:root {
  --ink: #111111;
  --yellow: #ffd400;
  --paper: #ffffff;
  --grey: #f4f4f2;
  --line: #d9d9d6;
  --mid: #6b6b68;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; color: var(--ink); background: var(--paper); line-height: 1.6; }
img { max-width: 100%; height: auto; }
a { color: var(--ink); text-decoration: none; }

/* ---------- Navbar : black bar, hairline bottom ---------- */
.navbar { background: var(--ink); position: sticky; top: 0; z-index: 100; border-bottom: 4px solid var(--yellow); }
.nav-inner, .nav-pill { max-width: 1360px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 32px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 22px; font-weight: 700; letter-spacing: -.02em; }
.logo-tld { color: var(--yellow); font-weight: 700; }
.nav-links { list-style: none; display: flex; gap: 26px; }
.nav-links a { color: rgba(255,255,255,.82); font-size: 14px; font-weight: 500; text-transform: uppercase; letter-spacing: .04em; }
.nav-links a:hover { color: var(--yellow); }

/* ---------- Hero : strict type, yellow block ---------- */
.hero { border-bottom: 1px solid var(--ink); }
.hero-inner { max-width: 1360px; margin: 0 auto; padding: 72px 32px 64px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: end; }
.hero-kicker { display: inline-block; background: var(--yellow); color: var(--ink); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; padding: 5px 14px; margin-bottom: 22px; }
.hero h1 { font-size: 56px; line-height: 1.04; letter-spacing: -.03em; font-weight: 700; text-transform: uppercase; }
.hero h1 em { font-style: normal; background: var(--yellow); padding: 0 10px; }
.hero-sub { font-size: 17px; color: var(--mid); margin-top: 20px; max-width: 560px; }
.hero-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.hero-links a { border: 1px solid var(--ink); padding: 9px 18px; font-size: 13.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.hero-links a:hover { background: var(--ink); color: #fff; }
.hero-links a.hl-y { background: var(--ink); color: var(--yellow); }
.hero-links a.hl-y:hover { background: var(--yellow); color: var(--ink); }
.hero-side { border-left: 1px solid var(--ink); padding-left: 40px; }
.hero-side h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 16px; }
.hero-side-list { list-style: none; }
.hero-side-list li { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 15px; font-weight: 600; display: flex; justify-content: space-between; gap: 14px; }
.hero-side-list li span { color: var(--mid); font-weight: 400; font-size: 13px; white-space: nowrap; }
.hero-side-list a:hover { text-decoration: underline; text-decoration-color: var(--yellow); text-decoration-thickness: 3px; }

/* ---------- Section head : numbered ---------- */
.sec { max-width: 1360px; margin: 0 auto; padding: 56px 32px 0; }
.sec-head { display: flex; align-items: baseline; gap: 20px; border-bottom: 2px solid var(--ink); padding-bottom: 14px; margin-bottom: 28px; }
.sec-num { font-size: 40px; font-weight: 700; color: transparent; -webkit-text-stroke: 1.5px var(--ink); line-height: 1; }
.sec-head h2 { font-size: 26px; text-transform: uppercase; letter-spacing: -.01em; font-weight: 700; }
.sec-head h1 { font-size: 26px; text-transform: uppercase; letter-spacing: -.01em; font-weight: 700; }
.sec-head .sec-more { margin-left: auto; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; border-bottom: 3px solid var(--yellow); }
.sec-head .sec-more:hover { background: var(--yellow); }
.sec-intro { color: var(--mid); font-size: 15.5px; max-width: 720px; margin: -14px 0 26px; }

/* ---------- Strict grids, hairline separations ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.card { background: var(--paper); padding: 0; display: flex; flex-direction: column; transition: background .15s; position: relative; }
.card:hover { background: var(--grey); }
.card-img { overflow: hidden; aspect-ratio: 16/9; border-bottom: 1px solid var(--line); }
.card-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(30%) contrast(1.05); }
.card:hover .card-img img { filter: none; }
.card-body { padding: 18px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.card-cat { align-self: flex-start; background: var(--yellow); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; padding: 3px 9px; margin-bottom: 12px; }
.card-title { font-size: 17px; font-weight: 700; line-height: 1.3; letter-spacing: -.01em; margin-bottom: 8px; }
.card-desc { font-size: 13.5px; color: var(--mid); flex: 1; }
.card-meta { font-size: 12px; color: var(--mid); margin-top: 14px; text-transform: uppercase; letter-spacing: .05em; }
.card::after { content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 0; background: var(--yellow); transition: width .18s; }
.card:hover::after { width: 100%; }

/* wide lead card variant */
.card-wide { grid-column: span 2; flex-direction: row; }
.card-wide .card-img { border-bottom: none; border-right: 1px solid var(--line); width: 50%; aspect-ratio: auto; }
.card-wide .card-body { width: 50%; justify-content: center; padding: 28px 30px; }
.card-wide .card-title { font-size: 22px; }

/* ---------- Category index band ---------- */
.cat-band { background: var(--ink); color: #fff; margin-top: 56px; }
.cat-band-inner { max-width: 1360px; margin: 0 auto; padding: 40px 32px; }
.cat-band-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.18); }
.cat-cell { background: var(--ink); padding: 20px 22px; }
.cat-cell a { color: #fff; }
.cat-cell .cc-num { font-size: 12px; color: var(--yellow); font-weight: 700; letter-spacing: .1em; display: block; margin-bottom: 6px; }
.cat-cell h3 { font-size: 16px; text-transform: uppercase; letter-spacing: .02em; }
.cat-cell p { font-size: 12.5px; color: rgba(255,255,255,.6); margin-top: 6px; }
.cat-cell:hover { background: #1e1e1e; }

/* ---------- Fact strip : yellow ---------- */
.fact-strip { background: var(--yellow); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.fact-strip-inner { max-width: 1360px; margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: repeat(4, 1fr); }
.fact-cell { padding: 26px 24px; border-left: 1px solid var(--ink); }
.fact-cell:first-child { border-left: none; }
.fact-cell .f-num { font-size: 34px; font-weight: 700; letter-spacing: -.02em; line-height: 1.1; }
.fact-cell .f-label { font-size: 12.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; margin-top: 4px; }

/* ---------- Net comparison table block ---------- */
.netz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--ink); border: 1px solid var(--ink); }
.netz-cell { background: var(--paper); padding: 26px 26px 30px; }
.netz-cell h3 { font-size: 20px; text-transform: uppercase; margin-bottom: 4px; }
.netz-cell .n-sub { font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--mid); margin-bottom: 16px; }
.netz-cell ul { list-style: none; }
.netz-cell li { padding: 8px 0; border-top: 1px solid var(--line); font-size: 13.5px; display: flex; justify-content: space-between; gap: 12px; }
.netz-cell li span { color: var(--mid); }
.netz-cell.nc-hl { background: var(--yellow); }
.netz-cell.nc-hl li { border-top-color: rgba(17,17,17,.25); }

/* ---------- FAQ : numbered list, hairlines ---------- */
.faq-list { border-top: 2px solid var(--ink); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { cursor: pointer; list-style: none; padding: 18px 0; display: flex; gap: 18px; align-items: baseline; font-size: 16.5px; font-weight: 700; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .fq-n { color: var(--mid); font-size: 13px; font-weight: 700; min-width: 30px; }
.faq-item summary:hover .fq-n { color: var(--ink); }
.faq-item summary .fq-plus { margin-left: auto; font-size: 20px; font-weight: 400; }
.faq-item[open] summary .fq-plus { transform: rotate(45deg); }
.faq-item p { padding: 0 0 18px 48px; color: var(--mid); font-size: 15px; max-width: 820px; }

/* ---------- CTA ---------- */
.cta { max-width: 1360px; margin: 64px auto 0; padding: 0 32px; }
.cta-box { background: var(--ink); color: #fff; padding: 44px 48px; display: flex; justify-content: space-between; align-items: center; gap: 32px; }
.cta-box h3 { font-size: 28px; text-transform: uppercase; letter-spacing: -.01em; }
.cta-box h3 span { color: var(--yellow); }
.cta-box p { color: rgba(255,255,255,.65); font-size: 15px; margin-top: 8px; max-width: 560px; }
.cta-btn { background: var(--yellow); color: var(--ink); padding: 14px 30px; font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; white-space: nowrap; }
.cta-btn:hover { background: #fff; }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: rgba(255,255,255,.7); margin-top: 72px; border-top: 4px solid var(--yellow); }
.footer-inner { max-width: 1360px; margin: 0 auto; padding: 48px 32px 32px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.footer-col h4 { color: #fff; font-size: 13px; margin-bottom: 16px; text-transform: uppercase; letter-spacing: .1em; }
.footer-col a, .footer-col span { display: block; color: rgba(255,255,255,.7); font-size: 14px; margin-bottom: 10px; }
.footer-col a:hover { color: var(--yellow); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.15); text-align: center; padding: 18px; font-size: 12.5px; color: rgba(255,255,255,.45); text-transform: uppercase; letter-spacing: .08em; }

/* ---------- Article page ---------- */
.article-wrap { max-width: 900px; margin: 40px auto 0; padding: 0 32px; }
.article-breadcrumb { font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--mid); margin-bottom: 14px; }
.article-breadcrumb a { color: var(--mid); border-bottom: 2px solid var(--yellow); }
.article-breadcrumb a:hover { color: var(--ink); }
.article-title { font-size: 38px; line-height: 1.12; letter-spacing: -.02em; margin-bottom: 12px; text-transform: uppercase; }
.article-meta { font-size: 12.5px; color: var(--mid); margin-bottom: 28px; padding-bottom: 18px; border-bottom: 2px solid var(--ink); text-transform: uppercase; letter-spacing: .06em; }
.article-hero-img { border: 1px solid var(--ink); margin-bottom: 34px; }
.article-content h2 { font-size: 24px; margin: 34px 0 14px; padding-left: 14px; border-left: 6px solid var(--yellow); text-transform: uppercase; letter-spacing: -.01em; }
.article-content h3 { font-size: 17px; margin: 24px 0 10px; text-transform: uppercase; letter-spacing: .02em; }
.article-content p { margin-bottom: 15px; font-size: 16px; color: #2a2a28; }
.article-content ul, .article-content ol { margin: 0 0 16px 24px; }
.article-content li { margin-bottom: 8px; font-size: 15.5px; color: #2a2a28; }
.data-table { width: 100%; border-collapse: collapse; margin: 20px 0 26px; font-size: 14px; }
.data-table th { background: var(--ink); color: #fff; text-align: left; padding: 11px 14px; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.data-table td { padding: 10px 14px; border-bottom: 1px solid var(--line); }
.data-table tr:nth-child(even) { background: var(--grey); }
.article-note { background: var(--yellow); border-left: 6px solid var(--ink); padding: 16px 20px; margin: 20px 0; font-size: 15px; }
.article-faq { border: 1px solid var(--line); border-top: 3px solid var(--ink); padding: 18px 22px; margin-bottom: 14px; }
.article-faq h3 { margin: 0 0 8px; font-size: 15.5px; }
.article-faq p { margin: 0; }
.article-backlink { display: inline-block; margin-top: 34px; border: 1px solid var(--ink); padding: 10px 20px; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.article-backlink:hover { background: var(--yellow); }

/* ---------- Legal pages ---------- */
.legal-wrap { max-width: 820px; margin: 48px auto; padding: 0 32px 48px; }
.legal-wrap h1 { font-size: 32px; margin-bottom: 24px; text-transform: uppercase; border-bottom: 2px solid var(--ink); padding-bottom: 14px; }
.legal-wrap h2 { font-size: 17px; margin: 28px 0 10px; text-transform: uppercase; letter-spacing: .02em; padding-left: 12px; border-left: 5px solid var(--yellow); }
.legal-wrap p { margin-bottom: 12px; color: #2a2a28; font-size: 15px; }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .hero-inner { grid-template-columns: 1fr; padding: 48px 24px; }
  .hero h1 { font-size: 40px; }
  .hero-side { border-left: none; padding-left: 0; border-top: 1px solid var(--ink); padding-top: 24px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .netz-grid { grid-template-columns: 1fr; }
  .card-wide { grid-column: span 2; }
  .cat-band-grid, .fact-strip-inner { grid-template-columns: repeat(2, 1fr); }
  .fact-cell:nth-child(3) { border-left: none; }
  .footer-inner { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .nav-inner, .nav-pill { padding: 0 18px; }
  .nav-links { display: none; }
  .hero h1 { font-size: 30px; }
  .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .card-wide { grid-column: span 1; flex-direction: column; }
  .card-wide .card-img { width: 100%; border-right: none; border-bottom: 1px solid var(--line); aspect-ratio: 16/9; }
  .card-wide .card-body { width: 100%; }
  .cat-band-grid, .fact-strip-inner, .footer-inner { grid-template-columns: 1fr; }
  .fact-cell { border-left: none; border-top: 1px solid var(--ink); }
  .fact-cell:first-child { border-top: none; }
  .cta-box { flex-direction: column; align-items: flex-start; padding: 32px 24px; }
  .sec, .hero-inner, .cta, .article-wrap { padding-left: 18px; padding-right: 18px; }
  .sec-num { font-size: 28px; }
  .sec-head h2 { font-size: 20px; }
  .article-title { font-size: 27px; }
}