/* ---------- tokens ---------- */
:root{
  --ink:#16211C;
  --ink-soft:#3A4A41;
  --paper:#E9EBE2;
  --paper-2:#DEE2D6;
  --rule:#B9C1B2;
  --moss:#3F5E45;
  --oak:#7A5326;
  --silver:#96A798;
  --max:1080px;
  --thumb-h:210px;
}
/* ---------- base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Karla",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-weight:300;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
@media(max-width:640px){.wrap{padding:0 18px}body{font-size:16px}}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:"Fraunces",Georgia,serif;font-weight:500;line-height:1.1;margin:0}
h1{font-size:clamp(2.4rem,6vw,4.1rem);font-weight:300;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem);font-weight:500;letter-spacing:-.01em}
h3{font-size:clamp(1.5rem,3.2vw,2rem);font-weight:500}
.eyebrow{
  font-family:"IBM Plex Mono",monospace;font-size:.7rem;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;color:var(--moss);
}
p{margin:0 0 1.05em}
a{color:var(--moss);text-decoration-thickness:1px;text-underline-offset:3px}
a:focus-visible,button:focus-visible{outline:2.5px solid var(--oak);outline-offset:3px}

/* ---------- plan-sheet header ---------- */
header{border-bottom:1.5px solid var(--ink);padding:52px 0 44px}
/* index-style pages run straight into their content, with no rule to divide */
header.plain{border-bottom:none;padding-bottom:0}
.sheet{
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.13em;
  text-transform:uppercase;color:var(--ink-soft);border-bottom:1px solid var(--rule);
  padding-bottom:12px;
}
h1{margin:38px 0 0}
.lede{font-size:clamp(1.05rem,2vw,1.28rem);max-width:60ch;margin:22px 0 0;color:var(--ink-soft)}
.specs{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:1px;background:var(--rule);border:1px solid var(--rule);margin:40px 0 0;
}
.specs div{background:var(--paper);padding:14px 16px}
.specs dt{font-family:"IBM Plex Mono",monospace;font-size:.63rem;letter-spacing:.15em;text-transform:uppercase;color:var(--moss);margin:0 0 4px}
.specs dd{margin:0;font-size:.94rem}

/* ---------- sections ---------- */
section{padding:64px 0;border-bottom:1px solid var(--rule)}
section:last-of-type{border-bottom:none}
.section-head{max-width:66ch;margin-bottom:36px}
.section-head h2{margin:10px 0 14px}
.prose{max-width:66ch}
.prose ul{padding-left:1.15em;margin:0 0 1.05em}
.prose li{margin-bottom:.5em}
strong{font-weight:600}

/* ---------- decision blocks ---------- */
.two{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--rule);border:1px solid var(--rule)}
@media(max-width:760px){.two{grid-template-columns:1fr}}
.two>div{background:var(--paper);padding:26px}
.two h4{font-size:1.2rem;margin-bottom:10px}
.two p:last-child{margin-bottom:0}
/* ---------- card grid ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule)}
.cards>*{background:var(--paper);padding:20px 22px}

/* ---------- index of pages ---------- */
.entry{display:block;text-decoration:none;color:inherit}
.entry h3{font-size:1.4rem;margin-bottom:8px;text-decoration:underline;text-decoration-color:var(--rule);text-underline-offset:4px}
.entry:hover h3,.entry:focus-visible h3{text-decoration-color:var(--moss)}
.entry p{font-size:.94rem;color:var(--ink-soft);margin:0}
.entry .eyebrow{display:block;margin-bottom:10px}

/* ---------- breadcrumb ---------- */
.crumb{color:var(--ink-soft);text-decoration:none}
.crumb:hover{color:var(--moss)}

.callout{border:1.5px solid var(--ink);padding:26px 28px;max-width:70ch}
.callout h3{font-size:1.35rem;margin-bottom:12px}
.callout p:last-child{margin-bottom:0}

ol.steps{counter-reset:s;list-style:none;padding:0;max-width:66ch}
ol.steps li{counter-increment:s;position:relative;padding-left:44px;margin-bottom:20px}
ol.steps li::before{
  content:counter(s,decimal-leading-zero);position:absolute;left:0;top:1px;
  font-family:"IBM Plex Mono",monospace;font-size:.72rem;color:var(--oak);letter-spacing:.1em;
}

footer{padding:48px 0 72px;font-size:.85rem;color:var(--ink-soft)}
footer h4{font-family:"IBM Plex Mono",monospace;font-size:.65rem;letter-spacing:.15em;text-transform:uppercase;color:var(--moss);margin-bottom:12px}
footer ul{padding-left:1.1em;margin:0 0 20px}
footer li{margin-bottom:5px}