html { background: var(--surface); }
body {
    min-width: 320px;
    color: var(--text);
    background: var(--surface);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
.shell { width: var(--shell); margin-inline: auto; }
.section { padding-block: var(--section-space); }
.eyebrow {
    margin-bottom: 12px;
    color: var(--brand);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
}
.eyebrow--light { color: rgba(255,255,255,.68); }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.035em; }
h1 { font-size: clamp(2.7rem, 4.2vw, 4.9rem); }
h2 { font-size: clamp(2rem, 2.8vw, 3.35rem); }
h3 { font-size: clamp(1.08rem, 1.2vw, 1.35rem); }
p { color: var(--text-muted); }
.section-lead { max-width: 760px; font-size: clamp(.98rem, 1vw, 1.12rem); }
.error-page { min-height: 100vh; display: grid; place-items: center; background: var(--surface-soft); padding: 24px; }
.error-card { max-width: 680px; padding: 48px; border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-soft); }
.error-card img { margin-bottom: 24px; }
.error-card h1 { margin-bottom: 20px; }
.error-card p { margin-bottom: 28px; }