/* Nova Kinetic Companion — Marketing Site
   Reuses the exact design tokens approved for the app (Technical Spec §10)
   so the marketing site and app read as one brand, not two. */

:root {
  --nkc-bg: #161B22;
  --nkc-surface: #22293380;
  --nkc-surface-solid: #222933;
  --nkc-text: #E8E6E1;
  --nkc-text-muted: #9AA1AC;
  --nkc-spark: #FF6B35;
  --nkc-progress: #7FA37F;
  --nkc-streak: #E8B84B;
  --nkc-border: #2E3742;
  --nkc-font-display: 'Cabinet Grotesk', 'General Sans', system-ui, sans-serif;
  --nkc-font-body: 'Inter', system-ui, sans-serif;
  --nkc-radius: 14px;
  --nkc-space-1: 4px;
  --nkc-space-2: 8px;
  --nkc-space-3: 16px;
  --nkc-space-4: 24px;
  --nkc-space-5: 40px;
  --nkc-space-6: 64px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--nkc-bg);
  color: var(--nkc-text);
  font-family: var(--nkc-font-body);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--nkc-font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
}

a { color: var(--nkc-spark); }

.site-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--nkc-space-4);
}

.site-header {
  border-bottom: 1px solid var(--nkc-border);
  padding: var(--nkc-space-3) 0;
}

.site-header .site-header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--nkc-space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--nkc-space-2) 0;
  justify-content: space-between;
  align-items: center;
}

.site-logo {
  font-family: var(--nkc-font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--nkc-text);
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--nkc-space-1) 0;
}

.site-nav a {
  color: var(--nkc-text-muted);
  text-decoration: none;
  margin-left: var(--nkc-space-4);
  font-size: 0.9rem;
}

.site-nav a:hover { color: var(--nkc-text); }

.site-nav a.nav-cta {
  background: var(--nkc-spark);
  color: #161B22;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600;
  margin-left: var(--nkc-space-4);
}

.site-nav a.nav-cta:hover {
  color: #161B22;
  opacity: 0.9;
}

.hero {
  text-align: center;
  padding: var(--nkc-space-6) 0 var(--nkc-space-5);
}

.hero h1 {
  font-size: 2.4rem;
  max-width: 640px;
  margin: 0 auto var(--nkc-space-3);
}

.hero p.slogan {
  color: var(--nkc-text-muted);
  font-size: 1.1rem;
  margin-bottom: var(--nkc-space-4);
}

.btn-primary {
  display: inline-block;
  background: var(--nkc-spark);
  color: #161B22;
  border: none;
  border-radius: 10px;
  padding: 14px 28px;
  font-family: var(--nkc-font-body);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--nkc-text);
  border: 1px solid var(--nkc-border);
  border-radius: 10px;
  padding: 13px 27px;
  font-size: 1rem;
  text-decoration: none;
}

section {
  padding: var(--nkc-space-5) 0;
  border-bottom: 1px solid var(--nkc-border);
}

section:last-of-type { border-bottom: none; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--nkc-space-4);
  margin-top: var(--nkc-space-4);
}

@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: var(--nkc-surface);
  border: 1px solid var(--nkc-border);
  border-radius: var(--nkc-radius);
  padding: var(--nkc-space-4);
}

.feature-card h3 { margin-top: 0; font-size: 1.05rem; }
.feature-card p { color: var(--nkc-text-muted); font-size: 0.9rem; margin-bottom: 0; }

.plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--nkc-space-3);
  margin: var(--nkc-space-4) 0;
}

.plan-card {
  background: var(--nkc-surface);
  border: 1px solid var(--nkc-border);
  border-radius: var(--nkc-radius);
  padding: var(--nkc-space-4);
  text-align: center;
}

.plan-card h3 { margin-top: 0; }
.plan-card .plan-price { font-size: 0.85rem; color: var(--nkc-text-muted); margin-bottom: var(--nkc-space-3); }

.legal-page h1 { font-size: 1.6rem; }
.legal-page h2 { font-size: 1.15rem; margin-top: var(--nkc-space-4); }
.legal-page p, .legal-page li { color: var(--nkc-text-muted); font-size: 0.92rem; }
.legal-page .placeholder { color: var(--nkc-streak); font-weight: 600; }

.draft-banner {
  background: #3A2A1A;
  border: 1px solid var(--nkc-streak);
  color: var(--nkc-streak);
  border-radius: 10px;
  padding: var(--nkc-space-3);
  font-size: 0.85rem;
  margin-bottom: var(--nkc-space-4);
}

.kb-index-list { list-style: none; padding: 0; }
.kb-index-item {
  border-bottom: 1px solid var(--nkc-border);
  padding: var(--nkc-space-3) 0;
}
.kb-index-item h3 { margin: 0 0 var(--nkc-space-1); font-size: 1rem; }
.kb-index-item p { color: var(--nkc-text-muted); font-size: 0.88rem; margin: 0; }

.site-footer {
  text-align: center;
  padding: var(--nkc-space-5) 0;
  color: var(--nkc-text-muted);
  font-size: 0.8rem;
}

.site-footer a { color: var(--nkc-text-muted); margin: 0 var(--nkc-space-2); }