/* Reset e variáveis CSS */
:root {
    --primary: #0056b3;
    --primary-dark: #003d82;
    --primary-darker: #003366;
    --secondary: #28a745;
    --light: #f8f9fa;
    --dark: #333;
    --gray: #6c757d;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

h1, h2, h3, h4 {
    margin-bottom: 1rem;
    line-height: 1.2;
}

p {
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: var(--secondary);
}

.btn-secondary:hover {
    background: #218838;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary);
    margin: 15px auto 0;
    border-radius: 2px;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    padding: 100px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

header:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23003d82" fill-opacity="0.2" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,192C1248,192,1344,128,1392,96L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center;
}

.header-content {
    position: relative;
    z-index: 1;
}

header h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
    opacity: 0;
    animation: fadeInDown 1s ease forwards;
}

.tagline {
    font-size: 1.4rem;
    margin-bottom: 30px;
    opacity: 0.9;
    opacity: 0;
    animation: fadeInUp 1s ease 0.3s forwards;
}

.header-btns {
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

/* Navegação */
nav {
    background: var(--primary-darker);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    color: var(--white);
    font-weight: 700;
    font-size: 1.5rem;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 5px 0;
    position: relative;
}

.nav-menu a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

.nav-menu a:hover:after,
.nav-menu a.active:after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
    color: var(--white);
    font-size: 1.5rem;
}

/* Hero Section */
#inicio {
    padding: 0;
}

.hero {
    background: linear-gradient(rgba(0, 84, 179, 0.9), rgba(0, 61, 130, 0.9)), url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 120px 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
}

/* Seção de Serviços */
#servicos {
    background: var(--white);
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.servico-item {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border-top: 4px solid var(--primary);
}

.servico-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.servico-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.servico-item h3 {
    color: var(--primary);
    margin-bottom: 15px;
}

.servico-item ul {
    list-style: none;
    text-align: left;
}

.servico-item li {
    padding: 8px 0;
    border-bottom: 1px solid #e9ecef;
    position: relative;
    padding-left: 25px;
}

.servico-item li:before {
    content: "✓";
    color: var(--secondary);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Seção Sobre */
#sobre {
    background: var(--light);
}

.sobre-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.sobre-text h2 {
    color: var(--primary);
}

.sobre-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.sobre-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

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

.valores {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.valor-item {
    text-align: center;
    padding: 20px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.valor-item i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 15px;
}

/* Seção de Contato */
#contato {
    background: var(--primary);
    color: var(--white);
}

#contato .section-title:after {
    background: var(--white);
}

.contato-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

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

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.info-item i {
    font-size: 1.2rem;
    margin-top: 5px;
}

.contato-form {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.contato-form h3 {
    color: var(--primary);
    margin-bottom: 20px;
    text-align: center;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.2);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* Footer */
footer {
    background: var(--primary-darker);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

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

.footer-column a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--white);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #ccc;
}

/* Animações */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsivo */
@media (max-width: 992px) {
    .sobre-content,
    .contato-content {
        grid-template-columns: 1fr;
    }
    
    .sobre-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: var(--primary-darker);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
        gap: 0;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu li {
        margin: 15px 0;
    }

    .hamburger {
        display: block;
    }

    header h1 {
        font-size: 2.5rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    section {
        padding: 60px 0;
    }
}

@media (max-width: 576px) {
    header h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.1rem;
    }

    .hero {
        padding: 80px 0;
    }

    .servicos-grid {
        grid-template-columns: 1fr;
    }
}