:root{
  --bg:#07111f;
  --panel:#0d1b2e;
  --panel-2:#12233a;
  --text:#eef6ff;
  --muted:#9db0c6;
  --accent:#ff9900;
  --accent-2:#4cc9f0;
  --line:rgba(255,255,255,.08);
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:
    radial-gradient(circle at 12% 8%,rgba(76,201,240,.10),transparent 28%),
    radial-gradient(circle at 88% 12%,rgba(255,153,0,.10),transparent 25%),
    var(--bg);
  color:var(--text);
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
.container{width:min(1120px,calc(100% - 40px));margin:auto}
.header{
  position:sticky;top:0;z-index:20;
  backdrop-filter:blur(16px);
  background:rgba(7,17,31,.78);
  border-bottom:1px solid var(--line);
}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.2px}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),#ffb84d);
  color:#111827;font-weight:900;box-shadow:0 8px 24px rgba(255,153,0,.18)
}
.nav-links{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.nav-links a{padding:9px 12px;border-radius:10px;color:var(--muted);font-size:.95rem}
.nav-links a:hover,.nav-links a.active{background:rgba(255,255,255,.06);color:var(--text)}
.menu-btn{display:none;border:1px solid var(--line);background:var(--panel);color:var(--text);padding:9px 12px;border-radius:10px}
.hero{padding:88px 0 52px}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:center}
.eyebrow{display:inline-flex;gap:8px;align-items:center;padding:7px 12px;border:1px solid rgba(255,153,0,.24);border-radius:999px;color:#ffd399;background:rgba(255,153,0,.08);font-size:.88rem}
h1{font-size:clamp(2.7rem,7vw,5.6rem);line-height:.98;margin:22px 0 22px;letter-spacing:-.055em}
h2{font-size:clamp(1.8rem,4vw,3rem);line-height:1.1;letter-spacing:-.035em;margin:0 0 16px}
h3{margin:0 0 10px;font-size:1.2rem}
.lead{font-size:1.15rem;color:var(--muted);max-width:760px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 18px;border-radius:12px;font-weight:750;border:1px solid var(--line)
}
.btn.primary{background:var(--accent);color:#161616;border-color:transparent}
.btn.secondary{background:rgba(255,255,255,.04);color:var(--text)}
.visual{
  min-height:390px;border:1px solid var(--line);border-radius:30px;padding:26px;
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  box-shadow:var(--shadow);position:relative;overflow:hidden
}
.bucket{
  position:absolute;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#ffd18c,#ff9900 60%,#b86500);
  right:40px;top:55px;filter:drop-shadow(0 24px 28px rgba(255,153,0,.22))
}
.bucket:after{
  content:"S3";position:absolute;inset:0;display:grid;place-items:center;
  color:#1a1a1a;font-size:3.6rem;font-weight:950;letter-spacing:-.08em
}
.node{position:absolute;width:13px;height:13px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 22px rgba(76,201,240,.65)}
.n1{left:45px;top:80px}.n2{left:95px;top:158px}.n3{left:55px;bottom:74px}.n4{right:55px;bottom:62px}
.line{position:absolute;height:1px;background:linear-gradient(90deg,transparent,var(--accent-2),transparent);transform-origin:left center;opacity:.7}
.l1{left:52px;top:86px;width:215px;transform:rotate(19deg)}
.l2{left:100px;top:165px;width:200px;transform:rotate(-8deg)}
.l3{left:60px;bottom:80px;width:240px;transform:rotate(-23deg)}
.metric{position:absolute;padding:10px 12px;border-radius:12px;background:rgba(7,17,31,.82);border:1px solid var(--line);font-size:.86rem;color:var(--muted)}
.m1{left:24px;bottom:24px}.m2{right:20px;top:22px}
.section{padding:72px 0}
.section.alt{background:rgba(255,255,255,.018);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:30px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{
  padding:24px;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025));
  box-shadow:0 12px 30px rgba(0,0,0,.12)
}
.card p,.muted{color:var(--muted)}
.icon{
  width:44px;height:44px;display:grid;place-items:center;border-radius:14px;
  background:rgba(255,153,0,.12);color:#ffb648;margin-bottom:18px;font-size:1.2rem
}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:32px}
.kpi{padding:20px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.035)}
.kpi strong{display:block;font-size:1.7rem;letter-spacing:-.03em}.kpi span{color:var(--muted);font-size:.92rem}
.steps{counter-reset:step;display:grid;gap:16px}
.step{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;padding:20px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.03)}
.step:before{counter-increment:step;content:counter(step);width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:#111;font-weight:900}
.code{
  background:#050a12;border:1px solid var(--line);border-radius:18px;padding:18px;overflow:auto;
  color:#c7f1ff;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92rem
}
.tag{display:inline-block;padding:5px 9px;border-radius:999px;background:rgba(76,201,240,.09);color:#9ee9ff;border:1px solid rgba(76,201,240,.18);font-size:.8rem;margin:2px 5px 2px 0}
.callout{padding:26px;border-radius:22px;border:1px solid rgba(255,153,0,.22);background:linear-gradient(135deg,rgba(255,153,0,.10),rgba(76,201,240,.05))}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px}
table{width:100%;border-collapse:collapse;min-width:720px}
th,td{padding:15px 16px;text-align:left;border-bottom:1px solid var(--line)}
th{color:#fff;background:rgba(255,255,255,.035)} td{color:var(--muted)}
.footer{padding:34px 0 48px;border-top:1px solid var(--line);color:var(--muted);font-size:.92rem}
.footer-row{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.notice{font-size:.83rem;color:#71869e;margin-top:10px}
@media(max-width:850px){
  .hero-grid,.grid-2{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr 1fr}.kpis{grid-template-columns:1fr 1fr}
  .visual{min-height:330px}
  .menu-btn{display:block}.nav-links{display:none;position:absolute;top:72px;left:20px;right:20px;padding:12px;background:#0b1728;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
  .nav-links.open{display:grid}
}
@media(max-width:560px){
  .container{width:min(100% - 28px,1120px)}.hero{padding-top:58px}
  .grid-3,.kpis{grid-template-columns:1fr}
  .bucket{width:145px;height:145px;right:24px}.visual{min-height:300px}
}