/* Self-hosted variable fonts: one file per family (weight range), merged from fonts.css to save a request. */
@font-face { font-family: 'Outfit'; font-style: normal; font-weight: 700 800; font-display: swap; src: url(../fonts/f-outfit-700.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Nunito Sans'; font-style: normal; font-weight: 400 700; font-stretch: 100%; font-display: swap; src: url(../fonts/f-nunitosans-400.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

:root{--ink:#17182E;--muted:#5D5F7A;--bg:#F6F5FB;--card:#fff;--line:#E7E5F3;--brand:#4B3FC7;--brand-2:#7B5CE6;--deep:#221C55;--tint:#EEEBFB;--good:#1F9D6B;--warn:#C98A12;--bad:#C7303D;--info:#4C79C9;--r:22px;--shadow:0 2px 4px rgba(34,28,85,.04),0 14px 36px rgba(34,28,85,.10);--head:"Outfit",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--body:"Nunito Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;--grad:linear-gradient(135deg,#2B2370 0%,#4B3FC7 55%,#7B5CE6 100%)}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--body)}
img,svg{max-width:100%}
a{color:var(--brand);text-underline-offset:3px}
a:hover{color:var(--deep)}
h1,h2,h3{font-family:var(--head);font-weight:700;line-height:1.12;letter-spacing:-.02em;margin:1.6em 0 .5em}
h1{font-size:clamp(2rem,1.2rem + 3vw,3.3rem);font-weight:800;margin-top:.1em}
h2{font-size:clamp(1.4rem,1.1rem + 1vw,1.85rem)}
h3,.h3{font-size:1.2rem}
p,ul,ol{margin:0 0 1em}
.small{font-size:.87rem}
.muted{color:var(--muted)}
.lead{font-size:1.15rem;color:#3A3C58}
.wrap{max-width:1120px;margin:0 auto;padding-left:20px;padding-right:20px}
.narrow{max-width:780px}
.section{padding-top:44px;padding-bottom:44px}
.section-tint{background:var(--tint)}
.skip-link{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:10}
.skip-link:focus{left:8px}
.staging-bar{background:#FFE9A8;color:#5A4300;text-align:center;font-size:.85rem;padding:6px 12px}

/* Header: part of the gradient; pill navigation */
.site-header{background:var(--grad);color:#fff}
.site-header-inner{display:flex;align-items:center;gap:18px;min-height:74px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:11px;color:#fff;text-decoration:none}
.brand:hover{color:#fff}
.brand-mark{flex:0 0 auto;background:rgba(255,255,255,.16);border-radius:14px;padding:4px}
.brand-text{font-family:var(--head);font-weight:800;font-size:1.35rem;letter-spacing:-.02em}
.brand-text small{display:block;font-family:var(--body);font-weight:600;font-size:.74rem;letter-spacing:0;color:#D9D3FF}
.site-nav{display:flex;gap:6px;margin-left:auto;flex-wrap:wrap}
.site-nav a{color:#fff;text-decoration:none;font-weight:700;font-size:.95rem;padding:8px 15px;border-radius:999px}
.site-nav a:hover{background:rgba(255,255,255,.14);color:#fff}
.site-nav a:first-child{background:#fff;color:var(--deep)}
.site-nav a:first-child:hover{background:#EDEAFF}
.nav-toggle{display:none;margin-left:auto;background:rgba(255,255,255,.16);border:0;color:#fff;border-radius:999px;padding:9px 16px;font:inherit;font-weight:700}
@media (max-width:900px){
  .nav-toggle{display:block}
  .site-nav{display:none;width:100%;flex-direction:column;gap:4px;padding-bottom:14px}
  .site-nav.open{display:flex}
  .site-nav a{border-radius:14px}
}
@media (max-width:420px){.site-header-inner{gap:10px}.brand-text{font-size:1.15rem}.brand-text small{font-size:.66rem}}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:16px 0 0;margin:0 auto;font-size:.84rem}
.breadcrumb li{background:#fff;border-radius:999px;padding:3px 12px;box-shadow:0 1px 2px rgba(34,28,85,.06)}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current]{color:var(--ink);font-weight:700}

/* Hero: continues the header gradient, white type, floating card */
.hero{background:var(--grad);color:#fff;padding:30px 0 70px;border-bottom-left-radius:36px;border-bottom-right-radius:36px}
.hero h1,.hero .lead{color:#fff}
.hero .lead{color:#E3DEFF}
.hero-inner{display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center}
.hero-inner>*{min-width:0}
.hero-art{display:flex;justify-content:center}
.hero-art svg path:first-child{fill:rgba(255,255,255,.14)}
@media (max-width:860px){.hero-inner{grid-template-columns:1fr}.hero-art{display:none}}
.hero .check-card{color:var(--ink)}
.hero-sm{padding-bottom:16px}

.card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:24px;border:0}
.check-card{margin:24px 0}
.narrow-card{max-width:640px}
.bp-row{display:flex;align-items:flex-end;gap:10px;flex-wrap:wrap}
.bp-row label{display:flex;flex-direction:column;flex:1 1 110px;font-weight:800;font-family:var(--head)}
.bp-row label small{font-family:var(--body);font-weight:600;color:var(--muted);font-size:.8rem;margin-bottom:4px}
.bp-row input{font-family:var(--head);font-size:1.7rem;font-weight:800;padding:10px 14px;border:0;border-radius:16px;background:var(--tint);width:100%;min-width:0;color:var(--ink)}
.bp-row input:focus{outline:3px solid #B9AEFF;background:#fff}
.bp-slash{font-family:var(--head);font-size:2rem;font-weight:800;color:#B3AEDA;padding-bottom:8px}
.bp-row .btn{padding:15px 26px}
@media (max-width:480px){.bp-row .btn{flex:1 1 100%}}
.check-error{color:var(--bad);font-weight:700;margin:12px 0 0}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-family:var(--head);font-weight:700;border-radius:999px;padding:12px 22px;text-decoration:none;cursor:pointer;border:0;line-height:1.2}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(75,63,199,.35)}
.btn-primary:hover{filter:brightness(1.08);color:#fff}
.btn-ghost{background:var(--tint);color:var(--deep)}
.btn-ghost:hover{background:#E2DCFA}

/* Badges: solid pills */
.badge{display:inline-block;font-family:var(--head);font-size:.82rem;font-weight:700;padding:5px 13px;border-radius:999px;background:var(--c,#777);color:#fff;white-space:nowrap}
.badge-good{--c:var(--good)}.badge-warn{--c:var(--warn)}.badge-bad{--c:var(--bad)}.badge-info{--c:var(--info)}

/* Reading page: result ring */
.summary{display:grid;grid-template-columns:auto 1fr;gap:36px;align-items:center;margin-top:8px}
@media (max-width:760px){.summary{grid-template-columns:1fr;justify-items:center}}
.bp-reading{width:250px;height:250px;border-radius:50%;background:radial-gradient(circle,#fff 58%,transparent 59%),conic-gradient(var(--c) 0 100%);display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:var(--shadow);text-align:center}
.bp-num{font-family:var(--head);font-size:3.2rem;font-weight:800;line-height:1;letter-spacing:-.03em}
.bp-num span{color:#B3AEDA;margin:0 1px}
.bp-unit{color:var(--muted);font-weight:700;font-size:.85rem;margin:4px 0 10px}
.bp-reading .badge{font-size:.72rem;padding:4px 10px}
.quick{list-style:none;padding:6px 0;margin:0;background:#fff;border-radius:var(--r);box-shadow:var(--shadow);width:100%}
.quick li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 20px}
.quick li+li{border-top:1px solid var(--line)}
.quick span{color:var(--muted)}
.quick a{text-decoration:none}
.callout{border-radius:var(--r);padding:20px 24px;margin:22px 0;background:#fff;box-shadow:var(--shadow);border-top:6px solid var(--info)}
.callout-good{border-top-color:var(--good)}
.callout-warn{border-top-color:var(--warn);background:#FFFBF2}
.callout-bad{border-top-color:var(--bad);background:#FFF6F7}
.callout-info{border-top-color:var(--info)}
.callout h2,.callout h3{margin-top:0}
.callout ul{margin:0;padding-left:1.2em}
.callout li{margin-bottom:.35em}
.chart-card{padding:18px 18px 14px;max-width:660px}
.chart-img{display:block;width:100%;height:auto;border-radius:12px}
.chart-actions{margin:10px 0 0}
.legend{list-style:none;display:flex;flex-wrap:wrap;gap:6px 14px;padding:0;margin:12px 0 0;font-size:.82rem;color:var(--muted)}
.legend span{display:inline-block;width:12px;height:12px;border-radius:4px;margin-right:6px;vertical-align:-1px}

.table-scroll{overflow-x:auto;margin:0 0 1.3em;-webkit-overflow-scrolling:touch;border-radius:16px;box-shadow:var(--shadow);background:#fff}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;padding:12px 14px;vertical-align:top}
tbody tr+tr td{border-top:1px solid var(--line)}
th{background:var(--tint);font-family:var(--head);font-weight:700;font-size:.86rem;color:var(--deep)}
.row-hit td{background:#F1EEFF;font-weight:700}
.cell-hit{background:#F1EEFF;font-weight:700}
.prose .table-scroll{box-shadow:none;border:1px solid var(--line)}

.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0}
.chips a{display:block;padding:7px 14px;border-radius:999px;background:#fff;box-shadow:0 2px 8px rgba(34,28,85,.08);text-decoration:none;font-weight:800;font-family:var(--head);font-size:.92rem;color:var(--deep)}
.chips a:hover{background:var(--brand);color:#fff}
.disclaimer{margin-top:30px;padding-top:14px;border-top:1px dashed #CFCBE6}

.value-grid{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(62px,1fr));gap:8px}
.value-grid.wide{grid-template-columns:repeat(auto-fill,minmax(92px,1fr))}
.value-grid a{display:flex;align-items:center;justify-content:center;gap:6px;padding:10px 0;border-radius:14px;background:#fff;box-shadow:0 2px 8px rgba(34,28,85,.07);font-family:var(--head);font-weight:700;text-decoration:none;color:var(--ink)}
.value-grid a::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c,#999)}
.value-grid a:hover{background:var(--tint)}

.ref-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
@media (max-width:860px){.ref-grid{grid-template-columns:1fr}}

/* Article cards: tiles */
.guide-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:16px}
@media (max-width:640px){.guide-cards{grid-template-columns:1fr}}
.guide-card{display:flex;flex-direction:column;background:#fff;border-radius:var(--r);overflow:hidden;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .15s}
.guide-card:hover{transform:translateY(-3px);color:var(--ink)}
.guide-card img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;background:var(--tint)}
.guide-card span{display:flex;flex-direction:column;gap:6px;padding:16px 18px 18px}
.guide-card strong{font-family:var(--head);font-size:1.12rem;line-height:1.25}
.guide-card small{color:var(--muted);font-size:.88rem;line-height:1.5}
.guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:960px){.guide-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.guide-grid{grid-template-columns:1fr}}
.guide-col{background:#fff;border-radius:var(--r);padding:18px 20px;box-shadow:var(--shadow)}
.guide-col h3{margin-top:0;font-size:1.05rem}
.guide-col h3 a{color:var(--deep);text-decoration:none}
.link-list{list-style:none;padding:0;margin:0}
.link-list li{padding:6px 0}
.link-list a{font-weight:700;text-decoration:none}
.link-list a:hover{text-decoration:underline}
details{background:#fff;border-radius:16px;padding:14px 18px;margin-bottom:10px;box-shadow:0 2px 8px rgba(34,28,85,.06)}
summary{font-family:var(--head);font-weight:700;cursor:pointer}
details p{margin:.7em 0 .2em}

.prose h2{margin-top:1.7em}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin-bottom:.4em}
.prose code{background:var(--tint);padding:1px 6px;border-radius:6px;font-size:.88em}
.article .meta{margin-top:-.3em}
.cover{margin:0 0 28px}
.cover img{display:block;width:100%;height:auto;aspect-ratio:3/2;border-radius:var(--r);box-shadow:var(--shadow);background:var(--tint)}
.contact-mail{font-family:var(--head);font-size:1.35rem;font-weight:800}

/* Footer: deep indigo, rounded top */
.site-footer{background:var(--deep);color:#DCD8F5;margin-top:44px;padding:48px 0 28px;border-top-left-radius:36px;border-top-right-radius:36px}
.site-footer a{color:#fff}
.footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px}
@media (max-width:860px){.footer-cols{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.footer-cols{grid-template-columns:1fr}}
.footer-cols strong{font-family:var(--head)}
.footer-brand{font-size:1.3rem}
.footer-cols ul{list-style:none;padding:0;margin:.6em 0 0}
.footer-cols li{margin-bottom:.45em}
.footer-note{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:18px;color:#C4BFE6}
.footer-copy{color:#9D97C9;margin:0}
@media print{.site-header,.site-footer,.check-card,.breadcrumb,.chips,.hero{display:none}body{background:#fff}.card,.callout,.table-scroll{box-shadow:none}}
.guide-grid>*,.ref-grid>*,.summary>*,.footer-cols>*{min-width:0}.guide-col,.link-list a{overflow-wrap:anywhere}
.cat-block{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);padding:16px 18px;margin:0 0 16px;border-left:6px solid var(--c)}
.cat-block-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.cat-block-head a{margin-left:auto}
.cat-block .value-grid{margin:0}
.cat-block .value-grid a{box-shadow:none;background:var(--tint)}
html,body{overflow-x:clip}.google-auto-placed,ins.adsbygoogle{max-width:100%!important;overflow:hidden}

.meter-fig{margin:0;text-align:center}
.meter-fig img{display:block;width:230px;height:auto;border-radius:18px;box-shadow:var(--shadow);background:#fff}
.meter-fig figcaption{margin-top:10px;display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap}
@media (max-width:760px){.meter-fig img{width:200px;margin:0 auto}}
.checklist-plain{padding-left:1.2em}.checklist-plain li{margin-bottom:.4em}

.reader-qs{margin-top:34px;padding:22px 24px;background:#fff;border-radius:var(--r);box-shadow:var(--shadow)}
.reader-qs h2{margin-top:0}
.reader-qs .qa{padding:14px 0;border-top:1px solid var(--line)}
.reader-qs .qa h3{margin:0 0 .45em;font-size:1.06rem;color:var(--deep)}
.reader-qs .qa h3::before{content:"Q";display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;margin-right:9px;border-radius:8px;background:var(--brand);color:#fff;font-size:.8rem;vertical-align:1px}
.reader-qs .qa p:last-child{margin-bottom:0}