:root {
  color-scheme: dark;
  --bg: #0d1117;
  --bg-deep: #081018;
  --surface: #101923;
  --surface-soft: #0c151e;
  --ink: #f2f4f8;
  --muted: #9ea9b7;
  --cyan: #42d7ff;
  --cyan-soft: rgba(66, 215, 255, 0.12);
  --orange: #ff6b3d;
  --lime: #b8ff5a;
  --line: rgba(157, 199, 218, 0.23);
  --line-strong: rgba(157, 199, 218, 0.38);
  --max-width: 1640px;
  --content-width: 760px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink);
  background:
    linear-gradient(rgba(66, 215, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(66, 215, 255, 0.025) 1px, transparent 1px),
    var(--bg);
  background-size: 64px 64px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

body::before,
body::after {
  position: fixed;
  z-index: -1;
  width: 1px;
  height: 100vh;
  top: 0;
  content: "";
  background: var(--line);
}

body::before { left: 24px; }
body::after { right: 24px; }

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration-color: rgba(66, 215, 255, 0.6);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.24em;
}

a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 5px;
}

.shell {
  width: min(var(--max-width), calc(100% - 80px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 11px 14px;
  color: var(--bg);
  background: var(--lime);
  font-size: 0.82rem;
  font-weight: 750;
  text-decoration: none;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  border-bottom: 1px solid var(--line);
}

.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 15px;
  font-size: 1.34rem;
  font-weight: 760;
  letter-spacing: -0.035em;
  text-decoration: none;
}

.brand img {
  width: 72px;
  height: 24px;
  object-fit: contain;
}

.desktop-nav,
.site-footer nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(22px, 3vw, 52px);
  color: #c6cdd6;
  font-size: 0.91rem;
}

.desktop-nav a,
.site-footer nav a {
  position: relative;
  text-decoration: none;
}

.desktop-nav a::after,
.site-footer nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.desktop-nav a:hover::after,
.desktop-nav a[aria-current="page"]::after,
.site-footer nav a:hover::after {
  transform: scaleX(1);
}

.desktop-nav a[aria-current="page"] {
  color: var(--ink);
}

.mobile-menu {
  display: none;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  margin: 0;
  text-wrap: balance;
}

h1 {
  font-size: clamp(3.8rem, 6.25vw, 6.75rem);
  font-weight: 760;
  letter-spacing: -0.065em;
  line-height: 0.94;
}

h2 {
  font-size: clamp(2rem, 3vw, 3.15rem);
  font-weight: 720;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

h3 {
  font-size: 1.22rem;
  line-height: 1.2;
}

.lead {
  max-width: 760px;
  margin: 26px 0 0;
  color: #b5bdc8;
  font-size: clamp(1.08rem, 1.55vw, 1.36rem);
  line-height: 1.5;
}

.breadcrumb,
.meta,
.index,
.grid-note,
.error-code {
  color: var(--cyan);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.74rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  letter-spacing: 0;
  text-transform: none;
}

.breadcrumb a {
  text-decoration: none;
}

.breadcrumb span {
  color: var(--muted);
}

.arrow-icon {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  transition: transform 160ms ease;
}

a:hover > .arrow-icon,
a:hover .arrow-icon {
  transform: translateX(4px);
}

.external-icon {
  width: 18px;
  height: 18px;
  display: inline-block;
  margin-left: 5px;
  vertical-align: -0.22em;
}

.corner-frame {
  position: relative;
  background:
    linear-gradient(var(--cyan), var(--cyan)) left top / 24px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) left top / 1px 24px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) right top / 24px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) right top / 1px 24px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) left bottom / 24px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) left bottom / 1px 24px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) right bottom / 24px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) right bottom / 1px 24px no-repeat;
}

.primary-action {
  min-height: 76px;
  min-width: min(100%, 470px);
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  padding: 0 28px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  background: rgba(66, 215, 255, 0.025);
  font-size: 1.08rem;
  font-weight: 680;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}

.primary-action:hover {
  color: var(--bg);
  background: var(--cyan);
}

.primary-action:hover .arrow-icon {
  filter: brightness(0.22);
}

/* Homepage */

.home-hero {
  min-height: 636px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: 26px;
  padding-block: 34px 18px;
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  z-index: 2;
  padding-left: 42px;
}

.hero-copy h1 {
  max-width: 650px;
}

.hero-copy .lead {
  max-width: 560px;
}

.hero-copy .primary-action {
  margin-top: 38px;
}

.grid-note {
  margin: 58px 0 0;
  color: rgba(66, 215, 255, 0.8);
  font-size: 0.66rem;
}

.hero-art {
  min-width: 0;
  display: block;
}

.hero-art img {
  width: 108%;
  max-width: none;
  margin-left: -6%;
  object-fit: contain;
  filter: saturate(0.94) contrast(1.02);
}

.quick-section {
  padding-block: 56px 70px;
}

.quick-section h2 {
  margin: 0 0 36px 42px;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.quick-grid > a {
  min-width: 0;
  min-height: 178px;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) 24px;
  grid-template-rows: auto 1fr;
  align-items: start;
  gap: 10px 20px;
  padding: 30px 32px;
  color: var(--ink);
  text-decoration: none;
  transition: background 160ms ease;
}

.quick-grid > a + a {
  border-left: 1px solid var(--line);
}

.quick-grid > a:hover {
  background: var(--cyan-soft);
}

.quick-grid .line-icon {
  grid-row: 1 / 3;
  width: 48px;
  height: 48px;
}

.quick-grid strong {
  font-size: 1.12rem;
  line-height: 1.25;
}

.quick-grid small {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.quick-grid .arrow-icon {
  grid-column: 3;
  grid-row: 1 / 3;
  align-self: center;
}

.focus-band {
  padding-block: 70px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(8, 16, 24, 0.72);
}

.focus-layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.72fr) minmax(0, 1.28fr);
  align-items: center;
  gap: 76px;
}

.focus-copy {
  padding-left: 42px;
}

.focus-copy > p {
  max-width: 500px;
  margin: 22px 0 32px;
  color: var(--muted);
  font-size: 1.05rem;
}

.guide-rail {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.guide-rail li {
  border-bottom: 1px solid var(--line);
}

.guide-rail a {
  min-height: 64px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.guide-rail a > span:first-child {
  color: var(--cyan);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
}

.guide-rail strong {
  font-size: 1rem;
}

.guide-rail a:hover strong {
  color: var(--cyan);
}

.focus-art {
  min-width: 0;
  padding: 24px;
}

.focus-art img {
  width: 100%;
  height: auto;
}

.directory-section,
.latest-section {
  padding-block: 64px;
  border-bottom: 1px solid var(--line);
}

.directory-section h2,
.latest-section h2 {
  margin: 0 0 34px 42px;
}

.game-directory,
.latest-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.game-directory > a {
  min-height: 142px;
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 20px;
  padding: 24px 34px;
  text-decoration: none;
}

.game-directory > a + a,
.latest-grid > a + a {
  border-left: 1px solid var(--line);
}

.game-directory > a:hover,
.latest-grid > a:hover {
  background: var(--cyan-soft);
}

.game-mark {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.game-directory strong,
.game-directory small {
  display: block;
}

.game-directory strong {
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.game-directory small {
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.5;
}

.latest-grid > a {
  min-height: 204px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 24px;
  grid-template-rows: auto auto 1fr;
  gap: 11px 20px;
  padding: 28px 34px;
  text-decoration: none;
}

.latest-grid .meta,
.latest-grid strong,
.latest-grid p {
  grid-column: 1;
}

.latest-grid strong {
  font-size: 1.18rem;
}

.latest-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.91rem;
}

.latest-grid .arrow-icon {
  grid-column: 2;
  grid-row: 1 / 4;
  align-self: center;
}

.method-section {
  min-height: 330px;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  align-items: start;
  gap: 90px;
  margin-block: 92px;
  padding: 54px;
  border: 1px solid var(--line);
}

.method-section p {
  max-width: 710px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 1.07rem;
}

.method-section a {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--cyan);
  font-weight: 650;
}

/* Hub pages */

.hub-hero {
  min-height: 475px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 74px 42px;
  border-bottom: 1px solid var(--line);
}

.hub-hero h1 {
  max-width: 1180px;
}

.hub-method {
  max-width: 780px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.hub-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
}

.hub-index > a {
  min-height: 154px;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 20px;
  padding: 28px 42px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.hub-index > a:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.hub-index > a:hover {
  background: var(--cyan-soft);
}

.hub-index strong,
.hub-index small {
  display: block;
}

.hub-index strong {
  margin-bottom: 8px;
  font-size: 1.12rem;
}

.hub-index small {
  color: var(--muted);
  font-size: 0.91rem;
  line-height: 1.55;
}

.hub-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding-block: 76px 96px;
}

.hub-notes article {
  min-width: 0;
  padding: 0 42px;
}

.hub-notes article + article {
  border-left: 1px solid var(--line);
}

.hub-notes h2 {
  margin: 18px 0;
  font-size: 1.65rem;
}

.hub-notes p {
  margin: 0;
  color: var(--muted);
}

/* Documentation articles */

.doc-shell {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr) 290px;
  align-items: stretch;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.doc-toc,
.doc-aside {
  min-width: 0;
  align-self: stretch;
  background: rgba(8, 16, 24, 0.46);
}

.doc-toc {
  border-right: 1px solid var(--line);
  padding: 42px 28px;
}

.doc-aside {
  border-left: 1px solid var(--line);
}

.doc-toc h2,
.doc-aside h2 {
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.doc-toc h2 {
  margin: 0 0 24px;
}

.doc-toc ol,
.doc-aside ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.doc-toc ol {
  position: sticky;
  top: 24px;
}

.doc-toc li,
.related-list li {
  border-bottom: 1px solid var(--line);
}

.doc-toc a {
  min-height: 58px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
  text-decoration: none;
}

.doc-toc a span {
  color: var(--cyan);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
}

.doc-toc a:hover {
  color: var(--cyan);
}

.doc-content {
  min-width: 0;
  padding: 48px 50px 68px;
}

.doc-content h1 {
  max-width: 880px;
  font-size: clamp(3.2rem, 4.5vw, 5.4rem);
}

.doc-content > .lead {
  max-width: 760px;
  margin-bottom: 36px;
}

.doc-section {
  max-width: var(--content-width);
  padding: 30px 0 33px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 28px;
}

.doc-section h2 {
  margin-bottom: 16px;
  font-size: clamp(1.65rem, 2.2vw, 2.3rem);
}

.doc-section p {
  margin: 0;
  color: #b6bfca;
  font-size: 1rem;
  line-height: 1.72;
}

.doc-figure {
  width: 52%;
  float: right;
  margin: -26px 0 34px 44px;
  padding: 20px;
}

.doc-figure img {
  width: 100%;
  height: auto;
}

.doc-figure figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.5;
}

.callout {
  max-width: 980px;
  clear: both;
  margin-top: 26px;
  padding: 28px 34px;
  border: 1px solid rgba(66, 215, 255, 0.55);
}

.callout p {
  margin: 0;
  color: #cbd2da;
  font-size: 1rem;
}

.doc-aside section {
  padding: 38px 30px;
}

.doc-aside section + section {
  border-top: 1px solid var(--line);
}

.doc-aside h2 {
  margin-bottom: 22px;
}

.doc-aside li {
  position: relative;
  padding: 0 0 18px 20px;
  color: #b4bdc8;
  font-size: 0.84rem;
  line-height: 1.55;
}

.doc-aside section:first-child li::before {
  position: absolute;
  top: 0.58em;
  left: 0;
  width: 6px;
  height: 6px;
  content: "";
  border: 1px solid var(--cyan);
}

.related-list a {
  min-height: 54px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 24px;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.related-list li {
  padding: 0;
}

.related-list a:hover {
  color: var(--cyan);
}

/* Legal and utility pages */

.legal-page {
  padding: 78px 42px 110px;
}

.legal-page > h1 {
  max-width: 1120px;
}

.legal-page > .lead {
  max-width: 840px;
  margin-bottom: 70px;
}

.legal-grid,
.source-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.legal-grid section,
.source-list article {
  min-height: 270px;
  padding: 34px 38px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.legal-grid h2,
.source-list h2,
.update-note h2 {
  margin-bottom: 20px;
  font-size: 1.55rem;
}

.legal-grid p,
.source-list p,
.update-note p {
  color: var(--muted);
  line-height: 1.72;
}

.source-list a {
  color: var(--cyan);
}

.update-note {
  max-width: 1040px;
  margin-top: 64px;
  padding: 40px;
  border: 1px solid var(--line);
}

.update-note p {
  margin-bottom: 0;
}

.not-found {
  min-height: 670px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 42px;
}

.not-found h1 {
  max-width: 1080px;
}

.not-found .lead {
  max-width: 740px;
}

.error-code {
  margin: 0 0 24px;
  color: var(--orange);
}

.error-actions {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-top: 38px;
}

.error-actions > a:last-child {
  color: var(--muted);
}

/* Footer */

.site-footer {
  min-height: 150px;
  display: grid;
  grid-template-columns: 1.1fr 1.5fr auto;
  align-items: center;
  gap: 42px;
  border-top: 1px solid var(--line);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 28px;
}

.footer-brand p,
.copyright {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.footer-brand p {
  max-width: 220px;
}

.copyright {
  white-space: nowrap;
}

@media (max-width: 1280px) {
  .shell {
    width: min(var(--max-width), calc(100% - 48px));
  }

  .home-hero {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .hero-copy,
  .focus-copy,
  .quick-section h2,
  .directory-section h2,
  .latest-section h2 {
    padding-left: 0;
    margin-left: 0;
  }

  .doc-shell {
    grid-template-columns: 225px minmax(0, 1fr) 250px;
  }

  .doc-content {
    padding-inline: 38px;
  }

  .doc-toc {
    padding-inline: 22px;
  }

  .doc-aside section {
    padding-inline: 24px;
  }
}

@media (max-width: 1050px) {
  .desktop-nav {
    gap: 20px;
  }

  .focus-layout {
    gap: 38px;
  }

  .quick-grid > a,
  .game-directory > a,
  .latest-grid > a {
    padding-inline: 22px;
  }

  .doc-shell {
    grid-template-columns: 210px minmax(0, 1fr);
  }

  .doc-aside {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .doc-aside section + section {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .site-footer {
    grid-template-columns: 1fr auto;
    padding-block: 34px;
  }

  .site-footer nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
  }
}

@media (max-width: 820px) {
  body::before { left: 12px; }
  body::after { right: 12px; }

  .shell {
    width: calc(100% - 32px);
  }

  .site-header {
    position: relative;
    min-height: 76px;
  }

  .brand {
    gap: 10px;
    font-size: 1.08rem;
  }

  .brand img {
    width: 56px;
    height: 19px;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-menu {
    display: block;
  }

  .mobile-menu summary {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-size: 0.9rem;
    cursor: pointer;
    list-style: none;
  }

  .mobile-menu summary::-webkit-details-marker {
    display: none;
  }

  .mobile-menu summary img {
    width: 24px;
    height: 24px;
  }

  .mobile-menu nav {
    position: absolute;
    z-index: 20;
    top: 75px;
    right: 0;
    left: 0;
    display: grid;
    padding: 12px 0;
    border: 1px solid var(--line-strong);
    background: #0b141d;
    box-shadow: 0 22px 55px rgba(0, 0, 0, 0.42);
  }

  .mobile-menu nav a {
    min-height: 48px;
    display: flex;
    align-items: center;
    padding: 0 18px;
    text-decoration: none;
  }

  .mobile-menu nav a + a {
    border-top: 1px solid var(--line);
  }

  h1 {
    font-size: clamp(3.1rem, 14.2vw, 5.1rem);
  }

  h2 {
    font-size: clamp(2rem, 8.2vw, 3rem);
  }

  .home-hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 58px 0 26px;
  }

  .hero-copy {
    padding-inline: 22px;
  }

  .hero-copy .lead {
    font-size: 1.15rem;
  }

  .hero-copy .primary-action {
    margin-top: 30px;
  }

  .grid-note {
    display: none;
  }

  .hero-art {
    order: 2;
  }

  .hero-art img {
    width: 100%;
    margin-left: 0;
  }

  .quick-section {
    padding-block: 52px;
  }

  .quick-section h2 {
    margin-bottom: 26px;
  }

  .quick-grid,
  .game-directory,
  .latest-grid,
  .hub-index,
  .hub-notes,
  .legal-grid,
  .source-list {
    grid-template-columns: 1fr;
  }

  .quick-grid > a {
    min-height: 116px;
    grid-template-columns: 48px minmax(0, 1fr) 24px;
    padding: 22px 4px;
  }

  .quick-grid > a + a,
  .game-directory > a + a,
  .latest-grid > a + a {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .quick-grid .line-icon {
    width: 42px;
    height: 42px;
  }

  .focus-band {
    padding-block: 52px;
  }

  .focus-layout {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .focus-copy {
    padding-inline: 6px;
  }

  .focus-art {
    padding: 14px;
  }

  .directory-section,
  .latest-section {
    padding-block: 52px;
  }

  .game-directory > a {
    min-height: 118px;
    padding: 18px 4px;
  }

  .latest-grid > a {
    min-height: 170px;
    padding: 24px 4px;
  }

  .method-section {
    grid-template-columns: 1fr;
    gap: 30px;
    margin-block: 64px;
    padding: 32px 24px;
  }

  .hub-hero {
    min-height: 390px;
    padding: 62px 6px;
  }

  .hub-index > a {
    min-height: 126px;
    padding: 22px 6px;
  }

  .hub-index > a:nth-child(odd) {
    border-right: 0;
  }

  .hub-notes {
    padding-block: 52px 70px;
  }

  .hub-notes article {
    padding: 28px 6px;
  }

  .hub-notes article + article {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .doc-shell {
    display: block;
    border-top: 0;
  }

  .doc-toc {
    padding: 28px 22px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .doc-toc ol {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 20px;
  }

  .doc-content {
    padding: 42px 22px 54px;
  }

  .doc-content h1 {
    font-size: clamp(3rem, 12vw, 4.6rem);
  }

  .doc-figure {
    width: 100%;
    float: none;
    margin: 0 0 34px;
  }

  .doc-aside {
    display: block;
  }

  .doc-aside section + section {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .legal-page {
    padding: 62px 6px 84px;
  }

  .legal-page > .lead {
    margin-bottom: 52px;
  }

  .legal-grid section,
  .source-list article {
    min-height: auto;
    padding: 30px 24px;
  }

  .not-found {
    min-height: 590px;
    padding-inline: 6px;
  }

  .site-footer {
    min-height: 250px;
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 42px 6px;
  }

  .footer-brand {
    justify-content: space-between;
  }

  .site-footer nav {
    grid-column: auto;
    grid-row: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 24px;
  }
}

@media (max-width: 520px) {
  body {
    background-size: 48px 48px;
  }

  .brand span {
    font-size: 1.02rem;
  }

  h1 {
    font-size: clamp(3rem, 15vw, 4.35rem);
  }

  .home-hero {
    padding-top: 50px;
  }

  .primary-action {
    width: 100%;
    min-width: 0;
    min-height: 68px;
    padding-inline: 20px;
    font-size: 0.98rem;
  }

  .quick-grid small {
    display: none;
  }

  .quick-grid > a {
    min-height: 86px;
    grid-template-rows: auto;
    align-items: center;
  }

  .quick-grid .line-icon,
  .quick-grid .arrow-icon {
    grid-row: 1;
  }

  .game-directory > a {
    grid-template-columns: 54px minmax(0, 1fr) 24px;
    gap: 14px;
  }

  .game-mark {
    width: 48px;
    height: 48px;
  }

  .doc-toc ol {
    grid-template-columns: 1fr;
  }

  .doc-content {
    padding-inline: 18px;
  }

  .doc-section p,
  .legal-grid p,
  .source-list p {
    font-size: 0.96rem;
  }

  .callout {
    padding: 24px 20px;
  }

  .error-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-brand {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}