/* ========================================
   Tracks Page Styles
   ======================================== */

/* Page Header */
.page-header {
    padding: 160px 0 80px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-light) 100%);
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0, 255, 136, 0.1), transparent 70%);
}

.page-header h1 {
    font-size: 52px;
    font-weight: 900;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.page-header p {
    font-size: 20px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

/* Filter Section */
.filter-section {
    padding: 40px 0;
    background: var(--bg-darker);
    position: sticky;
    top: 75px;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 12px 28px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    color: var(--text-muted);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.filter-tab:hover {
    border-color: rgba(0, 255, 136, 0.3);
    color: var(--text-white);
}

.filter-tab.active {
    background: var(--gradient-button);
    border-color: var(--primary-color);
    color: var(--bg-dark);
}

/* Tracks Section */
.tracks-section {
    padding: 60px 0 100px;
}

.tracks-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* Track Full Card */
.track-full-card {
    display: grid;
    grid-template-columns: 400px 1fr;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.track-full-card:hover {
    border-color: rgba(0, 255, 136, 0.3);
    box-shadow: var(--shadow-glow);
}

.track-full-image {
    position: relative;
    min-height: 350px;
    background: linear-gradient(135deg, var(--bg-light), var(--bg-dark));
}

.track-full-image .track-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 16px;
}

.track-date-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 700;
}

.track-full-content {
    padding: 40px;
}

.track-category-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 15px;
}

.track-category-tag.software {
    background: rgba(139, 92, 246, 0.2);
    color: #a78bfa;
}

.track-category-tag.electronics {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

.track-category-tag.electrical {
    background: rgba(250, 204, 21, 0.2);
    color: #fcd34d;
}

.track-category-tag.industry {
    background: rgba(6, 182, 212, 0.2);
    color: #22d3ee;
}

.track-category-tag.building {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

.track-category-tag.vehicle {
    background: rgba(251, 146, 60, 0.2);
    color: #fb923c;
}

.track-full-content h2 {
    font-size: 32px;
    font-weight: 900;
    color: var(--text-white);
    margin-bottom: 8px;
}

.track-full-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.track-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.track-details-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
    padding: 25px;
    background: rgba(0, 255, 136, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 255, 136, 0.1);
}

.detail-item {
    text-align: center;
}

.detail-label {
    display: block;
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 8px;
}

.detail-value {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-white);
}

.track-careers,
.track-eligible {
    margin-bottom: 20px;
}

.track-careers h4,
.track-eligible h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 8px;
}

.track-careers p,
.track-eligible p {
    font-size: 15px;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
    .track-full-card {
        grid-template-columns: 1fr;
    }

    .track-full-image {
        min-height: 250px;
    }

    .track-details-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 36px;
    }

    .filter-tabs {
        gap: 10px;
    }

    .filter-tab {
        padding: 10px 20px;
        font-size: 14px;
    }

    .track-full-content {
        padding: 25px;
    }

    .track-full-content h2 {
        font-size: 24px;
    }

    .track-details-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .track-details-grid {
        grid-template-columns: 1fr;
    }
}