/* Blockchain Stats — restored design
   Teal header, grey canvas, white content cards */

:root {
  --teal: #17919c;
  --teal-dark: #0f6f78;
  --teal-light: #e3f1f2;
  --red: #d13438;
  --ink: #2b2b2b;
  --ink-soft: #555555;
  --ink-faint: #888888;
  --canvas: #ececec;
  --card: #ffffff;
  --rule: #e2e2e2;
  --link: #17919c;

  --sans: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
  --wrap: 1140px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--canvas);
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Header ---------- */

.site-head {
  background: var(--teal);
  color: #fff;
}
.site-head .wrap {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 66px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand .mark {
  display: inline-flex;
  width: 26px; height: 26px;
  align-items: center; justify-content: center;
}
.brand .mark svg { width: 26px; height: 26px; }
.brand .name { letter-spacing: 0.01em; }
.brand .name .dollar { color: #ffd24a; }

.main-nav { margin-left: auto; }
.main-nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 30px;
}
.main-nav a {
  color: rgba(255,255,255,0.95);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 6px 0;
}
.main-nav a:hover { color: #fff; text-decoration: none; border-bottom: 2px solid #fff; }

/* ---------- Layout with sidebar ---------- */

.layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 34px;
  padding: 34px 0 50px;
  align-items: start;
}

/* ---------- Content card ---------- */

.card {
  background: var(--card);
  border: 1px solid var(--rule);
  padding: 34px 38px;
}

.article-head h1 {
  font-size: 1.85rem;
  line-height: 1.25;
  margin: 0 0 10px;
  color: var(--ink);
  font-weight: 700;
}
.post-meta {
  font-size: 0.82rem;
  color: var(--ink-faint);
  padding: 8px 0 20px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 24px;
}
.post-meta .author { color: var(--ink-soft); }
.post-meta .cat { color: var(--teal); }

.article-body p { margin: 0 0 18px; }
.article-body h2 {
  font-size: 1.4rem;
  margin: 30px 0 12px;
  font-weight: 700;
  line-height: 1.3;
}
.article-body h3 {
  font-size: 1.12rem;
  margin: 24px 0 10px;
  font-weight: 700;
}
.article-body ul, .article-body ol { margin: 0 0 18px; padding-left: 24px; }
.article-body li { margin-bottom: 9px; }
.article-body strong { font-weight: 700; }
.article-body blockquote {
  margin: 22px 0;
  padding: 6px 0 6px 20px;
  border-left: 3px solid var(--teal);
  color: var(--ink-soft);
  font-style: italic;
}

.numbered-points { list-style: none; padding: 0; margin: 0 0 18px; counter-reset: pt; }
.numbered-points li {
  position: relative;
  padding-left: 44px;
  margin-bottom: 16px;
  counter-increment: pt;
}
.numbered-points li::before {
  content: counter(pt);
  position: absolute; left: 0; top: 0;
  width: 30px; height: 30px;
  background: var(--teal);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem;
}

.article-tags {
  margin-top: 30px; padding-top: 18px;
  border-top: 1px solid var(--rule);
  font-size: 0.85rem; color: var(--ink-faint);
}
.article-tags .label { font-weight: 700; margin-right: 8px; }
.article-tags a {
  display: inline-block; background: var(--teal-light);
  color: var(--teal-dark); padding: 3px 10px; border-radius: 3px;
  margin: 0 5px 5px 0; font-size: 0.8rem;
}
.article-tags a:hover { text-decoration: none; background: #d3e9ea; }

/* ---------- Sidebar ---------- */

.sidebar > .widget { background: var(--card); border: 1px solid var(--rule); padding: 22px 24px; margin-bottom: 22px; }
.widget h3 {
  font-size: 1.05rem; margin: 0 0 14px; padding-bottom: 10px;
  border-bottom: 2px solid var(--teal); display: inline-block;
}
.widget.search input[type="text"] {
  width: 100%; padding: 9px 11px; border: 1px solid #ccc; font-size: 0.9rem;
  font-family: inherit;
}
.widget ul { list-style: none; margin: 0; padding: 0; }
.widget ul li { padding: 8px 0; border-bottom: 1px solid #f0f0f0; font-size: 0.92rem; line-height: 1.4; }
.widget ul li:last-child { border-bottom: none; }
.widget.about p { margin: 0; font-size: 0.92rem; color: var(--ink-soft); }

/* ---------- Homepage grid ---------- */

.post-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.post-card {
  background: var(--card); border: 1px solid var(--rule); padding: 24px 26px;
}
.post-card .date { font-size: 0.76rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 8px; }
.post-card h2 { font-size: 1.28rem; line-height: 1.3; margin: 0 0 10px; }
.post-card h2 a { color: var(--ink); }
.post-card h2 a:hover { color: var(--teal); text-decoration: none; }
.post-card .excerpt { font-size: 0.92rem; color: var(--ink-soft); margin: 0 0 12px; }
.post-card .cat { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--teal); font-weight: 700; }
.post-card.lead { grid-column: 1 / -1; }
.post-card.lead h2 { font-size: 1.7rem; }

.page-title { background: var(--teal); color: #fff; padding: 22px 38px; margin-bottom: 24px; }
.page-title h1 { margin: 0; font-size: 1.6rem; font-weight: 700; }
.page-title .crumb { font-size: 0.82rem; color: rgba(255,255,255,0.85); margin-top: 3px; }

/* ---------- Related ---------- */
.related { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--rule); }
.related h3 { font-size: 1.05rem; margin: 0 0 16px; }
.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.related-item a { color: var(--ink); font-weight: 600; font-size: 0.98rem; line-height: 1.3; }
.related-item a:hover { color: var(--teal); text-decoration: none; }
.related-item .r-date { display: block; font-size: 0.72rem; color: var(--ink-faint); margin-top: 4px; font-weight: 400; }

/* ---------- Footer ---------- */

.site-foot { background: var(--teal-dark); color: rgba(255,255,255,0.85); padding: 34px 0 30px; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 34px; }
.site-foot h4 { color: #fff; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 12px; }
.site-foot ul { list-style: none; margin: 0; padding: 0; }
.site-foot li { margin-bottom: 7px; }
.site-foot a { color: rgba(255,255,255,0.85); font-size: 0.9rem; }
.site-foot a:hover { color: #fff; }
.site-foot .about-text { font-size: 0.9rem; line-height: 1.6; max-width: 44ch; }
.foot-bottom { margin-top: 26px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.18); font-size: 0.8rem; color: rgba(255,255,255,0.6); }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { order: 2; }
  .post-grid, .related-grid { grid-template-columns: 1fr; }
  .site-head .wrap { height: auto; padding: 12px 24px; flex-wrap: wrap; gap: 12px; }
  .main-nav { margin-left: 0; width: 100%; }
  .main-nav ul { gap: 18px; flex-wrap: wrap; }
  .foot-grid { grid-template-columns: 1fr; gap: 24px; }
  .card { padding: 24px; }
}
@media (max-width: 520px) {
  .article-head h1 { font-size: 1.5rem; }
  .article-body h2 { font-size: 1.2rem; }
}

a:focus-visible { outline: 2px solid var(--teal-dark); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce){ *{transition:none!important} }