/**
 * Homepage Styles
 * Academic Legal Website
 * 
 * Styles specific to the homepage/landing page
 */

/* ============================================================================
   HERO SECTION
   ========================================================================= */

.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: var(--white);
    padding: var(--space-3xl) 0 var(--space-4xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: var(--font-bold);
    color: var(--white);
    margin-bottom: var(--space-md);
    line-height: var(--leading-tight);
}

.hero-tagline {
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xl);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-description {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .hero {
        padding: var(--space-4xl) 0 var(--space-5xl);
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-tagline {
        font-size: var(--text-xl);
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 4rem;
    }
}

/* Hero Credentials */
.hero-credentials {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.hero-credential {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--white);
}

.hero-credential svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* Hero Actions */
.hero-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.hero-actions .btn {
    min-width: 180px;
}

/* Hero button variants for dark background */
.btn-hero-primary {
    background-color: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

.btn-hero-primary:hover {
    background-color: var(--light-bg);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-hero-secondary {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-hero-secondary:hover {
    background-color: var(--white);
    color: var(--primary);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-2xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--white);
    margin-bottom: var(--space-xs);
}

.hero-stat-label {
    display: block;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================================================
   SECTION HEADER (for all homepage sections)
   ========================================================================= */

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--text-medium);
    line-height: var(--leading-relaxed);
}

@media (min-width: 768px) {
    .section-header h2 {
        font-size: var(--text-4xl);
    }
}

/* ============================================================================
   AREAS OF FOCUS SECTION
   ========================================================================= */

.areas-of-focus {
    background-color: var(--white);
}

/* Feature cards are already styled in cards.css, 
   but we can add section-specific adjustments here if needed */

.areas-grid {
    margin-bottom: var(--space-xl);
}

/* ============================================================================
   LATEST ARTICLES SECTION
   ========================================================================= */

.latest-articles {
    background-color: var(--light-bg);
}

.articles-grid {
    margin-bottom: var(--space-2xl);
}

/* Article cards use the .card-article component from cards.css */

.view-all-articles {
    text-align: center;
}

/* ============================================================================
   NEWSLETTER CTA SECTION
   ========================================================================= */

.newsletter-cta {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: var(--white);
    padding: var(--space-4xl) 0;
    text-align: center;
}

.newsletter-cta h2 {
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--white);
    margin-bottom: var(--space-md);
}

.newsletter-cta p {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form-inline {
    display: flex;
    max-width: 500px;
    margin: 0 auto var(--space-md);
    gap: var(--space-sm);
}

.newsletter-form-inline .form-input {
    flex: 1;
    background-color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--text-dark);
}

.newsletter-form-inline .form-input:focus {
    border-color: var(--white);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

/* Dark mode: Use standard input styling */
[data-theme="dark"] .newsletter-form-inline .form-input {
    background-color: var(--surface);
    color: var(--text-dark);
    border-color: var(--border-color);
}

[data-theme="dark"] .newsletter-form-inline .form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

.newsletter-form-inline .btn {
    background-color: var(--white);
    color: var(--accent);
    border-color: var(--white);
    white-space: nowrap;
}

.newsletter-form-inline .btn:hover {
    background-color: var(--light-bg);
}

/* Dark mode: Accent button */
[data-theme="dark"] .newsletter-form-inline .btn {
    background-color: var(--accent);
    color: var(--primary-dark);
    border-color: var(--accent);
}

[data-theme="dark"] .newsletter-form-inline .btn:hover {
    background-color: #93c5fd;
}

.newsletter-privacy {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.9);
}

.newsletter-privacy a {
    color: var(--white);
    text-decoration: underline;
}

/* Dark mode */
[data-theme="dark"] .newsletter-privacy {
    color: var(--text-medium);
}

[data-theme="dark"] .newsletter-privacy a {
    color: var(--accent);
}

@media (max-width: 767px) {
    .newsletter-form-inline {
        flex-direction: column;
    }
    
    .newsletter-form-inline .btn {
        width: 100%;
    }
}

/* ============================================================================
   EMPTY STATE (when no articles/resources)
   ========================================================================= */

.empty-state {
    text-align: center;
    padding: var(--space-4xl) var(--space-md);
    background-color: var(--light-bg);
    border-radius: var(--radius-lg);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.empty-state h3 {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    color: var(--text-dark);
    margin-bottom: var(--space-md);
}

.empty-state p {
    font-size: var(--text-base);
    color: var(--text-medium);
    max-width: 500px;
    margin: 0 auto;
}

/* ============================================================================
   RESPONSIVE ADJUSTMENTS
   ========================================================================= */

@media (max-width: 767px) {
    .hero-stats {
        gap: var(--space-xl);
    }
    
    .section-header h2 {
        font-size: var(--text-2xl);
    }
    
    .newsletter-cta h2 {
        font-size: var(--text-2xl);
    }
}

/* ============================================================================
   PHASE 4 ENHANCEMENTS
   ========================================================================= */

/* Hero Value Proposition */
.hero-value-prop {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto var(--space-lg);
    line-height: 1.6;
    font-weight: var(--font-normal);
}

/* ============================================================================
   FEATURED ARTICLE SECTION
   ========================================================================= */

.featured-article-section {
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--white) 100%);
    padding: var(--space-3xl) 0;
}

.featured-article {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: var(--space-2xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.featured-article-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: linear-gradient(135deg, var(--accent) 0%, #d97706 100%);
    color: white;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.featured-article-category {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: var(--light-bg);
    color: var(--primary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-md);
    text-decoration: none;
    margin-bottom: var(--space-md);
    transition: all 0.2s ease;
}

.featured-article-category:hover {
    background: var(--primary);
    color: white;
}

.featured-article-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    line-height: 1.3;
    margin-bottom: var(--space-md);
}

.featured-article-title a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.2s ease;
}

.featured-article-title a:hover {
    color: var(--primary);
}

.featured-article-excerpt {
    font-size: var(--text-base);
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.featured-article-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    font-size: var(--text-sm);
    color: var(--text-light);
}

.featured-article-meta .meta-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.featured-article-meta svg {
    opacity: 0.7;
}

.featured-article .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

/* ============================================================================
   RESEARCH PILLARS SECTION
   ========================================================================= */

.research-pillars {
    background: var(--white);
}

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

.pillar-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-xl);
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pillar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.pillar-card:hover::before {
    transform: scaleX(1);
}

.pillar-card-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.pillar-card-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-dark);
    margin-bottom: var(--space-sm);
}

.pillar-card-description {
    font-size: var(--text-sm);
    color: var(--text-medium);
    line-height: 1.6;
    flex: 1;
    margin-bottom: var(--space-lg);
}

.pillar-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-color);
}

.pillar-card-count {
    font-size: var(--text-sm);
    color: var(--text-light);
    font-weight: var(--font-medium);
}

.pillar-card-arrow {
    color: var(--primary);
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.pillar-card:hover .pillar-card-arrow {
    opacity: 1;
    transform: translateX(0);
}

.pillar-card:hover .pillar-card-count {
    color: var(--primary);
}

/* ============================================================================
   LATEST ARTICLES GRID
   ========================================================================= */

.latest-articles {
    background: var(--light-bg);
}

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

.article-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

.article-card-content {
    padding: var(--space-lg);
}

.article-category-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: var(--light-bg);
    color: var(--text-medium);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-md);
    text-decoration: none;
    margin-bottom: var(--space-md);
    transition: all 0.2s ease;
}

.article-category-badge:hover {
    background: var(--primary);
    color: white;
}

.article-card-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    line-height: 1.4;
    margin-bottom: var(--space-sm);
}

.article-card-title a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.2s ease;
}

.article-card-title a:hover {
    color: var(--primary);
}

.article-card-excerpt {
    font-size: var(--text-sm);
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.article-card-meta {
    display: flex;
    gap: var(--space-md);
    font-size: var(--text-xs);
    color: var(--text-light);
    margin-bottom: var(--space-md);
}

.article-card-meta .meta-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.article-card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--primary);
    text-decoration: none;
    transition: gap 0.2s ease;
}

.article-card-link:hover {
    gap: var(--space-sm);
}

.section-footer {
    text-align: center;
}

/* ============================================================================
   NEWSLETTER CTA SECTION
   ========================================================================= */

.newsletter-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding: var(--space-3xl) 0;
    color: white;
    text-align: center;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-cta h2 {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-md);
    color: white;
}

.newsletter-cta p {
    font-size: var(--text-base);
    opacity: 0.9;
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.newsletter-form-inline {
    max-width: 500px;
    margin: 0 auto var(--space-md);
}

.newsletter-form-group {
    display: flex;
    gap: 0;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.newsletter-form-group .form-input {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    border: none;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    font-size: var(--text-base);
}

.newsletter-form-group .btn {
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    padding: var(--space-md) var(--space-xl);
    white-space: nowrap;
}

.newsletter-privacy {
    font-size: var(--text-sm);
    opacity: 0.8;
}

/* ============================================================================
   EMPTY STATE
   ========================================================================= */

.empty-state {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 2px dashed var(--border-color);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
}

.empty-state-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--text-dark);
    margin-bottom: var(--space-sm);
}

.empty-state-text {
    font-size: var(--text-base);
    color: var(--text-medium);
    max-width: 400px;
    margin: 0 auto var(--space-lg);
    line-height: 1.6;
}

/* ============================================================================
   DARK MODE
   ========================================================================= */

[data-theme="dark"] .featured-article-section {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-surface) 100%);
}

[data-theme="dark"] .featured-article {
    background: var(--dark-surface);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .featured-article-title a {
    color: var(--text-dark);
}

[data-theme="dark"] .featured-article-category {
    background: var(--dark-bg);
}

[data-theme="dark"] .pillar-card {
    background: var(--dark-surface);
    border-color: var(--dark-border);
}

[data-theme="dark"] .pillar-card:hover {
    border-color: var(--primary);
}

[data-theme="dark"] .pillar-card-title {
    color: var(--text-dark);
}

[data-theme="dark"] .pillar-card-footer {
    border-top-color: var(--dark-border);
}

[data-theme="dark"] .latest-articles {
    background: var(--dark-bg);
}

[data-theme="dark"] .article-card {
    background: var(--dark-surface);
}

[data-theme="dark"] .article-category-badge {
    background: var(--dark-bg);
}

[data-theme="dark"] .article-card-title a {
    color: var(--text-dark);
}

[data-theme="dark"] .newsletter-cta {
    background: linear-gradient(135deg, var(--primary-dark, #1e3a5f) 0%, var(--secondary-dark, #0f172a) 100%);
}

[data-theme="dark"] .empty-state {
    background: var(--dark-surface);
    border-color: var(--dark-border);
}

/* ============================================================================
   RESPONSIVE
   ========================================================================= */

@media (max-width: 1024px) {
    .pillars-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-value-prop {
        font-size: var(--text-base);
    }
    
    .featured-article {
        padding: var(--space-lg);
    }
    
    .featured-article-title {
        font-size: var(--text-xl);
    }
    
    .featured-article-meta {
        gap: var(--space-md);
    }
    
    .pillars-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form-group {
        flex-direction: column;
        border-radius: var(--radius-lg);
    }
    
    .newsletter-form-group .form-input {
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }
    
    .newsletter-form-group .btn {
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        width: 100%;
    }
}