.learn figure { margin: 0; }
.figs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
/* The drawings have dark lines, so their cards stay white in both themes, with dark ink. */
.figs figure { background: #fff; color: #1e2124; border-radius: 14px; padding: 10px; border: 1px solid var(--line-light); }
.figs img { width: 100%; height: auto; }
.figs figcaption { font: 400 13.5px/1.45 var(--font-ui); color: #5f625f; padding: 4px 8px 6px; }
@media (max-width: 700px) { .figs { grid-template-columns: 1fr; } }

.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 24px 0; }
.facts div { background: var(--page); color: var(--text); border-radius: 14px; padding: 16px; display: grid; gap: 6px; }
.facts b { font: 700 26px/1 var(--font); color: var(--teal-text); letter-spacing: -0.02em; }
.facts span { font: 400 13px/1.3 var(--font-ui); color: var(--muted-dark); }
@media (max-width: 700px) { .facts { grid-template-columns: 1fr 1fr; } }

.table-wrap { overflow-x: auto; margin: 20px 0 28px; border-radius: 12px; border: 1px solid var(--line-light); background: var(--card); }
.learn table { border-collapse: collapse; width: 100%; font: 400 15px/1.4 var(--font-ui); min-width: 480px; }
.learn th, .learn td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line-light); }
.learn th { font: 500 11.5px/1 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-light); background: var(--eggshell-2); }
.learn tr:last-child td { border-bottom: 0; }
.learn td:last-child { font-variant-numeric: tabular-nums; }

.types { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0 28px; }
.types.two { grid-template-columns: 1fr 1fr; }
.types div { background: var(--eggshell-2); border-radius: 14px; padding: 18px; }
.types b { display: block; font-size: 17px; margin-bottom: 6px; }
.types p { margin: 0 !important; color: var(--muted-light); font: 400 14.5px/1.5 var(--font-ui); }
@media (max-width: 760px) { .types, .types.two { grid-template-columns: 1fr; } }

.calc { background: var(--page); color: var(--text); border-radius: 18px; padding: 22px; margin: 20px 0 32px; display: grid; gap: 18px; }
.calc h3 { margin: 0 !important; color: var(--text); }
.calc-row { display: flex; flex-wrap: wrap; gap: 14px; }
.calc-row label { display: grid; gap: 6px; font: 400 13px/1.2 var(--font-ui); color: var(--muted-dark); }
.calc-row label.grow { flex: 1; min-width: 220px; }
.calc-row span { display: flex; align-items: center; gap: 6px; color: var(--muted-dark); }
.calc input, .calc select {
  min-height: 42px; border-radius: 9px; border: 1px solid var(--line-dark); background: var(--carbon-2); color: var(--text);
  padding: 0 12px; font: 500 15px/1 var(--font-ui);
}
.calc input { width: 110px; font-family: var(--font-mono); }
.calc input:focus, .calc select:focus { outline: none; border-color: var(--teal); }
.calc-out { margin: 0 !important; font: 400 16px/1.5 var(--font-ui); color: var(--text); }
.calc-out b { color: var(--teal-text); }
.calc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; }
.calc-grid div { background: var(--carbon-2); border: 1px solid var(--line-dark); border-radius: 12px; padding: 12px 14px; display: grid; gap: 6px; }
.calc-grid span { font: 500 10.5px/1 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-dark); }
.calc-grid b { font: 700 18px/1.15 var(--font); }
.calc .btn { justify-self: start; }

.glossary { display: grid; grid-template-columns: 180px 1fr; gap: 10px 20px; margin: 20px 0 28px; font-family: var(--font-ui); }
.glossary dt { font-weight: 600; }
.glossary dd { margin: 0; color: var(--muted-light); }
@media (max-width: 600px) { .glossary { grid-template-columns: 1fr; gap: 2px; } .glossary dd { margin-bottom: 12px; } }

/* Switch between the guides (Gridfinity, Skådis, MotiveMesh). */
.guide-switch { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.guide-switch a { padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line-dark); color: var(--text); font: 500 14px/1 var(--font-ui); text-decoration: none; }
.guide-switch a:hover { border-color: var(--neon); }
.guide-switch a[aria-current='page'] { background: var(--teal); border-color: var(--teal); color: var(--carbon); }
.figs figure.wide { grid-column: 1 / -1; max-width: 640px; }