:root { --ink: #111827; --muted: #4b5563; --line: #e5e7eb; --accent: #4f46e5; --bg: #f9fafb; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.6 -apple-system, "Segoe UI", Helvetica, Arial, sans-serif; color: var(--ink); background: var(--bg); }
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { display: flex; align-items: center; justify-content: space-between; padding-top: 28px; }
header a.brand { font-weight: 700; font-size: 20px; color: var(--ink); text-decoration: none; }
header a.brand span { color: var(--accent); }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 15px; }
nav a:hover { color: var(--ink); }
h1 { font-size: 34px; line-height: 1.2; margin: 48px 0 12px; }
h2 { font-size: 20px; margin: 36px 0 8px; }
p.lead { font-size: 19px; color: var(--muted); margin: 0 0 28px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; }
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.note { background: #eff6ff; border: 1px solid #bfdbfe; border-radius: 10px; padding: 14px 18px; margin-top: 28px; }
ul { padding-left: 20px; } li { margin: 4px 0; }
footer { color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); margin-top: 56px; padding-top: 18px; padding-bottom: 40px; }
footer a { color: var(--muted); }
a.button { display: inline-block; background: var(--accent); color: #fff; text-decoration: none; font-weight: 600; padding: 10px 18px; border-radius: 8px; }
a.button:hover { filter: brightness(1.08); }
.soon { color: var(--muted); font-size: 15px; margin-left: 10px; }
.plan .price { font-size: 28px; font-weight: 700; color: var(--ink); margin: 4px 0 8px; }
.plan .price span { font-size: 15px; font-weight: 400; color: var(--muted); }
.plan ul { margin: 0; font-size: 15px; color: var(--muted); }
.plan.featured { border: 2px solid var(--accent); }