap:12px; }
  .hero-ctas .btn{ width:100%; justify-content:center; }
  .hero-meta{ flex-direction:column; align-items:stretch; gap:18px; }

  .about-pillars{ margin-top:36px; }
  .pillars{ grid-template-columns:1fr; }
  .pillar{ grid-template-columns:30px 46px 1fr; grid-template-rows:auto; align-items:center; column-gap:14px; row-gap:0; padding:20px 18px; }
  .pillar-idx{ grid-column:1; grid-row:1; }
  .pillar-arrow{ display:none; }
  .pillar-ic{ grid-column:2; grid-row:1; width:46px; height:46px; font-size:15px; }
  .pillar-body{ grid-column:3; grid-row:1; }
  .pillar-body h4{ font-size:15px; }

  .about-stats{ grid-template-columns:1fr; gap:12px; }
  .about-stat{ display:flex; align-items:baseline; gap:12px; padding:14px 16px; }
  .about-stat b{ margin-bottom:0; font-size:24px; }

  .snap-visor{ padding:24px 18px; }
  .snap-cell{ padding:20px 16px; }
  .snap-cell .big{ font-size:30px; margin:10px 0 4px; }
  .snap-label{ font-size:12px; }
  .snap-bars{ height:34px; margin-top:14px; }

  .skills-masonry{ grid-template-columns:repeat(2,1fr); gap:10px; }
  .skill-card{ display:flex; flex-direction:column; padding:16px 14px; }
  .skill-head{ margin-bottom:12px; gap:8px; }
  .skill-ic{ width:34px; height:34px; font-size:14px; }
  .skill-title{ font-size:14px; }
  .skill-num{ font-size:10px; }
  .skill-tags{ margin-top:auto; gap:6px; }
  .skill-tag{ padding:5px 9px; font-size:11.5px; }
  .radar-card{ padding:24px 18px; }
  .radar-title{ font-size:24px; }

  .lab-grid, .gh-grid, .notes-grid{ grid-template-columns:1fr; gap:14px; }
  .lab-card, .gh-card, .note-card{ padding:20px 18px; }

  .proj-grid{ grid-template-columns:1fr; gap:16px; }
  .proj-card{ padding:22px 20px; }
  .proj-idx{ font-size:34px; }
  .proj-title{ font-size:23px; }
  .proj-desc{ font-size:14.5px; }
  .proj-metric{ font-size:10.5px; padding:4px 9px; }
  .proj-tag{ font-size:11.5px; }

  .method-stage{ padding:13px 10px; gap:12px; }
  .method-stage .pipe-ic{ width:38px; height:38px; font-size:16px; }
  .method-stage .pipe-body b{ font-size:14px; }
  .mv-top{ margin-bottom:20px; }
  .mv-ic{ width:48px; height:48px; font-size:20px; }
  .mv-title{ font-size:26px; }
  .mv-text{ font-size:15px; min-height:0; line-height:1.55; }
  .mv-tele{ margin:22px 0 2px; }
  .mv-dots{ gap:6px; margin:20px 0 22px; }
  .mv-nav{ flex-wrap:wrap; }
  .mv-btn{ padding:10px 12px; font-size:12px; }
  .mv-btn.mv-play{ margin-left:0; }

  .cred-row{ grid-template-columns:40px 1fr; }
  .cred-status{ grid-column:1/-1; padding-left:64px; white-space:normal; }
  .cred-item b{ font-size:15px; }
  .cred-item small{ font-size:12px; }

  .contact-title{ font-size:clamp(28px,9.5vw,38px); }
  .contact-note{ font-size:16px; }

  .mm-links a{ font-size:clamp(26px,8.5vw,38px); }
  .mm-inner{ padding:84px clamp(20px,7vw,40px) calc(40px + env(safe-area-inset-bottom)); }

  .footer-top{ flex-direction:column; align-items:flex-start; gap:24px; }
  .footer-bottom{ flex-direction:column; align-items:center; text-align:center; gap:14px; }
  .footer-admin{ order:3; }
}

/* ═══════════ REDUCED MOTION ═══════════ */
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
  html{ scroll-behavior:auto; }
}