/* ---------- Font fallback (size-adjusted to match Instrument Serif) ---------- */
@font-face{
  font-family:"Instrument Serif Fallback";
  src:local("Georgia");
  size-adjust:103%;
  ascent-override:90%;
  descent-override:24%;
  line-gap-override:0%;
}

/* ---------- Reset + tokens ---------- */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
:root{
  --bg:#f6f1e7;
  --bg-2:#efe7d6;
  --ink:#1a1714;
  --ink-2:#5a544c;
  --rule:#1a1714;
  --line:rgba(26,23,20,.18);
  --accent:#c8442a;
  --accent-2:#7a2615;
  --paper:#fffaf0;
  --shadow:0 1px 0 rgba(26,23,20,.08), 0 12px 32px -16px rgba(26,23,20,.18);
  --serif:"Instrument Serif","Instrument Serif Fallback",Georgia,"Times New Roman",serif;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;line-height:1.55;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
hr{border:0;border-top:1px solid var(--line);margin:0}

/* ---------- Layout ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:760px;margin:0 auto;padding:0 24px}
@media (max-width:600px){.wrap,.wrap-narrow{padding:0 16px}}

/* ---------- Header ---------- */
.site-header{
  border-bottom:1px solid var(--rule);
  padding:14px 0;
  background:var(--bg);
  position:sticky;top:0;z-index:30;
  backdrop-filter:saturate(120%) blur(6px);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:22px;letter-spacing:-.01em}
.brand-mark{display:inline-flex;width:22px;height:22px}
.brand em{font-style:italic;color:var(--accent)}
.nav{display:flex;gap:22px;font-size:14.5px}
.nav a{color:var(--ink-2)}
.nav a:hover{color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--accent)}
@media (max-width:640px){.nav{gap:16px;font-size:13.5px}}

/* ---------- Breadcrumb ---------- */
.crumbs{padding:18px 0 0;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2)}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.crumbs li:not(:last-child)::after{content:"/";margin-left:8px;opacity:.5}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--ink)}
.crumbs [aria-current="page"]{color:var(--ink)}

/* ---------- Masthead ---------- */
.masthead{padding:48px 0 28px;border-bottom:1px solid var(--line)}
.masthead.compact{padding:36px 0 24px}
.kicker{
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-2);display:flex;align-items:center;gap:14px;margin-bottom:18px;
}
.kicker::after{content:"";flex:1;border-top:1px solid var(--line)}
.title{
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(40px,6.5vw,80px);
  line-height:.98;
  letter-spacing:-.02em;
  margin:0 0 18px;
  max-width:18ch;
}
.title.tight{max-width:14ch}
.title em{font-style:italic;color:var(--accent)}
.lede{font-size:clamp(16px,1.6vw,18.5px);color:var(--ink-2);max-width:62ch;margin:0}
.lede strong{color:var(--ink);font-weight:600}

/* ---------- Tool ---------- */
.tool{
  margin:32px 0 64px;
  background:var(--paper);
  border:1px solid var(--rule);
  box-shadow:var(--shadow);
  display:grid;
  grid-template-columns:340px 1fr;
}
@media (max-width:880px){.tool{grid-template-columns:1fr}}

.panel{padding:22px 22px 24px;border-right:1px solid var(--line)}
@media (max-width:880px){.panel{border-right:0;border-bottom:1px solid var(--line)}}

.panel h2{
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-2);margin:0 0 10px;font-weight:600;
}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px}
.field input[type=text],
.field textarea,
.field select{
  width:100%;background:#fff;border:1px solid var(--line);
  padding:10px 12px;border-radius:0;font-size:14px;
  transition:border-color .15s ease;
}
.field textarea{font-family:var(--mono);font-size:13px;line-height:1.55;min-height:180px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--ink)}
.row{display:flex;gap:10px}
.row > *{flex:1}
.toggle{display:inline-flex;border:1px solid var(--line);background:#fff}
.toggle input{position:absolute;opacity:0;pointer-events:none}
.toggle label{
  flex:1;text-align:center;padding:8px 10px;font-size:13px;color:var(--ink-2);cursor:pointer;
  border-right:1px solid var(--line);margin:0;
}
.toggle label:last-of-type{border-right:0}
.toggle input:checked + label{background:var(--ink);color:var(--paper)}
.swatches{display:flex;gap:8px;flex-wrap:wrap}
.swatch{width:24px;height:24px;border:1px solid var(--line);cursor:pointer;padding:0;border-radius:0}
.swatch.is-active{outline:2px solid var(--ink);outline-offset:2px}
.check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);cursor:pointer}
.check input{accent-color:var(--accent)}

.preview{padding:22px;display:flex;flex-direction:column;min-height:420px}
.preview-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:8px}
.chart-title{
  font-family:var(--serif);font-size:24px;line-height:1.15;letter-spacing:-.01em;
  margin:0;color:var(--ink);
}
.chart-title:empty::before{content:"Untitled chart";color:var(--ink-2);font-style:italic}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--ink);color:var(--paper);
  border:1px solid var(--ink);
  padding:8px 14px;font-size:13px;letter-spacing:.01em;
  border-radius:0;transition:transform .08s ease, background .15s ease;
  text-decoration:none;
}
.btn:hover{background:var(--accent-2);border-color:var(--accent-2);text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
.chart-host{flex:1;display:flex;align-items:stretch;justify-content:center;margin-top:8px;min-height:380px;max-height:440px;overflow:hidden}
.chart-host svg{width:100%;height:100%;display:block;max-width:100%}
.chart-meta{margin-top:10px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--ink-2);text-transform:uppercase;display:flex;justify-content:space-between;gap:12px}

/* SVG chart styling */
.bar{transition:opacity .15s ease}
.bar:hover{opacity:.82}
.axis-line{stroke:var(--ink);stroke-width:1}
.tick-label{font-family:var(--sans);font-size:11px;fill:var(--ink-2)}
.value-label{font-family:var(--mono);font-size:10.5px;fill:var(--ink)}
.gridline{stroke:var(--line);stroke-width:1;stroke-dasharray:2 3}

/* Inline mini-chart for guides and templates */
.mini{margin:24px 0;border:1px solid var(--line);background:var(--paper);padding:18px}
.mini svg{width:100%;height:auto;display:block}
.mini figcaption{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--ink-2);text-transform:uppercase;margin-top:10px}

/* ---------- Steps ---------- */
.steps{padding:48px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--line)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:24px}
@media (max-width:780px){.steps-grid{grid-template-columns:1fr;gap:24px}}
.step{border-top:1px solid var(--ink);padding-top:14px}
.step-num{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--accent)}
.step h3{font-family:var(--serif);font-weight:400;font-size:24px;line-height:1.15;margin:6px 0 8px;letter-spacing:-.01em}
.step p{margin:0;color:var(--ink-2);font-size:15px}

/* ---------- Cluster grid ---------- */
.cluster{padding:56px 0;border-bottom:1px solid var(--line)}
.cluster-head{display:flex;justify-content:space-between;align-items:baseline;gap:24px;margin-bottom:22px;flex-wrap:wrap}
.cluster-head h2{font-family:var(--serif);font-weight:400;font-size:clamp(28px,4vw,40px);line-height:1.1;letter-spacing:-.01em;margin:0}
.cluster-head p{margin:0;color:var(--ink-2);max-width:46ch}
.cluster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
@media (max-width:980px){.cluster-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:540px){.cluster-grid{grid-template-columns:1fr}}
.cluster-grid a{
  padding:18px 20px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:4px;transition:background .15s ease;
}
.cluster-grid a:hover{background:var(--bg-2);text-decoration:none}
.cluster-grid a:last-child{border-right:0}
@media (max-width:980px){.cluster-grid a:nth-child(2n){border-right:0}}
@media (max-width:540px){.cluster-grid a{border-right:0}}
.cluster-grid .label{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--accent);text-transform:uppercase}
.cluster-grid .name{font-family:var(--serif);font-size:21px;line-height:1.15;letter-spacing:-.01em}
.cluster-grid .desc{font-size:13px;color:var(--ink-2);margin-top:2px}

/* ---------- FAQ ---------- */
.faq{padding:56px 0;border-bottom:1px solid var(--rule)}
.faq h2{font-family:var(--serif);font-weight:400;font-size:clamp(28px,4vw,40px);margin:0 0 24px;letter-spacing:-.01em}
details{border-top:1px solid var(--line);padding:18px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
details summary{
  list-style:none;cursor:pointer;font-family:var(--serif);font-size:22px;line-height:1.25;
  display:flex;justify-content:space-between;gap:16px;letter-spacing:-.01em;
}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"\002B";font-family:var(--sans);font-size:18px;color:var(--accent);transition:transform .2s ease}
details[open] summary::after{content:"\2212"}
details p{margin:10px 0 0;color:var(--ink-2);max-width:65ch}

/* ---------- Prose (long-form articles, guides, legal) ---------- */
.prose{padding:32px 0 56px}
.prose h1{font-family:var(--serif);font-weight:400;font-size:clamp(36px,5vw,56px);line-height:1.05;letter-spacing:-.02em;margin:0 0 16px;max-width:22ch}
.prose h1 em{font-style:italic;color:var(--accent)}
.prose .tldr{background:var(--paper);border-left:3px solid var(--accent);padding:14px 18px;margin:20px 0 28px;font-size:16px;color:var(--ink)}
.prose .tldr strong{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:6px}
.prose h2{font-family:var(--serif);font-weight:400;font-size:clamp(26px,3.4vw,34px);line-height:1.15;letter-spacing:-.01em;margin:42px 0 12px}
.prose h3{font-family:var(--serif);font-weight:400;font-size:22px;line-height:1.2;margin:28px 0 8px;letter-spacing:-.01em}
.prose p{margin:0 0 14px;color:var(--ink);max-width:68ch}
.prose ul,.prose ol{margin:0 0 16px;padding-left:22px;color:var(--ink);max-width:68ch}
.prose li{margin:0 0 6px}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--accent-2)}
.prose code{font-family:var(--mono);font-size:13.5px;background:var(--bg-2);padding:1px 6px;border-radius:0}
.prose blockquote{border-left:3px solid var(--ink);padding:0 0 0 18px;margin:18px 0;color:var(--ink-2);font-style:italic}
.prose table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);font-weight:600}
.prose .toc{background:var(--paper);border:1px solid var(--line);padding:16px 20px;margin:0 0 28px;font-size:14px}
.prose .toc strong{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-2);display:block;margin-bottom:8px}
.prose .toc ol{margin:0;padding-left:18px;list-style:decimal}
.prose .toc a{color:var(--ink);text-decoration:none}
.prose .toc a:hover{color:var(--accent)}
.prose .cta{background:var(--ink);color:var(--paper);padding:18px 22px;margin:28px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.prose .cta p{margin:0;color:#dcd5c5;max-width:48ch}
.prose .cta .btn{background:var(--accent);border-color:var(--accent);color:var(--paper);text-decoration:none}
.prose .cta .btn:hover{background:var(--paper);color:var(--ink);border-color:var(--paper);text-decoration:none}
.prose .related{margin-top:48px;padding-top:24px;border-top:1px solid var(--line)}
.prose .related h2{margin-top:0}

/* ---------- Gallery ---------- */
.gallery{padding:32px 0 56px}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:880px){.gallery-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:540px){.gallery-grid{grid-template-columns:1fr}}
.gallery-item{display:flex;flex-direction:column;border:1px solid var(--line);background:var(--paper);transition:border-color .15s ease}
.gallery-item:hover{border-color:var(--ink);text-decoration:none}
.gallery-item .thumb{padding:14px;border-bottom:1px solid var(--line);background:var(--paper)}
.gallery-item .thumb svg{width:100%;height:auto;display:block}
.gallery-item .meta{padding:14px 16px}
.gallery-item .meta .label{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--accent);text-transform:uppercase}
.gallery-item .meta .name{font-family:var(--serif);font-size:20px;line-height:1.2;letter-spacing:-.01em;margin:4px 0 0}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#dcd5c5;padding:48px 0 28px;margin-top:0}
.site-footer .wrap{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
@media (max-width:840px){.site-footer .wrap{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:480px){.site-footer .wrap{grid-template-columns:1fr}}
.foot-brand{font-family:var(--serif);font-size:28px;color:#fffaf0;letter-spacing:-.01em}
.foot-brand em{color:var(--accent);font-style:italic}
.foot-tag{font-size:14px;color:#a8a195;margin-top:6px;max-width:34ch}
.foot-col h4{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#a8a195;margin:0 0 10px;font-weight:600}
.foot-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;font-size:14px}
.foot-col a{color:#dcd5c5}
.foot-col a:hover{color:#fffaf0}
.foot-bottom{margin-top:36px;padding-top:18px;border-top:1px solid #2c2723;display:flex;justify-content:space-between;gap:16px;font-size:12.5px;color:#a8a195;flex-wrap:wrap}

/* ---------- Cookie banner ---------- */
.cc{position:fixed;bottom:16px;left:16px;right:16px;max-width:520px;margin:0 auto;background:#1a1714;color:#fffaf0;padding:14px 16px;font-size:13.5px;line-height:1.5;box-shadow:0 8px 32px rgba(0,0,0,.2);z-index:50}
.cc a{color:#c8442a;text-decoration:underline}
.cc-actions{margin-top:8px;display:flex;gap:8px}
.cc-actions button{background:transparent;color:#fffaf0;border:1px solid #fffaf0;padding:6px 12px;font-size:13px}
.cc-actions button.primary{background:#c8442a;color:#fffaf0;border-color:#c8442a}

/* ---------- Skip link / a11y ---------- */
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:8px;top:8px;background:var(--ink);color:var(--paper);padding:8px 12px;z-index:100}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}