:root {
  color-scheme: dark;

  --vng-background: #09090b;
  --vng-foreground: #fafafa;
  --vng-border: #27272a;
  --vng-primary: #fafafa;
  --vng-primary-hover: #e4e4e7;
  --vng-primary-foreground: #09090b;
  --vng-secondary: #18181b;

  --page-glow: rgba(255, 255, 255, 0.075);
  --page-grid: rgba(255, 255, 255, 0.035);
  --card-top: #121214;
  --card-bottom: #0c0c0e;
  --card-shine: rgba(255, 255, 255, 0.06);
  --muted: #a1a1aa;
  --muted-strong: #d4d4d8;
  --shadow: rgba(0, 0, 0, 0.55);
  --focus: #fafafa;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;

    --vng-background: #fafafa;
    --vng-foreground: #18181b;
    --vng-border: #e4e4e7;
    --vng-primary: #18181b;
    --vng-primary-hover: #27272a;
    --vng-primary-foreground: #fafafa;
    --vng-secondary: #f4f4f5;

    --page-glow: rgba(24, 24, 27, 0.055);
    --page-grid: rgba(24, 24, 27, 0.05);
    --card-top: #ffffff;
    --card-bottom: #fafafa;
    --card-shine: rgba(255, 255, 255, 0.9);
    --muted: #52525b;
    --muted-strong: #3f3f46;
    --shadow: rgba(24, 24, 27, 0.14);
    --focus: #18181b;
  }
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--vng-background);
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  background:
    radial-gradient(circle at 50% -18%, var(--page-glow), transparent 46%),
    radial-gradient(circle at 108% 108%, var(--page-glow), transparent 40%),
    var(--vng-background);
  color: var(--vng-foreground);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--page-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--page-grid) 1px, transparent 1px);
  background-size: 56px 56px;
  content: "";
  -webkit-mask-image: radial-gradient(ellipse at center, #000 18%, transparent 76%);
  mask-image: radial-gradient(ellipse at center, #000 18%, transparent 76%);
  pointer-events: none;
}

.page {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  place-items: center;
  padding:
    max(1.25rem, env(safe-area-inset-top))
    max(1.25rem, env(safe-area-inset-right))
    max(1.25rem, env(safe-area-inset-bottom))
    max(1.25rem, env(safe-area-inset-left));
}

.card {
  width: min(100%, 36rem);
  overflow: hidden;
  border: 1px solid var(--vng-border);
  border-radius: 1.25rem;
  background: linear-gradient(180deg, var(--card-top), var(--card-bottom));
  box-shadow:
    0 1px 0 var(--card-shine) inset,
    0 30px 80px -40px var(--shadow);
}

.card-header,
.card-footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.125rem clamp(1.25rem, 5vw, 1.75rem);
  background: transparent;
  background: color-mix(in oklab, var(--card-top) 82%, transparent);
}

.card-header {
  justify-content: space-between;
  border-bottom: 1px solid var(--vng-border);
}

.card-footer {
  flex-wrap: wrap;
  justify-content: space-between;
  border-top: 1px solid var(--vng-border);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted-strong);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.badge-dot {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 999px;
  background: currentColor;
}

.host {
  overflow-wrap: anywhere;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.75rem;
  letter-spacing: -0.01em;
}

.card-body {
  padding: clamp(1.75rem, 7vw, 2.75rem) clamp(1.25rem, 5vw, 1.75rem);
}

.kicker {
  margin: 0 0 1rem;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 6.4vw, 3.25rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.04;
  text-wrap: balance;
}

.accent {
  display: inline-block;
  padding: 0.04em 0.22em 0.08em;
  border: 1px solid var(--vng-border);
  border-radius: 0.35em;
  background: var(--vng-secondary);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.82em;
  font-weight: 500;
  letter-spacing: -0.07em;
  vertical-align: 0.06em;
}

.lede {
  max-width: 38ch;
  margin: 1.35rem 0 0;
  color: var(--muted);
  font-size: clamp(0.95rem, 2.2vw, 1.0625rem);
  line-height: 1.65;
  text-wrap: pretty;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1rem;
  border-radius: 0.55rem;
  background: var(--vng-primary);
  color: var(--vng-primary-foreground);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 150ms ease, transform 150ms ease;
}

.button svg {
  width: 1rem;
  height: 1rem;
  transition: transform 150ms ease;
}

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

.button:hover svg {
  transform: translateX(2px);
}

.button:active {
  transform: translateY(0);
}

.footnote {
  margin-left: auto;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
}

.text-link {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: var(--vng-border);
  text-underline-offset: 0.2em;
  transition: color 150ms ease, text-decoration-color 150ms ease;
}

.text-link:hover {
  color: var(--vng-foreground);
  text-decoration-color: currentColor;
}

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

::selection {
  background: var(--vng-foreground);
  color: var(--vng-background);
}

@media (max-width: 28rem) {
  .card-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.45rem;
  }

  .footnote {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .button:hover,
  .button:hover svg {
    transform: none;
  }
}