:root{--bg:#050816;--panel:#0d1428;--line:#263457;--text:#edf3ff;--muted:#9aa9c9;--a:#77e4ff;--b:#a98bff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 70% 10%,#182650 0,#050816 42%);color:var(--text);font:16px/1.6 Inter,system-ui,sans-serif}a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;padding:18px 6%;background:#050816d9;backdrop-filter:blur(18px);border-bottom:1px solid #ffffff12}.brand{display:flex;gap:10px;align-items:center;font-weight:800}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--a),var(--b));color:#07101f}nav{display:flex;gap:22px;color:var(--muted);font-size:.92rem}nav a:hover{color:var(--a)}main{max-width:1250px;margin:auto;padding:0 5%}.hero{min-height:700px;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:30px}.eyebrow{letter-spacing:.18em;color:var(--a);font-size:.72rem;font-weight:800}.hero h1{font-size:clamp(2.8rem,6vw,5.8rem);line-height:1.02;margin:20px 0}.hero h1 span{background:linear-gradient(90deg,var(--a),var(--b));color:transparent;background-clip:text}.lead{color:var(--muted);font-size:1.15rem;max-width:650px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}.button{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:11px 20px;font-weight:750;cursor:pointer}.primary{background:linear-gradient(100deg,var(--a),var(--b));color:#07101f;border:0}.secondary{background:#ffffff08}.pill-row{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.8rem}.orb{width:min(420px,90vw);aspect-ratio:1;position:relative;margin:auto;display:grid;place-items:center;filter:drop-shadow(0 0 50px #776bff55);transform:perspective(700px) rotateX(12deg)}.orb-core{width:42%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 30% 25%,#fff,var(--a) 15%,#6957ff 55%,#111b4c 75%);box-shadow:0 0 80px var(--b),inset -20px -20px 50px #0008}.orbit{position:absolute;inset:8%;border:1px solid #77e4ff88;border-radius:50%;transform:rotateX(65deg) rotateY(15deg)}.orbit-a{transform:rotateX(65deg) rotateY(15deg) rotateZ(20deg)}.orbit-b{inset:0;transform:rotateX(70deg) rotateY(65deg)}.orbit-c{inset:18%;transform:rotateX(10deg) rotateY(70deg)}.orb-label{position:absolute;text-align:center;font-size:.65rem;letter-spacing:.3em;color:#fff8}.section{padding:80px 0}.section-heading{max-width:760px;margin-bottom:30px}.section h2{font-size:clamp(2rem,4vw,3.5rem);margin:8px 0}.section-heading p{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card,.chat-shell{background:linear-gradient(145deg,#111b35cc,#080e20cc);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 20px 70px #0003}.card.featured{border-color:#877bff}.card-index{color:var(--a);font-weight:800}.card p{color:var(--muted)}.status{font-size:.7rem;color:var(--a);letter-spacing:.14em}.chat-shell{max-width:900px}.messages{min-height:230px;max-height:430px;overflow:auto;display:flex;flex-direction:column;gap:14px}.message{padding:15px 18px;border-radius:16px;background:#ffffff08}.message p{margin:5px 0;color:var(--muted)}.chat-form{display:flex;gap:12px;margin-top:20px}.chat-form textarea{flex:1;resize:vertical;border:1px solid var(--line);border-radius:16px;padding:14px;background:#050816;color:var(--text);font:inherit}.chat-status{font-size:.8rem;color:var(--muted)}footer{display:flex;justify-content:space-between;gap:15px;padding:35px 6%;border-top:1px solid #ffffff12;color:var(--muted);font-size:.8rem}@media(max-width:800px){nav{gap:10px}nav a:nth-child(3){display:none}.hero{grid-template-columns:1fr;min-height:auto;padding-top:60px}.orb{width:290px}.grid{grid-template-columns:1fr}.chat-form{flex-direction:column}footer{flex-direction:column}}