/* ============================================================
   Construction Calc HQ — visual polish layer (loads after main.css)
   Refines the existing blue/professional identity: softer shadows,
   smoother cards, a richer hero, refined buttons, nicer content & footer.
   Uses existing CSS variables so dark mode keeps working.
   ============================================================ */

:root{
  --shadow-sm: 0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.04);
  --shadow-md: 0 4px 14px rgba(15,23,42,.07), 0 2px 6px rgba(15,23,42,.05);
  --shadow-lg: 0 18px 40px rgba(15,23,42,.12), 0 6px 14px rgba(15,23,42,.07);
  --shadow-accent: 0 14px 34px rgba(37,99,235,.18);
  --radius: 14px;
}

html{ scroll-behavior:smooth; }
body{ -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; }

::selection{ background:var(--accent-soft); color:var(--accent-deep); }
a, button, input, select, .calc-tile, .btn{ transition:all .18s cubic-bezier(.4,0,.2,1); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible{
  outline:2px solid var(--accent); outline-offset:2px; border-radius:6px;
}

/* ---------- HEADER / NAV ---------- */
.nav-cta{
  background:linear-gradient(180deg,var(--accent),var(--accent-deep));
  color:#fff !important; border:none; box-shadow:var(--shadow-sm);
}
.nav-cta:hover{ box-shadow:var(--shadow-accent); transform:translateY(-1px); }
.nav-links a:not(.nav-cta):hover{ color:var(--accent-deep); }

/* ---------- HERO ---------- */
.hero{
  position:relative;
  background:
    radial-gradient(900px 380px at 88% -8%, var(--accent-soft) 0%, rgba(219,234,254,0) 60%),
    linear-gradient(180deg, var(--bg-warm) 0%, var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:64px 24px 56px;
}
.hero-grid{ max-width:1180px; margin:0 auto; display:grid; grid-template-columns:1.15fr .85fr; gap:48px; align-items:center; }
.hero-eyebrow{
  display:inline-block; font-family:'JetBrains Mono',monospace; font-size:11px;
  letter-spacing:.14em; text-transform:uppercase; color:var(--accent-deep);
  background:var(--accent-soft); padding:6px 12px; border-radius:999px; margin-bottom:18px;
}
.hero h1{
  font-family:'Fraunces',Georgia,serif; font-weight:500; letter-spacing:-.02em;
  font-size:clamp(34px,5vw,56px); line-height:1.05; margin:0 0 18px; color:var(--ink);
}
.hero h1 em{
  font-style:italic;
  background:linear-gradient(120deg,var(--accent),var(--accent-deep));
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
}
.hero p{ font-size:18px; line-height:1.65; color:var(--ink-soft); max-width:560px; margin:0 0 26px; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:12px; margin-bottom:26px; }
.hero-meta{ display:flex; flex-wrap:wrap; gap:10px; }
.hero-meta span{
  display:inline-flex; align-items:center; gap:7px;
  font-size:13px; color:var(--ink-soft); background:var(--paper);
  border:1px solid var(--line); border-radius:999px; padding:6px 13px; box-shadow:var(--shadow-sm);
}
.hero-meta span::before{
  content:""; width:14px; height:14px; flex:none; background:var(--green);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/12px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/12px no-repeat;
}

.btn-primary{
  display:inline-flex; align-items:center; gap:8px; font-weight:600; font-size:15px;
  padding:12px 22px; border-radius:10px; color:#fff !important; border:none; cursor:pointer; text-decoration:none;
  background:linear-gradient(180deg,var(--accent),var(--accent-deep)); box-shadow:var(--shadow-accent);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 20px 40px rgba(37,99,235,.28); }
.btn-outline{
  display:inline-flex; align-items:center; gap:8px; font-weight:600; font-size:15px;
  padding:12px 22px; border-radius:10px; color:var(--ink) !important; text-decoration:none;
  background:var(--paper); border:1px solid var(--line); box-shadow:var(--shadow-sm);
}
.btn-outline:hover{ border-color:var(--accent); color:var(--accent-deep) !important; transform:translateY(-2px); }

.hero-preview{ display:flex; justify-content:center; }
.hp-card{ width:100%; max-width:380px; background:var(--paper); border:1px solid var(--line); border-radius:18px; box-shadow:var(--shadow-lg); padding:22px 22px 20px; transform:rotate(.6deg); }
.hp-head{ display:flex; align-items:center; gap:7px; margin-bottom:18px; }
.hp-dot{ width:10px; height:10px; border-radius:50%; background:var(--line); }
.hp-dot:nth-child(1){ background:#f87171; } .hp-dot:nth-child(2){ background:#fbbf24; } .hp-dot:nth-child(3){ background:#34d399; }
.hp-title{ margin-left:8px; font-family:'JetBrains Mono',monospace; font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-muted); }
.hp-row{ display:flex; justify-content:space-between; align-items:center; padding:9px 0; border-bottom:1px dashed var(--line); font-size:14px; color:var(--ink-soft); }
.hp-row b{ color:var(--ink); font-weight:600; }
.hp-result{ margin-top:16px; background:#0f172a; border-radius:12px; padding:16px 18px; color:#fff; background-image:radial-gradient(420px 120px at 100% 0, rgba(59,130,246,.4), transparent 60%); }
.hp-result-label{ font-family:'JetBrains Mono',monospace; font-size:10px; letter-spacing:.12em; text-transform:uppercase; opacity:.7; }
.hp-result-value{ font-family:'Fraunces',serif; font-size:34px; font-weight:500; line-height:1.1; margin-top:4px; }
.hp-chips{ display:flex; flex-wrap:wrap; gap:8px; margin-top:14px; }
.hp-chips span{ font-size:11.5px; color:var(--accent-deep); background:var(--accent-soft); border-radius:999px; padding:4px 10px; }

/* ---------- SECTION HEADERS ---------- */
.section-eyebrow{ font-family:'JetBrains Mono',monospace; font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--accent-deep); }
.section-title{ font-family:'Fraunces',serif; font-weight:500; letter-spacing:-.02em; }
.section-title em{ font-style:italic; color:var(--accent-deep); }

/* ---------- CALCULATOR TILES (home/category) ---------- */
.calc-grid-related{ gap:16px; }
.calc-tile{ background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow-sm); padding:20px; position:relative; overflow:hidden; }
.calc-tile::after{ content:""; position:absolute; left:0; top:0; height:3px; width:100%; background:linear-gradient(90deg,var(--accent),var(--accent-deep)); transform:scaleX(0); transform-origin:left; transition:transform .22s ease; }
.calc-tile:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lg); border-color:var(--accent-soft); }
.calc-tile:hover::after{ transform:scaleX(1); }
.tile-icon{ width:42px; height:42px; border-radius:11px; display:flex; align-items:center; justify-content:center; background:var(--accent-soft); color:var(--accent-deep); margin-bottom:14px; }
.calc-tile:hover .tile-icon{ background:var(--accent); color:#fff; }
.tile-name{ font-weight:600; color:var(--ink); margin-bottom:4px; }
.tile-desc{ color:var(--ink-muted); font-size:13.5px; line-height:1.5; }

/* ---------- CALCULATOR CARD + RESULT PANEL ---------- */
.calc-card{ border-radius:16px; box-shadow:var(--shadow-md); border:1px solid var(--line); }
.field-group input:focus, .field-group select:focus, .time-input input:focus{ border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft); }
.result-panel{ border-radius:16px; box-shadow:var(--shadow-lg); background-image:radial-gradient(520px 200px at 100% 0, rgba(59,130,246,.28), transparent 60%); }
.result-hours{ font-family:'Fraunces',serif; }
.btn-ghost{ border-radius:9px; }
.btn-ghost:hover{ border-color:var(--accent); color:#fff; background:rgba(59,130,246,.18); }
.tag-verify{ background:var(--green-soft); color:#047857; border-radius:999px; font-weight:600; letter-spacing:.04em; }

/* ---------- HOW-TO ---------- */
.howto{ background:var(--bg-warm); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.howto-left h2{ font-family:'Fraunces',serif; font-weight:500; letter-spacing:-.02em; }
.howto-left h2 em{ color:var(--accent-deep); font-style:italic; }
.step-num{ background:linear-gradient(180deg,var(--accent),var(--accent-deep)); color:#fff; box-shadow:var(--shadow-sm); font-weight:700; }

/* ============================================================
   CALCULATOR-PAGE CONTENT (the prose below each calculator)
   ============================================================ */
.calc-page-prose .prose{ max-width:820px; }
.calc-page-prose .prose > p:first-of-type{
  font-size:18px; line-height:1.65; color:var(--ink-soft);
  padding-bottom:22px; border-bottom:1px solid var(--line); margin-bottom:8px;
}
.calc-page-prose .prose h2{
  font-family:'Fraunces',Georgia,serif; font-weight:500; letter-spacing:-.01em;
  font-size:25px; line-height:1.25; color:var(--ink); margin:40px 0 12px;
  padding-left:16px; position:relative;
}
.calc-page-prose .prose h2::before{
  content:""; position:absolute; left:0; top:.16em; bottom:.16em; width:4px; border-radius:3px;
  background:linear-gradient(180deg,var(--accent),var(--accent-deep));
}
.calc-page-prose .prose h3{
  font-size:17px; font-weight:600; color:var(--ink); margin:26px 0 6px; padding-left:24px; position:relative;
}
.calc-page-prose .prose h3::before{
  content:"Q"; position:absolute; left:0; top:0; font-family:'JetBrains Mono',monospace;
  font-size:13px; font-weight:700; color:var(--accent-deep);
}
.calc-page-prose .prose p{ color:var(--ink-soft); line-height:1.75; margin-bottom:14px; }
.calc-page-prose .prose a{ color:var(--accent-deep); text-underline-offset:2px; }

/* bulleted lists -> accent check markers (not the related-links row) */
.calc-page-prose .prose ul:not(.related-links){ list-style:none; padding-left:0; margin:6px 0 18px; }
.calc-page-prose .prose ul:not(.related-links) li{
  position:relative; padding-left:28px; margin-bottom:10px; color:var(--ink-soft); line-height:1.65;
}
.calc-page-prose .prose ul:not(.related-links) li::before{
  content:""; position:absolute; left:2px; top:.35em; width:16px; height:16px; background:var(--accent);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/14px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/14px no-repeat;
}

/* callouts: soft tinted card */
.calc-page-prose .callout, .prose .callout{
  background:linear-gradient(180deg,var(--accent-soft),var(--bg-warm));
  border-left:3px solid var(--accent); border-radius:0 12px 12px 0;
  box-shadow:var(--shadow-sm); padding:18px 22px; margin:22px 0;
}
.callout-title{ font-family:'JetBrains Mono',monospace; font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--accent-deep); margin-bottom:6px; }

/* related-calculators -> chip links */
.related-links{ list-style:none; padding:0; margin:14px 0 4px; display:flex; flex-wrap:wrap; gap:10px; }
.related-links li{ margin:0; }
.related-links li::before{ display:none !important; }
.related-links a{
  display:inline-flex; align-items:center; gap:8px; text-decoration:none;
  background:var(--paper); border:1px solid var(--line); border-radius:999px;
  padding:9px 16px; font-size:14px; font-weight:500; color:var(--ink) !important; box-shadow:var(--shadow-sm);
}
.related-links a::before{ content:"\2192"; color:var(--accent-deep); font-weight:700; }
.related-links a:hover{ border-color:var(--accent); color:var(--accent-deep) !important; transform:translateY(-2px); box-shadow:var(--shadow-md); }

/* guide prose niceties */
.prose h1{ font-family:'Fraunces',serif; font-weight:500; letter-spacing:-.02em; }
.prose table{ border-radius:10px; overflow:hidden; box-shadow:var(--shadow-sm); }

/* breadcrumb */
.breadcrumb a:hover{ color:var(--accent-deep); }

/* ============================================================
   FOOTER — dark band; ensure links are clearly visible in both themes
   (fixed dark color so it works regardless of --ink in dark mode)
   ============================================================ */
footer{ background:#0f172a !important; border-top:1px solid rgba(255,255,255,.08); }
.footer-brand{ color:#fff; }
.footer-tag{ color:rgba(255,255,255,.62); }
.footer-col h4{ color:rgba(255,255,255,.5) !important; letter-spacing:.14em; }
.footer-col ul li a, .footer-col a{ color:rgba(255,255,255,.78) !important; }
.footer-col ul li a:hover, .footer-col a:hover{ color:#fff !important; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.12); color:rgba(255,255,255,.55); }
.footer-bottom span, .footer-bottom a{ color:rgba(255,255,255,.6) !important; }
.footer-logo-mark, .footer-brand .logo-mark{ filter:brightness(1.4); }

/* ---------- RESPONSIVE ---------- */
@media (max-width:860px){
  .hero-grid{ grid-template-columns:1fr; gap:34px; }
  .hero-preview{ order:-1; }
  .hp-card{ transform:none; }
}
@media (max-width:480px){
  .hero{ padding:40px 18px 36px; }
  .hero-cta{ width:100%; }
  .hero-cta .btn-primary, .hero-cta .btn-outline{ flex:1; justify-content:center; }
}

/* ============================================================
   FAQ HUB + CATEGORY PAGES
   ============================================================ */
.faq-wrap{ max-width:880px; margin:0 auto; padding:8px 24px 64px; }
.faq-hero{ padding:48px 24px 8px; text-align:center; }
.faq-hero .hero-eyebrow{ margin-bottom:14px; }
.faq-hero h1{ font-family:'Fraunces',Georgia,serif; font-weight:500; letter-spacing:-.02em; font-size:clamp(30px,4.4vw,44px); line-height:1.08; margin:0 0 12px; color:var(--ink); }
.faq-hero p{ font-size:17px; color:var(--ink-soft); max-width:620px; margin:0 auto; line-height:1.6; }

/* hub cards */
.faq-hub{ max-width:1080px; margin:0 auto; padding:28px 24px 64px; display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:18px; }
.faq-hub-card{ display:block; text-decoration:none; background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow-sm); padding:22px; position:relative; overflow:hidden; }
.faq-hub-card::after{ content:""; position:absolute; left:0; top:0; height:3px; width:100%; background:linear-gradient(90deg,var(--accent),var(--accent-deep)); transform:scaleX(0); transform-origin:left; transition:transform .22s ease; }
.faq-hub-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lg); border-color:var(--accent-soft); }
.faq-hub-card:hover::after{ transform:scaleX(1); }
.faq-hub-icon{ width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent-deep);display:flex;align-items:center;justify-content:center;margin-bottom:14px; }
.faq-hub-card h3{ font-size:18px; color:var(--ink); margin:0 0 4px; }
.faq-hub-card p{ color:var(--ink-muted); font-size:13.5px; line-height:1.5; margin:0 0 12px; }
.faq-hub-count{ font-family:'JetBrains Mono',monospace; font-size:11px; letter-spacing:.06em; text-transform:uppercase; color:var(--accent-deep); }

/* toolbar: search + chips */
.faq-toolbar{ position:sticky; top:0; z-index:20; background:var(--bg); padding:16px 0 14px; border-bottom:1px solid var(--line); margin-bottom:8px; }
.faq-search{ position:relative; margin-bottom:14px; }
.faq-search input{
  width:100%; box-sizing:border-box; font-size:16px; color:var(--ink);
  padding:14px 16px 14px 44px; border:1px solid var(--line); border-radius:12px; background:var(--paper);
  box-shadow:var(--shadow-sm);
}
.faq-search input:focus{ outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft); }
.faq-search::before{
  content:""; position:absolute; left:15px; top:50%; transform:translateY(-50%); width:18px; height:18px; background:var(--ink-muted);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M21 20l-5.6-5.6a7 7 0 10-1.4 1.4L20 21zM5 10a5 5 0 1110 0 5 5 0 01-10 0z'/%3E%3C/svg%3E") center/18px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M21 20l-5.6-5.6a7 7 0 10-1.4 1.4L20 21zM5 10a5 5 0 1110 0 5 5 0 01-10 0z'/%3E%3C/svg%3E") center/18px no-repeat;
}
.faq-chips{ display:flex; flex-wrap:wrap; gap:8px; }
.faq-chip{
  font:inherit; font-size:13px; cursor:pointer; color:var(--ink-soft);
  background:var(--paper); border:1px solid var(--line); border-radius:999px; padding:7px 14px; transition:all .15s;
}
.faq-chip:hover{ border-color:var(--accent); color:var(--accent-deep); }
.faq-chip.on{ background:linear-gradient(180deg,var(--accent),var(--accent-deep)); color:#fff; border-color:transparent; box-shadow:var(--shadow-sm); }
.faq-count{ font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--ink-muted); margin:14px 0 6px; }

/* group headings + items */
.faq-group h2{ font-family:'Fraunces',serif; font-weight:500; font-size:20px; color:var(--ink); margin:26px 0 10px; padding-bottom:8px; border-bottom:1px solid var(--line); }
.faq-item{ border:1px solid var(--line); border-radius:12px; margin-bottom:10px; background:var(--paper); box-shadow:var(--shadow-sm); overflow:hidden; }
.faq-item.open{ border-color:var(--accent-soft); box-shadow:var(--shadow-md); }
.faq-q{
  width:100%; text-align:left; cursor:pointer; font:inherit; font-size:15.5px; font-weight:600; color:var(--ink);
  background:none; border:none; padding:16px 48px 16px 18px; position:relative; line-height:1.45;
}
.faq-q:hover{ color:var(--accent-deep); }
.faq-q::after{
  content:""; position:absolute; right:18px; top:18px; width:18px; height:18px; background:var(--accent-deep);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M12 5v14M5 12h14' stroke='black' stroke-width='2'/%3E%3C/svg%3E") center/16px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='black' stroke-width='2' d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center/16px no-repeat;
  transition:transform .2s ease;
}
.faq-item.open .faq-q::after{ transform:rotate(135deg); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .25s ease; }
.faq-item.open .faq-a{ max-height:1200px; }
.faq-a p{ margin:0; padding:0 18px 18px; color:var(--ink-soft); line-height:1.7; font-size:14.5px; }
.faq-tag{ display:inline-block; font-family:'JetBrains Mono',monospace; font-size:10px; letter-spacing:.06em; text-transform:uppercase; color:var(--accent-deep); background:var(--accent-soft); border-radius:6px; padding:2px 7px; margin:0 18px 12px; }
#faqNoHits{ text-align:center; color:var(--ink-muted); padding:40px 0; }
.faq-related{ margin-top:36px; padding-top:20px; border-top:1px solid var(--line); }
.faq-related .related-links{ margin-top:10px; }
@media (max-width:560px){ .faq-q{ font-size:15px; } }

/* ============================================================
   FREE TOOLS NETWORK PAGE
   ============================================================ */
.nettools-wrap{ max-width:1120px; margin:0 auto; padding:8px 24px 64px; }
.nettools-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:16px; margin-top:8px; }
.nettool{ display:flex; flex-direction:column; gap:6px; text-decoration:none; background:var(--paper); border:1px solid var(--line); border-radius:14px; box-shadow:var(--shadow-sm); padding:18px 18px 16px; position:relative; overflow:hidden; }
.nettool::after{ content:""; position:absolute; left:0; top:0; height:3px; width:100%; background:linear-gradient(90deg,var(--accent),var(--accent-deep)); transform:scaleX(0); transform-origin:left; transition:transform .22s ease; }
.nettool:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lg); border-color:var(--accent-soft); }
.nettool:hover::after{ transform:scaleX(1); }
.nettool-name{ font-weight:600; color:var(--ink); font-size:16px; }
.nettool-desc{ color:var(--ink-muted); font-size:13.5px; line-height:1.5; flex:1; }
.nettool-url{ font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--accent-deep); display:inline-flex; align-items:center; gap:6px; margin-top:4px; word-break:break-all; }
.nettool-url::after{ content:"\2197"; font-weight:700; }
.nettools-note{ color:var(--ink-muted); font-size:13px; margin-top:24px; }

/* ============================================================
   LIVE CALCULATOR DIAGRAMS
   ============================================================ */
.calc-diagram-section{ max-width:1280px; margin:0 auto; padding:8px 24px 0; }
.calc-diagram-wrap{ background:var(--paper); border:1px solid var(--line); border-radius:16px; box-shadow:var(--shadow-sm); padding:18px 20px 14px; }
.calc-diagram-head{ display:flex; align-items:center; gap:8px; margin-bottom:6px; }
.calc-diagram-head .cd-lbl{ font-family:'JetBrains Mono',monospace; font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--accent-deep); }
.calc-diagram-head .cd-note{ font-size:12px; color:var(--ink-muted); }
#calcDiagram{ width:100%; }
#calcDiagram svg{ width:100%; height:auto; max-height:260px; display:block; }

/* ---- Method & sources trust block (on calculator pages) ---- */
.method-note{
  border:1px solid var(--line);
  border-radius:12px;
  background:linear-gradient(180deg, var(--accent-soft) 0%, var(--paper) 70%);
  padding:18px 22px;
  margin:22px 0 28px;
}
.method-note .mn-head{
  display:flex; align-items:center; gap:8px;
  font-family:'JetBrains Mono',monospace; font-size:10.5px; letter-spacing:.14em;
  text-transform:uppercase; color:var(--accent-deep); margin-bottom:14px;
}
.method-note .mn-head svg{ width:14px; height:14px; flex:0 0 14px; }
.method-note .mn-grid{ display:grid; gap:12px; }
@media(min-width:680px){ .method-note .mn-grid{ grid-template-columns:1fr 1fr; } }
.method-note .mn-item{ display:flex; flex-direction:column; gap:3px; }
.method-note .mn-item.mn-wide{ grid-column:1 / -1; }
.method-note .mn-lbl{
  font-family:'JetBrains Mono',monospace; font-size:10px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--ink-muted);
}
.method-note .mn-val{ font-size:13.5px; color:var(--ink-soft); line-height:1.5; }
.method-note .mn-val a{ color:var(--accent-deep); text-decoration:underline; text-underline-offset:2px; }
.method-note .mn-rev{
  display:flex; align-items:center; gap:7px;
  margin-top:14px; padding-top:13px; border-top:1px dashed var(--line);
  font-size:12.5px; color:var(--ink-muted);
}
.method-note .mn-rev svg{ width:14px; height:14px; flex:0 0 14px; color:var(--green); }
.method-note .mn-rev b{ color:var(--ink-soft); font-weight:600; }

/* ---- Calculator edge states (empty / invalid) on the dark result panel ---- */
.result-panel .calc-state{
  display:none;
  align-items:flex-start; gap:9px;
  margin:0 0 18px; padding:11px 13px;
  border-radius:8px;
  font-size:13px; line-height:1.45;
  color:var(--bg);
  background:color-mix(in srgb, var(--bg) 13%, transparent);
  border:1px solid color-mix(in srgb, var(--bg) 24%, transparent);
}
.result-panel .calc-state svg{ width:16px; height:16px; flex:0 0 16px; margin-top:1px; opacity:.9; }
.result-panel .calc-state.invalid{
  background:color-mix(in srgb, var(--gold) 24%, transparent);
  border-color:color-mix(in srgb, var(--gold) 55%, transparent);
}
.result-panel .calc-state.invalid svg{ color:var(--gold); opacity:1; }
/* dim the placeholder figures while no valid result is shown */
.result-panel.is-pending .result-hours,
.result-panel.is-pending .result-decimal,
.result-panel.is-pending .result-row .value{ opacity:.32; transition:opacity .18s ease; }
.result-panel .result-hours,
.result-panel .result-row .value{ transition:opacity .18s ease; }

/* graceful pre-JS fallback: keep the placeholder readable, never show NaN */
.result-hours:empty::after{ content:"—"; }

/* ---- Small-consistency normalization (applies site-wide via CSS, no per-page edits) ---- */
.calc-page-prose{ padding-top:32px; }
.calc-section + .calc-diagram-section{ margin-top:8px; }
.calc-diagram-section + .calc-page-prose{ padding-top:24px; }
.result-panel .calc-actions{ margin-top:20px; }
.result-panel .calc-actions .btn{ transition:transform .12s ease, background .15s ease, border-color .15s ease; }
.result-panel .calc-actions .btn:active{ transform:scale(.97); }
/* subtle feedback when an input is focused */
.calc-body input:focus, .calc-body select:focus{ outline:none; box-shadow:0 0 0 3px var(--accent-soft); border-radius:4px; }

/* ---- Diagram loading state: shimmer until diagram.js injects the SVG ---- */
#calcDiagram:empty{
  display:block; min-height:160px; border-radius:8px;
  background:linear-gradient(100deg, var(--line) 30%, var(--paper) 50%, var(--line) 70%);
  background-size:200% 100%; animation:cchq-shimmer 1.2s linear infinite;
}
@keyframes cchq-shimmer{ from{background-position:200% 0} to{background-position:-200% 0} }
@media (prefers-reduced-motion: reduce){ #calcDiagram:empty{ animation:none; } }

/* ===== Slightly larger, more readable type site-wide ===== */
body{ font-size:17px; }
.prose p, .prose li{ font-size:17px; line-height:1.75; }
.prose ul, .prose ol{ color:var(--ink-soft); }
.prose table{ font-size:15px; }
.prose th{ font-size:12.5px; }
.prose code{ font-size:13.5px; }
.method-note .mn-val{ font-size:14px; }
.footer-tag{ font-size:14.5px; }
.faq-hero p{ font-size:18px; }

/* ===== FAQ: answers always visible (no forced click) ===== */
.faq-a{ max-height:none !important; overflow:visible !important; border-top:1px solid var(--line); }
.faq-a .faq-tag{ margin-top:14px; }
.faq-a p{ padding:8px 18px 18px; font-size:16px; color:var(--ink-soft); line-height:1.75; }
.faq-a > p:first-child{ padding-top:14px; }
.faq-q{ cursor:default; font-size:17px; padding-right:18px; }
.faq-q:hover{ color:var(--ink); }
.faq-q::after{ display:none !important; }
.faq-item.open{ border-color:var(--line); box-shadow:var(--shadow-sm); }
@media (max-width:560px){ .faq-q{ font-size:16px; } }

/* ===== Embed mode: calculator rendered inside an iframe on another site ===== */
html.embed, html.embed body{ background:transparent !important; }
html.embed .topbar, html.embed header, html.embed .breadcrumb,
html.embed footer, html.embed .calc-page-prose, html.embed .method-note,
html.embed #btn_embed{ display:none !important; }
html.embed .calc-section{ padding:12px !important; }
html.embed .calc-grid{ grid-template-columns:1fr !important; gap:16px; max-width:540px; margin:0 auto; }
html.embed .result-panel{ position:static !important; }
html.embed .calc-diagram-section{ max-width:540px; margin:0 auto; padding:0 12px; }
.embed-credit{ display:none; }
html.embed .embed-credit{
  display:flex; align-items:center; justify-content:center; gap:6px;
  max-width:540px; margin:12px auto 18px; padding:0 12px;
  font:500 12.5px/1.4 'Geist',system-ui,sans-serif; color:var(--ink-muted);
}
html.embed .embed-credit a{ color:var(--accent-deep); text-decoration:none; font-weight:600; }
html.embed .embed-credit a:hover{ text-decoration:underline; }

/* Embed-snippet dialog (shown on the normal page) */
.embed-modal{ position:fixed; inset:0; background:rgba(15,23,42,.55); display:none; align-items:center; justify-content:center; z-index:1000; padding:20px; }
.embed-modal.open{ display:flex; }
.embed-box{ background:var(--paper); color:var(--ink); border:1px solid var(--line); border-radius:14px; box-shadow:var(--shadow-lg); max-width:540px; width:100%; padding:24px; }
.embed-box h3{ margin:0 0 6px; font-family:'Fraunces',Georgia,serif; font-weight:500; font-size:21px; }
.embed-box p{ margin:0 0 14px; font-size:13.5px; color:var(--ink-muted); line-height:1.5; }
.embed-box textarea{ width:100%; height:130px; box-sizing:border-box; font-family:'JetBrains Mono',monospace; font-size:12px; line-height:1.5; border:1px solid var(--line); border-radius:8px; padding:11px; resize:vertical; color:var(--ink); background:var(--bg-warm); }
.embed-box .embed-actions{ display:flex; gap:10px; margin-top:16px; justify-content:flex-end; }
.embed-box .embed-actions .btn{ cursor:pointer; }

/* ===== Make the small uppercase "eyebrow" labels clearer (bolder + bigger) ===== */
.section-eyebrow,
.faq-hub-count,
.faq-count{
  font-weight:700 !important;
  font-size:13px !important;
  letter-spacing:.1em !important;
}
.hero-eyebrow{ font-weight:700 !important; font-size:12px !important; }
/* lift the faint "· N" count next to category labels */
.section-eyebrow span[style*="opacity"]{ opacity:.72 !important; }
/* diagram + method-note labels in the same family, nudged for legibility */
.calc-diagram-head .cd-lbl,
.method-note .mn-head{ font-weight:700; }

/* ===== Adsterra ad banner (below nav header, above breadcrumb) ===== */
.ad-banner{
  display:flex; justify-content:center; align-items:center;
  padding:12px 16px; min-height:64px;
  background:var(--bg-warm); border-bottom:1px solid var(--line);
}
.ad-banner-inner{ margin:0 auto; line-height:0; }
.ad-banner-inner.desktop{ display:block; }
.ad-banner-inner.mobile{ display:none; }
@media (max-width:768px){
  .ad-banner{ min-height:56px; padding:8px; }
  .ad-banner-inner.desktop{ display:none; }
  .ad-banner-inner.mobile{ display:block; }
}
/* never show ads inside an embedded calculator */
html.embed .ad-banner{ display:none !important; }
@media print{ .ad-banner{ display:none !important; } }