/* ===========================
   BVB Company LLC - Global Styles
   Modern, Responsive E-commerce
   =========================== */

/* CSS Variables */
:root {
  /* Colors */
  --color-primary: #8B7355;
  --color-primary-dark: #6B5640;
  --color-primary-light: #A89080;
  --color-accent: #D4A574;
  --color-text: #2C2C2C;
  --color-text-light: #666666;
  --color-text-muted: #999999;
  --color-bg: #FAFAF8;
  --color-bg-white: #FFFFFF;
  --color-bg-gray: #F5F5F3;
  --color-border: #E8E8E5;
  --color-success: #4A7856;
  --color-error: #C84B4B;
  --color-warning: #D4A574;

  /* Typography */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;

  /* Layout */
  --container-max: 1280px;
  --container-narrow: 800px;
  --border-radius: 4px;
  --border-radius-lg: 8px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  font-weight: var(--font-weight-normal);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: var(--spacing-sm);
}

.text-large {
  font-size: 1.25rem;
  line-height: 1.6;
}

.text-small {
  font-size: 0.875rem;
}

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

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

/* Layout Utilities */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section-lg {
  padding: var(--spacing-2xl) 0;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-size: 0.9375rem;
  font-weight: var(--font-weight-medium);
  text-align: center;
  border-radius: var(--border-radius);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
  line-height: 1;
  letter-spacing: 0.01em;
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-bg-white);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-bg-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-bg-white);
}

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

.btn-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Cards */
.card {
  background-color: var(--color-bg-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.product-card {
  background-color: var(--color-bg-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

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

.product-card-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background-color: var(--color-bg-gray);
}

.product-card-content {
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.product-title {
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.product-price {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-top: auto;
}

/* Header */
.header {
  background-color: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-md);
  max-width: var(--container-max);
  margin: 0 auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.nav {
  display: none;
}

.nav-list {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.cart-icon {
  position: relative;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
  transition: var(--transition);
}

.cart-icon:hover {
  color: var(--color-primary);
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: var(--transition);
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-bg-white);
  z-index: 2000;
  padding: var(--spacing-lg);
  overflow-y: auto;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.mobile-nav-close {
  font-size: 2rem;
  cursor: pointer;
  color: var(--color-text);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.mobile-nav-link {
  font-size: 1.125rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

/* Footer */
.footer {
  background-color: var(--color-text);
  color: var(--color-bg-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
  color: var(--color-bg-white);
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-link {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9375rem;
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--color-bg-white);
  padding-left: 4px;
}

.footer-text {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9375rem;
  line-height: 1.8;
}

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

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-bg-gray) 0%, var(--color-bg) 100%);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Trust Badges */
.trust-badges {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.trust-badge {
  text-align: center;
  padding: var(--spacing-md);
}

.trust-badge-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.trust-badge h4 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.trust-badge p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin: 0;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
  font-size: 0.9375rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
  background-color: var(--color-bg-white);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139, 115, 85, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-error {
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 999px;
  background-color: var(--color-primary-light);
  color: var(--color-bg-white);
}

/* Star Rating */
.stars {
  display: inline-flex;
  gap: 2px;
  color: var(--color-accent);
  font-size: 1rem;
}

.stars-large {
  font-size: 1.25rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-bg-white);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
  padding: var(--spacing-md);
  z-index: 3000;
  display: none;
}

.cookie-banner.active {
  display: block;
}

.cookie-banner-content {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.cookie-banner-text {
  font-size: 0.9375rem;
  line-height: 1.6;
}

.cookie-banner-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.cookie-banner-actions .btn {
  padding: 0.75rem 1.5rem;
}

/* Breadcrumb */
.breadcrumb {
  padding: var(--spacing-md) 0;
  font-size: 0.875rem;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  align-items: center;
}

.breadcrumb-item {
  color: var(--color-text-light);
}

.breadcrumb-item::after {
  content: '/';
  margin-left: var(--spacing-xs);
  color: var(--color-border);
}

.breadcrumb-item:last-child::after {
  display: none;
}

.breadcrumb-link:hover {
  color: var(--color-primary);
}

/* Alert */
.alert {
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.alert-success {
  background-color: #E8F5E9;
  color: var(--color-success);
  border-left: 4px solid var(--color-success);
}

.alert-error {
  background-color: #FFEBEE;
  color: var(--color-error);
  border-left: 4px solid var(--color-error);
}

.alert-info {
  background-color: #E3F2FD;
  color: #1976D2;
  border-left: 4px solid #1976D2;
}

/* Loading */
.loading {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-muted);
}

/* Responsive */
@media (min-width: 768px) {
  .nav {
    display: block;
  }

  .mobile-menu-toggle {
    display: none;
  }

  .cookie-banner-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .cookie-banner-actions {
    flex-shrink: 0;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-lg);
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .cookie-banner,
  .btn {
    display: none;
  }
}

/* Focus Visible (Accessibility) */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip to Main Content */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}