/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Great+Vibes&family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Montserrat:wght@300;400;500;600;700&family=Pattaya&display=swap');

/* CSS Variables */
:root {
  --color-dark-gradient-start: #243629;
  --color-dark-gradient-mid: #1b281f;
  --color-dark-gradient-end: #121a15;
  
  --color-cream: #f3f7f4;
  --color-cream-darker: #e7efe9;
  --color-primary: #2d4a36;
  --color-secondary: #55755e;
  --color-gold: #bfa27a;
  --color-light-gold: #e4d1b9;
  
  --color-text-dark: #1b2b20;
  --color-text-muted: rgba(45, 74, 54, 0.7);
  --color-divider: rgba(85, 117, 94, 0.15);
  
  --font-script: 'Great Vibes', 'Pattaya', cursive;
  --font-title: 'Lora', serif;
  --font-body: 'Montserrat', sans-serif;
  
  --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  --shadow-premium: 0 25px 60px -12px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* Reset and Globals */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  overflow-x: hidden;
  font-family: var(--font-body);
  background-color: var(--color-cream);
  color: var(--color-text-dark);
  scroll-behavior: smooth;
}

body.locked {
  height: 100vh;
  overflow: hidden;
}

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

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

button, input, textarea {
  font-family: inherit;
  outline: none;
  border: none;
}

/* Base Layout Container */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-padding {
  padding: 80px 0;
}

/* Section Header Style */
.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-family: var(--font-title);
  font-size: 2.2rem;
  color: var(--color-primary);
  margin-bottom: 10px;
  position: relative;
  font-weight: 600;
}

.section-header h2::after {
  content: '❦';
  display: block;
  font-size: 1.2rem;
  color: var(--color-secondary);
  opacity: 0.6;
  margin-top: 5px;
}

.section-header p {
  color: var(--color-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ----------------------------------------------------
   1. ENVELOPE SCREEN (Intro Screen)
   ---------------------------------------------------- */
.envelope-overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, var(--color-dark-gradient-start), var(--color-dark-gradient-mid), var(--color-dark-gradient-end));
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s cubic-bezier(0.77, 0, 0.175, 1), visibility 0.8s;
  overflow: hidden;
}

.envelope-overlay.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Falling Leaves Animation */
.leaf-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.leaf {
  position: absolute;
  top: -30px;
  fill: currentColor;
  opacity: 0.75;
  animation: leaf-fall linear infinite;
  transform-origin: center;
}

@keyframes leaf-fall {
  0% {
    transform: translateY(0) rotate(0deg) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.8;
  }
  100% {
    transform: translateY(105vh) rotate(360deg) translateX(var(--sway));
    opacity: 0;
  }
}

/* The Envelope Container */
.envelope {
  position: relative;
  width: 90%;
  max-width: 580px;
  z-index: 10;
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.envelope-card {
  background: var(--color-cream);
  border: 1px solid var(--color-divider);
  border-radius: 16px;
  box-shadow: var(--shadow-premium);
  position: relative;
  overflow: hidden;
  padding: 60px 30px;
  text-align: center;
}

/* Seal Icon Button */
.envelope-seal {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: radial-gradient(circle at 30% 30%, var(--color-primary), var(--color-dark-gradient-end));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(45, 74, 54, 0.4), inset 0 2px 4px rgba(255, 255, 255, 0.3);
  z-index: 20;
  animation: seal-pulse 2s infinite ease-in-out;
}

.envelope-seal svg {
  width: 28px;
  height: 28px;
  fill: var(--color-cream);
}

@keyframes seal-pulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    box-shadow: 0 4px 20px rgba(45, 74, 54, 0.4), inset 0 2px 4px rgba(255, 255, 255, 0.3);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.06);
    box-shadow: 0 4px 30px rgba(45, 74, 54, 0.6), inset 0 2px 4px rgba(255, 255, 255, 0.4);
  }
}

/* Floral corners inside envelope */
.flower-corner-top {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 260px;
  opacity: 0.35;
  pointer-events: none;
}

.flower-corner-bottom {
  position: absolute;
  bottom: -20px;
  left: -20px;
  width: 140px;
  opacity: 0.25;
  transform: rotate(180deg);
  pointer-events: none;
}

/* Envelope Info Content */
.envelope-names {
  font-family: var(--font-script);
  font-size: 3.5rem;
  color: var(--color-primary);
  line-height: 1.1;
  margin-top: 20px;
  margin-bottom: 5px;
}

.envelope-ampersand {
  font-family: var(--font-title);
  font-size: 1.5rem;
  display: block;
  margin: 5px 0;
  color: var(--color-secondary);
}

.envelope-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin: 15px 0;
}

.envelope-divider .line {
  height: 1px;
  width: 60px;
  background: linear-gradient(to right, transparent, var(--color-secondary), transparent);
}

.envelope-divider .dot {
  color: var(--color-secondary);
  font-size: 1rem;
}

.envelope-date {
  font-family: var(--font-title);
  font-size: 1.2rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: 25px;
}

.envelope-invite-label {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 10px;
}

.envelope-guest-box {
  background-color: rgba(74, 40, 22, 0.05);
  border: 1px dashed rgba(74, 40, 22, 0.15);
  display: inline-block;
  padding: 10px 25px;
  border-radius: 12px;
  margin-bottom: 15px;
}

.envelope-guest-name {
  font-family: var(--font-title);
  font-size: 1.25rem;
  color: var(--color-primary);
  font-weight: 600;
}

.envelope-invite-msg {
  font-family: var(--font-title);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 30px;
}

/* Button Stylings */
.btn-premium {
  position: relative;
  background-color: var(--color-primary);
  color: var(--color-cream);
  padding: 12px 40px;
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 600;
  border-radius: 30px;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(45, 74, 54, 0.3);
  transition: var(--transition-smooth);
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-premium:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(45, 74, 54, 0.45);
  background-color: #233a2a;
}

.btn-premium:active {
  transform: translateY(1px);
}

.btn-premium .btn-shine {
  position: absolute;
  top: 0;
  left: -50px;
  height: 100%;
  width: 30px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shine-animation 3s infinite ease-in-out;
  pointer-events: none;
}

@keyframes shine-animation {
  0% {
    left: -100px;
  }
  30%, 100% {
    left: 120%;
  }
}

/* ----------------------------------------------------
   2. MAIN APPLICATION CONTENT
   ---------------------------------------------------- */
.main-invitation {
  opacity: 0;
  transition: opacity 1s ease-in-out;
  padding-bottom: 80px; /* Space for mobile nav */
}

.main-invitation.show {
  opacity: 1;
}

/* ----------------------------------------------------
   3. HERO & BANNER SECTION
   ---------------------------------------------------- */
.hero-section {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/gallery_3.webp');
  background-size: cover;
  background-position: center 30%;
  filter: brightness(0.65) contrast(1.05);
  z-index: 1;
  transform: scale(1.05);
  transition: transform 10s ease-out;
}

.hero-section.active .hero-bg {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(31, 16, 8, 0.3) 0%, rgba(31, 16, 8, 0.7) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  color: var(--color-cream);
  padding: 20px;
  max-width: 700px;
  margin-top: 50px;
}

.hero-subtitle {
  font-size: 0.95rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 20px;
  font-weight: 600;
  opacity: 0.9;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}

.hero-title {
  font-family: var(--font-script);
  font-size: 5.5rem;
  line-height: 1.1;
  margin-bottom: 10px;
  text-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}

.hero-date {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 500;
  margin: 15px 0 30px 0;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
}

.hero-scroll-btn {
  margin-top: 40px;
  animation: bounce 2s infinite;
  display: inline-block;
  cursor: pointer;
}

.hero-scroll-btn svg {
  width: 32px;
  height: 32px;
  fill: var(--color-cream);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.4));
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* Scroll Animation classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

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

/* ----------------------------------------------------
   4. WELCOME & STORY SECTION
   ---------------------------------------------------- */
.welcome-section {
  background-color: var(--color-cream);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.welcome-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, var(--color-secondary), transparent);
}

.welcome-content {
  max-width: 650px;
  margin: 0 auto;
}

.welcome-logo {
  font-family: var(--font-script);
  font-size: 2.2rem;
  color: var(--color-primary);
  margin-bottom: 25px;
}

.welcome-text {
  font-family: var(--font-title);
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 25px;
}

.welcome-signature {
  font-family: var(--font-script);
  font-size: 2.5rem;
  color: var(--color-primary);
}

/* ----------------------------------------------------
   5. COUPLE SECTION (Cô Dâu - Chú Rể)
   ---------------------------------------------------- */
.couple-section {
  background-color: var(--color-cream-darker);
  position: relative;
}

.couple-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: stretch;
}

.couple-card {
  background-color: var(--color-cream);
  border: 1px solid var(--color-divider);
  border-radius: 20px;
  padding: 40px 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.couple-photo-wrapper {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--color-cream);
  box-shadow: 0 8px 25px rgba(74, 40, 22, 0.15);
  margin-bottom: 25px;
  transition: var(--transition-smooth);
}

.couple-card:hover .couple-photo-wrapper {
  transform: scale(1.05);
}

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

.couple-role {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 5px;
}

.couple-name {
  font-family: var(--font-title);
  font-size: 1.75rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 10px;
}

.couple-desc {
  font-size: 0.9rem;
  color: var(--color-secondary);
  font-style: italic;
  margin-bottom: 25px;
}

.couple-divider {
  width: 60px;
  height: 1px;
  background-color: var(--color-divider);
  margin-bottom: 25px;
}

.couple-family {
  text-align: left;
  width: 100%;
}

.family-title {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
  border-bottom: 1px solid var(--color-divider);
  padding-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.parent-line {
  font-size: 0.92rem;
  color: var(--color-text-dark);
  margin-bottom: 6px;
  line-height: 1.5;
}

.parent-line span {
  font-weight: 500;
}

.address-line {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: 10px;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.address-line svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  fill: var(--color-secondary);
  margin-top: 2px;
}

/* ----------------------------------------------------
   6. WEDDING EVENTS SECTION (Thời gian & Địa điểm)
   ---------------------------------------------------- */
.events-section {
  background-color: var(--color-cream);
}

.events-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.event-card {
  background-color: var(--color-cream-darker);
  border: 1px solid var(--color-divider);
  border-radius: 20px;
  padding: 40px 30px;
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
}

.event-icon-box {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: rgba(45, 74, 54, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.event-icon-box svg {
  width: 28px;
  height: 28px;
  fill: var(--color-primary);
}

.event-card h3 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 15px;
  font-weight: 700;
}

.event-detail-list {
  list-style: none;
  width: 100%;
  margin-bottom: 30px;
}

.event-detail-item {
  font-size: 0.95rem;
  color: var(--color-text-dark);
  margin-bottom: 12px;
  line-height: 1.6;
}

.event-detail-item.time-highlight {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.event-detail-item.venue-name {
  font-weight: 600;
  color: var(--color-primary);
}

.event-detail-item.address-detail {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  padding: 0 10px;
}

.event-buttons {
  display: flex;
  gap: 12px;
  width: 100%;
  justify-content: center;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: 10px 20px;
  border-radius: 25px;
  font-family: var(--font-title);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-smooth);
}

.btn-secondary svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-cream);
}

/* ----------------------------------------------------
   7. COUNTDOWN TIMER SECTION
   ---------------------------------------------------- */
.countdown-section {
  background: linear-gradient(135deg, var(--color-dark-gradient-start), var(--color-dark-gradient-mid), var(--color-dark-gradient-end));
  color: var(--color-cream);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.countdown-decor-top {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  opacity: 0.15;
  pointer-events: none;
}

.countdown-decor-bottom {
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 200px;
  opacity: 0.15;
  pointer-events: none;
  transform: rotate(180deg);
}

.countdown-title {
  font-family: var(--font-title);
  font-size: 2rem;
  margin-bottom: 30px;
  font-weight: 500;
  letter-spacing: 1px;
}

.countdown-grid {
  display: flex;
  justify-content: center;
  gap: 20px;
  max-width: 600px;
  margin: 0 auto;
}

.countdown-item {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  width: 100px;
  height: 110px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.countdown-number {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-light-gold);
  line-height: 1.2;
}

.countdown-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
  margin-top: 4px;
}

/* ----------------------------------------------------
   8. TIMELINE SECTION (Lịch trình tiệc cưới)
   ---------------------------------------------------- */
.timeline-section {
  background-color: var(--color-cream-darker);
  position: relative;
}

.timeline-container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline-container::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  background-color: var(--color-divider);
}

.timeline-event {
  position: relative;
  width: 50%;
  padding: 10px 40px;
  box-sizing: border-box;
}

.timeline-event.left {
  left: 0;
  text-align: right;
}

.timeline-event.right {
  left: 50%;
  text-align: left;
}

.timeline-badge {
  position: absolute;
  top: 15px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: 4px solid var(--color-cream-darker);
  box-shadow: 0 0 0 2px var(--color-gold);
  z-index: 10;
}

.timeline-event.left .timeline-badge {
  right: -10px;
}

.timeline-event.right .timeline-badge {
  left: -10px;
}

.timeline-content {
  background-color: var(--color-cream);
  border: 1px solid var(--color-divider);
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
  display: inline-block;
  width: 100%;
  transition: var(--transition-smooth);
}

.timeline-content:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(45, 74, 54, 0.08);
  border-color: rgba(45, 74, 54, 0.15);
}

.timeline-time {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 5px;
}

.timeline-title {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* ----------------------------------------------------
   9. ALBUM GALLERY SECTION
   ---------------------------------------------------- */
.gallery-section {
  background-color: var(--color-cream);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}

.gallery-item {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(45, 74, 54, 0.4);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

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

.gallery-overlay svg {
  width: 32px;
  height: 32px;
  fill: var(--color-cream);
  transform: scale(0.8);
  transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-overlay svg {
  transform: scale(1);
}

/* Gallery layout tweaks (combining wide items) */
.gallery-item.tall {
  grid-row: span 2;
  aspect-ratio: 3 / 8;
}

.gallery-item.wide {
  grid-column: span 2;
  aspect-ratio: 3 / 2;
}

/* ----------------------------------------------------
   10. RSVP SECTION
   ---------------------------------------------------- */
.rsvp-section {
  background-color: var(--color-cream-darker);
  position: relative;
}

.rsvp-container {
  max-width: 680px;
  margin: 0 auto;
  background-color: var(--color-cream);
  border: 1px solid var(--color-divider);
  border-radius: 20px;
  padding: 40px 35px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.03);
}

.rsvp-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
}

.form-control {
  background-color: var(--color-cream-darker);
  border: 1px solid var(--color-divider);
  border-radius: 10px;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--color-text-dark);
  transition: var(--transition-smooth);
}

.form-control:focus {
  border-color: var(--color-primary);
  background-color: var(--color-cream);
  box-shadow: 0 0 0 3px rgba(45, 74, 54, 0.08);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-radio-group {
  display: flex;
  gap: 20px;
  margin-top: 5px;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.92rem;
  color: var(--color-text-dark);
}

.radio-label input[type="radio"] {
  accent-color: var(--color-primary);
  width: 18px;
  height: 18px;
}

/* ----------------------------------------------------
   11. GUESTBOOK / WISHES SECTION
   ---------------------------------------------------- */
.guestbook-section {
  background-color: var(--color-cream);
}

.guestbook-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.wish-form-card {
  background-color: var(--color-cream-darker);
  border: 1px solid var(--color-divider);
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.01);
}

.wishes-list-container {
  max-height: 480px;
  overflow-y: auto;
  padding-right: 10px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

/* Custom Scrollbar for wishes */
.wishes-list-container::-webkit-scrollbar {
  width: 6px;
}

.wishes-list-container::-webkit-scrollbar-track {
  background: var(--color-cream-darker);
  border-radius: 10px;
}

.wishes-list-container::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  opacity: 0.5;
  border-radius: 10px;
}

.wish-item {
  background-color: var(--color-cream-darker);
  border: 1px solid var(--color-divider);
  border-radius: 15px;
  padding: 20px;
  position: relative;
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.wish-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.wish-author {
  font-family: var(--font-title);
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.95rem;
}

.wish-date {
  font-size: 0.78rem;
  color: var(--color-secondary);
  opacity: 0.8;
}

.wish-content {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--color-text-dark);
}

.guestbook-empty {
  text-align: center;
  padding: 40px 0;
  color: var(--color-secondary);
  font-style: italic;
  font-size: 0.95rem;
}

/* ----------------------------------------------------
   12. MONEY BOX / GIFT REGISTRY SECTION
   ---------------------------------------------------- */
.gift-section {
  background-color: var(--color-cream-darker);
  text-align: center;
  position: relative;
}

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

.gift-text {
  font-family: var(--font-title);
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: 35px;
}

.gift-cards {
  display: flex;
  justify-content: center;
  gap: 30px;
}

.gift-card {
  background-color: var(--color-cream);
  border: 1px solid var(--color-divider);
  border-radius: 20px;
  padding: 30px;
  flex: 1;
  max-width: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.02);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.gift-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(45, 74, 54, 0.1);
  border-color: rgba(45, 74, 54, 0.15);
}

.gift-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(45, 74, 54, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
}

.gift-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--color-primary);
}

.gift-card-title {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.gift-card-desc {
  font-size: 0.85rem;
  color: var(--color-secondary);
}

/* ----------------------------------------------------
   13. FOOTER SECTION
   ---------------------------------------------------- */
.footer-section {
  background-color: var(--color-primary);
  color: var(--color-cream);
  text-align: center;
  padding: 60px 0;
  position: relative;
}

.footer-content {
  max-width: 600px;
  margin: 0 auto;
}

.footer-logo {
  font-family: var(--font-script);
  font-size: 3.5rem;
  margin-bottom: 15px;
  color: var(--color-light-gold);
}

.footer-msg {
  font-family: var(--font-title);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 25px;
  opacity: 0.9;
}

.footer-divider {
  width: 80px;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.15);
  margin: 0 auto 25px auto;
}

.footer-copyright {
  font-size: 0.8rem;
  opacity: 0.6;
}

/* ----------------------------------------------------
   14. FLOATING INTERACTION CONTROLS
   ---------------------------------------------------- */
.float-controls {
  position: fixed;
  bottom: 25px;
  right: 25px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 998;
}

.float-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--color-cream);
  border: 1px solid var(--color-divider);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.float-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(45, 74, 54, 0.25);
  border-color: var(--color-primary);
}

.float-btn svg {
  width: 22px;
  height: 22px;
  fill: var(--color-primary);
}

.music-btn.playing svg {
  animation: spin 8s infinite linear;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ----------------------------------------------------
   15. MODAL STYLINGS (Lightbox, Money Modal)
   ---------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 26, 21, 0.8);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s;
  padding: 20px;
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background-color: var(--color-cream);
  border-radius: 24px;
  width: 100%;
  max-width: 480px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  position: relative;
  transform: scale(0.9);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.show .modal-container {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 32px;
  height: 32px;
  background-color: rgba(45, 74, 54, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  background-color: var(--color-primary);
}

.modal-close-btn svg {
  width: 16px;
  height: 16px;
  fill: var(--color-primary);
  transition: var(--transition-smooth);
}

.modal-close-btn:hover svg {
  fill: var(--color-cream);
}

/* Money Modal Content */
.modal-body {
  padding: 35px 30px;
  text-align: center;
}

.modal-title {
  font-family: var(--font-title);
  font-size: 1.35rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 25px;
}

.qr-code-img {
  width: 200px;
  height: 200px;
  margin: 0 auto 20px auto;
  border: 1px solid var(--color-divider);
  padding: 8px;
  border-radius: 12px;
  background-color: white;
}

.bank-info-box {
  background-color: var(--color-cream-darker);
  border: 1px solid var(--color-divider);
  border-radius: 15px;
  padding: 15px;
  text-align: left;
  margin-bottom: 25px;
  position: relative;
}

.bank-row {
  margin-bottom: 6px;
  font-size: 0.9rem;
}

.bank-row:last-child {
  margin-bottom: 0;
}

.bank-row span {
  font-weight: 600;
  color: var(--color-primary);
}

.btn-copy-account {
  position: absolute;
  top: 50%;
  right: 15px;
  transform: translateY(-50%);
  background-color: var(--color-primary);
  color: var(--color-cream);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-copy-account:hover {
  background-color: var(--color-gold);
}

/* Lightbox Modal Content */
.lightbox-overlay {
  background-color: rgba(9, 13, 11, 0.95);
}

.lightbox-container {
  max-width: 900px;
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  transform: scale(0.95);
}

.lightbox-img {
  width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
}

/* Lightbox navigation */
.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  transition: var(--transition-smooth);
  z-index: 10;
}

.lightbox-nav-btn:hover {
  background-color: var(--color-primary);
}

.lightbox-nav-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 25px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10001;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 90%;
  max-width: 400px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background-color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(45, 74, 54, 0.15);
  backdrop-filter: blur(15px);
  border-radius: 12px;
  padding: 12px 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-dark);
  animation: slideInDown 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  transition: opacity 0.3s;
}

@keyframes slideInDown {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.toast.hide {
  opacity: 0;
}

.toast-success-icon {
  width: 20px;
  height: 20px;
  fill: #34c759;
}

/* ----------------------------------------------------
   16. RESPONSIVE MEDIA QUERIES
   ---------------------------------------------------- */
@media (max-width: 991px) {
  .couple-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 550px;
    margin: 0 auto;
  }
  
  .events-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 550px;
    margin: 0 auto;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .gallery-item.wide {
    grid-column: span 1;
    aspect-ratio: 3 / 4;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }
  
  .section-header h2 {
    font-size: 1.85rem;
  }
  
  .envelope-names {
    font-size: 2.8rem;
  }
  
  .hero-title {
    font-size: 4rem;
  }
  
  .hero-date {
    font-size: 1.15rem;
  }
  
  /* Timeline Responsive Mobile */
  .timeline-container::before {
    left: 20px;
  }
  
  .timeline-event {
    width: 100%;
    padding-left: 50px;
    padding-right: 0;
    text-align: left !important;
  }
  
  .timeline-event.left {
    left: 0;
  }
  
  .timeline-event.right {
    left: 0;
  }
  
  .timeline-badge {
    left: 10px !important;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .guestbook-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .gift-cards {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }
  
  .gift-card {
    width: 100%;
    max-width: 320px;
  }
}

@media (max-width: 480px) {
  .envelope-card {
    padding: 50px 20px 40px 20px;
  }
  
  .envelope-names {
    font-size: 2.4rem;
  }
  
  .hero-title {
    font-size: 3.2rem;
  }
  
  .countdown-grid {
    gap: 10px;
  }
  
  .countdown-item {
    width: 70px;
    height: 80px;
  }
  
  .countdown-number {
    font-size: 1.6rem;
  }
  
  .countdown-label {
    font-size: 0.65rem;
    letter-spacing: 1px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .modal-body {
    padding: 30px 20px;
  }
  
  .float-controls {
    bottom: 15px;
    right: 15px;
  }
}