/* ==========================================================================
   ERINITE SOLUTIONS — BLOG PAGE STYLESHEET
   Consistent with master typography & design system
   ========================================================================== */

:root {
    --blog-primary-blue: #0066FF;
    --blog-primary-hover: #0052CC;
    --blog-dark-slate: #0F172A;
    --blog-heading: #1E293B;
    --blog-text-muted: #64748B;
    --blog-border-color: #E2E8F0;
    --blog-bg-light: #F8FAFC;
    --blog-card-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
    --blog-card-hover: 0 20px 40px rgba(0, 102, 255, 0.12);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.blog-hero {
    position: relative;
    padding: 130px 0 50px 0;
    background: #FFFFFF;
    overflow: hidden;
}

.blog-hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.blog-hero-glow-1 {
    position: absolute;
    top: -120px;
    right: -80px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.12) 0%, rgba(0, 102, 255, 0) 70%);
    border-radius: 50%;
}

.blog-hero-glow-2 {
    position: absolute;
    bottom: -150px;
    left: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 204, 255, 0.1) 0%, rgba(0, 204, 255, 0) 70%);
    border-radius: 50%;
}

.blog-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.blog-hero-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 40px auto;
}

.blog-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(0, 102, 255, 0.08);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.8px;
    text-transform: uppercase;
    color: var(--blog-primary-blue);
    margin-bottom: 20px;
}

.blog-hero-title {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: clamp(34px, 5vw, 50px);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.025em;
    color: var(--blog-dark-slate);
    margin: 0 0 18px 0;
}

.blog-hero-title .text-blue {
    color: var(--blog-primary-blue);
}

.blog-hero-desc {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.65;
    color: var(--blog-text-muted);
    margin: 0 auto;
}

/* ==========================================================================
   CATEGORY FILTER TABS
   ========================================================================== */
.blog-filter-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 45px;
}

.blog-filter-btn {
    padding: 9px 20px;
    border-radius: 100px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--blog-text-muted);
    background: #FFFFFF;
    border: 1px solid var(--blog-border-color);
    cursor: pointer;
    transition: all 0.25s ease;
    user-select: none;
}

.blog-filter-btn:hover {
    color: var(--blog-primary-blue);
    border-color: rgba(0, 102, 255, 0.4);
    background: rgba(0, 102, 255, 0.04);
}

.blog-filter-btn.active {
    color: #FFFFFF;
    background: var(--blog-primary-blue);
    border-color: var(--blog-primary-blue);
    box-shadow: 0 4px 14px rgba(0, 102, 255, 0.35);
}

/* ==========================================================================
   FEATURED ARTICLE BANNER
   ========================================================================== */
.blog-featured-wrap {
    margin-bottom: 55px;
}

.blog-featured-card {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    background: #FFFFFF;
    border-radius: 20px;
    border: 1px solid var(--blog-border-color);
    box-shadow: var(--blog-card-shadow);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all 0.35s ease;
}

.blog-featured-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--blog-card-hover);
    border-color: rgba(0, 102, 255, 0.3);
}

.blog-featured-img-holder {
    position: relative;
    height: 360px;
    overflow: hidden;
    background: #F1F5F9;
}

.blog-featured-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-featured-card:hover .blog-featured-img {
    transform: scale(1.04);
}

.blog-featured-badge {
    position: absolute;
    top: 18px;
    left: 18px;
    padding: 6px 14px;
    background: #FFFFFF;
    color: var(--blog-primary-blue);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 100px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.blog-featured-content {
    padding: 40px 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.blog-meta-row {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--blog-text-muted);
    margin-bottom: 12px;
}

.blog-meta-dot {
    width: 4px;
    height: 4px;
    background: #CBD5E1;
    border-radius: 50%;
}

.blog-featured-title {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: 24px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--blog-dark-slate);
    margin: 0 0 14px 0;
    transition: color 0.25s ease;
}

.blog-featured-card:hover .blog-featured-title {
    color: var(--blog-primary-blue);
}

.blog-featured-desc {
    font-size: 15px;
    line-height: 1.6;
    color: var(--blog-text-muted);
    margin: 0 0 22px 0;
}

.blog-read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--blog-primary-blue);
    transition: gap 0.25s ease;
}

.blog-featured-card:hover .blog-read-more-btn {
    gap: 12px;
}

/* ==========================================================================
   BLOG GRID (6 ARTICLES)
   ========================================================================== */
.blog-grid-section {
    padding-bottom: 80px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.blog-card {
    background: #FFFFFF;
    border-radius: 16px;
    border: 1px solid var(--blog-border-color);
    box-shadow: var(--blog-card-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--blog-card-hover);
    border-color: rgba(0, 102, 255, 0.3);
}

.blog-card-thumb-wrap {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: #F1F5F9;
}

.blog-card-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-card:hover .blog-card-thumb {
    transform: scale(1.06);
}

.blog-card-category {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 5px 12px;
    background: #FFFFFF;
    color: var(--blog-primary-blue);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    border-radius: 100px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.blog-card-body {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card-title {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.35;
    color: var(--blog-dark-slate);
    margin: 0 0 10px 0;
    transition: color 0.2s ease;
}

.blog-card:hover .blog-card-title {
    color: var(--blog-primary-blue);
}

.blog-card-desc {
    font-size: 14px;
    line-height: 1.6;
    color: var(--blog-text-muted);
    margin: 0 0 18px 0;
    flex: 1;
}

.blog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid #F1F5F9;
    font-size: 12px;
    color: var(--blog-text-muted);
}

.blog-author-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}

.blog-author-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--blog-primary-blue);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
}

.blog-card-arrow {
    width: 16px;
    height: 16px;
    color: var(--blog-primary-blue);
    transition: transform 0.25s ease;
}

.blog-card:hover .blog-card-arrow {
    transform: translateX(4px);
}

/* ==========================================================================
   NEWSLETTER CTA SECTION
   ========================================================================== */
.blog-newsletter-section {
    padding: 20px 0 80px 0;
}

.blog-newsletter-banner {
    position: relative;
    background: linear-gradient(135deg, #091E42 0%, #0F172A 100%);
    border-radius: 24px;
    padding: 50px 48px;
    color: #FFFFFF;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(9, 30, 66, 0.2);
}

.blog-newsletter-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.blog-nl-title {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: 30px;
    font-weight: 800;
    line-height: 1.25;
    margin: 0 0 10px 0;
    color: #FFFFFF;
}

.blog-nl-desc {
    font-size: 15px;
    color: #94A3B8;
    margin: 0;
    line-height: 1.6;
}

.blog-nl-form {
    display: flex;
    gap: 12px;
}

.blog-nl-input {
    flex: 1;
    padding: 14px 20px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: #FFFFFF;
    font-size: 14px;
    outline: none;
    transition: all 0.25s ease;
}

.blog-nl-input::placeholder {
    color: #94A3B8;
}

.blog-nl-input:focus {
    background: rgba(255, 255, 255, 0.14);
    border-color: var(--blog-primary-blue);
}

.blog-nl-btn {
    padding: 14px 28px;
    border-radius: 12px;
    background: var(--blog-primary-blue);
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.blog-nl-btn:hover {
    background: var(--blog-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 102, 255, 0.4);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .blog-featured-card {
        grid-template-columns: 1fr;
    }
    .blog-featured-img-holder {
        height: 280px;
    }
    .blog-newsletter-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .blog-hero {
        padding: 110px 0 40px 0;
    }
    .blog-grid {
        grid-template-columns: 1fr;
    }
    .blog-nl-form {
        flex-direction: column;
    }
    .blog-featured-content {
        padding: 28px 24px;
    }
}

/* ==========================================================================
   SINGLE BLOG ARTICLE / CASE STUDY STYLES
   ========================================================================== */

.blog-single-page {
    background: #FAFCFF;
    color: #0F172A;
    font-family: 'Inter', sans-serif;
}

.single-article {
    padding-bottom: 90px;
}

/* Breadcrumbs */
.article-breadcrumbs-wrap {
    padding: 24px 0 16px 0;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    background: #FFFFFF;
}

.article-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #64748B;
    flex-wrap: wrap;
}

.article-breadcrumbs a {
    color: #64748B;
    text-decoration: none;
    transition: color 0.2s ease;
}

.article-breadcrumbs a:hover {
    color: var(--blog-primary-blue);
}

.crumb-sep {
    color: #CBD5E1;
    font-size: 12px;
}

.crumb-current {
    color: #0F172A;
    font-weight: 600;
}

/* Article Header */
.article-header {
    background: #FFFFFF;
    padding: 50px 0 35px 0;
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

.article-header-inner {
    max-width: 860px;
    margin: 0 auto;
}

.article-badge-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.article-category-badge {
    padding: 6px 14px;
    background: rgba(0, 102, 255, 0.08);
    color: var(--blog-primary-blue);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 100px;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.article-read-time, .article-date {
    font-size: 13px;
    color: #64748B;
}

.article-title {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: clamp(32px, 4.2vw, 48px);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.025em;
    color: #0B1F38;
    margin: 0 0 20px 0;
}

.article-lead {
    font-size: clamp(17px, 1.3vw, 20px);
    line-height: 1.6;
    color: #475467;
    margin: 0 0 32px 0;
    font-weight: 400;
}

.article-author-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 20px;
    border-top: 1px solid #F1F5F9;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0066FF, #0045B5);
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.25);
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.author-name {
    font-weight: 700;
    font-size: 14.5px;
    color: #0F172A;
}

.author-role {
    font-size: 12.5px;
    color: #64748B;
}

/* Featured Hero Image */
.article-hero-media {
    padding: 36px 0 20px 0;
}

.article-media-holder {
    max-width: 960px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    background: #FFFFFF;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.article-hero-img {
    width: 100%;
    height: auto;
    max-height: 520px;
    object-fit: cover;
    display: block;
}

.article-media-caption {
    display: block;
    padding: 12px 20px;
    font-size: 12.5px;
    color: #64748B;
    background: #F8FAFC;
    border-top: 1px solid #E2E8F0;
    text-align: center;
    font-style: italic;
}

/* Article Content Layout */
.article-content-layout {
    padding: 24px 0 60px 0;
}

.article-main-body {
    max-width: 820px;
    margin: 0 auto;
    font-size: 16.5px;
    line-height: 1.78;
    color: #334155;
}

.article-main-body h2 {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: clamp(24px, 2.5vw, 32px);
    font-weight: 700;
    color: #0B1F38;
    line-height: 1.25;
    margin: 44px 0 18px 0;
    letter-spacing: -0.015em;
}

.article-main-body p {
    margin: 0 0 22px 0;
}

.article-main-body strong {
    color: #0B1F38;
}

/* Metrics Highlight Bar */
.article-metrics-box {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
    background: #FFFFFF;
    border: 1px solid rgba(0, 102, 255, 0.18);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.06);
    border-radius: 18px;
    padding: 24px 30px;
    margin: 0 0 36px 0;
    text-align: center;
}

.article-metric-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.metric-val {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: clamp(28px, 3vw, 38px);
    font-weight: 800;
    color: var(--blog-primary-blue);
    line-height: 1.1;
}

.metric-lbl {
    font-size: 12.5px;
    font-weight: 600;
    color: #64748B;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-metric-divider {
    width: 1px;
    height: 48px;
    background: #E2E8F0;
}

/* Pullquote */
.article-pullquote {
    margin: 36px 0;
    padding: 26px 32px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05), rgba(0, 212, 255, 0.03));
    border-left: 4px solid var(--blog-primary-blue);
    border-radius: 0 16px 16px 0;
}

.article-pullquote p {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: 19px;
    font-weight: 600;
    line-height: 1.5;
    color: #0B1F38;
    margin: 0 0 10px 0;
    font-style: italic;
}

.article-pullquote cite {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--blog-primary-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-style: normal;
}

/* Checklist */
.article-check-list {
    list-style: none;
    padding: 0;
    margin: 0 0 28px 0;
}

.article-check-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 12px;
    font-size: 15.5px;
    line-height: 1.65;
}

.article-check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 2px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(0, 102, 255, 0.12);
    color: var(--blog-primary-blue);
    font-size: 12px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Deliverables Grid */
.article-deliverables-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin: 28px 0 36px 0;
}

.deliv-item {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 14px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.03);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.deliv-item:hover {
    transform: translateY(-2px);
    border-color: rgba(0, 102, 255, 0.3);
}

.deliv-item h4 {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: #0B1F38;
    margin: 0 0 8px 0;
}

.deliv-item p {
    font-size: 13.5px;
    line-height: 1.55;
    color: #64748B;
    margin: 0;
}

/* Actionable Checklist Card */
.article-action-card {
    background: #F1F5F9;
    border-radius: 18px;
    padding: 30px 32px;
    margin: 40px 0;
    border-left: 4px solid #0F172A;
}

.article-action-card h3 {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: #0F172A;
    margin: 0 0 16px 0;
}

.article-action-card ol {
    margin: 0;
    padding-left: 20px;
}

.article-action-card li {
    margin-bottom: 10px;
    font-size: 15px;
    line-height: 1.6;
}

/* Author Card */
.article-author-card {
    display: flex;
    gap: 20px;
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 18px;
    padding: 28px;
    margin: 50px 0 35px 0;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.author-card-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0066FF, #0052CC);
    color: #FFFFFF;
    font-size: 18px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.author-card-content h4 {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: 17px;
    font-weight: 700;
    color: #0B1F38;
    margin: 0 0 8px 0;
}

.author-card-content p {
    font-size: 14px;
    line-height: 1.6;
    color: #64748B;
    margin: 0 0 12px 0;
}

.author-card-link {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--blog-primary-blue);
    text-decoration: none;
}

.author-card-link:hover {
    text-decoration: underline;
}

/* Bottom CTA Box */
.article-cta-box {
    background: linear-gradient(135deg, #07182D 0%, #0F2744 100%);
    border-radius: 20px;
    padding: 40px 36px;
    color: #FFFFFF;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    margin: 40px 0;
    box-shadow: 0 16px 40px rgba(7, 24, 45, 0.25);
}

.article-cta-content h3 {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: #FFFFFF;
    margin: 0 0 8px 0;
}

.article-cta-content p {
    font-size: 14.5px;
    color: #94A3B8;
    margin: 0;
    line-height: 1.5;
}

.article-cta-btn {
    padding: 14px 28px;
    background: var(--blog-primary-blue);
    color: #FFFFFF;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.article-cta-btn:hover {
    background: var(--blog-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 102, 255, 0.4);
}

/* Back Link */
.article-back-bar {
    padding-top: 20px;
    text-align: center;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--blog-primary-blue);
    text-decoration: none;
}

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

@media (max-width: 768px) {
    .article-metrics-box {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .article-metric-divider {
        display: none;
    }
    .article-deliverables-grid {
        grid-template-columns: 1fr;
    }
    .article-author-card {
        flex-direction: column;
    }
    .article-cta-box {
        flex-direction: column;
        text-align: center;
    }
}