#fence-post-concrete-calculator{--cc-primary:#FF6B35;--cc-primary-dark:#E5522A;--cc-secondary:#2C3E50;--cc-success:#27AE60;--cc-warning:#F39C12;--cc-danger:#E74C3C;--cc-light:#F8F9FA;--cc-border:#E0E0E0;--cc-text:#333333;--cc-text-light:#666666;--cc-white:#FFFFFF;--cc-shadow:0 4px 20px rgba(255, 107, 53, 0.12);--cc-radius:12px;--cc-radius-sm:8px;--cc-transition:all 0.3s ease}.cc-tool{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.6;color:var(--cc-text);max-width:1200px;margin:0 auto;padding:0 16px;box-sizing:border-box}.cc-tool *,.cc-tool *::before,.cc-tool *::after{box-sizing:border-box}.cc-tool a{color:var(--cc-primary);text-decoration:none;transition:var(--cc-transition)}.cc-tool a:hover{color:var(--cc-primary-dark);text-decoration:underline}.cc-tool h1,.cc-tool h2,.cc-tool h3,.cc-tool h4{color:var(--cc-secondary);line-height:1.3;margin-top:0}.cc-tool h1{font-size:clamp(1.5rem, 4vw, 2.25rem);margin-bottom:1rem}.cc-tool h2{font-size:clamp(1.25rem, 3vw, 1.75rem);margin-bottom:1rem}.cc-tool h3{font-size:clamp(1.1rem, 2.5vw, 1.35rem);margin-bottom:.75rem}.cc-tool h4{font-size:1.05rem;margin-bottom:.5rem}.cc-tool ul,.cc-tool ol{padding-left:1.5rem;margin:.5rem 0 1rem}.cc-tool ul li,.cc-tool ol li{margin-bottom:.35rem;line-height:1.6}.cc-tool p{margin:0 0 1rem}.cc-tool .cc-tool-hero{background:linear-gradient(135deg,var(--cc-secondary) 0%,#3d5166 100%);color:var(--cc-white);padding:2.5rem 2rem;border-radius:var(--cc-radius);margin-bottom:2rem;border-left:6px solid var(--cc-primary);position:relative;overflow:hidden}.cc-tool .cc-tool-hero::before{content:'';position:absolute;top:-40px;right:-40px;width:200px;height:200px;background:rgba(255,107,53,.1);border-radius:50%;pointer-events:none}.cc-tool .cc-tool-hero h1{color:var(--cc-white);font-size:clamp(1.4rem, 3.5vw, 2.1rem);margin-bottom:.75rem;line-height:1.2}.cc-tool .cc-tool-intro{font-size:1.05rem;color:rgba(255,255,255,.92);margin:0 0 1.25rem;max-width:800px;line-height:1.7}.cc-tool .cc-trust-badges{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1rem}.cc-tool .cc-badge{background:rgba(255,107,53,.85);color:var(--cc-white);padding:.4rem .9rem;border-radius:20px;font-size:.82rem;font-weight:600;letter-spacing:.3px;border:1px solid rgba(255,255,255,.3);white-space:nowrap}.cc-tool .cc-key-facts{margin-bottom:2rem}.cc-tool .cc-key-facts h2{text-align:center;margin-bottom:1.5rem;position:relative;padding-bottom:.75rem}.cc-tool .cc-key-facts h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:var(--cc-primary);border-radius:2px}.cc-tool .cc-facts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem}.cc-tool .cc-fact-card{background:var(--cc-white);border:1px solid var(--cc-border);border-top:4px solid var(--cc-primary);border-radius:var(--cc-radius);padding:1.5rem;text-align:center;box-shadow:var(--cc-shadow);transition:var(--cc-transition)}.cc-tool .cc-fact-card:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(255,107,53,.2)}.cc-tool .cc-fact-icon{font-size:2.2rem;display:block;margin-bottom:.5rem}.cc-tool .cc-fact-card h3{font-size:.9rem;text-transform:uppercase;letter-spacing:.8px;color:var(--cc-text-light);margin-bottom:.4rem}.cc-tool .cc-fact-value{font-size:2rem;font-weight:700;color:var(--cc-primary);line-height:1.1;margin:.3rem 0 .5rem}.cc-tool .cc-fact-description{font-size:.85rem;color:var(--cc-text-light);margin:0;line-height:1.5}.cc-tool .cc-who-can-use{margin-bottom:2rem}.cc-tool .cc-who-can-use h2{text-align:center;margin-bottom:1.5rem;position:relative;padding-bottom:.75rem}.cc-tool .cc-who-can-use h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:var(--cc-primary);border-radius:2px}.cc-tool .cc-audience-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem}.cc-tool .cc-audience-card{background:var(--cc-white);border:1px solid var(--cc-border);border-radius:var(--cc-radius);padding:1.5rem;box-shadow:var(--cc-shadow);transition:var(--cc-transition)}.cc-tool .cc-audience-card:hover{border-color:var(--cc-primary);transform:translateY(-3px);box-shadow:0 8px 25px rgba(255,107,53,.18)}.cc-tool .cc-audience-icon{font-size:2rem;display:block;margin-bottom:.6rem}.cc-tool .cc-audience-card h3{font-size:1rem;color:var(--cc-secondary);margin-bottom:.4rem}.cc-tool .cc-audience-card p{font-size:.875rem;color:var(--cc-text-light);margin:0}.cc-tool .cc-calculator-form{background:var(--cc-white);border-radius:var(--cc-radius);box-shadow:0 4px 28px rgba(255,107,53,.18);border-top:5px solid var(--cc-primary);padding:2rem;margin-bottom:2rem}.cc-tool .cc-calculator-form h2{color:var(--cc-primary);font-size:1.6rem;margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:2px solid rgba(255,107,53,.15)}.cc-tool .cc-calculator-form h3{color:var(--cc-secondary);font-size:1.1rem;margin:1.5rem 0 .75rem;padding:.5rem .75rem;background:rgba(255,107,53,.06);border-left:3px solid var(--cc-primary);border-radius:0 var(--cc-radius-sm) var(--cc-radius-sm) 0}.cc-tool .cc-shape-selector{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.75rem;margin-bottom:1.5rem}.cc-tool .cc-shape-btn{padding:1rem .75rem;border:2px solid var(--cc-border);border-radius:var(--cc-radius-sm);background:var(--cc-white);cursor:pointer;transition:var(--cc-transition);text-align:center;min-height:88px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.3rem;font-size:.9rem;font-weight:600;color:var(--cc-secondary);line-height:1.3}.cc-tool .cc-shape-btn small{font-size:.73rem;font-weight:400;color:var(--cc-text-light)}.cc-tool 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input[type="text"]:focus{border-color:var(--cc-primary);box-shadow:0 0 0 3px rgba(255,107,53,.12)}.cc-tool .cc-form-group input[type="number"]:hover,.cc-tool .cc-form-group input[type="text"]:hover{border-color:rgba(255,107,53,.5)}.cc-tool select{width:100%!important;min-height:50px!important;padding:.75rem 2.75rem .75rem 1rem!important;font-size:16px!important;border:2px solid var(--cc-border)!important;border-radius:var(--cc-radius-sm)!important;color:var(--cc-text)!important;background-color:var(--cc-white)!important;transition:var(--cc-transition)!important;outline:none!important;cursor:pointer!important;appearance:none!important;-webkit-appearance:none!important;-moz-appearance:none!important;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath fill='%232C3E50' d='M7 10L1 4h12z'/%3E%3C/svg%3E")!important;background-repeat:no-repeat!important;background-position:right 1rem center!important}.cc-tool select:focus{border-color:var(--cc-primary)!important;box-shadow:0 0 0 3px rgba(255,107,53,.12)!important}.cc-tool select:hover{border-color:rgba(255,107,53,.5)!important}.cc-tool .cc-input-wrapper{position:relative}.cc-tool .cc-input-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-weight:700;font-size:.85rem;color:var(--cc-secondary);pointer-events:none;z-index:2;min-width:24px;text-align:center}.cc-tool .cc-input-with-icon{padding-left:52px!important}.cc-tool .cc-help-text{display:block;font-size:.8rem;color:var(--cc-text-light);margin-top:.3rem;line-height:1.4}.cc-tool .cc-form-group.error input,.cc-tool .cc-form-group.error select{border-color:var(--cc-danger)!important;box-shadow:0 0 0 3px rgba(231,76,60,.1)!important}.cc-tool .cc-form-group.success input{border-color:var(--cc-success)!important;box-shadow:0 0 0 3px rgba(39,174,96,.1)!important}.cc-tool 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