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

/* Fonte e fundo */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fa;
    color: #222;
    line-height: 1.6;
    max-width: 900px;
    margin: 20px auto;
    padding: 15px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 35px;
}

header h1 {
    color: #004e89;
    font-weight: 700;
    margin-bottom: 8px;
}

header p {
    font-size: 1.1rem;
    color: #107dac;
}

/* Navegação */
nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-bottom: 30px;
}

nav a {
    text-decoration: none;
    color: #107dac;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 6px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

nav a:hover {
    background-color: #107dac;
    color: white;
    border-color: #004e89;
}

/* Seções */
section {
    background-color: white;
    border-radius: 10px;
    padding: 25px 20px;
    margin-bottom: 30px;
    box-shadow: 0 3px 15px rgba(16, 125, 172, 0.2);
}

section h2 {
    color: #004e89;
    margin-bottom: 20px;
    font-weight: 700;
}

/* Projetos */
.projeto {
    border: 1.8px solid #107dac;
    border-radius: 8px;
    padding: 18px;
    margin-bottom: 18px;
    cursor: pointer;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.projeto:hover {
    background-color: #d0e8fc;
    box-shadow: 0 5px 15px rgba(16, 125, 172, 0.4);
}

.projeto h3 {
    margin-bottom: 6px;
    color: #003a63;
}

/* Formulário */
form {
    display: flex;
    flex-direction: column;
}

form input, form textarea {
    padding: 12px;
    margin-bottom: 18px;
    border-radius: 7px;
    border: 1.5px solid #ccc;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.3s ease;
}

form input:focus, form textarea:focus {
    border-color: #107dac;
    outline: none;
}

form button {
    width: 120px;
    background-color: #107dac;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 7px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s ease;
    align-self: flex-start;
}

form button:hover {
    background-color: #004e89;
}

/* Mensagem resposta */
#resposta {
    margin-top: 12px;
    font-weight: 600;
}

/* Rodapé */
footer {
    text-align: center;
    margin-top: 40px;
    font-size: 0.9rem;
    color: #555;
}

/* Responsividade */
@media (max-width: 600px) {
    nav ul {
        flex-direction: column;
        gap: 12px;
    }
}