:root {
  color-scheme: dark;
  --night: #061321;
  --night-soft: #0b1d2d;
  --panel: #102537;
  --paper: #f3eee5;
  --mist: #a9bbc8;
  --line: rgba(222, 228, 226, 0.2);
  --gold: #d5ac58;
  --coral: #d96a62;
  --jade: #75af91;
  --pink: #e1a4bd;
  --blue: #7197c1;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 5%, rgba(62, 104, 139, 0.24), transparent 28rem),
    radial-gradient(circle at 12% 42%, rgba(151, 68, 73, 0.12), transparent 30rem),
    var(--night);
  color: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.7;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
button { font: inherit; }
.skip-link {
  position: fixed;
  left: 16px;
  top: -100px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--paper);
  color: var(--night);
}
.skip-link:focus { top: 16px; }
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(6, 19, 33, 0.92);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header__inner {
  align-items: center;
  display: flex;
  gap: 30px;
  justify-content: space-between;
  margin: auto;
  max-width: var(--max);
  min-height: 72px;
  padding: 10px 24px;
}
.brand {
  align-items: center;
  display: inline-flex;
  gap: 11px;
  text-decoration: none;
}
.brand__mark {
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold);
  display: grid;
  font: 700 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  height: 38px;
  place-items: center;
  width: 38px;
}
.brand strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 19px;
  letter-spacing: 0.01em;
}
.brand small {
  color: var(--mist);
  display: block;
  font: 600 9px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.site-nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.site-nav a {
  color: var(--mist);
  font: 600 11px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}
.site-nav a:hover, .site-nav a:focus-visible, .site-nav a[aria-current="page"] { color: var(--paper); }
.hero {
  margin: auto;
  max-width: var(--max);
  padding: clamp(72px, 11vw, 150px) 24px clamp(62px, 9vw, 110px);
}
.eyebrow, .section-kicker, .breadcrumb, .meta-row {
  color: var(--gold);
  font: 600 10px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.breadcrumb { margin-bottom: 30px; }
.breadcrumb a { color: var(--mist); text-decoration: none; }
.hero h1 {
  font: 500 clamp(52px, 9vw, 112px)/0.94 Georgia, "Times New Roman", serif;
  letter-spacing: -0.055em;
  margin: 18px 0 28px;
  max-width: 1020px;
}
.hero h1 em { color: var(--coral); font-weight: 400; }
.hero__lede {
  color: #c9d4db;
  font-size: clamp(18px, 2.2vw, 25px);
  line-height: 1.55;
  max-width: 760px;
}
.hero__actions, .button-row {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.button, button.button {
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--paper);
  border-radius: 2px;
  color: var(--night);
  cursor: pointer;
  display: inline-flex;
  font: 700 11px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
  justify-content: center;
  letter-spacing: 0.08em;
  min-height: 46px;
  padding: 13px 17px;
  text-decoration: none;
  text-transform: uppercase;
}
.button:hover, .button:focus-visible { background: var(--gold); border-color: var(--gold); }
.button--secondary, button.button--secondary {
  background: transparent;
  border-color: var(--line);
  color: var(--paper);
}
.button--secondary:hover, .button--secondary:focus-visible { background: rgba(255,255,255,.08); border-color: var(--paper); }
.content-shell {
  display: grid;
  gap: clamp(42px, 7vw, 90px);
  grid-template-columns: minmax(0, 1fr) minmax(230px, 330px);
  margin: auto;
  max-width: var(--max);
  padding: 0 24px 100px;
}
.article { max-width: 780px; }
.article > section { border-top: 1px solid var(--line); padding: 52px 0; }
.article h2 {
  font: 500 clamp(34px, 5vw, 56px)/1.05 Georgia, "Times New Roman", serif;
  letter-spacing: -0.035em;
  margin: 12px 0 25px;
}
.article h3 {
  color: var(--paper);
  font: 500 26px/1.25 Georgia, "Times New Roman", serif;
  margin: 35px 0 8px;
}
.article p, .article li { color: #bdcad2; }
.article strong { color: var(--paper); }
.article a:not(.button) { color: #edd29a; text-underline-offset: 3px; }
.article ul, .article ol { padding-left: 1.25em; }
.article li + li { margin-top: 10px; }
.callout {
  background: linear-gradient(135deg, rgba(117,175,145,.13), rgba(113,151,193,.09));
  border: 1px solid rgba(117,175,145,.35);
  margin: 35px 0;
  padding: 24px;
}
.callout p { margin: 0; }
.side-rail { align-self: start; position: sticky; top: 104px; }
.side-card {
  background: rgba(16, 37, 55, 0.76);
  border: 1px solid var(--line);
  padding: 25px;
}
.side-card + .side-card { margin-top: 18px; }
.side-card h2, .side-card h3 {
  font: 500 24px/1.15 Georgia, "Times New Roman", serif;
  margin: 5px 0 12px;
}
.side-card p { color: var(--mist); font-size: 14px; margin: 0 0 18px; }
.side-card a:not(.button) { color: var(--paper); display: block; font-size: 14px; padding: 6px 0; }
.topic-grid, .path-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 30px 0;
}
.topic-card {
  background: rgba(16, 37, 55, 0.58);
  border: 1px solid var(--line);
  padding: 24px;
}
.topic-card h3 { font-size: 23px; margin-top: 0; }
.topic-card p { font-size: 15px; margin-bottom: 0; }
.glossary {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
}
.term {
  background: rgba(16, 37, 55, 0.66);
  outline: 1px solid var(--line);
  padding: 24px;
}
.term dt { color: var(--gold); font: 600 13px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .06em; text-transform: uppercase; }
.term dd { color: #bdcad2; font-size: 15px; margin: 10px 0 0; }
.game-stage {
  background: rgba(8, 26, 42, .86);
  border: 1px solid var(--line);
  margin: 0 auto 70px;
  max-width: var(--max);
  padding: clamp(20px, 5vw, 60px);
}
.game-layout {
  align-items: start;
  display: grid;
  gap: clamp(28px, 5vw, 70px);
  grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr);
}
.master-frame {
  background: #020b14;
  box-shadow: 0 24px 80px rgba(0,0,0,.4);
  padding: 10px;
}
.master-frame img { height: auto; width: 100%; }
.game-panel h2 {
  font: 500 clamp(34px, 5vw, 58px)/1 Georgia, "Times New Roman", serif;
  letter-spacing: -.04em;
  margin: 12px 0 18px;
}
.game-panel > p { color: var(--mist); }
.fate-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 28px 0;
}
.fate-choice {
  background: rgba(255,255,255,.025);
  border: 1px solid var(--fate-color, var(--line));
  color: var(--paper);
  cursor: pointer;
  min-height: 98px;
  padding: 14px 10px;
  text-align: left;
}
.fate-choice:hover, .fate-choice:focus-visible, .fate-choice[aria-pressed="true"] {
  background: color-mix(in srgb, var(--fate-color, var(--gold)) 18%, transparent);
  outline: 1px solid var(--fate-color, var(--gold));
}
.fate-choice__number { color: var(--fate-color, var(--gold)); display: block; font: 700 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.fate-choice__name { display: block; font: 500 16px/1.15 Georgia, "Times New Roman", serif; margin-top: 10px; }
.fate-result {
  border-left: 3px solid var(--result-color, var(--gold));
  min-height: 205px;
  padding: 20px 24px;
}
.fate-result[hidden] { display: none; }
.fate-result__index { color: var(--result-color, var(--gold)); font: 700 11px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; text-transform: uppercase; }
.fate-result h3 { font: 500 clamp(30px, 4vw, 46px)/1 Georgia, "Times New Roman", serif; margin: 10px 0 3px; }
.fate-result__cn { color: var(--result-color, var(--gold)); font-family: Georgia, "Times New Roman", serif; font-size: 23px; margin: 0 0 13px; }
.fate-result__description { color: #c6d1d7; margin: 0; }
.share-status { color: var(--jade); font-size: 14px; min-height: 24px; }
.privacy-note { color: #8297a5; font-size: 12px; }
.continuity-card {
  border-top: 1px solid var(--line);
  margin-top: 34px;
  padding-top: 28px;
}
.continuity-card h3 { font: 500 25px/1.2 Georgia, "Times New Roman", serif; margin: 0 0 8px; }
.continuity-card p { color: var(--mist); font-size: 14px; margin: 0 0 18px; }
.site-footer {
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-size: 13px;
  margin-top: 40px;
}
.site-footer__inner {
  display: grid;
  gap: 28px;
  grid-template-columns: 1.5fr 1fr 1fr;
  margin: auto;
  max-width: var(--max);
  padding: 55px 24px 70px;
}
.site-footer h2 { color: var(--paper); font: 500 24px Georgia, "Times New Roman", serif; margin: 0 0 10px; }
.site-footer p { margin: 0; max-width: 440px; }
.site-footer a { display: block; padding: 3px 0; }
.meta-row { border-top: 1px solid var(--line); margin-top: 35px; padding-top: 18px; }

@media (max-width: 850px) {
  .site-header__inner { align-items: flex-start; flex-direction: column; gap: 12px; padding-bottom: 16px; }
  .site-header { position: static; }
  .content-shell, .game-layout { grid-template-columns: 1fr; }
  .side-rail { position: static; }
  .game-layout .master-frame { margin: auto; max-width: 520px; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .hero { padding-top: 54px; }
  .hero h1 { font-size: clamp(46px, 16vw, 72px); }
  .topic-grid, .path-grid, .glossary { grid-template-columns: 1fr; }
  .fate-grid { gap: 7px; }
  .fate-choice { min-height: 88px; padding: 11px 8px; }
  .fate-choice__name { font-size: 13px; }
  .button-row .button { flex: 1 1 100%; }
  .site-footer__inner { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}