* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
}

body { 
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
    line-height: 1.6; 
    color: #333; 
    background: #f8f9fa;
}

.header { 
    background: linear-gradient(135deg, #49628d 0%, #3a4f73 100%);
    color: white; 
    padding: 60px 0; 
    text-align: center;
}

.container { 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 20px; 
}

.header h1 { 
    font-size: 48px; 
    margin-bottom: 15px; 
    font-weight: 700; 
}

.header p { 
    font-size: 20px; 
    opacity: 0.9; 
    margin-bottom: 30px; 
}

.header .stats-row { 
    display: flex; 
    justify-content: center; 
    gap: 40px; 
    margin-top: 40px; 
    flex-wrap: wrap;
}

.header .stat-item { 
    text-align: center; 
}

.header .stat-number { 
    font-size: 28px; 
    font-weight: bold; 
    display: block; 
}

.header .stat-label { 
    font-size: 14px; 
    opacity: 0.8; 
}

.main-content { 
    padding: 60px 0; 
}

.section-title { 
    text-align: center; 
    font-size: 36px; 
    margin-bottom: 50px; 
    color: #333; 
    font-weight: 600;
}

.courses-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); 
    gap: 30px; 
    margin-bottom: 60px; 
}

.course-card { 
    background: white; 
    border-radius: 15px; 
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1); 
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.course-card:hover { 
    transform: translateY(-10px); 
    box-shadow: 0 20px 40px rgba(0,0,0,0.15); 
}

.course-image { 
    height: 200px !important; 
    background: linear-gradient(45deg, #9c27b0 0%, #6a1b9a 100%) !important;
    display: flex !important; 
    align-items: center !important; 
    justify-content: center !important; 
    color: white !important;
    position: relative !important;
}



.course-content { 
    padding: 25px; 
}

.course-title { 
    font-size: 22px; 
    font-weight: 600; 
    margin-bottom: 12px; 
    color: #333; 
    line-height: 1.3;
}

.course-description { 
    color: #666; 
    margin-bottom: 20px; 
    font-size: 15px; 
    line-height: 1.5; 
    height: 60px; 
    overflow: hidden;
}

.course-meta { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 20px; 
    font-size: 14px;
}

.video-count { 
    background: #e3f2fd; 
    color: #1976d2; 
    padding: 6px 12px; 
    border-radius: 20px; 
    font-weight: 500;
}

.course-rating { 
    color: #ff9800; 
    font-weight: 500; 
}

.start-btn { 
    width: 100%; 
    background: #28a745; 
    color: white; 
    border: none; 
    padding: 15px; 
    border-radius: 8px; 
    font-size: 16px; 
    font-weight: 600;
    cursor: pointer; 
    text-decoration: none; 
    display: block; 
    text-align: center;
    transition: background 0.3s ease;
}

.start-btn:hover { 
    background: #218838; 
    color: white; 
    text-decoration: none; 
}

.features-section { 
    background: white; 
    padding: 60px 0; 
    margin: 60px 0; 
    border-top: 1px solid #e9ecef; 
    border-bottom: 1px solid #e9ecef;
}

.features-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
    gap: 40px; 
}

.feature-item { 
    text-align: center; 
    padding: 20px; 
}

.feature-icon { 
    font-size: 48px; 
    margin-bottom: 20px; 
    display: block; 
    color: #49628d;
}

.feature-title { 
    font-size: 20px; 
    font-weight: 600; 
    margin-bottom: 10px; 
}

.feature-description { 
    color: #666; 
    font-size: 15px; 
    line-height: 1.5; 
}

.footer { 
    background: #343a40; 
    color: white; 
    padding: 40px 0; 
    text-align: center; 
    margin-top: 60px;
}

.footer-content { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    flex-wrap: wrap; 
    gap: 20px;
}

.footer-links { 
    display: flex; 
    gap: 30px; 
    flex-wrap: wrap; 
}

.footer-links a { 
    color: #adb5bd; 
    text-decoration: none; 
    font-size: 14px; 
    transition: color 0.3s;
}

.footer-links a:hover { 
    color: white; 
}

.empty-state { 
    text-align: center; 
    padding: 80px 20px; 
    background: white; 
    border-radius: 15px; 
    margin: 40px 0;
}

.empty-state h3 { 
    font-size: 24px; 
    margin-bottom: 15px; 
    color: #666; 
}

.empty-state p { 
    color: #999; 
    margin-bottom: 25px; 
}

.empty-state .admin-link { 
    color: #007bff; 
    text-decoration: none; 
    font-weight: 500;
    padding: 10px 20px; 
    border: 2px solid #007bff; 
    border-radius: 6px;
    transition: all 0.3s;
}

.empty-state .admin-link:hover { 
    background: #007bff; 
    color: white; 
    text-decoration: none; 
}

/* LOGO STİLLERİ */
.header-title-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 15px;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    padding: 0 20px;
}

.header-logo {
    height: 150px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
    flex-shrink: 0;
}

.header-logo:hover {
    transform: scale(1.05);
}

.header-center-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex: 1;
}

.header-logo.left-logo,
.header-logo.right-logo {
    transform: scale(0.75);
}

.header-title {
    text-align: center;
    margin: 0;
}

.course-icon {
    height: 40px !important;
    width: auto !important;
    z-index: 2;
    position: relative;
    filter: brightness(1.1);
}

@media (max-width: 768px) {
    .header h1 { 
        font-size: 36px; 
    }
    
    .header p { 
        font-size: 18px; 
    }
    
    .header .stats-row { 
        gap: 20px; 
    }
    
    .section-title { 
        font-size: 28px; 
        margin-bottom: 30px; 
    }
    
    .courses-grid { 
        grid-template-columns: 1fr; 
        gap: 20px; 
    }
    
    .features-grid { 
        grid-template-columns: 1fr; 
        gap: 30px; 
    }
    
    .footer-content { 
        flex-direction: column; 
        text-align: center; 
    }
    
    .footer-links { 
        justify-content: center; 
    }
    
    .header-title-container {
        flex-direction: column;
        gap: 1.5rem;
        padding: 0 1rem;
    }
    
    .header-logo {
        height: 110px;
    }
    
    .header-title {
        margin: 0;
    }
    
    .header h1 {
        font-size: 28px !important;
    }
	
	.course-image { 
    background: red !important; 
    height: 200px !important;
}
}