/* ============================================================
   PRINT GECKO — shared styles.
   The page is an engineering drawing: drafting vellum, ink
   blue-black, the checker's red pencil, safety yellow on the
   one thing you touch.
   Page-specific components live in each page's own <style>.
   ============================================================ */
:root{
  --sheet:#eceff1;      /* drafting vellum — pale blue-grey, not cream */
  --sheet-2:#e2e7ea;
  --card:#f7f9fa;
  --ink:#16202a;        /* drafting ink */
  --steel:#5a6b78;
  --rule:#b3c0c9;
  --rule-soft:#cfd8dd;
  --red:#d0342c;        /* the checker's red pencil */
  --yellow:#ffd23f;     /* safety yellow — the one thing you touch */
  --green:#1c7a4d;

  --display:'Archivo',system-ui,sans-serif;
  --body:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --wrap:1120px;
  --pad:24px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--sheet);color:var(--ink);font-family:var(--body);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
  background-image:
    linear-gradient(var(--rule-soft) 1px,transparent 1px),
    linear-gradient(90deg,var(--rule-soft) 1px,transparent 1px);
  background-size:64px 64px;
  background-position:-1px -1px;
}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}

/* ---------- type ---------- */
h1,h2,h3{font-family:var(--display);font-weight:800;line-height:1.02;letter-spacing:-.025em}
h1{font-size:clamp(40px,8.5vw,84px);text-transform:uppercase}
h2{font-size:clamp(27px,4.6vw,44px);text-transform:uppercase}
h3{font-size:19px;font-weight:600;letter-spacing:-.01em;text-transform:none;line-height:1.25}
p{color:var(--steel);max-width:64ch}
a{color:var(--ink)}

/* the drawing's annotation layer */
.tag{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--red);display:inline-block;
}
.tag.steel{color:var(--steel)}

.zone{display:flex;align-items:baseline;gap:14px;margin-bottom:18px}
.zone::after{content:"";flex:1;height:1px;background:var(--rule)}

/* ---------- title block (header) ---------- */
header{
  position:sticky;top:0;z-index:60;background:rgba(236,239,241,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--ink);
}
.tblock{display:flex;align-items:stretch;height:56px}
.tblock>*{display:flex;align-items:center;padding:0 16px;border-right:1px solid var(--rule)}
.tblock>*:first-child{padding-left:0;border-right:1px solid var(--ink)}
.mark{font-family:var(--display);font-weight:800;font-size:17px;letter-spacing:-.03em;text-transform:uppercase;text-decoration:none;color:var(--ink)}
.mark em{font-style:normal;color:var(--red)}
.meta{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--steel);text-transform:uppercase}
.tblock .spacer{flex:1;border-right:0}
.tblock nav{gap:20px;border-right:0;padding-right:0}
.tblock nav a{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);text-decoration:none}
.tblock nav a:hover,.tblock nav a[aria-current]{color:var(--red)}
@media(max-width:900px){.tblock .meta,.tblock nav a:not(.act){display:none}}

/* ---------- the one thing you touch ---------- */
/* A physical button: it sits proud on a hard shadow, sinks when pressed,
   and lands flush at the bottom of the travel. No fade, no bounce. */
.act{
  font-family:var(--display);font-weight:800;font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  background:var(--yellow);color:var(--ink);border:1.5px solid var(--ink);
  padding:11px 20px;text-decoration:none;display:inline-block;
  box-shadow:3px 3px 0 var(--ink);cursor:pointer;
  transition:transform .11s cubic-bezier(.2,.9,.3,1),
             box-shadow .11s cubic-bezier(.2,.9,.3,1),
             background .16s ease;
  -webkit-tap-highlight-color:transparent;touch-action:manipulation;
}
.act:hover{background:#ffc247;transform:translate(1.5px,1.5px);box-shadow:1.5px 1.5px 0 var(--ink)}
.act:active{transform:translate(3px,3px);box-shadow:0 0 0 var(--ink);transition-duration:.04s}
.act.ghost{background:transparent;box-shadow:none}
.act.ghost:hover{background:var(--card);transform:none}
.act:disabled,.act[aria-busy="true"]{opacity:.45;pointer-events:none;transform:none;box-shadow:3px 3px 0 var(--ink)}
header .act{padding:8px 16px;font-size:12px;box-shadow:2px 2px 0 var(--ink)}

/* every interactive surface settles at the same speed */
a,button,label,input,select,textarea,summary,.chip,.pick,.card{
  -webkit-tap-highlight-color:transparent;
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* ---------- sections ---------- */
section{padding:74px 0;border-top:1px solid var(--rule)}

/* ---------- tables (spec sheet) ---------- */
.sheet{border:1px solid var(--ink);background:var(--card);margin-top:26px;overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:480px}
thead th{
  background:var(--ink);color:var(--sheet);font-family:var(--mono);font-weight:500;
  font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;text-align:left;padding:10px 16px;
}
tbody td{padding:12px 16px;border-bottom:1px solid var(--rule-soft);vertical-align:top}
tbody tr:last-child td{border-bottom:0}
tbody tr:nth-child(even){background:#f1f4f6}
td.n{font-family:var(--mono);font-size:13.5px;white-space:nowrap;font-weight:500}
td.n.hot{color:var(--red)}
td:first-child{font-weight:500}

/* ---------- callout (red pencil in the margin) ---------- */
.callout{border-left:3px solid var(--red);background:var(--card);padding:17px 20px;margin-top:24px}
.callout p{font-size:14.5px;max-width:none;color:var(--ink)}
.callout .tag{margin-bottom:7px}

/* ---------- forms ---------- */
.fld{margin-bottom:17px}
label{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--steel);margin-bottom:7px}
input[type=text],input[type=email],input[type=tel],select,textarea{
  width:100%;background:var(--card);border:1px solid var(--rule);border-radius:0;
  padding:12px 14px;color:var(--ink);font-family:var(--body);font-size:16px;
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--red);outline-offset:-1px;border-color:var(--red)}
textarea{min-height:118px;resize:vertical}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:17px}
@media(max-width:600px){.pair{grid-template-columns:1fr}}
.hint{font-size:13px;color:var(--steel);margin-top:7px}

/* ---------- disclosure ---------- */
details{border:1px solid var(--rule);background:var(--card);margin-top:22px}
summary{padding:15px 20px;cursor:pointer;font-weight:600;font-size:15px;list-style:none;font-family:var(--display);text-transform:uppercase;letter-spacing:.01em}
summary::-webkit-details-marker{display:none}
summary::before{content:"[+]";font-family:var(--mono);color:var(--red);margin-right:9px;font-size:13px}
details[open] summary::before{content:"[−]"}
.terms{padding:2px 20px 20px;border-top:1px solid var(--rule-soft)}
.terms h4{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--red);margin:18px 0 6px}
.terms p{font-size:13.5px;margin-bottom:10px;max-width:none}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--ink);background:var(--card);padding:26px 0;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--steel)}
footer .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;text-transform:uppercase}
footer a{color:var(--ink);text-decoration:none}
footer a:hover{color:var(--red)}

:focus-visible{outline:2px solid var(--red);outline-offset:2px}