/* ===== Rovin AI · Design tokens ===== */
:root{
  --bg:#0D1117;
  --bg-alt:#11161d;
  --surface:#161B22;
  --surface-2:#1b222c;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --text:#E8EDF3;
  --muted:#9AA7B4;
  --muted-2:#6f7d8b;
  --accent:#0073FF;
  --accent-2:#2DA0FF;
  --accent-soft:rgba(0,115,255,.12);
  --grad:linear-gradient(120deg,#2DA0FF,#0073FF);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 20px 50px rgba(0,0,0,.45);
  --shadow-sm:0 8px 24px rgba(0,0,0,.35);
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container.narrow{max-width:840px}
.only-desktop{display:inline}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .25s,border-color .25s,color .25s;
  white-space:nowrap;text-align:center;
}
.btn:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-block{width:100%;padding:13px 20px;font-size:15px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 28px rgba(0,115,255,.32)}
.btn-primary:hover{box-shadow:0 14px 36px rgba(0,115,255,.45);transform:translateY(-2px)}
.btn-outline{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.02)}
.btn-outline:hover{border-color:var(--accent);color:#fff;background:var(--accent-soft);transform:translateY(-2px)}
.btn-light{background:#f5f7fa;border-color:transparent;color:#0d1117}
.btn-light:hover{background:#fff;color:#0d1117;transform:translateY(-2px);box-shadow:0 14px 32px rgba(245,247,250,.22)}
.btn-ghost{color:var(--muted)}
.btn-ghost:hover{color:#fff}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;border-radius:6px}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .3s var(--ease),border-color .3s,backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(13,17,23,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.02em}
.brand-mark{display:grid;place-items:center;filter:drop-shadow(0 4px 12px rgba(0,115,255,.4))}
.brand-name b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.main-nav{display:flex;gap:26px;margin-left:auto}
.main-nav a{font-size:15px;color:var(--muted);font-weight:600;transition:color .2s;position:relative}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--grad);border-radius:2px;transform:scaleX(0);transition:transform .25s var(--ease)}
.main-nav a:hover{color:#fff}
.main-nav a:hover::after{transform:scaleX(1)}
.nav-cta{display:flex;gap:10px;align-items:center}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.nav-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s var(--ease)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Sections ===== */
.section{padding:110px 0;position:relative}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin:0 auto 60px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-2);background:var(--accent-soft);border:1px solid rgba(45,160,255,.25);padding:6px 14px;border-radius:999px;margin-bottom:18px}
.sec-head h2{font-size:clamp(28px,4vw,44px)}
.sec-desc{color:var(--muted);font-size:17px;margin-top:16px}
.sec-head .sec-desc:first-child{margin-top:0}

/* ===== Hero ===== */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;padding:120px 0 60px}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center right;animation:slowZoom 22s ease-in-out infinite alternate}
@keyframes slowZoom{from{transform:scale(1)}to{transform:scale(1.12)}}
.hero-scrim{position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(13,17,23,.96) 0%,rgba(13,17,23,.86) 40%,rgba(13,17,23,.35) 75%,rgba(13,17,23,.55) 100%),
  linear-gradient(180deg,rgba(13,17,23,.5) 0%,rgba(13,17,23,0) 30%,rgba(13,17,23,.9) 100%)}
.hero-inner{position:relative;z-index:2;max-width:var(--maxw)}
.hero-badge{display:inline-flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:var(--text);background:rgba(255,255,255,.06);border:1px solid var(--line-strong);backdrop-filter:blur(8px);padding:8px 16px;border-radius:999px;margin-bottom:26px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero-title{font-size:clamp(38px,6.4vw,72px);font-weight:900;letter-spacing:-.02em;line-height:1.1;max-width:16ch}
.hero-slogan{margin:20px 0 0;font-size:15.5px;font-weight:700;letter-spacing:.32em;color:var(--accent-2)}
.hero-sub{color:#c3ccd6;font-size:clamp(16px,2vw,19px);margin-top:24px;max-width:56ch}
.hero-actions{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:56px;flex-wrap:wrap}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats strong{font-size:30px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{font-size:13px;color:var(--muted);letter-spacing:.04em}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;width:26px;height:42px;border:2px solid var(--line-strong);border-radius:14px;display:grid;place-items:start center;padding-top:7px}
.scroll-hint span{width:4px;height:8px;background:var(--accent);border-radius:2px;animation:scrollDot 1.8s infinite}
@keyframes scrollDot{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

/* ===== Capabilities ===== */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cap-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:transform .3s var(--ease),border-color .3s,background .3s}
.cap-card:hover{transform:translateY(-6px);border-color:rgba(45,160,255,.4);background:var(--surface-2)}
.cap-ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:22px;font-weight:900;color:#fff;background:var(--grad);box-shadow:0 8px 20px rgba(0,115,255,.3);margin-bottom:18px}
.cap-card h3{font-size:19px;margin-bottom:10px}
.cap-card p{color:var(--muted);font-size:14.5px;line-height:1.7}

/* ===== Two entries ===== */
#capabilities{padding-bottom:36.5px}
.entries-section{padding-top:36.5px}
.entries-head{display:flex;justify-content:space-between;align-items:flex-end;gap:44px;margin-bottom:52px}
.entries-eyebrow{display:flex;align-items:center;gap:12px;font-size:13px;font-weight:800;letter-spacing:.22em;color:var(--muted);text-transform:uppercase}
.entries-eyebrow .dash{width:26px;height:2px;background:var(--accent);border-radius:2px}
.entries-head-left h2{font-size:clamp(28px,4vw,44px);margin-top:16px}
.entries-head-right{color:var(--muted);font-size:15px;line-height:1.8;max-width:36ch;text-align:right}
.entries-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.entry-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .35s var(--ease),border-color .3s,box-shadow .35s var(--ease)}
.entry-card:hover{transform:translateY(-6px);border-color:rgba(45,160,255,.35);box-shadow:var(--shadow)}
.entry-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0a0e13}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease),filter .45s}
.entry-card:hover .entry-media img{transform:scale(1.07);filter:brightness(1.12) saturate(1.06)}
.entry-flag{position:absolute;top:16px;left:16px;z-index:2;background:rgba(13,17,23,.72);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--line-strong);color:var(--text);font-size:12.5px;font-weight:700;letter-spacing:.06em;padding:7px 14px;border-radius:8px}
.entry-body{padding:28px 30px 30px;display:flex;flex-direction:column;gap:15px;flex:1}
.entry-body h3{font-size:22px}
.entry-body>p{color:var(--muted);font-size:15px;line-height:1.75}
.entry-chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:7px;background:var(--surface-2);border:1px solid var(--line);color:var(--muted);font-size:13px;font-weight:600;padding:8px 14px;border-radius:999px;transition:color .25s,border-color .25s,background .25s,transform .25s var(--ease)}
.chip svg{width:15px;height:15px}
.chip:hover{color:#fff;border-color:var(--accent);background:var(--accent-soft);transform:translateY(-2px)}
.entry-link{margin-top:auto;align-self:flex-start;display:inline-flex;align-items:center;gap:8px;color:#fff;font-weight:700;font-size:15px;padding-bottom:6px;border-bottom:2px solid var(--accent);transition:color .2s}
.entry-link .arrow{transition:transform .25s var(--ease)}
.entry-link:hover{color:var(--accent-2)}
.entry-link:hover .arrow{transform:translateX(6px)}
.entry-prompt{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:12px}
.entry-prompt-row{display:flex;gap:12px;align-items:center}
.entry-prompt-text{flex:1;background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:11px 14px;font-size:14px;color:#dbe3ec;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.entry-gen{background:var(--grad);color:#fff;border:0;border-radius:8px;font-weight:800;font-size:14px;padding:11px 22px;cursor:pointer;transition:transform .2s var(--ease),box-shadow .25s,filter .2s}
.entry-gen:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,115,255,.4);filter:brightness(1.08)}
.entry-gen:active{transform:translateY(0)}
.entry-prompt-hint{display:flex;align-items:center;gap:10px;color:var(--muted-2);font-size:12.5px}
.entry-prompt-hint svg{width:15px;height:15px;flex:0 0 auto}
.hint-line{width:120px;height:2px;background:var(--line-strong);border-radius:2px}

/* ===== Pipeline step viewer ===== */
.step-viewer{outline:none}
.step-viewer:focus-visible{outline:2px solid var(--accent-2);outline-offset:6px;border-radius:var(--radius)}
.step-stage{min-height:210px}
.step-eyebrow{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:800;letter-spacing:.18em;color:var(--accent-2);text-transform:uppercase}
.step-sep{color:var(--muted-2)}
.step-title{font-size:clamp(30px,4.6vw,52px);font-weight:900;letter-spacing:-.02em;margin:18px 0 16px;line-height:1.15}
.step-desc{color:var(--muted);font-size:clamp(15px,1.6vw,18px);max-width:62ch}
.step-progress{height:2px;background:var(--line-strong);margin-top:40px;position:relative;border-radius:2px;overflow:hidden}
.step-progress span{position:absolute;left:0;top:0;bottom:0;width:0;background:var(--grad);border-radius:2px;transition:width .45s var(--ease)}
.step-stage.swap .step-eyebrow,.step-stage.swap .step-title,.step-stage.swap .step-desc{animation:stepFade .4s var(--ease)}
@keyframes stepFade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.step-nodes{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-top:48px;flex-wrap:wrap}
.node{display:flex;flex-direction:column;align-items:center;gap:14px;background:none;border:0;padding:0;cursor:pointer;color:var(--muted);transition:color .3s}
.node-ico{width:66px;height:66px;border-radius:50%;background:var(--surface);border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);transition:background .3s,color .3s,border-color .3s,box-shadow .3s,transform .3s var(--ease)}
.node-ico svg{width:26px;height:26px}
.node-label{font-size:14px;font-weight:600;letter-spacing:.02em}
.node:hover{color:#fff}
.node:hover .node-ico{border-color:var(--accent);color:var(--accent-2);transform:translateY(-3px)}
.node.active{color:#fff}
.node.active .node-ico{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 0 0 9px rgba(0,115,255,.14),0 12px 32px rgba(0,115,255,.42)}
.pipeline-modes{display:flex;gap:18px;justify-content:center;margin-top:38px;flex-wrap:wrap}
.mode{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:12px 22px}
.mode-tag{font-weight:800;font-size:14px;color:#fff;background:var(--grad);padding:5px 14px;border-radius:999px}
.mode p{font-size:14px;color:var(--muted)}

/* ===== Scenario tabs ===== */
.tabs{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:40px}
.tab{background:var(--surface);border:1px solid var(--line);color:var(--muted);font-weight:600;font-size:14.5px;padding:11px 20px;border-radius:999px;cursor:pointer;transition:.25s var(--ease)}
.tab:hover{color:#fff;border-color:var(--line-strong)}
.tab.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 22px rgba(0,115,255,.3)}
.panels{position:relative}
.panel{display:none;animation:fadeUp .45s var(--ease)}
.panel.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.panel-head{margin-bottom:26px;padding-left:18px;border-left:3px solid var(--accent)}
.panel-head h3{font-size:24px}
.panel-head p{color:var(--muted);font-size:15px;margin-top:6px}
.panel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.p-card{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px 26px;transition:border-color .3s,transform .3s var(--ease)}
.p-card:hover{border-color:rgba(45,160,255,.35);transform:translateY(-3px)}
.p-la{position:absolute;right:-6px;bottom:-8px;width:112px;height:112px;color:var(--accent-2);opacity:.13;pointer-events:none;transition:opacity .3s var(--ease),transform .3s var(--ease)}
.p-card:hover .p-la{opacity:.24;transform:translateY(-4px)}
.p-card h4{font-size:17px;margin-bottom:9px;color:#fff}
.p-card p{color:var(--muted);font-size:14.5px;line-height:1.75}
.p-card.note{background:var(--accent-soft);border-color:rgba(45,160,255,.3)}
.p-card.note h4{color:var(--accent-2)}
.panel-media{margin-top:22px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);max-width:520px}
.panel-media img{width:100%;height:auto}

/* ===== Vertical asset base ===== */
.asset-head{margin-bottom:52px}
.asset-head h2{font-size:clamp(28px,4vw,44px);margin-top:16px;line-height:1.2}
.asset-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:start}
.asset-nav{display:flex;flex-direction:column}
.asset-item{display:flex;gap:18px;align-items:flex-start;text-align:left;background:none;border:0;border-bottom:1px solid var(--line);padding:26px 6px;cursor:pointer;color:var(--muted);transition:background .3s,padding .3s var(--ease)}
.asset-item:first-child{border-top:1px solid var(--line)}
.asset-item:hover{background:rgba(255,255,255,.02)}
.asset-ico{flex:0 0 auto;width:46px;height:46px;border-radius:12px;background:var(--surface);border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);transition:background .3s,color .3s,border-color .3s,box-shadow .3s}
.asset-ico svg{width:22px;height:22px}
.asset-txt{display:flex;flex-direction:column;gap:7px}
.asset-txt strong{font-size:17px;color:#dbe3ec;font-weight:800;transition:color .3s}
.asset-txt em{font-style:normal;font-size:13.5px;line-height:1.65;color:var(--muted-2)}
.asset-item:hover .asset-ico{border-color:var(--accent);color:var(--accent-2)}
.asset-item:hover .asset-txt strong{color:#fff}
.asset-item.active .asset-ico{background:var(--accent-soft);border-color:rgba(45,160,255,.4);color:var(--accent-2);box-shadow:0 0 0 5px rgba(0,115,255,.08)}
.asset-item.active .asset-txt strong{color:#fff}
.asset-panels{position:relative;min-height:420px}
.asset-panel{display:none;animation:fadeUp .45s var(--ease)}
.asset-panel.active{display:block}
.asset-panel h3{font-size:clamp(22px,2.6vw,30px);margin:26px 0 14px}
.asset-panel>p{color:var(--muted);font-size:15.5px;line-height:1.8}
.asset-panel .check-list{margin-top:22px}
.asset-media{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.asset-media img{width:100%;display:block;transition:transform .6s var(--ease)}
.asset-panel:hover .asset-media img{transform:scale(1.04)}
.asset-cap{position:absolute;left:16px;bottom:14px;z-index:2;background:rgba(13,17,23,.72);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--line-strong);color:var(--text);font-size:12.5px;font-weight:700;letter-spacing:.06em;padding:7px 13px;border-radius:8px}
.asset-media.has-overlay{height:480px;cursor:pointer}
.asset-media.has-overlay img{height:100%;object-fit:cover}
.asset-media.has-overlay:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px}
.asset-overlay{position:absolute;inset:0;z-index:3;background:linear-gradient(180deg,rgba(13,17,23,.62),rgba(13,17,23,.94));padding:32px;display:flex;flex-direction:column;gap:14px;opacity:0;transform:translateY(14px);transition:opacity .35s var(--ease),transform .35s var(--ease);overflow:auto;pointer-events:none}
.asset-media.has-overlay:hover .asset-overlay,
.asset-media.has-overlay:focus .asset-overlay,
.asset-media.has-overlay:focus-within .asset-overlay{opacity:1;transform:none;pointer-events:auto}
.asset-overlay h3{margin:0;font-size:clamp(20px,2.4vw,28px)}
.asset-overlay p{color:#c3ccd6;font-size:14.5px;line-height:1.75}
.asset-overlay .check-list{margin-top:4px;gap:11px}
.asset-overlay .asset-chips{margin-top:2px;gap:8px}
.asset-overlay .asset-chips span{padding:6px 12px;font-size:12.5px}
.asset-overlay .check-list li{font-size:14px}
@media (hover:none){
  .asset-media.has-overlay{height:auto}
  .asset-media.has-overlay img{height:auto}
  .asset-overlay{position:static;opacity:1;transform:none;pointer-events:auto;background:var(--surface-2);border-top:1px solid var(--line)}
}
.asset-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.asset-chips span{background:var(--surface-2);border:1px solid var(--line);color:var(--muted);font-size:13px;font-weight:600;padding:8px 15px;border-radius:999px;transition:color .25s,border-color .25s,background .25s,transform .25s var(--ease)}
.asset-chips span:hover{color:#fff;border-color:var(--accent);background:var(--accent-soft);transform:translateY(-2px)}
.check-list{margin-top:24px;display:grid;gap:13px}
.check-list li{position:relative;padding-left:30px;font-size:15.5px;color:#cdd6e0}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;background:var(--accent-soft);color:var(--accent-2);font-size:12px;font-weight:900;display:grid;place-items:center}

/* ===== Features ===== */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;text-align:left;transition:transform .3s var(--ease),border-color .3s}
.feat-card:hover{transform:translateY(-6px);border-color:rgba(45,160,255,.4)}
.feat-ico{
  width:54px;height:54px;border-radius:14px;
  display:grid;place-items:center;
  color:var(--accent-2);
  background:linear-gradient(145deg,rgba(45,160,255,.16),rgba(0,115,255,.05));
  border:1px solid rgba(45,160,255,.28);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  margin-bottom:18px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease);
}
.feat-ico svg{width:26px;height:26px}
.feat-card:hover .feat-ico{
  transform:translateY(-3px) scale(1.05);
  color:#fff;
  border-color:rgba(45,160,255,.6);
  background:linear-gradient(145deg,rgba(45,160,255,.32),rgba(0,115,255,.16));
  box-shadow:0 10px 26px rgba(0,115,255,.24),inset 0 1px 0 rgba(255,255,255,.1);
}
.feat-card h3{font-size:18px;margin-bottom:10px}
.feat-card p{color:var(--muted);font-size:14.5px}

/* ===== Why panels ===== */
.why-panels{display:flex;gap:14px;height:373px}
.why-panel{position:relative;flex:1 1 0;min-width:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);cursor:pointer;transition:flex-grow .6s var(--ease),border-color .3s,box-shadow .3s}
.why-panel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.04);filter:saturate(.85) brightness(.8);transition:transform .8s var(--ease),filter .6s var(--ease)}
.why-panel::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,17,23,.04) 28%,rgba(13,17,23,.55) 60%,rgba(13,17,23,.93))}
.why-copy{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:24px 22px 26px;display:flex;flex-direction:column;gap:10px}
.why-tag{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:19px;font-weight:900;color:#fff;background:var(--grad);box-shadow:0 8px 20px rgba(0,115,255,.35)}
.why-copy h4{font-size:20px}
.why-copy p{color:#c9d2dc;font-size:14px;line-height:1.7;margin:0;max-height:0;opacity:0;overflow:hidden;transition:max-height .5s var(--ease),opacity .4s var(--ease)}
.why-panel:hover,.why-panel:focus-within{flex-grow:3;border-color:var(--line-strong);box-shadow:0 24px 60px rgba(13,17,23,.45)}
.why-panel:hover img,.why-panel:focus-within img{transform:scale(1);filter:saturate(1) brightness(1)}
.why-panel:hover p,.why-panel:focus-within p{max-height:130px;opacity:1}
.why-panel:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px}
@media (hover:none){
  .why-panels{flex-direction:column;height:auto}
  .why-panel{flex:none;height:300px}
  .why-copy p{max-height:none;opacity:1}
  .logo-marquee{margin-top:48px}
}
.flow-line{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:46px;padding:22px;background:var(--surface);border:1px dashed var(--line-strong);border-radius:999px}
.flow-line span{font-weight:700;font-size:15px;color:#dbe3ec}
.flow-line i{color:var(--accent);font-style:normal;font-weight:900}

/* ===== Custom plan ===== */
.custom-block{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start}
.custom-left,.custom-right{min-width:0}
.custom-lead{font-size:clamp(20px,2.5vw,29px);font-weight:800;color:#fff;line-height:1.55;letter-spacing:-.01em}
.custom-title{font-size:clamp(46px,6.4vw,76px);font-weight:900;line-height:1;margin:66px 0 12px;letter-spacing:-.03em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.custom-sub{color:var(--muted);font-size:16px}
.custom-right{border-left:1px solid var(--line);padding-left:56px}
.custom-plan{color:var(--muted);font-size:13.5px;font-weight:800;letter-spacing:.1em;margin:0 0 24px}
.custom-list{margin-top:0;margin-bottom:34px;gap:16px}
.custom-list li{font-size:15px;color:#c3ccd6}
.logo-marquee{margin-top:120px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.logo-track{display:flex;width:max-content;animation:logo-scroll 26s linear infinite}
.logo-marquee:hover .logo-track,.logo-marquee:focus-within .logo-track{animation-play-state:paused}
.logo-row{display:flex;align-items:center;gap:52px;padding-right:52px;margin:0;list-style:none}
.logo-row li{display:flex;align-items:center;gap:10px;color:#7d8590;font-size:16.5px;font-weight:700;letter-spacing:.01em;white-space:nowrap;transition:color .25s}
.logo-row li:hover{color:#dbe3ec}
.logo-row svg{width:26px;height:26px;flex:0 0 auto}
@keyframes logo-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.logo-track{animation:none}}

/* ===== Gallery collage ===== */
.gallery-section{border-bottom:0}
.gallery{position:relative;display:flex;gap:24px;padding:0 40px;max-width:1920px;margin:0 auto}
.gallery-head{position:absolute;top:0;left:0;right:0;margin:0 auto;width:calc((100% - 200px)/3 + 24px);text-align:center;z-index:2}
.gallery-head h2{font-size:clamp(26px,3vw,40px);letter-spacing:-.02em}
.gallery-head p{color:var(--muted);font-size:15.5px;margin-top:14px}
.gallery-actions{display:flex;justify-content:center;align-items:center;gap:14px;margin-top:26px;flex-wrap:wrap}
.g-col{flex:1 1 0;min-width:0;display:flex;flex-direction:column;gap:24px}
.g-card{margin:0;border-radius:20px;overflow:hidden;background:var(--surface);box-shadow:0 10px 30px rgba(0,0,0,.35);transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.g-card img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .7s var(--ease)}
.g-card:hover,.g-card:focus-within{transform:translateY(-6px);box-shadow:0 22px 48px rgba(0,0,0,.5)}
.g-card:hover img,.g-card:focus-within img{transform:scale(1.06)}
.g-col:nth-child(2)>.g-card:first-child,.g-col:nth-child(7)>.g-card:first-child{margin-top:22%}
.g-col:nth-child(3)>.g-card:first-child,.g-col:nth-child(6)>.g-card:first-child{margin-top:75%}
.g-col:nth-child(4)>.g-card:first-child,.g-col:nth-child(5)>.g-card:first-child{margin-top:119%}
.g-col:nth-child(2) .g-card:nth-child(1){aspect-ratio:10/11}
.g-col:nth-child(2) .g-card:nth-child(2){aspect-ratio:1/1}
.g-col:nth-child(3) .g-card{aspect-ratio:3/5}
.g-col:nth-child(4) .g-card{aspect-ratio:16/9}
.g-col:nth-child(5) .g-card{aspect-ratio:4/5}
.g-col:nth-child(6) .g-card:nth-child(1){aspect-ratio:2/1}
.g-col:nth-child(6) .g-card:nth-child(2){aspect-ratio:1/1}
.g-col:nth-child(7) .g-card:nth-child(1){aspect-ratio:7/10}
.g-col:nth-child(7) .g-card:nth-child(2){aspect-ratio:3/2}
@media (max-width:1440px){
  .gallery-head p{font-size:14px}
  .gallery-actions .btn{padding:11px 20px;font-size:14px}
}
@media (min-width:1025px) and (max-width:1200px){
  .g-col:nth-child(4)>.g-card:first-child,.g-col:nth-child(5)>.g-card:first-child{margin-top:135%}
}
@media (max-width:1024px){
  .gallery{flex-wrap:wrap;gap:20px;padding:0 24px}
  .gallery-head{position:static;width:min(600px,100%);margin:0 auto 46px}
  .g-col{flex:0 0 calc((100% - 40px)/3)}
  .g-col:nth-child(2)>.g-card:first-child,.g-col:nth-child(3)>.g-card:first-child,.g-col:nth-child(4)>.g-card:first-child,
  .g-col:nth-child(5)>.g-card:first-child,.g-col:nth-child(6)>.g-card:first-child,.g-col:nth-child(7)>.g-card:first-child{margin-top:0}
}
@media (max-width:760px){
  .gallery{gap:14px;padding:0 16px}
  .g-col{flex:0 0 calc((100% - 14px)/2)}
  .g-card{border-radius:14px}
}
@media (prefers-reduced-motion:reduce){
  .g-card,.g-card img{transition:none}
  .g-card:hover,.g-card:focus-within{transform:none}
  .g-card:hover img,.g-card:focus-within img{transform:none}
}

/* ===== FAQ ===== */
#faq{background:
  radial-gradient(1000px 400px at 50% -10%,rgba(0,115,255,.22),transparent 70%),var(--bg-alt)}
.faq{display:grid;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .3s}
.faq-item[open]{border-color:rgba(45,160,255,.4)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 22px;font-weight:700;font-size:16px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-ico{position:relative;flex:0 0 auto;width:18px;height:18px}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--accent);border-radius:2px;transition:transform .3s var(--ease)}
.faq-ico::before{top:8px;left:0;width:18px;height:2px}
.faq-ico::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-ico::after{transform:rotate(90deg) scaleX(0)}
.faq-item p{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.75}

/* ===== Footer ===== */
.site-footer{background:#0a0e13;border-top:1px solid var(--line);padding:64px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:36px}
.footer-brand p{color:var(--muted-2);font-size:14px;margin-top:16px;line-height:1.7}
.footer-slogan{color:var(--accent-2);font-size:13px;font-weight:700;letter-spacing:.3em;margin-top:14px}
.footer-col{display:grid;gap:11px;align-content:start}
.footer-col h5{font-size:14px;color:#fff;margin-bottom:6px;letter-spacing:.02em}
.footer-col a{color:var(--muted-2);font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--accent-2)}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);text-align:center}
.footer-bottom p{color:var(--muted-2);font-size:13px}

/* ===== Reveal animation (only when JS active; no-JS shows content) ===== */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.js .reveal.d1{transition-delay:.09s}
.js .reveal.d2{transition-delay:.18s}
.js .reveal.d3{transition-delay:.27s}
.js .reveal.d4{transition-delay:.36s}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  .hero-bg img{animation:none}
  html{scroll-behavior:auto}
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .step-nodes{justify-content:flex-start;gap:26px}
  .entries-grid{grid-template-columns:1fr}
  .entries-head{flex-direction:column;align-items:flex-start;gap:18px}
  .entries-head-right{text-align:left;max-width:60ch}
  .asset-layout{grid-template-columns:1fr;gap:36px}
  .asset-panels{min-height:0}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .why-panels{height:313px}
  .custom-block{gap:34px}
  .custom-right{padding-left:34px}
  .custom-title{margin-top:44px}
  .split{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:760px){
  .only-desktop{display:none}
  .section{padding:76px 0}
  #capabilities{padding-bottom:25.5px}
  .entries-section{padding-top:25.5px}
  .main-nav{position:fixed;inset:70px 0 auto;flex-direction:column;gap:0;background:rgba(13,17,23,.98);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);padding:10px 24px 22px;transform:translateY(-140%);transition:transform .35s var(--ease);margin-left:0}
  .main-nav.open{transform:none}
  .main-nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .main-nav a::after{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .hero{min-height:auto;padding:130px 0 70px}
  .hero-bg img{object-position:60% center}
  .hero-scrim{background:linear-gradient(180deg,rgba(13,17,23,.9),rgba(13,17,23,.82) 55%,rgba(13,17,23,.95))}
  .hero-stats{gap:26px}
  .hero-stats strong{font-size:24px}
  .cap-grid,.panel-grid,.feat-grid{grid-template-columns:1fr}
  .why-panels{flex-direction:column;height:auto}
  .why-panel{flex:none;height:280px}
  .why-copy p{max-height:none;opacity:1}
  .logo-marquee{margin-top:48px}
  .custom-block{grid-template-columns:1fr;gap:34px}
  .custom-right{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:34px}
  .custom-title{margin-top:34px}
  .step-stage{min-height:240px}
  .step-nodes{gap:20px}
  .node-ico{width:56px;height:56px}
  .node-ico svg{width:22px;height:22px}
  .node-label{font-size:12.5px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .scroll-hint{display:none}
}
@media (max-width:420px){
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn,.cta-actions .btn{width:100%}
}

/* ===== Consultation Modal ===== */
.modal{
  position:fixed;inset:0;z-index:200;
  display:flex;align-items:center;justify-content:center;
  padding:24px;
  visibility:hidden;opacity:0;
  transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.modal.open{visibility:visible;opacity:1}
.modal-backdrop{
  position:absolute;inset:0;
  background:rgba(5,8,12,.72);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.modal-dialog{
  position:relative;width:100%;max-width:460px;max-height:calc(100vh - 48px);
  overflow-y:auto;
  background:linear-gradient(180deg,var(--surface-2),var(--surface));
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:34px 32px 30px;
  transform:translateY(16px) scale(.97);
  transition:transform .32s var(--ease);
}
.modal.open .modal-dialog{transform:translateY(0) scale(1)}
.modal-x{
  position:absolute;top:14px;right:16px;
  width:34px;height:34px;border-radius:50%;
  background:transparent;border:1px solid var(--line);
  color:var(--muted);font-size:22px;line-height:1;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.modal-x:hover{background:var(--accent-soft);color:var(--text);border-color:var(--line-strong)}
.modal-eyebrow{
  font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent-2);margin-bottom:10px;
}
.modal-body h3{font-size:23px;margin-bottom:8px}
.modal-desc{color:var(--muted);font-size:14.5px;margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px;color:var(--text)}
.field .req{color:var(--accent)}
.field input{
  width:100%;padding:12px 14px;
  background:var(--bg);
  border:1px solid var(--line-strong);border-radius:var(--radius-sm);
  color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:var(--muted-2)}
.field input:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft);
}
.field.invalid input{border-color:#ff4d4f;box-shadow:0 0 0 3px rgba(255,77,79,.14)}
.err{color:#ff6b6b;font-size:12.5px;margin-top:6px;min-height:0;display:none}
.field.invalid .err{display:block}
.modal .btn-block{margin-top:6px}
.modal-note{color:var(--muted-2);font-size:12px;margin-top:14px;text-align:center;line-height:1.6}
.modal-success{text-align:center;padding:14px 0 4px}
.success-ico{
  width:60px;height:60px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-size:30px;font-weight:800;
  box-shadow:0 10px 30px rgba(0,115,255,.35);
}
.modal-success h3{margin-bottom:10px}
.modal-success .modal-desc{margin-bottom:24px}
body.modal-locked{overflow:hidden}

/* ===== WeChat modal ===== */
.wx-dialog{max-width:340px;padding:0;background:#0d1117;border-color:var(--line);overflow:hidden}
.wx-title{font-size:16.5px;font-weight:800;text-align:center;padding:22px 44px 16px}
.wx-card{background:#f5f7fa;border-radius:12px;margin:0 20px;padding:20px 20px 24px;text-align:center}
.wx-card-title{color:#0d1117;font-size:15px;font-weight:800;margin-bottom:14px}
.wx-qr{width:220px;height:220px;margin:0 auto;background:#fff;border-radius:6px}
.wx-qr svg{display:block;width:100%;height:100%}
.wx-foot{margin:22px 0 0;padding:15px 16px 17px;text-align:center;color:var(--muted);font-size:13px;background:rgba(255,255,255,.04);border-top:1px solid var(--line)}
@media (max-width:420px){
  .modal{padding:16px}
  .modal-dialog{padding:28px 20px 24px}
}