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.info-tooltip:after{content:attr(data-tooltip);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%);padding:.5rem .75rem;background:var(--text-color);color:#fff;font-size:.78rem;font-weight:400;border-radius:6px;max-width:280px;white-space:normal;line-height:1.4;opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--transition-fast),visibility var(--transition-fast);z-index:100;box-shadow:0 4px 12px #00000026}.calc-single-page .info-tooltip:hover:after{opacity:1;visibility:visible}.calc-single-page .hero-section{text-align:center;padding:2rem 1rem 1rem}.calc-single-page .hero-section h1{font-size:1.75rem;color:var(--text-color);margin-bottom:.25rem}.calc-single-page .hero-section .subtitle{font-size:1rem;color:var(--text-secondary);font-weight:400;letter-spacing:.02em}@media (max-width: 768px){.calc-single-page{--card-padding: 1rem;--section-gap: 1.25rem}.calc-single-page .wizard-container{padding:0 .5rem}.calc-single-page .step-indicator{padding:1rem 0 1.5rem}.calc-single-page .step-circle{width:30px;height:30px;font-size:.75rem}.calc-single-page .step-label{font-size:.7rem}.calc-single-page .step-indicator-item:not(:last-child):after{top:15px;left:calc(50% + 16px);width:calc(100% - 32px)}.calc-single-page .form-row{flex-direction:column;gap:0}.calc-single-page .installation-cards{flex-direction:column;align-items:stretch}.calc-single-page .installation-card{max-width:none}.calc-single-page .result-summary-card{flex-direction:column}.calc-single-page .btn-nav-row{flex-direction:column-reverse;gap:.75rem}.calc-single-page .btn-nav-row .btn-nav{width:100%;justify-content:center}.calc-single-page .hero-section h1{font-size:1.35rem}.calc-single-page .result-value{font-size:1.5rem}}@media (max-width: 480px){.calc-single-page .step-label{font-size:.6rem}.calc-single-page .step-circle{width:26px;height:26px;font-size:.7rem}}.calculator-layout[data-astro-cid-wkltarji]{display:flex;min-height:100vh}main[data-astro-cid-wkltarji]{flex:1;margin-left:280px;padding:2rem;max-width:calc(100% - 280px);transition:margin-left .3s ease,max-width .3s ease}body.sidebar-unpinned main[data-astro-cid-wkltarji]{margin:0 auto;max-width:1400px}.page-header[data-astro-cid-wkltarji]{margin-bottom:2rem;animation:fadeIn .8s ease-out}.breadcrumb[data-astro-cid-wkltarji]{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:#64748b;margin-bottom:1.5rem}.breadcrumb[data-astro-cid-wkltarji] a[data-astro-cid-wkltarji]{color:#64748b;text-decoration:none;transition:color .3s ease}.breadcrumb[data-astro-cid-wkltarji] a[data-astro-cid-wkltarji]:hover{color:var(--primaryColor)}.breadcrumb[data-astro-cid-wkltarji] .separator[data-astro-cid-wkltarji]{color:#94a3b8}.breadcrumb[data-astro-cid-wkltarji] .current[data-astro-cid-wkltarji]{color:var(--primaryColor);font-weight:500}h1[data-astro-cid-wkltarji]{font-size:2.5rem;font-weight:800;color:var(--primaryColor);margin-bottom:.5rem}.hero-subtitle[data-astro-cid-wkltarji]{font-size:1.15rem;color:#64748b;margin:0}.content[data-astro-cid-wkltarji]{max-width:1200px}footer[data-astro-cid-wkltarji]{margin-top:3rem;padding-top:1.5rem;border-top:1px solid #e2e8f0;color:#64748b;font-size:.85rem;text-align:center}.internal-disclaimer[data-astro-cid-wkltarji]{background:#fef2f2;border:1px solid #fca5a5;border-radius:8px;padding:.75rem 1.25rem;margin-bottom:1rem;font-size:.85rem;font-weight:500;color:#991b1b;text-align:center}@keyframes fadeIn{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 1024px){main[data-astro-cid-wkltarji]{margin-left:240px;max-width:calc(100% - 240px);padding:1.5rem}body.sidebar-unpinned main[data-astro-cid-wkltarji]{margin-left:0;max-width:100%}}@media (max-width: 768px){main[data-astro-cid-wkltarji]{margin-left:0;max-width:100%;padding:1rem}h1[data-astro-cid-wkltarji]{font-size:1.75rem}}