:root {
  --primary: #1B2A4A;
  --primary-light: #2C4270;
  --primary-dark: #0F1728;
  --secondary: #C4956A;
  --secondary-light: #D4AF8A;
  --secondary-dark: #A67B52;
  --accent: #E8D5B5;
  --light: #FAF8F5;
  --white: #FFFFFF;
  --text: #2C3E50;
  --text-light: #6B7C93;
  --border: #E2DDD6;
  --shadow: 0 2px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --radius: 8px;
  --radius-lg: 16px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition: 0.3s ease;
}

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

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

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--secondary); }
a:focus-visible { outline: 3px solid var(--secondary); outline-offset: 2px; border-radius: 2px; }

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.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;
}

.skip-link {
  position: absolute; top: -100px; left: 16px; z-index: 10000;
  background: var(--primary); color: var(--white); padding: 12px 24px;
  border-radius: var(--radius); font-weight: 600;
}
.skip-link:focus { top: 16px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius);
  font-size: 1rem; font-weight: 600; text-decoration: none;
  border: none; cursor: pointer; transition: all var(--transition);
  font-family: var(--font);
}
.btn:focus-visible { outline: 3px solid var(--secondary); outline-offset: 2px; }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-light); color: var(--white); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-secondary { background: var(--secondary); color: var(--white); }
.btn-secondary:hover { background: var(--secondary-dark); color: var(--white); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); }

.section { padding: 80px 0; }
.section-dark { background: var(--primary-dark); color: var(--white); }
.section-light { background: var(--accent); }
.section-title {
  font-size: 2.25rem; font-weight: 700; color: var(--primary);
  margin-bottom: 16px; line-height: 1.2;
}
.section-dark .section-title { color: var(--white); }
.section-subtitle {
  font-size: 1.125rem; color: var(--text-light);
  max-width: 640px; margin: 0 auto 48px; text-align: center;
}
.section-dark .section-subtitle { color: var(--accent); }
.text-center { text-align: center; }

/* Header */
.header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; max-width: 1200px; margin: 0 auto;
}
.logo { font-size: 1.625rem; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
.logo span { color: var(--secondary); }
.logo-sub { font-size: 0.75rem; font-weight: 400; color: var(--text-light); display: block; letter-spacing: 1px; text-transform: uppercase; }

.nav { display: flex; gap: 32px; align-items: center; }
.nav a {
  font-size: 0.9375rem; font-weight: 500; color: var(--text);
  position: relative; padding: 4px 0;
}
.nav a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
  background: var(--secondary); transition: width var(--transition);
}
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav a.active { color: var(--primary); font-weight: 600; }

.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  padding: 8px; color: var(--primary); font-size: 1.5rem;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: var(--white); padding: 120px 0 100px; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: 0; right: 0; width: 50%; height: 100%;
  background: url('../images/hero-pattern.svg') no-repeat center/cover;
  opacity: 0.06;
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero h1 { font-size: 3.25rem; font-weight: 800; line-height: 1.1; margin-bottom: 24px; letter-spacing: -1px; }
.hero h1 span { color: var(--secondary); }
.hero p { font-size: 1.2rem; color: var(--accent); margin-bottom: 32px; max-width: 540px; line-height: 1.7; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image {
  background: var(--white); border-radius: var(--radius-lg);
  aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center;
  color: var(--text-light); font-size: 1.125rem;
  box-shadow: var(--shadow-lg); overflow: hidden;
}
.hero-image .placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--secondary-light));
  color: var(--primary-dark); font-weight: 600; font-size: 1.25rem;
}

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.feature-card {
  background: var(--white); padding: 40px 32px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow); text-align: center; transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--border);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-icon { font-size: 2.5rem; margin-bottom: 20px; display: block; }
.feature-card h3 { font-size: 1.25rem; color: var(--primary); margin-bottom: 12px; }
.feature-card p { color: var(--text-light); font-size: 0.9375rem; line-height: 1.6; }

/* Categories */
.categories-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.category-card {
  background: var(--white); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow); transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--border);
}
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.category-card .cat-img {
  height: 180px; background: linear-gradient(135deg, var(--accent), var(--secondary-light));
  display: flex; align-items: center; justify-content: center;
  color: var(--primary-dark); font-weight: 500;
}
.category-card .cat-info { padding: 24px; }
.category-card h3 { font-size: 1.125rem; color: var(--primary); margin-bottom: 4px; }
.category-card p { font-size: 0.875rem; color: var(--text-light); }

/* About section on home */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image {
  background: linear-gradient(135deg, var(--accent), var(--secondary-light));
  border-radius: var(--radius-lg); aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary-dark); font-weight: 600; font-size: 1.25rem;
}

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.stat-item { text-align: center; }
.stat-number { font-size: 2.75rem; font-weight: 800; color: var(--secondary); display: block; }
.stat-label { font-size: 1rem; color: var(--accent); margin-top: 8px; display: block; }

/* Products / Inventory */
.inventory-controls {
  background: var(--white); padding: 32px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow); margin-bottom: 32px; border: 1px solid var(--border);
}
.filter-row { display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: 16px; margin-bottom: 16px; }
.filter-row:last-child { margin-bottom: 0; }
.filter-group { display: flex; flex-direction: column; gap: 6px; }
.filter-group label { font-size: 0.8125rem; font-weight: 600; color: var(--text); }
.filter-group select, .filter-group input {
  padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 0.9375rem; font-family: var(--font); background: var(--white);
  transition: border-color var(--transition); color: var(--text);
}
.filter-group select:focus, .filter-group input:focus {
  outline: none; border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(196,149,106,0.15);
}
.filter-actions { display: flex; gap: 12px; align-items: flex-end; }
.filter-actions .btn { padding: 10px 24px; font-size: 0.875rem; }

.results-info { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; gap: 8px; }
.results-info p { font-size: 0.9375rem; color: var(--text-light); }

/* Inventory table */
.inventory-table-wrap {
  overflow-x: auto; border-radius: var(--radius-lg);
  box-shadow: var(--shadow); border: 1px solid var(--border);
}
.inventory-table { width: 100%; border-collapse: collapse; background: var(--white); min-width: 800px; }
.inventory-table th {
  background: var(--primary); color: var(--white); padding: 14px 16px;
  font-size: 0.8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;
  text-align: left; white-space: nowrap;
}
.inventory-table td {
  padding: 14px 16px; font-size: 0.9375rem; border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.inventory-table tr:hover td { background: rgba(196,149,106,0.05); }
.inventory-table .col-color { font-weight: 600; color: var(--primary); }
.inventory-table .col-price { font-weight: 600; color: var(--secondary-dark); white-space: nowrap; }
.inventory-table .col-qty { text-align: center; }
.inventory-table .col-qty .qty-low { color: #c0392b; font-weight: 600; }
.inventory-table .col-qty .qty-ok { color: #27ae60; }
.inventory-table .col-qty .qty-out { color: var(--text-light); }
.inventory-table .col-size { font-family: 'Consolas', monospace; font-size: 0.875rem; white-space: nowrap; }
.product-img-placeholder {
  width: 60px; height: 60px; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent), var(--secondary-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 0.625rem; color: var(--primary-dark); font-weight: 500;
  text-align: center; line-height: 1.2;
}

/* Pagination */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 32px; flex-wrap: wrap; }
.pagination button {
  padding: 8px 16px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--white); cursor: pointer; font-size: 0.875rem; color: var(--text);
  transition: all var(--transition); font-family: var(--font);
}
.pagination button:hover { background: var(--accent); border-color: var(--secondary); }
.pagination button.active { background: var(--primary); color: var(--white); border-color: var(--primary); }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }
.pagination button:focus-visible { outline: 3px solid var(--secondary); outline-offset: 2px; }

/* Contact Form */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 1rem; font-family: var(--font); transition: border-color var(--transition);
  background: var(--white); color: var(--text);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(196,149,106,0.15);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.contact-info { padding: 32px; background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); border: 1px solid var(--border); }
.contact-info h3 { font-size: 1.25rem; color: var(--primary); margin-bottom: 24px; }
.contact-info-item { display: flex; gap: 16px; margin-bottom: 20px; align-items: flex-start; }
.contact-info-item .ci-icon { font-size: 1.25rem; color: var(--secondary); flex-shrink: 0; margin-top: 2px; }
.contact-info-item .ci-label { font-size: 0.8125rem; color: var(--text-light); display: block; }
.contact-info-item .ci-value { font-size: 1rem; color: var(--text); font-weight: 500; }

/* Gallery */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.gallery-item {
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow);
  aspect-ratio: 1; background: linear-gradient(135deg, var(--accent), var(--secondary-light));
  display: flex; align-items: center; justify-content: center;
  color: var(--primary-dark); font-weight: 500; transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer; border: 1px solid var(--border);
}
.gallery-item:hover { transform: scale(1.02); box-shadow: var(--shadow-lg); }

/* About page */
.about-hero { background: var(--primary); color: var(--white); padding: 80px 0; text-align: center; }
.about-hero h1 { font-size: 3rem; margin-bottom: 16px; }
.about-hero p { font-size: 1.125rem; color: var(--accent); max-width: 640px; margin: 0 auto; }
.about-content { max-width: 800px; margin: 0 auto; }
.about-content h2 { color: var(--primary); font-size: 1.75rem; margin-top: 48px; margin-bottom: 16px; }
.about-content p { font-size: 1.0625rem; line-height: 1.8; color: var(--text); margin-bottom: 20px; }
.about-content ul { list-style: none; padding: 0; margin: 24px 0; }
.about-content ul li { padding: 8px 0 8px 32px; position: relative; font-size: 1.0625rem; }
.about-content ul li::before { content: '◆'; position: absolute; left: 0; color: var(--secondary); font-size: 0.75rem; top: 11px; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 32px 0; }
.value-card { background: var(--white); padding: 32px; border-radius: var(--radius-lg); box-shadow: var(--shadow); border: 1px solid var(--border); text-align: center; }
.value-card h3 { color: var(--primary); margin-bottom: 8px; }
.value-card p { color: var(--text-light); font-size: 0.9375rem; }

/* Page header */
.page-header { background: var(--primary); color: var(--white); padding: 64px 0; text-align: center; }
.page-header h1 { font-size: 2.5rem; margin-bottom: 8px; }
.page-header p { color: var(--accent); font-size: 1.125rem; }

/* Footer */
.footer { background: var(--primary-dark); color: var(--white); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
.footer h3 { font-size: 1.125rem; margin-bottom: 20px; color: var(--white); }
.footer p, .footer a { font-size: 0.9375rem; color: var(--accent); line-height: 1.8; }
.footer a:hover { color: var(--secondary); }
.footer-logo { font-size: 1.5rem; font-weight: 800; color: var(--white); margin-bottom: 12px; display: inline-block; }
.footer-logo span { color: var(--secondary); }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 48px; padding-top: 24px; text-align: center; font-size: 0.875rem; color: rgba(255,255,255,0.5); }

/* Breadcrumbs */
.breadcrumbs { padding: 16px 0; font-size: 0.875rem; color: var(--text-light); }
.breadcrumbs a { color: var(--text-light); }
.breadcrumbs a:hover { color: var(--secondary); }
.breadcrumbs span { color: var(--text); }

/* No results */
.no-results { text-align: center; padding: 60px 20px; color: var(--text-light); }
.no-results h3 { font-size: 1.25rem; color: var(--text); margin-bottom: 8px; }

/* Toast / notification */
.toast {
  position: fixed; bottom: 24px; right: 24px; padding: 16px 24px;
  background: var(--primary-dark); color: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); font-size: 0.9375rem; z-index: 9999;
  transform: translateY(120px); opacity: 0; transition: all 0.4s ease;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 2.5rem; }
  .hero-image { aspect-ratio: 16/9; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .nav.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--border); padding: 16px 24px; gap: 16px; box-shadow: var(--shadow-lg); z-index: 999; }
  .nav-toggle { display: block; }
  .hero { padding: 80px 0 60px; }
  .hero h1 { font-size: 2rem; }
  .section { padding: 48px 0; }
  .features-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .filter-row { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .values-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 1.75rem; }
  .page-header h1 { font-size: 1.75rem; }
  .results-info { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.625rem; }
  .hero-buttons { flex-direction: column; }
  .gallery-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .container { padding: 0 16px; }
}

/* Print */
@media print {
  .header, .footer, .nav-toggle, .inventory-controls, .hero-buttons { display: none; }
  .hero { padding: 40px 0; }
}