/* ──────────────────────────────────────────────────────────
   layout.css — page-level structure
   The gutter rule lives here. Every page-edge element uses
   var(--gutter) for horizontal padding. NO hardcoded values.
   ────────────────────────────────────────────────────────── */

/* ── Section: vertical rhythm + horizontal gutter ─────── */
section {
  padding: var(--space-section) var(--gutter);
  position: relative;
}

section + section {
  border-top: 1px solid var(--border);
}

/* ── Section heading conventions ──────────────────────── */
.section-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.section-tag::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.section-h2 {
  font-family: var(--font-display);
  font-size: var(--fs-display-l);
  font-weight: 900;
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  text-align: left;
}

/* ── Reveal-on-scroll baseline (animations.js toggles .visible) ─ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--dur-reveal) var(--ease),
              transform var(--dur-reveal) var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Blinking dot used in tags ────────────────────────── */
.blink {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: blink 1.2s infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .blink { animation: none; }
}

/* ── Generic grids ────────────────────────────────────── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-9);
}

@media (max-width: 1023px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; gap: var(--space-7); }
}
@media (max-width: 767px) {
  .grid-3 { grid-template-columns: 1fr; }
}

/* ── Max content width on huge screens ─────────────────── */
/* Sections cap at 1600px and centre. The matching nav/footer padding
   override lives in components.css (lower in cascade order, where the
   base nav/footer rules are defined). */
@media (min-width: 1600px) {
  section { max-width: 1600px; margin-left: auto; margin-right: auto; }
}