/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #00884A;
    /* Verde Esmeralda */
    --secondary: #FFCC29;
    /* Amarelo Ouro */
    --dark: #003366;
    /* Azul Marinho */
    --light: #F9F9F9;
    /* Off-White */
    --text: #333;
    --white: #ffffff;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--white);
}

h1,
h2,
h3,
h4 {
    font-family: 'Montserrat', sans-serif;
    color: var(--dark);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--secondary);
}

.bg-light {
    background-color: var(--light);
}

/* Header */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: 80px;
    display: flex;
    align-items: center;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 700;
}

.logo img {
    max-height: 50px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 600;
    color: var(--dark);
    transition: color 0.3s;
}

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

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
#hero {
    height: 100vh;
    background: url('../img/hero-bg.jpg') no-repeat center center/cover;
    /* Placeholder needed */
    background-color: var(--dark);
    /* Fallback */
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    margin-top: 0;
    /* Override if needed */
    padding-top: 80px;
    /* Header height */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 51, 102, 0.7);
    /* Azul Marinho com transparência */
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #ddd;
}

.btn-cta {
    display: inline-block;
    background-color: var(--secondary);
    color: var(--dark);
    padding: 1rem 2rem;
    font-weight: 700;
    border-radius: 50px;
    font-size: 1.1rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(255, 204, 41, 0.4);
}

/* Sobre Section */
.sobre-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sobre-text {
    text-align: center;
    max-width: 800px;
}

.pilares {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.pilar {
    flex: 1;
    min-width: 250px;
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

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

.pilar i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.pilar h3 {
    margin-bottom: 1rem;
    color: var(--dark);
}

/* Projetos Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

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

.project-img {
    height: 200px;
    background-color: #ddd;
    overflow: hidden;
}

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

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.project-info .location {
    display: block;
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
}

/* Contato Section */
.contact-wrapper {
    display: flex;
    gap: 4rem;
    flex-wrap: wrap;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-info h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.contact-info ul li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

.contact-info ul li i {
    color: var(--secondary);
    width: 20px;
}

.social-links {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--dark);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.3s;
}

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

.contact-form {
    flex: 1;
    min-width: 300px;
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background-color: #006637;
}

/* Footer */
footer {
    background-color: var(--dark);
    color: var(--white);
    text-align: center;
    padding: 2rem 0;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        text-align: center;
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: block;
    }

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

    .contact-wrapper {
        flex-direction: column;
        gap: 2rem;
    }
}

/* Timeline Section */
.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background-color: var(--secondary);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    right: -17px;
    background-color: var(--white);
    border: 4px solid var(--primary);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

.left {
    left: 0;
}

.right {
    left: 50%;
}

.left::before {
    content: " ";
    height: 0;
    position: absolute;
    top: 22px;
    width: 0;
    z-index: 1;
    right: 30px;
    border: medium solid white;
    border-width: 10px 0 10px 10px;
    border-color: transparent transparent transparent white;
}

.right::before {
    content: " ";
    height: 0;
    position: absolute;
    top: 22px;
    width: 0;
    z-index: 1;
    left: 30px;
    border: medium solid white;
    border-width: 10px 10px 10px 0;
    border-color: transparent white transparent transparent;
}

.right::after {
    left: -16px;
}

.timeline-item .content {
    padding: 20px 30px;
    background-color: white;
    position: relative;
    border-radius: 6px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.timeline-item .content h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

@media screen and (max-width: 600px) {
    .timeline::after {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .timeline-item::before {
        left: 60px;
        border: medium solid white;
        border-width: 10px 10px 10px 0;
        border-color: transparent white transparent transparent;
    }

    .left::after,
    .right::after {
        left: 15px;
    }

    .right {
        left: 0%;
    }
}