/* timeline.css — Experience timeline: filters, items, two-column grid.

   Extracted from the old components.css. LOAD ORDER MATTERS: these files were
   cut as contiguous slices of one stylesheet, so they must stay linked in this
   order or the cascade changes:
     timeline -> testimonials -> contact -> track-record -> contact-dark -> chrome -> experience -> dark-theme
*/

/* Experience Section - Timeline Design */
.experience-section {
    background: transparent;
    color: var(--color-text);
    padding: var(--space-xl) 0;
    position: relative;
    overflow: hidden;
}

.experience-section .section-title {
    color: var(--color-text);
    text-align: left;
    margin-bottom: var(--space-md);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
}

.experience-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    position: relative;
    z-index: 2;
}

/* Timeline Filters */
.timeline-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: var(--space-lg);
}

.timeline-filter-btn {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 400;
    padding: 6px 16px;
    border-radius: 50px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    background: transparent;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.timeline-filter-btn:hover {
    border-color: rgba(var(--color-accent-rgb), 0.4);
    color: var(--color-accent);
}

.timeline-filter-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-light);
}

/* Timeline Structure */
.experience-timeline {
    position: relative;
    padding: var(--space-sm) 0;
}

/* Timeline Items */
.timeline-item {
    position: relative;
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

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

/* Timeline Content — Two-column grid */
.timeline-content {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: var(--space-md);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 16px;
    padding: var(--space-md);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    transition: all 0.4s ease;
    position: relative;
}

.timeline-item:hover .timeline-content {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(var(--color-accent-rgb), 0.2);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.timeline-item.in-view .timeline-content {
    border-color: rgba(var(--color-accent-rgb), 0.25);
    background: rgba(255, 255, 255, 0.95);
}

.timeline-item.highlight .timeline-content {
    border-color: rgba(var(--color-accent-rgb), 0.3);
    background: rgba(var(--color-accent-rgb), 0.04);
}

/* Period Column (left) */
.timeline-period-col {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding-top: 4px;
    text-align: left;
}

.timeline-period-col .timeline-logo {
    margin-bottom: 8px;
}

.timeline-period {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: rgba(0, 0, 0, 0.6);
    font-weight: 400;
    line-height: 1.4;
}

.timeline-location {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: rgba(0, 0, 0, 0.4);
    line-height: 1.4;
}

/* Main Column (right) */
.timeline-main-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* Timeline Header */
.timeline-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.timeline-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.03);
    padding: 4px;
    flex-shrink: 0;
}

.timeline-title-row {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
    flex: 1;
}

.timeline-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.3;
    color: var(--color-text);
}

.timeline-title-separator {
    color: rgba(0, 0, 0, 0.25);
    font-weight: 300;
}

.timeline-organization {
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
    color: var(--color-accent);
}

.timeline-type-badge {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 3px 8px;
    border-radius: 8px;
    background: rgba(var(--color-accent-rgb), 0.1);
    color: var(--color-accent);
    border: 1px solid rgba(var(--color-accent-rgb), 0.2);
    white-space: nowrap;
    flex-shrink: 0;
}


/* Timeline Description */
.timeline-description {
    font-size: 0.9rem;
    line-height: 1.6;
    opacity: 0.75;
    margin: 0;
}

/* Timeline Achievements */
.timeline-achievements {
    list-style: none;
    padding: 0;
    margin: 0;
}

.timeline-achievements li {
    margin-bottom: 6px;
    font-size: 0.85rem;
    line-height: 1.5;
    opacity: 0.65;
    list-style: disc;
    margin-left: var(--space-md);
}

.timeline-achievements li:last-child {
    margin-bottom: 0;
}

/* Timeline Show More Button */
.timeline-show-more-container {
    text-align: center;
    margin-top: var(--space-lg);
}

.timeline-show-more-btn {
    background: rgba(var(--color-accent-rgb), 0.08);
    border: 2px solid rgba(var(--color-accent-rgb), 0.4);
    color: var(--color-accent);
    padding: var(--space-sm) var(--space-lg);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.timeline-show-more-btn:hover {
    background: rgba(var(--color-accent-rgb), 0.15);
    border-color: rgba(var(--color-accent-rgb), 0.6);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(var(--color-accent-rgb), 0.2);
}

/* Tablet: collapse two-column to single */
@media (max-width: 1024px) {
    .timeline-content {
        grid-template-columns: 1fr;
        gap: 0;
        position: relative;
    }

    .timeline-period-col {
        flex-direction: row;
        align-items: center;
        gap: var(--space-sm);
        padding-top: 0;
        padding-bottom: var(--space-sm);
        text-align: left;
    }

    .timeline-period-col .timeline-logo {
        width: 40px;
        height: 40px;
        margin-bottom: 0;
    }

    /* Hide location in period-col on mobile — it moves below the job title */
    .timeline-period-col .timeline-location {
        display: none;
    }

    /* Date goes top-right */
    .timeline-period {
        position: absolute;
        top: var(--space-md);
        right: var(--space-md);
        font-size: 0.75rem;
    }

    /* Show location below the title row */
    .timeline-main-col .timeline-location-mobile {
        display: block;
        font-family: var(--font-mono);
        font-size: 0.75rem;
        color: rgba(0, 0, 0, 0.4);
        line-height: 1.4;
        margin-top: -4px;
    }

    .timeline-title-separator {
        display: none;
    }

    .timeline-type-badge {
        display: none;
    }

    .timeline-filters {
        gap: 6px;
    }

    .timeline-filter-btn {
        font-size: 0.75rem;
        padding: 5px 12px;
    }
}

/* Desktop: hide mobile location */
.timeline-location-mobile {
    display: none;
}