:root {
    --ink: #1d1d1f;
    --muted: #6e6e73;
    --line: #d2d2d7;
    --paper: #f5f5f7;
    --card: #ffffff;
    --accent: #0a7a72;
    --link: #0a7a72;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--ink);
    background: var(--paper);
}

.wrap {
    max-width: 800px;
    margin: 0 auto;
    padding: 28px 20px 64px;
}

nav.links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 28px;
    font-size: 0.95rem;
}

h1 {
    font-weight: 650;
    letter-spacing: -0.02em;
    margin: 0 0 8px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
}

h2 {
    font-size: 1.2rem;
    margin: 2rem 0 0.7rem;
}

h3 {
    margin: 0 0 8px;
    color: var(--accent);
}

.lede, .updated, footer {
    color: var(--muted);
}

.updated { margin: 0 0 1.5rem; }

section { margin-bottom: 8px; }

.card, .contact-section, .feature-card {
    background: var(--card);
    border-radius: 14px;
    padding: 22px 22px 18px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 14px;
    margin: 28px 0;
}

.hero { margin: 8px 0 8px; }

.faq-item { margin: 0 0 18px; }
.faq-question { font-weight: 650; }

.lang {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
}

a { color: var(--link); }

footer {
    margin-top: 48px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    font-size: 0.9rem;
    text-align: center;
}

header.center { text-align: center; padding: 12px 0 8px; }
header.center h1 { border: 0; padding: 0; color: var(--accent); }