/* 
  Topix Auto Lab - CSS Stylesheet
  Domain: topixedition.autos
  Copyright 2026 topixedition
*/

:root {
  /* Color Palette */
  --bg-primary: #111820;
  --bg-secondary: #18232C;
  --surface: #FFFFFF;
  --steel-grey: #56636D;
  --electric-blue: #3FA9F5;
  --soft-cyan: #6ED6E8;
  --accent-orange: #E58B3A;
  --bg-light: #F3F6F8;
  --border: #D9E1E5;
  --text-muted: #71808A;
  --text-dark: #111820;
  --text-light: #FFFFFF;

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Transitions */
  --transition: all 0.3s ease-in-out;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
  object-fit: cover;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-dark {
  background-color: var(--bg-primary);
  color: var(--text-light);
}

.section-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-light);
}

.text-center { text-align: center; }
.mt-2 { margin-top: 20px; }
.mb-2 { margin-bottom: 20px; }
.mb-4 { margin-bottom: 40px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--electric-blue);
  color: var(--text-light);
}
.btn-primary:hover {
  background-color: var(--soft-cyan);
  color: var(--bg-primary);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--electric-blue);
  color: var(--electric-blue);
}
.btn-outline:hover {
  background-color: var(--electric-blue);
  color: var(--text-light);
}

.btn-outline-light {
  background-color: transparent;
  border: 2px solid var(--text-light);
  color: var(--text-light);
}
.btn-outline-light:hover {
  background-color: var(--text-light);
  color: var(--bg-primary);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--bg-secondary);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-group {
  display: flex;
  flex-direction: column;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: -0.5px;
}

.logo-subtitle {
  font-size: 0.75rem;
  color: var(--soft-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.main-nav ul {
  display: flex;
  gap: 20px;
}

.main-nav a {
  color: var(--text-light);
  font-size: 0.9rem;
  font-weight: 500;
}

.main-nav a:hover {
  color: var(--electric-blue);
}

.header-cta .btn {
  padding: 8px 16px;
  font-size: 0.9rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  background-color: var(--bg-primary);
  color: var(--text-light);
  padding: 100px 0;
  border-bottom: 4px solid var(--electric-blue);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle, var(--bg-secondary) 0%, transparent 70%);
  opacity: 0.5;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--surface);
}

.hero p {
  font-size: 1.25rem;
  color: var(--border);
  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
}

/* Condition Selector */
.condition-selector-wrap {
  background-color: var(--surface);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(17, 24, 32, 0.05);
  overflow: hidden;
  margin-top: -40px;
  position: relative;
  z-index: 10;
  border: 1px solid var(--border);
}

.condition-tabs {
  display: flex;
  background-color: var(--bg-light);
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  flex: 1;
  padding: 20px;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--steel-grey);
  cursor: pointer;
  transition: var(--transition);
  border-bottom: 3px solid transparent;
}

.tab-btn.active {
  color: var(--electric-blue);
  border-bottom-color: var(--electric-blue);
  background-color: var(--surface);
}

.tab-btn:hover:not(.active) {
  color: var(--text-dark);
  background-color: var(--surface);
}

.tab-content {
  display: none;
  padding: 40px;
}

.tab-content.active {
  display: flex;
  gap: 30px;
  align-items: center;
  animation: fadeIn 0.4s ease;
}

.tab-info {
  flex: 1;
}

.tab-info h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--bg-primary);
}

.tab-info p {
  color: var(--steel-grey);
  margin-bottom: 20px;
}

.tab-image {
  flex: 1;
  border-radius: 4px;
  overflow: hidden;
  background-color: var(--bg-secondary);
  aspect-ratio: 16/9;
}

/* Dashboard Cards */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.dash-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: 30px;
  border-radius: 6px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.dash-card::top {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background-color: var(--electric-blue);
}

.dash-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(17, 24, 32, 0.05);
}

.dash-icon {
  font-size: 2rem;
  color: var(--electric-blue);
  margin-bottom: 15px;
}

.dash-card h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--bg-primary);
}

.dash-card p {
  color: var(--steel-grey);
  font-size: 0.95rem;
}

/* Timeline Process */
.process-timeline {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  padding: 40px 0;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 64px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--steel-grey);
  z-index: 1;
}

.timeline-step {
  position: relative;
  z-index: 2;
  text-align: center;
  flex: 1;
  padding: 0 10px;
}

.step-marker {
  width: 50px;
  height: 50px;
  background-color: var(--bg-secondary);
  border: 2px solid var(--electric-blue);
  border-radius: 50%;
  margin: 0 auto 15px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-weight: bold;
  font-size: 1.2rem;
}

.timeline-step h5 {
  font-size: 1rem;
  color: var(--surface);
  margin-bottom: 5px;
}

.timeline-step p {
  font-size: 0.85rem;
  color: var(--border);
}

/* Canadian Weather Cards */
.weather-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}

.weather-card {
  background-color: var(--bg-light);
  border-left: 4px solid var(--accent-orange);
  padding: 20px;
  border-radius: 0 6px 6px 0;
}

.weather-card h4 {
  color: var(--bg-primary);
  margin-bottom: 10px;
}

.weather-card p {
  font-size: 0.9rem;
  color: var(--steel-grey);
}

/* Technical Info Panels (Lab theme) */
.tech-panel {
  background-color: var(--bg-primary);
  border: 1px solid var(--steel-grey);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 30px;
  display: flex;
}

.tech-panel-img {
  flex: 0 0 40%;
  background-color: var(--bg-secondary);
}

.tech-panel-content {
  flex: 1;
  padding: 40px;
  color: var(--text-light);
}

.tech-panel-content h3 {
  color: var(--soft-cyan);
  margin-bottom: 15px;
}

.tech-panel-content ul li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 20px;
  color: var(--border);
}

.tech-panel-content ul li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--electric-blue);
}

/* Articles Grid */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.article-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.article-card-img {
  height: 180px;
  background-color: var(--bg-secondary);
}

.article-card-content {
  padding: 20px;
}

.article-card-content h4 {
  margin-bottom: 10px;
  color: var(--bg-primary);
}

.article-card-content p {
  font-size: 0.9rem;
  color: var(--steel-grey);
  margin-bottom: 15px;
}

.article-card-content a {
  color: var(--electric-blue);
  font-weight: 600;
  font-size: 0.9rem;
}

/* FAQ Accordion */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  margin-bottom: 10px;
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px;
  background-color: var(--surface);
  border: none;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--bg-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background-color: var(--bg-light);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--electric-blue);
  transition: var(--transition);
}

.faq-item.active .faq-question::after {
  content: '-';
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  background-color: var(--surface);
}

.faq-answer-inner {
  padding: 0 20px 20px 20px;
  color: var(--steel-grey);
}

/* Contact Form */
.form-container {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--surface);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(17,24,32,0.05);
  border: 1px solid var(--border);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--bg-primary);
}

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--font-main);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--electric-blue);
  box-shadow: 0 0 0 3px rgba(63, 169, 245, 0.2);
}

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

.form-status {
  display: none;
  padding: 15px;
  margin-top: 20px;
  border-radius: 4px;
  background-color: #d4edda;
  color: #155724;
  text-align: center;
}

/* Content Pages */
.page-header {
  background-color: var(--bg-primary);
  color: var(--text-light);
  padding: 60px 0;
  text-align: center;
  border-bottom: 4px solid var(--electric-blue);
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.page-header p {
  color: var(--soft-cyan);
}

.content-block {
  margin-bottom: 40px;
}

.content-block h2 {
  color: var(--bg-primary);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
}

/* Legal Pages */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  background: var(--surface);
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.legal-content h2 {
  margin-top: 30px;
}

/* Footer */
.site-footer {
  background-color: var(--bg-primary);
  color: var(--border);
  padding: 60px 0 20px 0;
  border-top: 1px solid var(--bg-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--surface);
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--text-muted);
}

.footer-col a:hover {
  color: var(--electric-blue);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--bg-secondary);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: -100%;
  left: 0;
  width: 100%;
  background-color: var(--bg-secondary);
  color: var(--text-light);
  padding: 20px 0;
  z-index: 9999;
  transition: bottom 0.5s ease;
  box-shadow: 0 -5px 20px rgba(0,0,0,0.2);
}

.cookie-banner.show {
  bottom: 0;
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.cookie-text {
  flex: 1;
  min-width: 300px;
  font-size: 0.9rem;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
}

.cookie-buttons .btn {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Breakpoints */
@media (max-width: 1200px) {
  .hero h1 { font-size: 3rem; }
}

@media (max-width: 992px) {
  .process-timeline {
    flex-direction: column;
    padding: 20px 0;
  }
  .process-timeline::before {
    top: 0; left: 35px; width: 2px; height: 100%;
  }
  .timeline-step {
    display: flex;
    text-align: left;
    margin-bottom: 30px;
    align-items: center;
  }
  .step-marker {
    margin: 0 20px 0 0;
    flex-shrink: 0;
  }
  .weather-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-panel { flex-direction: column; }
  .tech-panel-img { height: 250px; }
}

@media (max-width: 768px) {
  .header-container { position: relative; }
  .main-nav {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--bg-secondary);
    padding: 20px;
  }
  .main-nav.active { display: block; }
  .main-nav ul { flex-direction: column; gap: 15px; }
  .mobile-toggle { display: block; }
  .header-cta { display: none; }
  
  .hero h1 { font-size: 2.2rem; }
  .hero-buttons { flex-direction: column; }
  
  .tab-content.active { flex-direction: column; }
  
  .weather-grid { grid-template-columns: 1fr; }
  .cookie-content { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .condition-tabs { flex-direction: column; }
  .tab-btn { border-bottom: 1px solid var(--border); border-left: 3px solid transparent; }
  .tab-btn.active { border-bottom-color: var(--border); border-left-color: var(--electric-blue); }
}