/* ===== Blog Index ===== */
.blog-index {
    padding-top: 5rem;
    min-height: 100vh;
    background: var(--color-white);
}

.blog-index__hero {
    text-align: center;
    padding: 3rem 0 2rem;
}

.blog-index__hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: 0.75rem;
}

.blog-index__hero p {
    font-size: 1.125rem;
    color: var(--color-gray-500);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== Featured Post (first post) ===== */
.blog-featured {
    margin-bottom: 3rem;
}

.blog-featured__card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.blog-featured__card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.1);
}

.blog-featured__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.blog-featured__meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.blog-featured__label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    background: var(--color-indigo-50);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
}

.blog-featured__title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-gray-900);
    line-height: 1.3;
    margin-bottom: 1rem;
}

.blog-featured__excerpt {
    font-size: 1rem;
    color: var(--color-gray-500);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.blog-featured__footer {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

.blog-featured__read {
    font-weight: 600;
    color: var(--color-primary);
}

.blog-featured__visual {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-indigo-50), #ede9fe);
    border-radius: var(--radius-md);
    min-height: 240px;
    font-size: 4rem;
    overflow: hidden;
}

.blog-featured__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 240px;
}

/* ===== Post Grid ===== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.blog-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.08);
    transform: translateY(-2px);
}

.blog-card__visual {
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    position: relative;
    overflow: hidden;
}

.blog-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-card__visual--blue {
    background: linear-gradient(135deg, #eef2ff, #e0e7ff);
}

.blog-card__visual--purple {
    background: linear-gradient(135deg, #f5f3ff, #ede9fe);
}

.blog-card__visual--green {
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
}

.blog-card__body {
    padding: 1.25rem 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card__badges {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.blog-badge {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
}

.blog-badge--blue {
    color: #3730a3;
    background: #e0e7ff;
}

.blog-badge--purple {
    color: #6d28d9;
    background: #ede9fe;
}

.blog-badge--green {
    color: #065f46;
    background: #d1fae5;
}

.blog-card__title {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1.4;
    margin-bottom: 0.5rem;
}

.blog-card__excerpt {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    line-height: 1.65;
    flex: 1;
    margin-bottom: 1rem;
    /* Clamp to 3 lines */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8125rem;
    color: var(--color-gray-400);
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-gray-100);
}

.blog-card__read {
    font-weight: 600;
    color: var(--color-primary);
}


/* ===== Blog Post ===== */
.blog-post {
    padding-top: 5rem;
    min-height: 100vh;
    background: var(--color-white);
}

.blog-post__header {
    text-align: center;
    padding: 3rem 0 2rem;
    max-width: 720px;
    margin: 0 auto;
}

.blog-post__badges {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.blog-post__title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-gray-900);
    line-height: 1.2;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.blog-post__meta {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    font-size: 0.9375rem;
    color: var(--color-gray-400);
}

.blog-post__meta-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.blog-post__divider {
    width: 60px;
    height: 3px;
    background: var(--color-primary);
    border: none;
    border-radius: 2px;
    margin: 2rem auto;
}

/* Hero image */
.blog-post__hero {
    max-width: 720px;
    margin: 0 auto 3.5rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.blog-post__hero-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
}

/* Article body */
.blog-post__body {
    max-width: 720px;
    margin: 0 auto;
    padding-bottom: 3rem;
}

.blog-post__body h2 {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.blog-post__body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.blog-post__body h4 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.blog-post__body p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-gray-600);
    margin-bottom: 1.25rem;
}

.blog-post__body ul,
.blog-post__body ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

.blog-post__body li {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--color-gray-600);
    margin-bottom: 0.375rem;
}

.blog-post__body a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s ease;
}

.blog-post__body a:hover {
    border-bottom-color: var(--color-primary);
}

.blog-post__body code {
    font-family: "JetBrains Mono", "Fira Code", monospace;
    font-size: 0.875em;
    background: var(--color-gray-100);
    color: var(--color-gray-800);
    padding: 0.15em 0.4em;
    border-radius: var(--radius-sm);
}

.blog-post__body img {
    max-width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
    margin: 1.5rem 0;
}

.blog-post__body blockquote {
    border-left: 3px solid var(--color-primary);
    padding: 0.75rem 1.25rem;
    margin: 1.5rem 0;
    background: var(--color-gray-50);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.blog-post__body blockquote p {
    color: var(--color-gray-600);
    margin-bottom: 0;
}

.blog-post__body strong {
    color: var(--color-gray-800);
    font-weight: 600;
}

.blog-post__body hr {
    border: none;
    border-top: 1px solid var(--color-gray-200);
    margin: 2rem 0;
}

/* Author card */
.blog-post__author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    margin: 2.5rem 0;
}

.blog-post__author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.blog-post__author-info {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.blog-post__author-name {
    font-weight: 700;
    color: var(--color-gray-900);
    display: block;
    margin-bottom: 0.125rem;
}

/* Prev / Next pager */
.blog-pager {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    max-width: 720px;
    margin: 0 auto 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-gray-200);
}

.blog-pager__link {
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.blog-pager__link:hover {
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.08);
}

.blog-pager__link--next {
    text-align: right;
}

.blog-pager__label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-400);
    margin-bottom: 0.375rem;
}

.blog-pager__title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* Back to blog link */
.blog-post__back {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-400);
    text-decoration: none;
    margin-bottom: 1rem;
    transition: color 0.15s ease;
}

.blog-post__back:hover {
    color: var(--color-primary);
}


/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .blog-index__hero h1 {
        font-size: 2rem;
    }

    .blog-featured__card {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .blog-featured__visual {
        min-height: 160px;
    }

    .blog-featured__title {
        font-size: 1.375rem;
    }

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

    .blog-post__title {
        font-size: 1.875rem;
    }

    .blog-post__header,
    .blog-post__body {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .blog-pager {
        grid-template-columns: 1fr;
        padding-left: 1rem;
        padding-right: 1rem;
    }
}