/* ========================================
   ONYX TECHNICS — Design System
   ======================================== */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+Georgian:wght@300;400;500;600;700&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors — Dark Onyx Theme */
  --bg-primary: #09090B;
  --bg-secondary: #111113;
  --bg-card: #18181B;
  --bg-card-hover: #1F1F23;
  --bg-overlay: rgba(0, 0, 0, 0.6);
  
  --border: #27272A;
  --border-hover: #3F3F46;
  
  --text-primary: #FAFAFA;
  --text-secondary: #A1A1AA;
  --text-muted: #71717A;
  
  --accent: #3B82F6;
  --accent-hover: #2563EB;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --accent-soft: rgba(59, 130, 246, 0.1);
  
  --success: #22C55E;
  --success-soft: rgba(34, 197, 94, 0.1);
  --danger: #EF4444;
  --danger-soft: rgba(239, 68, 68, 0.1);
  --warning: #F59E0B;
  
  /* Typography */
  --font-primary: 'Inter', 'Noto Sans Georgian', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px var(--accent-glow);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Container */
  --container-max: 1200px;
  --container-padding: 1.5rem;
  
  /* Header */
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

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

ul, ol {
  list-style: none;
}

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

/* ---------- Utility Classes ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.938rem;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 0 30px var(--accent-glow);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--bg-card);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
}
.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--accent-soft);
}

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.813rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.063rem;
  border-radius: var(--radius-lg);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Badge ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  font-size: 0.688rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-accent {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.badge-success {
  background: var(--success-soft);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

/* ========================================
   HEADER
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 100;
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.header.scrolled {
  border-bottom-color: var(--border);
  background: rgba(9, 9, 11, 0.95);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 2px;
}

.logo span {
  color: var(--accent);
  font-weight: 300;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.cart-toggle {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  color: var(--text-secondary);
}

.cart-toggle:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.cart-toggle svg {
  width: 22px;
  height: 22px;
}

.cart-count {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: #fff;
  font-size: 0.625rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  transform: scale(0);
  transition: transform var(--transition-spring);
}

.cart-count.visible {
  transform: scale(1);
}

/* Mobile menu toggle */
.mobile-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
}

.mobile-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: all var(--transition-fast);
}

.mobile-menu-btn span::before,
.mobile-menu-btn span::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: currentColor;
  left: 0;
  transition: all var(--transition-fast);
}

.mobile-menu-btn span::before { top: -6px; }
.mobile-menu-btn span::after { top: 6px; }

.mobile-menu-btn.active span { background: transparent; }
.mobile-menu-btn.active span::before { top: 0; transform: rotate(45deg); }
.mobile-menu-btn.active span::after { top: 0; transform: rotate(-45deg); }

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: var(--header-height) var(--container-padding) var(--space-3xl);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at 30% 40%,
    rgba(59, 130, 246, 0.08) 0%,
    transparent 50%
  ),
  radial-gradient(
    circle at 70% 60%,
    rgba(59, 130, 246, 0.04) 0%,
    transparent 40%
  );
  animation: heroGlow 15s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-5%, -3%) rotate(5deg); }
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.375rem 1rem;
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  border: 1px solid rgba(59, 130, 246, 0.15);
  color: var(--accent);
  font-size: 0.813rem;
  font-weight: 500;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease forwards;
}

.hero-label svg {
  width: 14px;
  height: 14px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.6s ease 0.1s forwards;
  opacity: 0;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--accent), #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
  animation: fadeInUp 0.6s ease 0.2s forwards;
  opacity: 0;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  animation: fadeInUp 0.6s ease 0.3s forwards;
  opacity: 0;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3xl);
  margin-top: var(--space-4xl);
  animation: fadeInUp 0.6s ease 0.4s forwards;
  opacity: 0;
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.hero-stat-label {
  font-size: 0.813rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   PRODUCTS SECTION
   ======================================== */
.products-section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

/* ---------- Product Card ---------- */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

.product-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-card-badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  z-index: 2;
}

.product-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

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

.product-name {
  font-size: 0.938rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}

.product-description {
  font-size: 0.813rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

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

.product-price .currency {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 2px;
}

.btn-add-cart {
  padding: 0.625rem 1.25rem;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 0.813rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.btn-add-cart:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-add-cart.added {
  background: var(--success);
}

.btn-add-cart svg {
  width: 16px;
  height: 16px;
}

/* ========================================
   ABOUT / DELIVERY SECTION
   ======================================== */
.about-section {
  padding: var(--space-4xl) 0;
  border-top: 1px solid var(--border);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.about-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.about-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--accent);
}

.about-card-icon svg {
  width: 24px;
  height: 24px;
}

.about-card h3 {
  font-size: 1.063rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.about-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact-section {
  padding: var(--space-4xl) 0;
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2xl);
  align-items: start;
}

.contact-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.contact-item-icon svg {
  width: 18px;
  height: 18px;
}

.contact-item-text {
  font-size: 0.875rem;
}

.contact-item-label {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-bottom: 2px;
}

.contact-item-value {
  font-weight: 500;
}

.contact-item-value a {
  color: var(--accent);
  transition: color var(--transition-fast);
}
.contact-item-value a:hover {
  color: var(--accent-hover);
}

.contact-cta {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
}

.contact-cta h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.contact-cta p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-xl);
}

.contact-cta-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.btn-whatsapp {
  background: #25D366;
  color: #fff;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  transition: all var(--transition-fast);
}

.btn-whatsapp:hover {
  background: #20BD5A;
  transform: translateY(-1px);
}

.btn-whatsapp svg {
  width: 20px;
  height: 20px;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer p {
  color: var(--text-muted);
  font-size: 0.813rem;
}

.footer a {
  color: var(--accent);
}

/* ========================================
   CART SIDEBAR
   ======================================== */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  backdrop-filter: blur(4px);
}

.cart-overlay.open {
  opacity: 1;
  visibility: visible;
}

.cart-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  max-width: 90vw;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  z-index: 201;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.cart-sidebar.open {
  transform: translateX(0);
}

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--border);
  min-height: var(--header-height);
}

.cart-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.cart-header-count {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-full);
}

.cart-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.cart-close:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.cart-close svg {
  width: 20px;
  height: 20px;
}

.cart-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
}

.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  color: var(--text-muted);
}

.cart-empty svg {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-lg);
  opacity: 0.3;
}

.cart-empty p {
  font-size: 0.938rem;
  margin-bottom: var(--space-md);
}

.cart-empty a {
  color: var(--accent);
  font-size: 0.875rem;
}

/* Cart Item */
.cart-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  transition: all var(--transition-fast);
  animation: slideIn 0.3s ease forwards;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.cart-item-image {
  width: 64px;
  height: 64px;
  min-width: 64px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  overflow: hidden;
}

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

.cart-item-details {
  flex: 1;
  min-width: 0;
}

.cart-item-name {
  font-size: 0.813rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-item-price {
  font-size: 0.813rem;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.qty-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.qty-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.cart-item-qty {
  font-size: 0.875rem;
  font-weight: 600;
  min-width: 20px;
  text-align: center;
}

.cart-item-remove {
  margin-left: auto;
  color: var(--text-muted);
  padding: var(--space-xs);
  transition: color var(--transition-fast);
}

.cart-item-remove:hover {
  color: var(--danger);
}

.cart-item-remove svg {
  width: 16px;
  height: 16px;
}

/* Cart Footer */
.cart-footer {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
}

.cart-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
  font-size: 0.875rem;
}

.cart-summary-row.total {
  font-size: 1.063rem;
  font-weight: 700;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
  margin-bottom: var(--space-lg);
}

.cart-summary-label {
  color: var(--text-secondary);
}

.cart-checkout-btn {
  width: 100%;
}

/* ========================================
   CHECKOUT MODAL
   ======================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  backdrop-filter: blur(8px);
}

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

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-slow);
}

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl);
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

.modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--space-xl);
}

/* Form Styles */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 0.813rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.938rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px var(--danger-soft);
}

.form-error {
  font-size: 0.75rem;
  color: var(--danger);
  margin-top: var(--space-xs);
  display: none;
}

.form-error.visible {
  display: block;
}

/* Delivery Toggle */
.delivery-toggle {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.delivery-option {
  flex: 1;
  padding: 0.75rem;
  text-align: center;
  font-size: 0.813rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
}

.delivery-option.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
}

.delivery-option input {
  display: none;
}

.delivery-fee-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-sm);
  text-align: center;
}

/* Payment methods */
.payment-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.payment-method {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.payment-method:hover {
  border-color: var(--border-hover);
}

.payment-method.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.payment-method input {
  display: none;
}

.payment-method-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.payment-method-text h4 {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 2px;
}

.payment-method-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Order summary in modal */
.order-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.order-summary h3 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

.order-summary-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.813rem;
  padding: var(--space-xs) 0;
  color: var(--text-secondary);
}

.order-summary-total {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 1rem;
  padding-top: var(--space-md);
  margin-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.modal-footer {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--border);
}

.modal-footer .btn {
  width: 100%;
}

/* Success state */
.checkout-success {
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
}

.checkout-success-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--success-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-xl);
  color: var(--success);
  animation: scaleIn 0.5s var(--transition-spring);
}

@keyframes scaleIn {
  from { transform: scale(0); }
  to { transform: scale(1); }
}

.checkout-success-icon svg {
  width: 36px;
  height: 36px;
}

.checkout-success h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.checkout-success p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-xl);
}

/* ========================================
   NOTIFICATION TOAST
   ======================================== */
.toast {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  z-index: 400;
  box-shadow: var(--shadow-lg);
  transform: translateY(120%);
  transition: transform var(--transition-spring);
}

.toast.visible {
  transform: translateY(0);
}

.toast-icon {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: var(--radius-sm);
  background: var(--success-soft);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
}

.toast-icon svg {
  width: 16px;
  height: 16px;
}

.toast-text {
  font-size: 0.813rem;
  font-weight: 500;
}

/* ========================================
   SCROLL TO TOP
   ======================================== */
.scroll-top {
  position: fixed;
  bottom: var(--space-xl);
  left: var(--space-xl);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  color: var(--text-primary);
  border-color: var(--accent);
}

.scroll-top svg {
  width: 20px;
  height: 20px;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .about-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .about-grid .about-card:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
    --header-height: 64px;
  }
  
  .nav-links {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-lg);
  }
  
  .nav-links.open {
    display: flex;
  }
  
  .nav-links a {
    font-size: 1rem;
    padding: var(--space-sm) 0;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .hero h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }
  
  .hero-stats {
    gap: var(--space-xl);
  }
  
  .hero-stat-value {
    font-size: 1.375rem;
  }
  
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .cart-sidebar {
    width: 100%;
    max-width: 100%;
  }
  
  .modal {
    max-height: 95vh;
    margin: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .delivery-toggle {
    flex-direction: column;
  }
  
  .toast {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* ---------- Selection ---------- */
::selection {
  background: var(--accent);
  color: #fff;
}