/* base.css — Reset, body, typography, layout primitives */

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; }
figure { margin: 0; }

/* Skip navigation link — WCAG */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 9999;
  padding: 12px 24px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 0 0 4px 4px;
  transition: top 200ms ease;
}
.skip-link:focus {
  top: 0;
}

/* Focus-visible outlines for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Remove outline for mouse users */
:focus:not(:focus-visible) {
  outline: none;
}

.site-shell { overflow: clip; }
.container {
  width: min(100% - 48px, 1320px);
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 28px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 500;
}

h1, h2, h3 {
  font-family: var(--font-display);
  margin: 0;
  text-wrap: balance;
}

h1 {
  font-size: clamp(48px, 10vw, 160px);
  font-weight: 720;
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

h2 {
  font-size: clamp(36px, 5.5vw, 80px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
}

h3 {
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 680;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.lead {
  margin: 32px 0 0;
  max-width: 560px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
  letter-spacing: 0.005em;
}

.section { padding: var(--section-space-md) 0; }
.section + .section { padding-top: var(--section-space-sm); }

.section-head {
  display: grid;
  gap: 18px;
  margin-bottom: clamp(48px, 6vw, 96px);
}

.section-copy {
  max-width: 560px;
  color: var(--muted);
  font-size: 16px;
  margin: 0;
  line-height: 1.6;
}

.split {
  display: grid;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}

footer {
  padding: 64px 0 80px;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.footer-grid {
  display: grid;
  gap: 22px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-links a { transition: color 200ms ease; }
.footer-links a:hover { color: var(--fg); }
footer .brand-logo { opacity: 0.6; }

.footer-brand-col {
  display: grid;
  gap: 16px;
}

.footer-contact-info {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.footer-contact-info a {
  color: var(--accent);
  transition: color 200ms ease;
}

.footer-contact-info a:hover {
  color: var(--fg);
}

.footer-legal {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.footer-legal p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

@media (min-width: 680px) {
  .container { width: min(100% - 80px, 1320px); }
  .footer-grid { grid-template-columns: 1fr auto; align-items: center; }
}

@media (min-width: 980px) {
  .section-head { grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.5fr); align-items: end; }
  .split { grid-template-columns: 0.9fr 1.1fr; }
}