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

:root {
  --bg: #0a0a0a;
  --bg-card: #111111;
  --bg-surface: #161616;
  --amber: #f59e0b;
  --amber-dim: #b45309;
  --white: #ffffff;
  --gray-100: #f5f5f5;
  --gray-300: #d4d4d4;
  --gray-500: #737373;
  --gray-700: #404040;
  --gray-900: #1a1a1a;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 {
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: 0.03em;
  line-height: 1.05;
}

/* ===== NAV ===== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-900);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  color: var(--white);
}

.nav-tag {
  font-size: 0.8rem;
  color: var(--gray-500);
  letter-spacing: 0.05em;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 8rem 2rem 4rem;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-kicker {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1rem;
}

.hero-headline {
  font-size: clamp(4rem, 8vw, 7rem);
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 0.95;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--gray-300);
  max-width: 460px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.stat-num {
  display: block;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  color: var(--amber);
  letter-spacing: 0.05em;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: 0.15rem;
}

.stat-divider {
  width: 1px;
  height: 2.5rem;
  background: var(--gray-700);
}

/* Hero visual — CSS headlight with light beam */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.light-beam-wrap {
  position: relative;
  width: 100%;
  max-width: 500px;
}

.headlight-housing {
  position: relative;
  z-index: 2;
  width: 100%;
}

.headlight-lens {
  width: 100%;
  aspect-ratio: 16/9;
  background: radial-gradient(ellipse at 50% 50%, #ffffff 0%, #f5f5f5 20%, #e5e5e5 40%, #cccccc 70%, #999999 100%);
  border-radius: 8px 8px 40px 40px;
  box-shadow:
    0 0 40px rgba(255,255,255,0.8),
    0 0 80px rgba(255,255,255,0.4),
    0 0 120px rgba(245,158,11,0.3),
    inset 0 0 20px rgba(255,255,255,0.5);
  position: relative;
  overflow: hidden;
}

.headlight-inner-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 40%, rgba(255,255,255,0.9) 0%, transparent 60%);
  border-radius: inherit;
}

/* Light beam cone */
.beam-cone {
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translateY(-50%);
  width: 300%;
  height: 120px;
  z-index: 1;
  overflow: hidden;
}

.beam-ray {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  height: 4px;
  background: linear-gradient(to right, rgba(255,255,255,0.9), rgba(255,255,255,0.3), transparent);
  border-radius: 2px;
}

.beam-ray-1 {
  width: 100%;
  top: 50%;
  height: 3px;
  box-shadow: 0 0 20px rgba(255,255,255,0.8), 0 0 60px rgba(255,255,255,0.4);
}

.beam-ray-2 {
  width: 85%;
  top: 35%;
  height: 1.5px;
  opacity: 0.5;
}

.beam-ray-3 {
  width: 85%;
  top: 65%;
  height: 1.5px;
  opacity: 0.5;
}

/* ===== PROBLEM ===== */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--gray-900);
  border-bottom: 1px solid var(--gray-900);
}

.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.problem-label,
.process-label,
.pricing-label,
.safety-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1rem;
}

.problem-headline,
.process-headline,
.pricing-headline,
.safety-headline {
  font-size: clamp(2.5rem, 4vw, 4rem);
  color: var(--white);
  margin-bottom: 3rem;
  max-width: 700px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--gray-900);
  border-radius: 8px;
  padding: 2rem;
}

.problem-icon {
  margin-bottom: 1.25rem;
}

.problem-card h3 {
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.problem-card p {
  color: var(--gray-300);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== PROCESS ===== */
.process {
  padding: 6rem 2rem;
}

.process-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.process-sub {
  color: var(--gray-300);
  max-width: 560px;
  font-size: 1.05rem;
  margin-bottom: 4rem;
  line-height: 1.7;
}

.steps {
  display: flex;
  align-items: stretch;
  gap: 0;
}

.step {
  flex: 1;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--gray-900);
  border-radius: 8px;
}

.step-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3rem;
  color: var(--amber);
  opacity: 0.4;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.step-content h3 {
  font-size: 1.25rem;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--gray-300);
  font-size: 0.9rem;
  line-height: 1.6;
}

.step-connector {
  width: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-connector::after {
  content: '';
  display: block;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, var(--gray-700), transparent);
}

/* ===== PRICING ===== */
.pricing {
  padding: 6rem 2rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--gray-900);
  border-bottom: 1px solid var(--gray-900);
}

.pricing-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--gray-900);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  position: relative;
}

.pricing-card-premium {
  border-color: var(--amber);
}

.pricing-tier {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.75rem;
}

.pricing-price {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3.5rem;
  color: var(--white);
  letter-spacing: 0.02em;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.pricing-note {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 1.5rem;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pricing-features li {
  font-size: 0.9rem;
  color: var(--gray-300);
  padding-left: 1.25rem;
  position: relative;
}

.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
}

.pricing-card-premium .pricing-features li::before {
  background: var(--amber);
}

.pricing-card-fleet .pricing-features li::before {
  background: var(--gray-500);
}

.pricing-badge {
  position: absolute;
  top: -0.75rem;
  right: 1.5rem;
  background: var(--amber);
  color: var(--bg);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pricing-disclaimer {
  font-size: 0.85rem;
  color: var(--gray-500);
  text-align: center;
}

/* ===== SAFETY ===== */
.safety {
  padding: 6rem 2rem;
}

.safety-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.safety-body {
  color: var(--gray-300);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.safety-stat-block {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.safety-stat {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--gray-900);
  border-left: 3px solid var(--amber);
  border-radius: 0 8px 8px 0;
}

.safety-num {
  display: block;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  color: var(--amber);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.safety-desc {
  display: block;
  font-size: 0.85rem;
  color: var(--gray-300);
  line-height: 1.5;
}

/* ===== CLOSING ===== */
.closing {
  padding: 8rem 2rem;
  position: relative;
  overflow: hidden;
}

.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  text-align: center;
}

.closing-beam {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245,158,11,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.closing-headline {
  font-size: clamp(3rem, 6vw, 5rem);
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1;
}

.closing-sub {
  color: var(--gray-300);
  font-size: 1.1rem;
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--gray-900);
  padding: 3rem 2rem;
  background: var(--bg-surface);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
}

.footer-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  color: var(--white);
  display: block;
  margin-bottom: 0.5rem;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--gray-500);
}

.footer-meta p {
  font-size: 0.85rem;
  color: var(--gray-500);
  text-align: right;
}

.footer-copy {
  margin-top: 0.5rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 7rem 1.5rem 3rem;
    text-align: left;
    gap: 2rem;
  }

  .hero-visual {
    order: -1;
  }

  .hero-headline {
    font-size: 3.5rem;
  }

  .light-beam-wrap {
    max-width: 300px;
  }

  .beam-cone {
    display: none;
  }

  .problem-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    flex-direction: column;
    gap: 1rem;
  }

  .step-connector {
    width: 100%;
    height: 1rem;
    align-items: center;
  }

  .step-connector::after {
    height: 1px;
    width: 100%;
    background: linear-gradient(to right, var(--gray-700), transparent, var(--gray-700));
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .safety-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-inner {
    flex-direction: column;
  }

  .footer-meta p {
    text-align: left;
  }
}