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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    color: #4A3A2A;
    background-color: #ffffff;
    padding-top: 70px;
}

/* ===== MENU DE NAVEGAÇÃO ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    height: 70px;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
}

.logo-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.logo-container:hover {
    opacity: 0.8;
}

.logo {
    width: 48px;
    height: 48px;
    background-color: #A9C6B2;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2px;
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 6px;
}
.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #2F5D3A;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.nav-links a:hover {
    color: #5E8C6A;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #2F5D3A;
    margin: 5px 0;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== HEADER ===== */
header {
     background: #3d6b4a;
    color: #E9E6D8;
    padding: 4rem 2rem;
    text-align: center;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
}

.header-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

header p {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    color: #A9C6B2;
}

/* ===== SEÇÕES ===== */
section {
    padding: 5rem 2rem;
}

section:nth-child(even) {
    background-color: #F5F3ED;
}

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

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: #2F5D3A;
    margin-bottom: 3rem;
    text-align: center;
}

h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2F5D3A;
    margin-bottom: 0.8rem;
}

.section-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4A3A2A;
    margin-bottom: 1.5rem;
}

.section-text.centered {
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== LAYOUT DUAS COLUNAS ===== */
.two-column-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 2rem;
}

.text-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ===== IMAGENS ===== */
.image-content img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    object-fit: cover;
}

.placeholder-img-square {
    width: 100%;
    aspect-ratio: 1;
    max-height: 400px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    object-fit: cover;
}
.placeholder-img-diagram {
    width: 100%;
    height: 380px; 
      background: #3d6b4a;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #E9E6D8;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.diagram-content {
    text-align: center;
    width: 100%;
}

.diagram-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-decoration: underline;
}

.diagram-layers {
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.layer {
    background: rgba(169,198,178,0.3);
    padding: 0.5rem;
    margin: 0.5rem 0;
    border-radius: 4px;
    font-size: 0.9rem;
}

.diagram-arrows {
    font-size: 1rem;
    font-weight: 600;
    margin-top: 1rem;
}

.diagram-caption {
    font-size: 0.9rem;
    color: #5A4A3A;
    font-style: italic;
    text-align: center;
    margin-top: 1rem;
}

.placeholder-img-small {
    width: 100%;
    height: 240px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    object-fit: cover;
    display: block;
}

/* ===== CARDS GRID (O QUE FAZEMOS) ===== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.action-card {
    background: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.action-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 25px rgba(0,0,0,0.12);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.action-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.action-card p {
    font-size: 1rem;
    line-height: 1.6;
    color: #5A4A3A;
}

/* ===== LEIRA EXPLANATION ===== */
.leira-explanation {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 2rem;
}

.leira-visual {
    width: 100%;
}

.leira-text {
    width: 100%;
}

/* ===== PODE / NÃO PODE ===== */
.two-blocks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.block-pode,
.block-nao-pode {
    background: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
}

.block-pode {
    border-left: 4px solid #5E8C6A;
}

.block-nao-pode {
    border-left: 4px solid #C65D5D;
}

.block-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.block-icon {
    font-size: 2rem;
    font-weight: bold;
}

.block-pode .block-icon {
    color: #5E8C6A;
}

.block-nao-pode .block-icon {
    color: #C65D5D;
}

.block-header h3 {
    margin: 0;
    font-size: 1.5rem;
}

.composting-list {
    list-style: none;
    padding: 0;
}

.composting-list li {
    padding: 0.7rem 0;
    border-bottom: 1px solid #E9E6D8;
    font-size: 1.05rem;
}

.composting-list li:last-child {
    border-bottom: none;
}

.block-pode .composting-list li::before {
    content: "✓ ";
    color: #5E8C6A;
    font-weight: bold;
    margin-right: 0.5rem;
}

.block-nao-pode .composting-list li::before {
    content: "✗ ";
    color: #C65D5D;
    font-weight: bold;
    margin-right: 0.5rem;
}


/* ===== CAROUSEL ===== */
.carousel-container {
    position: relative;
    margin: 3rem auto 2rem;
    max-width: 900px;
}

.carousel-wrapper {
    overflow: hidden;
    border-radius: 12px;
}

.team-carousel {
    display: flex;
    transition: transform 0.4s ease-in-out;
    gap: 1rem;
}

.team-slide {
    min-width: calc((100% / 3) - 0.67rem);
    flex-shrink: 0;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(47, 93, 58, 0.9);
    color: #E9E6D8;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    z-index: 10;
    transition: background 0.3s ease;
}

.carousel-btn:hover {
    background: rgba(47, 93, 58, 1);
}

.carousel-btn.prev {
    left: -25px;
}

.carousel-btn.next {
    right: -25px;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-top: 2rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #A9C6B2;
    cursor: pointer;
    transition: background 0.3s ease;
}

.dot.active {
    background: #2F5D3A;
    width: 14px;
    height: 14px;
}

/* ===== RESULTADOS E IMPACTOS ===== */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.impact-card {
    background: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    border-top: 4px solid #5E8C6A;
}

.impact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.impact-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.impact-card p {
    font-size: 1rem;
    line-height: 1.6;
    color: #5A4A3A;
}

.highlight-box {
     background: #3d6b4a;
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.highlight-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #E9E6D8;
    font-weight: 500;
    margin: 0;
}

/* ===== COMO PARTICIPAR ===== */
.participation-content {
    max-width: 900px;
    margin: 0 auto;
}

.info-box {
    background-color: #ffffff;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    margin: 3rem auto 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border-left: 4px solid #5E8C6A;
}

.info-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.info-box h3 {
    color: #2F5D3A;
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.info-box {
    background-color: #ffffff;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    margin: 3rem auto 0;
    max-width: 800px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border-left: 4px solid #5E8C6A;
}

.info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.info-box h3 {
    color: #2F5D3A;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.info-text {
    font-size: 1.1rem;
    line-height: 1.9;
    color: #4A3A2A;
    text-align: left;
    margin: 0;
}

.info-text strong {
    color: #2F5D3A;
    font-weight: 600;
}

/* ===== CONTATO ===== */
.contact-box {
     background: #f5f3ed;
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.contact-icon {
    display: inline-flex;
    width: 80px;
    height: 80px;
    background: #ffffff;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.contact-box h2 {
    font-size: 2rem;
    color: #2F5D3A;
    margin-bottom: 1rem;
}

.contact-text {
    font-size: 1.1rem;
    color: #5A4A3A;
    margin-bottom: 2rem;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: #2F5D3A;
    color: #E9E6D8;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-link:hover {
    background: #5E8C6A;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* ===== FOOTER ===== */
footer {
    background-color: #2F5D3A;
    color: #A9C6B2;
    text-align: center;
    padding: 2rem;
    font-size: 1rem;
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 992px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: #ffffff;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
    
    .menu-toggle {
        display: block;
    }
    
    .two-column-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .two-blocks {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .cards-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
    
    .team-slide {
        min-width: 280px;
    }
    

}

@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
    
    section {
        padding: 3rem 1.5rem;
    }

    header {
        padding: 3rem 1.5rem;
    }
    
    .navbar-container {
        padding: 0 1.5rem;
    }
    
    .header-icon {
        font-size: 2.5rem;
    }
    
    h2 {
        margin-bottom: 2rem;
    }
    
    .placeholder-img-square {
        max-height: 320px;
    }
    
    .placeholder-img-diagram {
       height: 320px;
        padding: 1.5rem;
    }
    
    .diagram-title {
        font-size: 1rem;
    }
    
    .layer {
        font-size: 0.85rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .impact-grid {
        grid-template-columns: 1fr;
    }
    
    .team-slide {
        min-width: 250px;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
    
    .carousel-btn.prev {
        left: -15px;
    }
    
    .carousel-btn.next {
        right: -15px;
    }
    
    .placeholder-img-small {
        height: 200px;
    }
    
    .info-box {
        padding: 2rem;
    }
    
    .highlight-box {
        padding: 2rem;
    }
    
    .highlight-text {
        font-size: 1.1rem;
    }
    
    .contact-box {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    section {
        padding: 2.5rem 1.2rem;
    }

    header {
        padding: 2.5rem 1.2rem;
    }
    
    .navbar-container {
        padding: 0 1.2rem;
    }
    
    .header-icon {
        font-size: 2rem;
    }

    .section-text {
        font-size: 1rem;
    }
    
    .placeholder-img-square {
        max-height: 280px;
        padding: 1.5rem;
        font-size: 0.9rem;
    }
    
    .placeholder-img-diagram {
         height: 280px;
        padding: 1rem;
    }
    
    .action-card {
        padding: 1.5rem;
    }
    
    .card-icon {
        font-size: 2.5rem;
    }
    
    .block-pode,
    .block-nao-pode {
        padding: 1.5rem;
    }
    
    .composting-list li {
        font-size: 1rem;
    }
    
    .team-slide {
        min-width: 220px;
        padding: 0 0.5rem;
    }
    
    .placeholder-img-small {
        height: 180px;
    }
    
    .carousel-btn {
        width: 35px;
        height: 35px;
        font-size: 1.3rem;
    }
    
    .carousel-btn.prev {
        left: -10px;
    }
    
    .carousel-btn.next {
        right: -10px;
    }
    
    .info-box {
        padding: 1.5rem;
    }
    
    .contact-box {
        padding: 1.5rem;
    }
    
    .contact-icon {
        width: 60px;
        height: 60px;
    }
}