:root { --bg: #fbf8f2; --card: #ffffff; --ink: #1f1c16; --quiet: #5f5a50; --line: #e4ddd0; --accent: #1f5f8b; --accent-ink: #ffffff; --tint: #eef4f9; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --bg: #15140f; --card: #201e18; --ink: #f2eee6; --quiet: #b0a99c; --line: #3a362c; --accent: #8cc3ea; --accent-ink: #10202c; --tint: #1c2630; } }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 19px/1.6 Georgia, "Times New Roman", serif; }
a { color: var(--accent); }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }
header.top { border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; justify-content: space-between; align-items: center; padding-top: 14px; padding-bottom: 14px; gap: 12px; flex-wrap: wrap; }
.brand { font: 700 20px/1.2 -apple-system, "Segoe UI", sans-serif; color: var(--ink); text-decoration: none; }
nav a { font: 16px -apple-system, "Segoe UI", sans-serif; margin-left: 16px; }
h1, h2, h3 { font-family: -apple-system, "Segoe UI", sans-serif; line-height: 1.25; }
h1 { font-size: clamp(30px, 6vw, 46px); margin: 48px 0 12px; }
h2 { font-size: 28px; margin: 56px 0 16px; }
.lead { font-size: 22px; color: var(--quiet); max-width: 680px; }
.btn { display: inline-block; font: 600 19px -apple-system, "Segoe UI", sans-serif; background: var(--accent); color: var(--accent-ink); padding: 16px 26px; border-radius: 10px; text-decoration: none; border: 0; cursor: pointer; }
.btn.ghost { background: transparent; color: var(--accent); border: 2px solid var(--accent); }
.covers { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 16px; margin: 32px 0; }
.covers img { width: 100%; height: auto; border-radius: 6px; box-shadow: 0 1px 4px rgba(0,0,0,.15); display: block; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.card h3 { margin: 0 0 6px; font-size: 21px; }
.card p { margin: 0; color: var(--quiet); }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.plan { text-align: center; }
.plan .price { font: 700 40px -apple-system, "Segoe UI", sans-serif; margin: 8px 0 0; color: var(--ink); }
.plan .per { color: var(--quiet); margin-bottom: 16px; }
.plan.best { border: 2px solid var(--accent); background: var(--tint); }
.badge { display: inline-block; font: 600 14px -apple-system, sans-serif; background: var(--accent); color: var(--accent-ink); padding: 3px 10px; border-radius: 99px; }
.fine { font-size: 16px; color: var(--quiet); }
details { border-bottom: 1px solid var(--line); padding: 14px 0; }
summary { cursor: pointer; font-weight: 600; font-family: -apple-system, "Segoe UI", sans-serif; }
footer { border-top: 1px solid var(--line); margin-top: 72px; padding: 28px 0 48px; font-size: 16px; color: var(--quiet); }
footer a { margin-right: 18px; }
.legal h2 { font-size: 23px; margin-top: 36px; }
.legal { max-width: 760px; }
.note { background: var(--tint); border-radius: 10px; padding: 14px 18px; }