/* HigherGEO shared styles for content & comparison pages */
:root {
  --bg: #f6f8fc; --card: #ffffff; --ink: #0f172a; --muted: #5b6b83;
  --brand: #4f46e5; --brand-2: #06b6d4; --border: #e3e8f0;
  --ok: #059669; --warn: #d97706;
  --radius: 16px; --shadow: 0 10px 40px rgba(15, 23, 42, .08);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #eef2ff 0%, var(--bg) 45%);
  color: var(--ink); min-height: 100vh; line-height: 1.65;
}
a { color: var(--brand); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px 72px; }

/* Top bar */
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; gap: 12px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; letter-spacing: -.02em; text-decoration: none; color: var(--ink); }
.brand .dot { width: 26px; height: 26px; border-radius: 8px; background: linear-gradient(135deg, var(--brand), var(--brand-2)); display: inline-block; }
.nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: .93rem; padding: 8px 10px; border-radius: 8px; }
.nav a:hover { background: #eef1fb; }
.nav a.cta { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; }
.nav a.cta:hover { opacity: .92; background: linear-gradient(135deg, var(--brand), var(--brand-2)); }

/* Breadcrumb */
.crumbs { font-size: .84rem; color: var(--muted); margin: 10px 0 0; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }

/* Article */
article { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 34px 38px; box-shadow: var(--shadow); margin-top: 18px; }
article header h1 { font-size: clamp(1.7rem, 4vw, 2.5rem); line-height: 1.15; letter-spacing: -.03em; margin: 0 0 10px; }
article header h1 .grad { background: linear-gradient(135deg, var(--brand), var(--brand-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.updated { color: var(--muted); font-size: .85rem; margin: 0 0 6px; }
.lede { font-size: 1.12rem; color: var(--ink); margin: 4px 0 0; }
article h2 { font-size: 1.45rem; letter-spacing: -.02em; margin: 34px 0 8px; padding-top: 8px; }
article h3 { font-size: 1.1rem; margin: 22px 0 6px; }
article p { margin: 10px 0; }
article ul, article ol { margin: 10px 0; padding-left: 22px; }
article li { margin: 6px 0; }
article strong { color: var(--ink); }

/* TL;DR / answer box */
.tldr { background: #eef2ff; border: 1px solid #d9def7; border-left: 4px solid var(--brand); border-radius: 12px; padding: 16px 18px; margin: 18px 0 6px; }
.tldr b { display: block; text-transform: uppercase; letter-spacing: .06em; font-size: .74rem; color: var(--brand); margin-bottom: 6px; }
.tldr p { margin: 0; }

.keytakeaways { background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: 12px; padding: 14px 18px 14px 20px; margin: 16px 0; }
.keytakeaways b { color: var(--ok); }

/* Comparison table */
.table-scroll { overflow-x: auto; margin: 16px 0; }
table.cmp { width: 100%; border-collapse: collapse; font-size: .93rem; min-width: 520px; }
table.cmp th, table.cmp td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.cmp thead th { background: #f2f4fb; font-weight: 700; color: var(--ink); border-bottom: 2px solid var(--border); }
table.cmp tbody tr:nth-child(even) { background: #fafbff; }
table.cmp td.yes { color: var(--ok); font-weight: 700; }
table.cmp td.no { color: var(--muted); }
table.cmp .hg { background: #eef2ff; font-weight: 700; }

/* FAQ */
.faq { margin-top: 12px; }
.faq details { border: 1px solid var(--border); border-radius: 12px; padding: 4px 16px; margin: 10px 0; background: var(--card); }
.faq summary { font-weight: 700; cursor: pointer; padding: 12px 0; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--brand); font-weight: 800; }
.faq details[open] summary::after { content: "\2013"; }
.faq details p { margin: 0 0 14px; color: var(--muted); }

/* Callout CTA */
.cta-box { text-align: center; background: linear-gradient(135deg, #eef2ff, #ecfeff); border: 1px solid #d9def7; border-radius: var(--radius); padding: 26px; margin: 30px 0 4px; }
.cta-box h2 { margin: 0 0 6px; }
.cta-box p { color: var(--muted); margin: 0 0 16px; }
.btn { display: inline-block; border: 0; cursor: pointer; background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; font-weight: 700; font-size: 1rem; padding: 13px 26px; border-radius: 999px; text-decoration: none; }
.btn:hover { opacity: .93; }

/* Related links */
.related { margin: 24px 0 0; }
.related h2 { font-size: 1.2rem; }
.related ul { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.related a { display: block; border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; text-decoration: none; background: var(--card); color: var(--ink); font-weight: 600; }
.related a:hover { border-color: var(--brand); background: #f5f5ff; }

/* Sources */
.sources { font-size: .9rem; }
.sources li { margin: 4px 0; }

footer { text-align: center; color: var(--muted); font-size: .85rem; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border); }
footer a { color: var(--muted); }
footer .flinks { margin-bottom: 8px; }
footer .flinks a { margin: 0 8px; }

@media (max-width: 640px) {
  article { padding: 24px 20px; }
  .related ul { grid-template-columns: 1fr; }
}