:root {
  color-scheme: light;
  --bg: oklch(100% 0 89.88);
  --surface: oklch(98.42% 0.0034 247.86);
  --fg: oklch(20.06% 0.002 286.22);
  --muted: oklch(55.44% 0.0407 257.42);
  --border: oklch(92.76% 0.0058 264.53);
  --accent: oklch(29.39% 0.0036 286.18);
  --accent-on: oklch(100% 0 89.88);
  --accent-hover: color-mix(in oklab, var(--accent), white 14%);
  --accent-active: color-mix(in oklab, var(--accent), black 10%);
  --font-display: "Rubik", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --font-body: "Rubik", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --space-2: 8px;
  --space-6: 24px;
  --tracking-display: -0.02em;
  --radius-pill: 9999px;
  --focus-ring: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent);
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --container-max: 1180px;
  --container-gutter-desktop: 24px;
  --container-gutter-phone: 16px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: oklch(0% 0 0);
  --surface: oklch(20.06% 0.002 286.22);
  --fg: oklch(98.42% 0.0034 247.86);
  --muted: oklch(74.39% 0.0298 254.06);
  --border: color-mix(in oklab, var(--fg), transparent 84%);
  --accent: oklch(100% 0 89.88);
  --accent-on: oklch(0% 0 0);
  --accent-hover: color-mix(in oklab, var(--accent), black 10%);
  --accent-active: color-mix(in oklab, var(--accent), black 18%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #ffffff;
  background: var(--bg);
  color: #202020;
  color: var(--fg);
  font: 400 16px/1.55 var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 64px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg), transparent 12%);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.header-inner {
  width: min(100%, var(--container-max));
  height: 100%;
  margin: auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand img {
  width: 34px;
  height: 34px;
}

.header-actions {
  display: flex;
  gap: 8px;
}

.icon-button {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  transition: background 150ms, transform 150ms;
}

.icon-button:hover {
  background: var(--surface);
  transform: translateY(-1px);
}

.icon-button .icon {
  width: 19px;
  height: 19px;
  line-height: 1;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border-top: 1px solid var(--border);
  padding: var(--space-6) var(--container-gutter-desktop);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
}

.site-footer img {
  width: auto;
  height: 24px;
  opacity: .72;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: inherit;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--fg);
}

@media (max-width: 640px) {
  .site-header {
    height: 58px;
  }

  .header-inner {
    padding-inline: 16px;
  }

  .brand span {
    display: none;
  }

  .site-footer {
    padding-inline: var(--container-gutter-phone);
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-delay: 0ms !important;
    transition-duration: .01ms !important;
  }

  .icon-button:hover {
    transform: none;
  }
}