@import url('https://fonts.googleapis.com/css2?family=Inter:wght@600;700&family=Raleway:wght@500&display=swap');

.lab-timeline-section {
    background-color: #1B1A30;
    color: #FFF;
    padding: clamp(3rem, 10vh, 6rem) 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
}

.lab-timeline-section.is-light {
    background-color: #f6f6f8;
    color: #101827;
}

.lab-timeline-section__inner {
    width: 100%;
    padding-left: clamp(1.5rem, 12vw, 15%);
    padding-right: clamp(1.5rem, 12vw, 15%);
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1 1 auto;
    margin: 0 auto;
}

.lab-timeline-block {
    /* Updated Color Palette to match new image */
    --bg-color: #212237;
    --primary-text-color: #6F96F5;
    --secondary-text-color: rgba(255, 255, 255, 0.80);
    --inactive-color: rgba(255, 255, 255, 0.4);

    /* Font Families */
    --font-family-title: 'Inter', sans-serif;
    --font-family-body: 'Raleway', sans-serif;

    --anim-duration: 500ms;

    background-color: transparent;
    color: var(--secondary-text-color);
    display: block;
    font-family: var(--font-family-body);
    padding: clamp(1.5rem, 4vw, 3rem) 0;
    margin: 0 auto;
    width: 100%;
    max-width: none;
    position: relative;
}

.lab-timeline-block .timeline-block__title {
    color: #FFF;
    text-align: center;

    /* H2 section titles */
    font-family: 'Inter', sans-serif;
    font-size: 46px;
    font-style: normal;
    font-weight: 600;
    line-height: 120%; /* 55.2px */
    letter-spacing: -0.46px;

    margin-bottom: clamp(0.5rem, 1.5vw, 1rem);
}

.lab-timeline-block .timeline-container {
    width: 100%;
    margin: 0 auto;
    max-width: 1280px;
    min-height: clamp(480px, 80vh, 840px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: clamp(0.5rem, 2vh, 1.25rem) 0;
}

.lab-timeline-block .timeline-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.lab-timeline-block .content-viewport {
    position: relative;
    height: 150px;
    overflow: hidden;
}

.lab-timeline-block .slide {
    position: absolute;
    inset: 0;
    padding: 0 1rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    text-align: center;
}

.lab-timeline-block .slide.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(0);
}

.lab-timeline-block .slide-title {
    color: var(--primary-text-color);
    font-family: var(--font-family-title);
    font-size: clamp(2.25rem, 4vw, 46px);
    font-weight: 600;
    line-height: 120%;
    letter-spacing: -0.46px;
    margin-bottom: 1.5rem;
}

.lab-timeline-block .slide-description {
    color: var(--secondary-text-color);
    font-family: var(--font-family-body);
    font-size: clamp(1rem, 2vw, 18px);
    font-weight: 500;
    line-height: 150%;
    max-width: 60ch;
    margin: 0 auto;
}

.lab-timeline-block .year-display {
    display: flex;
    justify-content: center;
    font-size: clamp(6rem, 20vw, 18rem);
    font-weight: 900; /* Increased font weight for bolder look */
    color: var(--primary-text-color);
    margin-top: clamp(1.5rem, 4vh, 3rem);
    line-height: 0.8;
    font-family: var(--font-family-title);
    gap: 0.1em;
}

.lab-timeline-block .digit-container {
    position: relative;
    width: 0.65em; /* Slightly increased width to prevent clipping */
    height: 1em;
    overflow: hidden;
}

.lab-timeline-block .digit {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    animation-duration: var(--anim-duration);
    animation-fill-mode: forwards;
    animation-timing-function: ease-in-out;
}

.lab-timeline-block .timeline-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-top: 2rem;
    position: relative;
    gap: 1.5rem;
}

.lab-timeline-block .nav-arrows {
    display: flex;
    gap: 1rem;
}

.lab-timeline-block .arrow-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--inactive-color);
    padding: 0.75rem;
    transition: color 0.3s ease, transform 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.lab-timeline-block .arrow-btn:not(:disabled):hover {
    color: var(--primary-text-color);
    transform: scale(1.05);
}

.lab-timeline-block .arrow-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.lab-timeline-block .arrow-btn svg {
    width: 2.25rem;
    height: 2.25rem;
}

.lab-timeline-block .timeline-next svg {
    transform: scaleX(1);
}

.lab-timeline-block .dots-container {
    display: flex;
    align-items: center;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.lab-timeline-block .dot {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background-color: var(--inactive-color);
    margin: 0 36px;
    position: relative;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.lab-timeline-block .dot.active {
    background-color: var(--primary-text-color);
}

.lab-timeline-block .dot:not(.active):hover {
    transform: scale(1.2);
}

.lab-timeline-block .dot:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    width: 72px;
    height: 2px;
    background-color: var(--inactive-color);
}

/* --- ANIMATIONS --- */
.lab-timeline-block .slide.animating {
    animation-duration: var(--anim-duration);
    animation-fill-mode: forwards;
    animation-timing-function: ease-in-out;
}

@keyframes slideInFromRight {
    from { transform: translateX(100%); opacity: 0; visibility: visible; }
    to { transform: translateX(0); opacity: 1; visibility: visible; }
}

@keyframes slideOutToLeft {
    from { transform: translateX(0); opacity: 1; visibility: visible; }
    to { transform: translateX(-100%); opacity: 0; visibility: hidden; }
}

@keyframes slideInFromLeft {
    from { transform: translateX(-100%); opacity: 0; visibility: visible; }
    to { transform: translateX(0); opacity: 1; visibility: visible; }
}

@keyframes slideOutToRight {
    from { transform: translateX(0); opacity: 1; visibility: visible; }
    to { transform: translateX(100%); opacity: 0; visibility: hidden; }
}

.lab-timeline-block .slide-in-right { animation-name: slideInFromRight; }
.lab-timeline-block .slide-out-left { animation-name: slideOutToLeft; }
.lab-timeline-block .slide-in-left { animation-name: slideInFromLeft; }
.lab-timeline-block .slide-out-right { animation-name: slideOutToRight; }

@keyframes digitInFromBottom {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes digitOutToTop {
    from { transform: translateY(0); opacity: 1; }
    to { transform: translateY(-100%); opacity: 0; }
}

@keyframes digitInFromTop {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes digitOutToBottom {
    from { transform: translateY(0); opacity: 1; }
    to { transform: translateY(100%); opacity: 0; }
}

.lab-timeline-block .digit-in-bottom { animation-name: digitInFromBottom; }
.lab-timeline-block .digit-out-top { animation-name: digitOutToTop; }
.lab-timeline-block .digit-in-top { animation-name: digitInFromTop; }
.lab-timeline-block .digit-out-bottom { animation-name: digitOutToBottom; }

/* Light mode overrides */
.lab-timeline-block.is-light {
    --bg-color: #f6f6f8;
    --primary-text-color: #101827;
    --secondary-text-color: rgba(0, 0, 0, 0.85);
    --inactive-color: rgba(0, 0, 0, 0.4);
}

.lab-timeline-block.is-light .timeline-block__title {
    color: #000;
}

@media (max-width: 992px) {
    .lab-timeline-block .timeline-container {
        min-height: auto;
        gap: 2rem;
    }

    .lab-timeline-block .year-display {
        font-size: clamp(4rem, 25vw, 10rem);
    }

    .lab-timeline-block .dots-container {
        position: static;
        transform: none;
        margin: 0 auto;
    }

    .lab-timeline-block .dot {
        margin: 0 18px;
    }

    .lab-timeline-block .dot:not(:last-child)::after {
        width: 36px;
    }

    .lab-timeline-block .timeline-nav {
        flex-wrap: wrap;
    }
}

@media (max-width: 576px) {
    .lab-timeline-block .slide-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }

    .lab-timeline-block .slide-description {
        font-size: 1rem;
    }

    .lab-timeline-block .nav-arrows {
        width: 100%;
        max-width: 320px;
        justify-content: space-between;
        margin: 0 auto;
    }

    .lab-timeline-block .timeline-nav {
        align-items: center;
    }

    .lab-timeline-block .arrow-btn svg {
        width: 2rem;
        height: 2rem;
    }

    .lab-timeline-block .dot {
        width: 20px;
        height: 20px;
    }

    .lab-timeline-block .dot:not(:last-child)::after {
        width: 28px;
    }
}