:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --bg-card: #16161f;
  --fg: #e8e6f0;
  --fg-muted: #8b89a0;
  --fg-dim: #5a586e;
  --accent: #f43f5e;
  --accent-glow: rgba(244, 63, 94, 0.15);
  --accent-secondary: #fb923c;
  --accent-tertiary: #a78bfa;
  --border: #1e1e2a;
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  position: relative;
  z-index: 1;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 900px;
  position: relative;
  z-index: 1;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .lede {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--fg-muted);
  max-width: 580px;
  margin: 1.5rem auto 0;
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

/* === PIPELINE === */
.pipeline {
  padding: 6rem 2rem;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pipeline .section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 1rem;
}

.pipeline h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.pipeline .section-desc {
  text-align: center;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto 4rem;
  font-size: 1.05rem;
}

.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.pipeline-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  position: relative;
  transition: border-color 0.3s ease, transform 0.2s ease;
}

.pipeline-step:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--fg-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.pipeline-step h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--fg);
}

.pipeline-step p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.step-icon {
  font-size: 1.6rem;
  margin-bottom: 1rem;
  display: block;
}

/* === DIFFERENTIATORS === */
.differentiators {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.differentiators .section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-tertiary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 1rem;
}

.differentiators h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  letter-spacing: -0.02em;
  margin-bottom: 4rem;
}

.diff-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 5rem;
}

.diff-row.reverse {
  direction: rtl;
}

.diff-row.reverse > * {
  direction: ltr;
}

.diff-text h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.diff-text p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.diff-visual {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.visual-bar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.visual-bar .label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--fg-dim);
  width: 80px;
  text-align: right;
  flex-shrink: 0;
}

.visual-bar .bar {
  height: 8px;
  border-radius: 4px;
  background: var(--border);
  flex: 1;
  position: relative;
  overflow: hidden;
}

.visual-bar .bar .fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-secondary) 100%);
}

.visual-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-muted);
}

.visual-tag .check {
  color: var(--accent);
}

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

.closing::before {
  content: '';
  position: absolute;
  bottom: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin: 0 auto 1.5rem;
  position: relative;
  z-index: 1;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

/* === FOOTER === */
.footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}

.footer-note {
  font-size: 0.8rem;
  color: var(--fg-dim);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .diff-row,
  .diff-row.reverse {
    grid-template-columns: 1fr;
    gap: 2rem;
    direction: ltr;
  }

  .diff-row.reverse > * {
    direction: ltr;
  }

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

  .hero {
    padding: 4rem 1.5rem 3rem;
    min-height: 80vh;
  }

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