/* ============================================
   MAIN.CSS - Estilos Principais
   ============================================ */

/* Reset e Variáveis */
:root {
    /* Paleta de Cores - Mesclada */
    --color-primary: #1F6B3F; /* Verde institucional escuro - para elementos principais */
    --color-secondary: #2F8F5B; /* Verde médio - para gradientes e destaques */
    --color-accent: #B6A600; /* Amarelo institucional - para datas e destaques */
    --color-metallic: #6b6b6b; /* Cinza médio - mantido da paleta antiga */
    --color-text: #333333; /* Cinza escuro - mantido da paleta antiga para melhor legibilidade */
    --color-text-light: #666666; /* Cinza médio - mantido da paleta antiga */
    --color-text-lighter: #999999; /* Cinza claro - mantido da paleta antiga */
    --color-white: #FFFFFF; /* Branco */
    --color-bg-light: #f8f8f8; /* Cinza muito claro - mantido da paleta antiga */
    --color-bg-dark: #1F6B3F; /* Verde institucional escuro - para fundos escuros */
    --color-gray-light: #E6E6E6; /* Cinza claro - para tabelas */
    --color-bg-green-light: #DCE7DF; /* Verde claro acinzentado - para uso pontual */
    --gradient-primary: linear-gradient(135deg, #1F6B3F 0%, #2F8F5B 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(31, 107, 63, 0.9) 0%, rgba(47, 143, 91, 0.8) 100%);
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--color-white);
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm);
    text-decoration: none;
    z-index: 10000;
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

h1, h2 {
    color: var(--color-primary); /* Verde apenas para títulos principais */
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-text);
    line-height: 1.8;
}

/* Section Styles */
section {
    padding: var(--spacing-xxl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
}

.title-underline {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: var(--spacing-md) auto;
    border-radius: 2px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    gap: 4px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    transition: var(--transition);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--color-primary);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
    transition: background-image 1.5s ease-in-out;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(31, 107, 63, 0.85) 0%, rgba(47, 143, 91, 0.25) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.hero-logo {
    max-width: 800px;
    height: auto;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.3));
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-sm);
}

.hero-edition {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-date {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent); /* Amarelo institucional para datas */
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    font-weight: 400;
}

.hero-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* Sobre Section */
.sobre {
    background: var(--color-white);
}

.sobre-content {
    display: grid;
    gap: var(--spacing-xl);
}

.sobre-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.sobre-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background: var(--color-bg-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-primary);
    stroke-width: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(31, 107, 63, 0.05) 0%, rgba(47, 143, 91, 0.05) 100%);
    border-radius: 50%;
    padding: var(--spacing-sm);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(31, 107, 63, 0.1) 0%, rgba(47, 143, 91, 0.1) 100%);
}

.feature-icon svg {
    width: 40px;
    height: 40px;
}

.feature-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

/* Programação Section */
.programacao {
    background: var(--color-bg-light);
}

/* Investimento Section */
.investimento {
    background: var(--color-white);
}

/* Inscrição Section */
.inscricao {
    background: var(--color-bg-light);
}

/* CTA Patrocínio Section */
.patrocinio-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    padding: var(--spacing-xxl) var(--spacing-md);
    text-align: center;
    color: var(--color-white);
}

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

.patrocinio-cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.patrocinio-cta-text {
    font-size: 1.25rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.95);
}

.patrocinio-cta-btn {
    background: var(--color-white);
    color: var(--color-primary);
    font-size: 1.25rem;
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--color-white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.patrocinio-cta-btn:hover {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Realização Section */
.realizacao {
    background: var(--color-white);
}

.apoio-content {
    padding: var(--spacing-lg) 0;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 1.2fr 1.3fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    align-items: start;
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-section h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-logo {
    align-items: flex-start;
}

.footer-logo-img {
    max-width: 200px;
    height: auto;
    opacity: 0.95;
    transition: var(--transition);
    filter: brightness(0) invert(1);
    margin-bottom: var(--spacing-md);
}

.footer-logo-img:hover {
    opacity: 1;
    transform: scale(1.05);
    filter: brightness(0) invert(1);
}

.footer-org-desc {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-top: var(--spacing-md);
}

.footer-contact {
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    align-items: flex-start;
}

.contact-icon {
    width: 20px;
    height: 20px;
    color: rgba(255, 255, 255, 0.9);
    flex-shrink: 0;
    margin-top: 4px;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
    font-size: 0.95rem;
}

.contact-item p:last-child {
    margin-bottom: 0;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--color-white);
    text-decoration: underline;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links ul li {
    margin: 0;
}

.footer-links ul li a {
    display: inline-block;
    padding: var(--spacing-xs) 0;
    transition: var(--transition);
    position: relative;
    padding-left: var(--spacing-sm);
}

.footer-links ul li a::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0;
    transition: var(--transition);
}

.footer-links ul li a:hover::before {
    opacity: 1;
    left: -5px;
}

.footer-links ul li a:hover {
    padding-left: var(--spacing-md);
    color: var(--color-white);
}

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

.social-links a {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}