/* Article Page Styling */

:root {
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
}

body {
    background: linear-gradient(135deg, var(--bg-light), var(--bg-light));
    min-height: 100vh;
}

/* Hero Section */
.hero-container {
    position: relative;
    width: 100%;
    height: 60vh;
    min-height: 400px;
    max-height: 600px;
    overflow: hidden;
    margin-bottom: -100px;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(
        to bottom,
        rgba(248, 250, 252, 0) 0%,
        var(--bg-light) 100%
    );
}

/* Article Layout */
.article-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Article Content */
.article-content {
    position: relative;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

/* Article Header */
.article-header {
    text-align: center;
    margin-bottom: 3rem;
}

.article-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1.5rem;
}

.article-meta {
    font-size: 0.95rem;
    color: #666;
}

.article-meta i {
    margin-right: 0.5rem;
}

/* Enhanced Typography */
.article-body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.8;
    font-size: 1.1rem;
    color: #2d3436;
}

/* Featured Image Styling */
.featured-image-container {
    position: relative;
    overflow: hidden;
    max-width: 1200px;
    margin: 0 auto 1.5rem;
    padding-top: 2rem;
    background: linear-gradient(180deg, 
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 1) 100%
    );
}

.featured-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* Responsive image adjustments */
@media (max-width: 768px) {
    .featured-image {
        aspect-ratio: 3/2;
    }
    
    .featured-image-container {
        padding-top: 1.5rem;
    }
}

@media (max-width: 576px) {
    .featured-image-container {
        padding-top: 1rem;
        margin-bottom: 1rem;
    }
    
    .featured-image {
        aspect-ratio: 4/3;
    }
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
    .featured-image-container {
        background: linear-gradient(180deg, 
            rgba(26, 26, 46, 0) 0%,
            rgba(26, 26, 46, 1) 100%
        );
    }
    
    .featured-image {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-container {
        height: 50vh;
        min-height: 300px;
        margin-bottom: -50px;
    }

    .article-container {
        padding: 0 1rem;
    }

    .article-content {
        padding: 1.5rem;
        margin-top: 1rem;
    }

    .article-header h1 {
        font-size: 2rem;
    }
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    .hero-overlay {
        background: linear-gradient(
            to bottom,
            rgba(15, 23, 42, 0) 0%,
            var(--bg-dark) 100%
        );
    }

    .article-content {
        background: rgba(26, 26, 46, 0.9);
    }

    .article-header h1 {
        color: #f1f5f9;
    }

    .article-meta {
        color: #94a3b8;
    }
}

/* Article Meta Styling */
.article-meta {
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.article-meta i {
    color: var(--bs-primary);
}

/* Article Body Enhancements */
.article-body h2 {
    color: var(--bs-gray-900);
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.article-body h3 {
    color: var(--bs-gray-800);
    margin-top: 2rem;
    margin-bottom: 1.2rem;
    font-weight: 500;
}

.article-body p {
    margin-bottom: 1.5rem;
}

.article-body .lead {
    font-size: 1.25rem;
    color: var(--bs-gray-700);
    line-height: 1.7;
}

/* Enhanced Blockquote */
.article-body blockquote {
    border-left: 4px solid var(--bs-primary);
    margin: 2rem 0;
    padding: 1.5rem 2rem;
    background: #f1f3f5;
    border-radius: 0.5rem;
    font-style: italic;
}

.article-body blockquote p {
    margin-bottom: 0.5rem;
    color: var(--bs-gray-700);
}

.blockquote-footer {
    color: var(--bs-gray-600);
    font-size: 0.9rem;
}

/* List Styling */
.article-body ul {
    list-style: none;
    padding-left: 3rem;
    margin: 1.5rem 0;
}

.article-body li {
    position: relative;
    margin-bottom: 0.75rem;
    line-height: 1.6;
    color: #2d3436;
}

.article-body li::before {
    content: "•";
    position: absolute;
    left: -1.5rem;
    color: #2193b0;
    font-size: 1.2em;
}

/* Nested Lists */
.article-body ul ul {
    margin: 0.75rem 0;
}

/* Tag Styling */
.article-tags .badge {
    padding: 0.5rem 1rem;
    margin: 0 0.3rem;
    font-weight: 500;
    font-size: 0.9rem;
}

/* Calculator Section */
.calculator-section {
    margin-top: 6rem;
    padding-top: 2rem;
    position: relative;
}

.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 3rem;
    gap: 1.5rem;
}

.section-divider .bi {
    font-size: 1.5rem;
    color: var(--bg-dark);
    opacity: 0.5;
}

.divider-line {
    height: 1px;
    width: 100px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 0, 0, 0.1) 50%,
        transparent
    );
}

.calculator-cta {
    padding: 0 1rem;
}

.calculator-cta h3 {
    font-size: 1.75rem;
    font-weight: 500;
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--bg-dark);
}

.calculator-cta .card {
    background: #ffffff;
    border: none;
    border-radius: 1rem;
    transition: all 0.3s ease;
    padding: 0.5rem;
}

.calculator-cta .card-body {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.calculator-cta .bi {
    font-size: 2rem;
    color: #0d6efd;
    margin-bottom: 1.25rem;
    opacity: 0.9;
}

.calculator-cta .card-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: 500;
    color: var(--bg-dark);
}

.calculator-cta .card-text {
    color: #64748b;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 280px;
}

.btn-calculator {
    background: #f8fafc;
    color: #0d6efd;
    border: 1px solid #e2e8f0;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    border-radius: 0.75rem;
    transition: all 0.2s ease;
    margin-top: auto;
}

.btn-calculator:hover {
    background: #0d6efd;
    color: #ffffff;
    border-color: #0d6efd;
    transform: translateY(-2px);
}

.btn-calculator-secondary {
    color: #64748b;
}

.btn-calculator-secondary:hover {
    background: #64748b;
    border-color: #64748b;
}

/* Dark Mode Updates */
@media (prefers-color-scheme: dark) {
    .section-divider .bi {
        color: var(--bg-light);
        opacity: 0.3;
    }

    .divider-line {
        background: linear-gradient(
            90deg,
            transparent,
            rgba(255, 255, 255, 0.1) 50%,
            transparent
        );
    }

    .calculator-cta h3 {
        color: var(--bg-light);
    }

    .calculator-cta .card {
        background: #1e293b;
    }

    .calculator-cta .card-title {
        color: #f1f5f9;
    }

    .calculator-cta .card-text {
        color: #94a3b8;
    }

    .btn-calculator {
        background: #334155;
        color: #60a5fa;
        border-color: #475569;
    }

    .btn-calculator:hover {
        background: #60a5fa;
        color: #0f172a;
        border-color: #60a5fa;
    }

    .btn-calculator-secondary {
        color: #94a3b8;
    }

    .btn-calculator-secondary:hover {
        background: #94a3b8;
        color: #0f172a;
        border-color: #94a3b8;
    }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .calculator-section {
        margin-top: 4rem;
        padding-top: 1.5rem;
    }

    .section-divider {
        margin-bottom: 2rem;
    }

    .calculator-cta h3 {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }

    .calculator-cta .card-body {
        padding: 1.5rem;
    }
}

/* Card Enhancements */
.card {
    border: none;
    border-radius: 1rem;
    overflow: hidden;
}

.hover-shadow {
    transition: all 0.3s ease;
}

.hover-shadow:hover {
    transform: translateY(-5px);
    box-shadow: 0 1rem 2rem rgba(0,0,0,0.1) !important;
}

/* Dark Mode Compatibility */
@media (prefers-color-scheme: dark) {
    body {
        background: linear-gradient(135deg, var(--bg-dark), var(--bg-dark));
    }

    .article-content {
        background-color: rgba(36, 36, 36, 0.95);
        color: #e9ecef;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    }

    .article-body h2, .article-body h3 {
        color: #f8f9fa;
    }

    .article-body .lead {
        color: #dee2e6;
    }

    .article-body blockquote {
        background: #2d3436;
    }
}