/* Reciclagem sem Escândalo - Styles.css */
/* Cores: Verde (reciclagem), Branco e Kraft (papelão) */

:root {
    /* Paleta de Cores */
    --verde-reciclagem: #228B22;
    --verde-reciclagem-dark: #006400;
    --verde-reciclagem-light: #32CD32;
    --verde-reciclagem-pale: #90EE90;
    --kraft: #D2B48C;
    --kraft-dark: #BC8F5A;
    --kraft-light: #F5DEB3;

    /* Tons neutros */
    --white: #FFFFFF;
    --off-white: #FAFAFA;
    --gray-light: #F0F0F0;
    --gray: #CCCCCC;
    --gray-dark: #666666;

    /* Fontes */
    --font-heading: 'Roboto', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    /* Bordas */
    --border-radius: 8px;
    --border-radius-lg: 12px;

    /* Sombras */
    --shadow-light: 0 2px 8px rgba(34, 139, 34, 0.1);
    --shadow-medium: 0 4px 16px rgba(34, 139, 34, 0.15);
    --shadow-strong: 0 8px 32px rgba(34, 139, 34, 0.2);

    /* Transições */
    --transition: all 0.3s ease;
}

/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--gray-dark);
    background: var(--off-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--verde-reciclagem-dark);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--gray-dark);
}

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

a:hover {
    color: var(--verde-reciclagem-dark);
}

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

/* Header */
.main-header {
    background: linear-gradient(135deg, var(--verde-reciclagem) 0%, var(--verde-reciclagem-dark) 100%);
    color: var(--white);
    padding: var(--spacing-md) 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-medium);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    font-size: 2.5rem;
    background: var(--white);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.logo-text h1 {
    font-size: 1.8rem;
    margin-bottom: 0.25rem;
}

.tagline {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 300;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.main-nav a {
    color: var(--white);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
}

.main-nav a:hover {
    color: var(--kraft-light);
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--verde-reciclagem-light) 0%, var(--kraft-light) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    color: var(--white);
    text-align: center;
    margin-top: 80px;
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    background-image:
        radial-gradient(circle at 20% 80%, var(--verde-reciclagem) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, var(--kraft) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, var(--verde-reciclagem-pale) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--kraft-light);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.stat p {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button {
    background: var(--kraft);
    color: var(--verde-reciclagem-dark);
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    display: inline-block;
    box-shadow: var(--shadow-medium);
}

.cta-button:hover {
    background: var(--kraft-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-strong);
}

/* Seções Gerais */
section {
    padding: var(--spacing-xl) 0;
}

/* About Section */
.about-section {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.about-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium);
}

/* Guides Section */
.guides-section {
    background: var(--kraft-light);
}

.section-subtitle {
    text-align: center;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: 400;
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.guide-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 2px solid var(--gray-light);
}

.guide-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--verde-reciclagem);
}

.guide-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.guide-icon {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--verde-reciclagem), var(--verde-reciclagem-light));
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.guide-card h3 {
    color: var(--verde-reciclagem);
    margin-bottom: var(--spacing-sm);
}

.guide-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.can-do, .cannot-do {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
}

.can-do {
    background: var(--verde-reciclagem-pale);
    border: 1px solid var(--verde-reciclagem-light);
}

.cannot-do {
    background: #FFE6E6;
    border: 1px solid #FFB3B3;
}

.can-do h4 {
    color: var(--verde-reciclagem-dark);
}

.cannot-do h4 {
    color: #CC0000;
}

.guide-preview ul {
    margin-top: var(--spacing-sm);
}

.guide-preview li {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.guide-tips {
    margin: var(--spacing-md) 0;
}

.tip {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.compost-materials {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.compost-yes, .compost-no {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
}

.compost-yes {
    background: var(--verde-reciclagem-pale);
    border: 1px solid var(--verde-reciclagem-light);
}

.compost-no {
    background: #FFE6E6;
    border: 1px solid #FFB3B3;
}

.compost-yes h4 {
    color: var(--verde-reciclagem-dark);
}

.compost-no h4 {
    color: #CC0000;
}

.guide-button {
    background: linear-gradient(135deg, var(--verde-reciclagem), var(--verde-reciclagem-dark));
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    margin-top: var(--spacing-md);
}

.guide-button:hover {
    background: linear-gradient(135deg, var(--verde-reciclagem-dark), var(--verde-reciclagem));
    transform: translateY(-2px);
}

/* Tips Section */
.tips-section {
    background: var(--white);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.tip-card {
    background: var(--kraft-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    position: relative;
    transition: var(--transition);
    border-left: 4px solid var(--verde-reciclagem);
}

.tip-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.tip-number {
    position: absolute;
    top: -10px;
    left: -10px;
    background: var(--verde-reciclagem);
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: var(--shadow-light);
}

.tip-card h3 {
    color: var(--verde-reciclagem);
    margin-bottom: var(--spacing-sm);
    margin-left: 1rem;
}

/* Calculator Section */
.calculator-section {
    background: var(--kraft-light);
}

.calculator-widget {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-medium);
    margin-top: var(--spacing-lg);
}

.calc-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.calc-group {
    display: flex;
    flex-direction: column;
}

.calc-group label {
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--verde-reciclagem-dark);
}

.calc-group input {
    padding: 0.75rem;
    border: 2px solid var(--gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.calc-group input:focus {
    outline: none;
    border-color: var(--verde-reciclagem);
    box-shadow: 0 0 0 3px rgba(34, 139, 34, 0.1);
}

.calc-button {
    background: var(--verde-reciclagem);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    grid-column: 1 / -1;
    justify-self: center;
}

.calc-button:hover {
    background: var(--verde-reciclagem-dark);
    transform: translateY(-2px);
}

.calc-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.result-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--verde-reciclagem-pale);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
}

.result-icon {
    font-size: 2rem;
}

.result-text {
    flex: 1;
}

.result-text strong {
    display: block;
    font-size: 1.5rem;
    color: var(--verde-reciclagem-dark);
    margin-bottom: 0.25rem;
}

/* Featured Articles */
.featured-articles {
    background: var(--off-white);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.article-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.article-image {
    height: 200px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.article-card:hover .article-image img {
    transform: scale(1.05);
}

.article-content {
    padding: var(--spacing-md);
}

.article-content h3 {
    color: var(--verde-reciclagem);
    margin-bottom: var(--spacing-sm);
}

.article-link {
    color: var(--verde-reciclagem);
    font-weight: 600;
    margin-top: var(--spacing-sm);
    display: inline-block;
}

/* Newsletter Section */
.newsletter-section {
    background: linear-gradient(135deg, var(--verde-reciclagem) 0%, var(--verde-reciclagem-dark) 100%);
    color: var(--white);
    text-align: center;
}

.newsletter-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.newsletter-content p {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.form-row {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 600px;
    margin: 0 auto;
}

.form-row input {
    flex: 1;
    padding: 0.875rem;
    border: 2px solid var(--kraft);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background: var(--white);
}

.form-row button {
    background: var(--kraft);
    color: var(--verde-reciclagem-dark);
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.form-row button:hover {
    background: var(--kraft-light);
    transform: translateY(-2px);
}

/* Links de Autoridade */
.authority-links {
    background: var(--gray-light);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.authority-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.authority-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.link-icon {
    font-size: 1.5rem;
}

/* Footer */
.main-footer {
    background: var(--verde-reciclagem-dark);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    color: var(--kraft-light);
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--white);
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--kraft-light);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-links a {
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    transform: scale(1.2) rotate(5deg);
}

.authority-links-footer {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.authority-links-footer a {
    color: var(--kraft-light);
    margin: 0 var(--spacing-sm);
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-strong);
    transition: var(--transition);
    z-index: 1000;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

.whatsapp-float img {
    width: 30px;
    height: 30px;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}