/* ============================================
   RoadLense Visuals — Design System & Styles
   ============================================ */

/* --- Custom Properties --- */
:root {
  --color-bg: #0a0a0a;
  --color-bg-alt: #1a1a1a;
  --color-bg-card: #141414;
  --color-bg-card-hover: #1e1e1e;
  --color-text: #f0f0f0;
  --color-text-muted: #999;
  --color-accent: #d4a520;
  --color-accent-hover: #e0b830;
  --color-border: #2a2a2a;
  --color-overlay: rgba(0, 0, 0, 0.55);
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --nav-height: 72px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-hover); }
ul { list-style: none; }
button, input, textarea, select { font: inherit; }

/* --- Utility --- */
.container { width: 90%; max-width: var(--max-width); margin: 0 auto; }
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.section { padding: 100px 0; }
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}
.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 3rem;
}
.accent { color: var(--color-accent); }

/* --- Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-height);
  display: flex;
  align-items: center;
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.5px;
}
.nav-logo span { color: var(--color-accent); }
.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(10, 10, 10, 0.97);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-120%);
    transition: transform 0.4s ease;
    border-bottom: 1px solid var(--color-border);
  }
  .nav-links.open {
    transform: translateY(0);
  }
  .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
  z-index: 0;
}
.hero-slide.active { opacity: 1; z-index: 1; }
.hero-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.7) 100%);
  z-index: 2;
}
.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 0 1rem;
}
.hero-content h1 {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.1;
}
.hero-content p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* Hero dots */
.hero-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 10px;
}
.hero-dots button {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.5);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}
.hero-dots button.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* Page hero (smaller) */
.page-hero {
  position: relative;
  height: 50vh;
  min-height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: var(--nav-height);
}
.page-hero img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.page-hero .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.7));
}
.page-hero .hero-content {
  position: relative;
  z-index: 2;
}
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
}
.page-hero p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin-top: 0.5rem;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
}
.btn-primary {
  background: var(--color-accent);
  color: #000;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 165, 32, 0.3);
}
.btn-outline {
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  background: transparent;
}
.btn-outline:hover {
  background: var(--color-accent);
  color: #000;
}

/* ============================================
   Cards (Services, Pricing, Features)
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.card-img {
  width: 100%; height: 220px;
  object-fit: cover;
}
.card-body {
  padding: 1.5rem;
}
.card-body h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}
.card-body p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}
.card-link {
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-link::after {
  content: '\2192';
  transition: transform var(--transition);
}
.card-link:hover::after { transform: translateX(4px); }

/* Feature cards (home) */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}
.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition);
}
.feature-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}
.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}
.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ============================================
   Pricing Cards
   ============================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  align-items: start;
}
.pricing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}
.pricing-card.featured {
  border-color: var(--color-accent);
  transform: scale(1.03);
}
.pricing-card.featured::before {
  content: 'Popular';
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #000;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 20px;
}
.pricing-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}
.pricing-card.featured:hover { transform: scale(1.03) translateY(-4px); }
.pricing-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}
.pricing-price {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}
.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-muted);
}
.pricing-desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}
.pricing-features {
  text-align: left;
  margin-bottom: 2rem;
}
.pricing-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.pricing-features li::before {
  content: '\2713';
  color: var(--color-accent);
  font-weight: 700;
}

/* ============================================
   Timeline (How It Works)
   ============================================ */
.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  position: relative;
}
.timeline-step {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all var(--transition);
}
.timeline-step:hover { border-color: var(--color-accent); }
.step-number {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #000;
  font-size: 1.4rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.timeline-step h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}
.timeline-step p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}
.timeline-step ul {
  text-align: left;
}
.timeline-step ul li {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  padding: 0.3rem 0;
  padding-left: 1.2rem;
  position: relative;
}
.timeline-step ul li::before {
  content: '\2022';
  color: var(--color-accent);
  position: absolute;
  left: 0;
}

/* ============================================
   Before / After Slider
   ============================================ */
.ba-container {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 16/10;
  cursor: ew-resize;
}
.ba-container img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.ba-before {
  z-index: 1;
  clip-path: inset(0 50% 0 0);
}
.ba-after { z-index: 0; }
.ba-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 4px;
  background: var(--color-accent);
  z-index: 2;
  transform: translateX(-50%);
}
.ba-handle::after {
  content: '\2194';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px; height: 40px;
  background: var(--color-accent);
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
}
.ba-label {
  position: absolute;
  top: 1rem;
  z-index: 3;
  background: rgba(0,0,0,0.6);
  color: var(--color-text);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.ba-label-before { left: 1rem; }
.ba-label-after { right: 1rem; }

/* ============================================
   About Page
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-grid img {
  border-radius: var(--radius-lg);
  width: 100%;
}
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ============================================
   Contact
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: start;
}
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--color-text-muted);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-size: 0.95rem;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-group textarea { resize: vertical; min-height: 140px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
}
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.contact-info-icon {
  width: 44px; height: 44px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-info-item h4 { font-size: 0.95rem; margin-bottom: 0.2rem; }
.contact-info-item p { color: var(--color-text-muted); font-size: 0.9rem; }

/* ============================================
   Checklist
   ============================================ */
.checklist {
  max-width: 600px;
  margin: 0 auto;
}
.checklist li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
  color: var(--color-text-muted);
}
.checklist li::before {
  content: '\2713';
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.1rem;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer h4 {
  font-size: 0.95rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}
.footer p, .footer a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}
.footer a:hover { color: var(--color-accent); }
.footer-links li { margin-bottom: 0.5rem; }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ============================================
   Legal Pages
   ============================================ */
.legal-content {
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 80px;
}
.legal-content h1 {
  font-size: 2.2rem;
  margin-bottom: 2rem;
}
.legal-content h2 {
  font-size: 1.3rem;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  color: var(--color-accent);
}
.legal-content p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}
.legal-content ul {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}
.legal-content ul li {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  list-style: disc;
  margin-bottom: 0.4rem;
}
.legal-content a { text-decoration: underline; }

/* ============================================
   Misc
   ============================================ */
.vehicle-spotlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.vehicle-spotlight img { border-radius: var(--radius-lg); }
@media (max-width: 768px) {
  .vehicle-spotlight { grid-template-columns: 1fr; }
}

.add-ons { max-width: 600px; margin: 3rem auto 0; }
.add-ons h3 { font-size: 1.3rem; margin-bottom: 1rem; text-align: center; }
.add-ons li {
  display: flex; align-items: center; gap: 10px;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.add-ons li::before {
  content: '+';
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.2rem;
}

/* Course teaser */
.course-teaser {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}
.course-teaser img { border-radius: var(--radius); }
@media (max-width: 768px) {
  .course-teaser { grid-template-columns: 1fr; padding: 2rem; }
}
.course-teaser h3 { font-size: 1.4rem; margin-bottom: 0.75rem; }
.course-teaser ul { margin: 1rem 0; }
.course-teaser ul li {
  color: var(--color-text-muted);
  padding: 0.3rem 0;
  padding-left: 1.2rem;
  position: relative;
  font-size: 0.95rem;
}
.course-teaser ul li::before {
  content: '\2713';
  color: var(--color-accent);
  position: absolute;
  left: 0;
}

/* Approach sections */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}
.approach-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.approach-card h3 {
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}
.approach-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* About gallery */
.about-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.about-gallery img { border-radius: var(--radius-lg); width: 100%; height: 300px; object-fit: cover; }
@media (max-width: 768px) {
  .about-gallery { grid-template-columns: 1fr; }
}