:root {
  --bg-primary: #0d0d14;
  --bg-secondary: #141422;
  --bg-card: #1a1a2e;
  --bg-card-hover: #222240;
  --text-primary: #f0f0f5;
  --text-secondary: #9494aa;
  --text-muted: #6b6b80;
  --accent: #ff6b35;
  --accent-glow: rgba(255, 107, 53, 0.15);
  --accent-secondary: #4a90d9;
  --success: #22c55e;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

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

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  background: rgba(13, 13, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
}
.logo-icon {
  font-size: 1.4rem;
}
.logo-text {
  letter-spacing: -0.02em;
}

/* Hero */
.hero {
  padding: 8rem 2rem 5rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: 
    radial-gradient(ellipse 60% 50% at 70% 40%, rgba(255, 107, 53, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(74, 144, 217, 0.05) 0%, transparent 70%),
    var(--bg-primary);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--accent-glow);
  border: 1px solid rgba(255, 107, 53, 0.25);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.hero h1 .accent {
  color: var(--accent);
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 520px;
}

/* Forge Animation / Visual */
.forge-animation {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.forge-stage {
  display: grid;
  grid-template-columns: 140px 1fr 50px;
  align-items: center;
  gap: 1rem;
}
.forge-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-align: right;
}
.forge-bar {
  height: 28px;
  background: linear-gradient(90deg, var(--bar-color), transparent);
  width: var(--bar-width);
  border-radius: 6px;
  opacity: 0.85;
  position: relative;
}
.forge-bar::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--bar-color);
  border-radius: 0 6px 6px 0;
  box-shadow: 0 0 12px var(--bar-color);
}
.forge-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

/* Problem */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-secondary);
}
.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
  text-align: center;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: border-color 0.2s;
}
.problem-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
}
.problem-card.highlight {
  border-color: var(--accent);
  background: linear-gradient(160deg, rgba(255, 107, 53, 0.08), var(--bg-card));
}
.problem-price {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.03em;
}
.problem-price span {
  font-size: 1.2rem;
  color: var(--text-muted);
  font-weight: 500;
}
.highlight .problem-price {
  color: var(--accent);
}
.problem-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Pipeline */
.pipeline {
  padding: 6rem 2rem;
}
.pipeline-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.pipeline h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 0.75rem;
}
.pipeline-sub {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 4rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.pipeline-stages {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.stage {
  flex: 1;
  padding: 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.stage-arrow {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  color: var(--text-muted);
  padding: 0 0.75rem;
  margin-top: 3rem;
}
.stage-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}
.stage h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
.stage p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Economics */
.economics {
  padding: 6rem 2rem;
  background: var(--bg-secondary);
}
.economics-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.economics h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 3rem;
}
.econ-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.econ-item {
  text-align: center;
  padding: 2rem 1.5rem;
}
.econ-value {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
}
.econ-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Verticals */
.verticals {
  padding: 6rem 2rem;
}
.verticals-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.verticals h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 3rem;
}
.vert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.vert-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform 0.2s, border-color 0.2s;
}
.vert-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.12);
}
.vert-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.vert-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.vert-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Manifesto */
.manifesto {
  padding: 6rem 2rem;
  background: 
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(255, 107, 53, 0.06) 0%, transparent 70%),
    var(--bg-secondary);
}
.manifesto-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.manifesto h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
  line-height: 1.2;
}
.manifesto p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.manifesto p:last-child {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 1.15rem;
}

/* Footer */
.footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}
.footer-tagline {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}
.footer-copy {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero {
    min-height: auto;
    padding: 7rem 1.5rem 3rem;
  }
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .pipeline-stages {
    flex-direction: column;
    gap: 1rem;
  }
  .stage-arrow {
    transform: rotate(90deg);
    justify-content: center;
    padding: 0;
    margin: 0;
  }
  .econ-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .vert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .forge-stage {
    grid-template-columns: 100px 1fr 40px;
  }
  .forge-label {
    font-size: 0.7rem;
  }
}

@media (max-width: 500px) {
  .econ-grid {
    grid-template-columns: 1fr;
  }
  .vert-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .nav {
    padding: 1rem 1.25rem;
  }
  .forge-stage {
    grid-template-columns: 80px 1fr 36px;
    gap: 0.5rem;
  }
}