/* VARIABLES DE DISEÑO FUTURISTA */
:root {
    --bg-color: #05050a;
    --card-bg: rgba(15, 15, 30, 0.65);
    --neon-cyan: #00f0ff;
    --neon-magenta: #ff0055;
    --text-main: #e0e0ea;
    --text-muted: #8a8a9e;
    --border-color: rgba(0, 240, 255, 0.2);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Rajdhani', sans-serif;
    letter-spacing: 1px;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Efecto de líneas de fondo futuristas */
.bg-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
    background-size: 100% 4px, 6px 100%;
    z-index: -1;
}

/* HEADER */
header {
    text-align: center;
    padding: 40px 20px 20px;
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    color: #fff;
    text-shadow: 0 0 10px var(--neon-cyan), 0 0 20px var(--neon-cyan);
}

.logo span {
    color: var(--neon-magenta);
    text-shadow: 0 0 10px var(--neon-magenta);
}

.subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-top: 5px;
}

/* CONTENEDOR PRINCIPAL */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* BUSCADOR Y FILTROS */
.search-section {
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.search-box {
    position: relative;
    width: 100%;
    max-width: 600px;
}

.search-box input {
    width: 100%;
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: #fff;
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.1rem;
    outline: none;
    transition: all 0.3s ease;
}

.search-box input:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

.filter-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-filter {
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
    padding: 8px 20px;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s;
    clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
}

.btn-filter.active, .btn-filter:hover {
    border-color: var(--neon-magenta);
    color: #fff;
    background: rgba(255, 0, 85, 0.1);
    box-shadow: 0 0 10px rgba(255, 0, 85, 0.3);
}

/* GRID DE TARJETAS */
.cars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

/* TARJETA DE AUTO (Efecto Holograma/Vidrio) */
.car-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: transform 0.4s, box-shadow 0.4s, border-color 0.4s;
    position: relative;
}

.car-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.2);
}

.car-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
}

.car-image-wrapper {
    width: 100%;
    height: 200px;
    background: #000;
    overflow: hidden;
    position: relative;
}

.car-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.car-card:hover .car-image-wrapper img {
    transform: scale(1.08);
}

.brand-badge {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.8);
    padding: 3px 10px;
    font-size: 0.8rem;
    font-family: 'Orbitron', sans-serif;
    color: var(--neon-cyan);
    border: 1px solid var(--neon-cyan);
}

.car-info {
    padding: 20px;
}

.car-model {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #fff;
}

/* ESPECIFICACIONES TÉCNICAS */
.specs-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    font-size: 0.9rem;
}

.spec-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 8px;
    border-left: 2px solid var(--neon-magenta);
}

.spec-label {
    color: var(--text-muted);
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.spec-value {
    font-weight: 600;
    color: #fff;
}

footer {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 0.8rem;
}