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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #fff9c4;
    background-image: url('https://cdn-icons-png.flaticon.com/512/2910/2910791.png');
    background-repeat: repeat;
    background-size: 100px;
    color: #333;
}

header {
    background: linear-gradient(to right, #ffd700, #fff176);
    color: #000;
    text-align: center;
    padding: 30px 15px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 2.2em;
    margin-bottom: 10px;
}

header p {
    font-size: 1em;
}

.subtitulo {
    background-color: rgba(255, 255, 255, 0.95);
    text-align: center;
    padding: 20px;
    font-size: 1.2em;
    font-weight: bold;
    color: #444;
    border-top: 2px solid #ffd700;
    border-bottom: 2px solid #ffd700;
}

main {
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.9);
    max-width: 1200px;
    margin: auto;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.grid a {
    background: #fff8e1;
    border: 1px solid #f9c802;
    border-radius: 12px;
    text-align: center;
    padding: 20px 10px;
    text-decoration: none;
    color: #000;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.grid a:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.grid img {
    width: 100%;
    max-width: 120px;
    height: auto;
    margin-bottom: 15px;
    border-radius: 8px;
    object-fit: cover;
}

.grid p {
    font-size: 1em;
    font-weight: bold;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #ffd700;
    color: #000;
    font-weight: bold;
    border-top: 3px solid #fbc02d;
    margin-top: 30px;
}