:root {
    --bg-dark: #000000;
    --text-light: #ffffff;
    --text-muted: #b3b3b3;
    --neutral-300: #808080;
    --neutral-500: #666666;
    --neutral-700: #404040;
    --neutral-800: #262626;
    --purple-500: #8b5cf6;
    --blue-500: #3b82f6;
    --accent: #f26431;
    --accent-secondary: #ff9f1a;
}



.acs-timeline-container {
    min-height: 100vh;
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 2rem;
}

.acs-timeline-header {
    text-align: left;
    max-width: 80rem;
    margin: 0 auto 6rem;
    padding: 2rem;
}

.acs-timeline-header h1 {
    font-size: 5rem;
    font-weight: bold;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.acs-timeline-header p {
    color: var(--text-muted);
    font-size: 1.25rem;
    max-width: 40rem;
    margin: 0;
    opacity: 0.9;
    line-height: 1.6;
}

.acs-timeline {
    position: relative;
    max-width: 80rem;
    margin: 0 auto;
    padding-bottom: 5rem;
}

.acs-timeline-line {
    position: absolute;
    left: 2rem;
    top: 0;
    width: 2px;
    height: 100%;
    overflow: hidden;
    background: linear-gradient(to bottom, transparent 0%, var(--neutral-700) 50%, transparent 100%);
    mask-image: linear-gradient(to bottom, transparent 0%, black 10%, black 90%, transparent 100%);
}

.acs-timeline-progress {
    position: absolute;
    inset-x: 0;
    top: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-secondary), var(--accent));
    transition: height 0.3s ease, opacity 0.3s ease;
    opacity: 0;
    box-shadow: 0 0 10px rgba(242, 100, 49, 0.3);
}

.acs-timeline-item {
    display: flex;
    padding-top: 10rem;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.6s ease;
}

.acs-timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.acs-timeline-marker {
    position: sticky;
    top: 10rem;
    display: flex;
    align-items: center;
    z-index: 40;
    align-self: flex-start;
    min-width: 20rem;
}

.acs-timeline-dot {
    position: absolute;
    left: 0.75rem;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--bg-dark);
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(242, 100, 49, 0.15);
    border: 1px solid rgba(242, 100, 49, 0.3);
    transition: all 0.3s ease;
}

.acs-timeline-dot-inner {
    width: 1rem;
    height: 1rem;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent));
    border-radius: 9999px;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.acs-timeline-item:hover .acs-timeline-dot {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(242, 100, 49, 0.3);
}

.acs-timeline-item:hover .acs-timeline-dot-inner {
    transform: scale(1.2);
    opacity: 1;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
}

.acs-timeline-title {
    display: none;
    padding-left: 5rem;
    font-size: 3rem;
    font-weight: bold;
    background: linear-gradient(to right, var(--accent), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.3;
    transition: opacity 0.3s ease;
}

.acs-timeline-item:hover .acs-timeline-title {
    opacity: 1;
}

.acs-timeline-content {
    padding-left: 5rem;
    padding-right: 1rem;
    width: 100%;
}

.acs-timeline-content h3 {
    display: block;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: bold;
    color: var(--text-light);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.acs-timeline-text {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 2rem;
    line-height: 1.6;
    opacity: 0.9;
}

.acs-timeline-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.acs-timeline-image {
    width: 100%;
    height: 15rem;
    object-fit: cover;
    border-radius: 0.5rem;
    box-shadow: 0 0 24px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(139, 92, 246, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.acs-timeline-image:hover {
    transform: scale(1.02);
    box-shadow: 0 0 30px rgba(231, 109, 9, 0.2), 0 0 0 1px rgba(231, 114, 5, 0.2);
}

@media (min-width: 850px)
{
    .acs-timeline-container {
        padding: 3rem;
    }
}
@media (min-width: 768px) {
    .acs-timeline-line {
        left: 2rem;
    }

    .acs-timeline-title {
        display: block;
    }

    .acs-timeline-content h3 {
        display: none;
    }
}

@media (max-width: 768px) {
    

    .acs-timeline-header {
      
        margin-bottom: 3rem;
    }

    .acs-timeline-header h1 {
        font-size: 3rem;
    }

    .acs-timeline-header p {
        font-size: 1rem;
        max-width: 100%;
    }

    .acs-timeline-marker {
        min-width: 10rem;
    }

    .acs-timeline-content {
        padding-left: 5rem;
    }

    .acs-timeline-image-grid {
        grid-template-columns: 1fr;
    }

    .acs-timeline-image {
        height: 12rem;
    }
}
@media (max-width: 550px) {

    .acs-timeline-content {
        padding-left
        : 0rem;
    }
    
}