:root{
--bg:#f6f7fb;--ink:#171d2b;--muted:#5c6478;--line:#e4e7ef;
--head:#12182a;--head-ink:#eef1f8;--card:#ffffff;
--accent:#f5a623;--accent-ink:#3a2600;--teal:#12a6b8;--good:#1f9d5a;--bad:#d6493b;
--wrap:1080px;--gut:22px;--radius:12px;--shadow:0 8px 24px rgba(18,24,42,.08);
--sans:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
--display:'Sora',var(--sans);
}
*{box-sizing:border-box}
html,body{width:100%;overflow-x:hidden;margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.68;font-size:17px;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
a{color:#0f6ecb;text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--display);line-height:1.22;color:var(--ink);font-weight:800}
h1{font-size:2em;margin:.4em 0 .5em}
h2{font-size:1.5em;margin:1.6em 0 .5em}
h3{font-size:1.18em;margin:1.4em 0 .4em;font-weight:700}
p{margin:0 0 1.05em}
main{display:block;padding:26px 0 48px}
ul,ol{margin:0 0 1.2em;padding-left:1.25em}
li{margin:.4em 0}
/* header */
.site-head{background:var(--head);color:var(--head-ink);position:sticky;top:0;z-index:50;box-shadow:0 2px 14px rgba(0,0,0,.18)}
.head-row{display:flex;align-items:center;gap:16px;min-height:64px;flex-wrap:nowrap}
.brand-logo{font-family:var(--display);font-weight:800;font-size:1.32em;color:#fff;letter-spacing:.2px}
.brand-logo:hover{text-decoration:none;color:var(--accent)}
.nav-main{display:flex;align-items:center;gap:20px;margin-left:auto;flex-wrap:nowrap}
.nav-main a{color:#cdd4e6;font-weight:600;font-size:.96em;white-space:nowrap;padding:6px 2px}
.nav-main a:hover,.nav-main a.active{color:#fff;text-decoration:none}
.nav-cta{background:var(--accent);color:var(--accent-ink)!important;padding:9px 16px!important;border-radius:999px;font-weight:700}
.nav-cta:hover{filter:brightness(1.06)}
.nav-toggle{display:none;margin-left:auto;background:transparent;border:0;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;padding:8px}
.nav-toggle span{display:block;height:2.5px;background:#fff;border-radius:2px;transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
/* breadcrumb */
.crumbs{background:#eef1f8;border-bottom:1px solid var(--line);font-size:.9em}
.crumbs .wrap{padding-top:9px;padding-bottom:9px;color:var(--muted)}
.crumbs a{color:var(--muted)}
/* lede + hero */
.lede{font-size:1.16em;color:#2a3143;background:linear-gradient(180deg,#fff,#f3f6ff);border:1px solid var(--line);border-left:4px solid var(--accent);padding:16px 18px;border-radius:10px}
.hero{margin:0 0 1.4em}
.hero img{display:block;width:100%;max-width:100%;height:auto;border-radius:var(--radius);box-shadow:var(--shadow)}
/* lists as cards-ish */
main ul li::marker{color:var(--teal)}
main ol li::marker{color:var(--accent);font-weight:700}
/* cta */
.cta{margin:1.8em 0;padding:22px;background:linear-gradient(120deg,#12182a,#25325a);border-radius:14px;text-align:center;color:#fff}
.cta .muted{color:#b8c0d6;margin:.7em 0 0;font-size:.86em}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);font-family:var(--display);font-weight:800;padding:14px 26px;border-radius:999px;font-size:1.04em}
.btn:hover{text-decoration:none;filter:brightness(1.07);transform:translateY(-1px)}
/* tables */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1.3em;border:1px solid var(--line);border-radius:10px}
table{border-collapse:collapse;width:100%;min-width:420px;background:var(--card)}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:.96em}
thead th,tr:first-child th{background:#f1f4fb}
table.cmp th:first-child{background:#f1f4fb;font-weight:700}
/* ratings */
.ratings{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:1.2em 0;box-shadow:var(--shadow)}
.rrow{display:grid;grid-template-columns:130px 1fr 42px;align-items:center;gap:12px;margin:.5em 0}
.rlabel{font-size:.92em;color:var(--muted);font-weight:600}
.rbar{background:#eef0f6;border-radius:999px;height:10px;overflow:hidden}
.rbar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--accent));border-radius:999px;transition:width 1s ease}
.rnum{font-family:var(--display);font-weight:700;text-align:right}
.rrow.overall .rbar i{background:linear-gradient(90deg,var(--accent),#e0761a)}
.rrow.overall .rnum{color:#b96b00}
/* calc */
.calc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin:1.3em 0;box-shadow:var(--shadow)}
.calc h3{margin:.1em 0 .5em}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:.6em 0}
.calc label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.92em;color:var(--muted)}
.calc input[type=number]{padding:9px 10px;border:1px solid var(--line);border-radius:8px;font-size:1em}
.calc input[type=range]{width:100%}
.calc-out{font-size:1.12em;margin:.4em 0 0}
.calc-out b{font-family:var(--display);color:var(--good);font-size:1.15em}
/* tabs */
.tabs{margin:1.2em 0}
.tabbar{display:flex;flex-wrap:wrap;gap:6px;border-bottom:2px solid var(--line)}
.tab{background:transparent;border:0;border-bottom:3px solid transparent;padding:9px 14px;font-family:var(--display);font-weight:700;cursor:pointer;color:var(--muted);font-size:.98em}
.tab.active{color:var(--ink);border-bottom-color:var(--accent)}
.tabp{display:none;background:var(--card);border:1px solid var(--line);border-top:0;padding:16px 18px;border-radius:0 0 10px 10px}
.tabp.active{display:block}
.tabp p{margin:0}
/* faq */
.faq{margin:2em 0 1em}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:10px;margin:.5em 0;overflow:hidden}
.faq-item summary{cursor:pointer;padding:14px 16px;font-family:var(--display);font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px;min-height:44px;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--accent);font-size:1.4em;font-weight:700}
.faq-item[open] summary::after{content:"–"}
.faq-a{padding:0 16px 6px}
.note{background:#fff8ec;border:1px solid #f4dfb4;border-radius:8px;padding:12px 14px}
.muted{color:var(--muted);font-size:.95em}
/* footer */
.site-foot{background:var(--head);color:#c8cfe0;margin-top:36px;padding:34px 0 18px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:26px}
.foot-brand{font-family:var(--display);font-weight:800;color:#fff;font-size:1.2em;display:block;margin-bottom:.4em}
.site-foot h4{color:#fff;margin:0 0 .5em;font-size:.98em}
.site-foot ul{list-style:none;padding:0;margin:0}
.site-foot li{margin:.35em 0}
.site-foot a{color:#c8cfe0}
.site-foot a:hover{color:#fff}
.foot-rg .age{display:inline-block;background:var(--accent);color:var(--accent-ink);font-weight:800;border-radius:6px;padding:2px 8px;margin-bottom:.5em}
.legal{border-top:1px solid rgba(255,255,255,.12);margin-top:22px;padding-top:14px;color:#96a0ba;font-size:.84em}
.to-top{position:fixed;right:18px;bottom:18px;width:46px;height:46px;border-radius:50%;border:0;background:var(--accent);color:var(--accent-ink);font-size:1.3em;font-weight:800;cursor:pointer;opacity:0;pointer-events:none;transition:.25s;box-shadow:var(--shadow);z-index:60}
.to-top.show{opacity:1;pointer-events:auto}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:720px){
:root{font-size:16px}
h1{font-size:1.55em}h2{font-size:1.28em}h3{font-size:1.1em}
.head-row{flex-wrap:wrap}
.nav-toggle{display:flex}
.nav-main{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;gap:0;margin:8px 0 6px}
.nav-main.open{display:flex}
.nav-main a{padding:12px 4px;border-top:1px solid rgba(255,255,255,.08)}
.nav-cta{margin:10px 0 2px;text-align:center}
.calc-grid{grid-template-columns:1fr}
.rrow{grid-template-columns:110px 1fr 38px}
}
@media(max-width:400px){.rrow{grid-template-columns:96px 1fr 34px}}