/* 2048 Surge — Ember reading surfaces.
 *
 * Guides are field manuals, not a reverse-chronological content feed. The
 * reading column stays quiet; tile values handle wayfinding and the char play
 * plate is the one high-contrast interruption in the article.
 */

html { scroll-behavior: smooth; }
body { margin: 0; }

.skip-link {
  position: fixed;
  inset: .75rem auto auto .75rem;
  z-index: 100;
  padding: .75rem 1.1rem;
  color: var(--ground);
  background: var(--ink);
  border: 2px solid var(--ink);
  border-radius: var(--r-pill);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-220%);
}
.skip-link:focus { transform: translateY(0); }

.article-shell { min-block-size: 100vh; }
.article-shell main { min-block-size: calc(100vh - 12rem); }
.article-shell [aria-current="page"] { font-weight: 600; text-decoration: underline; text-decoration-thickness: 2px; }
.article-shell .lineup-footer [aria-current="page"] { color: var(--ground); }

.guide-article { padding: 0 var(--gutter); }
.breadcrumbs { padding-block: 1.1rem; border-block-end: 1.5px solid var(--hairline); }
.breadcrumbs ol {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: 0;
  padding: 0;
  color: var(--ink-dim);
  font-size: .82rem;
  list-style: none;
}
.breadcrumbs li { min-inline-size: 0; }
.breadcrumbs li + li::before { content: "/"; margin-inline-end: .5rem; color: var(--hot); }
.breadcrumbs [aria-current="page"] {
  max-inline-size: 34ch;
  overflow: hidden;
  text-overflow: ellipsis;
  text-decoration: none;
  white-space: nowrap;
}

.article-intro {
  max-inline-size: 62rem;
  padding-block: clamp(3rem, 7vw, 6rem) clamp(2.5rem, 5vw, 4.5rem);
}
.article-intro h1 {
  max-inline-size: 16ch;
  margin-block-end: 1.25rem;
  font-size: clamp(2.75rem, 6vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -.04em;
}
.article-summary {
  max-inline-size: 62ch;
  margin-block-end: 1.4rem;
  color: var(--ink-dim);
  font-size: clamp(1.08rem, 1.7vw, 1.3rem);
  line-height: 1.55;
}
.article-meta {
  display: flex;
  gap: .65rem;
  margin: 0;
  color: var(--ink-dim);
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.article-visual {
  display: grid;
  grid-template-columns: minmax(16rem, 30rem) minmax(12rem, 24rem);
  gap: 1.25rem clamp(1.5rem, 4vw, 3rem);
  align-items: end;
  margin: 0 0 clamp(2.5rem, 5vw, 4rem);
}
.article-visual img {
  inline-size: 100%;
  block-size: auto;
  background: var(--surface);
  border: 3px solid var(--ink);
  border-radius: 18px;
}
.article-visual figcaption { max-inline-size: 34ch; color: var(--ink-dim); font-size: .85rem; line-height: 1.5; }

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 44rem) minmax(15rem, 20rem);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
  padding-block: clamp(2.5rem, 6vw, 5.5rem);
  border-block-start: 2px solid var(--ink);
}
.article-body { min-inline-size: 0; }
.article-body section + section {
  margin-block-start: clamp(2.75rem, 6vw, 4.75rem);
  padding-block-start: clamp(2rem, 4vw, 3rem);
  border-block-start: 1.5px solid var(--hairline);
}
.article-body h2 {
  max-inline-size: 24ch;
  margin-block-end: 1.15rem;
  font-size: clamp(1.75rem, 3.5vw, 2.65rem);
}
.article-body p,
.article-body ul {
  max-inline-size: 70ch;
  margin-block-end: 1.05rem;
  color: var(--ink-dim);
  font-size: 1.04rem;
  line-height: 1.72;
}
.article-body ul { padding-inline-start: 1.3rem; }
.article-body li + li { margin-block-start: .7rem; }

.article-play {
  position: sticky;
  inset-block-start: 1.5rem;
  padding: 1.35rem;
  color: var(--ground);
  background: var(--board);
  border-radius: var(--r-plate);
}
.article-play__tile {
  display: grid;
  place-items: center;
  inline-size: 4.5rem;
  aspect-ratio: 1;
  margin-block-end: 2rem;
  color: var(--ink);
  background: var(--rare);
  border-radius: var(--r-tile);
  font-family: var(--disp);
  font-size: 1.15rem;
  font-weight: 800;
}
.article-play h2 { margin-block-end: .75rem; font-size: 1.75rem; }
.article-play p { margin-block-end: 1.35rem; color: #e5cdb8; font-size: .95rem; line-height: 1.55; }
.article-play .lineup-action { color: var(--ink); background: var(--rare); border-color: var(--rare); }
.article-play .lineup-action:hover { background: var(--ground); }

.related-guides,
.article-close { padding: var(--band) var(--gutter); border-block-start: 2px solid var(--ink); }
.related-guides { background: #fef4e4; }
.related-guides > h2,
.article-close h2 { margin-block-end: 1.5rem; font-size: clamp(2rem, 4vw, 3.25rem); }
.related-guides ul { margin: 0; padding: 0; list-style: none; }
.related-guides li {
  display: grid;
  grid-template-columns: minmax(12rem, .75fr) minmax(0, 1.25fr);
  gap: 1rem clamp(1.5rem, 4vw, 4rem);
  padding-block: 1.35rem;
  border-block-start: 1.5px solid var(--hairline);
}
.related-guides li:first-child { border-block-start-color: var(--ink); }
.related-guides a { align-self: start; font-family: var(--disp); font-size: 1.25rem; font-weight: 700; }
.related-guides p { max-inline-size: 58ch; margin: 0; color: var(--ink-dim); }

.article-close { background: var(--ground); text-align: center; }
.article-close p { margin: -0.5rem auto 1.5rem; color: var(--ink-dim); }

.guide-index > header { padding: clamp(3rem, 7vw, 6rem) var(--gutter); border-block-end: 2px solid var(--ink); }
.guide-index > header h1 { margin-block-end: 1rem; font-size: clamp(3rem, 7vw, 6rem); font-weight: 800; letter-spacing: -.04em; }
.guide-index > header p { max-inline-size: 46rem; margin: 0; color: var(--ink-dim); font-size: clamp(1.08rem, 1.7vw, 1.3rem); }
.guide-index > ul { margin: 0; padding: 0 var(--gutter); list-style: none; }
.guide-index > ul > li {
  display: grid;
  grid-template-columns: 4rem minmax(14rem, .8fr) minmax(18rem, 1.2fr) auto;
  gap: 1rem clamp(1.25rem, 3vw, 3rem);
  align-items: center;
  padding-block: clamp(1.75rem, 4vw, 2.75rem);
  border-block-end: 1.5px solid var(--hairline);
}
.guide-index__tile {
  display: grid;
  place-items: center;
  inline-size: 4rem;
  aspect-ratio: 1;
  color: var(--ink);
  background: var(--rare);
  border-radius: var(--r-tile);
  font-family: var(--disp);
  font-weight: 800;
}
.guide-index li:nth-child(1) .guide-index__tile { background: #fff0dc; }
.guide-index li:nth-child(2) .guide-index__tile { background: #ffdfb5; }
.guide-index li:nth-child(3) .guide-index__tile { background: #ffc24d; }
.guide-index h2 { margin: 0; font-size: clamp(1.4rem, 2.5vw, 2rem); }
.guide-index li p { margin: 0; color: var(--ink-dim); }
.guide-index__meta { color: var(--ink-dim); font-family: var(--mono); font-size: .7rem; letter-spacing: .05em; text-transform: uppercase; white-space: nowrap; }

@media (max-width: 52rem) {
  .article-layout { grid-template-columns: minmax(0, 1fr); }
  .article-play { position: static; }
  .guide-index > ul > li { grid-template-columns: 3.25rem minmax(0, 1fr); }
  .guide-index__tile { inline-size: 3.25rem; }
  .article-visual { grid-template-columns: minmax(0, 1fr); }
  .article-visual img { max-inline-size: 30rem; }
  .guide-index li p,
  .guide-index__meta { grid-column: 2; }
}

@media (max-width: 38rem) {
  .article-intro h1 { font-size: clamp(2.55rem, 12vw, 4rem); }
  .breadcrumbs [aria-current="page"] { display: none; }
  .related-guides li { grid-template-columns: minmax(0, 1fr); }
  .article-meta { align-items: flex-start; flex-direction: column; gap: .25rem; }
  .article-meta [aria-hidden="true"] { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .skip-link { transition: none; }
}

@media (forced-colors: active) {
  .article-play, .article-play__tile, .guide-index__tile { forced-color-adjust: auto; }
}