/* tadrik.com shared styles: tokens, type, buttons, header, footer, sections.
   Every page links this first; page-only rules stay inline in the page.
   Design rules: .impeccable.md. Header and footer markup: tools/site/chrome.py. */
@font-face{font-family:"Archivo";src:url(/fonts/archivo-var.woff2) format("woff2");font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(/fonts/plexmono-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(/fonts/plexmono-500.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  color-scheme:light dark;
  --paper:oklch(97.4% .009 85);
  --paper-2:oklch(94.8% .013 85);
  --sheet:oklch(99.2% .005 85);
  --ink:oklch(23% .028 262);
  --ink-2:oklch(41% .024 262);
  --ink-3:oklch(55% .018 262);
  --rule:oklch(85.5% .014 85);
  --rule-2:oklch(91% .011 85);
  --carbon:oklch(43% .145 264);
  --carbon-hi:oklch(36% .14 264);
  --on-carbon:oklch(97.5% .01 264);
  --carbon-soft:oklch(93.5% .03 264);
  --amber:oklch(79% .155 72);
  --amber-soft:oklch(92.5% .075 86);
  --amber-ink:oklch(42% .09 62);
  --ok:oklch(52% .115 152);
  --shadow:oklch(32% .03 262 / .16);
  --display:"Archivo",ui-sans-serif,system-ui,sans-serif;
  --mono:"Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
  --gutter:clamp(16px,4vw,44px);
}
@media (prefers-color-scheme:dark){:root{
  --paper:oklch(19.5% .02 262);
  --paper-2:oklch(22.5% .022 262);
  --sheet:oklch(25% .022 262);
  --ink:oklch(94% .012 85);
  --ink-2:oklch(80% .014 85);
  --ink-3:oklch(66% .014 85);
  --rule:oklch(35% .024 262);
  --rule-2:oklch(29% .022 262);
  --carbon:oklch(74% .115 262);
  --carbon-hi:oklch(80% .1 262);
  --on-carbon:oklch(19% .03 262);
  --carbon-soft:oklch(30% .05 262);
  --amber:oklch(80% .14 75);
  --amber-soft:oklch(36% .065 70);
  --amber-ink:oklch(89% .09 82);
  --ok:oklch(76% .12 152);
  --shadow:oklch(5% .02 262 / .5);
}}

/* base */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.6 var(--display);font-stretch:100%;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
a{color:inherit}
img,svg{display:block}
.wrap{max-width:1200px;margin-inline:auto;padding-inline:var(--gutter)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--carbon);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--carbon);color:var(--on-carbon);padding:.6em 1em;z-index:10}
.skip:focus{left:8px;top:8px}

/* type */
.label{font:650 .72rem/1.2 var(--display);font-stretch:125%;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);margin:0}
.label b{color:var(--carbon);font-weight:750}
h1,h2,h3{font-family:var(--display);color:var(--ink);margin:0;text-wrap:balance}
h1{font-size:clamp(2.5rem,1.3rem + 3.9vw,4.4rem);line-height:.96;font-weight:780;font-stretch:112%;letter-spacing:-.03em}
h2{font-size:clamp(1.85rem,1.2rem + 2vw,2.9rem);line-height:1.02;font-weight:740;font-stretch:110%;letter-spacing:-.022em}
h3{font-size:1.06rem;font-weight:700;font-stretch:108%;letter-spacing:-.005em}
p{margin:0}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.lede{font-size:clamp(1.06rem,1rem + .3vw,1.2rem);line-height:1.55;color:var(--ink-2);max-width:42ch}
.fine{margin-top:.9rem;font-size:.88rem;color:var(--ink-3)}
.cta-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.55em;font:650 .98rem/1 var(--display);font-stretch:108%;letter-spacing:-.005em;text-decoration:none;padding:.95em 1.3em;border-radius:3px;border:1.5px solid transparent;transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.btn:active{transform:translateY(1px)}
button.btn{cursor:pointer}
.btn-primary{background:var(--carbon);color:var(--on-carbon)}
.btn-primary:hover{background:var(--carbon-hi)}
.btn-ghost{border-color:color-mix(in oklch,var(--ink) 55%,transparent);color:var(--ink)}
.btn-ghost:hover{background:var(--paper-2)}
.btn .arr{transition:transform .25s var(--ease)}
.btn:hover .arr{transform:translateX(3px)}

/* header */
header.site{border-bottom:1px solid var(--rule)}
header.site .wrap{display:flex;align-items:center;gap:.8rem 2.6rem;padding-block:1rem;flex-wrap:wrap}
.wordmark{font:820 1.42rem/1 var(--display);font-stretch:125%;letter-spacing:-.035em;color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;gap:.4rem}
.wordmark .mark{width:2.3rem;height:2.3rem;flex:none;margin:-.35rem 0}
nav.top{display:flex;align-items:center;gap:1.7rem;margin-right:auto}
nav.top a{font:550 .95rem/1 var(--display);font-stretch:105%;text-decoration:none;color:var(--ink-2);padding-block:.45rem;border-bottom:2px solid transparent}
nav.top a:hover{color:var(--ink)}
nav.top a[aria-current]{color:var(--ink);border-bottom-color:var(--carbon)}
header.site .hd-cta{padding:.7em 1em;font-size:.9rem}
@media (max-width:640px){
  header.site .wrap{justify-content:space-between;padding-block:.85rem .2rem}
  header.site .hd-cta{order:2}
  nav.top{order:3;width:100%;gap:1.4rem;margin-right:0;border-top:1px solid var(--rule-2);padding-top:.15rem}
  nav.top a{font-size:.9rem}
}

/* sections */
section{padding-block:clamp(4rem,8vw,7rem)}
.rule-top{border-top:1px solid var(--rule)}
.sec{display:grid;grid-template-columns:minmax(150px,230px) minmax(0,1fr);gap:clamp(1.5rem,4vw,3.5rem)}
.sec>.label{padding-top:.55rem;border-top:2px solid var(--ink);align-self:start}
@media (max-width:820px){.sec{grid-template-columns:1fr;gap:1.4rem}.sec>.label{border-top-width:1.5px;width:max-content;padding-right:1rem}}
.sheet{background:var(--sheet);border:1px solid var(--rule);box-shadow:0 1px 0 var(--rule-2),0 22px 44px -28px var(--shadow)}
.tag{font:600 .74rem/1 var(--display);font-stretch:112%;letter-spacing:.02em;padding:.42em .62em;border:1px solid var(--rule);border-radius:2px;background:var(--sheet);color:var(--ink-2)}

/* numbered steps */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:2.6rem;border-top:1px solid var(--ink)}
.step{padding:1.4rem clamp(1rem,2.4vw,1.8rem) 1.6rem 0}
.step+.step{padding-left:clamp(1rem,2.4vw,1.8rem);border-left:1px solid var(--rule)}
.step .n{font:800 clamp(2.4rem,1.6rem + 2.4vw,3.6rem)/1 var(--display);font-stretch:125%;letter-spacing:-.04em;color:var(--carbon)}
.step h3{margin:1rem 0 .5rem;font-size:1.2rem}
.step p{color:var(--ink-2);font-size:.98rem}
.step .eg{margin-top:1rem;display:inline-block;font:400 .74rem/1.4 var(--mono);color:var(--ink-2);padding:.45em .6em;background:var(--paper-2);border:1px solid var(--rule-2);border-radius:2px}
.step .eg b{color:var(--carbon);font-weight:500}
@media (max-width:820px){.steps{grid-template-columns:1fr}.step,.step+.step{padding:1.3rem 0 1.5rem;border-left:0;border-bottom:1px solid var(--rule)}}

/* spec sheet */
.spec{margin:2.4rem 0 0;border-top:1px solid var(--ink)}
.spec div{display:grid;grid-template-columns:minmax(150px,240px) 1fr;gap:1.5rem;padding:1.05rem 0;border-bottom:1px solid var(--rule)}
.spec dt{font:680 .76rem/1.4 var(--display);font-stretch:122%;letter-spacing:.11em;text-transform:uppercase;color:var(--ink);padding-top:.15rem}
.spec dd{margin:0;color:var(--ink-2);max-width:62ch}
.spec dd b{color:var(--ink);font-weight:620}
@media (max-width:640px){.spec div{grid-template-columns:1fr;gap:.35rem}}

/* questions */
.faq{margin-top:2.2rem;border-top:1px solid var(--ink)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:1rem;align-items:center;padding:1.1rem 0;font:620 1.05rem/1.35 var(--display);font-stretch:104%}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:12px;height:12px;background:linear-gradient(var(--ink),var(--ink)) center/100% 2px no-repeat,linear-gradient(var(--ink),var(--ink)) center/2px 100% no-repeat;transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq summary:hover{color:var(--carbon)}
.faq details p{padding:0 0 1.2rem;color:var(--ink-2);max-width:66ch}

/* closing block */
.close{border-top:1px solid var(--rule)}
.close .inner{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:2rem;align-items:end}
.close h2{font-size:clamp(2.1rem,1.3rem + 3vw,3.8rem)}
.close p{color:var(--ink-2);margin-top:1rem;max-width:44ch}
.close .side{justify-self:end;text-align:right}
.close .sig{margin-top:1rem;font-size:.86rem;color:var(--ink-3)}
@media (max-width:820px){.close .inner{grid-template-columns:1fr}.close .side{justify-self:start;text-align:left}}

/* long text: guides, legal */
.prose{max-width:68ch}
.prose p,.prose ul,.prose ol{margin:0 0 1.15rem}
.prose h2{font-size:1.5rem;margin:2.4rem 0 .9rem}
.prose li{margin-bottom:.45rem}
.prose code{font:500 .9em var(--mono);background:var(--paper-2);padding:.1em .35em;border-radius:2px}
.crumbs{font-size:.88rem;color:var(--ink-2);margin:0}
.crumbs a{color:var(--ink-2)}

/* footer */
footer.site{border-top:1px solid var(--rule);padding-block:3rem 2.4rem;color:var(--ink-2);font-size:.9rem}
footer.site .ft{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:2rem}
footer.site .ft-brand p{margin-top:.7rem;max-width:26ch;color:var(--ink-3)}
footer.site .ft-col{display:flex;flex-direction:column;gap:.55rem;align-items:flex-start}
footer.site .ft-col .label{color:var(--ink-3);margin-bottom:.25rem}
footer.site a{color:var(--ink-2);text-decoration:none}
footer.site .ft-col a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
footer.site .ft-legal{margin-top:2.6rem;padding-top:1.2rem;border-top:1px solid var(--rule-2);font-size:.8rem;color:var(--ink-3)}
@media (max-width:760px){footer.site .ft{grid-template-columns:1fr 1fr}footer.site .ft-brand{grid-column:1/-1}}