:root {
    --primary: #059EFF;
    --primary-dark: #0d6efd;
    --secondary: #DEF3FF;
    --text-dark: #000000;
    --text-body: #4a4a4a;
    --text-muted: #6b7280;
    --bg-page: #e8f2fb;
    --bg-white: #ffffff;
    --border-color: #E5E9F0;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 24px rgba(5, 158, 255, 0.12);
    --radius-card: 14px;
    --radius-sm: 8px;
}

* {
    box-sizing: border-box;
}

.blog-index-page {
    background-color: var(--bg-page);
    min-height: 100vh;
}

/* ─── Container ─────────────────────────────── */
.container-1200 {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ─── Hero Banner ────────────────────────────── */
.bi-header-banner {
    background-image: url('/img/blog feature image.webp');
    background-size: cover;
    background-position: center;
    padding: 100px 0 90px;
    text-align: center;
    position: relative;
}

.bi-header-banner::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 60, 120, 0.35);
}

.bi-header-banner .container-1200 {
    position: relative;
    z-index: 1;
}

.bi-page-title {
    margin: 0;
    font-size: 42px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.5px;
}

/* ─── Sections ───────────────────────────────── */
.bi-section {
    padding: 60px 0;
}

.bi-categories-section {
    padding-top: 10px;
    padding-bottom: 70px;
}

.bi-section-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--text-dark);
    text-align: center;
    margin: 0 0 40px;
    letter-spacing: -0.3px;
}

.bi-section-title span {
    color: var(--primary-dark);
}

/* ─── Featured Blog Grid (3-col) ─────────────── */
.bi-featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* ─── Blog Card ──────────────────────────────── */
.bi-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.bi-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--primary-dark);
}

.bi-card-img-wrap {
    display: block;
    height: 190px;
    overflow: hidden;
    position: relative;
    border-radius: 10px;
    margin: 10px 10px 0 10px;
}

.bi-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease;
    display: block;
}

.bi-card:hover .bi-card-img-wrap img {
    transform: scale(1.05);
}

.bi-card-placeholder {
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary), #f0f8ff);
}

.bi-card-body {
    padding: 16px 18px 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.bi-card-title {
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 8px;
    line-height: 1.45;
}

.bi-card-title a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.25s;
}

.bi-card-title a:hover {
    color: var(--primary-dark);
}

.bi-card-excerpt {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.6;
    margin: 0 0 14px;
    flex-grow: 1;
}

.bi-read-more {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-dark);
    text-decoration: none;
    border-bottom: 1.5px solid transparent;
    transition: border-color 0.25s, color 0.25s;
    align-self: flex-start;
}

.bi-read-more:hover {
    border-color: var(--primary-dark);
}

/* ─── Pagination ─────────────────────────────── */
.bi-pagination {
    margin-top: 44px;
    display: flex;
    justify-content: center;
}

/* ─── Category Cards (matches blog card design) ── */
.bi-categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.bi-cat-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.bi-cat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--primary-dark);
}

/* Matches .bi-card-img-wrap exactly */
.bi-cat-img-wrap {
    display: block;
    height: 190px;
    overflow: hidden;
    position: relative;
    border-radius: 10px;
    margin: 10px 10px 0 10px;
}

.bi-cat-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease;
    display: block;
}

.bi-cat-card:hover .bi-cat-img-wrap img {
    transform: scale(1.05);
}

.bi-cat-img-placeholder {
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary), #f0f8ff);
}

/* Matches .bi-card-body exactly */
.bi-cat-body {
    padding: 16px 18px 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.bi-cat-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 8px;
    line-height: 1.45;
    letter-spacing: 0;
}

.bi-cat-desc {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.6;
    margin: 0 0 14px;
    flex-grow: 1;
}

.bi-cat-link {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-dark);
    text-decoration: none;
    border-bottom: 1.5px solid transparent;
    transition: border-color 0.25s, color 0.25s;
    align-self: flex-start;
}

.bi-cat-card:hover .bi-cat-link {
    border-color: var(--primary-dark);
}

/* ─── Empty State ────────────────────────────── */
.bi-empty {
    color: var(--text-muted);
    font-size: 15px;
    padding: 20px 0;
    grid-column: 1 / -1;
    text-align: center;
}

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

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

@media (max-width: 640px) {
    .bi-page-title {
        font-size: 30px;
    }

    .bi-header-banner {
        padding: 70px 0 60px;
    }

    .bi-section-title {
        font-size: 22px;
    }

    .bi-featured-grid {
        grid-template-columns: 1fr;
    }

    .bi-categories-grid {
        grid-template-columns: 1fr;
    }

    .bi-section {
        padding: 40px 0;
    }
}

/* ─── Horizontal Blog Cards (category index) ── */
.bi-hlist {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.bi-hcard {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    overflow: hidden;
    display: flex;
    flex-direction: row;
    gap: 0;
    transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.bi-hcard:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--primary-dark);
}

.bi-hcard-img {
    flex-shrink: 0;
    width: 170px;
    height: 170px;
    display: block;
    overflow: hidden;
    border-radius: 10px;
    margin: 12px 0 12px 12px;
}

.bi-hcard-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.5s ease;
}

.bi-hcard:hover .bi-hcard-img img {
    transform: scale(1.05);
}

.bi-hcard-body {
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.bi-hcard-title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 10px;
    line-height: 1.4;
}

.bi-hcard-title a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.25s;
}

.bi-hcard-title a:hover {
    color: var(--primary-dark);
}

.bi-hcard-excerpt {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.65;
    margin: 0 0 14px;
    flex-grow: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .bi-hlist {
        grid-template-columns: 1fr;
    }

    .bi-hcard {
        flex-direction: column;
    }

    .bi-hcard-img {
        width: auto;
        height: 200px;
        margin: 10px 10px 0 10px;
    }
}