@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:ital,wght@0,400;0,500;1,400&display=swap');

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --fg-primary: #f0f0f5;
  --fg-secondary: #8a8a9a;
  --fg-muted: #55556a;
  --accent: #ff6b2b;
  --accent-glow: rgba(255, 107, 43, 0.15);
  --accent-subtle: rgba(255, 107, 43, 0.08);
  --border: rgba(255, 255, 255, 0.06);
  --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #1a1020 50%, #0a0a0f 100%);
}

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

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ====== NAV ====== */
.nav {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--fg-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-brand span {
  color: var(--accent);
}
.nav-tag {
  font-size: 0.75rem;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 100px;
  font-family: 'Space Grotesk', sans-serif;
}

/* ====== HERO ====== */
.hero {
  padding: 120px 0 100px;
  background: var(--gradient-hero);
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.hero-label {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 28px;
  padding: 6px 16px;
  border: 1px solid rgba(255, 107, 43, 0.25);
  border-radius: 100px;
  background: var(--accent-subtle);
}
.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 720px;
  margin-bottom: 28px;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-secondary);
  max-width: 540px;
  line-height: 1.7;
}

/* ====== PIPELINE ====== */
.pipeline {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}
.pipeline-header {
  text-align: center;
  margin-bottom: 64px;
}
.pipeline-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.pipeline-header p {
  color: var(--fg-secondary);
  font-size: 1rem;
}
.pipeline-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.step {
  background: var(--bg-card);
  padding: 36px 28px;
  position: relative;
}
.step:first-child { border-radius: 12px 0 0 12px; }
.step:last-child { border-radius: 0 12px 12px 0; }
.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}
.step h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.step p {
  font-size: 0.88rem;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* ====== FEATURES ====== */
.features {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px 64px;
}
.feature-item {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.feature-item h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.feature-item p {
  font-size: 0.92rem;
  color: var(--fg-secondary);
  line-height: 1.65;
}

/* ====== COMPARISON ====== */
.comparison {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}
.comparison h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 56px;
}
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}
.compare-card {
  padding: 36px;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.compare-card.old {
  background: var(--bg-secondary);
}
.compare-card.new {
  background: var(--bg-card);
  border-color: rgba(255, 107, 43, 0.2);
}
.compare-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 20px;
}
.compare-card.old .compare-label { color: var(--fg-muted); }
.compare-card.new .compare-label { color: var(--accent); }
.compare-card ul {
  list-style: none;
  padding: 0;
}
.compare-card li {
  font-size: 0.9rem;
  padding: 8px 0;
  color: var(--fg-secondary);
  border-bottom: 1px solid var(--border);
}
.compare-card li:last-child { border: none; }
.compare-card.old li::before {
  content: '\2715 ';
  color: var(--fg-muted);
  margin-right: 8px;
}
.compare-card.new li::before {
  content: '\2713 ';
  color: var(--accent);
  margin-right: 8px;
}

/* ====== CLOSING ====== */
.closing {
  padding: 120px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}
.closing h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.closing h2 em {
  font-style: normal;
  color: var(--accent);
}
.closing p {
  color: var(--fg-secondary);
  font-size: 1.05rem;
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ====== FOOTER ====== */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer p {
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-family: 'Space Grotesk', sans-serif;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
  .pipeline-steps {
    grid-template-columns: 1fr;
    gap: 2px;
  }
  .step:first-child { border-radius: 12px 12px 0 0; }
  .step:last-child { border-radius: 0 0 12px 12px; }
  .features-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .compare-grid {
    grid-template-columns: 1fr;
  }
  .hero { padding: 80px 0 60px; }
  .pipeline, .features, .comparison { padding: 72px 0; }
  .closing { padding: 80px 0; }
}