:root {
  color-scheme: light dark;
  --page: #f4f7f9;
  --surface: #ffffff;
  --surface-muted: #eaf0f4;
  --text: #17212b;
  --muted: #536472;
  --navy: #081722;
  --accent: #226184;
  --accent-strong: #164c69;
  --cyan: #9dd7e5;
  --border: #ccd8df;
  --focus: #0070c0;
  --testing-bg: #d9eef5;
  --testing-text: #164c69;
  --experimental-bg: #e4e9ed;
  --experimental-text: #394a56;
  --radius: 12px;
  --shadow: 0 16px 45px rgb(8 23 34 / 12%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #0c1217;
    --surface: #131c23;
    --surface-muted: #1a2730;
    --text: #edf3f6;
    --muted: #b4c2cb;
    --accent: #8dcde0;
    --accent-strong: #b5e1ec;
    --border: #33434e;
    --focus: #efb83f;
    --testing-bg: #173b4a;
    --testing-text: #b8e6f1;
    --experimental-bg: #283640;
    --experimental-text: #d2dce2;
    --shadow: 0 18px 50px rgb(0 0 0 / 30%);
  }
}

* {
  box-sizing: border-box;
}

html {
  background: var(--page);
}

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizelegibility;
}

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

a {
  color: var(--accent-strong);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 0.14em;
}

a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: #081722;
  background: var(--focus);
  border-radius: 6px;
  transform: translateY(-160%);
}

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

.site-shell {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  color: #ffffff;
  background: var(--navy);
  border-bottom: 1px solid rgb(157 215 229 / 22%);
}

.header-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding-block: 10px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
  min-height: 44px;
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 720;
  text-decoration: none;
}

.brand img {
  border-radius: 9px;
}

.site-navigation,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px 18px;
}

.site-navigation a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: #d8e6ec;
  font-size: 0.92rem;
  font-weight: 620;
  text-decoration: none;
}

.site-navigation a:hover {
  color: #ffffff;
}

.overview {
  position: relative;
  overflow: hidden;
  color: #ffffff;
  background: var(--navy);
}

.overview::before,
.overview::after {
  position: absolute;
  content: "";
  pointer-events: none;
  border: 1px solid rgb(157 215 229 / 22%);
  border-radius: 50%;
}

.overview::before {
  width: 360px;
  height: 360px;
  top: -220px;
  right: 4vw;
}

.overview::after {
  width: 130px;
  height: 130px;
  top: 88px;
  right: 26vw;
}

.overview-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(460px, 1.12fr);
  align-items: center;
  gap: clamp(40px, 6vw, 88px);
  min-height: 650px;
  padding-block: 74px 82px;
}

.eyebrow,
.section-index {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.overview h1 {
  margin: 0;
  font-size: clamp(3.2rem, 7vw, 6.4rem);
  font-weight: 760;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.overview-lead {
  max-width: 670px;
  margin: 28px 0 0;
  color: #ffffff;
  font-size: clamp(1.25rem, 2.2vw, 1.72rem);
  line-height: 1.35;
}

.overview-detail {
  max-width: 660px;
  margin: 20px 0 0;
  color: #bdcdd5;
  font-size: 1.02rem;
}

.development-status {
  margin: 24px 0 0;
  padding-left: 14px;
  color: #dbe7ec;
  border-left: 3px solid var(--cyan);
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 0.94rem;
  font-weight: 720;
  text-decoration: none;
}

.action-primary {
  color: #07141c;
  background: var(--cyan);
}

.action-secondary {
  color: #ffffff;
  background: rgb(255 255 255 / 4%);
  border-color: rgb(255 255 255 / 28%);
}

.overview-figure {
  margin: 0;
}

.overview-figure img {
  width: 100%;
  border: 1px solid rgb(255 255 255 / 22%);
  border-radius: var(--radius);
  box-shadow: 0 28px 80px rgb(0 0 0 / 35%);
}

.overview-figure figcaption {
  margin-top: 11px;
  color: #aebfc8;
  font-size: 0.84rem;
}

.content-section {
  padding-block: clamp(72px, 9vw, 118px);
}

.section-muted {
  background: var(--surface-muted);
  border-block: 1px solid var(--border);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.25rem);
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.section-heading p:not(.section-index) {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.section-index {
  color: var(--accent);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
}

caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

th,
td {
  padding: 16px 15px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

thead th {
  color: var(--muted);
  background: var(--surface-muted);
  font-size: 0.74rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

tbody th {
  font-weight: 720;
}

tbody tr:last-child th,
tbody tr:last-child td {
  border-bottom: 0;
}

.capability-table {
  table-layout: fixed;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.capability-table th:first-child {
  width: 18%;
}

.capability-table th:nth-child(2),
.capability-table th:nth-child(3) {
  width: 17%;
}

.capability-table th:nth-child(4),
.capability-table th:nth-child(5) {
  width: 24%;
}

.technical-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.technical-panel {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.technical-panel h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.technical-panel p {
  margin: 0;
  color: var(--muted);
}

.split-layout,
.platform-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(48px, 8vw, 110px);
  align-items: start;
}

.format-list {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.format-list div {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 18px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--border);
}

.format-list div:last-child {
  border-bottom: 0;
}

.format-list dt {
  font-weight: 740;
}

.format-list dd {
  margin: 0;
  color: var(--muted);
}

.platform-table {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.platform-table th,
.platform-table td {
  padding: 14px 18px;
}

.status {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.03em;
}

.status-testing {
  color: var(--testing-text);
  background: var(--testing-bg);
}

.status-experimental {
  color: var(--experimental-text);
  background: var(--experimental-bg);
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.screenshot-grid figure {
  margin: 0;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.screenshot-grid img {
  width: 100%;
  border-bottom: 1px solid var(--border);
}

.screenshot-grid figcaption {
  padding: 18px 20px 20px;
  color: var(--muted);
  font-size: 0.92rem;
}

.screenshot-grid figcaption strong {
  color: var(--text);
}

.site-footer {
  padding-block: 56px 32px;
  color: #c5d3da;
  background: var(--navy);
}

.footer-layout {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  gap: 36px;
  align-items: start;
}

.footer-layout p {
  margin: 6px 0 0;
}

.footer-title {
  color: #ffffff;
  font-size: 1.2rem;
  font-weight: 740;
}

.footer-links {
  justify-content: flex-end;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: #d8e6ec;
  font-size: 0.91rem;
}

.attribution {
  margin-top: 34px;
  padding-top: 26px;
  color: #9fb1ba;
  border-top: 1px solid rgb(255 255 255 / 15%);
  font-size: 0.86rem;
}

.attribution p {
  max-width: 900px;
  margin: 0;
}

@media (max-width: 980px) {
  .header-layout {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
    padding-block: 12px;
  }

  .overview-layout,
  .split-layout,
  .platform-layout {
    grid-template-columns: 1fr;
  }

  .overview-layout {
    min-height: auto;
    padding-block: 64px 72px;
  }

  .overview-figure {
    max-width: 760px;
  }

  .technical-grid,
  .screenshot-grid {
    grid-template-columns: 1fr;
  }

  .screenshot-grid figure {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(220px, 0.55fr);
    align-items: center;
  }

  .screenshot-grid img {
    border-right: 1px solid var(--border);
    border-bottom: 0;
  }
}

@media (max-width: 760px) {
  .site-shell {
    width: min(100% - 28px, 1180px);
  }

  .site-navigation {
    gap: 0 14px;
  }

  .overview h1 {
    font-size: clamp(3rem, 18vw, 4.7rem);
  }

  .overview::after {
    display: none;
  }

  .capability-table,
  .capability-table tbody,
  .capability-table tr,
  .capability-table th,
  .capability-table td {
    display: block;
    width: 100%;
  }

  .capability-table {
    background: transparent;
    border: 0;
    box-shadow: none;
  }

  .capability-table thead {
    display: none;
  }

  .capability-table tr {
    margin-bottom: 14px;
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
  }

  .capability-table th,
  .capability-table td {
    display: grid;
    grid-template-columns: minmax(106px, 0.42fr) minmax(0, 1fr);
    gap: 14px;
    padding: 13px 15px;
  }

  .capability-table th::before,
  .capability-table td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.69rem;
    font-weight: 760;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .capability-table tbody tr:last-child th,
  .capability-table tbody tr:last-child td {
    border-bottom: 1px solid var(--border);
  }

  .capability-table tbody tr th:last-child,
  .capability-table tbody tr td:last-child {
    border-bottom: 0;
  }

  .format-list div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .screenshot-grid figure {
    display: block;
  }

  .screenshot-grid img {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

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

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .overview-layout {
    padding-block: 52px 58px;
  }

  .action-row,
  .action {
    width: 100%;
  }

  .content-section {
    padding-block: 64px;
  }

  .capability-table th,
  .capability-table td {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}