/* Naia: BTR phase-one dynamic comparison app */
.btr-compare-app{--btr-indigo:#4f46e5;--btr-dark:#0a0a1a;--btr-panel:#111133;--btr-panel-2:#0d0d28;--btr-border:#242448;--btr-text:#e5e7eb;--btr-muted:#9ca3af;--btr-green:#10b981;--btr-red:#ef4444;background:#0a0a1a;color:var(--btr-text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;margin:0 calc(50% - 50vw);overflow:hidden}.btr-compare-app *{box-sizing:border-box}.btr-compare-hero{position:relative;background:radial-gradient(circle at 20% 20%,rgba(79,70,229,.35),transparent 30%),linear-gradient(135deg,#0a0a1a 0%,#111133 55%,#170f36 100%);padding:84px 20px 58px;text-align:center;overflow:hidden}.btr-compare-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(to bottom,#000,transparent 90%);pointer-events:none}.btr-compare-inner{position:relative;z-index:1;max-width:1160px;margin:0 auto}.btr-compare-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(129,140,248,.35);background:rgba(79,70,229,.14);color:#c7d2fe;padding:8px 14px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.11em;text-transform:uppercase}.btr-compare-hero h1{color:#fff;font-size:clamp(34px,5vw,62px);line-height:1.04;letter-spacing:-.04em;margin:20px auto 16px;max-width:900px;font-weight:900}.btr-compare-hero p{color:#cbd5e1;font-size:18px;line-height:1.65;max-width:760px;margin:0 auto}.btr-selector-panel{background:#f8fafc;color:#0f172a;padding:32px 20px 40px}.btr-selector-box{max-width:1160px;margin:-64px auto 0;position:relative;z-index:5;background:#fff;border:1px solid #e5e7eb;border-radius:24px;box-shadow:0 28px 80px rgba(15,23,42,.22);padding:24px}.btr-selector-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}.btr-selector-heading h2{font-size:22px;line-height:1.2;margin:0;color:#0f172a}.btr-selector-heading p{margin:6px 0 0;color:#64748b;font-size:14px}.btr-selector-actions{display:flex;gap:10px;flex-wrap:wrap}.btr-copy-link,.btr-clear-btn{border:1px solid #dbe3ef;background:#fff;color:#334155;border-radius:10px;padding:10px 13px;font-size:13px;font-weight:800;cursor:pointer}.btr-copy-link:hover,.btr-clear-btn:hover{border-color:#4f46e5;color:#4f46e5}.btr-select-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.btr-select-card{background:#f8fafc;border:1px solid #e5e7eb;border-radius:16px;padding:16px}.btr-select-card label{display:block;font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.08em;color:#64748b;margin-bottom:8px}.btr-select-card select{width:100%;appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='none' viewBox='0 0 24 24' stroke='%23475569'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;border:1px solid #cbd5e1;border-radius:12px;padding:13px 40px 13px 12px;font-weight:700;color:#0f172a;font-size:15px}.btr-status{margin-top:14px;color:#64748b;font-size:13px}.btr-results{padding:48px 20px 80px;background:#f8fafc;color:#0f172a}.btr-results-inner{max-width:1160px;margin:0 auto}.btr-empty{background:#fff;border:1px dashed #cbd5e1;border-radius:18px;padding:34px;text-align:center;color:#64748b}.btr-compare-columns{display:grid;gap:18px;margin-bottom:24px}.btr-compare-columns.cols-1{grid-template-columns:minmax(0,1fr);max-width:420px}.btr-compare-columns.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.btr-compare-columns.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.btr-product-card{background:#fff;border:1px solid #e5e7eb;border-radius:22px;box-shadow:0 18px 48px rgba(15,23,42,.09);padding:22px;display:flex;flex-direction:column;min-height:100%}.btr-product-top{display:flex;gap:14px;align-items:center;margin-bottom:16px}.btr-logo-fallback{width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,#4f46e5,#7c3aed);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:18px;flex:0 0 auto}.btr-product-card h3{font-size:22px;line-height:1.16;margin:0;color:#0f172a}.btr-product-card .btr-cat{display:block;color:#64748b;font-size:13px;margin-top:4px}.btr-rating-pill{display:inline-flex;align-items:baseline;gap:4px;background:#eef2ff;color:#3730a3;border-radius:999px;padding:9px 13px;font-weight:900;width:max-content;margin-bottom:16px}.btr-rating-pill strong{font-size:24px}.btr-card-text{color:#475569;font-size:14px;line-height:1.58;margin:0 0 16px}.btr-card-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:auto}.btr-primary-btn,.btr-secondary-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:11px;padding:11px 14px;font-weight:900;font-size:14px;text-decoration:none!important}.btr-primary-btn{background:#4f46e5;color:#fff!important}.btr-primary-btn:hover{background:#4338ca;color:#fff!important}.btr-secondary-btn{background:#eef2ff;color:#3730a3!important}.btr-section-title{font-size:24px;font-weight:900;color:#0f172a;margin:34px 0 16px;letter-spacing:-.02em}.btr-table-wrap{background:#fff;border:1px solid #e5e7eb;border-radius:18px;overflow-x:auto;box-shadow:0 12px 38px rgba(15,23,42,.06);margin-bottom:22px}.btr-matrix{width:100%;border-collapse:separate;border-spacing:0;min-width:760px}.btr-matrix th,.btr-matrix td{padding:16px;border-bottom:1px solid #e5e7eb;vertical-align:top}.btr-matrix th{background:#f1f5f9;text-align:left;font-size:13px;color:#334155;text-transform:uppercase;letter-spacing:.06em}.btr-matrix tr:last-child td{border-bottom:0}.btr-matrix td:first-child{width:185px;font-weight:900;color:#334155;background:#fbfdff}.btr-score-line{display:flex;align-items:center;gap:10px;min-width:170px}.btr-score-num{font-weight:900;color:#0f172a;min-width:34px}.btr-score-track{height:8px;border-radius:999px;background:#e2e8f0;overflow:hidden;flex:1}.btr-score-fill{height:100%;background:linear-gradient(90deg,#4f46e5,#7c3aed);border-radius:999px}.btr-list-grid{display:grid;gap:18px}.btr-list-grid.cols-1{grid-template-columns:minmax(0,1fr);max-width:520px}.btr-list-grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.btr-list-grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.btr-list-card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:20px;box-shadow:0 12px 38px rgba(15,23,42,.06)}.btr-list-card h4{margin:0 0 12px;font-size:17px;color:#0f172a}.btr-list-card h5{margin:18px 0 8px;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:#64748b}.btr-list-card ul{list-style:none;margin:0;padding:0}.btr-list-card li{position:relative;padding:8px 0 8px 24px;border-bottom:1px solid #eef2f7;color:#475569;font-size:14px;line-height:1.45}.btr-list-card li:last-child{border-bottom:0}.btr-list-card .pros li:before{content:"✓";position:absolute;left:0;color:#059669;font-weight:900}.btr-list-card .cons li:before{content:"–";position:absolute;left:3px;color:#dc2626;font-weight:900}.btr-note{margin-top:26px;color:#64748b;font-size:13px;line-height:1.6}.btr-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca;border-radius:14px;padding:16px;font-weight:700}@media(max-width:900px){.btr-select-grid,.btr-compare-columns.cols-2,.btr-compare-columns.cols-3,.btr-list-grid.cols-2,.btr-list-grid.cols-3{grid-template-columns:1fr}.btr-selector-heading{display:block}.btr-selector-actions{margin-top:14px}.btr-selector-box{margin-top:-42px;padding:18px}.btr-compare-hero{padding:64px 18px 48px}.btr-compare-hero p{font-size:16px}.btr-results{padding:34px 16px 60px}}@media(max-width:520px){.btr-selector-panel{padding-left:14px;padding-right:14px}.btr-select-card{padding:13px}.btr-product-card{padding:18px}.btr-card-cta{display:grid}.btr-matrix{min-width:640px}.btr-matrix th,.btr-matrix td{padding:12px}.btr-compare-hero h1{font-size:32px}}