/* Mobile-first, no external assets, system fonts. */
:root{
  --ink:#1b2430; --muted:#4a5565; --bg:#fffaf5; --card:#ffffff; --line:#e4d9cf;
  --brand:#a63a00; --brand-ink:#ffffff; --accent:#0b4f6c; --warn-bg:#fff3cd; --warn-ink:#5c4400; --ok:#1d6b3a;
  --radius:12px; --max:1080px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
img,svg{max-width:100%}
a{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #ffb703;outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:#000;color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1rem}
.banner{background:var(--warn-bg);color:var(--warn-ink);font-size:.9rem;padding:.5rem 1rem;text-align:center;border-bottom:1px solid #e8d48a}
header.site{background:#fff;border-bottom:1px solid var(--line)}
.bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem;padding:.7rem 0}
.logo{font-weight:800;font-size:1.15rem;color:var(--brand);text-decoration:none;letter-spacing:.2px}
.logo small{display:block;font-weight:600;font-size:.72rem;color:var(--muted)}
nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.25rem .9rem}
nav a{text-decoration:none;font-weight:600;color:var(--ink);padding:.25rem 0;display:inline-block}
nav a:hover{text-decoration:underline}
.btn{display:inline-block;background:var(--brand);color:var(--brand-ink);border:2px solid var(--brand);padding:.75rem 1.2rem;border-radius:999px;font-weight:700;text-decoration:none;font-size:1rem;cursor:pointer;min-height:44px}
.btn:hover{filter:brightness(1.08)}
.btn.alt{background:#fff;color:var(--brand)}
.hero{background:linear-gradient(135deg,#fff1e0,#ffe0c2 55%,#fbd2a5);padding:2.2rem 0 2.6rem}
.hero h1{font-size:clamp(1.7rem,6vw,2.7rem);line-height:1.15;margin:.2rem 0 .6rem}
.hero p{max-width:60ch;font-size:1.08rem}
.cta-row{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.1rem}
section{padding:2rem 0}
section h2{font-size:1.5rem;margin:0 0 .8rem}
.grid{display:grid;gap:1rem}
@media(min-width:700px){.grid.c2{grid-template-columns:1fr 1fr}.grid.c3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem}
.card h3{margin:.1rem 0 .4rem;font-size:1.1rem}
.pill{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;padding:.2rem .7rem;margin:.15rem;font-size:.92rem}
.placeholder{border:2px dashed #c9a66b;background:#fffdf7;color:var(--muted);padding:.9rem;border-radius:var(--radius);font-size:.95rem}
footer.site{background:#1b2430;color:#e9edf3;padding:1.6rem 0;margin-top:2rem;font-size:.92rem}
footer.site a{color:#ffd9b0}
footer .lic{font-weight:800;color:#fff}
/* calculator */
.calc{display:grid;gap:1.2rem}
@media(min-width:900px){.calc{grid-template-columns:1.05fr .95fr;align-items:start}.results{position:sticky;top:.8rem}}
fieldset{border:1px solid var(--line);border-radius:var(--radius);padding:.9rem 1rem 1rem;margin:0 0 1rem;background:#fff}
legend{font-weight:800;padding:0 .4rem}
label{display:block;font-weight:600;margin:.65rem 0 .2rem}
input[type=text],input[type=tel],input[type=email],input[type=number],select,textarea{width:100%;padding:.65rem .7rem;border:1.5px solid #8a8f98;border-radius:8px;font:inherit;background:#fff;color:var(--ink);min-height:44px}
textarea{min-height:90px}
.row2{display:grid;gap:.8rem}
@media(min-width:520px){.row2{grid-template-columns:1fr 1fr}}
.hint{font-size:.88rem;color:var(--muted);margin:.15rem 0 0}
.results .big{font-size:clamp(1.8rem,7vw,2.5rem);font-weight:800;color:var(--brand);line-height:1.1}
.kpi{margin:.2rem 0 .8rem}
.kpi .lab{font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700}
.warnbox{background:var(--warn-bg);color:var(--warn-ink);border:1px solid #e8d48a;border-radius:8px;padding:.6rem .8rem;font-size:.92rem;margin:.6rem 0}
table.fin{border-collapse:collapse;width:100%;font-size:.95rem}
table.fin th,table.fin td{border-bottom:1px solid var(--line);padding:.4rem .3rem;text-align:left}
table.fin td.n{text-align:right;font-variant-numeric:tabular-nums}
details{margin:.6rem 0}
summary{cursor:pointer;font-weight:700}
.items{list-style:none;margin:.4rem 0;padding:0;font-size:.92rem}
.items li{display:flex;justify-content:space-between;gap:.8rem;border-bottom:1px dashed var(--line);padding:.3rem 0}
.items li span:last-child{white-space:nowrap;font-variant-numeric:tabular-nums}
.disclaimer{font-size:.85rem;color:var(--muted)}
.status{margin-top:.8rem;padding:.7rem .9rem;border-radius:8px;font-weight:600}
.status.ok{background:#e4f5ea;color:var(--ok)}
.status.demo{background:#e7f1f6;color:#073a50}
.status.err{background:#fde8e8;color:#8a1c1c}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.check{display:flex;gap:.6rem;align-items:flex-start;font-weight:500}
.check input{width:1.2rem;height:1.2rem;margin-top:.25rem;flex:none}
pre.fallback{white-space:pre-wrap;background:#f6f1ea;border:1px solid var(--line);padding:.7rem;border-radius:8px;font-size:.85rem;max-height:240px;overflow:auto}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}