*{box-sizing:border-box;margin:0;padding:0}:root{--primary-color:#2c5f7c;--secondary-color:#4a9d8f;--text-color:#333;--text-light:#666;--bg-color:#fff;--bg-light:#f8f9fa;--border-color:#e0e0e0;--success-color:#4a9d8f}body{color:var(--text-color);background-color:var(--bg-color);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}.container{max-width:800px;margin:0 auto;padding:0 20px}header{background:linear-gradient(135deg,var(--primary-color)0%,var(--secondary-color)100%);color:#fff;text-align:center;margin-bottom:40px;padding:40px 20px 50px}h1{letter-spacing:-.5px;margin-bottom:20px;font-size:2.5rem;font-weight:700}.tagline{opacity:.95;max-width:600px;margin:0 auto;font-size:1.25rem;font-weight:300}main{padding:60px 20px}section{margin-bottom:60px}h2{color:var(--primary-color);text-align:center;margin-bottom:24px;font-size:2rem}.concept-text{color:var(--text-color);margin-bottom:20px;font-size:1.125rem;line-height:1.8}.concept-text strong{color:var(--primary-color)}.benefits{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;margin-top:40px;display:grid}.benefit-item{background:var(--bg-light);border-left:4px solid var(--secondary-color);border-radius:8px;padding:24px}.benefit-item h3{color:var(--primary-color);margin-bottom:12px;font-size:1.25rem}.benefit-item p{color:var(--text-light);font-size:1rem}.mailing-list{background:var(--bg-light);text-align:center;border-radius:12px;padding:50px 40px;box-shadow:0 2px 8px #0000000d}.mailing-list h2{margin-bottom:16px}.mailing-list-intro{color:var(--text-light);max-width:600px;margin-bottom:32px;margin-left:auto;margin-right:auto;font-size:1.125rem}.form-group{max-width:500px;margin:0 auto 20px}label{text-align:left;color:var(--text-color);margin-bottom:8px;font-weight:500;display:block}input[type=email]{border:2px solid var(--border-color);border-radius:6px;width:100%;padding:14px 16px;font-family:inherit;font-size:1rem;transition:border-color .3s}input[type=email]:focus{border-color:var(--secondary-color);outline:none}button[type=submit]{background:var(--secondary-color);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:14px 40px;font-family:inherit;font-size:1.125rem;font-weight:600;transition:background-color .3s,transform .1s}button[type=submit]:hover{background:var(--primary-color);transform:translateY(-1px)}button[type=submit]:active{transform:translateY(0)}.privacy-notice{color:var(--text-light);max-width:500px;margin-top:20px;margin-left:auto;margin-right:auto;font-size:.875rem}.privacy-notice a{color:var(--secondary-color);text-decoration:none}.privacy-notice a:hover{text-decoration:underline}footer{background:var(--primary-color);color:#fff;text-align:center;padding:40px 20px}footer p{opacity:.9;margin-bottom:10px}footer a{color:#fff;opacity:.9;text-decoration:none;transition:opacity .3s}footer a:hover{opacity:1;text-decoration:underline}@media (max-width:768px){h1{font-size:2rem}.tagline{font-size:1.125rem}h2{font-size:1.75rem}.concept-text{font-size:1rem}.mailing-list{padding:40px 24px}.benefits{grid-template-columns:1fr}}@media (max-width:480px){header{padding:60px 20px 40px}h1{font-size:1.75rem}main{padding:40px 20px}button[type=submit]{width:100%}}