:root {
  --bg: #0d1117;
  --bg-alt: #161b22;
  --bg-card: #1c2128;
  --fg: #e6edf3;
  --fg-muted: #7d8590;
  --fg-subtle: #484f58;
  --accent: #39d353;
  --accent-dim: rgba(57, 211, 83, 0.12);
  --warning: #d29922;
  --border: #30363d;
}

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

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Source Sans 3', 'Source Sans Pro', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.01em;
}
.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-family: 'JetBrains Mono', monospace;
}

/* HERO */
.hero {
  padding: 5rem 2rem 4rem;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  opacity: 0.8;
}
.hero-headline {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.hero-lede {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  max-width: 480px;
}
.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(57, 211, 83, 0.25);
  padding: 0.3rem 0.75rem;
  border-radius: 3px;
}

/* TERMINAL */
.hero-terminal {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(57,211,83,0.08);
}
.terminal-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }
.terminal-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--fg-muted);
  margin-left: 0.75rem;
}
.terminal-body {
  padding: 1.25rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre;
}
.ts-comment { color: #6e7681; }
.ts-keyword { color: #ff7b72; }
.ts-fn { color: #d2a8ff; }
.ts-string { color: #a5d6ff; }

.pf-annotation {
  display: block;
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-card);
  border-radius: 5px;
  border-left: 3px solid var(--border);
}
.pf-badge {
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  margin-right: 0.4rem;
}
.pf-warning { color: var(--warning); }
.pf-success { color: var(--accent); }

/* FEATURES */
.features {
  padding: 5rem 2rem;
  border-bottom: 1px solid var(--border);
}
.features-inner { max-width: 1100px; margin: 0 auto; }
.section-heading {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
.section-sub {
  color: var(--fg-muted);
  font-size: 1rem;
  max-width: 560px;
  margin-bottom: 3.5rem;
  line-height: 1.7;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg);
  padding: 2rem 1.75rem;
}
.feature-card:hover {
  background: var(--bg-alt);
}
.feature-icon {
  margin-bottom: 1rem;
  opacity: 0.9;
}
.feature-card h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.6rem;
}
.feature-card p {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* HOW IT WORKS */
.hiw-inner { max-width: 1100px; margin: 0 auto; padding: 5rem 2rem; }
.hiw-inner .section-heading { margin-bottom: 3rem; }
.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  top: 1.8rem;
  left: 3rem;
  right: 3rem;
  height: 1px;
  background: var(--border);
}
.step {
  padding: 0 1.25rem;
  position: relative;
}
.step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--bg);
  width: 3.6rem;
  height: 3.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--accent);
  margin-bottom: 1.25rem;
  position: relative;
}
.step-content h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.5rem;
}
.step-content p {
  font-size: 0.8rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* MANIFESTO */
.manifesto {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 5rem 2rem;
}
.manifesto-inner { max-width: 720px; margin: 0 auto; }
.manifesto-quote {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 600;
  color: var(--fg);
  line-height: 1.4;
  margin-bottom: 2rem;
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
}
.manifesto-body {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}
.manifesto-highlight {
  color: var(--fg);
  font-weight: 500;
}

/* CLOSING */
.closing { padding: 6rem 2rem; text-align: center; }
.closing-inner { max-width: 600px; margin: 0 auto; }
.closing-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 1rem;
  opacity: 0.7;
}
.closing-headline {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--fg);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.closing-sub {
  color: var(--fg-muted);
  font-size: 1rem;
}

/* SIGNUP PAGE */
.signup-nav {
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
}
.signup-nav .nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fg);
  text-decoration: none;
}
.signup-main {
  min-height: calc(100vh - 56px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 1.5rem;
}
.signup-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3rem 2.5rem;
  max-width: 480px;
  width: 100%;
}
.signup-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
  opacity: 0.7;
}
.signup-headline {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}
.signup-sub {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}
.signup-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--fg-muted);
}
.form-group input {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--fg);
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 0.95rem;
  padding: 0.7rem 1rem;
  transition: border-color 0.15s;
}
.form-group input::placeholder { color: var(--fg-subtle); }
.form-group input:focus { outline: none; border-color: var(--accent); }
.btn-primary {
  background: var(--accent);
  color: #0d1117;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.85rem 1.5rem;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: opacity 0.15s;
}
.btn-primary:hover { opacity: 0.85; }
.form-error { color: #ff7b72; font-size: 0.85rem; }

/* CLOSING CTA */
.closing-cta-wrap { margin-top: 1.75rem; }
.btn-cta {
  display: inline-block;
  background: var(--accent);
  color: #0d1117;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: 5px;
  text-decoration: none;
  transition: opacity 0.15s;
}
.btn-cta:hover { opacity: 0.85; }

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-note {
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-family: 'JetBrains Mono', monospace;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 2rem; }
  .steps::before { display: none; }
  .step { padding: 0; }
}
@media (max-width: 600px) {
  .feature-grid { grid-template-columns: 1fr; }
  .hero { padding: 3rem 1.5rem 2.5rem; }
  .features, .hiw-inner, .manifesto { padding: 3rem 1.5rem; }
  .closing { padding: 4rem 1.5rem; }
}