:root {
  --color-sidebar-bg: #000C21;
  --color-page-bg: #071426;
  --color-surface: #0B1830;
  --color-surface-elevated: #10203D;
  --color-border: #1C2C46;
  --color-divider: #223552;
  --color-text-primary: #F3F6FB;
  --color-text-secondary: #9AA8BD;
  --color-text-muted: #71819A;
  --color-accent: #F41E22;
  --color-accent-hover: #FF4A4F;
  --color-accent-active: #D91419;
  --color-accent-soft: #3A1117;
  --color-link: #FF4A4F;
  --color-link-hover: #FF6A6E;
  --color-focus-ring: #FF5C61;
  --color-button-primary-bg: #F41E22;
  --color-button-primary-hover: #FF4A4F;
  --color-button-primary-active: #D91419;
  --color-button-primary-text: #FFFFFF;
  --color-button-secondary-bg: #10203D;
  --color-button-secondary-hover: #162949;
  --color-button-secondary-border: #2A4160;
  --color-button-secondary-text: #F3F6FB;
  --color-selection-bg: #5A141B;
  --color-selection-text: #FFFFFF;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-page-bg);
  color: var(--color-text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--color-selection-bg); color: var(--color-selection-text); }

a { color: var(--color-link); text-decoration: none; }
a:hover { color: var(--color-link-hover); }
:focus-visible { outline: 2px solid var(--color-focus-ring); outline-offset: 2px; border-radius: 4px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-sidebar-bg);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand { display: flex; align-items: center; }
.brand img { height: 36px; width: auto; display: block; }

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-button-primary-bg);
  color: var(--color-button-primary-text);
}
.btn-primary:hover { background: var(--color-button-primary-hover); color: #fff; }
.btn-primary:active { background: var(--color-button-primary-active); }

.btn-secondary {
  background: var(--color-button-secondary-bg);
  border-color: var(--color-button-secondary-border);
  color: var(--color-button-secondary-text);
}
.btn-secondary:hover { background: var(--color-button-secondary-hover); color: var(--color-text-primary); }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  padding: 96px 0 72px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.hero h1 .accent { color: var(--color-accent); }
.hero .tagline {
  font-size: 20px;
  color: var(--color-text-secondary);
  max-width: 760px;
  margin: 0 auto 32px;
}
.hero-ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.section { padding: 64px 0; border-top: 1px solid var(--color-divider); }
.section h2 {
  font-size: clamp(28px, 3.5vw, 36px);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.section .lede {
  color: var(--color-text-secondary);
  max-width: 720px;
  margin: 0 0 40px;
  font-size: 17px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 24px;
  transition: border-color 0.15s, background 0.15s;
}
.card:hover { border-color: var(--color-accent); background: var(--color-surface-elevated); }
.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--color-text-primary);
}
.card p { margin: 0; color: var(--color-text-secondary); font-size: 15px; }
.card .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  margin-bottom: 16px;
  font-weight: 700;
  font-size: 18px;
}

.agents-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: stretch;
  margin-top: 16px;
}
.agents-row .vs {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-weight: 700;
  letter-spacing: 0.1em;
  font-size: 14px;
}
@media (max-width: 720px) {
  .agents-row { grid-template-columns: 1fr; }
}

.agent-card { border-left: 3px solid var(--color-accent); }
.agent-card.defender { border-left-color: var(--color-divider); }

.steps { counter-reset: step; display: grid; gap: 16px; }
.step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
}
.step::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  font-weight: 700;
}
.step h3 { margin: 0 0 4px; font-size: 17px; }
.step p { margin: 0; color: var(--color-text-secondary); }

.cta-banner {
  margin: 64px 0;
  padding: 48px 32px;
  text-align: center;
  background: linear-gradient(135deg, var(--color-surface-elevated), var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: 14px;
}
.cta-banner h2 { margin: 0 0 12px; }
.cta-banner p { color: var(--color-text-secondary); margin: 0 0 24px; }

.site-footer {
  border-top: 1px solid var(--color-divider);
  padding: 32px 0;
  color: var(--color-text-muted);
  font-size: 14px;
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
}
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: var(--color-text-secondary); }
.footer-links a:hover { color: var(--color-link-hover); }

.legal-page {
  max-width: 780px;
  margin: 0 auto;
  padding: 64px 24px;
}
.legal-page h1 { font-size: 36px; margin: 0 0 8px; }
.legal-page .updated { color: var(--color-text-muted); margin: 0 0 32px; font-size: 14px; }
.legal-page h2 { font-size: 20px; margin: 32px 0 8px; }
.legal-page p, .legal-page li { color: var(--color-text-secondary); }