/* ==========================================================================
   Diwa X - "Paper & Ember"
   Design system authored per build/DESIGN.md and generated with Google Stitch
   (project 3312767375568181815, design system assets/11399881926875008665).
   Light mode only, locked at page level. One accent hue. Tokens are taken
   directly from that generation.
   ========================================================================== */

@import url("/assets/fonts/fonts.css");

/* --------------------------------------------------------------- tokens */
:root {
  --canvas:    #F1F1EE;   /* Stone Canvas  */
  --paper:     #FBFBF9;   /* Raised Paper  */
  --sunken:    #E9E9E4;   /* Sunken Paper  */
  --ink:       #1A1A18;   /* Ink           */
  --graphite:  #5C5C56;   /* Graphite      */
  --hairline:  #DEDED7;   /* Hairline      */
  --ember:     #B8452A;   /* THE accent    */
  --ember-ink: #A03B23;   /* accent pressed */
  --ember-wash:#F6E7E1;   /* accent tint   */

  --font-display: "Outfit", ui-sans-serif, system-ui, sans-serif;
  --font-body:    "Geist", ui-sans-serif, system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  /* shape lock: panels 10, controls 6, artwork 4 */
  --r-panel: 10px;
  --r-ctrl:  6px;
  --r-art:   4px;

  --shell:  1400px;
  --gutter: 24px;
  --header-h: 76px;

  --t:    200ms;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -.03em;
  line-height: 1.15;
  margin: 0 0 .55em;
}

p  { margin: 0 0 1.1em; }
ul { margin: 0 0 1.1em; padding-left: 1.15rem; }
li { margin-bottom: .45rem; }

a { color: var(--ember); text-decoration: none; transition: color var(--t) var(--ease); cursor: pointer; }
a:hover { color: var(--ember-ink); }

img { max-width: 100%; height: auto; display: block; }
button, summary, [role="button"], label[for] { cursor: pointer; }

:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; border-radius: 3px; }
::selection { background: var(--ember-wash); color: var(--ink); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 24px; top: 10px; transform: translateY(-200%);
  background: var(--ember); color: var(--paper); padding: 10px 18px;
  border-radius: var(--r-ctrl); font-weight: 600; z-index: 200;
  transition: transform var(--t) var(--ease);
}
.skip-link:focus { transform: translateY(0); color: var(--paper); }

/* numerals are always mono (VISUAL_DENSITY 5) */
.num, .stat-value, .rank, .spec dd, .chip--mono, .bonus-figure {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}

/* --------------------------------------------------------------- shell
   The container cap is the ONLY width constraint. Nothing inside narrows
   further: no measure clamp on prose, no max-width on headlines. */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* 40px top + 40px bottom = 80px of space between adjacent sections */
.section { padding: 40px 0; }
.section--tight { padding: 28px 0; }

.section-head { margin-bottom: 28px; }
.section-head h2 { font-size: clamp(1.5rem, 2.8vw, 2.125rem); margin-bottom: .25em; }
.section-head p  { color: var(--graphite); margin: 0; font-size: .9375rem; }

.eyebrow {
  display: block; font-family: var(--font-mono); font-size: 11.5px;
  font-weight: 500; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ember); margin-bottom: 14px;
}

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-size: .9375rem; font-weight: 600;
  padding: 12px 22px; border-radius: var(--r-ctrl); border: 1px solid transparent;
  white-space: nowrap; line-height: 1.2; cursor: pointer;
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease),
              color var(--t) var(--ease), transform 90ms var(--ease);
}
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--ember); color: var(--paper); }
.btn--primary:hover { background: var(--ember-ink); color: var(--paper); }

.btn--secondary { background: transparent; color: var(--ink); border-color: var(--hairline); }
.btn--secondary:hover { background: var(--paper); border-color: var(--graphite); color: var(--ink); }

.btn--block { display: flex; width: 100%; }

/* --------------------------------------------------------------- chips */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 500; line-height: 1;
  padding: 6px 10px; border-radius: var(--r-ctrl);
  background: var(--sunken); color: var(--graphite); border: 1px solid transparent;
}
.chip--accent { background: var(--ember-wash); color: var(--ember); }
.chip--hot {
  background: var(--ember); color: var(--paper);
  font-family: var(--font-body); font-size: 11px; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase; padding: 5px 9px;
}
.chip--new {
  background: transparent; color: var(--ember); border-color: var(--ember);
  font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; padding: 5px 9px;
}

/* --------------------------------------------------------------- rating */
.stars { display: inline-flex; align-items: center; gap: 1px; }
.star--full, .star--half { color: var(--ember); }
.star--half { opacity: .45; }
.star--empty { color: var(--hairline); }

.rating { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--graphite); }

/* --------------------------------------------------------------- header
   Full-bleed bar. Inner row spans the entire container, logo hard left,
   nav hard right. Nothing narrows it. */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(241, 241, 238, .88);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}

.nav { display: flex; align-items: center; gap: 16px; height: var(--header-h); width: 100%; }

.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.brand img { width: 44px; height: 44px; border-radius: var(--r-art); }
.site-footer .brand img { width: 52px; height: 52px; }
.brand strong {
  font-family: var(--font-display); font-size: 1.3125rem; font-weight: 600;
  color: var(--ink); letter-spacing: -.03em;
}
.site-footer .brand strong { font-size: 1.4375rem; }

.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  display: block; padding: 8px 13px; border-radius: var(--r-ctrl);
  font-size: .9375rem; font-weight: 500; color: var(--graphite);
  transition: color var(--t) var(--ease), background var(--t) var(--ease);
}
.nav-links a:hover { color: var(--ink); background: var(--sunken); }
.nav-links a.is-active { color: var(--ember); background: transparent; font-weight: 600; }

/* The CTA must win over the generic .nav-links a colour rule, or its label
   inherits Graphite and fails contrast against the Ember fill. */
.nav-links a.btn--primary,
.nav-links a.btn--primary:hover {
  margin-left: 8px; padding: 10px 18px; font-size: .875rem;
  color: var(--paper); font-weight: 600;
}
.nav-links a.btn--primary { background: var(--ember); }
.nav-links a.btn--primary:hover { background: var(--ember-ink); }

.nav-toggle {
  display: none; width: 44px; height: 44px; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--hairline);
  border-radius: var(--r-ctrl); color: var(--ink);
}
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }
.nav-toggle[aria-expanded="true"] .icon-open  { display: none; }

/* --------------------------------------------------------------- hero
   Asymmetric split, never centered. Max 4 text elements, one CTA. */
/* Hero plate is generated with Cloudflare Workers AI (flux-1-schnell); see
   build/genimg.py. The page is light, but this band is deliberately dark so the
   cinematic artwork reads. Type inside it flips to paper for contrast. */
.hero {
  position: relative; padding: 84px 0 76px; isolation: isolate;
  background: #0B0906;
  border-bottom: 1px solid var(--hairline);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background: url("/assets/images/gen/hero-home.webp") center right / cover no-repeat;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(11, 9, 6, .94) 0%, rgba(11, 9, 6, .86) 38%,
                    rgba(11, 9, 6, .45) 66%, rgba(11, 9, 6, .2) 100%),
    linear-gradient(180deg, rgba(11, 9, 6, .5) 0%, transparent 30%);
}
.hero .eyebrow { color: #E8A16B; }
.hero h1 { color: #FBFBF9; }
.hero__lede { color: #FFFFFF; }
.hero .btn--primary { background: var(--ember); color: #FBFBF9; }
.hero .btn--primary:hover { background: #C94E30; color: #FBFBF9; }
.hero__stack img { border-color: rgba(255, 255, 255, .14); background: rgba(255, 255, 255, .04); }

.hero__inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.125rem, 4.6vw, 3.5rem); font-weight: 700; margin-bottom: .3em; }
.hero__lede { font-size: 1.0625rem; margin-bottom: 28px; }

/* offset artwork stack, real app icons, no grid */
.hero__stack { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.hero__stack img {
  width: 100%; aspect-ratio: 1; object-fit: cover;
  border-radius: var(--r-panel); border: 1px solid var(--hairline); background: var(--paper);
}
.hero__stack img:nth-child(3n + 1) { transform: translateY(18px); }
.hero__stack img:nth-child(3n + 3) { transform: translateY(-18px); }

/* --------------------------------------------------------------- trust strip */
.trust {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline);
}
.trust div {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 18px 12px; font-size: .875rem; color: var(--graphite);
}
.trust div + div { border-left: 1px solid var(--hairline); }
.trust svg { color: var(--ink); flex: none; }

/* --------------------------------------------------------------- newest: asymmetric feature + grid */
.newest { display: grid; grid-template-columns: .8fr 1.2fr; gap: 24px; align-items: stretch; }

.feature-card {
  background: var(--paper); border: 1px solid var(--hairline); border-radius: var(--r-panel);
  padding: 22px; display: flex; flex-direction: column;
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.feature-card:hover {
  border-color: var(--ember); transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(90, 88, 80, .10);
}
.feature-card__art {
  width: 100%; aspect-ratio: 4 / 3; object-fit: contain;
  border-radius: var(--r-art); background: var(--sunken); margin-bottom: 18px;
}
.feature-card h3 { font-size: 1.375rem; margin-bottom: .3em; }
.feature-card h3 a { color: inherit; }
.feature-card:hover h3 a { color: var(--ember); }
.feature-card__desc { font-size: .9375rem; color: var(--graphite); margin: 10px 0 18px; flex: 1; }
.feature-card .btn { margin-top: auto; }

.mini-grid { display: grid; grid-template-columns: repeat(2, 1fr); grid-auto-rows: 1fr; gap: 20px; height: 100%; }

.app-card {
  background: var(--paper); border: 1px solid var(--hairline); border-radius: var(--r-panel);
  padding: 18px; display: flex; flex-direction: column;
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.app-card:hover {
  border-color: var(--ember); transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(90, 88, 80, .10);
}
.app-card__top { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 14px; }
.app-card__art {
  width: 56px; height: 56px; flex: none; border-radius: var(--r-art);
  object-fit: cover; background: var(--sunken);
}
.app-card__head { min-width: 0; flex: 1; }
.app-card h3 { font-size: 1rem; margin-bottom: 6px; line-height: 1.3; }
.app-card h3 a { color: inherit; }
.app-card:hover h3 a { color: var(--ember); }
.app-card__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; font-size: 12.5px; }
.app-card__desc { font-size: .875rem; color: var(--graphite); margin: 0 0 16px; flex: 1; line-height: 1.6; }
.app-card .btn { margin-top: auto; }

/* --------------------------------------------------------------- hot: ranked rows, no cards */
.ranked { border-top: 1px solid var(--hairline); }
.rank-row {
  display: grid; grid-template-columns: 48px 44px minmax(0, 1fr) auto auto;
  gap: 18px; align-items: center; padding: 16px 4px;
  border-bottom: 1px solid var(--hairline);   /* between rows only */
  transition: background var(--t) var(--ease);
}
.rank-row:hover { background: var(--paper); }
.rank { font-size: 1rem; color: var(--graphite); font-weight: 500; }
.rank-row__art { width: 44px; height: 44px; border-radius: var(--r-art); object-fit: cover; background: var(--sunken); }
.rank-row__name { font-family: var(--font-display); font-size: 1.0625rem; font-weight: 600; letter-spacing: -.02em; }
.rank-row__name a { color: var(--ink); }
.rank-row:hover .rank-row__name a { color: var(--ember); }
.rank-row__stats { display: flex; gap: 18px; font-family: var(--font-mono); font-size: 13px; color: var(--graphite); font-variant-numeric: tabular-nums; }
.rank-row__link { font-size: .875rem; font-weight: 600; white-space: nowrap; }

/* --------------------------------------------------------------- all games: compact grid */
.compact-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; }

.compact-card {
  display: block; background: var(--paper); border: 1px solid var(--hairline);
  border-radius: var(--r-panel); padding: 14px;
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.compact-card:hover {
  border-color: var(--ember); transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(90, 88, 80, .10);
}
.compact-card img {
  width: 100%; aspect-ratio: 1; object-fit: cover;
  border-radius: var(--r-art); background: var(--sunken); margin-bottom: 12px;
}
.compact-card b {
  display: block; font-family: var(--font-display); font-size: .9375rem; font-weight: 600;
  color: var(--ink); letter-spacing: -.02em; line-height: 1.3; margin-bottom: 8px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.compact-card:hover b { color: var(--ember); }
.compact-card__meta {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; color: var(--graphite); font-variant-numeric: tabular-nums;
}
.compact-card__meta .bonus { color: var(--ember); }

/* --------------------------------------------------------------- editorial */
.editorial { border-top: 1px solid var(--hairline); padding-top: 40px; }

/* --------------------------------------------------------------- article
   Prose fills its column. No measure clamp (client instruction). */
.article { min-width: 0; }
.article h1 { font-size: clamp(1.75rem, 3.2vw, 2.375rem); font-weight: 700; margin-bottom: .5em; }
.article h2 { font-size: clamp(1.375rem, 2.4vw, 1.75rem); margin-top: 1.9em; }
.article h3 { font-size: 1.125rem; margin-top: 1.6em; color: var(--ink); }
.article p  { line-height: 1.7; color: var(--graphite); }
.article strong { color: var(--ink); font-weight: 600; }
.article > h2:first-child, .article > h1:first-child { margin-top: 0; }

.article-list { list-style: none; padding-left: 1.35rem; }
.article-list li { position: relative; line-height: 1.7; color: var(--graphite); }
.article-list li::before {
  content: ""; position: absolute; left: -1.35rem; top: .6em;
  width: 7px; height: 7px; background: var(--ember); border-radius: 1px;
}

/* A long list is a different component, not a longer list (skill 4.9). */
.article-list--split {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 40px; row-gap: 2px;
  padding: 20px 20px 20px calc(1.35rem + 20px);
  background: var(--paper); border: 1px solid var(--hairline); border-radius: var(--r-panel);
  margin-block: 1.6em;
}
.article-list--split li { margin-bottom: .55rem; }

/* Lead paragraph: the first paragraph after the article H1 carries more weight. */
.article > h1 + p { font-size: 1.125rem; line-height: 1.65; color: var(--ink); }

/* Rhythm marker above each H2. */
.article h2 { position: relative; padding-top: .9em; }
.article h2::before {
  content: ""; position: absolute; top: 0; left: 0;
  width: 40px; height: 2px; background: var(--ember); border-radius: 1px;
}
.article > h1 + p + h2::before, .article > h2:first-child::before { display: none; }

/* --------------------------------------------------------------- fact cards
   A card band directly under the article H1, built from catalogue data. */
.fact-cards {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px;
  margin: 1.6em 0 2em;
}
.fact-card {
  background: var(--paper); border: 1px solid var(--hairline); border-radius: var(--r-panel);
  padding: 16px 18px;
}
.fact-card small {
  display: block; font-size: 10.5px; font-weight: 500; letter-spacing: .12em;
  text-transform: uppercase; color: var(--graphite); margin-bottom: 7px;
}
.fact-card b { font-size: 1.25rem; font-weight: 500; color: var(--ink); }
.fact-card:first-child b { color: var(--ember); }

/* --------------------------------------------------------------- two-up gallery */
.figure-duo {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 2.2em 0;
}
.figure-duo figure { margin: 0; }
.figure-duo img {
  width: 100%; aspect-ratio: 3 / 2; object-fit: cover;
  border-radius: var(--r-panel); border: 1px solid var(--hairline); background: var(--sunken);
}
.figure-duo figure:first-child img { aspect-ratio: 3 / 2; }

/* --------------------------------------------------------------- step cards
   "How to play" lists render as numbered cards, not another bullet run. */
.step-cards {
  list-style: none; counter-reset: step; margin: 1.8em 0; padding: 0;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px;
}
.step-cards li {
  display: flex; gap: 14px; align-items: flex-start; margin: 0;
  background: var(--paper); border: 1px solid var(--hairline);
  border-radius: var(--r-panel); padding: 16px 18px;
  transition: border-color var(--t) var(--ease);
}
.step-cards li:hover { border-color: var(--ember); }
.step-n {
  flex: none; font-size: .8125rem; font-weight: 700; color: var(--ember);
  background: var(--ember-wash); border-radius: var(--r-ctrl);
  padding: 4px 8px; line-height: 1.3;
}
.step-t { color: var(--graphite); line-height: 1.6; font-size: .9375rem; }
.step-t strong { color: var(--ink); }

/* --------------------------------------------------------------- article figures */
.article-figure { margin: 2.2em 0; }
.article-figure img {
  width: 100%; border-radius: var(--r-panel); border: 1px solid var(--hairline);
  background: var(--sunken);
}

/* full column width, breaks the wall of text right after the intro */
.article-figure--wide img { aspect-ratio: 2.15 / 1; object-fit: cover; }

/* offset inset: narrower and pushed to one side for an asymmetric beat */
.article-figure--inset {
  display: grid; grid-template-columns: 1fr 2.1fr; gap: 24px; align-items: center;
}
.article-figure--inset::before {
  content: ""; display: block; border-top: 1px solid var(--hairline); align-self: center;
}
.article-figure--inset img { aspect-ratio: 1200 / 620; object-fit: cover; }

/* --------------------------------------------------------------- breadcrumb */
.breadcrumb { border-bottom: 1px solid var(--hairline); }
.breadcrumb ol {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  list-style: none; margin: 0; padding: 16px 0; font-size: .8125rem;
}
.breadcrumb li { display: flex; align-items: center; gap: 8px; margin: 0; }
.breadcrumb a { color: var(--graphite); }
.breadcrumb a:hover { color: var(--ember); }
.breadcrumb svg { color: var(--hairline); }
.breadcrumb [aria-current] { color: var(--ink); font-weight: 500; }

/* --------------------------------------------------------------- masthead */
/* The APK masthead sits on its own generated plate, faded so the panel and type
   stay fully legible. Same source as the homepage hero: build/genimg.py. */
.masthead-band { position: relative; isolation: isolate; padding: 40px 0 44px; }
.masthead-band::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: url("/assets/images/gen/hero-apk.webp") center 30% / cover no-repeat;
  opacity: .85;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 52%, transparent 100%);
          mask-image: linear-gradient(180deg, #000 0%, #000 52%, transparent 100%);
}
.masthead-band::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(241, 241, 238, .34), rgba(241, 241, 238, .8));
}

.masthead {
  background: var(--paper); border: 1px solid var(--hairline); border-radius: var(--r-panel);
  padding: 28px;
  display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 32px; align-items: start;
  box-shadow: 0 10px 34px rgba(90, 88, 80, .10);
}
.masthead__art {
  width: 170px; height: 170px; border-radius: var(--r-panel);
  object-fit: cover; background: var(--sunken); border: 1px solid var(--hairline);
}
.masthead__head { display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-start; justify-content: space-between; }
.masthead h1 { font-size: clamp(1.75rem, 3.6vw, 2.5rem); font-weight: 700; margin: 0 0 12px; }

/* badges sit in normal flow, never absolutely positioned */
.masthead__badges { position: static; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 22px; }

.spec-strip {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--hairline); padding-top: 18px; margin-bottom: 22px;
}
.spec-strip div { padding-right: 18px; }
.spec-strip div + div { border-left: 1px solid var(--hairline); padding-left: 18px; }
.spec-strip small {
  display: block; font-size: 10.5px; font-weight: 500; letter-spacing: .12em;
  text-transform: uppercase; color: var(--graphite); margin-bottom: 6px;
}
.stat-value { display: block; font-size: 1.25rem; font-weight: 500; color: var(--ink); }

/* --------------------------------------------------------------- detail layout */
.layout { display: grid; grid-template-columns: 2.1fr 1fr; gap: 48px; align-items: start; padding: 40px 0; }
.sidebar { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 18px; }

.panel { background: var(--paper); border: 1px solid var(--hairline); border-radius: var(--r-panel); padding: 20px; }
.panel h2 {
  display: flex; align-items: center; gap: 9px;
  font-size: .9375rem; font-weight: 600; margin: 0 0 14px; letter-spacing: -.01em;
}
.panel h2 svg { color: var(--ember); flex: none; }

/* grouped spec rows: one divider between groups, not under every row */
.spec-group { display: grid; gap: 2px; }
.spec-group + .spec-group { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--hairline); }
.spec { display: flex; justify-content: space-between; align-items: baseline; gap: 14px; padding: 5px 0; font-size: .875rem; }
.spec dt { color: var(--graphite); }
.spec dd { margin: 0; color: var(--ink); font-size: .8125rem; text-align: right; }

.bonus-figure { font-family: var(--font-mono); font-size: 2rem; font-weight: 700; color: var(--ember); line-height: 1.1; margin: 0 0 2px; }
.bonus-caption { font-size: 11.5px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--graphite); margin-bottom: 16px; }

.side-note {
  display: flex; gap: 11px; align-items: flex-start;
  border: 1px solid var(--hairline); border-radius: var(--r-panel);
  padding: 15px; font-size: .8125rem; line-height: 1.6; color: var(--graphite);
}
.side-note svg { color: var(--ember); flex: none; margin-top: 1px; }

/* --------------------------------------------------------------- FAQ accordion */
.faq { margin-top: 2.4em; }
.faq > h2 { font-size: clamp(1.375rem, 2.4vw, 1.75rem); margin-bottom: .7em; }

.faq-item { border-bottom: 1px solid var(--hairline); }   /* between items only */
.faq-item:first-of-type { border-top: 1px solid var(--hairline); }

.faq-item > summary {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 18px 2px; list-style: none;
  font-family: var(--font-display); font-size: 1.0625rem; font-weight: 500;
  color: var(--ink); letter-spacing: -.02em; min-height: 44px;
  transition: color var(--t) var(--ease);
}
.faq-item > summary::-webkit-details-marker { display: none; }
.faq-item > summary::marker { content: ""; }
.faq-item > summary:hover { color: var(--ember); }
.faq-item > summary svg { color: var(--graphite); flex: none; transition: transform var(--t) var(--ease); }
.faq-item[open] > summary svg { transform: rotate(180deg); }
.faq-item[open] > summary { color: var(--ember); }

.faq-answer { padding: 0 2px 20px; color: var(--graphite); line-height: 1.7; }
.faq-answer p:last-child { margin-bottom: 0; }

@media (prefers-reduced-motion: no-preference) {
  .faq-item[open] .faq-answer { animation: faq-open 220ms var(--ease); }
  @keyframes faq-open { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
}

/* --------------------------------------------------------------- related strip */
.related-strip { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; }

/* --------------------------------------------------------------- notice */
.notice {
  background: var(--sunken); border: 1px solid var(--hairline);
  border-radius: var(--r-panel); padding: 28px;
}
.notice__head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.notice__head svg { color: var(--ember); flex: none; }
.notice__head h2 { font-size: 1.1875rem; margin: 0; }
.notice__age {
  font-family: var(--font-mono); font-size: 12px; font-weight: 700;
  border: 1px solid var(--graphite); color: var(--ink);
  border-radius: var(--r-ctrl); padding: 3px 8px; line-height: 1.4;
}
.notice p { color: var(--graphite); font-size: .9375rem; }
.notice p:last-of-type { margin-bottom: 0; }
.notice__tips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }

/* --------------------------------------------------------------- page hero (static pages) */
.page-hero { padding: 56px 0 40px; border-bottom: 1px solid var(--hairline); }
.page-hero h1 { font-size: clamp(1.875rem, 4vw, 2.75rem); font-weight: 700; }
.page-hero p { color: var(--graphite); margin: 0; font-size: 1.0625rem; }
.page-body { padding: 40px 0 40px; }

/* --------------------------------------------------------------- footer */
.site-footer { border-top: 1px solid var(--hairline); background: var(--paper); margin-top: 24px; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding: 52px 0 36px; }
.footer-brand .brand { margin-bottom: 12px; }
.footer-brand p { font-size: .875rem; color: var(--graphite); margin: 0; }
.footer-col h2 { font-size: .875rem; font-weight: 600; color: var(--ink); margin: 0 0 12px; font-family: var(--font-body); letter-spacing: 0; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { font-size: .875rem; color: var(--graphite); }
.footer-col a:hover { color: var(--ember); }

.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between;
  padding: 18px 0 26px; border-top: 1px solid var(--hairline);
  font-size: .8125rem; color: var(--graphite);
}
.footer-bottom p { margin: 0; }

/* --------------------------------------------------------------- to top */
.to-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center;
  background: var(--ink); color: var(--canvas); border: 0; border-radius: var(--r-ctrl);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity var(--t) var(--ease), transform var(--t) var(--ease), visibility var(--t) var(--ease), background var(--t) var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--ember); }

/* --------------------------------------------------------------- reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 480ms var(--ease), transform 480ms var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* --------------------------------------------------------------- responsive */
@media (max-width: 1180px) {
  .compact-grid, .related-strip { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .layout { grid-template-columns: 1.8fr 1fr; gap: 36px; }
}

@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__stack { max-width: 420px; }
  .newest { grid-template-columns: 1fr; }
  .compact-grid, .related-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sidebar .btn--block, .sidebar .side-note { grid-column: 1 / -1; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .masthead { grid-template-columns: 130px minmax(0, 1fr); gap: 24px; }
  .masthead__art { width: 130px; height: 130px; }
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--canvas); border-bottom: 1px solid var(--hairline);
    padding: 12px var(--gutter) 20px;
    transform: translateY(-10px); opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity var(--t) var(--ease), transform var(--t) var(--ease), visibility var(--t) var(--ease);
  }
  .nav-links.is-open { transform: none; opacity: 1; visibility: visible; pointer-events: auto; }
  .nav-links a { padding: 13px 12px; font-size: 1rem; }
  .nav-links .btn { margin: 8px 0 0; }

  .trust { grid-template-columns: repeat(2, 1fr); }
  .trust div:nth-child(odd) { border-left: 0; }
  .trust div:nth-child(n + 3) { border-top: 1px solid var(--hairline); }

  .spec-strip { grid-template-columns: repeat(2, 1fr); gap: 16px 0; }
  .spec-strip div:nth-child(odd) { border-left: 0; padding-left: 0; }

  .rank-row { grid-template-columns: 34px 40px minmax(0, 1fr) auto; gap: 12px; }
  .rank-row__stats { display: none; }

  .section { padding: 32px 0; }
}

@media (max-width: 860px) {
  .article-list--split { grid-template-columns: 1fr; }
  .fact-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step-cards { grid-template-columns: 1fr; }
  .article-figure--inset { grid-template-columns: 1fr; gap: 0; }
  .article-figure--inset::before { display: none; }
  .masthead-band { padding: 24px 0 28px; }
}

@media (max-width: 640px) {
  :root { --gutter: 16px; --header-h: 68px; }
  .brand img { width: 38px; height: 38px; }
  .site-footer .brand img { width: 46px; height: 46px; }
  .brand strong { font-size: 1.1875rem; }
  .article-list--split { padding: 16px 16px 16px calc(1.35rem + 16px); }
  .figure-duo { grid-template-columns: 1fr; gap: 12px; }
  .fact-card { padding: 13px 14px; }
  .fact-card b { font-size: 1.0625rem; }
  .article-figure { margin: 1.7em 0; }
  .compact-grid, .related-strip, .mini-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .sidebar { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; padding: 36px 0 26px; }
  .masthead { grid-template-columns: 1fr; padding: 20px; }
  .masthead__art { width: 110px; height: 110px; }
  .hero { padding: 44px 0 40px; }
  .hero__stack { gap: 10px; }
  .hero__stack img { transform: none !important; }
  .notice { padding: 20px; }
  .to-top { right: 14px; bottom: 14px; }
}

@media (max-width: 420px) {
  .compact-grid, .related-strip, .mini-grid { grid-template-columns: 1fr; }
  .trust { grid-template-columns: 1fr; }
  .trust div { border-left: 0; }
  .trust div + div { border-top: 1px solid var(--hairline); }
}

/* --------------------------------------------------------------- motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero__stack img { transform: none !important; }
}

/* --------------------------------------------------------------- print */
@media print {
  .site-header, .site-footer, .to-top, .sidebar, .related-strip, .trust { display: none !important; }
  body { background: #fff; }
}