* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: #f4f6f9;
    color: #333;
    line-height: 1.6;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background-color: #1e3a8a;
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
    align-items: center;
    flex-wrap: wrap;
}

nav ul li {
    display: flex;
    align-items: center;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 1rem;
    padding: 8px 12px;
    border-radius: 6px;
}

nav ul li a:hover {
    /* background-color: rgba(255, 255, 255, 0.1); */
	background-color: rgba(255, 255, 255, 0.15);
    transition: background-color 0.3s ease;
}

nav ul li a:visited {
    color: white;
    text-decoration: none;
}

nav ul li form {
    display: flex;
    gap: 10px;
    align-items: center;
}

nav ul li form input {
    /* 
	padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 0.9rem;
	*/
	padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid #ccc;
    font-size: 0.8rem;
    width: 120px;
}

nav ul li form button {
    padding: 6px 12px;
    background-color: #3b82f6;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.3s ease;
}

nav ul li form button:hover {
    background-color: #2563eb;
}

#login-result {
    margin-left: 10px;
    font-size: 0.85rem;
    color: #fff;
}

.hero, .how-it-works {
    padding: 60px 20px;
    max-width: 900px;
    margin: auto;
    text-align: center;
}

.hero {
    background-color: #eef2ff;
}

.hero h1 {
    font-size: 2.0rem;
    margin-bottom: 20px;
}

.hero p {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.validation-box {
    margin-top: 20px;
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.validation-box input {
    padding: 12px;
    width: 250px;
    border-radius: 8px;
    border: 1px solid #ccc;
}

.validation-box button {
    padding: 12px 20px;
    background-color: #1e3a8a;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.validation-box button:hover {
    background-color: #162f6a;
}

#validation-result {
    margin-top: 20px;
    font-weight: bold;
    font-size: 1.1rem;
}

.how-it-works h2 {
    font-size: 2rem;
    margin-bottom: 30px;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    margin-top: 30px;
}

.step {
    flex: 1 1 200px;
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.step span {
    font-size: 2rem;
}

.step p {
    margin-top: 10px;
    font-size: 1rem;
}

footer {
    background-color: #1e3a8a;
    color: white;
    padding: 20px;
    margin-top: 50px;
    text-align: center;
    font-size: 0.8rem; /* menor e discreto */
    opacity: 0.8; /* um leve desvanecimento para suavizar */
    font-weight: 300; /* deixa a fonte mais fina */
}

/* Contato */
main.contato {
    padding: 60px 20px;
    max-width: 700px;
    margin: auto;
}

main.contato h1 {
    margin-bottom: 20px;
    font-size: 2rem;
    color: #1e3a8a;
    text-align: center;
}

main.contato p {
    margin-bottom: 30px;
    text-align: center;
    font-size: 1.1rem;
}

.form-contato {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-contato .campo {
    display: flex;
    flex-direction: column;
}

.form-contato label {
    margin-bottom: 5px;
    font-weight: 500;
    color: #1e3a8a;
}

.form-contato input,
.form-contato textarea {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 1rem;
    background-color: #fff;
}

.form-contato button {
    padding: 12px 20px;
    background-color: #1e3a8a;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    /* align-self: flex-end; */
	align-self: center;
    transition: background-color 0.3s ease;
}

.form-contato button:hover {
    background-color: #162f6a;
}

.info-contato {
    margin-top: 40px;
    text-align: center;
    font-size: 1rem;
    color: #555;
}

.info-contato p {
    margin: 8px 0;
}

.info-contato i {
    margin-right: 8px;
    color: #1e3a8a;
}

/* Página Validação */
main.certificado {
    padding: 60px 20px;
    max-width: 800px;
    margin: auto;
    text-align: center;
}

main.certificado h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #16a34a;
}

main.certificado p {
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.detalhes-certificado, .observacoes {
    background: #fff;
    padding: 20px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
    text-align: left;
}

.detalhes-certificado h2,
.observacoes h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #1e3a8a;
}

.detalhes-certificado ul {
    list-style: none;
    padding: 0;
    line-height: 2;
    font-size: 1rem;
}

.observacoes p {
    font-size: 1rem;
    line-height: 1.8;
}

.btn-voltar {
    display: inline-block;
    padding: 12px 20px;
    background-color: #1e3a8a;
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.btn-voltar:hover {
    background-color: #162f6a;
}

/* Responsivo */
@media (max-width: 1024px) {
    header {
        flex-direction: column;
        gap: 15px;
    }
	
	.menu-toggle {
        display: block;
	}	

    nav ul {
        flex-direction: column;
        gap: 15px;
    }

    nav ul li form {
        flex-direction: column;
        gap: 5px;
    }

    nav ul li form input, 
    nav ul li form button {
        width: 100%;
    }

    .validation-box {
        flex-direction: column;
    }

    .hero h1 {
        font-size: 2rem;
    }
}

main.sobre {
    padding: 60px 20px;
    max-width: 900px;
    margin: auto;
}

main.sobre h1, h2 {
    margin-bottom: 20px;
    color: #1e3a8a;
}

main.sobre p {
    margin-bottom: 20px;
    font-size: 1rem;
    line-height: 1.8;
}

main.sobre ul {
    margin-bottom: 30px;
    padding-left: 20px;
}

main.sobre ul li {
    margin-bottom: 10px;
}

main.sobre a {
    color: #3b82f6;
    text-decoration: none;
}

main.sobre a:hover {
    text-decoration: underline;
}