/* ====================================
   Scroll Timeline Section
   ==================================== */

.pb-section-scroll-timeline {
    overflow: hidden;
}

.pb-section-scroll-timeline .scroll-timeline-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

/* Left Column - Sticky Content */
.pb-section-scroll-timeline .scroll-timeline-left {
    position: sticky;
    top: 150px;
}

.pb-section-scroll-timeline .scroll-timeline-left-content {
    max-width: 400px;
}

.pb-section-scroll-timeline .scroll-timeline-left-content h2 {
    font-size: var(--pb-h2-fontsize-desktop);
    line-height: 1.1;
    margin-bottom: 2rem;
}

/* Right Column - Timeline */
.pb-section-scroll-timeline .scroll-timeline-right {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    /* padding-top: 2rem;
    padding-bottom: 2rem; */
}

/* Continuous center line running from top to bottom (gray background) */
.pb-section-scroll-timeline .timeline-center-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: #d1d5db;
    transform: translateX(-50%);
    z-index: 1;
}

/* Timeline Item */
.pb-section-scroll-timeline .timeline-item {
    display: flex;
    align-items: center;
    position: relative;
    width: 100%;
    min-height: 180px;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

/* Line segment per item - overlays the gray line when active */
.pb-section-scroll-timeline .timeline-line-segment {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
}

.pb-section-scroll-timeline .line-segment-top {
    width: 2px;
    height: 50%;
    background-color: transparent;
    transition: background-color 0.4s ease;
}

.pb-section-scroll-timeline .line-segment-main {
    width: 2px;
    flex-grow: 1;
    background-color: transparent;
    transition: background-color 0.4s ease;
}

/* First item only has line from center down */
.pb-section-scroll-timeline .timeline-item:first-child .line-segment-top {
    display: block;
}

/* Position Left - Card on left side of center line */
.pb-section-scroll-timeline .timeline-item.position-left {
    justify-content: flex-start;
    padding-right: calc(50% + 30px);
}

/* Position Right - Card on right side of center line */
.pb-section-scroll-timeline .timeline-item.position-right {
    justify-content: flex-end;
    padding-left: calc(50% + 30px);
}

/* Timeline Card */
.pb-section-scroll-timeline .timeline-card {
    background-color: var(--brand-color-lightgray);
    border-radius: 8px;
    padding: 3rem;
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 3;
}

.pb-section-scroll-timeline .timeline-card-content h4 {
    margin-bottom: 1.5rem;
}


/* Arrow Marker - Positioned at center of card, on the center line */
.pb-section-scroll-timeline .timeline-arrow-marker {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 4;
}

.pb-section-scroll-timeline .arrow-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #fff;
    border: 2px solid #d1d5db;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #d1d5db;
    transition: border-color 0.4s ease, color 0.4s ease, background-color 0.4s ease;
}

.pb-section-scroll-timeline .arrow-circle svg {
    width: 20px;
    height: 20px;
}

/* Active/Lit state when scrolled into view */
.pb-section-scroll-timeline .timeline-item.is-active .arrow-circle {
    border-color: #a3e635;
    color: #fff;
    background-color: #a3e635;
}

/* Active line segment - turns green */
.pb-section-scroll-timeline .timeline-item.is-active .line-segment-top,
.pb-section-scroll-timeline .timeline-item.is-active .line-segment-main {
    background-color: #a3e635;
}

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

@media screen and (max-width: 1200px) {
    .pb-section-scroll-timeline .scroll-timeline-grid {
        grid-template-columns: 1fr 1.5fr;
        gap: 7rem;
    }
    
    .pb-section-scroll-timeline .timeline-card {
        padding: 2.5rem;
    }
}

@media screen and (max-width: 992px) {
    .pb-section-scroll-timeline .scroll-timeline-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .pb-section-scroll-timeline .scroll-timeline-left {
        position: relative;
        top: 0;
    }
    
    .pb-section-scroll-timeline .scroll-timeline-left-content {
        max-width: 100%;
        text-align: center;
    }
    
    .pb-section-scroll-timeline .scroll-timeline-left-content h2 {
        font-size: var(--pb-h2-fontsize-tablet);
    }
    
    /* Stack timeline items with line on left on tablet/mobile */
    .pb-section-scroll-timeline .timeline-center-line {
        left: 20px;
        transform: none;
    }
    
    .pb-section-scroll-timeline .timeline-line-segment {
        left: 20px;
        transform: none;
    }
    
    .pb-section-scroll-timeline .timeline-item.position-left,
    .pb-section-scroll-timeline .timeline-item.position-right {
        justify-content: flex-start;
        padding-left: 60px;
        padding-right: 0;
    }
    
    .pb-section-scroll-timeline .timeline-arrow-marker {
        left: 20px;
        transform: translate(-50%, -50%);
    }
    
    .pb-section-scroll-timeline .timeline-card {
        max-width: 100%;
    }
}

@media screen and (max-width: 768px) {
    .pb-section-scroll-timeline .scroll-timeline-left-content h2 {
        font-size: var(--pb-h2-fontsize-mobile);
    }
    
    .pb-section-scroll-timeline .scroll-timeline-left-content p {
        font-size: var(--pb-normal-paragraph-fontsize-mobile);
    }
    
    .pb-section-scroll-timeline .timeline-card {
        padding: 4rem;
        text-align: left;
    }

    
    .pb-section-scroll-timeline .arrow-circle {
        width: 36px;
        height: 36px;
    }
    
    .pb-section-scroll-timeline .arrow-circle svg {
        width: 18px;
        height: 18px;
    }
}