:root {
  color-scheme: dark;
  --header-bg: #c1e2c8;
  --header-text: #111713;
  --bg: #373837;
  --bg-alt: #303130;
  --text: #f7f7f4;
  --muted: #d3d6d2;
  --accent: #bfe3c7;
  --line: #5a5c5a;
  --max: 76rem;
}

html[data-theme="light"] {
  color-scheme: light;
  --header-bg: #b9ddc1;
  --header-text: #101511;
  --bg: #f4f6f4;
  --bg-alt: #e8eee9;
  --text: #202421;
  --muted: #545b56;
  --accent: #286b3b;
  --line: #cbd2cc;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Lato, Helvetica, sans-serif;
  font-size: 1rem;
  line-height: 1.55;
}

a {
  color: inherit;
}

.shell {
  width: min(calc(100% - 2.5rem), var(--max));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.skip-link {
  position: fixed;
  z-index: 100;
  left: 1rem;
  top: -4rem;
  padding: 0.7rem 1rem;
  background: #fff;
  color: #111;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  color: var(--header-text);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.16);
}

.nav {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  font-family: "Palatino Linotype", Palatino, "Book Antiqua", serif;
  font-size: 1.45rem;
  font-weight: 700;
  text-decoration: none;
}

.site-menu {
  display: flex;
  align-items: center;
  gap: 1.7rem;
}

.site-menu > a {
  position: relative;
  padding-block: 1.55rem 1.3rem;
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.site-menu > a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: transparent;
}

.site-menu > a:hover::after,
.site-menu > a:focus-visible::after,
.site-menu > a.active::after {
  background: var(--header-text);
}

.theme-toggle,
.menu-toggle {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 1.1rem;
  cursor: pointer;
}

.menu-toggle {
  display: none;
}

.hero {
  min-height: clamp(31rem, 70vh, 47rem);
  display: grid;
  align-items: center;
  position: relative;
  isolation: isolate;
  background: url("../images/matthew-mountains.webp") center 62% / cover
    no-repeat;
  color: #fff;
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(rgba(16, 20, 22, 0.35), rgba(16, 20, 22, 0.58));
}

.hero-content {
  padding-block: 5rem;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.8);
}

.hero h1 {
  margin: 0 0 1.35rem;
  font-family: "Palatino Linotype", Palatino, "Book Antiqua", serif;
  font-size: clamp(2.6rem, 6vw, 4.7rem);
  line-height: 1;
  letter-spacing: -0.025em;
}

.hero p {
  margin: 0.35rem 0;
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 600;
}

.section {
  padding-block: 4.5rem;
  text-align: center;
}

.section h1,
.section h2 {
  margin: 0 0 0.55rem;
  font-family: "Palatino Linotype", Palatino, "Book Antiqua", serif;
  font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.15;
}

.intro {
  max-width: var(--max);
}

.intro p {
  margin: 0.8rem 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.intro-layout {
  display: grid;
  grid-template-columns: minmax(13rem, 20rem) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.intro-photo-frame {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  border: 2px solid var(--line);
  border-radius: 50%;
}

.intro-photo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  transform: scale(3.5) translateX(2.3%) translateY(-7%);
}

.intro-copy {
  text-align: left;
}

.intro-copy h2 {
  text-align: left;
}

.section-alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--line);
}

.link-columns {
  margin-top: 2.8rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.link-columns article {
  display: flex;
  flex-direction: column;
  padding: 0.6rem 2rem 1.2rem;
  border-right: 1px solid var(--line);
}

.link-columns article:last-child {
  border-right: 0;
}

.link-columns h3 {
  margin: 0 0 0.65rem;
  font-family: "Palatino Linotype", Palatino, "Book Antiqua", serif;
  font-size: 1.25rem;
}

.link-columns p {
  margin: 0 0 0.8rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.link-columns a {
  margin-top: auto;
  color: var(--accent);
  font-weight: 700;
  text-underline-offset: 0.25rem;
}

.contact-section {
  padding-block: 4.5rem;
  background: var(--bg);
  color: var(--text);
}

.contact-page {
  min-height: calc(100vh - 9rem);
}

.contact-heading {
  margin-bottom: 3.5rem;
  text-align: center;
}

.contact-heading h1,
.contact-heading h2 {
  margin: 0 0 0.3rem;
  font-family: "Palatino Linotype", Palatino, "Book Antiqua", serif;
  font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.15;
}

.contact-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(3rem, 10vw, 8rem);
  row-gap: 3.5rem;
}

.contact-item {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.contact-item h3 {
  margin: 0 0 0.8rem;
  font-family: Lato, Helvetica, sans-serif;
  font-size: 1rem;
}

.contact-item p {
  margin: 0;
  color: var(--text);
}

.contact-item div > a {
  display: block;
  width: fit-content;
  margin-top: 0.5rem;
  color: var(--text);
  overflow-wrap: anywhere;
  text-underline-offset: 0.2rem;
}

.contact-icon {
  display: grid;
  place-items: center;
  width: 3.1rem;
  height: 3.1rem;
  border-radius: 50%;
  color: #fff;
  text-decoration: none;
  transition:
    transform 150ms ease,
    filter 150ms ease;
}

a.contact-icon:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.contact-icon svg {
  width: 1.65rem;
  height: 1.65rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-icon .icon-fill {
  fill: currentColor;
  stroke: none;
}

.contact-icon span {
  font-weight: 800;
}

.contact-icon-neutral {
  background: #65696c;
}

.contact-icon-location {
  background: #42b96e;
}

.contact-icon-linkedin {
  background: #2867b2;
  font-size: 1.35rem;
}

.contact-icon-instagram {
  background: #e90062;
}

.contact-icon-wca {
  background: transparent;
}

.contact-icon-wca img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer p {
  margin: 0;
}

.button {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.7rem 1rem;
  background: var(--header-bg);
  color: var(--header-text);
  font-weight: 700;
  text-decoration: none;
  border-radius: 0.2rem;
}

.education-page {
  padding-block: 4.5rem;
  text-align: left;
}

.education-page > h1 {
  margin: 0 0 2.5rem;
  font-family:
    "Palatino Linotype",
    Palatino,
    "Book Antiqua",
    serif;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  text-align: center;
}

.education-page > section {
  max-width: 58rem;
  margin-bottom: 2.75rem;
}

.education-page h2 {
  margin: 0 0 0.25rem;
  font-family:
    "Palatino Linotype",
    Palatino,
    "Book Antiqua",
    serif;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  line-height: 1.25;
}

.education-page ul {
  padding-left: 1.35rem;
}

.education-page li + li {
  margin-top: 0.35rem;
}

.education-narrative {
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
}

.education-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: none !important;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  padding-top: 1rem;
}

.education-gallery figure {
  margin: 0;
}

.education-gallery figcaption {
  margin-top: 0.9rem;
  font-size: 1rem;
  text-align: center;
}

.education-gallery img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.education-gallery a {
  color: var(--accent);
  font-weight: 700;
  text-underline-offset: 0.2rem;
}

.caption-arrow {
  color: #ef3f3f;
  font-weight: 800;
}

.academy-page {
  padding-block: 4.5rem;
}

.academy-intro {
  max-width: 50rem;
  margin: 0 auto 4rem;
  text-align: center;
}

.academy-intro > p:first-child {
  margin-bottom: 0.35rem;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
}

.academy-intro h1,
.academy-lessons h2 {
  font-family:
    "Palatino Linotype",
    Palatino,
    "Book Antiqua",
    serif;
}

.academy-intro h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.15;
}

.academy-intro > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.academy-founder {
  display: grid;
  grid-template-columns: minmax(14rem, 22rem) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
  margin-bottom: 4rem;
}

.academy-logo-frame {
  padding: clamp(1rem, 2vw, 1.5rem);
  background: #303130;
}

.academy-logo-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.academy-founder-quote {
  margin: 0;
  text-align: left;
}

.academy-founder-quote h2 {
  margin: 0 0 1.25rem;
  font-family:
    "Palatino Linotype",
    Palatino,
    "Book Antiqua",
    serif;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-style: normal;
  line-height: 1.15;
}

.academy-founder-quote p {
  margin: 0 0 1.15rem;
  color: var(--muted);
  font-style: italic;
}

.academy-founder-quote a {
  color: var(--accent);
  font-weight: 700;
  text-underline-offset: 0.2rem;
}

.academy-founder-quote footer {
  display: grid;
  gap: 0.1rem;
  margin-top: 1.75rem;
  font-style: normal;
}

.academy-founder-quote cite {
  font-weight: 700;
  font-style: normal;
}

.academy-founder-quote footer span {
  color: var(--muted);
}

.academy-lessons {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 1.15fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
  margin-bottom: 3rem;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--bg-alt);
  border-block: 1px solid var(--line);
}

.academy-lessons-copy {
  text-align: left;
}

.academy-lessons h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.15;
}

.academy-lessons-copy p {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.academy-video {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
  color: #fff;
  text-decoration: none;
}

.academy-video img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.academy-video::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.22);
  transition: background 150ms ease;
}

.academy-video:hover::after,
.academy-video:focus-visible::after {
  background: rgba(0, 0, 0, 0.08);
}

.academy-video-play {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 50%;
  display: grid;
  place-items: center;
  width: 4.5rem;
  height: 3.2rem;
  padding-left: 0.2rem;
  border-radius: 0.8rem;
  background: #ff0033;
  font-size: 1.7rem;
  transform: translate(-50%, -50%);
}

.academy-video-label {
  position: absolute;
  z-index: 1;
  right: 1rem;
  bottom: 1rem;
  padding: 0.45rem 0.75rem;
  border-radius: 0.35rem;
  background: rgba(0, 0, 0, 0.78);
  font-weight: 700;
}

.speedcubing-intro {
  text-align: center;
}

.speedcubing-intro h1,
.section-heading h2,
.competition-copy h2 {
  font-family:
    "Palatino Linotype",
    Palatino,
    "Book Antiqua",
    serif;
}

.speedcubing-intro h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2.6rem, 6vw, 4rem);
  line-height: 1.05;
}

.speedcubing-intro .hero-lede {
  margin-inline: auto;
}

.speedcubing-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(2rem, 6vw, 5rem);
  margin-top: 2.5rem;
}

.speedcubing-wca-link {
  text-align: left;
}

.speedcubing-actions .button {
  margin-top: 0;
}

.rankings-section,
.cubing-videos {
  padding-block: 4.5rem;
}

.section-heading {
  margin-bottom: 2.5rem;
  text-align: center;
}

.section-heading h2 {
  margin: 0 0 0.35rem;
  font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.15;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
}

.rankings-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
}

.ranking-item {
  padding-inline: clamp(1rem, 2.5vw, 2rem);
  text-align: center;
  border-right: 1px solid var(--line);
}

.ranking-item:last-child {
  border-right: 0;
}

.ranking-item h3 {
  min-height: 3rem;
  margin: 0 0 1rem;
  font-size: 1.05rem;
}

.ranking-item img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.ranking-item .cube-image {
  margin-inline: auto;
}

.ranking-item .cube-image-5 {
  transform: scale(0.94);
}

.ranking-item .cube-image-6 {
  transform: scale(1.1);
}

.ranking-item .cube-image-7 {
  transform: scale(1);
}

.ranking-number {
  margin: 1rem 0 0;
  color: var(--accent);
  font-family:
    "Palatino Linotype",
    Palatino,
    "Book Antiqua",
    serif;
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
}

.ranking-item p:not(.ranking-number) {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.ranking-item strong {
  color: var(--accent);
}

.competition-section {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(20rem, 0.85fr);
  gap: clamp(3rem, 7vw, 6rem);
  align-items: start;
}

.competition-copy h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.15;
}

.competition-copy p {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.competition-copy a {
  color: var(--accent);
  font-weight: 700;
  text-underline-offset: 0.2rem;
}

.competition-gallery {
  display: grid;
  grid-template-columns: 1.35fr 0.8fr;
  gap: 1rem;
}

.competition-gallery figure {
  margin: 0;
}

.competition-gallery img {
  display: block;
  width: 100%;
  height: auto;
}

.competition-gallery figure:last-child img {
  object-position: center top;
}

.competition-gallery figcaption {
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.cubing-video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.interest-index-heading,
.interest-page-heading {
  margin-bottom: 3rem;
  text-align: center;
}

.interest-index-heading h1,
.interest-page-heading h1,
.interest-links h2,
.chess-notes h2,
.sheet-heading h2,
.piano-intro h2 {
  font-family:
    "Palatino Linotype",
    Palatino,
    "Book Antiqua",
    serif;
}

.interest-index-heading h1,
.interest-page-heading h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2.6rem, 6vw, 4rem);
  line-height: 1.05;
}

.interest-index-heading .hero-lede,
.interest-page-heading .hero-lede {
  margin-inline: auto;
}

.more-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.more-buttons .button {
  min-width: 9rem;
  margin-top: 0;
  text-align: center;
}

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

.interest-links article {
  display: flex;
  flex-direction: column;
  min-height: 14rem;
  padding: 2rem;
  border-right: 1px solid var(--line);
}

.interest-links article:last-child {
  border-right: 0;
}

.interest-links h2 {
  margin: 0 0 0.75rem;
  font-size: 1.75rem;
}

.interest-links p {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.interest-links a {
  width: fit-content;
  margin-top: auto;
  color: var(--accent);
  font-weight: 700;
  text-underline-offset: 0.2rem;
}

.chess-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(20rem, 0.85fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.chess-notes h2,
.sheet-heading h2,
.piano-intro h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.2;
}

.game-details {
  display: grid;
  gap: 0.45rem;
  margin: 0 0 1.5rem;
  padding-block: 1rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.game-details div {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr);
  gap: 1rem;
}

.game-details dt {
  font-weight: 700;
}

.game-details dd {
  margin: 0;
  color: var(--muted);
}

.chess-notes p,
.chess-notes li,
.piano-intro p {
  color: var(--muted);
}

.chess-notes a {
  color: var(--accent);
  font-weight: 700;
  text-underline-offset: 0.2rem;
}

.chess-notes .button {
  color: var(--header-text);
  text-decoration: none;
}

.chess-notes ul {
  text-align: left;
}

.chess-moves {
  line-height: 1.7;
}

.chess-animation {
  position: sticky;
  top: 6rem;
  margin: 0;
}

.chess-animation img {
  display: block;
  width: 100%;
  height: auto;
}

.chess-animation figcaption {
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

.sheet-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}

.sheet-heading h2,
.sheet-heading .button {
  margin-top: 0;
  margin-bottom: 0;
}

.swimming-sheet {
  display: block;
  width: 100%;
  height: min(72vh, 52rem);
  min-height: 34rem;
  border: 1px solid var(--line);
  background: #fff;
}

.piano-intro {
  max-width: 48rem;
  margin-inline: auto;
}

.piano-feature {
  padding-block: 4.5rem;
}

.piano-feature-layout {
  display: grid;
  grid-template-columns: minmax(20rem, 1fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.piano-repertoire {
  text-align: left;
}

.piano-repertoire h2 {
  margin: 0 0 1.25rem;
  font-family:
    "Palatino Linotype",
    Palatino,
    "Book Antiqua",
    serif;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.2;
}

.piano-repertoire ul {
  margin: 0;
  padding-left: 1.3rem;
}

.piano-repertoire li + li {
  margin-top: 0.9rem;
}

.piano-repertoire span {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-style: italic;
}

.projects-intro {
  text-align: center;
}

.projects-intro h1,
.project-feature h2,
.document-redirect h1 {
  font-family:
    "Palatino Linotype",
    Palatino,
    "Book Antiqua",
    serif;
}

.projects-intro h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2.6rem, 6vw, 4rem);
  line-height: 1.05;
}

.projects-intro .hero-lede {
  margin-inline: auto;
}

.project-feature {
  padding-block: 4.5rem;
}

.project-feature-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(22rem, 0.85fr);
  gap: clamp(3rem, 7vw, 6rem);
  align-items: center;
}

.project-feature-copy h2,
.prime-preview-heading h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.15;
}

.project-date {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-weight: 700;
}

.project-feature-copy > p:not(.project-date),
.prime-preview-heading p {
  color: var(--muted);
}

.prediction-preview {
  margin: 0;
}

.prediction-preview img,
.prime-preview-grid img {
  display: block;
  width: 100%;
  height: auto;
}

.prediction-preview figcaption {
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

.prime-preview-heading {
  display: grid;
  grid-template-columns: minmax(18rem, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: end;
  margin-bottom: 2.5rem;
}

.prime-preview-heading p {
  max-width: 38rem;
  margin: 0;
}

.prime-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.prime-preview-grid figure {
  margin: 0;
}

.prime-preview-grid img {
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--line);
}

.prime-preview-grid .prime-image-dark {
  background: #1d1f1e;
}

.prime-preview-grid figcaption {
  margin-top: 0.85rem;
}

.prime-preview-grid figcaption strong,
.prime-preview-grid figcaption span {
  display: block;
}

.prime-preview-grid figcaption span {
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.prime-preview-note {
  margin: 3rem 0 0;
  color: var(--accent);
  font-weight: 700;
  text-align: center;
}

.document-redirect {
  display: grid;
  place-content: center;
  min-height: 100vh;
  text-align: center;
}

.document-redirect h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 5vw, 3rem);
}

.document-redirect a {
  color: var(--accent);
  font-weight: 700;
}

.prime-museum-intro {
  text-align: center;
}

.prime-museum-intro h1,
.museum-heading h2 {
  font-family:
    "Palatino Linotype",
    Palatino,
    "Book Antiqua",
    serif;
}

.prime-museum-intro h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2.6rem, 6vw, 4rem);
  line-height: 1.05;
}

.prime-museum-intro .hero-lede {
  margin-inline: auto;
}

.museum-section {
  padding-block: 4.5rem;
}

.museum-heading {
  margin-bottom: 2.5rem;
  text-align: center;
}

.museum-heading h2 {
  margin: 0 0 0.45rem;
  font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.15;
}

.museum-heading p {
  margin: 0;
  color: var(--muted);
}

.visual-prime-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
}

.visual-prime {
  display: flex;
  flex-direction: column;
}

.visual-prime img {
  display: block;
  width: 100%;
  aspect-ratio: 0.78;
  object-fit: cover;
  object-position: center top;
  border: 1px solid var(--line);
  background: #fff;
}

.visual-prime h3 {
  margin: 1rem 0 0.35rem;
  font-family:
    "Palatino Linotype",
    Palatino,
    "Book Antiqua",
    serif;
  font-size: 1.35rem;
}

.visual-prime p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.visual-prime > a,
.museum-links {
  margin-top: auto;
}

.visual-prime a {
  width: fit-content;
  color: var(--accent);
  font-weight: 700;
  text-underline-offset: 0.2rem;
}

.museum-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.museum-list-layout {
  display: grid;
  grid-template-columns: minmax(15rem, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: start;
}

.museum-heading-left {
  margin: 0;
  text-align: left;
}

.museum-document-list {
  border-top: 1px solid var(--line);
}

.museum-document-list > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1rem;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.museum-document-list > a:hover strong,
.museum-document-list > a:focus-visible strong {
  color: var(--accent);
}

.museum-document-list span,
.museum-document-list strong,
.museum-document-list small {
  display: block;
}

.museum-document-list small {
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.museum-document-list em {
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 0.78rem;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.06em;
}

@media (max-width: 58rem) {
  .rankings-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 2.5rem;
  }

  .ranking-item:nth-child(2) {
    border-right: 0;
  }

  .competition-section {
    grid-template-columns: 1fr;
  }

  .chess-feature {
    grid-template-columns: 1fr;
  }

  .piano-feature-layout {
    grid-template-columns: 1fr;
  }

  .project-feature-layout {
    grid-template-columns: 1fr;
  }

  .museum-list-layout {
    grid-template-columns: 1fr;
  }

  .chess-animation {
    position: static;
    width: min(100%, 34rem);
    margin-inline: auto;
  }
}

@media (max-width: 38rem) {
  .speedcubing-actions {
    flex-direction: column;
  }

  .rankings-grid,
  .cubing-video-grid,
  .competition-gallery,
  .interest-links {
    grid-template-columns: 1fr;
  }

  .prime-preview-heading,
  .prime-preview-grid,
  .visual-prime-grid {
    grid-template-columns: 1fr;
  }

  .interest-links article {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .interest-links article:last-child {
    border-bottom: 0;
  }

  .game-details div {
    grid-template-columns: 1fr;
    gap: 0.05rem;
  }

  .sheet-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .swimming-sheet {
    min-height: 28rem;
  }

  .ranking-item {
    padding: 0 0 2rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .ranking-item:last-child {
    border-bottom: 0;
  }

  .competition-gallery img {
    height: auto;
    max-height: 28rem;
  }
}

:focus-visible {
  outline: 3px solid #5b91ff;
  outline-offset: 3px;
}

@media (max-width: 70rem) {
  .menu-toggle {
    display: grid;
    gap: 4px;
  }

  .menu-toggle span[aria-hidden] {
    display: block;
    width: 1.15rem;
    height: 2px;
    background: currentColor;
  }

  .site-menu {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: calc(100% + 0.45rem);
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 0.65rem;
    background: var(--header-bg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.24);
  }

  .site-menu.open {
    display: flex;
  }

  .site-menu > a {
    padding: 0.72rem;
  }

  .site-menu > a::after {
    display: none;
  }

  .theme-toggle {
    margin: 0.3rem 0.45rem;
  }
}

@media (max-width: 52rem) {
  .shell {
    width: min(calc(100% - 1.5rem), var(--max));
  }

  .hero {
    min-height: 38rem;
    background-position: 54% center;
  }

  .hero-content {
    align-self: start;
    padding-top: 4rem;
  }

  .hero h1 {
    font-size: 2.9rem;
  }

  .hero p {
    max-width: 30rem;
    margin-inline: auto;
  }

  .section {
    padding-block: 3.5rem;
  }

  .intro-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .intro-photo-frame {
    width: min(70vw, 18rem);
    margin-inline: auto;
  }

  .link-columns {
    grid-template-columns: 1fr 1fr;
    row-gap: 2.2rem;
  }

  .link-columns article:nth-child(2) {
    border-right: 0;
  }

  .link-columns p {
    min-height: 0;
  }
}

@media (max-width: 34rem) {
  .link-columns {
    grid-template-columns: 1fr;
  }

  .link-columns article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding-block: 1.4rem;
  }

  .link-columns article:last-child {
    border-bottom: 0;
  }

  .footer {
    flex-direction: column;
    gap: 0.25rem;
  }
}

@media (max-width: 45rem) {
  .contact-grid {
    grid-template-columns: 1fr;
    row-gap: 2.5rem;
  }

  .contact-heading {
    margin-bottom: 2.5rem;
  }

  .education-gallery {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 52rem) {
  .academy-page {
    padding-block: 3.5rem;
  }

  .academy-intro {
    margin-bottom: 2.5rem;
  }

  .academy-lessons {
    grid-template-columns: 1fr;
    padding: 1.25rem;
  }

  .academy-founder {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .academy-logo-frame {
    width: min(80vw, 20rem);
    margin-inline: auto;
  }
}

.courses-page {
  padding-block: 4.5rem;
}

.courses-header {
  max-width: 50rem;
  margin: 0 auto 4rem;
  text-align: center;
}

.courses-header > p:first-child {
  margin-bottom: 0.35rem;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.courses-header h1 {
  margin: 0 0 1.25rem;
  font-family:
    "Palatino Linotype",
    Palatino,
    "Book Antiqua",
    serif;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.05;
}

.courses-header a,
.courses-register a {
  color: var(--accent);
  font-weight: 700;
  text-underline-offset: 0.2rem;
}

.course-list {
  border-top: 1px solid var(--line);
}

.course {
  display: grid;
  grid-template-columns: minmax(18rem, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 6vw, 5rem);
  padding-block: 3rem;
  border-bottom: 1px solid var(--line);
}

.course h2,
.course h3 {
  font-family:
    "Palatino Linotype",
    Palatino,
    "Book Antiqua",
    serif;
}

.course h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.65rem, 3vw, 2.15rem);
  line-height: 1.2;
}

.course-details {
  display: grid;
  gap: 0.5rem;
  margin: 0;
}

.course-details div {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1rem;
}

.course-details dt {
  font-weight: 700;
}

.course-details dd {
  margin: 0;
  color: var(--muted);
}

.course-outline h3 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
}

.course-outline ol {
  margin: 0;
  padding-left: 1.4rem;
}

.course-outline li + li {
  margin-top: 0.45rem;
}

.course-outline-grouped h3:not(:first-child) {
  margin-top: 1.5rem;
}

.course-note {
  margin-top: 1.5rem;
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--bg-alt);
  color: var(--muted);
}

.courses-register {
  margin: 3rem 0 1rem;
  font-size: 1.1rem;
}

@media (max-width: 52rem) {
  .courses-page {
    padding-block: 3.5rem;
  }

  .courses-header {
    margin-bottom: 2.5rem;
  }

  .course {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 34rem) {
  .course-details div {
    grid-template-columns: 1fr;
    gap: 0.05rem;
  }
}

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