/* =========== RESET & BASE =========== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #0a1628;
  --primary-light: #1a2a4a;
  --steel: #2d3748;
  --steel-light: #4a5568;
  --accent: #e67e22;
  --accent-hover: #d35400;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --text-dark: #1a202c;
  --text-light: #718096;
  --border: #e2e8f0;
  --success: #38a169;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.3s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container: 1200px;
}

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

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

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

ul {
  list-style: none;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  margin-bottom: 40px;
  max-width: 720px;
  line-height: 1.7;
}

/* =========== BUTTONS =========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(230, 126, 34, 0.35);
}

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

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

/* =========== HEADER / NAV =========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--primary);
  color: white;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  color: white;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
  position: relative;
}

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

.nav a:hover {
  color: white;
}

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

.lang-toggle {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font);
  transition: all var(--transition);
}

.lang-toggle:hover {
  background: rgba(255,255,255,0.2);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.mobile-toggle span {
  width: 26px;
  height: 2.5px;
  background: white;
  border-radius: 2px;
  transition: all var(--transition);
}

/* =========== HERO =========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: white;
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.92) 0%, rgba(10,22,40,0.7) 50%, rgba(26,42,74,0.6) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  pointer-events: auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(230,126,34,0.15);
  border: 1px solid rgba(230,126,34,0.3);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 580px;
  text-shadow: 0 1px 12px rgba(0,0,0,0.4);
}

.hero .btn {
  font-size: 1rem;
  padding: 14px 34px;
}

/* =========== ABOUT =========== */
.about {
  background: var(--bg-light);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat-card {
  background: var(--bg-white);
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
  border: 1px solid var(--border);
}

.stat-card .stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
}

.stat-card .stat-label {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 4px;
}

/* =========== PRODUCTS =========== */
.products {
  background: var(--bg-white);
}

.product-section {
  margin-bottom: 64px;
}

.product-section:last-child {
  margin-bottom: 0;
}

.product-section h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.product-section > p {
  color: var(--text-light);
  margin-bottom: 24px;
  line-height: 1.7;
}

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.product-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.product-table thead {
  background: var(--primary);
  color: white;
}

.product-table th {
  padding: 14px 18px;
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-table td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dark);
}

.product-table tbody tr:hover {
  background: #f7fafc;
}

.product-table tbody tr:last-child td {
  border-bottom: none;
}

.specialty-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.specialty-item {
  background: var(--bg-light);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: var(--radius);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  transition: all var(--transition);
}

.specialty-item:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.specialty-item .product-img {
  width: 70px;
  height: 70px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: var(--bg-white);
}

.specialty-item .icon {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.specialty-item p {
  font-size: 0.9rem;
  color: var(--text-dark);
  line-height: 1.5;
}

.specialty-item strong {
  font-size: 0.95rem;
  display: block;
  margin-bottom: 4px;
  color: var(--primary);
}

.plating-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.plating-tag {
  background: var(--bg-light);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--steel);
  transition: all var(--transition);
}

.plating-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* =========== CONTACT / RFQ =========== */
.contact {
  background: var(--bg-light);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
}

.contact-info {
  padding: 32px;
  background: var(--primary);
  border-radius: var(--radius-lg);
  color: white;
}

.contact-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info p {
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-bottom: 24px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.contact-detail .icon {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-detail a {
  color: var(--accent);
  font-weight: 600;
}

.contact-detail a:hover {
  text-decoration: underline;
}

.rfq-form {
  background: var(--bg-white);
  padding: 36px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.rfq-form h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--steel);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font);
  transition: border-color var(--transition);
  background: var(--bg-white);
  color: var(--text-dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.rfq-form .btn {
  margin-top: 20px;
  width: 100%;
  justify-content: center;
  padding: 14px;
  font-size: 1rem;
}

.form-success {
  text-align: center;
  padding: 40px 20px;
}

.form-success .icon {
  width: 64px;
  height: 64px;
  background: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: white;
  margin: 0 auto 20px;
}

.form-success p {
  font-size: 1.1rem;
  color: var(--text-dark);
  font-weight: 500;
}

/* =========== FOOTER =========== */
.footer {
  background: var(--primary);
  color: white;
  padding: 40px 0;
  text-align: center;
}

.footer p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

.footer a {
  color: var(--accent);
  font-weight: 600;
}

.footer a:hover {
  text-decoration: underline;
}

/* =========== RESPONSIVE =========== */
@media (max-width: 968px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .specialty-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--primary);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  
  .nav.open {
    display: flex;
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 1.6rem;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .rfq-form {
    padding: 24px;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.7rem;
  }
  
  .container {
    padding: 0 16px;
  }
  
  .section {
    padding: 40px 0;
  }
}