/* ==========================================================================
   ASTERISM COMMUNICATIONS - Insights Page Styles
   ========================================================================== */

/* =========================================================================
   INSIGHTS HERO - Gradient Background (like Services page)
   ========================================================================= */
.insights-hero {
    padding: var(--spacing-32) 0 var(--spacing-16);
    background: var(--color-white);
    text-align: center;
}

.insights-hero--gradient {
    background: linear-gradient(135deg, var(--color-accent-blue) 0%, var(--color-accent-red) 100%);
    padding: 8rem 0 4rem;
    position: relative;
    overflow: hidden;
}

/* Diagonal pattern overlay like services */
.insights-hero--gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(255,255,255,0.02) 10px,
            rgba(255,255,255,0.02) 20px
        );
    pointer-events: none;
}

.insights-hero--gradient .container {
    position: relative;
    z-index: 1;
}

.insights-hero--gradient h1 {
    color: #ffffff !important;
}

.insights-hero--gradient p,
.insights-hero--gradient .subtitle,
.insights-hero--gradient p.subtitle {
    color: #ffffff !important;
    opacity: 1;
}

.insights-hero h1 {
    font-size: var(--font-size-h1);
    margin-bottom: var(--spacing-4);
}

.insights-hero .subtitle,
.insights-hero p.subtitle {
    font-size: var(--font-size-lead);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* =========================================================================
   NAVIGATION TABS
   ========================================================================= */
.insights-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-8) 0;
    border-bottom: 1px solid var(--color-border-light);
    position: sticky;
    top: 100px;
    background: var(--color-white);
    z-index: var(--z-index-sticky);
    flex-wrap: wrap;
}

.insights-nav-link {
    padding: var(--spacing-3) var(--spacing-6);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-quick);
    border-radius: var(--border-radius);
}

.insights-nav-link:hover {
    background: var(--color-gray-bg);
    color: var(--color-text-primary);
}

.insights-nav-link.active {
    background: var(--color-black);
    color: var(--color-white);
}

/* =========================================================================
   CASE STUDIES
   ========================================================================= */
.case-studies {
    padding: var(--spacing-16) 0;
    background: var(--color-white);
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-8);
}

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

.case-study-card {
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.case-study-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

/* Landscape aspect ratio for case study images */
.case-study-image {
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, 
        rgba(68, 142, 246, 0.1) 0%, 
        rgba(244, 90, 90, 0.1) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.case-study-category {
    position: absolute;
    top: var(--spacing-4);
    left: var(--spacing-4);
    background: var(--color-accent-red);
    color: var(--color-white);
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-study-content {
    padding: var(--spacing-8);
}

.case-study-content h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-3);
}

.case-study-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-4);
    line-height: var(--line-height-relaxed);
}

.case-study-link {
    color: var(--color-accent-blue);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: var(--transition-quick);
}

.case-study-link:hover {
    color: var(--color-black);
}

/* Filter Buttons */
.filter-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-12);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition-quick);
    font-size: var(--font-size-sm);
    border-radius: var(--border-radius);
}

.filter-btn:hover {
    border-color: var(--color-accent-blue);
    color: var(--color-accent-blue);
}

.filter-btn.active {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

/* =========================================================================
   ARTICLES
   ========================================================================= */
.articles {
    padding: var(--spacing-16) 0;
    background: var(--color-gray-bg);
}

.articles-list {
    max-width: 900px;
    margin: 0 auto;
}

.article-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--spacing-8);
    padding: var(--spacing-8) 0;
    border-bottom: 1px solid var(--color-border-light);
}

@media (max-width: 600px) {
    .article-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-2);
    }
}

.article-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: var(--font-weight-medium);
}

.article-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
}

.article-content h3 a {
    color: var(--color-black);
    text-decoration: none;
    transition: var(--transition-quick);
}

.article-content h3 a:hover {
    color: var(--color-accent-blue);
}

.article-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-3);
    line-height: var(--line-height-relaxed);
}

.article-tags {
    display: flex;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

.tag {
    padding: var(--spacing-1) var(--spacing-2);
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* =========================================================================
   TOOLS & TEMPLATES
   ========================================================================= */
.tools {
    padding: var(--spacing-16) 0;
    background: var(--color-white);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-8);
}

.tool-card {
    background: var(--color-white);
    padding: var(--spacing-8);
    border: 2px dashed var(--color-border-light);
    text-align: center;
    transition: var(--transition-quick);
}

.tool-card:hover {
    border-style: solid;
    border-color: var(--color-accent-blue);
    transform: scale(1.02);
}

.tool-icon {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-4);
    color: var(--color-accent-red);
}

.tool-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3);
}

.tool-card p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-6);
    line-height: var(--line-height-relaxed);
}

.download-btn {
    display: inline-block;
    padding: var(--spacing-3) var(--spacing-6);
    background: var(--color-accent-blue);
    color: var(--color-white);
    text-decoration: none;
    transition: var(--transition-quick);
    border-radius: var(--border-radius);
}

.download-btn:hover {
    background: var(--color-accent-red);
    transform: translateY(-2px);
}

/* =========================================================================
   FAQS
   ========================================================================= */
.faqs {
    padding: var(--spacing-16) 0;
    background: var(--color-gray-bg);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-6);
    border-bottom: 1px solid var(--color-border-light);
}

.faq-question {
    padding: var(--spacing-6) 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-quick);
}

.faq-question:hover {
    color: var(--color-accent-blue);
}

.faq-question h3 {
    font-size: var(--font-size-lg);
    margin-bottom: 0;
}

.faq-toggle {
    font-size: var(--font-size-2xl);
    transition: transform 0.3s ease;
    color: var(--color-accent-red);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.5s ease, opacity 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    opacity: 1;
    padding-bottom: var(--spacing-6);
}

.faq-answer p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-loose);
}

.article-item {
    display: grid;
    grid-template-columns: 120px auto 1fr;
    gap: 1.5rem;
    align-items: start;
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-border, #e5e7eb);
}

/* When there's no thumbnail, adjust grid */
.article-item:not(:has(.article-thumbnail)) {
    grid-template-columns: auto 1fr;
}

.article-thumbnail {
    width: 120px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.article-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-thumbnail:hover img {
    transform: scale(1.05);
}

.article-date {
    color: var(--color-text-muted, #6b7280);
    font-size: 0.875rem;
    min-width: 70px;
}

.article-content h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
}

.article-content h3 a {
    color: var(--color-text, #1f2937);
    text-decoration: none;
}

.article-content h3 a:hover {
    color: var(--color-primary, #448EF6);
}

.article-content p {
    color: var(--color-text-muted, #6b7280);
    margin: 0 0 0.75rem 0;
    font-size: 0.9375rem;
}

/* Responsive - stack on mobile */
@media (max-width: 640px) {
    .article-item {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .article-thumbnail {
        width: 100%;
        height: 180px;
    }
    
    .article-date {
        order: -1;
    }
}