*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:linear-gradient(180deg,#f8f6f4,#f5f0eb 30%,#efe8e0);min-height:100vh;padding:60px 20px;position:relative;overflow-x:hidden}body:before{content:"";position:absolute;top:0;left:0;right:0;height:300px;background:linear-gradient(180deg,rgba(230,220,245,.3) 0%,transparent 100%);pointer-events:none}.container{max-width:1000px;margin:0 auto;position:relative}.main-content{display:grid;grid-template-columns:1fr 1fr;gap:40px}@media (max-width: 768px){.main-content{grid-template-columns:1fr}.header h1{font-size:36px}.iceberg-decoration{width:120px;height:120px;top:0}}.header{margin-bottom:48px;position:relative}.header h1{font-family:Playfair Display,Georgia,serif;font-size:48px;font-weight:500;color:#1a1a2e;line-height:1.2;margin-bottom:24px}.header h1 .highlight{color:#6366f1}.iceberg-decoration{position:absolute;top:-60px;right:80px;width:160px;height:160px;opacity:1}.iceberg-decoration svg{width:100%;height:100%}.calculator-card{background:#ffffffb3;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:24px;padding:40px;box-shadow:0 4px 40px #0000000a;border:1px solid rgba(255,255,255,.8)}.controls-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px;padding:0;background:transparent;flex-wrap:wrap}.controls-left{display:flex;align-items:center;gap:12px}.language-selector{display:flex;align-items:center}.language-select{background:#fff;border:1px solid #e2e2e8;border-radius:8px;padding:10px 30px 10px 12px;font-family:Inter,sans-serif;font-size:13px;font-weight:500;color:#1a1a2e;cursor:pointer;height:40px;box-sizing:border-box;-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236366f1' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center}.language-select:hover{border-color:#6366f1}.language-select:focus{outline:none;border-color:#6366f1}.reset-btn{background:#ef4444;border:none;border-radius:8px;padding:10px 20px;font-family:Inter,sans-serif;font-size:13px;font-weight:500;color:#fff;cursor:pointer;transition:all .2s}.reset-btn:hover{background:#dc2626}.preset-dropdown{position:relative}.preset-link{color:#6366f1;text-decoration:none;font-size:13px;font-weight:500;transition:all .2s;cursor:pointer;background:#fff;padding:10px 16px;border-radius:8px;border:1px solid #e2e2e8;display:inline-flex;align-items:center;height:40px;box-sizing:border-box}.preset-link:hover{border-color:#6366f1;background:#f5f5ff}.preset-menu{position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%);background:#fff;border-radius:12px;box-shadow:0 4px 24px #0000001f;padding:8px;min-width:200px;z-index:100}.preset-item{padding:12px 16px;border-radius:8px;cursor:pointer;transition:background .2s}.preset-item:hover{background:#f5f5fa}.preset-item-title{font-size:14px;font-weight:600;color:#1a1a2e;margin-bottom:4px}.preset-item-desc{font-size:12px;color:#5a5a6e}.studies-control{display:flex;align-items:center;gap:8px;background:#fff;padding:10px 16px;border-radius:8px;border:1px solid #e2e2e8;height:40px;box-sizing:border-box}.studies-control label{font-size:13px;color:#5a5a6e}.studies-input{width:45px;text-align:center;border:none;background:transparent;font-family:Inter,sans-serif;font-size:14px;font-weight:600;color:#1a1a2e}.studies-input:focus{outline:none}.inputs-section{background:#fff;border-radius:16px;padding:28px;box-shadow:0 2px 12px #00000008}.section-title{font-family:Playfair Display,Georgia,serif;font-size:20px;font-weight:500;color:#1a1a2e;margin-bottom:24px}.input-group{margin-bottom:28px}.input-group:last-child{margin-bottom:0}.input-group-spaced{margin-top:36px;padding-top:20px;border-top:1px solid #e2e2e8}.input-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.input-row label{font-size:14px;font-weight:500;color:#1a1a2e}.input-row input[type=number]{width:70px;text-align:center;border:1px solid #e2e2e8;border-radius:6px;padding:10px 12px;font-family:Inter,sans-serif;font-size:14px;font-weight:500;color:#1a1a2e}.input-row input[type=number]:focus{outline:none;border-color:#6366f1}.slider-container{position:relative;height:8px}input[type=range]{-webkit-appearance:none;width:100%;height:4px;background:#e2e2e8;border-radius:2px;outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;background:#6366f1;border-radius:50%;cursor:pointer;box-shadow:0 2px 8px #6366f166;transition:transform .2s}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.1)}input[type=range]::-moz-range-thumb{width:18px;height:18px;background:#6366f1;border-radius:50%;cursor:pointer;border:none;box-shadow:0 2px 8px #6366f166}.custom-select{width:100%;padding:14px 16px;border:1px solid #e2e2e8;border-radius:8px;font-family:Inter,sans-serif;font-size:14px;font-weight:500;color:#1a1a2e;background:#fff;cursor:pointer;-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236366f1' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}.custom-select:focus{outline:none;border-color:#6366f1}.incentive-input{display:flex;align-items:center;gap:4px}.incentive-input .dollar{font-size:14px;color:#5a5a6e}.results-section{background:#fff;border-radius:16px;padding:28px;box-shadow:0 2px 12px #00000008}.cost-item{display:flex;justify-content:space-between;align-items:center;padding:10px 0}.cost-label{font-size:14px;color:#1a1a2e}.cost-value{font-family:Playfair Display,Georgia,serif;font-size:18px;font-weight:500;color:#1a1a2e;text-align:right}.total-row{display:flex;justify-content:space-between;align-items:center;padding-top:16px;margin-top:8px;border-top:1px solid #e2e2e8}.total-label{font-family:Playfair Display,Georgia,serif;font-size:18px;font-weight:500;color:#1a1a2e}.total-value{font-family:Playfair Display,Georgia,serif;font-size:32px;font-weight:600;color:#6366f1}.cost-bar{display:flex;height:44px;border-radius:10px;overflow:hidden;margin-top:24px}.cost-bar-segment{display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:500;color:#fff;transition:width .3s ease;white-space:nowrap;overflow:hidden}.cost-bar-iceberg{background:linear-gradient(135deg,#6366f1,#818cf8)}.cost-bar-incentives{background:linear-gradient(135deg,#a5b4fc,#c7d2fe);color:#1a1a2e}.cost-bar-recruitment{background:linear-gradient(135deg,#e0e7ff,#eef2ff);color:#6366f1}.cost-bar-respondents{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#fff}.legend{display:flex;gap:20px;margin-top:16px;flex-wrap:wrap}.legend-item{display:flex;align-items:center;gap:8px;font-size:13px;color:#5a5a6e}.legend-dot{width:12px;height:12px;border-radius:4px}.legend-dot.iceberg{background:linear-gradient(135deg,#6366f1,#818cf8)}.legend-dot.incentives{background:linear-gradient(135deg,#a5b4fc,#c7d2fe)}.legend-dot.recruitment{background:linear-gradient(135deg,#e0e7ff,#eef2ff)}.legend-dot.respondents{background:linear-gradient(135deg,#f59e0b,#fbbf24)}.info-card{display:flex;align-items:flex-start;gap:14px;margin-top:20px;padding:18px 22px;background:linear-gradient(135deg,#fef3c7,#fef9c3);border-radius:12px;border:1px solid #fcd34d}.info-icon{flex-shrink:0;width:24px;height:24px;background:#f59e0b;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;font-style:italic;font-family:Georgia,serif}.info-card p{font-size:14px;color:#92400e;line-height:1.5;margin:0}.footer{margin-top:40px;display:flex;align-items:center;gap:12px}.footer-line{width:40px;height:2px;background:#1a1a2e}.footer-text{font-size:14px;font-weight:500;color:#6366f1;letter-spacing:.5px}.panel-value{font-size:14px;font-weight:600;color:#6366f1;background:#f5f5ff;padding:8px 14px;border-radius:6px}.disclaimer{margin-top:24px;padding:16px 20px;background:#f8f8fa;border-radius:8px;font-size:12px;color:#5a5a6e;line-height:1.5}.toggle-container{display:flex;gap:8px;margin-top:8px}.toggle-btn{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 16px;border:2px solid #e2e2e8;border-radius:10px;background:#fff;cursor:pointer;transition:all .2s ease;font-family:Inter,sans-serif;font-size:13px;font-weight:500;color:#5a5a6e}.toggle-btn:hover{border-color:#6366f1;background:#f5f5ff}.toggle-btn.active{border-color:#6366f1;background:#f5f5ff;color:#1a1a2e}.toggle-price{font-size:11px;font-weight:600;color:#6366f1}