.footer{background:var(--surface-color);border-top:1px solid var(--border-color);padding:60px 0 30px;margin-top:var(--section-padding)}.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}.footer-column h3{font-size:1.2rem;margin-bottom:20px;color:var(--text-color);font-weight:700}.footer-column p{color:var(--text-secondary);line-height:1.6;margin-bottom:15px}.footer-links{list-style:none}.footer-links li{margin-bottom:12px}.footer-links a{color:var(--text-secondary);text-decoration:none;transition:color var(--transition-fast);display:flex;align-items:center;gap:8px}.footer-links a:hover{color:var(--primary-color)}.footer-social{display:flex;gap:12px;margin-top:20px}.social-link{width:40px;height:40px;border-radius:50%;background:var(--surface-hover);border:1px solid var(--border-color);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:1.2rem;transition:all var(--transition-fast);text-decoration:none}.social-link:hover{background:var(--primary-color);color:#ffffff;border-color:var(--primary-color);transform:translateY(-3px)}.newsletter-form{display:flex;gap:10px;margin-top:15px}.newsletter-form input{flex:1;padding:12px 16px;border:1px solid var(--border-color);border-radius:8px;background:var(--bg-color);color:var(--text-color);font-family:inherit}.newsletter-form input:focus{outline:none;border-color:var(--primary-color)}.newsletter-form button{padding:12px 24px;background:var(--primary-color);color:#ffffff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.newsletter-form button:hover{background:var(--primary-hover)}.footer-bottom{padding-top:30px;border-top:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;color:var(--text-secondary);font-size:0.9rem}.footer-bottom-links{display:flex;gap:20px}.footer-bottom-links a{color:var(--text-secondary);text-decoration:none;transition:color var(--transition-fast)}.footer-bottom-links a:hover{color:var(--primary-color)}#back-to-top{position:fixed;bottom:100px;right:20px;width:45px;height:45px;background:var(--primary-color);color:#fff;border:none;border-radius:12px;display:none;align-items:center;justify-content:center;font-size:1.5rem;cursor:pointer;box-shadow:var(--shadow-md);z-index:999;transition:all var(--transition-base)}#back-to-top:hover{transform:translateY(-5px);background:var(--primary-hover);box-shadow:var(--shadow-lg)}@media (max-width:992px){.footer-content{grid-template-columns:1fr;gap:30px}}@media (max-width:768px){.footer-content{grid-template-columns:1fr;text-align:center}.footer-social{justify-content:center}.footer-column h3{margin-bottom:15px}.footer-bottom{flex-direction:column;gap:15px;text-align:center}.footer-bottom-links{flex-direction:column;gap:10px}#back-to-top{bottom:110px}}.footer-container{max-width:1150px;margin:0 auto;padding:0 15px;width:100%;box-sizing:border-box}