/* --- CSS Variables and Base Styles --- */
:root {
    /* New color palette from logo */
    --dark-gray-bg: #303132;
    --gold: #BFA15F;
    --light-text: #E1E1E1;
    
    /* Original colors for other elements */
    --dark-blue: #0A2239;
    --graphite-gray: #333333;
    --white: #FFFFFF;

    /* Fonts */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    --header-height: 80px;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--graphite-gray);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Custom Cursor for Desktop */
.custom-cursor {
    display: none; /* Hidden by default, enabled via JS for desktop */
    position: fixed;
    width: 25px;
    height: 25px;
    border: 2px solid rgba(191, 161, 95, 0.5); /* Gold color */
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background-color 0.2s;
    z-index: 9999;
}

.custom-cursor.hovered {
    width: 40px;
    height: 40px;
    background-color: rgba(191, 161, 95, 0.2);
    border-color: rgba(191, 161, 95, 0.5);
}

/* --- Utility and General Styles --- */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    color: var(--dark-blue);
    font-weight: 700;
}

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

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--gold);
    margin: 0.5rem auto 0;
    border-radius: 2px;
}

.cta-button {
    display: inline-block;
    background-color: var(--gold);
    color: var(--dark-gray-bg);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-family: var(--font-body);
    transition: background-color 0.3s, transform 0.3s;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: #a98e54; /* Darker gold for hover */
    transform: translateY(-3px);
}

/* --- Header --- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: var(--dark-gray-bg); /* Updated background */
    z-index: 1000;
    transition: box-shadow 0.3s;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

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

.logo-link {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo-img {
    height: 40px;
    width: auto;
}

.main-nav .nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-nav a {
    text-decoration: none;
    color: var(--light-text); /* Updated text color */
    font-weight: 600;
    position: relative;
    padding: 0.5rem 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--gold);
    transition: width 0.3s;
}

.main-nav a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--light-text); /* Updated icon color */
    cursor: pointer;
}

/* --- Hero Section --- */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    background: url('fundo.jpeg') no-repeat center center/cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 34, 57, 0.5); 
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 1rem;
    text-shadow: none;
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    opacity: 0.9;
    text-shadow: none;
}

/* --- Sections General Padding --- */
.services-section, .about-section, .contact-section, .about-company-section, .gallery-section, .gallery-page-section {
    padding: 6rem 0;
}

/* --- Services Section --- */
.services-section {
    background-color: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--white);
    padding: 2.5rem 2rem;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 3rem;
    color: var(--gold);
    margin-bottom: 1.5rem;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* --- About Company Section --- */
.about-company-section {
    background-color: var(--white);
    background-image: url('https://www.transparenttextures.com/patterns/old-paper.png');
}

.about-company-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 3rem;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-image {
    flex: 1;
    min-width: 300px;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

/* --- About Engineers Section --- */
.about-section {
    background-color: #f8f9fa;
}

.engineers-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4rem;
    margin-top: 3rem;
}

.engineer-profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 350px;
}

.engineer-photo {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--dark-blue);
    margin-bottom: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.engineer-profile:nth-child(1) .engineer-photo {
    border-color: var(--gold);
}

.engineer-name {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

/* --- Gallery Section --- */
.gallery-page-section {
    background-color: var(--white);
    background-image: url('https://www.transparenttextures.com/patterns/old-paper.png');
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* --- Contact Section --- */
.contact-section {
    background-color: var(--dark-gray-bg);
    text-align: center;
}

.contact-section .section-title,
.contact-section .contact-subtitle {
    color: var(--light-text);
}

.contact-subtitle {
    max-width: 600px;
    margin: -2rem auto 3rem;
    opacity: 0.8;
}

.contact-profile-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.engineer-cta-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--gold);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.whatsapp-button {
    background-color: #25D366;
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: transform 0.3s, background-color 0.3s;
}

.whatsapp-button:hover {
    transform: translateY(-5px);
    background-color: #128C7E;
}

.whatsapp-button i {
    font-size: 1.5rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #555;
    background-color: #444;
    color: var(--light-text);
    font-family: var(--font-body);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #999;
}

.contact-form button {
    align-self: center;
    margin-top: 1rem;
}

/* --- Footer --- */
.main-footer {
    background-color: var(--dark-gray-bg);
    color: var(--light-text);
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
}

.footer-logo {
    max-width: 80%; /* Garante que a logo não ultrapasse o container */
    height: auto; /* Mantém a proporção */
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.copyright {
    font-size: 0.9rem;
    opacity: 0.7;
}

.social-links a {
    color: var(--light-text);
    font-size: 1.5rem;
    transition: color 0.3s, transform 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.social-links a:hover,
.social-links a:hover span {
    color: var(--gold);
    transform: scale(1.05);
}

.social-links a span {
    font-size: 1rem;
    font-family: var(--font-body);
    transition: color 0.3s;
}


/* --- Image Modal (Lightbox) --- */
.modal {
    display: none;
    position: fixed;
    z-index: 1010;
    padding-top: 60px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.9);
}

.modal-content {
    margin: auto;
    display: block;
    width: 90%; /* Ajustado para telas menores */
    max-width: 900px;
    animation-name: zoom;
    animation-duration: 0.6s;
}

@keyframes zoom {
    from {transform:scale(0)}
    to {transform:scale(1)}
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
}

.close-modal:hover,
.close-modal:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}


/* --- Responsive Design (Mobile-First approach) --- */

/* Tablets and small desktops */
@media (min-width: 768px) {
    .section-title {
        font-size: 3rem;
    }

    .hero-title {
        font-size: 4.5rem;
    }
}

/* Mobile menu adjustments */
@media (max-width: 767px) {
    :root {
        --header-height: 70px;
    }

    .hero-section {
        background: var(--dark-gray-bg) url('fundocel.jpeg') no-repeat center center/cover;
    }
    
    .menu-toggle {
        display: block;
        z-index: 1001;
        position: relative;
    }

    .main-nav .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        width: 70%;
        height: 100vh;
        background-color: var(--dark-gray-bg); /* Updated mobile menu background */
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
        z-index: 1000; /* Garante que o painel fique abaixo do botão de menu */
    }

    .main-nav .nav-links.active {
        transform: translateX(0);
    }
    
    .main-nav .nav-links a {
        color: var(--light-text);
        font-size: 1.2rem;
    }

    .hero-title {
        font-size: 2.2rem; /* Reduzido para melhor ajuste */
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .whatsapp-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-company-content {
        flex-direction: column;
    }
}