:root{
  --ink:#13202F;--ink-2:#46566A;--paper:#F4F6F8;--white:#fff;--line:#D3DAE2;
  --cobalt:#2457F5;--cobalt-d:#1B43C4;--tint:#E8EEFB;--ok:#17794A;--err:#B42318;
  --sans:"Avenir Next","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.65 var(--sans)}
img,svg{max-width:100%}
a{color:var(--cobalt-d);text-underline-offset:3px}
a:hover{color:var(--cobalt)}
:focus-visible{outline:3px solid var(--cobalt);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);border:0}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:10}
.skip:focus{left:0}
.wrap{width:min(1080px,100% - 2.5rem);margin-inline:auto}

/* header */
.site-header{background:var(--white);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-block:.9rem}
.brand{display:flex;align-items:center;gap:.6rem;color:var(--ink);text-decoration:none;font-weight:700;font-size:1.2rem;letter-spacing:-.01em}
.brand img{width:32px;height:32px;display:block}
.nav{display:flex;gap:1.4rem;flex-wrap:wrap}
.nav a{color:var(--ink-2);text-decoration:none;font-weight:600;font-size:.98rem;padding:.2rem 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--cobalt)}

/* hero */
.hero{padding:3.2rem 0 1.6rem}
h1{font-size:clamp(2.1rem,5vw,3.4rem);line-height:1.08;letter-spacing:-.025em;margin:0 0 1rem;max-width:18ch;font-weight:800}
.lead{font-size:1.2rem;color:var(--ink-2);max-width:60ch;margin:0}
h2{font-size:1.65rem;line-height:1.2;letter-spacing:-.015em;margin:0 0 .8rem}
h3{font-size:1.15rem;margin:1.6rem 0 .4rem}
p{margin:0 0 1rem}

/* tool */
.tool{padding:1rem 0 2.5rem}
.dz{background:var(--white);border:2px solid var(--ink);border-radius:6px;overflow:hidden;transition:box-shadow .15s}
.dz.is-over{box-shadow:0 0 0 4px var(--cobalt);border-color:var(--cobalt)}
.dz-cols{display:grid;grid-template-columns:44px repeat(6,1fr);background:var(--tint);border-bottom:1px solid var(--line);font:600 .8rem/1 var(--mono);color:var(--ink-2)}
.dz-cols span{padding:.55rem 0;text-align:center;border-left:1px solid var(--line)}
.dz-cols span:first-child{border-left:0}
.dz-body{display:grid;grid-template-columns:44px 1fr;
  background-image:linear-gradient(var(--line) 1px,transparent 1px);background-size:100% 40px}
.dz-gutter{background:var(--tint);border-right:1px solid var(--line)}
.dz-inner{padding:2.6rem 1.5rem;text-align:left;
  background-image:linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:calc(100%/6) 100%;
  background-color:rgba(255,255,255,.55)}
.dz-title{font-size:1.5rem;font-weight:800;letter-spacing:-.015em;margin:0 0 .3rem;background:var(--white);display:inline-block;padding-right:.6rem}
.dz-sub{margin:0 0 1.3rem;color:var(--ink-2);background:var(--white);display:inline-block;padding-right:.6rem}
.btn{display:inline-block;background:var(--cobalt);color:#fff;border:0;border-radius:4px;font:700 1rem/1 var(--sans);padding:.95rem 1.4rem;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--cobalt-d);color:#fff}
.sr-only:focus-visible + .btn{outline:3px solid var(--ink);outline-offset:3px}
.btn-small{padding:.7rem 1rem;font-size:.95rem}
.btn-quiet{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-quiet:hover{background:var(--ink);color:#fff}

.options{display:flex;flex-wrap:wrap;gap:1rem 1.8rem;align-items:end;padding:1rem 0 0;margin:0;border:0}
.options label{font-size:.95rem;font-weight:600;color:var(--ink)}
.options .field{display:flex;flex-direction:column;gap:.3rem}
.options select,.options input[type=text]{font:inherit;padding:.5rem .6rem;border:1px solid var(--ink-2);border-radius:4px;background:#fff;color:var(--ink);min-width:9rem}
.options .check{display:flex;align-items:center;gap:.5rem}
.options .check input{width:1.1rem;height:1.1rem;accent-color:var(--cobalt)}
.hint{font-size:.92rem;color:var(--ink-2);margin:.8rem 0 0}

#results{list-style:none;margin:1.4rem 0 0;padding:0;display:grid;gap:.8rem}
.result{background:var(--white);border:1px solid var(--line);border-left:5px solid var(--cobalt);border-radius:4px;padding:1rem 1.1rem;display:grid;gap:.6rem}
.result[data-state=ok]{border-left-color:var(--ok)}
.result[data-state=error]{border-left-color:var(--err)}
.result[data-state=error] .result-meta{color:var(--err)}
.result-main{display:flex;flex-direction:column;gap:.1rem;word-break:break-word}
.result-meta{font-size:.93rem;color:var(--ink-2)}
.result .btn{justify-self:start}
.result-note{font-size:.93rem;color:var(--err);margin:0}
.result-preview summary{cursor:pointer;font-weight:600;font-size:.95rem}
.table-wrap{overflow-x:auto;margin-top:.6rem;border:1px solid var(--line)}
.table-wrap table{border-collapse:collapse;font:.85rem/1.4 var(--mono);width:100%}
.table-wrap td{border:1px solid var(--line);padding:.35rem .6rem;white-space:nowrap}
.table-wrap tr:first-child td{background:var(--tint);font-weight:700}
#clear-all{margin-top:1rem}

/* content */
.section{padding:2.4rem 0;border-top:1px solid var(--line)}
.prose{max-width:70ch}
.prose ul,.prose ol{padding-left:1.3rem;margin:0 0 1rem}
.prose li{margin-bottom:.4rem}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:1rem;max-width:70ch}
.steps li{counter-increment:s;padding-left:3rem;position:relative}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:2rem;height:2rem;border-radius:50%;background:var(--ink);color:#fff;font-weight:700;display:grid;place-items:center}
.faq details{background:var(--white);border:1px solid var(--line);border-radius:4px;padding:.9rem 1.1rem;margin-bottom:.6rem;max-width:70ch}
.faq summary{font-weight:700;cursor:pointer}
.faq details p{margin:.7rem 0 0}
.compare{width:100%;border-collapse:collapse;background:var(--white);font-size:.98rem}
.compare th,.compare td{border:1px solid var(--line);padding:.6rem .8rem;text-align:left;vertical-align:top}
.compare th{background:var(--tint)}
.crumbs{font-size:.92rem;color:var(--ink-2);margin:0 0 1rem}
.crumbs a{color:var(--ink-2)}
article.page{padding:2.4rem 0 3rem}
article.page h1{max-width:24ch;font-size:clamp(1.9rem,4.4vw,2.8rem)}

/* footer */
.site-footer{background:var(--ink);color:#C8D2DE;padding:2rem 0;margin-top:2rem;font-size:.95rem}
.site-footer a{color:#fff}
.site-footer .wrap{display:flex;gap:1rem 2rem;justify-content:space-between;flex-wrap:wrap}
.site-footer nav{display:flex;gap:1.2rem;flex-wrap:wrap}
.site-footer p{margin:0}

@media (max-width:560px){
  .dz-cols{display:none}
  .dz-body{grid-template-columns:18px 1fr}
  .dz-inner{padding:1.6rem 1rem;background-image:none}
  .hero{padding-top:2rem}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.dz{transition:none}}