:root {
  --bg: #0A0F1E;
  --bg-alt: #0F1629;
  --fg: #E8EDF5;
  --fg-dim: #7A8499;
  --accent: #00D4A1;
  --accent-dim: rgba(0, 212, 161, 0.12);
  --border: rgba(255, 255, 255, 0.07);
  --terminal-bg: #060A14;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  line-height: 1.15;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 48px;
  height: 60px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(12px);
}
.nav-inner { display: flex; align-items: center; }
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--fg);
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 48px 80px;
  background: var(--bg);
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-size: clamp(38px, 5vw, 62px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 20px;
  line-height: 1.1;
}
.hero-lede {
  font-size: 17px;
  color: var(--fg-dim);
  max-width: 420px;
  line-height: 1.7;
}

/* TERMINAL */
.hero-terminal {
  background: var(--terminal-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(0,212,161,0.08);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}
.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
}
.terminal-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  color: var(--fg-dim);
  margin-left: 8px;
  letter-spacing: 0.05em;
}
.terminal-body {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.terminal-line {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  color: var(--fg-dim);
  display: flex;
  gap: 10px;
}
.t-dim { color: #4A5568; min-width: 90px; }
.t-accent { color: var(--accent); }
.terminal-success { color: var(--accent); }

/* HOW IT WORKS */
.how { padding: 100px 48px; background: var(--bg-alt); }
.how-inner { max-width: 900px; margin: 0 auto; }
.section-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 60px;
}
.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
}
.step:first-child { border-top: 1px solid var(--border); }
.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  min-width: 36px;
  padding-top: 3px;
}
.step-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
}
.step-desc {
  font-size: 15px;
  color: var(--fg-dim);
  max-width: 540px;
}

/* FEATURES */
.features { padding: 100px 48px; background: var(--bg); }
.features-inner { max-width: 1100px; margin: 0 auto; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg);
  padding: 36px 32px;
  transition: background 0.2s;
}
.feature-card:hover { background: var(--bg-alt); }
.feature-icon {
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}
.feature-desc {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.6;
}

/* PROOF */
.proof { padding: 100px 48px; background: var(--bg-alt); }
.proof-inner { max-width: 1100px; margin: 0 auto; }
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 0;
}
.proof-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 32px;
}
.proof-icon {
  display: block;
  color: var(--accent);
  margin-bottom: 20px;
}
.proof-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
}
.proof-desc {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.7;
}

/* CLOSING */
.closing { padding: 120px 48px; background: var(--bg); text-align: center; }
.closing-inner { max-width: 700px; margin: 0 auto; }
.closing-headline {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--fg);
  margin-bottom: 20px;
}
.closing-sub {
  font-size: 17px;
  color: var(--fg-dim);
}

/* FOOTER */
.footer {
  padding: 48px;
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--fg);
}
.footer-copy {
  font-size: 13px;
  color: var(--fg-dim);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-terminal { max-width: 480px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid { grid-template-columns: 1fr; }
  .nav { padding: 0 24px; }
  .hero, .how, .features, .proof, .closing { padding: 80px 24px; }
}
@media (max-width: 600px) {
  .feature-grid { grid-template-columns: 1fr; }
  .step { gap: 20px; }
  .hero-headline { font-size: 36px; }
}