body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #003366 100%);
    color: white;
    text-align: center;
    padding: 30px 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h1 {
    margin: 0;
    font-size: 2.5em;
    font-weight: 300;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

main {
    padding: 40px 20px;
}

section {
    margin-bottom: 60px;
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #333;
    text-align: center;
    font-size: 1.8em;
    font-weight: 400;
    margin-bottom: 20px;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.galeria {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
    justify-items: center;
}

.galeria img,
.galeria video {
    width: 100%;
    height: auto;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    border-radius: 10px;
    padding: 0;
    background-color: white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.galeria img:hover,
.galeria video:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.modal img {
    max-width: 90%;
    max-height: 90%;
    cursor: pointer;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

@media (max-width: 768px) {
    .galeria {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    section {
        padding: 20px;
    }

    h1 {
        font-size: 2em;
    }

    h2 {
        font-size: 1.5em;
    }
}