/* Header */
.header {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 215, 0, 0.3);
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(26, 26, 46, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
    font-family: 'Cinzel Decorative', serif;
    font-size: 2rem;
    font-weight: 700;
    color: #ffd700;
    text-decoration: none;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: #f0f0f0;
    text-decoration: none;
    font-weight: 400;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #ffd700;
    text-shadow: 0 0 5px rgba(255, 215, 0, 0.5);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #ffd700, #c0c0c0);
    transition: width 0.3s ease;
}

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

.nav-menu a.active {
    color: #ffd700;
    text-shadow: 0 0 5px rgba(255, 215, 0, 0.5);
}

.nav-menu a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #f0f0f0;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mobile-menu-btn.active {
    color: #ffd700;
}

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

.nav-brand h1 {
    font-family: 'Cinzel Decorative', serif;
    font-size: 2rem;
    font-weight: 700;
    color: #ffd700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.back-btn {
    color: #f0f0f0;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
}

.back-btn:hover {
    color: #ffd700;
    background: rgba(255, 215, 0, 0.1);
}

/* Responsividade do header */
@media (max-width: 768px) {
    .header-content {
        padding: 0 15px;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        height: auto;
        background: rgba(26, 26, 46, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 2rem;
        transform: translateY(-100%);
        transition: transform 0.3s ease;
        border-top: 1px solid rgba(255, 215, 0, 0.3);
        z-index: 999;
        gap: 1rem;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-menu a {
        font-size: 1.1rem;
        padding: 0.5rem 0;
    }

    .mobile-menu-btn {
        display: block;
        z-index: 1001;
    }
}