/* ===== CSS Variables ===== */
:root {
  --primary: #0a2540;
  --primary-light: #1a3a5c;
  --primary-dark: #061a2e;
  --accent: #ff6b1a;
  --accent-light: #ff8c4a;
  --accent-dark: #e55a0a;
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #868e96;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --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-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --transition: all 0.3s ease;
  --font-main: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--gray-800);
  line-height: 1.6;
  background: var(--white);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary);
}
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
p { margin-bottom: 1rem; }
.section-title {
  text-align: center;
  margin-bottom: 3rem;
}
.section-title h2 {
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
}
.section-title p {
  color: var(--gray-600);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}
.section-title .line {
  width: 60px;
  height: 4px;
  background: var(--accent);
  margin: 1rem auto 0;
  border-radius: 2px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
}
.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline-primary:hover {
  background: var(--primary);
  color: var(--white);
}
.btn-whatsapp {
  background: #25D366;
  color: var(--white);
}
.btn-whatsapp:hover {
  background: #1da851;
  transform: translateY(-2px);
}
.btn-lg { padding: 16px 40px; font-size: 1.1rem; }
.btn-sm { padding: 8px 18px; font-size: 0.9rem; }

/* ===== Header / Navigation ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.header.scrolled {
  box-shadow: var(--shadow-md);
}
.header-top {
  background: var(--primary-dark);
  color: var(--gray-300);
  font-size: 0.85rem;
  padding: 8px 0;
}
.header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.header-top-info { display: flex; gap: 24px; flex-wrap: wrap; }
.header-top-info span { display: flex; align-items: center; gap: 6px; }
.header-top-info svg { width: 14px; height: 14px; }
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
}
.lang-switcher select {
  background: transparent;
  color: var(--gray-300);
  border: 1px solid var(--gray-600);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  font-size: 0.8rem;
  cursor: pointer;
}
.lang-switcher select option { color: var(--gray-800); }

.header-main {
  padding: 16px 0;
}
.header-main .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
}
.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-menu a {
  font-weight: 600;
  color: var(--gray-700);
  font-size: 0.95rem;
  position: relative;
  padding: 4px 0;
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}
.nav-menu a:hover, .nav-menu a.active {
  color: var(--primary);
}
.nav-menu a:hover::after, .nav-menu a.active::after {
  width: 100%;
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 8px;
}
.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

/* ===== Hero / Carousel ===== */
.hero {
  margin-top: 120px;
  position: relative;
  overflow: hidden;
}
.carousel {
  position: relative;
  height: 560px;
  overflow: hidden;
}
.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  align-items: center;
}
.carousel-slide.active { opacity: 1; }
.carousel-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,37,64,0.85), rgba(10,37,64,0.6));
  z-index: 1;
}
.carousel-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.carousel-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  max-width: 650px;
  padding: 0 20px;
  margin: 0 auto;
  width: 100%;
  max-width: var(--max-width);
}
.carousel-content h1 {
  color: var(--white);
  font-size: 2.8rem;
  margin-bottom: 1rem;
  line-height: 1.15;
}
.carousel-content h1 .accent { color: var(--accent); }
.carousel-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}
.carousel-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.carousel-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}
.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: var(--transition);
}
.carousel-dot.active {
  background: var(--accent);
  width: 36px;
  border-radius: 6px;
}
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  color: var(--white);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.carousel-arrow:hover { background: var(--accent); }
.carousel-arrow.prev { left: 20px; }
.carousel-arrow.next { right: 20px; }

/* ===== Sections ===== */
section { padding: 80px 0; }
section.alt { background: var(--gray-50); }

/* ===== Advantages ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.advantage-card {
  text-align: center;
  padding: 40px 30px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border-top: 4px solid transparent;
}
.advantage-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-top-color: var(--accent);
}
.advantage-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.8rem;
}
.advantage-card h3 { margin-bottom: 12px; }
.advantage-card p { color: var(--gray-600); margin: 0; }

/* ===== Product Categories ===== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 280px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}
.category-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}
.category-card:hover .category-card-bg {
  transform: scale(1.1);
}
.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,37,64,0.9), rgba(10,37,64,0.2));
  z-index: 1;
}
.category-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  z-index: 2;
  color: var(--white);
}
.category-card-content h3 {
  color: var(--white);
  margin-bottom: 6px;
}
.category-card-content p {
  font-size: 0.9rem;
  opacity: 0.8;
  margin: 0;
}

/* ===== Why Choose Us ===== */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.why-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  height: 450px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
  text-align: center;
  padding: 40px;
}
.why-list { display: flex; flex-direction: column; gap: 24px; }
.why-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.why-item-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.3rem;
}
.why-item h4 { margin-bottom: 6px; }
.why-item p { color: var(--gray-600); margin: 0; font-size: 0.95rem; }

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.testimonial-card {
  background: var(--white);
  padding: 36px 30px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 10px;
  right: 24px;
  font-size: 4rem;
  color: var(--accent);
  opacity: 0.2;
  font-family: Georgia, serif;
  line-height: 1;
}
.testimonial-stars {
  color: var(--warning);
  margin-bottom: 16px;
  font-size: 1rem;
}
.testimonial-text {
  color: var(--gray-700);
  font-style: italic;
  margin-bottom: 24px;
  line-height: 1.7;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
}
.testimonial-info h4 { font-size: 1rem; margin-bottom: 2px; }
.testimonial-info p { font-size: 0.85rem; color: var(--gray-500); margin: 0; }

/* ===== Quote Form Section ===== */
.quote-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.quote-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,107,26,0.1), transparent 70%);
  border-radius: 50%;
}
.quote-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.quote-info h2 { color: var(--white); margin-bottom: 1rem; }
.quote-info p { opacity: 0.85; margin-bottom: 2rem; }
.quote-features { display: flex; flex-direction: column; gap: 14px; }
.quote-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
}
.quote-feature .check {
  width: 24px;
  height: 24px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}
.quote-form {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.quote-form h3 {
  color: var(--primary);
  margin-bottom: 24px;
  text-align: center;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
  font-size: 0.9rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  transition: var(--transition);
  background: var(--white);
}
.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(255,107,26,0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-submit {
  width: 100%;
  padding: 14px;
  font-size: 1.05rem;
}
.whatsapp-quick {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
  padding: 12px;
  background: #f0fdf4;
  border-radius: var(--radius-md);
  color: #166534;
  font-weight: 600;
  font-size: 0.95rem;
}

/* ===== Products Page ===== */
.page-hero {
  margin-top: 120px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  padding: 60px 0;
  text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 0.5rem; }
.page-hero p { opacity: 0.85; font-size: 1.1rem; }
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 1rem;
  font-size: 0.9rem;
  opacity: 0.7;
}
.breadcrumb a:hover { color: var(--accent); }

.products-filter {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 16px;
}
.filter-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.filter-tag {
  padding: 8px 20px;
  border-radius: 20px;
  background: var(--gray-100);
  color: var(--gray-700);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}
.filter-tag:hover { background: var(--gray-200); }
.filter-tag.active {
  background: var(--primary);
  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-200);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.product-image {
  height: 240px;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-image .placeholder {
  font-size: 3rem;
  opacity: 0.3;
}
.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}
.product-info { padding: 24px; }
.product-info h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}
.product-specs {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.product-spec {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--gray-600);
}
.product-spec span:first-child { font-weight: 600; color: var(--gray-700); }
.product-actions {
  display: flex;
  gap: 10px;
}
.product-actions .btn { flex: 1; }

/* ===== About Page ===== */
.about-hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.timeline {
  position: relative;
  padding-left: 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-300);
}
.timeline-item {
  position: relative;
  margin-bottom: 32px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -34px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--accent);
}
.timeline-year {
  font-weight: 800;
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 4px;
}
.timeline-item h4 { margin-bottom: 6px; }
.timeline-item p { color: var(--gray-600); margin: 0; font-size: 0.95rem; }

.factory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.factory-image {
  height: 220px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--gray-200), var(--gray-300));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  font-size: 0.9rem;
  overflow: hidden;
  position: relative;
}
.factory-image span {
  background: rgba(255,255,255,0.8);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
}

.quality-process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}
.quality-step {
  text-align: center;
  position: relative;
}
.quality-step-number {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
}
.quality-step h4 { font-size: 1rem; margin-bottom: 6px; }
.quality-step p { font-size: 0.85rem; color: var(--gray-600); margin: 0; }

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cert-card {
  text-align: center;
  padding: 30px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.cert-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}
.cert-card h4 { font-size: 1rem; margin-bottom: 4px; }
.cert-card p { font-size: 0.8rem; color: var(--gray-500); margin: 0; }

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
}
.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 30px;
}
.contact-info-card {
  display: flex;
  gap: 18px;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--accent);
}
.contact-info-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.2rem;
}
.contact-info-card h4 { margin-bottom: 4px; font-size: 1rem; }
.contact-info-card p { color: var(--gray-600); margin: 0; font-size: 0.9rem; }
.response-promise {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  padding: 24px;
  border-radius: var(--radius-md);
  text-align: center;
}
.response-promise h3 { color: var(--white); margin-bottom: 8px; }
.response-promise p { opacity: 0.85; margin: 0; font-size: 0.95rem; }
.contact-form-wrapper {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.contact-form-wrapper h3 {
  margin-bottom: 24px;
  color: var(--primary);
}
.file-upload-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 6px;
}
.map-container {
  margin-top: 50px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 400px;
  background: var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
}

/* ===== Footer ===== */
.footer {
  background: var(--primary-dark);
  color: var(--gray-300);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  color: var(--white);
  margin-bottom: 20px;
  font-size: 1.1rem;
}
.footer-col p { font-size: 0.9rem; line-height: 1.8; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 0.9rem;
  color: var(--gray-400);
}
.footer-links a:hover { color: var(--accent); }
.footer-contact-item {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.9rem;
}
.footer-contact-item svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  color: var(--accent);
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}
.footer-social a:hover { background: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--gray-500);
}
.footer-bottom a { color: var(--gray-400); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Floating WhatsApp Button ===== */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  animation: pulse 2s infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  background: #1da851;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0.4); }
  50% { box-shadow: 0 0 0 12px rgba(37,211,102,0); }
}

/* ===== Cookie Banner ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary-dark);
  color: var(--white);
  padding: 20px;
  z-index: 9999;
  display: none;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
}
.cookie-banner.show { display: block; }
.cookie-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.cookie-content p { margin: 0; font-size: 0.9rem; }
.cookie-content a { color: var(--accent); text-decoration: underline; }
.cookie-buttons { display: flex; gap: 10px; flex-shrink: 0; }

/* ===== Admin Panel ===== */
.admin-layout {
  display: flex;
  min-height: 100vh;
  margin-top: 0;
}
.admin-sidebar {
  width: 260px;
  background: var(--primary-dark);
  color: var(--white);
  padding: 24px 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: 100;
}
.admin-logo {
  padding: 0 24px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 1.2rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
}
.admin-nav { padding: 16px 0; }
.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  color: var(--gray-400);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.95rem;
  border-left: 3px solid transparent;
}
.admin-nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: var(--white);
}
.admin-nav-item.active {
  background: rgba(255,107,26,0.1);
  color: var(--accent);
  border-left-color: var(--accent);
}
.admin-main {
  flex: 1;
  margin-left: 260px;
  background: var(--gray-50);
  min-height: 100vh;
}
.admin-header {
  background: var(--white);
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 50;
}
.admin-header h2 { font-size: 1.3rem; }
.admin-user {
  display: flex;
  align-items: center;
  gap: 12px;
}
.admin-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.admin-content { padding: 32px; }
.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-md);
  box-shadow: var(--shadow-sm);
}
.admin-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}
.admin-stat-label {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin-top: 4px;
}
.admin-stat-trend {
  font-size: 0.8rem;
  color: var(--success);
  margin-top: 8px;
}
.admin-card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.admin-card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.admin-card-header h3 { font-size: 1.1rem; }
.admin-table {
  width: 100%;
  border-collapse: collapse;
}
.admin-table th {
  background: var(--gray-50);
  padding: 14px 20px;
  text-align: left;
  font-weight: 700;
  color: var(--gray-700);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.admin-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.9rem;
}
.admin-table tr:hover { background: var(--gray-50); }
.admin-action-btns { display: flex; gap: 8px; }
.admin-action-btn {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}
.admin-action-btn.edit {
  background: #e7f1ff;
  color: #0066cc;
}
.admin-action-btn.delete {
  background: #fee2e2;
  color: #dc3545;
}
.admin-action-btn.view {
  background: #e8f5e9;
  color: #28a745;
}
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-success { background: #d4edda; color: #155724; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-danger { background: #f8d7da; color: #721c24; }
.badge-info { background: #d1ecf1; color: #0c5460; }

/* Admin Login */
.admin-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 20px;
}
.admin-login-box {
  background: var(--white);
  padding: 48px 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
}
.admin-login-box h2 {
  text-align: center;
  margin-bottom: 8px;
}
.admin-login-box .subtitle {
  text-align: center;
  color: var(--gray-500);
  margin-bottom: 32px;
  font-size: 0.95rem;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.show { display: flex; }
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header h3 { margin: 0; }
.modal-close {
  background: none;
  font-size: 1.5rem;
  color: var(--gray-500);
  cursor: pointer;
}
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ===== Privacy Page ===== */
.privacy-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 20px;
}
.privacy-content h1 { margin-bottom: 1rem; }
.privacy-content h2 { margin-top: 2rem; margin-bottom: 0.75rem; font-size: 1.4rem; }
.privacy-content p, .privacy-content li {
  color: var(--gray-700);
  line-height: 1.8;
}
.privacy-content ul { padding-left: 24px; margin-bottom: 1rem; }
.privacy-content li { margin-bottom: 0.5rem; list-style: disc; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .quality-process { grid-template-columns: repeat(3, 1fr); }
  .certifications-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  section { padding: 50px 0; }
  .header-top { display: none; }
  .hero { margin-top: 72px; }
  .carousel { height: 420px; }
  .carousel-content h1 { font-size: 1.8rem; }
  .carousel-content p { font-size: 1rem; }
  .nav-menu {
    position: fixed;
    top: 72px;
    left: -100%;
    width: 80%;
    max-width: 320px;
    height: calc(100vh - 72px);
    background: var(--white);
    flex-direction: column;
    padding: 30px;
    gap: 20px;
    box-shadow: var(--shadow-lg);
    transition: left 0.3s ease;
    z-index: 999;
  }
  .nav-menu.open { left: 0; }
  .mobile-toggle { display: flex; }
  .nav-cta .btn { display: none; }
  .advantages-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; gap: 30px; }
  .why-image { height: 300px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .quote-grid { grid-template-columns: 1fr; gap: 30px; }
  .products-grid { grid-template-columns: 1fr; }
  .about-hero-content { grid-template-columns: 1fr; gap: 30px; }
  .factory-grid { grid-template-columns: 1fr; }
  .quality-process { grid-template-columns: 1fr; gap: 24px; }
  .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .page-hero { margin-top: 72px; padding: 40px 0; }
  .admin-sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .admin-stats { grid-template-columns: 1fr; }
  .admin-content { padding: 20px; }
  .quote-form, .contact-form-wrapper { padding: 24px; }
  .carousel-arrow { display: none; }
  .case-grid{
    grid-template-columns:1fr;
  }
.case-grid{
    /*保证格子不会强制拉伸卡片*/
    align-items: start;
}
.case-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap:24px;
    align-items: start !important;
}
.case-card {
    overflow: hidden;
    height: auto !important;
    aspect-ratio: unset !important;
}
.case-card img{
    width: 100%;
    height: auto !important;
    object-fit: none !important;
    display:block;
}
.product-info{
    text-align: center;
}