/* =========================================================
   NCSV — Numquam Confide, Semper Verifica
   Design language: a field-briefing / case-file dossier,
   built from the weathered flag-stamp mark of More Than
   Conquers Media. Parchment paper, navy ink, worn flag red.
   ========================================================= */

:root {
  /* ---- Color tokens (drawn from the logo mark) ---- */
  --navy-deep:   #101a2b;
  --navy:        #1b2a41;
  --navy-soft:   #2c3f5c;
  --flag-red:    #8b3a3a;
  --flag-red-hi: #a8453d;
  --parchment:   #ede6d6;
  --parchment-2: #e2d9c4;
  --parchment-3: #d8cbac;
  --ink:         #221f1a;
  --steel:       #4a5a70;
  --olive:       #545f45;
  --cream-star:  #f7f2e6;

  /* ---- Type ---- */
  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* ---- Layout ---- */
  --max-w: 72rem;
  --edge: 1.25rem;
  --rule: 2px;
}

@media (min-width: 720px) {
  :root { --edge: 3rem; }
}

/* ---------------------------------------------------------
   Reset
   --------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--parchment);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
ul, ol { padding: 0; margin: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
button { font-family: inherit; }

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

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

/* ---------------------------------------------------------
   Paper texture — a faint grain so parchment areas don't
   read as flat digital color. Used as background-image.
   --------------------------------------------------------- */
.grain {
  position: relative;
}
.grain::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------------------------------------------------------
   Container
   --------------------------------------------------------- */
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--edge);
  padding-right: var(--edge);
}

/* ---------------------------------------------------------
   Type scale
   --------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--flag-red);
}
.eyebrow.on-dark { color: #d8a9a3; }

h1.display, .h-display {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 9vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  color: var(--navy);
}
h2.section-title, .h-section {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  line-height: 1.08;
  text-transform: uppercase;
  letter-spacing: 0.005em;
}
h3.card-title, .h-card {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.lede {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--navy-soft);
  max-width: 38em;
}
.on-dark .lede { color: #c9d2df; }

/* ---------------------------------------------------------
   Site header / nav
   --------------------------------------------------------- */
.site-header {
  background: var(--navy-deep);
  border-bottom: var(--rule) solid var(--flag-red);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--cream-star);
}
.brand img {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 50%;
  border: 1px solid rgba(237,230,214,0.35);
}
.brand-text {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 1.05rem;
  line-height: 1;
}
.brand-text small {
  display: block;
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.03em;
  font-size: 0.58rem;
  color: #9fb0c4;
  text-transform: none;
  margin-top: 0.3rem;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid rgba(237,230,214,0.35);
  color: var(--cream-star);
  padding: 0.5rem 0.75rem;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}
.nav-toggle .bars { display: flex; flex-direction: column; gap: 3px; }
.nav-toggle .bars span { width: 16px; height: 2px; background: var(--cream-star); display: block; }

.site-nav {
  display: none;
  position: absolute;
  top: 4.25rem;
  left: 0;
  right: 0;
  background: var(--navy-deep);
  border-bottom: var(--rule) solid var(--flag-red);
}
.site-nav.open { display: block; }
.site-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
}
.site-nav a {
  display: block;
  padding: 1rem var(--edge);
  text-decoration: none;
  color: var(--cream-star);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-top: 1px solid rgba(237,230,214,0.12);
}
.site-nav a[aria-current="page"] { color: var(--flag-red-hi); }
.site-nav a:hover { background: rgba(237,230,214,0.06); }

@media (min-width: 860px) {
  .nav-toggle { display: none; }
  .site-nav {
    display: block;
    position: static;
    background: none;
    border-bottom: none;
  }
  .site-nav ul { flex-direction: row; gap: 0.25rem; }
  .site-nav a {
    padding: 0.5rem 0.9rem;
    border-top: none;
    border: 1px solid transparent;
    border-radius: 2px 2px 0 0;
  }
  .site-nav a[aria-current="page"] {
    background: var(--parchment);
    color: var(--navy);
    border-color: var(--flag-red);
    border-bottom-color: var(--parchment);
    margin-bottom: -1px;
  }
}

/* ---------------------------------------------------------
   Hero
   --------------------------------------------------------- */
.hero {
  background: var(--parchment);
  padding: 3.2rem 0 3rem;
  border-bottom: var(--rule) solid var(--navy);
}
.hero-grid {
  display: grid;
  gap: 2.4rem;
  align-items: center;
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.15fr 0.85fr; }
}
.hero-copy .eyebrow { margin-bottom: 0.9rem; display: block; }
.hero-copy h1 { margin-bottom: 1rem; }
.latin-line {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--flag-red);
  letter-spacing: 0.02em;
  margin-bottom: 1.4rem;
}
.latin-line span {
  display: block;
  font-family: var(--font-body);
  font-style: italic;
  color: var(--steel);
  font-size: 0.95rem;
  margin-top: 0.15rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.6rem;
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.4rem;
  border: 1.5px solid var(--navy);
  border-radius: 2px;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary { background: var(--navy); color: var(--cream-star); }
.btn-primary:hover { background: var(--navy-deep); }
.btn-ghost { background: transparent; color: var(--navy); }
.btn-ghost:hover { background: var(--navy); color: var(--cream-star); }
.on-dark .btn-ghost { color: var(--cream-star); border-color: rgba(237,230,214,0.5); }
.on-dark .btn-ghost:hover { background: var(--cream-star); color: var(--navy); }

/* ---- Stamp badge (echoes the logo's circular flag mark) ---- */
.stamp-wrap { display: flex; justify-content: center; }
.stamp {
  width: 13rem;
  height: 13rem;
  border-radius: 50%;
  border: 3px solid var(--flag-red);
  outline: 1px solid var(--flag-red);
  outline-offset: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-6deg);
  color: var(--flag-red);
  text-align: center;
  font-family: var(--font-display);
  position: relative;
}
.stamp::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 50%;
  opacity: 0.5;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.stamp-inner { line-height: 1.15; }
.stamp-inner .big { display: block; font-size: 1.5rem; font-weight: 700; letter-spacing: 0.04em; }
.stamp-inner .small { display: block; font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.16em; margin-top: 0.35rem; }

/* ---------------------------------------------------------
   Section rule / label (document-section marker)
   --------------------------------------------------------- */
.section {
  padding: 3.4rem 0;
  border-bottom: 1px solid var(--parchment-3);
}
.section.on-dark {
  background: var(--navy);
  color: var(--cream-star);
  border-bottom-color: var(--navy-deep);
}
.section-head {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 2rem;
  max-width: 42em;
}
.section-head .file-no {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--flag-red);
}
.on-dark .section-head .file-no { color: #d8a9a3; }
.section-head p { color: var(--steel); }
.on-dark .section-head p { color: #c9d2df; }

/* ---------------------------------------------------------
   Stat blocks (threat-landscape numbers)
   --------------------------------------------------------- */
.stat-grid {
  display: grid;
  gap: 1px;
  background: var(--navy-soft);
  border: 1px solid var(--navy-soft);
}
@media (min-width: 640px) {
  .stat-grid { grid-template-columns: repeat(3, 1fr); }
}
.stat {
  background: var(--navy);
  padding: 1.75rem 1.5rem;
}
.stat .num {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--cream-star);
  line-height: 1;
}
.stat .label {
  margin-top: 0.6rem;
  font-size: 0.92rem;
  color: #c9d2df;
}
.stat .src {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #8ea0b7;
  letter-spacing: 0.03em;
}

/* ---------------------------------------------------------
   Articles (numbered — principles are a true sequence)
   --------------------------------------------------------- */
.article-list { display: grid; gap: 1px; background: var(--parchment-3); border: 1px solid var(--parchment-3); }
.article {
  background: var(--parchment);
  padding: 1.9rem var(--edge);
  display: grid;
  gap: 0.4rem 1.4rem;
}
@media (min-width: 720px) {
  .article { grid-template-columns: 5rem 1fr; padding: 2.1rem 2rem; }
}
.article .num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--flag-red);
  line-height: 1;
}
.article h3 { margin-bottom: 0.5rem; color: var(--navy); }
.article .practice {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--parchment-3);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--olive);
  line-height: 1.55;
}
.article .practice b { color: var(--navy); font-weight: 600; }

/* ---------------------------------------------------------
   Pillars grid (unordered set — not numbered)
   --------------------------------------------------------- */
.pillar-grid {
  display: grid;
  gap: 1.1rem;
}
@media (min-width: 640px) {
  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .pillar-grid { grid-template-columns: repeat(3, 1fr); }
}
.pillar {
  border: 1px solid var(--navy);
  padding: 1.6rem 1.4rem;
  background: var(--parchment);
}
.pillar .tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--flag-red);
  display: block;
  margin-bottom: 0.6rem;
}
.pillar h3 { color: var(--navy); margin-bottom: 0.55rem; }
.pillar p { color: var(--steel); font-size: 0.98rem; }

.crosscut-list { margin-top: 1.4rem; display: grid; gap: 0.9rem; }
@media (min-width: 640px) { .crosscut-list { grid-template-columns: repeat(3, 1fr); } }
.crosscut {
  border-left: 3px solid var(--flag-red);
  padding: 0.2rem 0 0.2rem 1rem;
}
.crosscut h4 { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--navy); margin-bottom: 0.3rem; }
.crosscut p { font-size: 0.9rem; color: var(--steel); }

/* ---------------------------------------------------------
   Maturity timeline (true sequence)
   --------------------------------------------------------- */
.timeline {
  display: grid;
  gap: 1px;
  background: var(--navy);
  border: 1px solid var(--navy);
  margin-top: 1rem;
}
@media (min-width: 780px) {
  .timeline { grid-template-columns: repeat(4, 1fr); }
}
.stage {
  background: var(--parchment);
  padding: 1.5rem 1.3rem;
  position: relative;
}
.stage .stage-no {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--flag-red);
  letter-spacing: 0.08em;
}
.stage h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.1rem;
  color: var(--navy);
  margin: 0.35rem 0 0.5rem;
}
.stage p { font-size: 0.88rem; color: var(--steel); }

/* ---------------------------------------------------------
   Two-up teaser cards on the homepage
   --------------------------------------------------------- */
.teaser-grid {
  display: grid;
  gap: 1.1rem;
}
@media (min-width: 720px) { .teaser-grid { grid-template-columns: repeat(3, 1fr); } }
.teaser {
  border: 1px solid var(--parchment-3);
  background: var(--cream-star);
  padding: 1.6rem 1.4rem;
  text-decoration: none;
  display: block;
  color: inherit;
  transition: border-color 0.15s ease;
}
.teaser:hover { border-color: var(--flag-red); }
.teaser .num { font-family: var(--font-display); color: var(--flag-red); font-size: 1.4rem; }
.teaser h3 { color: var(--navy); margin: 0.4rem 0 0.5rem; }
.teaser p { color: var(--steel); font-size: 0.95rem; }
.teaser .go {
  display: inline-block;
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  border-bottom: 1px solid var(--flag-red);
  padding-bottom: 2px;
}

/* ---------------------------------------------------------
   Glossary
   --------------------------------------------------------- */
.glossary { border-top: 1px solid var(--parchment-3); }
.gloss-item {
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--parchment-3);
  display: grid;
  gap: 0.3rem;
}
@media (min-width: 720px) {
  .gloss-item { grid-template-columns: 13rem 1fr; gap: 1.5rem; }
}
.gloss-item dt {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1rem;
  color: var(--navy);
  letter-spacing: 0.01em;
}
.gloss-item dd { margin: 0; color: var(--ink); }

/* ---------------------------------------------------------
   FAQ accordion
   --------------------------------------------------------- */
.faq-item {
  border-bottom: 1px solid var(--parchment-3);
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.15rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.05rem;
  color: var(--navy);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .mark {
  font-family: var(--font-mono);
  color: var(--flag-red);
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}
.faq-item[open] summary .mark { transform: rotate(45deg); }
.faq-item .faq-body {
  padding-bottom: 1.25rem;
  color: var(--steel);
  max-width: 46em;
}

/* ---------------------------------------------------------
   Reading list / references
   --------------------------------------------------------- */
.ref-list { display: grid; gap: 1px; background: var(--parchment-3); border: 1px solid var(--parchment-3); }
.ref-item {
  background: var(--parchment);
  padding: 1.1rem 1.3rem;
  display: block;
  text-decoration: none;
  color: inherit;
}
.ref-item:hover .ref-title { border-color: var(--flag-red); }
.ref-item .ref-src { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--flag-red); }
.ref-item .ref-title { color: var(--navy); font-weight: 600; margin-top: 0.3rem; border-bottom: 1px solid transparent; display: inline-block; }
.ref-item p { color: var(--steel); font-size: 0.92rem; margin-top: 0.35rem; }

/* ---------------------------------------------------------
   CTA band
   --------------------------------------------------------- */
.cta-band {
  background: var(--flag-red);
  color: var(--cream-star);
  padding: 2.6rem 0;
  text-align: center;
}
.cta-band h2 { color: var(--cream-star); margin-bottom: 0.75rem; }
.cta-band p { color: #f1ddd9; max-width: 34em; margin: 0 auto 1.5rem; }
.cta-band .btn-primary { background: var(--navy-deep); border-color: var(--navy-deep); }
.cta-band .btn-primary:hover { background: var(--navy); }

/* ---------------------------------------------------------
   Footer
   --------------------------------------------------------- */
.site-footer {
  background: var(--navy-deep);
  color: #c9d2df;
  padding: 2.8rem 0 1.6rem;
}
.footer-grid {
  display: grid;
  gap: 2rem;
}
@media (min-width: 720px) {
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
}
.footer-brand { display: flex; gap: 0.75rem; align-items: flex-start; }
.footer-brand img { width: 2.6rem; height: 2.6rem; border-radius: 50%; border: 1px solid rgba(237,230,214,0.3); flex-shrink: 0; }
.footer-brand .name { font-family: var(--font-display); text-transform: uppercase; color: var(--cream-star); font-size: 1rem; letter-spacing: 0.04em; }
.footer-brand .tag { font-family: var(--font-mono); font-size: 0.72rem; color: #8ea0b7; margin-top: 0.4rem; line-height: 1.6; }
.footer-head { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--flag-red-hi); margin-bottom: 0.8rem; display: block; }
.footer-links { list-style: none; display: grid; gap: 0.55rem; }
.footer-links a { text-decoration: none; color: #c9d2df; font-size: 0.92rem; }
.footer-links a:hover { color: var(--cream-star); }
.footer-bottom {
  margin-top: 2.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(237,230,214,0.15);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #8ea0b7;
}

/* ---------------------------------------------------------
   Utility
   --------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--flag-red);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 100;
  text-decoration: none;
}
.skip-link:focus { left: var(--edge); top: 0.5rem; }
.center { text-align: center; }