/* ===========================
   푸터 스타일 (HotelHub)
   =========================== */

footer.footer {
    background: #1a1a1a;
    color: #e0e0e0;
    padding: 60px 20px 20px 20px;
    margin-top: 80px;
    border-top: 3px solid #667eea;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

/* 로고 + 설명 섹션 */
.footer-section.footer-brand {
    grid-column: 1 / 2;
}

.footer-logo h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: white;
}

.footer-description {
    font-size: 13px;
    line-height: 1.6;
    color: #999;
}

/* 섹션 공통 스타일 */
.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-section h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a {
    color: #999;
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #667eea;
}

/* 소셜 링크 */
.footer-social {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid #333;
}

.social-link span {
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-link.facebook {
    background: #1877f2;
    border-color: #1877f2;
    color: white;
}

.social-link.facebook:hover {
    background: #165ec4;
    transform: translateY(-3px);
}

.social-link.twitter {
    background: #000000;
    border-color: #333;
    color: white;
}

.social-link.twitter:hover {
    background: #1a1a1a;
    border-color: #667eea;
    transform: translateY(-3px);
}

.social-link.instagram {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    border: none;
    color: white;
}

.social-link.instagram:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(242, 148, 51, 0.4);
}

.social-link.youtube {
    background: #ff0000;
    border-color: #ff0000;
    color: white;
}

.social-link.youtube:hover {
    background: #cc0000;
    transform: translateY(-3px);
}

/* 하단 정보 */
.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 40px;
    margin-top: 40px;
    text-align: center;
}

.footer-info {
    margin-bottom: 20px;
}

.footer-info p {
    font-size: 12px;
    color: #999;
    margin: 5px 0;
}

.footer-copyright p {
    font-size: 12px;
    color: #666;
}

/* ===========================
   모바일 반응형 스타일
   =========================== */

@media (max-width: 1024px) {
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        margin-bottom: 50px;
    }
    
    .footer-section.footer-brand {
        grid-column: 1 / 3;
    }
}

@media (max-width: 768px) {
    footer.footer {
        padding: 40px 20px 20px 20px;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 50px;
    }
    
    .footer-section.footer-brand {
        grid-column: 1;
        margin-bottom: 20px;
    }
    
    .footer-section h4 {
        font-size: 13px;
    }
    
    .footer-section a {
        font-size: 12px;
    }
    
    .footer-bottom {
        margin-top: 30px;
        padding-top: 30px;
    }
}

@media (max-width: 480px) {
    footer.footer {
        padding: 30px 15px 15px 15px;
        margin-top: 50px;
    }
    
    .footer-container {
        gap: 20px;
        margin-bottom: 40px;
    }
    
    .footer-logo h2 {
        font-size: 20px;
    }
    
    .footer-description {
        font-size: 12px;
        line-height: 1.5;
    }
    
    .footer-section h4 {
        font-size: 12px;
        margin-bottom: 15px;
    }
    
    .footer-section ul li {
        margin-bottom: 10px;
    }
    
    .social-link {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
    
    .footer-bottom {
        margin-top: 30px;
        padding-top: 30px;
    }
    
    .footer-info p {
        font-size: 11px;
    }
}