/* Blog Premium Template CSS */
:root {
        --color-primary-navy: #0B1F3A;
        --color-secondary-blue: #1D6FEB;
        --color-accent-gold: #FFD700;
        --color-trust-gold: #F59E0B;
        --color-text-dark: #0F172A;
        --color-text-muted: #64748B;
        --color-bg-light: #F8FAFC;
        --color-border: #E2E8F0;
    }
    
    /* Reading Progress Bar */
    #reading-progress-bar {
        position: fixed;
        top: 0;
        left: 0;
        width: 0%;
        height: 4px;
        background: linear-gradient(90deg, #1D6FEB, #FFD700);
        z-index: 99999;
        transition: width 0.1s ease;
    }

    .premium-blog-wrapper {
        background-color: var(--color-bg-light);
        min-height: 100vh;
        padding-bottom: 90px;
        font-family: 'Inter', system-ui, -apple-system, sans-serif;
        overflow-x: hidden;
    }

    /* Hero Section */
    .blog-article-hero {
        background: linear-gradient(135deg, #071527 0%, #0B1F3A 60%, #162E52 100%);
        padding: 125px 0 75px 0;
        color: #FFFFFF;
        position: relative;
        overflow: hidden;
    }
    .blog-article-hero::before {
        content: "";
        position: absolute;
        top: -40%;
        right: -10%;
        width: 550px;
        height: 550px;
        background: radial-gradient(circle, rgba(29,111,235,0.18) 0%, rgba(0,0,0,0) 70%);
        border-radius: 50%;
        pointer-events: none;
    }
    .breadcrumb-nav {
        font-size: 0.88rem;
        color: #94A3B8;
        margin-bottom: 18px;
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
    }
    .breadcrumb-nav a {
        color: #CBD5E1;
        text-decoration: none;
        transition: color 0.2s ease;
    }
    .breadcrumb-nav a:hover {
        color: var(--color-accent-gold);
    }
    .category-pill {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 16px;
        background: rgba(255, 215, 0, 0.15);
        color: var(--color-accent-gold);
        border: 1px solid rgba(255, 215, 0, 0.35);
        border-radius: 9999px;
        font-weight: 700;
        font-size: 0.85rem;
        letter-spacing: 0.03em;
        margin-bottom: 20px;
    }
    .blog-article-hero h1, .blog-article-hero h2, .blog-article-hero h3 {
        font-size: 2.6rem;
        font-weight: 800;
        line-height: 1.25;
        color: #FFFFFF !important;
        margin-bottom: 24px;
        letter-spacing: -0.02em;
    }
    .blog-article-hero p {
        color: #CBD5E1 !important;
    }
    .author-byline-bar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        flex-wrap: wrap;
        padding-top: 24px;
        border-top: 1px solid rgba(255,255,255,0.14);
        margin-top: 28px;
    }
    .author-avatar-sm {
        width: 48px;
        height: 48px;
        background: var(--color-secondary-blue);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-size: 1.25rem;
        font-weight: bold;
        border: 2px solid var(--color-accent-gold);
        flex-shrink: 0;
        box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    }

    /* Main Layout Grid */
    .blog-layout-grid {
        display: grid;
        grid-template-columns: 1fr 340px;
        gap: 44px;
        margin-top: -36px;
        position: relative;
        z-index: 10;
        align-items: start;
    }

    /* Left Content Card */
    .blog-main-content-card {
        background: #FFFFFF;
        border-radius: 20px;
        box-shadow: 0 16px 40px rgba(11, 31, 58, 0.06);
        padding: 48px 44px;
        border: 1px solid #E2E8F0;
        position: relative;
        width: 100%;
        max-width: 100%;
        min-width: 0;
        box-sizing: border-box;
        overflow-wrap: break-word;
    }

    /* Typography inside article */
    .blog-main-content-card .article-lead {
        font-size: 1.25rem;
        line-height: 1.8;
        color: var(--color-text-dark);
        font-weight: 500;
        margin-bottom: 36px;
        padding-left: 24px;
        border-left: 4px solid var(--color-secondary-blue);
    }
    .blog-main-content-card h2 {
        font-size: 1.8rem;
        font-weight: 700;
        color: var(--color-primary-navy);
        margin-top: 48px;
        margin-bottom: 20px;
        padding-bottom: 12px;
        border-bottom: 2px solid #F1F5F9;
        scroll-margin-top: 100px;
    }
    .blog-main-content-card h3 {
        font-size: 1.35rem;
        font-weight: 600;
        color: #1E293B;
        margin-top: 32px;
        margin-bottom: 16px;
        scroll-margin-top: 100px;
    }
    .blog-main-content-card p {
        font-size: 1.12rem;
        line-height: 1.85;
        color: #334155;
        margin-bottom: 24px;
    }
    .blog-main-content-card ul, .blog-main-content-card ol {
        font-size: 1.12rem;
        line-height: 1.85;
        color: #334155;
        margin-bottom: 28px;
        padding-left: 28px;
    }
    .blog-main-content-card li {
        margin-bottom: 12px;
    }

    /* Callouts and Boxes */
    .exec-summary-box {
        background: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 100%);
        border: 1px solid #BFDBFE;
        border-left: 5px solid #1D6FEB;
        border-radius: 14px;
        padding: 30px 34px;
        margin: 36px 0;
        box-shadow: 0 8px 24px rgba(29, 111, 235, 0.05);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow-wrap: break-word;
    }
    .exec-summary-box h3 {
        color: #1E3A8A !important;
        margin-top: 0 !important;
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.3rem !important;
        border-bottom: none !important;
        padding-bottom: 0 !important;
    }
    .case-study-box {
        background: #F8FAFC;
        border: 1px solid #E2E8F0;
        border-left: 5px solid #10B981;
        border-radius: 14px;
        padding: 30px;
        margin: 40px 0;
        box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow-wrap: break-word;
    }
    .math-box {
        background: #FDF2F8;
        border: 1px solid #FBCFE8;
        border-left: 5px solid #EC4899;
        border-radius: 14px;
        padding: 28px;
        margin: 32px 0;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow-wrap: break-word;
    }
    .pro-tip-box {
        background: #F0FDF4;
        border: 1px solid #BBF7D0;
        border-left: 5px solid #22C55E;
        border-radius: 14px;
        padding: 24px;
        margin: 32px 0;
        color: #166534;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow-wrap: break-word;
    }

    /* Data Table */
    .data-table-wrapper {
        overflow-x: auto;
        margin: 36px 0;
        border-radius: 12px;
        border: 1px solid var(--color-border);
        box-shadow: 0 4px 14px rgba(0,0,0,0.04);
    }
    .data-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 0.96rem;
        background: #FFFFFF;
    }
    .data-table th {
        background: var(--color-primary-navy);
        color: #FFFFFF;
        padding: 16px 20px;
        text-align: left;
        font-weight: 600;
        white-space: nowrap;
    }
    .data-table td {
        padding: 16px 20px;
        border-bottom: 1px solid var(--color-border);
        color: #334155;
    }
    .data-table tr:nth-child(even) {
        background: #F8FAFC;
    }
    .data-table tr:hover {
        background: #F1F5F9;
    }

    /* Interactive FAQ Accordion */
    .faq-accordion-item {
        border: 1px solid var(--color-border);
        border-radius: 12px;
        margin-bottom: 16px;
        background: #FFFFFF;
        overflow: hidden;
        transition: box-shadow 0.2s ease;
    }
    .faq-accordion-item:hover {
        box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    }
    .faq-accordion-header {
        padding: 20px 24px;
        font-size: 1.12rem;
        font-weight: 600;
        color: var(--color-primary-navy);
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: #FFFFFF;
        transition: background 0.2s ease;
    }
    .faq-accordion-header:hover {
        background: #F8FAFC;
    }
    .faq-accordion-header i {
        color: var(--color-secondary-blue);
        transition: transform 0.3s ease;
    }
    .faq-accordion-body {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.35s ease;
        padding: 0 24px;
        color: #475569;
        font-size: 1.05rem;
        line-height: 1.75;
    }
    .faq-accordion-item.active .faq-accordion-header i {
        transform: rotate(180deg);
    }
    .faq-accordion-item.active .faq-accordion-body {
        max-height: 2000px;
        padding: 0 24px 24px 24px;
    }

    /* Right Sticky Sidebar */
    .sticky-toc-sidebar {
        position: sticky;
        top: 100px;
        display: flex;
        flex-direction: column;
        gap: 28px;
    }
    .sidebar-card {
        background: #FFFFFF;
        border-radius: 16px;
        border: 1px solid var(--color-border);
        padding: 28px;
        box-shadow: 0 8px 24px rgba(0,0,0,0.04);
    }
    .sidebar-card h4 {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--color-primary-navy);
        margin-top: 0;
        margin-bottom: 16px;
        padding-bottom: 12px;
        border-bottom: 2px solid #F1F5F9;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .toc-link-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .toc-link-list li {
        margin-bottom: 12px;
    }
    .toc-link-list a {
        color: #475569;
        text-decoration: none;
        font-size: 0.95rem;
        display: block;
        padding: 6px 10px;
        border-radius: 8px;
        transition: all 0.2s ease;
        line-height: 1.4;
    }
    .toc-link-list a:hover {
        background: #EFF6FF;
        color: var(--color-secondary-blue);
        font-weight: 600;
        padding-left: 14px;
    }

    /* Author Sidebar Box */
    .author-sidebar-box {
        text-align: center;
    }
    .author-sidebar-avatar {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        background: var(--color-primary-navy);
        color: var(--color-accent-gold);
        font-size: 2rem;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 16px auto;
        border: 3px solid var(--color-secondary-blue);
    }
    .badge-amfi {
        display: inline-block;
        background: #EFF6FF;
        color: var(--color-secondary-blue);
        font-weight: 700;
        font-size: 0.8rem;
        padding: 4px 10px;
        border-radius: 6px;
        margin-bottom: 12px;
    }

    /* Floating Mobile Bottom CTA Bar */
    .mobile-sticky-cta-bar {
        display: none;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: rgba(11, 31, 58, 0.98);
        backdrop-filter: blur(10px);
        padding: 12px 16px;
        z-index: 9999;
        border-top: 1px solid rgba(255,255,255,0.15);
        box-shadow: 0 -6px 24px rgba(0,0,0,0.25);
        justify-content: space-between;
        align-items: center;
    }

    /* Responsive Mobile Overrides */
    @media (max-width: 991px) {
        .blog-layout-grid {
            grid-template-columns: 1fr !important;
            display: flex !important;
            flex-direction: column !important;
            gap: 32px;
            margin-top: -24px;
        }
        .sticky-toc-sidebar {
            position: static !important;
            width: 100% !important;
            order: 2;
        }
    }
    @media (max-width: 768px) {
        .blog-article-hero {
            padding: 96px 16px 54px 16px !important;
        }
        .blog-article-hero h1 {
            font-size: 1.8rem !important;
            line-height: 1.35 !important;
        }
        .author-byline-bar {
            gap: 12px;
            font-size: 0.85rem;
        }
        .blog-main-content-card {
            padding: 26px 18px !important;
            border-radius: 16px !important;
            box-shadow: 0 10px 25px rgba(0,0,0,0.06);
        }
        .blog-main-content-card .article-lead {
            font-size: 1.05rem !important;
            padding-bottom: 20px !important;
        }
        .blog-main-content-card h2 {
            font-size: 1.48rem !important;
            margin-top: 36px !important;
        }
        .blog-main-content-card h3 {
            font-size: 1.25rem !important;
        }
        .blog-main-content-card p, .blog-main-content-card ul, .blog-main-content-card ol {
            font-size: 1.05rem !important;
            line-height: 1.75 !important;
        }
        .exec-summary-box, .case-study-box, .math-box, .pro-tip-box {
            padding: 22px 16px !important;
            border-radius: 14px !important;
            margin: 24px 0 !important;
        }
        .data-table th, .data-table td {
            padding: 12px 10px !important;
            font-size: 0.85rem !important;
        }
        .mobile-sticky-cta-bar {
            display: flex !important;
        }
        .premium-blog-wrapper {
            padding-bottom: 96px !important;
        }
    }

    
/* Responsive Author Box and CTA Fixes */
@media (max-width: 768px) {
    .responsive-author-box {
        flex-wrap: wrap !important;
        gap: 16px !important;
        padding: 20px 16px !important;
    }
    .responsive-author-text {
        flex: 1 1 200px !important;
        min-width: 200px !important;
    }
    .responsive-cta-box {
        padding: 24px 16px !important;
    }
    .responsive-cta-btn {
        white-space: normal !important;
        padding: 12px 16px !important;
        font-size: 1rem !important;
        line-height: 1.4 !important;
    }
}