/* fact-page.css — fact layer pages (glossary / facts / energy-savings) + hubs.
   Scoped to .fp-* so it never leaks into the site shell. Mobile-first, RTL, numbers LTR. */
.fp-body main{display:block}
.fp-hero{position:relative;padding:112px 0 30px;background:
  radial-gradient(ellipse 700px 420px at 85% 0%, rgba(37,99,235,.10), transparent 70%),
  radial-gradient(ellipse 520px 380px at 5% 100%, rgba(245,158,11,.07), transparent 70%)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:7px;font-size:13px;color:var(--ink-soft,#5C6B62)}
.breadcrumb a{color:var(--ink-soft,#5C6B62);text-decoration:none}
.breadcrumb a:hover{color:var(--accent,#2563EB)}
.breadcrumb-sep{color:var(--ink-faint,#8A949B)}
.breadcrumb-current{color:var(--ink,#1F2024);font-weight:600}
.fp-eyebrow{display:flex;align-items:center;gap:9px;margin-top:18px;font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--accent,#2563EB)}
.fp-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:#F59E0B;flex-shrink:0}
.fp-h1{font-family:'Frank Ruhl Libre','Heebo',serif;font-weight:900;font-size:clamp(28px,4.6vw,46px);line-height:1.12;color:var(--ink,#1F2024);margin:12px 0 0;max-width:26ch}
.fp-en{font-family:'JetBrains Mono',monospace;font-size:13px;letter-spacing:.05em;color:var(--ink-soft,#5C6B62);margin-top:8px;direction:ltr;text-align:right;unicode-bidi:isolate}
.fp-lead{font-size:17px;line-height:1.7;color:var(--ink-soft,#5C6B62);max-width:64ch;margin:14px 0 0}
.fp-answer{margin-top:22px;max-width:72ch;padding:18px 20px;border-radius:14px;background:#fff;border:1px solid var(--line,#E5E2DA);border-right:5px solid var(--accent,#2563EB);box-shadow:0 18px 44px -32px rgba(26,43,51,.25)}
.fp-answer .lbl,.fp-callout .lbl,.fp-service .lbl{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--accent,#2563EB);margin-bottom:6px}
.fp-answer p{margin:0;font-size:18px;line-height:1.75;color:var(--ink,#1F2024);font-weight:500}
.fp-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:13.5px;color:var(--ink-soft,#5C6B62)}
.fp-meta b{color:var(--ink,#1F2024)}
.fp-meta .sep{width:1px;height:14px;background:var(--line,#E3E0D8)}
.fp-mdlink{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--ink-soft,#5C6B62);border:1px solid var(--line,#E3E0D8);border-radius:8px;padding:3px 9px;text-decoration:none;direction:ltr}
.fp-mdlink:hover{border-color:var(--accent,#2563EB);color:var(--accent,#2563EB)}
.fp-main{padding:26px 0 64px;max-width:900px}
.fp-block{margin:0 0 30px}
.fp-block h2,.fp-prose h2{font-size:22px;font-weight:900;color:var(--ink,#1F2024);margin:0 0 12px;line-height:1.3}
.fp-prose h3{font-size:17px;font-weight:800;color:var(--ink,#1F2024);margin:18px 0 8px}
.fp-prose p,.fp-prose li{font-size:17px;line-height:1.8;color:#374151;margin:0 0 12px}
.fp-prose ul,.fp-prose ol{padding-right:22px;margin:0 0 12px}
.fp-tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line,#E5E2DA);border-radius:12px;background:#fff}
.fp-table{width:100%;border-collapse:collapse;font-size:15px;min-width:420px}
.fp-table th,.fp-table td{padding:10px 12px;border-bottom:1px solid var(--line,#EEEBE4);text-align:right;vertical-align:top;line-height:1.5}
.fp-table thead th{background:#F4F6F4;font-size:12.5px;letter-spacing:.04em;color:var(--ink-soft,#5C6B62);font-weight:700}
.fp-table tbody tr:last-child td{border-bottom:0}
.fp-table td.num,.fp-table .num,.ltr{direction:ltr;unicode-bidi:isolate;font-variant-numeric:tabular-nums}
.fp-table td.num{text-align:right}
.fp-facts td b{font-size:16.5px;color:var(--ink,#1F2024)}
.fp-facts .unit{font-size:12.5px;color:var(--ink-soft,#5C6B62)}
.fp-facts a{color:var(--accent,#2563EB);text-decoration:none;font-family:'JetBrains Mono',monospace;font-size:12px}
.fp-note{font-size:13px;color:var(--ink-soft,#5C6B62);margin:8px 2px 0;line-height:1.6}
.fp-callout{margin:0 0 22px;padding:16px 18px;border-radius:12px;background:#fff;border:1px solid var(--line,#E5E2DA)}
.fp-callout p{margin:0;font-size:16px;line-height:1.7;color:#374151}
.fp-formula{border-right:4px solid var(--accent,#2563EB)}
.fp-formula .expr{font-family:'JetBrains Mono',monospace;font-size:16px;color:var(--ink,#1F2024);direction:ltr;text-align:left;overflow-x:auto;padding:4px 0}
.fp-pitfall{border-right:4px solid #F59E0B;background:#FFFBEB}
.fp-pitfall .lbl{color:#B45309}
.fp-faq{border:1px solid var(--line,#E5E2DA);border-radius:12px;background:#fff;padding:0 16px;margin:0 0 10px}
.fp-faq summary{cursor:pointer;list-style:none;padding:14px 0;font-weight:700;font-size:16px;color:var(--ink,#1F2024);display:flex;justify-content:space-between;gap:12px;align-items:center}
.fp-faq summary::-webkit-details-marker{display:none}
.fp-faq summary::after{content:"+";font-weight:400;color:var(--ink-soft,#5C6B62);font-size:20px;flex-shrink:0}
.fp-faq[open] summary::after{content:"–"}
.fp-faq p{margin:0 0 14px;font-size:16px;line-height:1.75;color:#374151}
.fp-sources{padding-right:22px;margin:0;font-size:14.5px;line-height:1.7;color:#374151}
.fp-sources li{margin-bottom:6px}
.fp-sources a{color:var(--accent,#2563EB)}
.fp-author{display:flex;gap:16px;align-items:center;padding:18px 20px;border:1px solid var(--line,#E5E2DA);border-radius:14px;background:#fff;margin:0 0 30px}
.fp-author .avatar{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,#1F2024,#2563EB);color:#fff;font-weight:900;font-size:22px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.fp-author .name{font-weight:800;color:var(--ink,#1F2024);font-size:16px}
.fp-author .creds{font-size:13.5px;color:var(--ink-soft,#5C6B62);line-height:1.6;margin-top:3px}
.fp-author a{font-size:13.5px;color:var(--accent,#2563EB);text-decoration:none;font-weight:600}
.fp-rel{display:flex;flex-wrap:wrap;gap:8px}
.fp-rel a{display:inline-block;padding:8px 13px;border:1px solid var(--line,#E5E2DA);border-radius:10px;background:#fff;color:var(--ink,#1F2024);text-decoration:none;font-size:14px;font-weight:600;line-height:1.4}
.fp-rel a:hover{border-color:var(--accent,#2563EB);color:var(--accent,#2563EB)}
.fp-service{display:flex;gap:18px;align-items:center;justify-content:space-between;padding:22px 24px;border-radius:16px;background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(245,158,11,.08));border:1px solid rgba(37,99,235,.25);margin:26px 0 0}
.fp-service h3{margin:0 0 4px;font-size:19px;font-weight:900;color:var(--ink,#1F2024)}
.fp-service p{margin:0;font-size:14.5px;color:var(--ink-soft,#5C6B62);line-height:1.6}
.fp-btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:12px;background:linear-gradient(135deg,#C29A33,#D97706);color:#1A1206;font-weight:900;font-size:15px;text-decoration:none;white-space:nowrap;min-height:44px;box-shadow:0 12px 28px -12px rgba(245,158,11,.55)}
/* hubs */
.fp-search{margin-top:20px;max-width:720px}
.fp-search input{width:100%;padding:13px 16px;border:1px solid var(--line,#E5E2DA);border-radius:12px;font-size:16px;font-family:inherit;background:#fff;min-height:48px}
.fp-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.fp-chips button{padding:8px 13px;border-radius:999px;border:1px solid var(--line,#E5E2DA);background:#fff;color:var(--ink,#1F2024);font-family:inherit;font-size:13.5px;font-weight:600;cursor:pointer;min-height:36px}
.fp-chips button.on{background:var(--ink,#1F2024);color:#fff;border-color:var(--ink,#1F2024)}
.fp-hub{max-width:1100px}
.fp-group{margin:0 0 32px}
.fp-group h2{font-size:20px;font-weight:900;color:var(--ink,#1F2024);margin:0 0 12px}
.fp-group h2 .cnt{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--ink-soft,#5C6B62);font-weight:600;margin-right:6px}
.fp-grid{display:grid;grid-template-columns:1fr;gap:12px}
.fp-card{display:block;padding:16px 18px;border:1px solid var(--line,#E5E2DA);border-radius:14px;background:#fff;text-decoration:none;transition:border-color .15s,transform .15s}
.fp-card:hover{border-color:var(--accent,#2563EB);transform:translateY(-2px)}
.fp-card .q{font-weight:800;font-size:16px;color:var(--ink,#1F2024);line-height:1.4}
.fp-card .t{font-size:12.5px;color:var(--ink-soft,#5C6B62);margin-top:5px}
.fp-card .a{font-size:14px;color:#374151;line-height:1.6;margin-top:8px}
.fp-empty{color:var(--ink-soft,#5C6B62);padding:12px 0}
.fp-hubnav h2{font-size:18px}
@media(min-width:700px){.fp-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.fp-grid{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:640px){
  .fp-hero{padding:98px 0 24px}
  .fp-answer{padding:14px 15px}
  .fp-answer p{font-size:16.5px}
  .fp-service{flex-direction:column;align-items:flex-start}
  .fp-btn{width:100%;justify-content:center}
  .fp-table{font-size:14px}
}