.navbar--static {
    opacity: 1;
    background: rgba(0, 0, 0, 0.95);
}

.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #8558ed, #4a9eff, #4bffc0);
    transform: scaleX(0);
    transform-origin: left;
    z-index: 10000;
    pointer-events: none;
    will-change: transform;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 128px 128px;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.4;
    mix-blend-mode: overlay;
}

.article-hero {
    padding: 140px 0 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    overflow: hidden;
}

.article-hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(133, 88, 237, 0.08) 0%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
}

.article-hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(74, 158, 255, 0.05) 0%, transparent 70%);
    filter: blur(60px);
    pointer-events: none;
    z-index: 0;
}

.article-hero .container {
    position: relative;
    z-index: 1;
}

.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 14px;
}

.article-breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-breadcrumb a:hover {
    color: var(--accent-blue);
}

.article-breadcrumb a:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
    border-radius: 2px;
}

.breadcrumb-sep {
    color: rgba(255, 255, 255, 0.3);
}

.breadcrumb-current {
    color: var(--text-primary);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.article-meta .blog-readtime::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 3px;
    background: var(--text-secondary);
    border-radius: 50%;
    margin-right: 12px;
    vertical-align: middle;
}

.article-title {
    font-family: 'Space Mono', monospace;
    font-size: clamp(24px, 3.5vw + 12px, 42px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.article-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 720px;
}

.article-body {
    padding: 0;
}

.prose {
    max-width: 720px;
    margin: 0 auto;
    padding: 60px 0 80px;
    font-size: 17px;
    line-height: 1.85;
    color: var(--text-primary);
}

.prose h2 {
    font-family: 'Space Mono', monospace;
    font-size: 30px;
    font-weight: 700;
    margin: 48px 0 20px;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    border-left: 3px solid rgba(133, 88, 237, 0.6);
    padding-left: 16px;
    position: relative;
    cursor: pointer;
    scroll-margin-top: 100px;
}

.prose h3 {
    scroll-margin-top: 100px;
}

.prose h2:not(:first-child)::before {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue), transparent);
    margin-bottom: 48px;
}

.prose h2:hover::after {
    content: '#';
    position: absolute;
    left: -40px;
    color: var(--accent-blue);
    opacity: 0.4;
    font-weight: 400;
    font-family: 'Inter', sans-serif;
}

.prose h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 32px 0 14px;
    color: var(--text-primary);
    position: relative;
    cursor: pointer;
}

.prose h3:hover::after {
    content: '#';
    position: absolute;
    left: -24px;
    color: var(--accent-blue);
    opacity: 0.4;
    font-weight: 400;
    font-family: 'Inter', sans-serif;
}

.prose p {
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.85);
}

.prose ul,
.prose ol {
    margin: 20px 0 20px 24px;
    color: rgba(255, 255, 255, 0.85);
}

.prose li {
    margin-bottom: 10px;
    line-height: 1.7;
}

.prose strong {
    color: var(--text-primary);
    font-weight: 700;
}

.prose em {
    color: var(--text-secondary);
    font-style: italic;
}

.prose a {
    color: var(--accent-blue);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.3s ease;
}

.prose a:hover {
    color: var(--accent-cyan);
}

.prose a:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
    border-radius: 2px;
}

.prose blockquote {
    position: relative;
    border-left: 3px solid var(--accent-purple);
    margin: 32px 0;
    padding: 24px 28px 24px 32px;
    background: linear-gradient(135deg, rgba(133, 88, 237, 0.06) 0%, rgba(74, 158, 255, 0.03) 100%);
    border-radius: 0 12px 12px 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
    line-height: 1.8;
}

.prose blockquote::before {
    content: '\201C';
    position: absolute;
    top: -8px;
    left: 16px;
    font-size: 60px;
    font-family: Georgia, serif;
    color: rgba(133, 88, 237, 0.2);
    line-height: 1;
    pointer-events: none;
}

.prose code {
    background: rgba(74, 158, 255, 0.1);
    border: 1px solid rgba(74, 158, 255, 0.15);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Space Mono', monospace;
    font-size: 0.9em;
    color: #4a9eff;
}

.prose pre {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 24px;
    overflow-x: auto;
    margin: 24px 0;
}

.prose pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
}

.article-toc {
    max-width: 720px;
    margin: 0 auto 40px;
    padding: 20px 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
}

.toc-inner {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toc-label {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-secondary);
}

.toc-nav {
    display: flex;
    flex-direction: column;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    padding-left: 16px;
}

.toc-link {
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 0;
    transition: color 0.3s ease;
    position: relative;
}

.toc-link::before {
    content: '';
    position: absolute;
    left: -17px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: transparent;
    transition: background 0.3s ease;
}

.toc-link.active {
    color: var(--accent-blue);
}

.toc-link.active::before {
    background: var(--accent-blue);
}

.toc-link:hover {
    color: var(--text-primary);
}

.toc-link:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
    border-radius: 2px;
}

.article-share {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 0 0 32px;
}

.share-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    margin-right: 4px;
    font-family: 'Space Mono', monospace;
}

.share-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
    text-decoration: none;
}

.share-btn:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: scale(1.1);
}

.share-btn:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

.article-faq {
    padding: 0 0 60px;
}

.article-faq .prose {
    padding: 0 0 24px;
}

.article-faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.article-cta {
    padding: 60px 0;
}

.article-cta-box {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    padding: 56px 40px;
    border: none;
    border-radius: 20px;
    background: rgba(133, 88, 237, 0.03);
    position: relative;
    overflow: hidden;
}

.article-cta-box::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(135deg, #8558ed, #4a9eff, #4bffc0, #8558ed);
    background-size: 300% 300%;
    animation: gradientBorder 6s ease infinite;
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.article-cta-box::after {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(133, 88, 237, 0.1) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.article-cta-box > * {
    position: relative;
    z-index: 1;
}

@keyframes gradientBorder {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.article-cta-title {
    font-family: 'Space Mono', monospace;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.article-cta-text {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 28px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.article-cta-box .cta-button:focus-visible,
.article-cta-box a:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

.article-nav-section {
    padding: 60px 0 80px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.back-to-blog {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 48px;
    transition: gap 0.3s ease;
}

.back-to-blog svg {
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.back-to-blog:hover svg {
    transform: translateX(-4px);
}

.back-to-blog:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
    border-radius: 4px;
}

.related-articles h3 {
    font-family: 'Space Mono', monospace;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

@media (prefers-reduced-motion: reduce) {
    .article-cta-box::before {
        animation: none;
    }

    .reading-progress {
        transition: none;
    }
}


@media (max-width: 768px) {
    .article-hero {
        padding: 120px 0 40px;
    }

    .article-subtitle {
        font-size: 16px;
    }

    .prose {
        font-size: 16px;
        padding: 40px 0 60px;
    }

    .prose h2 {
        font-size: 22px;
        margin: 36px 0 16px;
    }

    .prose h3 {
        font-size: 18px;
    }

    .prose blockquote {
        padding: 20px 20px 20px 24px;
        font-size: 16px;
    }

    .article-cta-box {
        padding: 32px 20px;
    }

    .article-cta-title {
        font-size: 22px;
    }

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

    .language-toggle {
        top: 85px !important;
        right: 16px !important;
        padding: 5px 10px !important;
        font-size: 10px !important;
    }

    /* Mobile menu — slide-in panel */
    .nav-links.active {
        display: flex !important;
        flex-direction: column;
        position: fixed !important;
        top: 0 !important;
        right: 0 !important;
        left: auto !important;
        bottom: 0 !important;
        width: 280px !important;
        height: 100vh !important;
        background: #0a0a0a !important;
        z-index: 9998 !important;
        align-items: flex-start;
        justify-content: flex-start;
        gap: 0;
        padding: 100px 32px 40px;
        margin: 0;
        list-style: none;
        border-left: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
        animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    @keyframes slideIn {
        from { transform: translateX(100%); opacity: 0; }
        to { transform: translateX(0); opacity: 1; }
    }

    .nav-links.active li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .nav-links.active li:last-child {
        border-bottom: none;
    }

    .nav-links.active a {
        font-size: 18px;
        color: rgba(255, 255, 255, 0.7);
        text-decoration: none;
        display: block;
        padding: 16px 0;
        transition: color 0.2s ease, padding-left 0.2s ease;
    }

    .nav-links.active a:hover,
    .nav-links.active a.active {
        color: #fff;
        padding-left: 8px;
    }

    .mobile-menu-toggle {
        z-index: 9999 !important;
        position: relative;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

@media (max-width: 480px) {
    .article-hero {
        padding: 100px 0 32px;
    }

    .article-breadcrumb {
        font-size: 12px;
    }

    .prose {
        font-size: 15px;
        line-height: 1.75;
    }

    .prose h2 {
        font-size: 20px;
        padding-left: 12px;
    }

    .prose h2:hover::after {
        left: -28px;
    }
}