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

:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --surface2: #1a1a1a;
  --border: #222222;
  --amber: #f59e0b;
  --amber-dim: rgba(245, 158, 11, 0.15);
  --green: #22c55e;
  --red: #ef4444;
  --text: #e5e5e5;
  --text-dim: #737373;
  --font-mono: 'Space Mono', 'Courier New', monospace;
  --font-sans: 'IBM Plex Sans', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}

/* Amber glow at top */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  z-index: 999;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.nav-brand {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--amber);
  letter-spacing: 0.05em;
}

.nav-tagline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Hero */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1.5rem;
}

.hero-headline {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  color: #fff;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--text-dim);
  max-width: 480px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

/* Terminal block */
.hero-terminal {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
  max-width: 600px;
  box-shadow: 0 0 60px rgba(245, 158, 11, 0.08), 0 20px 60px rgba(0,0,0,0.5);
}

.terminal-bar {
  background: var(--surface2);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.terminal-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--border);
}

.terminal-dot:first-child { background: #ef4444; }
.terminal-dot:nth-child(2) { background: #f59e0b; }
.terminal-dot:nth-child(3) { background: #22c55e; }

.terminal-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-left: 0.5rem;
}

.terminal-body {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.terminal-line {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.8;
}

.t-dim { color: var(--text-dim); }
.t-green { color: var(--green); }
.t-amber { color: var(--amber); }
.t-white { color: #fff; }

/* Section label */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}

/* Manifesto */
.manifesto {
  position: relative;
  z-index: 1;
  padding: 6rem 2rem;
  border-top: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.manifesto-headline {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 3rem;
  line-height: 1.15;
  max-width: 700px;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.manifesto-text {
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.manifesto-stats {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.stat {
  border-left: 2px solid var(--amber);
  padding-left: 1.5rem;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* How it works */
.howitworks {
  position: relative;
  z-index: 1;
  padding: 6rem 2rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.hiw-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.hiw-headline {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 3.5rem;
  line-height: 1.15;
}

.hiw-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hiw-step {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.hiw-step:last-child { border-bottom: none; }

.step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber);
  padding-top: 0.3rem;
  letter-spacing: 0.1em;
}

.step-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}

.step-desc {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 560px;
}

/* Capabilities */
.capabilities {
  position: relative;
  z-index: 1;
  padding: 6rem 2rem;
  border-top: 1px solid var(--border);
}

.cap-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.cap-headline {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 3rem;
  line-height: 1.15;
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.cap-card {
  background: var(--bg);
  padding: 2rem;
  transition: background 0.2s;
}

.cap-card:hover { background: var(--surface); }

.cap-icon {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--amber);
  background: var(--amber-dim);
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

.cap-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}

.cap-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.65;
}

/* Closing */
.closing {
  position: relative;
  z-index: 1;
  padding: 6rem 2rem 8rem;
  border-top: 1px solid var(--border);
}

.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.closing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.closing-headline {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.closing-body {
  color: var(--text-dim);
  line-height: 1.8;
  font-size: 1rem;
}

.closing-terminal {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

/* Footer */
.footer {
  position: relative;
  z-index: 1;
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-copy {
  font-size: 0.8rem;
  color: #333;
}

/* Demo: live fuzzing UI */
.demo-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 600px;
}

.demo-input-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

#demo-url {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem 0.875rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}

#demo-url::placeholder { color: var(--text-dim); }
#demo-url:focus { border-color: var(--amber); }

#demo-go {
  background: var(--amber);
  color: #000;
  border: none;
  border-radius: 6px;
  padding: 0.6rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: background 0.2s, opacity 0.2s;
  white-space: nowrap;
  min-width: 70px;
  justify-content: center;
}

#demo-go:hover:not(:disabled) { background: #fbbf24; }
#demo-go:disabled { opacity: 0.5; cursor: not-allowed; }

.demo-spinner {
  width: 12px;
  height: 12px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.demo-summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0 0.25rem;
}

.t-text-dim { color: var(--text-dim); }
.t-red { color: var(--red); }

/* Responsive */
@media (max-width: 900px) {
  .manifesto-grid,
  .closing-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .cap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .hero { padding: 7rem 1.5rem 3rem; }
  .manifesto, .howitworks, .capabilities, .closing { padding: 4rem 1.5rem; }
  .hiw-step { grid-template-columns: 2.5rem 1fr; gap: 1rem; }
  .cap-grid { grid-template-columns: 1fr; }
}