/* Variáveis de cores e estilos */
:root {
    --primary-color: #0056b3;
    --secondary-color: #003366;
    --accent-color: #ff9900;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --text-color: #333333;
    --border-radius: 5px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --container-width-xl: 1200px;
    --container-width-lg: 992px;
    --container-width-md: 768px;
    --container-width-sm: 576px;
    --header-height: 80px;
    --footer-height: 300px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: var(--container-width-xl);
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

p {
    margin-bottom: 15px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

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

section {
    padding: 80px 0;
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    position: relative;
}

section h2:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--accent-color);
    margin: 15px auto 0;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

header.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.98);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    margin-right: 10px;
}

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 0;
    color: var(--secondary-color);
}

.logo p {
    font-size: 0.9rem;
    margin-bottom: 0;
    color: var(--primary-color);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    color: var(--dark-color);
    font-weight: 500;
    position: relative;
}

nav ul li a:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

nav ul li a:hover:after,
nav ul li a.active:after {
    width: 100%;
}

.menu-mobile {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-color);
}

nav.active ul {
    display: flex;
}

/* Hero Section */
.hero {
    height: 100vh;
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../img/hero-placeholder.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    margin-top: 0;
    padding-top: 0;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

/* Sobre Section */
.sobre-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.sobre-text {
    flex: 1;
}

.sobre-img {
    flex: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

/* Diferenciais Section */
.diferenciais {
    background-color: var(--light-color);
}

.diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.diferencial-item {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.diferencial-item:hover {
    transform: translateY(-10px);
}

.diferencial-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.diferencial-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* Infraestrutura Section */
.infraestrutura-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.infraestrutura-img {
    flex: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.infraestrutura-list {
    flex: 1;
}

.infra-item {
    margin-bottom: 25px;
}

.infra-item h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* Localização Section */
.localizacao {
    background-color: var(--light-color);
}

.localizacao-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.localizacao-text {
    flex: 1;
}

.localizacao-destaque {
    list-style: none;
    margin-top: 20px;
}

.localizacao-destaque li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.localizacao-destaque i {
    color: var(--accent-color);
    margin-right: 10px;
}

.localizacao-map {
    flex: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    height: 400px;
}

/* Galeria Section */
.galeria-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.galeria-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    height: 250px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.galeria-item:hover {
    transform: scale(1.03);
}

.galeria-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.galeria-item .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.galeria-item:hover .overlay {
    opacity: 1;
}

.galeria-item .overlay i {
    color: white;
    font-size: 2rem;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.lightbox img {
    max-width: 100%;
    max-height: 90vh;
}

.close-lightbox {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 2rem;
    cursor: pointer;
}

/* Contato Section */
.contato {
    background-color: var(--light-color);
}

.contato-content {
    display: flex;
    gap: 40px;
}

.contato-form {
    flex: 2;
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: var(--border-radius);
    margin-top: 20px;
}

.contato-info {
    flex: 1;
    background-color: var(--primary-color);
    color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.info-item i {
    font-size: 1.5rem;
    margin-right: 15px;
}

.social-media {
    margin-top: 30px;
    display: flex;
    gap: 15px;
}

.social-media a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.social-media a:hover {
    background-color: white;
    color: var(--primary-color);
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.footer-logo p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-links h4,
.footer-newsletter h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-links ul li a:hover {
    color: white;
}

.footer-newsletter form {
    display: flex;
}

.footer-newsletter input {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.footer-newsletter button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 0 15px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    cursor: pointer;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Scroll to top button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-top.active {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background-color: var(--secondary-color);
}

/* Animações */
.animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate.show {
    opacity: 1;
    transform: translateY(0);
}

/* Responsividade */
@media (max-width: 1200px) {
    .container {
        max-width: var(--container-width-lg);
    }
    
    .hero h2 {
        font-size: 3rem;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: var(--container-width-md);
    }
    
    .diferenciais-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sobre-content,
    .infraestrutura-content,
    .localizacao-content {
        flex-direction: column;
    }
    
    .sobre-img,
    .infraestrutura-img,
    .localizacao-map {
        margin-top: 30px;
        width: 100%;
    }
    
    .contato-content {
        flex-direction: column;
    }
    
    .contato-info {
        margin-top: 30px;
    }
    
    .footer-content {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .footer-logo,
    .footer-links,
    .footer-newsletter {
        flex-basis: 100%;
    }
    
    .hero h2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: var(--container-width-sm);
    }
    
    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    }
    
    nav ul li {
        margin: 10px 0;
    }
    
    .menu-mobile {
        display: block;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .galeria-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    section h2 {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    section {
        padding: 60px 0;
    }
    
    .hero {
        height: 80vh;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .diferenciais-grid {
        grid-template-columns: 1fr;
    }
    
    .galeria-grid {
        grid-template-columns: 1fr;
    }
    
    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .footer-newsletter form {
        flex-direction: column;
    }
    
    .footer-newsletter input {
        border-radius: var(--border-radius);
        margin-bottom: 10px;
    }
    
    .footer-newsletter button {
        border-radius: var(--border-radius);
        padding: 10px;
    }
}

/* Melhorias de acessibilidade */
:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Modo escuro (opcional) */
@media (prefers-color-scheme: dark) {
    body.dark-mode {
        background-color: #121212;
        color: #f0f0f0;
    }
    
    body.dark-mode header {
        background-color: rgba(18, 18, 18, 0.95);
    }
    
    body.dark-mode .logo h1,
    body.dark-mode nav ul li a {
        color: #f0f0f0;
    }
    
    body.dark-mode .diferencial-item,
    body.dark-mode .contato-form {
        background-color: #1e1e1e;
        color: #f0f0f0;
    }
    
    body.dark-mode .diferenciais,
    body.dark-mode .localizacao,
    body.dark-mode .contato {
        background-color: #181818;
    }
}