/* Header & Navegação — breadcrumb, system bar, logo, menu, dropdowns 3 níveis */
/* ========================================
   BREADCRUMB - SEMPRE uma linha, scroll horizontal
   ======================================== */
.breadcrumb-container {
    background: var(--bg-card);
    border-bottom: 1px solid #e5e7eb;
    padding: var(--spacing-md) 0;
}

.breadcrumb-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
}

.breadcrumb {
    display: block;
    font-size: var(--font-size-sm);
    list-style: none;
}

.breadcrumb-track {
    display: inline-block;
    white-space: nowrap;
}

.breadcrumb-item {
    display: inline;
    color: var(--text-secondary);
    transition: color var(--transition-base);
}

.breadcrumb-item a {
    color: inherit;
}

.breadcrumb-item:hover {
    color: var(--primary-base);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 600;
}

.breadcrumb-item::before {
    content: '/';
    color: var(--text-tertiary);
    margin: 0 var(--spacing-xs);
}

.breadcrumb-item:first-child::before {
    content: '';
    margin: 0;
}

/* ========================================
   SYSTEM BAR (topo — data + contato + redes)
   ======================================== */
.system-bar {
    background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary-base) 100%);
    color: var(--text-inverse);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-xs);
}

.system-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    gap: var(--spacing-md);
}

/* Contato + redes (lado direito) */
.system-contact {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

.system-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--text-inverse);
    text-decoration: none;
    opacity: .9;
    transition: opacity .2s;
    white-space: nowrap;
}
.system-link:hover {
    opacity: 1;
    color: var(--text-inverse);
    text-decoration: none;
}
.system-link svg {
    flex-shrink: 0;
}

/* Separador vertical entre contato e redes */
.system-divider {
    display: block;
    width: 1px;
    height: 14px;
    background: rgba(255, 255, 255, .35);
    flex-shrink: 0;
}

/* Ícones de redes sociais */
.system-social {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.system-social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    opacity: .8;
    transition: opacity .2s, transform .2s;
    line-height: 1;
}
.system-social-link:hover {
    opacity: 1;
    transform: scale(1.15);
    color: var(--text-inverse);
}

/* ── Responsivo: tablet (≤768px) ── */
@media (max-width: 768px) {
    .system-bar .container {
        gap: var(--spacing-sm);
    }
    .system-contact {
        gap: var(--spacing-sm);
    }
    /* Esconde texto de tel/email, mantém só ícone */
    .system-link-text {
        display: none;
    }
    .system-link {
        gap: 0;
    }
}

/* ── Responsivo: mobile pequeno (≤480px) ── */
@media (max-width: 480px) {
    .system-bar {
        padding: var(--spacing-xs) 0;
        font-size: 0.65rem;
    }
    .system-bar .container {
        gap: var(--spacing-xs);
    }
    .system-contact {
        gap: var(--spacing-xs);
    }
    .system-social {
        gap: 4px;
    }
    .system-social-link svg,
    .system-link svg {
        width: 12px;
        height: 12px;
    }
    .system-divider {
        height: 10px;
    }
}

/* ── Responsivo: telas minúsculas (≤360px) ── */
@media (max-width: 360px) {
    /* Esconde contato, mantém só redes sociais */
    .system-link {
        display: none;
    }
    .system-divider {
        display: none;
    }
}

/* ── Aviso especial no topo (coexiste com contato/redes no desktop) ── */
.system-aviso {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: var(--text-inverse);
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

/* Badge "AVISO" — tom âmbar suave */
.system-aviso-badge {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(251, 191, 36, .25);
    color: #fef3c7;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: .08em;
    border: 1px solid rgba(251, 191, 36, .30);
}
.system-aviso-badge svg {
    opacity: .9;
    stroke: #fde68a;
}

/* Track: container clipado onde o texto vive */
.system-aviso-track {
    display: block;
    overflow: hidden;
    flex: 1;
    min-width: 0;
}

/* Máscara de fade só quando está rolando (marquee ativo) */
.system-aviso-track.is-scrolling {
    mask-image: linear-gradient(90deg, transparent, #000 2%, #000 98%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 2%, #000 98%, transparent);
}

/* Texto do aviso: estático por padrão */
.system-aviso-text {
    display: inline-block;
    white-space: nowrap;
}

/* Marquee: ATIVADO APENAS VIA JS quando texto excede container */
.system-aviso-track.is-scrolling .system-aviso-text {
    animation: marquee-aviso var(--marquee-dur, 14s) linear infinite;
    /* Gap entre repetições via padding */
    padding-right: 4em;
}
.system-aviso-track.is-scrolling:hover .system-aviso-text {
    animation-play-state: paused;
}

@keyframes marquee-aviso {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

/* Quando tem aviso, contato/redes fica compacto mas visível */
.system-contact.has-aviso-sibling {
    flex-shrink: 0;
    margin-left: auto;
}

@media (max-width: 768px) {
    .system-aviso {
        font-size: 0.7rem;
    }
    .system-aviso-badge {
        font-size: 0.6rem;
        padding: 1px 6px;
    }
    /* No tablet com aviso, esconde texto do tel/email (só ícones) — já coberto acima */
}
@media (max-width: 480px) {
    .system-aviso {
        font-size: 0.65rem;
        gap: 5px;
    }
    .system-aviso-badge svg {
        width: 11px;
        height: 11px;
    }
    /* No mobile com aviso, esconde contato inteiro */
    .system-contact.has-aviso-sibling {
        display: none;
    }
}

/* ========================================
   HEADER & NAV (OTIMIZADO)
   - Funciona com qualquer quantidade de itens
   - Dropdowns até 3 níveis
   - 100% responsivo desktop/mobile
   - Textos nunca cortados
   ======================================== */
.header {
    background: var(--bg-header);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.header .container {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    min-height: 70px;
    gap: var(--spacing-md);
}

/* Nav ocupa espaço central flexível */
.header .container>nav {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    justify-content: center;
}

/* Botões de acessibilidade à direita */
.header .container>div:last-child {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

/* === LOGO === */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    flex-shrink: 1;
    min-width: 0;
    position: relative;
    padding-left: 125px;
    /* Aumentado para logo maior */
    text-decoration: none;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: var(--primary-base);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-weight: 700;
    font-size: var(--font-size-lg);
    letter-spacing: -1px;
}

.logo-img {
    width: 115px;
    /* 10% maior: de 105px */
    height: 115px;
    object-fit: contain;
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(calc(-50% - 3px));
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
    display: block;
    z-index: 2;
    transition: filter var(--transition-base);
}

.logo-img:hover {
    filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.2));
}

.logo-title {
    font-size: clamp(var(--font-size-sm), 1vw, var(--font-size-base));
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    margin-right: clamp(8px, 1.2vw, 24px);
    padding: 0;
    background: linear-gradient(135deg, var(--primary-darker) 0%, var(--primary-dark) 50%, var(--primary-base) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    white-space: nowrap;
    max-width: clamp(120px, 15vw, 220px);
    overflow: hidden;
    text-overflow: ellipsis;
}

/* === MENU PRINCIPAL === */
.nav-menu {
    display: flex;
    flex-wrap: nowrap;
    gap: clamp(2px, 0.4vw, 8px);
    list-style: none;
    margin: 0;
    padding: 0;
    justify-content: center;
    align-items: center;
}

/* Muitos itens (7+): escala responsiva */
nav.nav-many-items .nav-menu {
    gap: clamp(0px, 0.2vw, 4px);
}

nav.nav-many-items .nav-menu>.nav-item>a {
    font-size: clamp(11px, 0.9vw, 13px);
    padding: 6px clamp(2px, 0.3vw, 6px);
}

.nav-item {
    position: relative;
    flex-shrink: 0;
}

/* Links do menu principal - escala fluida */
.nav-menu>.nav-item>a {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
    font-size: clamp(12px, 0.95vw, 14px);
    color: var(--text-primary);
    text-decoration: none;
    padding: 6px clamp(4px, 0.4vw, 10px);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-menu>.nav-item>a:hover {
    color: var(--primary-base);
    background: rgba(59, 130, 246, 0.08);
}

.nav-menu>.nav-item>a.active {
    color: var(--primary-base);
    font-weight: 600;
}

/* Indicador de item ativo (barra inferior) */
.nav-menu>.nav-item>a.active::before {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--primary-base);
    border-radius: 1px;
}

/* === DROPDOWNS === */
.nav-item.has-dropdown {
    position: relative;
}

/* Seta indicadora de dropdown */
.nav-item.has-dropdown>a::after {
    content: "";
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    margin-left: 4px;
    transition: transform 0.2s ease;
    opacity: 0.5;
}

.nav-item.has-dropdown:hover>a::after,
.nav-item.has-dropdown.active>a::after {
    transform: rotate(180deg);
}

/* Painel do dropdown */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    margin: 0;
    padding: var(--spacing-xs) 0;
    background: var(--bg-card);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12), 0 2px 10px rgba(0, 0, 0, 0.08);
    min-width: 220px;
    max-width: 300px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    z-index: 1000;
    pointer-events: none;
}

/* Últimos 2 itens: dropdown alinha à direita pra não sair da tela */
.nav-item:nth-last-child(-n+2) > .nav-dropdown {
    left: auto;
    right: 0;
    transform: translateX(0) translateY(-8px);
}

.nav-item:nth-last-child(-n+2).has-dropdown:hover > .nav-dropdown,
.nav-item:nth-last-child(-n+2).has-dropdown.active > .nav-dropdown {
    transform: translateX(0) translateY(0);
}

.nav-item:nth-last-child(-n+2) > .nav-dropdown::before {
    left: auto;
    right: 30px;
    transform: none;
}

/* Dropdown ativo */
.nav-item.has-dropdown:hover>.nav-dropdown,
.nav-item.has-dropdown.active>.nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

/* Seta do dropdown (ponteiro) */
.nav-dropdown::before {
    content: "";
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 6px solid var(--bg-card);
    filter: drop-shadow(0 -1px 1px rgba(0, 0, 0, 0.05));
}

.nav-dropdown li {
    margin: 0;
    position: relative;
}

/* Links dentro do dropdown */
.nav-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: background var(--transition-base), color var(--transition-base);
    white-space: normal;
    line-height: 1.4;
}

.nav-dropdown a:hover {
    background: #f1f5f9;
    color: var(--text-primary);
}

.nav-dropdown a.active {
    background: #f1f5f9;
    color: var(--primary-dark);
    font-weight: 600;
}

/* Ícones no dropdown */
.nav-dropdown a i {
    font-size: var(--font-size-base);
    opacity: 0.7;
    flex-shrink: 0;
}

/* === SUB-DROPDOWN (3º nível) === */
.nav-dropdown-sub {
    position: absolute;
    top: 0;
    left: 100%;
    margin-left: 2px;
    padding: var(--spacing-xs) 0;
    background: var(--bg-card);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12), 0 2px 10px rgba(0, 0, 0, 0.08);
    min-width: 200px;
    max-width: 280px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-8px);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    z-index: 1001;
    pointer-events: none;
}

.nav-dropdown-sub::before {
    display: none;
}

.nav-dropdown .nav-item.has-dropdown:hover>.nav-dropdown-sub,
.nav-dropdown .nav-item.has-dropdown.active>.nav-dropdown-sub {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    pointer-events: auto;
}

/* Links do sub-dropdown */
.nav-dropdown-sub a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: background var(--transition-base), color var(--transition-base);
    white-space: normal;
    line-height: 1.4;
}

.nav-dropdown-sub a:hover {
    background: #f1f5f9;
    color: var(--primary-dark);
}

/* Seta para sub-dropdown */
.nav-dropdown .nav-item.has-dropdown>a::after {
    content: "";
    margin-left: auto;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    border-left: 4px solid currentColor;
    opacity: 0.5;
}

.nav-dropdown .nav-item.has-dropdown:hover>a::after {
    opacity: 1;
}

/* === DROPDOWN FLAT (4º nível - lista plana) === */
.nav-dropdown-flat {
    border-left: 2px solid var(--primary-light);
    margin-top: var(--spacing-xs);
    padding-left: var(--spacing-sm);
}

.nav-dropdown-flat a {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--text-secondary);
}

.nav-dropdown-flat a:hover {
    color: var(--primary-base);
}

.btn-accessibility {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-body);
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-accessibility:hover {
    background: var(--primary-base);
    color: var(--text-inverse);
    border-color: var(--primary-base);
}

/* Seletor de idioma (referencia_design.html) */
.language-selector {
    position: relative;
}

.btn-language {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    min-width: 60px;
    justify-content: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-body);
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-language:hover {
    background: var(--primary-base);
    color: var(--text-inverse);
    border-color: var(--primary-base);
}

.btn-language svg {
    width: 16px;
    height: 16px;
}

#currentLanguage {
    font-weight: 700;
    letter-spacing: 0.5px;
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-card);
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 1000;
}

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

.language-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
    transition: all var(--transition-base);
    cursor: pointer;
    border-bottom: 1px solid #f3f4f6;
}

.language-option:last-child {
    border-bottom: none;
}

.language-option:hover {
    background: var(--primary-base);
    color: var(--text-inverse);
}

.language-option.active {
    background: #eff6ff;
    font-weight: 600;
}

.language-option .flag {
    font-size: var(--font-size-xl);
    line-height: 1;
}

.language-option span:last-child {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Barra header mobile: oculta no desktop */
.nav-mobile-header {
    display: none;
}

/* Botão X fechar: oculto no desktop, visível só no mobile quando menu aberto */
.nav-mobile-close {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    color: var(--text-primary);
}