/* Gallery Styles — Atacama Dark Sky Tour Galleries
   Reuses variables from main site styles.css */

/* ============================================
   CSS Variables (mirrors main site)
   ============================================ */
:root {
  --primary-color: #00D4FF;
  --secondary-color: #7B68EE;
  --accent-color: #FF6B6B;
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --text-primary: #ffffff;
  --text-secondary: #b8b8b8;
  --text-muted: #888888;
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --glow-primary: 0 0 20px rgba(0, 212, 255, 0.4);
  --glow-secondary: 0 0 30px rgba(123, 104, 238, 0.4);
}

/* ============================================
   Base / Reset
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: #33DDFF;
}

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

/* ============================================
   Navigation
   ============================================ */
.gallery-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.75rem 0;
}

.gallery-nav .nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gallery-nav .nav-logo img {
  height: 36px;
  width: auto;
}

.gallery-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.gallery-nav .nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.3s;
}

.gallery-nav .nav-links a:hover {
  color: var(--primary-color);
}

/* ============================================
   Hero Section
   ============================================ */
.gallery-hero {
  padding: 8rem 1.5rem 3rem;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  position: relative;
  overflow: hidden;
}

.gallery-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.gallery-hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.gallery-hero .hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 1.5rem;
}

.badge-bortle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(0, 212, 255, 0.12);
  border: 1px solid rgba(0, 212, 255, 0.3);
  color: var(--primary-color);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: 50px;
  margin-bottom: 1rem;
}

.badge-conditions {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(123, 104, 238, 0.1);
  border: 1px solid rgba(123, 104, 238, 0.25);
  color: var(--secondary-color);
  font-size: 0.8rem;
  padding: 0.3rem 0.85rem;
  border-radius: 50px;
  margin-left: 0.5rem;
}

.hero-date {
  font-size: 1rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* ============================================
   Section Common
   ============================================ */
.gallery-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.gallery-section h2 {
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.section-divider {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
  margin: 0 auto;
  max-width: 1200px;
}

/* ============================================
   Observation Log (Object Cards)
   ============================================ */
.observation-log {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.25rem;
}

.object-card {
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  transition: border-color 0.3s, transform 0.3s;
}

.object-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-2px);
}

.object-card .card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.object-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

.object-card .catalog-id {
  font-size: 0.8rem;
  color: var(--primary-color);
  background: rgba(0, 212, 255, 0.1);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
}

.object-card .object-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.object-card .object-meta span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.object-card .object-meta .icon {
  font-size: 0.75rem;
  opacity: 0.6;
}

.object-card .description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================
   Photo Gallery Grid
   ============================================ */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.photo-item {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--border-radius);
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-secondary);
}

.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.photo-item:hover img {
  transform: scale(1.05);
}

.photo-item .photo-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}

.photo-item:hover .photo-overlay {
  opacity: 1;
}

.photo-overlay .expand-icon {
  width: 40px;
  height: 40px;
  border: 2px solid white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
}

/* ============================================
   Lightbox
   ============================================ */
.gallery-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.95);
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.gallery-lightbox.active {
  display: flex;
}

.gallery-lightbox img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 4px;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 2rem;
  color: white;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem;
  line-height: 1;
  z-index: 10001;
  opacity: 0.7;
  transition: opacity 0.3s;
}

.lightbox-close:hover {
  opacity: 1;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.5rem;
  color: white;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius);
  opacity: 0.6;
  transition: opacity 0.3s, background 0.3s;
  z-index: 10001;
}

.lightbox-nav:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.15);
}

.lightbox-prev {
  left: 1rem;
}

.lightbox-next {
  right: 1rem;
}

.lightbox-counter {
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.lightbox-download {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 0.85rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: background 0.3s;
}

.lightbox-download:hover {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

/* ============================================
   Guests Section
   ============================================ */
.guests-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.guest-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 50px;
  padding: 0.5rem 1.25rem;
  font-size: 0.95rem;
}

.guest-chip .flag {
  font-size: 1.2rem;
}

.guest-chip .guest-name {
  color: var(--text-primary);
}

.guest-chip .guest-country {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ============================================
   Social Sharing
   ============================================ */
.sharing-section {
  text-align: center;
  padding: 2.5rem 1.5rem;
}

.sharing-section p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}

.sharing-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s;
  text-decoration: none;
}

.share-btn:hover {
  transform: translateY(-1px);
}

.share-btn.whatsapp {
  background: rgba(37, 211, 102, 0.12);
  color: #25D366;
  border-color: rgba(37, 211, 102, 0.25);
}

.share-btn.whatsapp:hover {
  background: rgba(37, 211, 102, 0.2);
}

.share-btn.facebook {
  background: rgba(66, 103, 178, 0.12);
  color: #4267B2;
  border-color: rgba(66, 103, 178, 0.25);
}

.share-btn.facebook:hover {
  background: rgba(66, 103, 178, 0.2);
}

.share-btn.copy-link {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  border-color: rgba(255, 255, 255, 0.1);
}

.share-btn.copy-link:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

.share-btn .share-icon {
  font-size: 1.1rem;
}

.copy-feedback {
  display: none;
  color: var(--primary-color);
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

/* ============================================
   Booking CTA
   ============================================ */
.booking-cta {
  text-align: center;
  padding: 3rem 1.5rem;
  background: linear-gradient(180deg, transparent, rgba(0, 212, 255, 0.03), transparent);
}

.booking-cta h2 {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
}

.booking-cta p {
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 1.5rem;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.85rem 2rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: transform 0.3s, box-shadow 0.3s;
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-primary);
  color: white;
}

/* ============================================
   Astro Footer (conditions strip)
   ============================================ */
.astro-footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 2rem 1.5rem;
}

.astro-footer .container {
  max-width: 1200px;
  margin: 0 auto;
}

.astro-stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.astro-stat {
  text-align: center;
  min-width: 120px;
}

.astro-stat .stat-emoji {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.astro-stat .stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.astro-stat .stat-value {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.gallery-pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.85rem;
}

.gallery-pagination a {
  color: var(--text-muted);
  transition: color 0.3s;
}

.gallery-pagination a:hover {
  color: var(--primary-color);
}

/* ============================================
   Footer
   ============================================ */
.gallery-footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.gallery-footer a {
  color: var(--text-muted);
}

.gallery-footer a:hover {
  color: var(--primary-color);
}

/* ============================================
   Highlights Section
   ============================================ */
.highlights-section {
  background: rgba(123, 104, 238, 0.05);
  border: 1px solid rgba(123, 104, 238, 0.12);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  margin-bottom: 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.highlights-section strong {
  color: var(--secondary-color);
}

/* ============================================
   Guest Testimonials
   ============================================ */
.testimonial-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.testimonial-card {
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
}

.testimonial-quote {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  border-left: 3px solid var(--primary-color);
  padding-left: 1rem;
  margin: 0 0 1rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.testimonial-name {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.testimonial-country {
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ============================================
   Testimonial Modal (post-download)
   ============================================ */
.testimonial-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.85);
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.testimonial-modal.active {
  display: flex;
}

.testimonial-modal-content {
  background: linear-gradient(160deg, var(--bg-secondary), var(--bg-tertiary));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  max-width: 480px;
  width: 90%;
  position: relative;
}

.testimonial-modal-close {
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  background: none;
  border: none;
  line-height: 1;
  transition: color 0.3s;
}

.testimonial-modal-close:hover {
  color: var(--text-primary);
}

.testimonial-modal h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.testimonial-modal p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.testimonial-form-group {
  margin-bottom: 1rem;
}

.testimonial-form-group label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.testimonial-form-group input,
.testimonial-form-group textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 0.3s;
}

.testimonial-form-group input:focus,
.testimonial-form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.testimonial-form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.testimonial-submit {
  width: 100%;
  padding: 0.7rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
}

.testimonial-submit:hover {
  transform: translateY(-1px);
  box-shadow: var(--glow-primary);
}

.testimonial-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.testimonial-thanks {
  text-align: center;
  padding: 1rem 0;
}

.testimonial-thanks h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .photo-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .observation-log {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  .gallery-hero {
    padding: 6rem 1rem 2rem;
  }

  .gallery-hero h1 {
    font-size: 1.75rem;
  }

  .gallery-hero .hero-subtitle {
    font-size: 1rem;
  }

  .gallery-section {
    padding: 2rem 1rem;
  }

  .gallery-section h2 {
    font-size: 1.35rem;
  }

  .photo-grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .photo-item {
    aspect-ratio: 16/10;
  }

  .observation-log {
    grid-template-columns: 1fr;
  }

  .testimonial-list {
    grid-template-columns: 1fr;
  }

  .lightbox-nav {
    padding: 0.75rem 1rem;
    font-size: 1.8rem;
  }

  .lightbox-prev {
    left: 0.5rem;
  }

  .lightbox-next {
    right: 0.5rem;
  }

  .astro-stats {
    gap: 1.25rem;
  }

  .gallery-pagination {
    flex-direction: column;
    gap: 0.75rem;
  }

  .badge-conditions {
    display: block;
    margin-left: 0;
    margin-top: 0.5rem;
  }

  .gallery-nav .nav-links {
    gap: 1rem;
  }

  .gallery-nav .nav-links a {
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .gallery-hero h1 {
    font-size: 1.5rem;
  }

  .guests-list {
    gap: 0.5rem;
  }

  .guest-chip {
    padding: 0.4rem 0.9rem;
    font-size: 0.85rem;
  }

  .sharing-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .share-btn {
    justify-content: center;
  }
}

/* ============================================
   Lazy loading placeholder
   ============================================ */
.photo-item img[data-src] {
  background: var(--bg-secondary);
  min-height: 200px;
}

/* ============================================
   Print styles
   ============================================ */
@media print {
  .gallery-nav,
  .sharing-section,
  .booking-cta,
  .gallery-lightbox,
  .photo-overlay {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

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