/* ==========================================================================
   RESET & BIẾN MÀU THEO YÊU CẦU THIẾT KẾ
   ========================================================================== */
:root {
  --color-pink-1: #e69588;
  --color-pink-2: #e4bab4;
  --color-blue-1: #2d82b5;
  --color-blue-2: #77adcd;
  --color-text-title: #d9786a;
  --color-white: #ffffff;
  --bg-page: #ffffff;
  --radius-card: 16px;
  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
  font-family: 'Montserrat', sans-serif;
  background-color: var(--bg-page);
  color: #333333;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

/* Tinh chỉnh biểu tượng Google Material Symbols */
.material-symbols-outlined {
  font-size: 20px;          /* Chỉnh to/nhỏ tùy ý (mặc định của Google là 24px) */
  vertical-align: middle;   /* Căn giữa đều hàng ngang với chữ đi kèm */
  display: inline-block;
  line-height: 1;
}

/* Khung bọc trung tâm: Mobile 480px, PC ngang 960px đồng bộ trang chủ */
.wedding-wrapper {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 14px 60px 14px;
}

@media (min-width: 768px) {
  .wedding-wrapper {
    max-width: 960px;
    padding: 36px 20px 80px 20px;
  }
}

/* ==================== PHẦN 1: TIÊU ĐỀ & MIÊU TẢ ==================== */
.section-header {
  text-align: center;
  margin-bottom: 24px;
}

.main-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text-title);
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.description {
  font-size: 0.82rem;
  font-weight: 500;
  color: #c78378;
  line-height: 1.45;
}

/* ==================== PHẦN 2: 6 CARD BẢNG GIÁ ==================== */
.section-pricing {
  margin-bottom: 24px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr; /* Mặc định mobile dọc: 1 cột */
  gap: 12px;
}

/* Khi màn hình ngang / tablet / PC: trở thành 2 cột */
@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

.price-card {
  border-radius: var(--radius-card);
  padding: 14px 18px;
  color: var(--color-white);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.04);
}

.price-card:hover, .price-card:active {
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
}

.card-name {
  font-size: 0.96rem;
  font-weight: 800;
  margin-bottom: 6px;
  line-height: 1.35;
  text-transform: uppercase;
}

.card-desc {
  font-size: 0.82rem;
  line-height: 1.45;
  font-weight: 500;
  opacity: 0.95;
}

/* Màu Gradient 2 card đầu */
.card-gradient-pink {
  background: linear-gradient(135deg, var(--color-pink-1) 0%, var(--color-pink-2) 100%);
}

/* Màu Gradient 2 card giữa */
.card-gradient-blue {
  background: linear-gradient(135deg, var(--color-blue-1) 0%, var(--color-blue-2) 100%);
}

/* Card 5 (Combo) */
.card-gradient-combo {
  background: linear-gradient(135deg, #e3968c 0%, #ebb4ad 100%);
}

/* Card 6: Viền hồng nền trắng theo hình mẫu */
.card-outline-note {
  background-color: #ffffff;
  border: 1.5px solid #ebb4ad;
  color: #df7b6f;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.card-outline-note .note-content p {
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.5;
}

/* ==================== PHẦN 3: NÚT LIÊN HỆ ĐẶT LỊCH ==================== */
.section-cta {
  display: flex;
  justify-content: center;
  margin: 18px 0 28px 0;
}

.btn-booking {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 320px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-blue-1) 0%, var(--color-blue-2) 100%);
  color: var(--color-white);
  font-size: 0.95rem;
  font-weight: 800;
  text-decoration: none;
  border-radius: 10px;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(45, 130, 181, 0.3);
  transition: var(--transition-smooth);
}

.btn-booking:hover, .btn-booking:active {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(45, 130, 181, 0.45);
  filter: brightness(1.06);
}

/* ==================== PHẦN 4: CÂU HỎI THƯỜNG GẶP ==================== */
.section-faq {
  margin-bottom: 35px;

}

.faq-heading {
  text-align: center;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-blue-1);
  margin-bottom: 14px;
  text-transform: uppercase;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  border: 1px solid #c2dced;
  border-radius: 6px;
  overflow: hidden;
  background: #ffffff;
  transition: var(--transition-smooth);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 10px 14px;
  text-align: left;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-blue-1);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  transition: background-color 0.2s ease;
}

.faq-question:hover {
  background-color: #f4f9fd;
}

.faq-icon {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-blue-1);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.25, 1, 0.5, 1);
  background: #fafcfe;
}

.faq-answer p {
  padding: 10px 14px 12px 14px;
  font-size: 0.85rem;
  line-height: 1.45;
  color: #df7b6f;
  font-weight: 500;
}

/* ==================== PHẦN 5: SHOW ẢNH GOOGLE DRIVE ==================== */
.section-gallery {
  margin-top: 20px;
  text-align: center;
}

.gallery-heading {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-pink-1);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.gallery-filter-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 18px;
}

.btn-filter {
  padding: 6px 18px;
  border-radius: 20px;
  border: 1.5px solid var(--color-pink-1);
  color: var(--color-pink-1);
  background-color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.btn-filter:hover, .btn-filter:active {
  background-color: var(--color-pink-1);
  color: #ffffff;
}

.gallery-status {
  font-size: 0.85rem;
  color: var(--color-pink-1);
  font-weight: 600;
  padding: 20px 0;
}

/* Quy tắc lưới ảnh: 3 cột trên Mobile dọc, 6 cột trên PC ngang */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  width: 100%;
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
  }
}

.gallery-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1; /* Chuẩn tỷ lệ vuông 1:1 */
  border-radius: 8px;
  overflow: hidden;
  background-color: #f5f5f5;
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.04);
  transition: transform 0.2s ease;
}

.gallery-thumb:hover {
  transform: scale(1.03);
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-thumb img.loaded {
  opacity: 1;
}

/* ==================== LIGHTBOX POPUP ==================== */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.82); /* Giảm độ sáng web nền */
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.lightbox-container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 16px;
}

.lb-image-wrapper {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 82vh;
  width: auto;
  height: auto;
  object-fit: contain; /* Giữ tỷ lệ gốc ảnh phóng to */
  border-radius: 6px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  user-select: none;
}

.lb-counter {
  margin-top: 8px;
  font-size: 0.8rem;
  color: #ffffff;
  font-weight: 600;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

.lb-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: #ffffff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.lb-nav-btn:hover {
  background: rgba(255, 255, 255, 0.4);
  transform: translateY(-50%) scale(1.1);
}

.lb-prev { left: 14px; }
.lb-next { right: 14px; }

@media (max-width: 767px) {
  .lb-prev { left: 8px; }
  .lb-next { right: 8px; }
}
.lightbox-container {
  /* ... giữ nguyên các thuộc tính cũ ... */
  cursor: pointer; /* Hiển thị con trỏ dạng click khi rê chuột ra ngoài ảnh */
}

.lb-image-wrapper {
  /* ... giữ nguyên các thuộc tính cũ ... */
  cursor: default; /* Rê chuột vào ảnh vẫn hiển thị bình thường */
}