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

:root {
    --primary-color: #4CAF50; /* Verde Principal da Logo */
    --secondary-color: #00796B; /* Azul/Verde Secundário da Logo */
    --accent-color: #8BC34A; /* Verde de Destaque da Logo */
    --background-dark: #F5F5F5; /* Cinza claro para fundo */
    --background-darker: #FFFFFF; /* Branco para seções */
    --text-white: #333333; /* Cinza escuro para texto principal */
    --text-gray: #666666; /* Cinza médio para texto secundário */
    --text-muted: #999999; /* Cinza mais claro para texto muted */
    --shadow-glow: 0 5px 15px rgba(0, 0, 0, 0.1); /* Sombra suave */
    --shadow-glow-green: 0 5px 15px rgba(0, 0, 0, 0.1); /* Sombra suave */
}

body {
    font-family: 'Exo 2', sans-serif;
    background-color: var(--background-dark);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--background-darker);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo h1 {
    font-family: 'Exo 2', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-white);
}

.logo-accent {
    color: var(--primary-color);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

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

.nav-link {
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-white);
    margin: 3px 0;
    transition: 0.3s;
}

.hero {
    height: 80vh; /* Menor altura */
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--background-darker); /* Fundo mais claro */
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("images/recycling_facility_1.jpg") center/cover; /* Imagem mais realista */
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7); /* Overlay mais suave */
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: 0 2rem;
    z-index: 1;
}

.hero-title {
    font-family: 'Exo 2', sans-serif; /* Fonte mais limpa */
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--text-white); /* Cor de texto padrão */
}

.text-gradient {
    background: none; /* Remover gradiente */
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
    color: var(--primary-color); /* Usar cor primária */
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px; /* Bordas menos arredondadas */
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--background-darker);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); /* Sombra mais suave */
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--background-darker);
    box-shadow: var(--shadow-glow);
}

/* Hero Particles Animation */
.hero-particles {
    display: none; /* Remover partículas */
}

.stats {
    padding: 5rem 0;
    background: var(--background-darker);
    position: relative;
}

.stats::before {
    content: 
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: none; /* Remover linha */
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
    border-radius: 10px; /* Bordas menos arredondadas */
    background: var(--background-dark);
    border: 1px solid rgba(0, 0, 0, 0.1); /* Borda mais suave */
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); /* Sombra mais suave */
    border-color: var(--primary-color);
}

.stat-number {
    font-family: inherit; /* Usar fonte padrão */
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-gray);
    font-size: 1.1rem;
    font-weight: 500;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(74, 144, 226, 0.1); /* Usar primary-color com opacidade */
    color: var(--primary-color);
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border: 1px solid rgba(74, 144, 226, 0.3);
}

.section-title {
    font-family: inherit; /* Usar fonte padrão */
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: none; /* Remover gradiente */
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
    color: var(--text-white); /* Usar cor de texto padrão */
}

.section-description {
    color: var(--text-gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: 6rem 0;
    background: var(--background-dark);
}

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

.service-card {
    padding: 2.5rem;
    background: var(--background-darker);
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: 
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: none; /* Remover efeito de brilho */
    transition: none;
}

.service-card:hover::before {
    left: 0;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); /* Sombra mais suave */
    border-color: var(--primary-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--primary-color); /* Cor sólida */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--background-darker); /* Cor do ícone */
}

.service-icon svg {
    width: 40px;
    height: 40px;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.service-description {
    color: var(--text-gray);
    line-height: 1.6;
}

.about {
    padding: 6rem 0;
    background: var(--background-dark);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text .section-tag {
    margin-bottom: 1rem;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-description {
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-icon {
    width: 30px;
    height: 30px;
    background: var(--secondary-color); /* Cor sólida */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--background-darker);
    font-weight: bold;
    flex-shrink: 0;
}

.feature-content h4 {
    color: var(--text-white);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.feature-content p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 10px; /* Bordas menos arredondadas */
    border: 2px solid rgba(0, 0, 0, 0.1); /* Borda mais suave */
}

/* Materials Section */
.materials {
    padding: 6rem 0;
    background: var(--background-dark);
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.material-card {
    background: var(--background-darker);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.material-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.material-image {
    height: 200px;
    overflow: hidden;
}

.material-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.material-card:hover .material-image img {
    transform: scale(1.05); /* Efeito de zoom mais suave */
}

.material-content {
    padding: 1.5rem;
}

.material-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.material-list {
    list-style: none;
}

.material-list li {
    color: var(--text-gray);
    padding: 0.3rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.material-list li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-size: 0.8rem;
}

.notice {
    background: rgba(80, 227, 194, 0.1); /* Usar secondary-color com opacidade */
    border: 1px solid rgba(80, 227, 194, 0.3);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
}

.notice-content h4 {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.notice-content p {
    color: var(--text-gray);
}

.process {
    padding: 6rem 0;
    background: var(--background-dark);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
    position: relative;
    background: var(--background-darker);
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.step-number {
    font-family: inherit;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

.step-content h3 {
    font-size: 1.5rem;
    color: var(--text-white);
    margin-bottom: 1rem;
}

.step-content p {
    color: var(--text-gray);
    font-size: 1.1rem;
}

.contact {
    padding: 6rem 0;
    background: var(--background-darker);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--background-dark);
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.contact-icon {
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
    color: var(--primary-color);
}

.contact-item h4 {
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-gray);
}

.contact-form {
    background: var(--background-dark);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--background-darker);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: var(--text-white);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(74, 144, 226, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.footer {
    background: var(--background-dark);
    padding: 3rem 0 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo h3 {
    font-family: inherit;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-logo p {
    color: var(--text-gray);
}

.footer-links h4,
.footer-contact h4 {
    color: var(--text-white);
    margin-bottom: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-contact p {
    color: var(--text-gray);
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .materials-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 1rem 15px;
    }
    
    .hero-content {
        padding: 0 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.8; }
    100% { opacity: 1; }
}

.loading {
    animation: none; /* Remover animação de loading */
}