/* Our Fortress Is Burning — Site styles */

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ink-1);
  color: var(--bone-0);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

html { scroll-behavior: smooth; }

img, svg { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--ash-1);
  transition: border-color 180ms ease, color 180ms ease;
}
a:hover, a:focus-visible {
  color: var(--bone-1);
  border-bottom-color: var(--bone-1);
}
a:focus-visible {
  outline: 2px solid var(--bone-1);
  outline-offset: 3px;
}

::selection { background: var(--bone-1); color: var(--ink-0); }

/* ---------- Layout ---------- */
.container {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--gap-3);
}
.wide {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--gap-3);
}

main { padding-block: var(--gap-5) var(--gap-6); }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--bone-1);
  line-height: 1.2;
}
h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
  margin: 0 0 var(--gap-3);
}
h2 {
  font-size: clamp(1.5rem, 2vw + 1rem, 2.25rem);
  margin: var(--gap-5) 0 var(--gap-2);
}
h3 {
  font-size: 1.25rem;
  margin: var(--gap-4) 0 var(--gap-1);
}
p { margin: 0 0 var(--gap-2); }
p + p { margin-top: var(--gap-2); }
strong { color: var(--bone-1); font-weight: 600; }
em { color: var(--bone-0); }

.lead {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1vw + 1rem, 1.45rem);
  color: var(--bone-0);
  line-height: 1.55;
  margin: 0 0 var(--gap-4);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ash-1);
  margin: 0 0 var(--gap-1);
}

blockquote {
  margin: var(--gap-3) 0;
  padding: var(--gap-2) var(--gap-3);
  border-left: 2px solid var(--ash-1);
  font-family: var(--serif);
  font-style: italic;
  color: var(--bone-0);
}
blockquote cite {
  display: block;
  margin-top: var(--gap-1);
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.8rem;
  color: var(--ash-1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

ul, ol { padding-left: 1.3rem; }
li { margin-bottom: 0.4rem; }

hr {
  border: 0;
  border-top: 1px solid var(--ink-2);
  margin: var(--gap-5) 0;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--ink-2);
  z-index: 40;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--gap-2) var(--gap-3);
  max-width: 1100px;
  margin: 0 auto;
  gap: var(--gap-3);
  flex-wrap: wrap;
}
.brand {
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 0;
  color: var(--bone-0);
}
.brand:hover { color: var(--bone-1); }
.nav-links {
  display: flex;
  gap: var(--gap-3);
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border-bottom: 0;
  color: var(--ash-0);
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--bone-1); }

.lang-switch {
  display: inline-flex;
  gap: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}
.lang-switch button {
  background: transparent;
  color: var(--ash-1);
  border: 1px solid var(--ink-2);
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
  text-transform: uppercase;
}
.lang-switch button + button { border-left: 0; }
.lang-switch button[aria-pressed="true"] {
  color: var(--bone-1);
  border-color: var(--ash-0);
}
.lang-switch button:focus-visible {
  outline: 2px solid var(--bone-1);
  outline-offset: 2px;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--ink-2);
  padding: var(--gap-4) var(--gap-3);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ash-1);
  text-align: center;
  letter-spacing: 0.08em;
}
.site-footer p { margin: 0.25rem 0; }
.site-footer a { color: var(--ash-0); border-bottom-color: var(--ink-2); }
.site-footer a:hover { color: var(--bone-1); border-bottom-color: var(--bone-1); }

/* ---------- Grain overlay ---------- */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  mix-blend-mode: overlay;
  opacity: var(--grain-opacity);
}
.grain svg { width: 100%; height: 100%; }

/* Per-page grain intensity per the guide arc:
   I=light, II=heaviest, III & sentez=settled */
.intensity-light  { --grain-opacity: 0.05; }
.intensity-heavy  { --grain-opacity: 0.14; }
.intensity-ash    { --grain-opacity: 0.04; }

/* ---------- Hero ---------- */
.hero {
  border-bottom: 1px solid var(--ink-2);
  padding: var(--gap-6) var(--gap-3) var(--gap-5);
  text-align: center;
}
.hero .eyebrow { justify-content: center; }
.hero h1 { margin-bottom: var(--gap-3); }
.hero p.lead { max-width: 60ch; margin-inline: auto; }

/* ---------- Image bands (fortress placeholder) ---------- */
.fortress-band {
  position: relative;
  width: 100%;
  aspect-ratio: 21 / 9;
  background: var(--ink-0);
  margin: var(--gap-4) 0;
  overflow: hidden;
  border-block: 1px solid var(--ink-2);
}
.fortress-band::after {
  content: attr(data-pending);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--ash-1);
  text-transform: uppercase;
}
.fortress-band.has-image::after { content: none; }
.fortress-band img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  filter: grayscale(100%) contrast(1.05);
}

/* ---------- Term tooltip ---------- */
.term {
  border-bottom: 1px dashed var(--ash-0);
  cursor: help;
  color: var(--bone-0);
  background: transparent;
  border-left: 0;
  border-right: 0;
  border-top: 0;
  font: inherit;
  padding: 0;
}
.term:focus-visible {
  outline: 2px solid var(--bone-1);
  outline-offset: 2px;
}
.tooltip {
  position: absolute;
  max-width: 320px;
  background: var(--ink-2);
  color: var(--bone-0);
  border: 1px solid var(--ash-1);
  padding: var(--gap-2);
  font-size: 0.9rem;
  line-height: 1.5;
  z-index: 60;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
  font-family: var(--sans);
}
.tooltip[hidden] { display: none; }
.tooltip .tooltip-term {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ash-0);
  margin-bottom: var(--gap-1);
}

/* ---------- Cards / Track list ---------- */
.tracklist {
  list-style: none;
  padding: 0;
  margin: var(--gap-3) 0;
  border-top: 1px solid var(--ink-2);
}
.tracklist li {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  gap: var(--gap-2);
  padding: var(--gap-2) 0;
  border-bottom: 1px solid var(--ink-2);
  align-items: baseline;
  font-family: var(--mono);
  font-size: 0.88rem;
}
.tracklist .num { color: var(--ash-1); }
.tracklist .name { color: var(--bone-0); font-family: var(--serif); font-size: 1.05rem; }
.tracklist .dur { color: var(--ash-1); }
.tracklist .highlight .name { color: var(--bone-1); }
.tracklist .highlight { background: linear-gradient(90deg, rgba(168,168,168,0.05), transparent); }

/* ---------- Two-column tension page ---------- */
.duo {
  display: grid;
  gap: var(--gap-4);
  margin-top: var(--gap-4);
}
@media (min-width: 760px) {
  .duo { grid-template-columns: 1fr 1px 1fr; }
  .duo .divider {
    background: var(--ink-2);
    height: 100%;
  }
}
.duo .col h2 { margin-top: 0; }

/* ---------- Music facade ---------- */
.music-facade {
  border: 1px solid var(--ink-2);
  background: var(--ink-2);
  padding: var(--gap-3);
  margin: var(--gap-4) 0;
}
.music-facade .row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-2);
  justify-content: space-between;
  align-items: baseline;
}
.music-facade .title {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--bone-0);
}
.music-facade .meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ash-1);
  letter-spacing: 0.1em;
}
.music-facade .warn {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ash-1);
  margin: var(--gap-1) 0 var(--gap-2);
  letter-spacing: 0.08em;
}
.music-facade button.load {
  background: transparent;
  color: var(--bone-0);
  border: 1px solid var(--ash-0);
  padding: 0.6rem 1rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}
.music-facade button.load:hover,
.music-facade button.load:focus-visible {
  background: var(--bone-1);
  color: var(--ink-0);
  outline: none;
}
.music-facade .ext-link {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ash-0);
  margin-left: var(--gap-2);
}
.music-facade .embed-slot { margin-top: var(--gap-2); }
.music-facade .embed-slot iframe {
  width: 100%;
  border: 0;
  background: var(--ink-1);
}

/* ---------- Article body niceties ---------- */
article.page header { margin-bottom: var(--gap-4); }
article.page .footnote {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ash-1);
  margin-top: var(--gap-2);
}

/* ---------- Index / nav cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--gap-3);
  margin: var(--gap-4) 0;
}
.card {
  display: block;
  padding: var(--gap-3);
  border: 1px solid var(--ink-2);
  background: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-2);
  transition: border-color 200ms ease, transform 200ms ease;
}
.card:hover, .card:focus-visible {
  border-color: var(--ash-0);
  color: var(--bone-1);
  transform: translateY(-2px);
}
.card .eyebrow { margin-bottom: var(--gap-1); }
.card h3 { margin: 0 0 var(--gap-1); font-size: 1.1rem; }
.card p { font-size: 0.95rem; color: var(--bone-0); margin: 0; }

/* ---------- Language sections ---------- */
[data-lang][hidden] { display: none !important; }

/* ---------- 404 ---------- */
.error-page {
  min-height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
}
.error-page h1 { font-size: clamp(2.5rem, 6vw, 5rem); }

/* ---------- Fortress hero (full-bleed image at page bottom) ----------
   NOTE: Magic MCP unavailable, hand-written to token spec (guide §1.5).
   Image is blurred by default; a centered button toggles a focused state
   that removes the filter. The block sits outside <main> so it spans the
   full viewport width without breaking the narrow reading column. */
.fortress-hero {
  position: relative;
  width: 100%;
  background: var(--ink-0);
  border-block: 1px solid var(--ink-2);
  margin-top: var(--gap-5);
  overflow: hidden;
}
.fortress-hero__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 100vh;
  object-fit: contain;
  filter: blur(16px) brightness(0.7) saturate(0.6);
  transition: filter 700ms ease;
  will-change: filter;
}
@media (prefers-reduced-motion: reduce) {
  .fortress-hero__img { transition: none; }
}
.fortress-hero.is-focused .fortress-hero__img {
  filter: none;
}

.fortress-hero__btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  background: rgba(13, 13, 13, 0.78);
  color: var(--bone-0);
  border: 1px solid var(--ash-0);
  padding: 0.85rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: background 200ms ease, color 200ms ease,
              border-color 200ms ease, opacity 300ms ease;
}
.fortress-hero__btn:hover,
.fortress-hero__btn:focus-visible {
  background: var(--bone-1);
  color: var(--ink-0);
  border-color: var(--bone-1);
  outline: none;
}
.fortress-hero.is-focused .fortress-hero__btn {
  opacity: 0.35;
}
.fortress-hero.is-focused .fortress-hero__btn:hover,
.fortress-hero.is-focused .fortress-hero__btn:focus-visible {
  opacity: 1;
}