/* ============================================
   SECTION: Naturalistic ABA Care — Core Principles of NDBI
   Header (eyebrow + big heading) + horizontally-scrolling
   row of principle cards. Carousel mirrors the values
   section (400px cards, hidden scrollbar, prev/next arrows
   driven by carousel.js).
   ============================================ */

.ndbi-principles {
    padding: 80px var(--section-side-padding);
    background: var(--color-white);
    overflow-x: clip;
}

/* ----- Header ----- */
.ndbi-principles__header {
    max-width: var(--container-max);
    margin: 0 auto 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.ndbi-principles__heading {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: var(--font-weight-normal);
    line-height: 50px;
    letter-spacing: -1.26px;
    color: var(--color-text-heading);
    margin: 0;
}

.ndbi-principles__heading .accent-script {
    color: var(--color-primary);
}

/* ----- Carousel ----- */
.ndbi-principles__carousel {
    position: relative;
}

.ndbi-principles__row {
    width: 100%;
    display: flex;
    justify-content: safe center;
    gap: 20px;
    overflow-x: auto;
    padding: 20px 4px;
    margin: 0;
    list-style: none;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.ndbi-principles__row::-webkit-scrollbar {
    display: none;
}

.ndbi-principles__arrow {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--color-white);
    border: 2px solid var(--color-primary-light);
    box-shadow: var(--shadow-card);
    color: var(--color-primary);
    cursor: pointer;
    transition: background-color var(--transition-fast), opacity var(--transition-fast);
}
.ndbi-principles__arrow:hover {
    background: var(--color-primary-light);
}
.ndbi-principles__arrow--prev {
    left: 0;
}
.ndbi-principles__arrow--next {
    left: auto;
    right: 0;
    transform: translate(50%, -50%);
}
.ndbi-principles__arrow[hidden] {
    display: none;
}
.ndbi-principles__arrow:disabled {
    opacity: 0.35;
    cursor: default;
    box-shadow: none;
}

/* ----- Principle card ----- */
.ndbi-principle-card {
    flex: 0 0 400px;
    max-width: min(400px, calc(100vw - 2 * var(--section-side-padding) - 8px));
    min-height: 320px;
    padding: 24px;
    background: var(--color-white);
    border: 2px solid var(--color-primary-light);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    scroll-snap-align: start;
    box-sizing: border-box;
}

.ndbi-principle-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    margin-bottom: 54px;
}

.ndbi-principle-card__icon--blue   { background: #8cdcff; }
.ndbi-principle-card__icon--yellow { background: #ffda8c; }
.ndbi-principle-card__icon--pink   { background: #ff98c6; }
.ndbi-principle-card__icon--coral  { background: var(--color-primary); }
.ndbi-principle-card__icon--teal   { background: #9ad9ce; }

.ndbi-principle-card__title {
    font-family: var(--font-body);
    font-size: 20px;
    font-weight: var(--font-weight-medium);
    line-height: 32px;
    color: var(--color-text-heading);
    margin: 0 0 8px;
}

.ndbi-principle-card__desc {
    font-size: 16px;
    font-weight: var(--font-weight-normal);
    line-height: 26px;
    color: var(--color-text-body);
    margin: 0;
}

/* ----- Responsive ----- */
@media (max-width: 768px) {
    .ndbi-principles__heading {
        font-size: 32px;
        line-height: 38px;
    }
    /* On touch devices, hide the arrows and let users swipe the row */
    .ndbi-principles__arrow {
        display: none;
    }
}