/* ============================================================
   안찬웅 Portfolio — style.css  (2026.09 redesign)
   editorial type · bento grid · grain · spotlight
   ============================================================ */

/* ---------- tokens ---------- */
:root{
  --bg:#0a0a0c;
  --bg-soft:#101014;
  --surface:#121216;
  --surface-2:#191920;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --txt:#f3f3f5;
  --txt-2:#a7a9b4;
  --txt-3:#6e717e;
  --accent:#6f8cff;
  --accent-2:#3ddbc3;
  --accent-3:#c48bff;
  --warn:#ffb454;
  --rose:#ff6b8b;
  --ink:#f3f3f5;
  --ink-txt:#0a0a0c;
  --ink-sub:#5d606c;
  --glow:rgba(111,140,255,.22);
  --shadow:0 30px 80px -30px rgba(0,0,0,.7);
  --radius:22px;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo",system-ui,sans-serif;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --nav-h:60px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
[data-theme="light"]{
  --bg:#f3f3ef;
  --bg-soft:#ffffff;
  --surface:#ffffff;
  --surface-2:#f6f6f2;
  --line:rgba(16,16,20,.09);
  --line-strong:rgba(16,16,20,.18);
  --txt:#101014;
  --txt-2:#4a4c56;
  --txt-3:#6f7280;
  --accent:#2340ff;
  --accent-2:#0d9c8a;
  --accent-3:#7b46e0;
  --warn:#d98a1a;
  --rose:#e0456a;
  --ink:#101014;
  --ink-txt:#f3f3ef;
  --ink-sub:#9a9ca8;
  --glow:rgba(35,64,255,.16);
  --shadow:0 30px 60px -30px rgba(16,16,20,.25);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 32px);-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:var(--sans);font-size:16px;line-height:1.7;
  letter-spacing:-.01em;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  transition:background .4s ease,color .4s ease;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.035em;font-weight:700}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.wrap{width:min(1240px,calc(100% - 56px));margin-inline:auto}
.skip{position:fixed;top:-100px;left:16px;z-index:100;padding:10px 14px;border-radius:10px;background:var(--ink);color:var(--ink-txt);font-weight:600;font-size:14px;transition:top .2s}
.skip:focus{top:16px}

/* ---------- background: soft glow + grain + dot grid ---------- */
.bg-mesh{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.orb{position:absolute;border-radius:50%;opacity:.34;will-change:transform;transform:translate3d(0,0,0);animation:float 32s ease-in-out infinite;--orb:var(--accent);background:radial-gradient(circle at center,var(--orb) 0%,color-mix(in srgb,var(--orb) 55%,transparent) 30%,transparent 68%)}
.orb-1{width:64vw;height:64vw;--orb:var(--accent);top:-26vw;left:-14vw}
.orb-2{width:48vw;height:48vw;--orb:var(--accent-3);top:38vh;right:-16vw;animation-delay:-8s;opacity:.22}
.orb-3{width:42vw;height:42vw;--orb:var(--accent-2);bottom:-14vw;left:30vw;animation-delay:-14s;opacity:.16}
[data-theme="light"] .orb{opacity:.18}
[data-theme="light"] .orb-2{opacity:.12}
[data-theme="light"] .orb-3{opacity:.1}
.grid{
  position:absolute;inset:0;
  background-image:radial-gradient(var(--line-strong) 1px,transparent 1.2px);
  background-size:28px 28px;
  mask-image:radial-gradient(ellipse 70% 55% at 50% 0%,#000 10%,transparent 70%);
  -webkit-mask-image:radial-gradient(ellipse 70% 55% at 50% 0%,#000 10%,transparent 70%);
  opacity:.55;
}
.grain{
  position:fixed;inset:0;z-index:70;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
[data-theme="light"] .grain{opacity:.05}
[data-theme="dark"] .grain{opacity:.07}
@keyframes float{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  33%{transform:translate3d(4vw,5vh,0) scale(1.08)}
  66%{transform:translate3d(-3vw,-4vh,0) scale(.95)}
}

/* ---------- scroll progress ---------- */
.scroll-progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:60;background:var(--accent)}

/* ---------- nav: floating pill ---------- */
.nav{position:fixed;top:14px;left:0;right:0;z-index:50;display:flex;justify-content:center;pointer-events:none;padding:0 16px}
.nav-inner{
  pointer-events:auto;display:flex;align-items:center;gap:10px;
  height:var(--nav-h);padding:0 8px 0 16px;border-radius:999px;
  border:1px solid var(--line);
  background:color-mix(in srgb,var(--bg-soft) 94%,transparent);
  box-shadow:0 10px 40px -18px rgba(0,0,0,.35);
  transition:transform .35s var(--ease),box-shadow .3s;
}
.nav.scrolled .nav-inner{box-shadow:0 18px 50px -20px rgba(0,0,0,.45)}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:-.02em;font-size:14.5px;padding-right:8px}
.brand-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent)}
.nav-links{display:flex;gap:2px;padding:0 4px;border-left:1px solid var(--line);border-right:1px solid var(--line)}
.nav-links a{position:relative;padding:8px 14px;border-radius:999px;font-size:13.5px;font-weight:500;color:var(--txt-2);transition:color .2s,background .2s}
.nav-links a:hover{color:var(--txt)}
.nav-links a.active{color:var(--txt);background:var(--surface-2)}
.nav-actions{display:flex;align-items:center;gap:6px}
.theme-toggle,.nav-burger{
  width:40px;height:40px;display:grid;place-items:center;cursor:pointer;
  border-radius:999px;border:1px solid transparent;background:transparent;color:var(--txt-2);
  transition:color .2s,background .2s,transform .3s var(--ease);
}
.theme-toggle:hover,.nav-burger:hover{color:var(--txt);background:var(--surface-2)}
.theme-toggle:hover{transform:rotate(-20deg)}
.theme-toggle .i-moon{display:none}
[data-theme="light"] .theme-toggle .i-sun{display:none}
[data-theme="light"] .theme-toggle .i-moon{display:block}
.nav-burger{display:none;position:relative;padding:0}
.nav-burger span{position:absolute;left:50%;margin-left:-8px;width:16px;height:1.6px;background:var(--txt);border-radius:2px;transition:transform .25s ease}
.nav-burger span:first-child{top:calc(50% - 3.3px)}
.nav-burger span:last-child{top:calc(50% + 1.7px)}
.nav-burger[aria-expanded="true"] span:first-child{transform:translateY(2.5px) rotate(45deg)}
.nav-burger[aria-expanded="true"] span:last-child{transform:translateY(-2.5px) rotate(-45deg)}

/* ---------- shared ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;margin:0 0 22px;
  font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--txt-2);
}
.pulse{width:7px;height:7px;border-radius:50%;background:var(--accent);position:relative;flex:none}
.pulse::after{content:"";position:absolute;inset:0;border-radius:50%;background:inherit;animation:pulse 2s ease-out infinite}
@keyframes pulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(3.4);opacity:0}}

/* spotlight: elements track cursor via --mx/--my (main.js) */
.spot{position:relative;overflow:hidden;isolation:isolate}
.spot::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:0;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),var(--glow),transparent 55%);
  transition:opacity .35s;
}
.spot:hover::after{opacity:1}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:border-color .25s,transform .35s var(--ease),box-shadow .35s,background .25s;
}
[data-theme="light"] .card{box-shadow:0 1px 2px rgba(16,16,20,.04)}

.tag{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.02em;color:var(--txt-3);padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:var(--surface-2);white-space:nowrap}
.tag-perf{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 35%,transparent);background:color-mix(in srgb,var(--accent) 10%,transparent)}
.tag-sec{color:var(--rose);border-color:color-mix(in srgb,var(--rose) 35%,transparent);background:color-mix(in srgb,var(--rose) 10%,transparent)}
.tag-dbg{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 40%,transparent);background:color-mix(in srgb,var(--warn) 12%,transparent)}
.tag-net{color:var(--accent-2);border-color:color-mix(in srgb,var(--accent-2) 35%,transparent);background:color-mix(in srgb,var(--accent-2) 10%,transparent)}
.tag-ops{color:var(--accent-3);border-color:color-mix(in srgb,var(--accent-3) 35%,transparent);background:color-mix(in srgb,var(--accent-3) 10%,transparent)}

.chips{display:flex;flex-wrap:wrap;gap:7px}
.chips li{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.01em;
  padding:5px 11px;border-radius:8px;background:var(--surface-2);border:1px solid var(--line);color:var(--txt-2);
  transition:border-color .2s,color .2s,transform .25s var(--ease);
}
.chips li:hover{border-color:var(--line-strong);color:var(--txt);transform:translateY(-1px)}
.chips.lg li{font-size:12.5px;padding:8px 14px;border-radius:10px}
.chips li.hi{color:var(--txt);border-color:color-mix(in srgb,var(--accent) 35%,var(--line));background:color-mix(in srgb,var(--accent) 9%,transparent);font-weight:600}

/* ============================================================
   ABOUT (hero)
   ============================================================ */
.hero{padding:calc(var(--nav-h) + 72px) 0 40px}
.hero-head{margin-bottom:38px}

/* line-mask reveal (body.loaded triggers) */
.line{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.line > span{display:block;transform:translateY(110%);transition:transform 1.1s var(--ease)}
body.loaded .line > span{transform:none}
.line:nth-child(2) > span{transition-delay:.08s}
.line:nth-child(3) > span{transition-delay:.16s}
.hero-sub .line > span{transition-delay:.28s}
.hero-sub .line:nth-child(2) > span{transition-delay:.36s}

.hero-title{
  display:flex;align-items:baseline;flex-wrap:wrap;gap:0 .18em;
  font-size:clamp(68px,11.5vw,168px);font-weight:800;letter-spacing:-.06em;line-height:.95;
}
.hero-title .line{padding-bottom:.12em;margin-bottom:-.12em}
.hero-en{
  font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.02em;
  font-size:clamp(30px,4.4vw,64px);color:var(--txt-2);
}
.hero-en i{font-style:italic;color:var(--accent)}
.hero-sub{
  margin:26px 0 0;max-width:38ch;
  font-size:clamp(18px,1.9vw,25px);line-height:1.5;letter-spacing:-.025em;font-weight:500;color:var(--txt-2);
}
.hero-sub b{color:var(--txt);font-weight:700}
.hero-sub em{font-style:normal;color:var(--accent)}

/* bento */
.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:14px}
.tile{
  position:relative;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);
  padding:26px 28px;min-width:0;
  transition:border-color .25s,transform .35s var(--ease),box-shadow .35s;
}
[data-theme="light"] .tile{box-shadow:0 1px 2px rgba(16,16,20,.04)}
.tile:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow)}
.tile h2{
  margin:0 0 14px;display:flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--txt-3);
}
.tile h2::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}

.t-photo{grid-column:span 3;margin:0;padding:10px;display:flex;flex-direction:column;overflow:hidden}
.t-photo img{flex:1;width:100%;min-height:0;object-fit:cover;border-radius:calc(var(--radius) - 8px);filter:saturate(.9);transition:filter .5s,transform .8s var(--ease)}
.t-photo:hover img{filter:saturate(1.05);transform:scale(1.02)}

.t-intro{grid-column:span 5;display:flex;flex-direction:column}
.t-intro ul{flex:1;display:flex;flex-direction:column;justify-content:center;gap:18px;padding:6px 0}
.t-intro li{
  position:relative;padding-left:22px;font-size:clamp(15px,1.15vw,16.5px);line-height:1.65;color:var(--txt);letter-spacing:-.02em;font-weight:500;
}
.t-intro li::before{
  content:"";position:absolute;left:0;top:.62em;width:10px;height:10px;border-radius:3px;
  background:var(--accent);transform:rotate(45deg);opacity:.85;
}
.t-intro li:nth-child(2)::before{background:var(--accent-2)}
.t-intro li:nth-child(3)::before{background:var(--accent-3)}

.t-stats{
  grid-column:span 4;background:var(--ink);color:var(--ink-txt);border-color:transparent;
  display:flex;flex-direction:column;justify-content:space-between;gap:16px;
}
.t-stats h2{color:var(--ink-sub)}
.t-stats h2::before{background:var(--accent)}
.stat{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid color-mix(in srgb,var(--ink-txt) 12%,transparent)}
.stat:first-of-type{border-top:0;padding-top:0}
.stat b{
  font-family:var(--mono);font-size:clamp(34px,3.2vw,46px);font-weight:700;letter-spacing:-.05em;line-height:1;
  color:var(--ink-txt);font-variant-numeric:tabular-nums;
}
.stat b small{font-size:.5em;letter-spacing:-.02em;margin-left:2px;color:var(--accent)}
.stat > span{font-size:13px;color:var(--ink-sub);text-align:right;line-height:1.4;word-break:keep-all}

.t-career{grid-column:span 6}
.t-edu{grid-column:span 6}
.t-cert{grid-column:span 8}
.t-links{grid-column:span 4;padding:10px;display:grid;grid-template-columns:1fr 1fr;gap:8px}

.cv{display:flex;flex-direction:column}
.cv li{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:11px 0;border-top:1px solid var(--line)}
.cv li:first-child{border-top:0;padding-top:0}
.cv li:last-child{padding-bottom:0}
.cv-t{font-size:16px;font-weight:600;color:var(--txt);letter-spacing:-.025em;min-width:0}
.cv-t em{font-style:normal;font-weight:400;color:var(--txt-3);margin-left:7px;font-size:13.5px}
.cv-d{flex:none;font-family:var(--mono);font-size:12px;color:var(--txt-3);font-variant-numeric:tabular-nums}

.cv-chips{display:flex;flex-wrap:wrap;gap:8px}
.cv-chips li{
  display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface-2);font-size:13.5px;font-weight:600;color:var(--txt);letter-spacing:-.02em;
  transition:border-color .2s,transform .25s var(--ease);
}
.cv-chips li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-2)}
.cv-chips li:hover{border-color:var(--line-strong);transform:translateY(-2px)}

.sl{
  --b:var(--accent);
  display:flex;flex-direction:column;justify-content:space-between;gap:18px;min-height:132px;
  padding:16px;border-radius:calc(var(--radius) - 8px);border:1px solid var(--line);background:var(--surface-2);
  transition:transform .3s var(--ease),border-color .25s,background .3s,color .3s;
}
.sl-gh{--b:#24292f}
.sl-blog{--b:#eb531f}
[data-theme="dark"] .sl-gh{--b:#e6edf3}
.sl-ic{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;color:var(--b);background:color-mix(in srgb,var(--b) 12%,transparent);transition:background .25s,color .25s,transform .3s var(--ease)}
.sl-t{display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:600;letter-spacing:-.02em;color:var(--txt)}
.sl-t::after{content:"↗";font-family:var(--mono);color:var(--txt-3);transition:transform .3s var(--ease),color .25s}
.sl:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--b) 40%,var(--line));background:var(--surface)}
.sl:hover .sl-ic{background:var(--b);color:#fff;transform:scale(1.06)}
[data-theme="dark"] .sl-gh:hover .sl-ic{color:#0b0d12}
.sl:hover .sl-t::after{transform:translate(2px,-2px);color:var(--txt)}

/* ---------- ticker ---------- */
.ticker{margin:28px 0 0;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.ticker-track{display:flex;width:max-content;gap:0;animation:ticker 38s linear infinite}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker-track span{
  display:inline-flex;align-items:center;gap:22px;padding-right:22px;
  font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--txt-2);white-space:nowrap;
}
.ticker-track span::after{content:"✦";color:var(--accent);font-size:11px}
@keyframes ticker{to{transform:translateX(-50%)}}

/* ============================================================
   sections
   ============================================================ */
.section{padding:128px 0}
.sec-head{position:relative;margin-bottom:44px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(44px,6.5vw,84px);font-weight:800;letter-spacing:-.055em;line-height:.95;display:flex;align-items:baseline;gap:.25em}
.sec-num{font-family:var(--serif);font-style:italic;font-weight:400;font-size:.42em;color:var(--accent);letter-spacing:-.02em}
.sec-sub{margin:0 0 .5em;color:var(--txt-3);font-size:15px;font-family:var(--mono);letter-spacing:.04em}

/* ---------- work ---------- */
.filter{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.chip-btn{
  font-family:var(--mono);font-size:12.5px;font-weight:600;cursor:pointer;
  padding:9px 15px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--txt-2);
  transition:color .2s,background .25s,border-color .2s,transform .3s var(--ease);
}
.chip-btn:hover{color:var(--txt);border-color:var(--line-strong);transform:translateY(-1px)}
.chip-btn.is-on{color:var(--ink-txt);background:var(--ink);border-color:var(--ink)}

.work-list{display:flex;flex-direction:column;gap:16px}
.work-card{padding:34px 36px}
.work-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow)}
.work-card[hidden]{display:none}
.work-card:target{border-color:color-mix(in srgb,var(--accent) 55%,var(--line));box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 14%,transparent)}
.wc-top{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:18px}
.wc-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.wc-org{font-family:var(--mono);font-size:12px;color:var(--txt-3);margin-left:4px}
.wc-metric{flex:none;text-align:right}
.wc-metric b{display:block;font-family:var(--mono);font-size:clamp(26px,2.6vw,36px);font-weight:700;letter-spacing:-.05em;line-height:1;color:var(--accent)}
.wc-metric span{display:block;margin-top:5px;font-size:11.5px;color:var(--txt-3);font-family:var(--mono);letter-spacing:.04em}
.work-card h3{font-size:clamp(22px,2.4vw,30px);letter-spacing:-.04em;margin-bottom:12px;line-height:1.2}
.wc-lead{margin:0 0 22px;color:var(--txt-2);font-size:16px;line-height:1.75;max-width:78ch}
.par{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-bottom:22px;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface-2);
}
.par > div{padding:18px 20px;border-right:1px solid var(--line)}
.par > div:last-child{border-right:0}
.par h4{margin:0 0 8px;font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--txt-3);display:flex;align-items:center;gap:7px}
.par h4::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--txt-3);opacity:.6}
.par > div:nth-child(1) h4::before{background:var(--rose)}
.par > div:nth-child(2) h4::before{background:var(--accent)}
.par > div:nth-child(3) h4::before{background:var(--accent-2)}
.par > div:nth-child(3) h4{color:var(--accent-2)}
.par p{margin:0;font-size:14px;line-height:1.72;color:var(--txt-2)}
.par > div:nth-child(3) p{color:var(--txt);font-weight:500}
.work-card .chips{margin-top:2px}
.work-empty{margin:32px 0 0;color:var(--txt-3);text-align:center;font-size:14px}

/* ---------- work hero figure (TeraStream ETL flow) ---------- */
.work-hero{margin:0 0 28px;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--surface);transition:border-color .25s,box-shadow .35s}
.work-hero:hover{border-color:var(--line-strong);box-shadow:var(--shadow)}
.work-hero .shot{display:block;width:100%;padding:0;border:0;background:#fff;cursor:zoom-in}
.work-hero .shot:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.work-hero img{display:block;width:100%;height:auto;max-height:440px;object-fit:contain;padding:20px 28px;background:#fff}
.work-hero figcaption{display:flex;align-items:baseline;justify-content:space-between;gap:8px 20px;flex-wrap:wrap;padding:12px 18px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;line-height:1.4}
.wh-org{color:var(--txt-3);letter-spacing:.04em}
.wh-t{color:var(--txt-2)}

/* ---------- project gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}
.gallery-wide{grid-template-columns:minmax(0,600px)}
.gallery .shot{
  display:block;width:100%;padding:0;cursor:zoom-in;overflow:hidden;
  border-radius:14px;border:1px solid var(--line);background:var(--surface-2);
  transition:border-color .25s,transform .35s var(--ease),box-shadow .35s;
}
.gallery .shot:hover,.gallery .shot:focus-visible{border-color:var(--accent);transform:translateY(-3px);box-shadow:var(--shadow);outline:none}
.gallery img{width:100%;height:200px;object-fit:cover;object-position:top center;background:#fff;transition:transform .8s var(--ease)}
.gallery .shot:hover img{transform:scale(1.03)}
.gallery-wide img{height:auto;object-fit:contain;padding:12px}
.shot-cap{display:block;padding:9px 12px;font-size:11.5px;line-height:1.35;color:var(--txt-2);text-align:left;border-top:1px solid var(--line);font-family:var(--mono)}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:28px;background:rgba(6,8,13,.86);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);animation:lbIn .2s ease}
.lightbox[hidden]{display:none}
@keyframes lbIn{from{opacity:0}to{opacity:1}}
.lb-figure{margin:0;max-width:min(1200px,100%);max-height:100%;display:flex;flex-direction:column;gap:12px}
.lb-figure img{max-width:100%;max-height:calc(100vh - 130px);object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 30px 70px -20px rgba(0,0,0,.7)}
.lb-figure figcaption{color:#c9d2e2;font-size:13.5px;line-height:1.6;text-align:center;max-width:76ch;margin-inline:auto}
.lb-close{position:absolute;top:18px;right:18px;width:42px;height:42px;display:grid;place-items:center;border-radius:999px;cursor:pointer;color:#e9edf5;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);transition:background .2s,border-color .2s}
.lb-close:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.35)}

/* ---------- skills ---------- */
.skill-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.skill-card{padding:26px}
.skill-card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow)}
.skill-focus{grid-column:1 / -1;background:var(--ink);color:var(--ink-txt);border-color:transparent;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:30px 32px}
.skill-focus .chips li{background:color-mix(in srgb,var(--ink-txt) 8%,transparent);border-color:color-mix(in srgb,var(--ink-txt) 14%,transparent);color:var(--ink-txt)}
.skill-focus .chips li.hi{background:var(--accent);border-color:var(--accent);color:#fff}
.skill-focus h3{margin:0}
.skill-focus .k{color:var(--ink-sub)}
.skill-focus .k::after{content:" · Now";color:var(--accent)}
.skill-card h3{font-size:13px;margin-bottom:16px}
.skill-card .k{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--txt-3);font-weight:600}

/* ---------- footer ---------- */
.footer{position:relative;border-top:1px solid var(--line);padding:40px 0 34px;overflow:hidden}
.footer-mark{
  display:block;margin:0 0 18px;
  font-size:clamp(56px,12vw,180px);font-weight:800;letter-spacing:-.06em;line-height:.9;
  color:transparent;-webkit-text-stroke:1px var(--line-strong);user-select:none;
}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:var(--txt-3);font-family:var(--mono)}
.footer-links{display:flex;flex-wrap:wrap;align-items:center;gap:20px}
.to-top{display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.to-top:hover{color:var(--txt)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.08s}
.reveal[data-delay="2"]{transition-delay:.16s}
.reveal[data-delay="3"]{transition-delay:.24s}
.reveal[data-delay="4"]{transition-delay:.32s}
.reveal[data-delay="5"]{transition-delay:.40s}
.reveal[data-delay="6"]{transition-delay:.48s}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .t-photo{grid-column:span 4}
  .t-intro{grid-column:span 8}
  .t-stats{grid-column:span 12;flex-direction:row;align-items:stretch}
  .t-stats h2{display:none}
  .stat{flex:1;flex-direction:column;align-items:flex-start;gap:6px;border-top:0;border-left:1px solid color-mix(in srgb,var(--ink-txt) 12%,transparent);padding:0 0 0 18px}
  .stat:first-of-type{border-left:0;padding-left:0}
  .stat > span{text-align:left}
  .skill-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:960px){
  .par{grid-template-columns:1fr}
  .par > div{border-right:0;border-bottom:1px solid var(--line)}
  .par > div:last-child{border-bottom:0}
}
@media (max-width:720px){
  .wrap{width:calc(100% - 32px)}
  .section{padding:92px 0}
  .hero{padding:calc(var(--nav-h) + 48px) 0 24px}
  .hero-title{font-size:clamp(64px,19vw,96px)}
  .hero-en{font-size:clamp(26px,7.5vw,36px)}
  .hero-sub{font-size:17px}
  .bento{gap:10px}
  .tile{padding:20px 20px;border-radius:18px}
  .t-photo{grid-column:span 5;padding:8px}
  .t-intro{grid-column:span 7}
  .t-intro li{font-size:14px}
  .t-stats{flex-direction:column;gap:10px}
  .stat{flex-direction:row;align-items:baseline;border-left:0;padding:10px 0 0;border-top:1px solid color-mix(in srgb,var(--ink-txt) 12%,transparent)}
  .stat:first-of-type{border-top:0;padding-top:0}
  .stat > span{text-align:right}
  .t-career,.t-edu,.t-cert,.t-links{grid-column:span 12}
  .cv li{flex-direction:column;gap:2px}
  .cv-t em{display:block;margin-left:0}
  .sl{min-height:110px}
  .nav{top:10px}
  .nav-burger{display:grid}
  .nav-links{
    position:absolute;top:calc(var(--nav-h) + 10px);right:0;
    flex-direction:column;gap:2px;min-width:190px;padding:10px;border:1px solid var(--line);
    border-radius:18px;
    background:color-mix(in srgb,var(--bg-soft) 94%,transparent);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    box-shadow:var(--shadow);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .2s,transform .2s,visibility .2s;
  }
  .nav-links.open{opacity:1;visibility:visible;transform:none}
  .nav-links a{padding:11px 14px;border-radius:12px}
  .nav-inner{position:relative;width:100%;justify-content:space-between}
  .work-card{padding:24px 20px}
  .wc-top{flex-direction:column-reverse;gap:12px}
  .wc-metric{text-align:left}
  .wc-org{margin-left:0;width:100%}
  .work-hero img{padding:12px 14px;max-height:300px}
  .work-hero figcaption{flex-direction:column;gap:4px}
  .gallery{grid-template-columns:1fr}
  .gallery img{height:170px}
  .gallery-wide{grid-template-columns:1fr}
  .lightbox{padding:16px}
  .lb-figure img{max-height:calc(100vh - 160px)}
  .card{padding:20px}
  .skill-focus{padding:22px 20px}
  .footer-inner{flex-direction:column;gap:10px;align-items:flex-start}
}
@media (max-width:480px){
  .t-photo{grid-column:span 12;padding:8px}
  .t-photo img{aspect-ratio:4/3;object-position:top center}
  .t-intro{grid-column:span 12}
  .skill-grid{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .reveal,.line > span{opacity:1;transform:none}
  .grain{display:none}
  .tile:hover,.work-card:hover,.card:hover{transform:none}
}