/* ============================================================
   程大龙 · CHENG DALONG — long.lemusiclass.com
   暗色编辑风 · 陶土橙(与 lemusiclass.com 品牌系统 v1.0 同源)
   ============================================================ */

:root{
  --ink:#14120F;
  --ink2:#1C1915;
  --ink3:#0D0C0A;
  --cream:#F2EBDD;
  --cream-dim:rgba(242,235,221,.55);
  --cream-faint:rgba(242,235,221,.28);
  --terra:#CC785C;
  --terra2:#E89A7F;
  --sage:#A8B79A;
  --line:rgba(242,235,221,.14);
  --font-zh:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-en:"Avenir Next","DM Sans","Helvetica Neue",Arial,sans-serif;
  --font-mono:"SF Mono","Menlo","JetBrains Mono","Roboto Mono",monospace;
  --pad-x:6vw;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:auto}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}

body{
  background:var(--ink);
  color:var(--cream);
  font-family:var(--font-zh);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.loading{overflow:hidden}

::selection{background:var(--terra);color:var(--ink)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
main{position:relative;z-index:1}
.sr-only{
  position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;
  overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;
}
.skip-link{
  position:fixed;top:1rem;left:1rem;z-index:7000;padding:.7rem 1rem;border-radius:999px;
  background:var(--cream);color:var(--ink);font-weight:700;transform:translateY(-180%);transition:transform .2s;
}
.skip-link:focus{transform:translateY(0)}
:focus-visible{outline:2px solid var(--terra2);outline-offset:5px}

/* ---------- noise ---------- */
.noise{
  position:fixed;inset:-50%;z-index:2000;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity:.035;
}
@keyframes grain{
  0%,100%{transform:translate(0,0)}10%{transform:translate(-5%,-8%)}30%{transform:translate(4%,6%)}
  50%{transform:translate(-6%,4%)}70%{transform:translate(6%,-5%)}90%{transform:translate(-3%,7%)}
}

/* ---------- preloader ---------- */
#preloader{
  position:fixed;inset:0;z-index:5000;background:var(--ink);
  display:flex;align-items:center;justify-content:center;
}
.pre-inner{text-align:center;width:min(420px,80vw)}
.pre-logo{
  font-size:clamp(2.2rem,6vw,3.4rem);font-weight:800;letter-spacing:.08em;
}
.pre-logo em{font-style:normal;color:var(--terra)}
.pre-count{
  font-family:var(--font-mono);font-size:clamp(3rem,9vw,5rem);font-weight:700;
  color:var(--terra2);margin:1.4rem 0 .8rem;font-variant-numeric:tabular-nums;
}
.pre-bar{height:2px;background:var(--line);border-radius:2px;overflow:hidden}
.pre-bar i{display:block;height:100%;width:0;background:var(--terra)}
.pre-hint{
  margin-top:1.2rem;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.32em;color:var(--cream-dim);
}

/* ---------- cursor ---------- */
.cursor-dot,.cursor-ring{position:fixed;top:0;left:0;pointer-events:none;z-index:6000;border-radius:50%}
.cursor-dot{width:8px;height:8px;background:var(--terra);transform:translate(-50%,-50%)}
.cursor-ring{
  width:38px;height:38px;border:1.2px solid var(--cream);transform:translate(-50%,-50%);
  mix-blend-mode:difference;transition:width .3s,height .3s,border-color .3s;
  display:flex;align-items:center;justify-content:center;
}
.cursor-ring span{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;color:var(--cream);
  opacity:0;transition:opacity .2s;
}
.cursor-ring.is-hover{width:64px;height:64px}
.cursor-ring.is-label span{opacity:1}
@media(hover:none),(pointer:coarse){.cursor-dot,.cursor-ring{display:none}}

/* ---------- scroll progress ---------- */
.scroll-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:4000;background:transparent}
.scroll-progress i{display:block;height:100%;background:var(--terra);transform:scaleX(0);transform-origin:left}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:3000;
  display:flex;align-items:center;justify-content:space-between;
  padding:max(1.3rem,env(safe-area-inset-top)) max(4vw,env(safe-area-inset-right)) 1.3rem max(4vw,env(safe-area-inset-left));
  mix-blend-mode:difference;
}
.nav-logo{font-weight:800;font-size:1.15rem;letter-spacing:.06em}
.nav-logo sup{font-size:.55em;color:var(--terra);margin-left:2px}
.nav-links{display:flex;gap:2rem;align-items:center}
.nav-links a{
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.14em;color:var(--cream);
  position:relative;padding:8px 0;min-height:40px;display:inline-flex;align-items:center;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:var(--terra);transform:scaleX(0);transform-origin:right;transition:transform .35s cubic-bezier(.65,0,.35,1);
}
.nav-links a:hover::after{transform:scaleX(1);transform-origin:left}
.nav-links a[aria-current="location"]::after{transform:scaleX(1);transform-origin:left}
.nav-cta{border:1px solid var(--cream);border-radius:999px;padding:.45em 1.2em!important}
.nav-cta::after{display:none}
.nav-cta:hover{background:var(--cream);color:var(--ink)}

/* ---------- shared section bits ---------- */
section{position:relative;padding:16vh var(--pad-x);scroll-margin-top:5rem}
.sec-tag{
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.32em;color:var(--terra);
  margin-bottom:2.2rem;display:flex;align-items:center;gap:1rem;
}
.sec-tag::before{content:"";width:2.4rem;height:1px;background:var(--terra)}
.sec-title{
  font-size:clamp(2.4rem,6vw,4.6rem);font-weight:800;line-height:1.12;letter-spacing:.01em;
  margin-bottom:4rem;
}
.sec-title em{
  font-family:var(--font-en);font-style:italic;font-weight:700;color:var(--terra2);
}
.char{display:inline-block;will-change:transform}

/* ---------- hero ---------- */
#hero{
  height:100svh;min-height:640px;padding:0;
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.hero-glow{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(42% 36% at 28% 72%,rgba(204,120,92,.24),transparent 70%),
    radial-gradient(36% 30% at 76% 22%,rgba(168,183,154,.12),transparent 70%);
}
.hero-flower{
  position:absolute;left:-14vw;top:-16vh;width:44vw;max-width:640px;opacity:.1;pointer-events:none;
  animation:slowspin 120s linear infinite;
}
.hero-flower ellipse{fill:none;stroke:var(--cream);stroke-width:1}
@keyframes slowspin{to{transform:rotate(360deg)}}

.hero-stage{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center}

.hero-title{
  position:relative;z-index:1;text-align:center;user-select:none;
  top:-13vh;
}
.ht-zh{
  display:block;font-size:clamp(6.5rem,21vw,19rem);font-weight:800;line-height:.94;
  letter-spacing:.04em;color:var(--cream);
}
.ht-en{
  display:block;margin-bottom:2.2vh;
  font-family:var(--font-en);font-weight:700;font-style:italic;
  font-size:clamp(1.1rem,3vw,2.6rem);letter-spacing:.46em;text-indent:.46em;
  color:transparent;-webkit-text-stroke:1.3px rgba(242,235,221,.5);
}

.hero-figure{
  position:absolute;z-index:2;bottom:0;height:70vh;max-height:720px;
  display:flex;align-items:flex-end;will-change:transform;
}
.hero-clay{
  height:100%;width:auto;object-fit:contain;
  filter:drop-shadow(0 30px 60px rgba(0,0,0,.55));
  user-select:none;-webkit-user-drag:none;
}

.hero-stickers{position:absolute;inset:0;z-index:3;pointer-events:none}
.sticker{
  position:absolute;left:var(--sx);top:var(--sy);
  display:inline-flex;align-items:center;gap:.5em;
  padding:.6em 1.15em;border-radius:999px;
  border:1.5px solid var(--cream);
  background:var(--sb,rgba(20,18,15,.6));
  color:var(--sf,var(--cream));
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  font-family:var(--font-mono);font-size:clamp(10px,1.05vw,13px);letter-spacing:.08em;white-space:nowrap;
  transform:rotate(var(--sr,0deg));
  pointer-events:auto;cursor:default;
  box-shadow:0 8px 24px rgba(0,0,0,.35);
  will-change:transform;
}

.hero-meta{
  position:absolute;bottom:16vh;z-index:3;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;line-height:2;
  color:var(--cream-dim);
}
.hero-meta span{display:block}
.hero-meta-l{left:4vw}
.hero-meta-r{right:4vw;text-align:right}

.hero-badge{position:absolute;z-index:3;right:5vw;top:16vh;width:clamp(96px,11vw,150px)}
.hero-badge svg{width:100%;overflow:visible;animation:slowspin 18s linear infinite}
.badge-text{
  font-family:var(--font-mono);font-size:15.5px;letter-spacing:.34em;
  fill:var(--cream);
}
.badge-flower ellipse{fill:var(--terra)}
.hero-badge svg .badge-flower{animation:none}

.scroll-cue{
  position:absolute;bottom:4.5vh;left:50%;transform:translateX(-50%);z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:.7rem;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.4em;color:var(--cream-dim);
}
.scroll-cue i{width:1px;height:44px;background:var(--cream-dim);position:relative;overflow:hidden}
.scroll-cue i::after{
  content:"";position:absolute;left:0;top:-100%;width:100%;height:100%;
  background:var(--terra);animation:cue 1.8s cubic-bezier(.65,0,.35,1) infinite;
}
@keyframes cue{0%{top:-100%}55%{top:0}100%{top:100%}}

/* ---------- marquee ---------- */
.marquee{
  position:relative;z-index:2;background:var(--terra);color:var(--ink);
  transform:rotate(-2deg) scale(1.03);margin:-3vh 0 2vh;
  padding:1.05rem 0;overflow:hidden;user-select:none;
}
.marquee-track{display:flex;width:max-content;animation:marquee 26s linear infinite}
.marquee-track span{
  font-size:clamp(1.1rem,2.6vw,1.9rem);font-weight:800;letter-spacing:.06em;white-space:nowrap;
  padding-right:.6em;
}
.marquee-track i{font-style:normal;margin:0 .6em;font-size:.6em;vertical-align:middle;opacity:.55}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- about ---------- */
.manifesto{
  max-width:62ch;
  font-size:clamp(1.55rem,3.6vw,3rem);font-weight:600;line-height:1.65;letter-spacing:.01em;
}
.manifesto .mw{opacity:.13;transition:none}
.about-grid{
  display:grid;grid-template-columns:minmax(280px,420px) 1fr;
  gap:6vw;align-items:start;margin-top:9vh;
}
.about-photo figcaption{
  margin-top:1.1rem;font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--cream-dim);
}
.photo-frame{
  position:relative;border-radius:18px;transform-style:preserve-3d;will-change:transform;
}
.photo-crop{
  aspect-ratio:4/5;overflow:hidden;border-radius:18px;border:1px solid var(--line);
  box-shadow:0 30px 80px rgba(0,0,0,.5);
}
.photo-crop img{width:100%;height:100%;object-fit:cover;object-position:50% 30%}
.photo-frame .sticker{font-size:12px}
.photo-frame .ps1{--sb:var(--terra);--sf:var(--ink);right:-14px;top:-16px;left:auto;--sr:8deg}
.photo-frame .ps2{--sb:var(--sage);--sf:var(--ink);left:-16px;bottom:20px;top:auto;--sr:-7deg}
.about-roles{padding-top:1vh}
.roles-label{font-family:var(--font-mono);font-size:13px;letter-spacing:.3em;color:var(--cream-dim)}
.roles-scramble{
  font-size:clamp(2.2rem,5.5vw,4.4rem);font-weight:800;color:var(--terra2);
  min-height:1.3em;margin:.4rem 0 3rem;font-variant-numeric:tabular-nums;
}
.about-facts{list-style:none}
.about-facts li{
  display:flex;gap:2rem;padding:1.15rem 0;border-top:1px solid var(--line);
  font-size:.95rem;
}
.about-facts b{
  flex:0 0 5.5em;font-family:var(--font-mono);font-weight:400;font-size:12px;
  letter-spacing:.2em;color:var(--terra);padding-top:.25em;
}
.about-facts span{color:var(--cream-dim)}

/* ---------- numbers ---------- */
.num-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:2.5rem 3rem;
}
@media(min-width:1501px){
  .num-grid{grid-template-columns:repeat(5,1fr)}
}
.num-card{border-top:1px solid var(--line);padding-top:1.6rem}
.num-card .num{
  display:block;white-space:nowrap;
  font-family:var(--font-en);font-style:italic;font-weight:800;
  font-size:clamp(3.2rem,5.4vw,5.2rem);line-height:1;color:var(--cream);
  font-variant-numeric:tabular-nums;
}
.num-card .num .suffix{font-size:.45em;color:var(--terra2);margin-left:.08em}
.num-card > span{
  display:block;margin-top:.9rem;font-size:.85rem;color:var(--cream-dim);letter-spacing:.05em;
}
.num-wide{grid-column:span 1}
.num-wide .num{color:var(--terra)}

/* ---------- timeline ---------- */
#timeline{padding-left:0;padding-right:0}
.tl-head{padding:0 var(--pad-x)}
.tl-pin{
  position:relative;height:100vh;display:flex;flex-direction:column;justify-content:center;
  overflow:hidden;
}
.tl-track{
  display:flex;gap:2.2vw;padding:0 8vw;width:max-content;align-items:stretch;
  will-change:transform;
}
.tl-card{
  flex:0 0 auto;width:min(430px,80vw);
  border:1px solid var(--line);border-radius:18px;background:var(--ink2);
  padding:2.4rem 2.2rem;display:flex;flex-direction:column;gap:1rem;
}
.tl-card b{
  font-family:var(--font-en);font-style:italic;font-weight:800;
  font-size:clamp(2.8rem,4.5vw,4rem);line-height:1;color:var(--terra2);
}
.tl-card h3{font-size:1.35rem;font-weight:800}
.tl-card p{font-size:.92rem;color:var(--cream-dim);line-height:1.8}
.tl-card.tl-dark{background:var(--terra);border-color:var(--terra);color:var(--ink)}
.tl-card.tl-dark b{color:var(--ink)}
.tl-card.tl-dark p{color:rgba(20,18,15,.72)}
.tl-card.tl-now{border-color:var(--terra);box-shadow:0 0 0 1px var(--terra),0 24px 60px rgba(204,120,92,.15)}
.tl-end{
  flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  width:min(430px,80vw);
  font-size:clamp(2.4rem,4vw,3.6rem);font-weight:800;line-height:1.3;color:var(--cream-faint);
}
.tl-progress{
  margin:6vh 8vw 0;height:2px;background:var(--line);border-radius:2px;overflow:hidden;
}
.tl-progress i{display:block;height:100%;background:var(--terra);transform:scaleX(0);transform-origin:left}
.tl-vertical .tl-pin{height:auto}
.tl-vertical .tl-track{flex-direction:column;width:auto;padding:0 var(--pad-x);transform:none!important}
.tl-vertical .tl-card,.tl-vertical .tl-end{width:100%}

/* ---------- business ---------- */
.biz-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5vw;perspective:1200px}
.biz-card{
  position:relative;border:1px solid var(--line);border-radius:22px;
  background:linear-gradient(160deg,var(--ink2),var(--ink3));
  padding:3rem 2.8rem 2.6rem;transform-style:preserve-3d;will-change:transform;
  display:flex;flex-direction:column;gap:1.2rem;min-height:460px;
}
.biz-card.biz-alt{background:var(--cream);color:var(--ink);border-color:var(--cream)}
.biz-head{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:12px;letter-spacing:.24em}
.biz-no{color:var(--terra)}
.biz-est{color:var(--cream-dim)}
.biz-alt .biz-est{color:rgba(20,18,15,.5)}
.biz-card h3{font-size:clamp(2.2rem,4vw,3.4rem);font-weight:800;transform:translateZ(40px)}
.biz-sub{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.1em;color:var(--cream-dim)}
.biz-alt .biz-sub{color:rgba(20,18,15,.55)}
.biz-lines{list-style:none;display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.6rem}
.biz-lines li{
  border:1px solid var(--line);border-radius:999px;padding:.5em 1.1em;
  font-size:.85rem;
}
.biz-alt .biz-lines li{border-color:rgba(20,18,15,.3)}
.biz-note{margin-top:auto;font-size:.88rem;line-height:1.9;color:var(--cream-dim)}
.biz-alt .biz-note{color:rgba(20,18,15,.65)}
.biz-link{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.14em;color:var(--terra2);
  border-bottom:1px solid var(--terra2);align-self:flex-start;padding-bottom:2px;
}
.biz-alt .biz-link{color:var(--terra);border-color:var(--terra)}
.biz-static{border-bottom:none;color:rgba(20,18,15,.55)}

/* ---------- music ---------- */
#music{overflow:hidden}
.music-yolo{
  position:absolute;right:-3vw;top:14vh;z-index:0;
  font-family:var(--font-en);font-weight:800;font-style:italic;
  font-size:clamp(8rem,24vw,22rem);line-height:1;letter-spacing:-.02em;
  color:transparent;-webkit-text-stroke:1.5px var(--cream-faint);
  user-select:none;pointer-events:none;
}
.eq{
  position:absolute;left:var(--pad-x);bottom:8vh;z-index:0;
  display:flex;align-items:flex-end;gap:7px;height:70px;opacity:.5;
}
.eq i{
  width:5px;background:var(--terra2);border-radius:3px;
  animation:eq 1.1s ease-in-out infinite alternate;
}
.eq i:nth-child(1){height:30%;animation-delay:0s}
.eq i:nth-child(2){height:60%;animation-delay:.15s}
.eq i:nth-child(3){height:90%;animation-delay:.3s}
.eq i:nth-child(4){height:45%;animation-delay:.45s}
.eq i:nth-child(5){height:75%;animation-delay:.6s}
.eq i:nth-child(6){height:35%;animation-delay:.75s}
.eq i:nth-child(7){height:85%;animation-delay:.9s}
.eq i:nth-child(8){height:55%;animation-delay:1.05s}
.eq i:nth-child(9){height:95%;animation-delay:1.2s}
.eq i:nth-child(10){height:40%;animation-delay:1.35s}
.eq i:nth-child(11){height:65%;animation-delay:1.5s}
.eq i:nth-child(12){height:25%;animation-delay:1.65s}
@keyframes eq{from{transform:scaleY(.35)}to{transform:scaleY(1)}}
#music .sec-title,#music .sec-tag{position:relative;z-index:1}
.music-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:2vh;
}
.music-card{
  border:1px solid var(--line);border-radius:16px;padding:2.2rem 2rem;
  background:rgba(28,25,21,.72);backdrop-filter:blur(8px);
}
.music-card h3{font-size:1.3rem;font-weight:800;margin-bottom:.9rem;color:var(--terra2)}
.music-card p{font-size:.92rem;color:var(--cream-dim);line-height:1.9}

/* ---------- ai ---------- */
.ai-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:2.5vw;align-items:start}
.terminal{
  border:1px solid var(--line);border-radius:14px;background:var(--ink3);
  overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.45);
}
.term-bar{
  display:flex;align-items:center;gap:7px;padding:.8rem 1.1rem;
  border-bottom:1px solid var(--line);background:rgba(242,235,221,.03);
}
.term-bar i{width:11px;height:11px;border-radius:50%;background:var(--cream-faint)}
.term-bar i:nth-child(1){background:#E0655F}
.term-bar i:nth-child(2){background:#E0B65F}
.term-bar i:nth-child(3){background:#6FBF73}
.term-bar span{margin-left:auto;font-family:var(--font-mono);font-size:11px;color:var(--cream-dim)}
.term-body{padding:1.6rem 1.4rem;font-family:var(--font-mono);font-size:13.5px;line-height:2.1;min-height:300px}
.term-body p{white-space:pre-wrap;word-break:break-word}
.term-body .cmd{color:var(--terra2)}
.term-body .out{color:var(--cream)}
.term-body .caret{
  display:inline-block;width:.55em;height:1.05em;background:var(--terra2);
  vertical-align:-.15em;animation:blink 1s steps(1) infinite;
}
@keyframes blink{50%{opacity:0}}
.ai-cards{display:flex;flex-direction:column;gap:1.4rem}
.ai-card{
  border:1px solid var(--line);border-radius:16px;padding:1.8rem 1.9rem;background:var(--ink2);
}
.ai-card h3{font-size:1.15rem;font-weight:800;color:var(--terra2);margin-bottom:.6rem}
.ai-card p{font-size:.9rem;color:var(--cream-dim);line-height:1.9}

/* ---------- credo ---------- */
#credo{
  text-align:center;padding:24vh var(--pad-x);
}
.credo-big{
  font-size:clamp(2.15rem,8.8vw,8.6rem);font-weight:800;line-height:1.22;letter-spacing:.025em;white-space:pre-line;
}
.credo-sub{
  margin-top:3rem;font-family:var(--font-mono);font-size:13px;letter-spacing:.2em;color:var(--cream-dim);
}

/* ---------- footer ---------- */
footer{
  border-top:1px solid var(--line);padding:10vh var(--pad-x) 4vh;
  background:var(--ink3);
}
.foot-main{
  display:flex;justify-content:space-between;gap:4rem;flex-wrap:wrap;margin-bottom:8vh;
}
.foot-name{font-size:clamp(2.4rem,6vw,4.4rem);font-weight:800;line-height:1.1}
.foot-name span{
  display:block;font-family:var(--font-en);font-style:italic;font-weight:700;
  font-size:.32em;letter-spacing:.3em;color:var(--terra2);margin-top:.8rem;
}
.foot-cols{display:flex;gap:4.5rem;flex-wrap:wrap}
.foot-col{display:flex;flex-direction:column;gap:.8rem;font-size:.95rem}
.foot-label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.3em;color:var(--terra);
}
.foot-col a{border-bottom:1px solid var(--line);padding-bottom:2px;transition:border-color .3s}
.foot-col a:hover{border-color:var(--terra2);color:var(--terra2)}
.foot-base{
  display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;
  padding-top:2.2rem;border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--cream-dim);
}

/* ---------- responsive ---------- */
@media(max-width:1100px){
  .num-grid{grid-template-columns:repeat(2,1fr)}
  .ai-grid{grid-template-columns:1fr}
}
@media(max-width:900px){
  section{padding:12vh var(--pad-x)}
  .hero-title{top:-9vh}
  .nav-links{gap:1rem}
  .nav-links a:not(.nav-cta):not(.nav-mobile-link){display:none}
  .hero-meta{display:none}
  .hero-badge{top:12vh;right:4vw}
  .hero-figure{height:60vh}
  .hero-stickers .sticker{font-size:11px;max-width:min(58vw,220px);padding:.55em 1em}
  .hero-stickers .sticker:nth-child(1),
  .hero-stickers .sticker:nth-child(4),
  .hero-stickers .sticker:nth-child(8){display:none}
  .hero-stickers .sticker:nth-child(2){left:auto;right:3vw;top:16%}
  .hero-stickers .sticker:nth-child(3){left:auto;right:-2vw;top:44%}
  .hero-stickers .sticker:nth-child(5){left:4vw;top:72%}
  .hero-stickers .sticker:nth-child(6){left:auto;right:3vw;top:66%}
  .hero-stickers .sticker:nth-child(7){left:auto;right:2vw;top:89%}
  .hero-stickers .sticker:nth-child(9){left:50%;top:8%;transform:translateX(-50%) rotate(var(--sr,0deg))}
  .about-grid{grid-template-columns:1fr;gap:5vh}
  .about-photo{max-width:420px}
  .biz-grid{grid-template-columns:1fr}
  .biz-card{min-height:420px}
  .music-grid{grid-template-columns:1fr}
  .music-yolo{top:auto;bottom:2vh;font-size:34vw}
  .eq{display:none}
  .sticker{font-size:10px}
  .hero-stickers .sticker:nth-child(4),.hero-stickers .sticker:nth-child(8){display:none}
}
@media(max-width:560px){
  :root{--pad-x:5.5vw}
  .nav{padding-top:max(1rem,env(safe-area-inset-top));padding-bottom:1rem}
  .nav-logo{font-size:1rem}
  .nav-links{gap:.75rem}
  .nav-links a{font-size:11px;min-height:44px}
  .nav-cta{padding:.35em .95em!important}
  .num-grid{grid-template-columns:1fr 1fr;gap:1.8rem 1.2rem}
  .ht-zh{font-size:26vw}
  .hero-figure{height:54vh}
  .hero-badge{display:none}
  .hero-stickers .sticker:nth-child(1),
  .hero-stickers .sticker:nth-child(5){display:none}
  .about-facts li{gap:1rem;align-items:flex-start}
  .about-facts b{flex-basis:4.5em}
  .biz-card{padding:2.2rem 1.5rem;min-height:auto}
  .foot-cols{gap:2.5rem;width:100%}
  .foot-col{min-width:42%}
}

/* ---------- reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .marquee-track{animation:none}
  .hero-badge svg,.hero-flower{animation:none}
  .manifesto .mw{opacity:1}
  .scroll-cue i::after{display:none}
}