/* 
 * Xlong Textile - B2B Jacquard Fabric Website
 * Professional Style for International Trade
 */

:root {
  --primary-color: #1a365d;
  --secondary-color: #c9a227;
  --accent-color: #2d5a7b;
  --text-dark: #1a202c;
  --text-light: #718096;
  --bg-light: #f7fafc;
  --white: #ffffff;
  --border-color: #e2e8f0;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Header */
.header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.top-bar {
  background: var(--primary-color);
  color: var(--white);
  padding: 8px 0;
  font-size: 13px;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.top-bar a { color: var(--white); text-decoration: none; margin-left: 20px; }

.navbar { padding: 15px 0; }

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.logo span { color: var(--secondary-color); }

.nav-menu {
  display: flex;
  list-style: none;
  gap: 35px;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color 0.3s;
}

.nav-menu a:hover { color: var(--secondary-color); }

.lang-selector select {
  padding: 5px 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 13px;
  background: var(--white);
  color: var(--text-dark);
}

/* Hero */
.hero {
  margin-top: 120px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  color: var(--white);
  padding: 100px 0;
}

.hero .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 20px;
  margin-bottom: 30px;
  opacity: 0.9;
}

.hero-buttons { display: flex; gap: 20px; }

.btn {
  display: inline-block;
  padding: 15px 35px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: #b89220;
  transform: translateY(-2px);
}

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

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

/* Features */
.features {
  padding: 80px 0;
  background: var(--bg-light);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 36px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.section-title p {
  color: var(--text-light);
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.feature-card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transition: transform 0.3s;
}

.feature-card:hover { transform: translateY(-5px); }

.feature-icon { font-size: 48px; margin-bottom: 20px; }

.feature-card h3 {
  font-size: 20px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.feature-card p {
  color: var(--text-light);
  font-size: 14px;
}

/* Products */
.products {
  padding: 80px 0;
  max-width: 1200px;
  margin: 0 auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  padding: 0 20px;
}

.product-card {
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  transition: all 0.3s;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.product-image {
  height: 280px;
  background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-info { padding: 25px; }

.product-info h3 {
  font-size: 20px;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.product-info p {
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 15px;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 15px;
  border-top: 1px solid var(--border-color);
}

/* Factory */
.factory {
  padding: 80px 0;
  background: var(--primary-color);
  color: var(--white);
}

.factory .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.factory .section-title h2 { color: var(--white); }

.factory .section-title p { color: rgba(255,255,255,0.8); }

.factory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  padding: 0 20px;
}

.factory-card {
  background: rgba(255,255,255,0.1);
  padding: 30px;
  border-radius: 8px;
  text-align: center;
}

.factory-card h3 {
  font-size: 42px;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 10px;
}

.factory-card p { font-size: 16px; opacity: 0.9; }

/* Inquiry */
.inquiry {
  padding: 80px 0;
  background: var(--bg-light);
}

.inquiry .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.inquiry-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 {
  font-size: 28px;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--text-light);
  margin-bottom: 30px;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 20px;
  margin-right: 15px;
}

.inquiry-form {
  background: var(--white);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.inquiry-form h3 {
  font-size: 24px;
  color: var(--primary-color);
  margin-bottom: 30px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 15px;
  font-family: inherit;
}

.form-group textarea {
  height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* Footer */
.footer {
  background: var(--primary-color);
  color: var(--white);
  padding: 60px 0 30px;
}

.footer .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-logo span { color: var(--secondary-color); }

.footer-about p {
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  line-height: 1.8;
}

.footer-links h4 {
  font-size: 16px;
  margin-bottom: 20px;
  color: var(--secondary-color);
}

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

.footer-links li { margin-bottom: 12px; }

.footer-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}

.footer-links a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 30px;
  text-align: center;
  color: rgba(255,255,255,0.5);
  font-size: 13px;
}

/* Responsive */
@media (max-width: 992px) {
  .features-grid, .products-grid, .factory-grid, .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .hero h1 { font-size: 32px; }
  .features-grid, .products-grid, .factory-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .inquiry-container { grid-template-columns: 1fr; }
}