/* ====================================================
           SEMUA VARIABEL
           ==================================================== */
        :root {
            /* --- WARNA DASAR --- */
            --bg-dark: #0b0b0e;
            --bg-card: #16161c;
            --text-white: #ededee;
            --text-gray: #a0a0ab;
            --border-color: #2a2a33;

            /* --- WARNA AKSEN (WA) --- */
            --green-wa: #25d366;
            --green-hover: #1da851;

            /* --- UKURAN & JARAK --- */
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-full: 50px;
            --font-base: 1rem;
            --font-lg: 2rem;
            --font-xl: 2.2rem;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.8rem;
            --spacing-lg: 3rem;
            --spacing-xl: 4.5rem;

            /* --- EFEX --- */
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
            --transition: 0.3s ease;
        }

        /* ===== RESET ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-dark);
            color: var(--text-white);
            display: flex;
            min-height: 100vh;
            line-height: 1.6;
        }

        /* ====================================================
           SIDEBAR KIRI (STICKY)
           ==================================================== */
        .sidebar {
            width: 32%;
            min-height: 100vh;
            background: var(--bg-card);
            padding: var(--spacing-lg) var(--spacing-md);
            position: sticky;
            top: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            border-right: 1px solid var(--border-color);
            z-index: 10;
            gap: var(--spacing-sm);
        }

        .sidebar .avatar {
            width: 160px;
            height: 160px;
            border-radius: 50%;
            object-fit: cover;
            border: 4px solid var(--green-wa);
            box-shadow: 0 0 30px rgba(37, 211, 102, 0.15);
            transition: var(--transition);
        }
        .sidebar .avatar:hover {
            transform: scale(1.03);
            border-color: var(--text-white);
        }

        .sidebar h1 {
            font-size: var(--font-xl);
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-top: 0.2rem;
        }

        .sidebar .title {
            color: var(--green-wa);
            font-size: var(--font-base);
            font-weight: 400;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-top: -0.5rem;
        }

        .sidebar .bio-short {
            font-size: 0.9rem;
            color: var(--text-gray);
            max-width: 250px;
            margin: 0.2rem 0;
        }

        .sidebar .socials {
            display: flex;
            gap: var(--spacing-sm);
            margin: var(--spacing-xs) 0;
        }
        .sidebar .socials a {
            color: var(--text-gray);
            font-size: 1.3rem;
            transition: var(--transition);
        }
        .sidebar .socials a:hover {
            color: var(--green-wa);
            transform: translateY(-3px);
        }

        .btn-wa-side {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--green-wa);
            color: var(--bg-dark) !important;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            text-decoration: none;
            font-size: var(--font-base);
            margin-top: var(--spacing-xs);
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(37, 211, 102, 0.25);
        }
        .btn-wa-side:hover {
            background: var(--green-hover);
            transform: scale(1.04);
            box-shadow: 0 6px 30px rgba(37, 211, 102, 0.4);
        }

        .sidebar .footer-side {
            margin-top: auto;
            font-size: 0.7rem;
            color: var(--text-gray);
            opacity: 0.6;
            padding-top: var(--spacing-md);
        }

        /* ====================================================
           MAIN KONTEN (KANAN)
           ==================================================== */
        .main {
            width: 68%;
            padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg) var(--spacing-xl);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xl);
        }

        .section {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .section.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .section h2 {
            font-size: var(--font-lg);
            font-weight: 600;
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.5px;
            border-left: 5px solid var(--green-wa);
            padding-left: var(--spacing-sm);
        }

        .section p {
            color: var(--text-gray);
            max-width: 700px;
        }

        /* --- ABOUT --- */
        .about-grid {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin-top: var(--spacing-xs);
        }
        .about-grid .desc {
            flex: 2;
            min-width: 250px;
        }
        .about-grid .stats {
            flex: 1;
            min-width: 150px;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            background: var(--bg-card);
            padding: var(--spacing-md) var(--spacing-md);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
        }
        .about-grid .stats span {
            font-size: 0.85rem;
            color: var(--text-gray);
        }
        .about-grid .stats strong {
            font-size: var(--font-lg);
            color: var(--text-white);
            display: block;
            line-height: 1.2;
        }

        /* --- SKILLS --- */
        .skill-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .skill-tags span {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: 30px;
            font-size: 0.9rem;
            color: var(--text-gray);
            transition: var(--transition);
            cursor: default;
        }
        .skill-tags span:hover {
            border-color: var(--green-wa);
            color: var(--text-white);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(37, 211, 102, 0.08);
        }

        /* --- EXPERIENCE (TIMELINE) --- */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            margin-top: var(--spacing-xs);
        }
        .timeline-item {
            display: flex;
            gap: var(--spacing-sm);
            border-left: 2px solid var(--border-color);
            padding-left: var(--spacing-md);
            position: relative;
        }
        .timeline-item::before {
            content: '';
            width: 12px;
            height: 12px;
            background: var(--green-wa);
            border-radius: 50%;
            position: absolute;
            left: -7px;
            top: 4px;
            box-shadow: 0 0 20px rgba(37, 211, 102, 0.3);
        }
        .timeline-item .year {
            min-width: 110px;
            font-weight: 600;
            color: var(--green-wa);
            font-size: 0.95rem;
        }
        .timeline-item .content h3 {
            font-size: 1.15rem;
        }
        .timeline-item .content .company {
            color: var(--text-gray);
            font-size: 0.9rem;
            margin-bottom: 0.3rem;
        }
        .timeline-item .content p {
            font-size: 0.9rem;
            color: var(--text-gray);
        }

        /* --- PROJECTS (GRID) --- */
        .project-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-xs);
        }
        .project-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .project-card:hover {
            transform: translateY(-8px);
            border-color: var(--green-wa);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
        }
        .project-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .project-card .info {
            padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-md);
        }
        .project-card .info h3 {
            font-size: 1.1rem;
            margin-bottom: 0.3rem;
        }
        .project-card .info p {
            font-size: 0.85rem;
            color: var(--text-gray);
            margin-bottom: 0.8rem;
        }
        .project-card .info .tech {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
        }
        .project-card .info .tech span {
            background: var(--bg-dark);
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.7rem;
            color: var(--text-gray);
            border: 1px solid var(--border-color);
        }

        /* --- KONTAK & FOOTER --- */
        .contact-box {
            background: var(--bg-card);
            padding: var(--spacing-xl) var(--spacing-lg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            text-align: center;
            margin-top: var(--spacing-xs);
        }
        .contact-box h2 {
            border-left: none;
            padding-left: 0;
            text-align: center;
        }
        .contact-box p {
            margin: 0 auto var(--spacing-sm) auto;
        }

        .btn-wa-big {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: var(--green-wa);
            color: var(--bg-dark) !important;
            font-weight: 700;
            padding: 18px 48px;
            border-radius: 60px;
            text-decoration: none;
            font-size: 1.15rem;
            transition: var(--transition);
            box-shadow: 0 4px 30px rgba(37, 211, 102, 0.2);
        }
        .btn-wa-big:hover {
            background: var(--green-hover);
            transform: scale(1.04);
            box-shadow: 0 8px 40px rgba(37, 211, 102, 0.35);
        }

        .contact-email {
            margin-top: var(--spacing-sm);
            color: var(--text-gray);
            font-size: 0.95rem;
        }
        .contact-email a {
            color: var(--text-white);
            text-decoration: none;
            border-bottom: 1px dashed var(--border-color);
        }
        .contact-email a:hover {
            color: var(--green-wa);
        }

        .footer-end {
            text-align: center;
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--border-color);
            margin-top: var(--spacing-sm);
            color: var(--text-gray);
            font-size: 0.8rem;
            opacity: 0.6;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
        }
        .footer-end .social-small a {
            color: var(--text-gray);
            margin: 0 0.6rem;
            font-size: var(--font-base);
            transition: var(--transition);
        }
        .footer-end .social-small a:hover {
            color: var(--green-wa);
        }

        /* ====================================================
           RESPONSIVE
           ==================================================== */
        @media (max-width: 900px) {
            body { flex-direction: column; }
            .sidebar {
                width: 100%;
                min-height: auto;
                position: relative;
                padding: var(--spacing-md) var(--spacing-sm);
                border-right: none;
                border-bottom: 1px solid var(--border-color);
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
                gap: 0.8rem;
            }
            .sidebar .avatar { width: 100px; height: 100px; }
            .sidebar h1 { font-size: 1.6rem; width: 100%; }
            .sidebar .title { font-size: 0.85rem; width: 100%; }
            .sidebar .bio-short { display: none; }
            .sidebar .socials { gap: 0.8rem; }
            .btn-wa-side { padding: 10px 22px; font-size: 0.85rem; }
            .sidebar .footer-side { display: none; }
            .main { width: 100%; padding: var(--spacing-md) var(--spacing-sm); gap: var(--spacing-lg); }
            .about-grid { flex-direction: column; }
            .timeline-item { flex-direction: column; gap: 0.2rem; padding-left: var(--spacing-sm); }
            .contact-box { padding: var(--spacing-md) var(--spacing-sm); }
            .btn-wa-big { padding: 14px 28px; font-size: var(--font-base); }
            .project-grid { grid-template-columns: 1fr; }
        }