:root {
            --primary: #6c4cff;
            --primary-dark: #5236d6;
            --primary-light: #f1eeff;

            --text: #181824;
            --text-light: #5f5f70;

            --background: #ffffff;
            --background-soft: #f8f8fc;

            --border: #e7e7ef;

            --success: #18a56f;

            --max-width: 1100px;

            --radius: 14px;
        }


        * {
            box-sizing: border-box;
        }


        html {
            scroll-behavior: smooth;
        }


        body {
            margin: 0;

            font-family:
                Inter,
                -apple-system,
                BlinkMacSystemFont,
                "Segoe UI",
                Roboto,
                Helvetica,
                Arial,
                sans-serif;

            color: var(--text);

            background: var(--background);

            line-height: 1.75;
        }


        img {
            max-width: 100%;
            height: auto;
        }


        a {
            color: inherit;
        }


        .container {
            width: min(
                var(--max-width),
                calc(100% - 40px)
            );

            margin: 0 auto;
        }


        /* =====================================
           HEADER
        ====================================== */


        .site-header {

            height: 74px;

            border-bottom:
                1px solid var(--border);

            background: #ffffff;

            display: flex;

            align-items: center;
        }


        .header-inner {

            width: min(
                var(--max-width),
                calc(100% - 40px)
            );

            margin: 0 auto;

            display: flex;

            align-items: center;

            justify-content: space-between;
        }


        .logo {

            text-decoration: none;

            font-size: 25px;

            font-weight: 800;

            letter-spacing: -1px;
        }


        .logo span {
            color: var(--primary);
        }


        .nav {

            display: flex;

            align-items: center;

            gap: 25px;
        }


        .nav a {

            text-decoration: none;

            color: var(--text-light);

            font-size: 14px;

            font-weight: 600;
        }


        .nav a:hover {
            color: var(--primary);
        }


        .nav-button {

            background: var(--primary);

            color: #ffffff !important;

            padding: 10px 18px;

            border-radius: 9px;
        }


        /* =====================================
           ARTICLE HEADER
        ====================================== */


        .article-wrapper {

            padding:
                55px 0 90px;
        }


        .article-header {

            max-width: 850px;

            margin: 0 auto;

            text-align: center;
        }


        .breadcrumb {

            display: flex;

            justify-content: center;

            align-items: center;

            flex-wrap: wrap;

            gap: 8px;

            color: #777786;

            font-size: 13px;

            margin-bottom: 25px;
        }


        .breadcrumb a {

            color: var(--primary);

            text-decoration: none;

            font-weight: 600;
        }


        .article-header h1 {

            margin: 0 0 25px;

            font-size:
                clamp(38px, 5vw, 62px);

            line-height: 1.08;

            letter-spacing: -2.4px;
        }


        .article-intro {

            max-width: 760px;

            margin: 0 auto;

            color: var(--text-light);

            font-size: 19px;

            line-height: 1.75;
        }


        .article-meta {

            margin-top: 25px;

            color: #858593;

            font-size: 13px;

            display: flex;

            justify-content: center;

            gap: 10px;

            flex-wrap: wrap;
        }


        /* =====================================
           ARTICLE
        ====================================== */


        .article {

            max-width: 820px;

            margin: 55px auto 0;
        }


        .article p {

            margin:
                0 0 22px;

            color: #363642;

            font-size: 17px;
        }


        .article h2 {

            margin:
                65px 0 18px;

            font-size: 34px;

            line-height: 1.2;

            letter-spacing: -1px;
        }


        .article h3 {

            margin:
                35px 0 10px;

            font-size: 22px;

            line-height: 1.3;
        }


        .article ul,
        .article ol {

            margin:
                20px 0 28px;

            padding-left: 28px;
        }


        .article li {

            margin-bottom: 11px;

            color: #3e3e4c;

            font-size: 16px;
        }


        /* =====================================
           TABLE OF CONTENTS
        ====================================== */


        .toc {

            background: var(--background-soft);

            border:
                1px solid var(--border);

            border-radius:
                var(--radius);

            padding: 25px 30px;

            margin:
                45px 0 55px;
        }


        .toc-title {

            font-weight: 800;

            margin-bottom: 13px;

            font-size: 16px;
        }


        .toc ul {

            margin: 0;

            padding-left: 20px;
        }


        .toc li {

            margin-bottom: 7px;

            font-size: 14px;
        }


        .toc a {

            color: var(--primary-dark);

            text-decoration: none;
        }


        .toc a:hover {
            text-decoration: underline;
        }


        /* =====================================
           NOTE BOX
        ====================================== */


        .note {

            background:
                var(--primary-light);

            border-left:
                4px solid var(--primary);

            border-radius:
                8px;

            padding:
                20px 22px;

            margin:
                30px 0;
        }


        .note strong {

            display: block;

            margin-bottom: 6px;
        }


        .note p {

            margin: 0;

            font-size: 15px;
        }


        /* =====================================
           CTA
        ====================================== */


        .article-cta {

            background:
                linear-gradient(
                    135deg,
                    #f4f1ff,
                    #faf9ff
                );

            border:
                1px solid #e4defe;

            border-radius:
                18px;

            padding:
                35px;

            margin:
                45px 0;
        }


        .article-cta h3 {

            margin:
                0 0 8px;

            font-size: 24px;
        }


        .article-cta p {

            margin-bottom: 22px;
        }


        .cta-button {

            display: inline-flex;

            align-items: center;

            justify-content: center;

            background:
                var(--primary);

            color:
                #ffffff;

            text-decoration: none;

            padding:
                13px 22px;

            border-radius:
                10px;

            font-size:
                15px;

            font-weight:
                700;

            transition:
                .2s ease;
        }


        .cta-button:hover {

            background:
                var(--primary-dark);

            transform:
                translateY(-1px);
        }


        /* =====================================
           FAQ
        ====================================== */


        .faq {

            margin-top: 30px;

            border-top:
                1px solid var(--border);
        }


        .faq details {

            border-bottom:
                1px solid var(--border);

            padding:
                20px 0;
        }


        .faq summary {

            cursor: pointer;

            list-style: none;

            font-weight:
                700;

            font-size:
                17px;

            padding-right:
                30px;

            position:
                relative;
        }


        .faq summary::-webkit-details-marker {
            display: none;
        }


        .faq summary::after {

            content: "+";

            position:
                absolute;

            right: 0;

            top: -3px;

            font-size:
                23px;

            color:
                var(--primary);
        }


        .faq details[open]
        summary::after {
            content: "−";
        }


        .faq details p {

            margin:
                12px 0 0;

            color:
                var(--text-light);

            font-size:
                15px;
        }


        /* =====================================
           FINAL CTA
        ====================================== */


        .final-cta {

            margin-top:
                75px;

            background:
                linear-gradient(
                    135deg,
                    #18162d,
                    #292352
                );

            color:
                #ffffff;

            border-radius:
                22px;

            padding:
                55px 35px;

            text-align:
                center;
        }


        .final-cta h2 {

            margin:
                0 0 15px;

            font-size:
                36px;

            letter-spacing:
                -1px;
        }


        .final-cta p {

            max-width:
                650px;

            margin:
                0 auto 25px;

            color:
                #d0cde0;

            font-size:
                16px;
        }


        .final-cta .cta-button {

            background:
                #ffffff;

            color:
                var(--primary-dark);
        }


        /* =====================================
           RELATED
        ====================================== */


        .related {

            margin-top:
                65px;

            padding-top:
                35px;

            border-top:
                1px solid var(--border);
        }


        .related h2 {

            margin-top:
                0;

            font-size:
                26px;
        }


        .related ul {

            list-style:
                none;

            padding:
                0;

            margin:
                20px 0 0;
        }


        .related li {

            padding:
                10px 0;

            border-bottom:
                1px solid var(--border);
        }


        .related a {

            color:
                var(--primary-dark);

            text-decoration:
                none;

            font-weight:
                600;
        }


        .related a:hover {
            text-decoration: underline;
        }


        /* =====================================
           FOOTER
        ====================================== */


        .site-footer {

            border-top:
                1px solid var(--border);

            margin-top:
                80px;

            padding:
                30px 0;
        }


        .footer-inner {

            width:
                min(
                    var(--max-width),
                    calc(100% - 40px)
                );

            margin:
                0 auto;

            display:
                flex;

            justify-content:
                space-between;

            align-items:
                center;

            gap:
                20px;
        }


        .footer-copy {

            color:
                #858593;

            font-size:
                13px;
        }


        .footer-links {

            display:
                flex;

            gap:
                20px;
        }


        .footer-links a {

            color:
                #666675;

            text-decoration:
                none;

            font-size:
                13px;
        }


        /* =====================================
           MOBILE
        ====================================== */


        @media (max-width: 768px) {

            .nav {
                display: none;
            }


            .container,
            .header-inner,
            .footer-inner {

                width:
                    calc(100% - 28px);
            }


            .article-wrapper {
                padding-top:
                    35px;
            }


            .article-header h1 {

                font-size:
                    40px;

                letter-spacing:
                    -1.7px;
            }


            .article-intro {
                font-size:
                    17px;
            }


            .article {
                margin-top:
                    40px;
            }


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


            .article h2 {

                font-size:
                    29px;

                margin-top:
                    50px;
            }


            .toc {
                padding:
                    20px;
            }


            .article-cta {
                padding:
                    25px;
            }


            .final-cta {
                padding:
                    40px 22px;
            }


            .final-cta h2 {
                font-size:
                    29px;
            }


            .footer-inner {

                flex-direction:
                    column;

                align-items:
                    flex-start;
            }

        }
        
        /* =========================================================
   BLOG LAYOUT + SIDEBAR
   ========================================================= */

.blog-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 40px;
    align-items: start;
}


/* =========================================================
   SIDEBAR
   ========================================================= */

.blog-sidebar {
    width: 100%;
    position: sticky;
    top: 25px;
}


/* =========================================================
   SIDEBAR CARD
   ========================================================= */

.sidebar-card {
    background: #ffffff;
    border: 1px solid #e8e8e8;
    border-radius: 14px;
    padding: 22px;
    margin-bottom: 20px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
}


/* =========================================================
   SIDEBAR TITLE
   ========================================================= */

.sidebar-card h3 {
    margin: 0 0 16px;
    font-size: 18px;
    line-height: 1.4;
    font-weight: 700;
    color: #1f2937;
}


/* =========================================================
   SIDEBAR LIST
   ========================================================= */

.sidebar-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}


.sidebar-card li {
    margin: 0;
    padding: 0;
}


/* =========================================================
   SIDEBAR LINKS
   ========================================================= */

.sidebar-card li a {
    display: block;
    padding: 10px 12px;
    margin-bottom: 3px;

    color: #4b5563;
    text-decoration: none;

    font-size: 15px;
    line-height: 1.5;
    font-weight: 500;

    border-radius: 8px;

    transition:
        background-color 0.2s ease,
        color 0.2s ease,
        transform 0.2s ease;
}


.sidebar-card li a:hover {
    background: #f5f7fa;
    color: #111827;
    transform: translateX(3px);
}


/* =========================================================
   ACTIVE PAGE
   ========================================================= */

.sidebar-card li a.active {
    background: #f1f5f9;
    color: #111827;
    font-weight: 700;
}


/* =========================================================
   CTA SIDEBAR
   ========================================================= */

.sidebar-cta {
    background: linear-gradient(
        145deg,
        #f8fafc 0%,
        #ffffff 100%
    );
}


.sidebar-cta h3 {
    margin-bottom: 10px;
}


.sidebar-cta p {
    margin: 0 0 18px;

    color: #6b7280;

    font-size: 14px;
    line-height: 1.65;
}


/* =========================================================
   CTA BUTTON
   ========================================================= */

.sidebar-cta .cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 100%;
    min-height: 44px;

    padding: 10px 18px;

    border-radius: 8px;

    text-decoration: none;

    font-size: 14px;
    font-weight: 700;

    box-sizing: border-box;

    transition:
        transform 0.2s ease,
        opacity 0.2s ease;
}


.sidebar-cta .cta-button:hover {
    transform: translateY(-1px);
    opacity: 0.92;
}


/* =========================================================
   SIDEBAR DIVIDER
   ========================================================= */

.sidebar-card + .sidebar-card {
    margin-top: 20px;
}


/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 1000px) {

    .blog-layout {
        grid-template-columns: minmax(0, 1fr) 260px;
        gap: 28px;
    }

    .sidebar-card {
        padding: 18px;
    }

    .sidebar-card h3 {
        font-size: 17px;
    }

    .sidebar-card li a {
        font-size: 14px;
        padding: 9px 10px;
    }

}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 768px) {

    .blog-layout {
        display: flex;
        flex-direction: column;
        gap: 30px;
    }


    .article {
        width: 100%;
    }


    .blog-sidebar {
        width: 100%;
        position: static;
    }


    .sidebar-card {
        width: 100%;
        box-sizing: border-box;
        margin-bottom: 16px;
        padding: 20px;
    }


    .sidebar-card h3 {
        font-size: 18px;
    }


    .sidebar-card li a {
        padding: 11px 12px;
        font-size: 15px;
    }


    .sidebar-cta .cta-button {
        min-height: 46px;
    }

}


/* =========================================================
   SMALL MOBILE
   ========================================================= */

@media (max-width: 480px) {

    .sidebar-card {
        padding: 17px;
        border-radius: 12px;
    }


    .sidebar-card h3 {
        font-size: 17px;
    }


    .sidebar-card li a {
        font-size: 14px;
        padding: 10px;
    }


    .sidebar-cta p {
        font-size: 13px;
    }

}