:root{
  --bg:#ffffff;
  --surface:#f5f7fa;
  --surface-2:#eef1f5;
  --border:#dfe3e9;
  --text:#1d2430;
  --muted:#5a6474;
  --accent:#2f6fde;
  --accent-dark:#2459b8;
  --accent-soft:#e8f0fd;
  --good:#1e7f4f;
  --warn:#9a6a00;
  --radius:10px;
  --header-h:64px;
  --maxw:780px;
}
*{box-sizing:border-box}
html{scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:17px;line-height:1.7}
body.modal-open{overflow:hidden}
img{max-width:100%;height:auto}
a{color:var(--accent-dark)}
a:hover{color:var(--accent)}
h1,h2,h3,h4{line-height:1.3;color:var(--text)}
h1{font-size:clamp(1.75rem,4.5vw,2.5rem);margin:.2em 0 .4em;text-align:center;letter-spacing:-.01em}
h2{font-size:clamp(1.35rem,3vw,1.7rem);margin:2em 0 .6em}
h3{font-size:1.18rem;margin:1.6em 0 .5em}
h4{font-size:1.02rem;margin:1.3em 0 .4em}
p,ul,ol{margin:0 0 1.1em}
li{margin-bottom:.35em}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:200;background:#fff;padding:8px 12px;border-radius:6px}

/* Header: sticky on every viewport, one CTA */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--border);backdrop-filter:saturate(1.4) blur(6px)}
.header-inner{max-width:1180px;margin:0 auto;padding:0 16px;height:var(--header-h);display:flex;align-items:center;gap:16px}
.header-kw{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1rem;color:var(--text);text-decoration:none;min-width:0}
.header-kw span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.header-kw img{width:30px;height:30px;flex:none}
.main-nav{margin-left:auto;display:flex;gap:4px}
.main-nav a{color:var(--muted);text-decoration:none;font-size:.92rem;font-weight:500;padding:8px 10px;border-radius:8px;white-space:nowrap}
.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--text);background:var(--surface)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--border);border-radius:8px;width:42px;height:42px;cursor:pointer;color:var(--text);flex:none}
.menu-btn svg{width:20px;height:20px}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#fff!important;text-decoration:none;font-weight:600;border-radius:8px;padding:12px 22px;border:0;cursor:pointer;font-size:1rem;line-height:1.2;text-align:center;transition:background .15s}
.btn:hover{background:var(--accent-dark)}
.btn:focus-visible,.btn-ghost:focus-visible,.menu-btn:focus-visible{outline:3px solid #9dbcf3;outline-offset:2px}
.header-cta{padding:10px 16px;font-size:.93rem;white-space:nowrap;flex:none}
@media (max-width:980px){
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .main-nav{display:none;position:absolute;left:0;right:0;top:var(--header-h);flex-direction:column;background:#fff;border-bottom:1px solid var(--border);padding:8px 16px 16px;margin:0}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 10px;font-size:1rem}
}
@media (max-width:560px){
  :root{--header-h:58px}
  .header-inner{gap:8px;padding:0 12px}
  .header-kw{font-size:.88rem;gap:6px}
  .header-kw img{width:26px;height:26px}
  .header-cta{padding:9px 11px;font-size:.8rem}
  .menu-btn{width:38px;height:38px}
}
@media (max-width:380px){.header-kw span{display:none}}

/* Layout */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.wide{max-width:1080px;margin:0 auto;padding:0 20px}
.crumbs{font-size:.85rem;color:var(--muted);margin:22px auto 4px}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li{margin:0}
.crumbs li+li::before{content:"›";margin-right:6px;color:#9aa3b1}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.hero{text-align:center;padding:8px 0 10px}
.hero .lede{color:var(--muted);font-size:1.08rem;max-width:640px;margin:0 auto 18px}
.offer-line{font-size:1.08rem;font-weight:500;margin:6px 0 14px}
.updated{font-size:.85rem;color:var(--muted);text-align:center;margin-bottom:26px}
article{padding-bottom:30px}

/* Components */
.callout{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:var(--radius);padding:16px 20px;margin:1.4em 0}
.callout p:last-child{margin-bottom:0}
.verdict{background:var(--accent-soft);border:1px solid #c9dbf8;border-radius:var(--radius);padding:18px 22px;margin:1.4em 0}
.verdict h3{margin-top:0}
.cta-box{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:26px 22px;margin:2em 0;text-align:center}
.cta-box h2,.cta-box h3{margin-top:0}
.cta-box p{color:var(--muted)}
.cta-inline{margin:1.6em 0;padding:16px 20px;border:1px dashed #c3cbd6;border-radius:var(--radius);display:flex;flex-wrap:wrap;gap:12px 18px;align-items:center;justify-content:space-between}
.cta-inline p{margin:0;flex:1 1 280px}
.table-wrap{overflow-x:auto;margin:1.4em 0;border:1px solid var(--border);border-radius:var(--radius)}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{padding:11px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--border)}
thead th{background:var(--surface-2);font-weight:600;white-space:nowrap}
tbody tr:nth-child(even){background:#fafbfc}
tbody tr:last-child td{border-bottom:0}
.yes{color:var(--good);font-weight:600}
.no{color:#a33b3b;font-weight:600}
.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:1.4em 0}
.pros-cons>div{border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;background:#fff}
.pros-cons h3{margin-top:0;font-size:1.05rem}
.pros-cons ul{padding-left:1.1em;margin:0}
@media (max-width:640px){.pros-cons{grid-template-columns:1fr}}
.steps{counter-reset:s;list-style:none;padding:0}
.steps>li{counter-increment:s;position:relative;padding-left:46px;margin-bottom:1em}
.steps>li::before{content:counter(s);position:absolute;left:0;top:2px;width:30px;height:30px;border-radius:50%;background:var(--accent-soft);color:var(--accent-dark);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.9rem}

/* Bar charts built from verified figures only */
.chart{border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin:1.6em 0;background:#fff}
.chart h3{margin:0 0 4px;font-size:1.05rem}
.chart .chart-sub{color:var(--muted);font-size:.86rem;margin-bottom:14px}
.bar-group{margin-bottom:14px}
.bar-group:last-child{margin-bottom:0}
.bar-label{font-size:.9rem;font-weight:600;margin-bottom:4px}
.bar-row{display:flex;align-items:center;gap:10px;font-size:.85rem;margin-bottom:4px}
.bar-row .name{width:74px;flex:none;color:var(--muted)}
.bar-track{flex:1;background:var(--surface-2);border-radius:6px;height:16px;overflow:hidden}
.bar{height:100%;background:#9fb9e6;border-radius:6px}
.bar.b2{background:var(--accent)}
.bar-row .val{width:64px;flex:none;text-align:right;font-variant-numeric:tabular-nums}
.flow{display:flex;flex-wrap:wrap;gap:10px;align-items:stretch;margin:1.6em 0;padding:0;list-style:none}
.flow li{flex:1 1 150px;margin:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;font-size:.92rem}
.flow li strong{display:block;color:var(--accent-dark);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;margin-bottom:2px}

/* Top picks (best-of format) */
.picks{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:1.6em 0 2em}
.pick{border:1px solid var(--border);border-radius:14px;padding:20px 18px;background:#fff;display:flex;flex-direction:column;text-align:center}
.pick.top{border:2px solid var(--accent);box-shadow:0 6px 22px rgba(47,111,222,.1)}
.pick .rank{display:inline-block;align-self:center;background:var(--accent-soft);color:var(--accent-dark);font-weight:700;font-size:.78rem;padding:4px 10px;border-radius:999px;margin-bottom:8px;letter-spacing:.03em;text-transform:uppercase}
.pick h3{margin:.2em 0 .3em;font-size:1.2rem}
.pick .best-for{color:var(--muted);font-size:.9rem;margin-bottom:10px}
.pick ul{text-align:left;font-size:.9rem;padding-left:1.1em;flex:1}
.pick .price{font-size:.88rem;color:var(--text);margin-bottom:12px}
.pick .btn{width:100%}
.btn-outline{background:#fff;color:var(--accent-dark)!important;border:1.5px solid var(--accent)}
.btn-outline:hover{background:var(--accent-soft)}
@media (max-width:820px){.picks{grid-template-columns:1fr}}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin:1.2em 0 2em}
.card{display:block;border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;text-decoration:none;color:var(--text);background:#fff;transition:border-color .15s,box-shadow .15s}
.card:hover{border-color:var(--accent);box-shadow:0 4px 16px rgba(29,36,48,.06);color:var(--text)}
.card strong{display:block;margin-bottom:4px}
.card span{color:var(--muted);font-size:.9rem;line-height:1.5;display:block}
.home-hero{text-align:center;padding:40px 20px 10px}
.home-hero .lede{max-width:660px;margin:0 auto 22px;color:var(--muted);font-size:1.12rem}

/* FAQ */
.faq details{border:1px solid var(--border);border-radius:var(--radius);padding:4px 16px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;font-weight:600;padding:10px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--accent);font-weight:700}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 12px}
.faq h3{font-size:1rem;margin:0;display:inline}

/* Related reading (non-sticky) */
.related{border-top:1px solid var(--border);margin-top:2.5em;padding-top:1.2em}
.related h2{font-size:1.2rem;margin-top:0}
.related ul{padding-left:1.1em}

/* Footer */
.site-footer{background:var(--surface);border-top:1px solid var(--border);margin-top:40px;padding:36px 0 26px;font-size:.92rem;color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:24px}
.footer-grid h2{font-size:.95rem;margin:0 0 10px;color:var(--text)}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin-bottom:6px}
.footer-grid a{color:var(--muted);text-decoration:none}
.footer-grid a:hover{color:var(--accent-dark);text-decoration:underline}
.disclosure{border-top:1px solid var(--border);margin-top:26px;padding-top:18px;font-size:.86rem;line-height:1.6}
@media (max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.footer-grid{grid-template-columns:1fr}}

/* Popup */
.popup-overlay{position:fixed;inset:0;z-index:100;background:rgba(18,24,33,.55);display:flex;align-items:center;justify-content:center;padding:16px}
.popup-overlay[hidden]{display:none}
.popup{position:relative;background:#fff;border-radius:16px;max-width:440px;width:100%;padding:30px 26px 24px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.popup:focus{outline:none}
.popup h2{margin:0 0 10px;font-size:1.35rem}
.popup p{color:var(--muted);margin-bottom:20px}
.popup .actions{display:flex;flex-direction:column;gap:10px}
.btn-ghost{background:none;border:1px solid var(--border);border-radius:8px;padding:11px 18px;font:inherit;font-size:.95rem;cursor:pointer;color:var(--text)}
.btn-ghost:hover{background:var(--surface)}
.popup-close{position:absolute;top:10px;right:10px;width:38px;height:38px;border:0;background:none;border-radius:8px;font-size:1.5rem;line-height:1;cursor:pointer;color:var(--muted)}
.popup-close:hover{background:var(--surface);color:var(--text)}
.popup-close:focus-visible,.btn-ghost:focus-visible{outline:3px solid #9dbcf3;outline-offset:2px}
@media (prefers-reduced-motion:no-preference){.popup{animation:pop .18s ease-out}@keyframes pop{from{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}}