:root {
  --paper: #eef0f4;
  --sheet: #fbfbfd;
  --ink: #15191f;
  --ink-2: #3c4552;
  --ink-3: #5f6a78;
  --rule: #cbd1da;
  --accent: #2a74b8;
  --accent-ink: #ffffff;
  --accent-soft: #dce8f4;
  --warn: #8a4b00;
  --font: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, Menlo, monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12151a;
    --sheet: #1a1f26;
    --ink: #e8ecf1;
    --ink-2: #b9c2cd;
    --ink-3: #8f9aa8;
    --rule: #2d353f;
    --accent: #6fb1ea;
    --accent-ink: #0b1a29;
    --accent-soft: #1b2e42;
    --warn: #f0b45a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 1.0625rem/1.6 var(--font);
}

a { color: var(--accent); text-underline-offset: 0.18em; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
code { font: 0.92em var(--mono); }

.wrap { max-width: 62rem; margin: 0 auto; padding: 0 1.25rem; }

header { border-bottom: 1px solid var(--rule); }
header .wrap { display: flex; align-items: center; gap: 1.5rem; min-height: 3.75rem; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; font-size: 1.1rem; color: var(--ink); text-decoration: none; }
.brand svg { width: 1.6rem; height: 1.6rem; }
nav { margin-left: auto; display: flex; gap: 1.1rem; flex-wrap: wrap; }
nav a { color: var(--ink-2); text-decoration: none; font-size: 0.95rem; }
nav a:hover { color: var(--ink); text-decoration: underline; }

h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 1.4rem + 3.6vw, 3.75rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); margin-bottom: 0.9rem; }
h3 { font-size: 1.1rem; margin-bottom: 0.35rem; }
p { margin: 0 0 1em; }

.hero { padding-top: clamp(3rem, 8vw, 6rem); padding-bottom: clamp(2rem, 5vw, 4rem); display: grid; gap: 2.5rem; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 52rem) { .hero { grid-template-columns: 1.3fr 1fr; } }
.lede { font-size: 1.25rem; color: var(--ink-2); max-width: 36em; margin-top: 1.1rem; }

.status { display: inline-block; margin: 1.5rem 0 0; padding: 0.55rem 0.9rem; border: 1px solid var(--rule); border-left: 4px solid var(--warn); background: var(--sheet); font-size: 0.95rem; max-width: 36em; }

/* a stack of sheets with the front one going through a printer slot */
.stack { justify-self: center; width: min(100%, 17rem); }
.stack svg { width: 100%; height: auto; display: block; }
.stack .p1 { fill: var(--sheet); stroke: var(--rule); }
.stack .p2 { fill: var(--accent-soft); stroke: var(--rule); }
.stack .tray { fill: var(--ink); }
.stack .line { stroke: var(--rule); stroke-width: 3; stroke-linecap: round; }
.stack .head { stroke: var(--accent); stroke-width: 5; stroke-linecap: round; }

section { padding: clamp(2.5rem, 6vw, 4.5rem) 0; border-top: 1px solid var(--rule); }

.grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); margin-top: 1.5rem; }
.card { background: var(--sheet); border: 1px solid var(--rule); border-radius: 6px; padding: 1.1rem 1.2rem; }
.card p { margin: 0; color: var(--ink-2); font-size: 0.98rem; }

.tasks { columns: 2 14rem; column-gap: 2rem; padding-left: 1.1rem; margin: 0 0 1em; }
.tasks li { margin-bottom: 0.4em; break-inside: avoid; }

.narrow { max-width: 42rem; }
.narrow ul { padding-left: 1.2rem; }
.narrow li { margin-bottom: 0.5em; }

footer { border-top: 1px solid var(--rule); padding: 1.75rem 0 2.5rem; color: var(--ink-3); font-size: 0.92rem; }
footer .wrap { display: flex; gap: 1.5rem; flex-wrap: wrap; }