/* BoxSmith guides — static, readable without JavaScript. Drafting-paper light, graphite dark. */
:root {
  color-scheme: light dark;
  --bg: #f4f1ea;
  --card: #faf8f5;
  --ink: #181715;
  --ink-2: #3a3833;
  --ink-3: #5c5852;
  --line: #ded8cc;
  --accent: #0e7490;
  --accent-2: #d9381e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0d12;
    --card: #121620;
    --ink: #f1f5f9;
    --ink-2: #d5dce6;
    --ink-3: #9aa6b8;
    --line: #232a3a;
    --accent: #67e8f9;
    --accent-2: #fb923c;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink-2);
  font: 17px/1.65 Inter, system-ui, -apple-system, 'Segoe UI', sans-serif;
}
a {
  color: var(--accent);
}
header,
main,
footer {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 20px;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 22px;
  padding-bottom: 22px;
}
.brand {
  font-weight: 900;
  letter-spacing: 0.14em;
  color: var(--ink);
  text-decoration: none;
}
.lang {
  font-size: 14px;
}
.crumbs {
  font-size: 13px;
  color: var(--ink-3);
}
.kicker {
  font: 600 12px/1 'JetBrains Mono', ui-monospace, monospace;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 28px 0 10px;
}
h1 {
  color: var(--ink);
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
h2 {
  color: var(--ink);
  font-size: 24px;
  line-height: 1.25;
  margin: 40px 0 10px;
}
.lead {
  font-size: 19px;
  color: var(--ink-2);
}
.answer {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 16px 18px;
  margin: 22px 0;
}
ol.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
}
ol.steps > li {
  counter-increment: step;
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 18px 14px 64px;
  margin: 14px 0;
}
ol.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 18px;
  top: 16px;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font: 700 15px 'JetBrains Mono', ui-monospace, monospace;
  color: var(--bg);
  background: var(--ink);
}
ol.steps h3 {
  margin: 2px 0 6px;
  color: var(--ink);
  font-size: 18px;
}
ol.steps p {
  margin: 0 0 6px;
}
figure {
  margin: 26px 0;
}
figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  border: 1px solid var(--line);
}
figcaption {
  font-size: 14px;
  color: var(--ink-3);
  margin-top: 8px;
}
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 640px) {
  .grid {
    grid-template-columns: 1fr;
  }
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin: 12px 0;
}
th,
td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
}
th {
  color: var(--ink);
}
code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.92em;
}
.cta {
  display: inline-block;
  margin: 10px 0 4px;
  padding: 12px 20px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--bg);
  font-weight: 700;
  text-decoration: none;
}
footer {
  border-top: 1px solid var(--line);
  margin-top: 56px;
  padding-top: 20px;
  padding-bottom: 40px;
  font-size: 14px;
  color: var(--ink-3);
}