:root{
  --bg:#070b14; --surface:#0a1120; --card:#0e1728; --card-2:#111d33;
  --line:#1b2942; --line-soft:#16223a;
  --text:#e9eefb; --muted:#93a3c0; --dim:#6f819e;
  --accent:#38bdf8; --accent-2:#22d3ee; --ok:#4ade80; --warn:#fbbf24; --bad:#f87171;
  --radius:14px; --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{margin:0 0 .55em;line-height:1.15;letter-spacing:-.022em;font-weight:750}
p{margin:0 0 1em}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{display:block;max-width:100%}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{margin:.35em 0}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;
  background:rgba(56,189,248,.09);border:1px solid var(--line);border-radius:6px;padding:.1em .4em}
hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
.dim{color:var(--dim)}
.small{font-size:.9rem}
.center{text-align:center}
.mb0{margin-bottom:0}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(7,11,20,.86);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:66px;gap:22px}
.brand{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:800;
  letter-spacing:.12em;color:var(--text);white-space:nowrap}
.brand:hover{text-decoration:none;color:var(--text)}
.brand .mark{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),#0ea5e9);color:#04121f;font-size:11px;font-weight:900}
.brand .lite{color:var(--muted);font-weight:600}
.nav{display:flex;align-items:center;gap:24px}
.nav a{color:var(--muted);font-size:14px;font-weight:500}
.nav a:hover{color:var(--text);text-decoration:none}
.nav a.active{color:var(--text)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:10px;border:1px solid transparent;background:var(--accent);
  color:#04121f;font-size:14px;font-weight:700;cursor:pointer;transition:.18s}
.btn:hover{background:#7dd3fc;text-decoration:none}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);background:rgba(56,189,248,.07)}
.btn.lg{padding:13px 24px;font-size:15px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:84px 0 68px;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(920px 430px at 8% -12%,rgba(56,189,248,.17),transparent 62%),
    radial-gradient(760px 400px at 102% -6%,rgba(34,211,238,.10),transparent 58%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:54px;align-items:center}
.eyebrow{margin:0 0 14px;font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--accent);font-weight:750}
.hero h1{font-size:clamp(32px,4.1vw,54px);letter-spacing:-.03em;margin-bottom:.45em}
.lead{font-size:clamp(16px,1.35vw,18.5px);color:var(--muted);max-width:56ch;margin-bottom:28px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero-meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:30px;font-size:13px;color:var(--dim)}
.hero-meta b{color:var(--text);font-weight:650}
.frame{position:relative;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  background:var(--card);box-shadow:0 30px 70px -30px rgba(0,0,0,.85)}
.frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;opacity:.92}
.frame .frame-cap{position:absolute;left:14px;right:14px;bottom:14px;display:flex;
  justify-content:space-between;gap:10px;padding:10px 12px;border-radius:10px;
  background:rgba(6,10,18,.72);border:1px solid var(--line);font-size:12px;color:var(--muted);
  backdrop-filter:blur(6px)}
.frame .frame-cap b{color:var(--text);font-weight:650}
.frame .scan{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 0%,rgba(56,189,248,.06) 50%,transparent 100%)}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section.tight{padding:52px 0}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(24px,2.6vw,34px)}
.section-head p{color:var(--muted);font-size:16.5px;margin-bottom:0}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;transition:.2s}
.card:hover{border-color:rgba(56,189,248,.32);transform:translateY(-2px)}
.card h3{font-size:17px;margin-bottom:.5em}
.card p{margin-bottom:0;color:var(--muted);font-size:14.5px}
.card .ico{display:grid;place-items:center;width:42px;height:42px;margin-bottom:16px;
  border-radius:11px;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.2);font-size:19px}
.card ul{margin:14px 0 0;font-size:14.5px;color:var(--muted)}
.card.link{cursor:pointer}
.card .more{display:inline-block;margin-top:16px;font-size:13.5px;font-weight:600}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{padding:22px 20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
.stat b{display:block;font-size:clamp(24px,2.6vw,32px);letter-spacing:-.02em;line-height:1.1}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{position:relative;padding:24px 20px 20px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--card)}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:16px;right:18px;
  font-size:12px;font-weight:800;color:var(--dim);letter-spacing:.1em}
.step h3{font-size:16px}
.step p{margin:0;font-size:14px;color:var(--muted)}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split.rev .split-media{order:2}
.split-media{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--card)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.9}
.split h2{font-size:clamp(22px,2.4vw,30px)}
.split p{color:var(--muted)}

/* table */
.table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card)}
table.data{width:100%;border-collapse:collapse;font-size:14px}
table.data th,table.data td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line-soft)}
table.data th{background:rgba(255,255,255,.02);color:var(--muted);font-weight:600;font-size:12.5px;
  text-transform:uppercase;letter-spacing:.06em}
table.data tr:last-child td{border-bottom:0}
table.data td b{font-weight:650}
.ok{color:var(--ok)} .warn{color:var(--warn)} .bad{color:var(--bad)}

/* pills + badges */
.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:650;border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.02)}
.pill.ok{color:var(--ok);border-color:rgba(74,222,128,.3);background:rgba(74,222,128,.08)}
.pill.warn{color:var(--warn);border-color:rgba(251,191,36,.3);background:rgba(251,191,36,.08)}

/* band */
.band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(120deg,rgba(56,189,248,.10),rgba(34,211,238,.04));padding:56px 0}
.band .wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.band h2{margin:0;font-size:clamp(22px,2.4vw,30px)}
.band p{margin:.4em 0 0;color:var(--muted)}

/* prose */
.prose{max-width:820px}
.prose h2{font-size:clamp(22px,2.3vw,28px);margin-top:1.8em}
.prose h3{font-size:18px;margin-top:1.6em}
.prose p,.prose li{color:#c3cfe4;font-size:16.5px}
.prose ul{padding-left:1.3em}
.prose .note{margin:1.6em 0;padding:16px 18px;border-left:3px solid var(--accent);
  background:rgba(56,189,248,.06);border-radius:0 10px 10px 0;color:var(--muted);font-size:15px}
.byline{display:flex;gap:14px;align-items:center;color:var(--dim);font-size:13.5px;margin-bottom:34px}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.25);font-size:13px;font-weight:800;color:var(--accent)}

/* list pages */
.post-list{display:grid;gap:16px}
.post{display:grid;grid-template-columns:110px 1fr;gap:20px;padding:20px 22px;border:1px solid var(--line);
  border-radius:var(--radius);background:var(--card)}
.post:hover{border-color:rgba(56,189,248,.3)}
.post .date{font-size:12.5px;color:var(--dim);letter-spacing:.04em}
.post h3{margin:0 0 .35em;font-size:17.5px}
.post p{margin:0;color:var(--muted);font-size:14.5px}

/* footer */
.site-footer{border-top:1px solid var(--line);background:#050810;padding:54px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:28px}
.foot-col h4{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);margin-bottom:14px}
.foot-col a{display:block;color:var(--muted);font-size:14px;margin-bottom:8px}
.foot-col a:hover{color:var(--text);text-decoration:none}
.foot-about{color:var(--muted);font-size:14px;max-width:34ch}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line-soft);color:var(--dim);font-size:12.5px}

/* ---------- app chrome ---------- */
.app-top{position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:60px;padding:0 22px;background:rgba(7,11,20,.92);border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px)}
.app-top .brand{font-size:12.5px}
.app-links{display:flex;gap:20px;align-items:center}
.app-links a{color:var(--muted);font-size:13.5px}
.app-links a:hover,.app-links a.active{color:var(--text);text-decoration:none}
.app-main{max-width:1240px;margin:0 auto;padding:26px 22px 60px}
.demo-note{display:flex;gap:10px;align-items:center;padding:9px 14px;margin-bottom:22px;
  border:1px solid rgba(56,189,248,.25);background:rgba(56,189,248,.07);border-radius:10px;
  font-size:13px;color:var(--muted)}
.app-title{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;flex-wrap:wrap;margin-bottom:22px}
.app-title h1{font-size:24px;margin:0}
.app-grid{display:grid;gap:16px}
.panel{border:1px solid var(--line);border-radius:12px;background:var(--card);padding:18px}
.panel h3{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:14px}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.kpi{border:1px solid var(--line);border-radius:12px;background:var(--card);padding:16px 18px}
.kpi span{display:block;font-size:12px;color:var(--dim);text-transform:uppercase;letter-spacing:.08em}
.kpi b{display:block;font-size:26px;margin-top:6px;letter-spacing:-.02em}
.kpi i{font-style:normal;font-size:12px;color:var(--ok)}
.row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line-soft);font-size:14px}
.row:last-child{border-bottom:0}
.row .k{color:var(--muted)}
.player{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#000}
.player .screen{position:relative;aspect-ratio:16/9;background:#000 center/cover no-repeat}
.player .screen::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.55))}
.player .play{position:absolute;inset:0;margin:auto;width:64px;height:64px;border-radius:50%;
  background:rgba(56,189,248,.92);display:grid;place-items:center;cursor:pointer;z-index:2;border:0}
.player .play::after{content:"";width:0;height:0;border-left:20px solid #04121f;
  border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.player .bar{display:flex;align-items:center;gap:12px;padding:10px 14px;background:#0a1120;
  border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}
.player .track{flex:1;height:5px;border-radius:3px;background:#22304d;position:relative;cursor:pointer}
.player .track i{position:absolute;left:0;top:0;bottom:0;width:38%;background:var(--accent);border-radius:3px}
.clips{display:grid;gap:10px}
.clip{display:grid;grid-template-columns:74px 1fr;gap:12px;padding:8px;border:1px solid var(--line);
  border-radius:10px;background:var(--card);cursor:pointer}
.clip:hover{border-color:rgba(56,189,248,.35)}
.clip .thumb{aspect-ratio:16/10;border-radius:7px;background:#000 center/cover no-repeat}
.clip h4{margin:0 0 3px;font-size:13.5px}
.clip span{font-size:12px;color:var(--dim)}
.tag{display:inline-block;padding:2px 8px;border-radius:6px;background:rgba(56,189,248,.1);
  color:var(--accent);font-size:11.5px;font-weight:650;margin-right:6px}
.dropzone{border:2px dashed #2b3c5c;border-radius:14px;padding:46px 24px;text-align:center;
  background:var(--card);cursor:pointer;transition:.2s}
.dropzone:hover,.dropzone.on{border-color:var(--accent);background:rgba(56,189,248,.04)}
.dropzone h3{font-size:17px;margin-bottom:.3em}
.dropzone p{margin:0;color:var(--muted);font-size:13.5px}
.file-row{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;
  padding:13px 0;border-bottom:1px solid var(--line-soft);font-size:14px}
.file-row:last-child{border-bottom:0}
.file-row .nm{font-weight:600;font-size:13.5px}
.file-row .meta{font-size:12px;color:var(--dim)}
progress{width:100%;height:6px;appearance:none;border:0;border-radius:4px;overflow:hidden;background:#22304d}
progress::-webkit-progress-bar{background:#22304d}
progress::-webkit-progress-value{background:var(--accent)}
progress::-moz-progress-bar{background:var(--accent)}

/* login */
.login-wrap{min-height:calc(100vh - 60px);display:grid;place-items:center;padding:40px 20px}
.login-card{width:100%;max-width:410px;border:1px solid var(--line);border-radius:16px;
  background:var(--card);padding:32px 28px;box-shadow:0 30px 60px -30px rgba(0,0,0,.8)}
.login-card .brand{justify-content:center;margin-bottom:6px}
.login-card .sub{text-align:center;color:var(--dim);font-size:13px;margin-bottom:24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px}
.field input{width:100%;padding:11px 12px;border-radius:9px;border:1px solid var(--line);
  background:#080e19;color:var(--text);font:inherit;font-size:14px}
.field input:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(56,189,248,.12)}
.err{display:none;margin-bottom:14px;padding:9px 12px;border-radius:8px;font-size:13px;
  color:#fecaca;background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.35)}
.login-card .btn{width:100%;margin-top:6px}
.login-foot{margin-top:18px;text-align:center;font-size:12.5px;color:var(--dim)}

/* responsive */
@media (max-width:1000px){
  .hero .wrap,.split{grid-template-columns:1fr;gap:34px}
  .split.rev .split-media{order:0}
  .stats,.steps,.g4,.kpis{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .nav{gap:16px}
  .nav a:not(.btn){display:none}
}
@media (max-width:620px){
  .stats,.steps,.g2,.g3,.g4,.kpis{grid-template-columns:1fr}
  .hero{padding:56px 0 44px}
  .section{padding:52px 0}
  .post{grid-template-columns:1fr;gap:6px}
}