body {
    font-family: Arial, sans-serif;
    margin:0;
    padding:0;
    background:#f5f7fa;
    transition:0.3s;
}

.container {
    max-width:900px;
    margin:auto;
    padding:20px;
}

h1 {
    font-size:28px;
}

.cta {
    display:inline-block;
    padding:15px 25px;
    background:#00b894;
    color:white;
    text-decoration:none;
    border-radius:6px;
    font-size:18px;
    margin-top:20px;
}

/* ===== EMERGENCY MODE ===== */
.emergency-mode {
    background: linear-gradient(45deg,#5c0000,#b30000);
    color:white;
}

.emergency-box {
    background:#ff1a1a;
    padding:20px;
    text-align:center;
    font-size:22px;
    font-weight:bold;
    animation: blink 1s infinite;
}

@keyframes blink {
    50% { opacity: 0.4; }
}

.siren {
    font-size:40px;
    animation: siren 0.5s infinite alternate;
}

@keyframes siren {
    from { transform: scale(1); }
    to { transform: scale(1.15); }
}