/* ============================================================
   MẪU 08: MINIMAL CHIC / SAVE THE DATE (CANVA CLONE)
   Design Tokens & Modern CSS Architecture
   ============================================================ */

/* --- Font Definitions (Local WOFF2 + Google Fonts Fallbacks) --- */
@font-face {
  font-family: 'Symphony Local';
  src: url('../fonts/symphony.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Quicksand Local';
  src: url('../fonts/quicksand.woff2') format('woff2');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Times MT Local';
  src: url('../fonts/times-mt.woff2') format('woff2');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Cooper BT Local';
  src: url('../fonts/cooper-bt.woff2') format('woff2');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Glacial Local';
  src: url('../fonts/glacial.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* --- Design Tokens --- */
:root {
  --color-bg-page: #f6f5f2;
  --color-bg-card: #ffffff;
  --color-bg-warm: #faf8f5;
  --color-bg-soft: #f2eee9;
  
  --color-text-primary: #635c5c;
  --color-text-dark: #2d2929;
  --color-text-muted: #8c8282;
  --color-text-light: #ab9f9f;

  --color-accent-gold: #c5a059;
  --color-accent-gold-hover: #b08d46;
  --color-line-dark: #635c5c;
  --color-line-soft: rgba(99, 92, 92, 0.2);

  --font-serif-display: 'Symphony Local', 'Playfair Display', 'Cormorant Garamond', Georgia, serif;
  --font-sans-main: 'Quicksand Local', 'Quicksand', 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-hotel-title: 'Times MT Local', 'Cinzel', 'Playfair Display', 'Times New Roman', serif;
  --font-cooper: 'Cooper BT Local', 'Fraunces', Georgia, serif;
  --font-text-body: 'Glacial Local', 'Quicksand', 'Plus Jakarta Sans', sans-serif;

  --max-width: 520px;
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.07);
  --shadow-floating: 0 8px 24px rgba(45, 41, 41, 0.16);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-smooth: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background-color: var(--color-bg-page);
}

body {
  font-family: var(--font-sans-main);
  background-color: var(--color-bg-page);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

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

button, input, textarea, select {
  font: inherit;
}

/* --- App Container (Editorial Magazine Frame) --- */
.page-container {
  max-width: var(--max-width);
  margin: 0 auto;
  background-color: var(--color-bg-card);
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.08);
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  padding-bottom: 76px;
}

/* --- Guest Greeting Banner (?to=) --- */
.guest-greeting-bar {
  background: linear-gradient(135deg, #f9f7f4 0%, #f0ebe4 100%);
  border-bottom: 1px solid var(--color-line-soft);
  padding: 11px 16px;
  text-align: center;
  font-size: 13.5px;
  color: var(--color-text-dark);
  display: block;
  animation: slideDown 0.5s ease-out;
}

.guest-greeting-bar.active {
  display: block;
}

.guest-greeting-bar strong {
  color: var(--color-accent-gold-hover);
  font-weight: 700;
  letter-spacing: 0.02em;
}

@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* --- Floating Music Player --- */
.music-toggle-btn {
  position: fixed;
  top: 18px;
  right: 18px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(99, 92, 92, 0.2);
  box-shadow: var(--shadow-floating);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  transition: var(--transition-smooth);
}

.music-toggle-btn:hover {
  transform: scale(1.08);
  background: #ffffff;
}

.music-toggle-btn svg {
  width: 22px;
  height: 22px;
  fill: var(--color-text-primary);
  transition: var(--transition-smooth);
}

.music-toggle-btn.is-playing svg {
  animation: discSpin 4s linear infinite;
  fill: var(--color-accent-gold);
}

.music-waves {
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-accent-gold);
  opacity: 0;
  pointer-events: none;
}

.music-toggle-btn.is-playing .music-waves {
  animation: ripple 2s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}

@keyframes discSpin {
  100% { transform: rotate(360deg); }
}

@keyframes ripple {
  0% { transform: scale(0.85); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ============================================================
   SECTION 1: HERO - SAVE THE DATE
   ============================================================ */
.section-hero {
  padding: 32px 24px 38px;
  position: relative;
  background-color: var(--color-bg-card);
}

/* Top Image: chú rể ôm cô dâu, lệch phải */
.hero-top-wrap {
  width: 80%;
  margin-left: auto;
  margin-right: 0;
  margin-bottom: 22px;
  position: relative;
}

.hero-img-box {
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: var(--shadow-card);
  cursor: zoom-in;
  transition: transform 0.4s ease;
}

.hero-img-box:hover {
  transform: translateY(-3px);
}

.hero-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-img-box:hover img {
  transform: scale(1.03);
}

/* Hero Typography */
.hero-typography {
  text-align: center;
  margin: 18px 0 28px;
}

.hero-save-date {
  font-family: var(--font-serif-display);
  font-size: clamp(42px, 12vw, 64px);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text-primary);
  line-height: 1.1;
  letter-spacing: 0.01em;
  margin-bottom: 6px;
}

.hero-couple-names {
  font-family: var(--font-sans-main);
  font-size: clamp(14.5px, 4.3vw, 19.5px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-primary);
  margin-top: 4px;
}

/* Bottom Image: Chân dung cô dâu chú rể, lệch trái */
.hero-bottom-wrap {
  width: 82%;
  margin-left: 0;
  margin-right: auto;
  margin-bottom: 26px;
  position: relative;
}

/* Hero Event Metadata */
.hero-event-info {
  text-align: center;
  padding: 8px 0 4px;
}

.hero-datetime {
  font-family: var(--font-sans-main);
  font-size: clamp(16px, 4.6vw, 22px);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.hero-venue-line {
  font-family: var(--font-sans-main);
  font-size: clamp(11.5px, 3.2vw, 13.5px);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --- Section Separator Line --- */
.section-divider {
  width: 60px;
  height: 1px;
  background-color: var(--color-line-soft);
  margin: 36px auto;
}

/* ============================================================
   SECTION 2: LỜI MỜI & KHỐI LỊCH (DATE BLOCK & TRIO GALLERY)
   ============================================================ */
.section-invite-date {
  padding: 44px 20px 36px;
  background-color: var(--color-bg-card);
  text-align: center;
}

.invite-lead-text {
  font-family: var(--font-sans-main);
  font-size: clamp(14px, 3.8vw, 16.5px);
  color: var(--color-text-primary);
  font-weight: 500;
  line-height: 1.7;
  max-width: 420px;
  margin: 0 auto 12px;
}

.invite-time-highlight {
  font-family: var(--font-sans-main);
  font-size: clamp(17px, 4.8vw, 22px);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text-primary);
  margin-bottom: 24px;
}

/* Lịch ngày số lớn */
.calendar-banner {
  max-width: 390px;
  margin: 0 auto 28px;
  border-top: 1.2px solid var(--color-line-dark);
  border-bottom: 1.2px solid var(--color-line-dark);
  padding: 14px 10px;
  display: flex;
  align-items: center;
  justify-content: space-around;
}

.calendar-side-col {
  font-family: var(--font-sans-main);
  font-size: clamp(15px, 4vw, 19px);
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: 0.08em;
  flex: 1;
}

.calendar-day-hero {
  font-family: var(--font-sans-main);
  font-size: clamp(44px, 13vw, 76px);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 0.95;
  flex: 1.4;
  text-align: center;
  white-space: nowrap;
}

/* ============================================================
   KHỐI LỊCH THÁNG ÂM - DƯƠNG (SWEET LOVE CALENDAR)
   ============================================================ */
.calendar-month-card {
  max-width: 440px;
  margin: 0 auto 34px;
  background: #ffffff;
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-md);
  padding: 24px 18px 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  position: relative;
}

.cal-month-header {
  text-align: center;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--color-line-soft);
}

.cal-month-badge {
  display: inline-block;
  font-family: var(--font-sans-main);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  margin-bottom: 4px;
}

.cal-month-title {
  font-family: var(--font-serif-display);
  font-size: clamp(20px, 5.2vw, 24px);
  font-weight: 600;
  color: var(--color-text-dark);
  letter-spacing: 0.04em;
  line-height: 1.2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.cal-month-vn {
  color: var(--color-text-dark);
}

.cal-month-sep {
  color: var(--color-accent-gold);
  font-weight: 300;
}

.cal-month-en {
  font-family: var(--font-sans-main);
  font-size: clamp(13px, 3.4vw, 15px);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.cal-month-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 2px 4px;
  margin: 0 auto;
  table-layout: fixed;
}

.cal-th {
  font-family: var(--font-sans-main);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-align: center;
  padding-bottom: 8px;
  text-transform: uppercase;
}

.cal-th-sun {
  color: var(--color-accent-gold-hover);
}

.cal-cell {
  text-align: center;
  vertical-align: middle;
  padding: 0;
  height: 48px;
}

.cal-cell-empty {
  visibility: hidden;
}

.cal-cell-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease;
}

.cal-cell:hover:not(.cal-cell-empty) .cal-cell-inner {
  background-color: var(--color-bg-warm);
}

.cal-solar {
  font-family: var(--font-sans-main);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-dark);
  line-height: 1.15;
}

.cal-lunar {
  font-family: var(--font-sans-main);
  font-size: 9.5px;
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-top: 1px;
}

.cal-col-sun .cal-solar {
  color: var(--color-accent-gold-hover);
  font-weight: 700;
}

/* Ô ngày cưới đặc biệt (Chủ nhật 31/05 Dương - 15/04 Âm) */
.cal-wedding-cell {
  position: relative;
}

.cal-wedding-badge {
  position: relative;
  width: 100%;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: default;
}

.cal-heart-svg {
  position: absolute;
  width: 44px;
  height: 46px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  fill: rgba(197, 160, 89, 0.12);
  stroke: var(--color-accent-gold);
  stroke-width: 1.5px;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
  filter: drop-shadow(0 2px 5px rgba(197, 160, 89, 0.25));
  transition: transform 0.3s ease;
}

.cal-wedding-badge:hover .cal-heart-svg {
  transform: translate(-50%, -50%) scale(1.08);
}

.cal-wedding-inner {
  position: relative;
  z-index: 2;
  transform: translateY(-2px);
}

.cal-solar-wedding {
  font-size: 15px;
  font-weight: 700;
  color: #855f1b;
  line-height: 1.1;
}

.cal-lunar-wedding {
  font-size: 9px;
  font-weight: 700;
  color: #855f1b;
  line-height: 1;
  margin-top: 1px;
}

/* Dòng ghi chú trang trọng ngày cưới */
.cal-month-note {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--color-line-soft);
  text-align: center;
}

.cal-note-heart {
  width: 14px;
  height: 14px;
  fill: var(--color-accent-gold);
  flex-shrink: 0;
}

.cal-note-text {
  font-family: var(--font-sans-main);
  font-size: clamp(12px, 3.2vw, 13px);
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.cal-note-lunar {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.96em;
}

@media (max-width: 420px) {
  .calendar-month-card {
    padding: 18px 10px 16px;
    margin: 0 auto 28px;
  }
  .cal-cell {
    height: 44px;
  }
  .cal-wedding-badge {
    height: 44px;
  }
  .cal-heart-svg {
    width: 41px;
    height: 43px;
  }
  .cal-solar {
    font-size: 14px;
  }
  .cal-lunar {
    font-size: 9px;
  }
}

/* Trio Gallery (3 ảnh ngang song song) */
.trio-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 16px;
}

.trio-item {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 3px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.06);
  cursor: zoom-in;
}

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

.trio-item:hover img {
  transform: scale(1.05);
}

/* ============================================================
   SECTION: THÔNG TIN HAI HỌ (FAMILY INFORMATION)
   ============================================================ */
.section-family {
  padding: 34px 20px 28px;
  background-color: var(--color-bg-card);
  text-align: center;
}

.family-header {
  margin-bottom: 22px;
}

.family-sub-title {
  display: block;
  font-family: var(--font-sans-main);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  margin-bottom: 4px;
}

.family-main-title {
  font-family: var(--font-hotel-title);
  font-size: clamp(19px, 5vw, 24px);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-text-dark);
}

.family-divider-leaf {
  color: var(--color-accent-gold);
  font-size: 14px;
  margin-top: 4px;
}

.family-cards-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}

.family-side-card {
  background: var(--color-bg-warm);
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-md);
  padding: 16px 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.family-badge {
  display: inline-block;
  align-self: center;
  font-family: var(--font-sans-main);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--color-accent-gold);
  background: rgba(197, 160, 89, 0.14);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}

.family-parents {
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--color-text-dark);
  line-height: 1.45;
}

.parent-item {
  margin-bottom: 3px;
}

.parent-item strong {
  color: var(--color-text-muted);
  font-weight: 600;
}

.family-address {
  font-size: 11.5px;
  color: var(--color-text-muted);
  line-height: 1.35;
  margin-bottom: 10px;
}

.family-child-role {
  padding-top: 8px;
  border-top: 1px dashed var(--color-line-soft);
  margin-top: auto;
}

.role-lbl {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-muted);
  display: block;
}

.role-name {
  font-family: var(--font-sans-main);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-dark);
  letter-spacing: 0.02em;
}

/* ============================================================
   SECTION 3: ĐỊA ĐIỂM TIỆC CƯỚI & LỄ THÀNH HÔN (VENUE & EVENTS)
   ============================================================ */
.section-venue {
  padding: 34px 20px 38px;
  background-color: var(--color-bg-card);
  text-align: center;
}

.venue-events-wrap {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 24px;
}

.venue-card {
  background: var(--color-bg-warm);
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-md);
  padding: 22px 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}

.venue-badge-pill {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  background: rgba(197, 160, 89, 0.14);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}

.venue-card.ceremony-card .venue-badge-pill {
  color: #7d591b;
  background: rgba(125, 89, 27, 0.12);
}

.venue-hotel-name,
.venue-ceremony-title {
  font-family: var(--font-hotel-title);
  font-size: clamp(18px, 5.2vw, 24px);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-dark);
  margin-bottom: 8px;
  line-height: 1.3;
}

.venue-event-datetime {
  font-family: var(--font-sans-main);
  font-size: 13.5px;
  color: var(--color-text-dark);
  margin-bottom: 8px;
  line-height: 1.45;
}

.event-time-bold {
  font-weight: 700;
  color: var(--color-accent-gold-hover);
  font-size: 15.5px;
}

.event-lunar-sub {
  font-size: 11.5px;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 2px;
}

.venue-address-detail {
  font-family: var(--font-sans-main);
  font-size: 12.5px;
  color: var(--color-text-muted);
  max-width: 380px;
  margin: 0 auto;
  line-height: 1.45;
}

.btn-map-guide {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
  padding: 9px 18px;
  background-color: var(--color-text-primary);
  color: #ffffff;
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(99, 92, 92, 0.2);
  transition: var(--transition-smooth);
}

.btn-map-guide:hover {
  background-color: var(--color-accent-gold);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(197, 160, 89, 0.35);
}

.btn-map-guide svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

/* Duo Gallery (2 ảnh song song) */
.duo-gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 26px;
}

.duo-item {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: var(--shadow-card);
  cursor: zoom-in;
}

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

.duo-item:hover img {
  transform: scale(1.04);
}

/* ============================================================
   SECTION 4: CÔ DÂU & CHÚ RỂ (PORTRAIT GALLERY)
   ============================================================ */
.section-portraits {
  padding: 36px 20px 40px;
  background-color: var(--color-bg-card);
  text-align: center;
}

.portraits-title-line {
  font-family: var(--font-sans-main);
  font-size: clamp(14px, 4vw, 17px);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text-primary);
  margin-bottom: 28px;
}

.portraits-stack {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.portrait-item {
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: var(--shadow-card);
  cursor: zoom-in;
}

.portrait-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.portrait-item:hover img {
  transform: scale(1.03);
}

/* ============================================================
   SECTION 5: LỜI CẢM ƠN (THANK YOU NOTE)
   ============================================================ */
.section-thank-you {
  padding: 44px 24px 36px;
  background-color: var(--color-bg-card);
  text-align: center;
}

.thank-you-heading {
  font-family: var(--font-cooper);
  font-size: clamp(30px, 8.5vw, 42px);
  font-weight: 400;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.thank-you-body {
  font-family: var(--font-text-body);
  font-size: clamp(14px, 3.8vw, 16px);
  color: var(--color-text-primary);
  line-height: 1.8;
  max-width: 440px;
  margin: 0 auto;
}

/* ============================================================
   INTERACTIVE ACTION BUTTONS BAR
   ============================================================ */
.section-actions {
  padding: 24px 20px 40px;
  background: var(--color-bg-warm);
  border-top: 1px solid var(--color-line-soft);
  text-align: center;
}

.actions-title {
  font-family: var(--font-sans-main);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

.action-buttons-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 360px;
  margin: 0 auto;
}

.btn-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 20px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: none;
  transition: var(--transition-smooth);
  text-decoration: none;
}

.btn-action.btn-primary {
  background-color: var(--color-text-primary);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 92, 92, 0.25);
}

.btn-action.btn-primary:hover {
  background-color: var(--color-text-dark);
  transform: translateY(-2px);
}

.btn-action.btn-secondary {
  background-color: #ffffff;
  color: var(--color-text-primary);
  border: 1.2px solid var(--color-line-dark);
}

.btn-action.btn-secondary:hover {
  background-color: var(--color-bg-soft);
  transform: translateY(-2px);
}

.btn-action.btn-accent {
  background-color: #ffffff;
  color: #a07828;
  border: 1.2px solid #dfc488;
}

.btn-action.btn-accent:hover {
  background-color: #fdfaf3;
  transform: translateY(-2px);
}

.btn-action svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* --- Quick Floating Bottom Bar --- */
.quick-floating-bar {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: auto;
  min-width: 220px;
  max-width: 320px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(99, 92, 92, 0.18);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  border-radius: var(--radius-full);
  padding: 6px 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.quick-bar-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 13.5px;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.quick-bar-btn:hover {
  background: rgba(99, 92, 92, 0.08);
}

.quick-bar-btn.primary-pill {
  background: var(--color-text-primary);
  color: #ffffff;
}

.quick-bar-btn.primary-pill:hover {
  background: var(--color-text-dark);
  transform: translateY(-1px);
}

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

/* ============================================================
   MODALS (RSVP, WISHES, GIFT, LIGHTBOX)
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(45, 41, 41, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal-dialog {
  background: #ffffff;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 460px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  position: relative;
  transform: translateY(20px) scale(0.96);
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  padding: 28px 24px 24px;
}

.modal-overlay.active .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: #f4f2ee;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  background: #e6e2db;
  color: var(--color-text-dark);
}

.modal-close-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.modal-header {
  text-align: center;
  margin-bottom: 22px;
}

.modal-title {
  font-family: var(--font-sans-main);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-dark);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.modal-subtitle {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* Modal Tab Styles (Mừng cưới) */
.tab-header {
  display: flex;
  border-bottom: 1.5px solid #ece7df;
  margin-bottom: 20px;
}

.tab-btn {
  flex: 1;
  padding: 12px 10px;
  border: none;
  background: transparent;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  position: relative;
  transition: var(--transition-smooth);
}

.tab-btn.active {
  color: var(--color-text-dark);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1.5px;
  left: 15%;
  right: 15%;
  height: 2.5px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
}

.tab-pane {
  display: none;
  text-align: center;
  animation: fadeIn 0.3s ease;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.bank-qr-box {
  width: 200px;
  margin: 0 auto 16px;
  padding: 8px;
  background: #ffffff;
  border: 1px solid #e8e3dc;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(0,0,0,0.05);
}

.bank-info-table {
  background: var(--color-bg-warm);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 16px;
  font-size: 13.5px;
  text-align: left;
}

.bank-info-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}

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

.bank-info-lbl {
  color: var(--color-text-muted);
}

.bank-info-val {
  font-weight: 700;
  color: var(--color-text-dark);
}

.btn-copy-stk {
  width: 100%;
  padding: 11px;
  border-radius: var(--radius-sm);
  background: var(--color-text-primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 13.5px;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-smooth);
}

.btn-copy-stk:hover {
  background: var(--color-text-dark);
}

/* Lightbox Modal */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 12, 12, 0.95);
  z-index: 20000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  user-select: none;
}

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

.lightbox-img-wrap {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  animation: zoomLight 0.3s ease;
}

@keyframes zoomLight {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.lightbox-nav-btn:hover {
  background: rgba(255, 255, 255, 0.35);
}

.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.4);
}

/* Toast Message */
.toast-notice {
  position: fixed;
  bottom: 84px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(45, 41, 41, 0.92);
  color: #ffffff;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 13.5px;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
  z-index: 30000;
  white-space: nowrap;
}

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

/* Footer Copyright Note */
.page-footer-note {
  text-align: center;
  padding: 24px 16px 36px;
  font-size: 11.5px;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  border-top: 1px solid var(--color-line-soft);
  background: var(--color-bg-card);
}

/* ============================================================
   RESPONSIVE REFINEMENTS
   ============================================================ */
@media (max-width: 480px) {
  .section-hero {
    padding: 24px 16px 32px;
  }
  .hero-top-wrap {
    width: 82%;
  }
  .hero-bottom-wrap {
    width: 86%;
  }
  .hero-save-date {
    font-size: clamp(38px, 14vw, 54px);
  }
  .calendar-day-hero {
    font-size: clamp(40px, 12vw, 64px);
  }
  .family-cards-wrap {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .trio-gallery-grid {
    gap: 6px;
  }
  .duo-gallery-grid {
    gap: 8px;
  }
  .quick-floating-bar {
    padding: 5px 8px;
    bottom: 12px;
    min-width: 190px;
  }
  .quick-bar-btn {
    font-size: 13px;
    padding: 9px 18px;
  }
  .lightbox-nav-btn {
    width: 38px;
    height: 38px;
  }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
}

@media (min-width: 1024px) {
  .page-container {
    margin-top: 24px;
    margin-bottom: 24px;
    border-radius: var(--radius-md);
  }
}