.hero-section {
    background: var(--post-bg-primary-gradient);
    color: white;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1.5" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.section-divider {
    height: 3px;
    background: var(--post-bg-primary-gradient);
    border: none;
    margin: 4rem 0;
}

.light-therapy-card {
    border: none;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    height: 100%;
    background: white;
}

.light-therapy-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.light-card-red {
    border-top: 5px solid #dc3545;
}

.light-card-blue {
    border-top: 5px solid #0d6efd;
}

.light-card-green {
    border-top: 5px solid #198754;
}

.light-card-yellow {
    border-top: 5px solid #ffc107;
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: var(--post-bg-primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 25px rgba(79, 172, 254, 0.3);
}

.process-step {
    position: relative;
    padding: 2.5rem;
    background: white;
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    margin-bottom: 2rem;
    border-left: 5px solid #4facfe;
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateX(10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.process-number {
    position: absolute;
    top: -20px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--post-bg-primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(79, 172, 254, 0.3);
}

.feature-img {
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.feature-img:hover {
    transform: scale(1.05);
}

.before-after-container {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.before-after-label {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.faq-card {
    background: #f8f9fa;
    border: none;
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    border-left: 5px solid #4facfe;
    transition: all 0.3s ease;
}

.faq-card:hover {
    background: white;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transform: translateX(5px);
}

.highlight-box {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border: none;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    border-left: 5px solid #4facfe;
}

.cta-section {
    background: var(--post-bg-primary-gradient);
    color: white;
    padding: 80px 0;
    border-radius: 30px;
    margin: 4rem 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    animation: float 20s infinite linear;
}

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--post-bg-primary-gradient);
    border-radius: 2px;
}

.author-info {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 15px;
    padding: 1.5rem;
    border-left: 5px solid #4facfe;
    margin-bottom: 2rem;
}

.light-wavelength {
    font-size: 0.85rem;
    color: #6c757d;
    font-weight: 500;
}

.treatment-result-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin: 2rem 0;
    border-top: 5px solid #4facfe;
}

.suitable-candidate {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    border: none;
    border-radius: 15px;
    padding: 2rem;
    border-left: 5px solid #198754;
}