/* Utkeern heritage design system */
:root {
  --primary: #8c3b2a;
  --primary-dark: #64291f;
  --primary-soft: #b46a56;
  --secondary: #c9a227;
  --secondary-dark: #9b7914;
  --background: #f8f4e9;
  --surface: #fffcf5;
  --surface-muted: #f1eadb;
  --heading: #2d2a26;
  --body: #5c5346;
  --muted: #817666;
  --border: #d8d1c2;
  --border-strong: #b9ad98;
  --ink-on-dark: #fffaf0;
  --font-display: "Cormorant Garamond", "Playfair Display", Georgia, serif;
  --font-serif: "Lora", Georgia, serif;
  --font-sans: "Inter", "Poppins", Arial, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 250ms var(--ease);
  --transition: 420ms var(--ease);
  --transition-slow: 600ms var(--ease);
  --shadow-sm: 0 8px 24px rgba(57, 43, 27, 0.07);
  --shadow-md: 0 16px 38px rgba(57, 43, 27, 0.11);
  --shadow-lg: 0 26px 70px rgba(45, 30, 19, 0.17);
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --content: 1180px;
  --content-sm: 920px;
  --section-space: clamp(4.5rem, 8vw, 7.5rem);
  --nav-height: 76px;
  --z-nav: 1000;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  max-width: 100%;
  overflow-x: hidden;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 1rem);
}

body {
  min-width: 320px;
  max-width: 100%;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--body);
  background:
    radial-gradient(circle at 12% 8%, rgba(201, 162, 39, 0.07), transparent 24rem),
    linear-gradient(rgba(140, 59, 42, 0.018) 1px, transparent 1px),
    var(--background);
  background-size: auto, 100% 32px, auto;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  opacity: 0.22;
  background-image: url("../images/heritage-grain.svg");
}

#app,
#main {
  min-height: 100vh;
}

#app {
  display: flex;
  width: 100%;
  flex-direction: column;
}

#main {
  display: flex;
  flex: 1;
  flex-direction: column;
  width: 100%;
  overflow: hidden;
}

::selection {
  color: var(--surface);
  background: var(--primary);
}

:focus-visible {
  outline: 3px solid rgba(201, 162, 39, 0.8);
  outline-offset: 4px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  color: var(--heading);
  font-family: var(--font-display);
  line-height: 1.12;
  text-wrap: balance;
}

h1 {
  font-size: clamp(3rem, 8vw, 6.8rem);
  font-weight: 700;
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: 1.25rem;
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

h3 {
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  font-weight: 700;
}

h4 {
  font-size: 1.35rem;
  font-weight: 700;
}

p {
  max-width: 72ch;
  margin: 0 0 1.25rem;
  color: var(--body);
}

a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--secondary-dark);
}

ul,
ol {
  margin: 0 0 1.5rem;
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.55rem;
  color: var(--body);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

section {
  position: relative;
  width: 100%;
}

.container,
.container-sm {
  width: min(100%, var(--content));
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.container-sm {
  width: min(100%, var(--content-sm));
}

section.content {
  padding-block: var(--section-space);
}

section.content.alt {
  border-block: 1px solid rgba(216, 209, 194, 0.75);
  background:
    linear-gradient(135deg, rgba(140, 59, 42, 0.025) 25%, transparent 25%) 0 0 / 44px 44px,
    linear-gradient(315deg, rgba(201, 162, 39, 0.028) 25%, transparent 25%) 0 0 / 44px 44px,
    var(--surface-muted);
}

.grid-2,
.grid-3,
.grid-4,
.grid-6 {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-6 {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  min-height: var(--nav-height);
  border-bottom: 1px solid rgba(216, 209, 194, 0.88);
  background: rgba(255, 252, 245, 0.94);
  box-shadow: 0 8px 30px rgba(52, 39, 24, 0.06);
  backdrop-filter: blur(18px) saturate(130%);
}

.navbar::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  content: "";
  opacity: 0.8;
  background: linear-gradient(90deg, transparent, var(--secondary), var(--primary), var(--secondary), transparent);
}

.navbar-container {
  display: flex;
  min-height: var(--nav-height);
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  position: relative;
  display: grid;
  gap: 0;
  padding-left: 1rem;
  color: var(--primary);
  font-family: var(--font-display);
}

.nav-logo::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 5px;
  height: 38px;
  content: "";
  transform: translateY(-50%);
  border-radius: 99px;
  background: linear-gradient(var(--secondary), var(--primary));
}

.logo-text {
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.015em;
}

.logo-subtitle {
  margin-top: 0.28rem;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 0.61rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nav-logo:hover {
  color: var(--primary-dark);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-item {
  margin: 0;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  padding: 0.8rem 0.7rem;
  color: var(--body);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.nav-link::after {
  position: absolute;
  right: 0.7rem;
  bottom: 0.43rem;
  left: 0.7rem;
  height: 2px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: transform var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.navbar-toggle {
  display: none;
  width: 46px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  color: var(--primary);
}

.nav-icon,
.menu-icon,
.filter-icon,
.button-icon {
  display: block;
  flex: 0 0 auto;
}

.nav-icon {
  width: 16px;
  height: 16px;
  color: var(--muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.nav-link:hover .nav-icon,
.nav-link.active .nav-icon {
  color: var(--primary);
  transform: translateY(-1px);
}

.menu-icon {
  width: 24px;
  height: 24px;
}

/* Shared hero language */
.hero,
.gallery-hero,
.projects-hero,
.research-hero,
.students-hero,
.about-hero {
  isolation: isolate;
  display: grid;
  min-height: clamp(500px, 72vh, 760px);
  place-items: center;
  overflow: hidden;
  padding: clamp(6rem, 11vw, 9rem) 1.5rem;
  color: var(--ink-on-dark);
  background:
    linear-gradient(90deg, rgba(30, 20, 14, 0.88), rgba(55, 28, 19, 0.7) 50%, rgba(29, 20, 15, 0.86)),
    url("../images/heritage-hero.svg") center / cover no-repeat;
}

.hero {
  min-height: calc(100vh - var(--nav-height));
}

.gallery-hero,
.projects-hero,
.research-hero,
.students-hero,
.about-hero {
  min-height: clamp(410px, 57vh, 590px);
}

.hero::before,
.gallery-hero::before,
.projects-hero::before,
.research-hero::before,
.students-hero::before,
.about-hero::before {
  position: absolute;
  z-index: -1;
  inset: -7%;
  content: "";
  opacity: 0.16;
  background: url("../images/heritage-hero.svg") center / cover no-repeat;
  animation: heroDrift 24s ease-in-out infinite alternate;
}

.hero::after,
.gallery-hero::after,
.projects-hero::after,
.research-hero::after,
.students-hero::after,
.about-hero::after {
  position: absolute;
  z-index: -1;
  right: 0;
  bottom: 0;
  left: 0;
  height: 110px;
  content: "";
  background: linear-gradient(transparent, rgba(30, 20, 14, 0.7));
  clip-path: polygon(0 58%, 4% 45%, 8% 58%, 12% 42%, 16% 59%, 20% 48%, 24% 61%, 28% 43%, 32% 58%, 36% 47%, 40% 61%, 44% 44%, 48% 58%, 52% 47%, 56% 62%, 60% 43%, 64% 59%, 68% 46%, 72% 61%, 76% 43%, 80% 58%, 84% 46%, 88% 61%, 92% 44%, 96% 58%, 100% 46%, 100% 100%, 0 100%);
}

.hero-content,
.gallery-hero-content,
.projects-hero-content,
.research-hero-content,
.students-hero-content,
.about-hero-content {
  width: min(100%, 920px);
  margin-inline: auto;
  text-align: center;
  animation: heroContentIn 700ms var(--ease) both;
}

.hero-content h1,
.gallery-hero-content h1,
.projects-hero-content h1,
.research-hero-content h1,
.students-hero-content h1,
.about-hero-content h1 {
  color: var(--ink-on-dark);
  text-shadow: 0 5px 24px rgba(0, 0, 0, 0.3);
}

.hero-content h1 {
  font-size: clamp(4.4rem, 13vw, 9rem);
}

.hero-subtitle,
.gallery-hero-subtitle,
.projects-hero-content p,
.research-hero-content p,
.students-hero-content p,
.about-hero-content p {
  max-width: 760px;
  margin: 1.25rem auto 0;
  color: #ead8ad;
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  line-height: 1.55;
}

.hero-description,
.gallery-hero-description {
  max-width: 760px;
  margin: 1.15rem auto 2.3rem;
  color: rgba(255, 250, 240, 0.84);
  font-size: clamp(0.98rem, 1.6vw, 1.1rem);
}

.heritage-motif {
  position: relative;
  width: min(260px, 55vw);
  height: 18px;
  margin: 1rem auto 0;
}

.heritage-motif::before,
.heritage-motif::after {
  position: absolute;
  top: 50%;
  width: 44%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--secondary));
}

.heritage-motif::before {
  left: 0;
}

.heritage-motif::after {
  right: 0;
  transform: scaleX(-1);
}

.heritage-motif {
  background: radial-gradient(circle, var(--secondary) 0 3px, transparent 4px);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
}

/* Buttons */
.btn {
  position: relative;
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0.78rem 1.45rem;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.025em;
  line-height: 1.2;
  cursor: pointer;
  gap: 0.45rem;
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn::after {
  position: absolute;
  inset: 0;
  content: "";
  transform: translateX(-102%);
  background: linear-gradient(110deg, transparent 15%, rgba(255, 255, 255, 0.2) 48%, transparent 80%);
  transition: transform 520ms var(--ease);
}

.btn:hover::after {
  transform: translateX(102%);
}

.btn:hover {
  transform: translateY(-3px);
}

.btn-primary {
  color: #fffaf0;
  border-color: var(--primary);
  background: var(--primary);
  box-shadow: 0 10px 22px rgba(140, 59, 42, 0.22);
}

.btn-primary:hover {
  color: #fff;
  border-color: var(--primary-dark);
  background: var(--primary-dark);
  box-shadow: 0 14px 30px rgba(100, 41, 31, 0.28);
}

.btn-secondary {
  color: var(--primary);
  border-color: var(--primary);
  background: transparent;
}

.hero .btn-secondary {
  color: #fff5df;
  border-color: rgba(255, 245, 223, 0.68);
  background: rgba(255, 252, 245, 0.07);
}

.btn-secondary:hover {
  color: var(--surface);
  border-color: var(--primary);
  background: var(--primary);
}

.btn-text {
  min-height: auto;
  padding: 0.4rem 0;
  color: var(--primary);
  border: 0;
  background: transparent;
  box-shadow: none;
}

.btn-text:hover {
  color: var(--secondary-dark);
  transform: translateX(4px);
}

/* Heritage dividers and headings */
.heritage-divider {
  position: relative;
  z-index: 2;
  width: min(86%, 920px);
  height: 1px;
  margin: 0 auto;
  background: linear-gradient(90deg, transparent, var(--border-strong) 18%, var(--border-strong) 82%, transparent);
  transform-origin: center;
}

.heritage-divider::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 15px;
  height: 15px;
  content: "";
  transform: translate(-50%, -50%) rotate(45deg);
  border: 1px solid var(--secondary);
  background: var(--background);
  box-shadow: 0 0 0 7px var(--background);
}

.section-intro,
.content > .container > h2:first-child,
.content > .container-sm > h2:first-child,
.container > h2:first-child,
.container-sm > h2:first-child {
  text-align: center;
}

.section-intro,
.container > h2:first-child,
.container-sm > h2:first-child {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.container > h2:first-child::after,
.container-sm > h2:first-child::after,
.section-intro h2::after {
  display: block;
  width: 72px;
  height: 3px;
  margin: 1.15rem auto 0;
  content: "";
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.section-subtitle,
.collection-intro,
.intro-text {
  max-width: 700px;
  margin: -2.8rem auto 3.2rem;
  color: var(--muted);
  text-align: center;
}

/* Cards and exhibit panels */
.card,
.quick-access-card,
.article-card,
.citation-example,
.fact-item,
.impact-item,
.faq-item {
  border: 1px solid var(--border);
  background: rgba(255, 252, 245, 0.92);
  box-shadow: var(--shadow-sm);
}

.card,
.quick-access-card,
.article-card,
.impact-item,
.fact-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card::before,
.quick-access-card::before,
.article-card::before,
.impact-item::before,
.fact-item::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  content: "";
  transform: scaleX(0.35);
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: transform var(--transition);
}

.card:hover,
.quick-access-card:hover,
.article-card:hover,
.impact-item:hover,
.fact-item:hover {
  transform: translateY(-7px);
  border-color: rgba(201, 162, 39, 0.78);
  box-shadow: var(--shadow-md);
}

.card:hover::before,
.quick-access-card:hover::before,
.article-card:hover::before,
.impact-item:hover::before,
.fact-item:hover::before {
  transform: scaleX(1);
}

.feature-card,
.value-card,
.resource-card,
.guideline-card,
.collaboration-card {
  display: flex;
  height: 100%;
  flex-direction: column;
  align-items: center;
  padding: clamp(1.7rem, 4vw, 2.6rem);
  text-align: center;
}

.feature-card h3,
.value-card h3,
.resource-card h3,
.guideline-card h3,
.collaboration-card h3 {
  margin-bottom: 0.85rem;
  color: var(--primary-dark);
}

.feature-card p,
.value-card p,
.resource-card p,
.guideline-card p,
.collaboration-card p {
  margin: 0;
}

.feature-icon,
.resource-icon,
.guideline-icon,
.quick-icon {
  position: relative;
  display: grid;
  width: 56px;
  height: 56px;
  place-items: center;
  margin-bottom: 1.25rem;
  color: var(--primary);
  border: 1px solid rgba(201, 162, 39, 0.68);
  border-radius: 12px 12px 12px 4px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.72), transparent 44%),
    #f4ead2;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -2px 5px rgba(140, 59, 42, 0.05),
    0 8px 18px rgba(74, 51, 28, 0.1);
  transition: color var(--transition), transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.icon-container::after {
  position: absolute;
  right: 6px;
  bottom: 6px;
  width: 5px;
  height: 5px;
  content: "";
  border-radius: 50%;
  background: var(--secondary);
  box-shadow: 0 0 0 2px rgba(255, 252, 245, 0.85);
}

.icon-container .app-icon {
  width: 25px;
  height: 25px;
}

.feature-card:hover .icon-container,
.resource-card:hover .icon-container,
.guideline-card:hover .icon-container,
.quick-access-card:hover .icon-container {
  color: var(--secondary-dark);
  border-color: var(--secondary);
  transform: scale(1.07);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 11px 23px rgba(74, 51, 28, 0.14);
}

.feature-card h3 {
  font-size: clamp(1.65rem, 2.5vw, 2rem);
}

.quick-access-card {
  min-height: 180px;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  color: var(--heading);
  text-align: center;
}

.quick-access-card h4 {
  color: var(--primary-dark);
}

/* Images */
.image-wrapper,
.featured-image,
.project-image,
.about-image,
.bio-image,
.detail-gallery-item {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-muted);
  box-shadow: var(--shadow-md);
}

.featured-image::after,
.project-image::after,
.about-image::after,
.bio-image::after {
  position: absolute;
  inset: 10px;
  content: "";
  pointer-events: none;
  border: 1px solid rgba(255, 252, 245, 0.58);
  border-radius: calc(var(--radius) - 5px);
}

.featured-img,
.project-image img,
.about-image img,
.bio-image img,
.detail-gallery-item img,
.image-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow), filter var(--transition-slow);
}

.featured-img {
  position: absolute;
  inset: 0;
}

.featured-image:hover img,
.project-image:hover img,
.about-image:hover img,
.bio-image:hover img,
.detail-gallery-item:hover img,
.image-card:hover .image-card-image img {
  transform: scale(1.055);
  filter: saturate(0.88) sepia(0.08);
}

.image-card {
  position: relative;
  overflow: hidden;
  height: 100%;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.image-card:hover {
  border-color: rgba(201, 162, 39, 0.72);
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.image-card-link {
  display: block;
  color: inherit;
}

.image-card-link:focus-visible {
  outline-offset: -5px;
}

.image-card-image {
  position: relative;
  height: 420px;
  overflow: hidden;
  background: var(--surface-muted);
}

.image-card-image::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(180deg, transparent 38%, rgba(23, 18, 13, 0.24) 58%, rgba(23, 18, 13, 0.94) 100%);
  transition: opacity var(--transition);
}

.image-card-overlay {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  padding: clamp(1.4rem, 4vw, 2.1rem);
  transform: translateY(3px);
  transition: transform var(--transition);
}

.image-card-overlay h3 {
  margin-bottom: 0.45rem;
  color: var(--ink-on-dark);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  letter-spacing: -0.02em;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.45);
}

.image-card-overlay p {
  max-width: 48ch;
  margin-bottom: 0;
  color: rgba(255, 250, 240, 0.83);
  font-family: var(--font-serif);
  font-size: 0.94rem;
  line-height: 1.55;
}

.image-card:hover .image-card-overlay {
  transform: none;
}

.image-card-metadata {
  display: flex;
  min-height: 68px;
  align-items: center;
  padding: 1rem 1.35rem;
  color: var(--muted);
  border-top: 1px solid rgba(216, 209, 194, 0.8);
  background: var(--surface);
  font-size: 0.75rem;
  font-weight: 600;
}

.image-card-category,
.detail-category,
.project-meta,
.article-date,
.category-tag {
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.image-card-large .image-card-image {
  height: clamp(390px, 42vw, 520px);
}

/* Homepage featured collection */
.featured-highlights {
  background: var(--surface);
}

.featured-item,
.project-case-study {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(0, 0.97fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 5rem);
  margin-bottom: clamp(4rem, 8vw, 7rem);
}

.featured-item:last-child,
.project-case-study:last-child {
  margin-bottom: 0;
}

.featured-item.reverse .featured-image,
.project-case-study.reverse .project-image {
  grid-column: 2;
  grid-row: 1;
}

.featured-item.reverse .featured-text,
.project-case-study.reverse .project-content {
  grid-column: 1;
  grid-row: 1;
}

.featured-image,
.project-image {
  min-height: 390px;
}

.featured-image {
  height: clamp(390px, 40vw, 510px);
  min-height: 0;
}

.featured-text h3,
.project-content h2 {
  margin-bottom: 1rem;
  color: var(--primary-dark);
}

.featured-list {
  margin: 1.5rem 0 2rem;
  padding: 0;
  list-style: none;
}

.featured-list li {
  position: relative;
  padding-left: 1.6rem;
}

.featured-list li::before {
  position: absolute;
  top: 0.8em;
  left: 0;
  width: 9px;
  height: 9px;
  content: "";
  transform: translateY(-50%) rotate(45deg);
  border: 1px solid var(--secondary-dark);
}

/* Gallery */
.gallery-header {
  margin-bottom: 2rem;
}

.filter-section {
  padding: clamp(1.3rem, 3vw, 2rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.filter-labels {
  margin-bottom: 1rem;
}

.filter-labels h4 {
  color: var(--primary-dark);
}

.filter-help {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.gallery-search {
  position: relative;
  display: block;
  margin-bottom: 1rem;
}

.gallery-search-icon {
  position: absolute;
  top: 50%;
  left: 1rem;
  width: 18px;
  height: 18px;
  color: var(--primary);
  transform: translateY(-50%);
  pointer-events: none;
}

.gallery-search input {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 1rem 0.75rem 2.8rem;
  color: var(--heading);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: 0;
  background: var(--background);
  font: 500 0.9rem/1.4 var(--font-sans);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.gallery-search input:focus {
  border-color: var(--secondary-dark);
  background: var(--surface);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.14);
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
  padding: 0.68rem 1rem;
  color: var(--body);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--background);
  font: 600 0.82rem/1.2 var(--font-sans);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-icon {
  width: 16px;
  height: 16px;
}

.button-icon {
  width: 17px;
  height: 17px;
  transition: transform var(--transition-fast);
}

.btn:hover .button-icon {
  transform: translateX(3px);
}

.filter-btn:hover,
.filter-btn.active {
  color: #fff;
  border-color: var(--primary);
  background: var(--primary);
  box-shadow: 0 7px 16px rgba(140, 59, 42, 0.17);
}

.gallery-stats {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  margin: 1.5rem 0;
}

.stat-item {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.5rem 0.85rem;
  border-bottom: 1px solid var(--secondary);
}

.stat-number {
  color: var(--primary);
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
}

.stat-label {
  color: var(--muted);
  font-size: 0.78rem;
}

.gallery-page-status {
  color: var(--muted);
  font: 600 0.76rem/1.2 var(--font-sans);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 2.25rem);
}

.gallery-grid .image-card {
  animation: galleryItemIn 600ms var(--ease) both;
}

.gallery-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.pagination-pages {
  display: flex;
  gap: 0.45rem;
}

.pagination-control,
.pagination-page {
  min-height: 42px;
  color: var(--primary-dark);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  font: 700 0.8rem/1 var(--font-sans);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.pagination-control {
  padding: 0.75rem 1rem;
  border-radius: 999px;
}

.pagination-page {
  width: 42px;
  padding: 0;
  border-radius: 50%;
}

.pagination-control:hover:not(:disabled),
.pagination-page:hover,
.pagination-page.active {
  color: #fff;
  border-color: var(--primary);
  background: var(--primary);
  box-shadow: 0 7px 16px rgba(140, 59, 42, 0.17);
  transform: translateY(-2px);
}

.pagination-control:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.inline-reset {
  padding: 0;
  color: var(--primary);
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.empty-state {
  padding: 4rem 2rem;
  text-align: center;
}

.empty-icon {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  margin: 0 auto 1rem;
  color: var(--primary);
  border: 1px solid var(--secondary);
  border-radius: 12px 12px 12px 4px;
  background: #f4ead2;
  box-shadow: var(--shadow-sm);
}

.empty-title {
  color: var(--heading);
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
}

/* Projects, research, and about */
.projects-list {
  display: grid;
  gap: clamp(4rem, 8vw, 7rem);
}

.project-case-study {
  margin: 0;
}

.project-content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.project-meta {
  margin-bottom: 1rem;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.article-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  padding: clamp(1.5rem, 4vw, 2.25rem);
}

.article-card h3 {
  margin: 0.7rem 0 0.9rem;
  color: var(--primary-dark);
}

.article-card p {
  flex: 1;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.category-tag {
  padding: 0.28rem 0.6rem;
  color: var(--primary);
  border: 1px solid rgba(140, 59, 42, 0.25);
  border-radius: 999px;
  background: rgba(140, 59, 42, 0.05);
}

.read-time {
  color: var(--muted);
  font-size: 0.78rem;
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.about-narrative,
.creator-bio {
  align-items: stretch;
}

.about-image,
.bio-image {
  min-height: 480px;
}

.about-text,
.bio-content {
  padding: clamp(0.5rem, 3vw, 2rem) 0;
}

.about-text h2 {
  text-align: left;
}

.impact-section {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.impact-item {
  padding: 2rem 1.25rem;
  text-align: center;
}

.impact-number {
  display: block;
  margin-bottom: 0.7rem;
  color: var(--primary);
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1;
}

.impact-item h4 {
  margin-bottom: 0.55rem;
  font-size: 1.12rem;
}

.impact-item p {
  margin: 0;
  font-size: 0.88rem;
}

.bio-highlights {
  margin: 1.5rem 0;
}

/* Student resources */
.guidelines-section,
.usage-rules,
.citation-guide,
.community-section,
.faq-section {
  margin-top: 2.5rem;
}

.guidelines-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.rule {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.rule-number {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  color: var(--surface);
  border-radius: 50%;
  background: var(--primary);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.rule-content h4 {
  margin-bottom: 0.45rem;
  color: var(--primary-dark);
}

.rule-content p {
  margin: 0;
}

.citation-example {
  margin-bottom: 1rem;
  padding: 1.6rem;
  border-left: 4px solid var(--secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.citation-example h4 {
  margin-bottom: 0.6rem;
  color: var(--primary-dark);
}

.example-text {
  margin: 0;
  color: var(--body);
  font-family: var(--font-serif);
  font-style: italic;
}

.community-section {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.community-section h3,
.faq-section h3 {
  margin-bottom: 1rem;
  color: var(--primary-dark);
}

.community-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.faq-item {
  margin-bottom: 0.75rem;
  border-radius: var(--radius-sm);
}

.faq-item summary {
  padding: 1rem 1.2rem;
  color: var(--heading);
  font-weight: 700;
  cursor: pointer;
}

.faq-item p {
  padding: 0 1.2rem 1.2rem;
}

/* Detail template */
.heritage-detail {
  width: 100%;
}

.detail-hero {
  height: min(60vh, 620px);
  overflow: hidden;
}

.detail-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(transparent 50%, rgba(37, 24, 17, 0.55));
}

.detail-hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-content {
  padding-block: var(--section-space);
}

.detail-category {
  margin-bottom: 1rem;
}

.detail-content h1 {
  margin-bottom: 1.2rem;
  color: var(--primary-dark);
  font-size: clamp(3rem, 7vw, 5.5rem);
}

.detail-subtitle {
  margin-bottom: 2.5rem;
  color: var(--muted);
  font: 600 clamp(1.1rem, 2vw, 1.35rem)/1.6 var(--font-serif);
}

.detail-introduction,
.info-section {
  margin-bottom: 4rem;
  padding: clamp(1.4rem, 4vw, 2.3rem);
  border: 1px solid var(--border);
  border-left: 4px solid var(--secondary);
  border-radius: var(--radius-sm);
  background: var(--surface-muted);
}

.detail-section {
  margin-bottom: clamp(4rem, 8vw, 6rem);
}

.detail-section h2 {
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.timeline {
  position: relative;
  padding: 1.5rem 0 0;
}

.timeline::before {
  position: absolute;
  top: 1.5rem;
  bottom: 0;
  left: 19px;
  width: 2px;
  content: "";
  background: linear-gradient(var(--secondary), var(--primary), transparent);
}

.timeline-item {
  position: relative;
  padding: 0 0 2rem 4rem;
}

.timeline-marker {
  position: absolute;
  top: 0.2rem;
  left: 8px;
  width: 23px;
  height: 23px;
  border: 5px solid var(--surface);
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 1px var(--secondary);
}

.timeline-content h4 {
  margin-bottom: 0.4rem;
  color: var(--primary-dark);
}

.facts-grid,
.detail-gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}

.fact-item {
  padding: 1.5rem;
}

.fact-item h4 {
  margin-bottom: 0.45rem;
  color: var(--primary);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.detail-gallery-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.detail-gallery-item img {
  height: 240px;
}

.gallery-caption {
  margin: 0;
  padding: 1rem;
  background: var(--surface);
  font-size: 0.88rem;
}

/* Footer */
.footer {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: clamp(4rem, 8vw, 6.5rem) 0 2rem;
  color: rgba(255, 250, 240, 0.82);
  border-top: 4px solid var(--secondary);
  background:
    linear-gradient(rgba(50, 27, 20, 0.94), rgba(38, 27, 22, 0.98)),
    url("../images/heritage-hero.svg") center / cover;
}

.footer::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.08;
  background-image: url("../images/heritage-grain.svg");
}

.footer-container {
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: 3.5rem;
}

.footer-section h4 {
  margin-bottom: 1.1rem;
  color: #ead8ad;
  font-size: 1.3rem;
}

.footer-section p {
  color: rgba(255, 250, 240, 0.72);
  font-size: 0.9rem;
}

.footer-tagline {
  font-family: var(--font-serif);
  font-style: italic;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li {
  margin: 0 0 0.65rem;
}

.footer-links a {
  position: relative;
  color: rgba(255, 250, 240, 0.76);
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.footer-links a:hover {
  color: #f3d77a;
}

.footer-bottom {
  padding-top: 1.7rem;
  border-top: 1px solid rgba(255, 250, 240, 0.14);
  text-align: center;
}

.footer-bottom p {
  max-width: none;
  margin: 0.2rem;
  color: rgba(255, 250, 240, 0.58);
  font-size: 0.78rem;
}

/* Motion */
.js .reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.js .reveal-on-scroll.is-visible {
  opacity: 1;
  transform: none;
}

.js .heritage-divider.reveal-on-scroll {
  transform: scaleX(0.15);
}

.js .heritage-divider.reveal-on-scroll.is-visible {
  transform: scaleX(1);
}

@keyframes heroContentIn {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes heroDrift {
  from {
    transform: scale(1.02) translate3d(-0.6%, 0, 0);
  }
  to {
    transform: scale(1.09) translate3d(0.8%, -0.7%, 0);
  }
}

@keyframes galleryItemIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Blazor framework states */
#blazor-error-ui {
  position: fixed;
  z-index: 2000;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  display: none;
  padding: 1rem 1.25rem;
  color: var(--heading);
  border: 1px solid var(--border);
  border-left: 5px solid var(--primary);
  border-radius: var(--radius-sm);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}

.loading-progress {
  position: relative;
  display: block;
  width: 8rem;
  height: 8rem;
  margin: 20vh auto 1rem;
}

.loading-progress circle {
  fill: none;
  stroke: var(--border);
  stroke-width: 0.6rem;
  transform-origin: 50% 50%;
  transform: rotate(-90deg);
}

.loading-progress circle:last-child {
  stroke: var(--primary);
  stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
  transition: stroke-dasharray 50ms ease-in-out;
}

/* Responsive */
@media (max-width: 1024px) {
  .grid-4,
  .impact-section {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-6 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .gallery-grid,
  .detail-gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .navbar-container {
    gap: 1rem;
  }

  .nav-link {
    padding-inline: 0.45rem;
    font-size: 0.82rem;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 68px;
  }

  .navbar-container {
    position: relative;
    padding-inline: 1rem;
  }

  .navbar-toggle {
    display: block;
  }

  .navbar-menu {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: grid;
    max-height: 0;
    gap: 0;
    overflow: hidden;
    border: 1px solid transparent;
    border-radius: 0 0 var(--radius) var(--radius);
    background: rgba(255, 252, 245, 0.98);
    box-shadow: var(--shadow-md);
    opacity: 0;
    transition: max-height var(--transition), opacity var(--transition), border-color var(--transition);
  }

  .navbar-menu.open {
    max-height: min(420px, calc(100svh - var(--nav-height)));
    border-color: var(--border);
    opacity: 1;
    overflow-y: auto;
  }

  .nav-link {
    display: flex;
    width: 100%;
    min-height: 54px;
    padding: 0.75rem 1.1rem;
    border-bottom: 1px solid rgba(216, 209, 194, 0.65);
    font-size: 0.92rem;
  }

  .nav-item:last-child .nav-link {
    border-bottom: 0;
  }

  .nav-link::after {
    display: none;
  }

  .hero,
  .gallery-hero,
  .projects-hero,
  .research-hero,
  .students-hero,
  .about-hero {
    min-height: 520px;
    background-attachment: scroll;
  }

  .hero {
    min-height: calc(100svh - var(--nav-height));
  }

  .grid-2,
  .grid-3,
  .articles-grid,
  .resources-grid,
  .guidelines-cards,
  .featured-item,
  .project-case-study {
    grid-template-columns: 1fr;
  }

  .featured-item.reverse .featured-image,
  .featured-item.reverse .featured-text,
  .project-case-study.reverse .project-image,
  .project-case-study.reverse .project-content {
    grid-column: 1;
    grid-row: auto;
  }

  .featured-item.reverse .featured-image,
  .project-case-study.reverse .project-image {
    grid-row: 1;
  }

  .featured-image,
  .project-image {
    min-height: 300px;
  }

  .featured-image {
    height: clamp(300px, 72vw, 420px);
    min-height: 0;
  }

  .about-image,
  .bio-image {
    min-height: 380px;
  }

  .section-subtitle,
  .collection-intro,
  .intro-text {
    margin-top: -2rem;
  }

  .detail-gallery-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .footer {
    padding: 3.5rem 0 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
    padding-bottom: 2.5rem;
  }

  .image-card-large .image-card-image {
    height: clamp(360px, 82vw, 500px);
  }
}

@media (max-width: 520px) {
  body {
    font-size: 15px;
  }

  .container,
  .container-sm {
    padding-inline: 1rem;
  }

  .logo-text {
    font-size: 1.45rem;
  }

  .grid-4,
  .grid-6,
  .impact-section,
  .facts-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  section.content {
    padding-block: clamp(3rem, 12vw, 4rem);
  }

  .grid-4 {
    gap: 0.9rem;
  }

  .quick-access-card {
    display: grid;
    min-height: 104px;
    grid-template-columns: 52px minmax(0, 1fr);
    justify-content: stretch;
    gap: 1rem;
    padding: 1rem 1.15rem;
    text-align: left;
  }

  .quick-access-card .quick-icon {
    width: 52px;
    height: 52px;
    margin: 0;
  }

  .quick-access-card h4 {
    font-size: 1.3rem;
  }

  .footer {
    padding-top: 3rem;
  }

  .footer-container {
    width: 100%;
  }

  .footer-grid {
    gap: 2rem;
    padding-bottom: 2rem;
  }

  .footer-section h4 {
    margin-bottom: 0.75rem;
  }

  .footer-section p {
    margin-bottom: 0.85rem;
  }

  .hero-cta,
  .community-links {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-cta .btn,
  .community-links .btn {
    width: 100%;
  }

  .filter-buttons {
    display: grid;
    grid-template-columns: 1fr;
  }

  .filter-btn {
    width: 100%;
  }

  .gallery-stats {
    align-items: flex-end;
    flex-direction: column;
    gap: 0.35rem;
  }

  .gallery-pagination {
    gap: 0.5rem;
  }

  .pagination-control {
    padding-inline: 0.75rem;
  }

  .rule {
    grid-template-columns: 44px 1fr;
    gap: 1rem;
  }

  .rule-number {
    width: 42px;
    height: 42px;
    font-size: 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js .reveal-on-scroll,
  .js .heritage-divider.reveal-on-scroll {
    opacity: 1;
    transform: none;
  }
}