/* ============================================================
   OGCS — Purple Team Cyber Resilience — Master Stylesheet
   Token system:
   Base:    #0A0C16 (void)   #12142A (panel)
   Ink:     #ECEEF7 (primary text)  #9295B3 (muted)
   Red:     #E5484D  Blue: #4C8DFF  Purple: #8B5CF6 (fusion accent)
   Display: Space Grotesk / Body: Inter / Utility: JetBrains Mono
   ============================================================ */

:root {
  --void: #0A0C16;
  --panel: #12142A;
  --panel-raised: #171A35;
  --line: #2A2D4D;
  --ink: #ECEEF7;
  --ink-muted: #9295B3;
  --ink-faint: #62688C;
  --red: #E5484D;
  --blue: #4C8DFF;
  --purple: #8B5CF6;
  --purple-bright: #A78BFA;
  --purple-dim: #5B3FA0;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 10px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--void);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, legend {
  font-family: var(--font-display);
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0; }
a { color: var(--purple-bright); }
ul { margin: 0; padding: 0; list-style: none; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--purple);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 999;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--purple-bright);
  outline-offset: 3px;
}

/* ---------- Signature Convergence Backdrop ---------- */
.convergence {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  opacity: 0.55;
}
.beam {
  position: absolute;
  top: -10%;
  width: 42vw;
  height: 130vh;
  filter: blur(60px);
  opacity: 0.35;
  border-radius: 50%;
}
.beam-red {
  left: -10%;
  background: radial-gradient(closest-side, var(--red), transparent 70%);
  animation: drift-red 18s ease-in-out infinite alternate;
}
.beam-blue {
  right: -10%;
  background: radial-gradient(closest-side, var(--blue), transparent 70%);
  animation: drift-blue 18s ease-in-out infinite alternate;
}
.merge-point {
  position: absolute;
  top: 18%;
  left: 50%;
  width: 30vw;
  height: 30vw;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, var(--purple), transparent 72%);
  opacity: 0.28;
  filter: blur(50px);
  animation: pulse-purple 6s ease-in-out infinite;
}
@keyframes drift-red { from { transform: translateX(0) translateY(0); } to { transform: translateX(6vw) translateY(4vh); } }
@keyframes drift-blue { from { transform: translateX(0) translateY(0); } to { transform: translateX(-6vw) translateY(-4vh); } }
@keyframes pulse-purple { 0%, 100% { opacity: 0.22; } 50% { opacity: 0.36; } }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 12, 22, 0.78);
  backdrop-filter: blur(10px);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.1;
}
.brand-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--ink);
  letter-spacing: 0.04em;
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--purple-bright);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.92rem;
}
.header-nav a {
  color: var(--ink-muted);
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.header-nav a:hover { color: var(--ink); }
.header-nav a.active { color: var(--ink); border-bottom-color: var(--purple); }
.header-nav .btn { padding: 0.55rem 1.15rem; font-size: 0.86rem; }

.nav-toggle {
  display: none;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0.55rem;
  right: 0.55rem;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle span { top: 50%; transform: translateY(-50%); }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--purple); color: #fff; }
.btn-primary:hover { background: var(--purple-bright); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink-muted); }
.btn-ghost:hover { border-color: var(--ink-faint); color: var(--ink); }

/* ---------- Layout Elements ---------- */
main { position: relative; z-index: 1; }
section { padding: 5rem 1.5rem; max-width: 1200px; margin: 0 auto; }
.section-narrow { max-width: 800px; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--purple-bright);
  margin: 0 0 1rem;
  text-transform: uppercase;
}

/* Hero */
.hero { text-align: center; padding-top: 5.5rem; padding-bottom: 3rem; }
.hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); line-height: 1.1; max-width: 900px; margin: 0 auto 1.25rem; }
.hero h1 .accent { color: var(--purple-bright); }
.hero-lede { color: var(--ink-muted); font-size: 1.08rem; max-width: 620px; margin: 0 auto 2.25rem; }
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  margin-top: 3.5rem;
  flex-wrap: wrap;
}
.hero-stats [role="listitem"] { display: flex; flex-direction: column; align-items: center; gap: 0.3rem; }
.stat-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.1rem;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel);
}
.stat-num.purple {
  color: #fff;
  background: linear-gradient(135deg, var(--red), var(--blue));
  border: none;
  box-shadow: 0 0 24px rgba(139, 92, 246, 0.45);
}
.stat-label { font-family: var(--font-mono); font-size: 0.68rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.04em; }
.stat-plus { font-family: var(--font-display); font-size: 1.5rem; color: var(--ink-faint); transform: translateY(-0.9rem); }

/* Philosophy */
.philosophy {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2.5rem;
}
.philosophy-col { text-align: center; }
.philosophy-label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 0.75rem; }
.philosophy-q { font-family: var(--font-display); font-size: 1.4rem; }
.philosophy-col.traditional .philosophy-q { color: var(--ink-muted); }
.philosophy-col.ogcs .philosophy-q { color: var(--ink); }
.philosophy-divider { font-family: var(--font-mono); color: var(--purple-bright); font-size: 0.85rem; }

/* Flagship */
.flagship { text-align: center; }
.flagship h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 1rem; }
.flagship-lede { color: var(--ink-muted); max-width: 640px; margin: 0 auto 2rem; }
.not-list { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; margin-bottom: 1.5rem; }
.not-list li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  border: 1px dashed var(--line);
  border-radius: 999px;
  padding: 0.45rem 1rem;
}
.not-list li.is { border-style: solid; border-color: var(--purple); color: var(--purple-bright); }

/* Section Headers */
.section-head { text-align: center; margin-bottom: 3rem; }
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); margin-bottom: 0.75rem; }
.section-head p { color: var(--ink-muted); max-width: 560px; margin: 0 auto; }

/* Divisions Grid */
.division-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }
.division-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.division-card:hover { border-color: var(--purple-dim); transform: translateY(-2px); }
.division-index { font-family: var(--font-mono); font-size: 0.72rem; color: var(--purple-bright); margin-bottom: 0.75rem; }
.division-card h3 { font-size: 1.1rem; margin-bottom: 0.6rem; }
.division-card p { color: var(--ink-muted); font-size: 0.88rem; margin-bottom: 1rem; }
.division-card ul { display: flex; flex-direction: column; gap: 0.35rem; }
.division-card li { font-size: 0.82rem; color: var(--ink-faint); padding-left: 1rem; position: relative; }
.division-card li::before { content: '—'; position: absolute; left: 0; color: var(--purple-dim); }

/* Framework */
.framework-word { display: flex; justify-content: center; gap: 0.4rem; margin-bottom: 3rem; flex-wrap: wrap; }
.framework-letter {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink-muted);
}
.framework-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.framework-item { border-left: 2px solid var(--purple-dim); padding: 0.25rem 0 0.25rem 1rem; }
.framework-item .fw-letter { font-family: var(--font-mono); color: var(--purple-bright); font-size: 0.8rem; }
.framework-item h4 { font-size: 1rem; margin: 0.3rem 0 0.4rem; }
.framework-item ul { color: var(--ink-faint); font-size: 0.82rem; display: flex; flex-direction: column; gap: 0.2rem; }

/* Deliverables Grid */
.deliverable-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0.9rem; }
.deliverable-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  font-size: 0.88rem;
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.deliverable-item::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--red), var(--blue));
  flex-shrink: 0;
}

/* Subscriptions Tier Grid */
.tier-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.tier-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
}
.tier-card.is-featured {
  border-color: var(--purple);
  background: linear-gradient(180deg, rgba(139,92,246,0.08), var(--panel) 40%);
  position: relative;
}
.tier-featured-badge {
  position: absolute;
  top: -0.75rem;
  left: 2rem;
  background: var(--purple);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  letter-spacing: 0.05em;
}
.tier-name { font-family: var(--font-mono); font-size: 0.75rem; color: var(--purple-bright); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.5rem; }
.tier-card h3 { font-size: 1.4rem; margin-bottom: 1.25rem; }
.tier-card ul { display: flex; flex-direction: column; gap: 0.55rem; margin-bottom: 1.5rem; flex: 1; }
.tier-card li { font-size: 0.88rem; color: var(--ink-muted); padding-left: 1.1rem; position: relative; }
.tier-card li::before { content: '✓'; position: absolute; left: 0; color: var(--purple-bright); font-size: 0.8rem; }

/* Final CTA */
.final-cta { text-align: center; background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 4rem 2rem; }
.final-cta h2 { font-size: clamp(1.8rem, 3.2vw, 2.4rem); margin-bottom: 1rem; }
.final-cta p { color: var(--ink-muted); max-width: 520px; margin: 0 auto 2rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 2.5rem 1.5rem; }
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-inner p { color: var(--ink-faint); font-size: 0.8rem; }
.footer-links { display: flex; gap: 1.5rem; font-size: 0.82rem; flex-wrap: wrap; }
.footer-links a { color: var(--ink-muted); text-decoration: none; }
.footer-links a:hover { color: var(--ink); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .header-nav {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    background: var(--void);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    gap: 1.1rem;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  }
  .header-nav.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-toggle { display: block; }
  .philosophy { grid-template-columns: 1fr; text-align: center; }
  .philosophy-divider { transform: rotate(90deg); }
  section { padding: 3.5rem 1.25rem; }
}