/* ============================================
   CARIOCANDO — Navigation Styles
   Header, dropdowns, mobile nav, search overlay
   ============================================ */

/* ── Site Header ── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-nav);
    transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
    padding: var(--space-4) 0;
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
    padding: var(--space-2) 0;
}

.site-header.hero-header {
    background: transparent;
}

.site-header.hero-header .logo-text,
.site-header.hero-header .nav-list > .nav-item > a,
.site-header.hero-header .nav-dropdown-trigger,
.site-header.hero-header .header-search-toggle,
.site-header.hero-header .lang-switch {
    color: var(--branco);
}

.site-header.hero-header.scrolled .logo-text,
.site-header.hero-header.scrolled .nav-list > .nav-item > a,
.site-header.hero-header.scrolled .nav-dropdown-trigger,
.site-header.hero-header.scrolled .header-search-toggle,
.site-header.hero-header.scrolled .lang-switch {
    color: var(--cinza-mais-escuro);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

/* ── Logo ── */
.site-logo {
    display: flex;
    align-items: baseline;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--preto);
    letter-spacing: var(--tracking-tight);
    transition: color var(--transition);
}

.logo-dot {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--azul-rio);
    line-height: 0;
}

/* ── Main Nav ── */
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item > a,
.nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--cinza-mais-escuro);
    border-radius: var(--radius);
    transition: color var(--transition-fast), background var(--transition-fast);
    white-space: nowrap;
}

.nav-item > a:hover,
.nav-dropdown-trigger:hover,
.nav-item.active > a {
    color: var(--azul-rio);
    background: var(--azul-rio-10);
}

.nav-dropdown-trigger {
    cursor: pointer;
}

.nav-dropdown-trigger svg {
    transition: transform var(--transition-fast);
}

.nav-item.has-dropdown:hover .nav-dropdown-trigger svg,
.nav-item.has-dropdown.open .nav-dropdown-trigger svg {
    transform: rotate(180deg);
}

/* ── Dropdown ── */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 480px;
    background: var(--branco);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--cinza-claro);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    padding: var(--space-6);
    pointer-events: none;
}

.nav-item.has-dropdown {
    position: relative;
}

.nav-item.has-dropdown:hover .nav-dropdown,
.nav-item.has-dropdown.open .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: all;
}

.nav-dropdown-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

.nav-dropdown-label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    color: var(--cinza-texto-light);
    margin-bottom: var(--space-3);
    padding: 0 var(--space-3);
}

.nav-dropdown-col a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--cinza-escuro);
    border-radius: var(--radius);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-dropdown-col a:hover {
    background: var(--azul-ceu);
    color: var(--azul-rio);
}

.nav-dropdown-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius);
    background: var(--azul-ceu);
    color: var(--azul-rio);
    flex-shrink: 0;
    transition: background var(--transition-fast);
}

.nav-dropdown-col a:hover .nav-dropdown-icon {
    background: var(--azul-rio-20);
}

/* ── Header Actions ── */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

.header-search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    color: var(--cinza-mais-escuro);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.header-search-toggle:hover {
    background: var(--azul-rio-10);
    color: var(--azul-rio);
}

/* ── Language Switcher ── */
.lang-switch {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--cinza-mais-escuro);
    border-radius: var(--radius);
    transition: background var(--transition-fast);
    text-decoration: none;
}

.lang-switch:hover {
    background: var(--azul-rio-10);
}

.lang-flag {
    font-size: 1.1rem;
}

.lang-code {
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-wider);
}

/* ── Mobile Menu Toggle ── */
.mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 22px;
}

.hamburger span {
    display: block;
    height: 2px;
    background: currentColor;
    border-radius: var(--radius-full);
    transition: transform var(--transition), opacity var(--transition);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Search Overlay ── */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: calc(var(--z-nav) + 1);
    padding: var(--space-8) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-overlay-input-wrap {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-6);
    background: var(--off-white);
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    transition: border-color var(--transition-fast);
}

.search-overlay-input-wrap:focus-within {
    border-color: var(--azul-rio);
}

.search-overlay-input-wrap svg {
    color: var(--cinza-texto);
    flex-shrink: 0;
}

.search-overlay-input {
    flex: 1;
    border: none;
    background: none;
    font-size: var(--text-xl);
    font-weight: 500;
    color: var(--preto);
    outline: none;
}

.search-overlay-input::placeholder {
    color: var(--cinza-texto-light);
}

.search-overlay-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    color: var(--cinza-texto);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.search-overlay-close:hover {
    background: var(--cinza-claro);
    color: var(--preto);
}

.search-suggestions {
    margin-top: var(--space-6);
}

.search-suggestions-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--cinza-texto);
    margin-bottom: var(--space-3);
}

.search-suggestions-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.search-tag {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--azul-ceu);
    color: var(--azul-medio);
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: background var(--transition-fast), color var(--transition-fast);
    text-decoration: none;
}

.search-tag:hover {
    background: var(--azul-rio);
    color: var(--branco);
}

/* ── Mobile Nav Overlay ── */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--branco);
    z-index: calc(var(--z-nav) + 2);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
    overflow-y: auto;
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-content {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: var(--space-4) var(--gutter);
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--cinza-claro);
    margin-bottom: var(--space-4);
}

.mobile-nav-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    color: var(--cinza-escuro);
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.mobile-nav-link {
    display: block;
    padding: var(--space-4) var(--space-2);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--preto);
    border-bottom: 1px solid var(--cinza-bg);
    transition: color var(--transition-fast);
    text-decoration: none;
}

.mobile-nav-link:hover {
    color: var(--azul-rio);
}

.mobile-nav-link--small {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--cinza-texto);
}

.mobile-nav-list hr {
    margin: var(--space-4) 0;
    border: none;
    border-top: 1px solid var(--cinza-claro);
}

.mobile-nav-footer {
    padding-top: var(--space-6);
    border-top: 1px solid var(--cinza-claro);
    margin-top: auto;
}

.mobile-lang-switch {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--azul-ceu);
    border-radius: var(--radius);
    font-weight: 500;
    color: var(--azul-medio);
    text-decoration: none;
    transition: background var(--transition-fast);
}

.mobile-lang-switch:hover {
    background: var(--azul-rio-20);
}

/* ── Responsive Navigation ── */
@media (max-width: 1024px) {
    .main-nav {
        display: none;
    }
    .mobile-menu-toggle {
        display: flex;
    }
}