/* Kalkulator + sticky TOC + progress (avangard) */
.calc-block{margin:28px 0;padding:26px 30px;border-radius:14px;background:linear-gradient(135deg,#252d15,#12170a);border:1px solid rgba(168,184,94,.3);color:#f2efe4}
.calc-title{font-family:'Anton','Oswald',sans-serif;font-size:22px;letter-spacing:1px;text-transform:uppercase;color:#fff;margin:0 0 6px}
.calc-sub{font-size:15px;opacity:.9;margin:0 0 16px}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.calc-grid .calc-spec{grid-column:1 / -1;}
.calc-grid .calc-kl{grid-column:1 / -1;} @media (max-width:680px){.calc-grid .calc-spec,.calc-grid .calc-kl{grid-column:auto}}
.calc-field{display:flex;flex-direction:column;gap:6px}
.calc-label{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:#a8b85e}
.calc-sel{background:#0c0e07;color:#f2efe4;border:1px solid rgba(168,184,94,.4);padding:11px 12px;border-radius:8px;font-size:15px;font-family:inherit}
.calc-sel option{background:#0c0e07}
.calc-result{background:#0c0e07;border:1px solid rgba(168,184,94,.25);border-radius:10px;padding:16px 18px;margin-bottom:16px}
.calc-num{font-family:'Anton','Oswald',sans-serif;font-size:38px;line-height:1.1;color:#a8b85e}
.calc-note{font-size:12px;opacity:.75;margin-top:6px}
.calc-btn{display:inline-block;background:#f2efe4;color:#1a1a2e;border:none;padding:13px 30px;font-family:'Anton','Oswald',sans-serif;font-size:15px;letter-spacing:1px;text-transform:uppercase;font-weight:700;border-radius:8px;cursor:pointer}
.calc-btn:hover{background:#d8d4c2}
.article-toc{position:static;max-height:none;overflow:visible}
.progress-top{position:fixed;top:0;left:0;height:3px;background:#a8b85e;width:0;z-index:99999;transition:width .15s ease}
.readmore{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:30px 0}
.rm-card{display:block;background:rgba(8,10,8,.82);border:1px solid rgba(168,184,94,.28);border-radius:10px;padding:16px 18px;text-decoration:none;color:#f2efe4;transition:border-color .2s}
.rm-card:hover{border-color:#a8b85e}
.rm-tag{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:#a8b85e;display:block;margin-bottom:6px}
.rm-title{font-family:'Roboto Condensed',sans-serif;font-size:16px;line-height:1.4}
@media (max-width:680px){.calc-grid,.readmore{grid-template-columns:1fr}.calc-block{padding:20px 16px}.calc-num{font-size:30px}}