:root{--bg:#fff;--surface:#f4f7fa;--card:#fff;--ink:#152d43;--muted:#4c6071;--line:#d4dfe7;--accent:#08776e;--accent-hover:#065b54;--accent-soft:#eaf5f2;--navy:#102e46;--warning:#fff8ec;--warning-ink:#64460c;--logo-line:#fff;--shadow:0 12px 36px #102e460a;color-scheme:light}
:root[data-theme=dark]{--bg:#101b27;--surface:#162634;--card:#1b2c3c;--ink:#eef5fb;--muted:#bdcdda;--line:#3b5062;--accent:#72d8c5;--accent-hover:#9be8da;--accent-soft:#183c3a;--navy:#eaf4fc;--warning:#352c1d;--warning-ink:#f4d392;--logo-line:#102e46;--shadow:none;color-scheme:dark}
*{box-sizing:border-box}html{scroll-padding-top:100px;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}body.menu-open{overflow:hidden}a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}img,svg{max-width:100%}.icon{width:20px;height:20px;flex:none;vertical-align:middle}.shell{max-width:1200px;padding-inline:28px;margin-inline:auto}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:700;line-height:1.15;letter-spacing:-.035em}h1{font-size:clamp(36px,4.3vw,56px);margin-bottom:20px}h2{font-size:clamp(26px,2.6vw,34px);margin-bottom:18px}h3{font-size:22px;margin-bottom:12px}p{margin-bottom:18px;color:var(--muted)}strong{color:var(--ink)}li{margin-bottom:8px}ul,ol{padding-left:23px}section,details,[id]{scroll-margin-top:100px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip{position:absolute;top:-100px;left:20px;z-index:100;background:var(--card);padding:10px}.skip:focus{top:10px}.eyebrow,.field-label{font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--muted)}.eyebrow{margin-bottom:14px}.small,small{font-size:13px;color:var(--muted);line-height:1.6}.btn{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:48px;padding:12px 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var(--line)}.header-inner{height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:19px;line-height:1.1;text-decoration:none;flex:none;letter-spacing:-.5px}.logo>svg{width:38px;height:38px;color:var(--accent)}.logo-sub{display:block;font-size:10px;letter-spacing:.25em;margin-top:4px}.header-nav{display:flex;align-items:center;gap:25px}.header-nav a{font-size:14px;color:var(--ink);text-decoration:none;font-weight:600}.header-nav a:hover{color:var(--accent)}.header-nav .nav-start{padding:9px 14px;background:var(--surface);border:1px solid var(--line);border-radius:6px}.header-actions{display:flex;gap:8px}.icon-button{height:42px;width:42px;border:1px solid var(--line);border-radius:7px;background:var(--card);color:var(--ink);display:grid;place-items:center}.menu-toggle{display:none}.hero{background:var(--surface);border-bottom:1px solid var(--line)}.hero-inner{padding-block:56px;display:grid;grid-template-columns:1.35fr 1fr;align-items:center;gap:70px}.hero h1{font-size:clamp(42px,5vw,66px);line-height:1.02;letter-spacing:-.05em}.hero h1 span{color:var(--accent)}.hero-copy{font-size:17px;line-height:1.6;max-width:520px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin:25px 0}.hero-facts{display:flex;flex-wrap:wrap;gap:7px 17px}.hero-facts span{display:flex;align-items:center;gap:5px;color:var(--muted);font-size:11px}.hero-facts svg{width:15px;height:15px;color:var(--accent)}.hero-panel{padding:28px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}.hero-panel ol{list-style:none;padding:0;margin:15px 0 20px}.hero-panel li{display:flex;gap:16px;padding:14px 0;margin:0;border-bottom:1px solid var(--line)}.hero-panel li>span{font-size:12px;font-weight:700;color:var(--accent);padding-top:2px}.hero-panel strong{font-size:16px}.hero-panel p{font-size:13px;line-height:1.5;margin:5px 0 0}.badge{font-size:10px;font-weight:700;letter-spacing:.06em;display:inline-block;padding:4px 8px;line-height:1.5;background:var(--surface);color:var(--muted);border-radius:4px}.badge.featured{color:var(--accent);background:var(--accent-soft)}.section-top{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:16px}.section-top h2{margin-bottom:0}.directory{padding-block:44px 55px}.disclosure{font-size:12px;line-height:1.7;max-width:1000px;margin:0 0 22px}.disclosure strong{font-weight:700}.filter-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.filter-row button,.topic-links a{border:1px solid var(--line);background:var(--card);color:var(--muted);font-size:12px;font-weight:700;border-radius:5px;padding:10px 13px;min-height:42px;text-decoration:none}.filter-row button[aria-pressed=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}.provider-list{display:grid;gap:14px}.provider-card{display:grid;grid-template-columns:1.1fr 1.1fr .75fr;gap:26px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:26px;background:var(--card)}.featured-card{border:1.5px solid var(--accent);box-shadow:var(--shadow);position:relative}.provider-title{display:flex;align-items:center;gap:12px;margin-bottom:14px}.brand-initial{display:grid;place-items:center;width:45px;height:45px;border-radius:9px;background:var(--surface);color:var(--ink);font-size:19px;letter-spacing:-.05em;font-weight:700;flex:none}.provider-title h3{margin:7px 0 0;line-height:1.1}.provider-card p{font-size:13px;margin-bottom:7px;line-height:1.55}.provider-card .product-line{font-size:11px;margin-bottom:0;color:var(--muted)}.provider-price{border-left:1px solid var(--line);padding-left:25px}.provider-price 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0}table{width:100%;border-collapse:collapse;font-size:14px;text-align:left}caption{text-align:left;padding:15px;font-size:12px;color:var(--muted)}th,td{padding:18px;vertical-align:top;border-top:1px solid var(--line);border-right:1px solid var(--line)}th:last-child,td:last-child{border-right:0}thead th{background:var(--surface);color:var(--ink);font-size:16px}tbody th{font-size:12px;color:var(--muted);min-width:125px}td{color:var(--muted);min-width:185px}td a{font-weight:700}.compare-selects{display:grid;grid-template-columns:repeat(3,1fr) auto;gap:14px;align-items:end;padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:8px}.compare-selects label,label{display:block;font-size:12px;font-weight:600;color:var(--ink)}input,select{width:100%;min-height:47px;border:1px solid var(--line);background:var(--card);color:var(--ink);padding:11px 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var(--line);border-radius:9px;padding:23px;background:var(--surface);display:grid;grid-template-columns:1fr 1fr;gap:18px}.offer-input-card legend{font-size:19px;font-weight:700;padding:0 8px}.offer-input-card label{min-width:0}.offer-form-actions{display:flex;gap:20px;align-items:center;margin:24px 0 16px}.offer-form-actions .button{background:var(--accent);color:var(--bg);border:0;border-radius:6px;padding:15px 25px;min-height:48px;font-weight:700}.offer-form-actions .text-link{border:0;color:var(--accent);background:none;min-height:44px}.offer-output{padding:28px 0}.offer-output h2{font-size:29px}.offer-output td{min-width:100px}.offer-total-row{background:var(--accent-soft);font-weight:700}.offer-verdict{color:var(--ink);font-weight:700;font-size:20px}.offer-bars{display:grid;gap:10px;margin:25px 0}.offer-bars>div{display:grid;grid-template-columns:75px 1fr;align-items:center;gap:10px;font-size:13px}.offer-bars i{height:12px;border-radius:4px;background:var(--accent)}.offer-bars>div:last-child i{opacity:.6}.offer-example-note{background:var(--warning);color:var(--warning-ink);padding:14px;border-radius:6px;font-size:13px}.purchase-details{padding-top:35px}.purchase-details h2{font-size:30px}.purchase-checks{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.purchase-checks article{border:1px solid var(--line);border-radius:8px;padding:23px}.purchase-checks article>span{font-size:10px;letter-spacing:.08em;color:var(--muted);font-weight:700}.purchase-checks h3{font-size:20px;margin-top:14px}.purchase-checks p{font-size:14px;margin:0}.offer-related{display:grid;gap:12px;margin-top:25px;font-size:14px}.unit-inputs{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-bottom:22px}.unit-inputs fieldset{border:1px solid var(--line);border-radius:7px;padding:20px;display:grid;gap:20px}.unit-inputs legend{font-size:18px;font-weight:700;padding:0 7px}.sitemap-links{display:grid;grid-template-columns:1fr 1fr;gap:12px 30px}.sitemap-links a{padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:45px 0 25px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}.footer-grid h2{font-size:14px;letter-spacing:0;margin-bottom:20px}.footer-grid a{display:block;font-size:12px;line-height:1.6;padding:5px 0;color:var(--muted);text-decoration:none}.footer-grid a:hover{text-decoration:underline}.footer-notes{border-top:1px solid var(--line);padding-top:25px;margin-top:35px}.footer-notes p{font-size:11px;margin-bottom:12px;max-width:950px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;font-size:10px;color:var(--muted);margin-top:25px}.footer-bottom button{font-size:11px;background:none;border:0;color:var(--ink);text-decoration:underline;min-height:44px}.mobile-tabs{display:none}.analytics-choice{position:fixed;bottom:20px;left:20px;right:20px;max-width:850px;margin:auto;z-index:100;background:var(--card);border:1px solid var(--line);box-shadow:0 10px 50px #0003;border-radius:10px;padding:20px;display:grid;grid-template-columns:1fr auto;gap:15px}.analytics-choice strong{font-size:14px}.analytics-choice p{font-size:11px;margin:5px 0 0;line-height:1.6}.analytics-actions{display:flex;flex-direction:column;gap:8px;justify-content:center}.analytics-actions button{padding:10px 14px;min-height:42px;font-size:12px;border:1px solid var(--accent);background:var(--accent);color:var(--bg);border-radius:5px;font-weight:700}.analytics-actions button:last-child{background:var(--card);color:var(--ink);border-color:var(--line)}.analytics-signal{grid-column:1/-1}
@media(min-width:1400px){.hero-inner{padding-block:65px}.hero h1{font-size:68px}}
@media(max-width:1050px){.header-nav{gap:16px}.header-nav a{font-size:12px}.header-inner{gap:15px}.hero-inner{gap:35px}.hero-panel{padding:24px}.provider-card{grid-template-columns:1fr 1fr .7fr;gap:20px}.provider-price{padding-left:20px}.home-tools{gap:40px}.link-card{padding:22px}}
@media(max-width:800px){html{scroll-padding-top:80px}.shell{padding-inline:22px}.header-inner{height:70px;gap:12px}.logo{font-size:17px}.logo>svg{width:35px;height:35px}.logo-sub{font-size:9px}.icon-button{width:39px;height:39px}.menu-toggle{display:grid}.header-nav{display:none}.header-nav.is-open{display:flex;position:fixed;inset:70px 0 65px;background:var(--bg);padding:25px;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;overflow-y:auto}.header-nav.is-open a{padding:20px 5px;font-size:19px;border-bottom:1px solid var(--line)}.header-nav.is-open .nav-start{margin-top:20px;padding:16px;border:1px solid var(--line)}.hero-inner{display:block;padding-block:32px}.hero h1{font-size:48px}.hero-copy{font-size:16px}.hero-panel{display:none}.hero-actions{margin:20px 0;gap:8px}.hero-actions .btn{padding:12px 16px;font-size:12px}.hero-facts{gap:7px 12px}.hero-facts span{font-size:10px}.directory{padding-block:30px 40px}.section-top{align-items:flex-start;gap:14px}.section-top>.text-link{max-width:130px;flex:none;font-size:11px;line-height:1.5;gap:5px}.section-top h2{font-size:28px}.section-top .eyebrow{font-size:10px}.provider-card{grid-template-columns:1fr 1fr;padding:22px;gap:20px}.provider-actions{grid-column:1/-1;flex-direction:row;align-items:center;flex-wrap:wrap}.provider-actions .btn{flex:1;min-width:140px}.provider-actions small{width:100%;text-align:left}.provider-price strong{font-size:18px}.provider-title h3{font-size:22px}.brand-initial{width:38px;height:38px;font-size:16px}.badge{font-size:9px}.link-grid{grid-template-columns:repeat(2,1fr)}.home-tools{gap:30px}.math-example{padding:22px}.math-example>div{flex-wrap:wrap;gap:5px}.math-example strong{font-size:19px}.compare-selects{grid-template-columns:repeat(2,1fr)}.field-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{gap:25px}.footer-notes p{font-size:12px}.mobile-tabs{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;z-index:45;padding-bottom:env(safe-area-inset-bottom);background:var(--bg);border-top:1px solid var(--line)}.mobile-tabs a{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:3px;min-height:61px;text-decoration:none;font-size:10px;font-weight:600;color:var(--muted)}.mobile-tabs a.active{color:var(--accent);background:var(--accent-soft)}.mobile-tabs svg{width:21px;height:21px}body{padding-bottom:calc(61px + env(safe-area-inset-bottom))}.analytics-choice{bottom:calc(73px + env(safe-area-inset-bottom));left:12px;right:12px}.page-heading{padding-top:22px}.breadcrumbs{margin-bottom:28px}.page-intro{font-size:17px}.article-page,.wide-page{padding-bottom:45px}.offer-input-card{grid-template-columns:1fr}.offer-input-grid{gap:15px}.provider-card .product-line{display:none}section,details,[id]{scroll-margin-top:83px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
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/* One sticky-header offset. Do not combine scroll padding and target margins. */
html{scroll-padding-top:0}
.pair-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin:18px 0 24px}.pair-links a{font-size:13px;font-weight:700}.provider-actions .pair-links{display:flex;gap:7px 12px;width:100%;margin:2px 0 0}.provider-actions .pair-links a{font-size:11px}.comparison-next{border:1px solid var(--accent);border-radius:9px;background:var(--accent-soft);padding:25px;margin-top:30px}.comparison-next h2{font-size:27px}.comparison-outbound{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-bottom:20px}.comparison-outbound .affiliate-label,.table-scroll .affiliate-label{display:block;margin-top:10px;font-size:11px;line-height:1.5}.table-scroll .btn{font-size:12px;min-height:44px;padding:11px 14px}.decision-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.decision-grid h3{font-size:21px}.decision-grid p{font-size:15px}.comparison-next>.small{margin-bottom:0}.wide-page .copy-section>p{max-width:850px}.wide-page .sources>p{max-width:850px}.wide-page .steps{max-width:850px}@media(max-width:550px){.comparison-outbound,.decision-grid{grid-template-columns:1fr;gap:22px}.comparison-next{padding:20px}.comparison-next h2{font-size:25px}.pair-links{gap:12px}.pair-links a{font-size:12px}.provider-actions .pair-links a{font-size:10px}}
.table-hint{display:none}@media(max-width:800px){.table-hint{display:block;font-size:11px;color:var(--muted);margin:15px 0 -10px}}