* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: "Trebuchet MS", "Segoe UI", sans-serif;
    color: #ffffff;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    background: #0d1b2a;
}

body::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("https://images.unsplash.com/photo-1469474968028-56623f02e42e?auto=format&fit=crop&w=1800&q=80");
    background-size: cover;
    background-position: center;
    opacity: 0.38;
    z-index: 0;
}

body::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(12, 26, 44, 0.72), rgba(21, 46, 77, 0.6));
    z-index: 0;
}

.hero-message {
    flex: 1;
    display: grid;
    place-items: center;
    padding: 24px;
    position: relative;
    z-index: 1;
}

.message-box {
    text-align: center;
    background: rgba(0, 0, 0, 0.36);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 28px 24px;
    width: min(760px, 100%);
    backdrop-filter: blur(4px);
}

.message-box h1 {
    margin: 0;
    font-size: clamp(2rem, 6vw, 3.4rem);
    letter-spacing: 0.5px;
}

.message-box p {
    margin: 14px 0 0;
    font-size: clamp(1rem, 2.8vw, 1.4rem);
    opacity: 0.96;
}

.footer-strip {
    position: relative;
    z-index: 1;
    background: #ffffff;
    color: #1b1b1b;
    text-align: center;
    padding: 16px 12px;
    font-weight: 700;
    border-top: 1px solid #dddddd;
}

.footer-strip p {
    margin: 0;
    font-size: 0.95rem;
}

@media (max-width: 600px) {
    .message-box {
        padding: 22px 16px;
    }

    .footer-strip {
        padding: 14px 10px;
    }
}