:root {
  --bg: #050507;
  --surface: #0d0d14;
  --surface-2: #12121e;
  --border: #1c1c2e;
  --accent: #00E5FF;
  --accent-dim: rgba(0, 229, 255, 0.15);
  --green: #00FF94;
  --text: #f0f0f8;
  --muted: #7878a0;
  --radius: 6px;
  --font: 'Space Grotesk', sans-serif;
  --mono: 'DM Mono', monospace;
}

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

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

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

/* ── Navigation ── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
}
.nav-tagline {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: lowercase;
}

/* ── Hero ── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 80px 48px 96px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.8;
}
.hero-headline {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.hero-accent { color: var(--accent); }
.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 440px;
  line-height: 1.7;
}

/* ── Terminal ── */
.hero-terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 32px 64px rgba(0,0,0,0.6), 0 0 0 1px rgba(0,229,255,0.05);
}
.terminal-bar {
  background: var(--surface-2);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}
.terminal-dots { display: flex; gap: 5px; }
.terminal-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.terminal-dots span:nth-child(1) { background: #FF5F57; }
.terminal-dots span:nth-child(2) { background: #FEBC2E; }
.terminal-dots span:nth-child(3) { background: #28C840; }
.terminal-title { font-family: var(--mono); font-size: 0.7rem; color: var(--muted); margin-left: auto; margin-right: auto; }
.terminal-body {
  padding: 20px 20px 24px;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.8;
  color: var(--text);
}
.terminal-line { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.t-prompt { color: var(--accent); }
.t-cmd { color: #e8e8ff; }
.t-muted { color: var(--muted); }
.t-green { color: var(--green); }
.t-cyan { color: var(--accent); }
.t-link { color: #9d8fff; }
.t-cursor { color: var(--accent); }
.t-accent { color: var(--accent); font-weight: 500; }
.terminal-spacer { height: 14px; }
.terminal-progress { margin: 4px 0; }

/* ── How ── */
.how {
  padding: 96px 48px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}
.how-header { margin-bottom: 56px; }
.how-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.how-steps { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: start; gap: 0; }
.how-divider {
  width: 1px;
  height: 120px;
  background: var(--border);
  margin: 40px 32px 0;
}
.step-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 0.08em;
}
.step-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.step-content p { font-size: 0.88rem; color: var(--muted); line-height: 1.65; }

/* ── Features ── */
.features {
  padding: 96px 48px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.features h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  max-width: 500px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 900px;
}
.feature-card {
  background: var(--surface);
  padding: 32px 28px;
}
.feature-icon {
  color: var(--accent);
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.feature-card p { font-size: 0.85rem; color: var(--muted); line-height: 1.65; }

/* ── Manifesto ── */
.manifesto {
  padding: 96px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.manifesto-inner { max-width: 640px; }
.manifesto-quote {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 24px;
}
.manifesto-body {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.75;
}

/* ── Closing ── */
.closing {
  padding: 80px 48px 112px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}
.closing h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 24px;
}
.closing-body { font-size: 1rem; color: var(--muted); max-width: 540px; line-height: 1.75; }

/* ── Footer ── */
.footer {
  padding: 24px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
}
.footer-copy { font-size: 0.78rem; color: var(--border); letter-spacing: 0.02em; }

/* ── Mobile ── */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding: 48px 24px 56px; }
  .hero-terminal { font-size: 0.72rem; }
  .how { padding: 64px 24px; }
  .how-steps { grid-template-columns: 1fr; gap: 0; }
  .how-divider { width: 40px; height: 1px; margin: 24px 0; }
  .features { padding: 64px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .manifesto { padding: 64px 24px; }
  .closing { padding: 64px 24px 80px; }
  .footer { padding: 20px 24px; flex-direction: column; gap: 8px; align-items: flex-start; }
}