:root{--betonhcf-bg:#0f1218;--betonhcf-surf:#171c25;--betonhcf-fg:#eef1f6;--betonhcf-mut:#a7b0bf;--betonhcf-line:#273042;--betonhcf-acc:#00D084;--betonhcf-acctx:#0F0F0F;--betonhcf-r:10px}
*{box-sizing:border-box}
body{margin:0;background:var(--betonhcf-bg);color:var(--betonhcf-fg);font:16px/1.65 "Ubuntu",system-ui,sans-serif}
img{max-width:100%;height:auto}
a{color:var(--betonhcf-acc)}
.betonhcf-wrap{max-width:1120px;margin:0 auto;padding:0 18px}
.betonhcf-top{position:sticky;top:0;z-index:20;background:var(--betonhcf-surf);border-bottom:1px solid var(--betonhcf-line)}
.betonhcf-topin{display:flex;align-items:center;gap:18px;min-height:64px}
.betonhcf-logo img{max-height:42px;width:auto;display:block}
.betonhcf-nav{display:flex;flex-wrap:wrap;gap:4px 14px;margin-left:auto;align-items:center}
.betonhcf-nav a,.betonhcf-nav button{background:none;border:0;color:var(--betonhcf-fg);font:inherit;font-size:15px;cursor:pointer;padding:6px 2px;text-decoration:none}
.betonhcf-nav a:hover,.betonhcf-nav button:hover{color:var(--betonhcf-acc)}
.betonhcf-menu{display:none}
.betonhcf-burger{display:none;margin-left:auto;cursor:pointer;font-size:26px;line-height:1;padding:6px}
.betonhcf-btn{display:inline-block;background:var(--betonhcf-acc);color:var(--betonhcf-acctx);border:0;border-radius:var(--betonhcf-r);padding:12px 22px;font:600 16px/1.2 "Ubuntu",sans-serif;cursor:pointer;text-decoration:none}
.betonhcf-btn:hover{filter:brightness(1.08)}
.betonhcf-btn2{background:transparent;color:var(--betonhcf-fg);border:2px solid var(--betonhcf-acc)}
.betonhcf-hero{background:linear-gradient(180deg, #00D08422, #0f1218);padding:44px 0 36px}
.betonhcf-heroin{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.betonhcf-hero h1{font:700 clamp(28px,4vw,46px)/1.15 "Noto Serif",Georgia,serif;margin:0 0 14px}
.betonhcf-lead{color:var(--betonhcf-mut);font-size:18px}
.betonhcf-heroimg img{border-radius:var(--betonhcf-r);box-shadow:0 18px 50px #0006}
.betonhcf-promo{display:block;cursor:pointer}
.betonhcf-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.betonhcf-body{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;padding:34px 0 60px}
.betonhcf-body>div,.betonhcf-body>aside{min-width:0}
.betonhcf-sec{background:var(--betonhcf-surf);border:1px solid var(--betonhcf-line);border-radius:var(--betonhcf-r);padding:26px 28px;margin:0 0 22px}
.betonhcf-h2{font:700 clamp(22px,2.6vw,30px)/1.25 "Noto Serif",Georgia,serif;margin:0 0 14px}
.betonhcf-h3{font-size:20px;margin:22px 0 8px} .betonhcf-h4{font-size:17px;margin:18px 0 6px}
.betonhcf-list{padding-left:22px} .betonhcf-list li{margin:6px 0}
.betonhcf-tablewrap{overflow-x:auto;margin:14px 0}
.betonhcf-table{width:100%;border-collapse:collapse;font-size:15px}
.betonhcf-table td,.betonhcf-table th{border-bottom:1px solid var(--betonhcf-line);padding:10px 12px;text-align:left;vertical-align:top}
.betonhcf-table th{color:var(--betonhcf-mut);font-weight:600}
.betonhcf-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px;margin:14px 0}
.betonhcf-card{display:flex;flex-direction:column;gap:6px;align-items:center;background:var(--betonhcf-bg);border:1px solid var(--betonhcf-line);border-radius:var(--betonhcf-r);padding:10px;color:var(--betonhcf-fg);font:inherit;font-size:14px;cursor:pointer;text-decoration:none;text-align:center}
.betonhcf-card:hover{border-color:var(--betonhcf-acc)}
.betonhcf-cardimg{border-radius:calc(var(--betonhcf-r) - 4px);aspect-ratio:4/3;object-fit:contain;width:100%}
.betonhcf-fig{margin:18px 0} .betonhcf-fig img{border-radius:var(--betonhcf-r)}
.betonhcf-faq{border-top:1px solid var(--betonhcf-line);padding:12px 0}
.betonhcf-faq summary{cursor:pointer;font-weight:600;list-style:none}
.betonhcf-faq summary::after{content:"+";float:right;color:var(--betonhcf-acc);font-size:20px;line-height:1}
.betonhcf-faq[open] summary::after{content:"–"}
.betonhcf-quote{border-left:4px solid var(--betonhcf-acc);margin:16px 0;padding:6px 16px;color:var(--betonhcf-mut)}
.betonhcf-ctarow{margin:18px 0}
.betonhcf-side{position:sticky;top:84px;align-self:start;display:grid;gap:18px}
.betonhcf-box{background:var(--betonhcf-surf);border:1px solid var(--betonhcf-line);border-radius:var(--betonhcf-r);padding:18px}
.betonhcf-box h4{margin:0 0 10px;font-size:15px;text-transform:uppercase;letter-spacing:.06em;color:var(--betonhcf-mut)}
.betonhcf-toc{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:15px}
.betonhcf-toc a{color:var(--betonhcf-fg);text-decoration:none} .betonhcf-toc a:hover{color:var(--betonhcf-acc)}
.betonhcf-foot{background:var(--betonhcf-surf);border-top:1px solid var(--betonhcf-line);padding:34px 0 90px;font-size:14px;color:var(--betonhcf-mut)}
.betonhcf-footin{display:grid;gap:18px}
.betonhcf-footlinks{display:flex;flex-wrap:wrap;gap:8px 18px}
.betonhcf-footlinks a,.betonhcf-footlinks button{color:var(--betonhcf-mut);background:none;border:0;font:inherit;cursor:pointer;text-decoration:none;padding:0}
.betonhcf-badges{display:flex;flex-wrap:wrap;gap:14px;align-items:center} .betonhcf-badges img{max-height:34px;width:auto;opacity:.85}
.betonhcf-sticky{position:fixed;left:0;right:0;bottom:0;z-index:30;display:none;padding:10px 16px;background:var(--betonhcf-surf);border-top:1px solid var(--betonhcf-line)}
.betonhcf-sticky .betonhcf-btn{width:100%;text-align:center}
.betonhcf-demo{position:relative;aspect-ratio:2/1;border-radius:var(--betonhcf-r);overflow:hidden;margin:16px 0;background:#000}
.betonhcf-demo>div:first-child{position:absolute;inset:0;background-size:cover;background-position:center}
.betonhcf-demo>div:nth-child(2){position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:76px;height:76px;border-radius:50%;background:var(--betonhcf-acc);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:2;box-shadow:0 8px 30px #0008}
.betonhcf-demo svg{width:32px;height:32px;fill:var(--betonhcf-acctx)}
.betonhcf-demo iframe{position:absolute;inset:0;width:100%;height:100%;border:0;z-index:3}
.betonhcf-raw>*{display:flex;flex-direction:column;gap:6px;align-items:center;background:var(--betonhcf-bg);border:1px solid var(--betonhcf-line);border-radius:var(--betonhcf-r);padding:10px;color:var(--betonhcf-fg);font-size:14px;cursor:pointer;text-decoration:none;text-align:center}
.betonhcf-raw img{border-radius:calc(var(--betonhcf-r) - 4px);width:100%;height:auto}
.betonhcf-raw small{color:var(--betonhcf-mut)}
.betonhcf-form{display:grid;gap:10px;max-width:560px;margin:14px 0}
.betonhcf-form input,.betonhcf-form textarea,.betonhcf-form select{width:100%;padding:11px 12px;border:1px solid var(--betonhcf-line);border-radius:var(--betonhcf-r);background:var(--betonhcf-bg);color:var(--betonhcf-fg);font:inherit}
.betonhcf-form button{justify-self:start;background:var(--betonhcf-acc);color:var(--betonhcf-acctx);border:0;border-radius:var(--betonhcf-r);padding:12px 22px;font:600 16px/1.2 inherit;cursor:pointer}
.betonhcf-pop{position:fixed;inset:0;z-index:50;display:none;align-items:center;justify-content:center;padding:18px;background:#000b}
.betonhcf-pop.betonhcf-on{display:flex}
.betonhcf-popbox{position:relative;max-width:420px;width:100%;background:var(--betonhcf-surf);border:1px solid var(--betonhcf-line);border-top:4px solid var(--betonhcf-acc);border-radius:var(--betonhcf-r);padding:30px 24px 24px;text-align:center;display:grid;gap:12px}
.betonhcf-popbox img{margin:0 auto;border-radius:calc(var(--betonhcf-r) - 4px)}
.betonhcf-poptitle{font:700 22px/1.25 "Noto Serif",Georgia,serif;margin:0}
.betonhcf-popbox p{margin:0}
.betonhcf-popx{position:absolute;top:8px;right:10px;background:none;border:0;color:var(--betonhcf-mut);font-size:26px;line-height:1;cursor:pointer}
@media (max-width:900px){.betonhcf-body{grid-template-columns:1fr}.betonhcf-side{position:static}.betonhcf-heroin{grid-template-columns:1fr}
 .betonhcf-nav{display:none;position:absolute;left:0;right:0;top:64px;flex-direction:column;align-items:flex-start;background:var(--betonhcf-surf);padding:12px 18px;border-bottom:1px solid var(--betonhcf-line)}
 .betonhcf-menu:checked~.betonhcf-nav{display:flex} .betonhcf-burger{display:block} .betonhcf-sticky{display:block} .betonhcf-sec{padding:20px 18px}}