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

body, html {
    height: 100%;
    font-family: 'Arial', sans-serif;
}

body {
    background: url('../images/background.png') no-repeat center center fixed;
    background-size: cover;
    position: relative;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.container {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
    padding: 20px;
}

.profile-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin-bottom: 15px;
    border: 3px solid #fff;
    transition: transform 0.3s;
}

.profile-img:hover {
    transform: scale(1.1);
}

.links {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

.links a {
    display: inline-block;
    text-decoration: none;
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    padding: 12px 25px;
    border-radius: 25px;
    transform: translateY(0) scale(1);
    box-shadow: 0 0 0 rgba(0,0,0,0);
    opacity: 0;
    transition: transform 0.3s ease, background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, opacity 0.6s ease;
    will-change: transform, background-color, color, box-shadow, opacity;
}

.links a:hover {
    background-color: #fff;
    color: #000;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 15px rgba(0,0,0,0.3);
}