/* =============================================================================
   LAYOUT.CSS — Grid, Container, Section, Page Structure
   Ilahia Polytechnic College
============================================================================= */

/* ── Container ──────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

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

.container--narrow {
  max-width: 800px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

/* Cards inside a narrow column should use full column width (fixes mobile alignment) */
.container--narrow > .card {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Horizontal scroll for wide tables inside cards (mobile) */
.table-responsive {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-responsive table {
  width: 100%;
  min-width: 320px;
}

.important-dates-table th,
.important-dates-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
}

.important-dates-table th {
  font-weight: var(--fw-semibold);
}

/* ── Page Wrapper ───────────────────────────────────────────────────────────── */
.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page-wrapper main {
  flex: 1;
}

/* ── Section Base ───────────────────────────────────────────────────────────── */
.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section--sm {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.section--lg {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

.section--grey {
  background-color: var(--color-off-white);
}

.section--dark {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.section--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ── Section Header ─────────────────────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header .eyebrow {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section-header h2 {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section--dark .section-header h2,
.section--primary .section-header h2 {
  color: var(--color-white);
}

.section--dark .section-header p,
.section--primary .section-header p {
  color: rgba(255, 255, 255, 0.75);
}

/* Decorative underline on section titles */
.section-header h2::after {
  content: '';
  display: block;
  width: 56px;
  height: 4px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  margin: var(--space-4) auto 0;
}

/* ── Grid Systems ───────────────────────────────────────────────────────────── */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.grid--auto-fit-sm  { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid--auto-fit-md  { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--auto-fit-lg  { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

/* ── Flex Utilities ─────────────────────────────────────────────────────────── */
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.flex-wrap   { flex-wrap: wrap; }
.flex-col    { flex-direction: column; }
.items-center{ align-items: center; }
.gap-2  { gap: var(--space-2); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }

/* ── Card Base ──────────────────────────────────────────────────────────────── */
.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card__body {
  padding: var(--space-6);
}

.card__img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* ── Breadcrumb ─────────────────────────────────────────────────────────────── */
.breadcrumb {
  background: var(--color-off-white);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-light-grey);
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.breadcrumb__list li + li::before {
  content: '/';
  margin-right: var(--space-2);
  color: var(--color-text-light);
}

.breadcrumb__list a {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.breadcrumb__list a:hover {
  color: var(--color-accent);
}

.breadcrumb__list li:last-child {
  color: var(--color-text);
  font-weight: var(--fw-medium);
}

/* ── Page Hero (inner pages) ────────────────────────────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  padding: var(--space-16) 0 var(--space-12);
  text-align: center;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.page-hero h1 {
  color: var(--color-white);
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-4);
}

.page-hero p {
  color: rgba(255,255,255,0.8);
  font-size: var(--fs-md);
  max-width: 600px;
  margin: 0 auto;
}

/* ── Two-col layout ─────────────────────────────────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.two-col--60-40 {
  grid-template-columns: 3fr 2fr;
}

/* ── Gallery Grid ───────────────────────────────────────────────────────────── */
.gallery-grid {
  display: grid;
  gap: var(--space-4);
  /* responsive columns set in responsive.css */
  grid-template-columns: 1fr; /* mobile: 1 col */
}

.gallery-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--color-light-grey);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Divider ────────────────────────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--color-light-grey);
  margin: var(--space-8) 0;
}

/* ── Spacers ────────────────────────────────────────────────────────────────── */
.spacer-4  { height: var(--space-4);  }
.spacer-8  { height: var(--space-8);  }
.spacer-12 { height: var(--space-12); }
.spacer-16 { height: var(--space-16); }