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

body {
    min-height: 100vh;

    display: flex;
    align-items: center;
    justify-content: center;

    font-family: Arial, Helvetica, sans-serif;
    color: #ffffff;

    background:
        radial-gradient(
            circle at top left,
            rgba(255, 255, 255, 0.15),
            transparent 35%
        ),
        linear-gradient(
            135deg,
            #667eea 0%,
            #764ba2 50%,
            #2b5876 100%
        );
}

.container {
    width: min(90%, 650px);
    padding: 60px 40px;

    text-align: center;

    background: rgba(255, 255, 255, 0.12);

    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 24px;

    box-shadow:
        0 25px 60px rgba(0, 0, 0, 0.25),
        inset 0 1px 1px rgba(255, 255, 255, 0.15);

    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}

.icon {
    font-size: 64px;
    margin-bottom: 25px;
}

h1 {
    margin-bottom: 18px;

    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -1px;
}

p {
    margin-bottom: 30px;

    font-size: 1.15rem;
    line-height: 1.7;

    color: rgba(255, 255, 255, 0.85);
}

.badge {
    display: inline-block;

    padding: 10px 20px;

    border-radius: 50px;

    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);

    font-size: 0.9rem;
    font-weight: 600;

    letter-spacing: 1px;
    text-transform: uppercase;
}

.loader {
    width: 45px;
    height: 45px;

    margin: 30px auto 0;

    border: 4px solid rgba(255, 255, 255, 0.25);
    border-top-color: #ffffff;

    border-radius: 50%;

    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 45px 25px;
    }

    .icon {
        font-size: 50px;
    }

    p {
        font-size: 1rem;
    }
}