:root {
  --bg: #09090f;
  --surface: #12121e;
  --border: #1e1e32;
  --red: #ef4444;
  --red-dim: #7f1d1d;
  --amber: #f59e0b;
  --green: #22c55e;
  --blue: #3b82f6;
  --purple: #a855f7;
  --white: #f1f5f9;
  --muted: #64748b;
  --ink: #cbd5e1;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--red); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1040px; margin: 0 auto; padding: 0 1.5rem; }

/* Scanline overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
  pointer-events: none;
  z-index: 100;
}

/* Header */
header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1040px;
  margin: 0 auto;
}
.logo {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.logo-bracket { color: var(--red); }
.status-chip {
  font-size: 0.7rem;
  color: var(--amber);
  border: 1px solid var(--amber);
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  letter-spacing: 0.08em;
}
.parent-link {
  font-size: 0.75rem;
  color: var(--muted);
}

/* Hero */
.hero {
  padding: 5rem 1.5rem 4rem;
  max-width: 1040px;
  margin: 0 auto;
}
.hero-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.hero-eyebrow::before {
  content: '▶';
  font-size: 0.5rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  max-width: 760px;
}
.hero h1 .highlight {
  color: var(--red);
  position: relative;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  font-family: system-ui, -apple-system, sans-serif;
}
.cta-group { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.1s;
}
.btn:hover { opacity: 0.85; transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: var(--red); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--muted); }

/* Scenario ticker */
.ticker {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
  overflow: hidden;
  white-space: nowrap;
  margin: 3rem 0;
}
.ticker-inner {
  display: inline-flex;
  gap: 3rem;
  animation: ticker 30s linear infinite;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}
.ticker-inner span { color: var(--red); }
@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* How it works */
.how {
  padding: 4rem 1.5rem;
  max-width: 1040px;
  margin: 0 auto;
}
.section-label {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.75rem;
}
h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--white);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}
.sub {
  color: var(--muted);
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.95rem;
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.steps { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1px; background: var(--border); margin-top: 2rem; }
.step {
  background: var(--bg);
  padding: 1.5rem;
  position: relative;
}
.step-num {
  font-size: 0.65rem;
  color: var(--red);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  font-weight: 700;
}
.step h3 {
  font-size: 0.9rem;
  color: var(--white);
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}
.step p {
  font-size: 0.8rem;
  color: var(--muted);
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.6;
}

/* Scenario preview */
.scenarios { padding: 4rem 1.5rem; max-width: 1040px; margin: 0 auto; }
.scenario-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1px; background: var(--border); margin-top: 2rem; }
.scenario-card {
  background: var(--surface);
  padding: 1.25rem;
  cursor: default;
  transition: background 0.15s;
  position: relative;
}
.scenario-card:hover { background: #16162a; }
.scenario-card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 0.5rem; }
.scenario-id { font-size: 0.65rem; color: var(--red); letter-spacing: 0.1em; }
.diff-badge {
  font-size: 0.6rem;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.diff-rookie { background: #052e16; color: var(--green); }
.diff-analyst { background: #1e3a5f; color: #60a5fa; }
.diff-ic { background: #3b0764; color: #c084fc; }
.diff-ciso { background: #450a0a; color: var(--red); }
.scenario-name { font-size: 0.95rem; font-weight: 700; color: var(--white); margin-bottom: 0.35rem; }
.scenario-tagline { font-size: 0.78rem; color: var(--muted); font-family: system-ui, -apple-system, sans-serif; line-height: 1.5; margin-bottom: 0.75rem; }
.scenario-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.tag {
  font-size: 0.6rem;
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Roles */
.roles { padding: 4rem 1.5rem; max-width: 1040px; margin: 0 auto; }
.role-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 2rem; }
.role-chip {
  font-size: 0.72rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--ink);
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Stats */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3rem 1.5rem;
  margin: 2rem 0;
}
.stats-inner { max-width: 1040px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 2rem; }
.stat-num { font-size: 2.5rem; font-weight: 700; color: var(--white); line-height: 1; }
.stat-num span { color: var(--red); }
.stat-label { font-size: 0.75rem; color: var(--muted); margin-top: 0.25rem; letter-spacing: 0.05em; text-transform: uppercase; font-family: system-ui; }

/* CTA */
.cta { padding: 5rem 1.5rem; text-align: center; max-width: 640px; margin: 0 auto; }
.cta h2 { margin-bottom: 1rem; font-size: clamp(1.5rem, 3vw, 2rem); }
.cta p { color: var(--muted); font-family: system-ui, -apple-system, sans-serif; font-size: 0.95rem; line-height: 1.7; margin-bottom: 2rem; }
.cta-note { font-size: 0.75rem; color: var(--muted); margin-top: 1rem; }

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  font-size: 0.75rem;
  color: var(--muted);
}
.footer-inner { max-width: 1040px; margin: 0 auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; align-items: center; }
footer a { color: var(--muted); }
footer a:hover { color: var(--ink); }

@media (max-width: 640px) {
  .hero h1 { font-size: 1.75rem; }
  .steps, .scenario-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: 1fr 1fr; }
  .cta-group { flex-direction: column; align-items: flex-start; }
}