/* ==========================================================================
   Blog Styles
   Blog listing, article pages, glossary, stats, and calculator components
   ========================================================================== */

/* ==========================================================================
   Blog Grid & Cards
   ========================================================================== */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.blog-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    border-color: var(--gold);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.blog-card-image {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, var(--navy-light) 0%, var(--navy-mid) 100%);
    position: relative;
    overflow: hidden;
}

.blog-card-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(245, 200, 66, 0.08) 0%, transparent 70%);
}

.blog-card-body {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card-category {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gold);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.blog-card-title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.blog-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.blog-card-title a:hover {
    color: var(--gold);
}

.blog-card-excerpt {
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-300);
    margin-bottom: var(--spacing-sm);
    flex: 1;
}

.blog-card-meta {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--gray-500);
    letter-spacing: 0.03em;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: auto;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.blog-card-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ==========================================================================
   Blog Filter Bar
   ========================================================================== */

.blog-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: var(--spacing-md);
}

.blog-filter-btn {
    padding: 5px 14px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: transparent;
    color: var(--gray-300);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 2px;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
    white-space: nowrap;
}

.blog-filter-btn:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.blog-filter-btn.active {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--navy-deep);
    font-weight: 600;
}

/* ==========================================================================
   Blog Table of Contents (Sticky Sidebar)
   ========================================================================== */

.blog-toc {
    position: sticky;
    top: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.blog-toc h4 {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.blog-toc ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.blog-toc li {
    margin-bottom: var(--spacing-xs);
}

.blog-toc a {
    font-size: 14px;
    color: var(--gray-300);
    text-decoration: none;
    transition: color var(--transition-fast);
    display: block;
    padding: 4px 0;
    line-height: 1.4;
}

.blog-toc a:hover,
.blog-toc a.active {
    color: var(--gold);
}

/* ==========================================================================
   Blog Author Block
   ========================================================================== */

.blog-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.blog-author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 22px;
    color: var(--navy-deep);
    font-weight: 700;
}

.blog-author-info h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.blog-author-info p {
    font-size: 14px;
    color: var(--gray-300);
    line-height: 1.5;
}

/* ==========================================================================
   Blog CTA Box (Premium Upsell)
   ========================================================================== */

.blog-cta-box {
    background: linear-gradient(135deg, rgba(245, 200, 66, 0.1) 0%, rgba(245, 200, 66, 0.05) 100%);
    border: 2px solid var(--gold);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.blog-cta-box h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    color: var(--gold);
    margin-bottom: var(--spacing-sm);
}

.blog-cta-box p {
    font-size: 16px;
    color: var(--gray-300);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

/* ==========================================================================
   Blog Share Section
   ========================================================================== */

.blog-share {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin: var(--spacing-xl) 0;
}

.blog-share-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-500);
    font-weight: 600;
}

.blog-share a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    color: var(--gray-300);
    text-decoration: none;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.blog-share a:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* ==========================================================================
   Blog Related Articles
   ========================================================================== */

.blog-related {
    margin-top: var(--spacing-2xl);
}

.blog-related h3 {
    font-family: var(--font-serif);
    font-size: 28px;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.blog-related .blog-grid {
    margin-top: 0;
}

/* ==========================================================================
   Glossary Layout
   ========================================================================== */

.glossary-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.glossary-letter {
    font-family: var(--font-serif);
    font-size: 36px;
    color: var(--gold);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid rgba(245, 200, 66, 0.3);
    margin-bottom: var(--spacing-md);
}

.glossary-terms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.glossary-term {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all var(--transition-fast);
}

.glossary-term:hover {
    border-color: var(--gold);
    transform: translateY(-2px);
}

.glossary-term h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.glossary-term p {
    font-size: 14px;
    color: var(--gray-300);
    line-height: 1.6;
}

/* ==========================================================================
   Stat Card
   ========================================================================== */

.stat-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-fast);
}

.stat-card:hover {
    border-color: var(--gold);
    transform: translateY(-4px);
}

.stat-card .stat-value {
    font-family: var(--font-mono);
    font-size: 42px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-card .stat-description {
    font-size: 15px;
    color: var(--gray-300);
    line-height: 1.5;
}

/* ==========================================================================
   Calculator
   ========================================================================== */

.calculator-container {
    max-width: 700px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
}

.calculator-container h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.calculator-input {
    margin-bottom: var(--spacing-md);
}

.calculator-input label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.calculator-input input {
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-family: var(--font-sans);
    font-size: 16px;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.calculator-input input:focus {
    outline: none;
    border-color: var(--gold);
    background: rgba(255, 255, 255, 0.08);
}

.calculator-input input::placeholder {
    color: var(--gray-500);
}

.calculator-result {
    background: linear-gradient(135deg, rgba(245, 200, 66, 0.1) 0%, rgba(245, 200, 66, 0.05) 100%);
    border: 2px solid var(--gold);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    text-align: center;
}

.calculator-result .result-value {
    font-family: var(--font-mono);
    font-size: 48px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.calculator-result .result-label {
    font-size: 14px;
    color: var(--gray-300);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==========================================================================
   Responsive - Tablet
   ========================================================================== */

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-author {
        flex-direction: column;
        text-align: center;
    }

    .blog-share {
        flex-wrap: wrap;
    }

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

    .glossary-terms {
        grid-template-columns: 1fr;
    }

    .calculator-result .result-value {
        font-size: 36px;
    }
}

/* ==========================================================================
   Responsive - Small Mobile
   ========================================================================== */

@media (max-width: 480px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-related .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-card-image {
        height: 140px;
    }

    .blog-cta-box {
        padding: var(--spacing-md);
    }

    .calculator-container {
        padding: var(--spacing-md);
    }

    .calculator-result .result-value {
        font-size: 32px;
    }

    .stat-card .stat-value {
        font-size: 32px;
    }

    .blog-filter-bar {
        gap: 6px;
    }

    .blog-filter-btn {
        padding: 4px 10px;
        font-size: 10px;
    }
}