/* ═══════════════════════════════════════════════════
   LAYOUT — Zane Davis Portfolio
   ═══════════════════════════════════════════════════ */

/* ─── CONTAINER ──────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--px);
  padding-right: var(--px);
}

/* ─── ACCESSIBILITY ──────────────────────────────── */
.skip-link {
  position: absolute;
  top: -60px;
  left: 0;
  background: var(--text-primary);
  color: var(--bg);
  padding: 8px 16px;
  z-index: 999;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: 0; outline: none; }

/* ─── UTILITIES ──────────────────────────────────── */
.mt-xs { margin-top: 12px; }
.mt-sm { margin-top: 16px; }
.mt-md { margin-top: 20px; }
.mt-lg { margin-top: 28px; }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: 16px; }
.mb-lg { margin-bottom: 28px; }
.pt-md { padding-top: 32px; }

/* ─── NAVIGATION ─────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 2px solid var(--text-primary);
}

.nav-inner {
  padding: 0 var(--page-px);
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-primary);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 28px;
}

.nav-links a {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-primary);
  letter-spacing: 0.01em;
}
.nav-links a:hover { opacity: 0.6; }
.nav-links a[aria-current="page"] {
  opacity: 0.4;
  pointer-events: none;
}

/* ─── PAGE HEADER (interior pages) ───────────────── */
.page-header {
  padding-top: 56px;
  padding-bottom: 44px;
  padding-left: var(--page-px);
  padding-right: var(--page-px);
}

.page-header-label {
  font-family: var(--sans-condensed);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.page-header-title {
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.page-header-intro {
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-body);
  max-width: 520px;
}

/* ─── SECTION ────────────────────────────────────── */
.section, .cta-section {
  border-top: 2px solid var(--border);
  padding-top: 48px;
  padding-bottom: 52px;
  padding-left: var(--page-px);
  padding-right: var(--page-px);
}

/* Sections own their padding; neutralise .container inside */
.section .container, .cta-section .container {
  max-width: none;
  margin: 0;
  padding: 0;
}

.section-label {
  font-family: var(--sans-condensed);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* ─── SITE FOOTER ────────────────────────────────── */
.site-footer {
  border-top: 2px solid var(--border);
}

.footer-inner {
  padding: 0 var(--page-px);
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy,
.footer-notice {
  font-family: var(--sans-condensed);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-faint);
}