:root {
  color-scheme: light dark;

  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;

  /* Cadence palette (src/app/mod.rs), one declaration per token. */
  --canvas: light-dark(#fbfaf9, #121212);
  --surface: light-dark(#ffffff, #1a1a1a);
  --surface-raised: light-dark(#f2f0ed, #292929);
  --selection: light-dark(#d8ecfc, #183b56);
  --text-primary: light-dark(#171717, #f5f3ef);
  --text: light-dark(#494440, #d5d1cb);
  --text-muted: light-dark(#757373, #a09d99);
  --border: light-dark(#e8e8e8, #414141);
  --link: light-dark(#0066cc, #2997ff);

  --accent: light-dark(#171717, #f5f3ef);
  --accent-hover: light-dark(#121212, #ffffff);
  --on-accent: light-dark(#ffffff, #171717);

  --nav-bg: light-dark(rgba(251, 250, 249, 0.72), rgba(18, 18, 18, 0.72));
  --code-bg: var(--surface-raised);
  --shadow-logo: light-dark(rgba(0, 0, 0, 0.14), rgba(0, 0, 0, 0.6));

  --radius-lg: 24px;
  --radius-pill: 980px;
  --page-width: 1040px;
  --measure: 692px;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--canvas);
  color: var(--text-primary);
  line-height: 1.5;
  text-wrap: pretty;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--link);
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 3px;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--page-width);
  margin-inline: auto;
  padding-block: 12px;
  padding-inline: 24px;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.nav-logo {
  border-radius: 7px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
}

.nav-links a {
  color: var(--text-muted);
}

.hero {
  text-align: center;
  padding-block: clamp(64px, 12vw, 128px) clamp(32px, 6vw, 56px);
  padding-inline: 24px;
}

.hero-logo {
  width: 88px;
  height: 88px;
  margin-inline: auto;
  margin-block-end: 28px;
  border-radius: 20px;
  box-shadow: 0 2px 8px var(--shadow-logo), 0 16px 40px var(--shadow-logo);
}

.hero h1 {
  margin: 0;
  font-size: clamp(44px, 8vw, 72px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  text-wrap: balance;
}

.tagline {
  margin-block-start: 18px;
  margin-inline: auto;
  max-width: 30ch;
  font-size: clamp(20px, 3vw, 26px);
  color: var(--text);
  letter-spacing: -0.01em;
}

.subtitle {
  margin-block-start: 14px;
  margin-inline: auto;
  max-width: 46ch;
  font-size: 17px;
  color: var(--text-muted);
}

.actions {
  margin-block-start: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding-block: 14px;
  padding-inline: 26px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: var(--on-accent);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.button .icon {
  flex: none;
}

.meta {
  margin-block-start: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.shot {
  max-width: var(--page-width);
  margin-inline: auto;
  padding-inline: 24px;
  padding-block-end: clamp(80px, 12vw, 140px);
}

.shot-frame {
  position: relative;
}

.screenshot {
  width: 100%;
  height: auto;
}

.mascot {
  position: absolute;
  left: 22%; /* over the sidebar, on the window's flat top edge */
  top: 4.06%;
  width: clamp(48px, 7vw, 88px);
  height: auto;
  transform: translateY(-100%);
  filter: drop-shadow(0 8px 12px var(--shadow-logo));
}

.page-head {
  max-width: var(--measure);
  margin-inline: auto;
  padding-block: clamp(56px, 9vw, 96px) 8px;
  padding-inline: 24px;
}

.page-head h1 {
  margin: 0;
  font-size: clamp(36px, 6vw, 52px);
  font-weight: 600;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-head p {
  margin-block-start: 12px;
  font-size: 19px;
  color: var(--text-muted);
}

.empty {
  max-width: var(--measure);
  margin-inline: auto;
  margin-block: 32px;
  padding-inline: 24px;
  color: var(--text-muted);
}

.releases {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: var(--measure);
  margin-inline: auto;
  padding-block: clamp(24px, 4vw, 40px) 120px;
  padding-inline: 24px;
}

.release {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding-block: 26px 24px;
  padding-inline: 30px;
  background: var(--surface);
}

.release-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.release-head h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.badge {
  padding-block: 3px;
  padding-inline: 9px;
  border-radius: var(--radius-pill);
  background: var(--selection);
  color: var(--link);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.release-head time {
  font-size: 14px;
  color: var(--text-muted);
}

.release-notes {
  margin-block-start: 16px;
  font-size: 15.5px;
  color: var(--text);
}

.release-notes > :first-child {
  margin-block-start: 0;
}

.release-notes > :last-child {
  margin-block-end: 0;
}

.release-notes :is(h2, h3) {
  margin-block: 20px 8px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.release-notes p {
  margin-block: 10px;
}

.release-notes ul {
  margin-block: 10px;
  padding-inline-start: 22px;
}

.release-notes li {
  margin-block: 5px;
}

.release-notes strong {
  color: var(--text-primary);
}

.release-notes code {
  padding-block: 2px;
  padding-inline: 6px;
  border-radius: 6px;
  background: var(--code-bg);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.release-notes pre {
  padding-block: 14px;
  padding-inline: 16px;
  border-radius: 14px;
  background: var(--code-bg);
  overflow: auto;
}

.release-notes pre code {
  padding: 0;
  background: none;
}

.release-notes hr {
  margin-block: 18px;
  border: none;
  border-top: 1px solid var(--border);
}

.release-download {
  margin-block: 18px 0;
  font-size: 15px;
  font-weight: 500;
}

.footer {
  padding-block: 40px 56px;
  padding-inline: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

.footer p {
  margin-block: 6px;
}

.footer a {
  color: var(--text-muted);
}

@media (hover: hover) {
  a:hover {
    text-decoration: underline;
  }

  .nav-brand:hover {
    text-decoration: none;
  }

  .nav-links a:hover {
    color: var(--text-primary);
    text-decoration: none;
  }

  .button:hover {
    background: var(--accent-hover);
    text-decoration: none;
  }

  .button:active {
    transform: scale(0.98);
  }

  .footer a:hover {
    color: var(--text-primary);
    text-decoration: none;
  }
}

@media (max-width: 520px) {
  .release {
    padding-block: 22px 20px;
    padding-inline: 20px;
  }

  .nav-inner {
    padding-inline: 18px;
  }

  .nav-links {
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .button {
    transition: none;
  }
}