/* ==========================================================================
   VARIÁVEIS DE COR (Extraídas do AppColors.dart)
   ========================================================================== */
:root {
    --primary: #234B36;         /* Verde Floresta Profundo */
    --primary-light: #346B4E;   
    --accent: #E27D60;          /* Coral Quente */
    --bg-light: #EFF3F8;        /* Fundo da página */
    --surface: #FFFFFF;         /* Fundo dos cartões */
    --text-main: #0F172A;       /* Texto escuro principal */
    --text-secondary: #334155;  /* Texto de suporte */
    --radius-card: 24px;
    --radius-btn: 16px;
}

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

html {
    scroll-behavior: smooth; 
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* ==========================================================================
   NAVEGAÇÃO (HEADER)
   ========================================================================== */
.navbar {
    background-color: var(--surface);
    padding: 16px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    height: 40px; 
    transition: transform 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    transition: color 0.3s;
}

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

/* ==========================================================================
   BOTÕES E COMPONENTES
   ========================================================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #FFFFFF;
    padding: 16px 32px;
    border-radius: var(--radius-btn);
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(35, 75, 54, 0.25);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(35, 75, 54, 0.35);
}

.btn-primary-outline {
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary-outline:hover {
    background-color: var(--primary);
    color: #FFFFFF;
    box-shadow: 0 6px 15px rgba(35, 75, 54, 0.2);
}

.btn-secondary {
    color: var(--text-main);
    font-weight: 700;
    text-decoration: none;
    padding: 16px 20px;
    transition: color 0.3s;
}

.btn-secondary:hover {
    color: var(--primary);
}

.icon {
    width: 22px;
    height: 22px;
    fill: currentColor;
    margin-right: 10px;
    transition: transform 0.3s ease;
}

.btn-primary:hover .icon {
    transform: translateY(3px);
}

/* ==========================================================================
   SECÇÃO HERO (DESTAQUE INICIAL)
   ========================================================================== */
.hero {
    padding: 80px 0 100px;
    position: relative;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.hero-text {
    flex: 1.1;
}

.badge {
    background-color: rgba(35, 75, 54, 0.1);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero-text h1 {
    font-size: 52px;
    font-weight: 900;
    letter-spacing: -1.5px;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--text-main);
}

.hero-text p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.hero-image {
    flex: 0.9;
    display: flex;
    justify-content: center;
    position: relative;
}

.hero-mockup {
    width: 100%;
    max-width: 650px;
    border-radius: var(--radius-card);
    box-shadow: 0 24px 48px rgba(0,0,0,0.12);
    border: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.hero-mockup:hover {
    transform: translateY(-8px);
    box-shadow: 0 32px 64px rgba(0,0,0,0.18);
}

/* ==========================================================================
   SECÇÃO ECOSSISTEMA
   ========================================================================== */
.ecosystem {
    padding: 100px 0;
    background-color: var(--surface);
}

.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.eco-card {
    background-color: var(--bg-light);
    padding: 48px 32px;
    border-radius: var(--radius-card);
    transition: transform 0.3s ease;
    border: 1px solid rgba(0,0,0,0.03);
}

.eco-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(0,0,0,0.08);
}

.eco-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.eco-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-main);
}

.eco-card p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Cartão Destaque (Validação) */
.eco-highlight {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #FFFFFF;
}

.eco-highlight h3, .eco-highlight p, .eco-highlight em {
    color: #FFFFFF;
}

/* 🔥 CORREÇÃO DA IMAGEM DE VALIDAÇÃO 🔥 */
.eco-img-validacao {
    height: 160px; /* Altura ideal para mostrar o ecrã do telemóvel */
    width: auto; /* A largura ajusta-se proporcionalmente */
    margin-bottom: 24px;
    border-radius: 12px; /* Cantos arredondados premium, sem deformar em círculo */
    box-shadow: 0 12px 24px rgba(0,0,0,0.3); /* Sombra elegante */
    display: block; 
    object-fit: contain; /* Garante que a imagem nunca é cortada */
    transition: transform 0.3s ease;
}

.eco-highlight:hover .eco-img-validacao {
    transform: translateY(-5px) scale(1.02); /* Efeito flutuante ao passar o rato */
}

/* ==========================================================================
   SECÇÃO FUNCIONALIDADES
   ========================================================================== */
.features {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.section-title {
    text-align: center;
    margin-bottom: 70px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title h2 {
    font-size: 38px;
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    color: var(--text-main);
}

.section-title p {
    color: var(--text-secondary);
    font-size: 18px;
}

.grid-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background-color: var(--surface);
    padding: 48px 32px;
    border-radius: var(--radius-card);
    text-align: center;
    box-shadow: 0 8px 24px rgba(0,0,0,0.04);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(0,0,0,0.08);
}

.feature-icon {
    font-size: 54px;
    margin-bottom: 24px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--primary);
}

/* ==========================================================================
   SECÇÃO IMPACTO REAL E COMUNIDADE (GALERIA ASSIMÉTRICA CRIATIVA)
   ========================================================================== */
.real-impact {
    padding: 120px 0 160px; 
    background-color: var(--surface);
    border-top: 1px solid #E2E8F0;
    overflow: hidden; 
}

.impact-content {
    display: flex;
    align-items: center;
    gap: 80px;
}

.impact-text {
    flex: 1;
}

.impact-text h2 {
    font-size: 44px;
    color: var(--text-main);
    margin-bottom: 24px;
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -1.2px;
}

.impact-text p {
    color: var(--text-secondary);
    font-size: 18px;
    line-height: 1.8;
}

.impact-gallery {
    flex: 1.2;
    display: grid;
    grid-template-columns: repeat(12, 1fr); 
    grid-template-rows: 240px 240px;
    position: relative;
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-card);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
    border: 6px solid var(--surface); 
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    background-color: var(--bg-light);
    cursor: zoom-in;
}

.gallery-img:hover {
    transform: scale(1.05) translateY(-10px) !important;
    box-shadow: 0 30px 60px rgba(35, 75, 54, 0.25);
    border-color: var(--bg-light);
    z-index: 10 !important; 
}

.gallery-main {
    grid-column: 2 / 9;
    grid-row: 1 / 3;
    z-index: 1;
}

.impact-gallery .gallery-img:nth-child(2) {
    grid-column: 7 / 13;
    grid-row: 1 / 2;
    z-index: 2;
    transform: translate(15px, 20px);
}

.impact-gallery .gallery-img:nth-child(3) {
    grid-column: 8 / 13;
    grid-row: 2 / 3;
    z-index: 3;
    transform: translate(-10px, -20px);
}

.impact-gallery .gallery-img:nth-child(4) {
    grid-column: 1 / 6;
    grid-row: 2 / 3;
    z-index: 4;
    height: 200px;
    transform: translate(10px, 60px); 
}

/* ==========================================================================
   SECÇÃO DEPOIMENTOS
   ========================================================================== */
.testimonials {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.testimonial-card {
    background-color: var(--surface);
    padding: 48px;
    border-radius: var(--radius-card);
    border-left: 6px solid var(--accent); 
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.quote {
    font-size: 18px;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 56px;
    height: 56px;
    background-color: var(--primary);
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    font-weight: 900;
}

.author h4 {
    font-size: 18px;
    color: var(--text-main);
    margin-bottom: 4px;
}

.author span {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==========================================================================
   SECÇÃO FAQ
   ========================================================================== */
.faq {
    padding: 100px 0;
    background-color: var(--surface);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--bg-light);
    border-radius: 16px;
    border: 1px solid rgba(0,0,0,0.05);
}

summary {
    padding: 24px 32px;
    font-weight: 700;
    font-size: 18px;
    cursor: pointer;
    list-style: none;
    position: relative;
    color: var(--text-main);
    transition: color 0.3s;
}

summary:hover {
    color: var(--primary);
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: '+';
    position: absolute;
    right: 32px;
    font-size: 28px;
    color: var(--primary);
    font-weight: 300;
}

details[open] summary::after {
    content: '−';
}

.faq-content {
    padding: 0 32px 32px;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 16px;
}

/* ==========================================================================
   BOTTOM CTA (CHAMADA FINAL)
   ========================================================================== */
.bottom-cta {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    text-align: center;
    color: #FFFFFF;
}

.bottom-cta h2 {
    font-size: 48px;
    font-weight: 900;
    letter-spacing: -1px;
    margin-bottom: 24px;
    color: #FFFFFF;
}

.bottom-cta p {
    font-size: 20px;
    color: rgba(255,255,255,0.9);
    max-width: 700px;
    margin: 0 auto 48px;
    line-height: 1.6;
}

.btn-large {
    background: #FFFFFF;
    color: var(--primary);
    padding: 24px 48px;
    font-size: 20px;
    border-radius: var(--radius-btn);
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

.btn-large:hover {
    background: var(--bg-light);
    color: var(--primary);
    box-shadow: 0 20px 45px rgba(0,0,0,0.3);
    transform: translateY(-5px);
}

/* ==========================================================================
   EFEITO LIGHTBOX (ZOOM NAS IMAGENS)
   ========================================================================== */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.95);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    cursor: zoom-out; 
}

.lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    object-fit: contain; 
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.lightbox-overlay.active .lightbox-img {
    transform: scale(1);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer {
    background-color: var(--text-main); 
    color: rgba(255,255,255,0.7);
    padding: 60px 0;
    text-align: center;
    font-size: 15px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.footer-logo {
    height: 50px;
    opacity: 0.8;
}

/* ==========================================================================
   RESPONSIVIDADE (MOBILE E TABLETS)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-content, .impact-content {
        flex-direction: column;
        text-align: center;
        gap: 60px;
    }
    
    .nav-links {
        display: none; 
    }

    .hero-text h1, .impact-text h2, .bottom-cta h2 {
        font-size: 40px;
    }

    .hero-buttons {
        justify-content: center;
    }
    
    .impact-gallery {
        width: 100%;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
        gap: 20px;
    }
    
    .gallery-main {
        grid-column: span 2;
        height: 400px;
    }
    
    .impact-gallery .gallery-img:nth-child(n+2) {
        grid-column: span 1;
        grid-row: auto;
        transform: none;
        height: 250px;
        border-width: 0;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-text h1, .impact-text h2, .bottom-cta h2 {
        font-size: 34px;
    }

    .gallery-main {
        height: 250px;
    }
    
    .impact-gallery .gallery-img:nth-child(n+2) {
        height: 180px;
    }

    .impact-gallery {
        gap: 12px;
    }
    
    .btn-large {
        padding: 20px 32px;
        font-size: 18px;
    }
}