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

body {
    min-height: 100vh;
    background: url('capela-sistina.jpg') no-repeat center center fixed;
    background-size: cover;
}

.login-container {
    min-height: 100vh;
    background: rgba(0,0,0,0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-box {
    width: min(100%, 420px);
    padding: 36px;
    background: rgba(255,255,255,0.7);
    border-radius: 18px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
}

.login-box img {
    display: block;
    width: 190px;
    max-width: 100%;
    margin: 0 auto 10px;
}

.login-contact {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    margin-bottom: 18px;
    color: #0b3c5d;
    font-size: 15px;
    font-weight: 700;
    text-align: center;
}

.login-box h2 {
    margin-bottom: 22px;
    color: #0b3c5d;
    font-size: 22px;
}

.login-box input {
    width: 100%;
    height: 52px;
    padding: 0 14px;
    margin-bottom: 14px;
    border-radius: 10px;
    border: 1px solid #ccc;
    font-size: 17px;
}

.login-box button {
    width: 100%;
    height: 52px;
    background: #0b3c5d;
    color: #fff;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 18px;
}

.login-footer {
    margin-top: 18px;
    font-size: 14px;
    color: #555;
}

@media (max-width: 900px) {
    body {
        background-attachment: scroll;
    }

    .login-container {
        align-items: stretch;
        padding: 18px;
    }

    .login-box {
        width: 100%;
        min-height: calc(100dvh - 36px);
        padding: 28px 22px;
        border-radius: 20px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .login-box img {
        width: min(220px, 62vw);
        margin: 0 auto 10px;
    }

    .login-contact {
        margin-bottom: 18px;
        font-size: 17px;
    }

    .login-box h2 {
        font-size: clamp(24px, 7vw, 34px);
        margin-bottom: 28px;
    }

    .login-box form {
        width: 100%;
    }

    .login-box input {
        height: 58px;
        margin-bottom: 16px;
        padding: 0 16px;
        border-radius: 12px;
        font-size: 18px;
    }

    .login-box button {
        height: 58px;
        border-radius: 12px;
        font-size: 20px;
    }

    .login-footer {
        margin-top: 24px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .login-container {
        padding: 14px;
    }

    .login-box {
        min-height: calc(100dvh - 28px);
        padding: 24px 18px;
        border-radius: 18px;
    }

    .login-box img {
        width: min(200px, 60vw);
        margin-bottom: 10px;
    }

    .login-contact {
        margin-bottom: 16px;
        font-size: 16px;
    }

    .login-box h2 {
        font-size: clamp(22px, 8vw, 30px);
        margin-bottom: 24px;
    }

    .login-box input,
    .login-box button {
        height: 54px;
        font-size: 17px;
    }

    .login-footer {
        font-size: 15px;
    }
}