.btcsf{--ink:#11110f;--paper:#fbf8f1;--bone:#f3eadb;--acid:#c9ff4a;--verdigris:#0f7666;--clay:#b95d3f;--line:#11110f24;--soft:#11110f12;--muted:#11110f9e;--display:var(--font-display),Georgia,"Times New Roman",serif;--sans:var(--font-sans),-apple-system,"Segoe UI",Arial,sans-serif;--r:6px;font-family:var(--sans);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;line-height:1.55}.btcsf *,.btcsf :before,.btcsf :after{box-sizing:border-box}.btcsf h1,.btcsf h2,.btcsf h3{font-family:var(--display);color:var(--ink);margin:0;font-weight:400;line-height:1.1}.btcsf p{margin:0 0 14px}.btcsf a{color:inherit}.btcsf-wrap{width:min(1180px,100% - 48px);margin:0 auto}.btcsf-hero{background:var(--bone);border-bottom:1px solid var(--line);padding:64px 0 72px}.btcsf-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:start;gap:56px;display:grid}.btcsf-kicker{text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-size:12px;font-weight:700}.btcsf-copy h1{margin:8px 0 18px;font-size:clamp(36px,4.6vw,58px)}.btcsf-lead{color:#11110fd1;font-size:19px}.btcsf-copy p{color:#11110fcc;max-width:560px}.btcsf-mail a{text-underline-offset:3px;font-weight:600;text-decoration:underline}.btcsf-social{flex-wrap:wrap;gap:8px;margin-top:22px;display:flex}.btcsf-social a{border:1px solid var(--line);background:#fff;border-radius:4px;align-items:center;gap:7px;padding:9px 14px;font-size:13.5px;font-weight:600;text-decoration:none;transition:border-color .15s,transform .15s;display:inline-flex}.btcsf-social a:hover{border-color:var(--ink);transform:translateY(-1px)}.btcsf svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;width:15px;height:15px}.btcsf-card{border:1px solid var(--ink);background:#fff;border-radius:8px;padding:30px;box-shadow:0 8px #11110f1a}.btcsf-card h2{margin-bottom:18px;font-size:28px}.btcsf-card form{gap:16px;display:grid}.btcsf-card label{gap:6px;font-size:13px;font-weight:700;display:grid}.btcsf-l{display:block}.btcsf-l b{color:var(--clay);font-weight:700}.btcsf-l em{color:var(--muted);margin-left:4px;font-size:12px;font-style:normal;font-weight:500}.btcsf-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.btcsf-card input,.btcsf-card select,.btcsf-card textarea{border:1px solid var(--line);width:100%;font:400 14.5px var(--sans);color:var(--ink);box-shadow:none;background:#fff;border-radius:4px;outline:none;padding:12px 14px}.btcsf-card input:focus,.btcsf-card select:focus,.btcsf-card textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px #c9ff4aa6}.btcsf-card textarea{resize:vertical;min-height:140px}.btcsf-card .btcsf-chk{align-items:flex-start;gap:10px;font-size:13px;font-weight:400;display:flex}.btcsf-card .btcsf-chk input{width:16px;height:16px;accent-color:var(--ink);flex-shrink:0;margin-top:3px}.btcsf-card .btcsf-chk span{color:#11110fcc}.btcsf-btn{border:1px solid var(--ink);background:var(--acid);min-height:50px;color:var(--ink);font:600 15px var(--sans);cursor:pointer;border-radius:4px;justify-content:center;align-items:center;padding:0 26px;transition:transform .2s,box-shadow .2s;display:inline-flex}.btcsf-btn:hover,.btcsf-btn:focus{background:var(--acid);color:var(--ink);transform:translateY(-2px);box-shadow:0 6px #11110f24}.btcsf-hp{position:absolute;left:-9999px}.btcsf-done{text-align:center;padding:24px 8px}.btcsf-done h2{margin:14px 0 8px}.btcsf-done p{color:var(--muted);margin:0}.btcsf-ok{background:var(--acid);border:2px solid var(--ink);border-radius:50%;place-items:center;width:56px;height:56px;margin:0 auto;display:grid}.btcsf-ok svg{stroke-width:2.5px;width:26px;height:26px}.btcsf-more{padding:64px 0 80px}.btcsf-more h2{margin-bottom:24px;font-size:clamp(28px,3.2vw,38px)}.btcsf-blocks{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.btcsf-blocks article{border:1px solid var(--line);border-radius:var(--r);background:#fff;flex-direction:column;gap:6px;padding:26px;display:flex}.btcsf-blocks h3{margin-bottom:6px;font-size:22px;font-weight:600}.btcsf-blocks p{color:#11110fc7;flex:1;font-size:14.5px}.btcsf-link{text-underline-offset:3px;align-items:center;gap:8px;padding:4px 0;font-size:13.5px;font-weight:700;text-decoration:underline;display:inline-flex}.btcsf-link:hover{color:var(--verdigris)}@media (max-width:900px){.btcsf-grid{grid-template-columns:minmax(0,1fr);gap:34px}.btcsf-blocks{grid-template-columns:minmax(0,1fr)}.btcsf-hero{padding:44px 0 52px}.btcsf-row{grid-template-columns:minmax(0,1fr)}.btcsf-card{padding:22px}}