/* Shared styles for the Trantor series site. Prose is set in Trantor Hand;
   each family page sets --face for its specimens and title. */
:root {
  --ink: #111; --muted: #6b6b6b; --bg: #fff; --rule: #e4e4e4; --code: #f4f4f4;
  --link: #0b57d0; --card: #fafafa;
  --face: "Trantor Hand";
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #eee; --muted: #9a9a9a; --bg: #121212; --rule: #2a2a2a; --code: #1d1d1d;
    --link: #8ab4f8; --card: #181818;
  }
}
:root[data-theme="dark"] {
  --ink: #eee; --muted: #9a9a9a; --bg: #121212; --rule: #2a2a2a; --code: #1d1d1d;
  --link: #8ab4f8; --card: #181818;
}

* { box-sizing: border-box; }
body { margin: 0; padding: 40px 16px 48px; background: var(--bg); color: var(--ink);
       font-family: "Trantor Hand", sans-serif; font-size: 19px; line-height: 1.6; }
h1, .tester, .waterfall, .grid, .compare, .text { font-family: var(--face), sans-serif; }
main { max-width: 960px; margin: 0 auto; }
a { color: var(--link); }
h1 { font-size: clamp(52px, 11vw, 104px); line-height: 1; font-weight: 600; margin: 0 0 16px; }
h2 { font-size: 30px; font-weight: 600; margin: 0 0 12px; }
h3 { font-size: 22px; font-weight: 600; margin: 20px 0 6px; }
header { padding-bottom: 32px; }
section { border-top: 1px solid var(--rule); padding: 28px 0; }
p { margin: 0 0 12px; }
ul { padding-left: 1.2em; margin: 0 0 12px; }
li + li { margin-top: 6px; }

.crumb { font: 14px/1.4 system-ui, sans-serif; margin: 0 0 20px; }
.crumb a { color: var(--muted); }
.lede { font-size: 23px; max-width: 36ch; margin: 0 0 24px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }
.cta { display: inline-block; font-weight: 600; font-size: 20px; padding: 8px 20px;
       border: 2px solid currentColor; border-radius: 999px; text-decoration: none; }
.note, .label { font: 14px/1.5 system-ui, sans-serif; color: var(--muted); }
.label { margin: 0 0 6px; }
footer { border-top: 1px solid var(--rule); padding-top: 20px; font: 14px/1.6 system-ui, sans-serif; color: var(--muted); }
footer a { color: inherit; }

/* Code */
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; }
code { background: var(--code); padding: 1px 5px; border-radius: 4px; }
pre { background: var(--code); padding: 14px 16px; border-radius: 8px; overflow-x: auto; line-height: 1.5; margin: 8px 0 16px; }
pre code { background: none; padding: 0; }

/* Landing page cards */
.cards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--rule); border-radius: 12px; padding: 20px;
        display: flex; flex-direction: column; gap: 8px; }
.card h2 { font-size: 26px; margin: 0; }
.card .sample { font-size: 34px; line-height: 1.2; margin: 4px 0; overflow-wrap: anywhere; }
.card .meta { font: 14px/1.5 system-ui, sans-serif; color: var(--muted); margin: 0; }
.card .links { margin-top: auto; font: 15px/1.5 system-ui, sans-serif; display: flex; gap: 16px; flex-wrap: wrap; }

/* Specimen */
.tester-controls { display: flex; flex-wrap: wrap; gap: 10px 20px; align-items: center;
                   font: 14px/1.4 system-ui, sans-serif; color: var(--muted); margin-bottom: 12px; }
.tester-controls label { display: inline-flex; align-items: center; gap: 6px; }
.tester-controls input[type="range"] { width: 140px; }
.tester { font-size: 64px; line-height: 1.2; margin: 0; outline: none; overflow-wrap: anywhere;
          border-bottom: 1px dashed var(--rule); padding-bottom: 8px; min-height: 1.2em; }
.tester:focus { border-bottom-color: var(--muted); }
.waterfall p { margin: 0 0 4px; white-space: nowrap; overflow: hidden; text-overflow: clip; line-height: 1.25; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(56px, 1fr)); gap: 1px;
        background: var(--rule); border: 1px solid var(--rule); }
.grid span { background: var(--bg); font-size: 30px; line-height: 1; text-align: center; padding: 12px 0; }
.compare { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.compare p:not(.label) { font-size: 40px; line-height: 1.2; margin: 0; overflow-wrap: anywhere; }
.text { font-size: 20px; line-height: 1.5; max-width: 60ch; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.semibold { font-weight: 600; }
.ss01 { font-feature-settings: "ss01"; }
.caps { text-transform: uppercase; }

table { border-collapse: collapse; width: 100%; font: 15px/1.5 system-ui, sans-serif; }
td { padding: 6px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
td:first-child { padding-right: 16px; white-space: nowrap; color: var(--muted); }