/* ===== CSS Variables ===== */
:root {
  --navy-900: #0A1F3A;
  --navy-800: #0D2B4E;
  --navy-700: #143A66;
  --navy-600: #1A4A7F;
  --orange-500: #FF6B35;
  --orange-600: #E85A28;
  --orange-100: #FFF0E8;
  --gray-50: #F8F9FB;
  --gray-100: #F1F3F6;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E0;
  --gray-500: #718096;
  --gray-700: #2D3748;
  --gray-900: #1A202C;
  --white: #FFFFFF;
  --success: #22C55E;
  --error: #EF4444;
  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Source Sans 3', 'Segoe UI', Tahoma, sans-serif;
  --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 10px 30px rgba(0,0,0,0.15);
  --radius: 6px;
  --radius-lg: 12px;
  --transition: all 0.3s ease;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 1rem; }

/* ===== Utility ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--gray-50); }
.section-title {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--navy-800);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  text-align: center;
}
.section-subtitle {
  text-align: center;
  color: var(--gray-500);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto 48px;
}
.title-divider {
  width: 60px;
  height: 4px;
  background: var(--orange-500);
  margin: 0 auto 24px;
  border-radius: 2px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--orange-500);
  color: var(--white);
  border-color: var(--orange-500);
}
.btn-primary:hover { background: var(--orange-600); border-color: var(--orange-600); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,107,53,0.35); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover { background: var(--white); color: var(--navy-800); }
.btn-navy {
  background: var(--navy-800);
  color: var(--white);
  border-color: var(--navy-800);
}
.btn-navy:hover { background: var(--navy-700); border-color: var(--navy-700); }
.btn-sm { padding: 8px 20px; font-size: 0.85rem; }
.btn-danger { background: var(--error); color: var(--white); border-color: var(--error); }
.btn-danger:hover { background: #DC2626; }

/* ===== Top Bar ===== */
.top-bar {
  background: var(--navy-900);
  color: rgba(255,255,255,0.8);
  font-size: 0.85rem;
  padding: 8px 0;
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.top-bar-info { display: flex; gap: 24px; align-items: center; }
.top-bar-info span { display: flex; align-items: center; gap: 6px; }
.top-bar-info svg { width: 14px; height: 14px; fill: var(--orange-500); }

/* ===== Navigation ===== */
.navbar {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 40px; height: 40px;
  background: var(--navy-800);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.logo-icon svg { width: 24px; height: 24px; }
.logo-text { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; color: var(--navy-800); text-transform: uppercase; letter-spacing: 1px; }
.logo-text span { color: var(--orange-500); }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  padding: 10px 16px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-700);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--orange-500); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 24px; height: 3px;
  background: var(--orange-500);
  border-radius: 2px;
}
.nav-actions { display: flex; align-items: center; gap: 12px; }
.lang-switch {
  display: flex;
  background: var(--gray-100);
  border-radius: 20px;
  padding: 3px;
}
.lang-switch button {
  padding: 5px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 18px;
  color: var(--gray-500);
  transition: var(--transition);
  text-transform: uppercase;
}
.lang-switch button.active { background: var(--navy-800); color: var(--white); }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.mobile-toggle span { width: 24px; height: 2px; background: var(--navy-800); transition: var(--transition); border-radius: 2px; }

/* ===== Hero Carousel ===== */
.hero { position: relative; height: 600px; overflow: hidden; }
.hero-slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0;
  transition: opacity 1s ease;
  display: flex;
  align-items: center;
}
.hero-slide.active { opacity: 1; }
.hero-slide::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(135deg, rgba(10,31,58,0.85) 0%, rgba(13,43,78,0.6) 100%);
}
.hero-slide img {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  color: var(--white);
}
.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--orange-500);
  margin-bottom: 16px;
  padding: 6px 16px;
  border: 1px solid var(--orange-500);
  border-radius: 20px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  text-transform: uppercase;
  margin-bottom: 20px;
  max-width: 700px;
}
.hero-title span { color: var(--orange-500); }
.hero-desc {
  font-size: 1.2rem;
  max-width: 560px;
  margin-bottom: 32px;
  opacity: 0.9;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 5;
}
.hero-dots button {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  transition: var(--transition);
}
.hero-dots button.active { background: var(--orange-500); width: 36px; border-radius: 6px; }
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.hero-arrow:hover { background: var(--orange-500); }
.hero-arrow.prev { left: 24px; }
.hero-arrow.next { right: 24px; }
.hero-arrow svg { width: 20px; height: 20px; fill: currentColor; }

/* ===== Advantages ===== */
.advantages { padding: 60px 0; background: var(--navy-800); position: relative; }
.advantages::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--orange-500), var(--navy-600));
}
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.advantage-card {
  text-align: center;
  padding: 32px 24px;
  color: var(--white);
  position: relative;
}
.advantage-card:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -16px;
  top: 20%;
  height: 60%;
  width: 1px;
  background: rgba(255,255,255,0.15);
}
.advantage-icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  background: rgba(255,107,53,0.15);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.advantage-icon svg { width: 32px; height: 32px; fill: var(--orange-500); }
.advantage-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.advantage-desc { font-size: 0.95rem; opacity: 0.8; line-height: 1.7; }

/* ===== Product Categories (Home) ===== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 320px;
  cursor: pointer;
  transition: var(--transition);
}
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.category-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.category-card:hover img { transform: scale(1.08); }
.category-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(to top, rgba(10,31,58,0.92) 0%, rgba(10,31,58,0.3) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
  color: var(--white);
}
.category-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.category-desc { font-size: 0.95rem; opacity: 0.85; margin-bottom: 16px; }
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--orange-500);
}
.category-link svg { width: 16px; height: 16px; fill: currentColor; transition: transform 0.3s; }
.category-card:hover .category-link svg { transform: translateX(4px); }

/* ===== Why Choose Us ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.why-item:hover { border-color: var(--orange-500); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.why-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--orange-500);
  line-height: 1;
  margin-bottom: 8px;
}
.why-label {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--navy-800);
  margin-bottom: 8px;
}
.why-desc { font-size: 0.85rem; color: var(--gray-500); }

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--orange-500);
  transition: var(--transition);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.testimonial-stars { display: flex; gap: 4px; margin-bottom: 16px; }
.testimonial-stars svg { width: 18px; height: 18px; fill: #FBBF24; }
.testimonial-text { font-size: 0.95rem; line-height: 1.8; color: var(--gray-700); margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--navy-800);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
}
.testimonial-name { font-weight: 600; color: var(--navy-800); font-size: 0.95rem; }
.testimonial-role { font-size: 0.8rem; color: var(--gray-500); }

/* ===== Quote Form (Home) ===== */
.quote-section {
  background: var(--navy-800);
  position: relative;
  overflow: hidden;
}
.quote-section::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,107,53,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.quote-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.quote-info h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  line-height: 1.2;
  margin-bottom: 20px;
}
.quote-info h2 span { color: var(--orange-500); }
.quote-info p { color: rgba(255,255,255,0.8); font-size: 1.05rem; margin-bottom: 24px; line-height: 1.8; }
.quote-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.quote-feature { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,0.9); font-size: 0.95rem; }
.quote-feature svg { width: 20px; height: 20px; fill: var(--orange-500); flex-shrink: 0; }
.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: #25D366;
  color: var(--white);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.95rem;
  transition: var(--transition);
}
.whatsapp-btn:hover { background: #1FB857; transform: translateY(-2px); }
.whatsapp-btn svg { width: 22px; height: 22px; fill: currentColor; }
.quote-form {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.quote-form h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--navy-800);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 0.95rem;
  transition: var(--transition);
  background: var(--white);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--orange-500);
  box-shadow: 0 0 0 3px rgba(255,107,53,0.1);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit { width: 100%; margin-top: 8px; }

/* ===== Products Page ===== */
.page-header {
  background: var(--navy-800);
  padding: 60px 0;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  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");
}
.page-header h1 {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  z-index: 2;
}
.page-header p { font-size: 1.1rem; opacity: 0.8; margin-top: 12px; position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 0.9rem;
  position: relative;
  z-index: 2;
}
.breadcrumb a { color: var(--orange-500); }
.breadcrumb span { opacity: 0.6; }

.products-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 10px 24px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 2px solid var(--gray-200);
  border-radius: 30px;
  color: var(--gray-500);
  transition: var(--transition);
  background: var(--white);
}
.filter-btn:hover { border-color: var(--orange-500); color: var(--orange-500); }
.filter-btn.active { background: var(--navy-800); border-color: var(--navy-800); color: var(--white); }

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--gray-100);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-image {
  position: relative;
  height: 240px;
  background: var(--gray-50);
  overflow: hidden;
}
.product-image img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 20px;
  transition: transform 0.5s ease;
}
.product-card:hover .product-image img { transform: scale(1.08); }
.product-badge {
  position: absolute;
  top: 12px; left: 12px;
  padding: 4px 12px;
  background: var(--orange-500);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  border-radius: 4px;
  letter-spacing: 0.5px;
}
.product-info { padding: 20px; }
.product-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--orange-500);
  margin-bottom: 6px;
}
.product-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy-800);
  margin-bottom: 10px;
  line-height: 1.3;
}
.product-specs {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 16px;
  line-height: 1.6;
}
.product-specs strong { color: var(--gray-700); }
.product-actions { display: flex; gap: 8px; }
.product-actions .btn { flex: 1; }

/* ===== About Page ===== */
.about-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.about-image img { width: 100%; height: 400px; object-fit: cover; }
.about-image::after {
  content: '';
  position: absolute;
  top: 20px; left: 20px;
  right: -20px; bottom: -20px;
  border: 3px solid var(--orange-500);
  border-radius: var(--radius-lg);
  z-index: -1;
}
.about-content h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--navy-800);
  text-transform: uppercase;
  margin-bottom: 20px;
  line-height: 1.2;
}
.about-content h2 span { color: var(--orange-500); }
.about-content p { margin-bottom: 16px; line-height: 1.8; color: var(--gray-700); }
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.about-stat {
  text-align: center;
  padding: 20px;
  background: var(--gray-50);
  border-radius: var(--radius);
}
.about-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--orange-500);
}
.about-stat-label { font-size: 0.8rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.5px; }

/* Timeline */
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 3px;
  background: var(--gray-200);
  transform: translateX(-50%);
}
.timeline-item {
  display: flex;
  margin-bottom: 40px;
  position: relative;
}
.timeline-item:nth-child(odd) { flex-direction: row-reverse; }
.timeline-content {
  width: 45%;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--orange-500);
}
.timeline-item:nth-child(odd) .timeline-content { border-left: none; border-right: 4px solid var(--orange-500); text-align: right; }
.timeline-year {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--orange-500);
  margin-bottom: 8px;
}
.timeline-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy-800);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.timeline-desc { font-size: 0.9rem; color: var(--gray-500); line-height: 1.7; }
.timeline-dot {
  position: absolute;
  left: 50%;
  top: 28px;
  transform: translateX(-50%);
  width: 18px; height: 18px;
  background: var(--orange-500);
  border-radius: 50%;
  border: 4px solid var(--white);
  box-shadow: 0 0 0 2px var(--orange-500);
  z-index: 2;
}

/* Quality Process */
.quality-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.quality-step {
  text-align: center;
  padding: 32px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  position: relative;
  border: 1px solid var(--gray-200);
}
.quality-step-num {
  width: 48px; height: 48px;
  margin: 0 auto 16px;
  background: var(--navy-800);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}
.quality-step-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy-800);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.quality-step-desc { font-size: 0.85rem; color: var(--gray-500); line-height: 1.6; }

/* OEM/ODM */
.oem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.oem-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.oem-image img { width: 100%; height: 360px; object-fit: cover; }
.oem-content h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--navy-800);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.oem-list { display: flex; flex-direction: column; gap: 14px; }
.oem-item { display: flex; gap: 14px; align-items: flex-start; }
.oem-item-icon {
  width: 36px; height: 36px;
  background: var(--orange-100);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.oem-item-icon svg { width: 18px; height: 18px; fill: var(--orange-500); }
.oem-item-text h4 { font-weight: 600; color: var(--navy-800); margin-bottom: 4px; font-size: 0.95rem; }
.oem-item-text p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.6; }

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.contact-info-card {
  background: var(--navy-800);
  color: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
}
.contact-info-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start; }
.contact-item-icon {
  width: 44px; height: 44px;
  background: rgba(255,107,53,0.15);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-item-icon svg { width: 22px; height: 22px; fill: var(--orange-500); }
.contact-item-text h4 { font-weight: 600; margin-bottom: 4px; font-size: 0.95rem; }
.contact-item-text p { font-size: 0.9rem; opacity: 0.8; line-height: 1.6; }
.response-promise {
  margin-top: 32px;
  padding: 20px;
  background: rgba(255,107,53,0.15);
  border-radius: var(--radius);
  border-left: 4px solid var(--orange-500);
  display: flex;
  align-items: center;
  gap: 14px;
}
.response-promise svg { width: 32px; height: 32px; fill: var(--orange-500); flex-shrink: 0; }
.response-promise-text strong { display: block; font-family: var(--font-display); font-size: 1.1rem; text-transform: uppercase; }
.response-promise-text span { font-size: 0.85rem; opacity: 0.8; }

.contact-form-card {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.contact-form-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--navy-800);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.file-upload-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: 6px;
}
.file-upload-hint svg { width: 14px; height: 14px; fill: var(--gray-500); }

.map-section { margin-top: 48px; }
.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 400px;
  background: var(--gray-100);
  position: relative;
}
.map-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--navy-700) 0%, var(--navy-900) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  gap: 16px;
}
.map-placeholder svg { width: 48px; height: 48px; fill: var(--orange-500); }
.map-placeholder p { font-size: 1rem; opacity: 0.8; text-align: center; max-width: 400px; }
.map-placeholder code { background: rgba(255,255,255,0.1); padding: 4px 10px; border-radius: 4px; font-size: 0.85rem; }

/* ===== Admin Panel ===== */
.admin-layout { display: flex; min-height: calc(100vh - 72px); background: var(--gray-50); }
.admin-sidebar {
  width: 260px;
  background: var(--navy-900);
  color: var(--white);
  padding: 24px 0;
  flex-shrink: 0;
}
.admin-sidebar-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.4);
  padding: 0 24px;
  margin-bottom: 12px;
}
.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  transition: var(--transition);
  border-left: 3px solid transparent;
  font-size: 0.95rem;
}
.admin-nav-item:hover { background: rgba(255,255,255,0.05); color: var(--white); }
.admin-nav-item.active { background: rgba(255,107,53,0.1); color: var(--orange-500); border-left-color: var(--orange-500); }
.admin-nav-item svg { width: 18px; height: 18px; fill: currentColor; }
.admin-main { flex: 1; padding: 32px; overflow-x: auto; }
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.admin-header h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--navy-800);
  text-transform: uppercase;
}
.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.admin-stat-card {
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 16px;
}
.admin-stat-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}
.admin-stat-icon svg { width: 26px; height: 26px; fill: var(--white); }
.admin-stat-value { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; color: var(--navy-800); }
.admin-stat-label { font-size: 0.8rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.5px; }

.admin-table {
  width: 100%;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border-collapse: collapse;
}
.admin-table th {
  background: var(--navy-800);
  color: var(--white);
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.admin-table td { padding: 14px 16px; border-bottom: 1px solid var(--gray-100); font-size: 0.9rem; }
.admin-table tr:hover { background: var(--gray-50); }
.admin-table tr:last-child td { border-bottom: none; }
.admin-actions { display: flex; gap: 8px; }
.admin-action-btn {
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 4px;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.admin-action-btn.edit { background: var(--navy-100); color: var(--navy-800); background: #EBF2FA; }
.admin-action-btn.edit:hover { background: var(--navy-800); color: var(--white); }
.admin-action-btn.delete { background: #FEE2E2; color: var(--error); }
.admin-action-btn.delete:hover { background: var(--error); color: var(--white); }

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.modal-overlay.show { opacity: 1; visibility: visible; }
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: var(--transition);
}
.modal-overlay.show .modal { transform: translateY(0); }
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
}
.modal-header h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--navy-800);
  text-transform: uppercase;
}
.modal-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: var(--gray-100); }
.modal-close svg { width: 18px; height: 18px; fill: var(--gray-500); }
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Admin Login */
.admin-login {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-50);
  padding: 40px 20px;
}
.admin-login-card {
  background: var(--white);
  padding: 48px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
  text-align: center;
}
.admin-login-icon {
  width: 72px; height: 72px;
  background: var(--navy-800);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
}
.admin-login-icon svg { width: 36px; height: 36px; fill: var(--orange-500); }
.admin-login-card h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--navy-800);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.admin-login-card p { color: var(--gray-500); margin-bottom: 32px; font-size: 0.95rem; }
.admin-login-hint {
  margin-top: 20px;
  padding: 12px;
  background: var(--gray-50);
  border-radius: var(--radius);
  font-size: 0.8rem;
  color: var(--gray-500);
}
.admin-login-hint code { background: var(--white); padding: 2px 8px; border-radius: 4px; color: var(--orange-500); font-weight: 600; }

/* ===== Footer ===== */
.footer {
  background: var(--navy-900);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .logo-text { color: var(--white); margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.8; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--orange-500); transform: translateY(-2px); }
.footer-social svg { width: 18px; height: 18px; fill: var(--white); }
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.9rem; transition: var(--transition); }
.footer-col a:hover { color: var(--orange-500); }
.footer-contact-item { display: flex; gap: 10px; margin-bottom: 14px; font-size: 0.9rem; align-items: flex-start; }
.footer-contact-item svg { width: 16px; height: 16px; fill: var(--orange-500); flex-shrink: 0; margin-top: 3px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
}
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { transition: var(--transition); }
.footer-bottom-links a:hover { color: var(--orange-500); }

/* ===== Cookie Banner ===== */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 560px;
  background: var(--navy-900);
  color: var(--white);
  padding: 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transform: translateY(120%);
  transition: transform 0.4s ease;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.cookie-banner.show { transform: translateY(0); }
.cookie-icon {
  width: 48px; height: 48px;
  background: rgba(255,107,53,0.15);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.cookie-icon svg { width: 24px; height: 24px; fill: var(--orange-500); }
.cookie-content h4 { font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; margin-bottom: 6px; text-transform: uppercase; }
.cookie-content p { font-size: 0.85rem; line-height: 1.6; opacity: 0.8; margin-bottom: 14px; }
.cookie-content a { color: var(--orange-500); text-decoration: underline; }
.cookie-actions { display: flex; gap: 10px; }
.cookie-actions .btn { padding: 8px 20px; font-size: 0.8rem; }

/* ===== WhatsApp Float ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px; height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  z-index: 998;
  transition: var(--transition);
  animation: pulse 2s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); }
.whatsapp-float svg { width: 28px; height: 28px; fill: var(--white); }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.4); }
  70% { box-shadow: 0 0 0 15px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* ===== Chat Widget ===== */
.chat-widget {
  position: fixed;
  bottom: 96px;
  right: 24px;
  width: 340px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 997;
  overflow: hidden;
  transform: translateY(20px);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.chat-widget.show { transform: translateY(0); opacity: 1; visibility: visible; }
.chat-header {
  background: var(--navy-800);
  color: var(--white);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.chat-header-info { display: flex; align-items: center; gap: 10px; }
.chat-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--orange-500);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}
.chat-header-text h4 { font-size: 0.95rem; font-weight: 600; }
.chat-header-text span { font-size: 0.75rem; opacity: 0.7; }
.chat-close { color: var(--white); opacity: 0.7; transition: var(--transition); }
.chat-close:hover { opacity: 1; }
.chat-close svg { width: 18px; height: 18px; fill: currentColor; }
.chat-body {
  height: 280px;
  overflow-y: auto;
  padding: 16px;
  background: var(--gray-50);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chat-msg {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.85rem;
  line-height: 1.5;
}
.chat-msg.bot { background: var(--white); align-self: flex-start; border-bottom-left-radius: 4px; box-shadow: var(--shadow-sm); }
.chat-msg.user { background: var(--navy-800); color: var(--white); align-self: flex-end; border-bottom-right-radius: 4px; }
.chat-input {
  display: flex;
  padding: 12px;
  border-top: 1px solid var(--gray-200);
  gap: 8px;
}
.chat-input input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: 20px;
  font-size: 0.85rem;
  outline: none;
}
.chat-input input:focus { border-color: var(--orange-500); }
.chat-input button {
  width: 40px; height: 40px;
  background: var(--orange-500);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.chat-input button:hover { background: var(--orange-600); }
.chat-input button svg { width: 18px; height: 18px; fill: var(--white); }
.chat-toggle {
  position: fixed;
  bottom: 24px;
  right: 96px;
  width: 56px; height: 56px;
  background: var(--navy-800);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 996;
  transition: var(--transition);
  cursor: pointer;
}
.chat-toggle:hover { background: var(--navy-700); transform: scale(1.05); }
.chat-toggle svg { width: 26px; height: 26px; fill: var(--white); }

/* ===== Toast ===== */
.toast {
  position: fixed;
  top: 100px;
  right: 24px;
  padding: 16px 24px;
  background: var(--navy-800);
  color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  transform: translateX(120%);
  transition: transform 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  max-width: 360px;
}
.toast.show { transform: translateX(0); }
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--error); }
.toast svg { width: 20px; height: 20px; flex-shrink: 0; }
.toast.success svg { fill: var(--success); }
.toast.error svg { fill: var(--error); }

/* ===== Privacy Modal ===== */
.privacy-modal .modal { max-width: 700px; }
.privacy-content { font-size: 0.9rem; line-height: 1.8; color: var(--gray-700); }
.privacy-content h4 { font-family: var(--font-display); color: var(--navy-800); margin: 20px 0 8px; font-size: 1.05rem; text-transform: uppercase; }
.privacy-content p { margin-bottom: 12px; }
.privacy-content ul { padding-left: 20px; margin-bottom: 12px; }
.privacy-content li { margin-bottom: 6px; list-style: disc; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero { height: 500px; }
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }
  .advantages-grid { grid-template-columns: repeat(3, 1fr); gap: 0; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .quality-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stats { grid-template-columns: repeat(3, 1fr); }
  .oem-grid { grid-template-columns: 1fr; gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .admin-stats { grid-template-columns: repeat(2, 1fr); }
  .quote-grid { grid-template-columns: 1fr; gap: 28px; }
  .top-bar-info { gap: 16px; font-size: 0.8rem; }
  .nav-links { gap: 4px; }
  .nav-links a { padding: 8px 10px; font-size: 0.9rem; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-title { font-size: 1.75rem; }
  .hero { height: 480px; }
  .hero-title { font-size: 2.2rem; }
  .hero-desc { font-size: 1rem; }
  .hero-arrow { display: none; }
  .advantages-grid { grid-template-columns: 1fr; gap: 0; }
  .advantage-card:not(:last-child)::after { display: none; }
  .advantage-card { border-bottom: 1px solid rgba(255,255,255,0.1); }
  .categories-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .quote-grid { grid-template-columns: 1fr; gap: 32px; }
  .quote-info h2 { font-size: 1.8rem; }
  .quote-form { padding: 28px; }
  .products-grid { grid-template-columns: 1fr; }
  .about-hero { grid-template-columns: 1fr; gap: 32px; }
  .about-image::after { display: none; }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .about-stat { padding: 14px 8px; }
  .about-stat-num { font-size: 1.4rem; }
  .timeline::before { left: 20px; }
  .timeline-item, .timeline-item:nth-child(odd) { flex-direction: row; padding-left: 50px; }
  .timeline-content, .timeline-item:nth-child(odd) .timeline-content {
    width: 100%;
    border-left: 4px solid var(--orange-500);
    border-right: none;
    text-align: left;
  }
  .timeline-dot { left: 20px; }
  .oem-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-info-card, .contact-form-card { padding: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    z-index: 99;
    gap: 4px;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { width: 100%; padding: 12px 16px; }
  .mobile-toggle { display: flex; }
  .top-bar-info { gap: 12px; font-size: 0.75rem; }
  .top-bar-info span:nth-child(2) { display: none; }
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; padding: 12px 0; }
  .admin-sidebar-title { display: none; }
  .admin-nav-item { padding: 10px 16px; font-size: 0.85rem; }
  .admin-main { padding: 20px 16px; }
  .admin-stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .admin-stat-card { padding: 16px; }
  .admin-stat-value { font-size: 1.4rem; }
  .admin-table { font-size: 0.8rem; }
  .admin-table th, .admin-table td { padding: 10px 8px; }
  .chat-widget { width: calc(100% - 32px); right: 16px; bottom: 88px; }
  .chat-toggle { right: 88px; width: 48px; height: 48px; }
  .whatsapp-float { width: 48px; height: 48px; }
  .cookie-banner { left: 16px; right: 16px; flex-direction: column; }
  .page-header h1 { font-size: 2rem; }
  .map-container { height: 300px; }
  .about-image img { height: 280px; }
  .oem-image img { height: 280px; }
  .product-image { height: 220px; }
  .hero { height: 440px; }
  .container { padding: 0 16px; }
  .section { padding: 48px 0; }
  .section-title { font-size: 1.6rem; }
  .section-subtitle { font-size: 0.95rem; }
  .top-bar { padding: 6px 0; }
  .top-bar-info { gap: 12px; font-size: 0.75rem; flex-wrap: wrap; }
  .top-bar-info span:nth-child(2) { display: none; }
  .navbar .container { height: 64px; }
  .logo-text { font-size: 1.1rem; }
  .lang-switch button { padding: 5px 10px; font-size: 0.75rem; }
  .hero-title { font-size: 2rem; line-height: 1.2; }
  .hero-desc { font-size: 0.95rem; }
  .btn { padding: 12px 24px; font-size: 0.9rem; }
  .btn-lg { padding: 14px 28px; font-size: 0.95rem; }
  .advantages-grid { grid-template-columns: 1fr; gap: 0; }
  .advantage-card { padding: 24px 20px; }
  .advantage-card:not(:last-child)::after { display: none; }
  .advantage-card { border-bottom: 1px solid rgba(255,255,255,0.1); }
  .categories-grid { grid-template-columns: 1fr; }
  .category-card { height: 260px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .testimonial-card { padding: 24px; }
  .quote-grid { grid-template-columns: 1fr; gap: 28px; }
  .quote-info h2 { font-size: 1.6rem; }
  .quote-form { padding: 24px; }
  .products-grid { grid-template-columns: 1fr; }
  .product-card { padding: 0; }
  .product-info { padding: 20px; }
  .about-hero { grid-template-columns: 1fr; gap: 28px; }
  .about-image::after { display: none; }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .about-stat { padding: 16px 10px; }
  .about-stat-num { font-size: 1.3rem; }
  .about-stat-label { font-size: 0.75rem; }
  .timeline::before { left: 20px; }
  .timeline-item, .timeline-item:nth-child(odd) { flex-direction: row; padding-left: 50px; padding-right: 0; }
  .timeline-content, .timeline-item:nth-child(odd) .timeline-content {
    width: 100%;
    border-left: 4px solid var(--orange-500);
    border-right: none;
    text-align: left;
    padding: 16px 20px;
  }
  .timeline-dot { left: 20px; }
  .timeline-year { font-size: 0.85rem; }
  .oem-grid { grid-template-columns: 1fr; gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-info-card, .contact-form-card { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 8px; }
  .footer-links { gap: 16px; }
  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 16px;
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    z-index: 99;
    gap: 4px;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { width: 100%; padding: 12px 16px; font-size: 0.95rem; }
  .mobile-toggle { display: flex; }
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; padding: 12px 0; }
  .admin-sidebar-title { display: none; }
  .admin-nav-item { padding: 10px 16px; font-size: 0.85rem; }
  .admin-main { padding: 20px 16px; }
  .admin-stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .admin-stat-card { padding: 16px; }
  .admin-stat-value { font-size: 1.3rem; }
  .admin-table { font-size: 0.8rem; }
  .admin-table th, .admin-table td { padding: 10px 8px; }
  .chat-widget { width: calc(100% - 32px); right: 16px; bottom: 88px; }
  .chat-toggle { right: 88px; width: 48px; height: 48px; }
  .whatsapp-float { width: 48px; height: 48px; bottom: 20px; right: 20px; }
  .cookie-banner { left: 16px; right: 16px; flex-direction: column; gap: 12px; padding: 16px; }
  .cookie-banner p { font-size: 0.85rem; }
  .page-header h1 { font-size: 1.8rem; }
  .page-header p { font-size: 0.95rem; }
  .products-filter { gap: 8px; flex-wrap: wrap; }
  .filter-btn { padding: 8px 16px; font-size: 0.8rem; }
}

@media (max-width: 480px) {
  .hero { height: 360px; }
  .hero-title { font-size: 1.6rem; }
  .hero-desc { font-size: 0.9rem; }
  .section { padding: 40px 0; }
  .section-title { font-size: 1.4rem; }
  .section-subtitle { font-size: 0.85rem; }
  .container { padding: 0 14px; }
  .top-bar-info { font-size: 0.7rem; gap: 8px; }
  .top-bar-info span:nth-child(3) { display: none; }
  .logo-text { font-size: 1rem; }
  .lang-switch { display: none; }
  .btn { padding: 10px 20px; font-size: 0.85rem; }
  .btn-lg { padding: 12px 24px; font-size: 0.9rem; }
  .advantage-card { padding: 20px 16px; }
  .advantage-title { font-size: 1.05rem; }
  .advantage-desc { font-size: 0.85rem; }
  .category-card { height: 220px; }
  .category-title { font-size: 1.1rem; }
  .category-desc { font-size: 0.8rem; }
  .testimonial-card { padding: 20px; }
  .testimonial-message { font-size: 0.9rem; }
  .quote-form { padding: 20px; }
  .form-group input, .form-group select, .form-group textarea { padding: 10px 14px; font-size: 0.9rem; }
  .product-image { height: 180px; }
  .product-info { padding: 16px; }
  .product-title { font-size: 1.05rem; }
  .product-specs { font-size: 0.8rem; }
  .about-stat-num { font-size: 1.1rem; }
  .about-stat-label { font-size: 0.7rem; }
  .why-grid { grid-template-columns: 1fr; }
  .quality-grid { grid-template-columns: 1fr; }
  .admin-stats { grid-template-columns: 1fr; }
  .admin-main { padding: 16px 12px; }
  .admin-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .admin-table { font-size: 0.75rem; }
  .admin-table th, .admin-table td { padding: 8px 6px; }
  .modal { margin: 16px; max-height: calc(100vh - 32px); }
  .modal-body { padding: 20px; max-height: calc(100vh - 160px); overflow-y: auto; }
  .products-filter { gap: 6px; }
  .filter-btn { padding: 7px 12px; font-size: 0.75rem; }
  .page-header { padding: 40px 0; }
  .page-header h1 { font-size: 1.5rem; }
  .contact-info-card, .contact-form-card { padding: 20px; }
  .footer-col h4 { font-size: 0.95rem; }
  .footer-col a, .footer-col p { font-size: 0.85rem; }
  .whatsapp-float { width: 44px; height: 44px; bottom: 16px; right: 16px; }
  .chat-toggle { width: 44px; height: 44px; right: 76px; }
}


@media (max-width: 375px) {
  .hero { height: 320px; }
  .hero-title { font-size: 1.4rem; }
  .hero-desc { font-size: 0.85rem; }
  .section { padding: 32px 0; }
  .section-title { font-size: 1.3rem; }
  .container { padding: 0 12px; }
  .btn { padding: 10px 18px; font-size: 0.8rem; }
  .btn-lg { padding: 11px 22px; font-size: 0.85rem; }
  .category-card { height: 200px; }
  .product-image { height: 160px; }
  .about-image img { height: 200px; }
  .oem-image img { height: 200px; }
  .quote-form { padding: 16px; }
  .form-group input, .form-group select, .form-group textarea { padding: 9px 12px; font-size: 0.85rem; }
  .admin-table { font-size: 0.7rem; }
  .admin-table th, .admin-table td { padding: 6px 4px; }
  .modal { margin: 12px; }
  .modal-body { padding: 16px; }
}

/* ===== Animations ===== */
.fade-in { animation: fadeIn 0.6s ease forwards; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.view { display: none; }
.view.active { display: block; animation: fadeIn 0.4s ease; }