.bc-root{--bc-primary:#0052cc;--bc-secondary:#06c;--bc-accent:#00b4d8;--bc-accent-light:#90e0ef;--bc-text:#0f1923;--bc-text-muted:#64748b;--bc-surface:#f8fafb;--bc-border:#eef2f6;--bc-border-strong:#c7dcff;--bc-bg:#fff;--bc-shadow:0 4px 24px rgba(0,82,204,.08);--bc-shadow-hover:0 8px 40px rgba(0,82,204,.14);--bc-radius-sm:4px;--bc-radius-md:8px;--bc-radius-lg:16px;--bc-font:"Inter",-apple-system,system-ui,sans-serif;font-family:var(--bc-font);background:var(--bc-bg);color:var(--bc-text);min-height:100vh;-webkit-font-smoothing:antialiased}.bc-nav{border-bottom:1px solid var(--bc-border);padding:1rem 1.5rem;position:sticky;top:0;background:hsla(0,0%,100%,.94);backdrop-filter:blur(12px);z-index:10}.bc-nav-inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.bc-nav-brand{gap:.65rem;letter-spacing:-.015em;font-size:16px;color:var(--bc-text)}.bc-nav-brand,.bc-nav-mark{display:inline-flex;align-items:center;font-weight:700}.bc-nav-mark{width:32px;height:32px;background:linear-gradient(135deg,var(--bc-primary),var(--bc-secondary));border-radius:var(--bc-radius-md);justify-content:center;color:#fff;font-size:14px;letter-spacing:-.02em}.bc-nav-back{font-size:13px;color:var(--bc-text-muted);transition:color .15s}.bc-nav-back:hover{color:var(--bc-primary)}.bc-container{max-width:1180px;margin:0 auto;padding:2.5rem 1.5rem 4rem}.bc-grid{display:grid;grid-template-columns:1fr;gap:2.5rem;align-items:start}@media (min-width:900px){.bc-grid{grid-template-columns:1.1fr 1fr;gap:4rem}}.bc-photo{aspect-ratio:4/3;background:var(--bc-surface);border-radius:var(--bc-radius-lg);overflow:hidden;border:1px solid var(--bc-border);position:relative}.bc-photo img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;display:block}.bc-h1{font-size:clamp(28px,4vw,40px);font-weight:700;letter-spacing:-.025em;margin:0 0 .75rem;color:var(--bc-text);line-height:1.1}.bc-price{font-size:30px;font-weight:700;letter-spacing:-.02em;margin-bottom:.25rem;color:var(--bc-primary)}.bc-price-iva{font-size:13px;margin-bottom:1.5rem}.bc-desc,.bc-price-iva{color:var(--bc-text-muted)}.bc-desc{font-size:15px;line-height:1.65;margin-bottom:2rem}.bc-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--bc-text-muted);margin-bottom:.5rem;display:block}.bc-qty-row{display:flex;align-items:center;gap:.6rem;margin-bottom:1.5rem}.bc-qty-btn{width:38px;height:38px;border:1px solid var(--bc-border);background:var(--bc-bg);border-radius:var(--bc-radius-md);font-size:18px;font-weight:500;cursor:pointer;color:var(--bc-text);transition:all .15s;display:inline-flex;align-items:center;justify-content:center}.bc-qty-btn:hover{border-color:var(--bc-primary);color:var(--bc-primary)}.bc-qty-val{min-width:44px;text-align:center;font-size:18px;font-weight:600}.bc-zone{display:flex;flex-direction:column;gap:.6rem;margin-bottom:1.5rem}.bc-zone-opt{display:flex;align-items:center;gap:.65rem;padding:.85rem 1rem;border:1px solid var(--bc-border);border-radius:var(--bc-radius-md);cursor:pointer;transition:border .15s,background .15s}.bc-zone-opt:hover{border-color:var(--bc-primary)}.bc-zone-opt input{cursor:pointer;accent-color:var(--bc-primary)}.bc-zone-opt.active{border-color:var(--bc-primary);background:#ebf3ff}.bc-zone-opt-text{flex:1}.bc-zone-opt-label{font-size:14px;font-weight:500}.bc-zone-opt-cost{font-size:13px;color:var(--bc-text-muted);margin-top:2px}.bc-summary{background:var(--bc-surface);border:1px solid var(--bc-border);border-radius:var(--bc-radius-lg);padding:1.25rem 1.5rem;margin-bottom:1.5rem}.bc-summary-row{display:flex;justify-content:space-between;font-size:14px;margin-bottom:.55rem;color:var(--bc-text-muted)}.bc-summary-row.total{border-top:1px solid var(--bc-border);padding-top:.75rem;margin-top:.55rem;margin-bottom:0;color:var(--bc-text);font-weight:700;font-size:17px}.bc-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.95rem 1.5rem;background:var(--bc-primary);color:#fff;border:0;border-radius:var(--bc-radius-md);font-size:15px;font-weight:600;letter-spacing:-.005em;cursor:pointer;transition:all .15s;width:100%;font-family:inherit;box-shadow:var(--bc-shadow)}.bc-btn:hover{background:var(--bc-secondary);transform:translateY(-1px);box-shadow:var(--bc-shadow-hover)}.bc-btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.bc-btn-ghost{background:transparent;color:var(--bc-primary);border:1px solid var(--bc-border-strong);box-shadow:none}.bc-btn-ghost:hover{background:#ebf3ff;border-color:var(--bc-primary)}.bc-form-row{margin-bottom:1rem}.bc-form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.bc-input,.bc-select{width:100%;padding:.7rem .9rem;border:1px solid var(--bc-border);border-radius:var(--bc-radius-md);font-size:14px;font-family:inherit;outline:none;background:var(--bc-bg);transition:border .15s,box-shadow .15s}.bc-input:focus,.bc-select:focus{border-color:var(--bc-primary);box-shadow:0 0 0 3px rgba(0,82,204,.12)}.bc-section-h{font-size:12.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--bc-text-muted);margin:1.5rem 0 .85rem;padding-bottom:.45rem;border-bottom:1px solid var(--bc-border)}.bc-section-h:first-child{margin-top:0}.bc-error{background:#fee2e2;border:1px solid #fecaca;color:#b91c1c;padding:.65rem .85rem;border-radius:var(--bc-radius-md);font-size:13px;margin-bottom:1rem}.bc-confirm{max-width:580px;margin:0 auto;text-align:center;padding:3rem 1.5rem}.bc-confirm-check{width:64px;height:64px;background:linear-gradient(135deg,#10b981,#059669);color:#fff;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;margin-bottom:1.5rem;box-shadow:0 10px 28px -8px rgba(16,185,129,.4)}.bc-confirm h1{font-size:28px;font-weight:700;letter-spacing:-.02em;margin:0 0 .5rem;color:var(--bc-text)}.bc-confirm-id{font-family:JetBrains Mono,monospace;font-size:13px;letter-spacing:.05em;padding:.45rem .85rem;border-radius:var(--bc-radius-md);display:inline-block;color:var(--bc-primary);font-weight:600}.bc-confirm-card,.bc-confirm-id{background:var(--bc-surface);margin-bottom:2rem;border:1px solid var(--bc-border)}.bc-confirm-card{border-radius:var(--bc-radius-lg);padding:1.5rem;text-align:left}