/*
 * Histopathus - Estilos de Componentes Reutilizáveis
 * Modernizado: Botões sem colchetes, efeitos hover premium, footer sem margem branca superior.
 */

/* 1. BOTÕES (Buttons) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 700;
    border-radius: var(--border-radius-lg);
    transition: var(--transition-smooth);
    cursor: pointer;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Espaçamento de ícones em links de navegação */
.footer-link-item a i,
.footer-contact-item i {
    margin-right: 5px;
}

/* Botão Primário (Highlight - Verde Lima Ativo) */
.btn-primary {
    background-color: var(--color-highlight);
    color: var(--color-primary-dark);
    box-shadow: var(--box-shadow-subtle);
}

.btn-primary:hover {
    background-color: var(--color-highlight-hover);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-highlight);
}

/* Botão Secundário (Teal/Cyan Técnico) */
.btn-secondary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-base);
    box-shadow: var(--box-shadow-subtle);
}

.btn-secondary:hover {
    box-shadow: var(--box-shadow-float);
    transform: translateY(-3px);
    color: var(--color-base);
}

/* Botão Terciário (Borda Cyan) */
.btn-outline {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-base);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-subtle);
}

/* Botão Grande Vibrante */
.btn-lg-vibrant {
    font-size: 16px;
    padding: 18px 40px;
    background-color: var(--color-highlight);
    color: var(--color-primary-dark);
    animation: pulseGlow 3s infinite;
}

.btn-lg-vibrant:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-highlight);
    animation: none;
}

@keyframes pulseGlow {
    0% {
        box-shadow: 0 0 0 0 rgba(210, 226, 139, 0.4);
    }
    70% {
        box-shadow: 0 0 0 12px rgba(210, 226, 139, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(210, 226, 139, 0);
    }
}

/* 2. CABEÇALHO (Header) */
.header-site {
    background: rgba(254, 254, 254, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-gray-border);
    position: sticky;
    top: 0;
    /* z-index alto: header cria stacking context, então o nav-menu interno
       precisa estar ACIMA do overlay (z-index 500) no nível do documento */
    z-index: 1000;
    padding: 10px 0;
    display: flex;
    align-items: center;
    box-shadow: var(--box-shadow-subtle);
}

.header-site .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    width: 100%;
}

.logo-link {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-link img {
    height: 80px;
    object-fit: contain;
}

/* Menu de Navegação — Desktop */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

/* Partes internas do menu — visíveis só no mobile */
.nav-menu-top,
.nav-menu-bottom {
    display: none;
}

.nav-links-list {
    display: contents; /* no desktop os links entram direto no flex do nav */
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-base-dark);
    transition: var(--transition-smooth);
    position: relative;
    padding: 8px 0;
    white-space: nowrap;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-smooth);
}

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

/* Ações Desktop */
.header-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    flex-shrink: 0;
}

.header-actions .btn {
    padding: 10px 20px;
    font-size: 14px;
    text-transform: none;
    white-space: nowrap;
}

.access-warning {
    font-size: 11px;
    color: var(--color-gray-text);
}

/* Botão Hambúrguer — oculto no desktop */
.menu-toggle {
    display: none;
}

/* Overlay de fundo do menu mobile — sempre oculto por padrão */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    /* z-index abaixo do header (1000) para não cobrir menu nem hamburger */
    z-index: 500;
    cursor: pointer;
    /* SEM backdrop-filter: causava blur no painel do menu */
}

.nav-overlay.active { display: block; }

@media (max-width: 1100px) {
    .nav-menu { gap: 20px; }
}

/* ── MOBILE HEADER ────────────────────────────────── */
@media (max-width: 900px) {
    /* CRÍTICO: backdrop-filter no pai cria novo containing block para position:fixed,
       fazendo o nav-menu (position:fixed) se posicionar em relação ao header e não
       à viewport — causa o "menu estourado". Remove no mobile. */
    .header-site {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(254, 254, 254, 0.98);
    }

    /* Esconde o botão Portal do desktop no mobile */
    .header-actions { display: none; }

    /* Mostra o hamburguer */
    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        width: 44px;
        height: 44px;
        background: var(--color-primary-light);
        border: 1.5px solid rgba(35,144,154,0.25);
        border-radius: 10px;
        cursor: pointer;
        flex-shrink: 0;
        position: relative;
        z-index: 300;
        transition: var(--transition-smooth);
    }

    .menu-toggle:hover {
        background: var(--color-primary);
    }

    .menu-toggle:hover span {
        background-color: #fff;
    }

    /* Esconde o hamburguer quando o menu está aberto — o X do painel assume o fechamento */
    .menu-toggle.active {
        opacity: 0;
        pointer-events: none;
    }

    .menu-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        background-color: var(--color-primary-dark);
        border-radius: 2px;
        transition: transform 0.3s ease, opacity 0.3s ease, background 0.2s;
        transform-origin: center;
    }

    /* Logo menor no mobile */
    .logo-link img { height: 50px; }

    /* ── Painel de navegação mobile ── */
    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        transform: translateX(100%);
        width: min(320px, 88vw);
        height: 100vh;
        height: 100dvh;
        background: #fff;
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        gap: 0;
        padding: 0;
        box-shadow: -6px 0 48px rgba(0,0,0,0.14);
        transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 250;
        overflow-y: auto;
        overflow-x: hidden;
    }

    .nav-menu.open {
        transform: translateX(0);
    }

    /* Links diretos deixam de usar "display:contents" */
    .nav-links-list {
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    /* Topo do painel — gradiente teal */
    .nav-menu-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 22px;
        background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
        flex-shrink: 0;
    }

    .nav-menu-brand {
        display: flex;
        align-items: center;
        gap: 8px;
        color: #fff;
        font-size: 16px;
        font-weight: 700;
        letter-spacing: 0.2px;
        font-family: var(--font-heading);
    }

    .nav-close-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: rgba(255,255,255,0.15);
        border: 1px solid rgba(255,255,255,0.25);
        border-radius: 8px;
        cursor: pointer;
        color: #fff;
        transition: background 0.2s;
    }

    .nav-close-btn:hover {
        background: rgba(255,255,255,0.28);
    }

    /* Links dentro do painel */
    .nav-link {
        display: flex;
        align-items: center;
        padding: 15px 22px;
        font-size: 15px;
        font-weight: 600;
        color: var(--color-base-dark);
        border-bottom: 1px solid var(--color-gray-border);
        transition: background 0.2s, color 0.2s, padding-left 0.2s;
    }

    .nav-link:hover,
    .nav-link.active {
        background: var(--color-primary-light);
        color: var(--color-primary-dark);
        padding-left: 30px;
    }

    .nav-link::after { display: none; }

    /* Rodapé do painel — botão portal */
    .nav-menu-bottom {
        display: block;
        padding: 24px 22px;
        background: var(--color-base-light);
        border-top: 1px solid var(--color-gray-border);
        flex-shrink: 0;
    }

    /* Overlay — comportamento já definido globalmente acima */
}

/* 3. CARDS E GRIDS */
.card-diferencial {
    background-color: var(--color-base);
    border-radius: var(--border-radius-md);
    padding: 32px;
    box-shadow: var(--box-shadow-subtle);
    transition: var(--transition-smooth);
    border: 1px solid var(--color-gray-border);
    position: relative;
    overflow: hidden;
}

.card-diferencial:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-medium);
    border-color: var(--color-primary-light);
}

.card-icon {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    width: 64px;
    height: 64px;
    border-radius: 50%;
}

.card-title {
    font-size: 20px;
    margin-bottom: 12px;
}

.card-text {
    font-size: 15px;
    color: var(--color-gray-text);
}

/* 4. ALERTA E BANNER DE COOKIES */
.alert-box {
    background-color: var(--color-primary-light);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    margin: 24px 0;
}

.alert-title {
    font-weight: 700;
    font-size: 14px;
    color: var(--color-primary-dark);
    margin-bottom: 6px;
}

.alert-desc {
    font-size: 13px;
    color: var(--color-base-dark);
}

/* Cookie Consent Bar */
.cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: auto;
    max-width: 560px;
    z-index: 1001;
    background: rgba(255,255,255,0.97);
    border: 1px solid var(--color-gray-border);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--border-radius-sm);
    padding: 16px 20px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.09);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    transform: translateY(calc(100% + 30px));
    transition: var(--transition-smooth);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-text {
    font-size: 13px;
    color: var(--color-gray-text);
    line-height: 1.5;
}

.cookie-text strong {
    color: var(--color-base-dark);
}

.cookie-text a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .cookie-banner {
        left: 12px;
        right: 12px;
        max-width: none;
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding: 14px 16px;
    }
    .cookie-banner .btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}

/* 5. RODAPÉ (Footer) */
/* Removida a margem superior (margin-top: 80px) para encostar na seção Call To Action */
.footer-site {
    background-color: var(--color-base-dark);
    color: var(--color-base);
    padding: 80px 0 40px 0;
    margin-top: 0;
    border-top: 5px solid var(--color-primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 60px;
}

@media (max-width: 1100px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-site { padding: 48px 0 32px; }
}

.footer-logo img {
    height: 110px;
    width: auto;
    object-fit: contain;
    margin-bottom: 24px;
}

.footer-contacts {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact-item {
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-title {
    font-size: 18px;
    color: var(--color-highlight);
    margin-bottom: 24px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link-item a {
    font-size: 14px;
    transition: var(--transition-smooth);
}

.footer-link-item a:hover {
    color: var(--color-highlight);
    padding-left: 6px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--color-gray-light);
}

.footer-bottom a {
    text-decoration: underline;
}

.footer-bottom a:hover {
    color: var(--color-highlight);
}

.dev-signature img {
    height: 20px;
    object-fit: contain;
    vertical-align: middle;
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    .dev-signature {
        margin-top: 10px;
    }
}