/* OKtoBuy. Tokens follow the OK family (OKtoRun): ink, ground, green, mint. */
:root {
  --ink: #0E1B14; --ink-2: #1B2C22; --ground: #F6F7F4; --paper: #FFFFFF;
  --line: #DDE3DC; --line-2: #B9C3BB; --muted: #46524A; --muted-dark: #CBD5CD;
  --green: #0F7A45; --green-dark: #0A5A33; --link: #0F7A45; --mint: #7FD3A5; --mint-bg: #E2F0E7;
  --amber: #C98A12; --amber-bg: #FFF6E3; --red: #A12A1F; --red-bg: #FBEAE7;
  --band: #0E1B14; --band-text: #FFFFFF; --box-dark: #0E1B14;
  --display: 'Schibsted Grotesk', Arial, sans-serif; --body: 'Instrument Sans', Arial, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #E7EEE9; --ink-2: #CFD9D2; --ground: #0D1511; --paper: #141F19;
    --line: #26352C; --line-2: #3A4C41; --muted: #A7B5AC; --muted-dark: #A7B5AC;
    --green: #0F7A45; --green-dark: #0C6538; --link: #6FCF9A; --mint-bg: #15301F;
    --amber: #E3B04B; --amber-bg: #2E2614; --red: #F08A7D; --red-bg: #33191A;
    --band: #07100B; --band-text: #F1F5F2; --box-dark: #22352A;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ground); color: var(--ink); font-family: var(--body); font-size: 17px; line-height: 1.6; overflow-x: hidden; }
a { color: var(--link); text-underline-offset: 2px; }
a:hover { color: var(--green-dark); }
h1, h2, h3 { margin: 0; line-height: 1.15; font-family: var(--display); }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--mint); outline-offset: 2px; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.display { font-family: var(--display); font-weight: 800; letter-spacing: -1px; }
.eyebrow { font-size: 14px; font-weight: 700; color: var(--link); letter-spacing: .3px; text-transform: uppercase; }
.muted { color: var(--muted); } .small { font-size: 14px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; left: -999px; } .skip:focus { left: 12px; top: 12px; background: var(--paper); padding: 8px 12px; z-index: 9; }

/* logo */
.logo { display: inline-flex; align-items: center; text-decoration: none; font-family: var(--display); font-weight: 800; font-size: 24px; color: var(--ink); letter-spacing: -.5px; }
.logo span { background: var(--green); color: #fff; border-radius: 8px; padding: 1px 7px; margin-right: 3px; }
.logo.on-dark { color: #fff; } .logo.on-dark span { background: var(--mint); color: #0E1B14; }

/* nav */
.nav { background: var(--paper); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; padding-top: 12px; padding-bottom: 12px; }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 20px; }
.nav-links a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 16px; }
.nav-links a:not(.btn):hover { color: var(--link); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 11px 20px; border-radius: 10px; border: none; font: 700 16px var(--body); text-decoration: none; cursor: pointer; background: var(--green); color: #fff; }
.btn:hover { background: var(--green-dark); color: #fff; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line-2); }
.btn.ghost:hover { background: var(--ground); color: var(--ink); }
.btn.mint { background: var(--mint); color: #0E1B14; }
.btn.sm { min-height: 38px; padding: 7px 14px; font-size: 15px; }

/* home */
.hero { padding: 64px 0 40px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(40px, 6vw, 66px); line-height: 1.02; letter-spacing: -1.8px; font-weight: 800; }
.hero .sub { font-size: 20px; color: var(--muted); margin-top: 18px; max-width: 620px; }
.hero .ctas { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hero .fine { margin-top: 14px; font-size: 14px; color: var(--muted); }
.section { padding: 56px 0; }
.section h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -.8px; }
.section .intro { color: var(--muted); font-size: 18px; margin-top: 10px; max-width: 760px; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-top: 26px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 22px; display: flex; flex-direction: column; gap: 8px; }
.card h3 { font-size: 20px; }
.card p { color: var(--muted); }
.band { background: var(--band); color: var(--band-text); border-radius: 22px; padding: 40px; }
.band h2 { color: var(--band-text); }
.band .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; margin-top: 22px; }
.band .cols h3 { color: var(--mint); font-size: 19px; margin-bottom: 6px; }
.band .cols p { color: var(--muted-dark); }
.steps-h { counter-reset: s; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 26px; list-style: none; padding: 0; }
.steps-h li { counter-increment: s; background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.steps-h li::before { content: counter(s); display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--green); color: #fff; font-weight: 800; margin-bottom: 10px; }
.steps-h b { display: block; font-family: var(--display); font-size: 18px; margin-bottom: 4px; }
.steps-h span { color: var(--muted); }
.who { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 26px; }
.readout { background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 18px; box-shadow: 0 12px 40px rgba(14,27,20,.08); }

/* forms */
.form { background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 26px; display: grid; gap: 14px; }
.form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: 15px; }
.form input, .form select, .form textarea { font: inherit; font-size: 16px; padding: 11px 12px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--ground); color: var(--ink); width: 100%; }
.form textarea { min-height: 96px; }
.form fieldset { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; display: flex; flex-wrap: wrap; gap: 8px 18px; }
.form fieldset legend { font-weight: 600; font-size: 15px; padding: 0 4px; }
.form fieldset label { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; }
.form fieldset input { width: auto; }
.hp { display: none; }

/* article */
.article { max-width: 800px; padding-top: 36px; padding-bottom: 72px; display: flex; flex-direction: column; gap: 18px; }
.article h1 { font-size: clamp(32px, 5vw, 50px); line-height: 1.06; letter-spacing: -1.3px; font-weight: 800; }
.article h2 { font-size: 27px; font-weight: 800; letter-spacing: -.4px; margin-top: 22px; }
.article h3 { font-size: 20px; font-weight: 700; margin-top: 8px; }
.article ul, .article ol { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 7px; }
.breadcrumbs { color: var(--muted); font-size: 14px; }
.breadcrumbs a { color: inherit; }
.byline { color: var(--muted); font-size: 14px; margin-top: -6px; }
.byline a { color: inherit; font-weight: 600; }
.answer { background: var(--mint-bg); border-left: 4px solid var(--green); border-radius: 12px; padding: 18px 22px; display: flex; flex-direction: column; gap: 8px; font-size: 18px; }
.callout { background: var(--amber-bg); border-left: 4px solid var(--amber); border-radius: 12px; padding: 16px 20px; display: flex; flex-direction: column; gap: 6px; }
.callout.red { background: var(--red-bg); border-left-color: var(--red); }
.callout.green { background: var(--mint-bg); border-left-color: var(--green); }
.tbl-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 12px; border: 1px solid var(--line); }
.tbl { width: 100%; border-collapse: collapse; background: var(--paper); font-size: 15px; }
.tbl th, .tbl td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl th { background: var(--ground); font-size: 14px; }
.tbl td.num, .tbl th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tbl tr.total td { font-weight: 700; border-top: 2px solid var(--line-2); }
.r-solid, .r-shaky, .r-unsupported { display: inline-block; font-size: 12px; font-weight: 700; border-radius: 999px; padding: 2px 9px; white-space: nowrap; }
.r-solid { background: var(--mint-bg); color: var(--link); border: 1px solid var(--green); }
.r-shaky { background: var(--amber-bg); color: var(--ink); border: 1px solid var(--amber); }
.r-unsupported { background: var(--red-bg); color: var(--red); border: 1px solid var(--red); }
ul.checklist { list-style: none; padding-left: 0; }
ul.checklist li { padding-left: 30px; position: relative; }
ul.checklist li::before { content: ""; position: absolute; left: 0; top: 4px; width: 16px; height: 16px; border: 2px solid var(--green); border-radius: 4px; }
.steps { list-style: none; padding: 0 !important; counter-reset: s; gap: 12px !important; }
.steps > li { counter-increment: s; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px 14px 58px; position: relative; }
.steps > li::before { content: counter(s); position: absolute; left: 16px; top: 13px; width: 28px; height: 28px; border-radius: 50%; background: var(--green); color: #fff; font-weight: 700; display: grid; place-items: center; font-size: 14px; }
.compare { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; }
.compare > div { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.compare > div.ok { border-top: 5px solid var(--green); } .compare > div.warn { border-top: 5px solid var(--amber); } .compare > div.bad { border-top: 5px solid var(--red); }
.example { background: var(--paper); border: 1px dashed var(--line-2); border-radius: 12px; padding: 16px 20px; display: flex; flex-direction: column; gap: 8px; }
.example .tag { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }
.template { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 20px; font-size: 15px; display: flex; flex-direction: column; gap: 10px; }
.template .blank { background: var(--amber-bg); padding: 0 4px; border-radius: 4px; font-weight: 600; }
.faq { display: flex; flex-direction: column; gap: 8px; }
.faq details { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; }
.faq summary { font-weight: 700; cursor: pointer; }
.faq details p { margin-top: 8px; color: var(--muted); }
.sources { font-size: 15px; }
.related { list-style: none; padding: 0 !important; display: grid !important; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px !important; }
.related a { display: block; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; font-weight: 600; text-decoration: none; color: var(--ink); height: 100%; }
.related a:hover { border-color: var(--green); }
.cta { background: var(--band); color: var(--band-text); border-radius: 18px; padding: 28px; display: flex; flex-direction: column; gap: 12px; margin-top: 18px; }
.cta h2 { font-size: 26px; margin: 0; color: var(--band-text); }
.cta p { color: var(--muted-dark); }
.cta .row { display: flex; flex-wrap: wrap; gap: 10px; }
.disclaimer { border-top: 1px solid var(--line); padding-top: 14px; font-size: 14px; color: var(--muted); }

/* figures: inline SVG diagrams that follow the theme */
.fig { margin: 6px 0; background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.fig svg { width: 100%; height: auto; display: block; }
.fig figcaption { font-size: 14px; color: var(--muted); }
.sv-bg { fill: var(--paper); }
.sv-box { fill: var(--ground); stroke: var(--line-2); stroke-width: 1.5; }
.sv-dark { fill: var(--box-dark); }
.sv-green { fill: #0F7A45; }
.sv-mint { fill: var(--mint-bg); stroke: #0F7A45; stroke-width: 1.5; }
.sv-amber { fill: var(--amber-bg); stroke: var(--amber); stroke-width: 1.5; }
.sv-red { fill: var(--red-bg); stroke: var(--red); stroke-width: 1.5; }
.sv-line { stroke: var(--muted); stroke-width: 2; fill: none; }
.sv-dash { stroke: var(--line-2); stroke-width: 1.5; fill: none; stroke-dasharray: 5 5; }
.sv-arrow { fill: var(--muted); }
.sv-bar { fill: #0F7A45; } .sv-bar2 { fill: var(--mint); } .sv-bar3 { fill: var(--amber); } .sv-bar4 { fill: var(--red); }
.sv-t { fill: var(--ink); font-family: var(--body); }
.sv-tm { fill: var(--muted); font-family: var(--body); }
.sv-ti { fill: #FFFFFF; font-family: var(--body); }
.sv-tr { fill: var(--red); font-family: var(--body); }
.sv-tg { fill: var(--link); font-family: var(--body); }

/* guides index */
.gsearch input { width: 100%; font: inherit; font-size: 17px; padding: 13px 16px; border: 2px solid var(--ink); border-radius: 12px; background: var(--paper); color: var(--ink); }
.gnav { display: flex; flex-wrap: wrap; gap: 8px; }
.gnav a { background: var(--paper); border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; font-weight: 600; font-size: 14px; text-decoration: none; color: var(--ink); }
.gsec { margin-top: 26px; scroll-margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.gsec h2 { font-size: 26px; }
.gsec h2 span { font-size: 15px; color: var(--muted); font-weight: 600; margin-left: 6px; }
.glist { list-style: none; padding: 0 !important; display: grid !important; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 10px !important; }
.glist a { display: block; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; text-decoration: none; color: var(--ink); font-weight: 600; height: 100%; }
.glist a small { display: block; color: var(--muted); font-weight: 400; margin-top: 4px; font-size: 14px; }
.glist a:hover { border-color: var(--green); }
.glist li[hidden], .gsec[hidden] { display: none !important; }
.wide { max-width: 1080px; }

/* calculators */
.calc { background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 22px; display: grid; gap: 14px; }
.calc .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.calc label { display: grid; gap: 5px; font-weight: 600; font-size: 15px; }
.calc label small { font-weight: 400; color: var(--muted); }
.calc input, .calc select { font: inherit; font-size: 16px; padding: 10px 12px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--ground); color: var(--ink); width: 100%; }
.ab-row { display: grid; grid-template-columns: 2fr 1fr 1fr auto; gap: 8px; align-items: end; }
.out { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.out div { background: var(--ground); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.out b { display: block; font-family: var(--display); font-size: 26px; font-variant-numeric: tabular-nums; }
.out span { font-size: 14px; color: var(--muted); }
.out div.good { border-color: var(--green); } .out div.bad { border-color: var(--red); }

/* footer */
.foot { background: var(--band); color: var(--muted-dark); margin-top: 40px; padding: 40px 0; font-size: 15px; }
.foot .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 24px; }
.foot a { color: var(--band-text); text-decoration: none; display: block; margin: 4px 0; }
.foot a:hover { text-decoration: underline; color: var(--band-text); }
.foot .legal { border-top: 1px solid rgba(255,255,255,.14); margin-top: 26px; padding-top: 16px; font-size: 14px; }

@media (max-width: 860px) { .hero { grid-template-columns: 1fr; padding-top: 36px; } .foot .cols { grid-template-columns: 1fr; } }
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .nav-links { gap: 4px 14px; } .nav-links a:not(.btn) { font-size: 15px; }
  .band { padding: 26px 20px; } .form { padding: 18px; } .form .row2 { grid-template-columns: 1fr; }
  .steps > li { padding-left: 52px; }
  .fig { padding: 12px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .fig svg.wide-svg { min-width: 560px; }
  .fig:has(svg.wide-svg)::before { content: "Swipe to see the whole diagram \2192"; position: sticky; left: 0; font-size: 12px; color: var(--muted); }
  .ab-row { grid-template-columns: 1fr 1fr; } .ab-row .ab-name { grid-column: 1 / -1; }
  .tbl { font-size: 14px; }
}
@media print { .nav, .foot, .cta, .gsearch { display: none; } body { background: #fff; } }
main.wrap > #faq { margin: 10px 0 14px; font-size: clamp(28px, 4vw, 40px); font-weight: 800; }
main.wrap > .faq { max-width: 820px; margin-bottom: 48px; }
.prose { max-width: 760px; }
.prose h2 { margin-top: 26px; }
/* founder + author box (Oct 25, 2026) */
.founder { scroll-margin-top: 16px; background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 22px; display: flex; flex-direction: column; gap: 12px; margin-top: 22px; }
.founder .eyebrow { margin: 0; }
.founder-head { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.founder-head img { width: 120px; height: 120px; border-radius: 50%; display: block; flex: none; }
.article .founder-head h2 { margin: 0; flex: 1 1 180px; min-width: 0; }
.author-box { display: flex; gap: 14px; align-items: flex-start; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; margin-top: 22px; }
.author-box img { width: 56px; height: 56px; border-radius: 50%; display: block; flex: none; }
.author-box > div { min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.author-box p { margin: 0; }
.author-box .ab-name { font-weight: 700; color: var(--ink); }
.author-box .ab-line { color: var(--muted); font-size: 15px; }
.author-box a { font-weight: 600; font-size: 15px; }