/* ==========================================================================
   Meta Know Theme - Main Stylesheet
   ========================================================================== */

/* 기본 리셋 */
* {
    box-sizing: border-box;
}

html, body {
    width: 100%;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* 그리드 레이아웃 */
.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

/* 카드 스타일 */
.knowledge-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.knowledge-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.knowledge-card .card-thumbnail {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.knowledge-card .card-content {
    padding: 1.5rem;
}

.knowledge-card .card-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.knowledge-card .card-excerpt {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.knowledge-card .card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* 페이지네이션 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 2rem 0;
}

.pagination a,
.pagination span {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-decoration: none;
}

.pagination .current {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 헤더 스타일 */
.site-header {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.main-navigation ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.main-navigation a {
    text-decoration: none;
    font-weight: 500;
}

/* 검색 오버레이 */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-overlay-content {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    position: relative;
}

.search-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
}

/* 버튼 스타일 */
.button,
button[type="submit"] {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.button:hover,
button[type="submit"]:hover {
    background-color: var(--secondary-color);
    color: white;
}

/* 모바일 메뉴 */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

/* 히어로 섹션 */
.homepage .hero-section,
.hero-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 100%;
    box-sizing: border-box;
}

.homepage .hero-section .container,
.hero-section .container {
    max-width: 1200px;
    margin: 0 auto !important;
    padding: 0 2rem !important;
    width: 100%;
    box-sizing: border-box;
}

.homepage .hero-content,
.hero-content {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 3rem !important;
    width: 100%;
    box-sizing: border-box;
    margin-left: 0 !important;
    margin-right: 0 !important;
}

.hero-title {
    margin: 0 !important;
    flex: 0 0 auto !important;
    font-size: 2rem !important;
    white-space: nowrap !important;
    color: white !important;
}

.hero-search {
    flex: 1 1 auto !important;
    max-width: 600px !important;
    min-width: 300px !important;
}

.hero-search .search-form {
    display: flex !important;
    gap: 0.5rem !important;
    width: 100% !important;
}

.hero-search .search-field {
    flex: 1 !important;
    padding: 1rem 1.5rem !important;
    border: none !important;
    border-radius: 50px !important;
    font-size: 1rem !important;
}

.hero-search .search-submit {
    padding: 1rem 2rem !important;
    background-color: var(--secondary-color) !important;
    color: white !important;
    border: none !important;
    border-radius: 50px !important;
    cursor: pointer !important;
    transition: var(--transition) !important;
}

.hero-search .search-submit:hover {
    background-color: var(--accent-color) !important;
    transform: scale(1.05) !important;
}

/* 반응형 */
@media (max-width: 768px) {
    .knowledge-grid {
        grid-template-columns: 1fr;
    }
    
    .main-navigation {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .header-content {
        flex-wrap: wrap;
    }
    
    /* 히어로 섹션 반응형 */
    .hero-content {
        flex-direction: column !important;
        text-align: center !important;
    }
    
    .hero-title {
        white-space: normal !important;
        font-size: 1.5rem !important;
        text-align: center !important;
    }
    
    .hero-search {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 100% !important;
    }
}