* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    }

    :root {
        --primary: #2563eb;
        --secondary: #0F52BA;
        --accent: #60a5fa;
        --dark: #0f172a;
        --gray-900: #1e293b;
        --gray-700: #334155;
        --gray-500: #64748b;
        --gray-300: #cbd5e1;
        --gray-100: #f1f5f9;
        --white: #ffffff;
        --orange: #f97316;
    }

    body {
        background: var(--white);
        color: var(--gray-900);
        scroll-behavior: smooth;
        font-size: 15px;
        line-height: 1.6;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
    }

    /* Header */
    header {
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 1000;
        background: transparent;
        transition: all 0.3s ease;
        padding: 1rem 0;
    }

    header.scrolled {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    }

    .header-container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 2rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .logo img {
        height: 40px;
        transition: all 0.3s ease;
        filter: brightness(0) invert(1);
    }

    header.scrolled .logo img {
        filter: none;
        height: 36px;
    }

    #nav-menu {
        display: flex;
        gap: 0.5rem;
        align-items: center;
    }

    #nav-menu a {
        color: var(--white);
        text-decoration: none;
        padding: 0.5rem 1rem;
        border-radius: 8px;
        font-size: 14px;
        font-weight: 500;
        transition: all 0.2s ease;
        position: relative;
    }

    header.scrolled #nav-menu a {
        color: var(--gray-700);
    }

    #nav-menu a:hover {
        background: rgba(255, 255, 255, 0.1);
    }

    header.scrolled #nav-menu a:hover {
        background: var(--gray-100);
        color: var(--primary);
    }

    #nav-menu a.active {
        background: var(--white);
        color: var(--primary);
    }

    header.scrolled #nav-menu a.active {
        background: var(--primary);
        color: var(--white);
    }

    .hamburger {
        display: none;
        flex-direction: column;
        gap: 4px;
        cursor: pointer;
        padding: 0.5rem;
    }

    .close-icon {
        display: none;
        font-size: 1.4rem;
        color: var(--gray-900);
    }

    /* Interactive hover effects for hamburger */
    .hamburger:hover .bar {
        background: #ef4444 !important; /* red hover */
        transform: scaleX(1.15);
    }

    .hamburger:hover .close-icon {
        color: #ef4444 !important; /* red hover */
        transform: rotate(90deg);
    }

    .hamburger.active .bar {
        display: none !important;
    }

    .hamburger.active .close-icon {
        display: block !important;
    }

    .hamburger span {
        width: 24px;
        height: 2px;
        background: var(--white);
        transition: all 0.3s ease;
        border-radius: 2px;
    }

    header.scrolled .hamburger span {
        background: var(--gray-900);
    }

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

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

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

    .desktop-user {
        font-size: 1.9rem;
        color: var(--white);
        display: flex;
        align-items: center;
    }
    .guest-popup {
        position: absolute;
        top: 70px;
        right: 2rem;
        background: var(--white);
        padding: 0.75rem 1rem;
        border-radius: 10px;
        box-shadow: 0 8px 25px rgba(0,0,0,0.12);
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--gray-900);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px);
        transition: all 0.25s ease;
        z-index: 9999;
    }
    .guest-popup.show {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }
    header.scrolled .desktop-user {
        color: var(--gray-900);
    }

    .mobile-user {
        display: none;
        width: 100%;
        text-align: center;
        padding: 1rem 0;
        font-size: 1rem;
        font-weight: 600;
        border-top: 1px solid var(--gray-100);
        color: var(--gray-900);
    }

    .mobile-user i {
        margin-right: 0.5rem;
    }

    /* Hero Section */
    .hero {
        position: relative;
        min-height: 100vh;
        display: flex;
        align-items: center;
        background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(37, 99, 235, 0.85) 100%), 
                    url('../img/IMG_4416.jpg') center/cover;
        background-attachment: fixed;
    }

    .hero-container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 2rem;
        width: 100%;
    }

    .hero-content {
        max-width: 800px;
        animation: fadeInUp 0.8s ease;
    }

    .hero h1 {
        font-size: 4rem;
        font-weight: 700;
        color: var(--white);
        margin-bottom: 1rem;
        line-height: 1.2;
        letter-spacing: -0.02em;
    }

    .hero p {
        font-size: 1.1rem;
        color: rgba(255, 255, 255, 0.9);
        margin-bottom: 2rem;
        line-height: 1.6;
    }

    .hero-buttons {
        display: flex;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        border-radius: 8px;
        font-size: 14px;
        font-weight: 600;
        text-decoration: none;
        transition: all 0.3s ease;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        cursor: pointer;
        border: none;
    }

    .btn-primary {
        background: var(--white);
        color: var(--primary);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
    }

    .btn-download {
        background: var(--orange);
        color: var(--white);
        padding: 0.75rem 1.5rem;
        border-radius: 8px;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 14px;
        font-weight: 600;
        transition: all 0.3s ease;
        box-shadow: 0 4px 15px rgba(249, 115, 22, 0.25);
    }

    .btn-download i {
        font-size: 1.1rem;
    }

    .btn-download:hover {
        background: #ea580c;
        transform: translateY(-2px);
        box-shadow: 0 10px 25px rgba(249, 115, 22, 0.3);
    }

    /* Services Section */
    .services-section {
        padding: 5rem 2rem;
        background: var(--gray-100);
    }

    .section-container {
        max-width: 1280px;
        margin: 0 auto;
    }

    .section-header {
        text-align: center;
        margin-bottom: 3rem;
    }

    .section-header h2 {
        font-size: 2rem;
        font-weight: 700;
        color: var(--gray-900);
        margin-bottom: 0.5rem;
        letter-spacing: -0.02em;
    }

    .section-header p {
        font-size: 1rem;
        color: var(--gray-500);
        max-width: 600px;
        margin: 0 auto;
    }

    .services-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }

    .service-card {
        background: var(--white);
        padding: 2rem;
        border-radius: 12px;
        transition: all 0.3s ease;
        border: 1px solid var(--gray-300);
    }

    .service-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        border-color: var(--primary);
    }

    .service-card i {
        font-size: 2.5rem;
        color: var(--primary);
        margin-bottom: 1rem;
        display: block;
    }

    .service-card h3 {
        font-size: 1.1rem;
        font-weight: 600;
        color: var(--gray-900);
        margin-bottom: 0.5rem;
    }

    .service-card p {
        font-size: 0.9rem;
        color: var(--gray-500);
        line-height: 1.6;
    }

    .services-button {
        text-align: center;
        margin-top: 2.5rem;
    }

    .btn-secondary {
        background: var(--primary);
        color: var(--white);
    }

    .btn-secondary:hover {
        background: var(--secondary);
        transform: translateY(-2px);
        box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
    }

    /* Clients Section */
    .clients-section {
        padding: 5rem 2rem;
        background: var(--white);
    }

    .clients-logos {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 3rem;
        flex-wrap: wrap;
    }

    .clients-logos img {
        max-height: 60px;
        opacity: 0.6;
        filter: grayscale(100%);
        transition: all 0.3s ease;
    }

    .clients-logos img:hover {
        opacity: 1;
        filter: grayscale(0%);
        transform: scale(1.05);
    }

    /* Footer - REDESIGNED */
    footer {
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
        color: rgba(255, 255, 255, 0.9);
        padding: 3rem 2rem 1.5rem;
        position: relative;
        overflow: hidden;
    }

    footer::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    }

    .footer-main {
        max-width: 1280px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: 200px 1fr auto;
        gap: 3rem;
        align-items: center;
        margin-bottom: 2rem;
    }

    .footer-logo img {
        height: 50px;
        filter: brightness(0) invert(1);
        transition: all 0.3s ease;
    }

    .footer-logo img:hover {
        transform: scale(1.05);
    }

    .footer-nav {
        display: flex;
        justify-content: center;
        gap: 2rem;
        flex-wrap: wrap;
    }

    .footer-nav a {
        color: var(--white);
        text-decoration: none;
        font-size: 0.95rem;
        font-weight: 500;
        padding: 0.25rem 0;
        position: relative;
    }

    .footer-nav a::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--white);
    }

    .footer-nav a:hover::after {
        width: 100%;
    }

    .footer-social {
        display: flex;
        gap: 1rem;
        align-items: center;
    }

    .footer-social a {
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.15);
        border-radius: 50%;
        color: var(--white);
        text-decoration: none;
        font-size: 1.1rem;
        transition: all 0.3s ease;
        backdrop-filter: blur(10px);
    }

    .footer-social a:hover {
        background: var(--white);
        color: var(--primary);
        transform: translateY(-3px);
        box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
    }

    .footer-bottom {
        max-width: 1280px;
        margin: 0 auto;
        text-align: center;
        padding-top: 2rem;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
        color: rgba(255, 255, 255, 0.8);
        font-size: 0.85rem;
    }

    .footer-bottom p {
        margin: 0;
    }

    /* Animations */
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .fade-in {
        opacity: 0;
        transform: translateY(30px);
        transition: all 0.6s ease;
    }

    .fade-in.appear {
        opacity: 1;
        transform: translateY(0);
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .hero {
            background-attachment: scroll;
        }

        .footer-main {
            grid-template-columns: 1fr;
            gap: 2rem;
            text-align: center;
        }

        .footer-logo {
            display: flex;
            justify-content: center;
        }

        .footer-nav {
            justify-content: center;
        }

        .footer-social {
            justify-content: center;
        }
    }

    @media (max-width: 768px) {
        .hamburger {
            display: flex;
            position: fixed;
            top: 1rem;
            right: 1.2rem;
            z-index: 1100;
        }
        .close-icon {
            color: var(--gray-900);
            font-size: 2rem;
        }

        /* Mobile-specific hover/active effects */
        .hamburger:active .bar,
        .hamburger:active .close-icon {
            color: #ef4444 !important;
            background: #ef4444 !important;
            transform: scale(1.2);
        }

        #nav-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: var(--white);
            flex-direction: column;
            justify-content: center;
            gap: 0;
            padding: 2rem;
        }

        #nav-menu.active {
            display: flex;
        }

        #nav-menu a {
            width: 100%;
            padding: 1rem;
            text-align: center;
            color: var(--gray-900);
            border-bottom: 1px solid var(--gray-100);
        }

        #nav-menu a:hover {
            background: var(--gray-100);
        }

        #nav-menu a.active {
            background: var(--primary);
            color: var(--white);
        }

        .desktop-user {
            display: none !important;
        }

        .mobile-user {
            display: block;
        }

        .hero h1 {
            font-size: 2.5rem;
        }

        .hero p {
            font-size: 1rem;
        }

        .hero-buttons {
            flex-direction: column;
        }

        .btn {
            width: 100%;
            justify-content: center;
        }

        .section-header h2 {
            font-size: 1.5rem;
        }

        .footer-nav {
            flex-direction: column;
            gap: 1rem;
        }

        .footer-nav a {
            font-size: 0.9rem;
        }
    }

    @media (max-width: 480px) {
        .header-container {
            padding: 0 1rem;
        }

        .hero {
            min-height: 70vh;
        }

        .hero h1 {
            font-size: 1.5rem;
        }

        .hero p {
            font-size: 0.95rem;
        }

        .services-section,
        .clients-section {
            padding: 3rem 1rem;
        }

        .service-card {
            padding: 1.5rem;
        }

        .clients-logos {
            gap: 1.5rem;
        }

        .clients-logos img {
            max-height: 50px;
        }

        footer {
            padding: 2rem 1rem 1rem;
        }

        .footer-logo img {
            height: 40px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            font-size: 1rem;
        }
    }

            /* ── WARNING POPUP OVERLAY ── */
        .warning-overlay {
            position: fixed;
            inset: 0;
            background: rgba(10, 10, 20, 0.65);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            padding: 16px;
            animation: warnFadeIn 0.35s ease forwards;
        }

        .warning-overlay.hide {
            animation: warnFadeOut 0.25s ease forwards;
        }

        @keyframes warnFadeIn {
            from { opacity: 0; }
            to   { opacity: 1; }
        }

        @keyframes warnFadeOut {
            from { opacity: 1; }
            to   { opacity: 0; }
        }

        /* ── MODAL CARD ── */
        .warning-modal {
            background: #ffffff;
            border-radius: 16px;
            /* Rasio 632x356 — lebar max 632px, tinggi proporsional */
            width: 100%;
            max-width: 632px;
            overflow: hidden;
            box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
            animation: warnSlideUp 0.4s cubic-bezier(0.22, 0.68, 0, 1.2) forwards;
        }

        @keyframes warnSlideUp {
            from { opacity: 0; transform: translateY(28px) scale(0.97); }
            to   { opacity: 1; transform: translateY(0)    scale(1);    }
        }

        /* ── IMAGE WRAPPER — rasio 632:356 ── */
        .warning-image-wrap {
            width: 100%;
            aspect-ratio: 679 / 381;
            overflow: hidden;
            background: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .warning-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        /* ── BODY TEXT ── */
        .warning-body {
            padding: 20px 24px 8px;
            border-top: 3px solid #c0001a;
        }

        .warning-body .warn-title {
            font-family: 'Inter', sans-serif;
            font-size: 0.78rem;
            font-weight: 700;
            color: #c0001a;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        .warning-body p {
            font-family: 'Inter', sans-serif;
            font-size: 0.88rem;
            color: #374151;
            line-height: 1.65;
            margin: 0;
        }

        /* ── FOOTER / TOMBOL ── */
        .warning-footer {
            padding: 14px 24px 20px;
            display: flex;
            justify-content: flex-end;
        }

        .btn-warn-close {
            background: linear-gradient(135deg, #c0001a, #8b0000);
            color: #ffffff;
            border: none;
            padding: 10px 32px;
            border-radius: 8px;
            font-family: 'Inter', sans-serif;
            font-size: 0.875rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            cursor: pointer;
            transition: transform 0.15s ease, box-shadow 0.15s ease;
            box-shadow: 0 4px 14px rgba(192, 0, 26, 0.35);
        }

        .btn-warn-close:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(192, 0, 26, 0.45);
        }

        .btn-warn-close:active {
            transform: translateY(0);
        }

        /* ── RESPONSIVE ── */
        @media (max-width: 480px) {
            .warning-modal {
                border-radius: 12px;
            }

            .warning-body {
                padding: 16px 18px 6px;
            }

            .warning-body p {
                font-size: 0.82rem;
            }

            .warning-footer {
                padding: 12px 18px 16px;
            }

            .btn-warn-close {
                width: 100%;
                justify-content: center;
            }
        }