:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5a5a5a;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --border: #e5e7eb;
  --card-bg: #f8fafc;
  --max-width: 780px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }
img { max-width: 100%; height: auto; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 28px 22px; }
.site-header {
  border-bottom: 1px solid var(--border);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .container { padding-top: 14px; padding-bottom: 14px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.site-brand { font-weight: 700; font-size: 18px; color: var(--fg); }
.site-brand:hover { text-decoration: none; }
.site-nav a { margin-left: 18px; color: var(--muted); font-size: 15px; }
.site-nav a:hover { color: var(--accent); text-decoration: none; }

h1 { font-size: 36px; line-height: 1.2; margin-top: 0; margin-bottom: 12px; letter-spacing: -0.02em; }
h2 { font-size: 26px; line-height: 1.3; margin-top: 38px; margin-bottom: 14px; letter-spacing: -0.01em; }
h3 { font-size: 20px; margin-top: 24px; margin-bottom: 10px; }
p { margin: 14px 0; }
ul, ol { padding-left: 22px; }
li { margin: 6px 0; }
code { background: var(--card-bg); padding: 2px 6px; border-radius: 4px; font-size: 14px; }

.hero { padding: 50px 22px 30px; text-align: left; }
.hero p { font-size: 18px; color: var(--muted); }

.article-list { list-style: none; padding: 0; }
.article-list li {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.article-list li:last-child { border-bottom: none; }
.article-list a {
  font-size: 19px;
  font-weight: 600;
  color: var(--fg);
}
.article-list a:hover { color: var(--accent); text-decoration: none; }
.article-meta { font-size: 13px; color: var(--muted); margin-top: 4px; }
.article-excerpt { font-size: 15px; color: var(--muted); margin-top: 6px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
  margin: 12px 6px 12px 0;
}
.btn:hover { background: var(--accent-hover); text-decoration: none; }

.btn-affiliate {
  background: #16a34a;
}
.btn-affiliate:hover { background: #15803d; }

.disclosure-banner {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 14px;
  color: #7c2d12;
  margin: 20px 0;
}

.cta-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px;
  margin: 32px 0;
}
.cta-box h3 { margin-top: 0; }

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 26px;
  font-size: 15px;
}
.comparison-table th, .comparison-table td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
}
.comparison-table th {
  background: var(--card-bg);
  font-weight: 600;
}

.pill {
  display: inline-block;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 13px;
  color: var(--muted);
  margin-right: 6px;
}

.footer {
  border-top: 1px solid var(--border);
  margin-top: 50px;
  padding: 24px 0;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}
.footer a { color: var(--muted); }

@media (max-width: 600px) {
  .container { padding: 22px 16px; }
  h1 { font-size: 28px; }
  h2 { font-size: 22px; }
  .site-nav { width: 100%; }
  .site-nav a { margin-left: 0; margin-right: 14px; font-size: 14px; }
}

/* ---------- Support / Tip jar / Ads ---------- */
.tip-jar { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 24px; margin: 28px 0; }
.tip-jar h3 { margin-top: 0; }
.crypto-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 18px; margin-top: 16px; }
.crypto-cell { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 14px; text-align: center; }
.crypto-label { font-weight: 700; margin-bottom: 8px; }
.qr-img { display: block; margin: 0 auto 10px; max-width: 100%; height: auto; }
.crypto-addr { display: block; font-size: 11px; color: var(--muted); word-break: break-all; margin-bottom: 8px; }
.copy-btn { background: var(--accent); color: #fff; border: 0; padding: 6px 14px; border-radius: 4px; cursor: pointer; font-size: 13px; }
.copy-btn:hover { background: var(--accent-hover); }
.btn-sponsor { background: #ea4aaa !important; }
.btn-sponsor:hover { background: #cf3a98 !important; }
.ad-slot, .ad-slot-empty, .ad-placeholder { background: #f3f4f6; border: 1px dashed #cbd5e1; border-radius: 6px; padding: 30px 12px; text-align: center; color: #6b7280; font-size: 13px; margin: 18px 0; }
.support-banner-inner { background: #1e293b; color: #fff; padding: 10px 22px; text-align: center; font-size: 14px; }
.support-banner-inner a { color: #fde68a; font-weight: 600; text-decoration: underline; margin-left: 8px; }
.support-cta-inline { background: #fef3c7; border: 1px solid #fcd34d; padding: 16px 18px; border-radius: 8px; margin: 24px 0; }
.support-cta-inline strong { color: #92400e; }