:root {
  --ink: #202936;
  --muted: #667384;
  --paper: #f7f8fa;
  --card: #ffffff;
  --line: #dfe4ea;
  --accent: #2457d6;
  --accent-dark: #1d46ad;
  --shadow: 0 8px 24px rgba(32, 41, 54, .06);
  --radius: 14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; }
a { color: inherit; }
.container { width: min(1040px, calc(100% - 32px)); margin: 0 auto; }
.site-header { background: #fff; border-bottom: 1px solid var(--line); }
.nav { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; font-weight: 750; letter-spacing: -.02em; white-space: nowrap; }
.brand-mark { width: 30px; height: 30px; display: grid; place-items: center; color: #fff; background: var(--accent); border-radius: 8px; font-size: .67rem; font-weight: 800; }
.nav-links { display: flex; align-items: center; gap: 20px; font-size: .9rem; color: var(--muted); }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--accent); }
.nav-cta { color: var(--accent) !important; font-weight: 700; }
.menu-toggle { display: none; border: 1px solid var(--line); background: #fff; color: var(--ink); padding: 8px 10px; border-radius: 8px; font-size: 1.1rem; line-height: 1; cursor: pointer; }
.hero { padding: 64px 0 48px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, 440px); gap: 64px; align-items: center; }
.eyebrow { margin: 0 0 10px; text-transform: uppercase; letter-spacing: .1em; font-size: .72rem; font-weight: 800; color: var(--accent); }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.025em; margin: 0 0 14px; }
h1 { font-size: clamp(2.25rem, 5vw, 3.8rem); max-width: 620px; }
h2 { font-size: clamp(1.75rem, 3vw, 2.35rem); }
h3 { font-size: 1.12rem; }
.lede { color: var(--muted); font-size: 1.05rem; max-width: 620px; }
.hero-note { color: var(--muted); font-size: .88rem; margin-top: 20px; }
.checker-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 26px; }
.card-kicker { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 22px; color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.live { color: #36734d; }
label { display: block; margin: 0 0 7px; font-size: .87rem; font-weight: 700; }
.input-row { display: flex; gap: 9px; }
input { min-width: 0; width: 100%; padding: 13px 14px; border: 1px solid #cbd3dc; border-radius: 9px; color: var(--ink); background: #fff; font: inherit; outline: 0; }
input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(36, 87, 214, .14); }
button, .button { min-height: 46px; border: 0; padding: 11px 16px; border-radius: 9px; background: var(--accent); color: #fff; font: inherit; font-weight: 700; cursor: pointer; text-decoration: none; display: inline-flex; justify-content: center; align-items: center; transition: background .15s ease; }
button:hover, .button:hover { background: var(--accent-dark); }
button:active, .button:active { transform: scale(.98); }
button:disabled { opacity: .65; cursor: wait; }
.helper { color: var(--muted); font-size: .8rem; margin: 9px 0 0; }
.result { margin-top: 20px; min-height: 76px; }
.result-box { display: flex; align-items: center; gap: 15px; padding: 14px; border: 1px solid #d8e1f5; border-radius: 10px; background: #f5f8ff; }
.result-score { font-size: 2.6rem; font-weight: 800; line-height: 1; color: var(--accent); }
.result-label { color: var(--muted); font-size: .8rem; }
.result-domain { overflow-wrap: anywhere; font-weight: 700; }
.error { margin: 0; padding: 12px; border: 1px solid #efd2cd; border-radius: 9px; background: #fff7f5; color: #a03d32; font-size: .88rem; }
.section { padding: 52px 0; border-top: 1px solid var(--line); }
.section-head { max-width: 720px; margin-bottom: 24px; }
.section-head p { color: var(--muted); }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.metric { padding-right: 20px; border-right: 1px solid var(--line); }
.metric:last-child { border-right: 0; }
.metric strong { display: block; margin-bottom: 3px; font-size: 1.05rem; }
.metric span { color: var(--muted); font-size: .9rem; }
.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.article-card { display: block; padding: 19px; border: 1px solid var(--line); border-radius: 11px; background: #fff; text-decoration: none; }
.article-card:hover { border-color: #b9c9ee; }
.article-type { color: var(--accent); text-transform: uppercase; letter-spacing: .08em; font-size: .68rem; font-weight: 800; }
.article-card p, .faq p { color: var(--muted); margin: 0; font-size: .9rem; }
.faqs { display: grid; gap: 10px; max-width: 820px; }
.faq { padding: 17px 19px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.faq summary { cursor: pointer; font-weight: 700; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary:after { content: "+"; float: right; color: var(--accent); font-size: 1.2rem; }
.faq[open] summary:after { content: "–"; }
.cta-band { padding: 25px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.cta-band h2 { margin-bottom: 5px; font-size: 1.55rem; }
.cta-band p { color: var(--muted); margin: 0; }
.footer { margin-top: 50px; padding: 25px 0 34px; border-top: 1px solid var(--line); color: var(--muted); font-size: .84rem; }
.footer-row { display: flex; justify-content: space-between; gap: 18px; align-items: center; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }
.footer a { text-decoration: none; }
.article-hero, .page-hero { padding: 58px 0 30px; }
.article-hero h1, .page-hero h1 { max-width: 820px; font-size: clamp(2.2rem, 5vw, 3.7rem); }
.article-layout { display: grid; grid-template-columns: minmax(0, 760px) 220px; gap: 44px; align-items: start; padding-bottom: 58px; }
.article-body, .prose { font-size: 1rem; }
.article-body h2, .prose h2 { font-size: 1.75rem; margin-top: 38px; }
.article-body h3 { margin-top: 26px; }
.article-body p, .article-body li, .prose p, .prose li { color: #4d5b6d; }
.article-body a, .prose a { color: var(--accent); }
.article-body blockquote { margin: 25px 0; padding: 14px 18px; border-left: 3px solid var(--accent); background: #fff; color: var(--ink); }
.article-sidebar { position: sticky; top: 18px; padding: 16px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.article-sidebar strong { display: block; margin-bottom: 8px; }
.article-sidebar a { display: block; padding: 4px 0; color: var(--muted); font-size: .86rem; text-decoration: none; }
.prose { max-width: 760px; padding-bottom: 58px; }
@media (max-width: 820px) {
  .nav { position: relative; }
  .menu-toggle { display: inline-flex; }
  .nav-links { display: none; position: absolute; z-index: 5; top: calc(100% + 1px); left: 0; right: 0; padding: 10px 0 14px; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 8px 16px rgba(32,41,54,.05); }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 11px 2px; }
  .hero-grid, .split, .article-layout { grid-template-columns: 1fr; gap: 30px; }
  .hero { padding: 46px 0 38px; }
  .article-sidebar { position: static; order: -1; }
  .metrics { gap: 14px; }
  .metric { padding: 0 0 14px; border-right: 0; border-bottom: 1px solid var(--line); }
  .metric:last-child { border-bottom: 0; padding-bottom: 0; }
}
@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1040px); }
  .brand { font-size: .92rem; }
  h1 { font-size: 2.35rem; }
  .input-row { flex-direction: column; }
  .input-row button { width: 100%; }
  .checker-card { padding: 20px; }
  .articles-grid { grid-template-columns: 1fr; }
  .cta-band, .footer-row { align-items: flex-start; flex-direction: column; }
  .footer-links { gap: 10px 14px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *:before, *:after { transition: none !important; } }

.article-meta { margin: -10px 0 28px; color: var(--muted); font-size: .86rem; }
.article-meta a { color: var(--accent); }
/* Homepage redesign additions: calm utility layout inspired by calculator sites. */
.hero-tool { padding: 72px 0 76px; background: linear-gradient(180deg, #f7f9fc 0%, #ffffff 100%); }
.narrow { max-width: 960px; }
.hero-tool .eyebrow { margin-bottom: 14px; }
.hero-tool h1 { max-width: 780px; font-size: clamp(2.65rem, 6vw, 4.7rem); letter-spacing: -.045em; }
.hero-intro { max-width: 780px; margin: 22px 0 34px; font-size: clamp(1.08rem, 2vw, 1.35rem); line-height: 1.65; color: #4d5b6d; }
.checker-card { max-width: 920px; margin: 0 auto; padding: 30px 34px 27px; border: 1px solid #d9dfe8; border-radius: 20px; background: #fff; box-shadow: 0 18px 42px rgba(32,41,54,.09); }
.checker-card .card-kicker { margin-bottom: 28px; }
.checker-card label { display: block; margin-bottom: 10px; font-weight: 750; color: var(--ink); }
.checker-card input { min-height: 56px; border-radius: 12px; font-size: 1rem; }
.checker-card button, .button { min-height: 56px; border-radius: 12px; }
.checker-note { margin: 20px 0 0; color: var(--muted); font-size: .83rem; }
.content-narrow { max-width: 930px; }
.intro-section { padding-top: 72px; }
.content-narrow > p { max-width: 800px; font-size: 1.05rem; line-height: 1.85; }
.callout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 24px; margin-top: 30px; padding: 22px 24px; border-left: 4px solid var(--accent); border-radius: 0 12px 12px 0; background: #f1f5fc; }
.callout strong { font-size: 1.05rem; }
.callout span { color: var(--muted); line-height: 1.65; }
.light-section { background: #f7f9fc; }
.numbered-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
.numbered-grid article { padding-top: 20px; border-top: 2px solid #dbe3f2; }
.step-number { display: block; margin-bottom: 16px; color: var(--accent); font-size: .8rem; font-weight: 850; letter-spacing: .12em; }
.numbered-grid h3 { margin-bottom: 10px; font-size: 1.2rem; }
.numbered-grid p { color: var(--muted); line-height: 1.7; }
.featured-guides { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.featured-guide { display: flex; min-height: 245px; flex-direction: column; padding: 23px; border: 1px solid var(--line); border-radius: 14px; background: #fff; text-decoration: none; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.featured-guide:hover { transform: translateY(-3px); border-color: #b6c7eb; box-shadow: 0 12px 25px rgba(32,41,54,.07); }
.featured-guide h3 { margin: 12px 0 9px; font-size: 1.25rem; }
.featured-guide p { color: var(--muted); line-height: 1.65; }
.read-link { margin-top: auto; padding-top: 18px; color: var(--accent); font-size: .88rem; font-weight: 750; }
.center-link { margin: 28px auto 0; text-align: center; }
.center-link a { color: var(--accent); font-weight: 750; }
.result-context { margin-top: 4px; color: var(--muted); font-size: .78rem; }
.methodology { display: grid; grid-template-columns: .8fr 1.2fr; gap: 52px; padding: 28px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.methodology h2 { margin-top: 0; }
.methodology p { color: var(--muted); line-height: 1.75; }
.methodology a { color: var(--accent); }
.footer { margin-top: 0; padding: 54px 0 28px; background: #f1f4f8; }
.footer-main { display: grid; grid-template-columns: 1.35fr repeat(3, 1fr); gap: 32px; }
.footer-brand strong { display: block; color: var(--ink); font-size: 1.05rem; }
.footer-brand p { max-width: 280px; line-height: 1.65; }
.footer-disclosure { font-size: .78rem; }
.footer-column { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.footer-column h3 { margin: 0 0 6px; color: var(--ink); font-size: .84rem; letter-spacing: .03em; }
.footer-column a { text-decoration: none; font-size: .84rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; margin-top: 42px; padding-top: 18px; border-top: 1px solid #d9dfe8; font-size: .78rem; }
@media (max-width: 820px) {
  .hero-tool { padding: 52px 0 56px; }
  .checker-card { padding: 24px 22px; }
  .callout, .methodology { grid-template-columns: 1fr; gap: 12px; }
  .numbered-grid, .featured-guides { grid-template-columns: 1fr; gap: 18px; }
  .featured-guide { min-height: 0; }
  .footer-main { grid-template-columns: repeat(2, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .hero-tool h1 { font-size: 2.55rem; }
  .hero-intro { font-size: 1rem; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 28px 18px; }
  .footer-bottom { flex-direction: column; }
}

.privacy-notice { position: fixed; z-index: 20; right: 20px; bottom: 20px; display: flex; max-width: 520px; align-items: center; gap: 22px; padding: 16px 18px; border: 1px solid #ccd6e5; border-radius: 14px; background: #fff; box-shadow: 0 14px 36px rgba(32,41,54,.16); }
.privacy-notice strong { display: block; margin-bottom: 3px; color: var(--ink); font-size: .88rem; }
.privacy-notice p { margin: 0; color: var(--muted); font-size: .78rem; line-height: 1.5; }
.privacy-notice a { color: var(--accent); font-weight: 700; }
.privacy-notice-close { flex: 0 0 auto; min-height: 38px; padding: 8px 14px; border: 0; border-radius: 8px; background: var(--accent); color: #fff; font: inherit; font-size: .8rem; font-weight: 750; cursor: pointer; }
.privacy-notice-close:hover { background: #163c84; }
@media (max-width: 620px) { .privacy-notice { right: 12px; bottom: 12px; left: 12px; align-items: flex-end; gap: 12px; } .privacy-notice-close { min-height: 34px; padding: 7px 11px; } }