/* =============================================================================
   UploMD blog

   The guides each inline their own copy of this stylesheet — fine for eight
   static pages that rarely change. The blog is meant to grow, so it gets one
   shared file instead: a new post is an HTML file and nothing else.

   Tokens and component names are lifted from guides/index.html on purpose. The
   blog is the same site in a different voice, not a second design.
   ============================================================================= */

:root{--ink:#0c1320;--muted:#6b7686;--line:#e6eaf0;--bg:#fff;--navy:#0b1424;
  --brand:#2563eb;--brand-d:#1d4ed8;--radius:16px;--shadow:0 10px 40px rgba(13,32,64,.10)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px}
.article{max-width:748px;margin:0 auto;padding:0 22px}
.btn{display:inline-block;padding:10px 18px;border-radius:12px;font-weight:600;font-size:.95rem;
  border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d);text-decoration:none}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:#c7d2e2;text-decoration:none}
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:92px}
.logo-img{height:72px;width:auto;display:block}
.logo-img-dark{display:none}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-right a.txt{color:var(--ink);font-weight:600;font-size:.92rem}
.crumbs{font-size:.82rem;color:var(--muted);padding:22px 0 0}
.crumbs a{color:var(--muted)}
.eyebrow{display:inline-block;margin:26px 0 10px;font-size:.78rem;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}
h1{font-size:2.15rem;line-height:1.15;letter-spacing:-.02em;margin:0 0 14px;text-wrap:balance}
.lede{font-size:1.18rem;color:#39424f;margin:0 0 10px}
h2{font-size:1.4rem;letter-spacing:-.01em;margin:34px 0 10px}
h3{font-size:1.1rem;margin:26px 0 8px}
p{margin:0 0 14px}
ul,ol{margin:0 0 16px;padding-left:20px}
li{margin:6px 0}
blockquote{margin:26px 0;padding:2px 0 2px 20px;border-left:3px solid var(--brand);
  font-size:1.1rem;color:#39424f}
blockquote p:last-child{margin:0}

/* Byline — the whole point of the blog is that a named clinician wrote it, so
   it gets the author's credentials rather than the guides' "By UploMD". */
.byline{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;font-size:.85rem;
  color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:8px}
.byline .who{font-weight:700;color:var(--ink)}
.byline .dot{color:var(--muted);opacity:.55}

/* Audience tag. One blog serves patients, firms and clinicians; the tag says
   who a post is for before the reader has to work it out from the first line. */
.tag{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;padding:4px 10px;border-radius:999px;border:1px solid var(--line);
  color:var(--muted);background:#f7f9fc}
.tag-patients{color:#1d4ed8;border-color:#c7d9fb;background:#eff5ff}
.tag-firms{color:#7c221d;border-color:#f0cfcc;background:#fdf3f2}
.tag-clinicians{color:#166534;border-color:#c3e6ce;background:#f0faf3}

.callout{background:linear-gradient(180deg,#f5f8ff,#eef3ff);border:1px solid #dbe6fb;
  border-radius:var(--radius);padding:22px 24px;margin:30px 0}
.callout h3{margin:0 0 6px;font-size:1.15rem;color:var(--navy)}
.callout p{margin:0 0 14px;color:#39424f}

/* A sourced statistic, pulled out so the reader can see the citation without
   chasing a footnote. Credibility is the product here. */
.stat{border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:12px;
  padding:16px 18px;margin:22px 0;background:#fbfcfe}
.stat .n{font-size:1.35rem;font-weight:700;letter-spacing:-.01em;display:block;margin-bottom:4px}
.stat .src{font-size:.8rem;color:var(--muted);display:block;margin-top:8px}

.related{margin:44px 0;border-top:1px solid var(--line);padding-top:26px}
.related h2{margin-top:0}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.related-grid a{display:block;border:1px solid var(--line);border-radius:12px;padding:14px 16px;
  color:var(--ink);font-weight:600}
.related-grid a:hover{border-color:#c7d2e2;text-decoration:none}

.hub-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:26px 0 10px}
.card{display:block;border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  color:var(--ink);background:#fff}
.card:hover{border-color:#c7d2e2;box-shadow:var(--shadow);text-decoration:none}
.card h3{margin:10px 0 8px;font-size:1.18rem;letter-spacing:-.01em}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.card .meta{font-size:.78rem;color:var(--muted);margin-top:12px}

.sources{margin:40px 0 0;border-top:1px solid var(--line);padding-top:22px;font-size:.88rem}
.sources h2{font-size:1.05rem;margin:0 0 10px}
.sources ol{padding-left:20px;color:var(--muted)}
.sources li{margin:8px 0}

.disclaimer{font-size:.8rem;color:var(--muted);background:#f7f9fc;border:1px solid var(--line);
  border-radius:12px;padding:14px 16px;margin:34px 0 0}
footer{background:var(--navy);color:#c7d2e2;margin-top:50px;padding:40px 0 30px}
footer a{color:#c7d2e2}
.foot-bottom{font-size:.82rem;color:#8ea3c7}
@media(max-width:720px){h1{font-size:1.7rem}.related-grid,.hub-grid{grid-template-columns:1fr}}

@media (prefers-color-scheme:dark){
  :root{--ink:#e9eef6;--muted:#8b98ac;--line:#233247;--bg:#0b1220;--navy:#0b1220;
    --brand:#5b9be0;--brand-d:#7fb4ec;--shadow:0 0 44px rgba(185,210,255,.20),0 18px 48px rgba(0,0,0,.44)}
  .nav{background:rgba(11,18,32,.9)}
  .lede,blockquote{color:#b8c3d5}
  .btn-ghost{background:#1b2a41;color:#eaf1fb;border-color:#3a5273}
  .btn-ghost:hover{background:#243651;border-color:#4a668c}
  .tag{background:#17253d;border-color:#2b3f5b;color:#8b98ac}
  .tag-patients{color:#8fbee4;border-color:#2f4a6b;background:#16253c}
  .tag-firms{color:#e8a49c;border-color:#5c3833;background:#2e1e1c}
  .tag-clinicians{color:#8fd3a8;border-color:#2c4c39;background:#152a1f}
  .card,.related-grid a,.faq details{background:#17253d;border-color:#2b3f5b;color:#e9eef6;
    box-shadow:0 0 34px rgba(185,210,255,.12),0 12px 34px rgba(0,0,0,.36)}
  .card:hover,.related-grid a:hover{border-color:#4a668c}
  .card p,.card .meta{color:#8b98ac}
  .stat{background:#131f33;border-color:#2b3f5b;border-left-color:var(--brand)}
  .callout{background:linear-gradient(180deg,#16233b,#131f33);border-color:#2b3f5b}
  .callout h3{color:#e9eef6}
  .callout p{color:#b8c3d5}
  .disclaimer{background:#101b2c;border-color:#233247}
  .logo-img-light{display:none}
  .logo-img-dark{display:block}
}