/* ============================================
   HEADER.CSS - Estilos específicos del header
   ============================================ */

/* 1. TOP BAR */
.top-bar {
    background: var(--color-light);
    color: var(--color-text);
    padding: var(--spacing-3) 0;
    text-align: center;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
}

.promo-text {
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
    letter-spacing: 0.5px;
}

/* 2. HEADER PRINCIPAL */
.main-header {
    background: var(--color-white);
    box-shadow: var(--shadow);
    padding: var(--spacing-4) 0;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: all var(--transition-normal);
}

.main-header.scrolled {
    box-shadow: var(--shadow-md);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: var(--backdrop-blur);
}

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

/* 3. LOGO */
.logo img {
    height: 50px;
    width: auto;
    transition: opacity var(--transition-fast);
}

.logo img:hover {
    opacity: 0.9;
}

/* 4. NAVEGACIÓN DESKTOP */
.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-6);
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    text-decoration: none;
    color: var(--color-gray-700);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) 0;
    position: relative;
}

.nav-menu a:hover {
    color: var(--color-primary);
}

.nav-menu .active {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.nav-menu .active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
}

/* 5. BOTÓN HAMBURGUESA (MOBILE) */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
    z-index: var(--z-40);
}

.hamburger {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    position: relative;
    transition: all var(--transition-normal);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    transition: all var(--transition-normal);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

/* 6. OVERLAY PARA MENÚ MOBILE */
.menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.menu-overlay.active {
    opacity: 1;
}

/* 7. MENÚ MOBILE */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--color-white);
    padding: var(--spacing-20) var(--spacing-6) var(--spacing-6);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    transition: right var(--transition-normal);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-8);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--color-gray-200);
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--color-gray-600);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.mobile-nav a {
    text-decoration: none;
    color: var(--color-gray-700);
    font-size: var(--font-size-lg);
    padding: var(--spacing-3) 0;
    border-bottom: 1px solid var(--color-gray-200);
    transition: color var(--transition-fast);
}

.mobile-nav a:hover,
.mobile-nav a.active {
    color: var(--color-primary);
}

/* 8. ESTADOS DEL MENÚ HAMBURGUESA */
.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* 9. HEADER CTA (CALL TO ACTION) */
.header-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.header-phone {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.header-phone:hover {
    color: var(--color-primary-dark);
}

.header-phone i {
    font-size: var(--font-size-lg);
}