.blog-filter-bar {
    max-width: 72rem;
    margin: 0 auto 2.5rem;
    padding: 0 1.5rem;
}

.blog-category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
    align-items: center;
}

.blog-category-tab {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 0.875rem;
    border: 1px solid #d8e2ef;
    border-radius: 12px;
    background: #fff;
    color: #4b5563;
    font-size: 0.875rem;
    font-weight: 650;
    letter-spacing: 0;
    transition: border-color 180ms ease, background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.blog-category-tab:hover {
    border-color: #8dbcf2;
    color: #0052cc;
}

.blog-category-tab:focus-visible {
    outline: 3px solid rgba(0, 122, 255, 0.24);
    outline-offset: 2px;
}

.blog-category-tab.is-active {
    border-color: #0066cc;
    background: #0066cc;
    color: #fff;
    box-shadow: 0 8px 18px rgba(0, 82, 204, 0.18);
}

.blog-category-count {
    min-width: 1.5rem;
    height: 1.5rem;
    padding: 0 0.4rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: #edf4fc;
    color: #0052cc;
    font-size: 0.75rem;
    font-weight: 700;
}

.blog-category-tab.is-active .blog-category-count {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.blog-filter-summary {
    margin-top: 1rem;
    color: #6b7280;
    font-size: 0.875rem;
}

.blog-index-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    align-items: stretch;
}

.blog-index-grid .blog-card {
    height: 100%;
    overflow: hidden;
    border: 1px solid #e5eaf1;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 8px 28px rgba(30, 64, 175, 0.07);
    transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.blog-index-grid .blog-card:hover {
    transform: translateY(-4px);
    border-color: #b9d5f5;
    box-shadow: 0 16px 36px rgba(30, 64, 175, 0.12);
}

.blog-card-link {
    height: 100%;
    display: flex;
    flex-direction: column;
    color: inherit;
    text-decoration: none;
}

.blog-card-media {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #eef4f9;
}

.blog-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 320ms ease;
}

.blog-card:hover .blog-card-media img {
    transform: scale(1.025);
}

.blog-card-category {
    position: absolute;
    left: 0.875rem;
    bottom: 0.875rem;
    padding: 0.45rem 0.7rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    color: #0052cc;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12);
    font-size: 0.75rem;
    font-weight: 750;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.blog-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
}

.blog-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    color: #6b7280;
    font-size: 0.78rem;
}

.blog-card-body h2 {
    margin: 0.75rem 0 0.6rem;
    color: #1d1d1f;
    font-size: 1.2rem;
    line-height: 1.35;
    font-weight: 750;
    letter-spacing: 0;
}

.blog-card-body p {
    margin: 0;
    color: #5f6672;
    font-size: 0.93rem;
    line-height: 1.65;
}

.blog-card-action {
    margin-top: auto;
    padding-top: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: #0066cc;
    font-size: 0.875rem;
    font-weight: 700;
}

.blog-card-action i {
    transition: transform 180ms ease;
}

.blog-card:hover .blog-card-action i {
    transform: translateX(3px);
}

.blog-empty-state {
    grid-column: 1 / -1;
    padding: 3rem 1.5rem;
    border: 1px dashed #cbd5e1;
    border-radius: 12px;
    color: #64748b;
    text-align: center;
}

.article-page {
    background: #fff;
    color: #1d1d1f;
}

.article-hero {
    padding: 2.75rem 1.5rem 3.25rem;
    background:
        radial-gradient(circle at 12% 20%, rgba(255, 209, 0, 0.12), transparent 28%),
        radial-gradient(circle at 88% 14%, rgba(0, 122, 255, 0.12), transparent 30%),
        linear-gradient(180deg, #f6faff 0%, #fff 100%);
}

.article-hero-inner {
    width: min(100%, 52rem);
    margin: 0 auto;
}

.article-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    color: #0052cc;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
}

.article-back-link:hover {
    text-decoration: underline;
}

.article-category {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid #bfd8f5;
    border-radius: 999px;
    background: #fff;
    color: #0052cc;
    font-size: 0.78rem;
    font-weight: 750;
}

.article-hero h1 {
    max-width: 48rem;
    margin: 1.25rem 0 1rem;
    color: #1d1d1f;
    font-size: clamp(2.25rem, 5vw, 4rem);
    line-height: 1.08;
    font-weight: 800;
    letter-spacing: 0;
}

.article-deck {
    max-width: 44rem;
    margin: 0;
    color: #596273;
    font-size: 1.15rem;
    line-height: 1.65;
}

.article-meta {
    margin-top: 1.35rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
    color: #6b7280;
    font-size: 0.88rem;
}

.article-content {
    width: min(100%, 52rem);
    margin: 0 auto;
    padding: 2.5rem 1.5rem 7rem;
}

.article-image {
    width: 100%;
    margin: 0 0 2.75rem;
    overflow: hidden;
    border-radius: 18px;
    background: #eef4f9;
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.1);
}

.article-image img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    display: block;
    object-fit: cover;
}

.article-body {
    width: min(100%, 43rem);
    margin: 0 auto;
}

.article-body p {
    margin: 0 0 1.55rem;
    color: #30343b;
    font-size: 1.06rem;
    line-height: 1.85;
}

.article-body h2 {
    margin: 3.25rem 0 1rem;
    color: #1d1d1f;
    font-size: 1.65rem;
    line-height: 1.3;
    font-weight: 760;
    letter-spacing: 0;
}

.article-body .article-image {
    width: calc(100% + 6rem);
    margin-left: -3rem;
    margin-top: 2.5rem;
    margin-bottom: 2.75rem;
}

.article-note {
    margin: 2rem 0;
    padding: 1.1rem 1.2rem;
    border-left: 4px solid #ffcc00;
    border-radius: 0 10px 10px 0;
    background: #fff9df;
    color: #4b5563;
    font-size: 0.95rem;
    line-height: 1.7;
}

.article-cta {
    margin-top: 4rem;
    padding: 2.25rem;
    border-radius: 18px;
    background: #0052cc;
    color: #fff;
    text-align: center;
}

.article-cta h2 {
    margin: 0 0 0.75rem;
    color: #fff;
    font-size: 1.6rem;
}

.article-cta p {
    margin: 0 auto 1.4rem;
    color: rgba(255, 255, 255, 0.9);
}

.article-cta-button {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.15rem;
    border-radius: 999px;
    background: #ffcc00;
    color: #172033;
    font-weight: 800;
    text-decoration: none;
    transition: transform 180ms ease, background 180ms ease;
}

.article-cta-button:hover {
    transform: translateY(-2px);
    background: #ffd940;
}

.article-related {
    margin-top: 3.5rem;
    padding-top: 2rem;
    border-top: 1px solid #dfe6ef;
}

.article-related h2 {
    margin: 0 0 1rem;
    font-size: 1.3rem;
}

.article-related-links {
    display: grid;
    gap: 0.75rem;
}

.article-related-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 0;
    color: #0052cc;
    font-weight: 700;
    text-decoration: none;
}

.article-related-links a:hover span {
    text-decoration: underline;
}

@media (max-width: 960px) {
    .blog-index-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .blog-filter-bar {
        margin-bottom: 1.75rem;
    }

    .blog-category-tabs {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .blog-category-tab:first-child {
        grid-column: 1 / -1;
    }

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

    .article-hero {
        padding-top: 3.5rem;
    }

    .article-hero h1 {
        font-size: 2.35rem;
    }

    .article-body .article-image {
        width: calc(100% + 3rem);
        margin-left: -1.5rem;
        border-radius: 0;
    }

    .article-cta {
        padding: 1.75rem 1.25rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .blog-category-tab,
    .blog-card,
    .blog-card-media img,
    .blog-card-action i,
    .article-cta-button {
        transition: none;
    }
}