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

:root {
  --color-primary: #b8860b;
  --color-primary-light: #d4a84b;
  --color-primary-dark: #8b6914;
  --color-background: #faf8f5;
  --color-surface: #ffffff;
  --color-text: #2d2d2d;
  --color-text-muted: #6b6b6b;
  --color-accent: #c9a961;
  --color-heart: #e74c3c;

  --font-serif: "Cormorant Garamond", Georgia, serif;
  --font-sans: "Montserrat", -apple-system, BlinkMacSystemFont, sans-serif;

  --transition: all 0.3s ease;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
}

html {
  scroll-behavior: smooth;
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.3;
}

/* Music Toggle */
.music-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.music-toggle:hover {
  background: var(--color-primary);
  color: var(--color-surface);
}

.music-toggle.playing {
  animation: pulse 1.5s infinite;
}

.music-icon {
  width: 24px;
  height: 24px;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

/* Opening Screen */
.opening-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: linear-gradient(135deg, var(--color-background) 0%, #f5f0e8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.opening-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.opening-content {
  text-align: center;
  padding: 2rem;
  animation: fadeInUp 1s ease;
}

.opening-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto 3rem;
  line-height: 1.8;
}

.opening-names {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-primary);
}

.opening-names .ampersand {
  font-style: italic;
  color: var(--color-accent);
}

.open-invitation-btn {
  padding: 1rem 3rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: var(--color-primary);
  color: var(--color-surface);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
}

.open-invitation-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Main Content */
.main-content {
  opacity: 0;
  transition: opacity 0.8s ease;
}

.main-content.visible {
  opacity: 1;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f8f4ef 0%, #efe8dc 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 300px;
  background: url("/placeholder.svg?height=300&width=1920") center / cover;
  opacity: 0.15;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem;
}

.hero-invitation {
  font-size: 1rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.hero-names {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-names .bride-name,
.hero-names .groom-name {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 500;
  color: var(--color-primary);
}

.hero-names .ampersand {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-style: italic;
  color: var(--color-accent);
}

.hero-date {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.date-box {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.date-day {
  font-family: var(--font-serif);
  font-size: 4rem;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1;
}

.date-weekday,
.date-time,
.date-month {
  font-size: 0.9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.date-divider {
  width: 1px;
  height: 60px;
  background: var(--color-primary);
  opacity: 0.3;
}

.hero-address {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 400px;
  margin: 0 auto;
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--color-text-muted);
  animation: bounce 2s infinite;
}

.scroll-indicator span {
  font-size: 0.8rem;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}

.scroll-indicator svg {
  width: 24px;
  height: 24px;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(10px);
  }
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* Couple Section */
.couple-section {
  padding: 5rem 2rem;
  background: var(--color-surface);
}

.couple-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  max-width: 1000px;
  margin: 0 auto 4rem;
  flex-wrap: wrap;
}

.couple-card {
  text-align: center;
  flex: 1;
  min-width: 250px;
}

.couple-image {
  width: 200px;
  height: 200px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--color-primary);
  box-shadow: var(--shadow);
}

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

.couple-card h3 {
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.couple-parents {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.couple-heart {
  color: var(--color-heart);
  animation: heartbeat 1.5s infinite;
}

.couple-heart svg {
  width: 40px;
  height: 40px;
}

@keyframes heartbeat {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

.poem-section {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.poem-section p {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--color-text-muted);
  line-height: 2;
  margin-bottom: 2rem;
  white-space: pre-line;
}

/* Countdown Section */
.countdown-section {
  padding: 5rem 2rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-surface);
}

.countdown-header {
  text-align: center;
  margin-bottom: 3rem;
}

.countdown-header h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--color-surface);
}

.countdown-timer {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
}

.countdown-number {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 600;
  line-height: 1;
}

.countdown-label {
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.9;
}

/* Calendar Section */
.calendar-section {
  padding: 5rem 2rem;
  background: var(--color-background);
}

.calendar-container {
  max-width: 400px;
  margin: 0 auto;
  background: var(--color-surface);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--shadow);
}

.calendar-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.calendar-month {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-primary);
}

.calendar-year {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-left: 0.5rem;
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.calendar-weekdays span {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  border-radius: 50%;
  transition: var(--transition);
}

.calendar-day.empty {
  visibility: hidden;
}

.calendar-day.wedding-day {
  background: var(--color-primary);
  color: var(--color-surface);
  font-weight: 600;
  position: relative;
}

.calendar-day.wedding-day::after {
  content: "♥";
  position: absolute;
  top: -8px;
  right: -5px;
  font-size: 0.7rem;
  color: var(--color-heart);
}

.calendar-info {
  text-align: center;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.lunar-date {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.venue-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-primary);
}

/* Gallery Section */
.gallery-section {
  padding: 5rem 2rem;
  background: var(--color-surface);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.gallery-item {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 12px;
  cursor: pointer;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: var(--transition);
}

.gallery-item:hover::after {
  background: rgba(0, 0, 0, 0.2);
}

/* Notes Section */
.notes-section {
  padding: 5rem 2rem;
  background: var(--color-background);
}

.notes-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.notes-content h2 {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 2rem;
}

.notes-content ul {
  list-style: none;
  text-align: left;
}

.notes-content li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.notes-content li::before {
  content: "♥";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* RSVP Section */
.rsvp-section {
  padding: 5rem 2rem;
  background: var(--color-surface);
}

.rsvp-content {
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
}

.rsvp-content h2 {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-group input[type="text"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  background: var(--color-background);
  transition: var(--transition);
}

.form-group input[type="text"]:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  padding: 1rem;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  transition: var(--transition);
}

.radio-label:hover {
  border-color: var(--color-primary);
}

.radio-label input[type="radio"] {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
}

.submit-btn {
  width: 100%;
  padding: 1rem 2rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: var(--color-primary);
  color: var(--color-surface);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
}

.submit-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* Gift Section */
.gift-section {
  padding: 5rem 2rem;
  background: linear-gradient(135deg, #f8f4ef 0%, #efe8dc 100%);
}

.gift-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.gift-content h2 {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.gift-content > p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.qr-cards {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.qr-card {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.qr-card img {
  width: 180px;
  height: 180px;
  margin-bottom: 1rem;
  border-radius: 10px;
}

.qr-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.qr-card p:first-of-type {
  font-weight: 600;
  color: var(--color-text);
}

/* Footer */
.footer {
  padding: 4rem 2rem;
  background: var(--color-primary);
  color: var(--color-surface);
  text-align: center;
}

.footer-names {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: 1rem;
}

.footer-names .ampersand {
  font-style: italic;
  opacity: 0.8;
}

.footer-thanks {
  opacity: 0.9;
  margin-bottom: 0.5rem;
}

.footer-date {
  opacity: 0.7;
  font-size: 0.9rem;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 10px;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox-close {
  top: 20px;
  right: 20px;
}

.lightbox-prev {
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-text);
  color: var(--color-surface);
  padding: 1rem 2rem;
  border-radius: 50px;
  font-size: 0.9rem;
  opacity: 0;
  transition: var(--transition);
  z-index: 1000;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.8s ease forwards;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-names {
    flex-direction: column;
    gap: 0.5rem;
  }

  .hero-date {
    flex-direction: column;
    gap: 1rem;
  }

  .date-divider {
    width: 60px;
    height: 1px;
  }

  .couple-content {
    flex-direction: column;
  }

  .couple-heart {
    order: -1;
    margin-bottom: 1rem;
  }

  .countdown-timer {
    gap: 1rem;
  }

  .qr-cards {
    flex-direction: column;
    align-items: center;
  }

  .opening-names {
    flex-direction: column;
    gap: 0.5rem;
    font-size: 2rem;
  }
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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