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

:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --fg: #e8e4df;
  --fg-muted: #8a8580;
  --fg-dim: #5a5550;
  --accent: #c8956c;
  --accent-bright: #e0b08a;
  --accent-dim: #8a6040;
  --rust: #a0522d;
  --copper: #b87333;
  --steel: #6b7b8d;
  --steel-light: #8a9bae;
  --border: #2a2520;
  --border-accent: #3a3025;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

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

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(200, 149, 108, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--accent-dim);
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 2rem;
}

.hero h1 span {
  color: var(--accent);
}

.hero-sub {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--fg-muted);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-family: 'DM Mono', monospace;
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--accent-bright);
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

/* How It Works */
.how-section {
  padding: 8rem 2rem;
  position: relative;
}

.how-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, var(--accent-dim), transparent);
}

.section-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4rem;
  color: var(--fg);
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.flow-item {
  background: var(--bg-elevated);
  padding: 2.5rem 2rem;
  position: relative;
}

.flow-item::before {
  content: attr(data-step);
  font-family: 'DM Mono', monospace;
  font-size: 4rem;
  font-weight: 700;
  color: var(--border-accent);
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  line-height: 1;
}

.flow-item h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--fg);
}

.flow-item p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* Features */
.features-section {
  padding: 6rem 2rem 8rem;
  background: var(--bg-elevated);
  position: relative;
}

.features-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  margin-top: 3rem;
}

.feature-card {
  background: var(--bg-elevated);
  padding: 3rem 2.5rem;
}

.feature-icon {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  display: block;
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--fg);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* Closing */
.closing-section {
  padding: 10rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200, 149, 108, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

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

.closing-section h2 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  color: var(--fg);
}

.closing-section h2 span {
  color: var(--accent);
}

.closing-section p {
  font-size: 1.15rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto;
}

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

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-weight: 600;
  font-size: 1rem;
  color: var(--fg);
}

.footer-note {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
}

/* Landing Nav */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  background: rgba(10,10,10,0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.landing-nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.landing-nav-links {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.lnav-btn {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.35rem 0.9rem;
  border-radius: 3px;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-block;
}

.lnav-btn.ghost {
  color: var(--fg-muted);
  border-color: var(--border);
}
.lnav-btn.ghost:hover { color: var(--fg); border-color: var(--border-accent); }

.lnav-btn.primary {
  background: var(--accent);
  color: #0a0a0a;
  font-weight: 600;
}
.lnav-btn.primary:hover { background: var(--accent-bright); }

/* CTA buttons */
.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-cta-primary {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  background: var(--accent);
  color: #0a0a0a;
  text-decoration: none;
  border-radius: 3px;
  transition: background 0.2s;
  display: inline-block;
}
.hero-cta-primary:hover { background: var(--accent-bright); }

.hero-cta-secondary {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  padding: 0.75rem 1.75rem;
  background: transparent;
  color: var(--fg-muted);
  text-decoration: none;
  border-radius: 3px;
  border: 1px solid var(--border);
  transition: all 0.2s;
  display: inline-block;
}
.hero-cta-secondary:hover { color: var(--fg); border-color: var(--border-accent); }

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 4rem 1.5rem 3rem;
    min-height: auto;
    padding-top: 6rem;
  }

  .hero-stats {
    gap: 2rem;
  }

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

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

  .how-section,
  .features-section {
    padding: 5rem 1.5rem;
  }

  .closing-section {
    padding: 6rem 1.5rem;
  }

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

  .feature-card {
    padding: 2rem 1.5rem;
  }

  .flow-item {
    padding: 2rem 1.5rem;
  }
}