:root {
  --blue: #3661E3;
  --blue-d: #2549B8;
  --blue-50: #EEF3FE;
  --blue-100: #DCE6FD;
  --ink: #0E1424;
  --ink-2: #3D4559;
  --muted: #687089;
  --line: #E4E8F1;
  --bg: #FFFFFF;
  --bg-2: #F6F8FC;
  --ok: #128A52;
  --warn: #C27803;
  --bad: #D2382B;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(14,20,36,.05), 0 8px 24px rgba(14,20,36,.06);
  --display: "Outfit", ui-sans-serif, system-ui, sans-serif;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--sans); overflow-x: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--display); line-height: 1.18; letter-spacing: -.01em; margin: 0 0 .5em; color: var(--ink); }
button, input { font: inherit; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; border-radius: 4px; }
.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .wrap { padding: 0 24px; } }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 12px; z-index: 50; }
.skip:focus { left: 8px; }
.muted { color: var(--muted); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--blue); color: #fff; border: 0; border-radius: 10px; padding: 12px 22px; font-weight: 600; cursor: pointer; transition: background .15s, transform .15s; white-space: nowrap; }
.btn:hover { background: var(--blue-d); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .65; cursor: progress; }

/* topbar + masthead */
.topbar { background: var(--ink); color: #C9D2EA; font-size: 13px; }
.topbar__in { display: flex; justify-content: space-between; align-items: center; min-height: 34px; gap: 12px; }
.topbar__cta { color: #fff; font-weight: 600; }
.masthead { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.masthead__in { display: flex; align-items: center; gap: 16px; min-height: 72px; }
.brand img { height: 44px; width: auto; }
.search { margin-left: auto; display: flex; align-items: center; background: var(--bg-2); border: 1px solid var(--line); border-radius: 999px; padding: 0 6px 0 14px; }
.search input { border: 0; background: none; padding: 9px 4px; width: 200px; outline: none; }
.search button { border: 0; background: none; color: var(--muted); padding: 6px; cursor: pointer; }
.menu-btn { display: none; background: none; border: 0; width: 42px; height: 42px; padding: 10px; cursor: pointer; }
.menu-btn span { display: block; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; }
.mainnav { border-top: 1px solid var(--line); }
.mainnav__in { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.mainnav__in::-webkit-scrollbar { display: none; }
.mainnav a { color: var(--ink-2); font-weight: 600; font-size: 14.5px; padding: 12px 12px; white-space: nowrap; border-bottom: 3px solid transparent; }
.mainnav a:hover { color: var(--blue); text-decoration: none; }
.mainnav a[aria-current="page"] { color: var(--blue); border-bottom-color: var(--blue); }
.mainnav__tool { margin-left: auto; color: var(--blue) !important; }
@media (max-width: 767px) {
  .masthead__in { min-height: 60px; }
  .brand img { height: 36px; }
  .search { display: none; }
  .menu-btn { display: block; margin-left: auto; }
  .mainnav { display: none; }
  .mainnav.open { display: block; }
  .mainnav__in { flex-direction: column; padding-bottom: 8px; }
  .mainnav a { border-bottom: 0; border-left: 3px solid transparent; padding: 10px 12px; }
  .mainnav a[aria-current="page"] { border-left-color: var(--blue); }
  .mainnav__tool { margin-left: 0; }
  .topbar__date { display: none; }
}

/* hero + analyzer */
.hero { background: radial-gradient(1200px 400px at 85% -10%, var(--blue-100), transparent 60%), linear-gradient(180deg, var(--blue-50), #fff); border-bottom: 1px solid var(--line); }
.hero__in { padding-top: 44px; padding-bottom: 44px; display: grid; gap: 28px; }
@media (min-width: 960px) { .hero__in { grid-template-columns: 1fr 1.15fr; align-items: center; padding-top: 64px; padding-bottom: 64px; } }
.eyebrow { display: inline-block; font-weight: 700; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--blue); background: #fff; border: 1px solid var(--blue-100); padding: 5px 12px; border-radius: 999px; margin: 0 0 16px; }
.hero h1 { font-size: clamp(34px, 5.4vw, 56px); font-weight: 800; }
.hero h1 span { color: var(--blue); }
.hero__lede { font-size: 18px; color: var(--ink-2); max-width: 520px; margin: 0; }
@media (min-width: 960px) { .hero__in:has(.report:not([hidden])) { align-items: start; } }
.hero__in > .tool:only-child { grid-column: 1 / -1; max-width: 860px; width: 100%; margin: 0 auto; }
.tool { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); padding: 18px; min-width: 0; }
@media (min-width: 600px) { .tool { padding: 24px; } }
.tool__tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; background: var(--bg-2); border-radius: 12px; padding: 5px; margin-bottom: 16px; }
.tool__tabs button { display: flex; align-items: center; justify-content: center; gap: 6px; border: 0; background: none; border-radius: 9px; padding: 10px 6px; font-weight: 600; font-size: 14px; color: var(--ink-2); cursor: pointer; }
.tool__tabs button[aria-selected="true"] { background: #fff; color: var(--blue); box-shadow: 0 1px 3px rgba(14,20,36,.12); }
@media (max-width: 420px) { .tool__tabs button svg { display: none; } .tool__tabs button { font-size: 13px; } }
.tool__form { display: flex; gap: 8px; }
.tool__form input { flex: 1; min-width: 0; border: 1.5px solid var(--line); border-radius: 10px; padding: 12px 14px; font-size: 16px; }
.tool__form input:focus { border-color: var(--blue); outline: none; box-shadow: 0 0 0 4px var(--blue-50); }
.tool__hint { color: var(--muted); font-size: 13.5px; margin: 10px 2px 0; }
.tool__hint.err { color: var(--bad); }

/* report */
.report { scroll-margin-top: 140px; margin-top: 18px; border-top: 1px solid var(--line); padding-top: 18px; }
.report__top { display: flex; gap: 18px; align-items: center; margin-bottom: 16px; }
.ring { --p: 0; --col: var(--blue); flex: none; width: 92px; height: 92px; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--col) calc(var(--p) * 1%), var(--line) 0); }
.ring b { display: grid; place-items: center; width: 74px; height: 74px; border-radius: 50%; background: #fff; font: 800 26px var(--display); color: var(--col); }
.verdict { font: 700 20px var(--display); margin: 0 0 4px; }
.report__url { color: var(--muted); font-size: 13.5px; margin: 0; word-break: break-all; }
.scores { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; margin-bottom: 14px; }
.score { background: var(--bg-2); border-radius: 10px; padding: 10px 12px; }
.score span { display: block; font-size: 12.5px; color: var(--muted); }
.score b { font: 700 20px var(--display); }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.check { display: grid; grid-template-columns: 22px 1fr; gap: 10px; padding: 10px 12px; border-radius: 10px; background: var(--bg-2); font-size: 14.5px; }
.check i { font-style: normal; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-size: 12px; font-weight: 700; margin-top: 1px; }
.check--pass i { background: var(--ok); } .check--warn i { background: var(--warn); } .check--fail i { background: var(--bad); }
.check strong { display: block; }
.check small { color: var(--ink-2); display: block; font-size: 13.5px; }
.check__group { font: 700 13px var(--sans); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 14px 0 6px; }
.share { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin: 0 0 14px; max-width: 460px; background: #fff; }
.share__img { aspect-ratio: 1.91/1; background: var(--bg-2) center/cover no-repeat; display: grid; place-items: center; color: var(--muted); font-size: 13px; }
.share__body { padding: 10px 12px; }
.share__body small { color: var(--muted); text-transform: uppercase; font-size: 11.5px; }
.share__body b { display: block; margin: 2px 0; }
.share__body p { margin: 0; color: var(--ink-2); font-size: 13.5px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 14px; }
.chip { font-size: 13px; padding: 5px 10px; border-radius: 999px; background: var(--blue-50); color: var(--blue-d); font-weight: 600; }
.chip--off { background: var(--bg-2); color: var(--muted); text-decoration: line-through; }
.report__cta { margin-top: 14px; padding: 12px 14px; background: var(--blue-50); border-radius: 10px; font-size: 14.5px; }
.spinner { width: 18px; height: 18px; border: 2.5px solid rgba(255,255,255,.45); border-top-color: #fff; border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* sections + cards */
.section { padding-top: 40px; padding-bottom: 8px; }
.sec-head { display: flex; align-items: baseline; justify-content: space-between; border-top: 3px solid var(--ink); padding-top: 12px; margin-bottom: 20px; }
.sec-head h2 { font-size: 22px; margin: 0; }
.cover { --c: var(--blue); position: relative; aspect-ratio: 16/9; border-radius: 12px; overflow: hidden; background: radial-gradient(circle at 80% 20%, color-mix(in srgb, var(--c) 28%, #fff), transparent 55%), linear-gradient(135deg, color-mix(in srgb, var(--c) 14%, #fff), color-mix(in srgb, var(--c) 4%, #fff)); color: var(--c); }
.cover::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(color-mix(in srgb, var(--c) 22%, transparent) 1.2px, transparent 1.3px); background-size: 16px 16px; mask-image: linear-gradient(90deg, transparent 30%, #000); }
.cover__icon { position: absolute; right: 8%; bottom: 14%; opacity: .9; z-index: 1; }
.cover__icon svg { width: clamp(44px, 18%, 96px); height: auto; }
.cover__label { position: absolute; left: 14px; top: 12px; font: 700 12px var(--sans); text-transform: uppercase; letter-spacing: .06em; z-index: 1; }
.cover--wide { aspect-ratio: 21/8; margin: 8px 0 28px; }
.cover--photo { background: var(--bg-2); }
.cover--photo::after { content: none; }
.cover--photo img { width: 100%; height: 100%; object-fit: cover; }
.cover--wide.cover--photo { aspect-ratio: 1200/630; margin-bottom: 8px; }
@media (min-width: 900px) { .cover--wide.cover--photo { aspect-ratio: 2.2/1; } }
.credit { font-size: 12.5px; color: var(--muted); margin: 0 0 28px; }
.credit a { color: var(--muted); text-decoration: underline; }
.card { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.card__media:hover { text-decoration: none; }
.card__media .cover { transition: transform .25s; }
.card:hover .cover { transform: scale(1.015); }
.kicker { --c: var(--blue); display: inline-block; color: var(--c); font-weight: 700; font-size: 12.5px; text-transform: uppercase; letter-spacing: .05em; }
.card__title { font-size: 19px; margin: 4px 0 6px; }
.card__title a { color: var(--ink); }
.card__dek { color: var(--ink-2); margin: 0 0 6px; font-size: 15px; }
.meta { color: var(--muted); font-size: 13.5px; margin: 0; }
.meta a { color: var(--ink-2); font-weight: 600; }
.top { display: grid; gap: 24px; }
@media (min-width: 900px) { .top { grid-template-columns: 1.6fr 1fr; } }
.card--big .card__title { font-size: clamp(24px, 3vw, 32px); }
.card--big .card__dek { font-size: 17px; }
.top__side { display: grid; gap: 24px; }
@media (min-width: 600px) and (max-width: 899px) { .top__side { grid-template-columns: 1fr 1fr; } }
.top__side .cover { aspect-ratio: 2.2/1; }
.grid3 { display: grid; gap: 28px 24px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.split { display: grid; gap: 32px; }
@media (min-width: 1000px) { .split { grid-template-columns: 1fr 320px; } .split .grid3 { grid-template-columns: repeat(2, 1fr); } }
.rail { display: grid; gap: 20px; align-content: start; }
.rail__box { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.rail__box h2 { font-size: 18px; }
.rail__box--cta { background: var(--blue); border-color: var(--blue); color: #fff; }
.rail__box--cta h2 { color: #fff; }
.rail__box--cta .btn { background: #fff; color: var(--blue); }
.numlist { list-style: none; counter-reset: n; margin: 0; padding: 0; }
.li { counter-increment: n; position: relative; padding: 10px 0 10px 40px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 2px; }
.li:first-child { border-top: 0; }
.li::before { content: counter(n); position: absolute; left: 0; top: 8px; font: 800 26px var(--display); color: var(--blue-100); }
.li__title { color: var(--ink); font-weight: 600; line-height: 1.35; }
.topics { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); padding-bottom: 40px; }
.topic { --c: var(--blue); border: 1px solid var(--line); border-top: 4px solid var(--c); border-radius: 12px; padding: 16px 18px; }
.topic__head { display: flex; align-items: center; gap: 8px; color: var(--c); font: 700 18px var(--display); margin-bottom: 8px; }
.topic__head .arrow { margin-left: auto; }
.topic ul { margin: 0; padding: 0; list-style: none; }
.topic li { padding: 8px 0; border-top: 1px solid var(--line); }
.topic li a { color: var(--ink); font-weight: 500; }

/* category hero */
.cat-hero { --c: var(--blue); background: linear-gradient(180deg, color-mix(in srgb, var(--c) 9%, #fff), #fff); border-bottom: 1px solid var(--line); padding: 40px 0 28px; }
.cat-hero h1 { font-size: clamp(30px, 4.4vw, 44px); margin-bottom: 6px; }
.cat-hero p { color: var(--ink-2); margin: 0; max-width: 640px; font-size: 17px; }
.cat-hero__icon { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: var(--c); color: #fff; margin-bottom: 14px; }
.empty { color: var(--muted); padding: 24px 0 48px; }

/* article */
.article { padding-top: 24px; }
.crumbs { font-size: 13.5px; color: var(--muted); margin-bottom: 18px; }
.crumbs a { color: var(--muted); }
.article__head { max-width: 820px; }
.article__head h1 { font-size: clamp(30px, 4.6vw, 46px); font-weight: 800; margin: 8px 0 12px; }
.article__dek { font-size: 19px; color: var(--ink-2); margin: 0 0 14px; }
.article__grid { display: grid; gap: 32px; }
@media (min-width: 1000px) { .article__grid { grid-template-columns: 240px minmax(0, 720px); } }
.toc { align-self: start; border-left: 3px solid var(--blue-100); padding-left: 16px; }
@media (min-width: 1000px) { .toc { position: sticky; top: 140px; } }
.toc h2 { font: 700 13px var(--sans); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.toc ol { margin: 0; padding-left: 18px; font-size: 14.5px; }
.toc li { margin: 6px 0; }
.toc a { color: var(--ink-2); }
.prose { font-size: 17.5px; line-height: 1.75; color: #1D2335; min-width: 0; }
.prose h2 { font-size: 27px; margin-top: 1.6em; scroll-margin-top: 140px; }
.prose h3 { font-size: 21px; margin-top: 1.4em; }
.prose p, .prose ul, .prose ol { margin: 0 0 1.1em; }
.prose li { margin: .35em 0; }
.prose a { text-decoration: underline; text-decoration-color: var(--blue-100); text-underline-offset: 3px; text-decoration-thickness: 2px; }
.prose blockquote { margin: 1.4em 0; padding: 14px 20px; border-left: 4px solid var(--blue); background: var(--blue-50); border-radius: 0 10px 10px 0; }
.prose blockquote p { margin: 0; }
.prose code { background: var(--bg-2); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; font-size: .88em; }
.prose pre { background: var(--ink); color: #DCE6FD; padding: 16px 18px; border-radius: 12px; overflow-x: auto; font-size: 14px; line-height: 1.6; margin: 0 0 1.2em; }
.prose pre code { background: none; border: 0; padding: 0; color: inherit; font-size: inherit; }
.table-wrap { overflow-x: auto; margin: 0 0 1.4em; border: 1px solid var(--line); border-radius: 12px; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.5; min-width: 560px; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.prose th { background: var(--blue-50); font-weight: 700; color: var(--ink); }
.prose tbody tr:last-child td { border-bottom: 0; }
.prose td:first-child { font-weight: 600; color: var(--ink); }
.prose--page { max-width: 780px; padding-top: 36px; padding-bottom: 48px; }
.prose--page h1 { font-size: clamp(30px, 4.4vw, 42px); }
.article__cta { margin: 2em 0; padding: 16px 18px; background: var(--blue-50); border-radius: 12px; font-size: 16px; }
.author { display: flex; gap: 14px; align-items: flex-start; border-top: 1px solid var(--line); padding-top: 20px; font-size: 15px; }
.author img { width: 56px; height: 56px; object-fit: cover; border-radius: 50%; background: var(--blue-50); flex: none; }
.author p { margin: 4px 0 0; color: var(--ink-2); line-height: 1.55; }

/* search + misc */
.page-title { font-size: 34px; }
.search--page { margin: 0 0 24px; max-width: 620px; border-radius: 12px; padding: 4px; }
.search--page input { width: 100%; flex: 1; font-size: 17px; }
.results { display: grid; gap: 14px; padding-bottom: 48px; }
.result { border-bottom: 1px solid var(--line); padding-bottom: 14px; }
.result a { font: 700 19px var(--display); color: var(--ink); }
.result p { margin: 4px 0 0; color: var(--ink-2); }
.notfound { text-align: center; padding: 80px 16px; }
.form { display: grid; gap: 12px; max-width: 560px; }

/* footer */
.footer { background: var(--bg-2); border-top: 1px solid var(--line); margin-top: 48px; padding-top: 40px; font-size: 14.5px; }
.footer__grid { display: grid; gap: 28px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.footer h3 { font: 700 13px var(--sans); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 10px; }
.footer__grid a:not(.brand) { display: block; color: var(--ink-2); padding: 3px 0; }
.brand--foot img { height: 40px; margin-bottom: 10px; }
.acm { display: grid; gap: 16px; align-items: center; margin-top: 32px; padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
@media (min-width: 800px) { .acm { grid-template-columns: 170px 1fr auto; gap: 24px; padding: 20px 24px; } }
.acm__logo img { width: 160px; height: auto; }
.acm__text { color: var(--ink-2); font-size: 15px; line-height: 1.55; }
.acm__text strong { color: var(--ink); display: block; font: 700 17px var(--display); margin-bottom: 2px; }
.footer__grid a.acm__btn, .acm__btn { color: #fff; justify-self: start; }
.footer__base a { text-decoration: underline; }
.footer__links { display: flex; gap: 16px; flex-wrap: wrap; }
.linkbtn { background: none; border: 0; padding: 0; color: var(--muted); text-decoration: underline; cursor: pointer; font-size: inherit; }
.linkbtn[hidden] { display: none; }
.footer__base { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-top: 1px solid var(--line); margin-top: 32px; padding-top: 16px; padding-bottom: 24px; color: var(--muted); font-size: 13.5px; }
.footer__base a { color: var(--muted); }