Perfect! Here's the CSS for your custom module:

### **CSS Section:**

```css
@import url('https://fonts.googleapis.com/css2?family=Urbanist:wght@600;700&family=Noto+Sans:wght@400;600;700&display=swap');

*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Noto Sans',sans-serif;background:transparent;color:#000;line-height:1.6;min-height:100vh}
.container{max-width:1200px;width:100%;margin:0 auto;background:#fff;border-radius:0;overflow:hidden}
@media(min-width:768px){.container{border-radius:8px}}
.main-content{padding:30px 20px}
@media(min-width:768px){.main-content{padding:40px 30px}}
@media(min-width:1024px){.main-content{padding:50px 40px}}
.calculator-grid{display:grid;grid-template-columns:1fr 2fr;gap:40px;margin-bottom:40px}
@media(max-width:768px){.calculator-grid{grid-template-columns:1fr;gap:30px}}
.inputs-section,.results-section{background:#E5F4EF;padding:30px;border-radius:8px}
.section-title{font-family:'Urbanist',sans-serif;font-size:24px;color:#44878C;margin-bottom:25px;font-weight:600}
.input-group{margin-bottom:25px}
.input-label{display:block;font-weight:600;margin-bottom:8px;color:#000;font-size:14px}
.input-value{color:#44878C;font-weight:700;font-size:16px}
select,input[type="range"]{width:100%;padding:10px;border:1px solid rgba(0,0,0,.23);border-radius:4px;font-size:16px;font-family:'Noto Sans',sans-serif;transition:border-color .3s}
select{background:#fff}
select:focus{outline:none;border-color:#44878C}
input[type="range"]{-webkit-appearance:none;height:6px;background:rgba(68,135,140,.2);border:none;padding:0}
input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;background:#44878C;cursor:pointer;border-radius:50%}
input[type="range"]::-moz-range-thumb{width:18px;height:18px;background:#44878C;cursor:pointer;border-radius:50%;border:none}
.partial-result{background:#fff;border:2px solid #44878C;border-radius:8px;padding:30px;margin-bottom:20px}
.results-preview-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:768px){.results-preview-grid{grid-template-columns:1fr;gap:15px}}
.preview-metric{text-align:center}
.preview-icon{font-size:2.5em;margin-bottom:8px}
.preview-label{font-size:14px;font-weight:600;color:rgba(0,0,0,.6);margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px}
.preview-value{font-size:28px;font-weight:700;color:#44878C}
.cta-btn{background:#44878C;color:#fff;border:none;padding:20px 32px;font-size:18px;font-weight:700;border-radius:8px;cursor:pointer;width:100%;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:12px;box-shadow:0 4px 12px rgba(68,135,140,.3)}
.cta-btn:hover{background:#3A6363;transform:translateY(-2px);box-shadow:0 6px 16px rgba(68,135,140,.4)}
.cta-btn:active{transform:translateY(0)}
.cta-icon{font-size:24px}
.cta-text{flex:1}
.cta-arrow{font-size:24px;transition:transform .3s ease}
.cta-btn:hover .cta-arrow{transform:translateX(4px)}
.hidden{display:none!important}
.email-gate{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .3s ease-in;backdrop-filter:blur(4px)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.email-overlay{background:#fff;padding:40px;border-radius:8px;border:1px solid rgba(0,0,0,.12);box-shadow:0 8px 32px rgba(0,0,0,.2);max-width:480px;width:100%;position:relative;animation:slideUp .4s ease-out}
@media(max-width:768px){.email-overlay{padding:30px 20px}}
@keyframes slideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.close-modal{position:absolute;top:15px;right:15px;background:none;border:none;font-size:28px;color:rgba(0,0,0,.4);cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;transition:color .2s;padding:0;line-height:1}
.close-modal:hover{color:rgba(0,0,0,.8)}
.email-overlay h3{color:#44878C;margin-bottom:20px;font-size:20px;font-weight:600}
.form-group{margin-bottom:15px}
.form-group label{display:block;font-weight:600;margin-bottom:5px;color:#000;font-size:14px}
.form-group input{width:100%;padding:10px 12px;border:1px solid rgba(0,0,0,.23);border-radius:4px;font-size:16px;transition:border-color .3s}
.form-group input:focus{outline:none;border-color:#44878C}
.submit-btn{background:#44878C;color:#fff;border:none;padding:12px 32px;font-size:16px;font-weight:600;border-radius:4px;cursor:pointer;width:100%;transition:background .2s}
.submit-btn:hover{background:#3A6363}
.submit-btn:active{transform:scale(.98)}
.full-results{animation:fadeInUp .6s ease-out;margin-top:30px}
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.sustainability-impact-card{background:linear-gradient(135deg,#006982 0%,#13a199 100%)!important;color:#fff;padding:40px 30px;border-radius:8px;text-align:center;border:1px solid rgba(19,161,153,.3);margin-bottom:25px;box-shadow:0 4px 12px rgba(0,105,130,.3)}
.hero-sustain-icon-large{font-size:48px;line-height:1;margin-bottom:20px}
.hero-sustain-number-large{font-size:56px;font-weight:700;line-height:1;margin-bottom:12px;color:#fff}
.hero-sustain-label-large{font-size:16px;font-weight:600;line-height:1.4;margin-bottom:12px;color:#fff}
.hero-sustain-explanation{font-size:13px;line-height:1.5;color:rgba(255,255,255,.85)}
.detailed-breakdown{background:#fff;padding:25px;border-radius:8px;border:1px solid rgba(0,0,0,.12);margin-bottom:20px}
.breakdown-title{font-size:20px;color:#44878C;margin-bottom:20px;font-weight:600}
.result-item{display:grid;grid-template-columns:1fr auto;gap:20px;padding:14px 0;border-bottom:1px solid rgba(0,0,0,.08);align-items:baseline}
.result-item:last-child{border-bottom:none}
.result-label{font-weight:600;color:rgba(0,0,0,.87);font-size:14px;text-align:left}
.result-value{font-weight:700;color:#44878C;font-size:16px;text-align:right;white-space:nowrap}
.info-icon{display:inline-block;margin-left:6px;color:rgba(0,0,0,.4);font-size:14px;cursor:help;position:relative;transition:color .2s;user-select:none}
.info-icon:hover{color:#44878C}
.info-icon::after{content:attr(data-tooltip);position:absolute;left:50%;bottom:calc(100% + 10px);transform:translateX(-50%);background:#fff;color:rgba(0,0,0,.87);padding:12px 16px;border-radius:6px;box-shadow:0 4px 12px rgba(0,0,0,.15);font-size:13px;line-height:1.5;font-weight:400;width:280px;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s;pointer-events:none;z-index:1000;border:1px solid rgba(0,0,0,.1)}
.info-icon::before{content:'';position:absolute;left:50%;bottom:calc(100% + 2px);transform:translateX(-50%);border:8px solid transparent;border-top-color:#fff;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s;z-index:1001;filter:drop-shadow(0 2px 2px rgba(0,0,0,.1))}
.info-icon:hover::after,.info-icon:hover::before,.info-icon.active::after,.info-icon.active::before{opacity:1;visibility:visible}
@media(max-width:768px){.info-icon::after{left:auto;right:0;transform:none;width:260px}.info-icon::before{left:auto;right:20px;transform:none}}
.roi-badge{display:inline-block;padding:4px 12px;border-radius:4px;font-weight:600;margin-left:8px;font-size:12px}
.roi-good{background:rgba(68,135,140,.1);color:#3A6363}
.roi-strong{background:rgba(68,135,140,.15);color:#3A6363}
.roi-excellent{background:rgba(68,135,140,.2);color:#3A6363}
.business-impact-note{background:#f0f9f7;border-left:4px solid #13a199;padding:20px 25px;border-radius:6px;margin-bottom:25px;display:flex;gap:15px;align-items:flex-start;border:1px solid rgba(19,161,153,.2)}
.business-impact-icon{font-size:28px;line-height:1;flex-shrink:0}
.business-impact-text{font-size:14px;line-height:1.7;color:rgba(0,0,0,.85)}
.business-impact-text strong{color:#006982;font-weight:700}
.email-error{color:#d32f2f;font-size:13px;margin-top:6px;display:none;line-height:1.4}
.email-error.visible{display:block}
.form-group input.error{border-color:#d32f2f;border-width:2px}
.action-buttons{display:flex;gap:12px;margin-top:20px}
@media(max-width:768px){.action-buttons{flex-direction:column}}
.copy-btn,.custom-analysis-btn{flex:1;padding:12px 24px;font-size:16px;font-weight:600;border-radius:4px;cursor:pointer;transition:background .2s;border:none}
.copy-btn{background:#3A6363;color:#fff}
.copy-btn:hover{background:#2d4d4d}
.custom-analysis-btn{background:#44878C;color:#fff}
.custom-analysis-btn:hover{background:#3A6363}
.custom-analysis-subtext{text-align:center;font-size:14px;color:rgba(0,0,0,.6);margin-top:8px}
.disclaimer{background:#E5F4EF;padding:16px;border-radius:4px;font-size:14px;color:rgba(0,0,0,.6);margin-top:20px;border-left:3px solid #44878C}
.copy-success{background:#44878C;color:#fff;padding:12px 20px;border-radius:4px;position:fixed;top:20px;right:20px;z-index:1000;animation:slideIn .3s ease-out;font-weight:600}
@keyframes slideIn{from{transform:translateX(400px);opacity:0}to{transform:translateX(0);opacity:1}}
```

Now I'll provide the JS section in the next message!