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

:root {
  /* Bảng màu Song Hỷ Xanh (Chung Đôi Theme) */
  --emerald-darkest: #0A1F0E;
  --emerald-dark: #122418;
  --emerald-primary: #1F3A25;
  --emerald-card: #182F1E;
  --emerald-light: #284A30;
  
  --jade-ivory: #E8F0E4;
  --jade-accent: #A8E6A3;
  --jade-soft: #7BC47A;
  --jade-dark: #1F3A25;
  --bg-ivory: #FAF6ED;
  --text-main: #1F3A25;
  
  --gold-accent: #D4AF37;
  --text-primary: #E8F0E4;
  --text-muted: rgba(232, 240, 228, 0.75);
  --border-jade: rgba(232, 240, 228, 0.18);
  --glass-bg: rgba(18, 36, 24, 0.88);
  
  --font-serif: 'Cormorant Garamond', 'Lora', Georgia, serif;
  --font-sans: 'Montserrat', -apple-system, sans-serif;
  --font-script: 'Great Vibes', cursive;
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--emerald-darkest);
  color: var(--text-primary);
  line-height: 1.6;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden !important;
  position: relative;
  min-height: 100dvh;
}

/* ==========================================================================
   HIỆU ỨNG CHỮ 囍 (SONG HỶ) BAY LƠ LỬNG (AMBIENT FLOATING CHARACTERS)
   ========================================================================== */
.ambient-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}

.ambient-char {
  position: absolute;
  bottom: -40px;
  font-family: var(--font-serif);
  user-select: none;
  animation: ambientRise var(--duration, 10s) ease-in-out var(--delay, 0s) infinite;
  opacity: 0.8;
}

@keyframes ambientRise {
  0% {
    transform: translateY(0) translateX(0) rotate(0deg);
    opacity: 0;
  }
  15% {
    opacity: 0.65;
  }
  85% {
    opacity: 0.65;
  }
  100% {
    transform: translateY(-110vh) translateX(var(--sway, 20px)) rotate(15deg);
    opacity: 0;
  }
}

/* ==========================================================================
   MÀN HÌNH MỞ THIỆP PHONG BÌ (SONG HỶ XANH ENVELOPE SPLASH)
   ========================================================================== */
.envelope-splash {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: linear-gradient(to bottom right, #0A1F0E, #122418, #1F3A25);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transition: opacity 1.15s cubic-bezier(0.16, 1, 0.3, 1), visibility 1.15s, transform 1.15s cubic-bezier(0.16, 1, 0.3, 1), filter 1.15s ease;
}

.envelope-splash.opened {
  opacity: 0;
  visibility: hidden;
  transform: scale(1.085);
  filter: blur(16px);
  pointer-events: none;
}

.envelope-wrapper {
  position: relative;
  width: 100%;
  max-width: 540px;
  z-index: 10;
}

/* Sáp niêm phong tròn phía trên */
.envelope-seal {
  width: 60px;
  height: 60px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at 30% 30%, #E8F0E4, #CAD2C6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(232, 240, 228, 0.45), inset 0 2px 4px rgba(255, 255, 255, 0.4);
  z-index: 30;
  animation: sealPulse 2s ease-in-out infinite;
}

.envelope-seal-inner {
  width: 36px;
  height: 36px;
  background: var(--emerald-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--jade-ivory);
  font-size: 1.2rem;
}

@keyframes sealPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.04); }
}

/* Thẻ thiệp chính phong bì */
.envelope-card {
  background: var(--emerald-primary);
  border: 1px solid var(--border-jade);
  border-radius: 16px;
  padding: 4rem 2rem 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 60px -12px rgba(0, 0, 0, 0.65), 0 0 40px rgba(232, 240, 228, 0.1);
  transition: transform 0.8s ease;
}

.envelope-splash.opened .envelope-card {
  transform: translateY(-45px) scale(0.95);
}

/* Chữ Hỷ chìm hoa văn 2 góc phong bì */
.bg-hy-tl, .bg-hy-br {
  position: absolute;
  font-family: var(--font-serif);
  font-size: 13rem;
  font-weight: 700;
  color: var(--jade-ivory);
  opacity: 0.08;
  pointer-events: none;
  line-height: 1;
}

.bg-hy-tl {
  top: -45px;
  left: -30px;
  transform: rotate(25deg);
}

.bg-hy-br {
  bottom: -45px;
  right: -30px;
  transform: rotate(-25deg);
}

.envelope-content {
  position: relative;
  z-index: 2;
}

.envelope-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--jade-accent);
  margin-bottom: 1rem;
}

.envelope-couple-names {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  font-weight: 600;
  color: var(--jade-ivory);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.envelope-couple-names .amp {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--jade-accent);
  display: block;
  margin: 0.2rem 0;
}

.envelope-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  margin: 1rem auto 1.2rem;
  max-width: 200px;
}

.envelope-divider .line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--jade-ivory));
}

.envelope-divider .line.right {
  background: linear-gradient(to left, transparent, var(--jade-ivory));
}

.envelope-divider .icon {
  color: var(--jade-ivory);
  font-size: 1rem;
  opacity: 0.8;
}

.envelope-date {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--jade-ivory);
  opacity: 0.9;
  margin-bottom: 1.5rem;
}

.guest-invitation-box {
  background: rgba(10, 31, 14, 0.45);
  border: 1px dashed var(--border-jade);
  border-radius: 12px;
  padding: 1.2rem;
  margin: 1.2rem 0 2rem;
}

.guest-invitation-box p {
  font-size: 0.8rem;
  color: var(--jade-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.3rem;
}

.guest-name-display {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--jade-ivory);
}

.btn-open-envelope {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background-color: var(--jade-ivory);
  color: var(--emerald-primary);
  border: none;
  padding: 0.9rem 2.8rem;
  border-radius: 999px;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(232, 240, 228, 0.3);
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-open-envelope:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 12px 30px rgba(232, 240, 228, 0.45);
}

.btn-open-envelope .shine-effect {
  position: absolute;
  top: 0;
  left: -60px;
  width: 40px;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.7), transparent);
  animation: btnShine 3s ease-in-out infinite;
  pointer-events: none;
}

@keyframes btnShine {
  0% { left: -60px; }
  40% { left: 120%; }
  100% { left: 120%; }
}

/* ==========================================================================
   FLOATING NAVBAR & MUSIC CONTROLLER
   ========================================================================== */
.floating-header {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 2rem);
  max-width: 900px;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-jade);
  border-radius: 999px;
  padding: 0.6rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

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

.nav-links a {
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--jade-ivory);
  opacity: 0.85;
  transition: all 0.2s;
}

.nav-links a:hover {
  color: var(--jade-accent);
  opacity: 1;
}

.music-toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(40, 74, 48, 0.6);
  border: 1px solid var(--border-jade);
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--jade-ivory);
  transition: all 0.3s;
}

.music-toggle:hover {
  background: var(--emerald-light);
  border-color: var(--jade-accent);
}

.sound-waves {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
}

.sound-waves span {
  width: 2.5px;
  background: var(--jade-accent);
  height: 4px;
  border-radius: 2px;
  transition: height 0.3s;
}

.music-toggle.playing .sound-waves span:nth-child(1) { animation: wave 0.7s infinite alternate; }
.music-toggle.playing .sound-waves span:nth-child(2) { animation: wave 0.45s infinite alternate 0.15s; }
.music-toggle.playing .sound-waves span:nth-child(3) { animation: wave 0.65s infinite alternate 0.3s; }

@keyframes wave {
  0% { height: 4px; }
  100% { height: 14px; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .floating-header {
    justify-content: center;
  }
}

/* ==========================================================================
   HERO BANNER (SONG HỶ XANH SAVE THE DATE)
   ========================================================================== */
.hero-section {
  min-height: 100dvh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6.5rem 1.5rem 4rem;
  background: radial-gradient(circle at center top, #1F3A25 0%, #122418 65%, #0A1F0E 100%);
  overflow: hidden;
}

.hero-content {
  max-width: 860px;
  position: relative;
  z-index: 2;
}

.song-hy-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(232, 240, 228, 0.08);
  border: 1px solid var(--border-jade);
  padding: 0.45rem 1.2rem;
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--jade-accent);
  margin-bottom: 1.5rem;
}

/* Khung ảnh vòm truyền thống phong cách Song Hỷ Xanh */
.hero-arch-container {
  width: 240px;
  height: 320px;
  margin: 0 auto 2rem;
  border-radius: 120px 120px 16px 16px;
  padding: 6px;
  background: linear-gradient(180deg, var(--jade-ivory), rgba(232, 240, 228, 0.2));
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.hero-arch-inner {
  width: 100%;
  height: 100%;
  border-radius: 114px 114px 12px 12px;
  overflow: hidden;
  position: relative;
}

.hero-arch-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7.5vw, 5.2rem);
  font-weight: 700;
  color: var(--jade-ivory);
  line-height: 1.15;
  margin-bottom: 0.8rem;
}

.hero-title .ampersand {
  font-family: var(--font-script);
  font-size: clamp(3.2rem, 8vw, 5.5rem);
  color: var(--jade-accent);
  display: block;
  margin: -0.6rem 0;
}

.hero-date-display {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  color: var(--jade-ivory);
  opacity: 0.9;
  margin-bottom: 2.5rem;
}

/* Countdown Timer */
.countdown-grid {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.countdown-box {
  background: rgba(24, 47, 30, 0.85);
  border: 1px solid var(--border-jade);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  min-width: 85px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(8px);
}

.countdown-box .number {
  font-family: var(--font-serif);
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--jade-ivory);
  line-height: 1;
}

.countdown-box .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--jade-accent);
  margin-top: 0.4rem;
}

/* ==========================================================================
   COMMON SECTION STYLING (SONG HỶ XANH)
   ========================================================================== */
.section-padding {
  padding: 6.5rem 1.5rem;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 4rem;
}

.section-eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--jade-accent);
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4.5vw, 3.4rem);
  font-weight: 700;
  color: var(--jade-ivory);
}

.section-subtext {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 0.6rem;
}

/* ==========================================================================
   COUPLE PROFILES SECTION
   ========================================================================== */
.couple-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 3rem;
  max-width: 960px;
  margin: 0 auto;
}

.couple-card {
  background: var(--emerald-card);
  border: 1px solid var(--border-jade);
  border-radius: 20px;
  padding: 2.8rem 2rem;
  text-align: center;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
  transition: transform 0.4s ease, border-color 0.4s ease;
}

.couple-card:hover {
  transform: translateY(-6px);
  border-color: var(--jade-accent);
}

.couple-avatar-wrap {
  width: 180px;
  height: 180px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  padding: 6px;
  border: 2px dashed var(--jade-accent);
}

.couple-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.couple-role {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--jade-accent);
  margin-bottom: 0.4rem;
}

.couple-name {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--jade-ivory);
  margin-bottom: 1rem;
}

.couple-bio {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ==========================================================================
   LOVE STORY TIMELINE
   ========================================================================== */
.timeline-container {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
}

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

.timeline-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4rem;
  position: relative;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-content {
  width: 44%;
  background: var(--emerald-card);
  border: 1px solid var(--border-jade);
  border-radius: 18px;
  padding: 1.8rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

.timeline-date {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--jade-accent);
  letter-spacing: 0.12em;
  margin-bottom: 0.4rem;
}

.timeline-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--jade-ivory);
  margin-bottom: 0.6rem;
}

.timeline-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 12px;
  margin-top: 1rem;
}

.timeline-dot {
  width: 20px;
  height: 20px;
  background: var(--jade-accent);
  border: 4px solid var(--emerald-dark);
  border-radius: 50%;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 12px rgba(168, 230, 163, 0.6);
}

@media (max-width: 768px) {
  .timeline-container::before {
    left: 20px;
  }
  .timeline-item,
  .timeline-item:nth-child(even) {
    flex-direction: column;
    align-items: flex-start;
    padding-left: 50px;
  }
  .timeline-content {
    width: 100%;
  }
  .timeline-dot {
    left: 20px;
  }
}

/* ==========================================================================
   WEDDING EVENTS SECTION
   ========================================================================== */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  max-width: 960px;
  margin: 0 auto;
}

.event-card {
  background: var(--emerald-card);
  border: 1px solid var(--border-jade);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
}

.event-img-header {
  height: 230px;
  position: relative;
}

.event-img-header img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.event-body {
  padding: 2.2rem 2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.event-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--jade-ivory);
  margin-bottom: 1.2rem;
}

.event-info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 2rem;
}

.event-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.event-info-list li strong {
  color: var(--jade-ivory);
}

.event-actions {
  display: flex;
  gap: 1rem;
  margin-top: auto;
}

.btn-outline, .btn-primary {
  flex: 1;
  text-align: center;
  padding: 0.85rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--jade-accent);
  color: var(--jade-ivory);
}

.btn-outline:hover {
  background: rgba(168, 230, 163, 0.12);
}

.btn-primary {
  background: var(--jade-ivory);
  border: 1px solid var(--jade-ivory);
  color: var(--emerald-primary);
}

.btn-primary:hover {
  background: #fff;
  box-shadow: 0 6px 20px rgba(232, 240, 228, 0.3);
}

/* ==========================================================================
   GALLERY SECTION & LIGHTBOX
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.gallery-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--border-jade);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 31, 14, 0.95);
  z-index: 100000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

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

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: 12px;
  border: 1px solid var(--border-jade);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  color: var(--jade-ivory);
  font-size: 2.8rem;
  cursor: pointer;
}

/* ==========================================================================
   BANKING QR CODE (HỘP MỪNG CƯỚI SONG HỶ XANH)
   ========================================================================== */
.banking-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.bank-card {
  background: var(--emerald-card);
  border: 1px solid var(--border-jade);
  border-radius: 20px;
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
}

.qr-box {
  width: 200px;
  height: 200px;
  margin: 1.5rem auto;
  background: #fff;
  border-radius: 12px;
  padding: 10px;
}

.qr-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.toast-msg {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--jade-ivory);
  color: var(--emerald-primary);
  font-weight: 600;
  padding: 0.9rem 2rem;
  border-radius: 999px;
  font-size: 0.95rem;
  z-index: 100000;
  transition: transform 0.4s ease;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

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

/* ==========================================================================
   RSVP FORM & WISHES WALL
   ========================================================================== */
.rsvp-wishes-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 3rem;
  max-width: 1020px;
  margin: 0 auto;
}

.rsvp-form-card, .wishes-wall-card {
  background: var(--emerald-card);
  border: 1px solid var(--border-jade);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--jade-ivory);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border-jade);
  border-radius: 10px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  background: rgba(10, 31, 14, 0.6);
  color: var(--jade-ivory);
  transition: border-color 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--jade-accent);
}

.wishes-list {
  max-height: 480px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  padding-right: 0.5rem;
}

.wish-item {
  background: rgba(10, 31, 14, 0.5);
  border: 1px solid var(--border-jade);
  border-radius: 14px;
  padding: 1.3rem;
}

.wish-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.wish-author {
  font-weight: 600;
  color: var(--jade-accent);
}

.wish-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer-section {
  text-align: center;
  padding: 4.5rem 1.5rem;
  border-top: 1px solid var(--border-jade);
  background: var(--emerald-darkest);
}

.footer-script {
  font-family: var(--font-script);
  font-size: 2.8rem;
  color: var(--jade-accent);
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   ADVANCED ANIMATION SYSTEM (SCROLL REVEAL, MICRO-INTERACTIONS & BOKEH)
   ========================================================================== */

/* 1. Scroll-Reveal IntersectionObserver Animations */
.scroll-reveal {
  opacity: 0;
  transform: translateY(38px) scale(0.975);
  filter: blur(8px);
  transition: opacity 0.95s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.95s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.95s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform, filter;
}

.scroll-reveal.is-revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

/* 2. Premium 3D Hover Lifts & Glow Shadows */
.couple-card,
.event-card,
.banking-card,
.rsvp-card,
.gallery-item {
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.45s ease !important;
}

.couple-card:hover,
.event-card:hover,
.banking-card:hover {
  transform: translateY(-8px) scale(1.015);
  box-shadow: 0 22px 50px rgba(31, 58, 37, 0.16), 0 0 30px rgba(197, 160, 89, 0.22) !important;
  border-color: var(--jade-accent) !important;
}

.gallery-item:hover {
  transform: translateY(-6px) scale(1.025);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.25) !important;
}

/* 3. Breathing Aura for Countdown Boxes & Arch */
.countdown-box {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.35s ease;
}

.countdown-box:hover {
  transform: translateY(-4px) scale(1.06);
  box-shadow: 0 14px 30px rgba(31, 58, 37, 0.2), 0 0 20px rgba(197, 160, 89, 0.35);
  border-color: var(--gold-accent);
}

/* 4. Floating Bokeh / Shimmering Particles */
.floating-sparkle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: radial-gradient(circle, #C5A059 0%, rgba(197, 160, 89, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatSparkle 8s ease-in-out infinite;
  z-index: 2;
}

@keyframes floatSparkle {
  0% {
    transform: translateY(0) scale(0.6);
    opacity: 0;
  }
  30% {
    opacity: 0.75;
  }
  70% {
    opacity: 0.75;
  }
  100% {
    transform: translateY(-80px) scale(1.2);
    opacity: 0;
  }
}

/* ==========================================================================
   WEB INTERFACE GUIDELINES COMPLIANCE RULES
   ========================================================================== */

/* Accessibility: Scroll Margin Top for Sections */
section[id] {
  scroll-margin-top: 85px;
}

/* Focus States: Visible focus ring on interactive elements */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--gold-accent) !important;
  outline-offset: 3px !important;
}

/* Typography Compliance */
h1, h2, h3, .section-title, .hero-title {
  text-wrap: balance;
}

.countdown-box .number {
  font-variant-numeric: tabular-nums;
}

/* Accessibility: Honor prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
/* ==========================================================================
   GIAO DIỆN MỚI: SONG HỶ XANH CHUẨN MẪU (BANNERS, 3D CAROUSEL, PHONG BAO)
   ========================================================================== */

/* 1. Dải Banner Xanh Lục Bảo Đậm (THÔNG TIN LỄ CƯỚI / THÔNG TIN TIỆC CƯỚI) */
.dark-jade-banner {
  background: var(--jade-dark);
  color: #EAD8B1;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-align: center;
  padding: 1.1rem 1rem;
  box-shadow: 0 4px 20px rgba(18, 38, 24, 0.25);
  position: relative;
  border-top: 1px solid rgba(197, 160, 89, 0.35);
  border-bottom: 1px solid rgba(197, 160, 89, 0.35);
}

/* 2. Thông Tin Lễ Cưới & Gia Đình */
.ceremony-section, .party-section {
  background: var(--bg-ivory);
}

.ceremony-parents-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto 3rem;
  text-align: center;
}

@media (max-width: 640px) {
  .ceremony-parents-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.parents-col .parents-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

.parents-col .parent-name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--jade-dark);
  margin-bottom: 0.3rem;
}

.parents-col .parent-address {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 280px;
  margin: 0.5rem auto 0;
}

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

.ceremony-announcement .notice-text {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--jade-accent);
  margin-bottom: 1.8rem;
}

.ceremony-announcement .couple-highlight {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  color: var(--jade-dark);
  line-height: 1.3;
  margin-bottom: 0.4rem;
}

.ceremony-announcement .couple-role {
  font-size: 0.9rem;
  letter-spacing: 3px;
  color: var(--gold-accent);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.ceremony-announcement .ceremony-time-box {
  margin-top: 2.5rem;
  padding: 1.8rem;
  background: #FAF6ED;
  border: 1px solid rgba(197, 160, 89, 0.35);
  border-radius: 16px;
  display: inline-block;
}

/* 3. Album Ảnh 3D Carousel (Lá bài lướt trái/phải, hai bên mờ tạo chiều sâu) */
.gallery-carousel-wrap {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 0;
  overflow: hidden;
}

.gallery-carousel-track {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  min-height: 480px;
  position: relative;
}

.gallery-3d-card {
  position: absolute;
  width: 320px;
  height: 450px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0,0,0,0.18);
  transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  background: #fff;
}

.gallery-3d-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Thẻ ở giữa (active) */
.gallery-3d-card.card-center {
  transform: translateX(0) scale(1.05);
  z-index: 10;
  opacity: 1;
  filter: blur(0);
  box-shadow: 0 25px 50px rgba(31, 58, 37, 0.3);
  border: 3px solid var(--gold-accent);
}

/* Thẻ bên trái (mờ & nhỏ hơn) */
.gallery-3d-card.card-left {
  transform: translateX(-240px) scale(0.85) rotateY(15deg);
  z-index: 5;
  opacity: 0.65;
  filter: blur(3px);
}

/* Thẻ bên phải (mờ & nhỏ hơn) */
.gallery-3d-card.card-right {
  transform: translateX(240px) scale(0.85) rotateY(-15deg);
  z-index: 5;
  opacity: 0.65;
  filter: blur(3px);
}

/* Thẻ ẩn phía sau */
.gallery-3d-card.card-hidden {
  transform: translateX(0) scale(0.6);
  z-index: 1;
  opacity: 0;
  filter: blur(10px);
  pointer-events: none;
}

@media (max-width: 768px) {
  .gallery-3d-card {
    width: 250px;
    height: 360px;
  }
  .gallery-3d-card.card-left {
    transform: translateX(-150px) scale(0.82);
  }
  .gallery-3d-card.card-right {
    transform: translateX(150px) scale(0.82);
  }
}

.gallery-nav-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.gallery-nav-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--jade-dark);
  color: #fff;
  border: 1px solid var(--gold-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.3s ease, background 0.3s ease;
}

.gallery-nav-btn:hover {
  transform: scale(1.1);
  background: var(--jade-accent);
}

/* 4. Phong Bao Mừng Cưới (Thu gọn dạng phong bì) */
.banking-envelope-card {
  max-width: 480px;
  margin: 0 auto;
  cursor: pointer;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease;
}

.banking-envelope-card:hover {
  transform: translateY(-6px) scale(1.02);
}

.red-envelope-wrap {
  background: linear-gradient(135deg, #9C191B 0%, #D32F2F 100%);
  border: 2px solid #F3C669;
  border-radius: 20px;
  padding: 3rem 2rem;
  text-align: center;
  color: #fff;
  box-shadow: 0 16px 40px rgba(156, 25, 27, 0.35);
  position: relative;
  overflow: hidden;
}

.red-envelope-wrap::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: linear-gradient(90deg, #F3C669, #FFE599, #F3C669);
}

.red-envelope-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.2rem;
  background: #F3C669;
  color: #9C191B;
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* ==========================================================================
   PHONG BAO MỪNG CƯỚI CHÂN THỰC & MODAL POPUP QR CHUẨN SONG HỶ XANH
   ========================================================================== */
.banking-red-envelope-authentic {
  background: linear-gradient(145deg, #B21F24 0%, #8E1418 100%);
  border: 2px solid #F3C669;
  border-radius: 18px;
  width: 250px;
  height: 350px;
  margin: 0 auto;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 35px rgba(156, 25, 27, 0.4), inset 0 0 20px rgba(0,0,0,0.25);
  cursor: pointer;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease;
  user-select: none;
}

.banking-red-envelope-authentic:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 22px 45px rgba(156, 25, 27, 0.5);
}

.envelope-corner {
  position: absolute;
  color: #F3C669;
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
}
.envelope-corner.top-left { top: 12px; left: 14px; }
.envelope-corner.top-right { top: 12px; right: 14px; }
.envelope-corner.bottom-left { bottom: 12px; left: 14px; }
.envelope-corner.bottom-right { bottom: 12px; right: 14px; }

.double-happiness-emblem {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: #F3C669;
  color: #B21F24;
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0,0,0,0.25), inset 0 0 0 4px #FFE599;
  margin-bottom: 2rem;
}

.envelope-domain-badge {
  position: absolute;
  bottom: 25px;
  background: rgba(40, 10, 12, 0.65);
  color: #FFE599;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 1.1rem;
  border-radius: 20px;
  letter-spacing: 1px;
}

/* Đồng xu bay xung quanh */
.coin-float {
  position: absolute;
  font-size: 1.5rem;
  pointer-events: none;
  animation: floatCoin 3s ease-in-out infinite alternate;
}
.coin-float.coin-1 { top: 10px; left: 5px; animation-delay: 0s; }
.coin-float.coin-2 { top: 40px; right: 10px; animation-delay: 0.7s; }
.coin-float.coin-3 { bottom: 60px; left: -10px; animation-delay: 1.4s; }
.coin-float.coin-4 { bottom: 30px; right: 0px; animation-delay: 2.1s; }

@keyframes floatCoin {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(-12px) scale(1.1); }
}

/* Modal Popup QR */
.banking-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(18, 38, 24, 0.75);
  backdrop-filter: blur(6px);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.banking-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.banking-modal-card {
  background: #EAF0E9;
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0,0,0,0.35);
  display: flex;
  flex-direction: column;
}

.banking-modal-header {
  background: var(--jade-dark);
  padding: 1.1rem 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.banking-modal-close-btn {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
}

.banking-modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.qr-modal-item {
  background: #fff;
  border-radius: 18px;
  padding: 1.4rem;
  text-align: center;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}

.qr-modal-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--jade-dark);
  margin-bottom: 1rem;
}

.qr-modal-img-wrap {
  background: #fff;
  padding: 0.5rem;
  border-radius: 12px;
  border: 1px solid #EAECEF;
  display: inline-block;
  margin-bottom: 0.8rem;
}

.qr-modal-img-wrap img {
  width: 160px;
  height: 160px;
  object-fit: contain;
}

/* ==========================================================================
   TỐI ƯU MÀU CHỮ RÕ NÉT & RESPONSIVE ĐIỆN THOẠI (MOBILE OPTIMIZATION)
   ========================================================================== */
#gallery, #location, #timeline, #wishes, #banking {
  color: var(--jade-dark);
}

.dark-jade-banner {
  color: #EAD8B1 !important;
  background: #1F3A25 !important;
}

@media (max-width: 640px) {
  .envelope-card {
    padding: 2.2rem 1.2rem 1.8rem;
  }
  .envelope-couple-names {
    font-size: 2.2rem;
  }
  .envelope-badge {
    font-size: 0.75rem;
    padding: 0.35rem 1rem;
  }
  .banking-red-envelope-authentic {
    width: 230px;
    height: 330px;
  }
  .banking-modal-card {
    max-width: 94%;
  }
  .qr-modal-img-wrap img {
    width: 140px;
    height: 140px;
  }
}

/* Khóa tuyệt đối tràn ngang trên mọi thiết bị di động */
section, header, footer, .envelope-splash, .hero-section {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}