/* Ugly Bird Labs site. Palette from the brand folder (docs/brand-palette.json).
   Contrast on the teal background (measured): cream 10.4, mint 7.5, mustard 6.8, coral 5.0.
   Dark coral (#e8553d) is below 4.5 and is never used for text. */
:root {
  --bg: #14373b;
  --bg-raised: #1a444a;
  --line: #2b5d63;
  --cream: #ffe3c4;
  --coral: #ff7a59;
  --mustard: #f2b134;
  --mint: #7fd6c2;
  --radius: 18px;
  --measure: 68ch;
  --font: "Avenir Next", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--cream);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
}

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

a { color: var(--coral); text-underline-offset: 0.2em; }
a:hover { color: var(--mustard); }

:focus-visible { outline: 3px solid var(--mustard); outline-offset: 3px; border-radius: 4px; }

.skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 10;
  background: var(--mustard); color: var(--bg); padding: 0.6rem 1rem; border-radius: 10px; font-weight: 700;
}
.skip:focus { top: 1rem; }

.wrap { width: min(100% - 2rem, 62rem); margin-inline: auto; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.5rem; padding-block: 0.9rem; }
.brand { display: flex; align-items: center; gap: 0.7rem; color: var(--cream); text-decoration: none; margin-right: auto; }
.brand img { width: 40px; height: 40px; border-radius: 10px; }
.brand span { font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.95rem; }
.site-nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; }
.site-nav a { color: var(--cream); text-decoration: none; padding: 0.35rem 0; border-bottom: 2px solid transparent; }
.site-nav a:hover { color: var(--mustard); }
.site-nav a[aria-current] { border-bottom-color: var(--coral); }
.lang { color: var(--mint); font-weight: 700; text-decoration: none; border: 1px solid var(--line); border-radius: 999px; padding: 0.2rem 0.8rem; }
.lang:hover { color: var(--bg); background: var(--mint); }

/* Content */
main { padding-block: 2.5rem 4rem; }
h1, h2, h3 { line-height: 1.2; font-weight: 800; }
h1 { font-size: clamp(2rem, 5vw, 3rem); margin: 0 0 1rem; color: var(--coral); }
h2 { font-size: 1.45rem; margin: 2.5rem 0 0.6rem; color: var(--cream); }
h3 { font-size: 1.15rem; margin: 1.75rem 0 0.4rem; color: var(--mint); }
p, ul, ol, dl { max-width: var(--measure); margin: 0 0 1rem; }
li { margin-bottom: 0.4rem; }
.lead { font-size: 1.25rem; max-width: 52ch; }
.updated { color: var(--mint); font-size: 0.95rem; }

.hero { margin: 0 0 2rem; }
.hero img { border-radius: var(--radius); width: 100%; }

.card {
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem 1.5rem 1.1rem; margin: 1.5rem 0; max-width: 46rem;
}
.card h2 { margin-top: 0; }
.stamp {
  display: inline-block; background: var(--mustard); color: var(--bg); font-weight: 800;
  font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.15rem 0.65rem; border-radius: 999px;
}

dt { font-weight: 800; color: var(--mint); margin-top: 1.4rem; }
dd { margin: 0.2rem 0 0; }

.lang-choice { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); max-width: 40rem; margin-top: 2rem; }
.lang-choice a {
  display: block; text-align: center; text-decoration: none; font-weight: 800; font-size: 1.25rem;
  background: var(--coral); color: var(--bg); border-radius: var(--radius); padding: 1.1rem 1rem;
}
.lang-choice a:hover { background: var(--mustard); color: var(--bg); }

/* App sub-navigation (support, privacy of one app) */
.app-nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; margin: 0 0 1.75rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--line); }
.app-nav a { color: var(--mint); text-decoration: none; font-weight: 700; padding: 0.25rem 0; border-bottom: 2px solid transparent; }
.app-nav a:hover { color: var(--mustard); }
.app-nav a[aria-current] { border-bottom-color: var(--coral); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); color: var(--mint); font-size: 0.95rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; padding-block: 1.5rem; }
.site-footer a { color: var(--mint); }
.site-footer a:hover { color: var(--mustard); }
.site-footer .copy { margin-right: auto; }

@media (min-width: 48rem) {
  body { font-size: 1.125rem; }
  main { padding-block: 3.5rem 5rem; }
}

@media (prefers-reduced-motion: no-preference) {
  a, .lang { transition: color 0.15s ease, background-color 0.15s ease; }
}