/*
 * Layout
 * Page shell structure - where sections get placed.
 * Header slot, main content area, footer slot.
 */

/* ═══════════════════════════════════════════════════════════════════════════
   PAGE STRUCTURE
   ═══════════════════════════════════════════════════════════════════════════ */

body {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

/* Header slot - for sticky/fixed header */
#header-slot {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

/* Main content area - sections get injected here */
main {
  flex: 1;
}

/* Footer slot */
#footer-slot {
  margin-top: auto;
}

/* ═══════════════════════════════════════════════════════════════════════════
   SECTION DEFAULTS
   ═══════════════════════════════════════════════════════════════════════════ */

/* All sections get consistent vertical padding */
section[data-section] {
  padding: var(--section-padding-y) 0;
}

main > section[data-section] + section[data-section] {
  border-top: 1px solid var(--color-border-subtle);
}

/* Shared heading layout for primary homepage sections. */
.section-heading {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 30rem), 1fr));
  align-items: end;
  gap: clamp(24px, 4vw, 56px);
  margin-bottom: clamp(36px, 6vw, 72px);
}

.section-heading > * {
  min-width: 0;
}

.section-heading .section-title {
  max-width: 22ch;
}

/* A heading without supporting copy can use the full available row. */
.section-heading:not(:has(> p)) .section-title {
  max-width: none;
}

.section-heading > p {
  max-width: 36ch;
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--type-compact-body-size);
  line-height: var(--leading-relaxed);
}

/* ═══════════════════════════════════════════════════════════════════════════
   LOADING STATE
   ═══════════════════════════════════════════════════════════════════════════ */

/* Show while sections are loading */
.loading-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* ═══════════════════════════════════════════════════════════════════════════
   SCROLL MARGIN FOR ANCHOR LINKS
   ═══════════════════════════════════════════════════════════════════════════ */

/* Account for sticky header when jumping to sections */
section[id],
footer[id],
[id^="update-"] {
  scroll-margin-top: 96px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-accent-2);
  font-family: var(--font-mono);
  font-size: var(--type-label-size);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.section-kicker::before {
  content: '';
  width: 28px;
  height: 1px;
  background: currentColor;
}

.section-title {
  margin-top: var(--space-4);
  font-size: var(--type-section-title-size);
  font-weight: 600;
  line-height: 1.08;
  text-wrap: pretty;
}