/* Art direction: domain verification → precise, calm technical page
   Palette: warm neutral, teal status accent
   Typography: Manrope + IBM Plex Mono — readable UI with technical metadata
   Density: balanced */

:root,
[data-theme="light"] {
  --font-body: "Manrope", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --text-xs: clamp(.75rem, .7rem + .25vw, .875rem);
  --text-sm: clamp(.875rem, .8rem + .35vw, 1rem);
  --text-base: clamp(1rem, .95rem + .25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + .75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2.5rem, 1.2rem + 4vw, 5.5rem);
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --color-bg: #f7f6f2;
  --color-surface: #fcfbf8;
  --color-text: #28251d;
  --color-muted: #66635c;
  --color-faint: #88857e;
  --color-border: #d9d6cf;
  --color-primary: #01696f;
  --color-primary-hover: #0c4e54;
  --color-primary-soft: #d6e6e3;
  --color-inverse: #fff;
  --radius-sm: .375rem;
  --radius-md: .5rem;
  --radius-lg: .75rem;
  --shadow: 0 12px 36px oklch(20% .01 80 / .08);
  --transition: 180ms cubic-bezier(.16, 1, .3, 1);
}

[data-theme="dark"] {
  --color-bg: #171614;
  --color-surface: #201f1c;
  --color-text: #e5e3de;
  --color-muted: #aaa69e;
  --color-faint: #8b877f;
  --color-border: #3b3934;
  --color-primary: #69b5bb;
  --color-primary-hover: #82c8cd;
  --color-primary-soft: #293f40;
  --color-inverse: #102627;
  --shadow: 0 12px 36px oklch(0% 0 0 / .28);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; color-scheme: light; }
html[data-theme="dark"] { color-scheme: dark; }
body {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px),
    var(--color-bg);
  background-size: 64px 64px;
}
button, a { font: inherit; }
button { cursor: pointer; }
a { color: inherit; }
svg { display: block; }
.skip-link { position: fixed; left: var(--space-4); top: var(--space-4); transform: translateY(-200%); z-index: 10; padding: var(--space-2) var(--space-4); background: var(--color-text); color: var(--color-bg); border-radius: var(--radius-sm); }
.skip-link:focus { transform: translateY(0); }
.site-header, main, footer { width: min(100% - 2rem, 1100px); margin-inline: auto; }
.site-header { min-height: 80px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); font-weight: 700; text-decoration: none; }
.brand-mark { width: 32px; height: 32px; fill: none; stroke: currentColor; stroke-width: 2.25; stroke-linejoin: round; }
.theme-toggle { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); color: var(--color-text); transition: background var(--transition), border-color var(--transition), transform var(--transition); }
.theme-toggle:hover { border-color: var(--color-primary); }
.theme-toggle:active { transform: scale(.96); }
main { align-self: center; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: var(--space-16); padding-block: clamp(var(--space-10), 8vw, 7rem); }
.hero { align-self: center; }
.eyebrow { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-5); color: var(--color-primary); font-family: var(--font-mono); font-size: var(--text-sm); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.status-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--color-primary); box-shadow: 0 0 0 6px var(--color-primary-soft); }
h1 { max-width: 11ch; font-size: var(--text-2xl); line-height: .98; letter-spacing: -.055em; }
.lead { max-width: 620px; margin-top: var(--space-6); color: var(--color-muted); font-size: var(--text-lg); }
.lead strong { color: var(--color-text); font-family: var(--font-mono); font-size: .92em; }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.primary-action, .secondary-action { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: var(--space-3) var(--space-5); border-radius: var(--radius-md); font-size: var(--text-sm); font-weight: 700; text-decoration: none; transition: background var(--transition), border-color var(--transition), transform var(--transition); }
.primary-action { border: 1px solid var(--color-primary); background: var(--color-primary); color: var(--color-inverse); }
.primary-action:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.secondary-action { border: 1px solid var(--color-border); background: var(--color-surface); }
.secondary-action:hover { border-color: var(--color-primary); }
.primary-action:active, .secondary-action:active { transform: translateY(1px); }
.check-result { min-height: 1.6em; margin-top: var(--space-4); color: var(--color-primary); font-family: var(--font-mono); font-size: var(--text-sm); }
.details { align-self: center; padding: var(--space-8); background: color-mix(in oklab, var(--color-surface) 94%, transparent); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.details h2 { margin-bottom: var(--space-6); font-size: var(--text-lg); }
.status-list > div { display: grid; grid-template-columns: 1fr auto; gap: var(--space-4); padding-block: var(--space-4); border-top: 1px solid var(--color-border); }
.status-list dt { color: var(--color-muted); }
.status-list dd { font-family: var(--font-mono); font-size: var(--text-sm); text-align: right; overflow-wrap: anywhere; }
footer { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); border-top: 1px solid var(--color-border); color: var(--color-muted); font-size: var(--text-sm); }
.footer-code { font-family: var(--font-mono); color: var(--color-primary); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
::selection { background: var(--color-primary-soft); }

@media (max-width: 800px) {
  body { background-size: 40px 40px; }
  main { grid-template-columns: 1fr; gap: var(--space-10); padding-block: var(--space-12); }
  .details { padding: var(--space-6); }
}
@media (max-width: 460px) {
  .actions { display: grid; }
  .primary-action, .secondary-action { width: 100%; }
  footer { align-items: flex-start; flex-direction: column; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}