:root{
  --ink:#0B0B0C;
  --ink-2:#3E4045;
  --muted:#767980;
  --paper:#FFFFFF;
  --sand:#F7F7F5;
  --sand-2:#EFEFEC;
  --line:#E4E4E0;
  --line-2:#CFCFC9;

  /* Monochrome. Emphasis comes from fill and weight, never hue, so the whole
     product reads in black and white. */
  --blue:#0B0B0C;
  --blue-deep:#26262A;
  --blue-wash:#F1F1EF;
  --green:#0B0B0C;
  --green-wash:#EFEFEC;
  --amber:#3E4045;
  --amber-wash:#F7F7F5;
  --red:#0B0B0C;
  --red-wash:#EFEFEC;

  --r:10px;
  --r-lg:16px;
  --shadow:0 1px 2px rgba(11,11,12,.05), 0 10px 24px -14px rgba(11,11,12,.18);
  --shadow-lg:0 2px 6px rgba(11,11,12,.05), 0 28px 60px -26px rgba(11,11,12,.30);

  /* kept so older markup keeps working */
  --bg:var(--paper); --card:var(--paper); --violet:var(--ink);
  --violet-deep:var(--blue-deep); --lilac:var(--sand-2); --coral:var(--ink);
  --peach:var(--sand-2);
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:inherit;}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px;}
.hide{display:none !important;}

h1,h2,h3,.display{font-family:"Archivo",Inter,sans-serif;font-weight:700;letter-spacing:-.035em;}
h1{font-size:clamp(38px,6vw,68px);line-height:1.02;margin:0 0 20px;}
h2.big{font-size:clamp(28px,4.2vw,46px);line-height:1.06;margin:0 0 16px;}
h3{font-size:20px;letter-spacing:-.024em;margin:0 0 8px;}
.lede{font-size:clamp(16.5px,2vw,19px);color:var(--ink-2);margin:0 0 32px;max-width:56ch;}
.kicker{font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:18px;}
.kicker.blue{color:var(--blue);}
.eyebrow{font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--blue);margin-bottom:18px;}

nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav-in{max-width:1160px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;}
.logo{font-family:"Archivo",sans-serif;font-weight:800;font-size:19px;
  letter-spacing:-.04em;text-decoration:none;}
.nav-links{display:flex;gap:28px;}
.nav-links a{text-decoration:none;font-size:14.5px;font-weight:500;color:var(--ink-2);}
.nav-links a:hover{color:var(--ink);}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--ink);color:#fff;border:1px solid var(--ink);
  padding:13px 26px;border-radius:100px;font-size:15px;font-weight:600;
  text-decoration:none;cursor:pointer;font-family:inherit;letter-spacing:-.01em;
  transition:background .14s ease,transform .12s ease,border-color .14s ease;}
.btn:hover{background:#26262A;border-color:#26262A;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-2);}
.btn.ghost:hover{background:var(--sand);border-color:var(--ink);}
.btn.blue{background:var(--ink);border-color:var(--ink);}
.btn.blue:hover{background:var(--blue-deep);border-color:var(--blue-deep);}
.btn.white{background:#fff;border-color:#fff;color:var(--ink);}
.btn.white:hover{background:var(--sand-2);border-color:var(--sand-2);}
.btn.sm{padding:9px 18px;font-size:13.5px;}
.btn.block{width:100%;}
.btn:disabled{opacity:.45;cursor:default;transform:none;}
:focus-visible{outline:2.5px solid var(--ink);outline-offset:3px;border-radius:6px;}

.card,.panel,.signup-card{background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow);}
.signup-card{padding:28px 26px;max-width:520px;}
.card.dark{background:var(--ink);border-color:var(--ink);color:#fff;}

.field{margin-bottom:15px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--r);
  font-family:inherit;font-size:16px;color:var(--ink);background:var(--paper);}
.field input::placeholder,.field textarea::placeholder{color:#A6A8AD;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ink);outline:none;}
.field textarea{resize:vertical;}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.fine{font-size:12.5px;color:var(--muted);margin:14px 0 0;}
/* Inverted rather than red: unmissable in a monochrome palette. */
.err{background:var(--ink);color:#fff;padding:12px 15px;border-radius:var(--r);
  font-size:14px;font-weight:500;margin-bottom:14px;}
.ok-msg{background:var(--paper);border:2px solid var(--ink);color:var(--ink);
  padding:12px 15px;border-radius:var(--r);font-size:14px;font-weight:500;margin-bottom:14px;}

.pill{font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:100px;
  background:var(--sand-2);color:var(--ink-2);white-space:nowrap;}
/* Filled = done. Outlined = needs attention. Dashed = in progress.
   Distinguishable without colour, and still legible to anyone colour-blind. */
.pill.ok{background:var(--ink);color:#fff;}
.pill.bad{background:var(--paper);color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink);}
.pill.warn{background:var(--paper);color:var(--ink-2);
  box-shadow:inset 0 0 0 1.5px var(--line-2);border-style:dashed;}
.pill.blue{background:var(--sand-2);color:var(--ink);}

section{padding:84px 0;}
.sec-head{max-width:640px;margin:0 0 48px;}
.sec-head.mid{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head p{font-size:17px;color:var(--ink-2);margin:0;}

table{width:100%;border-collapse:collapse;font-size:13.5px;}
th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.09em;
  color:var(--muted);padding:11px 14px;border-bottom:1.5px solid var(--line);
  white-space:nowrap;font-weight:600;}
td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top;}
tr.click{cursor:pointer;}
tr.click:hover td{background:var(--sand);}
td.strong{color:var(--ink);font-weight:600;}
code{background:var(--sand-2);padding:2px 7px;border-radius:5px;font-size:12px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--ink);}

footer{background:var(--ink);color:#8E9198;padding:64px 0 34px;}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:38px;}
.fgrid .logo{color:#fff;display:block;margin-bottom:12px;}
.fblurb{font-size:14px;max-width:32ch;}
.fcol h4{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:#63666C;
  margin:0 0 14px;font-weight:600;}
.fcol a{display:block;font-size:14px;text-decoration:none;padding:6px 0;color:#8E9198;}
.fcol a:hover{color:#fff;}
.fbase{border-top:1px solid #232427;padding-top:22px;font-size:12.5px;color:#63666C;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;}

.empty{color:var(--muted);font-size:14.5px;padding:8px 0;}
.done{text-align:center;}
.done .big{font-family:"Archivo",sans-serif;font-weight:700;font-size:40px;letter-spacing:-.04em;}
.sc-head h2{font-family:"Archivo",sans-serif;font-size:21px;letter-spacing:-.03em;margin:0 0 4px;}
.sc-sub{font-size:14.5px;color:var(--muted);margin:0 0 20px;}
.codebox{background:var(--sand);border:1px solid var(--line);border-radius:var(--r);
  padding:14px 16px;margin:18px 0 12px;display:flex;gap:10px;align-items:center;
  justify-content:space-between;}
.codebox .link{font-size:13.5px;font-weight:600;word-break:break-all;text-align:left;}

@media (max-width:900px){
  .row2,.row3{grid-template-columns:1fr;}
  .fgrid{grid-template-columns:1fr 1fr;}

  /* The links used to be hidden with nothing in their place, which left the
     marketing site with no navigation at all on a phone. They now wrap onto
     their own scrollable row instead. */
  .nav-in{flex-wrap:wrap;row-gap:10px;padding-bottom:10px;}
  .nav-links{order:3;width:100%;gap:18px;overflow-x:auto;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
    border-top:1px solid var(--line);padding-top:10px;}
  .nav-links::-webkit-scrollbar{display:none;}
  .nav-links a{white-space:nowrap;padding:4px 0;}

  /* Wide tables scroll on their own instead of pushing the page sideways. */
  table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap;}
}
@media (max-width:560px){
  .wrap,.nav-in{padding-left:18px;padding-right:18px;}
  section{padding:56px 0;}
  /* Nothing tappable smaller than a fingertip. */
  .btn{min-height:46px;padding:13px 22px;}
  .btn.sm{min-height:40px;}
  .field input,.field select,.field textarea{padding:14px 15px;}
  .signup-card{padding:22px 18px;}
  .fgrid{grid-template-columns:1fr;gap:24px;}
}
@media (prefers-reduced-motion:reduce){*{transition:none !important;animation:none !important;}}