:root,
[data-bs-theme="light"] {
    --si-primary: #4f46e5;
    --si-primary-dark: #4338ca;
    --si-primary-light: #eef2ff;
    --si-text-primary: #0f172a;
    --si-text-secondary: #334155;
    --si-text-muted: #64748b;
    --si-border: #eef2f7;
    --si-card-shadow: 0 8px 30px rgba(0, 0, 0, .06);
    --si-card-shadow-hover: 0 20px 50px rgba(79, 70, 229, .12);
    --si-radius: 18px;
    --si-transition: .35s cubic-bezier(.25, .46, .45, .94);
    --si-body-bg: #fafbfc;
    --si-hero-bg: linear-gradient(165deg, #f8faff 0%, #f0f4ff 50%, #eef2ff 100%);
    --si-card-bg: #ffffff;
    --si-section-alt: #f8fafc;
    --si-cta-bg: linear-gradient(135deg, #0f172a 0%, #076BA7 100%);
    --si-code-bg: #f1f5f9;
    --si-blockquote-border: #4f46e5;
    --si-callout-bg: #f0f4ff;
}

[data-bs-theme="dark"] {
    --si-primary: #818cf8;
    --si-primary-dark: #6366f1;
    --si-primary-light: #1e1b4b;
    --si-text-primary: #f1f5f9;
    --si-text-secondary: #cbd5e1;
    --si-text-muted: #d7dde8;
    --si-border: rgba(255, 255, 255, 0.08);
    --si-card-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    --si-card-shadow-hover: 0 20px 50px rgba(0, 0, 0, 0.5);
    --si-body-bg: #0f172a;
    --si-hero-bg: linear-gradient(165deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    --si-card-bg: #1e293b;
    --si-section-alt: #0f172a;
    --si-cta-bg: linear-gradient(135deg, #076BA7 0%, #0f172a 100%);
    --si-code-bg: #1e293b;
    --si-blockquote-border: #818cf8;
    --si-callout-bg: #1e1b4b;
}


body {
    font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--si-text-primary);
    background-color: var(--si-body-bg);
}

.section-padding {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--si-text-primary);
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .7s ease, transform .7s ease;
}

    .reveal.active {
        opacity: 1;
        transform: translateY(0);
    }

.reveal-delay-1 {
    transition-delay: .1s;
}

.reveal-delay-2 {
    transition-delay: .2s;
}

.reveal-delay-3 {
    transition-delay: .3s;
}


.breadcrumb-custom {
    padding: 20px 0 0;
    font-size: 0.9rem;
}

    .breadcrumb-custom .breadcrumb-item a {
        color: var(--si-text-muted);
        text-decoration: none;
        transition: color .3s;
    }

        .breadcrumb-custom .breadcrumb-item a:hover {
            color: var(--si-primary);
        }

    .breadcrumb-custom .breadcrumb-item.active {
        color: var(--si-text-primary);
        font-weight: 500;
    }

    .breadcrumb-custom .breadcrumb-item + .breadcrumb-item::before {
        content: '/';
        color: var(--si-text-muted);
    }


/* Smooth scrolling for a better user experience */
html {
    scroll-behavior: smooth;
}

/* Apply the 100px offset to all content headings targeted by the TOC */
@media (min-width: 992px) {
    #introduction,
    #ai-in-enterprise,
    #architecture-patterns,
    #data-architecture,
    #security-and-privacy,
    #real-world-applications,
    #future-trends,
    #conclusion,
    #cloud-native-principles,
    #scalability,
    #security,
    #observability,
    #case-study,
    #best-practices,
    #threat-landscape,
    #zero-trust,
    #secure-development,
    #identity-access,
    #data-protection,
    #security-operations,
    #what-is-digital-transformation,
    #key-technologies,
    #roadmap,
    #change-management,
    #measuring-success,
    #what-are-enterprise-solutions,
    #key-components,
    #benefits,
    #architecture,
    #challenges,
    #what-is-iot,
    #business-applications,
    #iot-architecture,
    #innovation-journey,
    #emerging-technologies,
    #research-culture,
    #applied-research,
    #future-directions {
        scroll-margin-top: 120px;
    }
}


/* ----- Hero Section ----- */
.blog-hero {
    background: var(--si-hero-bg);
    padding: 60px 0;
    border-bottom: 1px solid var(--si-border);
}

    .blog-hero .hero-image img {
        width: 100%;
        height: auto;
        object-fit: fill;
        transition: transform .4s ease;
    }

        .blog-hero .hero-image img:hover {
            transform: scale(1.02);
        }

/* ----- Article Content Typography ----- */
.article-content {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--si-text-secondary);
}

    .article-content h2 {
        font-size: 2rem;
        font-weight: 700;
        margin-top: 3rem;
        margin-bottom: 1rem;
        color: var(--si-text-primary);
        letter-spacing: -0.02em;
    }

    .article-content h3 {
        font-size: 1.4rem;
        font-weight: 600;
        margin-top: 2rem;
        margin-bottom: 0.75rem;
        color: var(--si-text-primary);
    }

    .article-content p {
        margin-bottom: 1.25rem;
    }

    .article-content ul, .article-content ol {
        margin-bottom: 1.5rem;
        padding-left: 1.5rem;
    }

    .article-content li {
        margin-bottom: 0.5rem;
    }

    /* ----- Blockquotes ----- */
    .article-content blockquote {
        border-left: 4px solid var(--si-primary);
        background: var(--si-callout-bg);
        padding: 1.25rem 2rem;
        margin: 2rem 0;
        border-radius: 8px;
        font-style: italic;
        color: var(--si-text-primary);
    }

        .article-content blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-content blockquote .quote-author {
            display: block;
            margin-top: 0.5rem;
            font-style: normal;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--si-text-muted);
        }

    /* ----- Callouts ----- */
    .article-content .callout {
        background: var(--si-callout-bg);
        border-left: 4px solid var(--si-primary);
        padding: 1rem 1.5rem;
        border-radius: 8px;
        margin: 2rem 0;
    }

        .article-content .callout .callout-title {
            font-weight: 700;
            margin-bottom: 0.25rem;
            color: var(--si-text-primary);
        }

        .article-content .callout p:last-child {
            margin-bottom: 0;
        }

        .article-content .callout.warning {
            border-left-color: #f59e0b;
        }

        .article-content .callout.success {
            border-left-color: #22c55e;
        }

        .article-content .callout.info {
            border-left-color: #3b82f6;
        }

    /* ----- Code blocks ----- */
    .article-content .code-block {
        background: var(--si-code-bg);
        border-radius: 12px;
        padding: 1.25rem 1.5rem;
        margin: 2rem 0;
        border: 1px solid var(--si-border);
    }

        .article-content .code-block pre {
            margin: 0;
            font-family: 'Fira Code', 'Menlo', monospace;
            font-size: 0.9rem;
            color: var(--si-text-primary);
            white-space: pre-wrap;
            word-break: break-word;
        }

/* ----- Takeaways Grid ----- */
.takeaway-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin: 2rem 0;
}

.takeaway-item {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 1rem;
    background: var(--si-card-bg);
    border-radius: 12px;
    border: 1px solid var(--si-border);
    box-shadow: var(--si-card-shadow);
    transition: transform .2s ease;
}

    .takeaway-item:hover {
        transform: translateY(-4px);
        box-shadow: var(--si-card-shadow-hover);
    }

    .takeaway-item .icon {
        color: var(--si-primary);
        font-size: 1.5rem;
        flex-shrink: 0;
        line-height: 1.4;
    }

/* ----- Pattern Cards ----- */
.pattern-card {
    transition: transform .2s ease, box-shadow .2s ease;
}

    .pattern-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--si-card-shadow-hover) !important;
    }

/* ----- Stat Cards ----- */
.stat-card {
    background: var(--si-primary-light);
    border-radius: var(--si-radius);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--si-border);
    height: 100%;
}

    .stat-card .stat-number {
        font-size: 2.5rem;
        font-weight: 700;
        color: var(--si-primary);
        line-height: 1.2;
    }

    .stat-card .stat-label {
        font-size: 0.9rem;
        color: var(--si-text-muted);
        margin-top: 0.25rem;
    }

/* ----- Sticky Sidebar ----- */
.sticky-sidebar {
    position: sticky;
    top: 90px;
    align-self: flex-start;
}

.toc-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

    .toc-nav ul li {
        margin-bottom: 0.5rem;
    }

        .toc-nav ul li a {
            color: var(--si-text-muted);
            text-decoration: none;
            font-size: 0.9rem;
            display: block;
            padding: 0.25rem 0;
            border-left: 2px solid transparent;
            padding-left: 0.75rem;
            transition: all .2s ease;
            cursor: pointer;
        }

            .toc-nav ul li a:hover,
            .toc-nav ul li a.active {
                color: var(--si-primary);
                border-left-color: var(--si-primary);
            }

/* ----- Blog Cards (related) ----- */
.blog-card {
    background: var(--si-card-bg);
    border-radius: var(--si-radius);
    border: 1px solid var(--si-border);
    box-shadow: var(--si-card-shadow);
    transition: all .3s ease;
    height: 100%;
}

    .blog-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--si-card-shadow-hover);
    }

    .blog-card .blog-image {
        display: block;
        aspect-ratio: 16/10;
    }

        .blog-card .blog-image img {
            width: 100%;
            height: 100%;
            object-fit: fill;
            transition: transform .4s ease;
            border-radius: 10px 10px 0 0;
        }

    .blog-card:hover .blog-image img {
        transform: scale(1.05);
    }

    .blog-card .card-body {
        padding: 1.5rem;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

        .blog-card .card-body .badge {
            align-self: flex-start;
        }

        .blog-card .card-body .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0.5rem 0;
        }

            .blog-card .card-body .card-title a {
                color: var(--si-text-primary);
                text-decoration: none;
            }

                .blog-card .card-body .card-title a:hover {
                    color: var(--si-primary);
                }

        .blog-card .card-body .card-text {
            font-size: 0.95rem;
            color: var(--si-text-muted);
            flex: 1;
        }

        .blog-card .card-body .btn-link {
            color: var(--si-primary);
            font-weight: 600;
            text-decoration: none;
        }

            .blog-card .card-body .btn-link i {
                transition: transform .2s ease;
            }

            .blog-card .card-body .btn-link:hover i {
                transform: translateX(5px);
            }

/* ----- CTA Section ----- */
.cta-section {
    background: var(--si-cta-bg);
    border-radius: var(--si-radius);
}

/* ----- Responsive ----- */
@media (max-width: 991.98px) {
    .blog-hero .hero-content {
        margin-bottom: 2rem;
    }

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

@media (max-width: 767.98px) {
    .blog-hero {
        padding: 40px 0;
    }

    .article-content {
        font-size: 1rem;
    }

        .article-content h2 {
            font-size: 1.6rem;
            margin-top: 2rem;
        }

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

    .sticky-sidebar {
        position: relative;
        top: 0;
    }
}

@media (max-width: 575.98px) {
    .blog-hero .hero-content h1 {
        font-size: 2rem;
    }

    .stat-card .stat-number {
        font-size: 2rem;
    }
}


#cta-heading {
    color: white !important;
}

#article-title {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--si-heading-color) #ffffff;
    margin-bottom: 1.5rem;
}

.lead {
    font-size: 1.2rem;
    color: var(--si-text-primary);
    opacity: 0.9;
}

html {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

body {
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
}

img,
svg,
video,
canvas {
    max-width: 100%;
}