/* ===================================
   Header e Navegação
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(10, 15, 29, 0.95);
    backdrop-filter: var(--backdrop-blur-strong);
    border-bottom: var(--border-width) solid rgba(0, 209, 255, 0.2);
    z-index: var(--z-index-header);
    transition: all var(--transition-smooth);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header.scrolled {
    height: calc(var(--header-height) - 15px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 209, 255, 0.2);
    border-bottom-color: var(--color-accent);
    background: rgba(10, 15, 29, 0.98);
}

.header.scrolled .logo {
    height: 75px;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    width: 100%;
    max-width: 100%;
}

/* Logo */
.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-smooth);
    position: relative;
}

.logo-link::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(0, 209, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity var(--transition-smooth);
    z-index: -1;
}

.logo-link:hover::after {
    opacity: 1;
    animation: pulse-soft 1.5s ease-in-out infinite;
}

.logo-link:hover {
    transform: scale(1.08);
}

.logo {
    height: 90px;
    width: auto;
    object-fit: contain;
    display: block;
    transition: all var(--transition-smooth);
    filter: drop-shadow(0 3px 10px rgba(0, 209, 255, 0.4));
}

.logo:hover {
    filter: drop-shadow(0 5px 15px rgba(0, 209, 255, 0.6));
    transform: scale(1.03);
}

.logo-text {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
}

/* Navegação */
.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    position: relative;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
    transition: all var(--transition-smooth);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width var(--transition-smooth);
    box-shadow: var(--shadow-glow);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
    transform: translateY(-2px);
}

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

/* Menu Mobile */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 25px;
    cursor: pointer;
    z-index: calc(var(--z-index-header) + 1);
}

.hamburger {
    width: 100%;
    height: 3px;
    background: var(--color-accent);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
}

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

/* Responsividade Header */
@media (max-width: 768px) {
    .header {
        height: var(--header-height-mobile);
    }
    
    .header .container {
        padding: 0 1rem;
    }
    
    .logo {
        height: 60px;
        object-fit: contain;
        max-width: 200px;
    }
    
    .logo-text {
        font-size: var(--font-size-base);
    }
    
    .mobile-menu-toggle {
        display: flex;
        flex-shrink: 0;
        position: relative;
        z-index: calc(var(--z-index-header) + 2);
    }
    
    .nav {
        position: fixed;
        top: var(--header-height-mobile);
        left: 0;
        width: 100vw;
        height: calc(100vh - var(--header-height-mobile));
        background: #0a0e1a;
        background: rgba(10, 14, 26, 0.98);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: var(--spacing-2xl) var(--spacing-lg);
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: calc(var(--z-index-header) - 1);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        visibility: visible;
        opacity: 1;
    }
    
    .nav.active {
        transform: translateX(0);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }
    
    /* Debug: borda vermelha quando menu ativo */
    .nav.active::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 5px;
        height: 100%;
        background: var(--color-accent);
        opacity: 0.5;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-lg);
        width: 100%;
        height: auto;
    }
    
    .nav-link {
        font-size: var(--font-size-lg);
        padding: var(--spacing-sm) 0;
        width: 100%;
        display: block;
        color: var(--color-white);
        opacity: 1;
        visibility: visible;
        position: relative;
        z-index: 1;
    }
    
    .nav-link:hover {
        color: var(--color-accent);
    }
}

/* Mobile Pequeno - Correção Extra */
@media (max-width: 480px) {
    .header .container {
        padding: 0 0.75rem;
    }
    
    .logo {
        height: 50px;
        max-width: 150px;
    }
    
    .logo-link {
        gap: 0.5rem;
    }
    
    .mobile-menu-toggle {
        width: 28px;
        height: 22px;
    }
}