/* Project Timeline Section - Adapted from timeline.css */
.project-timeline {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%); /* Slightly different gradient */
    min-height: 80vh; 
    perspective: 1000px;
    overflow-x: hidden;
}

.project-timeline-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
}



.project-timeline-intro {
    max-width: 800px;
    margin: 0 auto 4rem;
    text-align: center;
    padding: 0 1.5rem;
}

.project-timeline-intro h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.project-timeline-intro p {
    font-size: 1.1rem;
    color: #546e7a;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.project-timeline-items {
    position: relative;
    height: 400px; /* Match timeline */
    margin: 0 auto;
    max-width: 800px; /* Match timeline */
}

.project-timeline-item {
    min-height: 250px;
    position: absolute;
    width: 100%;
    background: #ffffff;
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid #eaeaea;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    /* Ensure transition matches timeline.css */
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center center;
    backface-visibility: hidden;
}

.project-timeline-item:not(.active) {
    pointer-events: none;
}

/* Project Specific Styles */
.project-timeline-type {
    display: inline-flex; /* Use flex for icon alignment */
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(0,122,204,0.1);
    color: #007acc;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.project-timeline-title {
    font-size: 1.6rem; /* Slightly larger title */
    color: #2c3e50;
    font-weight: 700;
    margin-bottom: 0.8rem;
}

.project-timeline-tech {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}



.project-timeline-description {
    font-size: 1.05rem;
    color: #546e7a;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.project-timeline-link {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,122,204,0.08);
    color: #007acc;
    border-radius: 50%;
    transform: scale(0.9);
    opacity: 0.8;
    transition: all 0.3s ease;
    pointer-events: all !important;
    cursor: pointer;
}

.project-timeline-link:hover {
    background: #007acc;
    color: #ffffff;
    transform: scale(1);
    opacity: 1;
}

.project-timeline-item:nth-child(1) { z-index: 4; }
.project-timeline-item:nth-child(2) { z-index: 3; }
.project-timeline-item:nth-child(3) { z-index: 2; }
.project-timeline-item:nth-child(4) { z-index: 1; }

.project-timeline-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.project-timeline-nav {
    background: #ffffff;
    border: 2px solid #007acc;
    color: #007acc;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 122, 204, 0.1);
}

.project-timeline-nav:hover {
    background: #007acc;
    color: #ffffff;
    transform: translateY(-2px);
}

.project-timeline-nav:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Mobile responsive design - Adapt from timeline.css */
@media (max-width: 768px) {
    .project-timeline {
        padding: 4rem 0;
    }

    .project-timeline-container {
        padding: 0 1.5rem;
    }


    .project-timeline-title {
        font-size: 1.4rem;
    }

    .project-timeline-type {
        font-size: 0.85rem;
        padding: 0.4rem 1rem;
    }

    .project-timeline-description {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .project-timeline-nav {
        width: 40px;
        height: 40px;
    }

    .project-timeline-intro {
        margin-bottom: 3rem;
    }

    .project-timeline-intro h3 {
        font-size: 1.6rem;
        margin-bottom: 1.2rem;
    }

    .project-timeline-intro p {
        font-size: 1rem;
        line-height: 1.6;
    }

    .project-timeline-items {
        height: 420px; 
        max-width: 90%; 
    }

     .project-timeline-item {
        padding: 1.5rem;
    }

    .project-timeline-link {
        width: 40px;
        height: 40px;
        top: 1rem;
        right: 1rem;
    }
}

@media (max-width: 480px) {
    .project-timeline {
        padding: 3rem 0;
    }

    .project-timeline-container {
        padding: 0 1rem;
    }


    .project-timeline-title {
        font-size: 1.2rem;
    }

    .project-timeline-type {
        font-size: 0.8rem;
        padding: 0.3rem 0.8rem;
    }

    .project-timeline-description {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .project-timeline-controls {
        margin-top: 1.5rem;
    }

    .project-timeline-nav {
        width: 36px;
        height: 36px;
    }

    .project-timeline-intro {
        margin-bottom: 2.5rem;
        padding: 0 1rem;
    }

    .project-timeline-intro h3 {
        font-size: 1.4rem;
        margin-bottom: 1rem;
    }

    .project-timeline-intro p {
        font-size: 0.95rem;
        line-height: 1.5;
    }
     .project-timeline-items {
        height: 400px;
        max-width: 95%;
    }
     .project-timeline-item {
        padding: 1.25rem;
    }
     .project-timeline-link {
        width: 38px;
        height: 38px;
    }
}