/* ==========================================================================
   Zahlkompass — Casino mit Klarna (de-DE)
   Single stylesheet. Prefix: .zk- / --zk-
   Mobile-first, desktop from 901px (matches the design's 900px switch)
   ========================================================================== */

/* ---------- Fonts (self-hosted, no external requests) ---------- */
@font-face {
  font-family: "Instrument Serif";
  src: url("/assets/fonts/instrument-serif-400-latin.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Serif";
  src: url("/assets/fonts/instrument-serif-400-italic-latin.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("/assets/fonts/ibm-plex-sans-latin-var.woff2") format("woff2");
  font-weight: 100 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/assets/fonts/ibm-plex-mono-400-latin.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/assets/fonts/ibm-plex-mono-500-latin.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --zk-bg: #F5F2EA;
  --zk-surface: #FFFDF7;
  --zk-ink: #16161A;
  --zk-ink-2: #3A3A42;
  --zk-muted: #55555F;
  --zk-line: rgba(22, 22, 26, 0.13);
  --zk-line-soft: rgba(22, 22, 26, 0.1);
  --zk-line-mid: rgba(22, 22, 26, 0.2);

  --zk-green: oklch(0.72 0.15 152);
  --zk-purple: oklch(0.52 0.13 300);
  --zk-purple-lt: oklch(0.72 0.15 300);

  --zk-on-dark: #F5F2EA;
  --zk-on-dark-70: rgba(245, 242, 234, 0.72);
  --zk-on-dark-60: rgba(245, 242, 234, 0.6);
  --zk-on-dark-55: rgba(245, 242, 234, 0.55);
  --zk-on-dark-line: rgba(245, 242, 234, 0.2);
  --zk-on-dark-border: rgba(245, 242, 234, 0.4);

  --zk-serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --zk-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --zk-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --zk-max: 1140px;
  --zk-gut: clamp(16px, 4vw, 28px);
  --zk-sec: clamp(46px, 7vw, 84px);
  --zk-tap: 44px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--zk-bg);
  color: var(--zk-ink);
  font-family: var(--zk-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; }
a { color: var(--zk-ink); text-decoration: none; }
a:hover { color: var(--zk-purple); }
:focus-visible { outline: 2px solid var(--zk-purple); outline-offset: 3px; }
summary { list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
table { border-collapse: collapse; }

/* anchors clear the sticky header */
[id] { scroll-margin-top: 78px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* ---------- Primitives ---------- */
.zk-wrap { max-width: var(--zk-max); margin: 0 auto; padding: 0 var(--zk-gut); }
.zk-sr {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0;
}
.zk-skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--zk-ink); color: var(--zk-on-dark); padding: 10px 16px; z-index: 99;
}
.zk-skip:focus { left: 8px; top: 8px; color: var(--zk-on-dark); }

.zk-mono {
  font-family: var(--zk-mono); font-size: 11.5px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--zk-muted);
}

.zk-h2 {
  font-family: var(--zk-serif); font-weight: 400;
  font-size: clamp(27px, 3.6vw, 38px); line-height: 1.12; letter-spacing: -0.01em;
  margin: 0 0 6px;
}
.zk-h2 + .zk-lede { margin-top: 0; }
.zk-lede { font-size: 15.5px; color: var(--zk-muted); margin: 0 0 26px; max-width: 70ch; }
.zk-sec { margin-bottom: var(--zk-sec); }

.zk-btn {
  display: flex; align-items: center; justify-content: center; text-align: center;
  min-height: 48px; padding: 14px 18px;
  font-size: 15px; font-weight: 500;
  background: var(--zk-ink); color: var(--zk-on-dark);
  transition: opacity 0.15s;
}
.zk-btn:hover { color: var(--zk-on-dark); opacity: 0.88; }
.zk-btn--inline { display: inline-flex; padding: 13px 24px; }
.zk-btn--green {
  display: inline-flex; min-height: var(--zk-tap); padding: 11px 18px;
  background: var(--zk-green); color: var(--zk-ink); font-size: 14.5px;
}
.zk-btn--green:hover { color: var(--zk-ink); }

/* dark plate every brand logo sits on — the marks are built for dark ground */
.zk-plate {
  background: var(--zk-ink); display: flex; align-items: center; justify-content: center;
}
.zk-plate img { width: auto; height: auto; object-fit: contain; }

/* ---------- Header ---------- */
.zk-header {
  background: var(--zk-ink); color: var(--zk-on-dark);
  position: sticky; top: 0; z-index: 40;
  border-bottom: 1px solid rgba(245, 242, 234, 0.16);
}
.zk-header-in {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding-top: 14px; padding-bottom: 14px;
}
.zk-brand { display: flex; align-items: center; gap: 10px; color: var(--zk-on-dark); flex: none; min-height: var(--zk-tap); }
.zk-brand:hover { color: var(--zk-on-dark); }
.zk-dot { width: 26px; height: 26px; border-radius: 50%; background: var(--zk-green); display: block; flex: none; }
.zk-brand-name { font-family: var(--zk-serif); font-size: 23px; letter-spacing: 0.01em; }
.zk-nav { display: none; align-items: center; gap: 26px; font-size: 14.5px; }
.zk-nav a { color: var(--zk-on-dark); display: flex; align-items: center; min-height: var(--zk-tap); }
.zk-nav a:hover { color: var(--zk-green); }
.zk-header-side { display: flex; align-items: center; gap: 12px; flex: none; }
.zk-chip {
  font-family: var(--zk-mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase;
  border: 1px solid rgba(245, 242, 234, 0.35); border-radius: 999px; padding: 5px 10px;
}
.zk-chip--desk { display: none; }
.zk-btn18 {
  display: flex; align-items: center; color: var(--zk-ink); background: var(--zk-green);
  font-family: var(--zk-mono); font-size: 11.5px; font-weight: 500; letter-spacing: 0.08em;
  border-radius: 999px; padding: 6px 11px; min-height: 34px; white-space: nowrap;
}
.zk-btn18:hover { color: var(--zk-ink); opacity: 0.9; }

/* ---------- Main ---------- */
.zk-main { padding-bottom: clamp(48px, 8vw, 96px); }

/* ---------- Hero ---------- */
.zk-hero {
  padding: clamp(38px, 6vw, 74px) 0 clamp(26px, 4vw, 40px);
  display: grid; gap: clamp(24px, 5vw, 64px); align-items: end;
}
.zk-kicker {
  font-family: var(--zk-mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--zk-muted); margin: 0 0 18px;
}
/* H1 carries the exact key on its own; the second serif line is the subtitle. */
.zk-h1, .zk-h1-sub {
  font-family: var(--zk-serif); font-weight: 400;
  font-size: clamp(38px, 6.4vw, 68px); line-height: 1.02; letter-spacing: -0.015em;
  text-wrap: pretty;
}
.zk-h1 { margin: 0; }
.zk-h1-sub { margin: 0 0 22px; }
.zk-hero-lead {
  font-size: clamp(16px, 1.9vw, 18.5px); line-height: 1.62; color: var(--zk-ink-2);
  margin: 0; max-width: 56ch; text-wrap: pretty;
}
.zk-summary { border-left: 3px solid var(--zk-purple-lt); padding: 4px 0 4px 22px; }
.zk-summary p:not(.zk-mono) { font-size: 15.5px; line-height: 1.6; color: var(--zk-ink-2); margin: 0 0 14px; }
.zk-summary p:last-child { margin-bottom: 0; }
.zk-summary .zk-mono { font-size: 12px; letter-spacing: 0.1em; margin: 0 0 10px; }

/* ---------- Top 3 ---------- */
.zk-top3 { display: grid; grid-template-columns: 1fr; gap: 18px; }
.zk-card {
  background: var(--zk-surface); border: 1px solid var(--zk-line);
  padding: 22px 22px 20px; display: flex; flex-direction: column; gap: 16px;
}
.zk-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.zk-rank {
  font-family: var(--zk-mono); font-size: 12px; letter-spacing: 0.1em;
  background: var(--zk-ink); color: var(--zk-on-dark); padding: 5px 9px;
}
.zk-rank--first { background: var(--zk-green); color: var(--zk-ink); }
.zk-card-badge {
  font-family: var(--zk-mono); font-size: 11.5px; letter-spacing: 0.08em;
  color: var(--zk-muted); text-transform: uppercase;
}
.zk-plate--card { height: 74px; padding: 14px; }
.zk-plate--card img { max-height: 44px; max-width: 100%; }
.zk-card h3 { font-family: var(--zk-serif); font-weight: 400; font-size: 25px; margin: 0 0 8px; }
.zk-card p { font-size: 15.5px; line-height: 1.55; color: var(--zk-ink-2); margin: 0; }
.zk-card strong { font-weight: 600; }
.zk-card .zk-btn { margin-top: auto; }

/* ---------- Table of contents ---------- */
.zk-toc { display: none; }
.zk-toc-mob {
  border-top: 2px solid var(--zk-ink); border-bottom: 1px solid var(--zk-line);
  padding: 16px 0; margin-bottom: 38px;
}
.zk-toc-mob summary {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  font-family: var(--zk-mono); font-size: 12.5px; font-weight: 500; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--zk-ink); min-height: var(--zk-tap);
}
.zk-toc-mob .zk-sign { font-size: 18px; }
.zk-toc-mob[open] .zk-sign::after { content: "\2212"; }
.zk-toc-mob .zk-sign::after { content: "+"; }
.zk-toc-mob ol { list-style: none; margin: 6px 0 8px; padding: 0; display: grid; gap: 2px; }
.zk-toc-mob a { display: block; padding: 11px 0; font-size: 16px; border-bottom: 1px solid var(--zk-line-soft); }
.zk-toc-mob li:last-child a { border-bottom: 0; }

/* ---------- Comparison ---------- */
.zk-table-wrap { display: none; }
.zk-table { width: 100%; font-size: 15.5px; }
.zk-table caption {
  text-align: left; font-family: var(--zk-mono); font-size: 11.5px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--zk-muted); padding-bottom: 12px;
}
.zk-table thead tr { border-bottom: 2px solid var(--zk-ink); }
.zk-table th[scope="col"] {
  text-align: left; padding: 0 12px 12px 0;
  font-family: var(--zk-mono); font-size: 11.5px; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--zk-muted);
}
.zk-table .zk-c-rank { width: 56px; }
.zk-table .zk-c-name { width: 210px; }
.zk-table .zk-c-fs { width: 104px; }
.zk-table .zk-c-cta { width: 150px; text-align: right; padding-right: 0; }
.zk-table tbody tr { border-bottom: 1px solid var(--zk-line); }
.zk-table tbody tr:last-child { border-bottom: 0; }
.zk-table td, .zk-table tbody th { padding: 18px 12px 18px 0; vertical-align: middle; }
.zk-table .zk-num { font-family: var(--zk-mono); font-size: 19px; }
.zk-table .zk-fs { font-family: var(--zk-mono); }
.zk-table .zk-strength { color: var(--zk-ink-2); }
.zk-table tbody th { text-align: left; }
.zk-table .zk-brandcell { display: flex; align-items: center; gap: 12px; }
.zk-table .zk-brandcell .zk-brandname { font-weight: 600; font-size: 16px; }
.zk-plate--row { width: 96px; height: 38px; padding: 6px; flex: none; }
.zk-plate--row img { max-height: 26px; max-width: 100%; }
.zk-table .zk-c-cta-cell { text-align: right; padding-right: 0; }

.zk-cardlist { display: grid; gap: 14px; }
.zk-cardlist article { border: 1px solid var(--zk-line); background: var(--zk-surface); padding: 16px; }
.zk-cl-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.zk-cl-head .zk-num { font-family: var(--zk-mono); font-size: 17px; }
.zk-plate--cl { height: 40px; flex: 1; padding: 8px; }
.zk-plate--cl img { max-height: 26px; max-width: 100%; }
.zk-cardlist h3 { font-family: var(--zk-serif); font-weight: 400; font-size: 23px; margin: 0 0 10px; }
.zk-dl {
  margin: 0 0 16px; display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; font-size: 15px;
}
.zk-dl dt {
  font-family: var(--zk-mono); font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--zk-muted); padding-top: 3px;
}
.zk-dl dd { margin: 0; }

/* ---------- Provider detail ---------- */
.zk-detail {
  display: grid; grid-template-columns: 1fr; gap: clamp(18px, 4vw, 40px);
  padding: 28px 0; border-top: 1px solid var(--zk-line);
}
.zk-detail:last-of-type { border-bottom: 1px solid var(--zk-line); }
.zk-plate--detail { height: 88px; padding: 16px; }
.zk-plate--detail img { max-height: 44px; max-width: 100%; }
.zk-detail h3 { font-family: var(--zk-serif); font-weight: 400; font-size: clamp(23px, 2.6vw, 30px); margin: 0 0 12px; }
.zk-detail p { font-size: 16px; line-height: 1.62; color: var(--zk-ink-2); margin: 0 0 14px; max-width: 68ch; }
.zk-detail p:last-of-type { margin-bottom: 18px; }

/* ---------- Methodology ---------- */
.zk-2col { display: grid; grid-template-columns: 1fr; gap: clamp(20px, 4vw, 48px); }
.zk-2col > div > p { font-size: 16px; line-height: 1.62; color: var(--zk-ink-2); margin: 0 0 14px; }
.zk-2col > div > p:last-child { margin-bottom: 0; }
.zk-criteria { list-style: none; margin: 0; padding: 0; display: grid; align-content: start; }
.zk-criteria li {
  display: grid; grid-template-columns: 44px 1fr; gap: 14px;
  padding: 14px 0; border-top: 1px solid var(--zk-line); font-size: 15.5px; line-height: 1.55;
}
.zk-criteria li:last-child { border-bottom: 1px solid var(--zk-line); }
.zk-criteria .zk-num { font-family: var(--zk-mono); font-size: 12px; color: var(--zk-muted); }
.zk-criteria strong { font-weight: 600; }

/* ---------- Klarna explainer ---------- */
.zk-klarna { display: grid; grid-template-columns: 1fr; gap: clamp(20px, 4vw, 48px); align-items: start; }
.zk-klarna-text p { font-size: 16.5px; line-height: 1.64; color: var(--zk-ink-2); margin: 0 0 16px; max-width: 68ch; }
.zk-klarna-text p:last-child { margin-bottom: 0; }
.zk-aside { background: var(--zk-ink); color: var(--zk-on-dark); padding: 26px 24px; }
.zk-aside .zk-mono { color: var(--zk-green); margin: 0 0 18px; }
.zk-aside dl { margin: 0; display: grid; }
.zk-aside dt {
  font-size: 14px; color: var(--zk-on-dark-60);
  padding-top: 14px; border-top: 1px solid var(--zk-on-dark-line);
}
.zk-aside div + div dt { margin-top: 14px; }
.zk-aside dd { margin: 4px 0 0; font-size: 16px; }

/* ---------- Steps ---------- */
.zk-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr; gap: 18px; }
.zk-steps li { border-top: 3px solid var(--zk-purple-lt); padding: 18px 0 0; }
.zk-steps .zk-num { font-family: var(--zk-mono); font-size: 38px; line-height: 1; display: block; margin-bottom: 14px; }
.zk-steps h3 { font-size: 18px; font-weight: 600; margin: 0 0 8px; }
.zk-steps p { font-size: 15.5px; line-height: 1.58; color: var(--zk-ink-2); margin: 0; }

/* ---------- Payment methods ---------- */
.zk-pay-wrap { display: none; }
.zk-pay { width: 100%; font-size: 15.5px; }
.zk-pay thead tr { border-bottom: 2px solid var(--zk-ink); }
.zk-pay th[scope="col"] {
  text-align: left; padding: 0 12px 12px 0;
  font-family: var(--zk-mono); font-size: 11.5px; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--zk-muted);
}
.zk-pay tbody tr { border-bottom: 1px solid var(--zk-line); }
.zk-pay tbody tr:last-child { border-bottom: 0; }
.zk-pay tbody th { text-align: left; padding: 16px 12px 16px 0; font-weight: 600; }
.zk-pay td { padding: 16px 12px 16px 0; }
.zk-pay .zk-note { color: var(--zk-ink-2); padding-right: 0; }

.zk-pay-cards { display: grid; gap: 12px; }
.zk-pay-cards > div { border: 1px solid var(--zk-line); background: var(--zk-surface); padding: 16px; }
.zk-pay-cards h3 { font-size: 17px; font-weight: 600; margin: 0 0 10px; }
.zk-pay-cards dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 15px; }
.zk-pay-cards dt { color: var(--zk-muted); }
.zk-pay-cards dd { margin: 0; }

/* ---------- FAQ ---------- */
.zk-faq { border-top: 2px solid var(--zk-ink); }
.zk-faq details { border-bottom: 1px solid var(--zk-line); }
.zk-faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 18px 0; font-size: 17.5px; font-weight: 500; min-height: 48px;
}
.zk-faq .zk-sign { font-family: var(--zk-mono); font-size: 20px; color: var(--zk-muted); flex: none; }
.zk-faq .zk-sign::after { content: "+"; }
.zk-faq details[open] .zk-sign::after { content: "\2212"; }
.zk-faq p { font-size: 16px; line-height: 1.62; color: var(--zk-ink-2); margin: 0 0 20px; max-width: 72ch; }

/* ---------- Author box ---------- */
.zk-author {
  background: var(--zk-surface); border: 1px solid var(--zk-line);
  padding: clamp(22px, 4vw, 34px); display: grid; grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 32px);
}
.zk-avatar {
  width: 104px; height: 104px; background: var(--zk-ink); color: var(--zk-on-dark);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--zk-serif); font-size: 38px;
}
.zk-author .zk-mono { margin: 0 0 10px; }
.zk-author-name { font-family: var(--zk-serif); font-size: 26px; margin: 0 0 10px; }
.zk-author p:not(.zk-mono):not(.zk-author-name) { font-size: 15.5px; line-height: 1.6; color: var(--zk-ink-2); margin: 0 0 12px; max-width: 70ch; }
.zk-author-date { font-family: var(--zk-mono); font-size: 12.5px; color: var(--zk-muted); margin: 0 !important; }

.zk-disclaimer { font-size: 13.5px; line-height: 1.6; color: var(--zk-muted); margin: 0; max-width: 80ch; }

/* ---------- Footer ---------- */
.zk-footer {
  background: var(--zk-ink); color: var(--zk-on-dark);
  /* extra bottom room so the mobile sticky bar never covers the imprint links */
  padding: clamp(38px, 6vw, 60px) var(--zk-gut) 110px;
}
.zk-footer-in { max-width: var(--zk-max); margin: 0 auto; }
.zk-footer-top {
  display: flex; flex-direction: column; align-items: flex-start; gap: 32px;
  padding-bottom: 30px; border-bottom: 1px solid var(--zk-on-dark-line);
}
.zk-footer-brand { max-width: 34ch; }
.zk-footer-brand .zk-brand { margin-bottom: 14px; min-height: 0; }
.zk-footer-brand .zk-dot { width: 22px; height: 22px; }
.zk-footer-brand .zk-brand-name { font-size: 21px; }
.zk-footer-brand p { font-size: 14.5px; line-height: 1.6; color: var(--zk-on-dark-70); margin: 0; }
.zk-footer-nav { display: grid; gap: 10px; }
.zk-footer-nav .zk-footer-nav-t {
  font-family: var(--zk-mono); font-size: 11.5px; font-weight: 400; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--zk-on-dark-55); margin: 0;
}
/* full-height rows on touch, tighter list on desktop */
.zk-footer-nav a {
  color: var(--zk-on-dark); font-size: 15px;
  display: flex; align-items: center; min-height: var(--zk-tap);
}
.zk-footer-nav a:hover { color: var(--zk-green); }
.zk-footer-bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  flex-wrap: wrap; padding-top: 22px;
}
.zk-footer-bottom p { font-size: 13.5px; color: var(--zk-on-dark-60); margin: 0; }
.zk-footer-badge {
  font-family: var(--zk-mono); font-size: 12px; letter-spacing: 0.1em;
  border: 1px solid var(--zk-on-dark-border); border-radius: 999px; padding: 6px 12px;
}

/* ---------- Sticky CTA (mobile only) ---------- */
.zk-sticky {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
  background: var(--zk-ink); color: var(--zk-on-dark);
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  display: flex; align-items: center; gap: 12px;
  border-top: 1px solid var(--zk-on-dark-line);
  transition: transform 0.2s ease;
}
.zk-sticky.is-hidden { transform: translateY(120%); }
.zk-sticky-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; flex: 1; }
.zk-sticky-label {
  font-family: var(--zk-mono); font-size: 10.5px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--zk-green);
}
.zk-sticky-offer { font-size: 14.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.zk-sticky .zk-btn {
  background: var(--zk-green); color: var(--zk-ink);
  padding: 12px 18px; font-size: 14.5px; font-weight: 600; flex: none;
}
.zk-sticky .zk-btn:hover { color: var(--zk-ink); }

/* ---------- Content pages ---------- */
.zk-page-head { padding: clamp(34px, 6vw, 62px) 0 clamp(18px, 3vw, 28px); }
.zk-page-head h1 {
  font-family: var(--zk-serif); font-weight: 400;
  font-size: clamp(32px, 5.4vw, 54px); line-height: 1.04; letter-spacing: -0.015em; margin: 0 0 16px;
}
.zk-page-head p { font-size: 16.5px; line-height: 1.62; color: var(--zk-ink-2); margin: 0; max-width: 62ch; }
.zk-prose { max-width: 74ch; padding-bottom: var(--zk-sec); }
.zk-prose h2 {
  font-family: var(--zk-serif); font-weight: 400; font-size: clamp(22px, 3vw, 29px);
  line-height: 1.15; margin: 36px 0 12px; letter-spacing: -0.01em;
  padding-top: 18px; border-top: 1px solid var(--zk-line);
}
.zk-prose h2:first-child { margin-top: 0; border-top: 2px solid var(--zk-ink); }
.zk-prose p { font-size: 16px; line-height: 1.68; color: var(--zk-ink-2); margin: 0 0 14px; }
.zk-prose ul { margin: 0 0 14px; padding-left: 20px; display: grid; gap: 8px; }
.zk-prose li { font-size: 16px; line-height: 1.62; color: var(--zk-ink-2); }
.zk-prose dl {
  margin: 0 0 16px; display: grid; grid-template-columns: 1fr; gap: 4px 18px;
  border-top: 1px solid var(--zk-line);
}
.zk-prose dt { font-weight: 600; font-size: 15.5px; padding-top: 12px; }
.zk-prose dd { margin: 0 0 12px; font-size: 15.5px; line-height: 1.6; color: var(--zk-ink-2); }
.zk-prose a { text-decoration: underline; text-underline-offset: 2px; }
.zk-callout {
  background: var(--zk-ink); color: var(--zk-on-dark); padding: 22px 24px; margin: 0 0 22px;
}
.zk-callout p { color: var(--zk-on-dark); margin: 0 0 10px; font-size: 16px; line-height: 1.6; }
.zk-callout p:last-child { margin-bottom: 0; }
.zk-callout .zk-mono { color: var(--zk-green); margin: 0 0 12px; }
.zk-callout a { color: var(--zk-green); }

/* ---------- Redirect stub (/go/) ---------- */
.zk-go { padding: clamp(60px, 12vw, 130px) 0; max-width: 60ch; }
.zk-go h1 { font-family: var(--zk-serif); font-weight: 400; font-size: clamp(30px, 5vw, 44px); margin: 0 0 16px; }
.zk-go p { font-size: 16px; line-height: 1.62; color: var(--zk-ink-2); margin: 0 0 22px; }

/* ---------- 404 ---------- */
.zk-404 { padding: clamp(50px, 10vw, 120px) 0; max-width: 58ch; }
.zk-404 .zk-code { font-family: var(--zk-mono); font-size: clamp(52px, 12vw, 96px); line-height: 1; margin: 0 0 10px; color: var(--zk-purple); }
.zk-404 h1 { font-family: var(--zk-serif); font-weight: 400; font-size: clamp(30px, 5vw, 44px); margin: 0 0 14px; }
.zk-404 p { font-size: 16.5px; line-height: 1.62; color: var(--zk-ink-2); margin: 0 0 24px; }

/* ==========================================================================
   Desktop — from 901px
   ========================================================================== */
@media (min-width: 901px) {
  .zk-nav { display: flex; }
  .zk-chip--desk { display: inline-block; }

  .zk-hero { grid-template-columns: 1.35fr 1fr; }
  .zk-top3 { grid-template-columns: repeat(3, 1fr); }

  .zk-toc {
    display: block;
    border-top: 2px solid var(--zk-ink); border-bottom: 1px solid var(--zk-line);
    padding: 22px 0 24px; margin-bottom: var(--zk-sec);
  }
  .zk-toc h2 {
    font-family: var(--zk-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.16em;
    text-transform: uppercase; color: var(--zk-muted); margin: 0 0 16px;
  }
  .zk-toc ol {
    list-style: none; margin: 0; padding: 0;
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 32px;
  }
  .zk-toc a { font-size: 15.5px; border-bottom: 1px solid var(--zk-line-mid); padding-bottom: 2px; }
  .zk-toc-mob { display: none; }

  .zk-table-wrap, .zk-pay-wrap { display: block; }
  .zk-cardlist, .zk-pay-cards { display: none; }

  .zk-detail { grid-template-columns: 180px 1fr; }
  .zk-2col, .zk-klarna { grid-template-columns: 1fr 1fr; }
  .zk-klarna { grid-template-columns: 1.3fr 1fr; }
  .zk-steps { grid-template-columns: repeat(3, 1fr); }
  .zk-author { grid-template-columns: 104px 1fr; }

  .zk-footer-top { flex-direction: row; align-items: flex-start; justify-content: space-between; }
  .zk-footer-nav a { min-height: 0; padding: 2px 0; }

  .zk-sticky { display: none; }
  .zk-footer { padding-bottom: 48px; }

  .zk-prose dl { grid-template-columns: minmax(150px, auto) 1fr; }
  .zk-prose dt { padding-top: 12px; }
  .zk-prose dd { padding-top: 12px; margin-bottom: 0; }
}