:root {
  --background: #fbfbfa;
  --surface: #ffffff;
  --surface-muted: #f1f3f5;
  --text: #1d2025;
  --muted: #69727e;
  --faint: #9aa2ac;
  --line: #dfe3e7;
  --accent: #275fc7;
  --accent-wash: #edf3ff;
  --background-glow: #dce9ff;
  --note: #fff8e5;
  --note-line: #d9b85d;
  --code: #eef0f2;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #111316;
    --surface: #191c21;
    --surface-muted: #23272e;
    --text: #edf0f4;
    --muted: #9ca5b0;
    --faint: #747d88;
    --line: #303640;
    --accent: #83adff;
    --accent-wash: #1b2c4d;
    --background-glow: #1b2c4d;
    --note: #2c2718;
    --note-line: #947c3d;
    --code: #22262d;
  }
}

:root[data-theme="light"] {
  --background: #fbfbfa;
  --surface: #ffffff;
  --surface-muted: #f1f3f5;
  --text: #1d2025;
  --muted: #69727e;
  --faint: #9aa2ac;
  --line: #dfe3e7;
  --accent: #275fc7;
  --accent-wash: #edf3ff;
  --background-glow: #dce9ff;
  --note: #fff8e5;
  --note-line: #d9b85d;
  --code: #eef0f2;
}
:root[data-theme="dark"] {
  --background: #111316;
  --surface: #191c21;
  --surface-muted: #23272e;
  --text: #edf0f4;
  --muted: #9ca5b0;
  --faint: #747d88;
  --line: #303640;
  --accent: #83adff;
  --accent-wash: #1b2c4d;
  --background-glow: #1b2c4d;
  --note: #2c2718;
  --note-line: #947c3d;
  --code: #22262d;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--text);
  background: radial-gradient(
    ellipse 90% 70% at 50% 0%,
    var(--background-glow) 0%,
    var(--background) 100%
  );
  background-attachment: fixed;
  font:
    16px/1.6 -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  -webkit-font-smoothing: antialiased;
}
.container {
  width: min(100% - 48px, 1040px);
  margin: 0 auto;
}
a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Site chrome */
.site-header {
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  min-height: 68px;
  gap: 10px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
}
.brand:hover {
  color: var(--text);
  text-decoration: none;
}
.brand img {
  width: 25px;
  height: 25px;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 21px;
  margin-left: auto;
}
.site-header nav a {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1;
}
.site-header nav a:hover {
  color: var(--text);
}
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.theme-icon {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}
.icon-moon {
  display: none;
  fill: currentColor;
  stroke: none;
}
.theme-toggle[data-theme="dark"] .icon-sun {
  display: none;
}
.theme-toggle[data-theme="dark"] .icon-moon {
  display: block;
}

/* Landing page */
.intro {
  max-width: 660px;
  padding: 82px 0 72px;
}
.intro h1 {
  margin: 0 0 13px;
  font-size: 2.35rem;
  font-weight: 750;
  letter-spacing: -0.04em;
  line-height: 1.1;
}
.intro p {
  max-width: 58ch;
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}
.section-rule {
  padding: 38px 0 58px;
}
.section-heading {
  margin-bottom: 28px;
}
.section-heading h2,
.start h2 {
  margin: 0;
  font-size: 1.32rem;
  letter-spacing: -0.025em;
}
.downloads .section-heading h2 {
  font-size: 1.75rem;
  letter-spacing: -0.035em;
}
.section-kicker {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.section-description {
  max-width: 58ch;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}
.start {
  display: block;
}
.guide-links {
  display: flex;
  gap: 23px;
  margin-top: 17px;
}
.text-link {
  color: var(--text);
  font-weight: 600;
}
.text-link span {
  margin-left: 4px;
  color: var(--accent);
}
.text-link:hover {
  color: var(--accent);
}

/* Download wizard */
.wizard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 22px 0 25px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.download-panel {
  padding: 0 20px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}
.wizard-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.wizard-field label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}
select {
  width: 100%;
  min-height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  background: var(--surface);
  font: inherit;
  font-size: 0.9rem;
}
select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.wizard-result {
  min-height: 132px;
}
.selected-build {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 22px 0 8px;
}
.selected-label {
  margin: 0 0 2px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.selected-meta {
  margin: 0 0 8px;
  font-size: 0.92rem;
}
.filename {
  display: inline-block;
  max-width: 100%;
  overflow-wrap: anywhere;
  color: var(--muted);
  background: var(--code);
  font-size: 0.82rem;
}
.selected-actions {
  display: flex;
  align-items: center;
  gap: 15px;
  flex: 0 0 auto;
}
.guide-link {
  font-size: 0.88rem;
  font-weight: 650;
}
.download-link {
  flex: 0 0 auto;
  padding: 9px 17px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--accent);
  background: var(--accent-wash);
  font-size: 0.9rem;
  font-weight: 700;
}
.download-link:hover {
  color: var(--accent);
  background: var(--surface);
  text-decoration: none;
}
.unavailable {
  margin: 24px 0 8px;
  color: var(--muted);
  font-size: 0.92rem;
}
.chmod-note {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 7px;
  margin: 4px 0 0;
  padding: 13px 15px;
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
  color: var(--text);
  background: var(--accent-wash);
  font-size: 0.88rem;
}
.chmod-note strong {
  font-weight: 700;
}
.chmod-note code {
  flex-basis: 100%;
  width: fit-content;
  margin-top: 3px;
  color: var(--text);
}
[hidden] {
  display: none !important;
}

/* Complete fallback catalogue */
.all-downloads {
  margin-top: 112px;
  padding-top: 60px;
}
.version-group {
  margin: 0 0 10px;
  border-bottom: 1px solid var(--line);
}
.version-group summary {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 15px 2px;
  cursor: pointer;
  list-style-position: outside;
  font-size: 1rem;
  font-weight: 700;
}
.version-group summary::marker {
  color: var(--accent);
}
.version-group summary small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 500;
}
.version-group[open] summary {
  margin-bottom: 9px;
}
.catalogue {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.87rem;
}
.catalogue th,
.catalogue td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.catalogue th {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.catalogue td:first-child {
  font-weight: 650;
}
.catalogue code {
  color: var(--muted);
  font-size: 0.78rem;
}
.catalogue a {
  white-space: nowrap;
}
.channel {
  color: var(--muted);
}

/* Code and notes */
code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--code);
  border-radius: 4px;
}
code {
  padding: 1px 5px;
}
pre {
  max-width: 460px;
  margin: 10px 0 0;
  padding: 11px 14px;
  overflow-x: auto;
  border: 1px solid var(--line);
  line-height: 1.45;
}
.alert {
  margin: 0 0 20px;
  padding: 12px 15px;
  border-left: 3px solid var(--note-line);
  color: var(--text);
  background: var(--note);
  font-size: 0.92rem;
}
.alert .title {
  font-weight: 700;
}

/* Guide pages */
.guide {
  padding: 58px 0 20px;
}
.guide h1 {
  margin: 0 0 18px;
  font-size: 2.25rem;
  letter-spacing: -0.04em;
  line-height: 1.05;
}
.guide h2 {
  margin: 42px 0 12px;
  font-size: 1.45rem;
  letter-spacing: -0.025em;
}
.guide h3 {
  margin: 26px 0 9px;
  font-size: 1.1rem;
}
.guide h4 {
  margin: 19px 0 7px;
  font-size: 0.98rem;
}
.guide p,
.guide ul,
.guide ol {
  max-width: none;
}
.guide p {
  margin: 0 0 14px;
}
.guide ul,
.guide ol {
  margin: 0 0 15px;
}
.guide li {
  margin-bottom: 4px;
}
.guide blockquote {
  max-width: none;
  margin: 18px 0;
  padding: 13px 17px;
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
  background: var(--accent-wash);
}
.guide strong {
  font-weight: 650;
}
.guide table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.guide table th,
.guide table td {
  padding: 7px 10px;
  border: 1px solid var(--line);
  text-align: left;
}
.guide table th {
  color: var(--muted);
}
.guide img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 9px 0 22px;
  border: 1px solid var(--line);
  border-radius: 7px;
}
.guide hr {
  margin: 28px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.site-footer {
  margin-top: 18px;
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}
.code-signing {
  margin: 12px 0 0;
  font-size: 0.82rem;
}
.code-signing strong {
  color: var(--text);
  font-weight: 700;
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 32px, 1040px);
  }
  .site-header .header-inner {
    min-height: 60px;
  }
  .site-header nav {
    gap: 12px;
  }
  .site-header nav a:last-child {
    display: none;
  }
  .theme-toggle {
    width: 30px;
    height: 30px;
  }
  .intro {
    padding: 55px 0 43px;
  }
  .intro h1 {
    font-size: 2.05rem;
  }
  .section-description {
    margin-top: 8px;
    text-align: left;
  }
  .guide-links {
    flex-wrap: wrap;
    margin-top: 16px;
  }
  .wizard {
    grid-template-columns: repeat(2, 1fr);
  }
  .download-panel {
    padding-right: 12px;
    padding-left: 12px;
  }
  .selected-build {
    display: block;
  }
  .selected-actions {
    margin-top: 16px;
  }
  .download-link {
    display: inline-block;
    margin-top: 16px;
  }
  .catalogue {
    min-width: 650px;
  }
  .all-downloads {
    overflow-x: auto;
  }
}

@media (max-width: 420px) {
  .wizard {
    grid-template-columns: 1fr;
  }
  .guide-links {
    display: grid;
    gap: 10px;
  }
}