:root{--btm-accent:#2563EB;--btm-accent-dark:#1E40AF;--btm-accent-mid:#3B82F6;--btm-accent-light:#DBEAFE;--btm-accent-xlight:#EFF6FF;--btm-success:#00875A;--btm-success-light:#D1FAE5;--btm-warn:#D97706;--btm-warn-light:#FEF3C7;--btm-red:#BF0A30;--btm-white:#FFFFFF;--btm-charcoal:#1D1D1F;--btm-gray:#5F6368;--btm-gray-light:#9CA3AF;--btm-border:#E0E4E8;--btm-bg:#F7F9FC;--btm-bg-dark:#0F172A;--btm-navy:#002868;--btm-shadow-sm:0 1px 4px rgba(37,99,235,.08);--btm-shadow-md:0 4px 20px rgba(37,99,235,.13);--btm-shadow-lg:0 8px 40px rgba(37,99,235,.18)}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}#btm-page{font-family:'Inter',sans-serif;color:var(--btm-gray);line-height:1.6}#btm-page a{text-decoration:none;color:inherit}#btm-page h1,#btm-page h2,#btm-page h3{font-family:'Montserrat',sans-serif;color:var(--btm-charcoal);line-height:1.3}.btm-hero{background:linear-gradient(135deg,#0C1A3D 0%,#1E3A8A 40%,#1D4ED8 75%,#2563EB 100%);border-radius:16px;padding:52px 48px 48px;margin-bottom:36px;position:relative;overflow:hidden}.btm-hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23fff' fill-opacity='0.03'%3E%3Cpath d='M40 10V0h-4v10h-10v4h10v10h4V14h10v-4H40zM0 40V30h-4v10h-10v4h10v10h4V44h10v-4H0z'/%3E%3C/g%3E%3C/svg%3E");pointer-events:none}.btm-badge{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);color:#fff;font-size:11px;font-weight:700;font-family:'Montserrat',sans-serif;padding:5px 14px;border-radius:20px;margin-bottom:18px;letter-spacing:.6px;text-transform:uppercase;position:relative;z-index:1}.btm-hero h1{font-weight:800;font-size:clamp(22px,2.8vw,38px);color:#fff;margin-bottom:14px;max-width:700px;position:relative;z-index:1}.btm-hero 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24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}.btm-calc-title{font-family:'Montserrat',sans-serif;font-weight:700;font-size:14px;color:#fff;display:flex;align-items:center;gap:8px}.btm-calc-badge{font-size:11px;font-weight:700;color:var(--btm-accent);background:var(--btm-accent-light);padding:3px 9px;border-radius:4px;text-transform:uppercase;letter-spacing:.4px}.btm-calc-grid{display:grid;grid-template-columns:1fr 1fr}.btm-inputs{padding:28px 24px;border-right:1px solid var(--btm-border)}.btm-results-panel{padding:28px 24px;background:var(--btm-accent-xlight)}.btm-bpm-display-wrap{background:var(--btm-bg-dark);border-radius:12px;padding:20px 20px 16px;margin-bottom:20px;text-align:center;border:1px solid rgba(37,99,235,.3)}.btm-bpm-display-label{font-size:11px;font-weight:700;color:rgba(255,255,255,.5);text-transform:uppercase;letter-spacing:.6px;margin-bottom:4px}.btm-bpm-number{font-family:'Montserrat',sans-serif;font-weight:800;font-size:72px;line-height:1;background:linear-gradient(135deg,#60A5FA,#3B82F6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btm-bpm-unit{font-size:14px;font-weight:700;color:rgba(255,255,255,.5);margin-top:4px;letter-spacing:.5px}.btm-slider-wrap{margin-bottom:18px}.btm-slider-row{display:flex;align-items:center;gap:12px;margin-bottom:8px}.btm-slider-label{font-size:12px;font-weight:700;color:var(--btm-gray);font-family:'Montserrat',sans-serif;min-width:32px}.btm-bpm-input{width:80px;padding:8px 10px;border:1.5px solid var(--btm-border);border-radius:7px;font-family:'Montserrat',sans-serif;font-weight:700;font-size:16px;color:var(--btm-charcoal);text-align:center;outline:none;transition:border 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transparent;margin-bottom:-2px}.btm-tab-btn:hover{color:var(--btm-accent)}.btm-tab-btn.active{color:var(--btm-accent);border-bottom-color:var(--btm-accent)}.btm-tab-panel{display:none;padding:24px}.btm-tab-panel.active{display:block}.btm-samples-table{width:100%;border-collapse:collapse;font-size:13px}.btm-samples-table th{padding:9px 12px;background:var(--btm-bg);text-align:center;font-family:'Montserrat',sans-serif;font-weight:700;font-size:11px;color:var(--btm-gray);text-transform:uppercase;letter-spacing:.3px}.btm-samples-table th:first-child{text-align:left}.btm-samples-table td{padding:9px 12px;border-bottom:1px solid var(--btm-border);text-align:center;font-family:'Montserrat',sans-serif;font-weight:600;font-size:13px;color:var(--btm-charcoal)}.btm-samples-table td:first-child{text-align:left;color:var(--btm-gray);font-weight:700}.btm-comp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.btm-comp-card{background:var(--btm-bg);border:1px solid var(--btm-border);border-radius:9px;padding:16px}.btm-comp-card-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:var(--btm-gray);margin-bottom:6px}.btm-comp-card-val{font-family:'Montserrat',sans-serif;font-weight:800;font-size:22px;color:var(--btm-charcoal);margin-bottom:4px}.btm-comp-card-val em{color:var(--btm-accent);font-style:normal;font-size:14px;font-weight:600}.btm-comp-card-tip{font-size:12px;color:var(--btm-gray);line-height:1.5}.btm-midi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.btm-midi-card{background:var(--btm-bg);border:1px solid var(--btm-border);border-radius:9px;padding:16px;text-align:center}.btm-midi-ppqn{font-size:11px;font-weight:700;color:var(--btm-accent);text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px}.btm-midi-val{font-family:'Montserrat',sans-serif;font-weight:800;font-size:20px;color:var(--btm-charcoal);margin-bottom:4px}.btm-midi-label{font-size:12px;color:var(--btm-gray)}.btm-bar-table{width:100%;border-collapse:collapse;font-size:13px}.btm-bar-table th{padding:9px 12px;background:var(--btm-bg);text-align:center;font-family:'Montserrat',sans-serif;font-weight:700;font-size:11px;color:var(--btm-gray);text-transform:uppercase;letter-spacing:.3px}.btm-bar-table th:first-child{text-align:left}.btm-bar-table td{padding:9px 12px;border-bottom:1px solid var(--btm-border);text-align:center;font-family:'Montserrat',sans-serif;font-size:13px;color:var(--btm-charcoal);font-weight:600}.btm-bar-table td:first-child{text-align:left;font-weight:700;color:var(--btm-gray)}.btm-chart-section{border-top:1px solid var(--btm-border);padding:24px}.btm-chart-title{font-family:'Montserrat',sans-serif;font-weight:800;font-size:16px;color:var(--btm-charcoal);margin-bottom:4px}.btm-chart-sub{font-size:13px;color:var(--btm-gray);margin-bottom:18px}.btm-chart-wrap{position:relative;height:380px}.btm-sec{max-width:1100px;margin:0 auto 48px}.btm-sec-bg{background:var(--btm-bg);border-radius:14px;padding:44px 40px;margin-bottom:48px}.btm-accent-rule{width:44px;height:4px;background:var(--btm-accent);border-radius:2px;margin-bottom:16px}.btm-sec h2{font-weight:800;font-size:clamp(18px,2.2vw,24px);color:var(--btm-charcoal);margin-bottom:10px}.btm-lead{font-size:15.5px;color:var(--btm-gray);line-height:1.76;margin-bottom:24px;max-width:820px}.btm-sec h3{font-family:'Montserrat',sans-serif;font-weight:700;font-size:16px;color:var(--btm-charcoal);margin:26px 0 10px}.btm-sec 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12px;color:rgba(255,255,255,.75);font-family:'Montserrat',sans-serif;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.3px;text-align:center}.btm-qr-table thead th:first-child{text-align:left}.btm-qr-table tbody td{padding:9px 12px;border-bottom:1px solid var(--btm-border);text-align:center;font-family:'Montserrat',sans-serif;font-weight:600;font-size:13px}.btm-qr-table tbody td:first-child{text-align:left;font-weight:700;color:var(--btm-charcoal)}.btm-qr-table tbody tr:nth-child(even){background:var(--btm-bg)}.btm-qr-table tbody tr:hover{background:var(--btm-accent-xlight)}.btm-examples-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:22px}.btm-example-card{background:var(--btm-white);border:1px solid var(--btm-border);border-radius:10px;overflow:hidden}.btm-example-head{background:var(--btm-accent);padding:14px 18px}.btm-example-city{font-family:'Montserrat',sans-serif;font-weight:800;font-size:14px;color:#fff;margin-bottom:2px}.btm-example-genre{font-size:11px;color:rgba(255,255,255,.75)}.btm-example-body{padding:16px 18px}.btm-example-body h3{font-size:14px;font-weight:700;color:var(--btm-charcoal);margin-bottom:8px}.btm-example-body p{font-size:13px;color:var(--btm-gray);line-height:1.65;margin-bottom:8px}.btm-example-nums{display:flex;flex-direction:column;gap:5px;margin-top:10px}.btm-example-num{display:flex;justify-content:space-between;align-items:center;padding:6px 10px;background:var(--btm-accent-xlight);border-radius:6px;font-size:12px}.btm-example-num span:first-child{color:var(--btm-gray)}.btm-example-num span:last-child{font-family:'Montserrat',sans-serif;font-weight:700;color:var(--btm-accent-dark)}.btm-faq-list{margin-top:20px}.btm-faq-item{border-bottom:1px solid var(--btm-border)}.btm-faq-q{display:flex;align-items:flex-start;justify-content:space-between;padding:16px 0;cursor:pointer;gap:14px;user-select:none}.btm-faq-q-text{font-family:'Montserrat',sans-serif;font-weight:700;font-size:14.5px;color:var(--btm-charcoal);line-height:1.4;flex:1}.btm-faq-icon{width:26px;height:26px;background:var(--btm-accent-light);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--btm-accent);font-size:18px;font-weight:700;flex-shrink:0;transition:transform .25s;line-height:1;margin-top:1px}.btm-faq-item.open .btm-faq-icon{transform:rotate(45deg)}.btm-faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s}.btm-faq-item.open .btm-faq-a{max-height:600px;padding-bottom:14px}.btm-faq-a p{font-size:14px;color:var(--btm-gray);line-height:1.72}.btm-faq-a a{color:var(--btm-accent);font-weight:600}.btm-related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:22px}.btm-rel-card{background:var(--btm-white);border:1.5px solid var(--btm-border);border-radius:11px;padding:18px;transition:all .2s}.btm-rel-card:hover{border-color:var(--btm-accent);box-shadow:var(--btm-shadow-sm);transform:translateY(-2px)}.btm-rel-icon{font-size:24px;margin-bottom:10px}.btm-rel-card h3{font-family:'Montserrat',sans-serif;font-weight:700;font-size:14px;color:var(--btm-charcoal);margin-bottom:6px}.btm-rel-card p{font-size:12.5px;color:var(--btm-gray);line-height:1.55;margin-bottom:10px}.btm-rel-cta{font-size:12.5px;font-weight:700;color:var(--btm-accent);font-family:'Montserrat',sans-serif;display:inline-flex;align-items:center;gap:4px}.btm-authority{background:var(--btm-accent-xlight);border:1px solid rgba(37,99,235,.18);border-radius:10px;padding:18px 20px;margin:24px 0}.btm-authority-title{font-family:'Montserrat',sans-serif;font-weight:700;font-size:12px;color:var(--btm-charcoal);margin-bottom:10px;text-transform:uppercase;letter-spacing:.4px}.btm-authority-links{display:flex;flex-wrap:wrap;gap:9px}.btm-authority-links a{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;color:var(--btm-accent);font-weight:600;border:1px solid rgba(37,99,235,.22);padding:4px 10px;border-radius:5px;transition:all .2s}.btm-authority-links a:hover{background:var(--btm-accent);color:#fff}.btm-disclaimer{background:var(--btm-bg);border-left:3px solid var(--btm-border);padding:16px 18px;border-radius:0 8px 8px 0;margin-top:16px}.btm-disclaimer p{font-size:12.5px;color:var(--btm-gray);line-height:1.6}.btm-breadcrumb{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--btm-gray);margin-bottom:20px;flex-wrap:wrap}.btm-breadcrumb a{color:var(--btm-accent);font-weight:500}.btm-breadcrumb a:hover{text-decoration:underline}.btm-highlight{background:var(--btm-accent-light);border-left:4px solid var(--btm-accent);border-radius:0 9px 9px 0;padding:14px 18px;margin:16px 0}.btm-highlight p{font-size:14px;color:var(--btm-accent-dark);line-height:1.65;margin:0}@media(max-width:900px){.btm-calc-grid{grid-template-columns:1fr}.btm-inputs{border-right:none;border-bottom:1px solid var(--btm-border)}.btm-quick-grid{grid-template-columns:repeat(3,1fr)}.btm-examples-grid{grid-template-columns:1fr}.btm-midi-grid{grid-template-columns:1fr}.btm-comp-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.btm-hero{padding:36px 22px}.btm-sec-bg{padding:32px 20px}.btm-bpm-number{font-size:56px}.btm-quick-grid{grid-template-columns:1fr 1fr}.btm-tips-grid{grid-template-columns:1fr}.btm-chart-wrap{height:480px}.btm-table-head,.btm-tabs-nav,.btm-chart-section,.btm-table-wrap,.btm-tab-panel{padding-left:16px;padding-right:16px}}@media(max-width:480px){.btm-btn-row{flex-direction:column}.btm-quick-grid{grid-template-columns:1fr}.btm-midi-grid{grid-template-columns:1fr}.btm-tab-btn{font-size:11px;padding:10px 12px}}