/* Insights Premium Styling - NYT-Quality Design */

/* Insights-specific CSS Custom Properties */
:root {
    --insights-gradient-primary: linear-gradient(135deg, var(--theme-primary) 0%, #3b82f6 100%);
    --insights-gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --insights-shadow-card: 0 2px 12px rgba(0, 0, 0, 0.08);
    --insights-shadow-elevated: 0 8px 24px rgba(0, 0, 0, 0.12);
    --insights-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --insights-border-radius: 12px;
    --insights-border-radius-lg: 16px;
    --insights-max-width: 920px; /* NYT article width */
}

/* Base Container */
.insights-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 2rem);
}

/* Header Section */
.insights-header {
    background: var(--theme-header-bg);
    border-bottom: 1px solid var(--theme-border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.insights-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    min-height: 60px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem clamp(1rem, 3vw, 2rem);
}

.insights-logo-section {
    display: flex;
    align-items: center;
}

.insights-logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--theme-text-primary);
    transition: var(--insights-transition);
}

.insights-logo-link:hover {
    transform: translateY(-1px);
}

.insights-logo {
    height: 36px;
    width: auto;
    margin-right: 12px;
}

.insights-title-wrapper {
    display: flex;
    flex-direction: column;
}

.insights-main-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
    color: var(--theme-text-primary);
}

.insights-subtitle {
    font-size: 0.875rem;
    color: var(--theme-text-secondary);
    font-weight: 500;
    margin-top: -2px;
}

.insights-nav-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.insights-nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.insights-nav-link {
    color: var(--theme-nav-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    transition: var(--insights-transition);
}

.insights-nav-link:hover {
    color: var(--theme-primary);
    background: var(--theme-bg-secondary);
    transform: translateY(-1px);
}

/* Hero Section - Minimal, Editorial */
.insights-hero {
    background: var(--theme-bg-primary);
    padding: clamp(2rem, 5vw, 3rem) 0 clamp(1.5rem, 3vw, 2rem);
    border-bottom: 1px solid var(--theme-border);
}

.insights-hero-content {
    max-width: var(--insights-max-width);
    margin: 0 auto;
    text-align: left;
}

.insights-hero h1 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 600;
    line-height: 1.3;
    color: var(--theme-text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.insights-hero-description {
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.65;
    color: var(--theme-text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.insights-hero-meta {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--theme-border);
}

.insights-meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.insights-meta-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--theme-text-secondary);
    font-weight: 600;
}

.insights-meta-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--theme-text-primary);
}

/* Article Container - NYT Style */
.insights-article {
    max-width: var(--insights-max-width);
    margin: clamp(2rem, 6vw, 4rem) auto;
    padding: 0 clamp(1rem, 3vw, 2rem);
}

/* Article Content Typography - NYT Quality */
.insights-content {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--theme-text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.insights-content p {
    margin: 1.25rem 0;
    text-align: left;
}

.insights-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--theme-text-primary);
    margin: 2rem 0 0.875rem 0;
    line-height: 1.35;
    letter-spacing: -0.01em;
}

.insights-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--theme-text-primary);
    margin: 1.75rem 0 0.625rem 0;
    line-height: 1.4;
}

.insights-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--theme-text-primary);
    margin: 1.5rem 0 0.5rem 0;
}

.insights-content strong {
    font-weight: 700;
}

.insights-content em {
    font-style: italic;
}

.insights-content a {
    color: var(--theme-primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: color 0.2s ease;
}

.insights-content a:hover {
    color: var(--theme-primary-hover);
}

.insights-content ul,
.insights-content ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.insights-content li {
    margin-bottom: 0.75rem;
}

/* Data Cards - Elegant Stats Display */
.insights-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin: 2rem 0;
}

.insights-stat-card {
    background: var(--theme-bg-secondary);
    border: 1px solid var(--theme-border);
    border-radius: var(--insights-border-radius);
    padding: 1.25rem;
    transition: var(--insights-transition);
}

.insights-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--insights-shadow-card);
    border-color: var(--theme-primary);
}

.insights-stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--theme-text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.insights-stat-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--theme-text-primary);
    line-height: 1.2;
}

.insights-stat-subtitle {
    font-size: 0.8125rem;
    color: var(--theme-text-secondary);
    margin-top: 0.375rem;
}

/* Chart Container */
.insights-chart-wrapper {
    background: var(--theme-bg-secondary);
    border: 1px solid var(--theme-border);
    border-radius: var(--insights-border-radius-lg);
    padding: 2rem;
    margin: 3rem 0;
}

.insights-chart-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--theme-text-primary);
    margin-bottom: 1.5rem;
}

.insights-chart-description {
    font-size: 0.9375rem;
    color: var(--theme-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.insights-chart-canvas {
    max-width: 100%;
    height: auto;
}

/* Percentile Visualization */
.insights-percentile-item {
    margin: 1.5rem 0;
}

.insights-percentile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.insights-percentile-label {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--theme-text-primary);
}

.insights-percentile-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--theme-primary);
}

.insights-percentile-bar {
    background: var(--theme-bg-secondary);
    height: 32px;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--theme-border);
}

.insights-percentile-fill {
    background: var(--insights-gradient-primary);
    height: 100%;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 0.75rem;
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tax Regime Comparison */
.insights-tax-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 2rem 0;
}

.insights-tax-card {
    background: var(--theme-bg-secondary);
    border: 1px solid var(--theme-border);
    border-radius: var(--insights-border-radius);
    padding: 2rem;
    text-align: center;
    transition: var(--insights-transition);
}

.insights-tax-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--insights-shadow-card);
}

.insights-tax-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--theme-text-primary);
    margin-bottom: 1rem;
}

.insights-tax-percentage {
    font-size: 3rem;
    font-weight: 700;
    color: var(--theme-primary);
    line-height: 1;
}

.insights-tax-description {
    font-size: 0.9375rem;
    color: var(--theme-text-secondary);
    margin-top: 0.75rem;
}

/* Call-to-Action Section */
.insights-cta {
    background: var(--insights-gradient-hero);
    color: white;
    padding: 3rem 2rem;
    border-radius: var(--insights-border-radius-lg);
    text-align: center;
    margin: 4rem 0;
}

.insights-cta h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

.insights-cta p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.insights-cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: white;
    color: var(--theme-primary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.0625rem;
    transition: var(--insights-transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.insights-cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* Navigation Links */
.insights-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 3rem;
    margin-top: 3rem;
    border-top: 1px solid var(--theme-border);
}

.insights-nav-button {
    color: var(--theme-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.75rem 1.25rem;
    border: 1px solid var(--theme-border);
    border-radius: 8px;
    transition: var(--insights-transition);
}

.insights-nav-button:hover {
    background: var(--theme-bg-secondary);
    border-color: var(--theme-primary);
    transform: translateY(-1px);
}

/* Section Headers */
.section-header {
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
    font-weight: 700;
    color: var(--theme-text-primary);
    margin: 4rem 0 2rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--theme-primary);
    letter-spacing: -0.01em;
}

/* Index Page Grid */
.insights-index-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.insights-card {
    background: var(--theme-bg-secondary);
    border: 1px solid var(--theme-border);
    border-radius: var(--insights-border-radius-lg);
    padding: 2rem;
    transition: var(--insights-transition);
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.insights-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--insights-shadow-elevated);
    border-color: var(--theme-primary);
}

.insights-card h3 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--theme-text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.insights-card-excerpt {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--theme-text-secondary);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.insights-card-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--theme-primary);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--insights-transition);
    text-align: center;
}

.insights-card-button:hover {
    background: var(--theme-primary-hover);
    transform: translateY(-1px);
}

/* No Data State */
.insights-no-data {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--theme-bg-secondary);
    border-radius: var(--insights-border-radius-lg);
    border: 1px solid var(--theme-border);
    margin: 3rem 0;
}

.insights-no-data h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--theme-text-primary);
    margin-bottom: 1rem;
}

.insights-no-data p {
    font-size: 1.0625rem;
    color: var(--theme-text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .insights-hero h1 {
        font-size: 2rem;
    }

    .insights-hero-description {
        font-size: 1.125rem;
    }

    .insights-hero-meta {
        gap: 1rem;
    }

    .insights-content {
        font-size: 1.0625rem;
    }

    .insights-content h2 {
        font-size: 1.5rem;
    }

    .insights-content h3 {
        font-size: 1.25rem;
    }

    .insights-stats-grid {
        grid-template-columns: 1fr;
    }

    .insights-tax-comparison {
        grid-template-columns: 1fr;
    }

    .insights-nav-links {
        display: none;
    }

    .insights-navigation {
        flex-direction: column;
        gap: 1rem;
    }

    .insights-cta {
        padding: 2rem 1.5rem;
    }

    .insights-cta h3 {
        font-size: 1.5rem;
    }

    .insights-index-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 420px) {
    .insights-stat-value {
        font-size: 1.75rem;
    }

    .insights-tax-percentage {
        font-size: 2.5rem;
    }

    .insights-chart-wrapper {
        padding: 1.5rem;
    }
}

/* Print Styles for Articles */
@media print {
    .insights-header,
    .insights-cta,
    .insights-navigation {
        display: none;
    }

    .insights-content {
        font-size: 12pt;
        line-height: 1.6;
    }

    .insights-article {
        max-width: 100%;
    }
}