/* --- Cores e Variáveis --- */
:root {
    --primary-color: #2b3c2c;
    /* Azul Escuro */
    --accent-color: #e07719;
    /* Laranja */
    --accent-hover: #E65F00;
    --dark-bg: #1A1A1A;
    --text-main: #333333;
    --bg-light: #F4F7F6;
}

/* --- Global --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Arial, sans-serif;
}

body {
    font-family: Arial, sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    background-color: #fff;
    overflow-x: hidden; /* Evita rolagem horizontal indesejada */
}

/* --- Navegação --- */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

img {
    max-width: 100%;
    height: auto;
}

.logo {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.btn-cta {
    background-color: var(--accent-color);
    color: #fff !important;
    padding: 8px 20px;
    border-radius: 4px;
    transition: 0.3s;
}

/* --- Conteúdo --- */
section {
    padding: 60px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

/* --- Formulários --- */
.form-container {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 8px;
    max-width: 600px;
    margin: 0 auto;
    border-top: 5px solid var(--accent-color);
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

input,
textarea,
select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    background: var(--primary-color);
    color: #fff;
    border: none;
    padding: 15px 30px;
    cursor: pointer;
    border-radius: 4px;
    font-weight: 700;
    width: 100%;
    transition: 0.3s;
}

button:hover {
    background: var(--accent-color);
}

/* --- Footer --- */
footer {
    background: var(--dark-bg);
    color: #fff;
    text-align: center;
    padding: 30px;
    margin-top: 50px;
}

/* Estilo para o link do logo */
.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

/* Controle da imagem do logo */
.nav-logo {
    height: 50px;
    /* Ajuste esta altura conforme o design do seu logo */
    width: auto;
    /* Mantém a proporção original */
    display: block;
    transition: transform 0.3s ease;
}

/* Efeito suave ao passar o rato (opcional) */
.nav-logo:hover {
    transform: scale(1.05);
}

/* Ajuste para dispositivos móveis */
@media (max-width: 768px) {
    .nav-logo {
        height: 40px;
        /* Logo ligeiramente menor em telemóveis */
    }
}

/* --- Brand Colors & Variables --- */
:root {
    --primary-color: #2b3c2c;
    /* Dark Blue */
    --accent-color: #e07719;
    /* Vibrant Orange */
    --accent-hover: #E65F00;
    /* Darker Orange for hover states */
    --dark-bg: #1A1A1A;
    /* Footer Background */
    --text-main: #333333;
    /* Main Body Text */
    --bg-light: #F4F7F6;
    /* Section Background */
}

/* --- Global Reset & Typography --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    color: var(--text-main);
    line-height: 1.6;
}

/* --- Navigation Bar --- */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: -1px;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links li a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 15px;
    transition: color 0.3s ease;
}

.nav-links li a:hover {
    color: var(--accent-color);
}

.btn-portal {
    background-color: var(--accent-color);
    color: #ffffff !important;
    padding: 10px 24px;
    border-radius: 4px;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.btn-portal:hover {
    background-color: var(--accent-hover);
}

/* --- Hero Header Section --- */
header {
    /* Updated to use the new Dark Blue for the overlay */
    background: linear-gradient(rgba(43, 61, 45, 0.88), rgba(43, 61, 45, 0.88)),
        url('slider.png') center/cover;
    color: #ffffff;
    padding: 120px 5%;
    text-align: center;
}

header h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

header p {
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto 30px;
    font-weight: 300;
}

/* --- Main Content Sections --- */
section {
    padding: 80px 5%;
}

.section-title {
    text-align: center;
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 40px;
    font-weight: 700;
}

/* About Us */
.about-content {
    padding: 0 5%;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    font-size: 18px;
    color: #555;
}

/* Locations / Contact Cards */
.locations-section {
    background-color: var(--bg-light);
}

.locations-grid {
    padding: 0 5%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.card {
    background: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    width: 100%;
    max-width: 450px;
    border-top: 5px solid var(--accent-color);
    transition: transform 0.3s ease;
    margin-bottom: 20px;
}

.card:hover {
    transform: translateY(-5px);
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 24px;
}

.card p {
    margin-bottom: 12px;
    font-size: 15px;
    color: #666;
    display: flex;
    align-items: flex-start;
}

.card strong {
    color: var(--text-main);
    min-width: 80px;
    display: inline-block;
}

/* --- Footer --- */
footer {
    background-color: var(--dark-bg);
    color: #ffffff;
    text-align: center;
    padding: 40px 5%;
}

footer p {
    font-size: 14px;
    opacity: 0.7;
}

/* --- Responsive Design for Mobile --- */
@media (max-width: 768px) {
    .nav-links {
        margin-top: 15px;
        flex-direction: column;
        gap: 10px;
    }

    nav {
        display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: #fff;
    }

    header h1 {
        font-size: 32px;
    }

    header p {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }
}

/* Realça campos inválidos apenas quando o utilizador começa a escrever */
input:focused:invalid,
select:focused:invalid {
    border: 2px solid #ff4d4d;
}

/* Realça campos válidos */
input:valid:not(:placeholder-shown) {
    border: 2px solid #2ecc71;
}

/* Estilo para a mensagem de erro do ficheiro */
#fileError {
    font-weight: bold;
    margin-top: 5px;
}

.step {
  padding: 20px;
  border: 1px solid #ccc;
}