:root{--primary-color:#4285f4;--secondary-color:#34a853;--accent-color:#ea4335;--light-color:#f8f9fa;--dark-color:#202124;--gray-color:#5f6368;--border-radius:var(--radius-lg);--box-shadow:0 2px 10px #0000001a}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--dark-color);background-color:#f5f5f5;line-height:1.6}.container{width:90%;max-width:1200px;margin:0 auto;padding:20px}header{box-shadow:var(--box-shadow);z-index:100;background-color:#fff;padding:15px 0;position:sticky;top:0}nav{justify-content:space-between;align-items:center;display:flex}.logo{color:var(--primary-color);font-size:24px;font-weight:700}.nav-links{gap:20px;display:flex}.nav-links a{color:var(--gray-color);font-weight:500;text-decoration:none;transition:color .3s}.nav-links a:hover{color:var(--primary-color)}.btn{border-radius:var(--border-radius);cursor:pointer;border:none;padding:10px 20px;font-weight:500;transition:all .3s}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:#3367d6}.btn-secondary{background-color:var(--secondary-color);color:#fff}.btn-secondary:hover{background-color:#2d9249}.card{border-radius:var(--border-radius);box-shadow:var(--box-shadow);background-color:#fff;margin-bottom:20px;padding:20px}.card-title{color:var(--dark-color);margin-bottom:15px;font-size:18px;font-weight:600}.form-group{margin-bottom:15px}.form-group label{margin-bottom:5px;font-weight:500;display:block}.form-group input,.form-group select,.form-group textarea{border-radius:var(--border-radius);border:1px solid #ddd;width:100%;padding:10px;font-size:16px}.form-group textarea{resize:vertical;min-height:80px}footer{text-align:center;color:var(--gray-color);padding:20px 0;font-size:14px}@media (width<=768px){.nav-links{display:none}.container{width:95%}}