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

body {
    font-family: Arial, sans-serif;
    background-color: #1A1D23;
    color: #FFFFFF;
    line-height: 1.6;
}

header {
    text-align: center;
    padding: 30px 20px; 
    background-color: #1C1F25;
}


header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

header p {
    font-size: 1.2em;
    color: #AAAAAA;
}

main {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

h2 {
    font-size: 2em;
    margin-bottom: 35px;
    text-align: center;
}

.gear-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.gear-card,
.device-card {
    background-color: #343A40;
    border-radius: 14px;
    padding: 25px 20px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.6);
    transition: 0.25s ease;
}

.gear-card:hover,
.device-card:hover {
    transform: translateY(-5px);
}

.gear-card img,
.device-card img {
    width: 110px;
    height: 110px;
    object-fit: contain;
    background: transparent !important;
    margin-bottom: 15px;
}

.device-card img {
    width: 130px;
    height: 130px;
}

.gear-card h3,
.device-card h3 {
    font-size: 1.25em;
    margin-bottom: 10px;
}

.gear-card p,
.device-card p {
    color: #BFBFBF;
    font-size: 0.95em;
    margin-bottom: 20px;
}

.explore-btn {
    padding: 10px 30px;
    background-color: #B7E40C;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.25s;
}

.explore-btn:hover {
    background-color: #A4CB0D;
}

.devices-section {
    margin-top: 65px;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #2C2C2C;
    color: #AAAAAA;
}

body {
    overflow-x: hidden;
}

body.menu-open {
    overflow: hidden;
}

header, main {
    transition: transform 0.5s ease-in-out;
    position: relative; 
    z-index: 1;
}

body.menu-open header, 
body.menu-open main {
    transform: translateX(-300px);
}

#dim-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    visibility: hidden;
    transition: background 0.5s, visibility 0.5s;
    z-index: 14; 
    pointer-events: none;
}

body.menu-open #dim-overlay {
    background: rgba(0, 0, 0, 0.4);
    visibility: visible;
    pointer-events: auto;
}

.menu-toggle {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 20;
}

.openbtn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    position: fixed;
    white-space: nowrap;
    vertical-align: middle;
    outline: 2px solid transparent;
    outline-offset: 2px;
    width: auto;
    opacity: 1;
    transition: opacity 0.3s ease;
    line-height: 1.2;
    border-radius: 0;
    font-weight: 600;
    transition-property: background-color, border-color, color;
    transition-duration: 0.2s;
    height: 2.5rem;
    min-width: 2.5rem;
    font-size: 1rem;
    padding-left: 1rem;
    padding-right: 1rem;
    color: inherit;
    top: 0;
    right: 0;
    background: #ffffff;
    color: #1a1d23;
    border: none;
    cursor: pointer;
}

.openbtn:hover {
    background: #f7f7f7;
}

.openbtn:active {
    background: #e8e8e8;
}

.openbtn svg {
    margin-right: 0.5rem;
    width: 1em;
    height: 1em;
    display: inline-block;
    line-height: 1em;
    flex-shrink: 0;
}

.overlay {
    height: 100%;
    width: 300px;
    position: fixed;
    z-index: 15; 
    top: 0;
    right: 0;
    background-color: rgba(26, 29, 35, 0.95); 
    overflow-x: hidden;
    transition: transform 0.5s ease-in-out; 
    transform: translateX(100%); /* Tersembunyi di kanan */
}

.overlay.open {
    transform: translateX(0); /* Muncul */
}

.overlay-content {
    position: relative; 
    top: 50px; 
    width: 100%;
    text-align: left;
    padding: 0 40px;
}

.menu-title {
    font-size: 2.5rem;
    color: #ffffff;
    margin-bottom: 25px;
    font-weight: 900;
}

.overlay a {
    padding: 10px 0;
    text-decoration: none;
    font-size: 1.5rem;
    color: #e0e0e0;
    display: block;
    transition: 0.3s;
    font-weight: 600;
}

.overlay-content .menu-title {
    text-align: left; 
}

.overlay a:hover, 
.overlay a:focus {
    color: #c9ff00;
}

.closebtn {
    position: absolute;
    top: -15px; 
    right: 5px;
    font-size: 40px;
    color: #ffffff;
    background: none;
    border: none;
    cursor: pointer;
}

/* --- RESPONSIVE ADJUSTMENTS --- */

/* Aturan ini akan berlaku untuk layar dengan lebar MAKSIMAL 1024px (termasuk tablet dan HP) */
@media (max-width: 1024px) {
    .gear-grid {
        /* Mengubah tata letak menjadi 2 kolom yang sama lebarnya */
        grid-template-columns: repeat(2, 1fr);
    }
    
    .devices-grid {
        /* Mengubah tata letak menjadi 2 kolom yang sama lebarnya */
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Opsional: Aturan ini berlaku untuk layar dengan lebar MAKSIMAL 768px (HP dan tablet vertikal) */
@media (max-width: 768px) {
    .gear-grid, 
    .devices-grid {
        /* Anda bisa menggunakan 1 kolom saja di layar yang sangat kecil jika diperlukan */
        /* grid-template-columns: 1fr; */
        
        /* Namun, 2 kolom biasanya terlihat baik. Mari kita pertahankan 2 kolom */
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Sekalian perbaiki masalah jarak vertical yang Anda keluhkan */
    header {
        /* Kurangi padding atas agar judul naik */
        padding: 20px 20px; 
    }

    main {
        /* Kurangi margin top main agar konten lebih dekat ke header */
        margin-top: 20px;
    }
}