/* =========================================
   Main Layout & Page Utilities
   ========================================= */

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-on-surface);
  overflow-x: hidden;
  transition: background-color 0.22s ease, color 0.22s ease;
  min-height: 100vh;
}

/* Prevent FOUC before theme.js fires */
html:not([data-theme]) body { visibility: hidden; }
html[data-theme] body { visibility: visible; }

/* ---- Site Container ---- */
.site-container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding-left: var(--margin-desktop);
  padding-right: var(--margin-desktop);
}

@media (max-width: 991px) {
  .site-container {
    padding-left: 40px;
    padding-right: 40px;
  }
}

@media (max-width: 575px) {
  .site-container {
    padding-left: var(--margin-mobile);
    padding-right: var(--margin-mobile);
  }
}

/* ---- Section Rhythm ---- */
.section-xl { padding-top: 96px; padding-bottom: 96px; }
.section-lg { padding-top: 72px; padding-bottom: 72px; }
.section-md { padding-top: 48px; padding-bottom: 48px; }
.section-sm { padding-top: 32px; padding-bottom: 32px; }

.section-header { margin-bottom: 48px; }
.section-header h2 { margin-top: 8px; }

/* ---- Link color reset ---- */
a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover { color: var(--color-primary-container); }

/* ---- Image defaults ---- */
img { max-width: 100%; height: auto; display: block; }

/* ---- Divider ---- */
.divider {
  border: none;
  border-top: 1px solid var(--color-outline-variant);
  margin: 0;
}

/* ---- Gutter overrides for Bootstrap row ---- */
.row.gutter-24 { --bs-gutter-x: 24px; --bs-gutter-y: 24px; }

/* ---- Focus visible styles (accessibility) ---- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* ---- Page main padding ---- */
.page-main { padding-top: 64px; padding-bottom: 64px; }

/* ---- Bootstrap form control color fix for dark mode ---- */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  background-color: var(--color-surface-container);
  color: var(--color-on-surface);
  border-color: var(--color-outline-variant);
}

[data-theme="dark"] .form-control::placeholder { color: var(--color-outline); }

[data-theme="dark"] .form-select option {
  background: var(--color-surface-container);
  color: var(--color-on-surface);
}

/* ---- Bootstrap accordion fix ---- */
[data-theme="dark"] .accordion-button:not(.collapsed) {
  color: var(--color-on-surface);
}

/* ---- Offcanvas dark mode ---- */
[data-theme="dark"] .offcanvas {
  background-color: var(--color-surface-lowest);
  color: var(--color-on-surface);
}

/* ---- Utility: aspect ratio ---- */
.aspect-portrait { aspect-ratio: 2 / 3; }

/* ---- Hero section spacing ---- */
.hero-section {
  padding-top: 80px;
  padding-bottom: 80px;
}

@media (max-width: 768px) {
  .hero-section { padding-top: 48px; padding-bottom: 48px; }
  .section-xl   { padding-top: 64px; padding-bottom: 64px; }
  .section-lg   { padding-top: 48px; padding-bottom: 48px; }
  .cta-banner   { padding: 40px 24px; }
}

/* ---- Inline code ---- */
code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875em;
  background: var(--color-surface-container);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--color-primary);
}

/* ---- Line-clamp utilities ---- */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}