/* =====================================================================
   Blue Fairy Laila — Luxury Fashion Design System
   Brand Palette:
   - White: #FFFFFF
   - Black: #171717
   - Luxury Gold: #C5A253
   - Ivory: #F8F6F0
   - Neutral Grey: #6B6B6B
   ===================================================================== */

:root {
  --bfl-black: #171717;
  --bfl-gold: #C5A253;
  --bfl-gold-light: #dfc88b;
  --bfl-gold-dark: #9e7f34;
  --bfl-ivory: #F8F6F0;
  --bfl-white: #FFFFFF;
  --bfl-grey: #6B6B6B;
  --bfl-border: #E8E5DD;
  --bfl-border-dark: #2A2A2A;
  --font-serif: "Cormorant Garamond", Georgia, serif;
  --font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius: 4px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 10px 30px rgba(0,0,0,0.08);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bfl-white);
  color: var(--bfl-black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, .serif {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--bfl-black);
}

.gold-text {
  color: var(--bfl-gold);
}

/* Top Announcement Bar */
.top-bar {
  background: var(--bfl-black);
  color: var(--bfl-ivory);
  font-size: 12px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 8px 0;
  text-align: center;
  border-bottom: 1px solid var(--bfl-border-dark);
}
.top-bar a {
  color: var(--bfl-gold);
  margin-left: 10px;
  text-decoration: underline;
}

/* Header */
.main-header {
  background: var(--bfl-white);
  border-bottom: 1px solid var(--bfl-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}
.header-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}
.brand-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.brand-logo-title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--bfl-black);
  text-transform: uppercase;
  line-height: 1.1;
}
.brand-logo-subtitle {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--bfl-gold);
}

/* Navigation */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-link {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--bfl-black);
  position: relative;
  padding: 6px 0;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--bfl-gold);
  transition: width 0.25s ease;
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

/* Header Utilities */
.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}
.action-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--bfl-black);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
}
.badge-count {
  position: absolute;
  top: 0;
  right: -2px;
  background: var(--bfl-gold);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}
.btn-gold {
  background: var(--bfl-gold);
  color: #fff;
}
.btn-gold:hover {
  background: var(--bfl-gold-dark);
}
.btn-dark {
  background: var(--bfl-black);
  color: #fff;
}
.btn-dark:hover {
  background: var(--bfl-gold);
  color: #fff;
}
.btn-outline {
  background: transparent;
  border-color: var(--bfl-black);
  color: var(--bfl-black);
}
.btn-outline:hover {
  background: var(--bfl-black);
  color: #fff;
}
.btn-sm {
  padding: 8px 16px;
  font-size: 11px;
}
.btn-block {
  width: 100%;
}

/* Hero Carousel */
.hero-banner {
  position: relative;
  height: 580px;
  background: var(--bfl-black);
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  filter: brightness(0.9);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 650px;
}
.hero-eyebrow {
  color: var(--bfl-gold);
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}
.hero-title {
  font-size: 52px;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 18px;
}
.hero-desc {
  font-size: 16px;
  color: #E0E0E0;
  margin-bottom: 28px;
}

/* Grid Systems: Desktop 4 cards / Mobile 2 cards */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* Product Card */
.product-card {
  background: #fff;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
}
.product-image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: var(--bfl-ivory);
}
.product-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .product-image-wrap img {
  transform: scale(1.05);
}
.badge-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--bfl-black);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 8px;
}
.badge-sale {
  background: var(--bfl-gold);
}
.product-info {
  padding: 16px 4px 8px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.product-cat {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--bfl-grey);
  margin-bottom: 4px;
}
.product-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--bfl-black);
  margin-bottom: 8px;
  line-height: 1.3;
}
.product-price {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--bfl-black);
  margin-top: auto;
}
.product-old-price {
  font-size: 14px;
  color: var(--bfl-grey);
  text-decoration: line-through;
  font-weight: 400;
}

/* Section Title */
.section-header {
  text-align: center;
  margin-bottom: 45px;
}
.section-subtitle {
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--bfl-gold);
  margin-bottom: 8px;
  display: block;
}
.section-title {
  font-size: 38px;
  color: var(--bfl-black);
}

/* Category Card */
.category-card {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--bfl-black);
}
.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  transition: transform 0.5s ease, opacity 0.5s ease;
}
.category-card:hover img {
  transform: scale(1.08);
  opacity: 0.65;
}
.category-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 60%);
  color: #fff;
}
.category-name {
  font-size: 24px;
  color: #fff;
  margin-bottom: 4px;
}
.category-count {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--bfl-gold);
  text-transform: uppercase;
}

/* Trust Badges Bar */
.trust-bar {
  background: var(--bfl-ivory);
  padding: 40px 0;
  border-top: 1px solid var(--bfl-border);
  border-bottom: 1px solid var(--bfl-border);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.trust-item h4 {
  font-size: 18px;
  margin-bottom: 6px;
}
.trust-item p {
  font-size: 13px;
  color: var(--bfl-grey);
}

/* Footer */
.main-footer {
  background: var(--bfl-black);
  color: #A0A0A0;
  padding: 60px 0 20px;
  border-top: 3px solid var(--bfl-gold);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}
.footer-title {
  color: #fff;
  font-size: 18px;
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  font-size: 13px;
  color: #C0C0C0;
}
.footer-links a:hover {
  color: var(--bfl-gold);
}
.footer-bottom {
  border-top: 1px solid var(--bfl-border-dark);
  padding-top: 25px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
}

/* Flash Messages */
.alert {
  padding: 14px 20px;
  border-radius: var(--radius);
  margin-bottom: 25px;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.alert-success { background: #E8F5E9; color: #2E7D32; border: 1px solid #C8E6C9; }
.alert-error { background: #FFEBEE; color: #C62828; border: 1px solid #FFCDD2; }
.alert-info { background: #E3F2FD; color: #1565C0; border: 1px solid #BBDEFB; }

/* Responsive adjustments */
@media (max-width: 992px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  /* Requirement: Mobile layout: two product cards per row */
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .hero-title {
    font-size: 34px;
  }
  .hero-banner {
    height: 440px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}