/* ============================================================
   Sheikh ul Aalam Library — Design Tokens
   Palette derived from the SKUAST-K university site: navy + gold
   ============================================================ */

:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-default: 1180px;
  --content-wide: 1320px;

  --font-display: 'Fraunces', 'Georgia', serif;
  --font-body: 'Roboto', 'Segoe UI', sans-serif;
}

:root,
[data-theme='light'] {
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-surface-2: #fbfbfa;
  --color-surface-offset: #eef1f4;
  --color-divider: #dfe3e8;
  --color-border: #d3d9e0;

  --color-text: #29303a;
  --color-text-muted: #5a6472;
  --color-text-faint: #8a92a0;
  --color-text-inverse: #f7f8fa;

  /* Primary Navy (SKUAST brand) */
  --color-primary: #002147;
  --color-primary-hover: #001a39;
  --color-primary-active: #00132a;
  --color-primary-highlight: #d6dde6;

  /* Gold accent (SKUAST brand) */
  --color-gold: #fdc800;
  --color-gold-hover: #e0af00;
  --color-gold-active: #b88f00;
  --color-gold-highlight: #fdf2c9;

  --color-link: #0d6efd;
  --color-link-hover: #0a58ca;

  --color-success: #2e7d43;
  --color-warning: #a15a00;
  --color-error: #a1273d;

  --shadow-sm: 0 1px 2px rgba(0, 15, 40, 0.06);
  --shadow-md: 0 6px 20px rgba(0, 15, 40, 0.10);
  --shadow-lg: 0 16px 40px rgba(0, 15, 40, 0.16);
}

[data-theme='dark'] {
  --color-bg: #0b1420;
  --color-surface: #101d2e;
  --color-surface-2: #142335;
  --color-surface-offset: #16273b;
  --color-divider: #223449;
  --color-border: #2b3f57;

  --color-text: #e7ebf1;
  --color-text-muted: #a8b3c2;
  --color-text-faint: #6e7c8f;
  --color-text-inverse: #101d2e;

  --color-primary: #6f9dcf;
  --color-primary-hover: #8db2da;
  --color-primary-active: #a9c5e3;
  --color-primary-highlight: #1c3450;

  --color-gold: #ffd23d;
  --color-gold-hover: #ffdd66;
  --color-gold-active: #ffe795;
  --color-gold-highlight: #3a3113;

  --color-link: #7ab0ff;
  --color-link-hover: #a4c8ff;

  --color-success: #6bbf82;
  --color-warning: #d99a3f;
  --color-error: #e0687f;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0b1420;
    --color-surface: #101d2e;
    --color-surface-2: #142335;
    --color-surface-offset: #16273b;
    --color-divider: #223449;
    --color-border: #2b3f57;
    --color-text: #e7ebf1;
    --color-text-muted: #a8b3c2;
    --color-text-faint: #6e7c8f;
    --color-text-inverse: #101d2e;
    --color-primary: #6f9dcf;
    --color-primary-hover: #8db2da;
    --color-primary-active: #a9c5e3;
    --color-primary-highlight: #1c3450;
    --color-gold: #ffd23d;
    --color-gold-hover: #ffdd66;
    --color-gold-active: #ffe795;
    --color-gold-highlight: #3a3113;
    --color-link: #7ab0ff;
    --color-link-hover: #a4c8ff;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  }
}

/* ============================================================
   Layout primitives
   ============================================================ */

.wrap {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-10));
}

a {
  color: var(--color-link);
  text-decoration: none;
}
a:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

/* ============================================================
   Utility bar
   ============================================================ */
.utility-bar {
  background: var(--color-primary-active);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
}
.utility-bar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-2);
  flex-wrap: wrap;
}
.utility-bar a {
  color: var(--color-text-inverse);
  opacity: 0.92;
}
.utility-bar a:hover {
  color: var(--color-gold);
  opacity: 1;
}
.utility-contact {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
  align-items: center;
}
.utility-contact span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.utility-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-gold);
  font-weight: 500;
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-4);
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex: 1 1 320px;
  min-width: 0;
}
.brand-mark {
  width: clamp(48px, 6vw, 68px);
  height: auto;
  flex-shrink: 0;
  object-fit: contain;
}
.brand-text {
  min-width: 0;
}
.brand-eyebrow {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
  display: block;
  margin-bottom: 2px;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 1.05rem + 1.8vw, var(--text-2xl));
  color: var(--color-primary);
  letter-spacing: -0.01em;
  line-height: 1.05;
  text-wrap: balance;
}
[data-theme='dark'] .brand-name {
  color: var(--color-text);
}
.brand-sub {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.opac-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: 700;
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}
.opac-cta:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}
.opac-cta svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}
.opac-cta .opac-labels {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  text-align: left;
}
.opac-cta .opac-labels small {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  flex-shrink: 0;
}
.theme-toggle:hover {
  background: var(--color-surface-offset);
}
.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* ============================================================
   Nav / dropdown menu
   ============================================================ */
.site-nav {
  background: var(--color-primary);
  position: relative;
  z-index: 90;
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-inner {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
}
.nav-item {
  position: relative;
}
.nav-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-4) var(--space-5);
  white-space: nowrap;
}
.nav-toggle svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-interactive);
}
.nav-item.home .nav-toggle {
  font-weight: 700;
}
.nav-item:hover .nav-toggle,
.nav-item:focus-within .nav-toggle {
  background: var(--color-primary-hover);
  color: var(--color-gold);
}
.nav-item:hover .nav-toggle svg,
.nav-item:focus-within .nav-toggle svg {
  transform: rotate(180deg);
}
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-top: 3px solid var(--color-gold);
  box-shadow: var(--shadow-lg);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition:
    opacity var(--transition-interactive),
    transform var(--transition-interactive),
    visibility var(--transition-interactive);
}
.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown a {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: var(--text-sm);
}
.nav-dropdown a:hover {
  background: var(--color-surface-offset);
  color: var(--color-primary);
  text-decoration: none;
}
[data-theme='dark'] .nav-dropdown a:hover {
  color: var(--color-gold);
}
.nav-dropdown a .ext-icon {
  width: 12px;
  height: 12px;
  margin-left: var(--space-2);
  opacity: 0.55;
  display: inline-block;
  vertical-align: -1px;
}

/* Mobile nav */
.nav-mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  color: var(--color-text-inverse);
  padding: var(--space-3);
}
.nav-mobile-toggle svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
@media (max-width: 860px) {
  .nav-wrap {
    align-items: flex-start;
  }
  .nav-mobile-toggle {
    display: inline-flex;
  }
  .nav-inner {
    display: none;
    flex-direction: column;
    width: 100%;
  }
  .nav-inner.open {
    display: flex;
  }
  .nav-item {
    width: 100%;
  }
  .nav-toggle {
    width: 100%;
    justify-content: space-between;
  }
  .nav-dropdown {
    position: static;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    border-radius: 0;
    background: var(--color-primary-hover);
    border: none;
  }
  .nav-dropdown a {
    color: var(--color-text-inverse);
  }
  .nav-dropdown a:hover {
    background: var(--color-primary-active);
    color: var(--color-gold);
  }
  .nav-item.nav-open .nav-dropdown {
    display: block;
  }
}

/* ============================================================
   Section heading (gold underline motif)
   ============================================================ */
.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
[data-theme='dark'] .section-heading {
  color: var(--color-text);
}
.section-heading::after {
  content: '';
  display: block;
  width: 46px;
  height: 4px;
  background: var(--color-gold);
  margin-top: var(--space-3);
  border-radius: var(--radius-full);
}
.section-heading.center::after {
  margin-inline: auto;
}

/* ============================================================
   Hero banner (page masthead)
   ============================================================ */
.page-banner {
  position: relative;
  background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-primary-active) 100%);
  color: var(--color-text-inverse);
  padding-block: clamp(var(--space-10), 8vw, var(--space-20));
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 15% 20%, rgba(253, 200, 0, 0.14), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(253, 200, 0, 0.1), transparent 50%);
  pointer-events: none;
}
.page-banner .wrap {
  position: relative;
}
.breadcrumb {
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
  color: rgba(255, 255, 255, 0.85);
}
.breadcrumb a {
  color: var(--color-gold);
}
.breadcrumb a:hover {
  color: #fff;
}
.page-banner h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.4rem + 3vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}
.page-banner p.lede {
  margin-top: var(--space-4);
  max-width: 62ch;
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.88);
}

/* Big bold library name hero (homepage only) */
.masthead {
  position: relative;
  text-align: center;
  padding-block: clamp(var(--space-8), 6vw, var(--space-14));
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  overflow: hidden;
}
.masthead-gallery {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.masthead-gallery .gallery-track {
  height: 100%;
  align-items: center;
}
.masthead-gallery .gallery-item {
  aspect-ratio: auto;
  width: clamp(380px, 30vw, 560px);
  border: none;
  box-shadow: none;
}
.masthead::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(rgba(0, 15, 40, 0.45), rgba(0, 15, 40, 0.72));
  pointer-events: none;
}
.masthead-content {
  position: relative;
  z-index: 2;
}
.masthead-eyebrow {
  font-size: var(--text-sm);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
  margin-bottom: var(--space-3);
}
.masthead h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-3xl);
  color: #fff;
  letter-spacing: -0.015em;
  line-height: 1.02;
  text-shadow: 0 2px 18px rgba(0, 10, 30, 0.45);
}
[data-theme='dark'] .masthead h1 {
  color: #fff;
}
.masthead .gold-rule {
  width: 90px;
  height: 5px;
  background: var(--color-gold);
  margin: var(--space-5) auto 0;
  border-radius: var(--radius-full);
}
.masthead p.tagline {
  margin-top: var(--space-5);
  color: rgba(255, 255, 255, 0.92);
  font-size: var(--text-lg);
  max-width: 60ch;
  margin-inline: auto;
}

/* ============================================================
   Main content grid (content + sidebar)
   ============================================================ */
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: clamp(var(--space-8), 4vw, var(--space-12));
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
  align-items: start;
}
@media (max-width: 900px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
}

.content-main {
  min-width: 0;
}
.prose p {
  margin-bottom: var(--space-5);
  color: var(--color-text);
  max-width: 74ch;
}
.prose p.lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}
.prose h3 {
  font-size: var(--text-lg);
  color: var(--color-primary);
  font-weight: 700;
  margin: var(--space-8) 0 var(--space-3);
}
[data-theme='dark'] .prose h3 {
  color: var(--color-gold);
}
.prose ul,
.prose ol {
  margin: 0 0 var(--space-5) var(--space-6);
}
.prose li {
  margin-bottom: var(--space-2);
}
.quote-block {
  border-left: 3px solid var(--color-gold);
  background: var(--color-surface-offset);
  padding: var(--space-6);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-block: var(--space-6);
}
.quote-block p {
  margin-bottom: var(--space-3);
  font-style: italic;
  color: var(--color-text);
}
.quote-block p:last-child {
  margin-bottom: 0;
}
.quote-signoff {
  font-style: normal !important;
  font-weight: 600;
  color: var(--color-primary) !important;
}
[data-theme='dark'] .quote-signoff {
  color: var(--color-gold) !important;
}

/* Data tables */
.table-wrap {
  overflow-x: auto;
  margin-bottom: var(--space-8);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}
table.data-table {
  font-size: var(--text-sm);
}
table.data-table caption {
  text-align: left;
  font-weight: 700;
  color: var(--color-primary);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-offset);
  border-bottom: 1px solid var(--color-divider);
}
[data-theme='dark'] table.data-table caption {
  color: var(--color-gold);
}
table.data-table th,
table.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  text-align: left;
  vertical-align: top;
}
table.data-table thead th {
  background: var(--color-surface-2);
  font-weight: 700;
  color: var(--color-text);
  border-bottom: 2px solid var(--color-border);
}
table.data-table tbody tr:last-child td {
  border-bottom: none;
}
table.data-table tbody tr:hover {
  background: color-mix(in oklab, var(--color-gold) 8%, transparent);
}

/* Staff cards */
.staff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-6);
  margin-bottom: var(--space-8);
}
.staff-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.staff-card .avatar {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-base);
  margin-bottom: var(--space-3);
}
.staff-card img.avatar {
  width: 64px;
  height: 64px;
  object-fit: cover;
  background: var(--color-surface-offset);
}
[data-theme='dark'] .staff-card .avatar {
  background: var(--color-primary-highlight);
  color: var(--color-text);
}
.staff-card h4 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 2px;
}
.staff-card h4.single-line {
  white-space: nowrap;
  font-size: clamp(0.75rem, 0.7rem + 0.2vw, 0.875rem);
}
.staff-card .role {
  font-size: var(--text-xs);
  color: var(--color-gold-active);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-2);
}
[data-theme='dark'] .staff-card .role {
  color: var(--color-gold);
}
.staff-card a {
  font-size: var(--text-xs);
  word-break: break-all;
}

/* ============================================================
   Sidebar
   ============================================================ */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  position: sticky;
  top: calc(var(--space-16) + 56px);
}
.side-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.side-card-header {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.side-card-header svg {
  width: 18px;
  height: 18px;
  color: var(--color-gold);
  flex-shrink: 0;
}
.side-card-body {
  padding: var(--space-5);
}
.hours-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-2);
  border-bottom: 1px dashed var(--color-divider);
  font-size: var(--text-sm);
}
.hours-row:last-child {
  border-bottom: none;
}
.hours-row .day {
  font-weight: 600;
  color: var(--color-text);
}
.hours-row .time {
  color: var(--color-text-muted);
  text-align: right;
}
.hours-group-title {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-gold-active);
  font-weight: 700;
  margin-top: var(--space-4);
  margin-bottom: var(--space-1);
}
[data-theme='dark'] .hours-group-title {
  color: var(--color-gold);
}
.hours-group-title:first-child {
  margin-top: 0;
}
.hours-note {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-divider);
}
.side-links a {
  display: block;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
}

/* ============================================================
   Gallery — continuous marquee carousel
   ============================================================ */
.home-gallery {
  background: var(--color-surface);
  padding-block: clamp(var(--space-8), 4vw, var(--space-12));
  border-bottom: 1px solid var(--color-divider);
}
.home-gallery .gallery-item {
  aspect-ratio: 16 / 9;
  width: clamp(460px, 40vw, 720px);
  border: none;
  box-shadow: var(--shadow-md);
}
.gallery-section {
  background: var(--color-surface-offset);
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
  border-block: 1px solid var(--color-divider);
}
.gallery-heading-wrap {
  text-align: center;
  margin-bottom: var(--space-8);
}
.gallery-track-outer {
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(to right, transparent, black 4%, black 96%, transparent);
  mask-image: linear-gradient(to right, transparent, black 4%, black 96%, transparent);
}
.gallery-track {
  display: flex;
  gap: var(--space-5);
  width: max-content;
  animation: gallery-scroll 55s linear infinite;
}
.gallery-track-outer:hover .gallery-track {
  animation-play-state: paused;
}
.gallery-item {
  flex: 0 0 auto;
  width: clamp(200px, 26vw, 300px);
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-divider);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@keyframes gallery-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}
@media (prefers-reduced-motion: reduce) {
  .gallery-track {
    animation: none;
    overflow-x: auto;
  }
}

/* ============================================================
   Downloads
   ============================================================ */
.downloads-section {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
}
.downloads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.download-btn {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-left: 5px solid var(--color-gold);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.download-btn:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  text-decoration: none;
  border-left-color: var(--color-primary);
}
[data-theme='dark'] .download-btn:hover {
  border-left-color: var(--color-gold);
}
.download-btn .icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
[data-theme='dark'] .download-btn .icon {
  color: var(--color-text);
}
.download-btn .icon svg {
  width: 22px;
  height: 22px;
}
.download-btn .label {
  min-width: 0;
}
.download-btn .label .title {
  font-weight: 700;
  color: var(--color-text);
  font-size: var(--text-base);
}
.download-btn .label .meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.footer-top {
  padding-block: clamp(var(--space-10), 6vw, var(--space-14));
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-8);
}
.footer-col h5 {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
  font-weight: 700;
}
.footer-col p,
.footer-col a {
  color: rgba(255, 255, 255, 0.82);
  font-size: var(--text-sm);
}
.footer-col a {
  display: block;
  margin-bottom: var(--space-2);
}
.footer-col a:hover {
  color: var(--color-gold);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.footer-brand .brand-mark {
  width: 40px;
  height: auto;
}
.footer-brand strong {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: #fff;
}
.footer-bottom {
  background: var(--color-primary-active);
  padding-block: var(--space-4);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.85);
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 46px;
  height: 46px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  z-index: 80;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--color-gold);
  color: var(--color-primary);
}
.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* External link note badge */
.ext-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.info-callout {
  background: var(--color-gold-highlight);
  border: 1px solid color-mix(in oklab, var(--color-gold) 45%, transparent);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--space-6);
}
.info-callout strong {
  color: var(--color-primary);
}
[data-theme='dark'] .info-callout strong {
  color: var(--color-gold);
}