/* Genel Sıfırlama */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* 5. Madde: Arka Plan Linear Gradient */
body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #141e30, #243b55); /* Koyu gece temalı geçiş */
}

/* 1. Madde: .profile-card div'i */
.profile-card {
    background-color: #ffffff;
    width: 320px;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0,0,0,0.4);
}

/* 2. Madde: Tam yuvarlak resim ve renkli kalın border */
.profile-img {
    width: 130px;
    height: 130px;
    border-radius: 50%; /* Tam yuvarlak */
    border: 5px solid #3498db; /* Renkli border */
    object-fit: cover;
    margin-bottom: 15px;
}

/* 3. Madde: Tipografi */
h2 {
    color: #2c3e50;
    font-weight: bold;
    margin-bottom: 5px;
}

.subtitle {
    color: #95a5a6; /* Gri tonlarda unvan */
    font-size: 0.95rem;
    font-weight: 400;
    margin-bottom: 15px;
}

.bio {
    color: #555;
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 25px;
}

/* 4. Madde: Butonlar ve Etkileşim */
.social-container {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.social-btn {
    text-decoration: none;
    color: white;
    background-color: #3498db;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

/* Fare üzerine gelince (:hover) */
.social-btn:hover {
    background-color: #2980b9; /* Renk değişimi */
    transform: translateY(-3px); /* 3px yukarı kalkma */
}