/* --- 테마 18: Holographic Glare --- */
@keyframes holographic-shift {
    0% { border-color: #ff00ff; }
    25% { border-color: #00ffff; }
    50% { border-color: #ffff00; }
    75% { border-color: #00ffff; }
    100% { border-color: #ff00ff; }
}

.premium-content-wrapper {
    font-family: 'Poppins', 'Pretendard', sans-serif;
    background: #f8f9fa;
    color: #212529;
    line-height: 1.8;
    word-break: keep-all;
    padding: 40px;
    border-radius: 16px;
    margin: 20px 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
}

.premium-title {
    font-size: 3em;
    font-weight: 800;
    text-align: center;
    margin-bottom: 40px;
    color: transparent;
    background: linear-gradient(90deg, #ff00ff, #00ffff, #ff00ff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    animation: text-shine 5s linear infinite;
}
@keyframes text-shine {
    to { background-position: -200% center; }
}

.premium-content-wrapper h2 {
    font-size: 2.2em;
    font-weight: 700;
    color: #343a40;
    text-align: center;
    padding-bottom: 20px;
    margin: 40px 0 30px 0;
    border-bottom: 2px solid #dee2e6;
}

.premium-content-wrapper h3 {
    font-size: 1.8em;
    font-weight: 600;
    color: #212529;
    margin: 35px 0 20px 0;
}

.premium-content-wrapper strong {
    font-weight: 600;
    color: #495057;
}

.info-highlight {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 25px;
    margin: 30px 0;
}

/* --- 버튼 섹션: Holographic Glare --- */
.premium-purchase-section {
    text-align: center;
    margin: 50px auto;
    padding: 40px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
}

.purchase-content h3 {
    color: #212529 !important;
    font-size: 2em !important;
    font-weight: 700 !important;
    margin-bottom: 15px !important;
    border: none !important;
    padding: 0 !important;
    text-shadow: none !important;
}

.purchase-content p {
    color: #495057;
    text-align: center;
    margin-bottom: 30px;
}

.premium-purchase-button {
    display: inline-block !important;
    padding: 18px 50px !important;
    font-size: 1.3em !important;
    font-weight: 700 !important;
    color: #212529 !important;
    background: transparent !important;
    border: 3px solid #ff00ff !important;
    border-radius: 50px !important;
    text-decoration: none !important;
    transition: all 0.4s ease !important;
    box-shadow: 0 0 15px rgba(255, 0, 255, 0.2) !important;
    animation: holographic-shift 4s linear infinite;
    cursor: pointer !important;
}

.premium-purchase-button:hover {
    color: #fff !important;
    background: linear-gradient(90deg, #ff00ff, #00ffff) !important;
    box-shadow: 0 0 25px rgba(255, 0, 255, 0.5), 0 0 25px rgba(0, 255, 255, 0.5) !important;
    animation-play-state: paused;
    transform: translateY(-3px) scale(1.05) !important;
    text-decoration: none !important;
}