.card-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background: linear-gradient(145deg, #0b0b12, #1a1025);
    border: 1px solid #b300ff;
    border-radius: 16px;
    box-shadow: 0 0 15px rgba(179, 0, 255, 0.3);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #f0e6ff;
}

.main-heading {
    font-size: 2.8rem;
    font-weight: 800;
    text-align: center;
    color: #ff66cc;
    margin-bottom: 1rem;
    text-shadow: 0 0 4px #ff66cc, 0 0 8px #b300ff;
}

.subheading {
    text-align: center;
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: #ccc;
    opacity: 0.85;
}

.section {
    margin-bottom: 2.5rem;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #d400ff;
    margin-bottom: 1rem;
    text-shadow: 0 0 6px rgba(212, 0, 255, 0.3);
}

.paragraph {
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: 1rem;
    color: #eae1f2;
}

.info-box {
    background: rgba(179, 0, 255, 0.08);
    border-left: 4px solid #ff00aa;
    padding: 1rem;
    border-radius: 10px;
    font-size: 1.05rem;
    color: #f8d9f8;
    margin-top: 1rem;
}

.info-box::before {
    content: '✧ ';
    color: #ff00aa;
    margin-right: 5px;
}

.list-section {
    background: rgba(25, 5, 45, 0.5);
    border: 1px solid rgba(179, 0, 255, 0.3);
    border-radius: 8px;
    padding: 1.2rem;
}

.list-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #ff66cc;
    margin-bottom: 0.8rem;
}

.custom-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    font-size: 1.05rem;
}

.custom-list li::before {
    content: '✦ ';
    color: #b300ff;
    margin-right: 0.4rem;
}

.book-button-wrapper {
    text-align: center;
    margin-top: 2rem;
}

/* Original Neon Button (with glow softened slightly) */
.neon-button {
    position: relative;
    display: inline-block;
    padding: 14px 36px;
    margin-top: 20px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    background: transparent;
    border: 1px solid white;
    border-radius: 25px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

.neon-button:hover {
    color: #b300ff;
    text-shadow: 0 0 4px #ff66cc;
    border-color: #b300ff;
    box-shadow: 0 0 10px #b300ff, 0 0 20px rgba(179, 0, 255, 0.25);
}

.button-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: 0.5s;
}

.neon-button:hover .button-glow {
    left: 100%;
}

.button-sparkle {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    opacity: 0;
    transform: scale(0);
    transition: all 0.5s ease;
}

.neon-button:hover .button-sparkle {
    opacity: 0.4;
    transform: scale(1);
}

.button-text {
    position: relative;
    z-index: 1;
}

@media (max-width: 600px) {
    .main-heading {
        font-size: 2.2rem;
    }
    .section-title {
        font-size: 1.5rem;
    }
    .paragraph,
    .info-box,
    .custom-list {
        font-size: 1rem;
    }
}