:root {
    --primary-color: #003d82;
    --secondary-color: #0056b3;
    --accent-color: #28a745;
    --danger-color: #dc3545;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --dark-bg: #1a1f36;
    --white: #fff;
    --gray-light: #e9ecef;
    --gray-medium: #6c757d;
    --border-radius: 8px;
    --transition-speed: 0.3s;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

a {
    text-decoration: none;
    color: var(--secondary-color);
    transition: color var(--transition-speed);
}

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

ul {
    list-style: none;
}

/* Banner */
.banner-container {
    width: 100%;
    height: 280px;
    overflow: hidden;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    background-color: #f0f0f0;
}

.site-banner {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
}

/* Header e Navegação */
header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar-brand {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--primary-color);
    font-weight: 600;
    padding: 0.5rem 1rem;
    position: relative;
    transition: color var(--transition-speed);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    background-color: var(--secondary-color);
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    transition: width var(--transition-speed) ease-out;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    background: none;
    border: none;
    padding: 0;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: all var(--transition-speed) ease;
    display: block;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

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

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

.mobile-nav {
    display: none;
    flex-direction: column;
    background-color: var(--white);
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    box-shadow: var(--shadow-md);
    padding: 1rem 0;
    z-index: 999;
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav a {
    padding: 0.75rem 1.5rem;
    color: var(--primary-color);
    font-weight: 600;
    display: block;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 20px;
}

.tab-content {
    display: none;
    padding: 2rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    animation: fadeIn 0.5s ease-out forwards;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

h1, h2, h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.3rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

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

a.card {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

a.card:hover h3, a.card:hover p {
    color: var(--secondary-color);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.card h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.card p {
    color: var(--gray-medium);
    margin-bottom: 0;
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: var(--gray-light);
    padding: 3rem 20px 1rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-section a {
    color: var(--gray-light);
    display: block;
    margin-bottom: 0.5rem;
    transition: color var(--transition-speed);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .banner-container {
        height: 220px;
    }

    .tab-content {
        padding: 1.5rem;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* Utilitários */
.text-center {
    text-align: center;
}

.mb-2 {
    margin-bottom: 2rem;
}

/* Textos editáveis pelo painel */
.subtitulo {
    font-size: 1.2rem;
    color: var(--gray-medium);
}

.caixa-texto {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.card-dica {
    font-size: 0.8rem;
    margin-top: 0.5rem;
    color: var(--secondary-color) !important;
}

/* Página de convenções */
main {
    min-height: 60vh;
}

.content-area {
    padding: 2rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.content-area h1 {
    margin-bottom: 1.5rem;
}

.convention-list {
    margin-top: 2rem;
}

.convention-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    transition: transform 0.2s;
    border-left: 5px solid var(--secondary-color);
}

.convention-item:hover {
    transform: translateX(5px);
    background: #f0f4f8;
}

.convention-info h3 {
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.convention-info p {
    margin-bottom: 0;
}

.btn-download {
    background-color: var(--accent-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    transition: background-color 0.3s;
}

.btn-download:hover {
    background-color: #218838;
    color: white;
}

@media (max-width: 768px) {
    .convention-item {
        flex-direction: column;
        text-align: center;
    }

    .content-area,
    .caixa-texto {
        padding: 1.5rem;
    }
}