/* ==========================================================================
   Accordion Block
   ========================================================================== */

/* Block heading */
.accordion-block__heading {
    margin: 0 0 24px 0;
    font-size: 2rem;
    font-weight: 400;
    line-height: 1.3;
}

/* Intro text */
.accordion-block__intro {
    margin-bottom: 32px;
}

.accordion-block__intro p:last-child {
    margin-bottom: 0;
}

/* Accordion list container */
.accordion-block__list {
    /* Container for items */
}

/* Individual accordion item */
.accordion-block__item {
    border-top: 1px solid #D5D5D5;
}

.accordion-block__item:last-child {
    border-bottom: 1px solid #D5D5D5;
}

/* Item heading - reset h3 styles */
.accordion-block__item-heading {
    margin: 0;
    font-size: inherit;
    font-weight: inherit;
}

/* Trigger button */
.accordion-block__trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 64px;
    padding: 20px 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    font-size: 20px;
    font-weight: 400;
    line-height: 1.4;
    color: inherit;
    gap: 20px;
}

.accordion-block__trigger:hover {
    opacity: 0.8;
}

.accordion-block__trigger:focus {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

.accordion-block__trigger:focus:not(:focus-visible) {
    outline: none;
}

.accordion-block__trigger:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

/* Trigger text */
.accordion-block__trigger-text {
    flex: 1;
}

/* Icon container */
.accordion-block__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    position: relative;
    color: var(--primary-colour, #333);
    display: flex;
    align-items: center;
    justify-content: center;
}

.accordion-block__icon svg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    transition: opacity 250ms ease-in-out, transform 250ms ease-in-out;
}

/* Plus icon - visible by default */
.accordion-block__icon-plus {
    opacity: 1;
}

/* Minus icon - hidden by default */
.accordion-block__icon-minus {
    opacity: 0;
}

/* Expanded state - swap icons */
.accordion-block__trigger[aria-expanded="true"] .accordion-block__icon-plus {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(90deg);
}

.accordion-block__trigger[aria-expanded="true"] .accordion-block__icon-minus {
    opacity: 1;
}

/* Content panel */
.accordion-block__content {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 400ms cubic-bezier(0.4, 0, 0.2, 1), 
                opacity 400ms cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    overflow: hidden;
}

.accordion-block__item.is-open .accordion-block__content {
    grid-template-rows: 1fr;
    opacity: 1;
}

/* Content inner - provides padding and contains the overflow */
.accordion-block__content-inner {
    min-height: 0;
    overflow: hidden;
    padding-bottom: 0;
    transition: padding-bottom 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-block__item.is-open .accordion-block__content-inner {
    padding-bottom: 24px;
}

.accordion-block__content-inner p:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */

@media all and (max-width: 1023px) {
    .accordion-block__heading {
        font-size: 1.75rem;
    }
    
    .accordion-block__trigger {
        font-size: 1rem;
        padding: 20px 0;
    }
    
    .accordion-block__icon {
        width: 36px;
        height: 36px;
    }
    
    .accordion-block__icon svg {
        width: 36px;
        height: 36px;
    }
}

@media all and (max-width: 768px) {
    .accordion-block__heading {
        font-size: 1.5rem;
        margin-bottom: 20px;
    }
    
    .accordion-block__intro {
        margin-bottom: 24px;
    }
    
    .accordion-block__trigger {
        padding: 18px 0;
        gap: 16px;
    }
    
    .accordion-block__icon {
        width: 32px;
        height: 32px;
    }
    
    .accordion-block__icon svg {
        width: 32px;
        height: 32px;
    }
    
    .accordion-block__content-inner {
        padding-bottom: 18px;
    }
}

@media all and (max-width: 480px) {
    .accordion-block__heading {
        font-size: 1.375rem;
    }
    
    .accordion-block__trigger {
        font-size: 0.9375rem;
        padding: 16px 0;
        gap: 12px;
    }
    
    .accordion-block__icon {
        width: 28px;
        height: 28px;
    }
    
    .accordion-block__icon svg {
        width: 28px;
        height: 28px;
    }
}

/* ==========================================================================
   Accessibility - Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .accordion-block__icon svg {
        transition: none;
    }
}

/* ==========================================================================
   Accessibility - Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .accordion-block__icon svg {
        transition: none;
    }
    
    .accordion-block__content {
        transition: grid-template-rows 200ms ease-in-out, opacity 200ms ease-in-out;
        transform: none;
    }
}