/*
 * Header Moderno - A Fantástica Aventura do Circo
 * Inspirado no estilo Cyberpunk com adaptação para tema infantil
 */

/* Estilos do cabeçalho modernizado */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(90deg, rgba(189,120,200,0.95) 0%, rgba(91,42,138,0.95) 100%);
    box-shadow: 0 4px 20px rgba(189, 120, 200, 0.3);
    padding: 1rem 0;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-bottom: 2px solid rgba(249, 231, 159, 0.5);
}

.site-header.scrolled {
    padding: 0.8rem 0;
    background: linear-gradient(90deg, rgba(189,120,200,0.98) 0%, rgba(91,42,138,0.98) 100%);
    box-shadow: 0 4px 25px rgba(189, 120, 200, 0.4);
}

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

/* Logo com efeito de brilho */
.logo {
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo img {
    height: 6.5rem;
    width: auto;
    filter: drop-shadow(0 0 8px rgba(249, 231, 159, 0.6));
    transition: filter 0.3s ease;
}

.logo:hover img {
    filter: drop-shadow(0 0 12px rgba(249, 231, 159, 0.8));
}

/* Navegação principal */
.main-nav {
    display: flex;
    align-items: center;
}

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

.nav-links li {
    position: relative;
    transition: transform 0.3s ease;
}

.nav-links li:hover {
    transform: translateY(-3px);
}

.nav-links a {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.8rem;
    color: var(--color-white);
    position: relative;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
    text-shadow: 0 0 5px rgba(249, 231, 159, 0.3);
}

.nav-links a:hover {
    color: var(--color-accent);
    text-shadow: 0 0 8px rgba(249, 231, 159, 0.6);
}

/* Efeito de linha animada */
.nav-links a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
    transition: width 0.3s ease, left 0.3s ease;
    transform-origin: center;
    border-radius: 3px;
    box-shadow: 0 0 8px rgba(249, 231, 159, 0.6);
}

.nav-links a:hover::before {
    width: 100%;
    left: 0;
}

/* Botão de participar com efeito neon */
.nav-links a.btn-primary {
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-secondary) 100%);
    color: var(--color-dark);
    border: none;
    padding: 0.8rem 1.6rem;
    border-radius: var(--border-radius-md);
    box-shadow: 0 0 15px rgba(249, 231, 159, 0.5);
    text-shadow: none;
    font-weight: 700;
    transition: all 0.3s ease;
}

.nav-links a.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 20px rgba(249, 231, 159, 0.8);
    color: var(--color-dark);
}

.nav-links a.btn-primary::before {
    display: none;
}

/* Menu mobile com estilo moderno */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 2.4rem;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    width: 4.5rem;
    height: 4.5rem;
    align-items: center;
    justify-content: center;
}

.menu-toggle:hover {
    color: var(--color-accent);
    transform: scale(1.1);
    background-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 10px rgba(249, 231, 159, 0.3);
}

.menu-toggle:active {
    transform: scale(0.95);
}

/* Responsividade do menu */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: linear-gradient(135deg, rgba(189,120,200,0.98) 0%, rgba(91,42,138,0.98) 100%);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-lg);
        transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        padding: var(--spacing-xl) var(--spacing-md);
        z-index: 1001;
        box-shadow: -5px 0 25px rgba(0, 0, 0, 0.2);
        backdrop-filter: blur(10px);
        border-left: 2px solid rgba(249, 231, 159, 0.5);
        overflow-y: auto;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        opacity: 0;
        transform: translateX(50px);
        transition: opacity 0.4s ease, transform 0.4s ease;
        transition-delay: calc(0.1s * var(--item-index, 0));
        margin-bottom: 1.5rem;
        width: 100%;
        text-align: center;
    }

    .nav-links.active li {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 2.2rem;
        display: inline-block;
        padding: 1rem 2rem;
        width: 100%;
    }

    /* Animation classes for nav links */
    .nav-link-animate {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.5s ease, transform 0.5s ease;
    }

    .nav-link-visible {
        opacity: 1;
        transform: translateY(0);
    }

    .close-menu {
        position: absolute;
        top: 2rem;
        right: 2rem;
        background: none;
        border: none;
        color: var(--color-white);
        font-size: 2.4rem;
        cursor: pointer;
        transition: all 0.3s ease;
        z-index: 1002;
    }

    .close-menu:hover {
        color: var(--color-accent);
        transform: rotate(90deg);
    }

    /* Add overlay when menu is active */
    body.menu-open::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 1000;
        backdrop-filter: blur(3px);
    }
}