:root {
    --bg-main: #020617;
    --bg-card: rgba(15, 23, 42, 0.6);
    --bg-image-container: #0a0f1c;
    --border-color: #1e293b;
    --border-hover: rgba(56, 189, 248, 0.4);
    --text-main: #f8fafc;
    --text-sub: #94a3b8;
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.2);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-logo h1 {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box svg {
    position: absolute;
    left: 12px;
}

.search-box input {
    background: #0f172a;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    border-radius: 6px;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    width: 250px;
    transition: all 0.2s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.nav-btn {
    text-decoration: none;
    color: var(--text-sub);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    transition: color 0.2s;
}

.nav-btn:hover {
    color: var(--accent);
}

/* Main Content */
.gallery-main {
    flex: 1;
    padding: 3rem 2rem;
    display: flex;
    justify-content: center;
}

.gallery-content {
    max-width: 1400px;
    width: 100%;
}

.gallery-header-info {
    margin-bottom: 3rem;
}

.gallery-header-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.gallery-header-info p {
    color: var(--text-sub);
    max-width: 700px;
    line-height: 1.6;
    font-size: 1rem;
}

/* Grid Layout */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 2rem;
}

/* Circuit Card */
.circuit-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    backdrop-filter: blur(4px);
}

.circuit-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 0 20px 0 var(--accent-glow);
}

.card-image-container {
    background: var(--bg-image-container);
    width: 100%;
    aspect-ratio: 4 / 3;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.4s ease;
}

.circuit-card:hover .card-image {
    transform: scale(1.03);
}

.card-details {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-category {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-sub);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.category-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.card-description {
    font-size: 0.9rem;
    color: var(--text-sub);
    line-height: 1.5;
    margin-bottom: 1.5rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-sub);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s ease;
    cursor: pointer;
    width: 100%;
}

.circuit-card:hover .card-action {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(56, 189, 248, 0.05);
}

/* Responsive */
@media (max-width: 768px) {
    .gallery-header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    .search-box input {
        width: 100%;
    }
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}