/* VISR page. Colors follow the app icon: a dark teal grid, cyan rim, gold visor. */

:root {
  --bg: #f4f7f8;
  --ink: #0d1b21;
  --muted: #4a5f67;
  --line: #d3e0e4;
  --accent: #006f96;
  --code-bg: #0e1d23;
  --code-ink: #d8f3fb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #081216;
    --ink: #e8f6fa;
    --muted: #93adb6;
    --line: #1d3640;
    --accent: #3fd6ff;
    --code-bg: #10232b;
    --code-ink: #c9f1fc;
  }
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
}

.page { max-width: 680px; margin: 0 auto; padding: 48px 16px 40px; }
@media (min-width: 720px) { .page { padding: 80px 24px 56px; } }

@font-face {
  font-family: "Orbitron";
  src: url("fonts/Orbitron-VariableFont_wght.woff2") format("woff2");
  font-weight: 400 900;
  font-style: normal;
  font-display: swap;
}

:root { --brand-font: "Orbitron"; }

h1, h2 { font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", system-ui, sans-serif; line-height: 1.2; }
h1 { font-size: clamp(1.8rem, 6vw, 2.5rem); letter-spacing: -0.015em; margin: 20px 0 12px; }
h2 { font-size: 1.25rem; margin: 0 0 10px; }
p, ul { margin: 0 0 14px; }
ul { padding-left: 1.2em; }
li { margin-bottom: 6px; }
a { color: var(--accent); text-underline-offset: 3px; }
code { font: 0.88em/1.4 ui-monospace, "SF Mono", Menlo, monospace; white-space: nowrap; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }

.icon { display: block; border-radius: 20px; box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25); }

/* The icon with the VISR wordmark beside it, centered on each other; both shrink on a phone */
.brand { display: flex; align-items: center; gap: clamp(14px, 4vw, 24px); font-family: var(--brand-font), sans-serif; font-optical-sizing: auto; font-weight: normal; font-style: normal; }
.brand .icon { width: clamp(88px, 24vw, 180px); height: auto; border-radius: 22%; flex: none; }
.brand .wordmark { font-family: var(--brand-font), -apple-system, BlinkMacSystemFont, system-ui, sans-serif; margin: 0; font-size: clamp(2.6rem, 11vw, 4.5rem); letter-spacing: 0.06em; line-height: 1; }
.lede { font-size: 1.1rem; color: var(--muted); }
blockquote { font-size: 1.1rem; color: var(--muted); }
.links { color: var(--muted); }

section { padding-top: 28px; margin-top: 28px; border-top: 1px solid var(--line); }
.aside { color: var(--muted); font-size: 0.95rem; }

pre { margin: 0 0 14px; background: var(--code-bg); color: var(--code-ink); border-radius: 8px; padding: 14px 16px; overflow-x: auto; font-size: 0.85rem; }
pre code { font-size: inherit; white-space: pre; }

.foot { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.85rem; }