/* pruvo.dev (#424): static, no JS, no web fonts. Values from the app's
   web/src/styles.css (Pruvo Teal glass, #413), copied rather than imported.
   Light and dark follow the OS; under reduced transparency, more contrast
   or without backdrop-filter every surface is solid. Nothing animates. */

:root {
  color-scheme: light;
  --background: oklch(0.985 0.002 90);
  --foreground: oklch(0.21 0.006 75);
  --muted-foreground: oklch(0.45 0.008 75);
  --card: oklch(1 0 0);
  --border: oklch(0.9 0.004 90);
  --border-strong: oklch(0.83 0.005 90);
  --primary: oklch(0.48 0.1 185);
  --accent: oklch(0.93 0.03 185);
  --button: oklch(0.79 0.11 182);
  --button-foreground: oklch(0.2 0.03 190);
  --control: rgb(255 255 255 / 0.55);
  --destructive: oklch(0.52 0.19 27);
  --diff-added: oklch(0.95 0.05 152);
  --diff-removed: oklch(0.95 0.04 25);
  --backdrop: #f0ebe3;
  --backdrop-mid: #e8e1d6;
  --blob-1: color-mix(in srgb, #5eead4 50%, transparent);
  --blob-2: color-mix(in srgb, #fdba74 42%, transparent);
  --blob-3: color-mix(in srgb, #99f6e4 35%, transparent);
  --glass-bg: rgb(255 255 255 / 0.45);
  --panel-bg: rgb(255 255 255 / 0.62);
  --glass-border: rgb(255 255 255 / 0.6);
  --glass-blur: blur(24px) saturate(200%);
  --glass-specular:
    0 2px 0 0 rgb(255 255 255 / 0.8) inset, 0 -1px 0 0 rgb(0 0 0 / 0.06) inset;
  --glass-shadow: 0 8px 32px rgb(0 0 0 / 0.12);
  --backdrop-layer:
    radial-gradient(circle 460px at 8% 6%, var(--blob-1), transparent),
    radial-gradient(circle 420px at 96% 96%, var(--blob-2), transparent),
    radial-gradient(circle 360px at 55% 50%, var(--blob-3), transparent),
    linear-gradient(160deg, var(--backdrop), var(--backdrop-mid));
  --page-bg: var(--backdrop);
  --font:
    ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --mono:
    ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --background: oklch(0.175 0.003 75);
    --foreground: oklch(0.955 0.003 85);
    --muted-foreground: oklch(0.8 0.006 80);
    --card: oklch(0.205 0.004 75);
    --border: oklch(1 0 0 / 9%);
    --border-strong: oklch(1 0 0 / 17%);
    --primary: oklch(0.79 0.11 182);
    --accent: oklch(0.29 0.035 185);
    --control: rgb(0 0 0 / 0.15);
    --destructive: oklch(0.73 0.16 25);
    --diff-added: oklch(0.3 0.06 155);
    --diff-removed: oklch(0.3 0.07 25);
    --backdrop: #060c12;
    --backdrop-mid: #0a1520;
    --blob-1: color-mix(in srgb, #0d9488 30%, transparent);
    --blob-2: color-mix(in srgb, #10b981 24%, transparent);
    --blob-3: color-mix(in srgb, #b8873b 25%, transparent);
    --glass-bg: rgb(255 255 255 / 0.08);
    --panel-bg: rgb(255 255 255 / 0.06);
    --glass-border: rgb(255 255 255 / 0.12);
    --glass-blur: blur(20px) saturate(180%);
    --glass-specular: 0 1px 0 0 rgb(255 255 255 / 0.2) inset;
    --glass-shadow: 0 12px 40px rgb(0 0 0 / 0.35);
  }
}

@supports not (backdrop-filter: blur(1px)) {
  :root {
    --glass-bg: var(--card);
    --panel-bg: var(--card);
    --glass-border: var(--border);
    --glass-blur: none;
    --glass-specular: 0 0 #0000;
    --glass-shadow: 0 0 #0000;
    --control: var(--card);
    --backdrop-layer: none;
    --page-bg: var(--background);
  }
}

@media (prefers-reduced-transparency: reduce), (prefers-contrast: more) {
  :root {
    --glass-bg: var(--card);
    --panel-bg: var(--card);
    --glass-border: var(--border);
    --glass-blur: none;
    --glass-specular: 0 0 #0000;
    --glass-shadow: 0 0 #0000;
    --control: var(--card);
    --backdrop-layer: none;
    --page-bg: var(--background);
  }
}

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

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--page-bg);
  color: var(--foreground);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* The backdrop: static radial gradients, one fixed layer, no blur filter. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: var(--backdrop-layer);
  pointer-events: none;
}

a {
  color: inherit;
}

a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 10px;
}

code,
pre {
  font-family: var(--mono);
  font-size: 0.875em;
}

code {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  max-width: 20ch;
}

h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.125rem);
  font-weight: 650;
  max-width: 32ch;
}

h3 {
  font-size: 1.0625rem;
  font-weight: 600;
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: 16px;
  top: 16px;
  z-index: 1;
  padding: 8px 16px;
  background: var(--card);
  border-radius: 9999px;
}

/* Glass: blurred, only for the header, the hero, the card example and the
   final call to action (4 elements). Panels are translucent, not blurred. */
.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-specular), var(--glass-shadow);
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 24px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.panel p,
.lead,
.note,
.meta {
  color: var(--muted-foreground);
}

.top {
  margin: 16px 32px 0;
  padding: 10px 12px 10px 16px;
  border-radius: 9999px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.125rem;
  text-decoration: none;
}

.top nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.top nav a {
  padding: 8px 12px;
  border-radius: 9999px;
  text-decoration: none;
  font-size: 0.9375rem;
}

.top nav a:hover {
  background: var(--accent);
}

main {
  padding: 0 32px;
  display: grid;
  gap: 64px;
  margin: 32px 0 64px;
}

.hero {
  border-radius: 28px;
  padding: clamp(32px, 6vw, 72px);
  display: grid;
  gap: 20px;
}

.eyebrow {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9375rem;
}

.lead {
  font-size: 1.1875rem;
  max-width: 62ch;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: 9999px;
  background: var(--button);
  color: var(--button-foreground);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
}

.button:hover {
  background: color-mix(in oklab, var(--button) 88%, black);
}

.button.outline {
  background: var(--control);
  color: var(--foreground);
  border-color: var(--border-strong);
}

.button.outline:hover {
  background: var(--accent);
}

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.facts li {
  padding: 6px 14px;
  border-radius: 9999px;
  background: var(--control);
  border: 1px solid var(--border-strong);
  font-size: 0.875rem;
}

.band {
  display: grid;
  gap: 24px;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
}

.grid.three,
.steps {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

.steps {
  counter-reset: step;
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9999px;
  background: var(--button);
  color: var(--button-foreground);
  font-weight: 700;
}

/* The example: a summary card (glass) and an inline finding. */
.card {
  margin: 0;
  border-radius: 20px;
  padding: 24px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.finding {
  background: var(--card);
  border: 1px solid var(--border);
}

.card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.who,
.sev {
  font-weight: 600;
  color: var(--foreground);
}

.risk {
  font-weight: 600;
}

.dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 9999px;
  vertical-align: 0.05em;
}

.dot.high {
  background: var(--destructive);
}

.checks li::before {
  content: "☐ ";
}

.evidence {
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--accent);
}

.diff {
  margin: 0;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.diff span {
  display: block;
}

.del {
  background: var(--diff-removed);
}

.add {
  background: var(--diff-added);
}

.note {
  font-size: 0.875rem;
}

.trust h3::before {
  content: "✓ ";
  color: var(--primary);
}

.faq {
  display: grid;
  gap: 8px;
  max-width: 80ch;
}

.faq details {
  background: var(--panel-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 0 20px;
}

.faq summary {
  cursor: pointer;
  padding: 16px 0;
  font-weight: 600;
}

.faq details p {
  padding-bottom: 16px;
  color: var(--muted-foreground);
}

.cta {
  border-radius: 28px;
  padding: clamp(28px, 5vw, 56px);
}

.cta p {
  max-width: 62ch;
}

.address {
  font-weight: 600;
  color: var(--foreground);
  overflow-wrap: anywhere;
}

.foot {
  padding: 24px 32px 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.foot a {
  color: var(--foreground);
}

@media (max-width: 640px) {
  .top {
    margin: 12px 16px 0;
    border-radius: 20px;
  }

  main {
    padding: 0 16px;
    gap: 48px;
  }

  .foot {
    padding: 24px 16px 32px;
  }
}

@media (forced-colors: active) {
  .glass,
  .panel,
  .card,
  .faq details {
    border: 1px solid CanvasText;
  }
}