/**
 * Landing Page Styles
 * Uses CSS custom properties for theming - values loaded from database
 */

/* Landing page theme variables - populated by JavaScript from /api/settings/theme */
:root {
  /* Defaults will be overwritten by JS */
  --landing-bg: #FFFDF9;
  --landing-surface: #FFFFFF;
  --landing-text: #2D2926;
  --landing-text-muted: #6B6560;
  --landing-accent: #8B7355;
  --landing-accent-hover: #6D5A45;
  --landing-border: #E8E4DF;
  --landing-font-display: 'Playfair Display', Georgia, serif;
  --landing-font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transition duration for theme changes */
  --theme-transition: 0.6s ease;
}

/* Landing page base styles */
.landing-page {
  min-height: 100vh;
  background-color: var(--landing-bg);
  transition: background-color var(--theme-transition);
}

.landing-page body {
  font-family: var(--landing-font-body);
  color: var(--landing-text);
}

/* Landing header */
.landing-header {
  background: transparent;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 2rem;
  transition: background-color var(--theme-transition);
}

.landing-header.scrolled {
  background: var(--landing-surface);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.landing-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
}

.landing-logo {
  font-family: var(--landing-font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--landing-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.landing-tagline {
  font-family: var(--landing-font-body);
  font-size: 0.875rem;
  color: var(--landing-text-muted);
  margin-left: 1rem;
  padding-left: 1rem;
  border-left: 1px solid var(--landing-border);
}

.landing-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.landing-nav a {
  color: var(--landing-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color 0.2s;
}

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

/* Featured album hero section */
.featured-album {
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
  background-color: var(--landing-bg);
  transition: background-color var(--theme-transition);
}

.featured-album .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1400px;
  margin: 0 auto;
  align-items: center;
}

.featured-image {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.featured-image:hover {
  transform: scale(1.02);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-image .photo-count {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  backdrop-filter: blur(4px);
}

.featured-content {
  padding: 2rem 0;
}

.featured-content .album-tagline {
  font-family: var(--landing-font-body);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--landing-accent);
  margin-bottom: 1rem;
}

.featured-content h1 {
  font-family: var(--landing-font-display);
  font-size: 3.5rem;
  font-weight: 600;
  line-height: 1.1;
  margin: 0 0 1.5rem;
  color: var(--landing-text);
  letter-spacing: -0.02em;
}

.featured-content .album-description {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--landing-text-muted);
  margin-bottom: 2rem;
  max-width: 480px;
}

.featured-content .album-date {
  font-size: 0.9375rem;
  color: var(--landing-text-muted);
  margin-bottom: 2rem;
}

.btn-view-album {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: var(--landing-accent);
  color: white;
  font-family: var(--landing-font-body);
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s, transform 0.2s;
}

.btn-view-album:hover {
  background: var(--landing-accent-hover);
  transform: translateY(-2px);
}

.btn-view-album svg {
  width: 20px;
  height: 20px;
}

/* Album grid section */
.album-grid-section {
  padding: 4rem 2rem;
  background: var(--landing-surface);
}

.album-grid-section .container {
  max-width: 1400px;
  margin: 0 auto;
}

.album-grid-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.album-grid-header h2 {
  font-family: var(--landing-font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--landing-text);
  margin: 0;
}

.album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.album-card {
  position: relative;
  background: var(--landing-surface);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--landing-border);
}

.album-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.album-card-image {
  aspect-ratio: 3/2;
  overflow: hidden;
  background: var(--landing-border);
}

.album-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.album-card:hover .album-card-image img {
  transform: scale(1.08);
}

.album-card-body {
  padding: 1.25rem;
}

.album-card-title {
  font-family: var(--landing-font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--landing-text);
  margin: 0 0 0.5rem;
}

.album-card-meta {
  font-size: 0.875rem;
  color: var(--landing-text-muted);
}

.album-card .photo-count-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  padding: 0.375rem 0.75rem;
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 500;
  backdrop-filter: blur(4px);
}

/* Featured transition animation */
.album-card.transitioning {
  animation: cardToFeatured 0.6s ease forwards;
}

@keyframes cardToFeatured {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
  100% {
    transform: scale(0.95);
    opacity: 0;
  }
}

/* Empty state */
.landing-empty-state {
  text-align: center;
  padding: 6rem 2rem;
}

.landing-empty-state h2 {
  font-family: var(--landing-font-display);
  font-size: 2rem;
  color: var(--landing-text);
  margin-bottom: 1rem;
}

.landing-empty-state p {
  color: var(--landing-text-muted);
  font-size: 1.125rem;
}

/* Landing footer */
.landing-footer {
  background: var(--landing-surface);
  border-top: 1px solid var(--landing-border);
  padding: 3rem 2rem;
  text-align: center;
}

.landing-footer p {
  color: var(--landing-text-muted);
  font-size: 0.875rem;
  margin: 0;
}

/* Loading state */
.landing-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  gap: 1rem;
}

.landing-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--landing-border);
  border-top-color: var(--landing-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 1024px) {
  .featured-album .container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .featured-content h1 {
    font-size: 2.5rem;
  }

  .featured-image {
    max-width: 600px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .landing-header {
    padding: 1rem;
  }

  .landing-tagline {
    display: none;
  }

  .featured-album {
    padding: 6rem 1rem 2rem;
    min-height: auto;
  }

  .featured-content h1 {
    font-size: 2rem;
  }

  .featured-content .album-description {
    font-size: 1rem;
  }

  .album-grid-section {
    padding: 2rem 1rem;
  }

  .album-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .landing-nav {
    gap: 1rem;
  }

  .landing-logo {
    font-size: 1.25rem;
  }

  .featured-content h1 {
    font-size: 1.75rem;
  }

  .album-grid {
    grid-template-columns: 1fr;
  }
}