/* ==========================================================================
   金佳信 · 项目作品集 — 展厅样式
   设计语言：墨黑底 / 酸黄强调 / 宣纸反白段落；动效克制，只服务阅读与判断。
   依赖：无（仅本地字体栈）。GSAP/Lenis 只做增强，缺失时不影响内容与链接。
   ========================================================================== */

/* ---------- 1. tokens ---------- */
:root{
  --ink:#08090b;
  --ink-2:#0b0d10;
  --ink-3:#111419;
  --line:rgba(255,255,255,.11);
  --line-soft:rgba(255,255,255,.06);
  --text:#edeef1;
  --muted:#98a0ad;
  --muted-2:#6e7683;
  --acid:#dff43c;
  --acid-dim:rgba(223,244,60,.14);
  --cinnabar:#d8472e;
  --paper:#f2efe4;
  --paper-ink:#15171a;
  --sans:"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Cascadia Mono",Menlo,"Liberation Mono",monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --nav-h:70px;
  --gutter:clamp(18px,4.6vw,64px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--ink);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}
h1,h2,h3,h4,p,figure{margin:0}
img,video,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--acid);color:#0a0b0d}
:focus-visible{outline:2px solid var(--acid);outline-offset:3px;border-radius:4px}

.shell{width:min(1320px,100% - 2*var(--gutter));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 2. fixed chrome ---------- */
.progress{
  position:fixed;top:0;left:0;right:0;height:2px;z-index:80;
  background:linear-gradient(90deg,var(--acid),#9fe9a0 60%,var(--cinnabar));
  transform:scaleX(0);transform-origin:0 50%;pointer-events:none;
}
.grain{
  position:fixed;inset:0;z-index:75;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}
.glow{
  position:fixed;left:0;top:0;width:520px;height:520px;margin:-260px 0 0 -260px;
  z-index:1;pointer-events:none;border-radius:50%;opacity:0;
  background:radial-gradient(circle,rgba(223,244,60,.10),rgba(223,244,60,.04) 42%,transparent 68%);
  transition:opacity .5s var(--ease);mix-blend-mode:screen;will-change:transform;
}
body.has-pointer .glow{opacity:1}

/* ---------- 3. nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:70;transition:background .4s var(--ease),backdrop-filter .4s,border-color .4s;
     border-bottom:1px solid transparent}
.nav::after{content:"";position:absolute;inset:0;z-index:-1;opacity:0;transition:opacity .4s var(--ease);
  background:linear-gradient(180deg,rgba(8,9,11,.92),rgba(8,9,11,.72));backdrop-filter:blur(18px) saturate(1.2)}
.nav.is-stuck::after{opacity:1}
.nav.is-stuck{border-bottom-color:var(--line-soft)}
.nav-in{display:flex;align-items:center;gap:clamp(14px,2vw,30px);height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{
  width:29px;height:29px;border-radius:8px;display:grid;place-items:center;flex:none;
  border:1px solid rgba(223,244,60,.5);color:var(--acid);
  font:600 11px/1 var(--mono);letter-spacing:.04em;
  background:linear-gradient(150deg,rgba(223,244,60,.16),rgba(223,244,60,0));
  box-shadow:0 0 0 1px rgba(8,9,11,.6) inset;
}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt b{font-size:14.5px;font-weight:600;letter-spacing:.02em}
.brand-txt span{font:500 9.5px/1.4 var(--mono);letter-spacing:.26em;color:var(--muted-2);text-transform:uppercase}
.nav-links{display:flex;gap:clamp(16px,2.2vw,32px);margin-left:auto}
.nav-links a{position:relative;font-size:13.5px;color:var(--muted);padding:8px 0;transition:color .25s}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:var(--acid);
  transform:scaleX(0);transform-origin:0 50%;transition:transform .35s var(--ease)}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after,.nav-links a.on::after{transform:scaleX(1)}
.nav-links a.on{color:var(--text)}
.kbd-btn{
  margin-left:6px;display:inline-flex;align-items:center;gap:8px;flex:none;
  border:1px solid var(--line);border-radius:9px;padding:7px 11px;color:var(--muted);
  font:500 11.5px/1 var(--mono);letter-spacing:.06em;transition:.25s;background:rgba(255,255,255,.02)
}
.kbd-btn:hover{color:var(--text);border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.05)}
.kbd-btn kbd{font:inherit;color:var(--muted-2)}

/* ---------- 4. hero ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;
      padding-top:calc(var(--nav-h) + 24px);overflow:hidden;isolation:isolate}
.hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-3;
  opacity:.52;filter:saturate(.72) contrast(1.06) brightness(.9);transform:scale(1.04)}
.hero-veil{position:absolute;inset:0;z-index:-2;pointer-events:none;background:
  radial-gradient(110% 70% at 12% 8%,rgba(223,244,60,.07),transparent 62%),
  linear-gradient(180deg,rgba(8,9,11,.86) 0%,rgba(8,9,11,.42) 34%,rgba(8,9,11,.86) 74%,var(--ink) 100%),
  linear-gradient(90deg,rgba(8,9,11,.92) 0%,rgba(8,9,11,.55) 42%,rgba(8,9,11,.12) 100%)}
.hero-veil::after{content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.018) 0 1px,transparent 1px 3px);opacity:.5}

.hero-top{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;
          font:500 11px/1.6 var(--mono);letter-spacing:.22em;color:var(--muted-2);text-transform:uppercase}
.hero-top .live{display:inline-flex;align-items:center;gap:8px;color:var(--muted)}
.hero-top .live i{width:6px;height:6px;border-radius:50%;background:var(--acid);flex:none;
  box-shadow:0 0 0 0 rgba(223,244,60,.55);animation:pulse 2.6s var(--ease) infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(223,244,60,.5)}60%{box-shadow:0 0 0 9px rgba(223,244,60,0)}100%{box-shadow:0 0 0 0 rgba(223,244,60,0)}}

.hero-body{margin-top:auto;padding:clamp(40px,8vh,96px) 0 clamp(22px,4vh,44px)}
.hero-eyebrow{font:500 12px/1 var(--mono);letter-spacing:.3em;color:var(--acid);text-transform:uppercase;
              display:flex;align-items:center;gap:14px;margin-bottom:clamp(16px,2.4vw,28px)}
.hero-eyebrow::before{content:"";width:clamp(24px,5vw,64px);height:1px;background:linear-gradient(90deg,var(--acid),transparent)}

.hero-title{display:flex;flex-direction:column;gap:2px;margin:0;font-weight:600}
.hero-cn{
  font-size:clamp(56px,12.4vw,176px);line-height:.9;letter-spacing:-.045em;font-weight:700;
  background:linear-gradient(178deg,#fff 8%,#dfe3e8 46%,#9aa3ae 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  padding-right:.06em;
}
.hero-en{
  font-size:clamp(10px,1.05vw,13px);letter-spacing:.62em;color:var(--muted);
  font-family:var(--mono);font-weight:500;text-transform:uppercase;margin-top:clamp(10px,1.6vw,18px);
  display:flex;align-items:center;gap:16px;
}
.hero-en::after{content:"";height:1px;flex:1;max-width:280px;background:linear-gradient(90deg,var(--line),transparent)}

.hero-lede{max-width:44ch;margin-top:clamp(20px,3vw,34px);color:#c8cdd6;font-size:clamp(14.5px,1.35vw,17px);
           line-height:1.85;letter-spacing:.005em}
.hero-lede b{color:#fff;font-weight:600}
.hero-lede em{font-style:normal;color:var(--acid);font-weight:600}

.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:clamp(24px,3.4vw,40px)}

.btn{
  position:relative;display:inline-flex;align-items:center;gap:9px;height:48px;padding:0 22px;border-radius:999px;
  font-size:14px;font-weight:500;letter-spacing:.02em;transition:transform .4s var(--ease),background .3s,color .3s,border-color .3s;
  will-change:transform;
}
.btn svg{width:15px;height:15px;flex:none;transition:transform .4s var(--ease)}
.btn-primary{background:var(--acid);color:#0a0b0d;font-weight:600;box-shadow:0 10px 34px -12px rgba(223,244,60,.55)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -12px rgba(223,244,60,.7)}
.btn-primary:hover svg{transform:translate(3px,-3px)}
.btn-ghost{border:1px solid var(--line);color:#dfe3e8;background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:rgba(255,255,255,.34);background:rgba(255,255,255,.06);transform:translateY(-2px)}

.hero-stats{display:flex;flex-wrap:wrap;gap:clamp(18px,3vw,44px);margin-top:clamp(30px,4.6vw,54px);
            padding-top:clamp(18px,2.4vw,26px);border-top:1px solid var(--line-soft)}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-family:var(--mono);font-size:clamp(19px,2vw,25px);font-weight:500;color:#fff;letter-spacing:-.01em;line-height:1.1}
.hero-stats span{font-size:11.5px;letter-spacing:.14em;color:var(--muted-2);text-transform:uppercase}

.hero-scroll{position:absolute;right:var(--gutter);bottom:clamp(120px,16vh,180px);display:flex;flex-direction:column;
             align-items:center;gap:10px;font:500 9.5px/1 var(--mono);letter-spacing:.3em;color:var(--muted-2);writing-mode:vertical-rl}
.hero-scroll::after{content:"";width:1px;height:56px;background:linear-gradient(180deg,var(--muted-2),transparent);animation:drop 2.4s var(--ease) infinite}
@keyframes drop{0%,100%{transform:scaleY(.35);transform-origin:0 0;opacity:.4}50%{transform:scaleY(1);opacity:1}}

/* ticker band */
.ticker{position:relative;z-index:2;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
        background:rgba(8,9,11,.6);backdrop-filter:blur(8px);overflow:hidden;padding:15px 0;margin-top:auto}
.ticker-track{display:flex;width:max-content;animation:marq 46s linear infinite}
.ticker-track span{display:inline-flex;align-items:center;gap:18px;padding:0 22px;white-space:nowrap;
  font:500 11.5px/1 var(--mono);letter-spacing:.2em;color:var(--muted);text-transform:uppercase}
.ticker-track i{color:var(--acid);font-style:normal;font-size:9px;opacity:.8}
@keyframes marq{from{transform:translate3d(0,0,0)}to{transform:translate3d(-50%,0,0)}}

/* ---------- 5. section frame ---------- */
.sec{position:relative;padding:clamp(72px,10vw,140px) 0}
.sec-head{display:flex;flex-direction:column;gap:clamp(14px,2vw,22px);margin-bottom:clamp(34px,5vw,68px)}
.sec-tag{font:500 11.5px/1 var(--mono);letter-spacing:.26em;color:var(--acid);text-transform:uppercase;
         display:flex;align-items:center;gap:12px}
.sec-tag::after{content:"";height:1px;width:clamp(28px,8vw,120px);background:linear-gradient(90deg,rgba(223,244,60,.55),transparent)}
.sec-title{font-size:clamp(30px,4.6vw,64px);line-height:1.06;letter-spacing:-.025em;font-weight:600;max-width:22ch}
.sec-title em{font-style:normal;color:var(--muted-2)}
.sec-sub{color:var(--muted);max-width:48ch;font-size:14.5px;line-height:1.85}
.sec-head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap}
.sec-count{font:500 12px/1 var(--mono);color:var(--muted-2);letter-spacing:.16em;white-space:nowrap}

/* ---------- 6. selected list + stage ---------- */
.sel-wrap{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);gap:clamp(26px,4.6vw,80px);align-items:start}
.sel-list{border-top:1px solid var(--line)}
.sel-row{border-bottom:1px solid var(--line)}
.sel-link{display:grid;grid-template-columns:44px minmax(0,1fr) 46px;gap:14px;align-items:start;
          padding:clamp(18px,2.2vw,26px) 8px clamp(18px,2.2vw,26px) 4px;position:relative;
          transition:background .45s var(--ease),padding .45s var(--ease)}
.sel-link::before{content:"";position:absolute;left:0;top:-1px;bottom:-1px;width:0;background:linear-gradient(90deg,var(--acid),transparent);
  opacity:.5;transition:width .5s var(--ease)}
.sel-idx{font:500 11.5px/1.9 var(--mono);color:var(--muted-2);letter-spacing:.1em;transition:color .35s}
.sel-name{font-size:clamp(19px,2.05vw,28px);font-weight:600;letter-spacing:-.015em;line-height:1.28;transition:transform .5s var(--ease)}
.sel-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;font:500 10.5px/1.5 var(--mono);
          letter-spacing:.14em;color:var(--muted-2);text-transform:uppercase}
.sel-meta span{position:relative;padding-right:14px}
.sel-meta span::after{content:"/";position:absolute;right:4px;opacity:.4}
.sel-meta span:last-child{padding-right:0}
.sel-meta span:last-child::after{display:none}
.sel-desc{color:var(--muted);font-size:13.5px;line-height:1.7;margin-top:10px;max-width:44ch}
.sel-arrow{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;
           justify-self:end;transition:.45s var(--ease);color:var(--muted)}
.sel-arrow svg{width:14px;height:14px}
.sel-link:hover .sel-name,.sel-link:focus-visible .sel-name{transform:translateX(6px)}
.sel-link:hover .sel-idx,.sel-link:focus-visible .sel-idx{color:var(--acid)}
.sel-link:hover .sel-arrow,.sel-link:focus-visible .sel-arrow{background:var(--acid);border-color:var(--acid);color:#0a0b0d;transform:translate(2px,-2px)}
.sel-link:hover::before,.sel-link:focus-visible::before{width:100%}
.sel-link:hover,.sel-link:focus-visible{background:linear-gradient(90deg,rgba(223,244,60,.055),transparent 62%)}

.sel-stage{position:sticky;top:calc(var(--nav-h) + 28px);border:1px solid var(--line);border-radius:16px;
           overflow:hidden;background:#07080a;aspect-ratio:16/10;
           box-shadow:0 40px 90px -50px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.02) inset}
.sel-stage img,.sel-stage video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.sel-stage video{opacity:0;transition:opacity .55s var(--ease);background:#07080a}
.sel-stage img{opacity:1;transition:opacity .5s var(--ease),transform 6s linear;transform:scale(1.001)}
.sel-stage.has-video video{opacity:1}
.sel-stage-caption{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:16px 18px;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  background:linear-gradient(0deg,rgba(5,6,8,.9),rgba(5,6,8,0));font:500 10.5px/1 var(--mono);letter-spacing:.16em;
  color:#cfd4dc;text-transform:uppercase}
.sel-stage-badge{display:inline-flex;align-items:center;gap:7px;color:var(--acid)}
.sel-stage-badge i{width:5px;height:5px;border-radius:50%;background:var(--acid);animation:pulse 2s infinite}
.sel-thumb-m{display:none}

/* ---------- 7. archive ---------- */
.arch-bar{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin-bottom:clamp(24px,3vw,34px)}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);font-size:13px;transition:.3s var(--ease);background:rgba(255,255,255,.015)
}
.chip b{font:500 10.5px/1 var(--mono);color:var(--muted-2);transition:color .3s}
.chip:hover{color:var(--text);border-color:rgba(255,255,255,.28)}
.chip.on{background:var(--acid);border-color:var(--acid);color:#0a0b0d;font-weight:600}
.chip.on b{color:rgba(10,11,13,.6)}
.arch-note{font:500 11px/1 var(--mono);letter-spacing:.16em;color:var(--muted-2);text-transform:uppercase}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(296px,1fr));gap:clamp(14px,1.6vw,22px)}
.card{position:relative;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:14px;overflow:hidden;
      background:linear-gradient(180deg,#0e1014,#0a0c0f);
      transform:perspective(1100px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) translate3d(0,var(--ty,0),0);
      transition:transform .5s var(--ease),border-color .4s,box-shadow .5s}
.card:hover{--ty:-4px;border-color:rgba(223,244,60,.42);box-shadow:0 30px 60px -40px rgba(0,0,0,.9)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0a0c0f;flex:none}
.card-media::after{content:"";position:absolute;left:0;right:0;top:0;height:74px;pointer-events:none;z-index:1;
  background:linear-gradient(180deg,rgba(4,5,7,.62),rgba(4,5,7,0))}
.card-media img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .9s var(--ease),opacity .45s;filter:saturate(.94) contrast(1.02)}
.card:hover .card-media img{transform:scale(1.05)}
.card-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .5s var(--ease);pointer-events:none}
.card.playing .card-video{opacity:1}
.card.playing .card-media img{opacity:0}
.card-glare{position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .4s;
  background:radial-gradient(340px circle at var(--cx,50%) var(--cy,50%),rgba(223,244,60,.16),transparent 66%)}
.card:hover .card-glare{opacity:1}
.card-tag{position:absolute;left:12px;top:12px;z-index:2;display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px;border-radius:999px;font:500 10px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;
  background:rgba(6,7,9,.72);border:1px solid rgba(255,255,255,.16);color:#e6e9ee;backdrop-filter:blur(8px)}
.card-tag.hot{color:var(--acid);border-color:rgba(223,244,60,.45)}
.card-no{position:absolute;right:12px;top:12px;z-index:2;font:500 10.5px/1 var(--mono);letter-spacing:.1em;color:rgba(255,255,255,.6)}
.card-body{display:flex;flex-direction:column;flex:1;padding:15px 17px 16px}
.card-title{font-size:16.5px;font-weight:600;line-height:1.4;letter-spacing:-.005em;margin-bottom:6px}
.card-desc{font-size:12.8px;line-height:1.65;color:var(--muted);margin-bottom:13px;flex:1}
.card-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.card-chips span{font:500 10.5px/1.6 var(--mono);letter-spacing:.05em;color:var(--muted-2);
  border:1px solid var(--line-soft);border-radius:5px;padding:2px 7px;background:rgba(255,255,255,.02)}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px solid var(--line-soft)}
.card-open{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--acid);letter-spacing:.02em}
.card-open svg{width:12px;height:12px;transition:transform .4s var(--ease)}
.card:hover .card-open svg{transform:translate(3px,-3px)}
.card-alt{font:500 10.5px/1 var(--mono);letter-spacing:.12em;color:var(--muted-2);text-transform:uppercase;
         border-bottom:1px dotted rgba(255,255,255,.22);padding-bottom:2px;transition:color .3s,border-color .3s}
.card-alt:hover{color:#fff;border-color:#fff}
.card[hidden]{display:none}
.card.is-hiding{opacity:0;transform:scale(.97);transition:opacity .22s,transform .22s}

.empty{padding:56px 0;text-align:center;color:var(--muted-2);font-size:14px;display:none}
.empty.on{display:block}

/* ---------- 8. paper sheet: method ---------- */
.sheet{position:relative;z-index:3;margin:clamp(40px,6vw,80px) clamp(8px,2.2vw,26px) 0;border-radius:clamp(18px,2.6vw,34px);
       background:var(--paper);color:var(--paper-ink);overflow:hidden}
.sheet::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(0,0,0,.055) 1px,transparent 1px);background-size:22px 22px}
.sheet .shell{position:relative;z-index:1}
.sheet{padding:clamp(52px,8vw,116px) 0}
.meth .sec-tag{color:var(--cinnabar)}
.meth .sec-tag::after{background:linear-gradient(90deg,rgba(216,71,46,.5),transparent)}
.meth .sec-title{color:var(--paper-ink)}
.meth .sec-title em{color:rgba(21,23,26,.36)}
.meth .sec-sub{color:#4c5158}

.mv-statement{font-size:clamp(24px,3.4vw,44px);line-height:1.34;letter-spacing:-.02em;font-weight:600;max-width:24ch;margin-bottom:clamp(36px,5vw,68px)}
.mv-statement u{text-decoration:none;border-bottom:3px solid var(--cinnabar);padding-bottom:2px}

.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,3vw,40px);margin-bottom:clamp(44px,6vw,80px)}
.pr{border-top:2px solid rgba(21,23,26,.85);padding-top:18px}
.pr-no{font:500 11px/1 var(--mono);letter-spacing:.22em;color:var(--cinnabar)}
.pr h3{font-size:clamp(18px,1.7vw,21px);font-weight:600;margin:12px 0 8px;letter-spacing:-.01em}
.pr p{font-size:13.8px;line-height:1.8;color:#4c5158}
.pr p b{color:var(--paper-ink)}

.docs-head{display:flex;justify-content:space-between;align-items:baseline;gap:20px;flex-wrap:wrap;
           padding-bottom:14px;border-bottom:2px solid rgba(21,23,26,.85);margin-bottom:4px}
.docs-head h3{font-size:clamp(17px,1.7vw,20px);font-weight:600;letter-spacing:-.01em}
.docs-head span{font:500 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:#6a7079}
.docs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(24px,4vw,64px)}
.doc{display:grid;grid-template-columns:34px minmax(0,1fr) 24px;gap:12px;align-items:center;
     padding:17px 0;border-bottom:1px solid rgba(21,23,26,.16);transition:padding .4s var(--ease),background .4s}
.doc:hover{padding-left:8px;background:linear-gradient(90deg,rgba(216,71,46,.06),transparent)}
.doc-no{font:500 10.5px/1 var(--mono);color:var(--cinnabar);letter-spacing:.1em}
.doc-t{display:block;font-size:14.5px;font-weight:600;line-height:1.45}
.doc-d{display:block;font-size:12.2px;color:#6a7079;margin-top:3px;line-height:1.6}
.doc-arrow{width:22px;height:22px;display:grid;place-items:center;color:#6a7079;transition:.4s var(--ease)}
.doc:hover .doc-arrow{color:var(--cinnabar);transform:translate(2px,-2px)}
.doc-arrow svg{width:13px;height:13px}

/* ---------- 9. about ---------- */
.about-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(32px,6vw,88px);align-items:start}
.about-lede{font-size:clamp(19px,2.15vw,28px);line-height:1.62;letter-spacing:-.015em;font-weight:500;color:#e8eaee}
.about-lede b{color:var(--acid);font-weight:600}
.about-body{margin-top:22px;color:var(--muted);font-size:14.2px;line-height:1.9;max-width:46ch}
.about-body p+p{margin-top:12px}
.skills{display:flex;flex-wrap:wrap;gap:7px;margin-top:26px}
.skills span{font:500 11.5px/1 var(--mono);letter-spacing:.08em;color:#cfd4dc;
  border:1px solid var(--line);border-radius:6px;padding:8px 10px;background:rgba(255,255,255,.025)}
.about-side{display:flex;flex-direction:column;gap:14px}
.panel{border:1px solid var(--line);border-radius:14px;padding:22px 22px 20px;background:linear-gradient(180deg,#0d1014,#0a0c0f)}
.panel h4{font:500 10.5px/1 var(--mono);letter-spacing:.24em;color:var(--muted-2);text-transform:uppercase;margin-bottom:14px}
.contact-list{display:flex;flex-direction:column;gap:2px}
.contact-list a{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 0;
  border-bottom:1px solid var(--line-soft);font-size:14px;transition:color .3s,padding .4s var(--ease)}
.contact-list a:last-child{border-bottom:0}
.contact-list a:hover{color:var(--acid);padding-left:5px}
.contact-list em{font-style:normal;font:500 10px/1 var(--mono);letter-spacing:.18em;color:var(--muted-2);text-transform:uppercase}
.note-txt{font-size:12.4px;line-height:1.8;color:var(--muted-2)}
.note-txt b{color:#cfd4dc;font-weight:600}
.note-txt code{font-family:var(--mono);font-size:11.5px;color:#cfd4dc;background:rgba(255,255,255,.05);
  border:1px solid var(--line-soft);border-radius:4px;padding:1px 5px}

/* ---------- 10. footer ---------- */
.foot{position:relative;z-index:3;border-top:1px solid var(--line-soft);margin-top:clamp(48px,7vw,96px)}
.foot-in{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px;padding:30px 0 40px;
         font:500 11.5px/1.6 var(--mono);letter-spacing:.1em;color:var(--muted-2);text-transform:uppercase}
.foot-in a{transition:color .3s}
.foot-in a:hover{color:var(--acid)}
.foot-mid{display:flex;gap:22px;flex-wrap:wrap}
.to-top{display:inline-flex;align-items:center;gap:8px}
.to-top svg{width:12px;height:12px}

/* ---------- 11. command palette ---------- */
.pal{position:fixed;inset:0;z-index:120;display:none;justify-items:center;align-items:start;padding:min(14vh,120px) 20px 40px;
     background:rgba(4,5,7,.66);backdrop-filter:blur(16px) saturate(1.1)}
.pal.on{display:grid;animation:palIn .3s var(--ease)}
@keyframes palIn{from{opacity:0}to{opacity:1}}
.pal-box{width:min(660px,100%);border:1px solid rgba(255,255,255,.14);border-radius:16px;overflow:hidden;
  background:#0c0e12;box-shadow:0 50px 140px -30px rgba(0,0,0,.9);animation:palUp .4s var(--ease-out)}
@keyframes palUp{from{transform:translateY(14px) scale(.985);opacity:0}to{transform:none;opacity:1}}
.pal-field{display:flex;align-items:center;gap:12px;padding:0 18px;border-bottom:1px solid var(--line)}
.pal-field svg{width:16px;height:16px;color:var(--muted-2);flex:none}
.pal-field input{flex:1;border:0;background:none;outline:none;color:var(--text);font-size:15.5px;height:58px;font-family:var(--sans)}
.pal-field input::placeholder{color:var(--muted-2)}
.pal-field kbd{font:500 10px/1 var(--mono);letter-spacing:.08em;color:var(--muted-2);border:1px solid var(--line);
  border-radius:5px;padding:4px 6px}
.pal-list{max-height:min(52vh,440px);overflow:auto;overscroll-behavior:contain;padding:8px}
.pal-item{display:grid;grid-template-columns:26px minmax(0,1fr) auto;gap:12px;align-items:center;
  padding:11px 12px;border-radius:9px;cursor:pointer;transition:background .18s}
.pal-item .pi-idx{font:500 10px/1 var(--mono);color:var(--muted-2)}
.pal-item .pi-t{font-size:14px;color:#e2e6ec;line-height:1.4}
.pal-item .pi-m{font:500 9.5px/1.4 var(--mono);letter-spacing:.14em;color:var(--muted-2);text-transform:uppercase;white-space:nowrap}
.pal-item.on{background:rgba(223,244,60,.12)}
.pal-item.on .pi-t{color:var(--acid)}
.pal-item.on .pi-idx{color:var(--acid)}
.pal-empty{padding:26px 16px;text-align:center;color:var(--muted-2);font-size:13px}
.pal-foot{display:flex;justify-content:space-between;gap:14px;padding:11px 18px;border-top:1px solid var(--line);
  font:500 10px/1 var(--mono);letter-spacing:.14em;color:var(--muted-2);text-transform:uppercase}

/* ---------- 12. motion gating ---------- */
.js [data-reveal]{opacity:0;transform:translateY(22px)}
.js .no-anim [data-reveal],.js [data-reveal].is-in{opacity:1;transform:none}
[data-reveal]{transition:opacity .85s var(--ease-out),transform .85s var(--ease-out);transition-delay:var(--d,0ms)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .js [data-reveal]{opacity:1!important;transform:none!important}
  .ticker-track{animation:none!important}
  .glow{display:none}
}

/* ---------- 13. responsive ---------- */
@media (max-height:840px) and (min-width:761px){
  .hero{padding-top:calc(var(--nav-h) + 6px)}
  .hero-top{font-size:10px}
  .hero-body{padding:26px 0 16px}
  .hero-eyebrow{margin-bottom:12px}
  .hero-cn{font-size:clamp(46px,8.4vw,116px)}
  .hero-en{margin-top:9px}
  .hero-lede{margin-top:14px;font-size:14.5px;line-height:1.75;max-width:40ch}
  .hero-actions{margin-top:18px}
  .btn{height:44px}
  .hero-stats{margin-top:20px;padding-top:14px}
  .hero-stats b{font-size:19px}
  .hero-scroll{bottom:96px}
  .ticker{padding:11px 0}
}
@media (max-width:1080px){
  .sel-wrap{grid-template-columns:minmax(0,1fr) minmax(0,.9fr)}
  .principles{grid-template-columns:1fr 1fr}
  .about-grid{grid-template-columns:1fr;gap:40px}
}
@media (max-width:900px){
  .sel-wrap{grid-template-columns:1fr}
  .sel-stage{display:none}
  .sel-thumb-m{display:block;position:relative;aspect-ratio:16/9;border-radius:10px;overflow:hidden;margin-top:14px;background:#0a0c0f}
  .sel-thumb-m img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
  .sel-link:hover .sel-thumb-m img{transform:scale(1.03)}
  .docs{grid-template-columns:1fr}
  .hero-scroll{display:none}
}
@media (max-width:760px){
  :root{--nav-h:62px}
  .nav-links{display:none}
  .kbd-btn{margin-left:auto}
  .hero-cn{font-size:clamp(48px,15vw,92px)}
  .hero-en{letter-spacing:.38em;font-size:10px}
  .hero-lede{font-size:14.5px}
  .btn{height:44px;padding:0 18px;font-size:13.5px}
  .hero-stats{gap:18px 26px}
  .principles{grid-template-columns:1fr;gap:26px}
  .mv-statement{max-width:none}
  .grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .arch-bar{flex-direction:column;align-items:flex-start}
  .brand-txt span{display:none}
}
@media (max-width:480px){
  .grid{grid-template-columns:1fr}
  .hero-top{font-size:9.5px;letter-spacing:.16em}
  .sel-link{grid-template-columns:34px minmax(0,1fr) 38px}
  .sel-arrow{width:36px;height:36px}
}

/* ---------- 14. hero intro ---------- */
/* Lenis */
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-smooth [data-lenis-prevent]{overscroll-behavior:contain}
.lenis.lenis-stopped{overflow:hidden}

.anim{opacity:0;transform:translateY(22px);animation:riseIn 1.05s var(--ease-out) forwards;animation-delay:var(--d,0ms)}
@keyframes riseIn{to{opacity:1;transform:none}}
.hero-cn.anim{clip-path:inset(0 0 12% 0);animation:riseIn 1.1s var(--ease-out) forwards,unclip 1.3s var(--ease-out) forwards;animation-delay:var(--d,0ms)}
@keyframes unclip{to{clip-path:inset(0 0 0 0)}}
@media (prefers-reduced-motion:reduce){
  .anim,.hero-cn.anim{opacity:1!important;transform:none!important;animation:none!important;clip-path:none!important}
}

/* ---------- 15. whole-card hit area ---------- */
.card-hit{position:absolute;inset:0;z-index:4;border-radius:inherit}
.card-body{pointer-events:none}
.card-alt{pointer-events:auto;position:relative;z-index:5}
.card:focus-within{border-color:rgba(223,244,60,.5)}
.card-hit:focus-visible{outline:2px solid var(--acid);outline-offset:-3px}

/* ---------- 16. typographic covers (PDF / no-image items) ---------- */
.card-media.cover{
  display:flex;flex-direction:column;justify-content:flex-end;gap:7px;padding:18px 18px 17px;
  background:linear-gradient(152deg,var(--cv-a,#15181d),var(--cv-b,#232a33));color:var(--cv-ink,#f2f4f7);
}
.card-media.cover .cv-grid{
  position:absolute;inset:0;opacity:.55;
  background-image:linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px),
                   linear-gradient(0deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:28px 28px;
  mask-image:linear-gradient(160deg,rgba(0,0,0,.9),transparent 78%);
}
.card-media.cover .cv-kicker{
  position:absolute;top:15px;left:18px;font:500 9.5px/1 var(--mono);letter-spacing:.2em;
  text-transform:uppercase;color:var(--cv-acc,#dff43c);opacity:.9
}
.card-media.cover .cv-title{
  position:relative;font-size:clamp(19px,1.75vw,23px);font-weight:700;line-height:1.22;
  letter-spacing:-.015em;color:var(--cv-ink,#f2f4f7)
}
.card-media.cover .cv-title::after{
  content:"";display:block;width:34px;height:2px;margin-top:12px;background:var(--cv-acc,#dff43c);opacity:.9
}
.card-media.cover .cv-meta{
  position:relative;font:500 9.5px/1.5 var(--mono);letter-spacing:.1em;text-transform:uppercase;opacity:.6
}
.card:hover .card-media.cover .cv-grid{opacity:.85}