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

/* BACKGROUND IMAGE */
body {
    background: url("FB_IMG_14881275479001427.jpg") no-repeat center center fixed;
    background-size: cover;   /* makes image fit all screens */
    padding-bottom: 40px;
}

/* NAVBAR */
.container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    background: rgba(0, 0, 0, 0.6); /* transparent black */
    padding: 1rem;
}

.container a {
    color: white;
    font-size: 1.2rem;
    text-decoration: none;
    font-weight: bold;
}

.container a:hover {
    color: #ffd700;
}

/* FORM BOX */
form {
    width: 380px;
    margin: 3rem auto;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 10px;
    backdrop-filter: blur(4px);
    box-shadow: 0 0 15px rgba(0,0,0,0.3);
}

form h1 {
    text-align: center;
    margin-bottom: 1.5rem;
}

form label {
    font-weight: bold;
}

form input {
    width: 100%;
    padding: 10px;
    margin: 0.5rem 0 1.2rem 0;
    border: 1px solid #777;
    border-radius: 5px;
}

form button {
    width: 100%;
    padding: 10px;
    background: #222;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.1rem;
}

form button:hover {
    background: #444;
}

/* -------------------------------------------------------- */
/* 📱 SCREEN REVOLUTION (RESPONSIVE DESIGN) */
/* -------------------------------------------------------- */

/* Phones */
@media (max-width: 480px) {

    body {
        background-attachment: scroll; /* smooth for small screens */
    }

    .container {
        flex-direction: column;
        padding: 1rem;
        text-align: center;
    }

    form {
        width: 90%;
        margin-top: 2rem;
    }

    form h1 {
        font-size: 1.4rem;
    }
}

/* Tablets */
@media (min-width: 481px) and (max-width: 768px) {
    form {
        width: 70%;
        margin-top: 4rem;
    }

    .container a {
        font-size: 1.4rem;
    }
}

/* Small Laptops */
@media (min-width: 769px) and (max-width: 1024px) {
    form {
        width: 420px;
    }
}

/* Large Screens */
@media (min-width: 1025px) {
    form {
        width: 400px;
    }
}