* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    /* Slightly darker, richer warm parchment/cream gradient */
    background: linear-gradient(135deg, #e4dacb, #ccbc9f);
    color: #1e293b;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: 3px;
    margin-bottom: 8px;
    /* Expanded rainbow gradient for smooth looping animation */
    background: linear-gradient(270deg, #ff4e50, #f9d423, #2ecc71, #3498db, #9b59b6, #ff4e50);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    /* Animation effect for the title */
    animation: rainbowAnimation 8s ease infinite;
    cursor: default;
    transition: transform 0.3s ease;
}

/* Hover pop effect on the title */
h1:hover {
    transform: scale(1.05);
}

/* Keyframes for the moving rainbow effect */
@keyframes rainbowAnimation {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

p.subtitle {
    color: #475569;
    font-size: 0.95rem;
    margin-bottom: 30px;
}

.menu {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn {
    display: block;
    background: #1e293b;
    color: #f8fafc;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    background: #0f172a;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px -2px rgba(0, 0, 0, 0.15);
}

.btn.secondary {
    background: transparent;
    color: #1e293b;
    border: 1px solid rgba(0, 0, 0, 0.2);
    box-shadow: none;
}

.btn.secondary:hover {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.4);
}