/*
 * LiiFooRoom - B2B Industrial Materials Theme
 * Custom CSS for Professional Sourcing Platform
 * Aesthetic: Industrial Elegance + Tech Precision
 */

:root {
  /* Color Palette - Industrial Elegance */
  --lii-primary: #1a1a2e;
  --lii-secondary: #16213e;
  --lii-accent: #e94560;
  --lii-gold: #c9a227;
  --lii-silver: #a8a8a8;
  --lii-light: #f5f5f5;
  --lii-white: #ffffff;
  --lii-text: #2d2d2d;
  --lii-text-light: #666666;
  --lii-border: #e0e0e0;
  --lii-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  --lii-accent-gradient: linear-gradient(135deg, #e94560 0%, #ff6b6b 100%);
  
  /* Typography */
  --font-display: 'Playfair Display', 'Noto Serif SC', Georgia, serif;
  --font-body: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-xxl: 6rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.08);
  --shadow-md: 0 8px 24px rgba(26, 26, 46, 0.12);
  --shadow-lg: 0 16px 48px rgba(26, 26, 46, 0.16);
  --shadow-glow: 0 0 40px rgba(233, 69, 96, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
}

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

/* ===== HEADER - Industrial Navigation ===== */
.site-header {
  background: var(--lii-gradient);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--lii-accent-gradient);
}

.site-branding .site-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.site-branding .site-title a {
  color: var(--lii-white);
  text-decoration: none;
  position: relative;
}

.site-branding .site-title a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--lii-accent);
  transition: width var(--transition-base);
}

.site-branding .site-title a:hover::after {
  width: 100%;
}

/* Navigation */
.main-navigation {
  background: transparent;
}

.main-navigation a {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: var(--space-sm) var(--space-md);
  position: relative;
  transition: color var(--transition-fast);
}

.main-navigation a:hover,
.main-navigation a:focus {
  color: var(--lii-white);
}

.main-navigation a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--lii-accent);
  transition: width var(--transition-base);
}

.main-navigation a:hover::after {
  width: 60%;
}

/* ===== HERO SECTION ===== */
.hero-section {
  background: var(--lii-gradient);
  color: var(--lii-white);
  padding: var(--space-xxl) var(--space-lg);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(233, 69, 96, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(201, 162, 39, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-section h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  position: relative;
}

.hero-section h1 span {
  color: var(--lii-accent);
  position: relative;
}

.hero-section .lead {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin-bottom: var(--space-lg);
}

/* CTA Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--lii-accent-gradient);
  color: var(--lii-white);
  font-weight: 600;
  padding: var(--space-sm) var(--space-lg);
  border-radius: 4px;
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: transparent;
  color: var(--lii-white);
  font-weight: 600;
  padding: var(--space-sm) var(--space-lg);
  border-radius: 4px;
  text-decoration: none;
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: all var(--transition-base);
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--lii-white);
}

/* ===== CATEGORY CARDS ===== */
.category-section {
  padding: var(--space-xxl) var(--space-lg);
  background: var(--lii-white);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.category-card {
  background: var(--lii-white);
  border-radius: 12px;
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--lii-border);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--lii-accent-gradient);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

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

.category-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--lii-primary);
  margin-bottom: var(--space-sm);
}

.category-card p {
  color: var(--lii-text-light);
  margin-bottom: var(--space-md);
}

.category-icon {
  width: 64px;
  height: 64px;
  background: var(--lii-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.75rem;
}

/* ===== PRODUCT GRID ===== */
.products-section {
  padding: var(--space-xxl) var(--space-lg);
  background: var(--lii-light);
}

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

.section-header h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--lii-primary);
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--lii-text-light);
  font-size: 1.125rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.product-card {
  background: var(--lii-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid var(--lii-border);
}

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

.product-image {
  aspect-ratio: 4/3;
  background: var(--lii-light);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

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

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

.product-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--lii-accent);
  margin-bottom: var(--space-xs);
}

.product-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--lii-primary);
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}

.product-description {
  font-size: 0.875rem;
  color: var(--lii-text-light);
  margin-bottom: var(--space-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--lii-border);
}

.product-price {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--lii-primary);
}

.product-price .currency {
  font-size: 0.875rem;
  color: var(--lii-text-light);
}

.btn-inquiry {
  background: var(--lii-primary);
  color: var(--lii-white);
  padding: var(--space-xs) var(--space-md);
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.btn-inquiry:hover {
  background: var(--lii-accent);
}

/* ===== FEATURES SECTION ===== */
.features-section {
  padding: var(--space-xxl) var(--space-lg);
  background: var(--lii-gradient);
  color: var(--lii-white);
  position: relative;
}

.features-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  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='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.feature-item {
  text-align: center;
  padding: var(--space-lg);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 2rem;
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-base);
}

.feature-item:hover .feature-icon {
  background: var(--lii-accent);
  border-color: var(--lii-accent);
  transform: scale(1.1);
}

.feature-item h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

.feature-item p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
  padding: var(--space-xxl) var(--space-lg);
  background: var(--lii-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
  align-items: start;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--lii-primary);
  margin-bottom: var(--space-md);
}

.contact-info p {
  color: var(--lii-text-light);
  margin-bottom: var(--space-lg);
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  background: var(--lii-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-method h4 {
  font-size: 1rem;
  color: var(--lii-primary);
  margin-bottom: 4px;
}

.contact-method p {
  font-size: 0.9375rem;
  color: var(--lii-text-light);
  margin: 0;
}

/* Contact Form Styling */
.wpcf7-form {
  background: var(--lii-light);
  padding: var(--space-lg);
  border-radius: 12px;
}

.wpcf7-form label {
  display: block;
  font-weight: 600;
  color: var(--lii-primary);
  margin-bottom: var(--space-xs);
  font-size: 0.9375rem;
}

.wpcf7-form input[type="text"],
.wpcf7-form input[type="email"],
.wpcf7-form input[type="tel"],
.wpcf7-form textarea,
.wpcf7-form select {
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--lii-border);
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color var(--transition-fast);
  background: var(--lii-white);
}

.wpcf7-form input:focus,
.wpcf7-form textarea:focus,
.wpcf7-form select:focus {
  outline: none;
  border-color: var(--lii-accent);
  box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.1);
}

.wpcf7-form .wpcf7-submit {
  background: var(--lii-accent-gradient);
  color: var(--lii-white);
  font-weight: 600;
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-base);
  width: 100%;
}

.wpcf7-form .wpcf7-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--lii-primary);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  max-width: 1400px;
  margin: 0 auto var(--space-xl);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--lii-white);
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.7;
}

.footer-column h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--lii-white);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-column li {
  margin-bottom: var(--space-xs);
}

.footer-column a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

/* ===== UTILITY CLASSES ===== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

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

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease forwards;
}

/* ===== WOOCOMMERCE OVERRIDES ===== */
.woocommerce-products-header__title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--lii-primary);
  margin-bottom: var(--space-md);
}

.woocommerce-result-count {
  color: var(--lii-text-light);
}

.woocommerce-ordering select {
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--lii-border);
  border-radius: 4px;
  background: var(--lii-white);
}

/* Product loop */
.woocommerce ul.products li.product {
  background: var(--lii-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--lii-border);
  transition: all var(--transition-base);
}

.woocommerce ul.products li.product:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.woocommerce ul.products li.product .woocommerce-loop-product__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--lii-primary);
  padding: var(--space-sm) var(--space-md) 0;
}

.woocommerce ul.products li.product .price {
  color: var(--lii-accent);
  font-weight: 700;
  font-size: 1.125rem;
  padding: 0 var(--space-md);
}

.woocommerce ul.products li.product .button {
  background: var(--lii-primary);
  color: var(--lii-white);
  border-radius: 4px;
  margin: var(--space-sm) var(--space-md) var(--space-md);
  transition: all var(--transition-fast);
}

.woocommerce ul.products li.product .button:hover {
  background: var(--lii-accent);
}

/* Single product */
.woocommerce div.product .product_title {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--lii-primary);
}

.woocommerce div.product .price {
  color: var(--lii-accent);
  font-size: 1.5rem;
  font-weight: 700;
}

.woocommerce div.product .woocommerce-product-details__short-description {
  color: var(--lii-text-light);
  font-size: 1rem;
  line-height: 1.7;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero-section {
    padding: var(--space-xl) var(--space-md);
  }
  
  .hero-section h1 {
    font-size: 2rem;
  }
  
  .category-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .site-header,
  .hero-section,
  .site-footer {
    display: none;
  }
}