:root{--calc-navy: #0f2044;--calc-navy-dark: #0a152e;--calc-red: #c8171d;--calc-amber: #f59e0b;--calc-emerald: #10b981;--calc-slate: #0f172a;--calc-muted: #64748b;--calc-border: #e2e8f0;--calc-bg: #f8fafc;--calc-card-bg: #ffffff}body{margin:0;padding:0;background-color:var(--calc-bg);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;color:var(--calc-slate);-webkit-font-smoothing:antialiased}.calc-page-wrapper{max-width:1240px;margin:0 auto;padding:16px 16px 60px}.calc-breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:20px;font-size:13px;color:#64748b;flex-wrap:wrap}.calc-breadcrumb-back{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid #cbd5e1;color:#0f2044;font-weight:700;text-decoration:none;font-size:12.5px;box-shadow:0 1px 3px #0f172a0d;transition:all .18s ease}.calc-breadcrumb-back:hover{background:#f1f5f9;border-color:#94a3b8;color:#c8171d;transform:translate(-2px)}.calc-breadcrumb-back svg{color:#c8171d}.calc-breadcrumb-link{color:#475569;text-decoration:none;font-weight:600}.calc-breadcrumb-link:hover{color:#c8171d;text-decoration:underline}.calc-breadcrumb-sep{color:#cbd5e1}.calc-breadcrumb-current{color:#0f172a;font-weight:700}.calc-hero{text-align:center;padding:28px 16px 36px;background:linear-gradient(135deg,#0f2044,#1a3a6e);border-radius:20px;color:#fff;margin-bottom:28px;box-shadow:0 10px 25px #0f204426;position:relative;overflow:hidden}.calc-hero:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(245,158,11,.12) 0%,transparent 60%);pointer-events:none}.calc-hero-badge{display:inline-flex;align-items:center;gap:6px;background:#ffffff26;border:1px solid rgba(255,255,255,.25);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;color:#fef08a;margin-bottom:12px;backdrop-filter:blur(8px)}.calc-hero h1{font-family:Poppins,sans-serif;font-size:clamp(24px,4vw,36px);font-weight:800;margin:0 0 10px;line-height:1.2}.calc-hero p{font-size:clamp(14px,2vw,16px);color:#cbd5e1;max-width:680px;margin:0 auto;line-height:1.5}.calc-presets-section{margin-bottom:24px}.calc-presets-title{font-size:13px;font-weight:700;color:var(--calc-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px;display:flex;align-items:center;gap:6px}.calc-presets-grid{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin}.calc-preset-chip{flex:0 0 auto;padding:10px 14px;background:#fff;border:1px solid var(--calc-border);border-radius:12px;font-size:13px;font-weight:600;color:var(--calc-slate);cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:8px;user-select:none;box-shadow:0 1px 3px #0000000a}.calc-preset-chip:hover{border-color:#cbd5e1;background:#f1f5f9;transform:translateY(-1px)}.calc-preset-chip.is-active{background:#eff6ff;border-color:#3b82f6;color:#1d4ed8;font-weight:700;box-shadow:0 2px 8px #3b82f633}.calc-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:24px;align-items:start}@media (max-width: 900px){.calc-grid{grid-template-columns:1fr}}.calc-form-card{background:var(--calc-card-bg);border:1px solid var(--calc-border);border-radius:18px;padding:24px;box-shadow:0 4px 20px #0000000d}.calc-form-title{font-family:Poppins,sans-serif;font-size:18px;font-weight:700;margin:0 0 18px;color:var(--calc-navy);display:flex;align-items:center;gap:8px;padding-bottom:12px;border-bottom:1px solid var(--calc-border)}.calc-group{margin-bottom:20px}.calc-label{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:700;color:var(--calc-slate);margin-bottom:8px}.calc-label-tip{font-size:11px;font-weight:400;color:var(--calc-muted)}.calc-dual-input{display:grid;grid-template-columns:1fr 1fr;gap:10px}.calc-input-wrap{position:relative;display:flex;align-items:center}.calc-input-wrap input,.calc-group select{width:100%;box-sizing:border-box;padding:11px 44px 11px 14px;border-radius:10px;border:1px solid var(--calc-border);background:#f8fafc;font-size:15px;font-weight:600;color:var(--calc-slate);outline:none;transition:all .2s ease;font-family:inherit}.calc-group select{padding-right:14px;background:#f8fafc url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2364748b' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 14px center;appearance:none;-webkit-appearance:none;cursor:pointer}.calc-input-wrap input:focus,.calc-group select:focus{border-color:#3b82f6;background:#fff;box-shadow:0 0 0 3px #3b82f626}.calc-unit-badge{position:absolute;right:12px;font-size:12px;font-weight:700;color:var(--calc-muted);pointer-events:none}.calc-slider-wrap{margin-top:10px}.calc-slider-wrap input[type=range]{width:100%;accent-color:#3b82f6;cursor:pointer}.calc-phase-pills{display:grid;grid-template-columns:1fr 1fr;gap:10px}.calc-phase-pill{position:relative;cursor:pointer}.calc-phase-pill input{position:absolute;opacity:0;pointer-events:none}.calc-phase-pill-content{display:flex;flex-direction:column;padding:12px 14px;border:1px solid var(--calc-border);border-radius:12px;background:#f8fafc;transition:all .2s ease}.calc-phase-pill-content strong{font-size:14px;font-weight:700;color:var(--calc-slate)}.calc-phase-pill-content small{font-size:11px;color:var(--calc-muted);margin-top:2px}.calc-phase-pill input:checked+.calc-phase-pill-content{background:#eff6ff;border-color:#3b82f6;box-shadow:0 2px 8px #3b82f626}.calc-phase-pill input:checked+.calc-phase-pill-content strong{color:#1d4ed8}.calc-results-card{background:#fff;border:2px solid #e2e8f0;border-radius:18px;padding:24px;box-shadow:0 10px 30px #0f204414;position:sticky;top:90px}.calc-results-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--calc-border)}.calc-results-title{font-family:Poppins,sans-serif;font-size:18px;font-weight:700;margin:0;color:var(--calc-navy);display:flex;align-items:center;gap:8px}.calc-motor-alert{background:linear-gradient(135deg,#fffbeb,#fef3c7);border:1.5px solid #fde047;border-left:4px solid #f59e0b;border-radius:12px;padding:12px 14px;margin-bottom:18px;display:flex;align-items:flex-start;gap:12px;box-shadow:0 2px 10px #f59e0b14}.calc-motor-alert.is-upgraded{background:linear-gradient(135deg,#f0fdf4,#ecfdf5);border-color:#86efac;border-left-color:#10b981}.calc-motor-alert-icon{font-size:22px;line-height:1;flex-shrink:0;margin-top:2px}.calc-motor-alert-body strong{display:block;font-size:13px;font-weight:700;color:#92400e;margin-bottom:3px}.calc-motor-alert.is-upgraded .calc-motor-alert-body strong{color:#065f46}.calc-motor-alert-body p{font-size:11.5px;color:#78350f;margin:0;line-height:1.45}.calc-motor-alert.is-upgraded .calc-motor-alert-body p{color:#047857}.calc-recommend-head{display:flex;justify-content:space-between;align-items:center;gap:6px;margin-bottom:6px}.calc-stepup-badge{font-size:10px;font-weight:700;padding:2px 7px;border-radius:999px;background:#fef08a;color:#854d0e;border:1px solid #facc15;white-space:nowrap}.calc-recommend-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px}@media (max-width: 540px){.calc-recommend-grid{grid-template-columns:1fr}}.calc-recommend-box{padding:16px;border-radius:14px;background:#f8fafc;border:1px solid #e2e8f0;display:flex;flex-direction:column}.calc-recommend-box.highlight-cable{background:linear-gradient(135deg,#f0fdf4,#dcfce7);border-color:#86efac}.calc-recommend-box.highlight-fuse{background:linear-gradient(135deg,#eff6ff,#dbeafe);border-color:#93c5fd}.calc-recommend-tag{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}.highlight-cable .calc-recommend-tag{color:#166534}.highlight-fuse .calc-recommend-tag{color:#1e40af}.calc-recommend-val{font-family:Poppins,sans-serif;font-size:19px;font-weight:800;color:var(--calc-slate);margin-bottom:4px;line-height:1.2}.calc-recommend-sub{font-size:11px;color:var(--calc-muted)}.calc-drop-card{background:#f8fafc;border:1px solid var(--calc-border);border-radius:14px;padding:16px;margin-bottom:20px}.calc-drop-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.calc-drop-title{font-size:13px;font-weight:700;color:var(--calc-slate)}.calc-status-badge{font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px}.calc-status-badge.is-great{background:#dcfce7;color:#15803d}.calc-status-badge.is-good{background:#fef9c3;color:#a16207}.calc-status-badge.is-danger{background:#fee2e2;color:#b91c1c}.calc-progress-track{height:10px;background:#e2e8f0;border-radius:999px;overflow:hidden;margin-bottom:8px}.calc-progress-bar{height:100%;width:25%;border-radius:999px;transition:width .3s ease,background .3s ease}.calc-progress-bar.is-great{background:#10b981}.calc-progress-bar.is-good{background:#f59e0b}.calc-progress-bar.is-danger{background:#ef4444}.calc-drop-desc{font-size:12px;color:var(--calc-muted);line-height:1.4;margin:0}.calc-metrics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:20px;text-align:center}.calc-metric-item{background:#f8fafc;border:1px solid #e2e8f0;padding:10px;border-radius:10px}.calc-metric-label{display:block;font-size:10.5px;color:var(--calc-muted);font-weight:600;margin-bottom:2px}.calc-metric-val{font-size:14px;font-weight:800;color:var(--calc-slate)}.calc-matched-section{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.calc-prod-card{display:flex;align-items:center;gap:14px;padding:12px;border:1px solid var(--calc-border);border-radius:12px;background:#fff;transition:border-color .2s ease,box-shadow .2s ease}.calc-prod-card:hover{border-color:#cbd5e1;box-shadow:0 4px 12px #0000000d}.calc-prod-img{width:52px;height:52px;flex-shrink:0;background:#f8fafc;border-radius:8px;border:1px solid #e2e8f0;display:flex;align-items:center;justify-content:center;overflow:hidden}.calc-prod-img img{width:100%;height:100%;object-fit:contain}.calc-prod-info{flex:1;min-width:0}.calc-prod-tag{font-size:10px;font-weight:800;color:#2563eb;text-transform:uppercase}.calc-prod-info h4{margin:2px 0 3px;font-size:13.5px;font-weight:750;color:var(--calc-slate);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.calc-prod-meta{margin:0;font-size:11px;color:var(--calc-muted)}.calc-prod-action{flex-shrink:0}.calc-btn-add{padding:8px 14px;background:var(--calc-red);color:#fff;border:none;border-radius:9px;font-size:12.5px;font-weight:700;cursor:pointer;transition:all .18s ease;white-space:nowrap}.calc-btn-add:hover{background:#b91c1c;transform:translateY(-1px);box-shadow:0 4px 12px #c8171d40}.calc-btn-add.btn-added{background:#10b981!important}.calc-btn-view{padding:8px 14px;background:#f1f5f9;color:#1e293b;border:1px solid #cbd5e1;border-radius:9px;font-size:12.5px;font-weight:700;text-decoration:none;display:inline-block;white-space:nowrap;transition:all .18s ease}.calc-btn-view:hover{background:#e2e8f0;color:#0f172a}.calc-whatsapp-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;box-sizing:border-box;padding:13px 18px;background:#25d366;color:#fff;border-radius:12px;text-decoration:none;font-size:14px;font-weight:750;transition:all .2s ease;box-shadow:0 4px 14px #25d36640}.calc-whatsapp-btn:hover{background:#20ba5a;transform:translateY(-1px);box-shadow:0 6px 18px #25d36659}.calc-whatsapp-btn svg{fill:currentColor}.calc-guide-section{margin-top:50px;padding-top:36px;border-top:1px solid var(--calc-border)}.calc-guide-header{text-align:center;margin-bottom:30px}.calc-guide-header h2{font-family:Poppins,sans-serif;font-size:24px;font-weight:800;color:var(--calc-navy);margin:0 0 8px}.calc-guide-header p{color:var(--calc-muted);font-size:14px;max-width:640px;margin:0 auto}.calc-guide-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px}@media (max-width: 768px){.calc-guide-cards{grid-template-columns:1fr}}.calc-guide-card{background:#fff;border:1px solid var(--calc-border);border-radius:14px;padding:20px;box-shadow:0 2px 10px #00000008}.calc-guide-icon{font-size:28px;margin-bottom:12px}.calc-guide-card h3{font-family:Poppins,sans-serif;font-size:16px;font-weight:700;color:var(--calc-slate);margin:0 0 8px}.calc-guide-card p{font-size:13px;color:#475569;line-height:1.5;margin:0}.calc-faq-section{background:#fff;border:1px solid var(--calc-border);border-radius:18px;padding:30px;margin-bottom:40px}.calc-faq-title{font-family:Poppins,sans-serif;font-size:20px;font-weight:800;color:var(--calc-navy);margin:0 0 20px;text-align:center}.calc-faq-item{border-bottom:1px solid var(--calc-border);padding:14px 0}.calc-faq-item:last-child{border-bottom:none}.calc-faq-question{display:flex;justify-content:space-between;align-items:center;font-size:15px;font-weight:700;color:var(--calc-slate);cursor:pointer;user-select:none}.calc-faq-question::-webkit-details-marker{display:none}.calc-faq-answer{font-size:13.5px;color:#475569;line-height:1.6;margin-top:10px}.calc-mode-switcher{display:grid;grid-template-columns:1fr 1fr;gap:8px;background:#f1f5f9;padding:4px;border-radius:12px;margin-bottom:16px}.calc-mode-btn{padding:9px 12px;border:none;background:transparent;border-radius:9px;font-size:13px;font-weight:700;color:#475569;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:6px}.calc-mode-btn.is-active{background:#fff;color:#0f172a;box-shadow:0 2px 6px #00000014}.calc-hp-notice{font-size:12px;color:#0369a1;background:#f0f9ff;border:1px solid #bae6fd;border-radius:10px;padding:10px 12px;margin-top:8px;line-height:1.4}.calc-catalog-section{margin-top:36px;background:#fff;border:1px solid var(--calc-border);border-radius:18px;padding:28px;box-shadow:0 4px 18px #0000000a}.calc-catalog-header{text-align:center;margin-bottom:24px}.calc-catalog-header h2{font-family:Poppins,sans-serif;font-size:22px;font-weight:800;color:var(--calc-navy);margin:0 0 6px}.calc-catalog-header p{font-size:13.5px;color:var(--calc-muted);max-width:600px;margin:0 auto}.calc-catalog-group-title{font-family:Poppins,sans-serif;font-size:15px;font-weight:750;color:var(--calc-slate);margin:24px 0 12px;display:flex;align-items:center;gap:8px}.calc-catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.calc-catalog-item{border:1px solid #e2e8f0;border-radius:12px;padding:12px 14px;background:#f8fafc;display:flex;align-items:center;justify-content:space-between;gap:10px;cursor:pointer;transition:all .2s ease}.calc-catalog-item:hover{background:#eff6ff;border-color:#93c5fd;transform:translateY(-1px);box-shadow:0 4px 12px #3b82f61a}.calc-cat-info{min-width:0}.calc-cat-title{display:block;font-size:13px;font-weight:700;color:var(--calc-slate);margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.calc-cat-range{font-size:11px;color:var(--calc-muted)}.calc-cat-badge{flex-shrink:0;background:#dbeafe;color:#1d4ed8;font-size:11.5px;font-weight:800;padding:4px 8px;border-radius:8px;white-space:nowrap}.calc-cat-badge.hp{background:#e0f2fe;color:#0369a1}@media (max-width: 900px){.calc-page-wrapper{padding:12px 12px 115px}.calc-breadcrumb{margin-bottom:12px;font-size:12px}.calc-breadcrumb-back{padding:5px 12px;font-size:11.5px}.calc-hero{padding:18px 14px 22px;border-radius:16px;margin-bottom:16px}.calc-hero-badge{font-size:11px;padding:4px 10px;margin-bottom:8px}.calc-hero h1{font-size:clamp(20px,5.2vw,25px);margin-bottom:6px}.calc-hero p{font-size:12.5px;line-height:1.45}.calc-presets-section{margin-bottom:16px}.calc-presets-title{font-size:11.5px;margin-bottom:8px}.calc-presets-grid{gap:6px;padding-bottom:6px;-webkit-overflow-scrolling:touch;scroll-snap-type:x mandatory}.calc-preset-chip{scroll-snap-align:start;padding:8px 12px;font-size:12px;border-radius:10px;min-height:40px}.calc-grid{grid-template-columns:1fr;gap:16px}.calc-form-card{padding:16px;border-radius:16px}.calc-form-title{font-size:15.5px;margin-bottom:14px;padding-bottom:10px}.calc-group{margin-bottom:16px}.calc-mode-switcher{gap:6px;padding:3px;margin-bottom:14px}.calc-mode-btn{padding:8px 10px;font-size:12px;min-height:40px}.calc-input-wrap input{font-size:16px;padding:10px 48px 10px 12px}.calc-slider-wrap{margin-top:8px}.calc-phase-pills{gap:8px}.calc-phase-pill-content{padding:10px 12px;border-radius:10px}.calc-phase-pill-content strong{font-size:12.5px}.calc-phase-pill-content small{font-size:10px}.calc-dual-input{grid-template-columns:1fr;gap:12px}.calc-group select{font-size:14px;padding:10px 36px 10px 12px;min-height:44px}.calc-results-card{padding:16px;border-radius:16px;position:relative;top:0}.calc-results-header{margin-bottom:14px;padding-bottom:10px}.calc-results-title{font-size:15.5px}.calc-status-badge{font-size:11px;padding:3px 8px}.calc-motor-alert{padding:10px 12px;margin-bottom:14px;gap:10px}.calc-motor-alert-icon{font-size:18px}.calc-motor-alert-body strong{font-size:12px}.calc-motor-alert-body p{font-size:11px;line-height:1.4}.calc-recommend-grid{grid-template-columns:1fr 1fr!important;gap:8px;margin-bottom:14px}.calc-recommend-box{padding:12px;border-radius:12px}.calc-recommend-tag{font-size:9.5px;margin-bottom:4px}.calc-stepup-badge{font-size:9px;padding:2px 5px}.calc-recommend-val{font-size:15px;margin-bottom:2px}.calc-recommend-sub{font-size:9.5px;line-height:1.25}.calc-drop-card{padding:12px;border-radius:12px;margin-bottom:14px}.calc-drop-title{font-size:12px}.calc-drop-desc{font-size:11px}.calc-metrics-grid{gap:6px;margin-bottom:14px}.calc-metric-item{padding:8px 4px;border-radius:8px}.calc-metric-label{font-size:9.5px}.calc-metric-val{font-size:13px}.calc-matched-section{gap:10px;margin-bottom:14px}.calc-prod-card{padding:10px;gap:10px;border-radius:10px}.calc-prod-img{width:46px;height:46px}.calc-prod-info h4{font-size:12px}.calc-prod-meta{font-size:10.5px}.calc-btn-add,.calc-btn-view{padding:8px 10px;font-size:11.5px;min-height:40px}.calc-whatsapp-btn{padding:12px 14px;font-size:12.5px;border-radius:10px;min-height:46px}.calc-catalog-section{padding:16px;border-radius:16px;margin-top:24px}.calc-catalog-header h2{font-size:17px}.calc-catalog-header p{font-size:12px}.calc-catalog-group-title{font-size:13.5px;margin:18px 0 10px}.calc-catalog-grid{grid-template-columns:1fr;gap:8px}.calc-catalog-item{padding:10px 12px;min-height:44px}.calc-cross-promo{flex-direction:column!important;align-items:stretch!important;padding:20px 16px!important;margin-top:32px!important;border-radius:14px!important;gap:14px!important}.calc-cross-promo a{width:100%!important;justify-content:center!important;box-sizing:border-box!important;text-align:center!important}}@media (max-width: 380px){.calc-page-wrapper{padding:8px 8px 115px}.calc-recommend-grid{grid-template-columns:1fr!important}.calc-recommend-val{font-size:16px}.calc-phase-pills{grid-template-columns:1fr}}