/* Timeline Component - Carousel Style */

.timeline {
    padding: var(--spacing-lg) 0;
    background: var(--color-blue);
    color: var(--color-white);
}

.timeline__inner {
    width: 100%;
}

/* Heading */
.timeline__heading {
    color: var(--color-white);
    margin: 0 0 24px 0;
    padding: 25px 30px 25px calc((100% - var(--container-width)) / 2 + 30px);
    background-color: var(--color-light-blue);
    display: inline-block;
    position: relative;
    max-width: fit-content;
}

.timeline__heading::after {
    content: '';
    width: 40px;
    height: 100%;
    background-color: var(--color-light-blue);
    position: absolute;
    top: 0;
    right: -40px;
    clip-path: polygon(0% 0%, 0% 0%, 0% 100%, 100% 100%);
}

@media screen and (max-width: 1440px) {
    .timeline__heading {
        padding: 25px 30px 25px 5%;
    }
}

@media screen and (max-width: 768px) {
    .timeline__heading {
        padding: 20px 25px 20px 5%;
    }
    
    .timeline__heading::after {
        width: 30px;
        right: -30px;
    }
}

@media screen and (max-width: 576px) {
    .timeline__heading {
        padding: 15px 20px 15px 5%;
    }
    
    .timeline__heading::after {
        width: 20px;
        right: -20px;
    }
}

/* Years Navigation */
.timeline__years-wrapper {
    position: relative;
    padding-bottom: var(--spacing-sm);
    overflow: hidden;
}

.timeline__years-scroll {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: var(--spacing-xs);
    position: relative;
}

.timeline__years-scroll::-webkit-scrollbar {
    display: none;
}

.timeline__year-btn {
    flex-shrink: 0;
    background: none;
    border: none;
    padding: 0;
    padding-top: 12px;
    font-size: 1.5rem;
    font-weight: 850;
    font-style: italic;
    font-family: var(--sans);
    color: #8097AF;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    line-height: 1;
    cursor: pointer;
    transition: color 0.4s ease;
    position: relative;
    white-space: nowrap;
}

.timeline__year-btn:hover {
    color: rgba(var(--color-white-rgb), 0.8);
}

.timeline__year-btn.is-active {
    color: var(--color-white);
}

/* Sliding Indicator */
.timeline__indicator {
    position: absolute;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(to right, transparent, var(--color-red) 50%, transparent);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

/* Navigation Arrows */
.timeline__nav {
    display: flex;
    gap: var(--spacing-sm);
    margin-top:var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.timeline__nav-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    background: var(--color-white);
    border: none;
    cursor: pointer;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline__nav-btn:hover {
    opacity: 0.8;
}

.timeline__nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.timeline__nav-btn svg {
    display: block;
}

/* Slides Container */
.timeline__slides {
    position: relative;
    width: 100%;
    min-height: 300px;
}

.timeline__slide {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: flex-start;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease-in-out;
}

.timeline__slide.is-active {
    opacity: 1;
    pointer-events: auto;
    position: relative;
}

/* Content Column */
.timeline__content {
    padding-right: var(--spacing-md);
}

.timeline__headline {
    color: var(--color-white);
    letter-spacing: 0.3px;
    margin: 0 0 var(--spacing-md) 0;
    font-style: italic !important;
}

.timeline__description {
    color: var(--color-white);
    line-height: 1.33;
    margin: 0;
}

/* Image Column */
.timeline__image-wrapper {
    width: 100%;
    max-height:380px;
    background: #BFCBD7;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline__image {
    width: 100%;
    max-height:380px;
    object-fit: cover;
    display: block;
}

.timeline__image-placeholder {
    width: 100%;
    max-height:380px;
    background: #BFCBD7;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .timeline__year-btn {
        font-size: 1.5rem;
    }

    .timeline__slides {
        min-height: 500px;
    }

    .timeline__slide {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .timeline__content {
        padding-right: 0;
    }

    .timeline__image-wrapper {
        max-height: 250px;
    }
}

/* Tablet Responsive */
@media (max-width: 992px) {

    .timeline__image-wrapper {
        max-height: 400px;
    }
}