* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; color: var(--color-text); background: var(--color-surface); font: 400 var(--text-body)/1.65 var(--font-body); }
body.menu-open { overflow: hidden; }
body::selection { color: var(--color-ink); background: var(--color-signal-soft); }
a { color: inherit; }
h1,h2,h3,p { margin: 0; }
h1,h2,h3 { font-family: var(--font-display); letter-spacing: -.042em; text-wrap: balance; }
h1 { max-width: 11ch; font-size: var(--text-display-lg); font-weight: 700; line-height: .98; }
h2 { max-width: 18ch; font-size: var(--text-h2); font-weight: 600; line-height: 1.08; }
h3 { font-size: var(--text-h3); font-weight: 700; line-height: 1.18; }
:focus-visible { outline: 3px solid var(--color-signal); outline-offset: 4px; }
.container { width: min(100% - (var(--gutter) * 2), var(--container-main)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: .75rem; left: .75rem; padding: .75rem 1rem; color: var(--color-ink); background: var(--color-signal-soft); transform: translateY(-150%); transition: transform var(--duration-fast) var(--ease-out); }
.skip-link:focus { transform: translateY(0); }
.micro-label { color: var(--color-signal-strong); font-family: var(--font-body); font-size: var(--text-micro); font-weight: 600; letter-spacing: .075em; line-height: 1.45; text-transform: uppercase; }
.body-lg { max-width: 58ch; color: var(--color-text-muted); font-size: var(--text-body-lg); }
.lab-header { min-height: 5rem; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); font-size: var(--text-body-sm); }
.lab-header p { color: var(--color-text-muted); font-size: var(--text-micro); font-weight: 600; letter-spacing: .08em; text-align: right; }
.lab-header small { padding-left: .5rem; color: var(--color-signal-strong); }
.lab-brand { display: inline-flex; align-items: center; gap: .65rem; font-family: var(--font-display); font-size: .86rem; font-weight: 800; letter-spacing: -.035em; text-decoration: none; }
.lab-brand span { width: 2rem; aspect-ratio: 1; display: grid; place-items: center; color: var(--color-signal); border: 1px solid currentColor; font: 600 .6rem/1 var(--font-body); letter-spacing: -.05em; }
.lab-section { padding-block: var(--section-space); }
.section-intro { display: grid; gap: var(--space-4); margin-bottom: clamp(2rem, 5vw, 4rem); }
.section-intro--on-dark { color: var(--color-surface); }.section-intro--on-dark .micro-label { color: #7fd1c4; }
.lab-footer { padding: var(--space-8) 0; color: rgba(255,255,255,.62); background: var(--color-ink); font-size: var(--text-micro); font-weight: 600; letter-spacing: .06em; }
.lab-footer .container { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-8); justify-content: space-between; }
@media (forced-colors: active) { .surface-glass { border: 1px solid CanvasText; } .button--primary { border: 1px solid ButtonText; } }