:root{
  --blue:#0b63f6;
  --blue-dark:#071b53;
  --green:#12d68a;
  --green-dark:#04a66a;
  --ink:#07111f;
  --muted:#5d6b7c;
  --bg:#edf5ff;
  --white:#fff;
  --shadow:0 24px 70px rgba(11,99,246,.16);
}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Poppins,Arial,sans-serif;background:#fff;color:var(--ink);overflow-x:hidden}.container{width:min(1180px,90%);margin:auto}.header{position:fixed;top:0;left:0;width:100%;z-index:20;height:86px;display:flex;align-items:center;justify-content:center;gap:48px;padding:0 48px;background:rgba(237,245,255,.82);backdrop-filter:blur(16px);border-bottom:1px solid rgba(11,99,246,.08);transition:.35s}.header.scrolled{height:72px;background:rgba(255,255,255,.94);box-shadow:0 12px 35px rgba(7,27,83,.12)}.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink);margin-right:auto}.brand b{font-size:32px;line-height:1}.brand small{display:block;color:var(--blue);font-size:11px;letter-spacing:5px}.brand-eye{width:68px;height:68px;border-radius:50%;background:radial-gradient(circle,#ff1b1b 0 10%,#050914 11% 30%,#d7efff 31% 34%,#0b63f6 35% 43%,#07111f 44%);box-shadow:0 0 0 5px #e9f5ff}.nav{display:flex;gap:28px}.nav a{font-weight:700;color:#172033;text-decoration:none}.nav a:hover{color:var(--blue)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:34px;padding:15px 30px;font-weight:800;text-decoration:none;cursor:pointer;transition:.3s}.btn-primary{background:linear-gradient(135deg,var(--blue),#0854df);color:#fff;box-shadow:0 16px 35px rgba(11,99,246,.28)}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 45px rgba(18,214,138,.24)}.btn-outline{background:transparent;border:2px solid var(--blue);color:var(--ink)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.hero{position:relative;min-height:760px;background:#edf5ff;padding:170px 0 80px;overflow:hidden}.bg-lines{position:absolute;inset:0;background-image:linear-gradient(125deg,transparent 0 46%,rgba(11,99,246,.09) 47%,transparent 48%),radial-gradient(circle at 15% 35%,rgba(11,99,246,.14) 0 2px,transparent 3px),radial-gradient(circle at 65% 65%,rgba(18,214,138,.24) 0 2px,transparent 3px);background-size:260px 260px,220px 220px,260px 260px;opacity:.9}.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.eyebrow{color:var(--blue);font-weight:900;letter-spacing:.6px}.hero h1{font-size:76px;line-height:.98;margin:28px 0 26px;text-transform:uppercase;font-weight:900}.hero h1 span{display:block;color:var(--blue)}.hero p,.upload-copy p{font-size:18px;line-height:1.75;color:var(--muted);max-width:640px}.hero-actions{display:flex;gap:20px;margin-top:38px}.hero-art{height:430px;position:relative;background:linear-gradient(180deg,#f8fbff,#e9f5ff);border-radius:8px;box-shadow:var(--shadow);overflow:hidden}.media-core{position:absolute;left:50%;top:48%;translate:-50% -50%;width:190px;height:190px;border-radius:28px;background:linear-gradient(145deg,var(--blue-dark),var(--blue));box-shadow:0 0 0 18px rgba(18,214,138,.13),0 22px 50px rgba(11,99,246,.3)}.play-icon{position:absolute;left:72px;top:58px;border-left:56px solid var(--green);border-top:36px solid transparent;border-bottom:36px solid transparent}.server{position:absolute;width:80px;height:170px;border-radius:20px;background:#071b53;box-shadow:inset 0 0 0 6px rgba(255,255,255,.08)}.server:before,.server:after{content:"";position:absolute;left:18px;right:18px;height:8px;background:var(--green);border-radius:10px}.server:before{top:35px}.server:after{top:65px}.server-a{left:40px;top:95px}.server-b{right:46px;bottom:90px}.node{position:absolute;width:95px;height:95px;border-radius:22px;background:#fff;box-shadow:0 18px 45px rgba(11,99,246,.13)}.n1{right:70px;top:55px}.n2{left:105px;bottom:58px}.n3{right:180px;bottom:45px}.screen{position:absolute;left:64%;top:58%;width:160px;height:95px;border-radius:18px;background:#092468;padding:20px}.screen span{display:block;height:9px;margin:8px;border-radius:10px;background:var(--green)}.robot{position:absolute;left:35px;bottom:28px;width:70px;height:90px;border-radius:30px 30px 20px 20px;background:linear-gradient(#fff,#dcecff);box-shadow:0 18px 40px rgba(0,0,0,.11)}.upload-section{padding:110px 0;background:#fff}.section-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;align-items:center}.upload-copy h2,.section-title h2{font-size:46px;line-height:1.15;margin:16px 0 22px}.checks{margin-top:26px;display:grid;gap:14px}.checks li{list-style:none;color:#2d3d55}.checks li:before{content:"✓";display:inline-grid;place-items:center;width:24px;height:24px;margin-right:10px;border-radius:50%;background:rgba(18,214,138,.14);color:var(--green-dark);font-weight:900}.upload-card{background:#fff;border:1px solid rgba(11,99,246,.18);box-shadow:var(--shadow);border-radius:26px;padding:26px}.dropzone{display:grid;place-items:center;text-align:center;min-height:260px;border:2px dashed rgba(11,99,246,.35);border-radius:22px;background:linear-gradient(180deg,#f7fbff,#eef7ff);cursor:pointer;padding:26px;transition:.3s}.dropzone.drag{border-color:var(--green);background:#effff8;transform:scale(1.01)}.upload-icon{width:74px;height:74px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--green));color:#fff;font-size:34px;margin-bottom:14px}.dropzone strong{font-size:25px}.dropzone small{font-size:15px;color:var(--muted);margin-top:8px}.dropzone em{font-style:normal;color:var(--blue);font-weight:700;margin-top:14px}.file-info{margin:18px 0;color:var(--muted);font-weight:600}.preview{display:none;width:100%;max-height:330px;border-radius:18px;background:#07111f}.preview.active{display:block}.actions-row{display:flex;justify-content:flex-end;gap:14px;margin-top:22px}.features{padding:100px 0;background:#f5faff}.section-title{text-align:center;margin-bottom:50px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.feature{background:#fff;border-radius:24px;padding:38px;box-shadow:0 18px 50px rgba(7,27,83,.08);transition:.3s}.feature:hover{transform:translateY(-8px)}.feature i{display:grid;place-items:center;width:64px;height:64px;border-radius:18px;background:rgba(11,99,246,.1);color:var(--blue);font-size:30px;font-style:normal}.feature h3{font-size:22px;margin:22px 0 12px}.feature p{color:var(--muted);line-height:1.7}.workflow{padding:90px 0}.workflow-box{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:linear-gradient(135deg,var(--blue-dark),var(--blue));border-radius:30px;overflow:hidden;box-shadow:var(--shadow)}.workflow-box div{padding:36px;color:#fff;background:rgba(255,255,255,.04)}.workflow-box b{display:block;color:var(--green);font-size:34px}.workflow-box span{font-size:18px;font-weight:700}.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s ease,transform .8s ease}.reveal.active{opacity:1;transform:none}.delay-1{transition-delay:.15s}.delay-2{transition-delay:.3s}@media(max-width:920px){.header{padding:0 20px;gap:18px}.nav{display:none}.hero-grid,.section-grid,.feature-grid,.workflow-box{grid-template-columns:1fr}.hero h1{font-size:52px}.hero-art{height:340px}.header .btn{display:none}.brand b{font-size:24px}.brand-eye{width:52px;height:52px}}