/* ===== Common Layout Styles ===== */
/* 모든 페이지에서 일관된 레이아웃을 위한 공통 스타일 */

/* 기본 컨테이너 설정 */
.main-container,
.search-main-container,
.content-container {
    padding: 0;
    background: white;
    margin: 0 200px;
}

/* 히어로 섹션 (페이지 상단 타이틀 영역) */
.hero-section {
    background: linear-gradient(135deg, #2c5aa0 0%, #1e3a8a 25%, #1e40af 50%, #3b82f6 75%, #60a5fa 100%);
    color: white;
    padding: 60px 0;
    margin: 0 200px 30px 200px;
    position: relative;
    overflow: hidden;
}

/* 히어로 섹션 배경 패턴 */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(255,255,255,0.05) 0%, transparent 50%);
    background-size: 300px 300px, 400px 400px, 200px 200px;
}

/* 히어로 콘텐츠 영역 */
.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0 30px; /* 더 넓은 여백으로 여유 공간 확보 */
}

.hero-content h1 {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.hero-content p {
    font-size: 18px;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

/* 대체 히어로 섹션 스타일 (다른 색상 테마) */
.hero-section.hero-alt {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero-section.hero-dark {
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
}

.hero-section.hero-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

/* 컴팩트 히어로 섹션 (작은 타이틀 영역) */
.hero-section.hero-compact {
    padding: 40px 0;
}

.hero-section.hero-compact h1 {
    font-size: 28px;
    margin-bottom: 12px;
}

.hero-section.hero-compact p {
    font-size: 16px;
}

/* 반응형 디자인 - 모든 컨테이너에 동일하게 적용 */
@media (max-width: 1500px) {
    .main-container,
    .search-main-container,
    .content-container {
        margin: 0 100px;
    }
    
    .hero-section {
        margin: 0 100px 30px 100px;
    }
    .search-filter-section {
        margin: 10px 100px;
    }
    .popular-tags-section {
        margin: 10px 100px;
    }
    .sessions-header {
        margin: 8px 80px;
    }
    }

@media (max-width: 1024px) {
    .main-container,
    .search-main-container,
    .content-container {
        margin: 0 80px;
    }
    
    .hero-section {
        margin: 0 80px 30px 80px;
    }
    
    .hero-content h1 {
        font-size: 32px;
    }

    .search-filter-section {
        margin: 8px 80px;
    }

    .popular-tags-section {
        margin: 8px 80px;
    }
    .sessions-header {
        margin: 8px 80px;
    }
}

@media (max-width: 768px) {
    .main-container,
    .search-main-container,
    .content-container {
        margin: 0 40px;
    }
    
    .hero-section {
        margin: 0 40px 30px 40px;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .hero-content p {
        font-size: 16px;
    }

    .search-filter-section {
        margin: 4px 40px;
    }

    .popular-tags-section {
        margin: 4px 40px;
    }
    .sessions-header {
        margin: 4px 40px;
       
    }
}

@media (max-width: 480px) {
    .main-container,
    .search-main-container,
    .content-container {
        margin: 0 20px;
    }
    
    .hero-section {
        margin: 0 0 30px 0; /* 모바일에서는 마진 제거 */
        padding: 40px 20px; /* 대신 패딩 추가 */
    }
    
    
    .hero-section.hero-compact {
        padding: 25px 20px;
    }
    
    .hero-content h1 {
        font-size: 24px;
    }
    
    .hero-content p {
        font-size: 14px;
    }
}

/* 추가 유틸리티 클래스 */

/* 전체 너비 섹션 (히어로 아래에서 전체 너비를 사용하는 경우) */
.full-width-section {
    margin-left: -200px;
    margin-right: -200px;
    padding-left: 200px;
    padding-right: 200px;
}

@media (max-width: 1500px) {
    .full-width-section {
        margin-left: -100px;
        margin-right: -100px;
        padding-left: 100px;
        padding-right: 100px;
    }
}

@media (max-width: 1024px) {
    .full-width-section {
        margin-left: -80px;
        margin-right: -80px;
        padding-left: 80px;
        padding-right: 80px;
    }
}

@media (max-width: 768px) {
    .full-width-section {
        margin-left: -40px;
        margin-right: -40px;
        padding-left: 40px;
        padding-right: 40px;
    }
}

@media (max-width: 480px) {
    .full-width-section {
        margin-left: -20px;
        margin-right: -20px;
        padding-left: 20px;
        padding-right: 20px;
    }
}

/* 내부 컨텐츠 최대 너비 제한 (필요한 경우) */
.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

/* 섹션 간격 */
.section-spacing {
    margin-bottom: 60px;
}

@media (max-width: 768px) {
    .section-spacing {
        margin-bottom: 40px;
    }
}

/* 애니메이션 효과 (선택적) */
.hero-section {
    animation: fadeInDown 0.6s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 그라데이션 오버레이 (선택적) */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 0;
}