/* ========================================
   MARN - Modern CSS Architecture
   Mobile-First Responsive Design
======================================== */

/* CSS Custom Properties (Variables) */
:root {
  /* Colors */
  --primary-color: #c6da41;
  --primary-light: #e8f2a7;
  --primary-dark: #004D40;
  --accent-color: #FF5722;
  --accent-light: #FF8A65;

  --text-primary: #2c3e50;
  --text-secondary: #6c757d;
  --text-muted: #777777;
  --text-white: #ffffff;

  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --bg-dark: #2c3e50;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;
  --space-5xl: 10rem;
  --space-6xl: 12rem;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: var(--font-primary);

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Borders */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-full: 50%;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  /* Breakpoints (for reference) */
  --bp-sm: 576px;
  --bp-md: 768px;
  --bp-lg: 992px;
  --bp-xl: 1200px;
  --bp-2xl: 1400px;

  /* Alpha backgrounds for transparency */
  --bg-primary-alpha: rgba(255, 255, 255, 0.95);
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #8a8a8a;

  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-tertiary: #404040;
  --bg-dark: #0d0d0d;

  /* Adjust shadows for dark mode */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);

  /* Alpha backgrounds for dark mode */
  --bg-primary-alpha: rgba(26, 26, 26, 0.95);
}

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--primary-light);
}

/* ========================================
   Utility Classes
======================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================
   Navigation
======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bg-primary-alpha);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition-base);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-sm);
  min-height: 70px;
}

.nav-brand {
  flex-shrink: 0;
}

.nav-logo {
  width: 45px;
  height: 45px;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-links {
  display: none;
  gap: var(--space-lg);
}

.nav-link {
  font-weight: 700;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: var(--space-xs) 0;
  position: relative;
  transition: all var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition-base);
}

.nav-link:hover::after {
  width: 100%;
}

/* Navbar Search */
.nav-search {
  display: none;
}

.search-container {
  position: relative;
  width: 300px;
}

.search-container input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--border-radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: all var(--transition-base);
}

.search-container input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 121, 107, 0.1);
}

.search-container .search-btn {
  position: absolute;
  right: var(--space-xs);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
}

.search-container .search-btn:hover {
  color: var(--primary-color);
  background: var(--bg-secondary);
}

.search-results {
  position: absolute;
  top: calc(100% + var(--space-xs));
  left: 0;
  right: 0;
  background: var(--bg-primary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  max-height: 300px;
  overflow-y: auto;
  display: none;
}

.search-results.active {
  display: block;
}

.search-result-item {
  padding: var(--space-md);
  cursor: pointer;
  border-bottom: 1px solid var(--bg-secondary);
  transition: all var(--transition-base);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background: var(--bg-secondary);
}

.search-result-item h4 {
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.search-result-item p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0;
}

.no-results {
  padding: var(--space-lg);
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.nav-dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  background: none;
  border: 1px solid var(--bg-tertiary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-md);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--text-primary);
}

.dropdown-toggle:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--bg-primary);
  box-shadow: var(--shadow-lg);
  border-radius: var(--border-radius-md);
  padding: var(--space-xs);
  min-width: 120px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
}

.dropdown-toggle[aria-expanded="true"]+.dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  color: var(--text-primary);
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--bg-secondary);
  color: var(--primary-color);
}

/* Theme Toggle */
.theme-toggle {
  position: relative;
  width: 50px;
  height: 50px;
  background: var(--bg-secondary);
  border: 2px solid var(--bg-tertiary);
  border-radius: var(--border-radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.theme-toggle:hover {
  border-color: var(--primary-color);
  background: var(--primary-color);
  color: var(--text-white);
}

.theme-toggle:hover .theme-icon-dark,
.theme-toggle:hover .theme-icon-light {
  color: var(--text-white);
}

.theme-icon-dark,
.theme-icon-light {
  position: absolute;
  font-size: var(--text-lg);
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.theme-icon-light {
  opacity: 0;
  transform: rotate(180deg) scale(0.8);
}

[data-theme="dark"] .theme-icon-dark {
  opacity: 0;
  transform: rotate(-180deg) scale(0.8);
}

[data-theme="dark"] .theme-icon-light {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* Dark mode transitions */
* {
  transition: background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.hamburger {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-base);
}

.nav-toggle.active .hamburger:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active .hamburger:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .hamburger:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation */
@media (max-width: 767px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    width: 100%;
  }

  .nav-link {
    font-size: var(--text-base);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--bg-tertiary);
  }

  .nav-controls {
    flex-direction: column;
    gap: var(--space-lg);
    width: 100%;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--bg-tertiary);
  }

  .theme-toggle {
    align-self: center;
  }
}

/* ========================================
   Hero Section
======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  align-items: center;
}

.hero-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 121, 107, 0.8), rgba(44, 62, 80, 0.6));
  z-index: -1;
}

.hero-text {
  color: var(--text-white);
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl) 0;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: clamp(1rem, 3vw, 1.5rem);
  font-weight: 300;
  margin-bottom: var(--space-xl);
  opacity: 0.9;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-indicators {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-sm);
  z-index: 2;
}

.indicator {
  width: 12px;
  height: 12px;
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.indicator.active {
  background: var(--text-white);
  transform: scale(1.2);
}

/* ========================================
   Buttons
======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 2px solid transparent;
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--text-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--text-white);
}

.btn-secondary {
  background: transparent;
  color: var(--text-white);
  border-color: var(--text-white);
}

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

.btn-full {
  width: 100%;
}

/* ========================================
   Sections
======================================== */
.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-alt {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: var(--border-radius-sm);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.6;
}

/* ========================================
   About Section
======================================== */
.about-content {
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
  margin-bottom: var(--space-3xl);
}

.about-image {
  text-align: center;
}

.about-image img {
  max-width: 300px;
  margin: 0 auto;
}

.about-text p {
  margin-bottom: var(--space-md);
  font-size: var(--text-lg);
  line-height: 1.7;
  text-align: justify;
}

/* ========================================
   Tires Counter Section
======================================== */
.tires-counter-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--text-white);
  padding: var(--space-3xl) 0;
  position: relative;
  overflow: hidden;
}

.tires-counter-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../img/bg1.gif') center/cover;
  opacity: 0.1;
  z-index: 0;
}

.counter-content {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-xl);
  align-items: center;
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

.counter-icon {
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.counter-icon i {
  font-size: 3rem;
  color: var(--text-white);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.counter-info {
  text-align: center;
}

.counter-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--text-white);
}

.counter-display {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 800;
  color: var(--text-white);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  margin-bottom: var(--space-sm);
  line-height: 1;
}

.counter-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.stat-detail {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

.counter-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.tire-icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.2);
  animation: pulse 3s ease-in-out infinite;
}

.tire-icon i {
  font-size: 2rem;
  color: var(--text-white);
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }

  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

.impact-stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.impact-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 700;
}

.impact-item i {
  width: 20px;
  text-align: center;
  color: var(--accent-light);
}

/* Responsive Design */
@media (max-width: 768px) {
  .counter-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-lg);
  }

  .counter-icon,
  .tire-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto;
  }

  .counter-icon i {
    font-size: 2rem;
  }

  .tire-icon i {
    font-size: 1.5rem;
  }

  .counter-title {
    font-size: var(--text-xl);
  }

  .impact-stats {
    align-items: center;
  }
}

@media (max-width: 480px) {
  .tires-counter-section {
    padding: var(--space-2xl) 0;
  }

  .counter-display {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .impact-item {
    font-size: var(--text-xs);
  }
}

/* ========================================
   Vision & Mission Cards
======================================== */
.vision-mission {
  display: grid;
  gap: var(--space-xl);
}

.vm-card {
  background: var(--bg-primary);
  padding: var(--space-xl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.vm-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

.vm-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-size: var(--text-2xl);
  color: var(--text-white);
}

.vm-card h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.vm-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========================================
   Products Section
======================================== */
.products-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

.product-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius-xl);
  padding: var(--space-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 0;
}

.product-card:hover::before {
  opacity: 0.05;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

.product-card>* {
  position: relative;
  z-index: 1;
}

.product-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-size: var(--text-2xl);
  color: var(--text-white);
  transition: all var(--transition-base);
}

.product-card:hover .product-icon {
  transform: scale(1.1);
}

.product-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.product-description {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.product-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-secondary);
  border-radius: var(--border-radius-full);
  color: var(--primary-color);
  transition: all var(--transition-base);
}

.product-card:hover .product-arrow {
  background: var(--primary-color);
  color: var(--text-white);
  transform: translateX(5px);
}

.product-card.featured {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--text-white);
}

.product-card.featured .product-title,
.product-card.featured .product-description {
  color: var(--text-white);
}

.product-card.featured .product-icon {
  background: rgba(255, 255, 255, 0.2);
}

.product-card.featured .product-arrow {
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-white);
}

/* ========================================
   Applications Section - Industry Based Design
======================================== */
.industries-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

.industry-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius-xl);
  border: 2px solid var(--bg-tertiary);
  overflow: hidden;
  transition: all var(--transition-base);
}

.industry-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-md);
}

.industry-header {
  display: flex;
  align-items: center;
  padding: var(--space-xl);
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-base);
}

.industry-header:hover {
  background: var(--bg-secondary);
}

.industry-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--space-lg);
  flex-shrink: 0;
}

.industry-icon i {
  font-size: var(--text-xl);
  color: var(--text-white);
}

.industry-info {
  flex: 1;
}

.industry-info h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.industry-info p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.toggle-icon {
  margin-left: var(--space-lg);
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.industry-card.active .toggle-icon {
  transform: rotate(180deg);
  color: var(--primary-color);
}

.industry-applications {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-in-out;
}

.industry-card.active .industry-applications {
  max-height: 600px;
  border-top: 1px solid var(--bg-tertiary);
}

.app-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--bg-tertiary);
  transition: all var(--transition-base);
}

.app-item:last-child {
  border-bottom: none;
}

.app-item:hover {
  background: var(--bg-secondary);
  transform: translateX(5px);
}

.app-item i {
  width: 40px;
  height: 40px;
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: var(--text-lg);
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.app-item:hover i {
  background: var(--primary-color);
  color: var(--text-white);
  transform: scale(1.1);
}

.app-item div {
  flex: 1;
}

.app-item h4 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.app-item p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.5;
}

/* ========================================
   Certificates Section - Auto-Scrolling Carousel
======================================== */
.certificates-container {
  position: relative;
  margin-top: var(--space-2xl);
}

.certificates-scroll {
  display: flex;
  gap: var(--space-xl);
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  /* Firefox */
  -ms-overflow-style: none;
  /* Internet Explorer 10+ */
  padding-bottom: var(--space-lg);
  position: relative;
}

.certificates-scroll::-webkit-scrollbar {
  display: none;
  /* Safari and Chrome */
}

/* Gradient indicators for hidden content */
.certificates-container::before,
.certificates-container::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: var(--space-lg);
  width: 60px;
  z-index: 2;
  pointer-events: none;
}

.certificates-container::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-secondary), transparent);
}

.certificates-container::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-secondary), transparent);
}

.certificate-card {
  background: #ffffff;
  border-radius: var(--border-radius-xl);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  min-width: 280px;
  flex-shrink: 0;
}

.certificate-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.certificate-card:hover::before {
  transform: scaleX(1);
}

.certificate-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

.certificate-image {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.certificate-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform var(--transition-base);
}

.certificate-card:hover .certificate-image img {
  transform: scale(1.05);
}

.certificate-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-size: var(--text-2xl);
  color: var(--text-white);
  transition: all var(--transition-base);
}

.certificate-card:hover .certificate-icon {
  transform: scale(1.1);
}

.certificate-info h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.certificate-info p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin: 0;
}

/* ========================================
   Clients Section
======================================== */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.client-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius-xl);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.client-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.client-card:hover::before {
  opacity: 0.05;
}

.client-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

.client-card>* {
  position: relative;
  z-index: 1;
}

.client-flag {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-md);
  line-height: 1;
}

.client-country {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.client-count {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--primary-color);
  transition: color var(--transition-base);
}

.client-card:hover .client-count {
  color: var(--accent-color);
}

.worldwide-map {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: var(--space-2xl);
}

.map-image {
  max-width: 100%;
  height: auto;
  transition: transform var(--transition-base);
}

.map-image:hover {
  transform: scale(1.02);
}

.export-markets {
  margin-top: var(--space-2xl);
  text-align: center;
}

.markets-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.market-item {
  display: inline-flex;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  font-weight: 500;
  font-size: var(--text-base);
  color: var(--text-primary);
  transition: all var(--transition-base);
  position: relative;
}

.market-item::after {
  content: '•';
  margin-left: var(--space-md);
  color: var(--text-muted);
}

.market-item:last-child::after {
  content: '';
  margin-left: 0;
}

.market-item:hover {
  color: var(--primary-color);
  transform: translateY(-2px);
}

.clients-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-xl);
  padding: var(--space-2xl);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--border-radius-xl);
  color: var(--text-white);
}

.stat-card {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--space-sm);
  display: block;
}

.stat-label {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.9;
}

/* ========================================
   Our Partners Section - Auto-Scrolling Carousel
======================================== */
.partners-container {
  position: relative;
  margin-bottom: var(--space-3xl);
}

.partners-scroll {
  display: flex;
  gap: var(--space-xl);
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: var(--space-lg);
  position: relative;
}

.partners-scroll::-webkit-scrollbar {
  display: none;
}

/* Gradient indicators for hidden content */
.partners-container::before,
.partners-container::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: var(--space-lg);
  width: 60px;
  z-index: 2;
  pointer-events: none;
}

.partners-container::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-secondary), transparent);
}

.partners-container::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-secondary), transparent);
}

.partner-card {
  background: var(--bg-primary);
  padding: var(--space-xl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  min-width: 250px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.partner-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.partner-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.partner-card:hover::before {
  transform: scaleX(1);
}

.partner-logo {
  width: 120px;
  height: 120px;
  margin-bottom: var(--space-lg);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
}

.partner-icon {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.partner-icon i {
  font-size: 2.5rem;
  color: var(--text-white);
}

.partner-card:hover .partner-logo img {
  transform: scale(1.05);
}

.partner-card:hover .partner-icon {
  transform: scale(1.1) rotate(5deg);
  background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
}

.partner-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.partner-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.partner-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.feature-tag {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-md);
  font-size: var(--text-xs);
  font-weight: 500;
  transition: all var(--transition-base);
}

.partner-card:hover .feature-tag {
  background: var(--primary-color);
  color: var(--text-white);
  transform: translateY(-2px);
}

/* Partnership Statistics */
.partnership-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  padding: var(--space-2xl);
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border-radius: var(--border-radius-xl);
  margin-top: var(--space-2xl);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-align: left;
}

.stat-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon i {
  font-size: 1.5rem;
  color: var(--text-white);
}

.stat-content .stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-content .stat-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
  .partners-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .partner-card {
    padding: var(--space-lg);
  }

  .partner-logo,
  .partner-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--space-md);
  }

  .partner-icon i {
    font-size: 1.5rem;
  }

  .partner-title {
    font-size: var(--text-lg);
  }

  .partnership-stats {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    padding: var(--space-lg);
  }

  .stat-item {
    justify-content: center;
    text-align: center;
  }

  .stat-icon {
    width: 50px;
    height: 50px;
  }

  .stat-icon i {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .partner-features {
    justify-content: center;
  }

  .feature-tag {
    font-size: var(--text-xs);
    padding: 4px var(--space-xs);
  }
}

/* ========================================
   Contact Section
======================================== */
.contact-content {
  display: grid;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-info {
  display: grid;
  gap: var(--space-xl);
}

.contact-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.contact-details h4 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.contact-details p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.contact-form {
  background: var(--bg-primary);
  padding: var(--space-xl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--bg-tertiary);
  border-radius: var(--border-radius-md);
  font-size: var(--text-base);
  font-family: var(--font-primary);
  transition: all var(--transition-base);
  background: var(--bg-primary);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 121, 107, 0.1);
}

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

/* ========================================
   Footer
======================================== */
.footer {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  color: var(--text-white);
  padding: var(--space-2xl) 0;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  align-items: center;
}

.social-links {
  display: flex;
  gap: var(--space-md);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-full);
  color: var(--text-white);
  font-size: var(--text-xl);
  transition: all var(--transition-base);
}

.social-links a:hover {
  background: var(--text-white);
  color: var(--primary-color);
  transform: translateY(-2px);
}

.footer-text {
  opacity: 0.8;
}

/* ========================================
   Responsive Design
======================================== */

/* Small devices (576px and up) */
@media (min-width: 576px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero-actions {
    gap: var(--space-lg);
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-content {
    grid-template-columns: 1fr;
  }
}

/* Medium devices (768px and up) */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-lg);
  }

  .nav-links {
    display: flex;
  }

  .nav-search {
    display: block;
  }

  .nav-toggle {
    display: none;
  }

  .nav-container {
    padding: var(--space-md) var(--space-lg);
  }

  .about-content {
    grid-template-columns: 1fr 2fr;
  }

  .vision-mission {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .applications-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-content {
    grid-template-columns: 1fr 1fr;
  }

  .footer-content {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Large devices (992px and up) */
@media (min-width: 992px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .applications-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Extra large devices (1200px and up) */
@media (min-width: 1200px) {
  .container {
    max-width: 1400px;
  }

  .section {
    padding: var(--space-3xl) 0 calc(var(--space-3xl) * 1.5);
  }
}

/* ========================================
   Print Styles
======================================== */
@media print {

  .navbar,
  .hero-indicators,
  .nav-toggle,
  .btn {
    display: none !important;
  }

  .hero {
    min-height: auto;
    page-break-after: always;
  }

  .section {
    padding: var(--space-lg) 0;
    page-break-inside: avoid;
  }
}

/* ========================================
   Accessibility & Reduced Motion
======================================== */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .btn-primary {
    border: 2px solid;
  }

  .product-card,
  .application-card,
  .vm-card {
    border: 1px solid;
  }
}

/* Dark mode adjustments for images and media */
[data-theme="dark"] img {
  opacity: 0.9;
  transition: opacity var(--transition-base);
}

[data-theme="dark"] img:hover {
  opacity: 1;
}

/* Dark mode adjustments for hero background */
[data-theme="dark"] .hero-content::before {
  background: linear-gradient(135deg, rgba(0, 121, 107, 0.9), rgba(26, 26, 26, 0.8));
}

/* Dark mode adjustments for forms */
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
  background: var(--bg-secondary);
  border-color: var(--bg-tertiary);
  color: var(--text-primary);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
  color: var(--text-muted);
}

[data-theme="dark"] .navbar {
  background: var(--bg-primary-alpha) !important;
  border-bottom: 1px solid var(--bg-tertiary);
}

[data-theme="dark"] .nav-link {
  color: var(--text-secondary);
}

[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
  color: var(--text-primary);
}

[data-theme="dark"] .nav-toggle .hamburger {
  background: var(--text-secondary);
}

[data-theme="dark"] .dropdown-menu {
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
}

[data-theme="dark"] .dropdown-item {
  color: var(--text-secondary);
}

[data-theme="dark"] .dropdown-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* ========================================
   Responsive Design for Industry Applications
======================================== */
@media (max-width: 768px) {
  .industries-container {
    gap: var(--space-md);
  }

  .industry-header {
    padding: var(--space-lg);
  }

  .industry-icon {
    width: 50px;
    height: 50px;
    margin-right: var(--space-md);
  }

  .industry-icon i {
    font-size: var(--text-lg);
  }

  .industry-info h3 {
    font-size: var(--text-lg);
  }

  .industry-info p {
    font-size: var(--text-xs);
  }

  .app-item {
    padding: var(--space-md) var(--space-lg);
    gap: var(--space-md);
  }

  .app-item i {
    width: 35px;
    height: 35px;
    font-size: var(--text-md);
  }

  .app-item h4 {
    font-size: var(--text-md);
  }

  .app-item p {
    font-size: var(--text-xs);
  }

  .app-item:hover {
    transform: none;
  }
}

@media (max-width: 480px) {
  .industry-header {
    padding: var(--space-md);
  }

  .industry-icon {
    width: 45px;
    height: 45px;
    margin-right: var(--space-sm);
  }

  .app-item {
    padding: var(--space-sm) var(--space-md);
    flex-direction: column;
    gap: var(--space-sm);
  }

  .app-item i {
    align-self: flex-start;
  }
}