/* ethereum.xyz: independent community guide. Editorial paper/ink identity,
 * deliberately distinct from ethereum.org's black/white/purple. No JavaScript,
 * no web fonts, no external assets of any kind. */

:root {
  --paper: #f7f4ee;
  --card: #ffffff;
  --ink: #1f1b16;
  --muted: #6b6257;
  --line: #e5ded2;
  --accent: #1b6b4a;
  --accent-dark: #145239;
  --chip: #efebe2;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.wrap { max-width: 980px; margin: 0 auto; padding: 0 24px; }

/* Guide-directory cards on the overview page. */
.toc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-top: 20px; }
.toc-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
  text-decoration: none;
  color: var(--ink);
}
.toc-card:hover { border-color: var(--accent); }
.toc-card h3 { margin: 0 0 6px; }
.toc-card p { margin: 0; font-size: 14.5px; color: var(--muted); }

/* Wide reference tables: horizontal scroll on small screens. */
.table-wrap { overflow-x: auto; }

/* Two-column glossary flow. */
.glossary { columns: 2; column-gap: 34px; margin: 20px 0 0; }
.g-item { break-inside: avoid; margin-bottom: 14px; }
.g-item dt { font-family: Georgia, serif; font-size: 17px; }
.g-item dd { margin: 4px 0 0; font-size: 15px; }

.site-header { border-bottom: 1px solid var(--line); padding: 36px 0 20px; }
.wordmark {
  margin: 0;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.wordmark .tld { color: var(--accent); }
.wordmark a { color: inherit; text-decoration: none; }
.tagline { margin: 4px 0 18px; color: var(--muted); font-size: 15px; }
.site-header nav { display: flex; flex-wrap: wrap; gap: 4px 22px; }
.site-header nav a { color: var(--accent-dark); text-decoration: none; font-size: 15px; }
.site-header nav a:hover { text-decoration: underline; }

h1, h2, h3 { font-family: Georgia, "Times New Roman", serif; line-height: 1.25; }
h1 { font-size: 40px; margin: 0 0 16px; }
h2 { font-size: 28px; margin: 56px 0 8px; padding-top: 8px; }
h3 { font-size: 19px; margin: 0 0 8px; }

p { margin: 12px 0; }
a { color: var(--accent-dark); }
a:hover { color: var(--accent); }

.section-note { color: var(--muted); font-size: 14.5px; margin-top: 0; }

.hero { padding-top: 44px; }
.hero p { font-size: 20px; max-width: 46rem; }

/* At a glance */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-top: 20px; }
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
}
.stat-value {
  display: block;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 26px;
  font-weight: 700;
}
.stat-label { display: block; color: var(--muted); font-size: 14px; margin-top: 4px; }

/* Ecosystem cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; margin-top: 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 18px 20px; }
.card p { margin: 0; font-size: 15.5px; }

/* Milestones */
.timeline { list-style: none; margin: 20px 0 0; padding: 0; }
.timeline li { display: flex; gap: 18px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.timeline li:last-child { border-bottom: none; }
.year {
  flex: 0 0 64px;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-weight: 700;
  color: var(--accent-dark);
}

/* Compare table */
table { border-collapse: collapse; width: 100%; margin-top: 20px; background: var(--card); }
th, td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; font-size: 15.5px; }
  --chip: #efebe2;
tbody th { font-weight: 600; white-space: nowrap; }

/* FAQ */
.faq { margin: 20px 0 0; }
.faq dt { font-family: Georgia, serif; font-size: 18px; margin-top: 18px; }
.faq dd { margin: 6px 0 0; }

/* Resources */
.resources { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; margin-top: 20px; }
.resources ul { list-style: none; margin: 0; padding: 0; }
.resources li { padding: 4px 0; font-size: 15.5px; }

/* About this site + footer */
#about-this-site { border-top: 1px solid var(--line); margin-top: 56px; }
footer { margin-top: 56px; border-top: 3px double var(--line); padding: 24px 0 48px; }
footer p { margin: 6px 0; font-size: 15px; }
footer .legal { color: var(--muted); font-size: 13.5px; }

@media (max-width: 800px) {
  .glossary { columns: 1; }
}

@media (max-width: 640px) {
  h1 { font-size: 30px; }
  .hero p { font-size: 17.5px; }
  .timeline li { flex-direction: column; gap: 2px; }
}