/* ===== RESET E CONFIGURAÇÕES GLOBAIS ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --verde-claro: #2ecc71;
    --verde-escuro: #27ae60;
    --azul-claro: #3498db;
    --azul-escuro: #2980b9;
    --azul-profundo: #1a5276;
    --branco: #ffffff;
    --cinza-claro: #f5f5f5;
    --cinza-escuro: #333;
    --sombra: 0 5px 20px rgba(0,0,0,0.1);
    --sombra-hover: 0 8px 25px rgba(0,0,0,0.2);
}

html {
    scroll-behavior: smooth; /* Rolagem suave */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--cinza-escuro);
    overflow-x: hidden;
}

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

.section-title {
    font-size: 2.5rem;
    color: var(--azul-escuro);
    margin-bottom: 3rem;
    position: relative;
    text-align: center;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--verde-claro), var(--azul-claro));
    border-radius: 2px;
}

/* ===== MENU ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(26, 82, 118, 0.95);
    backdrop-filter: blur(10px); /* Efeito de vidro */
    z-index: 1000;
    box-shadow: var(--sombra);
}

.menu {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--branco);
    font-size: 1.5rem;
    font-weight: bold;
}

.logo i {
    color: var(--verde-claro);
    font-size: 2rem;
}

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

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

.menu-lista a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--verde-claro);
    transition: width 0.3s ease;
}

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

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

.menu-hamburguer span {
    width: 25px;
    height: 3px;
    background: var(--branco);
    margin: 2px 0;
    transition: 0.3s;
}

/* ===== HOME ===== */
.home {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--verde-claro), var(--azul-profundo));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 0 20px;
}

.home-content {
    text-align: center;
    color: var(--branco);
    z-index: 2;
    max-width: 800px;
}

.home-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.home-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease 0.2s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.home-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.4s;
    opacity: 0;
    animation-fill-mode: forwards;
}

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

.btn-descobrir {
    background: var(--branco);
    color: var(--azul-escuro);
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 50px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.6s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.btn-descobrir:hover {
    transform: translateY(-3px);
    box-shadow: var(--sombra-hover);
    background: var(--verde-claro);
    color: var(--branco);
}

.curiosidade-card {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    border-radius: 10px;
    padding: 1rem;
    max-width: 400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1rem;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.5s ease;
}

.curiosidade-card.mostrar {
    transform: translateY(0);
    opacity: 1;
}

.curiosidade-card i {
    font-size: 2rem;
    color: yellow;
}

/* Partículas */
.particulas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.particula {
    position: absolute;
    bottom: -100px;
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: subir 10s infinite;
}

@keyframes subir {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(-100vh);
        opacity: 0;
    }
}

/* ===== PROBLEMA ===== */
.problema {
    padding: 100px 0;
    background: var(--cinza-claro);
}

.problema-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.card-consequencia {
    background: var(--branco);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--sombra);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.card-consequencia:hover {
    transform: translateX(10px);
    box-shadow: var(--sombra-hover);
}

.card-consequencia i {
    font-size: 2rem;
    color: var(--verde-claro);
}

.problema-imagem {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--sombra);
}

.imagem-efeito {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.problema-imagem:hover .imagem-efeito {
    transform: scale(1.1);
}

.imagem-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: var(--branco);
    padding: 2rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.problema-imagem:hover .imagem-overlay {
    transform: translateY(0);
}

.frase-destaque {
    background: var(--branco);
    padding: 3rem;
    border-radius: 10px;
    box-shadow: var(--sombra);
    text-align: center;
    position: relative;
}

.frase-destaque i {
    font-size: 3rem;
    color: var(--verde-claro);
    opacity: 0.3;
    position: absolute;
    top: 20px;
    left: 20px;
}

.frase-destaque p {
    font-size: 1.3rem;
    font-style: italic;
    margin-bottom: 1rem;
}

.frase-destaque span {
    color: var(--azul-escuro);
    font-weight: bold;
}

/* ===== SUSTENTABILIDADE ===== */
.sustentabilidade {
    padding: 100px 0;
    background: linear-gradient(135deg, #e8f5e9, #e3f2fd);
}

.subtitulo-secao {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: var(--azul-escuro);
}

.tripe-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.tripe-card {
    background: var(--branco);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--sombra);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tripe-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--verde-claro), var(--azul-claro));
}

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

.tripe-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--verde-claro), var(--azul-claro));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.tripe-icon i {
    font-size: 2.5rem;
    color: var(--branco);
}

.tripe-card h3 {
    color: var(--azul-escuro);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.tripe-detalhes {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.tripe-detalhes span {
    background: var(--cinza-claro);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* Galeria */
.galeria {
    margin-top: 4rem;
}

.galeria h3 {
    text-align: center;
    font-size: 2rem;
    color: var(--azul-escuro);
    margin-bottom: 2rem;
}

.galeria-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.galeria-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 1;
}

.galeria-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.galeria-item:hover img {
    transform: scale(1.1);
}

.galeria-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--branco);
    font-size: 1.2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.galeria-item:hover .galeria-overlay {
    opacity: 1;
}

/* ===== GRÁFICO ===== */
.grafico {
    padding: 100px 0;
    background: var(--cinza-claro);
}

.grafico-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

/* Gráfico pizza */
.grafico-pizza {
    display: flex;
    justify-content: center;
    align-items: center;
}

.pizza {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: conic-gradient(
        var(--verde-claro) 0deg 630deg,
        #ddd 630deg 360deg
    );
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: girar 1s ease;
}

@keyframes girar {
    from {
        transform: rotate(-90deg);
    }
    to {
        transform: rotate(0);
    }
}

.pizza-inner {
    width: 200px;
    height: 200px;
    background: var(--branco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: bold;
    color: var(--azul-escuro);
}

.info-card {
    background: var(--branco);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: var(--sombra);
}

.info-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--verde-claro);
    margin-bottom: 1rem;
}

.progresso-container {
    background: var(--branco);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--sombra);
}

.progresso-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.progresso-barra {
    height: 20px;
    background: #ddd;
    border-radius: 10px;
    overflow: hidden;
}

.progresso-preenchimento {
    height: 100%;
    background: linear-gradient(90deg, var(--verde-claro), var(--azul-claro));
    width: 0;
    transition: width 1.5s ease;
}

/* Timeline */
.timeline {
    margin-top: 4rem;
}

.timeline h3 {
    text-align: center;
    font-size: 2rem;
    color: var(--azul-escuro);
    margin-bottom: 2rem;
}

.timeline-container {
    display: flex;
    justify-content: space-between;
    position: relative;
    padding: 2rem 0;
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--verde-claro), var(--azul-claro));
    transform: translateY(-50%);
}

.timeline-item {
    background: var(--branco);
    padding: 1rem;
    border-radius: 10px;
    box-shadow: var(--sombra);
    text-align: center;
    position: relative;
    z-index: 2;
    min-width: 100px;
}

.timeline-item .ano {
    display: block;
    font-weight: bold;
    color: var(--azul-escuro);
}

.timeline-item .data {
    color: var(--verde-claro);
}

/* ===== SOLUÇÕES ===== */
.solucoes {
    padding: 100px 0;
    background: var(--branco);
}

.solucoes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.solucao-card {
    background: var(--branco);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--sombra);
    transition: all 0.3s ease;
}

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

.solucao-imagem {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.solucao-imagem img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.solucao-icon {
    position: absolute;
    bottom: -30px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--verde-claro), var(--azul-claro));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--branco);
    font-size: 1.5rem;
    box-shadow: var(--sombra);
    transition: all 0.3s ease;
}

.solucao-card:hover .solucao-icon {
    transform: rotate(360deg);
}

.solucao-card h3 {
    color: var(--azul-escuro);
    padding: 1rem;
    font-size: 1.3rem;
}

.solucao-card p {
    padding: 0 1rem 1rem;
    color: var(--cinza-escuro);
}

.btn-saiba-mais {
    background: none;
    border: none;
    color: var(--azul-claro);
    padding: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-saiba-mais:hover {
    color: var(--verde-claro);
    transform: translateX(5px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.mostrar {
    display: flex;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background: var(--branco);
    padding: 2rem;
    border-radius: 10px;
    max-width: 600px;
    width: 90%;
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 2rem;
    cursor: pointer;
    color: var(--cinza-escuro);
}

.modal-close:hover {
    color: var(--verde-claro);
}

/* ===== CONCLUSÃO ===== */
.conclusao {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a5276, #2ecc71);
    color: var(--branco);
}

.conclusao .section-title {
    color: var(--branco);
}

.conclusao .section-title::after {
    background: var(--branco);
}

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

.conclusao-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    background: rgba(255,255,255,0.1);
    padding: 1rem;
    border-radius: 10px;
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

.conclusao-item:hover {
    transform: translateX(10px);
    background: rgba(255,255,255,0.2);
}

.conclusao-item i {
    font-size: 2rem;
    color: var(--verde-claro);
}

.conclusao blockquote {
    font-size: 1.5rem;
    font-style: italic;
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    position: relative;
}

.acoes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.acao-tag {
    background: var(--branco);
    color: var(--azul-escuro);
    padding: 0.8rem;
    border-radius: 5px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: default;
}

.acao-tag:hover {
    transform: scale(1.05);
    box-shadow: var(--sombra);
}

/* ===== BOTÃO VOLTAR AO TOPO ===== */
.btn-topo {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--verde-claro), var(--azul-claro));
    border: none;
    border-radius: 50%;
    color: var(--branco);
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.btn-topo.mostrar {
    opacity: 1;
    visibility: visible;
}

.btn-topo:hover {
    transform: translateY(-5px);
    box-shadow: var(--sombra-hover);
}

/* ===== RODAPÉ ===== */
footer {
    background: var(--azul-profundo);
    color: var(--branco);
    padding: 3rem 0 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    color: var(--branco);
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    color: var(--verde-claro);
    transform: translateY(-3px);
}

.footer-copy {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* ===== ANIMAÇÕES SCROLL ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.animate-on-scroll.animar {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 1024px) {
    .home-content h1 {
        font-size: 3rem;
    }
    
    .home-content h2 {
        font-size: 1.5rem;
    }
    
    .galeria-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .menu-lista {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--azul-profundo);
        flex-direction: column;
        padding: 1rem;
        text-align: center;
    }
    
    .menu-lista.mostrar {
        display: flex;
    }
    
    .menu-hamburguer {
        display: flex;
    }
    
    .problema-grid,
    .grafico-container,
    .conclusao-content,
    .solucoes-grid {
        grid-template-columns: 1fr;
    }
    
    .tripe-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .timeline-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .timeline-container::before {
        display: none;
    }
    
    .galeria-grid {
        grid-template-columns: 1fr;
    }
    
    .acoes-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .home-content h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}