/* 
  LEGACY GALLERY 
  Ultra-Premium Digital Museum Experience
  Theme: Deep Charcoal & Warm Ivory
*/

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

:root {
  --color-bg: #111111; /* Deep Charcoal */
  --color-bg-alt: #1a1a1a;
  --color-text: #f4f1ea; /* Warm Ivory */
  --color-text-muted: #b8b3a7;
  --color-accent: #d4af37; /* Subtle gallery gold/copper hint, used very sparingly */
  
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Outfit', sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2.5rem;
  --spacing-lg: 5rem;
  --spacing-xl: 10rem;
  --spacing-xxl: 15rem;
  
  --transition-slow: 1.2s cubic-bezier(0.19, 1, 0.22, 1);
  --transition-medium: 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, .font-heading {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.1;
}

.gallery-title {
  font-size: clamp(3rem, 8vw, 8rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-sm);
  text-transform: capitalize;
}

.gallery-subtitle {
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  font-weight: 300;
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: var(--spacing-lg);
}

.gallery-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--spacing-sm);
  border-bottom: 1px solid rgba(244, 241, 234, 0.2);
  padding-bottom: 0.5rem;
  display: inline-block;
}

p {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-muted);
  font-weight: 300;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Layout & Rooms */
.exhibition-room {
  min-height: 100vh;
  width: 100vw;
  padding: var(--spacing-xl) 5vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* Cinematic Entrance */
.room-entrance {
  align-items: center;
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.entrance-image-wrap {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 3/4;
  margin: 0 auto var(--spacing-lg);
  overflow: hidden;
  position: relative;
  opacity: 0;
  transform: translateY(40px);
  animation: revealUp var(--transition-slow) forwards;
}

.entrance-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.1);
  transition: filter var(--transition-slow), transform var(--transition-slow);
}

.entrance-image-wrap:hover img {
  filter: grayscale(0%) contrast(1);
  transform: scale(1.05);
}

.entrance-content {
  opacity: 0;
  transform: translateY(30px);
  animation: revealUp var(--transition-slow) 0.3s forwards;
}

@keyframes revealUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Split Layouts for Exhibition */
.gallery-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

@media (max-width: 900px) {
  .gallery-split {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

.gallery-content-panel {
  padding: var(--spacing-md);
  background: var(--color-bg-alt);
  border-left: 1px solid rgba(244, 241, 234, 0.1);
  position: relative;
}

/* Navigation (Museum Index) */
.museum-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-md) 5vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  mix-blend-mode: difference;
}

.nav-brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  color: #fff; /* White for difference blend */
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
}

.nav-item {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #fff;
  transition: opacity 0.3s ease;
}

.nav-item:hover {
  opacity: 0.6;
}

.nav-item.active {
  border-bottom: 1px solid #fff;
}

/* Floating Info Panels */
.info-panel {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  padding: var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: var(--spacing-md);
  transition: transform var(--transition-medium), background var(--transition-medium);
}

.info-panel:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.05);
}

/* Buttons */
.btn-exhibit {
  display: inline-block;
  padding: 1rem 2.5rem;
  border: 1px solid var(--color-text);
  color: var(--color-text);
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  transition: all 0.4s ease;
  background: transparent;
  cursor: pointer;
  margin-right: 1rem;
  margin-top: 1rem;
}

.btn-exhibit:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

.btn-exhibit.primary {
  background: var(--color-text);
  color: var(--color-bg);
}

.btn-exhibit.primary:hover {
  background: transparent;
  color: var(--color-text);
}

/* Stats / Artifacts Grid */
.artifact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.artifact {
  text-align: center;
  padding: var(--spacing-md) 0;
  border-top: 1px solid rgba(244, 241, 234, 0.1);
  border-bottom: 1px solid rgba(244, 241, 234, 0.1);
}

.artifact-value {
  font-family: var(--font-heading);
  font-size: 4rem;
  display: block;
  margin-bottom: 0.5rem;
}

.artifact-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

/* List Items / Traits */
.exhibit-list {
  list-style: none;
  margin: var(--spacing-md) 0;
}

.exhibit-list li {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  font-weight: 300;
  font-size: 1.1rem;
}

.exhibit-list li::before {
  content: '—';
  margin-right: 1rem;
  color: var(--color-text-muted);
}

/* Timeline / Journey */
.journey-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  border-left: 1px solid rgba(244, 241, 234, 0.2);
  padding-left: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.journey-milestone {
  position: relative;
}

.journey-milestone::before {
  content: '';
  position: absolute;
  left: calc(var(--spacing-md) * -1 - 5px);
  top: 10px;
  width: 10px;
  height: 10px;
  background: var(--color-bg);
  border: 1px solid var(--color-text);
  border-radius: 50%;
}

.milestone-meta {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.milestone-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* Scroll Animations */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all var(--transition-slow);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
.museum-footer {
  padding: var(--spacing-xl) 5vw;
  background: var(--color-bg-alt);
  border-top: 1px solid rgba(244, 241, 234, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-col h4 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-muted);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.8rem;
}

.footer-col ul li a {
  opacity: 0.7;
  transition: opacity 0.3s;
}

.footer-col ul li a:hover {
  opacity: 1;
}

.copyright {
  width: 100%;
  text-align: center;
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Contact Form Styles */
.form-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(244, 241, 234, 0.1);
  padding: var(--spacing-md);
}

.form-row {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
    gap: 0;
  }
}

.form-field {
  flex: 1;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
}

.form-field label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  color: var(--color-text-muted);
}

.form-input {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(244, 241, 234, 0.3);
  color: var(--color-text);
  padding: 0.8rem 0;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.3s;
}

.form-input:focus {
  outline: none;
  border-bottom-color: var(--color-text);
}

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

.inquiry-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  margin-top: 0.5rem;
}

.inquiry-btn {
  background: transparent;
  border: 1px solid rgba(244, 241, 234, 0.3);
  color: var(--color-text-muted);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s;
  font-family: var(--font-body);
}

.inquiry-btn.active, .inquiry-btn:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

.btn-submit {
  background: var(--color-text);
  color: var(--color-bg);
  border: none;
  padding: 1rem 2rem;
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.3s;
  width: 100%;
  margin-top: 1rem;
}

.btn-submit:hover {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-text);
}

.form-success-message {
  display: none;
  text-align: center;
  padding: var(--spacing-xl) 0;
}