:root {
  --bg: #0f0f0f;
  --bg-alt: #1a1a1a;
  --bg-card: #222222;
  --accent: #f59e0b;
  --accent-dim: #d97706;
  --fg: #f5f5f5;
  --fg-muted: #a3a3a3;
  --fg-dim: #737373;
  --border: #2e2e2e;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  font-family: var(--font-display);
  font-size: 22px;
  background: var(--accent);
  color: var(--bg);
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  letter-spacing: 1px;
}
.brand-name { font-family: var(--font-display); font-size: 22px; letter-spacing: 2px; }
.nav-tagline { font-size: 12px; color: var(--fg-muted); letter-spacing: 3px; text-transform: uppercase; }

/* Hero */
.hero {
  min-height: 88vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 80px 48px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 50%;
  background: linear-gradient(135deg, var(--bg-alt) 0%, var(--bg) 100%);
  border-left: 1px solid var(--border);
}
.hero-content { position: relative; z-index: 1; max-width: 580px; }
.hero-label {
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  font-weight: 600;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(64px, 7vw, 96px);
  line-height: 0.95;
  letter-spacing: 2px;
  color: var(--fg);
  margin-bottom: 32px;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 480px;
  margin-bottom: 48px;
  line-height: 1.7;
}
.hero-meta { display: flex; flex-direction: column; gap: 14px; }
.meta-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: var(--fg-muted);
}
.meta-icon {
  width: 20px; height: 20px;
  background: var(--accent);
  flex-shrink: 0;
  clip-path: polygon(20% 0%, 100% 0%, 80% 100%, 0% 100%);
}
.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.truck-silhouette {
  width: 320px;
  height: 200px;
  background: var(--bg-alt);
  border: 2px solid var(--border);
  position: relative;
}
.truck-silhouette::before {
  content: '';
  position: absolute;
  top: 20%; left: 10%; right: 10%; bottom: 20%;
  background: repeating-linear-gradient(
    90deg,
    var(--accent) 0px,
    var(--accent) 2px,
    transparent 2px,
    transparent 8px
  );
  opacity: 0.15;
}
.truck-silhouette::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 120px; height: 120px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  opacity: 0.3;
}
.clean-zone {
  margin-top: 24px;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 6px;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 8px 24px;
}

/* Section labels */
.section-label {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  font-weight: 600;
}

/* Problem section */
.problem-section { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.problem-inner { padding: 100px 48px; max-width: 1200px; margin: 0 auto; }
.problem-header { max-width: 560px; margin-bottom: 64px; }
.problem-header h2 { font-size: 40px; font-weight: 600; line-height: 1.2; margin-top: 12px; }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.problem-card {
  background: var(--bg-card);
  padding: 40px 36px;
  border: 1px solid var(--border);
}
.problem-icon {
  width: 36px; height: 36px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-display);
  font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.problem-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 12px; }
.problem-card p { font-size: 14px; color: var(--fg-muted); line-height: 1.7; }

/* How it works */
.how-section { background: var(--bg); }
.how-inner { padding: 100px 48px; max-width: 1200px; margin: 0 auto; }
.how-inner h2 { font-size: 40px; font-weight: 600; margin: 12px 0 72px; }
.step-row { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: start; gap: 0; }
.step { padding: 0 32px; }
.step-number {
  font-family: var(--font-display);
  font-size: 56px;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 20px;
}
.step-body h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.step-body p { font-size: 14px; color: var(--fg-muted); line-height: 1.7; }
.step-arrow {
  width: 60px;
  height: 2px;
  background: var(--border);
  margin-top: 28px;
  position: relative;
}
.step-arrow::after {
  content: '';
  position: absolute;
  right: 0; top: -5px;
  border: 6px solid transparent;
  border-left: 10px solid var(--border);
}

/* Industries */
.industries-section { background: var(--bg-alt); border-top: 1px solid var(--border); }
.industries-inner { padding: 100px 48px; max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1.6fr; gap: 80px; align-items: start; }
.industries-left h2 { font-size: 36px; font-weight: 600; margin: 12px 0 24px; line-height: 1.2; }
.industries-copy { font-size: 15px; color: var(--fg-muted); line-height: 1.8; }
.industries-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.industry-card { background: var(--bg-card); padding: 36px 32px; border: 1px solid var(--border); }
.industry-icon {
  width: 40px; height: 40px;
  border: 2px solid var(--accent);
  margin-bottom: 20px;
  position: relative;
}
.industry-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.industry-card p { font-size: 13px; color: var(--fg-muted); line-height: 1.7; }

/* Numbers */
.numbers-section { background: var(--bg); border-top: 1px solid var(--border); }
.numbers-inner { padding: 100px 48px; max-width: 1200px; margin: 0 auto; }
.numbers-inner h2 { font-size: 40px; font-weight: 600; margin: 12px 0 64px; }
.numbers-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; }
.number-block { background: var(--bg-card); padding: 40px 32px; border: 1px solid var(--border); }
.number-value { font-family: var(--font-display); font-size: 72px; color: var(--accent); line-height: 1; }
.number-unit { font-size: 11px; letter-spacing: 4px; text-transform: uppercase; color: var(--fg-muted); margin: 12px 0 16px; }
.number-desc { font-size: 13px; color: var(--fg-dim); line-height: 1.6; }

/* Closing */
.closing-section { background: var(--bg-alt); border-top: 1px solid var(--border); }
.closing-inner { padding: 100px 48px; max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.closing-content h2 { font-size: 40px; font-weight: 600; line-height: 1.15; margin-bottom: 24px; }
.closing-content p { font-size: 16px; color: var(--fg-muted); line-height: 1.8; }
.cta-text { font-family: var(--font-display); font-size: 28px; line-height: 1.3; letter-spacing: 1px; color: var(--fg-muted); }

/* Footer */
.footer { background: var(--bg); border-top: 1px solid var(--border); }
.footer-inner { padding: 60px 48px 40px; max-width: 1200px; margin: 0 auto; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; }
.footer-copy { font-size: 13px; color: var(--fg-dim); max-width: 520px; line-height: 1.7; margin-bottom: 40px; }
.footer-bottom { font-size: 11px; color: var(--fg-dim); border-top: 1px solid var(--border); padding-top: 24px; }

/* Responsive */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 60px 24px; }
  .hero::before { display: none; }
  .hero-visual { display: none; }
  .problem-grid, .industries-grid, .numbers-grid { grid-template-columns: 1fr; }
  .step-row { grid-template-columns: 1fr; }
  .step-arrow { display: none; }
  .industries-inner, .closing-inner { grid-template-columns: 1fr; }
  .navbar { padding: 16px 24px; }
  .problem-inner, .how-inner, .industries-inner, .numbers-inner, .closing-inner { padding: 60px 24px; }
  .footer-inner { padding: 40px 24px 32px; }
}

@media (max-width: 600px) {
  .hero-headline { font-size: 56px; }
  .numbers-grid { grid-template-columns: 1fr 1fr; }
  .numbers-grid .number-block:last-child { grid-column: 1 / -1; }
}