/* iCited blog — shared styles. Static, crawlable-first: every post is real
   HTML that AI engines and non-JS crawlers read directly. Palette mirrors the
   app design tokens (indigo #4f46e5 primary, ink #1c1e33, Inter). */
:root {
  --primary: #4f46e5;
  --primary-deep: #3730a3;
  --ink: #1c1e33;
  --fg: #1c1e33;
  --muted-fg: #5b5f73;
  --muted: #f4f4f7;
  --border: #e4e4ec;
  --success: #1b9c5d;
  --warn: #d68a0c;
  --bad: #dc2626;
  --radius: 14px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: "Inter", "Helvetica Neue", Arial, system-ui, sans-serif;
  color: var(--fg); background: #fff; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid rgba(228,228,236,.7);
  background: rgba(255,255,255,.85); backdrop-filter: blur(8px);
}
.site-header .row { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; font-size: 19px; letter-spacing: -0.02em; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .mark { width: 30px; height: 30px; border-radius: 8px; background: var(--primary); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-family: Georgia, serif; font-weight: 800; font-size: 18px; }
.brand .c { color: var(--primary); }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: var(--muted-fg); font-size: 14px; font-weight: 500; }
.nav a:hover { color: var(--ink); text-decoration: none; }
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--primary); color: #fff; font-weight: 600; font-size: 14px;
  padding: 9px 16px; border-radius: 10px; border: 1px solid var(--primary);
}
.btn:hover { background: var(--primary-deep); text-decoration: none; }
.btn.outline { background: transparent; color: var(--ink); border-color: var(--border); }
.btn.outline:hover { background: var(--muted); }
@media (max-width: 720px) { .nav a:not(.btn) { display: none; } }

/* Blog index */
.blog-hero { text-align: center; padding: 64px 0 40px; }
.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--primary); }
.blog-hero h1 { font-size: 40px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; margin-top: 12px; }
.blog-hero p { max-width: 620px; margin: 16px auto 0; color: var(--muted-fg); font-size: 17px; }

.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; padding: 8px 0 72px; }
.post-card {
  display: flex; flex-direction: column;
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; background: #fff; transition: box-shadow .2s, transform .2s, border-color .2s;
}
.post-card:hover { box-shadow: 0 12px 32px rgba(28,30,51,.09); transform: translateY(-2px); border-color: #d4d4e2; text-decoration: none; }
.post-card .tag { align-self: flex-start; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--primary); background: #eef0fe; padding: 3px 9px; border-radius: 999px; }
.post-card h2 { margin-top: 14px; font-size: 21px; font-weight: 700; letter-spacing: -0.02em; color: var(--ink); line-height: 1.25; }
.post-card p { margin-top: 10px; color: var(--muted-fg); font-size: 15px; flex: 1; }
.post-card .meta { margin-top: 16px; font-size: 13px; color: var(--muted-fg); }
.post-card .more { margin-top: 12px; font-size: 14px; font-weight: 600; color: var(--primary); }

/* Article */
.article { max-width: 720px; margin: 0 auto; padding: 48px 0 24px; }
.article .kicker { margin-bottom: 14px; }
.article .kicker a { color: var(--muted-fg); font-size: 13px; font-weight: 600; }
.article h1 { font-size: 38px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.12; color: var(--ink); }
.article .byline { margin-top: 18px; padding-bottom: 24px; margin-bottom: 8px; border-bottom: 1px solid var(--border); font-size: 14px; color: var(--muted-fg); }
.article .byline b { color: var(--ink); font-weight: 600; }
.article .lead { font-size: 19px; line-height: 1.6; color: #33364a; margin: 24px 0; }
.article h2 { font-size: 25px; font-weight: 800; letter-spacing: -0.02em; color: var(--ink); margin: 40px 0 4px; }
.article h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin: 28px 0 2px; }
.article p { margin: 14px 0; font-size: 17px; }
.article ul, .article ol { margin: 14px 0 14px 22px; }
.article li { margin: 8px 0; font-size: 17px; }
.article strong { color: var(--ink); }
.article code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 14px; background: var(--muted); padding: 2px 6px; border-radius: 6px; }
.article blockquote { margin: 20px 0; padding: 4px 20px; border-left: 4px solid var(--primary); color: #33364a; font-style: italic; }
.article hr { border: none; border-top: 1px solid var(--border); margin: 40px 0; }

.callout { background: #eef0fe; border-left: 4px solid var(--primary); border-radius: 0 12px 12px 0; padding: 16px 20px; margin: 24px 0; font-size: 16px; }
.callout b { color: var(--primary-deep); }

.scorejump { display: flex; align-items: center; justify-content: center; gap: 16px; margin: 28px 0; padding: 22px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--muted); }
.scorejump .n { font-size: 44px; font-weight: 900; letter-spacing: -0.03em; }
.scorejump .before { color: var(--bad); }
.scorejump .after { color: var(--success); }
.scorejump .arrow { color: var(--muted-fg); font-size: 28px; }
.scorejump .lbl { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted-fg); text-align: center; display: block; margin-top: 2px; }

table { border-collapse: collapse; width: 100%; margin: 20px 0; font-size: 15px; }
th { text-align: left; background: var(--ink); color: #fff; font-weight: 600; padding: 9px 12px; }
td { padding: 9px 12px; border-top: 1px solid var(--border); vertical-align: top; }
tbody tr:nth-child(even) { background: #fafafc; }

.cta-band { margin: 48px auto; max-width: 720px; }
.cta-inner { background: linear-gradient(150deg, #1c1e33, #3730a3); color: #fff; border-radius: 20px; padding: 40px 32px; text-align: center; }
.cta-inner h2 { color: #fff; margin: 0; font-size: 26px; }
.cta-inner p { color: rgba(255,255,255,.8); margin: 12px auto 22px; max-width: 460px; }
.cta-inner .btn { background: #fff; color: var(--ink); border-color: #fff; }
.cta-inner .btn:hover { background: rgba(255,255,255,.9); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 24px; }
.site-footer .row { display: flex; flex-direction: column; gap: 8px; align-items: center; justify-content: space-between; padding: 24px 0; font-size: 12px; color: var(--muted-fg); }
.site-footer .links { display: flex; gap: 18px; }
.site-footer a { color: var(--muted-fg); }
.site-footer a:hover { color: var(--ink); }
@media (min-width: 640px) { .site-footer .row { flex-direction: row; } }

@media (max-width: 640px) {
  .blog-hero h1 { font-size: 30px; }
  .article h1 { font-size: 28px; }
  .article .lead { font-size: 17px; }
  .article p, .article li { font-size: 16px; }
}