/* Satoshi (Fontshare, ITF Free Font License), self-hosted so no third-party CSS blocks first paint */
@font-face { font-family: 'Satoshi'; src: url('/fonts/satoshi-500.woff2') format('woff2'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'Satoshi'; src: url('/fonts/satoshi-700.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'Satoshi'; src: url('/fonts/satoshi-900.woff2') format('woff2'); font-weight: 900; font-style: normal; font-display: swap; }
/* Content pages (guides, comparisons, use cases, blog). Same tokens as styles.css. */
:root {
  --ink: #15101a; --ink-2: #4a4352; --mute: #7d7687; --line: #efe6ee;
  --pink: #ff00ee; --pink-deep: #b8009f; --pink-soft: #ffd9fb; --pink-wash: #fff0fd;
  --soft: #fbf6fa; --sand: #f5eff4; --ok: #0e8f5d; --no: #e5484d;
  --mono: ui-monospace, "JetBrains Mono", Consolas, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: #fff; color: var(--ink); font: 500 17px/1.7 "Satoshi", system-ui, -apple-system, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--pink-deep); }
::selection { background: var(--pink-soft); }
:focus-visible { outline: 3px solid var(--pink); outline-offset: 3px; border-radius: 6px; }
.wrap { width: min(100% - 32px, 1040px); margin-inline: auto; }
.doc { width: min(100% - 32px, 760px); padding: 28px 0 72px; }

/* header */
.top { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.9); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.top .row { display: flex; align-items: center; justify-content: space-between; height: 62px; gap: 12px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: -.03em; font-size: 18px; color: var(--ink); text-decoration: none; white-space: nowrap; }
.top nav { display: flex; align-items: center; gap: 20px; font-size: 15px; }
.top nav a { color: var(--ink-2); text-decoration: none; }
.top nav a:hover { color: var(--pink-deep); }
.btn { display: inline-block; background: var(--ink); color: #fff !important; font-weight: 700; padding: 9px 16px; border-radius: 999px; text-decoration: none; white-space: nowrap; }
.btn:hover { background: var(--pink-deep); }
.btn.big { padding: 14px 24px; font-size: 17px; background: var(--pink); }
.btn.big:hover { background: var(--pink-deep); }
.ghost { color: var(--ink); font-weight: 700; margin-left: 14px; }
@media (max-width: 640px) { .top nav a:not(.btn) { display: none; } }

/* headings + text */
.crumbs { font-size: 13.5px; color: var(--mute); margin-bottom: 18px; }
.crumbs a { color: var(--mute); text-decoration: none; }
.eyebrow { font: 700 12px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--pink-deep); margin: 0 0 12px; }
h1 { font-size: clamp(34px, 6vw, 52px); line-height: 1.04; letter-spacing: -.035em; font-weight: 900; margin: 0 0 14px; }
.lede { font-size: clamp(18px, 2.2vw, 21px); color: var(--ink-2); margin: 0 0 14px; }
.byline { color: var(--mute); font-size: 14px; margin: 0 0 28px; }
.byline a { color: var(--ink-2); }
.prose h2 { font-size: clamp(24px, 3.4vw, 31px); line-height: 1.15; letter-spacing: -.03em; font-weight: 900; margin: 46px 0 12px; }
.prose h3 { font-size: 20px; letter-spacing: -.02em; line-height: 1.25; margin: 30px 0 8px; }
.prose p, .prose li { color: var(--ink-2); }
.prose strong { color: var(--ink); }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 6px; }
.prose blockquote { margin: 22px 0; padding: 4px 20px; border-left: 4px solid var(--pink); background: var(--pink-wash); border-radius: 0 14px 14px 0; }
.prose code { font: 14px var(--mono); background: var(--sand); padding: 1px 6px; border-radius: 6px; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 36px 0; }

/* answer box: the 40–60 word direct answer under the H1 */
.answer { background: var(--soft); border: 1px solid var(--line); border-radius: 18px; padding: 18px 20px; margin: 8px 0 26px; }
.answer p { margin: 0; color: var(--ink); }
.answer b:first-child { display: block; font: 700 12px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--pink-deep); margin-bottom: 8px; }

/* tables scroll inside themselves on phones */
.prose table { width: 100%; border-collapse: collapse; margin: 18px 0 26px; font-size: 15px; }
@media (max-width: 700px) { .prose table { display: block; overflow-x: auto; } }
.prose th, .prose td { border-bottom: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; min-width: 120px; }
.prose th { background: var(--sand); color: var(--ink); font-weight: 700; }
.prose td:first-child { color: var(--ink); font-weight: 700; }
.yes { color: var(--ok); font-weight: 700; }
.no { color: var(--no); font-weight: 700; }

/* calculator / callouts */
.box { background: var(--sand); border-radius: 18px; padding: 20px; margin: 22px 0; }
.box label { display: block; font-weight: 700; color: var(--ink); margin: 10px 0 4px; font-size: 15px; }
.box input, .box select { width: 100%; font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.box output { display: block; margin-top: 14px; font-size: 18px; color: var(--ink); }

/* FAQ */
.faq { margin-top: 48px; }
.faq h2 { font-size: clamp(24px, 3.4vw, 31px); letter-spacing: -.03em; font-weight: 900; margin: 0 0 10px; }
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 700; color: var(--ink); list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--pink-deep); font-weight: 900; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--ink-2); margin: 10px 0 0; }

/* CTA */
.cta { margin: 52px 0 10px; background: linear-gradient(160deg, var(--pink-wash), #fff 70%); border: 1px solid var(--pink-soft); border-radius: 26px; padding: 28px 26px; }
.cta h2 { font-size: clamp(24px, 3.6vw, 32px); line-height: 1.1; letter-spacing: -.03em; font-weight: 900; margin: 0 0 10px; }
.cta p { color: var(--ink-2); }
.cta .fine { font-size: 13.5px; color: var(--mute); margin-bottom: 0; }

/* related + hubs */
.related { margin-top: 44px; }
.related h2 { font-size: 22px; letter-spacing: -.02em; margin: 0 0 10px; }
.related ul { list-style: none; padding: 0; margin: 0; }
.related li { border-bottom: 1px solid var(--line); padding: 12px 0; }
.related li a { font-weight: 700; text-decoration: none; color: var(--ink); }
.related li span { display: block; color: var(--mute); font-size: 14.5px; }
.hub h2 { margin-top: 34px; }
.cards { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 12px; }
.cards a { display: block; padding: 16px 18px; border: 1px solid var(--line); border-radius: 18px; text-decoration: none; transition: border-color .2s, box-shadow .2s; }
.cards a:hover { border-color: var(--pink-soft); box-shadow: 0 10px 30px -18px rgba(120, 0, 110, .35); }
.cards b { display: block; color: var(--ink); font-size: 18px; letter-spacing: -.01em; line-height: 1.3; }
.cards span { display: block; color: var(--ink-2); font-size: 15px; margin-top: 4px; }
.cards time { display: block; color: var(--mute); font-size: 13px; margin-top: 6px; }
.k-hub .byline { display: none; }

/* footer */
.foot { border-top: 1px solid var(--line); background: var(--soft); padding: 40px 0 44px; font-size: 14.5px; color: var(--mute); }
.foot .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 26px; }
.foot b { color: var(--ink); display: block; margin-bottom: 8px; }
.foot .cols a { display: block; color: var(--ink-2); text-decoration: none; padding: 3px 0; }
.foot .cols a:hover { color: var(--pink-deep); }
.foot .legal { margin: 30px 0 0; font-size: 13px; }
.foot .legal a { color: var(--ink-2); }
@media (max-width: 760px) { .foot .cols { grid-template-columns: 1fr 1fr; } .foot .cols > div:first-child { grid-column: 1 / -1; } }