/* Shared design system — calm, easy-on-the-eyes theme.
   Warm paper background, muted accents, generous whitespace. No frameworks. */
/* Self-hosted display font for Hub 2 (jobsite). Loads lazily, only when used. */
@font-face{
  font-family:"Barlow Condensed";font-style:normal;font-weight:600;font-display:swap;
  src:url("fonts/barlow-condensed-600.woff2") format("woff2");
}
@font-face{
  font-family:"Barlow Condensed";font-style:normal;font-weight:700;font-display:swap;
  src:url("fonts/barlow-condensed-700.woff2") format("woff2");
}
*,*::before,*::after{box-sizing:border-box}
:root{
  --accent:#3e8266;
  --accent-deep:#2c5f4a;
  --ink:#2b2f33;
  --muted:#6f747c;
  --line:#e9e4dc;
  --bg:#fbfaf7;
  --soft:#f3f0ea;
  --card:#ffffff;
  --radius:16px;
}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;line-height:1.7;
}
.wrap{max-width:860px;margin:0 auto;padding:0 22px}
h1{font-size:clamp(1.65rem,4vw,2.3rem);line-height:1.25;margin:0.7em 0 0.35em;letter-spacing:-0.01em;font-weight:750}
h2{font-size:1.3rem;margin:2.6em 0 0.7em;letter-spacing:-0.01em;font-weight:700}
.lede{font-size:1.08rem;color:var(--muted);margin:0 0 2em;max-width:58ch}
a{color:var(--accent-deep);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}

/* header */
.site-header{background:rgba(251,250,247,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:15px 22px}
.brand{font-weight:800;font-size:1.22rem;color:var(--ink);text-decoration:none;letter-spacing:-0.02em}
.brand::before{content:"";display:inline-block;width:11px;height:11px;border-radius:50%;background:var(--accent);margin-right:10px;vertical-align:baseline}
.site-nav a{margin-left:24px;color:var(--muted);text-decoration:none;font-weight:600;font-size:0.95rem}
.site-nav a:hover{color:var(--ink)}
.crumbs{font-size:0.83rem;color:var(--muted);margin:20px 0 0}
.crumbs a{color:var(--muted);text-decoration:none}
.hazard{display:none}

/* tool card */
.tool-card{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:var(--radius);padding:32px;margin:0 0 10px;box-shadow:0 1px 3px rgba(60,50,40,.05),0 8px 24px rgba(60,50,40,.05)}
.field{margin-bottom:20px}
.field label{display:block;font-weight:700;margin-bottom:8px;font-size:0.97rem}
.field .hint{font-weight:400;color:var(--muted);font-size:0.85rem;margin-top:7px;line-height:1.5}
.input-row{display:flex;align-items:stretch}
.input-prefix{
  display:flex;align-items:center;padding:0 15px;background:var(--soft);border:1px solid var(--line);
  border-right:0;border-radius:12px 0 0 12px;color:var(--muted);font-weight:700;
}
input[type=number],input[type=text],select{
  width:100%;font-size:1.06rem;padding:14px 16px;border:1px solid var(--line);border-radius:12px;
  background:var(--bg);color:var(--ink);font-family:inherit;transition:border-color .15s,box-shadow .15s;
}
.input-row input{border-radius:0 12px 12px 0}
input:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}
input.invalid{border-color:#b35548;box-shadow:0 0 0 3px rgba(179,85,72,.14)}
.field-error{color:#a34a3e;font-size:0.85rem;margin-top:7px;display:none}
.field-error.show{display:block}
.check-row{display:flex;align-items:center;gap:11px;font-weight:600;cursor:pointer}
.check-row input{width:20px;height:20px;accent-color:var(--accent);cursor:pointer}

/* result */
.result{background:color-mix(in srgb,var(--accent) 7%,var(--soft));border:1px solid var(--line);border-radius:14px;padding:26px;margin-top:24px}
.result-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px}
.result-label{font-size:0.78rem;text-transform:uppercase;letter-spacing:0.09em;color:var(--muted);font-weight:700}
.result-headline{font-size:clamp(1.7rem,5vw,2.3rem);font-weight:800;letter-spacing:-0.02em;color:var(--accent-deep);margin-top:4px}
.result-actions{display:flex;gap:8px;flex-shrink:0}
.btn-ghost{
  border:1px solid var(--line);background:var(--card);border-radius:10px;padding:9px 16px;font-size:0.9rem;
  font-weight:700;color:var(--muted);cursor:pointer;white-space:nowrap;transition:all .15s;
}
.btn-ghost:hover{color:var(--ink);border-color:var(--muted)}
.result-rows{margin:20px 0 0;padding:0;display:grid;gap:0}
.result-rows>div{display:flex;justify-content:space-between;gap:18px;padding:11px 0;border-top:1px solid var(--line)}
.result-rows dt{color:var(--muted)}
.result-rows dd{margin:0;font-weight:700;text-align:right}
.result-note{font-size:0.9rem;color:var(--muted);margin:16px 0 0;line-height:1.6}
.privacy-note{font-size:0.82rem;color:var(--muted);margin:18px 0 0;text-align:center}

/* explainer + faq */
.explainer p,.explainer li{max-width:66ch}
.explainer code{background:var(--soft);border:1px solid var(--line);border-radius:7px;padding:2px 8px;font-size:0.9em}
.faqs details{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:var(--card)}
.faqs summary{padding:16px 20px;font-weight:700;cursor:pointer;list-style:none}
.faqs summary::-webkit-details-marker{display:none}
.faqs summary::after{content:"+";float:right;color:var(--accent);font-size:1.25rem;line-height:1.2;font-weight:400}
.faqs details[open] summary::after{content:"–"}
.faqs details p{padding:0 20px 18px;margin:0;color:var(--muted);line-height:1.65}

/* tool grid */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.tool-grid a{
  display:block;border:1px solid var(--line);border-radius:12px;padding:17px 19px;text-decoration:none;
  color:var(--ink);font-weight:700;background:var(--card);transition:border-color .15s,box-shadow .15s,transform .15s;
}
.tool-grid a span{display:block;font-weight:400;color:var(--muted);font-size:0.86rem;margin-top:4px;line-height:1.5}
.tool-grid a:hover{border-color:var(--accent);box-shadow:0 4px 14px rgba(60,50,40,.07);transform:translateY(-1px)}

/* hero (hub index) */
.hero{padding:52px 0 12px;text-align:center}
.hero h1{margin-bottom:0.25em}
.hero .lede{margin:0 auto 2em}
.search-box{max-width:520px;margin:0 auto 10px}
.search-box input{border-radius:999px;padding:16px 24px;font-size:1.05rem;background:var(--card);box-shadow:0 2px 14px rgba(60,50,40,.07)}

/* footer */
.site-footer{border-top:1px solid var(--line);margin-top:64px;background:var(--soft)}
.footer-inner{display:flex;justify-content:space-between;gap:30px;padding:38px 22px;flex-wrap:wrap}
.footer-inner p{color:var(--muted);font-size:0.92rem;max-width:44ch;margin:10px 0 0;line-height:1.65}
.footer-nav{display:flex;gap:22px;flex-wrap:wrap;align-content:flex-start}
.footer-nav a{color:var(--muted);text-decoration:none;font-size:0.92rem;font-weight:600}
.footer-nav a:hover{color:var(--ink)}
.footer-base{padding:0 22px 30px;color:var(--muted);font-size:0.82rem}

/* static legal pages */
.legal h1{margin-top:0.8em}
.legal p,.legal li{max-width:66ch;color:#33373c}

@media (max-width:560px){
  .tool-card{padding:24px 18px}
  .result-head{flex-direction:column}
  body{font-size:16px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* ---- per-hub accents (light) ---- */
html[data-hub="hub1"]{--accent:#00a651;--accent-deep:#007a3d}
html[data-hub="hub2"]{--accent:#a86a3c;--accent-deep:#7d4e28}
html[data-hub=""]{--accent:#3e8266;--accent-deep:#2c5f4a}

/* ---- dark mode: follows the visitor's system setting, zero UI to maintain ---- */
@media (prefers-color-scheme:dark){
  :root{
    --ink:#e9e6e0;
    --muted:#a6abb3;
    --line:#2c3136;
    --bg:#16181b;
    --soft:#1d2125;
    --card:#1c2024;
  }
  html[data-hub="hub1"]{--accent:#4ade80;--accent-deep:#9ff0bd}
  html[data-hub="hub2"]{--accent:#cf9260;--accent-deep:#e5b183}
  html[data-hub=""]{--accent:#7fb894;--accent-deep:#a9d9bc}
  body{background:var(--bg)}
  .site-header{background:rgba(22,24,27,.92)}
  .tool-card,.faqs details,.tool-grid a,.search-box input{box-shadow:none}
  .tool-card{box-shadow:0 1px 2px rgba(0,0,0,.3)}
  input[type=number],input[type=text],select{background:#141619}
  .input-prefix{background:#141619}
  .explainer code{background:#141619}
  .legal p,.legal li{color:#c9cdc9}
  ::selection{background:color-mix(in srgb,var(--accent) 35%,transparent)}
}

/* ================= HUB 2 — JOBSITE THEME (safety yellow on charcoal) ================= */
html[data-hub="hub2"]{
  --accent:#ffd100;
  --accent-deep:#ffd100;
  --ink:#f4f1e8;
  --muted:#b3ac9c;
  --line:#3a352b;
  --bg:#141311;
  --soft:#1d1b17;
  --card:#1a1815;
  --display:"Barlow Condensed","Arial Narrow","Helvetica Neue",sans-serif;
}
html[data-hub="hub2"] body{
  background-color:#0c0b0a;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:220px 220px,220px 220px,44px 44px,44px 44px;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
html[data-hub="hub2"] .hazard{
  display:block;height:10px;
  background:repeating-linear-gradient(-45deg,var(--accent) 0 18px,#0e0d0b 18px 36px);
}
html[data-hub="hub2"] .site-header{background:#0e0d0b;border-bottom:0}
html[data-hub="hub2"] .brand{
  color:var(--accent);font-family:var(--display);font-weight:700;
  text-transform:uppercase;letter-spacing:.05em;font-size:1.55rem;
}
html[data-hub="hub2"] .brand::before{
  background:var(--accent);border-radius:2px;transform:rotate(45deg);
  width:12px;height:12px;
}
html[data-hub="hub2"] .site-nav a{
  color:var(--muted);text-transform:uppercase;letter-spacing:.07em;
  font-size:.83rem;font-weight:700;
}
html[data-hub="hub2"] .site-nav a:hover{color:var(--accent)}
html[data-hub="hub2"] a{color:var(--accent)}
html[data-hub="hub2"] h1{
  font-family:var(--display);font-weight:700;text-transform:uppercase;
  letter-spacing:.015em;color:#fff;
}
html[data-hub="hub2"] h1::after{
  content:"";display:block;width:76px;height:6px;
  background:var(--accent);margin-top:14px;
}
html[data-hub="hub2"] h2{
  font-family:var(--display);font-weight:700;text-transform:uppercase;
  letter-spacing:.04em;color:#fff;
}
html[data-hub="hub2"] .crumbs{color:var(--muted)}
html[data-hub="hub2"] .crumbs a{color:var(--muted)}
html[data-hub="hub2"] .tool-card{
  border:2px solid var(--accent);border-top:2px solid var(--accent);
  background:var(--card);box-shadow:0 4px 22px rgba(0,0,0,.45);
}
html[data-hub="hub2"] .field label{
  color:var(--accent);font-family:var(--display);font-weight:700;
  text-transform:uppercase;letter-spacing:.05em;font-size:1.08rem;
}
html[data-hub="hub2"] .field .hint{color:var(--muted)}
html[data-hub="hub2"] input[type=number],
html[data-hub="hub2"] input[type=text],
html[data-hub="hub2"] select{
  background:#0f0e0c;border-color:var(--line);color:var(--ink);
}
html[data-hub="hub2"] .input-prefix{background:#0f0e0c;border-color:var(--line);color:var(--accent)}
html[data-hub="hub2"] input:focus,
html[data-hub="hub2"] select:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(255,209,0,.22);
  outline:none;
}
html[data-hub="hub2"] .check-row input{accent-color:var(--accent)}
html[data-hub="hub2"] .result{border:2px solid var(--accent);background:#14120e}
html[data-hub="hub2"] .result-label{color:var(--muted)}
html[data-hub="hub2"] .result-headline{
  font-family:var(--display);font-weight:700;text-transform:uppercase;
  color:var(--accent);font-size:clamp(2.3rem,7vw,3.4rem);letter-spacing:.01em;
}
html[data-hub="hub2"] .result-rows dt{color:var(--muted)}
html[data-hub="hub2"] .result-rows dd{color:var(--ink)}
html[data-hub="hub2"] .btn-ghost{
  border:2px solid var(--accent);color:var(--accent);background:transparent;
  font-family:var(--display);font-weight:700;text-transform:uppercase;
  letter-spacing:.06em;border-radius:8px;
}
html[data-hub="hub2"] .btn-ghost:hover{background:var(--accent);color:#141414;border-color:var(--accent)}
html[data-hub="hub2"] .privacy-note{color:var(--muted)}
html[data-hub="hub2"] .explainer p,
html[data-hub="hub2"] .explainer li{color:#d8d2c2}
html[data-hub="hub2"] .explainer code{background:#0f0e0c;border-color:var(--line);color:var(--accent)}
html[data-hub="hub2"] .explainer strong{color:#fff}
html[data-hub="hub2"] .faqs details{background:var(--card);border-color:var(--line)}
html[data-hub="hub2"] .faqs summary{
  color:#fff;font-family:var(--display);font-weight:700;
  text-transform:uppercase;letter-spacing:.04em;font-size:1.12rem;
}
html[data-hub="hub2"] .faqs details p{color:var(--muted)}
html[data-hub="hub2"] .tool-grid a{
  border:2px solid var(--line);background:var(--card);color:var(--accent);
  font-family:var(--display);font-weight:700;text-transform:uppercase;
  letter-spacing:.04em;font-size:1.15rem;
}
html[data-hub="hub2"] .tool-grid a span{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  text-transform:none;letter-spacing:0;color:var(--muted);font-weight:400;
}
html[data-hub="hub2"] .tool-grid a{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
html[data-hub="hub2"] .tool-grid a:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 10px 30px rgba(0,0,0,.55),0 0 24px rgba(255,209,0,.22)}
html[data-hub="hub2"] .tool-grid a .tool-icon{transition:transform .18s ease,box-shadow .18s ease}
html[data-hub="hub2"] .tool-grid a:hover span.tool-icon{transform:scale(1.08) rotate(-4deg);box-shadow:0 0 20px rgba(255,209,0,.35)}
html[data-hub="hub2"] .hero{padding:60px 0 14px}
html[data-hub="hub2"] .hero h1{font-size:clamp(2.6rem,8vw,4.2rem);text-align:center}
html[data-hub="hub2"] .hero h1::after{margin:16px auto 0}
html[data-hub="hub2"] .hero .lede{text-align:center;color:var(--muted)}
html[data-hub="hub2"] .search-box input{
  border:2px solid var(--accent);background:#0f0e0c;color:var(--ink);
  box-shadow:0 4px 18px rgba(0,0,0,.4);
}
html[data-hub="hub2"] .site-footer{background:#0e0d0b;border-top:0;margin-top:72px}
html[data-hub="hub2"] .site-footer::before{
  content:"";display:block;height:10px;
  background:repeating-linear-gradient(-45deg,var(--accent) 0 18px,#0e0d0b 18px 36px);
}
html[data-hub="hub2"] .footer-inner strong{
  color:var(--accent);font-family:var(--display);text-transform:uppercase;
  letter-spacing:.05em;font-size:1.2rem;
}
html[data-hub="hub2"] ::selection{background:var(--accent);color:#141414}
html[data-hub="hub2"] .diagram{color:var(--accent);text-align:center;margin:4px 0 10px}
html[data-hub="hub2"] .diagram svg{max-width:100%;height:auto}
html[data-hub="hub2"] .legal p,html[data-hub="hub2"] .legal li{color:#c9c3b4}
html[data-hub="hub2"] .legal strong{color:#fff}

/* ============ HUB 2 — BOLD PASS (match the jobsite mockups) ============ */
html[data-hub="hub2"] .hazard{height:14px}
html[data-hub="hub2"] .header-inner{padding-top:18px;padding-bottom:18px}
html[data-hub="hub2"] .brand{font-size:1.9rem}
html[data-hub="hub2"] h1{font-size:clamp(2.8rem,9vw,4.6rem);line-height:.95}
html[data-hub="hub2"] h1::after{width:110px;height:8px;margin-top:16px}
html[data-hub="hub2"] .lede{
  color:var(--accent);font-family:var(--display);font-weight:700;
  text-transform:uppercase;letter-spacing:.09em;font-size:1.02rem;
}
html[data-hub="hub2"] .tool-card{border-width:3px}
html[data-hub="hub2"] .field label{font-size:1.25rem}
html[data-hub="hub2"] input[type=number],
html[data-hub="hub2"] input[type=text],
html[data-hub="hub2"] select{border-width:2px;font-size:1.05rem;padding:13px 14px}
html[data-hub="hub2"] .result{border-width:3px}
html[data-hub="hub2"] .result-label{
  color:var(--accent);font-family:var(--display);font-weight:700;
  text-transform:uppercase;letter-spacing:.1em;font-size:1rem;
}
html[data-hub="hub2"] .result-headline{font-size:clamp(3rem,11vw,4.8rem);line-height:1}
html[data-hub="hub2"] .btn-ghost{
  background:var(--accent);border-color:var(--accent);color:#141414;
  font-size:1.05rem;padding:13px 22px;
}
html[data-hub="hub2"] .btn-ghost:hover{background:#ffe14d;border-color:#ffe14d;color:#141414}
html[data-hub="hub2"] .faqs summary{list-style:none;position:relative;padding-right:52px}
html[data-hub="hub2"] .faqs summary::-webkit-details-marker{display:none}
html[data-hub="hub2"] .faqs summary::after{
  content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:50%;background:var(--accent);color:#141414;
  font-family:var(--display);font-weight:700;font-size:1.35rem;line-height:30px;text-align:center;
}
html[data-hub="hub2"] .faqs details[open] summary::after{content:"–"}
html[data-hub="hub2"] .tool-grid a{border-width:3px}
html[data-hub="hub2"] .hero{padding:72px 0 18px}
html[data-hub="hub2"] .hero h1{font-size:clamp(3rem,10vw,5.2rem)}
html[data-hub="hub2"] .search-box input{border-width:3px;font-size:1.05rem;padding:16px 18px}
/* Hub 2 tool-card line icons */
html[data-hub="hub2"] .tool-grid a span.tool-icon{display:flex;align-items:center;justify-content:center;width:88px;height:88px;border:3px solid var(--accent);border-radius:50%;color:var(--accent);margin:0 auto 14px}
html[data-hub="hub2"] .tool-grid a span.tool-icon svg{width:52px;height:52px;display:block}
html[data-hub="hub2"] .tool-grid a{text-align:center}

/* ============ HUB 2 — TOOL PAGE LAYOUT (B3: diagram + inputs side by side, banner result) ============ */
html[data-hub="hub2"] .tool-top{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:30px;align-items:start;margin:26px 0 8px}
html[data-hub="hub2"] .tool-top .diagram{margin:0;align-self:center;grid-column:1;grid-row:1}
html[data-hub="hub2"] .tool-top .tool-card{grid-column:2;grid-row:1;margin:0}
/* result: dark card, only the headline block is yellow */
html[data-hub="hub2"] .tool-top .result{grid-column:1/-1;background:var(--card);border:3px solid var(--accent);border-radius:16px;padding:0;margin-top:4px;overflow:hidden;box-shadow:0 6px 26px rgba(0,0,0,.4)}
html[data-hub="hub2"] .tool-top .result-head{display:block;background:var(--accent);padding:20px 26px 16px;text-align:center}
html[data-hub="hub2"] .tool-top .result-label{display:none}
html[data-hub="hub2"] .tool-top .result-subline{color:#141414;font-family:var(--display);font-weight:700;text-transform:uppercase;letter-spacing:.05em;font-size:1.02rem;margin-top:10px;opacity:.82}
html[data-hub="hub2"] .tool-top .result-headline{color:#141414;text-wrap:balance;margin-left:auto;margin-right:auto;font-size:clamp(2rem,6vw,3rem);line-height:1.05}
html[data-hub="hub2"] .tool-top .result-actions{display:flex;justify-content:center;margin-top:16px}
html[data-hub="hub2"] .tool-top .result .btn-ghost{background:#141414;border-color:#141414;color:var(--accent)}
html[data-hub="hub2"] .tool-top .result .btn-ghost:hover{background:#000;border-color:#000;color:#ffe14d}
html[data-hub="hub2"] .tool-top .result-rows{margin:0;padding:6px 28px 4px}
html[data-hub="hub2"] .tool-top .result-note{margin:0;padding:14px 28px 26px}
html[data-hub="hub2"] .tool-top .privacy-note{grid-column:1/-1;text-align:center;margin:6px 0 0}
/* CALCULATE button */
html[data-hub="hub2"] .btn-calc{display:block;width:100%;margin-top:22px;padding:16px;border:none;border-radius:10px;background:var(--accent);color:#141414;cursor:pointer;font-family:var(--display);font-weight:700;font-size:1.35rem;text-transform:uppercase;letter-spacing:.07em}
html[data-hub="hub2"] .btn-calc:hover{background:#ffe14d}
html[data-hub="hub2"] .btn-calc:active{transform:translateY(1px)}
/* related cards: smaller icons */
html[data-hub="hub2"] .related .tool-grid a span.tool-icon{width:60px;height:60px;border-width:2px;margin-bottom:10px}
html[data-hub="hub2"] .related .tool-grid a span.tool-icon svg{width:34px;height:34px}
/* portrait / narrow: stack everything, diagram stays visible on top */
@media (max-width:860px){
  html[data-hub="hub2"] .tool-top{grid-template-columns:1fr;gap:22px}
  html[data-hub="hub2"] .tool-top .diagram{grid-column:1;grid-row:1;max-width:420px;width:100%;margin:0 auto;display:block}
  html[data-hub="hub2"] .tool-top .tool-card{grid-column:1;grid-row:2}
  html[data-hub="hub2"] .tool-top .result{grid-column:1;grid-row:3}
  html[data-hub="hub2"] .tool-top .privacy-note{grid-column:1;grid-row:4}
}