:root{
            --black: #FBFAF9;
            --dark: #F5F3F1;
            --gray-900: #FFFFFF;
            --gray-800: #E6E2DD;
            --gray-700: #D2CCC4;
            --gray-600: #57514A;
            --gray-500: #766E65;
            --gray-400: #766E65;
            --gray-300: #57514A;
            --gray-200: #E6E2DD;
            --gray-100: #F5F3F1;
            --white: #16130F;

            --blue: #B84A00;
            --blue-light: #E85D00;
            --blue-dark: #8F3A00;
            --green: #1E7A3E;
            --green-light: #1E7A3E;
            --orange: #8A5A00;
            --purple: #6B3FA0;
            --red: #B3341A;

            --font: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
        }
*{ margin: 0; padding: 0; box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
            font-family: var(--font);
            background: var(--black);
            color: var(--white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
/* BUTTONS */
        .btn{
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            font-family: var(--font);
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            transition: all 0.2s;
        }
.btn-primary{ background:var(--o); color: var(--white); }
.btn-primary:hover{ background:var(--o-hover); transform: translateY(-1px); }
.btn-secondary{ background: var(--gray-800); color: var(--white); border: 1px solid var(--gray-700); }
.btn-secondary:hover{ background: var(--gray-700); }
.btn-lg{ padding: 14px 28px; font-size: 16px; border-radius: var(--radius-lg); }
/* ARTICLE HERO */
        .article-hero{
            padding: 120px 24px 48px;
            max-width: 1200px;
            margin: 0 auto;
        }
.breadcrumb{
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--gray-500);
            margin-bottom: 24px;
        }
.breadcrumb a{
            color: var(--gray-500);
            text-decoration: none;
            transition: color 0.2s;
        }
.breadcrumb a:hover{ color: var(--blue); }
.breadcrumb svg{ width: 12px; height: 12px; }
.article-hero h1{
            font-size: clamp(28px, 5vw, 42px);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
        }
.article-meta{
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--gray-500);
            margin-bottom: 16px;
        }
.article-meta span{ display: flex; align-items: center; gap: 4px; }
.meta-dot{ width: 3px; height: 3px; background: var(--gray-600); border-radius: 50%; }
.article-tag{
            display: inline-block;
            padding: 2px 10px;
            font-size: 12px;
            font-weight: 600;
            color: var(--blue);
            background: rgba(59,130,246,0.1);
            border-radius: 100px;
        }
.article-subtitle{
            font-size: 18px;
            color: var(--gray-400);
            line-height: 1.7;
            max-width: 720px;
        }
/* ARTICLE LAYOUT */
        .article-layout{
            display: grid;
            grid-template-columns: 250px 1fr;
            gap: 48px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px 80px;
        }
/* TOC */
        .toc{
            position: sticky;
            top: 100px;
            align-self: start;
        }
.toc h4{ font-size: 12px; font-weight: 600; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 16px; }
.toc-list{ list-style: none; }
.toc-list li{ margin-bottom: 8px; }
.toc-list a{ font-size: 14px; color: var(--gray-500); text-decoration: none; transition: color 0.2s; display: block; padding: 6px 12px; border-left: 2px solid transparent; }
.toc-list a:hover{ color: var(--gray-300); }
.toc-list a.active{ color: var(--blue); border-left-color: var(--blue); }
/* ARTICLE CONTENT */
        .article-content{ max-width: 800px; }
.article-content h2{ font-size: 28px; font-weight: 700; margin: 48px 0 16px; padding-top: 24px; }
.article-content h2:first-child{ margin-top: 0; }
.article-content h3{ font-size: 20px; font-weight: 600; margin: 32px 0 12px; }
.article-content p{ font-size: 16px; color: var(--gray-300); line-height: 1.8; margin-bottom: 20px; }
.article-content ul, .article-content ol{ color: var(--gray-300); font-size: 16px; line-height: 1.8; margin-bottom: 20px; padding-left: 24px; }
.article-content li{ margin-bottom: 8px; }
.article-content strong{ color: var(--white); font-weight: 600; }
.article-content code{
            font-family: 'SF Mono', 'Fira Code', monospace;
            font-size: 14px;
            background: var(--gray-800);
            padding: 2px 6px;
            border-radius: 4px;
            color: var(--orange);
        }
/* CALLOUT */
        .callout{ background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.2); border-radius: var(--radius-lg); padding: 24px; margin: 24px 0; }
.callout.warning{ background: rgba(249,115,22,0.1); border-color: rgba(249,115,22,0.2); }
.callout.success{ background: rgba(34,197,94,0.1); border-color: rgba(34,197,94,0.2); }
.callout h4{ font-size: 15px; font-weight: 600; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.callout p{ font-size: 14px; color: var(--gray-400); margin-bottom: 0; }
/* TABLE */
        .table-wrapper{ overflow-x: auto; margin: 24px 0; border-radius: var(--radius-md); border: 1px solid var(--gray-800); }
.article-table{ width: 100%; border-collapse: collapse; font-size: 14px; }
.article-table th{ text-align: left; padding: 12px 16px; background: var(--gray-800); color: var(--gray-300); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; white-space: nowrap; }
.article-table td{ padding: 12px 16px; border-bottom: 1px solid var(--gray-800); color: var(--gray-400); }
.article-table tr:last-child td{ border-bottom: none; }
.article-table tr:hover td{ background: rgba(255,255,255,0.02); }
.article-table .highlight{ color: var(--green); font-weight: 600; }
/* CTA */
        .article-cta{
            background: var(--gray-900);
            border: 1px solid var(--gray-800);
            border-radius: var(--radius-xl);
            padding: 48px;
            text-align: center;
            margin: 64px 0 0;
        }
.article-cta h2{ font-size: 28px; font-weight: 700; margin-bottom: 12px; }
.article-cta p{ font-size: 16px; color: var(--gray-400); max-width: 520px; margin: 0 auto 28px; }
.cta-buttons{ display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
/* RESPONSIVE */
        @media (max-width: 1024px){
            .article-layout { grid-template-columns: 1fr; }
            .toc { position: static; margin-bottom: 32px; padding: 20px; background: var(--gray-900); border: 1px solid var(--gray-800); border-radius: var(--radius-md); }
        }
@media (max-width: 768px){.article-hero{ padding: 100px 20px 32px; }
.article-layout{ padding: 0 20px 60px; gap: 32px; }
.article-content h2{ font-size: 24px; margin: 36px 0 12px; }
.article-content h3{ font-size: 18px; }
.article-cta{ padding: 32px 20px; }
.cta-buttons{ flex-direction: column; align-items: center; }
.article-meta{ flex-wrap: wrap; }
.nav-cta .btn{ display: none; }

        }