/* ============================================
   THE AÑONUEVOS — WEDDING GALLERY
   Design System & Styles
   ============================================ */

/* ----- CSS Variables / Design Tokens ----- */
:root {
  /* Color Palette — Soft pastel wedding tones */
  --gold: #f4a7bb;
  --gold-light: #fcd5e0;
  --gold-dark: #e8819a;
  --blush: #fef3c7;
  --blush-light: #fffde7;
  --burgundy: #89c4e1;
  --burgundy-deep: #5ba4c9;
  --cream: #fef9fb;
  --cream-dark: #fdeef3;
  --charcoal: #3a3a4a;
  --charcoal-light: #6b6b7b;
  --white: #ffffff;
  --white-alpha-10: rgba(255,255,255,0.1);
  --white-alpha-20: rgba(255,255,255,0.2);
  --white-alpha-60: rgba(255,255,255,0.6);
  --white-alpha-80: rgba(255,255,255,0.8);
  --black-alpha-30: rgba(0,0,0,0.3);
  --black-alpha-50: rgba(0,0,0,0.5);
  --black-alpha-70: rgba(0,0,0,0.7);
  --black-alpha-90: rgba(0,0,0,0.9);

  /* Additional pastel accents */
  --pastel-yellow: #fef3c7;
  --pastel-blue: #bae6fd;
  --pastel-pink: #fce7f3;
  --pastel-lavender: #e8d5f5;

  /* Typography */
  --font-script: 'Great Vibes', cursive;
  --font-heading: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Lato', 'Helvetica Neue', sans-serif;

  /* Spacing */
  --section-padding: 100px 5%;
  --container-max: 1400px;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s ease;
  --transition-base: 0.4s var(--ease-out-expo);
  --transition-slow: 0.8s var(--ease-out-expo);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --shadow-pink: 0 4px 24px rgba(244,167,187,0.25);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--charcoal);
  background-color: var(--cream);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

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

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--burgundy), var(--burgundy-deep));
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(91,164,201,0.35);
}

.btn-outline {
  border: 2px solid var(--gold);
  color: var(--gold-dark);
  background: transparent;
}
.btn-outline:hover {
  background: var(--gold);
  color: var(--white);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--white);
  box-shadow: var(--shadow-pink);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(244,167,187,0.4);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1rem;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #5ba4c9 0%, #89c4e1 25%, #f4a7bb 55%, #fcd5e0 80%, #fef3c7 100%);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(254,243,199,0.2) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(252,213,224,0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(0,0,0,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-particles .particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--gold-light);
  border-radius: 50%;
  opacity: 0;
  animation: floatParticle 6s infinite ease-in-out;
}

@keyframes floatParticle {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  20% { opacity: 0.8; }
  80% { opacity: 0.4; }
  100% { opacity: 0; transform: translateY(-20vh) scale(1); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 20px;
  max-width: 800px;
}

.hero-pretext {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--charcoal);
  margin-bottom: 16px;
  text-shadow: 0 1px 2px rgba(255,255,255,0.6);
}

.hero-title {
  font-family: var(--font-script);
  font-size: clamp(3.5rem, 10vw, 6.5rem);
  font-weight: 400;
  color: var(--charcoal);
  line-height: 1.1;
  margin-bottom: 20px;
  text-shadow: 0 2px 10px rgba(255,255,255,0.4);
}

.hero-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
}

.divider-line {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-dark), transparent);
}

.divider-icon {
  color: var(--gold-dark);
  font-size: 1.2rem;
  animation: heartbeat 2s infinite ease-in-out;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  15% { transform: scale(1.2); }
  30% { transform: scale(1); }
  45% { transform: scale(1.15); }
  60% { transform: scale(1); }
}

.hero-date {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--charcoal);
  font-weight: 600;
  font-style: italic;
  margin-bottom: 12px;
  text-shadow: 0 1px 2px rgba(255,255,255,0.6);
}

.hero-subtitle {
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--charcoal-light);
  margin-bottom: 40px;
  text-shadow: 0 1px 2px rgba(255,255,255,0.6);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 40px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border-radius: 50px;
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-pink);
}
.hero-cta:hover {
  background: linear-gradient(135deg, var(--gold-dark), #e8708c);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232, 129, 154, 0.4);
}
.hero-cta svg {
  animation: bounceDown 2s infinite;
}

@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* Scroll Indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.scroll-mouse {
  width: 26px;
  height: 40px;
  border: 2px solid var(--white-alpha-20);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.scroll-dot {
  width: 4px;
  height: 8px;
  background: var(--gold);
  border-radius: 4px;
  animation: scrollDot 1.5s infinite;
}

@keyframes scrollDot {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(14px); }
}

/* Fade-up animations */
.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s var(--ease-out-expo) forwards;
}
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }
.delay-5 { animation-delay: 0.75s; }

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

/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery-section {
  padding: var(--section-padding);
  max-width: var(--container-max);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-pretext {
  font-family: var(--font-script);
  font-size: 1.8rem;
  color: var(--gold);
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--charcoal-light);
  font-weight: 300;
}

/* Gallery Controls */
.gallery-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 16px;
}

.gallery-stats {
  font-size: 0.95rem;
  color: var(--charcoal-light);
  font-weight: 300;
}
.gallery-stats span {
  font-weight: 600;
  color: var(--charcoal);
}

.gallery-actions {
  display: flex;
  gap: 12px;
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

/* Gallery Card */
.gallery-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  aspect-ratio: 4 / 3;
}
.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.gallery-card:hover img {
  transform: scale(1.05);
}

/* Card overlay on hover */
.gallery-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--black-alpha-70) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
}
.gallery-card:hover .gallery-card-overlay {
  opacity: 1;
}

.gallery-card-name {
  font-size: 0.75rem;
  color: var(--white-alpha-80);
  margin-bottom: 4px;
  font-weight: 300;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gallery-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gallery-card-size {
  font-size: 0.8rem;
  color: var(--gold-light);
  font-weight: 600;
}

.gallery-card-download {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--white-alpha-20);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}
.gallery-card-download:hover {
  background: var(--gold);
  color: var(--white);
  transform: scale(1.1);
}

/* Loading & Empty States */
.gallery-loading {
  text-align: center;
  padding: 60px 20px;
  color: var(--charcoal-light);
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--cream-dark);
  border-top-color: var(--gold);
  border-radius: 50%;
  margin: 0 auto 16px;
  animation: spin 0.8s linear infinite;
}

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

.gallery-empty {
  text-align: center;
  padding: 80px 20px;
  color: var(--charcoal-light);
}
.gallery-empty svg {
  margin-bottom: 16px;
  opacity: 0.3;
}

/* Scroll Reveal */
.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.6s var(--ease-out-expo);
}
.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   DOWNLOAD SECTION
   ============================================ */
.download-section {
  padding: 60px 5% 100px;
  display: flex;
  justify-content: center;
}

.download-card {
  text-align: center;
  padding: 60px 50px;
  background: linear-gradient(135deg, #5ba4c9, #89c4e1 40%, #f4a7bb 100%);
  border-radius: 24px;
  max-width: 600px;
  width: 100%;
  color: var(--white);
  box-shadow: 0 16px 60px rgba(137,196,225,0.3);
  position: relative;
  overflow: hidden;
}
.download-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(254,243,199,0.12) 0%, transparent 60%);
  pointer-events: none;
}

.download-icon {
  margin-bottom: 20px;
  color: var(--gold-light);
}

.download-card h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.download-card p {
  color: var(--white-alpha-80);
  margin-bottom: 24px;
  font-weight: 300;
}
.download-card p span {
  font-weight: 600;
  color: var(--gold-light);
}

.download-hint {
  font-size: 0.8rem !important;
  color: var(--white-alpha-60) !important;
  margin-top: 12px !important;
  margin-bottom: 0 !important;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 50px 5%;
  text-align: center;
  background: var(--charcoal);
  color: var(--white-alpha-60);
}

.footer-script {
  font-family: var(--font-script);
  font-size: 2.2rem;
  color: var(--gold);
  margin-bottom: 8px;
}

.footer-text {
  font-size: 0.9rem;
  font-weight: 300;
  margin-bottom: 16px;
}

.footer-hearts {
  color: var(--gold-dark);
  font-size: 0.8rem;
  letter-spacing: 8px;
}

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--black-alpha-90);
  backdrop-filter: blur(12px);
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.lightbox.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.lightbox.visible {
  opacity: 1;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--white-alpha-10);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.lightbox-close:hover {
  background: var(--white-alpha-20);
  transform: rotate(90deg);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--white-alpha-10);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.lightbox-nav:hover {
  background: var(--white-alpha-20);
}
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 80px 20px;
  width: 100%;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
  transition: opacity 0.3s ease;
}

.lightbox-info {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px 24px;
  color: var(--white-alpha-60);
  font-size: 0.85rem;
}

.lightbox-counter {
  color: var(--gold);
  font-weight: 600;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--charcoal);
  color: var(--white);
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  transition: transform 0.4s var(--ease-out-expo);
  pointer-events: none;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .hero-title {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 8px;
  }

  .gallery-card {
    border-radius: 8px;
  }

  .gallery-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .gallery-actions {
    justify-content: center;
  }

  .lightbox-content {
    padding: 60px 16px 16px;
  }

  .lightbox-nav {
    width: 44px;
    height: 44px;
  }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }

  .download-card {
    padding: 40px 24px;
    border-radius: 16px;
  }

  .section-pretext {
    font-size: 1.4rem;
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }

  .gallery-card-overlay {
    opacity: 1;
    background: linear-gradient(to top, var(--black-alpha-50) 0%, transparent 50%);
  }

  .btn span {
    display: none;
  }
  .btn svg {
    margin: 0;
  }
  .btn-lg span {
    display: inline;
  }

  .hero-pretext {
    font-size: 0.8rem;
    letter-spacing: 3px;
  }
}

/* ============================================
   DAY TOGGLE & SECTION HEADERS
   ============================================ */
.day-toggle {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.day-toggle-btn {
  padding: 10px 28px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  border: 2px solid var(--gold);
  color: var(--gold-dark);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-base);
}
.day-toggle-btn:hover {
  background: var(--gold-light);
  color: var(--gold-dark);
}
.day-toggle-btn.active {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--white);
  border-color: transparent;
  box-shadow: var(--shadow-pink);
}

.day-section {
  margin-bottom: 60px;
}

.day-section-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--cream-dark);
}

.day-section-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--charcoal);
}

.day-section-count {
  font-size: 0.85rem;
  color: var(--charcoal-light);
  font-weight: 300;
  padding: 4px 14px;
  background: var(--cream-dark);
  border-radius: 50px;
}

.day-section-date {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--gold-dark);
}