@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400&family=Inter:wght@300;400;500&display=swap');

:root {
  --color-midnight: #0B1A2E;
  --color-parchment: #F2EBDC;
  --color-ivory: #FFFBF2;
  --color-bronze: #7A654D;
  --color-bronze-light: #A68B5B;
  --color-text: #162032;
  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --radius: 2px;
}

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

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-parchment);
}

/* Archival grain texture overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-midnight);
  margin: 0 0 var(--space-sm) 0;
}

p {
  margin: 0 0 var(--space-sm);
}

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

a {
  color: var(--color-bronze);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-color: rgba(122, 101, 77, 0.3);
  transition: text-decoration-color 0.2s;
}

a:hover {
  text-decoration-color: rgba(122, 101, 77, 1);
}

:focus-visible {
  outline: 2px solid var(--color-bronze);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: var(--space-md);
  background: var(--color-midnight);
  color: var(--color-ivory);
  padding: var(--space-xs) var(--space-sm);
  z-index: 10001;
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: var(--space-sm);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Museum label utility */
.museum-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-bronze);
  margin-bottom: var(--space-xs);
  display: block;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(242, 235, 220, 0.98);
  border-bottom: 1px solid rgba(122, 101, 77, 0.25);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-midnight);
  text-decoration: none;
}

.brand-mark {
  color: var(--color-bronze);
}

.site-nav ul {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  text-decoration: none;
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-bronze);
  transition: width 0.3s ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  color: var(--color-midnight);
}

.menu-toggle .icon {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  position: relative;
}

.menu-toggle .icon::before,
.menu-toggle .icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
}

.menu-toggle .icon::before { top: -7px; }
.menu-toggle .icon::after { top: 7px; }

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
    z-index: 102;
  }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-parchment);
    border-bottom: 1px solid rgba(122,101,77,0.3);
    padding: var(--space-md);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s ease, opacity 0.35s ease;
  }
  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .site-nav ul {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

/* Layout */
.section-boundary {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

.section-header {
  max-width: 640px;
  margin-bottom: var(--space-lg);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

/* Hero */
.hero {
  position: relative;
  min-height: 90vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  overflow: hidden;
}

.hero-inner {
  padding: var(--space-lg) var(--space-md);
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: var(--space-md);
  max-width: 16ch;
}

.hero-lead {
  font-size: 1.125rem;
  max-width: 48ch;
  margin-bottom: var(--space-lg);
  font-weight: 300;
}

.cta-primary {
  display: inline-block;
  padding: 0.875rem 1.75rem;
  border: 1px solid var(--color-midnight);
  background: transparent;
  color: var(--color-midnight);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius);
  transition: background-color 0.3s, color 0.3s, transform 0.2s;
}

.cta-primary:hover {
  background: var(--color-midnight);
  color: var(--color-ivory);
  text-decoration: none;
}

.cta-primary:active {
  transform: translateY(1px);
}

.hero-figure {
  margin: 0;
  height: 100%;
  position: relative;
}

.hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%) sepia(10%);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-inner > * {
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

.hero-inner > *:nth-child(1) { animation-delay: 0.1s; }
.hero-inner > *:nth-child(2) { animation-delay: 0.2s; }
.hero-inner > *:nth-child(3) { animation-delay: 0.3s; }
.hero-inner > *:nth-child(4) { animation-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .hero-inner > * {
    opacity: 1;
    animation: none;
  }
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .hero-figure {
    min-height: 40vh;
    order: -1;
  }
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Conservatory */
.conservatory-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.conservatory-text p {
  font-size: 1.05rem;
  max-width: 54ch;
}

.conservatory-figure {
  margin: 0;
  border: 1px solid rgba(122,101,77,0.3);
  padding: var(--space-xs);
  background: var(--color-ivory);
}

.conservatory-figure img {
  width: 100%;
  filter: grayscale(15%);
}

.conservatory-figure figcaption {
  margin-top: var(--space-xs);
  text-align: center;
}

@media (max-width: 768px) {
  .conservatory-grid {
    grid-template-columns: 1fr;
  }
}

/* Programs */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

.program-card {
  background: var(--color-ivory);
  border-top: 2px solid var(--color-bronze);
  padding: var(--space-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.program-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(11, 26, 46, 0.06);
}

.program-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.program-card p {
  font-size: 0.95rem;
  color: var(--color-text);
  opacity: 0.9;
}

/* Archive */
.archive-subheading {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin: var(--space-xl) 0 var(--space-lg);
}

/* Image comparison */
.comparison-wrapper {
  position: relative;
  max-width: 900px;
  margin: 0 auto var(--space-md);
  overflow: hidden;
  border: 1px solid rgba(122,101,77,0.35);
  background: var(--color-ivory);
  --pos: 50%;
}

.comparison-base {
  display: block;
  width: 100%;
  height: auto;
}

.comparison-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  clip-path: inset(0 calc(100% - var(--pos)) 0 0);
}

.comparison-overlay img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.comparison-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos);
  width: 2px;
  background: var(--color-bronze);
  transform: translateX(-50%);
  z-index: 5;
  pointer-events: none;
}

.comparison-thumb {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--color-parchment);
  border: 2px solid var(--color-bronze);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.comparison-thumb::before {
  content: "◀  ▶";
  font-size: 0.5rem;
  letter-spacing: 0.1em;
  color: var(--color-bronze);
}

.comparison-range {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
  z-index: 10;
}

.comparison-caption {
  text-align: center;
  margin-top: var(--space-sm);
}

/* Timeline */
.timeline {
  max-width: 900px;
  margin: var(--space-lg) auto;
}

.timeline-heading {
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: var(--space-lg);
}

.timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.timeline-list::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: rgba(122,101,77,0.35);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 var(--space-md) var(--space-lg);
  cursor: pointer;
  transition: opacity 0.3s;
}

.timeline-item:nth-child(odd) {
  text-align: right;
  margin-left: auto;
  padding-right: var(--space-md);
  padding-left: 0;
}

.timeline-item:nth-child(even) {
  margin-right: auto;
  padding-left: var(--space-md);
}

.timeline-item.reveal {
  transition-delay: calc(var(--i, 0) * 0.1s);
}

.timeline-node {
  position: absolute;
  top: 0.4rem;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--color-parchment);
  border: 2px solid var(--color-bronze);
  z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-node {
  right: -0.375rem;
}

.timeline-item:nth-child(even) .timeline-node {
  left: -0.375rem;
}

.timeline-item:hover .timeline-node,
.timeline-item.is-active .timeline-node {
  background: var(--color-bronze);
}

.timeline-content h4 {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

.timeline-content time {
  display: block;
  margin-bottom: var(--space-xs);
}

.timeline-content p {
  font-size: 0.95rem;
  opacity: 0.85;
}

@media (max-width: 768px) {
  .timeline-list::before {
    left: var(--space-sm);
  }
  .timeline-item,
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    width: 100%;
    text-align: left;
    margin-left: 0;
    padding-left: calc(var(--space-sm) + 1rem);
    padding-right: 0;
  }
  .timeline-item:nth-child(odd) .timeline-node,
  .timeline-item:nth-child(even) .timeline-node {
    left: calc(var(--space-sm) - 0.375rem);
    right: auto;
  }
}

/* Archive grid */
.archive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
}

.archive-item {
  background: var(--color-ivory);
  border: 1px solid rgba(122,101,77,0.25);
  overflow: hidden;
}

.archive-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  position: relative;
  transition: background-color 0.2s;
}

.archive-trigger:hover {
  background-color: rgba(122,101,77,0.04);
}

.archive-trigger:focus-visible {
  outline-offset: -2px;
}

.archive-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-midnight);
  display: block;
  line-height: 1.3;
}

.archive-icon {
  position: absolute;
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  color: var(--color-bronze);
  transition: transform 0.3s ease;
}

.archive-trigger[aria-expanded="true"] .archive-icon {
  transform: translateY(-50%) rotate(45deg);
}

.archive-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.5s ease;
}

.archive-panel.is-open {
  grid-template-rows: 1fr;
}

.archive-panel-inner {
  overflow: hidden;
}

.archive-panel-inner img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-top: 1px solid rgba(122,101,77,0.2);
}

.archive-panel-inner p {
  padding: var(--space-md);
  font-size: 0.95rem;
}

/* Visit */
.visit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.visit-info address {
  font-style: normal;
  margin-bottom: var(--space-md);
}

.visit-info a {
  text-decoration: none;
}

.visit-info a:hover {
  text-decoration: underline;
}

.hours dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-xs) var(--space-sm);
  margin: 0;
}

.hours dt {
  font-weight: 500;
}

.hours dd {
  margin: 0;
}

.inquiry-form fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

.form-row {
  margin-bottom: var(--space-md);
}

.form-row label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-bronze);
  margin-bottom: var(--space-xs);
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(122,101,77,0.3);
  background: var(--color-ivory);
  color: var(--color-midnight);
  font-family: var(--font-sans);
  font-size: 1rem;
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--color-bronze);
  box-shadow: 0 0 0 3px rgba(122,101,77,0.15);
  outline: none;
}

.form-row textarea {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  font-size: 0.95rem;
  margin-top: var(--space-sm);
  min-height: 1.5em;
}

.form-status.success {
  color: var(--color-midnight);
}

.form-status.error {
  color: #8b0000;
}

@media (max-width: 768px) {
  .visit-grid {
    grid-template-columns: 1fr;
  }
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(122,101,77,0.25);
  padding: var(--space-lg) 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-bronze);
}

.site-footer ul {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  list-style: none;
  padding: 0;
  margin: var(--space-sm) 0 0;
}

.site-footer a {
  color: inherit;
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}