/* Reset ve Temel Stiller */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #c0c0c0;
    background: #000000;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header Section */
.header {
    background: rgba(20, 20, 20, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 30px;
    padding: 3rem;
    margin-bottom: 2rem;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.6),
        0 10px 20px rgba(192, 192, 192, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    border: none;
}

.header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 30px;
    padding: 1px;
    background: linear-gradient(135deg, 
        rgba(192, 192, 192, 0.3) 0%, 
        rgba(192, 192, 192, 0.1) 25%, 
        rgba(192, 192, 192, 0.05) 50%, 
        rgba(192, 192, 192, 0.1) 75%, 
        rgba(192, 192, 192, 0.3) 100%);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    pointer-events: none;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.05) 0%, transparent 50%, rgba(192, 192, 192, 0.05) 100%);
    pointer-events: none;
}

.profile-section {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.profile-image {
    flex-shrink: 0;
}

.profile-image img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 6px solid #c0c0c0;
    box-shadow: 
        0 15px 35px rgba(192, 192, 192, 0.4),
        0 5px 15px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
}

.profile-image img:hover {
    transform: scale(1.05);
    box-shadow: 
        0 20px 40px rgba(192, 192, 192, 0.5),
        0 8px 20px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.profile-info {
    flex: 1;
}

.name {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.5rem;
    text-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.8),
        0 4px 8px rgba(0, 0, 0, 0.6),
        0 1px 2px rgba(192, 192, 192, 0.3);
    letter-spacing: -0.5px;
}

.title {
    font-size: 1.25rem;
    color: #c0c0c0;
    font-weight: 500;
    margin-bottom: 1rem;
    text-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.7),
        0 2px 6px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.2px;
}

.description {
    font-size: 1.1rem;
    color: #a0a0a0;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    text-shadow: 
        0 1px 2px rgba(0, 0, 0, 0.6),
        0 2px 4px rgba(0, 0, 0, 0.4);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: #1a1a1a;
    border-radius: 12px;
    color: #c0c0c0;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.2rem;
    border: 1px solid #333333;
}

.social-link:hover {
    background: #c0c0c0;
    color: #000000;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(192, 192, 192, 0.4);
}

/* Tabs Section */
.tabs-section {
    background: rgba(20, 20, 20, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.6),
        0 10px 20px rgba(192, 192, 192, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    border: none;
}

.tabs-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 30px;
    padding: 1px;
    background: linear-gradient(135deg, 
        rgba(192, 192, 192, 0.25) 0%, 
        rgba(192, 192, 192, 0.08) 25%, 
        rgba(192, 192, 192, 0.03) 50%, 
        rgba(192, 192, 192, 0.08) 75%, 
        rgba(192, 192, 192, 0.25) 100%);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    pointer-events: none;
    z-index: 1;
}

.tabs-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.03) 0%, transparent 50%, rgba(192, 192, 192, 0.03) 100%);
    pointer-events: none;
    z-index: 1;
}

.tabs {
    display: flex;
    background: rgba(10, 10, 10, 0.8);
    overflow-x: auto;
    position: relative;
    z-index: 2;
}

.tabs::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(192, 192, 192, 0.2) 25%, 
        rgba(192, 192, 192, 0.4) 50%, 
        rgba(192, 192, 192, 0.2) 75%, 
        transparent 100%);
}

.tab-btn {
    flex: 1;
    min-width: 200px;
    padding: 1.5rem 2rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: #808080;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    position: relative;
}

.tab-btn:hover {
    background: #1a1a1a;
    color: #c0c0c0;
}

.tab-btn.active {
    background: #000000;
    color: #ffffff;
    border-bottom: 3px solid #c0c0c0;
}

.tab-btn i {
    font-size: 1.2rem;
}

/* Tab Content */
.tab-content {
    padding: 3rem;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-pane h2 {
    font-size: 2rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 2rem;
    text-align: center;
    text-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.8),
        0 4px 8px rgba(0, 0, 0, 0.6),
        0 1px 2px rgba(192, 192, 192, 0.2);
    letter-spacing: -0.5px;
}

/* Apps Grid */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.app-card {
    background: rgba(10, 10, 10, 0.8);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    backdrop-filter: blur(10px);
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.4),
        0 5px 15px rgba(192, 192, 192, 0.1);
    position: relative;
    overflow: hidden;
}

.app-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(135deg, 
        rgba(192, 192, 192, 0.2) 0%, 
        rgba(192, 192, 192, 0.05) 50%, 
        rgba(192, 192, 192, 0.2) 100%);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    pointer-events: none;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
    border-color: #c0c0c0;
}

.app-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #333333, #666666);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: #c0c0c0;
}

.app-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1rem;
    text-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.7),
        0 2px 6px rgba(0, 0, 0, 0.5);
}

.app-card p {
    color: #a0a0a0;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.app-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.app-link {
    padding: 0.75rem 1.5rem;
    background: #333333;
    color: #c0c0c0;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid #666666;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.app-link i {
    color: #c0c0c0;
    font-size: 1.1rem;
}

.app-link:hover {
    background: #c0c0c0;
    color: #000000;
    transform: translateY(-2px);
}

/* YouTube Grid */
.youtube-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.video-card {
    background: rgba(10, 10, 10, 0.8);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: none;
    backdrop-filter: blur(10px);
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.4),
        0 5px 15px rgba(192, 192, 192, 0.1);
    position: relative;
}

.video-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(135deg, 
        rgba(192, 192, 192, 0.2) 0%, 
        rgba(192, 192, 192, 0.05) 50%, 
        rgba(192, 192, 192, 0.2) 100%);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    pointer-events: none;
    z-index: 1;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

.video-thumbnail {
    position: relative;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(192, 192, 192, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
    font-size: 1.5rem;
    opacity: 0;
    transition: all 0.3s ease;
}

.video-card:hover .play-button {
    opacity: 1;
}

.video-info {
    padding: 1.5rem;
}

.video-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.video-info p {
    color: #a0a0a0;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.video-date {
    color: #666666;
    font-size: 0.9rem;
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: rgba(10, 10, 10, 0.8);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: none;
    backdrop-filter: blur(10px);
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.4),
        0 5px 15px rgba(192, 192, 192, 0.1);
    position: relative;
}

.blog-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(135deg, 
        rgba(192, 192, 192, 0.2) 0%, 
        rgba(192, 192, 192, 0.05) 50%, 
        rgba(192, 192, 192, 0.2) 100%);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    pointer-events: none;
    z-index: 1;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

.blog-image {
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-image img {
    transform: scale(1.05);
}

.blog-content {
    padding: 1.5rem;
}

.blog-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.blog-content p {
    color: #a0a0a0;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.blog-date {
    color: #666666;
}

.blog-category {
    color: #c0c0c0;
    font-weight: 500;
}

.read-more {
    color: #c0c0c0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #ffffff;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: rgba(10, 10, 10, 0.8);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    backdrop-filter: blur(10px);
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.4),
        0 5px 15px rgba(192, 192, 192, 0.1);
    position: relative;
    overflow: hidden;
}

.project-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(135deg, 
        rgba(192, 192, 192, 0.2) 0%, 
        rgba(192, 192, 192, 0.05) 50%, 
        rgba(192, 192, 192, 0.2) 100%);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    pointer-events: none;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
    border-color: #c0c0c0;
}

.project-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #333333, #666666);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: #c0c0c0;
}

.project-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1rem;
}

.project-card p {
    color: #a0a0a0;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.tech-tag {
    padding: 0.25rem 0.75rem;
    background: #1a1a1a;
    color: #c0c0c0;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid #333333;
}

.project-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.project-link {
    padding: 0.75rem 1.5rem;
    background: #333333;
    color: #c0c0c0;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid #666666;
}

.project-link:hover {
    background: #c0c0c0;
    color: #000000;
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .header {
        padding: 2rem;
    }
    
    .profile-section {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .profile-image img {
        width: 150px;
        height: 150px;
    }
    
    .name {
        font-size: 2rem;
    }
    
    .tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        min-width: auto;
        padding: 1rem;
    }
    
    .tab-content {
        padding: 2rem;
    }
    
    .apps-grid,
    .youtube-grid,
    .blog-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 1.5rem;
    }
    
    .tab-content {
        padding: 1.5rem;
    }
    
    .name {
        font-size: 1.75rem;
    }
    
    .title {
        font-size: 1.1rem;
    }
}