/* FAQ Accordion Styles */
.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4,0,0.2,1);
  background: var(--gray-50);
  border-radius: 0 0 0.5rem 0.5rem;
  margin-bottom: 1.5rem;
}
.faq-content-inner {
  padding: 1rem 1.5rem;
  color: var(--gray-700);
  font-size: 1rem;
}
/* FAQ Button Custom Styles */
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: var(--white);
  color: var(--primary);
  border: 1px solid var(--accent);
  border-radius: 0.5rem;
  padding: 1rem 1.5rem;
  font-size: 1.1rem;
  font-family: var(--font-family);
  font-weight: 500;
  cursor: pointer;
  margin-bottom: 1rem;
  box-shadow: 0 2px 8px rgba(10,46,110,0.04);
  transition: background 0.2s, box-shadow 0.2s;
}
.faq-question:hover, .faq-question:focus {
  background: var(--accent);
  color: var(--primary);
  outline: none;
  box-shadow: 0 4px 16px rgba(10,46,110,0.08);
}
.faq-question {
  border: none;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}
/* ================================
   Advance Smog - Main Stylesheet
   ================================ */

/* CSS Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colors */
  --primary: #0A2E6E;
  --accent: #F7D900;
  --destructive: #C91E1E;
  --success: #4CAF50;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;
  
  /* 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);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

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

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--gray-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h2 {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.5;
}

p {
  margin-bottom: 1rem;
}

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

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

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

.container-lg {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.header {
  background: var(--white);
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 4px solid var(--accent);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

.logo {
  height: 4rem;
  width: auto;
  cursor: pointer;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  justify-content: center;
}

.nav a {
  color: var(--primary);
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
  padding-bottom: 0.25rem;
}

.nav a.btn {
  padding-bottom: 12;
}

.nav a:hover,
.nav a.active {
  color: var(--destructive);
}

.nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--destructive);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 2rem;
  border-radius: var(--radius-xl);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  text-decoration: none;
  gap: 0.5rem;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: #e6c700;
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: #082550;
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 2px solid var(--white);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.2);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-md);
}

.mobile-menu-btn:hover {
  background: var(--gray-100);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem 0;
  border-top: 1px solid var(--gray-200);
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav a {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-lg);
  transition: background 0.3s;
}

.mobile-nav a:hover,
.mobile-nav a.active {
  background: var(--accent);
  color: var(--primary);
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--primary) 0%, rgba(10, 46, 110, 0.9) 100%);
  color: var(--white);
  padding: 5rem 1rem;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23F7D900' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: var(--accent);
  color: var(--primary);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-lg);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero .price {
  font-size: 4rem;
  color: var(--accent);
  font-weight: 700;
  display: block;
  margin-bottom: 0.5rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.trust-indicators {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
}

.trust-indicator-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.trust-indicator-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
}

/* Section */
.section {
  padding: 5rem 1rem;
}

.section-white {
  background: var(--white);
}

.section-gray {
  background: var(--gray-50);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

.section-badge {
  display: inline-block;
  background: rgba(247, 217, 0, 0.1);
  color: var(--primary);
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  margin-bottom: 1rem;
}

.category-badge {
  display: block;
  background: rgba(247, 217, 0, 0.15);
  color: var(--primary);
  padding: 0.25rem 0.75rem;
  border-radius: 0.25rem;
  font-weight: 600;
  font-size: 0.75rem;
  text-align: left;
  margin-bottom: 0.5rem;
  width: fit-content;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s;
  border: 1px solid var(--gray-100);
}

.card:hover {
  box-shadow: var(--shadow-2xl);
  transform: translateY(-4px);
}

.card-icon {
  width: 4rem;
  height: 4rem;
  background: rgba(247, 217, 0, 0.1);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.card-icon svg,
.card-icon .icon {
  width: 2rem;
  height: 2rem;
}

.card h3 {
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--gray-600);
  margin-bottom: 0;
}

.card-price {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.125rem;
  margin-top: 1rem;
}

/* Traffic Lights */
.traffic-lights {
  display: grid;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.traffic-light {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s;
}

.traffic-light:hover {
  box-shadow: var(--shadow-xl);
  transform: translateX(8px);
}

.traffic-light-icon {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  flex-shrink: 0;
  box-shadow: 0 0 20px currentColor;
}

.traffic-light-red {
  background: var(--destructive);
  box-shadow: 0 0 20px rgba(201, 30, 30, 0.5);
}

.traffic-light-yellow {
  background: var(--accent);
  box-shadow: 0 0 20px rgba(247, 217, 0, 0.5);
}

.traffic-light-green {
  background: var(--success);
  box-shadow: 0 0 20px rgba(76, 175, 80, 0.5);
}

/* Testimonials */
.testimonial {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--accent);
}

.testimonial-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.testimonial-name {
  font-weight: 600;
  color: var(--primary);
}

.stars {
  color: var(--accent);
  font-size: 1.25rem;
}

.testimonial-text {
  color: var(--gray-700);
  font-style: italic;
}

/* Footer */
.footer {
  background: var(--primary);
  color: var(--white);
  padding: 3rem 1rem 2rem;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1280px;
  margin: 0 auto 2rem;
}

.footer-logo {
  background: var(--white);
  padding: 0.5rem;
  border-radius: var(--radius-md);
  display: inline-block;
  margin-bottom: 1rem;
}

.footer-logo img {
  height: 3.5rem;
}

.footer h3 {
  color: var(--accent);
  margin-bottom: 1rem;
}

.footer a {
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s;
  display: block;
  margin-bottom: 0.5rem;
}

.footer a:hover {
  color: var(--accent);
}

.footer-contact {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.footer-contact .icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.875rem;
}

.footer-bottom p {
  margin-bottom: 0.5rem;
  color: rgba(255, 255, 255, 0.8);
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s;
  background: var(--gray-50);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(247, 217, 0, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

/* Contact Info Cards */
.contact-card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border-top: 4px solid var(--accent);
}

.contact-card .icon-wrapper {
  width: 4rem;
  height: 4rem;
  background: rgba(247, 217, 0, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--primary);
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 2rem;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--accent);
}

.timeline-item {
  position: relative;
  padding-left: 5rem;
  margin-bottom: 3rem;
}

.timeline-icon {
  position: absolute;
  left: 0;
  width: 4rem;
  height: 4rem;
  background: var(--white);
  border: 4px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.timeline-content {
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

/* Certifications */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.cert-card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s;
}

.cert-card:hover {
  box-shadow: var(--shadow-2xl);
  transform: translateY(-4px);
}

.cert-image {
  height: 6rem;
  margin: 0 auto 1.5rem;
  object-fit: contain;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideOutUp {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-30px);
  }
}

.animate-fade-up {
  animation: fadeInUp 0.8s ease-out forwards;
  opacity: 0;
}

/* Smooth transitions for all interactive elements */
* {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Animate sections on scroll */
.section {
  animation: fadeIn 0.6s ease-out;
}

.card {
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }
.card:nth-child(5) { animation-delay: 0.5s; }
.card:nth-child(6) { animation-delay: 0.6s; }

.testimonial {
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

.testimonial:nth-child(1) { animation-delay: 0.1s; }
.testimonial:nth-child(2) { animation-delay: 0.2s; }
.testimonial:nth-child(3) { animation-delay: 0.3s; }

/* Hover animations */
.btn {
  transition: all 0.3s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

a {
  transition: color 0.3s ease;
}

/* Hero animation */
.hero {
  animation: fadeIn 0.8s ease-out;
}

/* Smooth scroll behavior */
html {
  scroll-behavior: smooth;
}

/* Utilities */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--primary);
}

.text-accent {
  color: var(--accent);
}

.text-muted {
  color: var(--gray-600);
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

/* Responsive Design */
@media (min-width: 768px) {
  .nav {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: none;
  }
  
  .hero h1 {
    font-size: 4.5rem;
  }
  
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .nav {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero {
    padding: 3rem 1rem;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero .price {
    font-size: 3rem;
  }
  
  .trust-indicators {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .section {
    padding: 3rem 1rem;
  }
  
  .timeline::before {
    left: 1rem;
  }
  
  .timeline-item {
    padding-left: 4rem;
  }
  
  .timeline-icon {
    width: 3rem;
    height: 3rem;
    left: 0;
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .mobile-menu-btn,
  .hero-buttons {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
}