/* Font Import */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap');

/* ================================================ */
/* PARTE 1: VARIÁVEIS E ESTILOS GERAIS              */
/* ================================================ */

:root {
    --color-primary-green: #4CAF50;
    --color-dark-green: #388E3C;
    --color-light-green: #E8F5E9;
    --color-accent-green: #A5D6A7;
    --color-text-dark: #263238;
    --color-text-medium: #546E7A;
    --color-background-light: #F9FBE7;
    --color-white: #FFFFFF;
    --color-black: #212121;
    --shadow-light: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 6px 24px rgba(0, 0, 0, 0.09);
    --shadow-strong: 0 10px 30px rgba(0, 0, 0, 0.15);
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --transition-speed: 0.3s ease;
}

body.dark-theme {
    --color-primary-green: #66BB6A;
    --color-dark-green: #4CAF50;
    --color-light-green: #2C3A41;
    --color-accent-green: #5A875C;
    --color-text-dark: #ECEFF1;
    --color-text-medium: #CFD8DC;
    --color-background-light: #1E272C;
    --color-white: #283339;
    --color-black: #B0BEC5;
    --shadow-light: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-medium: 0 6px 24px rgba(0, 0, 0, 0.25);
    --shadow-strong: 0 10px 30px rgba(0, 0, 0, 0.35);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--color-background-light);
    color: var(--color-text-dark);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* ================================================ */
/* PARTE 2: CABEÇALHO E NAVEGAÇÃO                   */
/* ================================================ */

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1001;
    border-bottom: 2px solid transparent;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

body.dark-theme .header {
    border-bottom-color: var(--color-accent-green);
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-black);
    text-decoration: none;
}

.logo span {
    color: var(--color-primary-green);
}

.nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav a {
    text-decoration: none;
    color: var(--color-text-dark);
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius-sm);
    transition: color var(--transition-speed), background-color var(--transition-speed);
}

.nav a:hover {
    background-color: var(--color-light-green);
    color: var(--color-dark-green);
}

.theme-toggle-nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.theme-toggle-nav-link .fa-sun {
    display: none;
}
body.dark-theme .theme-toggle-nav-link .fa-sun {
    display: inline-block;
}
body.dark-theme .theme-toggle-nav-link .fa-moon {
    display: none;
}

.theme-toggle-nav-link span {
    display: none; /* Apenas visível no menu mobile */
}

.menu-toggle {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--color-primary-green);
}

/* ================================================ */
/* PARTE 3: CONTEÚDO PRINCIPAL                      */
/* ================================================ */

main {
    flex: 1;
}

h1, h2, h3 {
    font-weight: 700;
    line-height: 1.3;
}

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 4rem 5% 6rem;
    background: linear-gradient(135deg, var(--color-background-light), var(--color-light-green));
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 3.8rem);
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: 1rem;
}

.hero-text h1 span {
    color: var(--color-primary-green);
}

.hero-text p {
    font-size: 1.1rem;
    color: var(--color-text-medium);
    margin-bottom: 2.5rem;
    max-width: 550px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--color-primary-green);
    color: #fff;
    padding: 0.9rem 2rem;
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: transform var(--transition-speed), background-color var(--transition-speed), box-shadow var(--transition-speed);
    box-shadow: var(--shadow-medium);
}

.cta-button:hover {
    background-color: var(--color-dark-green);
    transform: translateY(-4px);
    box-shadow: var(--shadow-strong);
}

.hero-image {
    flex: 1;
    max-width: 950px;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 25px rgba(0,0,0,0.1));
}

.consciencia {
    padding: 5rem 5%;
    background-color: var(--color-white);
}

.consciencia-container {
    max-width: 900px;
    margin: 0 auto;
}

.consciencia-texto h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    color: var(--color-dark-green);
    text-align: center;
}

.consciencia-texto h2:not(:first-child) {
    margin-top: 3rem;
}

.consciencia-texto p {
    font-size: 1.05rem;
    line-height: 1.8;
    text-align: justify;
    color: var(--color-text-medium);
}

.resultados {
    background-color: var(--color-primary-green);
    color: var(--color-background-light);
    padding: 5rem 5%;
    text-align: center;
}

.resultados h2 {
    font-size: clamp(2rem, 5vw, 2.8rem);
    margin-bottom: 3.5rem;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    padding: 2rem 1.5rem;
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.card img {
    width: 80px;
    height: auto;
}

.card p {
    color: var(--color-text-dark);
    font-size: 1rem;
    font-weight: 600;
}

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

.collection-points-section {
    padding: 5rem 5%;
}

.top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 4rem;
    flex-wrap: wrap;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.text-area { flex: 1.5; }

.text-area h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); color: var(--color-dark-green); }
.text-area .subtitle { font-size: 0.9rem; color: var(--color-primary-green); margin-bottom: 1.5rem; text-transform: uppercase; letter-spacing: 1px; }
.text-area h2 { font-size: clamp(1.5rem, 4vw, 2rem); color: var(--color-black); }

.pile-area { flex: 1; display: flex; justify-content: center; }
.pile-image { max-width: 100%; height: auto; max-height: 300px; }

.bottom-content { display: flex; flex-direction: column; gap: 3rem; max-width: 1200px; margin: 0 auto; }

.location-card {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    padding: 2.5rem;
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-medium);
    border-left: 8px solid var(--color-primary-green);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}
.location-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-strong); }

.location-text { flex: 1; min-width: 280px; }
.location-text h3 { font-size: 1.8rem; color: var(--color-dark-green); margin-bottom: 0.5rem; }
.location-text p { font-size: 1rem; color: var(--color-text-medium); }
.location-text .fonte { font-size: 0.9rem; font-style: italic; margin-top: 1rem; }
.location-text .fonte a { color: var(--color-dark-green); text-decoration: none; font-weight: 600; }

.map-area { flex: 1; min-width: 280px; }
.map-area iframe { width: 100%; height: 350px; border: 3px solid var(--color-light-green); border-radius: var(--border-radius-md); }

/* ================================================ */
/* PARTE 4: RODAPÉ                                  */
/* ================================================ */

footer {
    margin-top: auto;
    background-color: var(--color-black);
    color: var(--color-text-medium);
    padding: 1.5rem 5%;
    font-size: 0.9rem;
    text-align: center;
    border-top: 3px solid var(--color-primary-green);
}

/* ======================================================= */
/* PARTE 5: RESPONSIVIDADE (MOBILE-FIRST APPROACH)         */
/* ======================================================= */

@media (max-width: 992px) {
    /* --- MENU HAMBÚRGUER --- */
    .menu-toggle { display: block; }
    
    .nav {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        position: fixed;
        top: 0;
        right: -100%;
        width: min(80vw, 320px);
        height: 100%;
        background-color: var(--color-white);
        padding: 6rem 2rem 2rem;
        box-shadow: var(--shadow-strong);
        z-index: 1000;
        transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        overflow-y: auto;
    }

    .nav.active { right: 0; }

    .nav a {
        font-size: 1.2rem;
        width: 100%;
        padding: 0.75rem 1rem;
    }
    .theme-toggle-nav-link span { display: inline-block; }

    body.nav-active::after {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.6);
        z-index: 999;
        backdrop-filter: blur(2px);
    }

    /* --- LAYOUT GERAL MOBILE --- */
    .hero, .consciencia, .resultados, .collection-points-section, footer {
        padding-left: 5%;
        padding-right: 5%;
    }

    /* --- SEÇÃO HERO --- */
    .hero {
        padding: 4rem 5%; /* Mantenha um padding adequado para mobile */
        flex-direction: column; /* Garante que os itens fiquem em coluna */
        text-align: center; /* Centraliza o texto */
    }

    .hero-text {
        margin-right: 0; /* Remove margens específicas de desktop */
    }
    
    .hero-image {
        order: -1; /* Coloca a imagem acima do texto */
        margin-bottom: 2rem;
        max-width: 250px;
    }
    
    .cta-button {
        width: 100%;
        justify-content: center;
        padding: 1rem 1.5rem;
    }
    
    /* --- SEÇÃO PONTOS DE COLETA --- */
    .top-content {
        flex-direction: column;
        text-align: center;
    }

    .pile-area {
        order: -1;
    }

    .location-card {
        flex-direction: column;
        gap: 1.5rem;
        padding: 2rem 1.5rem;
    }

    .map-area iframe {
        height: 250px;
    }
}

@media (max-width: 480px) {
    /* --- CARDS DE RESULTADOS --- */
    .cards {
        grid-template-columns: 1fr 1fr; /* Duas colunas em telas menores */
        gap: 1rem;
    }

    .card {
        padding: 1.5rem 1rem;
    }

    .card img {
        width: 60px;
    }
}