:root {
    --ink: #102a43;
    --muted: #52606d;
    --brand: #0f6e8c;
    --brand-dark: #0b5468;
    --accent: #e6f4f8;
    --line: #d9e2ec;
    --bg: #ffffff;
    --soft: #f5f8fa;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
}
a { color: var(--brand); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
header.site {
    position: sticky; top: 0; z-index: 10;
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(6px);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--ink); text-decoration: none; }
.logo svg { width: 32px; height: 32px; }
nav.main { display: flex; gap: 20px; align-items: center; }
nav.main a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
nav.main a:hover { color: var(--ink); }
.btn {
    display: inline-block; padding: 12px 22px; border-radius: 10px;
    background: var(--brand); color: #fff; text-decoration: none; font-weight: 600;
}
.btn:hover { background: var(--brand-dark); }
.btn.ghost { background: transparent; color: var(--brand); border: 1px solid var(--brand); }
.hero { padding: 72px 0 56px; background: linear-gradient(180deg, var(--accent), #fff); }
.hero h1 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.15; margin: 0 0 16px; max-width: 760px; }
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 680px; margin: 0 0 28px; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; }
section { padding: 64px 0; }
section.alt { background: var(--soft); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 12px; }
.sub { color: var(--muted); margin: 0 0 32px; max-width: 680px; }
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); }
.tag { display: inline-block; font-size: 0.75rem; font-weight: 600; color: var(--brand-dark); background: var(--accent); padding: 2px 10px; border-radius: 999px; margin-bottom: 10px; }
.price { border: 2px solid var(--brand); border-radius: 16px; padding: 32px; background: #fff; max-width: 520px; }
.price .amount { font-size: 2.4rem; font-weight: 800; }
.price .amount small { font-size: 1rem; font-weight: 500; color: var(--muted); }
.price ul { padding-left: 20px; color: var(--muted); }
.cta { text-align: center; }
.cta .sub { margin-left: auto; margin-right: auto; }
footer.site { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: 0.9rem; }
footer.site .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
footer.site nav { display: flex; flex-wrap: wrap; gap: 16px; }
footer.site a { color: var(--muted); }
.legal { max-width: 780px; padding: 48px 20px 64px; margin: 0 auto; }
.legal h1 { font-size: 2rem; margin-bottom: 4px; }
.legal .updated { color: var(--muted); margin-top: 0; }
.legal h2 { font-size: 1.25rem; margin-top: 32px; }
.legal .note { background: #fff8e1; border: 1px solid #f5d77a; border-radius: 10px; padding: 12px 16px; font-size: 0.95rem; }
@media (max-width: 720px) {
    nav.main a:not(.btn) { display: none; }
    .hero { padding: 48px 0 40px; }
    section { padding: 48px 0; }
}