:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --fg-dim: #55556a;
  --accent: #00e5a0;
  --accent-dim: #00e5a020;
  --accent-glow: #00e5a040;
  --red: #ff4d6a;
  --orange: #ff8c42;
  --yellow: #ffd500;
  --border: #1e1e2e;
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── HERO ─── */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 800px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 32px;
  background: var(--accent-dim);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -1.5px;
}

.hero-accent {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-dim);
  margin-top: 8px;
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
}

/* ─── PIPELINE ─── */
.pipeline {
  padding: 100px 24px;
  background: var(--bg);
}

.pipeline-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 56px;
}

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

.agent-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  position: relative;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.agent-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 40px var(--accent-glow);
}

.agent-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-dim);
  line-height: 1;
  margin-bottom: 16px;
  color: var(--accent);
  opacity: 0.2;
}

.agent-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.agent-card p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.agent-output {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--accent);
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.flow-arrow {
  display: flex;
  align-items: center;
  padding: 0 8px;
  color: var(--fg-dim);
  flex-shrink: 0;
}

/* ─── COMPARISON ─── */
.comparison {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

.comparison-inner {
  max-width: 960px;
  margin: 0 auto;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

.compare-col {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
}

.compare-new {
  border-color: var(--accent);
  box-shadow: 0 0 60px var(--accent-glow);
}

.compare-header {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--fg-dim);
  margin-bottom: 16px;
}

.compare-new .compare-header {
  color: var(--accent);
}

.compare-price {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1;
}

.compare-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--fg-muted);
}

.compare-old .compare-price { color: var(--red); }
.compare-agency .compare-price { color: var(--orange); }
.compare-new .compare-price { color: var(--accent); }

.compare-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.compare-col li {
  font-size: 0.92rem;
  color: var(--fg-muted);
  padding-left: 20px;
  position: relative;
}

.compare-old li::before,
.compare-agency li::before {
  content: '\2715';
  position: absolute;
  left: 0;
  color: var(--fg-dim);
  font-size: 0.75rem;
}

.compare-new li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.85rem;
}

/* ─── FEATURES ─── */
.features {
  padding: 100px 24px;
  background: var(--bg);
}

.features-inner {
  max-width: 960px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color 0.3s;
}

.feature:hover {
  border-color: var(--accent);
}

.feature-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
  color: var(--accent);
}

.feature h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ─── CLOSING ─── */
.closing {
  padding: 120px 24px;
  text-align: center;
  background: var(--bg);
  position: relative;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.closing-text {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  font-style: italic;
}

/* ─── FOOTER ─── */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  background: var(--bg);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.footer-tagline {
  font-size: 0.82rem;
  color: var(--fg-dim);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .pipeline-flow {
    flex-direction: column;
    gap: 16px;
  }

  .flow-arrow {
    transform: rotate(90deg);
    justify-content: center;
    padding: 4px 0;
  }

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

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

  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

  .hero {
    min-height: 70vh;
    padding: 60px 20px;
  }
}