.site-header { min-height: 64px; margin: 0 48px; display: flex; align-items: center; gap: 32px; border-bottom: 1px solid var(--line); }
.site-header .brand { margin-right: auto; }
.site-header nav { display: flex; gap: 20px; font-size: 13px; }
.site-header nav a { display: flex; align-items: center; min-height: 44px; text-decoration: none; }
.theme-switch { display: flex; align-items: center; gap: 8px; min-height: 44px; font: 11px "JetBrains Mono", monospace; color: var(--fg2); cursor: pointer; }
.theme-switch input { accent-color: var(--acc); width: 18px; height: 18px; }
main { max-width: 1600px; margin: auto; padding: 0 48px; }
.hero { display: grid; grid-template-columns: 7fr 4fr; gap: 8%; padding: 72px 0 80px; align-items: end; }
.stage { color: var(--acc); margin-bottom: 24px; }
h1 { font-size: clamp(40px, 5vw, 60px); line-height: 1.02; letter-spacing: -.025em; max-width: 12ch; }
.hero-aside p { color: var(--fg2); font-size: 17px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button, button { display: inline-flex; justify-content: center; align-items: center; min-height: 44px; padding: 12px 18px; border: 1px solid var(--line2); border-radius: 0; color: var(--fg); background: transparent; text-decoration: none; font-size: 14px; cursor: pointer; }
.primary { background: var(--acc); color: var(--accfg); border-color: var(--acc); font-weight: 500; }
.features { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.features article { padding: 32px 28px 40px; border-right: 1px solid var(--line); }
.features article:first-child { padding-left: 0; }
.features article:last-child { border-right: 0; }
h2 { font-size: 20px; margin-bottom: 16px; }
.features p { color: var(--fg2); font-size: 14px; max-width: 38ch; }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 32px 0; color: var(--fg2); font: 11px "JetBrains Mono", monospace; }
.site-footer button { font: inherit; }
@media (max-width: 700px) {
 .site-header { margin: 0 24px; gap: 8px 16px; flex-wrap: wrap; padding: 10px 0; }
 .site-header nav { width: 100%; justify-content: space-between; gap: 8px; }
 main { padding: 0 24px; }
 .hero { grid-template-columns: 1fr; gap: 32px; padding: 56px 0; }
 h1 { font-size: 30px; line-height: 1.1; }
 .features { grid-template-columns: 1fr; }
 .features article, .features article:first-child { padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
 .features article:last-child { border-bottom: 0; }
 .site-footer { flex-wrap: wrap; }
}