/* =============================================
   WEDDING — Lâm & Giang
   Theme: Soft Pink & Burgundy (theo thiệp cưới)
   ============================================= */

:root {
  --pink: #F0C4CE;
  --pink-light: #FAE8ED;
  --pink-soft: #FDF6F8;
  --pink-deep: #E8A8B8;
  --burgundy: #7A1E32;
  --burgundy-dark: #5C1525;
  --burgundy-light: #952845;
  --floral-red: #C0392B;
  --floral-teal: #5D8A8A;

  --wine: var(--burgundy);
  --wine-dark: var(--burgundy-dark);
  --wine-deep: var(--burgundy-dark);
  --rose: #E8A0B0;
  --rose-light: var(--pink-light);
  --blush: var(--pink-light);
  --blush-deep: var(--pink);
  --champagne: var(--pink-soft);
  --gold: #B8892A;
  --gold-light: #E8D48A;
  --gold-dark: #8A6520;
  --ivory: #FFFBF8;

  --red: var(--burgundy);
  --red-dark: var(--burgundy-dark);
  --red-light: var(--pink-deep);
  --black: var(--burgundy-dark);
  --gray: #8A5060;
  --gray-light: #E8C8D0;
  --white: var(--ivory);
  --cream: var(--pink-soft);

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Montserrat', sans-serif;
  --font-script: 'Great Vibes', cursive;
  --font-names: 'Allura', cursive;
  --font-save-date: 'La Belle Aurore', cursive;

  --transition: cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 4px 28px rgba(122, 40, 64, 0.12);
  --shadow-gold: 0 4px 24px rgba(201, 162, 39, 0.2);
  --radius: 24px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--black);
  background: var(--pink-light);
  background-image:
    radial-gradient(circle at 10% 20%, rgba(240, 196, 206, 0.5) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(232, 168, 184, 0.35) 0%, transparent 45%);
  background-attachment: fixed;
  overflow-x: hidden;
  max-width: 100%;
  line-height: 1.6;
}

#main-content {
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
}

section {
  overflow-x: hidden;
  max-width: 100%;
}

html.no-scroll {
  overflow: hidden;
  height: 100%;
}

body.no-scroll {
  overflow: hidden;
  position: fixed;
  width: 100%;
  left: 0;
  right: 0;
  touch-action: none;
  overscroll-behavior: none;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 20px;
}

.hidden { display: none !important; }

/* ========== OPENING — Full cover ========== */
.opening-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #1a1010;
  overflow: hidden;
  touch-action: none;
  transition: opacity 0.9s var(--transition), visibility 0.9s;
}
.opening-overlay.morphing {
  pointer-events: none;
  background: transparent !important;
}
.opening-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.opening-cover {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.opening-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  animation: openingKenBurns 14s ease-out forwards;
}

.opening-vignette {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(to bottom, rgba(255,255,255,0.35) 0%, transparent 18%),
    linear-gradient(to top, rgba(20,10,15,0.55) 0%, transparent 45%),
    linear-gradient(to right, rgba(255,255,255,0.08) 0%, transparent 30%);
}

.opening-ui {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  max-width: 480px;
  margin: 0 auto;
  left: 0;
  right: 0;
  padding: 32px 22px 0;
  pointer-events: none;
}

.opening-std {
  font-family: var(--font-save-date);
  font-size: clamp(2.4rem, 7.5vw, 3.4rem);
  line-height: 1.1;
  margin-left: 6px;
  letter-spacing: 0.06em;
  color: #141014;
  -webkit-text-stroke: 0.6px rgba(255, 252, 248, 0.82);
  paint-order: stroke fill;
  text-shadow:
    0 0 1px #fff,
    0 0 8px rgba(255, 255, 255, 0.8),
    0 0 16px rgba(255, 248, 242, 0.55);
}

.opening-names-stack {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  padding: clamp(8px, 3vw, 20px) 10px 0;
  margin-top: clamp(12px, 4vw, 28px);
  line-height: 1;
}

.opening-spacer {
  flex: 1;
  min-height: 20px;
}

.opening-name {
  font-family: var(--font-names);
  font-size: clamp(3rem, 12vw, 4.6rem);
  font-weight: 400;
  line-height: 0.95;
  white-space: nowrap;
}
.opening-name--groom {
  align-self: flex-start;
  margin-left: clamp(16px, 10vw, 52px);
}
.opening-name--bride {
  align-self: flex-end;
  margin-right: clamp(12px, 8vw, 44px);
}

.opening-name-amp {
  font-family: var(--font-names);
  font-size: clamp(2rem, 7.5vw, 3rem);
  align-self: center;
  margin: clamp(-4px, -0.5vw, 4px) 0;
  transform: translateX(clamp(16px, 6vw, 36px));
  line-height: 1;
}

.opening-name,
.opening-name-amp {
  color: #141014;
  -webkit-text-stroke: 1px rgba(255, 252, 248, 0.88);
  paint-order: stroke fill;
  text-shadow:
    0 0 1px #fff,
    0 0 10px rgba(255, 255, 255, 0.88),
    0 0 20px rgba(255, 248, 242, 0.7),
    0 0 32px rgba(255, 240, 235, 0.4),
    1px 0 0 rgba(255, 255, 255, 0.42),
    -1px 0 0 rgba(255, 255, 255, 0.42),
    0 1px 0 rgba(255, 255, 255, 0.42),
    0 -1px 0 rgba(255, 255, 255, 0.42);
}

.opening-bottom {
  position: absolute;
  bottom: max(6px, env(safe-area-inset-bottom, 6px));
  left: 22px;
  right: 22px;
}

.opening-bottom-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  gap: 2px;
  margin-bottom: 8px;
}

.opening-bottom-info .opening-std {
  margin-left: 0;
  width: 100%;
  text-align: center;
  font-size: clamp(1.5rem, 5vw, 2rem);
  line-height: 1;
  letter-spacing: 0.04em;
  -webkit-text-stroke: 0.8px rgba(255, 252, 248, 0.88);
  paint-order: stroke fill;
  text-shadow:
    0 0 1px #fff,
    0 0 10px rgba(255, 255, 255, 0.88),
    0 0 20px rgba(255, 248, 242, 0.7),
    0 0 32px rgba(255, 240, 235, 0.4),
    1px 0 0 rgba(255, 255, 255, 0.42),
    -1px 0 0 rgba(255, 255, 255, 0.42);
}

.opening-date-label {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 4.2vw, 1.35rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #fff;
  text-align: center;
  width: 100%;
  text-shadow:
    0 0 8px rgba(255, 255, 255, 0.5),
    0 2px 8px rgba(0, 0, 0, 0.35);
}

.animate-opening {
  opacity: 0;
  animation: openingFadeUp 1s var(--transition) forwards;
}
.animate-opening--1 { animation-delay: 0.15s; }
.animate-opening--2 { animation-delay: 0.35s; }
.animate-opening--3 { animation-delay: 0.55s; }

.opening-swipe-hint {
  display: flex;
  justify-content: center;
  padding-top: 4px;
  pointer-events: none;
}
.opening-swipe-hint__icon {
  display: flex;
  color: rgba(255, 255, 255, 0.9);
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
  animation: swipeHintBounce 1.8s ease-in-out infinite;
}

.opening-cover-flyer {
  position: fixed;
  z-index: 10001;
  object-fit: cover;
  object-position: center 18%;
  pointer-events: none;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
  will-change: top, left, width, height, border-radius;
}

#hero-photo.morph-hidden {
  opacity: 0;
}

#main-content.revealing-detail .save-date__header,
#main-content.revealing-detail .save-date__names,
#main-content.revealing-detail .save-date__date-block,
#main-content.revealing-detail .save-date__year,
#main-content.revealing-detail .save-date__weekday,
#main-content.revealing-detail .save-date__lunar {
  opacity: 0;
  animation: detailContentIn 0.65s var(--transition) forwards;
}
#main-content.revealing-detail .save-date__header { animation-delay: 0.45s; }
#main-content.revealing-detail .save-date__names { animation-delay: 0.52s; }
#main-content.revealing-detail .save-date__date-block { animation-delay: 0.58s; }
#main-content.revealing-detail .save-date__year { animation-delay: 0.64s; }
#main-content.revealing-detail .save-date__weekday { animation-delay: 0.68s; }
#main-content.revealing-detail .save-date__lunar { animation-delay: 0.72s; }
.btn-open {
  position: relative;
  padding: 14px 48px;
  background: var(--burgundy);
  color: var(--pink-soft);
  border: none;
  border-radius: 50px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  overflow: visible;
  animation: btnOpenPulse 2.4s ease-in-out infinite;
  box-shadow: 0 4px 24px rgba(122, 30, 50, 0.28);
}
.btn-open__text {
  position: relative;
  z-index: 2;
}
.btn-open__ring {
  position: absolute;
  inset: -6px;
  border-radius: 50px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  animation: btnOpenRing 2.4s ease-out infinite;
  pointer-events: none;
}
.btn-open::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50px;
  background: linear-gradient(
    105deg,
    transparent 35%,
    rgba(255, 255, 255, 0.28) 50%,
    transparent 65%
  );
  animation: btnOpenShine 3.2s ease-in-out infinite;
  pointer-events: none;
}
.btn-open:hover {
  animation: none;
  transform: translateY(-2px) scale(1.03);
  background: var(--burgundy-dark);
  box-shadow: 0 8px 32px rgba(92, 21, 37, 0.4);
}

/* ========== SNOW CANVAS ========== */
.snow-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  max-width: 100vw;
  z-index: 100;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.snow-canvas--opening {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
}
.snow-canvas.active { opacity: 1; }

/* ========== MUSIC DISC ========== */
.music-disc {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 900;
  width: 52px;
  height: 52px;
  border: none;
  background: none;
  cursor: pointer;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.6);
  transition: all 0.5s var(--transition);
}
.music-disc.visible {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}
.music-disc__vinyl {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle at center, #1a1a1a 0%, #0a0a0a 40%, #1a1a1a 60%, #0a0a0a 100%);
  box-shadow: 0 4px 16px rgba(0,0,0,0.25), inset 0 0 0 2px rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: transform 0.3s;
}
.music-disc.playing .music-disc__vinyl {
  animation: spinDisc 3s linear infinite;
}
.music-disc__groove {
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: inset 0 0 8px rgba(0,0,0,0.5);
}
.music-disc__label {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: var(--wine-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  box-shadow: 0 0 0 2px rgba(255,255,255,0.15);
}
.music-disc__ring {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  opacity: 0;
  transition: opacity 0.3s;
}
.music-disc.playing .music-disc__ring {
  opacity: 0.5;
  animation: pulseRing 2s ease-out infinite;
}
.music-disc:not(.playing) .music-disc__vinyl {
  opacity: 0.7;
}
.music-disc:hover .music-disc__vinyl {
  transform: scale(1.08);
}

/* ========== SCROLL TOP ========== */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 20px;
  z-index: 800;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--black);
  background: var(--white);
  color: var(--black);
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--transition);
  box-shadow: var(--shadow);
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--wine); color: var(--gold-light); border-color: var(--wine); }

/* ========== SAVE THE DATE ========== */
.save-date {
  padding: 48px 20px 40px;
  text-align: center;
  background: var(--pink-light);
  position: relative;
}
.save-date::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'%3E%3Cpath d='M40 160 Q60 120 80 140 T120 130 T160 150' stroke='%23911E1E' stroke-width='0.5' fill='none' opacity='0.08'/%3E%3Ccircle cx='100' cy='80' r='20' stroke='%23911E1E' stroke-width='0.5' fill='none' opacity='0.06'/%3E%3C/svg%3E") repeat;
  pointer-events: none;
}

.save-date__header {
  display: flex;
  align-items: baseline;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
  position: relative;
  max-width: 100%;
  padding: 0 12px;
}
.std-save, .std-date {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  font-weight: 400;
  letter-spacing: 4px;
}
.std-the {
  font-family: var(--font-script);
  font-size: clamp(2rem, 6vw, 2.8rem);
  color: var(--burgundy);
  line-height: 1;
}

.save-date__photo { margin-bottom: 28px; position: relative; }

.photo-frame {
  overflow: hidden;
  margin: 0 auto;
  background: var(--cream);
}
.photo-frame--rounded {
  width: min(320px, 85vw);
  height: min(400px, 70vw);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.photo-frame--arch {
  width: 180px;
  height: 240px;
  border-radius: 90px 90px 12px 12px;
  border: 1px solid var(--gray-light);
}
.photo-frame--circle {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 3px solid var(--gold);
  box-shadow: 0 0 0 6px rgba(201, 162, 39, 0.15), var(--shadow-gold);
}

.photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--gray);
  font-size: 0.8rem;
  background: linear-gradient(145deg, var(--cream), var(--white));
}
.photo-placeholder span { font-size: 2.5rem; opacity: 0.4; }
.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--transition);
}
.photo-frame:hover img {
  transform: scale(1.05);
}

.save-date__names {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4.5vw, 2.2rem);
  font-weight: 500;
  margin-bottom: 28px;
  position: relative;
}
.name-amp { color: var(--burgundy-light); font-style: italic; margin: 0 8px; }

.save-date__date-block {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(6px, 2vw, 16px);
  margin-bottom: 12px;
  position: relative;
  max-width: 100%;
  padding: 0 8px;
  overflow: hidden;
}
.date-col { display: flex; flex-direction: column; align-items: center; gap: 6px; flex-shrink: 0; }
.date-col--time, .date-col--month { flex-direction: row; gap: clamp(4px, 1.5vw, 10px); }
.date-col--month .date-val {
  font-size: clamp(0.65rem, 2.5vw, 0.85rem);
  max-width: 4.5em;
  text-align: center;
  line-height: 1.3;
}
.date-line {
  display: block;
  width: clamp(20px, 8vw, 40px);
  height: 1px;
  background: var(--black);
  flex-shrink: 0;
}
.date-big {
  font-family: var(--font-serif);
  font-size: clamp(4rem, 12vw, 6rem);
  font-weight: 400;
  line-height: 1;
  color: var(--black);
}
.date-val {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 1px;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  white-space: nowrap;
}
.date-col--month .date-val { writing-mode: horizontal-tb; transform: none; }

.save-date__year {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: 4px;
  position: relative;
}
.save-date__weekday {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  letter-spacing: 3px;
  font-weight: 600;
  margin-bottom: 8px;
  position: relative;
}
.save-date__lunar {
  font-size: 0.8rem;
  color: var(--gray);
  font-style: italic;
  position: relative;
}

/* ========== INVITATION ========== */
.invitation {
  padding: 60px 20px;
  text-align: center;
  background: var(--pink);
  color: var(--burgundy);
}
.invitation .invitation__names,
.invitation .invitation__text { color: var(--burgundy-dark); }
.invitation .invitation__label { color: var(--burgundy-light); }
.invitation .invitation__guest { color: var(--burgundy); }
.invitation .divider-ornament { color: var(--burgundy-light); opacity: 0.6; }
.invitation__label {
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
}
.invitation__names {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 4vw, 1.8rem);
  font-weight: 500;
  margin-bottom: 20px;
  line-height: 1.5;
}
.invitation__text {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--gray);
  margin-bottom: 4px;
}
.invitation__guest {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--burgundy);
  margin-top: 20px;
  letter-spacing: 2px;
}

.divider-ornament {
  text-align: center;
  color: var(--gold-dark);
  opacity: 0.5;
  margin: 20px 0;
  letter-spacing: 8px;
  font-size: 0.8rem;
}

/* ========== COUPLE / I DO ========== */
.couple-section {
  padding: 60px 20px;
  background: var(--pink-soft);
  position: relative;
}
.couple-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cpath d='M50 250 Q100 200 150 230 T250 210' stroke='%23911E1E' stroke-width='0.4' fill='none' opacity='0.06'/%3E%3C/svg%3E") repeat;
  pointer-events: none;
}

.section-tag {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 40px;
}

.family-block {
  text-align: center;
  margin-bottom: 48px;
  position: relative;
}
.family-photo { margin-bottom: 20px; }
.family-label {
  font-size: 0.75rem;
  letter-spacing: 3px;
  font-weight: 600;
  color: var(--wine);
  margin-bottom: 12px;
}
.family-parents {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  line-height: 1.8;
}
.family-address {
  font-size: 0.8rem;
  color: var(--gray);
  margin-bottom: 20px;
  line-height: 1.6;
}

.name-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 32px;
  border: 1px solid var(--gray-light);
  border-radius: 50px;
  background: var(--white);
  box-shadow: var(--shadow);
}
.name-badge__role {
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gray);
}
.name-badge__name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--black);
}
.name-badge__title {
  font-size: 0.75rem;
  font-style: italic;
  color: var(--burgundy-light);
  margin-top: 2px;
}

.couple-center {
  text-align: center;
  margin: 32px 0;
  position: relative;
}

/* ========== EVENTS ========== */
.events-section {
  padding: 60px 20px;
  background: var(--blush);
}
.event-block {
  text-align: center;
  margin-bottom: 48px;
}
.event-icon { font-size: 2rem; margin-bottom: 12px; }
.event-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 3px;
  font-weight: 600;
  margin-bottom: 16px;
}
.event-date-big {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 8vw, 3.5rem);
  font-weight: 700;
  color: var(--black);
  margin-bottom: 8px;
  letter-spacing: 2px;
}
.event-lunar {
  font-size: 0.8rem;
  color: var(--gray);
  font-style: italic;
  margin-bottom: 8px;
}
.event-time {
  font-family: var(--font-serif);
  font-size: 1rem;
  margin-bottom: 12px;
}
.event-location {
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 12px;
  line-height: 1.6;
  white-space: pre-line;
}
.event-map {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--wine);
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--gold-dark);
  padding-bottom: 2px;
}

/* ========== TIMELINE ========== */
.timeline-section {
  padding: 60px 20px;
  background: var(--ivory);
  text-align: center;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 600;
  letter-spacing: 3px;
  margin-bottom: 16px;
  color: var(--black);
}
.section-title--white { color: var(--white); }

.timeline-date-header {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.timeline-lunar {
  font-size: 0.8rem;
  color: var(--gray);
  font-style: italic;
  margin-bottom: 32px;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.timeline-item {
  padding: 20px 16px;
  border: 1px solid var(--gray-light);
  border-radius: 12px;
  background: var(--cream);
  transition: transform 0.3s var(--transition);
}
.timeline-item:hover { transform: translateY(-2px); }
.timeline-time {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--wine);
  margin-bottom: 4px;
}
.timeline-label {
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray);
}

.timeline-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.8;
  max-width: 360px;
  margin: 0 auto;
  border: none;
}
.timeline-signature {
  font-family: var(--font-script);
  font-size: clamp(2rem, 6vw, 2.8rem);
  color: var(--burgundy);
  margin-top: 20px;
  letter-spacing: 1px;
}
.timeline-signature::before {
  content: '—';
  display: block;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--gray-light);
  margin-bottom: 8px;
  letter-spacing: 4px;
}

/* ========== CALENDAR ========== */
.calendar-section {
  padding: 40px 20px 60px;
  background: var(--pink-soft);
}
.calendar-widget {
  border: 1px solid var(--black);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 360px;
  margin: 0 auto;
}
.calendar-header {
  background: var(--wine);
  text-align: center;
  padding: 16px;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: 2px;
  border-bottom: 1px solid var(--gray-light);
}
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
}
.cal-day-name {
  padding: 10px 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--wine);
  border-bottom: 1px solid var(--gray-light);
}
.cal-day-name--sun { font-weight: 800; }
.cal-day {
  padding: 10px 4px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--gray-light);
  border-right: 1px solid var(--gray-light);
  position: relative;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cal-day:nth-child(7n) { border-right: none; }
.cal-day--empty { background: transparent; }
.cal-day--sun { font-weight: 700; }
.cal-day--wedding {
  color: var(--white);
  font-weight: 700;
}
.cal-day--wedding::before {
  content: '♥';
  position: absolute;
  font-size: 2rem;
  color: #FF1744;
  z-index: 0;
  line-height: 1;
  animation: weddingHeart 1.4s ease-in-out infinite;
  filter: drop-shadow(0 0 6px rgba(255, 23, 68, 0.55));
}
.cal-day--wedding span {
  position: relative;
  z-index: 1;
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 800;
  animation: weddingDate 1.4s ease-in-out infinite;
}

/* ========== GALLERY ========== */
.gallery-section {
  padding: 60px 20px;
  background: linear-gradient(180deg, var(--blush-deep) 0%, var(--blush) 100%);
  text-align: center;
}
.gallery-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 12px;
}
.gallery-sub {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 32px;
}

/* ========== PHOTO BANNER & DUO ========== */
.photo-banner {
  padding: 0 20px 40px;
  background: var(--blush);
}
.photo-frame--banner {
  width: 100%;
  max-width: 440px;
  height: 280px;
  margin: 0 auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  cursor: pointer;
  overflow: hidden;
}
/* ========== PHOTO MOSAIC ========== */
.photo-mosaic {
  padding: 40px 20px 56px;
  background: var(--ivory);
}
.photo-mosaic__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.photo-mosaic__item {
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow);
  border: 2px solid rgba(201, 162, 39, 0.22);
  background: var(--cream);
}
.photo-mosaic__item--wide {
  grid-column: span 2;
  height: clamp(200px, 52vw, 260px);
}
.photo-mosaic__item--half {
  height: clamp(160px, 42vw, 220px);
}
.photo-mosaic__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--transition);
}
.photo-mosaic__item:hover img {
  transform: scale(1.06);
}
.photo-mosaic__item .photo-placeholder {
  height: 100%;
  min-height: 100%;
}

.photo-frame--portrait {
  width: 100%;
  height: 220px;
  border-radius: 16px;
  border: 2px solid rgba(201, 162, 39, 0.25);
  box-shadow: var(--shadow);
  cursor: pointer;
  overflow: hidden;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 160px;
  gap: 12px;
}
.gallery-item {
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
}
.gallery-item--wide { grid-column: span 2; }
.gallery-item--tall { grid-row: span 2; }
.gallery-item img,
.gallery-item .gallery-placeholder {
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--transition);
}
.gallery-item .gallery-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: linear-gradient(135deg, var(--blush), var(--champagne));
}
.gallery-item:hover img,
.gallery-item:hover .gallery-placeholder { transform: scale(1.05); }

/* ========== COUNTDOWN ========== */
.countdown-section {
  padding: 60px 20px;
  background: linear-gradient(135deg, var(--burgundy) 0%, var(--burgundy-dark) 100%);
  text-align: center;
  color: var(--pink-soft);
  position: relative;
}
.countdown-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(240, 196, 206, 0.12) 0%, transparent 60%);
  pointer-events: none;
}
.countdown-flip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.flip-group { text-align: center; }
.flip-box {
  background: rgba(201, 162, 39, 0.15);
  border: 1px solid rgba(232, 212, 138, 0.35);
  border-radius: 8px;
  padding: 12px 16px;
  min-width: 64px;
  backdrop-filter: blur(4px);
}
.flip-num {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 6vw, 2.8rem);
  font-weight: 700;
  line-height: 1;
  display: block;
}
.flip-label {
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 6px;
  display: block;
  opacity: 0.8;
}
.flip-sep {
  font-family: var(--font-serif);
  font-size: 2rem;
  opacity: 0.5;
  margin-bottom: 20px;
}
.countdown-poem {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  line-height: 2;
  opacity: 0.9;
  max-width: 360px;
  margin: 0 auto;
}

/* ========== MOMENTS ========== */
.moments-section {
  padding: 60px 20px;
  background: var(--ivory);
  text-align: center;
}
.moments-sub {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 28px;
  font-style: italic;
}
.moments-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 180px;
  gap: 12px;
}
.moments-item {
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.moments-item--wide {
  grid-column: span 2;
  grid-row: span 1;
  height: 200px;
}
.moments-item .gallery-placeholder,
.moments-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.moments-item .gallery-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: linear-gradient(135deg, var(--blush), var(--champagne));
  transition: transform 0.4s var(--transition);
}
.moments-item:hover .gallery-placeholder,
.moments-item:hover img { transform: scale(1.05); }

/* ========== WISHES FORM ========== */
.wishes-section {
  padding: 60px 20px;
  background: var(--blush);
  text-align: center;
}
.wishes-sub {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 28px;
}
.wish-form { max-width: 360px; margin: 0 auto 32px; }
.form-group { margin-bottom: 16px; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--gray-light);
  border-radius: 12px;
  background: var(--white);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--wine);
  box-shadow: 0 0 0 3px rgba(122, 40, 64, 0.12);
}
.form-group textarea { resize: vertical; min-height: 100px; }

.wish-success {
  padding: 16px;
  color: var(--wine);
  font-weight: 500;
  margin-bottom: 24px;
}
.wishes-divider {
  margin: 32px 0 24px;
  color: var(--gold-dark);
  opacity: 0.4;
  letter-spacing: 6px;
}

.btn-submit {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--wine) 0%, var(--wine-dark) 100%);
  color: var(--gold-light);
  border: 1px solid rgba(232, 212, 138, 0.3);
  border-radius: 50px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 3px;
  cursor: pointer;
  transition: all 0.3s var(--transition);
  box-shadow: var(--shadow);
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 6px 28px rgba(122, 40, 64, 0.3); }

.wishes-wall {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 360px;
  margin: 0 auto;
}
.wish-card {
  padding: 16px 20px;
  border-left: 3px solid var(--gold);
  background: var(--ivory);
  border-radius: 0 8px 8px 0;
}
.wish-card p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  margin-bottom: 6px;
}
.wish-card span { font-size: 0.75rem; color: var(--wine); font-weight: 600; }

/* ========== FOOTER ========== */
.footer {
  padding: 60px 20px 40px;
  background: linear-gradient(160deg, var(--wine-deep) 0%, var(--wine-dark) 100%);
  color: var(--ivory);
  text-align: center;
}
.footer-names {
  font-family: var(--font-serif);
  font-size: 2rem;
  letter-spacing: 4px;
  margin-bottom: 16px;
}
.footer-thanks {
  font-size: 0.85rem;
  opacity: 0.7;
  line-height: 1.7;
  margin-bottom: 16px;
}
.footer-thankyou {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--gold);
  margin-bottom: 12px;
}
.footer-date {
  font-size: 0.85rem;
  opacity: 0.5;
  letter-spacing: 2px;
}

/* ========== LIGHTBOX ========== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 8000;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}
.lightbox.active { opacity: 1; visibility: visible; }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  opacity: 0.7;
  padding: 8px 16px;
  z-index: 2;
}
.lightbox-close { top: 12px; right: 16px; font-size: 2.5rem; }
.lightbox-prev { left: 8px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 8px; top: 50%; transform: translateY(-50%); }
.lightbox-content img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
}

/* ========== TOAST ========== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--black);
  color: var(--white);
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.8rem;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--transition);
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ========== SCROLL ANIMATIONS ========== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.85s var(--transition), transform 0.85s var(--transition);
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

.animate-from-left {
  transform: translateX(-40px);
}
.animate-from-left.visible {
  transform: translateX(0);
}

.animate-from-right {
  transform: translateX(40px);
}
.animate-from-right.visible {
  transform: translateX(0);
}

.animate-from-bottom {
  transform: translateY(40px) scale(0.96);
}
.animate-from-bottom.visible {
  transform: translateY(0) scale(1);
}

.animate-from-top {
  transform: translateY(-60px);
}
.animate-from-top.visible {
  transform: translateY(0);
}

.animate-scale {
  transform: scale(0.5);
}
.animate-scale.visible {
  transform: scale(1);
}

/* Kết hợp animation — tránh transform bị ghi đè gây tràn ngang */
.animate-on-scroll.animate-from-left { transform: translate(-40px, 30px); }
.animate-on-scroll.animate-from-left.visible { transform: translate(0, 0); }

.animate-on-scroll.animate-from-right { transform: translate(40px, 30px); }
.animate-on-scroll.animate-from-right.visible { transform: translate(0, 0); }

.animate-on-scroll.animate-from-bottom { transform: translateY(40px) scale(0.96); }
.animate-on-scroll.animate-from-bottom.visible { transform: translateY(0) scale(1); }

.animate-on-scroll.animate-scale { transform: translateY(30px) scale(0.5); }
.animate-on-scroll.animate-scale.visible { transform: translateY(0) scale(1); }

/* Mosaic — bay từ ngoài vào */
.photo-mosaic__item.animate-on-scroll.animate-from-left {
  transform: translate(-110px, 24px);
}
.photo-mosaic__item.animate-on-scroll.animate-from-right {
  transform: translate(110px, 24px);
}
.photo-mosaic__item.animate-on-scroll.animate-from-bottom {
  transform: translateY(90px) scale(0.9);
}
.photo-mosaic__item.animate-on-scroll.animate-from-left.visible,
.photo-mosaic__item.animate-on-scroll.animate-from-right.visible,
.photo-mosaic__item.animate-on-scroll.animate-from-bottom.visible {
  transform: translate(0, 0) scale(1);
}

/* Stagger gallery */
.gallery-item:nth-child(1) { transition-delay: 0s; }
.gallery-item:nth-child(2) { transition-delay: 0.1s; }
.gallery-item:nth-child(3) { transition-delay: 0.15s; }
.gallery-item:nth-child(4) { transition-delay: 0.2s; }
.gallery-item:nth-child(5) { transition-delay: 0.25s; }
.gallery-item:nth-child(6) { transition-delay: 0.3s; }
.gallery-item:nth-child(7) { transition-delay: 0.1s; }
.gallery-item:nth-child(8) { transition-delay: 0.15s; }
.gallery-item:nth-child(9) { transition-delay: 0.2s; }
.gallery-item:nth-child(10) { transition-delay: 0.25s; }
.gallery-item:nth-child(11) { transition-delay: 0.3s; }
.gallery-item:nth-child(12) { transition-delay: 0.35s; }

/* Hero entrance on open */
.save-date .animate-on-scroll:nth-child(1) { transition-delay: 0.05s; }
.save-date .animate-on-scroll:nth-child(2) { transition-delay: 0.15s; }
.save-date .animate-on-scroll:nth-child(3) { transition-delay: 0.25s; }
.save-date .animate-on-scroll:nth-child(4) { transition-delay: 0.35s; }
.save-date .animate-on-scroll:nth-child(5) { transition-delay: 0.45s; }
.save-date .animate-on-scroll:nth-child(6) { transition-delay: 0.55s; }
.save-date .animate-on-scroll:nth-child(7) { transition-delay: 0.65s; }

/* ========== KEYFRAMES ========== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes openingFadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes openingKenBurns {
  from { transform: scale(1.1); }
  to { transform: scale(1); }
}

@keyframes swipeHintBounce {
  0%, 100% { transform: translateY(0); opacity: 0.65; }
  50% { transform: translateY(-10px); opacity: 1; }
}

@keyframes detailContentIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulseRing {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.4); opacity: 0; }
}

@keyframes weddingHeart {
  0%, 100% { transform: scale(1); }
  15% { transform: scale(1.2); }
  30% { transform: scale(1); }
  45% { transform: scale(1.14); }
  60% { transform: scale(1); }
}

@keyframes weddingDate {
  0%, 100% { transform: scale(1); }
  15% { transform: scale(1.08); }
  30% { transform: scale(1); }
  45% { transform: scale(1.05); }
  60% { transform: scale(1); }
}

@keyframes btnOpenPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 4px 24px rgba(122, 30, 50, 0.28); }
  50% { transform: scale(1.05); box-shadow: 0 8px 32px rgba(122, 30, 50, 0.42); }
}

@keyframes btnOpenRing {
  0% { transform: scale(1); opacity: 0.7; }
  70% { transform: scale(1.18); opacity: 0; }
  100% { transform: scale(1.18); opacity: 0; }
}

@keyframes btnOpenShine {
  0%, 100% { transform: translateX(-120%); opacity: 0; }
  40% { opacity: 1; }
  60% { transform: translateX(120%); opacity: 0; }
}

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

.photo-frame.visible {
  animation: floatPhoto 5s ease-in-out infinite;
}

/* ========== DESKTOP ========== */
@media (min-width: 768px) {
  .container { max-width: 520px; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 180px; }
  .moments-grid { grid-template-columns: repeat(3, 1fr); }
  .moments-item--wide { grid-column: span 2; }
  .timeline-grid { grid-template-columns: repeat(4, 1fr); }
}