/* HEAD.CSS - Regras compartilhadas do header entre index.html e sobre.html */

header {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 15px;
    flex-shrink: 0;
}

header h1 {
    margin: 0;
    text-align: center;
}

nav {
    width: 100%;
    display: flex;
    justify-content: center;
}

/* Botões do header (links) */
nav .btn {
    background-color: #0099ff;
    color: #fff;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: bold;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

nav .btn:hover {
    background: linear-gradient(90deg, #0099ff 0%, #ff8800 100%);
    color: #ffffff;
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 8px 24px rgba(0,153,255,0.12), 0 4px 10px rgba(255,136,0,0.08);
    text-decoration: none;
}

nav .btn:focus {
    outline: 2px solid #0099ff;
    outline-offset: 2px;
}

/* Ajustes responsivos do header */
@media (max-width: 768px) {
    header {
        padding: 10px;
    }

    header h1 {
        font-size: 1.5em;
    }

    nav .btn {
        padding: 6px 12px;
        font-size: 0.9em;
    }
}

/* Fim - head.css */