/* ========================================
   HEADER STYLES - DELL MUSIC
   ======================================== */

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--cor-branco);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.preloader-content {
    text-align: center;
}

.preloader-logo {
    font-family: var(--fonte-titulo);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

.preloader-logo .logo-dell {
    color: var(--cor-principal);
}

.preloader-logo .logo-music {
    color: var(--cor-secundaria);
}

.preloader-spinner {
    display: flex;
    justify-content: center;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--cor-cinza);
    border-top: 4px solid var(--cor-secundaria);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Header Container */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transicao);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header.header-scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.15);
}

/* Header Top Bar */
.header-top {
	background: var(--cor-principal);
	color: var(--cor-branco);
	font-size: 0.9rem;
	padding: 0.6rem;
}

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

.header-contact {
    display: flex;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-item i {
    font-size: 0.8rem;
    color: var(--cor-secundaria);
}

.contact-item a {
    color: var(--cor-branco);
    text-decoration: none;
    transition: var(--transicao);
}

.contact-item a:hover {
    color: var(--cor-secundaria);
}

.header-social {
    display: flex;
    gap: 1rem;
}

.header-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--cor-branco);
    text-decoration: none;
    transition: var(--transicao);
    font-size: 0.8rem;
}

.header-social a:hover {
    background: var(--cor-secundaria);
    transform: translateY(-2px);
}

/* Main Header */
.header-main {
    background: var(--cor-branco);
    padding: 1rem 0;
    position: relative;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

/* Logo */
.header-logo {
    flex-shrink: 0;
}

.logo-text {
    font-family: var(--fonte-titulo);
    font-size: 2rem;
    font-weight: 800;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.logo-dell {
    color: var(--cor-principal);
}

.logo-music {
    color: var(--cor-secundaria);
}

.custom-logo-link img {
    height: 50px;
    width: auto;
}

/* Navigation */
.header-nav {
    flex-grow: 1;
    display: flex;
    justify-content: center;
}

.main-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.main-menu li {
    position: relative;
}

.main-menu a {
    color: var(--cor-principal);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 0;
    transition: var(--transicao);
    position: relative;
}

.main-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--cor-secundaria);
    transition: var(--transicao);
}

.main-menu a:hover {
    color: var(--cor-secundaria);
}

.main-menu a:hover::after,
.main-menu .current-menu-item a::after {
    width: 100%;
}

/* CTA Button */
.header-cta {
    flex-shrink: 0;
}

.header-cta .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    gap: 0.5rem;
    display: flex;
    align-items: center;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 2px;
    background: var(--cor-principal);
    transition: var(--transicao);
}

.mobile-menu-toggle:hover span {
    background: var(--cor-secundaria);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transicao);
}

.mobile-menu.mobile-menu-open {
    display: flex;
    opacity: 1;
}

.mobile-menu-content {
    background: var(--cor-branco);
    border-radius: 15px;
    padding: 2rem;
    max-width: 90%;
    width: 400px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.mobile-menu-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--cor-principal);
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
}

.mobile-menu-close:hover {
    color: var(--cor-secundaria);
}

.mobile-menu-list {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
}

.mobile-menu-list li {
    margin-bottom: 1rem;
}

.mobile-menu-list a {
    color: var(--cor-principal);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 0.5rem 0;
    display: block;
    transition: var(--transicao);
    border-bottom: 1px solid var(--cor-cinza);
}

.mobile-menu-list a:hover {
    color: var(--cor-secundaria);
    padding-left: 1rem;
}

.mobile-menu-cta {
    text-align: center;
    margin-bottom: 2rem;
}

.mobile-menu-cta .btn {
    width: 100%;
    justify-content: center;
    gap: 0.5rem;
}

.mobile-menu-contact {
    margin-bottom: 2rem;
}

.mobile-menu-contact h4 {
    color: var(--cor-principal);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.mobile-menu-contact p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.mobile-menu-contact i {
    color: var(--cor-secundaria);
    width: 16px;
}

.mobile-menu-contact a {
    color: var(--cor-texto-claro);
    text-decoration: none;
    transition: var(--transicao);
}

.mobile-menu-contact a:hover {
    color: var(--cor-secundaria);
}

.mobile-menu-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.mobile-menu-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--cor-principal);
    border-radius: 50%;
    color: var(--cor-branco);
    text-decoration: none;
    transition: var(--transicao);
}

.mobile-menu-social a:hover {
    background: var(--cor-secundaria);
    transform: translateY(-2px);
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
}

.whatsapp-float a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #25d366;
    color: var(--cor-branco);
    padding: 12px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transicao);
}

.whatsapp-float a:hover {
    background: #22c55e;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
    color: var(--cor-branco);
}

.whatsapp-float i {
    font-size: 1.2rem;
}

.whatsapp-text {
    font-size: 0.9rem;
}

/* Header Scroll Background */
.header-scroll-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cor-secundaria), var(--cor-principal));
    z-index: 1001;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .header-contact {
        gap: 1.5rem;
    }
    
    .main-menu {
        gap: 1.5rem;
    }
    
    .header-cta .btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .header-top {
        display: none;
    }
    
    .header-nav {
        display: none;
    }
    
    .header-cta {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-content {
        gap: 1rem;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .whatsapp-text {
        display: none;
    }
    
    .whatsapp-float a {
        width: 56px;
        height: 56px;
        border-radius: 50%;
        padding: 0;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .header-main {
        padding: 0.75rem 0;
    }
    
    .logo-text {
        font-size: 1.3rem;
    }
    
    .mobile-menu-content {
        padding: 1.5rem;
        border-radius: 10px;
    }
    
    .whatsapp-float {
        bottom: 15px;
        right: 15px;
    }
    
    .whatsapp-float a {
        width: 50px;
        height: 50px;
    }
}

/* Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header {
    animation: slideDown 0.5s ease-out;
}

/* Scroll Indicator */
.header-scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--cor-cinza);
    z-index: 1001;
}

.header-scroll-indicator::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--cor-secundaria), var(--cor-principal));
    width: var(--scroll-width, 0%);
    transition: width 0.1s ease;
}

/* Body adjustments when header is fixed */

@media (max-width: 768px) {
    body {
        padding-top: 70px; /* Adjust for mobile header height */
    }
}

/* Submenu styles (for future use) */
.main-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--cor-branco);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    padding: 1rem 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transicao);
    z-index: 100;
}

.main-menu li:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-menu .sub-menu li {
    margin: 0;
}

.main-menu .sub-menu a {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    color: var(--cor-texto);
    border-bottom: 1px solid var(--cor-cinza);
}

.main-menu .sub-menu a:hover {
    background: var(--cor-fundo);
    color: var(--cor-secundaria);
}

.main-menu .sub-menu a::after {
    display: none;
}

/* Header search (for future use) */
.header-search {
    position: relative;
}

.header-search input {
    background: var(--cor-fundo);
    border: 2px solid transparent;
    border-radius: 25px;
    padding: 8px 40px 8px 15px;
    width: 200px;
    font-size: 0.9rem;
    transition: var(--transicao);
}

.header-search input:focus {
    outline: none;
    border-color: var(--cor-secundaria);
    width: 250px;
}

.header-search button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--cor-secundaria);
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    color: var(--cor-branco);
    cursor: pointer;
    transition: var(--transicao);
}

.header-search button:hover {
    background: var(--cor-principal);
}

/* Accessibility improvements */
.header-nav a:focus,
.mobile-menu-toggle:focus,
.whatsapp-float a:focus {
    outline: 2px solid var(--cor-secundaria);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .whatsapp-float {
        display: none !important;
    }
    
    body {
        padding-top: 0 !important;
    }
}