:root {
    /* 기본 색상 */
    --background-gradient: linear-gradient(135deg, #f6f9fc, #eef2f7);
    
    /* 재난별 그라데이션 */
    --earthquake-gradient: linear-gradient(135deg, #FF6B6B, #ee5253);
    --flood-gradient: linear-gradient(135deg, #4E9EFD, #0078FF);
    --fire-gradient: linear-gradient(135deg, #FF8C42, #FF5733);
    --typhoon-gradient: linear-gradient(135deg, #45B649, #38A03C);
    
    /* 텍스트 색상 */
    --text-primary: #2d3436;
    --text-secondary: #636e72;
    --text-light: #ffffff;
}

body {
    background: var(--background-gradient);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.disaster-section {
    color: var(--text-light);
    padding: 3rem 2rem;
    border-radius: 25px;
    margin: 2rem auto;
    max-width: 1000px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.disaster-section h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.info h3 {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.4rem;
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

.info > ul > li {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    margin-bottom: 1rem;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.info > ul > li:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.info li strong {
    color: rgba(255, 255, 255, 0.95);
    display: block;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.info li ul {
    margin-top: 0.8rem;
    padding-left: 1.2rem;
}

.info li ul li {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0.5rem;
    position: relative;
}

.info li ul li:before {
    content: "•";
    color: rgba(255, 255, 255, 0.9);
    position: absolute;
    left: -1rem;
}

.warning {
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-light);
    padding: 1.2rem 1.5rem;
    border-radius: 15px;
    margin: 1.5rem 0;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
}

/* 스크롤바 스타일링 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .disaster-section {
        margin: 1rem;
        padding: 2rem 1.5rem;
    }

    .disaster-section h2 {
        font-size: 2rem;
    }

    .info > ul > li {
        padding: 1.2rem;
    }

    .navbar-links {
        gap: 1rem;
    }
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 5%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease-in-out;
    z-index: 1000;
}

.navbar.scrolled {
    padding: 0.8rem 5%;
    background-color: rgba(255, 255, 255, 0.98);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.navbar-logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.navbar-logo:hover {
    color: #007bff;
}

.navbar-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.navbar-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    opacity: 0.8;
    transition: color 0.3s ease;
    position: relative;
}

.navbar-links a:hover,
.navbar-links a.active {
    opacity: 1;
    color: var(--text-primary);
}

.navbar-links a.active::after {
    width: 100%;
}

main {
    padding-top: 80px; /* navbar 높이보다 약간 더 크게 설정 */
}

/* 콘텐츠 레이아웃 개선 */
.content {
    display: flex;
    gap: 3rem;
    align-items: flex-start;
}

.info {
    flex: 1;
}

.tab-link.active {
    color: #007bff;
    border-bottom: none;
    padding-bottom: 0;
}

/* 이미지 크기 조정 */
.content img {
    width: 500px;
    height: 350px;
    object-fit: cover;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

/* 반응형 디자인 추가 */
@media (max-width: 768px) {
    .content {
        flex-direction: column;
    }

    .content img {
        width: 100%;
        height: 250px;
    }

    .nav-links li {
        margin-left: 1rem;
    }
}

/* 섹션별 스타일 */
#earthquake {
    background: var(--earthquake-gradient);
}

#flood {
    background: var(--flood-gradient);
}

#fire {
    background: var(--fire-gradient);
}

#typhoon {
    background: var(--typhoon-gradient);
}

/* 비상물품 섹션 스타일 */
#emergency-kit {
    background: linear-gradient(135deg, #20bf6b, #0b8a45);
}

#emergency-kit .info > ul > li {
    background: rgba(255, 255, 255, 0.15);
}

#emergency-kit .info > ul > li:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* 팁 스타일 */
.tip {
    background: rgba(255, 255, 255, 0.2);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin: 1rem 0;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.tip strong {
    color: #ffd700;
}