:root {
    --primary: #e2ff00; /* Amarillo Neón */
    --bg: #0a0a0a;
    --text: #ffffff;
    --card-bg: #1a1a1a;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    scroll-behavior: smooth;
}

/* Navegación */
header {
    padding: 20px 50px;
    position: fixed;
    width: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Oswald', sans-serif;
    font-size: 1.5rem;
    letter-spacing: 2px;
    color: var(--primary);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li a {
    color: white;
    text-decoration: none;
    margin-left: 30px;
    font-weight: bold;
    transition: 0.3s;
}

nav ul li a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), 
                url('https://images.unsplash.com/photo-1513151233558-d860c5398176?auto=format&fit=crop&w=1500&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

h1 {
    font-family: 'Oswald', sans-serif;
    font-size: 4rem;
    line-height: 1;
}

.highlight {
    color: var(--primary);
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    background: var(--primary);
    color: black;
    text-decoration: none;
    font-weight: 900;
    margin-top: 20px;
    text-transform: uppercase;
    transition: 0.3s transform;
}

.btn:hover {
    transform: scale(1.05);
}

/* Galería */
#gallery {
    padding: 100px 50px;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    text-align: center;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.art-card {
    background: var(--card-bg);
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.art-card img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: 0.5s;
    filter: grayscale(100%);
}

.art-card:hover img {
    filter: grayscale(0%);
    transform: scale(1.1);
}

/* Formulario */
#contact {
    padding: 100px 20px;
    background: #111;
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

form {
    display: flex;
    flex-direction: column;
}

input, textarea {
    padding: 15px;
    margin-bottom: 15px;
    background: #222;
    border: 1px solid #333;
    color: white;
}

footer {
    text-align: center;
    padding: 40px;
    font-size: 0.8rem;
    color: #555;
}