/* Divia holding site. Colours, type, spacing and radii follow the Divia brand tokens. */

@font-face {
  font-family: "Instrument Sans";
  src: url("assets/InstrumentSans-Variable.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light dark;

  --surface: #f8f4ec;
  --surface-alt: #ebe6df;
  --surface-raised: #ffffff;
  --ink: #0e2a22;
  --ink-muted: #4f5a54;
  --line: #d6cfc4;
  --brand: #0e2a22;
  --focus-ring: var(--brand);

  --sans: "Instrument Sans", "Segoe UI", system-ui, sans-serif;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 40px;
  --radius-md: 10px;

  --logo-w: 160px;
  /* Height of the "a" in the wordmark: 51 of the lockup's 353.4 viewBox units. */
  --logo-clear: calc(var(--logo-w) * 51 / 353.4);
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface: #0e2a22;
    --surface-alt: #143a2f;
    --surface-raised: #194035;
    --ink: #f8f4ec;
    --ink-muted: #c9d3cc;
    --line: #2a4a40;
    --brand: #f8f4ec;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 19px;
  line-height: 30px;
  font-weight: 400;
  font-synthesis: none;
}

.wrap { max-width: 760px; margin: 0 auto; padding: 0 var(--space-5); }

header { padding: var(--logo-clear) 0 0; }
.logo { display: block; }
.logo img { display: block; width: var(--logo-w); height: auto; }
.brand { margin-top: var(--logo-clear); font-weight: 600; color: var(--ink-muted); }

h1, h2 { margin: 0; color: var(--ink); }
h1 { margin: var(--space-5) 0 var(--space-3); font-size: 30px; line-height: 36px; font-weight: 600; letter-spacing: -0.02em; }
h1.display { font-size: clamp(32px, 9vw, 44px); line-height: 1.1; font-weight: 500; letter-spacing: -0.03em; }
h2 { margin: var(--space-6) 0 var(--space-5); font-size: 22px; line-height: 30px; font-weight: 600; letter-spacing: -0.01em; }

p { margin: 0 0 var(--space-4); }
p.last { margin-bottom: 0; }
.lead { color: var(--ink-muted); }

.grid { display: grid; gap: var(--space-3); }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.card strong { display: block; margin-bottom: var(--space-1); }

.notice {
  background: var(--surface-alt);
  border-left: 4px solid var(--brand);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-4);
}

dl { margin: 0; }
dt { font-weight: 600; margin-top: var(--space-4); }
dd { margin: var(--space-1) 0 0; color: var(--ink-muted); overflow-wrap: anywhere; }

a {
  display: inline-block;
  padding: 9px 0;
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}
a:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }

footer {
  margin-top: var(--space-6);
  padding: var(--space-5) 0;
  background: var(--surface-alt);
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
}
footer p { margin: 0; }

main { padding-bottom: var(--space-2); }