/* Temel Ayarlar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Verdana','sans-serif';
    scroll-behavior: smooth;
}

body {
    line-height: 1.5;
    color: black;
    background-color: #fafafa;
}

/* Navigasyon */
nav {
    align-items: center;
    display: flex;
    justify-content: space-between;
    padding: 20px 10%;
    background: #fff;
    top: 0;
    position: sticky;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    z-index: 1000;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    transition: 0.3s;
}

nav ul li a:hover {
    color: #007bff;
}

/* Hero Bölümü */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1497215728101-856f4ea42174?auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
}

.profile-img {
    width: 200px; 
    height: 200px; 
    border-radius: 50%; 
    object-fit: cover; 
    border: 5px solid #fff;
    margin-bottom: 20px; 
}

.hero h1 span {
    color: #007bff;
}

.btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 30px;
    background: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: 0.3s;
    text-align: center;
}

.btn:hover {
    background: #0056b3;
}

/* Bölüm Stilleri */
.container {
    padding: 60px 10%;
}

.bg-light {
    background: #f4f4f4;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.5rem;
}

/* Yetenekler */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.skill-card {
    background: white;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    font-weight: bold;
}

/* Footer */
footer {
    padding: 40px 10%;
    background: #222;
    color: white;
    text-align: center;
}

.social-links {
    margin: 20px 0;
}

.social-links a {
    color: white;
    font-size: 2.5rem;
    margin: 15px;
    transition: 0.3s;
}

.social-links a:hover {
    color: #007bff;
}

/* 4. MADDE: FRONT-END RESPONSIVE (Mobil Uyumluluk) */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        padding: 15px;
    }
    nav ul {
        margin-top: 10px;
        flex-wrap: wrap;
        justify-content: center;
    }
    nav ul li {
        margin: 5px 10px;
    }
    .container {
        padding: 40px 5%;
    }
    .section-title {
        font-size: 2rem;
    }
}