/* ═══════════════════════════════════════════════════════════════════
   VIRGOVIXEN LAST WAR COLLEGE — MASTER STYLESHEET
   Crimson Plague Field Guide · V9.5 · Server-neutral
   ═══════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&family=Exo+2:wght@300;400;600;700&family=Share+Tech+Mono&family=Noto+Sans+KR:wght@400;500;700;900&display=swap');

/* ─── DESIGN TOKENS ─── */
:root {
  --vv-black: #0A0C10;
  --vv-deep: #12151c;
  --vv-panel: #161a23;
  --vv-line: #1f2530;
  --vv-cyan: #29B6F6;
  --vv-neon: #00E5FF;
  --vv-gold: #EF9F27;
  --vv-white: #F0F4F8;
  --vv-mute: #8a96a8;
  --vv-red: #E53935;

  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Exo 2', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  --font-kr: 'Noto Sans KR', sans-serif;

  --max-width: 1100px;
  --radius: 4px;
  --gap: 1.25rem;
}

/* ─── RESET + BASE ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--vv-black);
  color: var(--vv-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  min-height: 100vh;
  background-image:
    radial-gradient(circle at 15% 10%, rgba(41,182,246,0.06) 0%, transparent 45%),
    radial-gradient(circle at 85% 90%, rgba(0,229,255,0.04) 0%, transparent 50%);
  background-attachment: fixed;
}

html[lang="ko"] body { font-family: var(--font-kr); }

img { max-width: 100%; height: auto; display: block; }
a { color: var(--vv-cyan); text-decoration: none; transition: color 0.2s; }
a:hover, a:focus { color: var(--vv-neon); }
a:focus-visible { outline: 2px solid var(--vv-cyan); outline-offset: 3px; border-radius: 2px; }

/* ─── SKIP LINK (a11y) ─── */
.skip-link {
  position: absolute; top: -100px; left: 0;
  background: var(--vv-cyan); color: var(--vv-black);
  padding: 0.5rem 1rem; z-index: 9999;
  font-family: var(--font-display); font-weight: 700;
}
.skip-link:focus { top: 0; }

/* ─── SITE HEADER + NAV ─── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,12,16,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--vv-line);
}

.site-nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
}

.site-brand {
  display: flex; align-items: center; gap: 0.65rem;
  font-family: var(--font-display); font-weight: 900;
  font-size: 0.95rem; letter-spacing: 0.1em;
  color: var(--vv-white); text-transform: uppercase;
}
.site-brand .vv-mark {
  width: 32px; height: 32px;
  background: radial-gradient(circle, var(--vv-cyan) 35%, transparent 36%);
  border: 2px solid var(--vv-cyan); border-radius: 50%;
  position: relative; flex-shrink: 0;
}
.site-brand .vv-mark::before {
  content: ''; position: absolute;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 2px; height: 10px; background: var(--vv-black);
}
.site-brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.site-brand-text small {
  font-family: var(--font-mono); font-weight: 400;
  font-size: 0.6rem; color: var(--vv-cyan); letter-spacing: 0.15em;
}

.nav-links { display: flex; gap: 1.25rem; list-style: none; align-items: center; }
.nav-links a {
  font-family: var(--font-display); font-weight: 600;
  font-size: 0.78rem; letter-spacing: 0.1em;
  color: var(--vv-mute); text-transform: uppercase;
}
.nav-links a:hover, .nav-links a.active { color: var(--vv-cyan); }

.lang-toggle {
  display: flex; gap: 0.25rem;
  background: var(--vv-deep); padding: 0.2rem;
  border: 1px solid var(--vv-line); border-radius: var(--radius);
}
.lang-toggle button {
  background: none; border: none; cursor: pointer;
  padding: 0.35rem 0.65rem;
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--vv-mute); border-radius: 3px;
  transition: all 0.2s;
}
.lang-toggle button:hover { color: var(--vv-cyan); }
.lang-toggle button[aria-pressed="true"] {
  background: var(--vv-cyan); color: var(--vv-black);
  font-weight: 700;
}

/* Mobile menu toggle */
.mobile-menu-btn {
  display: none; background: none; border: 1px solid var(--vv-line);
  color: var(--vv-cyan); padding: 0.4rem 0.7rem; cursor: pointer;
  border-radius: var(--radius); font-family: var(--font-mono);
}

@media (max-width: 768px) {
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0; padding: 0.5rem 0;
    background: var(--vv-deep); border-bottom: 1px solid var(--vv-line);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 0.75rem 1.25rem; width: 100%; }
  .mobile-menu-btn { display: block; }
  .site-brand-text small { display: none; }
}

/* ─── MAIN CONTAINER ─── */
main { max-width: var(--max-width); margin: 0 auto; padding: 2rem 1.25rem 4rem; }

/* ─── LESSON HEADER ─── */
.lesson-eyebrow {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--vv-cyan); letter-spacing: 0.18em;
  margin-bottom: 0.75rem;
}
.lesson-title {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(1.85rem, 5vw, 3.25rem);
  line-height: 1.05; letter-spacing: 0.01em;
  color: var(--vv-white); margin-bottom: 0.85rem;
}
html[lang="ko"] .lesson-title { letter-spacing: -0.01em; }
.lesson-subtitle {
  font-family: var(--font-body); font-weight: 400;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  color: var(--vv-mute); max-width: 720px; margin-bottom: 1rem;
}
.lesson-meta {
  font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--vv-cyan); letter-spacing: 0.12em;
  padding-bottom: 1.5rem; border-bottom: 1px solid var(--vv-line);
  margin-bottom: 2rem;
}

/* ─── CARD GRAPHIC SLOT ─── */
.lesson-card {
  margin: 2rem 0 2.5rem;
  position: relative;
  border: 1px solid var(--vv-line); border-radius: var(--radius);
  overflow: hidden; background: var(--vv-deep);
}
.lesson-card img { width: 100%; height: auto; display: block; }
.lesson-card-placeholder {
  padding: 3rem 1.5rem; text-align: center;
  font-family: var(--font-mono); font-size: 0.85rem;
  color: var(--vv-mute); letter-spacing: 0.1em;
  background: linear-gradient(135deg, var(--vv-deep) 0%, var(--vv-panel) 100%);
  border: 1px dashed var(--vv-line); border-radius: var(--radius);
}

/* When Spanish is active, hide card images entirely */
html[lang="es"] .lesson-card img { display: none; }
html[lang="es"] .lesson-card { padding: 2rem; }
html[lang="es"] .lesson-card::after {
  content: 'Gráfico en español próximamente';
  display: block; text-align: center;
  font-family: var(--font-mono); font-size: 0.85rem;
  color: var(--vv-mute); letter-spacing: 0.1em;
  padding: 1rem;
}

/* ─── LESSON BODY ─── */
.lesson-body { max-width: 760px; }
.lesson-body p {
  margin-bottom: 1.15rem;
  color: var(--vv-white);
}
.lesson-body h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.25rem, 3vw, 1.55rem);
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--vv-white);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--vv-line);
}
.lesson-body h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.1rem; letter-spacing: 0.05em;
  color: var(--vv-cyan);
  margin: 1.75rem 0 0.65rem;
}
.lesson-body strong, .lesson-body b {
  color: var(--vv-cyan); font-weight: 700;
}
.lesson-body ul, .lesson-body ol {
  margin: 0 0 1.25rem 1.5rem; color: var(--vv-white);
}
.lesson-body li { margin-bottom: 0.4rem; }
.lesson-body blockquote {
  margin: 1.5rem 0; padding: 1rem 1.25rem;
  border-left: 3px solid var(--vv-cyan);
  background: rgba(41,182,246,0.06);
  color: var(--vv-white); font-style: italic;
}

/* ─── VIXEN INTEL BLOCK ─── */
.vixen-intel {
  margin: 2.5rem 0;
  padding: 1.5rem 1.5rem 1.25rem;
  background: linear-gradient(135deg, rgba(239,159,39,0.08) 0%, rgba(239,159,39,0.02) 100%);
  border: 1px solid var(--vv-gold); border-radius: var(--radius);
  position: relative;
}
.vixen-intel::before {
  content: '// VIXEN INTEL';
  position: absolute; top: -10px; left: 1rem;
  background: var(--vv-black); padding: 0 0.65rem;
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--vv-gold); letter-spacing: 0.15em;
}
.vixen-intel-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.1rem; color: var(--vv-gold);
  text-transform: uppercase; letter-spacing: 0.05em;
  margin-bottom: 0.85rem;
}
.vixen-intel p { color: var(--vv-white); margin-bottom: 0.85rem; }
.vixen-intel strong { color: var(--vv-gold); }
.vixen-intel-lock {
  margin-top: 1rem; padding-top: 0.85rem;
  border-top: 1px dashed rgba(239,159,39,0.3);
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--vv-gold); letter-spacing: 0.12em;
}

/* ─── CALLOUT BOX (highlighted statements) ─── */
.callout {
  margin: 1.75rem 0;
  padding: 1.15rem 1.4rem;
  background: rgba(41,182,246,0.04);
  border-left: 3px solid var(--vv-cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-display); font-weight: 600;
  font-size: 1rem; letter-spacing: 0.02em;
  color: var(--vv-white); text-transform: uppercase;
}

/* ─── EMPOWERMENT LINE ─── */
.empowerment {
  margin: 2.5rem 0;
  padding: 1.5rem;
  background: var(--vv-deep);
  border: 1px solid var(--vv-cyan); border-radius: var(--radius);
  position: relative;
  font-style: italic; font-size: 1.05rem;
  color: var(--vv-white); line-height: 1.6;
}
.empowerment::before {
  content: '"'; position: absolute;
  top: -10px; left: 1rem;
  font-family: var(--font-display); font-size: 3rem;
  color: var(--vv-cyan); line-height: 1;
}

/* ─── HANDOFF BLOCK (Discord + site link) ─── */
.handoff {
  margin: 2.5rem 0 1.5rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--vv-deep) 0%, var(--vv-panel) 100%);
  border: 1px solid var(--vv-line); border-radius: var(--radius);
}
.handoff h3 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1rem; letter-spacing: 0.08em;
  color: var(--vv-cyan); text-transform: uppercase;
  margin-bottom: 1rem;
}
.handoff-link {
  display: flex; align-items: flex-start; gap: 0.75rem;
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
}
.handoff-link:last-child { margin-bottom: 0; }
.handoff-link .icon { flex-shrink: 0; font-size: 1.1rem; }
.handoff-link a { word-break: break-all; }

/* ─── SIGNATURE ─── */
.signature {
  margin: 2.5rem 0 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--vv-line);
  font-family: var(--font-mono); font-size: 0.85rem;
  color: var(--vv-mute); letter-spacing: 0.08em;
}
.signature strong { color: var(--vv-cyan); font-weight: 400; }

/* ─── LESSON NAV (prev/next/index) ─── */
.lesson-nav {
  margin-top: 3rem; padding-top: 1.5rem;
  border-top: 1px solid var(--vv-line);
  display: grid; grid-template-columns: 1fr auto 1fr;
  gap: 1rem; align-items: center;
}
.lesson-nav-link {
  padding: 0.85rem 1rem;
  background: var(--vv-deep);
  border: 1px solid var(--vv-line); border-radius: var(--radius);
  font-family: var(--font-mono); font-size: 0.8rem;
  letter-spacing: 0.08em; color: var(--vv-cyan);
  transition: all 0.2s;
}
.lesson-nav-link:hover {
  border-color: var(--vv-cyan);
  background: rgba(41,182,246,0.08);
}
.lesson-nav-link.prev { text-align: left; }
.lesson-nav-link.next { text-align: right; }
.lesson-nav-link small {
  display: block; font-size: 0.65rem; color: var(--vv-mute);
  margin-bottom: 0.15rem;
}
.lesson-nav-index {
  font-family: var(--font-display); font-weight: 700;
  color: var(--vv-cyan); padding: 0.85rem 1rem;
  font-size: 0.85rem; letter-spacing: 0.08em;
}

@media (max-width: 600px) {
  .lesson-nav { grid-template-columns: 1fr; gap: 0.5rem; }
  .lesson-nav-link.prev, .lesson-nav-link.next { text-align: center; }
}

/* ─── GO DEEPER LINK BLOCK ─── */
.go-deeper {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  background: var(--vv-deep);
  border-left: 3px solid var(--vv-gold);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.go-deeper h3 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 0.9rem; letter-spacing: 0.1em;
  color: var(--vv-gold); text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.go-deeper ul { list-style: none; margin: 0; padding: 0; }
.go-deeper li { margin-bottom: 0.45rem; padding-left: 1.25rem; position: relative; }
.go-deeper li::before {
  content: '→'; position: absolute; left: 0;
  color: var(--vv-gold);
}

/* ─── DOCTRINE INDEX PAGE ─── */
.doctrine-hero {
  text-align: center;
  padding: 3rem 1.25rem 2.5rem;
  border-bottom: 1px solid var(--vv-line);
  margin-bottom: 3rem;
}
.doctrine-hero h1 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(2.25rem, 6vw, 4rem);
  line-height: 1.05; color: var(--vv-white);
  margin-bottom: 1rem;
}
.doctrine-hero p.lede {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  color: var(--vv-mute); max-width: 720px;
  margin: 0 auto 1.5rem;
}
.doctrine-hero .meta-strip {
  display: inline-flex; gap: 1.5rem; flex-wrap: wrap; justify-content: center;
  font-family: var(--font-mono); font-size: 0.8rem;
  color: var(--vv-cyan); letter-spacing: 0.12em;
}
.doctrine-hero .meta-strip span { display: inline-flex; align-items: center; gap: 0.4rem; }

.phase-section {
  margin-bottom: 3rem;
}
.phase-header {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1rem; letter-spacing: 0.18em;
  color: var(--vv-gold); text-transform: uppercase;
  margin-bottom: 1.25rem;
  display: flex; align-items: center; gap: 0.75rem;
}
.phase-header::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(to right, var(--vv-gold) 0%, transparent 100%);
}

.lesson-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.lesson-card-link {
  display: block; padding: 1.25rem;
  background: var(--vv-deep);
  border: 1px solid var(--vv-line); border-radius: var(--radius);
  transition: all 0.25s; color: var(--vv-white);
  position: relative;
}
.lesson-card-link:hover {
  border-color: var(--vv-cyan);
  background: linear-gradient(135deg, var(--vv-deep) 0%, rgba(41,182,246,0.06) 100%);
  transform: translateY(-2px);
  color: var(--vv-white);
}
.lesson-card-link .lesson-num {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--vv-cyan); letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}
.lesson-card-link h3 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.1rem; letter-spacing: 0.02em;
  color: var(--vv-white); margin-bottom: 0.5rem; line-height: 1.25;
}
.lesson-card-link p {
  color: var(--vv-mute); font-size: 0.9rem;
  margin: 0; line-height: 1.45;
}
.lesson-card-link .intel-tag {
  display: inline-block; margin-top: 0.65rem;
  padding: 0.15rem 0.5rem; font-family: var(--font-mono);
  font-size: 0.65rem; letter-spacing: 0.12em;
  background: rgba(239,159,39,0.12); color: var(--vv-gold);
  border: 1px solid rgba(239,159,39,0.3); border-radius: 2px;
}

/* ─── FOOTER ─── */
.site-footer {
  margin-top: 4rem;
  padding: 2rem 1.25rem;
  border-top: 1px solid var(--vv-line);
  background: var(--vv-deep);
  text-align: center;
}
.site-footer .footer-content {
  max-width: var(--max-width); margin: 0 auto;
}
.site-footer .signature-block {
  font-family: var(--font-mono); font-size: 0.8rem;
  color: var(--vv-mute); letter-spacing: 0.1em;
}
.site-footer .signature-block strong {
  color: var(--vv-cyan); font-weight: 400;
}
.site-footer .footer-tagline {
  font-family: var(--font-display); font-weight: 600;
  font-size: 0.9rem; letter-spacing: 0.12em;
  color: var(--vv-white); text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.site-footer .footer-links {
  margin: 1rem 0;
  display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap;
}
.site-footer .footer-links a {
  font-family: var(--font-mono); font-size: 0.75rem;
  letter-spacing: 0.1em; color: var(--vv-mute);
}
.site-footer .footer-links a:hover { color: var(--vv-cyan); }

/* ─── LANGUAGE VISIBILITY ─── */
.lang-en, .lang-ko, .lang-es { display: none; }
html[lang="en"] .lang-en { display: block; }
html[lang="ko"] .lang-ko { display: block; }
html[lang="es"] .lang-es { display: block; }

/* Inline language elements */
.lang-en-inline, .lang-ko-inline, .lang-es-inline { display: none; }
html[lang="en"] .lang-en-inline { display: inline; }
html[lang="ko"] .lang-ko-inline { display: inline; }
html[lang="es"] .lang-es-inline { display: inline; }

/* ─── REDUCED MOTION ─── */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ─── HIGH CONTRAST FOCUS ─── */
button:focus-visible, a:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--vv-cyan); outline-offset: 3px;
}