/* ==========================================================================
   layout.css — Container, grid system, sections, responsive utilities
   Mobile-first. Breakpoints: 480 / 768 / 1024 / 1280px
   ========================================================================== */

/* --------------------------------------------------------------------------
   Container
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-sm);
}

.container--wide {
  max-width: var(--container-wide);
}

.container--narrow {
  max-width: 780px;
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.section {
  padding-block: var(--space-lg);
}

.section--tight { padding-block: var(--space-md); }
.section--hero { padding-block: 0; }

.section--light { background-color: var(--brand-light); }
.section--dark {
  background-color: var(--brand-dark);
  color: var(--brand-white);
}
.section--dark h1,
.section--dark h2,
.section--dark h3 { color: var(--brand-white); }
.section--primary {
  background-color: var(--brand-primary);
  color: var(--brand-white);
}
.section--primary h1,
.section--primary h2,
.section--primary h3 { color: var(--brand-white); }

.section-header {
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: var(--space-md);
  text-align: center;
}
.section-header p {
  margin-inline: auto;
  color: var(--color-text-muted);
}
.section--dark .section-header p,
.section--primary .section-header p { color: rgba(255, 255, 255, 0.85); }

/* --------------------------------------------------------------------------
   Grid system
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-md);
}

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }
.grid--auto {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

/* Flex helpers */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }

/* Two-column split (content + media) */
.split {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
  align-items: center;
}

/* Spacing utilities */
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }

/* --------------------------------------------------------------------------
   Breakpoint: 480px (large phones)
   -------------------------------------------------------------------------- */
@media (min-width: 480px) {
  .container { padding-inline: var(--space-md); }
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
}

/* --------------------------------------------------------------------------
   Breakpoint: 768px (tablets)
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  .section { padding-block: var(--space-lg); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr 1fr; }
  .split--reverse .split__media { order: -1; }
}

/* --------------------------------------------------------------------------
   Breakpoint: 1024px (small desktops)
   -------------------------------------------------------------------------- */
@media (min-width: 1024px) {
  .section { padding-block: calc(var(--space-lg) + var(--space-sm)); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* --------------------------------------------------------------------------
   Breakpoint: 1280px (large desktops)
   -------------------------------------------------------------------------- */
@media (min-width: 1280px) {
  .container { padding-inline: var(--space-md); }
}

/* --------------------------------------------------------------------------
   Hero layout
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: center;
  padding-block: calc(var(--header-height) + var(--space-lg)) var(--space-lg);
  background-size: cover;
  background-position: center;
  color: var(--brand-white);
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15, 23, 42, 0.82) 0%, var(--overlay-dark) 55%, rgba(15, 23, 42, 0.35) 100%);
  z-index: -1;
}
.hero__inner { max-width: 660px; }
.hero__title {
  color: var(--brand-white);
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-sm);
}
.hero__subtitle {
  font-size: var(--fs-md);
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: var(--space-md);
  max-width: 52ch;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Compact hero for interior pages */
.page-hero {
  position: relative;
  padding-block: calc(var(--header-height) + var(--space-md)) var(--space-md);
  background: linear-gradient(120deg, var(--brand-secondary), var(--brand-primary));
  color: var(--brand-white);
  text-align: center;
}
.page-hero__title { color: var(--brand-white); }
.page-hero__lead {
  color: rgba(255, 255, 255, 0.9);
  max-width: 60ch;
  margin-inline: auto;
}

@media (min-width: 768px) {
  .hero__title { font-size: var(--fs-4xl); }
  .page-hero { padding-block: calc(var(--header-height) + var(--space-lg)) var(--space-lg); }
}

/* --------------------------------------------------------------------------
   Aspect helpers for media/maps
   -------------------------------------------------------------------------- */
.aspect-16-9 { aspect-ratio: 16 / 9; }
.aspect-4-3  { aspect-ratio: 4 / 3; }
.aspect-1-1  { aspect-ratio: 1 / 1; }

.rounded { border-radius: var(--radius-lg); overflow: hidden; }
.rounded img { width: 100%; height: 100%; object-fit: cover; }