:root{--primary-color:#3498db;--secondary-color:#2c3e50;--text-color:#333;--light-color:#f5f5f5;--accent-color:#e74c3c;--border-radius:10px;--box-shadow:0 4px 8px rgba(0,0,0,.1)}*{margin:0;padding:0;box-sizing:border-box;font-family:'Arial',sans-serif}body{background-color:#f0f2f5;display:flex;justify-content:center;align-items:center;min-height:100vh;padding:20px;position:relative;overflow-y:auto}.container{width:100%;max-width:500px;margin:auto}.business-card{background-color:#fff;border-radius:var(--border-radius);box-shadow:var(--box-shadow);overflow:hidden;padding:30px}.profile-section{display:flex;align-items:center;margin-bottom:25px}.profile-image{margin-right:20px}.profile-image img{width:100px;height:100px;border-radius:50%;object-fit:cover;border:3px solid var(--primary-color)}.profile-info h1{color:var(--secondary-color);font-size:24px;margin-bottom:5px}.profile-info h2{color:var(--primary-color);font-size:18px;font-weight:500;margin-bottom:5px}.profile-info p{color:var(--text-color);font-size:16px}.contact-section{margin-bottom:25px}.contact-link{display:flex;align-items:center;color:var(--text-color);text-decoration:none;width:100%}.contact-link:hover{color:var(--primary-color)}.contact-item{display:flex;align-items:center;margin-bottom:12px;width:100%}.contact-item i{color:var(--primary-color);font-size:18px;width:25px;margin-right:15px}.contact-item a,.contact-item p{color:var(--text-color);text-decoration:none;font-size:16px}.contact-item a:hover{color:var(--primary-color);text-decoration:underline}.social-section{display:flex;justify-content:center;margin-bottom:25px}.social-icon{display:flex;justify-content:center;align-items:center;width:40px;height:40px;border-radius:50%;background-color:var(--primary-color);color:#fff;margin:0 10px;text-decoration:none;transition:transform .3s,background-color .3s}.social-icon:hover{transform:translateY(-3px);background-color:var(--secondary-color)}.action-section{display:flex;justify-content:space-between}.action-button{flex:1;padding:12px 0;border:none;border-radius:var(--border-radius);background-color:var(--primary-color);color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:background-color .3s;margin:0 5px}.action-button:hover{background-color:var(--secondary-color)}@media (max-width:600px){body{padding:10px}.profile-section{flex-direction:column;text-align:center}.profile-image{margin-right:0;margin-bottom:15px}.action-section{flex-direction:column}.action-button{margin:5px 0}}@media (max-width:400px){.business-card{padding:20px}.profile-image img{width:80px;height:80px}.profile-info h1{font-size:20px}.profile-info h2{font-size:16px}}.card-footer{margin-top:20px;text-align:center;color:var(--text-color);font-size:14px;padding:10px 0;width:100%}.card-footer a{color:var(--primary-color);text-decoration:none}.card-footer a:hover{text-decoration:underline}.site-header{background-color:var(--secondary-color);color:#fff;padding:1rem;position:sticky;top:0;z-index:100;width:100%}.header-container{display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto}.logo{color:#fff;text-decoration:none;font-weight:bold;font-size:1.2rem}.main-nav a{color:#fff;text-decoration:none;margin-left:1rem}@media (max-width:768px){body{display:block;padding-top:0}.site-header{position:relative}}