:root {
        --primary-color: #333333;
        --secondary-color: #555555;
        --text-color: #444444;
        --light-bg: #f8f8f8;
        --white: #ffffff;
        --shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        --timeline-color: #e5e5e5;
        --base-font: 'Poppins', sans-serif;
        --heading-font: 'Playfair Display', serif;
    }
    
    /* TEMEL TİPOGRAFİ AYARLARI (TÜM SAYFALAR İÇİN GEÇERLİ) */
    body {
        font-family: var(--base-font);
        background-color: var(--light-bg);
        color: var(--text-color);
        line-height: 1.6;
        margin: 0;
        padding: 0;
        font-size: 16px;
        font-weight: 400;
        text-transform: none;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    
    h1, h2, h3, h4, h5, h6 {
        font-family: var(--heading-font);
        color: var(--primary-color);
        margin-top: 0;
        line-height: 1.3;
        font-weight: 700;
        text-transform: none;
    }
    
    p, a, span, li, td, th, input, textarea, select, button {
        font-family: var(--base-font);
        text-transform: none;
        letter-spacing: 0.02em;
    }
    
    .container {
        max-width: 1140px;
        margin: 0 auto;
        padding: 20px;
    }
    
    /* BAŞLIK BÖLÜMÜ */
    .bio-header {
        position: relative;
        margin-bottom: 50px;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: var(--shadow);
        height: 400px;
    }
    
    .header-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }
    
    .header-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.6) 100%);
    }
    
    .bio-title {
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        padding: 30px;
        text-align: left;
        color: var(--white);
    }
    
    .bio-title h1 {
        font-size: 3rem;
        margin: 0 0 10px 0;
        font-weight: 700;
        color: #ffffff;
        text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    }
    
    .bio-title p {
        font-size: 1.3rem;
        margin: 0;
        opacity: 0.9;
        font-weight: 300;
        color: #f0f0f0;
        text-shadow: 0 1px 2px rgba(0,0,0,0.2);
    }
    
    /* İÇERİK BÖLÜMÜ */
    .bio-content {
        background-color: var(--white);
        padding: 40px;
        border-radius: 8px;
        box-shadow: var(--shadow);
        margin-bottom: 50px;
    }
    
    .bio-row {
        display: flex;
        flex-wrap: wrap;
        margin-bottom: 40px;
        align-items: flex-start;
    }
    
    .bio-image-container {
        width: 35%;
        padding-right: 40px;
    }
    
    .bio-image {
        width: 100%;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: var(--shadow);
        object-fit: cover;
    }
    
    .bio-image img {
        width: 100%;
        height: auto;
        display: block;
        transition: transform 0.3s ease;
        height: 450px;
        object-fit: cover;
        object-position: right;
    }
    
    .bio-image:hover img {
        transform: scale(1.02);
    }
    
    .bio-text {
        width: 65%;
    }
    
    .bio-section {
        margin-bottom: 40px;
    }
    
    .bio-section h2 {
        font-size: 1.8rem;
        margin-bottom: 20px;
        padding-bottom: 10px;
        border-bottom: 2px solid var(--secondary-color);
    }
    
    .bio-section p {
        margin-bottom: 20px;
        font-size: 1.1rem;
        color: var(--text-color);
        line-height: 1.7;
    }
    
    .highlight {
        background-color: rgba(0, 0, 0, 0.03);
        padding: 20px;
        border-left: 4px solid var(--secondary-color);
        margin: 20px 0;
        font-style: normal;
        font-size: 1.1rem;
        line-height: 1.7;
    }
    
    /* VİDEO BÖLÜMÜ */
    .video-section {
        background-color: var(--white);
        padding: 40px;
        border-radius: 8px;
        box-shadow: var(--shadow);
        margin-bottom: 50px;
        text-align: center;
    }
    
    .video-container {
        position: relative;
        padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
        height: 0;
        overflow: hidden;
        margin-top: 30px;
    }
    
    .video-container iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border: none;
        border-radius: 4px;
    }
    
    /* İLETİŞİM FORMU */
    .contact-form {
        background-color: var(--white);
        padding: 40px;
        border-radius: 8px;
        box-shadow: var(--shadow);
    }
    
    .form-group {
        margin-bottom: 25px;
    }
    
    .form-group label {
        display: block;
        margin-bottom: 8px;
        font-weight: 500;
        color: var(--primary-color);
        font-size: 1rem;
    }
    
    .form-control {
        width: 100%;
        padding: 12px 15px;
        border: 1px solid #e0e0e0;
        border-radius: 4px;
        font-size: 1rem;
        transition: all 0.3s;
        font-family: var(--base-font);
    }
    
    .form-control:focus {
        border-color: var(--secondary-color);
        box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
        outline: none;
    }
    
    textarea.form-control {
        min-height: 150px;
        resize: vertical;
    }
    
    .submit-btn {
        background-color: var(--primary-color);
        color: white;
        border: none;
        padding: 12px 30px;
        font-size: 1rem;
        border-radius: 4px;
        cursor: pointer;
        transition: all 0.3s;
        font-family: var(--base-font);
        font-weight: 500;
    }
    
    .submit-btn:hover {
        background-color: #222222;
        transform: translateY(-2px);
    }
    
    /* ÖDÜLLER VE SERGİLER */
    .timeline {
        position: relative;
        padding-left: 50px;
        margin: 40px 0;
    }
    
    .timeline:before {
        content: '';
        position: absolute;
        top: 0;
        left: 20px;
        height: 100%;
        width: 2px;
        background: var(--timeline-color);
    }
    
    .timeline-item {
        position: relative;
        margin-bottom: 30px;
        padding-bottom: 20px;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .timeline-item:last-child {
        margin-bottom: 0;
        border-bottom: none;
    }
    
    .timeline-icon {
        position: absolute;
        left: -50px;
        top: 0;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--secondary-color);
        color: white;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 0 0 5px var(--light-bg);
    }
    
    .timeline-content {
        padding-left: 20px;
    }
    
    .timeline-year {
        font-weight: 700;
        color: var(--primary-color);
        margin-bottom: 5px;
        font-size: 1.1rem;
    }
    
    .timeline-title {
        font-weight: 500;
        margin-bottom: 10px;
        font-size: 1.2rem;
        color: var(--primary-color);
    }
    
    .timeline-desc {
        color: var(--text-color);
        line-height: 1.6;
    }
    
    .awards-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 30px;
        margin-top: 30px;
    }
    
    .award-card {
        background: var(--white);
        border-radius: 8px;
        padding: 25px;
        box-shadow: var(--shadow);
        transition: transform 0.3s ease;
        border-left: 4px solid var(--secondary-color);
    }
    
    .award-card:hover {
        transform: translateY(-5px);
    }
    
    .award-year {
        font-size: 0.9rem;
        color: var(--secondary-color);
        margin-bottom: 10px;
        font-weight: 600;
    }
    
    .award-title {
        font-size: 1.2rem;
        margin-bottom: 10px;
        color: var(--primary-color);
    }
    
    .award-desc {
        color: var(--text-color);
        line-height: 1.6;
    }
    
    .exhibitions-section {
        background-color: rgba(0, 0, 0, 0.02);
        padding: 40px;
        border-radius: 8px;
        margin: 40px 0;
        border: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    /* RESPONSIVE TASARIM (TÜM SAYFALAR İÇİN GEÇERLİ) */
    @media (max-width: 1200px) {
        .container {
            padding: 20px 30px;
        }
    }
    
    @media (max-width: 992px) {
        .bio-title h1 {
            font-size: 2.5rem;
        }
        
        .bio-title p {
            font-size: 1.1rem;
        }
        
        .bio-section h2 {
            font-size: 1.6rem;
        }
        
        .bio-section p, .highlight {
            font-size: 1rem;
        }
    }
    
    @media (max-width: 768px) {
        body {
            font-size: 15px;
            line-height: 1.6;
        }
        
        .bio-header {
            height: 350px;
        }
        
        .bio-row {
            flex-direction: column;
        }
        
        .bio-image-container, .bio-text {
            width: 100%;
            padding-right: 0;
        }
        
        .bio-image {
            max-width: 100%;
            margin: 0 auto 30px;
        }
        
        .bio-image img {
            height: 350px;
        }
        
        .bio-title {
            padding: 20px;
        }
        
        .bio-title h1 {
            font-size: 2rem;
        }
        
        .bio-content, .video-section, .contact-form {
            padding: 30px;
        }
        
        .awards-grid {
            grid-template-columns: 1fr;
        }
        
        .exhibitions-section {
            padding: 25px;
        }
        
        .timeline {
            padding-left: 40px;
        }
        
        .timeline-icon {
            left: -40px;
            width: 30px;
            height: 30px;
            font-size: 0.8rem;
        }
        
        .bio-section h2 {
            font-size: 1.4rem;
        }
        
        .highlight {
            font-size: 1rem;
            padding: 15px;
        }
    }
    
    @media (max-width: 576px) {
        body {
            font-size: 14px;
        }
        
        .container {
            padding: 15px;
        }
        
        .bio-header {
            height: 250px;
        }
        
        .bio-title h1 {
            font-size: 1.8rem;
        }
        
        .bio-title p {
            font-size: 1rem;
        }
        
        .bio-content, .video-section, .contact-form {
            padding: 20px;
        }
        
        .bio-section h2 {
            font-size: 1.3rem;
            margin-bottom: 15px;
        }
        
        .bio-image img {
            height: 280px;
        }
        
        .form-control {
            font-size: 14px;
            padding: 10px 12px;
        }
        
        .submit-btn {
            font-size: 14px;
            padding: 10px 25px;
        }
        
        .timeline {
            padding-left: 30px;
        }
        
        .timeline-icon {
            left: -30px;
            width: 25px;
            height: 25px;
        }
        
        .timeline-title {
            font-size: 1.1rem;
        }
        
        .timeline-desc {
            font-size: 0.95rem;
        }
    }