/* ==============================================
   PRODUCT TRAIL — RESOURCES PAGE STYLES
   ============================================= */

.resources-page {
    padding-top: 120px;
}

.resources-hero {
    text-align: center;
    padding-bottom: var(--space-2xl);
}

.resources-hero h1 {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-md);
}

.resources-hero p {
    font-size: 1.0625rem;
    color: var(--clr-text-secondary);
    max-width: 520px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

/* Category Filter */
.category-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.cat-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--clr-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.cat-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--clr-text-primary);
    transform: translateY(-2px);
}

.cat-btn.active {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
    color: white;
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.5);
    transform: translateY(-2px);
}

.cat-count {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    padding: 1px 7px;
    font-size: 0.7rem;
    font-weight: 600;
}

.cat-btn.active .cat-count {
    background: rgba(255, 255, 255, 0.2);
}

/* Featured Resources */
.featured-resources {
    margin-bottom: var(--space-3xl);
}

.featured-resources h2 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.featured-resource-card {
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
}

.featured-resource-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
}

.featured-resource-card .resource-icon {
    font-size: 2rem;
    margin-bottom: var(--space-md);
    display: block;
}

.featured-resource-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.resource-source {
    font-size: 0.8125rem;
    color: var(--clr-text-muted);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: 4px;
}

.resource-desc {
    font-size: 0.9rem;
    color: var(--clr-text-secondary);
    line-height: 1.7;
    margin: var(--space-sm) 0 var(--space-md);
}

.resource-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.resource-access-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--clr-primary-light);
    transition: all var(--transition-base);
}

.resource-access-link:hover {
    gap: 10px;
    color: var(--clr-text-primary);
}

/* All Resources Grid */
.all-resources h2 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.resource-card {
    padding: var(--space-lg);
    transition: transform var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-base);
}

.resource-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--clr-border-glow);
}

.resource-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.resource-card-icon {
    font-size: 1.5rem;
}

.resource-card h4 {
    font-size: 0.9375rem;
    font-weight: 700;
    margin-bottom: 4px;
    line-height: 1.3;
}

.resource-card p {
    font-size: 0.85rem;
    color: var(--clr-text-secondary);
    line-height: 1.6;
    margin: var(--space-sm) 0 var(--space-md);
}

.resource-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Learning Path Timeline */
.learning-path-section {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, transparent, rgba(124, 58, 237, 0.04), transparent);
}

.learning-path-section h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
}

.learning-path-section .subtitle {
    color: var(--clr-text-secondary);
    font-size: 1rem;
    margin-bottom: var(--space-2xl);
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 28px;
    top: 20px;
    bottom: 20px;
    width: 2px;
    background: linear-gradient(to bottom, var(--clr-primary), var(--clr-accent), transparent);
    z-index: 0;
}

.timeline-item {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    position: relative;
}

.timeline-dot {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    background: var(--clr-bg);
    /* Ensure solid background to cover the line */
}

.timeline-dot.beginner {
    background: rgba(16, 185, 129, 0.15);
    border: 2px solid rgba(16, 185, 129, 0.4);
}

.timeline-dot.intermediate {
    background: rgba(245, 158, 11, 0.15);
    border: 2px solid rgba(245, 158, 11, 0.4);
}

.timeline-dot.advanced {
    background: rgba(124, 58, 237, 0.15);
    border: 2px solid rgba(124, 58, 237, 0.4);
}

.timeline-content {
    padding-top: 8px;
}

.timeline-stage {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.beginner .timeline-stage {
    color: var(--clr-green);
}

.intermediate .timeline-stage {
    color: var(--clr-gold);
}

.advanced .timeline-stage {
    color: var(--clr-primary-light);
}

.timeline-content h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.timeline-content p {
    font-size: 0.875rem;
    color: var(--clr-text-secondary);
    line-height: 1.6;
    margin-bottom: 10px;
}

.timeline-resources {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

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

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

@media (max-width: 768px) {
    .featured-grid {
        grid-template-columns: 1fr;
    }

    .resources-grid {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        display: none;
    }
}