/* ============================================================
   Katafract LLC — katafract.com
   Shared stylesheet for prose pages (privacy, support, about)
   Design system: dark #050510, cyan #00F0FF, magenta #FF006E
   Fonts: Cormorant Garamond · DM Sans · JetBrains Mono
   ============================================================ */

/* Fonts loaded via /fonts.css (self-hosted woff2) */

:root {
  --bg:       #050510;
  --bg2:      #0a0a14;
  --bg3:      #0e0e1c;
  --border:   rgba(100,100,120,0.1);
  --border2:  rgba(100,100,120,0.06);
  --cyan:     #00F0FF;
  --magenta:  #FF006E;
  --text:     #EBF0F7;
  --dim:      #8C94A6;
  --dim2:     #4a5060;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ── Typography helpers ────────────────────────────────────── */
.fd { font-family: 'Cormorant Garamond', Georgia, serif; }
.fm { font-family: 'JetBrains Mono', monospace; }

/* ── Nav ───────────────────────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* Constrain content to ~1080px centered — matches footer and feels intentional on wide screens */
  padding: 0 max(2rem, calc((100% - 1080px) / 2));
  height: 60px;
  background: rgba(5,5,15,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,240,255,0.06);
  overflow: visible; /* shield mark intentionally hangs below nav edge */
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text);
}

.nav-brand .nav-mark {
  /* Taller than nav — pointed bottom hangs below the bar */
  height: 2.75rem;
  width: auto;
  aspect-ratio: 100 / 118;
  flex-shrink: 0;
  display: block;
}

.nav-brand-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}

.nav-brand:hover { text-decoration: none; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--dim);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  text-decoration: none;
}

/* ── Prose page layout ─────────────────────────────────────── */
.prose-page {
  flex: 1;
  max-width: 820px;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
  width: 100%;
}

.prose-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.prose-header h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.prose-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--cyan);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.prose-meta {
  color: var(--dim);
  font-size: 0.875rem;
}

/* ── Prose body ────────────────────────────────────────────── */
.prose-body h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  margin: 2.5rem 0 0.75rem;
  padding-top: 0.5rem;
}

.prose-body h2::before {
  content: '—';
  color: var(--cyan);
  margin-right: 0.6rem;
  font-size: 1rem;
  vertical-align: middle;
  opacity: 0.7;
}

.prose-body p {
  margin-bottom: 1rem;
  color: var(--dim);
  line-height: 1.8;
}

.prose-body p.light { color: rgba(235,240,247,0.85); }

.prose-body ul {
  margin: 0.75rem 0 1.25rem 1.5rem;
  color: var(--dim);
}

.prose-body ul li { margin-bottom: 0.5rem; line-height: 1.7; }

.prose-body a { color: var(--cyan); }
.prose-body a:hover { text-decoration: underline; }
.prose-body strong { color: var(--text); font-weight: 600; }

/* ── Highlight callout ─────────────────────────────────────── */
.callout {
  background: rgba(0,240,255,0.04);
  border-left: 2px solid var(--cyan);
  border-radius: 0 0.75rem 0.75rem 0;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}

.callout p {
  color: rgba(235,240,247,0.9);
  margin-bottom: 0;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ── Data table ────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0 2rem;
  font-size: 0.9rem;
}

.data-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(100,100,120,0.2);
  color: var(--text);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: 'JetBrains Mono', monospace;
}

.data-table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--dim);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }

.badge-never {
  display: inline-block;
  background: rgba(0,240,255,0.06);
  color: #33E8A0;
  border: 1px solid rgba(51,232,160,0.2);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.75rem;
  border-radius: 999px;
  letter-spacing: 0.03em;
}

/* ── Support accordion ─────────────────────────────────────── */
.faq-section { margin-top: 0.5rem; }

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-q {
  width: 100%;
  background: none;
  border: none;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  padding: 1.25rem 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color 0.15s;
}

.faq-q:hover { color: var(--cyan); }

.faq-q::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--dim2);
  flex-shrink: 0;
  transition: transform 0.25s, color 0.15s;
}

.faq-item.open .faq-q { color: var(--cyan); }
.faq-item.open .faq-q::after { transform: rotate(45deg); color: var(--cyan); }

.faq-a {
  display: none;
  padding: 0 0 1.25rem;
  color: var(--dim);
  font-size: 0.925rem;
  line-height: 1.75;
}

.faq-a a { color: var(--cyan); }
.faq-item.open .faq-a { display: block; }

/* ── Contact card ──────────────────────────────────────────── */
.contact-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  margin-top: 1.5rem;
}

.contact-card h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.contact-card p {
  color: var(--dim);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.contact-card p:last-child { margin-bottom: 0; }
.contact-card a { color: var(--cyan); }

/* ── About page ────────────────────────────────────────────── */
.fact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin: 1.75rem 0;
}

.fact-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 0.875rem;
  padding: 1.25rem;
  transition: border-color 0.2s;
}

.fact-card:hover { border-color: rgba(0,240,255,0.15); }

.fact-label {
  font-family: 'JetBrains Mono', monospace;
  color: var(--dim2);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.fact-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.color-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 1.25rem 0;
}

.color-block {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.color-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}

.color-info .cn { font-size: 0.875rem; font-weight: 600; }
.color-info .ch { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--dim); }

.apps-list-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.app-chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--dim);
  transition: border-color 0.15s, color 0.15s;
}

.app-chip:hover { border-color: rgba(0,240,255,0.3); color: var(--cyan); text-decoration: none; }

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
  margin-top: auto;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}

.footer-brand {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
}

.footer-brand .nav-mark { height: 1.5rem; width: auto; aspect-ratio: 100/118; display: block; }

.footer-nav {
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-nav a {
  color: var(--dim);
  font-size: 0.85rem;
  transition: color 0.15s;
}

.footer-nav a:hover { color: var(--text); text-decoration: none; }

.footer-motto {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--dim2);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.footer-copy {
  color: var(--dim2);
  font-size: 0.8rem;
}

/* ── Desktop ────────────────────────────────────────────────── */
@media (min-width: 768px) {
  body { font-size: 18px; }

  /* Nav height scales up on desktop — mark hangs more deliberately */
  .site-nav { height: 68px; }
  .nav-brand .nav-mark { height: 3.2rem; }
  .nav-brand-name { font-size: 1.25rem; }
  .nav-links { gap: 2.25rem; }
  .nav-links a { font-size: 0.875rem; }

  .prose-page {
    padding: 5.5rem 3rem 7.5rem;
  }

  .prose-header {
    margin-bottom: 3.5rem;
    padding-bottom: 2.5rem;
  }

  .prose-header h1 { font-size: 3.2rem; }
  .prose-body h2   { font-size: 1.55rem; margin: 3rem 0 1rem; }
  .prose-body p    { font-size: 1rem; line-height: 1.85; }
  .prose-body ul li { font-size: 1rem; line-height: 1.8; }
  .callout p       { font-size: 1.05rem; }
}

@media (min-width: 1100px) {
  .site-nav { height: 72px; }
  .nav-brand .nav-mark { height: 3.5rem; }
  .nav-brand-name { font-size: 1.3rem; }

  .prose-page { padding: 7rem 4rem 9rem; }

  .prose-header h1 { font-size: 4rem; }
  .prose-body h2   { font-size: 1.7rem; }
}

/* ── Mobile overrides ───────────────────────────────────────── */
@media (max-width: 640px) {
  .site-nav { padding: 0 1.25rem; height: 54px; }
  .nav-brand .nav-mark { height: 2.4rem; }
  .nav-brand-name { font-size: 1.1rem; }
  .nav-links { gap: 1.1rem; }
  .nav-links a { font-size: 0.8rem; }
  .prose-page { padding: 2.5rem 1.25rem 4.5rem; }
  .prose-header { margin-bottom: 2rem; padding-bottom: 1.5rem; }
  .prose-header h1 { font-size: 1.9rem; }
  .prose-body h2 { font-size: 1.2rem; margin-top: 2rem; }
}

@media (max-width: 480px) {
  .site-nav { padding: 0 1rem; }
  .nav-links .hide-sm { display: none; }
  .nav-links { gap: 1rem; }
  .nav-brand-name { font-size: 1.05rem; }
}

/* ── Accessibility ──────────────────────────────────────────── */
/* Visible focus rings for keyboard navigation */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 3px;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Improve tap target size on touch */
@media (hover: none) and (pointer: coarse) {
  .nav-links a { padding: 0.5rem 0; }
  .faq-q { min-height: 48px; }
}