/* Blog listing page */
.blog-hero {
    padding: 80px 0 40px 0;
    text-align: center;
}
.blog-hero h1 {
    font-size: 50px;
    font-weight: 800;
    color: #0a2540;
}
.blog-hero p {
    font-size: 18px;
    max-width: 600px;
    margin: 16px auto 0;
    color: #6C6C6C;
}

.blog-list {
    padding: 40px 0 120px 0;
}
.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.blog-card {
    background: #fff;
    border-radius: 20px;
    padding: 36px 32px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.blog-card:hover {
    box-shadow: 0 4px 20px rgba(99, 91, 255, 0.12);
    transform: translateY(-2px);
}
.blog-card .blog-date {
    font-size: 14px;
    color: #635BFF;
    font-weight: 600;
    margin-bottom: 12px;
}
.blog-card h2 {
    font-size: 24px;
    font-weight: 700;
    color: #0a2540;
    margin-bottom: 12px;
    line-height: 1.3;
}
.blog-card .blog-excerpt {
    font-size: 16px;
    color: #6C6C6C;
    line-height: 1.5;
    flex-grow: 1;
}
.blog-card .blog-read-more {
    font-size: 16px;
    font-weight: 600;
    color: #635BFF;
    margin-top: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Blog post page */
.blog-post {
    padding: 60px 0 120px 0;
}
.blog-post-inner {
    max-width: 760px;
    margin: 0 auto;
}
.blog-post-header {
    margin-bottom: 48px;
}
.blog-post-header .blog-date {
    font-size: 14px;
    color: #635BFF;
    font-weight: 600;
    margin-bottom: 16px;
}
.blog-post-header h1 {
    font-size: 42px;
    font-weight: 800;
    color: #0a2540;
    line-height: 1.2;
    margin-bottom: 16px;
}
.blog-post-header .blog-subtitle {
    font-size: 20px;
    color: #6C6C6C;
    line-height: 1.5;
    font-style: italic;
}

/* Blog post content typography */
.blog-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: #0a2540;
    margin-top: 48px;
    margin-bottom: 20px;
}
.blog-content h3 {
    font-size: 22px;
    font-weight: 700;
    color: #0a2540;
    margin-top: 36px;
    margin-bottom: 16px;
}
.blog-content p {
    font-size: 18px;
    line-height: 1.7;
    color: #333;
    margin-bottom: 20px;
}
.blog-content ul,
.blog-content ol {
    font-size: 18px;
    line-height: 1.7;
    color: #333;
    margin-bottom: 20px;
    padding-left: 24px;
}
.blog-content li {
    margin-bottom: 8px;
}
.blog-content strong {
    color: #0a2540;
}
.blog-content code {
    background: #f1f3ff;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 16px;
    color: #635BFF;
}
.blog-content pre {
    background: #0a2540;
    color: #e6e6e6;
    padding: 24px;
    border-radius: 12px;
    overflow-x: auto;
    margin-bottom: 24px;
}
.blog-content pre code {
    background: none;
    color: inherit;
    padding: 0;
    font-size: 15px;
}
.blog-content blockquote {
    border-left: 3px solid #635BFF;
    padding-left: 20px;
    margin: 24px 0;
    color: #6C6C6C;
    font-style: italic;
}
.blog-content hr {
    border: none;
    border-top: 1px solid #e0e0e0;
    margin: 48px 0;
}
.blog-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
    font-size: 16px;
}
.blog-content th {
    background: #f1f3ff;
    padding: 12px 16px;
    text-align: left;
    font-weight: 700;
    color: #0a2540;
    border-bottom: 2px solid #635BFF;
}
.blog-content td {
    padding: 12px 16px;
    border-bottom: 1px solid #e0e0e0;
    color: #333;
}

/* Blog post footer */
.blog-post-footer {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
    font-size: 16px;
    color: #6C6C6C;
    font-style: italic;
}

.blog-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #635BFF;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    margin-bottom: 40px;
}
.blog-back:hover {
    color: #0a2540;
}

/* Diagrams */
.diagram {
    margin: 48px 0;
    text-align: center;
    overflow-x: auto;
}
.diagram svg {
    max-width: 100%;
    height: auto;
    font-family: 'Inter', sans-serif;
}
.diagram-caption {
    font-size: 14px;
    color: #6C6C6C;
    margin-top: 12px;
    font-style: italic;
}

/* Blog FAQ (in posts) */
.blog-faq {
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid #e0e0e0;
}
.blog-faq h2 {
    font-size: 28px;
    font-weight: 700;
    color: #0a2540;
    margin-bottom: 24px;
}
.blog-faq .faq-item {
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}
.blog-faq .faq-item[open] {
    box-shadow: 0 2px 12px rgba(99, 91, 255, 0.1);
    border-color: #635BFF;
}
.blog-faq .faq-question {
    font-size: 18px;
    font-weight: 600;
    color: #0a2540;
    padding: 20px 24px;
    cursor: pointer;
    list-style: none;
}
.blog-faq .faq-question::-webkit-details-marker {
    display: none;
}
.blog-faq .faq-question::before {
    content: "+";
    display: inline-block;
    width: 24px;
    font-size: 20px;
    font-weight: 700;
    color: #635BFF;
    margin-right: 12px;
}
.blog-faq .faq-item[open] .faq-question::before {
    content: "\2212";
}
.blog-faq .faq-answer {
    padding: 0 24px 20px 60px;
}
.blog-faq .faq-answer p {
    font-size: 16px;
    line-height: 1.7;
    color: #333;
}

/* Responsive */
@media (max-width: 767.98px) {
    .blog-hero { padding: 60px 0 20px 0; }
    .blog-hero h1 { font-size: 30px; }
    .blog-hero p { font-size: 14px; }
    .blog-grid { grid-template-columns: 1fr; gap: 20px; }
    .blog-card { padding: 24px 20px; }
    .blog-card h2 { font-size: 20px; }
    .blog-card .blog-excerpt { font-size: 14px; }
    .blog-post-header h1 { font-size: 28px; }
    .blog-post-header .blog-subtitle { font-size: 16px; }
    .blog-content h2 { font-size: 22px; }
    .blog-content h3 { font-size: 18px; }
    .blog-content p,
    .blog-content ul,
    .blog-content ol { font-size: 16px; }
}

@media (min-width: 768px) and (max-width: 991.98px) {
    .blog-hero h1 { font-size: 38px; }
    .blog-post-header h1 { font-size: 34px; }
}