/* =========================================================
   作品集 · AE × AI 买量素材
   手机优先 · 竖屏信息流 · 深色科技感
   ========================================================= */

/* ---------- tokens ---------- */
:root{
  --bg:#07080B;
  --bg-2:#0B0D12;
  --surface:#101319;
  --surface-2:#161A22;
  --line:rgba(255,255,255,.075);
  --line-2:rgba(255,255,255,.14);
  --text:#F2F4F7;
  --text-2:#B4BBC8;
  --muted:#78808F;
  --accent:#C8FF3D;
  --accent-soft:rgba(200,255,61,.12);
  --violet:#8B5CF6;
  --cyan:#38BDF8;
  --orange:#FF8A3D;
  --radius:18px;
  --radius-sm:12px;
  --wrap:1180px;
  --ease:cubic-bezier(.22,.8,.24,1);
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Bahnschrift","DIN Alternate","SF Mono",Consolas,ui-monospace,monospace;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:15px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,p,ul{margin:0}
ul{padding:0;list-style:none}
code{font-family:var(--font-num);font-size:.92em;background:rgba(255,255,255,.08);padding:1px 5px;border-radius:5px}

::selection{background:var(--accent);color:#07080B}

/* ---------- background fx ---------- */
.bg-grid{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 10%,transparent 78%);
          mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 10%,transparent 78%);
}
.bg-glow{
  position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;
}
.bg-glow::before,.bg-glow::after{
  content:"";position:absolute;border-radius:50%;filter:blur(90px);
}
.bg-glow::before{
  width:60vw;height:60vw;max-width:760px;max-height:760px;
  top:-26vw;left:-14vw;
  background:radial-gradient(circle,rgba(139,92,246,.20),transparent 68%);
}
.bg-glow::after{
  width:52vw;height:52vw;max-width:680px;max-height:680px;
  top:6vw;right:-18vw;
  background:radial-gradient(circle,rgba(200,255,61,.10),transparent 68%);
}
main,.nav,.foot{position:relative;z-index:1}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:60;
  background:rgba(7,8,11,.72);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
          backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;height:58px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.brand-dot{
  width:9px;height:9px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px var(--accent-soft),0 0 16px rgba(200,255,61,.7);
  animation:breathe 2.6s ease-in-out infinite;
}
@keyframes breathe{50%{opacity:.45;transform:scale(.82)}}
.nav-links{display:flex;gap:22px;margin-left:auto;font-size:13.5px;color:var(--text-2)}
.nav-links a{position:relative;padding:4px 0;transition:color .25s}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;
  background:var(--accent);transition:right .35s var(--ease);
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{right:0}
.nav-cta{
  margin-left:auto;font-size:13px;font-weight:600;
  padding:7px 15px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--text);
  transition:background .25s,border-color .25s,color .25s;
}
.nav-links + .nav-cta{margin-left:0}
.nav-cta:hover{background:var(--accent);border-color:var(--accent);color:#07080B}
.scroll-progress{height:2px;background:transparent}
.scroll-progress i{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--violet),var(--accent));
  box-shadow:0 0 12px rgba(200,255,61,.5);
}

/* ---------- hero ---------- */
.hero{
  display:grid;grid-template-columns:1.08fr .72fr;gap:56px;align-items:center;
  padding-top:clamp(46px,7vw,92px);padding-bottom:clamp(38px,5vw,64px);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-2);
  border:1px solid var(--line-2);border-radius:999px;
  padding:5px 13px 5px 11px;margin-bottom:24px;
  background:rgba(255,255,255,.02);
}
.pulse{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 0 rgba(200,255,61,.6);animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(200,255,61,.55)}
  70%{box-shadow:0 0 0 9px rgba(200,255,61,0)}
  100%{box-shadow:0 0 0 0 rgba(200,255,61,0)}
}
.hero-title{
  font-size:clamp(34px,5.4vw,62px);
  line-height:1.06;letter-spacing:-.035em;font-weight:800;
}
.hero-title .hl{
  background:linear-gradient(100deg,var(--accent),#8BFFB8 55%,var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-title .thin{color:var(--muted);font-weight:500}
.lede{
  margin-top:20px;max-width:44ch;
  color:var(--text-2);font-size:clamp(14.5px,1.35vw,16.5px);line-height:1.75;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.hero-tags li{
  font-size:12.5px;color:var(--text-2);
  border:1px solid var(--line);border-radius:8px;
  padding:4px 10px;background:rgba(255,255,255,.025);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:12px;
  font-size:14px;font-weight:600;letter-spacing:.01em;
  transition:transform .25s var(--ease),background .25s,color .25s,border-color .25s,box-shadow .3s;
}
.btn:active{transform:scale(.975)}
.btn-primary{background:var(--accent);color:#07080B;box-shadow:0 8px 26px rgba(200,255,61,.22)}
.btn-primary:hover{box-shadow:0 12px 34px rgba(200,255,61,.36);transform:translateY(-2px)}
.btn-primary .arr{transition:transform .3s var(--ease)}
.btn-primary:hover .arr{transform:translateX(4px)}
.btn-ghost{border:1px solid var(--line-2);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--text-2);background:rgba(255,255,255,.06)}
.hero-note{margin-top:18px;font-size:12.5px;color:var(--muted)}

/* hero stage */
.hero-stage{position:relative;display:flex;justify-content:center;align-items:center;min-height:340px}
.hero-card{
  position:relative;width:100%;max-width:286px;aspect-ratio:9/16;
  border-radius:22px;overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  background:var(--surface);
  box-shadow:0 34px 80px rgba(0,0,0,.72),0 0 0 1px rgba(255,255,255,.03) inset;
  transform:rotate(-2.4deg);
  transition:transform .6s var(--ease),box-shadow .6s;
  cursor:pointer;
}
.hero-card:hover{transform:rotate(0deg) translateY(-6px);box-shadow:0 44px 96px rgba(0,0,0,.8)}
.hero-card img{width:100%;height:100%;object-fit:cover}
.hero-card-body{position:absolute;left:0;right:0;bottom:0;padding:54px 16px 16px;z-index:2;
  background:linear-gradient(to top,rgba(4,5,8,.96) 0%,rgba(4,5,8,.86) 38%,rgba(4,5,8,.45) 68%,rgba(4,5,8,0) 100%);
  border-radius:0 0 21px 21px}
.hero-card-cat{
  font-size:10.5px;letter-spacing:.12em;font-weight:700;
  color:#07080B;background:var(--accent);
  padding:2px 8px;border-radius:5px;display:inline-block;margin-bottom:8px;
}
.hero-card-title{font-size:15px;font-weight:700;line-height:1.35;
  text-shadow:0 1px 4px rgba(0,0,0,.9),0 0 14px rgba(0,0,0,.55)}
.hero-card-sub{margin-top:4px;font-size:11.5px;color:var(--text-2)}
.hero-play{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);
  width:54px;height:54px;border-radius:50%;z-index:2;
  background:rgba(10,12,16,.55);border:1px solid rgba(255,255,255,.35);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  display:grid;place-items:center;
  transition:background .25s,transform .3s var(--ease);
}
.hero-play svg{margin-left:3px}
.hero-card:hover .hero-play{background:var(--accent);border-color:var(--accent)}
.hero-card:hover .hero-play svg path{fill:#07080B}
.badge{
  position:absolute;z-index:3;
  display:flex;flex-direction:column;gap:1px;
  padding:9px 13px;border-radius:12px;
  background:rgba(13,16,22,.82);
  border:1px solid var(--line-2);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:0 12px 30px rgba(0,0,0,.5);
  animation:float 6s ease-in-out infinite;
}
.badge b{font-family:var(--font-num);font-size:16px;letter-spacing:.01em;color:var(--accent);line-height:1.2}
.badge span{font-size:10.5px;color:var(--muted);white-space:nowrap}
.badge-a{left:-6%;bottom:20%;animation-delay:-1.4s}
.badge-b{right:-4%;top:14%;animation-delay:-3.2s}
@keyframes float{50%{transform:translateY(-9px)}}

/* ---------- marquee ---------- */
.marquee{
  overflow:hidden;padding:15px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.014);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
}
.marquee-track{display:flex;width:max-content;animation:scrollX 42s linear infinite}
.marquee-track span{
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);padding:0 22px;white-space:nowrap;
  display:inline-flex;align-items:center;gap:22px;
}
.marquee-track span::after{content:"✦";color:var(--accent);font-size:10px;opacity:.7}
@keyframes scrollX{to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
.section{padding-top:clamp(56px,7vw,92px)}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:28px;
}
.sec-no{
  display:block;font-family:var(--font-num);font-size:11px;letter-spacing:.28em;
  color:var(--accent);margin-bottom:8px;
}
.sec-head h2{font-size:clamp(23px,2.9vw,32px);letter-spacing:-.03em;font-weight:750}
.sec-head h2 em{
  font-style:normal;font-family:var(--font-num);font-size:.62em;
  color:var(--muted);margin-left:6px;vertical-align:middle;
}
.sec-sub{color:var(--muted);font-size:13px;max-width:40ch;text-align:right;line-height:1.6}

/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.stat{
  position:relative;overflow:hidden;
  padding:24px 20px 22px;border-radius:16px;
  border:1px solid var(--line);
  background:linear-gradient(165deg,var(--surface) 0%,var(--bg-2) 100%);
  transition:border-color .3s,transform .4s var(--ease);
}
.stat::after{
  content:"";position:absolute;right:-24px;top:-24px;width:86px;height:86px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,255,61,.20),transparent 70%);
  opacity:.7;
}
.stat:hover{border-color:rgba(200,255,61,.34);transform:translateY(-3px)}
.stat-val{
  font-family:var(--font-num);font-size:clamp(24px,2.9vw,34px);
  letter-spacing:-.02em;line-height:1.1;font-weight:600;
  display:flex;align-items:baseline;gap:1px;
}
.stat-val .pre,.stat-val .suf{font-size:.52em;color:var(--text-2);font-weight:500}
.stat-lab{margin-top:9px;font-size:12.5px;color:var(--text-2);font-weight:600}
.stat-note{margin-top:2px;font-size:11px;color:var(--muted)}
.demo-hint{
  margin-top:16px;font-size:12px;color:var(--muted);
  border:1px dashed rgba(255,190,60,.28);border-radius:10px;
  padding:9px 13px;background:rgba(255,190,60,.05);
}

/* ---------- streams ---------- */
.stream-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.stream{
  position:relative;overflow:hidden;
  padding:26px 24px 24px;border-radius:18px;text-align:left;width:100%;
  border:1px solid var(--line);
  background:linear-gradient(160deg,var(--surface) 0%,var(--bg-2) 100%);
  transition:border-color .3s,transform .45s var(--ease),box-shadow .45s;
}
.stream::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 90% at 100% 0%,var(--c),transparent 62%);
  opacity:.13;transition:opacity .45s;
}
.stream:hover{transform:translateY(-5px);border-color:var(--c);box-shadow:0 26px 50px rgba(0,0,0,.5)}
.stream:hover::before{opacity:.24}
.stream-no{
  font-family:var(--font-num);font-size:11px;letter-spacing:.26em;color:var(--c);
  display:flex;align-items:center;justify-content:space-between;
}
.stream-count{
  font-family:var(--font-num);font-size:11px;letter-spacing:.1em;color:var(--muted);
  border:1px solid var(--line-2);border-radius:999px;padding:1px 9px;
}
.stream h3{margin-top:22px;font-size:17.5px;letter-spacing:-.01em;font-weight:700;position:relative}
.stream p{margin-top:8px;font-size:12.5px;line-height:1.7;color:var(--text-2);position:relative}
.stream-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px;position:relative}
.stream-tags i{
  font-style:normal;font-size:11px;color:var(--muted);
  border:1px solid var(--line);border-radius:6px;padding:2px 7px;
}
.stream-arrow{
  position:absolute;right:24px;bottom:22px;font-size:15px;color:var(--c);
  opacity:0;transform:translateX(-6px);transition:opacity .3s,transform .3s var(--ease);
}
.stream:hover .stream-arrow{opacity:1;transform:none}

/* ---------- filters ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  height:36px;padding:0 15px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--text-2);
  font-size:13px;font-weight:500;transition:all .25s;
}
.chip b{
  font-family:var(--font-num);font-size:11px;font-weight:600;
  color:var(--muted);transition:color .25s;
}
.chip:hover{border-color:var(--text-2);color:var(--text)}
.chip.is-active{background:var(--accent);border-color:var(--accent);color:#07080B;font-weight:700}
.chip.is-active b{color:rgba(7,8,11,.55)}

/* ---------- wall ---------- */
.wall{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
.card{
  position:relative;aspect-ratio:9/16;border-radius:15px;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  cursor:pointer;text-align:left;width:100%;
  transition:transform .5s var(--ease),border-color .3s,box-shadow .5s;
  -webkit-tap-highlight-color:transparent;
}
.card:hover{transform:translateY(-6px);border-color:rgba(200,255,61,.45);box-shadow:0 26px 50px rgba(0,0,0,.6)}
.card.is-out{display:none}
.card-img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .75s var(--ease),filter .4s;
  background:var(--surface-2);
}
.card:hover .card-img{transform:scale(1.055);filter:brightness(1.06)}
.card-top{
  position:absolute;top:10px;left:10px;right:10px;
  display:flex;align-items:flex-start;justify-content:space-between;gap:6px;z-index:2;
}
.card-cat{
  font-size:10px;font-weight:700;letter-spacing:.02em;
  padding:3px 7px;border-radius:5px;
  background:var(--c);color:#07080B;
  max-width:78%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.card-dur{
  font-family:var(--font-num);font-size:10.5px;
  padding:3px 6px;border-radius:5px;
  background:rgba(0,0,0,.55);color:#E7EAF0;
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
}
.card-wm{
  position:absolute;left:50%;top:48%;z-index:2;
  transform:translate(-50%,-50%) rotate(-22deg);
  font-size:10px;letter-spacing:.12em;color:rgba(255,255,255,.30);
  white-space:nowrap;pointer-events:none;
}
.card-play{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%) scale(.86);
  width:46px;height:46px;border-radius:50%;z-index:2;
  background:rgba(8,10,14,.5);border:1px solid rgba(255,255,255,.28);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  display:grid;place-items:center;
  opacity:0;transition:opacity .3s,transform .35s var(--ease),background .25s;
}
.card-play svg{margin-left:2px}
.card:hover .card-play{opacity:1;transform:translate(-50%,-50%) scale(1)}
.card:hover .card-play{background:rgba(200,255,61,.92);border-color:transparent}
.card:hover .card-play svg path{fill:#07080B}
.card-body{position:absolute;left:0;right:0;bottom:0;padding:50px 12px 13px;z-index:2;
  background:linear-gradient(to top,rgba(4,5,8,.97) 0%,rgba(4,5,8,.9) 34%,rgba(4,5,8,.55) 68%,rgba(4,5,8,0) 100%);
  border-radius:0 0 14px 14px}
.card-title{
  font-size:13.5px;font-weight:700;line-height:1.35;
  text-shadow:0 1px 4px rgba(0,0,0,.92),0 0 12px rgba(0,0,0,.6);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-sub{margin-top:5px;font-size:10.5px;color:var(--text-2);line-height:1.45;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-metrics{
  display:flex;gap:9px;margin-top:10px;padding-top:9px;
  border-top:1px solid rgba(255,255,255,.11);
}
.card-metrics div{flex:1;min-width:0}
.card-metrics b{
  display:block;font-family:var(--font-num);font-size:12px;font-weight:600;
  color:var(--accent);line-height:1.25;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.card-metrics i{display:block;font-style:normal;font-size:9.5px;color:var(--muted);margin-top:1px}
.empty{color:var(--muted);font-size:13px;padding:32px 0;text-align:center}

/* ---------- cases ---------- */
.cases{display:grid;gap:16px}
.case{
  border:1px solid var(--line);border-radius:18px;overflow:hidden;
  background:linear-gradient(160deg,var(--surface) 0%,var(--bg-2) 100%);
}
.case-head{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:22px 24px;border-bottom:1px solid var(--line);
}
.case-k{
  font-size:10.5px;font-weight:700;letter-spacing:.14em;
  color:#07080B;background:var(--c,var(--accent));
  padding:3px 9px;border-radius:5px;
}
.case-head h3{font-size:16.5px;letter-spacing:-.01em;font-weight:700;flex:1;min-width:200px}
.case-metrics{display:flex;gap:20px;margin-left:auto}
.case-metrics div{text-align:right}
.case-metrics b{display:block;font-family:var(--font-num);font-size:16px;color:var(--accent);line-height:1.2}
.case-metrics i{display:block;font-style:normal;font-size:10.5px;color:var(--muted)}
.case-steps{display:grid;grid-template-columns:repeat(4,1fr)}
.case-step{padding:20px 22px;border-right:1px solid var(--line);position:relative}
.case-step:last-child{border-right:0}
.case-step::before{
  content:"";position:absolute;left:22px;top:26px;width:5px;height:5px;border-radius:50%;
  background:var(--c,var(--accent));box-shadow:0 0 10px var(--c,var(--accent));
}
.case-step span{
  display:block;font-size:11px;letter-spacing:.1em;color:var(--muted);
  padding-left:14px;margin-bottom:7px;
}
.case-step p{font-size:12.5px;line-height:1.72;color:var(--text-2)}
.case-step p b{color:var(--text);font-weight:600}

/* ---------- contact ---------- */
.contact-card{
  display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;
  border:1px solid var(--line);border-radius:22px;overflow:hidden;
  padding:clamp(26px,4vw,44px);
  background:
    radial-gradient(90% 120% at 100% 0%,rgba(200,255,61,.10),transparent 58%),
    linear-gradient(160deg,var(--surface) 0%,var(--bg-2) 100%);
}
.contact-left h2{font-size:clamp(24px,3.1vw,34px);letter-spacing:-.03em;margin-top:2px}
.contact-left .sec-sub{text-align:left;margin-top:10px;max-width:36ch}
.contact-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.contact-right{display:grid;gap:8px;align-content:start}
.contact-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 15px;border-radius:11px;
  border:1px solid var(--line);background:rgba(0,0,0,.24);
  font-size:13px;
}
.contact-row span{color:var(--muted);font-size:11.5px;letter-spacing:.08em;flex:none}
.contact-row b{font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.contact-row b.num{font-family:var(--font-num);letter-spacing:.02em}

/* ---------- footer ---------- */
.foot{margin-top:clamp(60px,8vw,110px);border-top:1px solid var(--line);padding:26px 0 40px}
.foot-inner{display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between}
.foot-mark{
  font-size:12px;color:var(--muted);letter-spacing:.06em;
  display:flex;align-items:center;gap:8px;
}
.foot-mark::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);opacity:.8}
.foot-meta{font-family:var(--font-num);font-size:11px;color:var(--muted);letter-spacing:.1em}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- lightbox ---------- */
.lb{
  position:fixed;inset:0;z-index:100;
  display:grid;place-items:center;padding:24px;
  visibility:hidden;opacity:0;pointer-events:none;
  transition:opacity .3s,visibility .3s;
}
.lb.is-open{visibility:visible;opacity:1;pointer-events:auto}
.lb-backdrop{position:absolute;inset:0;background:rgba(3,4,6,.88);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.lb-panel{
  position:relative;display:grid;grid-template-columns:auto minmax(0,360px);gap:30px;
  max-width:1000px;width:100%;align-items:stretch;
  transform:translateY(14px) scale(.985);transition:transform .38s var(--ease);
}
.lb.is-open .lb-panel{transform:none}
.lb-close{
  position:absolute;top:-46px;right:0;z-index:5;
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line-2);color:var(--text);
  display:grid;place-items:center;background:rgba(255,255,255,.05);
  transition:background .25s,transform .25s;
}
.lb-close:hover{background:rgba(255,255,255,.14);transform:rotate(90deg)}
.lb-stage{
  position:relative;height:min(78vh,760px);aspect-ratio:9/16;
  border-radius:16px;overflow:hidden;background:#000;
  border:1px solid var(--line-2);
  box-shadow:0 40px 90px rgba(0,0,0,.75);
  justify-self:center;
}
.lb-media{position:absolute;inset:0}
.lb-media video{width:100%;height:100%;object-fit:contain;background:#000;display:block}
.lb-media img{width:100%;height:100%;object-fit:cover}
.lb-ph{
  position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:24px;
  background:
    radial-gradient(80% 60% at 50% 20%,rgba(139,92,246,.22),transparent 70%),
    linear-gradient(160deg,#12151C,#080A0E);
}
.lb-ph::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 7px);
  animation:sheen 3.4s linear infinite;
}
@keyframes sheen{to{background-position:220px 0}}
.lb-ph div{position:relative;z-index:2}
.lb-ph .ph-icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:50%;
  border:1px solid rgba(255,255,255,.22);display:grid;place-items:center;
  background:rgba(255,255,255,.04);
}
.lb-ph .ph-t{font-size:13px;font-weight:600;color:var(--text-2);line-height:1.6}
.lb-ph .ph-s{margin-top:7px;font-size:11px;color:var(--muted);line-height:1.7}
.lb-ph code{font-size:10.5px}

.wm-layer{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:3}
.wm-layer .wm-inner{
  position:absolute;left:-30%;top:-30%;width:160%;height:160%;
  display:flex;flex-wrap:wrap;align-content:flex-start;gap:34px 34px;
  transform:rotate(-24deg);opacity:.075;
}
.wm-layer .wm-inner span{
  font-size:10px;font-weight:600;letter-spacing:.1em;
  color:#fff;white-space:nowrap;
}
.lb-tag{
  position:absolute;right:9px;bottom:9px;z-index:4;
  font-size:9.5px;letter-spacing:.08em;color:rgba(255,255,255,.5);
  background:rgba(0,0,0,.4);border:1px solid rgba(255,255,255,.1);
  padding:2px 7px;border-radius:5px;
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
}

.lb-info{display:flex;flex-direction:column;min-width:0;padding:6px 0}
.lb-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.lb-cat{
  font-size:10.5px;font-weight:700;letter-spacing:.04em;
  padding:3px 9px;border-radius:5px;background:var(--c,var(--accent));color:#07080B;
}
.lb-idx{font-family:var(--font-num);font-size:11px;letter-spacing:.16em;color:var(--muted)}
.lb-title{font-size:clamp(19px,2.2vw,25px);letter-spacing:-.02em;line-height:1.32;font-weight:750}
.lb-sub{margin-top:8px;font-size:12.5px;color:var(--text-2)}
.lb-metrics{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  margin-top:22px;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);background:var(--line);
}
.lb-metrics div{background:var(--bg-2);padding:13px 15px}
.lb-metrics b{
  display:block;font-family:var(--font-num);font-size:17px;color:var(--accent);
  letter-spacing:-.01em;line-height:1.2;
}
.lb-metrics i{display:block;font-style:normal;font-size:10.5px;color:var(--muted);margin-top:3px;letter-spacing:.06em}
.lb-note{
  margin-top:20px;font-size:12.5px;line-height:1.8;color:var(--text-2);
  border-left:2px solid var(--c,var(--accent));padding-left:14px;
}
.lb-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.lb-tags i{
  font-style:normal;font-size:10.5px;color:var(--muted);
  border:1px solid var(--line);border-radius:6px;padding:2px 8px;
}
.lb-nav{display:flex;gap:10px;margin-top:auto;padding-top:26px}
.lb-btn{
  flex:1;height:40px;border-radius:10px;font-size:12.5px;font-weight:600;
  border:1px solid var(--line-2);color:var(--text-2);
  transition:background .22s,color .22s,border-color .22s;
}
.lb-btn:hover{background:rgba(255,255,255,.07);color:var(--text);border-color:var(--text-2)}
.lb-btn:disabled{opacity:.32;cursor:not-allowed}

/* ---------- to top / toast ---------- */
.to-top{
  position:fixed;right:18px;bottom:18px;z-index:70;
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line-2);background:rgba(13,16,22,.85);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  color:var(--text);font-size:15px;
  display:grid;place-items:center;
  opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .3s,transform .3s var(--ease),background .25s;
}
.to-top.show{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{background:var(--accent);color:#07080B;border-color:var(--accent)}
.toast{
  position:fixed;left:50%;bottom:34px;z-index:200;
  transform:translate(-50%,18px);
  background:var(--accent);color:#07080B;
  font-size:13px;font-weight:600;
  padding:9px 18px;border-radius:999px;
  opacity:0;pointer-events:none;
  transition:opacity .3s,transform .3s var(--ease);
  box-shadow:0 14px 34px rgba(200,255,61,.3);
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- focus / a11y ---------- */
#heroCard{display:flex;justify-content:center;width:100%;min-width:0}
[role="button"]{cursor:pointer}
.card:focus-visible,.stream:focus-visible,.hero-card:focus-visible,
.chip:focus-visible,.btn:focus-visible,.nav-cta:focus-visible,
.lb-btn:focus-visible,.lb-close:focus-visible,.to-top:focus-visible,
a:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:6px;
}
.card:focus-visible,.hero-card:focus-visible{outline-offset:2px;border-radius:15px}
.stream:focus-visible{outline-offset:2px;border-radius:18px}
.skip{
  position:absolute;left:50%;top:-60px;transform:translateX(-50%);
  z-index:200;background:var(--accent);color:#07080B;
  font-size:13px;font-weight:700;padding:8px 18px;border-radius:0 0 10px 10px;
  transition:top .25s var(--ease);
}
.skip:focus{top:0}

/* =========================================================
   responsive
   ========================================================= */
@media (min-width:560px){
  .wall{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:760px){
  .case-steps{grid-template-columns:repeat(4,1fr)}
}
@media (min-width:880px){
  .wall{grid-template-columns:repeat(4,1fr)}
}
@media (min-width:1120px){
  .wall{grid-template-columns:repeat(4,1fr);gap:16px}
}

@media (max-width:960px){
  .hero{grid-template-columns:1fr;gap:44px}
  .hero-copy{order:1}
  .hero-stage{order:2;min-height:0}
  .hero-card{max-width:250px}
  .badge-a{left:calc(50% - 190px);bottom:14%}
  .badge-b{right:calc(50% - 190px);top:8%}
  .stat-grid{grid-template-columns:repeat(3,1fr)}
  .stat:nth-child(n+4){grid-column:span 1}
  .stream-grid{grid-template-columns:1fr}
  .contact-card{grid-template-columns:1fr;gap:26px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px}
  .sec-sub{text-align:left}
}

@media (max-width:700px){
  .nav-links{display:none}
  .nav-cta{margin-left:auto}
  .wrap{padding:0 16px}
  .hero{padding-top:38px}
  .hero-title{font-size:clamp(30px,8.6vw,40px)}
  .lede{font-size:14px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .stat{padding:18px 16px}
  .stat-val{font-size:24px}
  .case-steps{grid-template-columns:1fr}
  .case-step{border-right:0;border-bottom:1px solid var(--line);padding:16px 20px}
  .case-step:last-child{border-bottom:0}
  .case-head{padding:18px 20px}
  .case-metrics{margin-left:0;gap:16px}
  .foot-inner{flex-direction:column;align-items:flex-start}
  .lb{padding:0}
  .lb-panel{
    grid-template-columns:1fr;gap:0;max-width:100%;width:100%;
    height:100%;overflow-y:auto;overscroll-behavior:contain;
    background:var(--bg);
  }
  .lb-close{position:fixed;top:12px;right:12px;background:rgba(10,12,16,.9)}
  .lb-stage{
    height:62vh;width:100%;aspect-ratio:auto;border-radius:0;border:0;
    box-shadow:none;
  }
  .lb-info{padding:20px 18px 32px}
  .lb-nav{padding-top:22px}
  .lb-metrics{grid-template-columns:repeat(2,1fr)}
  .to-top{bottom:14px;right:14px}
  .card-metrics{gap:6px}
  .card-metrics b{font-size:11px}
  .card-metrics i{font-size:9px}
  .card-title{font-size:13px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}