/* expired-ice.com — the only stylesheet.
   Deliberately single-look: black in both light and dark (D-8).
   Conventions: tokens in :root, mobile-first, kebab-case, system fonts only.
   See AGENTS.md before adding anything here. */

/* ---------- tokens ---------- */

:root {
  color-scheme: dark;

  --bg: #000000;
  --silver-hi: #f2f4f6;
  --silver: #c4cad1;
  --silver-lo: #878f98;
  --focus: #c4cad1;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --size-h1: clamp(1.75rem, 4.5vw + 1rem, 3.25rem);

  --space-4: 1rem;
  --space-6: 2rem;
  --space-8: clamp(2rem, 1rem + 4vw, 4rem);
}

/* ---------- base ---------- */

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

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

body {
  margin: 0;
  min-height: 100svh;
  background: var(--bg);
  color: var(--silver);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- the page ---------- */

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  max-width: 46rem;
  margin-inline: auto;
  padding: var(--space-8) var(--space-4);
}

h1 {
  margin: 0;
  font-size: var(--size-h1);
  font-weight: 650;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-align: center;
  text-wrap: balance;

  /* silver: gradient where supported, flat silver as the fallback */
  color: var(--silver);
  background: linear-gradient(180deg, var(--silver-hi) 0%, var(--silver) 55%, var(--silver-lo) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.photo {
  display: block;
  width: 100%;
  max-width: 34rem;
  height: auto;
  border-radius: 0.75rem;
}

/* ---------- links (404 page) ---------- */

a {
  color: var(--silver-hi);
  text-underline-offset: 0.15em;
}

.error-page p {
  text-align: center;
  margin: 0;
}