:root {
    --primary-color: #2E8B57;
    --primary-dark: #1F6B3D;
    --primary-light: #3CAA6D;
    --white: #FFFFFF;
    --light-bg: #F5F7FA;
    --dark-bg: #121212;
    --dark-text: #333333;
    --light-text: #F5F5F5;
    --gray: #6C757D;
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: 1px solid rgba(255, 255, 255, 0.18);
    --font-base: 'Poppins', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
}

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

body {
    padding-top: 130px;
    font-family: var(--font-base);
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--light-bg);
    transition: var(--transition);
    font-size: 16px;
}

body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--light-text);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Estilos para o botão de perfil */
.user-logged {
    display: flex;
    align-items: center;
    gap: 10px;
}

.profile-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
    text-transform: uppercase;
}

.profile-btn:hover {
    background-color: var(--primary-dark);
    transform: scale(1.05);
}

body.dark-mode .profile-btn {
    background-color: var(--primary-light);
    color: var(--dark-bg);
}

body.dark-mode .profile-btn:hover {
    background-color: var(--primary-color);
}

/* Barra de acessibilidade */
.accessibility-container {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1002;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transition: transform 0.3s ease;
    transform: translateY(0);
}

.accessibility-container.hidden {
    transform: translateY(-100%);
}

.accessibility-bar {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.accessibility-btn, .font-size-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--light-text);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.accessibility-btn:hover, .font-size-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.font-size-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.font-size-controls span {
    font-size: 0.9rem;
    color: var(--light-text);
}

/* Header */
header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1001;
    transition: transform 0.3s ease, background-color 0.3s ease; /* Atualizado */
    transform: translateY(0);
}

/* Adicione esta nova classe */
header.hidden {
    transform: translateY(-100%);
}

/* Adicione este ajuste para o conteúdo principal */
main, .content-wrapper {
    padding-top: 200px; /* Ajuste conforme a altura total do seu cabeçalho */
}

body.dark-mode header {
    background-color: #1E1E1E;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

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

.logo img {
    height: 50px;
    transition: var(--transition);
}

.logo-dark {
    display: none;
}

body.dark-mode .logo-light {
    display: none;
}

body.dark-mode .logo-dark {
    display: block;
}

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

.menu a {
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

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

.menu a:hover::after {
    width: 100%;
}

body.dark-mode .menu a::after {
    background-color: var(--primary-light);
}

.user-actions {
    display: flex;
    gap: 1rem;
}

.btn-login, .btn-register {
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-login {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-login:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-register {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-register:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

body.dark-mode .btn-login {
    border-color: var(--primary-light);
    color: var(--primary-light);
}

body.dark-mode .btn-login:hover {
    background-color: var(--primary-light);
    color: var(--dark-bg);
}

body.dark-mode .btn-register {
    background-color: var(--primary-light);
}

body.dark-mode .btn-register:hover {
    background-color: var(--primary-color);
}

/* Estilos para o cabeçalho dinâmico */
.user-actions .user-logged {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-actions .user-name {
    font-weight: 500;
color: var(--text-color);
font-size: 0.95rem;
}

.btn-logout {
    background: none;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.btn-logout:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Hero Section */
.hero {
    position: relative;
    height: 80vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, rgba(46, 139, 87, 0.8), rgba(60, 170, 109, 0.9)), url('images/eco-bg.jpg') no-repeat center/cover;
    color: var(--white);
    overflow: hidden;
    /* Adiciona a imagem de coleta.png como camada de fundo */
    background-image:
        
        url('images/coleta.png'),
        url('images/eco-bg.jpg');
    background-size: cover, cover, cover;
    background-position: center, center, center;
    background-repeat: no-repeat, no-repeat, no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Overlay mais escuro e uniforme */
    background: rgba(0,0,0,0.5); /* 0.5 = 50% de opacidade, ajuste conforme necessário */
    z-index: 1;
}

/* Novo: camada de blur sobre a imagem de fundo */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    /* Aplica blur apenas na imagem de fundo */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
    height: 100%;
    /* Remover background-image daqui */
    /* background-image: url('images/coleta.png'); */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    /* Opcional: adicionar leve sombra para reforçar contraste */
    text-shadow: 0 2px 8px rgba(107, 207, 93, 0.7);
}

.slogan {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5); /* reforça sombra */
    animation: fadeInDown 1s ease;
}

.hero p {
    font-size: 1.2rem;
    /* Opcional: reforça contraste */
    text-shadow: 1px 1px 4px rgba(0,0,0,0.6);
}

.btn-hero {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--white);
    color: var(--primary-color);
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    animation: fadeIn 1s ease 0.6s both;
    box-shadow: var(--shadow-md);
    margin-top: 1.5rem; /* Adicionado para afastar do texto acima */
}

.btn-hero:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background-color: var(--primary-light);
    color: var(--white);
}

/* Seções */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
    border-radius: 2px;
}

body.dark-mode .section-title::after {
    background: linear-gradient(90deg, var(--primary-light), transparent);
}

/* Cards de Serviços */
.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    /* Adicione isso para garantir altura igual */
    align-items: stretch;
}

.service-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    padding: 2rem 1.5rem;
    cursor: pointer;
    position: relative;
    z-index: 1;
    /* Adicione estas linhas para flexbox */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

body.dark-mode .service-card {
    background: #252525;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(46, 139, 87, 0.1), transparent);
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.service-card:hover img {
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

body.dark-mode .service-card h3 {
    color: var(--primary-light);
}

.service-card p {
    color: var(--gray);
    margin-bottom: 1.5rem;
    /* Remova o margin-bottom se quiser menos espaço */
    flex-grow: 1; /* Faz o texto ocupar o espaço disponível */
}

.service-card .btn {
    margin-top: auto; /* Garante que o botão fique na base */
}

body.dark-mode .service-card p {
    color: #AAAAAA;
}

.btn {
    display: inline-block;
    padding: 0.7rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

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

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

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

body.dark-mode .btn-secondary {
    border-color: var(--primary-light);
    color: var(--primary-light);
}

body.dark-mode .btn-secondary:hover {
    background-color: var(--primary-light);
    color: var(--dark-bg);
}

/* Boxes de Informação */
.info-boxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.info-box {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

body.dark-mode .info-box {
    background: #252525;
}

.info-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background-color: var(--primary-color);
    transition: var(--transition);
}

body.dark-mode .info-box::before {
    background-color: var(--primary-light);
}

.info-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.info-box:hover::before {
    width: 100%;
    opacity: 0.1;
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

body.dark-mode .service-icon {
    color: var(--primary-light);
}

.info-box h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.info-box p {
    color: var(--gray);
}

body.dark-mode .info-box p {
    color: #AAAAAA;
}

/* Missão, Visão e Valores */
.mvw-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.mvw-box {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: var(--glass-border);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.mvw-box:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

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

body.dark-mode .mvw-icon {
    color: var(--primary-light);
}

.mvw-box h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

/* Footer */
footer {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: 3rem 0;
    text-align: center;
}

body.dark-mode footer {
    background-color: #1F6B3D
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

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

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

.copyright {
    margin-top: 2rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Botão de Chat */
.chat-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 1000;
}

.chat-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Botão 'Mais caçambas' */
.mais-cacambas-btn {
    grid-column: 1 / -1;
    /* Garante que o botão ocupe toda a largura do grid e possa ser centralizado */
    justify-self: center;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0;
    margin-right: 0;
    margin-top: 2rem;
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    gap: 0.5rem;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    background: none;
    font-size: 1.1rem;
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    position: relative;
}

.mais-cacambas-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px) scale(1.04);
}

body.dark-mode .mais-cacambas-btn {
    border-color: var(--primary-light);
    color: var(--primary-light);
}

body.dark-mode .mais-cacambas-btn:hover {
    background-color: var(--primary-light);
    color: var(--dark-bg);
}

/* Responsividade */
@media (max-width: 992px) {
    .slogan {
        font-size: 2.8rem;
    }
    
    .section {
        padding: 4rem 0;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem 0;
    }
    
    .menu ul {
        gap: 1.5rem;
    }
    
    .slogan {
        font-size: 2.2rem;
    }
    
    .hero {
        height: auto;
        padding: 5rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .accessibility-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 0.5rem 1rem;
    }
    
    .menu ul {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .user-actions {
        width: 100%;
        justify-content: center;
    }
    
    .slogan {
        font-size: 1.8rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .info-boxes, .mvw-container {
        grid-template-columns: 1fr;
    }
}

/* Animações personalizadas */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.floating {
    animation: float 3s ease-in-out infinite;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}