/* Bandhan Store - Premium Fashion Website Styles */
/* Modern, Responsive, and Animated Design */

/* ==========================================
   1. CSS CUSTOM PROPERTIES & RESET
   ========================================== */

:root {
  /* Biba-Inspired Color Palette - Exact Match */
  --primary-color: #B91C1C;      /* Biba Red */
  --secondary-color: #7F1D1D;    /* Darker Biba Red */
  --accent-color: #DC2626;       /* Bright Red Accent */
  --gold-color: #F59E0B;         /* Warm Gold */
  --dark-color: #1F2937;         /* Clean Dark Gray */
  --light-color: #FFFFFF;        /* Pure White */
  --white: #FFFFFF;
  --gray-100: #F9FAFB;
  --gray-200: #F3F4F6;
  --gray-300: #E5E7EB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  /* Biba-Style Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  --gradient-luxury: linear-gradient(135deg, #B91C1C 0%, #7F1D1D 100%);
  --gradient-gold: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
  --gradient-dark:  linear-gradient(135deg, #B91C1C 0%, #7F1D1D 100%);
  --gradient-light: linear-gradient(135deg, #FFFFFF 0%, #F9FAFB 100%);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-script: 'Dancing Script', cursive;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  /* Borders */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-luxury: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-red: 0 4px 14px 0 rgb(185 28 28 / 0.15);
  --shadow-red-lg: 0 10px 25px -3px rgb(185 28 28 / 0.2);
  
  /* Biba-Style Smooth Transitions */
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-elegant: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

/* ==========================================
   2. TYPOGRAPHY & UTILITIES
   ========================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

.text-gradient {
  background: var(--gradient-luxury);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.hover-gold:hover {
  color: var(--gold-color) !important;
}

.bg-gradient {
  background: var(--gradient-primary);
}

.bg-luxury {
  background: var(--gradient-dark);
}

/* ==========================================
   3. PAGE LOADER
   ========================================== */

.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-luxury);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  z-index: 10000;
  transition: opacity 0.5s ease;
}

.loader-content {
  text-align: center;
  color: var(--white);
}

.luxury-spinner {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
}

.spinner-inner {
  position: absolute;
  border: 3px solid transparent;
  border-top: 3px solid var(--white);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.spinner-inner:nth-child(1) {
  width: 80px;
  height: 80px;
  animation-duration: 1s;
}

.spinner-inner:nth-child(2) {
  width: 60px;
  height: 60px;
  top: 10px;
  left: 10px;
  animation-duration: 1.5s;
  animation-direction: reverse;
}

.spinner-inner:nth-child(3) {
  width: 40px;
  height: 40px;
  top: 20px;
  left: 20px;
  animation-duration: 2s;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loader-text {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.loader-subtitle {
  font-size: 1rem;
  opacity: 0.8;
}

/* ==========================================
   4. BACK TO TOP BUTTON
   ========================================== */

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-luxury);
  border: none;
  border-radius: 50%;
  color: var(--white);
  font-size: 1.2rem;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: var(--transition-smooth);
  transform: translateY(100px);
  opacity: 0;
  z-index: 1000;
}

.back-to-top.show {
  transform: translateY(0);
  opacity: 1;
}

.back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* ==========================================
   5. HEADER & NAVIGATION
   ========================================== */

.announcement-bar {
  background: var(--gradient-luxury);
  font-size: 0.875rem;
  animation: slideDown 0.8s ease;
}

.announcement-text {
  animation: marquee 20s linear infinite;
  white-space: nowrap;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-20px); }
}

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

.navbar {
  padding: var(--spacing-md) 0;
  transition: var(--transition-elegant);
  background: var(--white) !important;
  border-bottom: 1px solid var(--gray-200);
}

.navbar.scrolled {
  background: var(--white) !important;
  box-shadow: var(--shadow-md);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--gray-300);
}

.navbar-brand {
  display: flex;
  align-items: center;
}

.brand-logo {
  max-height: 50px;
  width: auto;
  margin-right: var(--spacing-sm);
  transition: var(--transition-smooth);
}

.brand-text {
  text-align: center;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  margin: 0;
  color: var(--primary-color);
  letter-spacing: 1px;
}

.brand-tagline {
  font-size: 0.875rem;
  color: var(--gray-400);
  margin: 0;
  font-style: italic;
}

.nav-link {
  font-weight: 500;
  position: relative;
  transition: var(--transition-elegant);
  padding: var(--spacing-sm) var(--spacing-md) !important;
  color: var(--gray-700) !important;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.5px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition-elegant);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.nav-link:hover {
  color: var(--primary-color) !important;
}

.cart-count {
  font-size: 0.75rem;
  min-width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: -8px;
  right: -8px;
}

.nav-link {
  position: relative;
}

/* ==========================================
   6. HERO SECTION
   ========================================== */

.hero-section {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.hero-slide {
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
}

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

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  color: var(--white);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-description {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
}

.hero-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold-color);
  margin-bottom: var(--spacing-lg);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-elements {
  position: absolute;
  width: 100%;
  height: 100%;
}

.floating-element {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.element-1 {
  width: 100px;
  height: 100px;
  top: 20%;
  right: 20%;
  animation-delay: 0s;
}

.element-2 {
  width: 150px;
  height: 150px;
  bottom: 30%;
  right: 10%;
  animation-delay: 2s;
}

.element-3 {
  width: 80px;
  height: 80px;
  top: 60%;
  right: 40%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
    opacity: 0.3;
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
    opacity: 0.6;
  }
}

.carousel-control-prev,
.carousel-control-next {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  top: 50%;
  transform: translateY(-50%);
  transition: var(--transition-smooth);
}

.carousel-control-prev {
  left: 2rem;
}

.carousel-control-next {
  right: 2rem;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-50%) scale(1.1);
}

.carousel-indicators {
  bottom: 2rem;
}

.carousel-indicators button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--white);
  background: transparent;
  transition: var(--transition-fast);
}

.carousel-indicators button.active {
  background: var(--white);
}

/* ==========================================
   7. BUTTONS
   ========================================== */

.btn {
  border-radius: var(--border-radius-md);
  font-weight: 600;
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.2), transparent);
  transition: var(--transition-smooth);
}

.btn:hover::before {
  left: 100%;
}

.btn-luxury {
  background: var(--primary-color);
  color: var(--white);
  box-shadow: var(--shadow-red);
  border: 2px solid var(--primary-color);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition-elegant);
}

.btn-luxury:hover {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-red-lg);
  color: var(--white);
}

.btn-outline-light {
  border: 2px solid var(--white);
  color: var(--white);
  background: transparent;
}

.btn-outline-light:hover {
  background: var(--white);
  color: var(--dark-color);
  transform: translateY(-2px);
}

/* ==========================================
   8. FEATURES SECTION
   ========================================== */

.features-section {
  padding: var(--spacing-xxl) 0;
}

.feature-card {
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: var(--transition-smooth);
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  background: var(--gradient-luxury);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--dark-color);
}

.feature-description {
  color: var(--gray-600);
}

/* ==========================================
   9. SECTIONS & LAYOUTS
   ========================================== */

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-xl);
}

.section-divider {
  width: 80px;
  height: 4px;
  background: var(--gradient-luxury);
  border-radius: 2px;
  margin: var(--spacing-lg) auto var(--spacing-xxl);
}

/* ==========================================
   10. CATEGORY CARDS
   ========================================== */

.category-card {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition-smooth);
  height: 300px;
}

.category-card-large {
  height: 400px;
}

.category-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.category-image {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.category-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.category-card:hover .category-image img {
  transform: scale(1.1);
}

.category-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(139, 0, 0, 0.85) 0%, rgba(160, 82, 45, 0.85) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-smooth);
}

.category-card:hover .category-overlay {
  opacity: 1;
}

.category-content {
  text-align: center;
  color: var(--white);
  padding: var(--spacing-lg);
}

.category-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.category-description {
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

/* ==========================================
   11. PRODUCT CARDS
   ========================================== */

.product-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  height: 100%;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  position: relative;
  width: 100%;
  height: 300px;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-smooth);
}

.product-card:hover .product-overlay {
  opacity: 1;
}

.product-badges {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  z-index: 1;
}

.badge-new {
  background: var(--gradient-luxury);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.product-info {
  padding: var(--spacing-lg);
}

.product-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--dark-color);
}

.product-category {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-price {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.current-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}

.original-price {
  font-size: 1rem;
  color: var(--gray-500);
  text-decoration: line-through;
}

/* ==========================================
   12. GALLERY SECTION (INSTAGRAM)
   ========================================== */

.instagram-section {
  background: var(--gradient-dark);
  padding: var(--spacing-xxl) 0;
}

.instagram-post {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition-smooth);
  aspect-ratio: 1;
  border: 2px solid transparent;
}

.instagram-post:hover {
  transform: scale(1.05);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-lg);
}

.instagram-post img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.instagram-post:hover img {
  transform: scale(1.1);
}

.instagram-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-smooth);
  padding: var(--spacing-md);
  text-align: center;
}

.instagram-post:hover .instagram-overlay {
  opacity: 1;
}

.instagram-overlay i {
  font-size: 2rem;
  color: var(--white);
  margin-bottom: var(--spacing-sm);
}

.instagram-caption {
  font-size: 0.8rem;
  color: var(--white);
  opacity: 0.9;
  margin: 0;
  text-align: center;
  line-height: 1.3;
}

/* ==========================================
   13. ABOUT SECTION
   ========================================== */

.about-section {
  padding: var(--spacing-xxl) 0;
}

.about-features {
  margin: var(--spacing-xl) 0;
}

.about-feature {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
}

.about-image img {
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
}

/* ==========================================
   14. NEWSLETTER SECTION
   ========================================== */

.newsletter-section {
  background: var(--gradient-luxury);
  padding: var(--spacing-xxl) 0;
}

.newsletter-form .input-group {
  box-shadow: var(--shadow-lg);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.newsletter-form .form-control {
  border: none;
  padding: var(--spacing-lg);
  font-size: 1.1rem;
}

.newsletter-form .btn {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-radius: 0;
}

/* ==========================================
   15. FOOTER
   ========================================== */

.footer {
  background: var(--primary-color);
  padding: var(--spacing-xxl) 0 var(--spacing-xl);
}

.footer-brand {
  margin-bottom: var(--spacing-xl);
}

.footer-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--white);
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--white);
}

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

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-link {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-elegant);
  font-size: 0.9rem;
}

.footer-link:hover {
  color: var(--white);
  transform: translateX(5px);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: var(--transition-smooth);
}

.social-link:hover {
  background: var(--gradient-luxury);
  transform: translateY(-2px);
  color: var(--white);
}

.contact-info {
  color: var(--gray-400);
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.contact-item i {
  margin-right: var(--spacing-sm);
  color: var(--accent-color);
}

.footer-links-inline {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* ==========================================
   16. MODALS & CART
   ========================================== */

.modal-content {
  border-radius: var(--border-radius-lg);
  border: none;
  box-shadow: var(--shadow-luxury);
}

.modal-header {
  background: var(--gradient-luxury);
  color: var(--white);
  border-bottom: none;
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.modal-title {
  font-weight: 600;
}

.btn-close {
  filter: invert(1);
}

.empty-cart i {
  opacity: 0.5;
}

/* Cart Items Styling */
.cart-item {
  transition: var(--transition-smooth);
}

.cart-item:hover {
  background-color: var(--gray-100);
  transform: translateX(5px);
}

.cart-item-image {
  border: 2px solid var(--gray-200);
  transition: var(--transition-smooth);
}

.cart-item:hover .cart-item-image {
  border-color: var(--primary-color);
}

.cart-item-controls .btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.cart-summary {
  border: 2px solid var(--gray-300);
  border-radius: var(--border-radius-lg);
  background: var(--white);
}

.cart-summary .btn-luxury {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  border-color: #25D366;
}

.cart-summary .btn-luxury:hover {
  background: linear-gradient(135deg, #128C7E 0%, #075E54 100%);
  border-color: #128C7E;
  transform: translateY(-2px);
}

/* ==========================================
   17. ANIMATIONS & UTILITIES
   ========================================== */

.fade-in {
  animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.notification-toast {
  animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ==========================================
   18. RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

@media (max-width: 992px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .category-card {
    height: 250px;
  }
  
  .category-card-large {
    height: 300px;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .footer-links-inline {
    flex-direction: column;
    align-items: start;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 768px) {
  .hero-section {
    min-height: 70vh;
  }
  
  .hero-slide {
    height: 70vh;
    text-align: center;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .navbar-brand {
    flex-direction: column;
  }
  
  .brand-logo {
    margin-right: 0;
    margin-bottom: var(--spacing-sm);
  }
  
  .carousel-control-prev {
    left: 1rem;
  }
  
  .carousel-control-next {
    right: 1rem;
  }
  
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 45px;
    height: 45px;
  }
  
  .product-image {
    height: 250px;
  }
  
  .feature-card {
    margin-bottom: var(--spacing-lg);
  }
}

@media (max-width: 576px) {
  :root {
    --spacing-xxl: 2rem;
  }
  
  .hero-title {
    font-size: 1.8rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.9rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons .btn {
    width: 100%;
    max-width: 250px;
  }
  
  .newsletter-form .input-group {
    flex-direction: column;
  }
  
  .newsletter-form .form-control,
  .newsletter-form .btn {
    border-radius: var(--border-radius-md);
  }
  
  .newsletter-form .btn {
    margin-top: var(--spacing-sm);
  }
}

/* ==========================================
   19. PRINT STYLES
   ========================================== */

@media print {
  .page-loader,
  .back-to-top,
  .navbar,
  .carousel-control-prev,
  .carousel-control-next,
  .carousel-indicators {
    display: none !important;
  }
  
  .hero-section {
    min-height: auto;
    page-break-inside: avoid;
  }
  
  .section-title {
    color: var(--dark-color) !important;
  }
}

/* ==========================================
   20. ACCESSIBILITY & FOCUS STYLES
   ========================================== */

.btn:focus,
.form-control:focus,
.nav-link:focus,
.social-link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================
   21. PROFESSIONAL BIBA-INSPIRED ENHANCEMENTS
   ========================================== */

/* Professional Header Enhancement */
.header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(139, 0, 0, 0.1);
}

/* Elegant Category Cards with Biba-style hover */
.category-card {
  position: relative;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition-smooth);
  height: 350px;
  background: var(--white);
  box-shadow: 0 4px 15px rgba(139, 0, 0, 0.08);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-luxury);
  transform: scaleX(0);
  transition: var(--transition-smooth);
  z-index: 1;
}

.category-card:hover::before {
  transform: scaleX(1);
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(139, 0, 0, 0.15);
}

/* Professional Product Cards */
.product-card {
  background: var(--white);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  transition: var(--transition-smooth);
  box-shadow: 0 3px 12px rgba(139, 0, 0, 0.06);
  cursor: pointer;
  height: 100%;
  border: 1px solid var(--gray-200);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(139, 0, 0, 0.12);
  border-color: var(--primary-color);
}

/* Elegant Price Styling */
.current-price {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
  font-family: var(--font-heading);
}

/* Professional Section Headers */
.section-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  position: relative;
  color: var(--dark-color);
  text-align: center;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-luxury);
  border-radius: 2px;
}

/* Professional Button Styling */
.btn-luxury {
  background: var(--gradient-luxury);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(139, 0, 0, 0.3);
  border: 2px solid transparent;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
}

.btn-luxury::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-luxury:hover::before {
  width: 300px;
  height: 300px;
}

.btn-luxury:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(139, 0, 0, 0.4);
  color: var(--white);
}

/* Professional Features Section */
.features-section {
  padding: var(--spacing-xxl) 0;
  background: var(--gradient-light);
}

.feature-card {
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: var(--transition-smooth);
  height: 100%;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(139, 0, 0, 0.05), transparent);
  transition: var(--transition-slow);
}

.feature-card:hover::before {
  left: 100%;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(139, 0, 0, 0.12);
  border-color: var(--primary-color);
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-lg);
  background: var(--gradient-luxury);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--white);
  position: relative;
}

.feature-icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  top: -4px;
  left: -4px;
  opacity: 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.7;
  }
  100% {
    transform: scale(1.2);
    opacity: 0;
  }
}

/* Professional Newsletter Section */
.newsletter-section {
  background: var(--gradient-luxury);
  padding: var(--spacing-xxl) 0;
  position: relative;
}

.newsletter-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
  opacity: 0.1;
}

/* Professional About Section */
.about-section {
  padding: var(--spacing-xxl) 0;
  background: var(--white);
  position: relative;
}

.about-feature {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  font-size: 1.1rem;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  background: var(--gray-100);
  transition: var(--transition-smooth);
}

.about-feature:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateX(10px);
}

.about-feature i {
  margin-right: var(--spacing-md);
  color: var(--primary-color);
  font-size: 1.3rem;
}

.about-feature:hover i {
  color: var(--white);
}

/* Professional Instagram Section */
.instagram-section {
  background: var(--gradient-dark);
  padding: var(--spacing-xxl) 0;
  position: relative;
}

.instagram-post {
  position: relative;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition-smooth);
  aspect-ratio: 1;
  border: 3px solid transparent;
}

.instagram-post:hover {
  transform: scale(1.03);
  border-color: var(--accent-color);
}

/* Elegant Scroll Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.8s ease forwards;
}

/* Professional Modal Styling */
.modal-header {
  background: var(--gradient-luxury);
  color: var(--white);
  border-bottom: none;
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  position: relative;
}

.modal-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

/* Professional Form Styling */
.form-control {
  border: 2px solid var(--gray-300);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  transition: var(--transition-smooth);
  background: var(--white);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(139, 0, 0, 0.1);
  background: var(--white);
}

/* Professional Navigation Enhancement */
.navbar-nav .nav-item {
  position: relative;
  margin: 0 var(--spacing-sm);
}

.navbar-nav .nav-item::before {
  content: '';
  position: absolute;
  top: 50%;
  left: -8px;
  width: 3px;
  height: 0;
  background: var(--primary-color);
  transition: var(--transition-smooth);
  transform: translateY(-50%);
}

.navbar-nav .nav-item:hover::before {
  height: 20px;
}