/* PAGE HEADER */
.dp-page-header {
    padding-top: 120px !important;
    padding-bottom: 40px !important;
}

.dp-section-subtitle {
    font-size: 18px !important;
    color: #555 !important;
    max-width: 600px !important;
    margin: 0 auto !important;
    font-weight: 400 !important;
}

/* INTERACTIVE CAROUSEL BUTTONS */
.dp-concern-carousel-wrapper {
    margin-bottom: 60px !important;
    position: relative !important;
}

.dp-concern-carousel .owl-stage {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.dp-concern-btn {
    background: #fff !important;
    border: 1px solid #e0e0e0 !important;
    border-radius: 50px !important;
    padding: 12px 25px !important;
    font-family: 'PP Neue Montreal', sans-serif !important;
    font-size: 16px !important;
    color: #121212 !important;
    white-space: nowrap !important;
    transition: all 0.3s ease !important;
    cursor: pointer !important;
    opacity: 0.6 !important;
}

.dp-concern-btn.active,
.dp-concern-btn:hover {
    background: #121212 !important;
    color: #ffffff !important;
    border-color: #121212 !important;
    opacity: 1 !important;
    transform: scale(1.05) !important;
}

/* DISPLAY AREA */
.dp-content-display {
    background: #f9f9f9 !important;
    border-radius: 30px !important;
    padding: 60px !important;
    margin-top: 40px !important;
}

.dp-display-title {
    font-family: 'PP Neue Montreal', sans-serif !important;
    font-size: 42px !important;
    margin-bottom: 30px !important;
    text-align: center !important;
}

.dp-display-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 60px !important;
    align-items: center !important;
}

.dp-main-desc {
    font-size: 20px !important;
    line-height: 1.5 !important;
    margin-bottom: 30px !important;
}

.dp-science-section {
    margin-top: 20px !important;
    padding-top: 20px !important;
    border-top: 1px solid #ddd !important;
    animation: fadeIn 0.5s ease;
}

.dp-science-title {
    font-size: 18px !important;
    font-weight: 700 !important;
    margin-bottom: 10px !important;
}

.dp-science-text {
    font-size: 16px !important;
    line-height: 1.6 !important;
    color: #555 !important;
}

.dp-btn-text-only {
    background: none !important;
    border: none !important;
    border-bottom: 1px solid #121212 !important;
    padding: 0 0 5px 0 !important;
    border-radius: 0 !important;
    font-size: 16px !important;
    margin-top: 20px !important;
}

/* WAVELENGTH VISUALS */
.dp-wavelengths {
    display: flex !important;
    justify-content: center !important;
    gap: 20px !important;
    flex-wrap: wrap !important;
}

.dp-wave-card {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    width: 120px !important;
    height: 120px !important;
    border-radius: 50% !important;
    color: #fff !important;
    text-align: center !important;
    font-weight: 500 !important;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1) !important;
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.dp-wave-card span {
    font-size: 14px !important;
    opacity: 0.8 !important;
}

.dp-wave-card strong {
    font-size: 24px !important;
    display: block !important;
}

.bg-red { background: linear-gradient(135deg, #ff4d4d, #990000) !important; }
.bg-blue { background: linear-gradient(135deg, #4d79ff, #002299) !important; }
.bg-green { background: linear-gradient(135deg, #4dff88, #009933) !important; }
.bg-nir { background: linear-gradient(135deg, #cccccc, #666666) !important; } /* Invisible to eye, represented grey/white */

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes popIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@media (max-width: 768px) {
    .dp-display-grid {
        grid-template-columns: 1fr !important;
        gap: 30px !important;
    }
    .dp-content-display {
        padding: 30px !important;
    }
    .dp-display-title {
        font-size: 32px !important;
    }
}