/* ============================================
   Huamei Activated Carbon - Clone Site Styles
   ============================================ */

/* ---- CSS Custom Properties ---- */
:root {
  /* Brand Colors */
  --primary: #ff9640;
  --primary-dark: #E86E2C;
  --primary-light: #ffb873;
  --navy: #003388;
  --navy-dark: #002266;
  --navy-light: #0044aa;

  /* Neutrals */
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #adb5bd;
  --gray-500: #6c757d;
  --gray-600: #495057;
  --gray-700: #343a40;
  --gray-800: #212529;
  --text-dark: #32373c;
  --text-medium: #444444;
  --text-light: #666666;

  /* Semantic */
  --success: #00d084;
  --info: #409EFF;
  --warning: #fcb900;
  --danger: #cf2e2e;

  /* Fonts */
  --font-body: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Source Sans Pro', 'Roboto', sans-serif;
  --font-decorative: 'Qwigley', cursive;

  /* Spacing */
  --section-padding: 80px 0;
  --container-max: 1200px;
  --container-padding: 20px;

  /* Shadows */
  --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 40px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dark);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--gray-800);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

a {
  color: var(--primary-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--primary);
}

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: var(--font-body);
}

/* ---- Container ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ---- Section ---- */
.section {
  padding: var(--section-padding);
}
.section-gray {
  background-color: var(--gray-50);
}
.section-dark {
  background-color: var(--navy);
  color: var(--white);
}
.section-dark h2,
.section-dark h3 {
  color: var(--white);
}
.section-header {
  text-align: center;
  margin-bottom: 50px;
}
.section-header h2 {
  font-size: 2rem;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.section-header h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--primary);
  margin: 12px auto 0;
  border-radius: 2px;
}
.section-header p {
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ============================================
   Top Bar
   ============================================ */
.top-bar {
  background-color: var(--navy);
  color: var(--white);
  font-size: 0.875rem;
  padding: 8px 0;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.top-bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}
.top-bar-left a {
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}
.top-bar-left a:hover {
  color: var(--primary);
}
.top-bar-left i {
  font-size: 0.9rem;
}
.language-switch {
  display: flex;
  gap: 8px;
}
.language-switch a {
  color: rgba(255,255,255,0.75);
  font-size: 0.8rem;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.language-switch a:hover,
.language-switch a.active {
  color: var(--white);
  background: rgba(255,255,255,0.15);
}
.language-switch a.active {
  background: rgba(255,255,255,0.25);
}

/* ============================================
   Header / Navigation
   ============================================ */
.main-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition-normal);
}
.main-header.scrolled {
  box-shadow: var(--shadow-md);
}
.main-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

/* Logo */
.logo {
  flex-shrink: 0;
}
.logo a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
}
.logo-img {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 900;
  font-size: 1.1rem;
}

/* Nav */
.main-nav {
  display: flex;
  align-items: center;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 5px;
}
.nav-list > li {
  position: relative;
}
.nav-list > li > a {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  color: var(--text-dark);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.nav-list > li > a:hover,
.nav-list > li > a.active {
  color: var(--primary-dark);
  background: rgba(255,150,64,0.08);
}
.nav-list > li > a .arrow {
  font-size: 0.65rem;
  transition: transform var(--transition-fast);
}
.nav-list > li:hover > a .arrow {
  transform: rotate(180deg);
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  min-width: 240px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  z-index: 1001;
}
.nav-list > li:hover > .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown li a {
  display: block;
  padding: 9px 20px;
  color: var(--text-dark);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}
.dropdown li a:hover {
  color: var(--primary-dark);
  background: var(--gray-50);
  padding-left: 25px;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  box-shadow: 0 4px 14px rgba(255,150,64,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,150,64,0.5);
  color: var(--white);
}
.btn-outline {
  background: transparent;
  color: var(--primary-dark);
  border: 2px solid var(--primary-dark);
}
.btn-outline:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
}
.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn-outline-white:hover {
  background: var(--white);
  color: var(--navy);
  transform: translateY(-2px);
}
.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}
.btn-lg {
  padding: 16px 36px;
  font-size: 1.1rem;
}

/* ============================================
   Mobile Menu Toggle
   ============================================ */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.menu-toggle span {
  display: block;
  width: 100%;
  height: 2.5px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all var(--transition-normal);
}
.menu-toggle.active span:nth-child(1) {
  transform: translateY(8.75px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: translateY(-8.75px) rotate(-45deg);
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 1001;
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.mobile-nav-overlay.active {
  opacity: 1;
}

/* ============================================
   Hero / Banner Section
   ============================================ */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #001a44, var(--navy));
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(0,26,68,0.85), rgba(0,51,136,0.75));
  z-index: 1;
}
.hero .container {
  position: relative;
  z-index: 2;
  color: var(--white);
  padding-top: 60px;
  padding-bottom: 60px;
}
.hero-content {
  max-width: 650px;
}
.hero h1 {
  font-size: 2.6rem;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.25;
}
.hero h1 span {
  color: var(--primary);
}
.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 30px;
  line-height: 1.7;
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin-bottom: 35px;
  flex-wrap: wrap;
}
.hero-stat {
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-stat i {
  font-size: 2rem;
  color: var(--primary);
}
.hero-stat h3 {
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: 2px;
}
.hero-stat p {
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  margin: 0;
}
.hero-cta {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

/* ---- Page Banner (inner pages) ---- */
.page-banner {
  background: linear-gradient(135deg, #001a44, var(--navy));
  padding: 60px 0;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.03)" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,208C1248,224,1344,192,1392,176L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
  background-size: cover;
}
.page-banner h1 {
  color: var(--white);
  font-size: 2.4rem;
  margin-bottom: 10px;
  position: relative;
}
.page-banner .breadcrumb {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  position: relative;
}
.page-banner .breadcrumb a {
  color: rgba(255,255,255,0.7);
}
.page-banner .breadcrumb a:hover {
  color: var(--primary);
}

/* ============================================
   Product Cards
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
}
.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 25px;
}

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid var(--gray-200);
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.card-img {
  position: relative;
  overflow: hidden;
  background: var(--gray-100);
  aspect-ratio: 4/3;
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.card:hover .card-img img {
  transform: scale(1.05);
}
.card-img .placeholder-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--gray-400);
  background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
}
.card-body {
  padding: 24px;
}
.card-body h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--gray-800);
}
.card-body h3 a {
  color: inherit;
}
.card-body h3 a:hover {
  color: var(--primary-dark);
}
.card-body p {
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 16px;
}
.card-body .card-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Feature Card */
.feature-card {
  text-align: center;
  padding: 35px 25px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.feature-card .feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  background: rgba(255,150,64,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--primary-dark);
  transition: all var(--transition-normal);
}
.feature-card:hover .feature-icon {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.1);
}
.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.feature-card p {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============================================
   Stats Counter Section
   ============================================ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  text-align: center;
}
.stat-item h3 {
  font-size: 2.5rem;
  color: var(--primary);
  font-weight: 800;
  margin-bottom: 5px;
}
.stat-item p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ============================================
   Why Choose Us
   ============================================ */
.why-us-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
}

.why-card {
  background: var(--white);
  padding: 30px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
}
.why-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.why-card .why-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: var(--primary);
}
.why-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}
.why-card p {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============================================
   Timeline (About Us)
   ============================================ */
.timeline {
  position: relative;
  padding-left: 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--primary), var(--navy));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  margin-bottom: 35px;
  padding-left: 30px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -30px;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 3px var(--primary);
}
.timeline-item .year {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 5px;
}
.timeline-item h4 {
  font-size: 1.1rem;
  margin-bottom: 5px;
}
.timeline-item p {
  color: var(--text-light);
  font-size: 0.92rem;
}

/* ============================================
   Gallery Grid
   ============================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 15px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--gray-100);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.gallery-item:hover img {
  transform: scale(1.08);
}
.gallery-item .caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ============================================
   Testimonials / Feedback
   ============================================ */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 25px;
}
.testimonial-card {
  background: var(--white);
  padding: 30px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  position: relative;
}
.testimonial-card .testimonial-num {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(255,150,64,0.15);
}
.testimonial-card .quote {
  font-style: italic;
  color: var(--text-dark);
  margin-bottom: 20px;
  line-height: 1.7;
  font-size: 0.95rem;
}
.testimonial-card .author {
  display: flex;
  align-items: center;
  gap: 10px;
}
.testimonial-card .author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}
.testimonial-card .author-info h5 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}
.testimonial-card .author-info span {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* ============================================
   Certification Badges
   ============================================ */
.cert-grid {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.cert-item {
  text-align: center;
  padding: 20px;
}
.cert-badge {
  width: 100px;
  height: 100px;
  margin: 0 auto 12px;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--navy);
  border: 2px solid var(--gray-200);
  transition: all var(--transition-normal);
}
.cert-item:hover .cert-badge {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: scale(1.08);
}
.cert-item p {
  font-weight: 600;
  font-size: 0.95rem;
}

/* ============================================
   Values Section
   ============================================ */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}
.value-card {
  text-align: center;
  padding: 35px 25px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}
.value-card h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.value-card .value-label {
  display: inline-block;
  padding: 3px 12px;
  background: rgba(255,150,64,0.1);
  color: var(--primary-dark);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 15px;
}
.value-card p {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============================================
   FAQ / Accordion
   ============================================ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--white);
  transition: all var(--transition-fast);
}
.faq-item:hover {
  border-color: var(--primary);
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  background: none;
  border: none;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
}
.faq-question .icon {
  font-size: 1.2rem;
  transition: transform var(--transition-normal);
  color: var(--primary);
  flex-shrink: 0;
  margin-left: 12px;
}
.faq-item.active .faq-question .icon {
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}
.faq-answer p {
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ============================================
   Contact Form
   ============================================ */
.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}
.contact-form-wrap {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}
.contact-form-wrap h3 {
  margin-bottom: 8px;
}
.contact-form-wrap .subtitle {
  color: var(--text-light);
  margin-bottom: 24px;
  font-size: 0.92rem;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-dark);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--white);
  transition: border-color var(--transition-fast);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255,150,64,0.15);
}
.form-group textarea {
  min-height: 120px;
  resize: vertical;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.contact-info-card {
  background: var(--white);
  padding: 35px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}
.contact-info-card h3 {
  margin-bottom: 20px;
}
.info-item {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
  align-items: flex-start;
}
.info-item .info-icon {
  width: 44px;
  height: 44px;
  background: rgba(255,150,64,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary-dark);
  font-size: 1.1rem;
}
.info-item h5 {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.info-item p,
.info-item a {
  color: var(--text-dark);
  font-size: 0.95rem;
  font-weight: 500;
}

/* Social Links */
.social-links {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
  font-size: 1.1rem;
  transition: all var(--transition-normal);
}
.social-links a:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
}

/* Factory Addresses */
.factory-list {
  margin-top: 25px;
}
.factory-list h4 {
  margin-bottom: 12px;
}
.factory-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-200);
}
.factory-item:last-child {
  border-bottom: none;
}
.factory-item h5 {
  font-size: 0.95rem;
  margin-bottom: 3px;
}
.factory-item p {
  color: var(--text-light);
  font-size: 0.85rem;
}

/* ============================================
   Spec Table (Products page)
   ============================================ */
.spec-section {
  margin-bottom: 40px;
}
.spec-section h3 {
  margin-bottom: 15px;
  color: var(--navy);
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.spec-table thead {
  background: var(--navy);
  color: var(--white);
}
.spec-table th {
  padding: 14px 18px;
  text-align: left;
  font-size: 0.9rem;
  font-weight: 600;
}
.spec-table td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.9rem;
}
.spec-table tr:hover td {
  background: var(--gray-50);
}

/* ============================================
   Learn More / CTA Section
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 60px 0;
  text-align: center;
  color: var(--white);
}
.cta-section h2 {
  color: var(--white);
  margin-bottom: 12px;
}
.cta-section p {
  color: rgba(255,255,255,0.9);
  max-width: 600px;
  margin: 0 auto 25px;
  font-size: 1.05rem;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: #0a1628;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}
.footer-col.about p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 15px;
}
.footer-contact {
  margin-top: 15px;
}
.footer-contact a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  margin-bottom: 8px;
  transition: color var(--transition-fast);
}
.footer-contact a:hover {
  color: var(--primary);
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-col ul li a::before {
  content: '>';
  color: var(--primary);
  font-size: 0.7rem;
}
.footer-col ul li a:hover {
  color: var(--primary);
  padding-left: 5px;
}
.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 15px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.95rem;
  transition: all var(--transition-normal);
}
.footer-social a:hover {
  background: var(--primary);
  transform: translateY(-3px);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
}
.footer-bottom a {
  color: rgba(255,255,255,0.6);
}
.footer-bottom a:hover {
  color: var(--primary);
}

/* ============================================
   Mobile Bottom Bar
   ============================================ */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  z-index: 999;
  padding: 10px 0;
}
.mobile-bottom-bar .container {
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.mobile-bottom-bar a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--text-light);
  font-size: 0.7rem;
  text-decoration: none;
}
.mobile-bottom-bar a i {
  font-size: 1.2rem;
  color: var(--primary-dark);
}
.mobile-bottom-bar .btn-sm {
  font-size: 0.8rem;
  padding: 8px 14px;
}

/* ============================================
   AOS Animations (Custom)
   ============================================ */
[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
  transition-timing-function: ease;
}
[data-aos].aos-animate {
  opacity: 1;
}
[data-aos="fade-up"] {
  transform: translateY(40px);
}
[data-aos="fade-up"].aos-animate {
  transform: translateY(0);
}
[data-aos="fade-right"] {
  transform: translateX(-40px);
}
[data-aos="fade-right"].aos-animate {
  transform: translateX(0);
}
[data-aos="fade-left"] {
  transform: translateX(40px);
}
[data-aos="fade-left"].aos-animate {
  transform: translateX(0);
}
[data-aos="zoom-in"] {
  transform: scale(0.9);
}
[data-aos="zoom-in"].aos-animate {
  transform: scale(1);
}

/* ---- Animation Durations ---- */
[data-aos][data-aos-duration="400"] { transition-duration: 0.4s; }
[data-aos][data-aos-duration="600"] { transition-duration: 0.6s; }
[data-aos][data-aos-duration="800"] { transition-duration: 0.8s; }
[data-aos][data-aos-duration="1000"] { transition-duration: 1s; }
[data-aos][data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos][data-aos-delay="400"] { transition-delay: 0.4s; }
[data-aos][data-aos-delay="600"] { transition-delay: 0.6s; }

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 992px) {
  .contact-section {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero-stats {
    gap: 20px;
  }
}

@media (max-width: 768px) {
  /* Mobile Nav */
  .menu-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 80px 20px 20px;
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-normal);
    z-index: 1002;
    overflow-y: auto;
  }
  .main-nav.active {
    right: 0;
  }
  .nav-list {
    flex-direction: column;
    width: 100%;
  }
  .nav-list > li {
    width: 100%;
    border-bottom: 1px solid var(--gray-200);
  }
  .nav-list > li > a {
    padding: 14px 0;
    width: 100%;
    justify-content: space-between;
  }
  .dropdown {
    position: static;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    padding: 0;
    background: var(--gray-50);
  }
  .nav-list > li.dropdown-open > .dropdown {
    max-height: 500px;
    padding: 8px 0;
  }
  .mobile-nav-overlay {
    display: block;
  }
  .header-actions .btn {
    display: none;
  }

  /* Hero */
  .hero {
    min-height: auto;
    text-align: center;
  }
  .hero-content {
    max-width: 100%;
  }
  .hero-stats {
    justify-content: center;
  }

  /* Grids */
  .card-grid,
  .card-grid-3,
  .card-grid-4 {
    grid-template-columns: 1fr;
  }
  .why-us-grid,
  .values-grid,
  .stats-row {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }

  /* Mobile Bottom Bar */
  .mobile-bottom-bar {
    display: block;
  }
  body {
    padding-bottom: 60px;
  }

  /* Typography */
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
  .section-header h2 { font-size: 1.5rem; }
  .page-banner h1 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.6rem;
  }
  .hero-stats {
    flex-direction: column;
    gap: 15px;
  }
  .hero-cta {
    flex-direction: column;
  }
  .hero-cta .btn {
    width: 100%;
  }
  .stats-row,
  .why-us-grid,
  .values-grid {
    grid-template-columns: 1fr;
  }
  .cert-grid {
    gap: 15px;
  }
  .section {
    padding: 50px 0;
  }
  .top-bar .container {
    flex-direction: column;
  }
}