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

:root {
    /* Cores do tema Black Braune - Dark Theme */
    --primary-color: #000000;
    --secondary-color: #FFC53A;
    --accent-color: #E6A201;
    --dark-color: #000000;
    --dark-bg: #111111;
    --dark-card: #1a1a1a;
    --dark-lighter: #2a2a2a;
    --light-color: #f8f9fa;
    --white: #ffffff;
    --gray: #8a8a8a;
    --gray-dark: #666666;
    --success: #27ae60;
    --danger: #e74c3c;
    
    /* Tipografia */
    --font-primary: 'Poppins', sans-serif;
    --font-size-small: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    
    /* Bordas */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* Transições */
    --transition: all 0.3s ease;
}

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

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

/* Utilitários */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: var(--font-size-base);
    min-width: 120px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: var(--primary-color);
    font-weight: 700;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
}

.btn-secondary:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray);
    /* max-width: 600px; */
    margin: 0 auto;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 197, 58, 0.2);
    transform: translateY(-100%);
    opacity: 0;
}

.header.scrolled {
    transform: translateY(0);
    opacity: 1;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border-bottom: 1px solid rgba(255, 197, 58, 0.3);
}

/* Efeito glass adicional */
.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, 
        rgba(255, 197, 58, 0.05) 0%, 
        rgba(255, 197, 58, 0.02) 50%, 
        transparent 100%);
    pointer-events: none;
    opacity: 0;
    transition: var(--transition);
}

.header.scrolled::before {
    opacity: 1;
}

.navbar {
    padding: var(--spacing-sm) 0;
}

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

.nav-brand .logo {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0;
    max-width: 100px;
}

.logo-subtitle {
    font-size: var(--font-size-small);
    color: var(--accent-color);
    margin: 0;
}

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

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--secondary-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    /* background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 50%, var(--secondary-color) 100%); */
    background: black;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>'); */
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    text-align: center;
    color: var(--white);
    z-index: 2;
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.hero-logo {
    margin-bottom: 0px;
}

.hero-logo-img {
    max-width: 100%;
    height: auto;
    max-height: 60vh;
    width: auto;
    margin-bottom: 0px;
    animation: fadeInUp 1s ease-out;
    filter: drop-shadow(0 10px 30px rgba(255, 197, 58, 0.3));
    transition: var(--transition);
}

.hero-logo-img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 15px 40px rgba(255, 197, 58, 0.5));
}

.hero-title {
    font-size: clamp(4rem, 12vw, 8rem);
    font-weight: 700;
    margin-bottom: 0px;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease-out;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: 0px;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.2s both;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-description {
    font-size: var(--font-size-lg);
    margin-bottom: 0px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.85;
    animation: fadeInUp 1s ease-out 0.4s both;
    line-height: 1.6;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.event-dates {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(15px);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 1s ease-out 0.6s both;
    /* border: 2px solid rgba(255, 197, 58, 0.3); */
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.event-dates h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.event-dates p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    color: var(--white);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero .btn {
    animation: fadeInUp 1s ease-out 0.8s both;
    font-size: var(--font-size-lg);
    padding: var(--spacing-md) var(--spacing-xl);
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 8px 25px rgba(255, 197, 58, 0.3);
    position: relative;
    overflow: hidden;
}

.hero .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
}

.hero .btn:hover::before {
    left: 100%;
}

/* Scroll Down Button */
.scroll-down-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid var(--secondary-color);
    border-radius: 50%;
    color: var(--secondary-color);
    text-decoration: none;
    font-size: var(--font-size-xl);
    transition: var(--transition);
    animation: fadeInUp 1s ease-out 0.8s both, bounce 2s infinite 2s;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    margin-top: var(--spacing-lg);
}

.scroll-down-btn:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 197, 58, 0.4);
}

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

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

/* About Section */
.about {
    padding: var(--spacing-xl) 0 var(--spacing-2xl) 0;
    background: var(--dark-card);
}

.about-intro {
    margin-bottom: var(--spacing-xl);
    /* text-align: center; */
}

.about-intro-text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--white);    
    text-align: justify;
    margin: 0 auto;    
}

.about-intro-text strong {
    /* color: var(--secondary-color); */
    font-weight: 700;
}

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

.about-text h3 {
    font-size: var(--font-size-xl);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.objectives-list {
    list-style: none;
}

.objectives-list li {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
}

.objectives-list i {
    color: var(--accent-color);
    margin-right: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.about-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.historical-image {
    width: 100%;
    /* max-width: 400px; */
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    /* border: 3px solid var(--secondary-color); */
}

.historical-image:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(255, 197, 58, 0.3);
}

.image-caption {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-small);
    color: var(--gray);
    font-style: italic;
    text-align: center;
}
.about-partners {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
}
.about-partners h3 {
    
    font-size: var(--font-size-xl);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.partner-card {
    /* background: var(--dark-lighter); */
    /* padding: var(--spacing-lg); */
    border-radius: var(--border-radius);
    /* box-shadow: var(--shadow-sm); */
    text-align: center;
    transition: var(--transition);
    /* border: 1px solid var(--dark-lighter); */
    display: flex;
    align-items: center;
    justify-content: center;
    /* min-height: 220px; */
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    /* border-color: var(--secondary-color); */
}

.partner-logo {
    max-width: 100%;
    max-height: 180px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: var(--transition);
    filter: brightness(0.9);
}

.partner-logo:hover {
    /* filter: brightness(1); */
    transform: scale(1.05);
}

.partner-card h4 {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-xs);
}

.partner-card p {
    color: var(--gray);
    font-size: var(--font-size-small);
}

/* Programação Section */
.programacao {
    padding: var(--spacing-2xl) 0;
    background: var(--dark-bg);
}

.program-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-sm);
}

.tab-button {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--secondary-color);
    background: var(--dark-card);
    color: var(--white);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.tab-button.active,
.tab-button:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
}

.program-content {
    position: relative;
}

.program-day {
    display: none;
}

.program-day.active {
    display: block;
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.program-day h3 {
    text-align: center;
    font-size: var(--font-size-xl);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-lg);
}

.program-grid {
    display: grid;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.program-item {
    display: flex;
    background: var(--dark-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--accent-color);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--dark-lighter);
}

.program-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
    border-color: var(--secondary-color);
}

.program-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.program-time {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--accent-color);
    min-width: 80px;
    margin-right: var(--spacing-md);
}

.program-details h4 {
    font-size: var(--font-size-lg);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-xs);
}

.program-details p {
    color: var(--gray);
}

.program-info {
    margin: auto;
    max-width: 800px;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    /* background: var(--dark-lighter); */
    border-radius: var(--border-radius);
    /* border-left: 4px solid var(--secondary-color); */
}

.program-schedule {
    font-size: var(--font-size-lg);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-xs);
}

.program-infrastructure {
    font-size: var(--font-size-base);
    color: var(--gray);
    margin: 0;
    font-style: italic;
}

/* Lojas Section */
.lojas {
    padding: var(--spacing-2xl) 0;
    background: var(--dark-card);
}

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

.loja-card {
    background: var(--dark-lighter);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid var(--dark-lighter);
}

.loja-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary-color);
}

.loja-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.loja-icon i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
}

.loja-card h3 {
    font-size: var(--font-size-xl);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.loja-card p {
    color: var(--gray);
    margin-bottom: var(--spacing-md);
}

.loja-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.loja-link:hover {
    color: var(--secondary-color);
}

.lojas-cta {
    color: var(--white);
    text-align: center;
    padding: var(--spacing-xl);
    /* background: linear-gradient(135deg, var(--secondary-color), var(--accent-color)); */
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.lojas-cta p {
    font-size: var(--font-size-lg);
    /* color: var(--primary-color); */
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

/* Cadastro Section */
.cadastro {
    padding: var(--spacing-2xl) 0;
    background: var(--dark-bg);
}

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

.cadastro-info h3 {
    font-size: var(--font-size-xl);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.benefits-list {
    list-style: none;
}

.benefits-list li {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
}

.benefits-list i {
    color: var(--accent-color);
    margin-right: var(--spacing-sm);
    font-size: var(--font-size-lg);
    min-width: 20px;
}

.cadastro-form {
    background: var(--dark-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--dark-lighter);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--secondary-color);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--dark-lighter);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: var(--transition);
    background: var(--dark-lighter);
    color: var(--white);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(230, 162, 1, 0.2);
}

.form-group select[multiple] {
    height: 120px;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-weight: normal;
    margin-bottom: 0;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--dark-lighter);
    border-radius: 4px;
    margin-right: var(--spacing-sm);
    margin-top: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
    background: var(--dark-lighter);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 14px;
}

/* Patrocinadores Oficiais Section */
.patrocinadores {
    padding: var(--spacing-2xl) 0;
    background: var(--dark-darker);
    position: relative;
}

.patrocinadores::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 197, 58, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.patrocinadores .section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

/* .patrocinadores .section-header h2 {
    font-size: var(--font-size-3xl);
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
} */

/* .patrocinadores .section-header p {
    color: var(--text-muted);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
} */

.patrocinadores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
    align-items: center;
}

.patrocinador-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    height: 120px;
}

.patrocinador-logo:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-5px);
}

.patrocinador-logo img {
    max-height: 80px;
    max-width: 180px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: brightness(1) contrast(1);
    transition: var(--transition);
}

.patrocinador-logo:hover img {
    transform: scale(1.05);
    filter: brightness(1.1) contrast(1.1);
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.footer-section p {
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
    line-height: 1.6;
}

.footer-section i {
    margin-right: var(--spacing-xs);
    color: var(--secondary-color);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
    opacity: 0.8;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    font-weight: bold;
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.footer-contact-link {
    color: inherit;
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-contact-link:hover {
    color: var(--secondary-color);
    opacity: 1;
}

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

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.developer-credit {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

.developer-logo {
    height: 100px;
    width: auto;
    opacity: 0.8;
    transition: var(--transition);
}

.developer-logo:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* Responsividade */
@media (max-width: 1024px) {
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    
    .partner-card {
        min-height: 120px;
    }
    
    .partner-logo {
        max-height: 80px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
        .nav-menu {
            position: fixed;
            top: 70px;
            left: -100%;
            width: 100%;
            height: calc(100vh - 70px);
            background: var(--dark-bg);
            flex-direction: column;
            justify-content: flex-start;
            align-items: center;
            padding-top: var(--spacing-xl);
            transition: var(--transition);
            box-shadow: var(--shadow-lg);
            border-top: 1px solid var(--dark-lighter);
        }    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: var(--spacing-md) 0;
    }
    
    .hero-logo-img {
        max-height: 200px;
    }
    
    .hero-title {
        font-size: clamp(2.5rem, 10vw, 5rem);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
        letter-spacing: 1px;
    }
    
    .hero-description {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-lg);
    }
    
    .event-dates {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }
    
    .event-dates h2 {
        font-size: var(--font-size-xl);
    }
    
    .scroll-down-btn {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
        margin-top: var(--spacing-md);
    }
    
    .about-content,
    .cadastro-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .about-intro-text {
        font-size: var(--font-size-base);
        padding: var(--spacing-md);
    }
    
    .historical-image {
        max-width: 100%;
    }
    
    .about-image {
        margin-top: var(--spacing-lg);
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        max-width: 300px;
    }
    
    .partner-card {
        min-height: 120px;
        padding: var(--spacing-md);
    }
    
    .partner-logo {
        max-height: 90px;
    }
    
    .about-partners {
        margin-top: var(--spacing-lg);
        margin-bottom: var(--spacing-xl);
        padding-bottom: var(--spacing-lg);
    }
    
    .program-tabs {
        flex-wrap: wrap;
    }
    
    .tab-button {
        flex: 1;
        min-width: 120px;
        font-size: var(--font-size-small);
    }
    
    .program-info {
        padding: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }
    
    .program-schedule {
        font-size: var(--font-size-base);
    }
    
    .program-infrastructure {
        font-size: var(--font-size-small);
    }
    
    .program-item {
        flex-direction: column;
        text-align: center;
    }
    
    .program-time {
        margin-right: 0;
        margin-bottom: var(--spacing-sm);
        min-width: auto;
    }
    
    .lojas-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .patrocinadores-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .patrocinador-logo {
        padding: var(--spacing-md);
        height: 120px;
    }
    
    .patrocinador-logo img {
        max-height: 80px;
        max-width: 170px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .developer-credit {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .btn {
        padding: var(--spacing-sm);
        min-width: 100px;
        font-size: var(--font-size-small);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-logo-img {
        max-height: 150px;
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .event-dates {
        padding: var(--spacing-md);
    }
    
    .event-dates h2 {
        font-size: var(--font-size-xl);
    }
    
    .lojas-grid {
        grid-template-columns: 1fr;
    }
    
    .patrocinadores-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .patrocinador-logo {
        padding: var(--spacing-md);
        height: 100px;
    }
    
    .patrocinador-logo img {
        max-height: 70px;
        max-width: 140px;
    }
    
    .patrocinadores .section-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    .loja-card {
        padding: var(--spacing-md);
    }
    
    .loja-icon {
        width: 60px;
        height: 60px;
    }
    
    .loja-icon i {
        font-size: var(--font-size-xl);
    }
}

/* Animações de scroll */
@media (prefers-reduced-motion: no-preference) {
    .fade-in {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .fade-in.visible {
        opacity: 1;
        transform: translateY(0);
    }
    
    .slide-in-left {
        opacity: 0;
        transform: translateX(-50px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .slide-in-left.visible {
        opacity: 1;
        transform: translateX(0);
    }
    
    .slide-in-right {
        opacity: 0;
        transform: translateX(50px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .slide-in-right.visible {
        opacity: 1;
        transform: translateX(0);
    }
}