.hero{text-align:center;background:linear-gradient(145deg,#eef8ff,#f8fdff);padding:4rem 1.5rem 3rem}.back-link{display:inline-block;color:var(--muted);text-decoration:none;font-size:.9rem;margin-bottom:1rem;transition:color .2s}.back-link:hover{color:var(--accent-blue)}.back-link-bottom{text-align:center;margin:2.5rem auto 0;padding:2rem 1.5rem;border-top:1px solid var(--border);max-width:900px}.back-link-bottom .back-link{font-size:.95rem;font-weight:500}.hero h1{font-family:Outfit,system-ui,sans-serif;font-size:clamp(1.8rem,4vw,2.5rem);font-weight:800;margin-bottom:.75rem}.hero p{color:var(--muted);max-width:600px;margin:0 auto;font-size:1.1rem}.tool-section{padding:3rem 1.5rem;max-width:900px;margin:0 auto}.tool-container{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-soft);padding:2rem}.tool-form{display:flex;flex-direction:column;gap:2rem}.form-section{padding-bottom:1.5rem;border-bottom:1px solid var(--border)}.form-section:last-of-type{border-bottom:none;padding-bottom:0}.form-section h3{font-family:Outfit,system-ui,sans-serif;font-size:1rem;font-weight:700;color:var(--accent-blue);margin-bottom:1rem}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}@media(max-width:600px){.form-row{grid-template-columns:1fr}}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:600;color:var(--text);font-size:.95rem}.form-group input,.form-group select{padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem;color:var(--text);background:#fff}.input-with-prefix,.input-with-suffix{display:flex;align-items:stretch}.input-with-prefix input{border-top-left-radius:0;border-bottom-left-radius:0;flex:1}.input-with-suffix input{border-top-right-radius:0;border-bottom-right-radius:0;flex:1}.prefix,.suffix{display:flex;align-items:center;padding:0 .75rem;background:var(--bg2);border:1px solid var(--border);color:var(--muted);font-weight:600}.prefix{border-right:none;border-radius:var(--radius) 0 0 var(--radius)}.suffix{border-left:none;border-radius:0 var(--radius) var(--radius) 0}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--accent-blue);box-shadow:0 0 0 3px #2ec0f91a}.form-group input::placeholder{color:#c0c4c9}.hint{font-size:.8rem;color:var(--muted)}.form-group select{cursor:pointer;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='%2363676d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center}.tool-form .btn{align-self:flex-start;padding:.85rem 2rem;font-size:1rem}.results-section{margin-top:2rem;display:none}.results-section.visible{display:block}.roi-output{display:flex;flex-direction:column;gap:1.5rem}.roi-main-card{background:linear-gradient(135deg,#1e88e5,#42a5f5);border-radius:var(--radius);padding:2rem;color:#fff;text-align:center;box-shadow:0 4px 20px #1e88e54d}.roi-main-card.positive{background:linear-gradient(135deg,var(--accent-green),#76df6a);box-shadow:0 4px 20px #50b8474d}.roi-main-card.negative{background:linear-gradient(135deg,#e53935,#ef5350);box-shadow:0 4px 20px #e539354d}.roi-main-value{font-family:Outfit,system-ui,sans-serif;font-size:3.5rem;font-weight:800;margin-bottom:.5rem}.roi-main-label{font-size:.9rem;opacity:.9;text-transform:uppercase;letter-spacing:1px}.roi-main-description{margin-top:1rem;font-size:1rem;opacity:.95}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.metric-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;text-align:center;transition:border-color .2s,box-shadow .2s}.metric-card:hover{border-color:var(--accent-blue);box-shadow:0 2px 8px #2ec0f91a}.metric-value{font-family:Outfit,system-ui,sans-serif;font-size:1.75rem;font-weight:700;color:var(--accent-blue);margin-bottom:.25rem}.metric-value.green{color:var(--accent-green)}.metric-label{font-size:.85rem;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}.metric-sublabel{font-size:.75rem;color:var(--muted);margin-top:.25rem}.breakdown-section{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem}.breakdown-section h3{font-family:Outfit,system-ui,sans-serif;font-size:1rem;font-weight:700;color:var(--text);margin-bottom:1rem}.breakdown-list{display:flex;flex-direction:column;gap:.75rem}.breakdown-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;background:#fff;border-radius:var(--radius);font-size:.9rem}.breakdown-item .label{color:var(--muted)}.breakdown-item .value{font-weight:600;color:var(--text)}.breakdown-item .value.positive{color:var(--accent-green)}.breakdown-item .value.negative{color:#e53935}.info-section{background:var(--bg2);padding:4rem 1.5rem}.info-section h2{text-align:center;font-family:Outfit,system-ui,sans-serif;font-size:1.75rem;margin-bottom:2rem}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;max-width:900px;margin:0 auto}.info-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;text-align:center}.info-card h3{color:var(--accent-green);font-size:1rem;margin-bottom:.5rem}.info-card p{color:var(--muted);font-size:.9rem;margin:0;line-height:1.5}