:root {
    --primary-color: #003366; /* Azul Escuro da Marinha */
    --secondary-color: #F5F5F5; /* Fundo Cinza Claro */
    --text-color-dark: #212121; /* Texto Principal */
    --text-color-light: #FFFFFF; /* Texto Claro */
    --accent-color: #C8102E; /* Vermelho Vivo - Botões e Destaques */
    --highlight-color: #90EE90; /* Dourado - Destaque de links */
    --shadow: 0 4px 15px rgba(0,0,0,0.1);
}

body {
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--secondary-color);
    color: var(--text-color-dark);
    line-height: 1.8;
}

/* --- Hero Section (Página Inicial) --- */
.hero {
    background-color: var(--primary-color);
    background-image: linear-gradient(rgba(0, 51, 102, 0.9), rgba(0, 51, 102, 0.9)), url('https://picsum.photos/1920/1080?city');
    background-size: cover;
    background-position: center;
    color: var(--text-color-light);
    text-align: center;
    padding: 0;
}

.header-small {
    background-color: var(--primary-color);
    color: var(--text-color-light);
    padding: 1.5rem 0;
}

.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: auto;
    padding: 0 2rem;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.8em;
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1rem;
}

.nav-button {
    display: inline-block;
    background-color: transparent;
    color: var(--highlight-color);
    padding: 10px 20px;
    text-decoration: none;
    border: 2px solid var(--highlight-color);
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.nav-button:hover {
    background-color: var(--highlight-color);
    color: var(--primary-color);
}

.hero-content {
    padding: 8rem 2rem;
}

.hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 4em;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 700;
}

.welcome-text {
    font-size: 1.2em;
    max-width: 800px;
    margin: 1rem auto 2rem;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* --- Conteúdo Principal --- */
.page-container {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.section-container {
    background-color: var(--text-color-light);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.section-container:nth-of-type(even) {
    background-color: var(--secondary-color);
}

.section-container:nth-child(2) {
  background-color: var(--text-color-light);
}

.text-center {
    text-align: center;
}

.image-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
}

.gallery-img {
    width: 100%;
    max-width: 350px;
    height: auto;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease-in-out;
    object-fit: cover;
    aspect-ratio: 4/3;
}

.gallery-img:hover {
    transform: scale(1.05);
}

h2 {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary-color);
    font-size: 2.5em;
    font-weight: 700;
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

h3 {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary-color);
    font-size: 1.5em;
    margin-top: 2rem;
}

ul {
    list-style: none;
    padding-left: 0;
}

li {
    background-color: #f0f0f0;
    margin-bottom: 1rem;
    padding: 1rem;
    border-radius: 8px;
    border-left: 5px solid var(--accent-color);
    color: var(--text-color-dark);
}

/* --- Botões de Ação --- */
.action-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--text-color-light);
    padding: 14px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: none;
}

.action-button:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.secondary-button {
    background-color: transparent;
    color: var(--text-color-light);
    border: 2px solid var(--text-color-light);
}

.secondary-button:hover {
    background-color: var(--text-color-light);
    color: var(--accent-color);
    transform: translateY(-3px);
}

.button-group {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* --- Secção de Contato --- */
.contact-section {
    display: flex;
    gap: 2rem;
    background-color: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    margin: 2rem auto;
}

.map-container {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
}

.contact-link {
    color: var(--primary-color);
    text-decoration: underline;
}

/* --- Rodapé --- */
.footer {
    background-color: var(--primary-color);
    color: var(--text-color-light);
    text-align: center;
    padding: 2rem 0;
}

.footer a {
    color: var(--highlight-color);
    text-decoration: none;
    font-weight: bold;
}

.footer a:hover {
    text-decoration: underline;
}

.copyright {
    margin-top: 1rem;
    font-size: 0.9em;
}

/* --- Responsividade --- */
@media (max-width: 768px) {
    .nav-bar {
        flex-direction: column;
    }
    .nav-links {
        margin-top: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    .hero h1 {
        font-size: 2.5em;
    }
    .welcome-text {
        font-size: 1em;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    .section-container {
        flex-direction: column !important;
    }
    .contact-section {
        flex-direction: column;
    }
    .image-gallery {
        justify-content: center;
    }
}