:root{--blue:#2563eb;--sky:#eaf2ff;--dark:#0f172a;--muted:#64748b;--line:#dbeafe;--card:#ffffff;--gold:#d6ad60}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,Segoe UI,Arial;background:linear-gradient(135deg,#f8fbff,#eef6ff 45%,#fff);color:var(--dark)}a{text-decoration:none;color:inherit}.platform-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:18px 6vw;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.brand{font-weight:900;letter-spacing:-.03em}.mark{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:14px;background:var(--blue);color:#fff;margin-right:8px}.platform-header nav{display:flex;gap:18px;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 20px;background:var(--blue);color:#fff;font-weight:800;box-shadow:0 16px 35px rgba(37,99,235,.22)}.btn.ghost{background:#fff;color:var(--blue);border:1px solid var(--line);box-shadow:none}.btn.small{padding:10px 15px}.platform-hero{display:grid;grid-template-columns:minmax(0,1.25fr) .75fr;gap:34px;align-items:center;padding:92px 6vw 55px}.eyebrow{display:inline-flex;color:var(--blue);font-weight:900;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem}.platform-hero h1{font-size:clamp(2.4rem,5vw,5.4rem);line-height:.94;margin:14px 0 20px;letter-spacing:-.07em}.platform-hero p{font-size:1.12rem;line-height:1.75;color:var(--muted);max-width:760px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero-panel,.plan-card,.demo-box{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:30px;padding:28px;box-shadow:0 28px 80px rgba(15,23,42,.08)}.hero-panel strong{font-size:1.2rem}.hero-panel li{margin:14px 0;color:var(--muted)}.section{padding:50px 6vw}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.section h2{font-size:clamp(1.8rem,3vw,3rem);letter-spacing:-.05em;margin:0}.section p{color:var(--muted);line-height:1.65}.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.plan-card h3{font-size:1.35rem;margin:0}.plan-card .price{font-size:2rem;color:var(--blue);font-weight:900;margin:18px 0}.plan-card.featured{border-color:rgba(37,99,235,.35);transform:translateY(-6px)}.split{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:center}.demo-box code{background:#f1f5f9;padding:4px 7px;border-radius:8px}.platform-footer{margin-top:50px;padding:34px 6vw;border-top:1px solid var(--line);color:var(--muted)}@media(max-width:850px){.platform-hero,.split{grid-template-columns:1fr}.plan-grid{grid-template-columns:1fr}.platform-header{align-items:flex-start;gap:14px;flex-direction:column}.platform-header nav{flex-wrap:wrap}.platform-hero{padding-top:55px}}