:root {
        --iron-red: #1c8b00;
        --iron-dark-red: #024a00;
        --iron-gold: #FFD700;
        --arc-blue: #2bff00;
        --arc-glow: rgba(102, 255, 0, 0.6);
        --panel-bg: rgba(6, 20, 5, 0.95);
    }

    body {
        margin: 0;
        background-color: #0a0a0a00;
        font-family: 'Segoe UI', Roboto, sans-serif;
        color: #ffffff;
    }

    .iron-header {
        position: relative;
        background: linear-gradient(135deg, var(--iron-dark-red) 0%, var(--iron-red) 60%, #002a07 100%);
        border-bottom: 2px solid var(--iron-gold);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), 0 0 15px rgba(0, 255, 13, 0.2);
        padding: 10px 20px;
    }

    .header-container {
        max-width: 1300px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 15px;
        flex-wrap: wrap;
    }

    .bolt {
        position: absolute;
        width: 12px;
        height: 12px;
        background: radial-gradient(circle, #aaa 30%, #333 80%);
        border: 1px solid #111;
        border-radius: 50%;
        box-shadow: inset 0 0 2px #000, 0 0 3px rgba(255, 255, 255, 0.3);
        z-index: 10;
    }

    .bolt::after {
        content: '';
        position: absolute;
        top: 3px;
        left: 1px;
        width: 5px;
        height: 1px;
        background: #111;
        transform: rotate(45deg);
    }

    .bolt.top-left {
        top: 4px;
        left: 6px;
    }

    .bolt.top-right {
        top: 4px;
        right: 6px;
    }

    .bolt.bottom-left {
        bottom: 4px;
        left: 6px;
    }

    .bolt.bottom-right {
        bottom: 4px;
        right: 6px;
    }

    .logo-section {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .arc-reactor-logo {
        width: 24px;
        height: 24px;
        border: 2px solid var(--arc-blue);
        border-radius: 50%;
        box-shadow: 0 0 8px var(--arc-glow), inset 0 0 8px var(--arc-glow);
        animation: arcPulse 2s infinite alternate;
        flex-shrink: 0;
    }

    @keyframes arcPulse {
        0% {
            transform: scale(0.95);
            box-shadow: 0 0 4px var(--arc-glow);
        }

        100% {
            transform: scale(1.05);
            box-shadow: 0 0 12px var(--arc-glow);
        }
    }

    .brand-text {
        display: flex;
        flex-direction: column;
    }

    .brand-title {
        font-size: 1.1rem;
        font-weight: 900;
        letter-spacing: 1.5px;
        color: #fff;
        text-shadow: 0 0 8px var(--arc-glow);
        line-height: 1;
    }

    .brand-subtitle {
        font-size: 0.62rem;
        color: var(--iron-gold);
        letter-spacing: 0.5px;
        margin-top: 3px;
    }

    /* --- SEARCH BAR --- */
    .search-bar {
        position: relative;
        flex: 1;
        max-width: 400px;
        min-width: 200px;
    }

    .search-bar input {
        width: 100%;
        padding: 6px 14px 6px 34px;
        background: rgba(0, 0, 0, 0.4);
        border: 1px solid rgba(255, 215, 0, 0.4);
        border-radius: 20px;
        color: #fff;
        font-size: 0.82rem;
        outline: none;
        transition: all 0.3s ease;
        box-sizing: border-box;
    }

    .search-bar input:focus {
        border-color: var(--arc-blue);
        box-shadow: 0 0 10px var(--arc-glow);
        background: rgba(0, 0, 0, 0.7);
    }

    .search-icon {
        position: absolute;
        left: 12px;
        top: 50%;
        transform: translateY(-50%);
        color: #aaa;
        font-size: 0.8rem;
    }

    .right-menu {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .lang-dropdown {
        position: relative;
    }

    .lang-btn {
        background: rgba(0, 0, 0, 0.5);
        border: 1px solid var(--iron-gold);
        color: #fff;
        padding: 5px 10px;
        border-radius: 6px;
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 0.8rem;
        transition: all 0.2s ease;
    }

    .lang-btn:hover {
        border-color: var(--arc-blue);
        box-shadow: 0 0 8px var(--arc-glow);
    }

    .arrow-icon {
        font-size: 0.65rem;
        transition: transform 0.3s ease;
    }

    .lang-menu {
        display: none;
        position: absolute;
        top: 120%;
        right: 0;
        background: #150505;
        border: 1px solid var(--iron-gold);
        border-radius: 6px;
        width: 150px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.8);
        z-index: 100;
        overflow: hidden;
    }

    .lang-menu.show {
        display: block;
    }

    .lang-item {
        padding: 8px 10px;
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.8rem;
        color: #ddd;
        cursor: pointer;
        transition: background 0.2s ease;
    }

    .lang-item:hover,
    .lang-item.active {
        background: var(--iron-red);
        color: #fff;
    }

    /* Notifikasi */
    .notification-btn {
        position: relative;
        font-size: 1rem;
        color: #fff;
        cursor: pointer;
        padding: 4px;
    }

    .notification-dot {
        position: absolute;
        top: 2px;
        right: 2px;
        width: 7px;
        height: 7px;
        background-color: var(--arc-blue);
        border-radius: 50%;
        box-shadow: 0 0 6px var(--arc-blue);
    }

    /* Auth Buttons Container */
    .auth-buttons {
        display: flex;
        align-items: center;
    }

    .btn-ironman {
        position: relative;
        display: inline-block;
        padding: 6px 16px;
        font-size: 12px;
        font-weight: 800;
        text-transform: uppercase;
        letter-spacing: 0.8px;
        color: #534949 !important;
        background: linear-gradient(135deg, #08cc18 0%, #8ae535 50%, #42d32f 100%);
        border: 1.5px solid #ffd700;
        border-radius: 6px;
        cursor: pointer;
        overflow: hidden;
        text-decoration: none;
        box-shadow: 0 0 10px rgba(255, 215, 0, 0.5), inset 0 0 6px rgba(255, 215, 0, 0.3);
        animation: ironmanPulse 1.8s infinite ease-in-out;
        transition: all 0.3s ease;
        white-space: nowrap;
    }

    .btn-ironman::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: linear-gradient(45deg,
                transparent 30%,
                rgba(255, 255, 255, 0.8) 50%,
                transparent 70%);
        transform: rotate(45deg);
        animation: ironmanShine 3s infinite;
    }

    @keyframes ironmanPulse {
        0% {
            box-shadow: 0 0 8px rgba(94, 229, 53, 0.8), 0 0 12px rgba(255, 215, 0, 0.4);
            transform: scale(1);
        }

        50% {
            box-shadow: 0 0 18px rgb(59, 229, 53), 0 0 25px rgba(255, 215, 0, 0.8);
            transform: scale(1.03);
            border-color: #fffffd;
        }

        100% {
            box-shadow: 0 0 8px rgba(53, 229, 68, 0.8), 0 0 12px rgba(255, 215, 0, 0.4);
            transform: scale(1);
        }
    }

    @keyframes ironmanShine {
        0% {
            left: -100%;
        }

        20% {
            left: 100%;
        }

        100% {
            left: 100%;
        }
    }

    .btn-ironman:hover {
        background: linear-gradient(135deg, #e5ad35 0%, #89ff52 100%);
        color: #fff !important;
        box-shadow: 0 0 20px #ffd700, 0 0 30px #45ff17;
        transform: scale(1.05);
    }

    /* --- RESPONSIVE MEDIA QUERIES --- */
    @media (max-width: 868px) {
        .iron-header {
            padding: 8px 12px;
        }

        .header-container {
            gap: 10px;
        }

        .search-bar {
            order: 3;
            flex: 100%;
            max-width: 100%;
            margin-top: 2px;
        }

        .right-menu {
            gap: 8px;
        }

        .brand-title {
            font-size: 1rem;
        }

        .brand-subtitle {
            display: none;
            /* Sembunyikan subtitle di layar kecil */
        }

        .btn-ironman {
            padding: 5px 12px;
            font-size: 11px;
        }
    }

    @media (max-width: 480px) {
        .brand-title {
            font-size: 0.9rem;
            letter-spacing: 1px;
        }

        .arc-reactor-logo {
            width: 20px;
            height: 20px;
        }

        .lang-btn {
            padding: 4px 6px;
            font-size: 0.75rem;
        }

        .btn-ironman {
            padding: 4px 10px;
            font-size: 10px;
        }
    }