/* ============================================================
   Prepmedication.com — shared stylesheet for the SEO content
   pages (drug guides, comparison, checker, privacy).
   The interactive tool (index-9.html) keeps its own inline CSS;
   this file only styles the added landing pages so they stay
   visually consistent with the main app.
   ============================================================ */
:root{
  --bg:#eef2f7; --surface:#ffffff; --surface-2:#f6f9fc; --ink:#0b1220; --ink-2:#2f3c4f; --muted:#51607a; --faint:#94a3b8; --line:#cdd6e3; --line-strong:#aeb9cc; --field-bg:#f4f7fb; --field-border:#b7c2d4;
  --brand:#0f766e; --brand-600:#0d9488; --brand-700:#115e59; --brand-soft:#d5f6ef;
  --accent:#7c5cff; --accent-cyan:#22d3ee;
  --tdf:#0369a1; --taf:#047857; --cab:#6d28d9; --lena:#be123c; --ond:#155e75;
  --red:#dc2626; --red-700:#b91c1c; --red-soft:#fee2e2;
  --shadow:0 24px 50px -28px rgba(15,23,42,.32); --shadow-sm:0 8px 24px -14px rgba(15,23,42,.20);
  --radius:20px; --glow1:rgba(13,148,136,.12); --glow2:rgba(124,92,255,.10);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
[data-theme="dark"]{
  --bg:#0a1120; --surface:#121c31; --surface-2:#0e1830; --ink:#e8eef7; --ink-2:#b7c4d7; --muted:#8b9bb3; --faint:#607089; --line:#26344b; --brand-soft:#123d38;
  --shadow:0 26px 60px -30px rgba(0,0,0,.72); --shadow-sm:0 10px 26px -14px rgba(0,0,0,.55);
  --glow1:rgba(13,148,136,.22); --glow2:rgba(124,92,255,.18);
  --line:#2b3a54; --line-strong:#3d4f6e; --field-bg:#0d1728; --field-border:#3a4b68;
  color-scheme:dark;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--font);color:var(--ink);font-size:17px;line-height:1.68;-webkit-font-smoothing:antialiased;transition:background-color .25s ease,color .25s ease;
  background:radial-gradient(1200px 520px at 82% -8%,var(--glow1),transparent 60%),radial-gradient(1000px 520px at -6% 6%,var(--glow2),transparent 55%),var(--bg);background-attachment:fixed;}
/* Content-grid: outer frame matches the homepage (1180) so the site header is
   identical on every page and never jumps; the article sits in a centered
   ~960px reading column, leaving side gutters that can hold ads later. */
.page{width:min(1560px,95vw);max-width:100%;margin:0 auto;padding:22px 26px 64px;}
.page > *{min-width:0;}
a{color:var(--brand-700);}
img{max-width:100%;}

/* header + nav */
.hdr{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:16px;}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;letter-spacing:-.02em;font-size:18px;text-decoration:none;color:var(--ink);}
.brand .logo{width:34px;height:34px;filter:drop-shadow(0 5px 9px rgba(15,118,110,.45));}
.lw-prep{color:var(--brand-600);} .lw-med{color:#2563eb;} .lw-com{color:var(--muted);}
.hdr-meta{font-size:12.5px;color:var(--muted);font-weight:600;background:var(--surface);border:1px solid var(--line);padding:6px 12px;border-radius:999px;box-shadow:var(--shadow-sm);}
.topnav{display:flex;align-items:center;gap:5px;flex-wrap:wrap;margin:0 0 20px;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);}
.topnav a{font-size:13.5px;font-weight:700;color:var(--muted);text-decoration:none;padding:8px 12px;border-radius:9px;display:inline-flex;align-items:center;gap:7px;transition:background .15s,color .15s;}
.topnav a:hover{background:var(--surface-2);color:var(--ink);}
.topnav a[aria-current="page"]{background:var(--brand-soft);color:var(--brand-700);}
.topnav .nav-spacer{flex:1;min-width:8px;}
.topnav a.nav-pep{background:var(--red-soft);color:var(--red);border:1px solid #fecaca;font-weight:800;}
.topnav a.nav-pep:hover{background:#fee2e2;color:var(--red-700);}
.np-dot{width:8px;height:8px;border-radius:50%;background:var(--red);}

/* hero */
.kicker{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-700);background:var(--brand-soft);padding:6px 12px;border-radius:999px;margin-bottom:12px;}
h1{font-size:clamp(28px,4.8vw,46px);line-height:1.08;margin:0 0 12px;letter-spacing:-.03em;font-weight:900;}
.grad{background:linear-gradient(115deg,var(--brand-600) 5%,var(--accent) 95%);-webkit-background-clip:text;background-clip:text;color:transparent;}
.subtitle{font-size:18.5px;line-height:1.62;color:var(--ink-2);max-width:none;margin:0 0 4px;}
.subtitle b{color:var(--ink);}
/* drug-accent hero band */
.drug-hero{border-radius:20px;padding:24px 26px;color:#fff;box-shadow:var(--shadow);margin-bottom:8px;position:relative;overflow:hidden;}
.drug-hero::before{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 70%);}
.drug-hero.tdf{background:linear-gradient(135deg,#0ea5e9,#0369a1);}
.drug-hero.taf{background:linear-gradient(135deg,#10b981,#047857);}
.drug-hero.cab{background:linear-gradient(135deg,#8b5cf6,#6d28d9);}
.drug-hero .pill{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;background:rgba(255,255,255,.2);padding:6px 12px;border-radius:999px;margin-bottom:12px;}
.drug-hero h1{margin:0 0 8px;position:relative;}
.drug-hero p{font-size:17px;opacity:.96;max-width:none;margin:0;position:relative;}

/* review byline */
.review-byline{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:14px 0 0;padding:11px 14px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);max-width:none;}
.rb-ic{width:38px;height:38px;flex:none;border-radius:11px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-700);}
.rb-text{min-width:0;}
.rb-text b{display:block;font-size:13px;font-weight:800;color:var(--ink);line-height:1.3;}
.rb-text span{font-size:12px;color:var(--muted);font-weight:600;line-height:1.45;}
.rb-text a{color:var(--brand-700);font-weight:700;text-decoration:none;}
.rb-text a:hover{text-decoration:underline;}

/* sections + typography */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm);margin-top:18px;transition:box-shadow .2s ease,border-color .2s ease;}
h2{font-size:27px;font-weight:900;letter-spacing:-.025em;margin:0 0 10px;line-height:1.2;}
h3{font-size:19px;font-weight:800;margin:18px 0 7px;line-height:1.3;}
.card > p, .card li{font-size:16.5px;color:var(--ink-2);}
.card > p{margin:0 0 13px;}
.lead-sub{color:var(--muted);font-size:16px;margin:0 0 16px;}
ul.clean{margin:0;padding-left:20px;line-height:1.7;}
ul.clean b{color:var(--ink);}

/* quick facts */
.quickfacts{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;}
.qf{display:flex;gap:10px;align-items:flex-start;border-bottom:1px dashed var(--line);padding:9px 0;font-size:15.5px;}
.qf .k{color:var(--muted);font-weight:700;min-width:132px;flex:none;}
.qf .v{color:var(--ink-2);font-weight:600;}
.qf .v b{color:var(--ink);}

/* side-effect rows */
.sxrow{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--surface-2);margin-bottom:9px;}
.sxrow .pct{flex:none;min-width:62px;text-align:center;font-weight:900;font-size:15px;border-radius:9px;padding:8px 4px;line-height:1.1;}
.sxrow .pct small{display:block;font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.03em;opacity:.8;}
.sxrow .pct.hi{background:#fef2f2;color:#dc2626;} .sxrow .pct.mid{background:#eff6ff;color:#1d4ed8;} .sxrow .pct.lo{background:#ecfdf5;color:#047857;}
.sxrow .sxinfo b{display:block;font-size:16px;color:var(--ink);}
.sxrow .sxinfo span{font-size:15px;color:var(--ink-2);}
.sxrow.urgent{border-left:4px solid var(--red);background:#fff5f5;}

/* tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);margin-top:6px;}
table{border-collapse:collapse;width:100%;min-width:620px;background:var(--surface);font-size:16px;}
th,td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line);vertical-align:top;}
th{background:var(--surface-2);font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:800;}
tr:last-child td{border-bottom:none;}
td b{color:var(--ink);}
th.h-cab{color:var(--cab);} th.h-tdf{color:var(--tdf);} th.h-taf{color:var(--taf);}
.yes{color:#047857;font-weight:700;} .warn{color:#b45309;font-weight:700;} .no{color:#94a3b8;}

/* callouts */
.callout{border:1px solid var(--line);border-left:4px solid var(--brand-600);background:var(--surface-2);border-radius:12px;padding:15px 17px;font-size:15.5px;color:var(--ink-2);margin-top:12px;}
.callout.red{border-left-color:var(--red);background:#fff5f5;}
.callout.blue{border-left-color:#2563eb;background:#eff6ff;}
.callout.amber{border-left-color:#b45309;background:#fffdf5;}
.callout b{color:var(--ink);}

/* badges */
.badge{display:inline-block;font-size:10.5px;font-weight:800;padding:2px 9px;border-radius:999px;}
.badge.g{background:#ecfdf5;color:#047857;} .badge.r{background:#fef2f2;color:#dc2626;} .badge.n{background:#eef2ff;color:#4338ca;} .badge.a{background:#fff7ed;color:#b45309;}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:12px;background:var(--surface);margin-bottom:9px;overflow:hidden;transition:border-color .15s,box-shadow .15s;}
.faq details[open]{border-color:var(--brand-600);box-shadow:0 0 0 2px rgba(13,148,136,.1);}
.faq summary{list-style:none;cursor:pointer;padding:13px 15px;font-weight:800;font-size:16px;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:10px;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-size:20px;font-weight:800;color:var(--brand-600);flex:none;transition:transform .2s;}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq details p{margin:0;padding:0 15px 15px;font-size:15.5px;color:var(--ink-2);line-height:1.62;}

/* CTA */
.cta{background:linear-gradient(135deg,#0d9488,#115e59);color:#fff;border-radius:18px;padding:24px;margin-top:22px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.cta h2{color:#fff;margin:0 0 4px;} .cta p{margin:0;opacity:.95;font-size:16px;max-width:none;}
.btns{display:flex;gap:10px;flex-wrap:wrap;}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:14px;padding:12px 18px;border-radius:12px;text-decoration:none;cursor:pointer;border:none;font-family:inherit;transition:transform .12s;}
.btn:hover{transform:translateY(-2px);}
.btn-white{background:var(--surface);color:var(--brand-700);box-shadow:0 8px 18px -8px rgba(0,0,0,.35);}
.btn-ghost-w{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.4);}
.btn-teal{background:linear-gradient(135deg,var(--brand-600),var(--brand-700));color:#fff;box-shadow:0 10px 22px -10px rgba(13,148,136,.75);}
.btn-outline{background:var(--surface);color:var(--ink);border:1px solid var(--line);}

/* related links cluster */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:8px;}
.related a{display:block;border:1px solid var(--line);border-radius:12px;padding:13px 15px;background:var(--surface);text-decoration:none;transition:transform .12s,box-shadow .12s,border-color .12s;}
.related a:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);border-color:#cbd5e1;}
.related a b{display:block;color:var(--ink);font-size:15.5px;margin-bottom:2px;}
.related a span{color:var(--muted);font-size:14px;}

/* sources / footer */
.sources-block{margin-top:20px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 18px;font-size:14px;color:var(--ink-2);}
.sources-block h3{margin:0 0 8px;font-size:13px;font-weight:800;color:var(--ink);}
.sources-block ul{margin:0;padding-left:18px;line-height:1.7;}
.rev-line{margin-top:11px;padding-top:11px;border-top:1px dashed var(--line);font-weight:700;color:var(--ink);}
.disclaimer{margin-top:18px;background:var(--surface);border:1px solid var(--line);border-left:4px solid #4338ca;border-radius:14px;padding:16px 19px;font-size:14.5px;color:var(--ink-2);}
.foot{text-align:center;color:var(--faint);font-size:12.5px;margin-top:22px;line-height:1.9;}
.foot a{color:var(--brand-700);font-weight:600;}

/* ===== Article feature components (checklist, timeline, author) ===== */
.checklist{list-style:none;margin:6px 0 0;padding:0;}
.checklist li{position:relative;padding:10px 0 10px 32px;font-size:16px;color:var(--ink-2);border-bottom:1px dashed var(--line);line-height:1.55;}
.checklist li:last-child{border-bottom:none;}
.checklist li::before{content:"";position:absolute;left:0;top:10px;width:18px;height:18px;border-radius:5px;border:2px solid var(--brand-600);background:var(--surface);}
.checklist li::after{content:"✓";position:absolute;left:3.5px;top:8px;font-size:12px;font-weight:900;color:var(--brand-600);}
.checklist li b{color:var(--ink);}
.checklist.box{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:4px 16px;}
.feature-tag{display:inline-flex;align-items:center;gap:6px;font-size:10.5px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--brand-700);background:var(--brand-soft);border-radius:999px;padding:4px 10px;margin-bottom:8px;}
/* timeline */
.tl{display:flex;flex-direction:column;margin:8px 0 0;}
.tl-step{display:flex;gap:14px;position:relative;padding-bottom:16px;}
.tl-step:last-child{padding-bottom:0;}
.tl-num{flex:none;width:34px;height:34px;border-radius:50%;background:var(--brand-600);color:#fff;font-weight:900;display:grid;place-items:center;font-size:13.5px;z-index:1;}
.tl-step:not(:last-child)::before{content:"";position:absolute;left:16px;top:36px;bottom:2px;width:2px;background:var(--line);}
.tl-b b{display:block;font-size:16px;color:var(--ink);}
.tl-b span{font-size:15px;color:var(--ink-2);line-height:1.55;}
/* author byline */
.author{display:flex;align-items:center;gap:11px;margin:14px 0 0;font-size:12.5px;color:var(--muted);flex-wrap:wrap;}
.author .ava{width:36px;height:36px;border-radius:50%;background:var(--brand-soft);color:var(--brand-700);display:grid;place-items:center;font-size:16px;flex:none;}
.author b{color:var(--ink);}

/* smooth in-page jumps */
html{scroll-behavior:smooth;}
section[id],div[id]{scroll-margin-top:14px;}

/* compact trust bar (replaces the big review block above the fold) */
.trustbar{display:flex;align-items:center;flex-wrap:wrap;gap:7px 13px;margin:2px 0 18px;font-size:12.5px;color:var(--muted);}
.trustbar .tb-badge{display:inline-flex;align-items:center;gap:6px;font-weight:800;color:var(--brand-700);background:var(--brand-soft);border:1px solid #99f6e4;border-radius:999px;padding:4px 12px;}
.trustbar .tb-badge svg{width:14px;height:14px;}
.trustbar span.tb-i{display:inline-flex;align-items:center;gap:6px;}
.trustbar a{color:var(--muted);text-decoration:underline;text-underline-offset:2px;}
.trustbar a:hover{color:var(--brand-700);}
.trustbar .sep{opacity:.45;}

/* "On this page" jump nav */
.toc{border:1px solid var(--line);background:var(--surface-2);border-radius:14px;padding:12px 14px 13px;margin:0 0 22px;}
.toc .toc-h{font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 9px;}
.toc-links{display:flex;flex-wrap:wrap;gap:7px;}
.toc-links a{font-size:13px;font-weight:600;color:var(--ink);text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 12px;transition:background .15s,border-color .15s,color .15s;}
.toc-links a:hover{background:var(--brand-soft);border-color:#99f6e4;color:var(--brand-700);}

/* framed navigation hub */
.card.explore{border:1.6px solid var(--brand-600);background:linear-gradient(180deg,#f0fdfa,#fff 62%);box-shadow:0 12px 32px -18px rgba(13,148,136,.55);}
.card.explore > h2{color:var(--brand-700);}

/* clinic profile + forms */
.cl-status{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:800;border-radius:999px;padding:4px 11px;}
.cl-status.unclaimed{background:#f1f5f9;color:#64748b;border:1px solid var(--line);}
.cl-status.verified{background:var(--brand-soft);color:var(--brand-700);border:1px solid #99f6e4;}
.cl-facts{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px;margin:6px 0;}
.cl-fact{display:flex;gap:9px;font-size:15.5px;border-bottom:1px dashed var(--line);padding:8px 0;}
.cl-fact .k{color:var(--muted);font-weight:700;min-width:92px;flex:none;}
.cl-meds{list-style:none;margin:8px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.cl-meds li{font-size:15.5px;padding:2px 0;color:var(--ink-2);}
.cl-meds .yes::before{content:"✅ ";}
.cl-meds .no{color:var(--muted);} .cl-meds .no::before{content:"⚪ ";}
.cl-chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:6px;}
.cl-chip{font-size:12.5px;font-weight:700;color:var(--brand-700);background:var(--brand-soft);border:1px solid #99f6e4;border-radius:999px;padding:5px 11px;}
#cl-map{height:260px;border-radius:14px;border:1px solid var(--line);z-index:0;background:#e8eef1;margin-top:6px;}
.cl-premnote{font-size:12.5px;color:var(--muted);background:var(--surface-2);border:1px dashed var(--line);border-radius:10px;padding:10px 13px;margin-top:10px;}
.cl-premnote b{color:var(--ink);}
.pf{display:grid;gap:11px;margin-top:10px;}
.pf label{font-size:13px;font-weight:700;color:var(--ink);display:block;margin-bottom:3px;}
.pf input[type=text],.pf input[type=email],.pf input[type=tel],.pf select,.pf textarea{width:100%;font:inherit;font-size:16px;padding:13px 15px;border:1.6px solid var(--field-border);border-radius:11px;background:var(--field-bg);color:var(--ink);transition:border-color .15s,box-shadow .15s,background .15s;}
.pf input::placeholder,.pf textarea::placeholder{color:var(--faint);}
.pf input:hover,.pf select:hover,.pf textarea:hover{border-color:var(--line-strong);}
.pf input:focus,.pf select:focus,.pf textarea:focus{outline:none;border-color:var(--brand-600);background:var(--surface);box-shadow:0 0 0 3px rgba(13,148,136,.18);}
.pf .pf-checks{display:grid;grid-template-columns:1fr 1fr;gap:6px;}
.pf .pf-check{display:flex;align-items:center;gap:7px;font-size:13.5px;font-weight:500;color:var(--ink-2);cursor:pointer;}
.pf .pf-row{display:grid;grid-template-columns:1fr 1fr;gap:11px;}
.pf button[type=submit]{justify-self:start;font:inherit;font-size:15px;font-weight:800;padding:12px 22px;border:0;border-radius:11px;cursor:pointer;color:#fff;background:linear-gradient(135deg,var(--brand-600),#0f766e);box-shadow:0 10px 22px -12px rgba(13,148,136,.8);}
.pf button[type=submit]:hover{filter:brightness(1.06);}
.pf-ok{background:#f0fdf4;border:1px solid #bbf7d0;color:#15803d;border-radius:12px;padding:14px 16px;font-size:14.5px;margin-top:10px;}
.pf-err{background:#fff5f5;border:1px solid #fecaca;color:var(--red);border-radius:10px;padding:10px 13px;font-size:13.5px;}
@media(max-width:600px){.cl-facts,.cl-meds,.pf .pf-checks,.pf .pf-row{grid-template-columns:1fr;}}

/* ===== dark-mode component tints ===== */
[data-theme="dark"] .callout{background:var(--surface-2);}
[data-theme="dark"] .callout.blue{background:rgba(37,99,235,.14);}
[data-theme="dark"] .callout.red,[data-theme="dark"] .sxrow.urgent{background:rgba(220,38,38,.13);}
[data-theme="dark"] .callout.amber{background:rgba(180,83,9,.15);}
[data-theme="dark"] .sxrow .pct.hi{background:rgba(220,38,38,.16);color:#fca5a5;}
[data-theme="dark"] .sxrow .pct.mid{background:rgba(37,99,235,.16);color:#93c5fd;}
[data-theme="dark"] .sxrow .pct.lo{background:rgba(4,120,87,.2);color:#6ee7b7;}
[data-theme="dark"] .badge.g{background:rgba(4,120,87,.2);color:#6ee7b7;}
[data-theme="dark"] .badge.r{background:rgba(220,38,38,.17);color:#fca5a5;}
[data-theme="dark"] .badge.n{background:rgba(67,56,202,.22);color:#c7d2fe;}
[data-theme="dark"] .badge.a{background:rgba(180,83,9,.2);color:#fcd34d;}
[data-theme="dark"] .yes{color:#34d399;} [data-theme="dark"] .warn{color:#fbbf24;} [data-theme="dark"] .no{color:#64748b;}
[data-theme="dark"] .disclaimer{border-left-color:#818cf8;}
[data-theme="dark"] .card.explore{background:linear-gradient(180deg,rgba(13,148,136,.16),var(--surface) 60%);}
[data-theme="dark"] .cl-status.unclaimed{background:rgba(148,163,184,.14);color:var(--muted);border-color:var(--line);}
[data-theme="dark"] .nav-pep{background:rgba(220,38,38,.16);border-color:rgba(220,38,38,.4);}
[data-theme="dark"] .leaflet-tile{filter:brightness(.82) contrast(1.06) saturate(.9);}
[data-theme="dark"] .leaflet-popup-content-wrapper,[data-theme="dark"] .leaflet-popup-tip{background:var(--surface);color:var(--ink);}
[data-theme="dark"] img:not(.logo){opacity:.92;}
[data-theme="dark"] .pf-ok{background:rgba(4,120,87,.16);} [data-theme="dark"] .pf-err{background:rgba(220,38,38,.14);}

/* ===== modern polish ===== */
.topnav{position:sticky;top:8px;z-index:30;}
.related a:hover{border-color:var(--brand-600);}
.btn{transition:transform .12s ease,box-shadow .15s ease,filter .15s ease;}
.btn-teal:hover{box-shadow:0 14px 28px -10px rgba(13,148,136,.85);}
::selection{background:var(--brand-soft);color:var(--brand-700);}

/* theme toggle button (injected into header by theme.js) */
.theme-toggle{flex:0 0 auto;display:inline-grid;place-items:center;width:42px;height:42px;border-radius:50%;border:1.5px solid var(--line);background:var(--surface);color:var(--muted);cursor:pointer;transition:transform .16s ease,color .16s ease,border-color .16s ease,background .16s ease;padding:0;}
.theme-toggle:hover{color:var(--brand-700);border-color:#99f6e4;transform:translateY(-1px);}
@media(max-width:480px){.theme-toggle{width:38px;height:38px;}}

@media(max-width:760px){
  .quickfacts{grid-template-columns:1fr;}
  .related{grid-template-columns:1fr;}
  .cta{flex-direction:column;align-items:flex-start;}
  /* mobile nav: one clean swipeable row, emergency PEP pinned right */
  .topnav{flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity;gap:3px;padding:6px;scrollbar-width:none;-ms-overflow-style:none;position:relative;}
  .topnav::-webkit-scrollbar{display:none;}
  .topnav a{flex:0 0 auto;scroll-snap-align:start;padding:9px 12px;font-size:13px;white-space:nowrap;}
  .topnav .nav-spacer{display:none;}
  .topnav a.nav-pep{position:sticky;right:2px;z-index:2;box-shadow:-11px 0 13px -6px rgba(2,6,23,.20);}
  .hdr{margin-bottom:12px;gap:10px;}
  .brand{font-size:16.5px;}
}
@media(max-width:480px){
  .hdr-meta{display:none;}
  .topnav a{font-size:12.5px;padding:8px 10px;gap:5px;}
  .brand{font-size:15.5px;}
  .brand .logo{width:30px;height:30px;}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;}}