/* ============================================================================
   Cyber Flag / Testify — shared stylesheet for content + comparison pages
   Tokens and visual system lifted from the homepage (index.html) so every
   page in the AEO/GEO hub reads as native. Dark theme, no build step.
   ============================================================================ */

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

:root {
  --bg-primary: #0a0b0d;
  --bg-secondary: #111318;
  --bg-tertiary: #181b22;
  --bg-card: #14161c;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --text-primary: #e8e9ed;
  --text-secondary: #8b8f9a;
  --text-tertiary: #5a5e6b;
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --accent-dim: rgba(59, 130, 246, 0.08);
  --green: #10b981;
  --green-glow: rgba(16, 185, 129, 0.12);
  --amber: #f59e0b;
  --red: #ef4444;
  --sky: #60a5fa;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Space Mono', ui-monospace, monospace;
  --maxw: 1100px;
  --prosew: 780px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Background grid + noise (matches homepage) */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none; z-index: 0;
}
body::after {
  content: '';
  position: fixed; inset: 0;
  opacity: 0.025;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 0;
}

main, nav, footer, header { position: relative; z-index: 1; }
a { color: inherit; text-decoration: none; }

/* ===== NAV ===== */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; padding: 16px 32px;
  backdrop-filter: blur(20px);
  background: rgba(10, 11, 13, 0.85);
  border-bottom: 1px solid var(--border-subtle);
}
.site-nav .brand { display: flex; align-items: center; gap: 10px; }
.site-nav .flag {
  width: 22px; height: 22px; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
}
.site-nav .flag svg { width: 22px; height: 22px; stroke: var(--accent); fill: none; stroke-width: 1.7; }
.site-nav .brand-text {
  font-family: var(--font-mono); font-size: 14px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; color: var(--text-primary);
}
.site-nav .nav-links { display: flex; align-items: center; gap: 28px; }
.site-nav .nav-links a {
  font-size: 13px; font-weight: 500; color: var(--text-secondary);
  letter-spacing: 0.4px; transition: color 0.2s;
}
.site-nav .nav-links a:hover { color: var(--text-primary); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 6px;
  font-family: var(--font-body); font-size: 13px; font-weight: 500;
  letter-spacing: 0.3px; border: none; cursor: pointer;
  transition: all 0.25s ease;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 0 20px var(--accent-glow), 0 1px 3px rgba(0,0,0,0.3); }
.btn-primary:hover { background: #4b8ef7; box-shadow: 0 0 30px rgba(59,130,246,0.25), 0 4px 12px rgba(0,0,0,0.3); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border-subtle); }
.btn-ghost:hover { color: var(--text-primary); border-color: var(--border-hover); background: rgba(255,255,255,0.03); }
.btn-large { padding: 14px 30px; font-size: 14px; }

/* ===== PAGE SHELL ===== */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.prose-wrap { max-width: var(--prosew); margin: 0 auto; padding: 0 32px; }

.breadcrumb {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.5px;
  color: var(--text-tertiary); padding: 28px 0 0;
  display: flex; gap: 8px; flex-wrap: wrap;
}
.breadcrumb a:hover { color: var(--text-secondary); }
.breadcrumb .sep { color: var(--text-tertiary); opacity: 0.5; }

.eyebrow {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 3px;
  text-transform: uppercase; color: var(--accent); margin-bottom: 18px;
}

.page-head { padding: 40px 0 8px; }
h1.title {
  font-size: clamp(32px, 4.4vw, 52px); font-weight: 300; line-height: 1.12;
  letter-spacing: -1px; max-width: 18ch; margin-bottom: 22px;
}
h1.title strong { font-weight: 600; }
.lead {
  font-size: 19px; color: var(--text-secondary); max-width: 60ch; line-height: 1.7;
}

/* Answer-first callout — the quotable block answer engines lift */
.answer {
  margin: 34px 0;
  padding: 26px 30px;
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  background: linear-gradient(180deg, var(--bg-card) 0%, rgba(20,22,28,0.5) 100%);
  font-size: 18px; line-height: 1.7; color: var(--text-primary);
}
.answer strong { font-weight: 600; color: #fff; }
.answer .q {
  display: block; font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.5px; text-transform: uppercase; color: var(--text-tertiary);
  margin-bottom: 12px;
}

/* Article body */
.body { padding: 8px 0 40px; }
.body h2 {
  font-size: clamp(22px, 2.6vw, 30px); font-weight: 600; letter-spacing: -0.4px;
  margin: 52px 0 16px; line-height: 1.3;
}
.body h3 { font-size: 18px; font-weight: 600; margin: 32px 0 10px; }
.body p { font-size: 16px; color: var(--text-secondary); margin-bottom: 18px; }
.body p strong, .body li strong { color: var(--text-primary); font-weight: 600; }
.body ul, .body ol { margin: 0 0 20px 0; padding-left: 0; list-style: none; }
.body li {
  font-size: 16px; color: var(--text-secondary); line-height: 1.65;
  padding-left: 24px; position: relative; margin-bottom: 12px;
}
.body li::before {
  content: ''; position: absolute; left: 2px; top: 10px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}
.body a:not(.btn) { color: var(--sky); border-bottom: 1px solid rgba(96,165,250,0.3); }
.body a:not(.btn):hover { border-bottom-color: var(--sky); }

/* Aside / guardrail note */
.note {
  margin: 28px 0; padding: 18px 22px;
  border: 1px solid var(--border-subtle); border-radius: 10px;
  background: var(--bg-card); font-size: 14px; color: var(--text-tertiary); line-height: 1.6;
}
.note strong { color: var(--text-secondary); }

/* ===== COMPARISON TABLE / MATRIX ===== */
.table-scroll { overflow-x: auto; margin: 28px 0; border-radius: 12px; border: 1px solid var(--border-subtle); }
table.matrix { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }
table.matrix th, table.matrix td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--border-subtle); }
table.matrix thead th {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.5px;
  text-transform: uppercase; color: var(--text-tertiary); background: var(--bg-tertiary);
  position: sticky; top: 0;
}
table.matrix tbody tr:hover { background: var(--bg-tertiary); }
table.matrix td:first-child, table.matrix th:first-child { color: var(--text-primary); font-weight: 500; }
table.matrix td.c { text-align: center; }
.mk-yes { color: var(--green); font-weight: 700; }
.mk-part { color: var(--amber); font-weight: 700; }
.mk-no { color: var(--text-tertiary); }
.col-testify { background: rgba(59,130,246,0.06); }

/* ===== FAQ ===== */
.faq { margin: 28px 0; }
.faq-item { border-bottom: 1px solid var(--border-subtle); padding: 22px 0; }
.faq-item h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; color: var(--text-primary); }
.faq-item p { font-size: 15px; color: var(--text-secondary); margin-bottom: 0; line-height: 1.7; }

/* ===== RELATED LINKS ===== */
.related { margin: 56px 0 0; }
.related h2 { font-size: 18px; font-weight: 600; margin-bottom: 18px; }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.related-card {
  display: block; padding: 20px 22px; border: 1px solid var(--border-subtle);
  border-radius: 10px; background: var(--bg-card); transition: border-color 0.25s, transform 0.25s;
}
.related-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.related-card .rc-k { font-family: var(--font-mono); font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.related-card .rc-t { font-size: 15px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.related-card .rc-d { font-size: 13px; color: var(--text-tertiary); line-height: 1.5; }

/* ===== CTA BAND ===== */
.cta-band {
  margin: 72px 0 0; padding: 64px 32px; text-align: center;
  border-top: 1px solid var(--border-subtle); position: relative; overflow: hidden;
}
.cta-band::before {
  content: ''; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%); width: 700px; height: 300px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  filter: blur(60px); pointer-events: none;
}
.cta-band-inner { position: relative; z-index: 1; }
.cta-band h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 300; letter-spacing: -0.6px; margin-bottom: 14px; }
.cta-band h2 strong { font-weight: 600; }
.cta-band p { font-size: 15px; color: var(--text-secondary); max-width: 46ch; margin: 0 auto 28px; }
.cta-band .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== FOOTER ===== */
.site-foot { border-top: 1px solid var(--border-subtle); padding: 40px 32px; }
.site-foot .foot-inner { max-width: var(--maxw); margin: 0 auto; }
.site-foot .canon {
  font-size: 13px; color: var(--text-tertiary); line-height: 1.7;
  max-width: 70ch; margin-bottom: 24px;
}
.site-foot .foot-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.site-foot .foot-left { font-size: 13px; color: var(--text-tertiary); }
.site-foot .foot-links { display: flex; gap: 22px; flex-wrap: wrap; }
.site-foot .foot-links a { font-size: 13px; color: var(--text-tertiary); transition: color 0.2s; }
.site-foot .foot-links a:hover { color: var(--text-secondary); }

/* ===== RESPONSIVE ===== */
@media (max-width: 760px) {
  .site-nav { padding: 14px 20px; }
  .site-nav .nav-links { gap: 16px; }
  .site-nav .nav-links a.hide-sm { display: none; }
  .wrap, .prose-wrap { padding: 0 22px; }
  .related-grid { grid-template-columns: 1fr; }
  h1.title { font-size: 30px; }
  .lead { font-size: 17px; }
}