:root{--navy:#0B1220;--teal:#2DD4BF;--teal-deep:#0F766E;--bg:#F5F5F4;--ink:#111;--muted:#5f6368}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.55}
a{color:var(--teal-deep)}.wrap{max-width:980px;margin:0 auto;padding:0 20px}
header{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;letter-spacing:-.02em;color:var(--navy);text-decoration:none}
.brand img{width:36px;height:36px;border-radius:9px}.brand b{color:var(--teal-deep);font-weight:800}
nav a{margin-left:18px;color:var(--ink);text-decoration:none;font-weight:500}
.hero{padding:56px 0 36px}.hero h1{font-size:44px;line-height:1.1;letter-spacing:-.03em;margin:0 0 14px}
.hero p{font-size:19px;color:var(--muted);max-width:620px;margin:0 0 24px}
.btn{display:inline-block;background:var(--navy);color:#fff;padding:12px 20px;border-radius:10px;text-decoration:none;font-weight:600}
.btn.alt{background:#fff;color:var(--navy);border:1px solid #ddd;margin-left:10px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:36px 0}
.card{border:1px solid #e8e8e8;border-radius:14px;padding:20px;background:#fff}.card h3{margin:0 0 6px;font-size:17px}.card p{margin:0;color:var(--muted)}
.price{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:24px 0 48px}.price .card.pro{border-color:var(--teal-deep)}
.price .amt{font-size:30px;font-weight:800;margin:6px 0}.price ul{padding-left:18px;margin:10px 0;color:var(--muted)}
footer{border-top:1px solid #eee;padding:28px 0;color:var(--muted);font-size:14px}
.prose h1{font-size:34px;letter-spacing:-.02em}.prose h2{margin-top:32px}.prose{max-width:760px}
@media(max-width:640px){.hero h1{font-size:34px}.price{grid-template-columns:1fr}.btn.alt{margin:10px 0 0}}