:root{--brand: #E4002B;--brand-dark: #B80023;--brand-tint: #FFF3F5;--ink: #1A1A1A;--muted: #5A5A5A;--line: #E5E5E5;--night: #1B1B2F}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{background:#fff;color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.55}img{display:block;max-width:100%;height:auto}.site-header{background:var(--brand);color:#fff}.header-inner{margin:0 auto;max-width:1040px;padding:14px 16px}.brand{color:#fff;display:inline-block;font-size:1.25rem;font-weight:800;letter-spacing:.5px;text-decoration:none}.main-nav{display:flex;flex-wrap:wrap;gap:4px 18px;margin-top:10px}.main-nav a{color:#fff;font-size:.95rem;padding:4px 0;text-decoration:none}.main-nav a:hover{text-decoration:underline}.page{margin:0 auto;max-width:1040px;padding:24px 16px 48px}h1{font-size:1.7rem;line-height:1.25;margin:0 0 12px}h2{font-size:1.3rem;margin:32px 0 12px}h3{font-size:1.1rem;margin:24px 0 8px}p{margin:0 0 14px}.lead{color:var(--muted);font-size:1.05rem}.section{border-top:1px solid var(--line);margin-top:32px;padding-top:8px}.btn{align-items:center;border:1px solid transparent;border-radius:6px;cursor:pointer;display:inline-flex;font-family:inherit;font-size:1rem;font-weight:600;height:48px;justify-content:center;padding:0 20px;white-space:nowrap}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark)}.btn-secondary{background:#fff;border-color:var(--brand);color:var(--brand)}.btn-block{width:100%}.availability{background:var(--brand-tint);border-radius:10px;margin:20px 0 8px;padding:16px}.availability label{display:block;font-size:.9rem;font-weight:600;margin-bottom:6px}.availability input{border:1px solid var(--line);border-radius:6px;font-family:inherit;font-size:1rem;height:48px;margin-bottom:10px;padding:0 12px;width:100%}.availability-result{color:#17692f;font-weight:600;margin:12px 0 0}.card-grid{display:grid;gap:18px;grid-template-columns:1fr}.card{border:1px solid var(--line);border-radius:10px;overflow:hidden}.card img{width:100%}.card-body{padding:14px 16px 18px}.card-body h3{margin:0 0 4px}.price{color:var(--brand);font-size:1.35rem;font-weight:800;margin:0 0 6px}.meta{color:var(--muted);font-size:.92rem;margin:0 0 14px}.hero img{border-radius:10px;width:100%}.product-price{color:var(--brand);font-size:1.9rem;font-weight:800;margin:16px 0 4px}.spec-list,.step-list{margin:0 0 14px;padding-left:20px}.spec-list li,.step-list li{margin-bottom:6px}.stat-strip{border-bottom:1px solid var(--line);color:var(--muted);font-size:.9rem;margin:0 0 20px;padding-bottom:14px}.form{max-width:460px}.field{margin-bottom:16px}.field label{display:block;font-size:.9rem;font-weight:600;margin-bottom:6px}.field input,.field select{border:1px solid var(--line);border-radius:6px;font-family:inherit;font-size:1rem;height:48px;padding:0 12px;width:100%}.field input:focus,.field select:focus,.availability input:focus{border-color:var(--brand);outline:2px solid rgba(228,0,43,.25)}.form-error{color:var(--brand-dark);font-size:.92rem;font-weight:600;margin:0 0 14px}#submit-btn{font-size:.9rem;height:32px;padding:0 16px}.site-footer{background:#fff;border-top:1px solid var(--line);color:#b0b0b0;margin-top:40px}.footer-inner{margin:0 auto;max-width:1040px;padding:24px 16px 32px}.footer-brand{font-size:1rem;font-weight:700;margin-bottom:12px}.footer-links{display:grid;gap:8px 20px;grid-template-columns:1fr 1fr;list-style:none;margin:0 0 18px;padding:0}.site-footer a{color:#b0b0b0;font-size:.9rem;text-decoration:none}.site-footer a:hover{text-decoration:underline}.footer-note{font-size:.82rem;margin:0}@media(min-width:720px){h1{font-size:2.1rem}.header-inner{align-items:center;display:flex;justify-content:space-between;padding:16px}.main-nav{margin-top:0}.card-grid{grid-template-columns:repeat(2,1fr)}.availability-row{align-items:end;display:flex;gap:12px}.availability input{margin-bottom:0;max-width:260px}.footer-links{grid-template-columns:repeat(4,1fr)}}@media(min-width:980px){.card-grid{grid-template-columns:repeat(4,1fr)}}