/* ==========================================================================
   KAT JEWELRY - TRANG SỨC NHẪN BẠC MIDI RING (LUXURY SAPPHIRE BLUE STYLE)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #0f3d62;          /* Royal Navy Sapphire */
  --primary-hover: #174e7a;
  --primary-light: #1e5b8d;
  --primary-subtle: #ebf5fa;
  --primary-soft: #f2f8fc;
  
  --accent-gold: #d4af37;      /* Luxury Gold Accent */
  --accent-gold-soft: #fcf6e8;
  --accent-blue: #38a9d1;      /* Bright Cyan Ocean */
  --silver-bright: #f8fafc;
  --silver-border: #e2e8f0;
  
  --dark-navy: #082035;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --bg-body: #ffffff;
  --bg-surface: #f8fafc;
  --bg-card: #ffffff;
  
  --shadow-sm: 0 2px 8px rgba(15, 61, 98, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 61, 98, 0.09);
  --shadow-lg: 0 16px 36px rgba(15, 61, 98, 0.14);
  --shadow-hover: 0 12px 30px rgba(15, 61, 98, 0.16);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

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

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

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   TOP BAR & HEADER
   ========================================================================== */
.top-announcement {
  background: linear-gradient(90deg, #082035 0%, #0f3d62 50%, #082035 100%);
  color: #ffffff;
  font-size: 13px;
  padding: 8px 0;
  text-align: center;
  letter-spacing: 0.5px;
  font-weight: 500;
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}

.top-announcement .highlight {
  color: var(--accent-gold);
  font-weight: 700;
}

.main-header {
  background: #ffffff;
  border-bottom: 1px solid var(--silver-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.logo-wrap .logo-text {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 2.5px;
  line-height: 1;
}

.logo-wrap .logo-tagline {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-gold);
  font-weight: 600;
  margin-top: 3px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--dark-navy);
  padding: 8px 0;
  position: relative;
  letter-spacing: 0.3px;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.badge-hot {
  background: #e85d26;
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  margin-left: 4px;
  text-transform: uppercase;
  vertical-align: middle;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-primary-blue {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #ffffff;
  border: 1px solid var(--primary);
  box-shadow: 0 4px 14px rgba(15, 61, 98, 0.25);
}

.btn-primary-blue:hover {
  background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary) 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(15, 61, 98, 0.35);
  color: #ffffff;
}

.btn-outline-blue {
  background: #ffffff;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-outline-blue:hover {
  background: var(--primary-subtle);
  color: var(--primary);
}

.cart-icon-btn {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-subtle);
  color: var(--primary);
  font-size: 20px;
}

.cart-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background: #e85d26;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
}

/* ==========================================================================
   HERO BANNER
   ========================================================================== */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #09263e 0%, #0f3d62 50%, #1a5b8c 100%);
  color: #ffffff;
  padding: 70px 0 80px;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 50px;
  position: relative;
  z-index: 2;
}

.hero-subtitle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-gold);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 46px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #ffffff;
}

.hero-title .highlight-gold {
  color: #f1d582;
  font-style: italic;
}

.hero-desc {
  font-size: 16px;
  line-height: 1.7;
  color: #d8e6f3;
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-item .stat-number {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: #ffffff;
}

.stat-item .stat-label {
  font-size: 12px;
  color: #a7c5df;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-image-wrap {
  position: relative;
}

.hero-main-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: 24px;
  border: 4px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.hero-floating-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  color: var(--dark-navy);
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid rgba(212, 175, 55, 0.3);
  animation: floatCard 4s ease-in-out infinite;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero-floating-card .card-icon {
  font-size: 28px;
  background: var(--primary-subtle);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   VALUE PROPS BAR
   ========================================================================== */
.value-props-bar {
  background: var(--primary-soft);
  border-bottom: 1px solid var(--silver-border);
  padding: 24px 0;
}

.props-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.prop-card {
  display: flex;
  align-items: center;
  gap: 14px;
}

.prop-icon {
  font-size: 28px;
  width: 52px;
  height: 52px;
  background: #ffffff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  color: var(--primary);
  flex-shrink: 0;
}

.prop-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--dark-navy);
  margin-bottom: 2px;
}

.prop-desc {
  font-size: 12px;
  color: var(--text-muted);
}

/* ==========================================================================
   SECTION HEADERS
   ========================================================================== */
.section-padding {
  padding: 70px 0;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 45px;
}

.section-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary);
  background: var(--primary-subtle);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 700;
  color: var(--dark-navy);
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   MIDI RING SPOTLIGHT BANNER
   ========================================================================== */
.spotlight-banner {
  background: linear-gradient(135deg, #e8f4fa 0%, #f4f9fd 100%);
  border: 1px solid #d0e7f5;
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
}

.spotlight-text h3 {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 14px;
}

.spotlight-text p {
  font-size: 14.5px;
  color: #334155;
  margin-bottom: 14px;
  line-height: 1.7;
}

.spotlight-img {
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  width: 100%;
  height: 280px;
  object-fit: cover;
}

/* ==========================================================================
   CATEGORY TABS & PILLS
   ========================================================================== */
.category-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.cat-pill-btn {
  background: #ffffff;
  border: 1px solid var(--silver-border);
  color: var(--text-main);
  padding: 9px 20px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.cat-pill-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.cat-pill-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(15, 61, 98, 0.25);
}

/* ==========================================================================
   PRODUCT CARDS GRID
   ========================================================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  background: #ffffff;
  border: 1px solid var(--silver-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: #b8daf0;
  box-shadow: var(--shadow-hover);
}

.product-img-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  background: #f8fafc;
  overflow: hidden;
}

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

.product-card:hover .product-img-wrap img {
  transform: scale(1.06);
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  z-index: 2;
  letter-spacing: 0.3px;
}

.product-discount-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #dc2626;
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  z-index: 2;
}

.product-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-cat-name {
  font-size: 11.5px;
  color: var(--primary-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.product-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark-navy);
  line-height: 1.4;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 42px;
}

.product-title:hover {
  color: var(--primary);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: #f59e0b;
  margin-bottom: 12px;
}

.product-rating .count {
  color: var(--text-muted);
  font-size: 11px;
  margin-left: 4px;
}

.product-price-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: auto;
  margin-bottom: 14px;
}

.price-current {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
}

.price-old {
  font-size: 13px;
  color: #94a3b8;
  text-decoration: line-through;
}

.product-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.btn-card-buy {
  background: var(--primary);
  color: #ffffff;
  border: none;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.btn-card-buy:hover {
  background: var(--primary-hover);
  color: #ffffff;
}

.btn-card-detail {
  background: var(--primary-subtle);
  color: var(--primary);
  border: 1px solid #c2e0f2;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.btn-card-detail:hover {
  background: #dbeef7;
}

/* ==========================================================================
   SIZE CALCULATOR / MODAL
   ========================================================================== */
.size-banner-wrap {
  background: linear-gradient(135deg, #09263e 0%, #0f3d62 100%);
  border-radius: 24px;
  padding: 50px;
  color: #ffffff;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 40px;
  position: relative;
  overflow: hidden;
}

.size-banner-wrap::after {
  content: '💍';
  position: absolute;
  right: 20px;
  bottom: -30px;
  font-size: 160px;
  opacity: 0.08;
  pointer-events: none;
}

.size-banner-title {
  font-family: var(--font-serif);
  font-size: 32px;
  margin-bottom: 12px;
}

.size-banner-desc {
  font-size: 15px;
  color: #d1e4f4;
  line-height: 1.7;
  margin-bottom: 24px;
}

/* ==========================================================================
   INTERACTIVE SIZE MODAL
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 32, 53, 0.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.show {
  display: flex;
}

.modal-content {
  background: #ffffff;
  border-radius: 20px;
  max-width: 650px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  animation: modalFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: #f1f5f9;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #475569;
}

.size-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  font-size: 13.5px;
}

.size-table th {
  background: var(--primary-subtle);
  color: var(--primary);
  padding: 12px;
  text-align: left;
  font-weight: 700;
  border-bottom: 2px solid #b8daf0;
}

.size-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #f1f5f9;
}

.size-table tr:hover td {
  background: var(--primary-soft);
}

/* ==========================================================================
   PRODUCT DETAIL PAGE
   ========================================================================== */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-bottom: 60px;
}

.gallery-main-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--silver-border);
  box-shadow: var(--shadow-sm);
}

.gallery-thumbs {
  display: flex;
  gap: 12px;
  margin-top: 14px;
}

.thumb-item {
  width: 76px;
  height: 76px;
  border-radius: 10px;
  border: 2px solid var(--silver-border);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s ease;
}

.thumb-item.active, .thumb-item:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-sku {
  font-size: 12.5px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 6px;
}

.detail-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--dark-navy);
  margin-bottom: 12px;
}

.detail-price-box {
  background: var(--primary-soft);
  border: 1px solid #cce4f5;
  padding: 16px 20px;
  border-radius: 12px;
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.detail-price-current {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
}

.detail-price-old {
  font-size: 16px;
  color: #94a3b8;
  text-decoration: line-through;
}

.size-selector-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--dark-navy);
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.size-guide-link {
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
}

.size-chips-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.size-chip {
  padding: 8px 18px;
  border: 1px solid var(--silver-border);
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  background: #ffffff;
  transition: all 0.2s ease;
}

.size-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.size-chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.qty-buy-group {
  display: flex;
  gap: 14px;
  margin-bottom: 30px;
}

.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--silver-border);
  border-radius: var(--radius-sm);
  background: #ffffff;
}

.qty-btn {
  width: 38px;
  height: 44px;
  border: none;
  background: transparent;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  color: var(--primary);
}

.qty-input {
  width: 44px;
  height: 44px;
  border: none;
  text-align: center;
  font-size: 15px;
  font-weight: 700;
  color: var(--dark-navy);
}

.btn-add-cart {
  flex: 1;
  background: var(--primary-subtle);
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-add-cart:hover {
  background: #d3eaf7;
}

.btn-buy-now {
  flex: 1.2;
  background: var(--primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 14px rgba(15, 61, 98, 0.3);
}

.btn-buy-now:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
}

/* ==========================================================================
   CHECKOUT PAGE & VIETQR
   ========================================================================== */
.checkout-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  margin: 40px 0 80px;
}

.checkout-box {
  background: #ffffff;
  border: 1px solid var(--silver-border);
  border-radius: 16px;
  padding: 30px;
  box-shadow: var(--shadow-sm);
}

.checkout-box-title {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--silver-border);
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--dark-navy);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--silver-border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-main);
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 61, 98, 0.12);
}

.payment-method-card {
  border: 2px solid var(--silver-border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 14px;
}

.payment-method-card.selected {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.qr-box-wrap {
  background: #ffffff;
  border: 2px dashed #b8daf0;
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  margin-top: 20px;
}

.qr-img {
  width: 220px;
  height: 220px;
  margin: 0 auto 16px;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
  background: #082035;
  color: #cbd5e1;
  padding: 60px 0 30px;
  border-top: 3px solid var(--accent-gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col-title {
  font-family: var(--font-serif);
  font-size: 17px;
  color: #ffffff;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a:hover {
  color: #f1d582;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: #94a3b8;
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #082035;
  color: #ffffff;
  padding: 14px 22px;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border-left: 4px solid var(--accent-gold);
  font-size: 14px;
}

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

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; }
  .spotlight-banner { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .props-grid { grid-template-columns: repeat(2, 1fr); }
  .size-banner-wrap { grid-template-columns: 1fr; }
  .product-detail-grid { grid-template-columns: 1fr; }
  .checkout-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-menu { display: none; }
}

@media (max-width: 576px) {
  .products-grid { grid-template-columns: 1fr; }
  .props-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 32px; }
  .footer-grid { grid-template-columns: 1fr; }
  .product-actions { grid-template-columns: 1fr; }
}