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

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #0f172a, #1e1b4b, #312e81);
    color: white;
    min-height: 100vh;
    padding: 40px 20px;
}

header {
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px 30px;
    text-align: center;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border-radius: 20px;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.3);
}

h1 {
    font-size: 36px;
    letter-spacing: 1px;
}

nav {
    max-width: 1000px;
    margin: 30px auto;
    padding: 25px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

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

nav a {
    display: inline-block;
    color: white;
    text-decoration: none;
    padding: 15px 25px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 10px;
    font-size: 17px;
    transition: 0.3s;
}

nav a:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
    background: linear-gradient(135deg, #8b5cf6, #ec4899);
}

@media (max-width: 600px) {
    body {
        padding: 20px 12px;
    }

    header {
        padding: 40px 15px;
    }

    h1 {
        font-size: 25px;
    }

    nav a {
        font-size: 14px;
        padding: 12px 16px;
    }
}

.pilt-image {
    max-width: 1000px;
    margin: 30px auto;
    padding: 25px;
    text-align: center;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 20px;
}

.pilt-image img {
    max-width: 100%;
    width: 600px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}