/* ============================
   HEADER & NAVIGATION
   Um unico <nav> serve desktop e mobile: acima de 1024px vira barra
   horizontal, abaixo vira overlay em tela cheia. Manter um so bloco evita
   duplicar 15 links por pagina em 16 arquivos e o descompasso que viria junto.
   ============================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    z-index: 1000;
    background: var(--color-petrol-light);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 2px solid var(--color-neutral-white);
    transition: box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-petrol-md);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    height: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.header__logo img {
    /* Logo em lockup horizontal (proporcao ~2.7:1). */
    height: 64px;
    width: auto;
}

/* ── Nav: barra horizontal (>=1025px) ── */
.nav {
    margin-left: auto;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav__item {
    position: relative;
    display: flex;
    align-items: center;
}

.nav__link {
    display: inline-block;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-off-white);
    letter-spacing: 0.02em;
    padding: var(--space-xs) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-gold-primary);
    transform: translateX(-50%);
    border-radius: 1px;
    transition: width var(--transition-base);
}

.nav__link:hover {
    color: var(--color-gold-primary);
}

.nav__link:hover::after {
    width: 100%;
}

/* Item ativo vem de data-page no <body>, para que o bloco de navegacao
   permaneca identico byte a byte em todas as paginas. */
body[data-page="inicio"]   .nav__link[data-nav="inicio"],
body[data-page="sobre"]    .nav__link[data-nav="sobre"],
body[data-page="servicos"] .nav__link[data-nav="servicos"],
body[data-page="servico"]  .nav__link[data-nav="servicos"],
body[data-page="empresas"] .nav__link[data-nav="empresas"],
body[data-page="blog"]     .nav__link[data-nav="blog"],
body[data-page="contato"]  .nav__link[data-nav="contato"] {
    color: var(--color-gold-primary);
}

body[data-page="inicio"]   .nav__link[data-nav="inicio"]::after,
body[data-page="sobre"]    .nav__link[data-nav="sobre"]::after,
body[data-page="servicos"] .nav__link[data-nav="servicos"]::after,
body[data-page="servico"]  .nav__link[data-nav="servicos"]::after,
body[data-page="empresas"] .nav__link[data-nav="empresas"]::after,
body[data-page="blog"]     .nav__link[data-nav="blog"]::after,
body[data-page="contato"]  .nav__link[data-nav="contato"]::after {
    width: 100%;
}

/* ── Botao de disclosure do submenu ── */
.nav__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xs);
    margin-left: 2px;
    color: var(--color-off-white);
    line-height: 0;
}

.nav__toggle:hover {
    color: var(--color-gold-primary);
}

.nav__chevron {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform var(--transition-base);
}

.nav__item--has-menu.is-open .nav__chevron {
    transform: rotate(180deg);
}

/* ── Submenu ── */
.nav__submenu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    min-width: 260px;
    padding: var(--space-sm);
    background: var(--color-neutral-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-petrol-lg);
    z-index: 1001;
    /* visibility, e nao so opacity: com opacity sozinho os links continuam
       na ordem de tabulacao mesmo com o menu fechado. */
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 0s linear 180ms;
}

/* Ponte invisivel sobre o vao, para o menu nao fechar quando o mouse
   atravessa o espaco entre o item e o submenu. */
.nav__submenu::before {
    content: '';
    position: absolute;
    top: -14px;
    left: 0;
    right: 0;
    height: 14px;
}

.nav__submenu a {
    display: block;
    padding: 0.6rem var(--space-md);
    font-size: var(--fs-sm);
    color: var(--color-petrol-dark);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.nav__submenu a:hover {
    background: var(--color-off-white);
    color: var(--color-bronze);
}

/* Hover so em ponteiro fino: no toque o :hover fica preso e o menu ficaria
   aberto sem forma de fechar. */
@media (hover: hover) and (pointer: fine) {
    .nav__item--has-menu:hover > .nav__submenu {
        opacity: 1;
        visibility: visible;
        transform: none;
        transition-delay: 0s;
    }
}

/* :focus-within cobre o teclado sem depender de JavaScript. */
.nav__item--has-menu:focus-within > .nav__submenu,
.nav__item--has-menu.is-open > .nav__submenu {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition-delay: 0s;
}

/* ── Hamburger ── */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 30px;
    padding: 0;
    cursor: pointer;
    z-index: 1002;
}

.hamburger span {
    display: block;
    height: 2px;
    background: var(--color-off-white);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ── Overlay mobile (<=1024px) ── */
@media (max-width: 1024px) {
    .hamburger {
        display: flex;
    }

    .nav {
        position: fixed;
        /* Comeca abaixo do cabecalho para que o logo e o botao de fechar
           (ambos claros) continuem legiveis sobre o verde petroleo. Se o
           overlay cobrisse o topo, viraria branco sobre off-white. */
        top: var(--header-h);
        left: 0;
        width: 100%;
        /* dvh acompanha a barra do navegador mobile; overflow-y garante que
           os 15 itens sejam alcancaveis em telas baixas. */
        height: calc(100dvh - var(--header-h));
        margin-left: 0;
        padding: var(--space-xl) var(--space-lg) var(--space-3xl);
        background: var(--color-off-white);
        overflow-y: auto;
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-base), visibility 0s linear var(--transition-base);
    }

    .nav.is-open {
        opacity: 1;
        visibility: visible;
        transition-delay: 0s;
    }

    .nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-xs);
    }

    .nav__item {
        flex-wrap: wrap;
        border-bottom: 1px solid var(--color-border-light);
    }

    .nav__link {
        flex: 1;
        font-family: var(--font-heading);
        font-size: var(--fs-lg);
        font-weight: 700;
        color: var(--color-petrol-dark);
        padding: var(--space-md) 0;
    }

    .nav__link::after {
        display: none;
    }

    .nav__toggle {
        color: var(--color-petrol-dark);
        padding: var(--space-md);
    }

    .nav__chevron {
        width: 20px;
        height: 20px;
    }

    /* No mobile o submenu ocupa o fluxo, em vez de flutuar sobre o conteudo. */
    .nav__submenu {
        position: static;
        width: 100%;
        min-width: 0;
        padding: 0 0 var(--space-sm) var(--space-md);
        background: transparent;
        border: none;
        box-shadow: none;
        transform: none;
        display: none;
    }

    .nav__submenu::before {
        display: none;
    }

    .nav__item--has-menu.is-open > .nav__submenu,
    .nav__item--has-menu:focus-within > .nav__submenu {
        display: block;
        opacity: 1;
        visibility: visible;
    }

    .nav__submenu a {
        font-size: var(--fs-base);
        padding: 0.7rem var(--space-md);
    }

    .nav__item--cta {
        border-bottom: none;
        margin-top: var(--space-lg);
    }

    .nav__item--cta .btn {
        width: 100%;
    }
}

/* ============================
   SHARED CHECKLIST (.hero__list)
   Estrutura reutilizada pelo Hero (index.html) e pela secao Empresas
   (empresas.html) — cada pagina define so a cor em seu proprio CSS.
   ============================ */
.hero__list {
    margin-bottom: var(--space-3xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.hero__list li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
    font-size: var(--fs-md);
}

.hero__list li span {
    font-weight: 700;
}

/* Checklist sobre fundo escuro (secao Empresas, na home e em /empresas/). */
.hero__list--on-dark li {
    color: var(--color-sage-soft);
}

.hero__list--on-dark li span {
    color: var(--color-gold-light);
}

/* ============================
   PAGE HERO (paginas internas)
   ============================ */
.page-hero {
    padding: calc(var(--header-h) + var(--space-3xl)) 0 var(--space-3xl);
    background: linear-gradient(135deg, var(--color-off-white) 0%, var(--color-beige-soft) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: var(--color-gold-light);
    opacity: 0.15;
    pointer-events: none;
}

.page-hero__inner {
    position: relative;
    z-index: 1;
}

.page-hero__title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-md);
}

.page-hero__highlight {
    color: var(--color-gold-dark);
}

.page-hero__desc {
    font-size: var(--fs-md);
    color: var(--color-text-secondary);
    max-width: 640px;
    margin: 0 auto;
}

/* ============================
   BREADCRUMB
   ============================ */
.breadcrumb {
    margin-bottom: var(--space-lg);
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
}

.breadcrumb li + li::before {
    content: '/';
    margin-right: var(--space-sm);
    color: var(--color-border-medium);
}

.breadcrumb a:hover {
    color: var(--color-bronze);
    text-decoration: underline;
}

.breadcrumb [aria-current="page"] {
    color: var(--color-petrol-dark);
    font-weight: var(--fw-medium);
}

/* ============================
   CARDS DE SERVICO
   O card inteiro e clicavel por meio de uma ancora esticada
   (.service-card__link::after cobrindo o card), e nao por JavaScript.
   Isso mantem uma unica parada de tabulacao, preserva "abrir em nova aba"
   e continua funcionando com JS desativado.
   ============================ */
.services-section {
    background: var(--color-off-white);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-lg);
}

.service-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 420px;
    padding: var(--space-2xl) var(--space-xl);
    background: var(--color-neutral-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-petrol-sm);
    overflow: hidden;
    transition: transform 300ms ease, box-shadow 300ms ease, border-color 300ms ease;
}

.service-card:hover,
.service-card:focus-within {
    transform: translateY(-8px);
    border-color: var(--color-gold-primary);
    box-shadow: var(--shadow-petrol-lg);
}

.service-card__icon {
    width: clamp(96px, 8vw, 128px);
    height: clamp(96px, 8vw, 128px);
    margin: 0 auto var(--space-lg);
    object-fit: contain;
    object-position: center;
    transition: transform 300ms ease;
}

.service-card:hover .service-card__icon,
.service-card:focus-within .service-card__icon {
    transform: translateY(-4px) scale(1.04);
}

.service-card__title {
    font-size: var(--fs-lg);
    line-height: 1.3;
    margin-bottom: var(--space-sm);
    color: var(--color-petrol-dark);
}

.service-card__desc {
    font-size: var(--fs-sm);
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    margin-top: auto;
    padding: 0.75rem var(--space-lg);
    background: var(--color-gold-primary);
    color: var(--color-petrol-deep);
    font-weight: var(--fw-semibold);
    font-size: var(--fs-sm);
    border-radius: var(--radius-md);
    /* Escondido apenas por opacity: display/visibility desativariam a camada
       esticada e o card deixaria de ser clicavel. */
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 280ms ease, transform 280ms ease, background-color 280ms ease;
}

/* A camada que torna o card inteiro clicavel. */
.service-card__link::after {
    content: '';
    position: absolute;
    inset: 0;
}

.service-card:hover .service-card__link,
.service-card:focus-within .service-card__link {
    opacity: 1;
    transform: none;
}

.service-card__link:hover {
    background: var(--color-gold-dark);
}

/* Telas sem hover real (celular, tablet): o botao fica sempre visivel. */
@media (hover: none) {
    .service-card__link {
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 1100px) {
    .services__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .services__grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        min-height: auto;
        padding: var(--space-xl) var(--space-lg);
    }
}

/* ============================
   FAIXA DE CTA (fim das paginas internas)
   ============================ */
.cta-band {
    background: var(--color-petrol-primary);
    color: var(--color-sage-soft);
    text-align: center;
}

.cta-band__title {
    color: var(--color-off-white);
    margin-bottom: var(--space-md);
}

.cta-band__desc {
    max-width: 560px;
    margin: 0 auto var(--space-xl);
    color: var(--color-sage-soft);
}

/* ============================
   COMPARTILHADOS ENTRE A HOME E AS PAGINAS INTERNAS
   Sobre, MVV, Empresas e cards de blog aparecem tanto em / quanto
   nas paginas proprias, entao precisam viver aqui (components.css
   e carregado por todas as paginas).
   ============================ */

/* ── Blog ── */
.blog-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-xl);
    max-width: 900px;
}

.post-card {
    padding: var(--space-2xl);
    background: var(--color-neutral-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-petrol-sm);
    transition: transform 300ms ease, box-shadow 300ms ease;
}

.post-card:hover,
.post-card:focus-within {
    transform: translateY(-4px);
    box-shadow: var(--shadow-petrol-md);
}

.post-card__meta {
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-soft);
    margin-bottom: var(--space-sm);
}

.post-card__title {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-sm);
}

.post-card__title a {
    color: var(--color-petrol-dark);
    transition: color var(--transition-fast);
}

.post-card__title a:hover {
    color: var(--color-bronze);
}

.post-card__excerpt {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.post-card__link {
    font-weight: var(--fw-semibold);
    font-size: var(--fs-sm);
    color: var(--color-bronze);
}

.post-card__link:hover {
    text-decoration: underline;
}


/* ── Sobre ── */
.about__content {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about__image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-petrol-lg);
    border: 6px solid var(--color-neutral-white);
}

.about__text h2 {
    font-size: var(--fs-2xl);
    margin-bottom: var(--space-lg);
}

.about__text p {
    margin-bottom: var(--space-lg);
    font-size: var(--fs-md);
    line-height: 1.8;
}

.mvv__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.mvv-card {
    padding: var(--space-2xl);
    text-align: center;
}

.mvv-card h3 {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-lg);
}

.values-list li {
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
}

@media (max-width: 992px) {
    .mvv__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .about__content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
}


/* ── Empresas ── */
.empresas__inner {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-4xl);
    align-items: center;
}

.empresas__visual img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

@media (max-width: 992px) {
    .empresas__inner {
        grid-template-columns: 1fr;
    }
}

/* ============================
   WHATSAPP FAB
   ============================ */
.whatsapp-fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
    width: 64px;
    height: 64px;
    background: #25D366; /* Standard WhatsApp Green for recognition ? preservado */
    border: 3px solid var(--color-off-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-petrol-md), 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-base);
}

.whatsapp-fab:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-petrol-lg), 0 8px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-fab svg {
    width: 34px;
    height: 34px;
    fill: #fff; /* ?cone oficial branco ? preservado */
}

/* ============================
   FOOTER
   ============================ */
.footer {
    background: var(--color-petrol-deep);
    color: var(--color-off-white);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer__logo-img {
    /* Logo em lockup horizontal (proporcao ~2.7:1). */
    height: 84px;
    width: auto;
    margin-bottom: var(--space-md);
    /* Sem filtro: o logo ja tem cores proprias (salvia + dourado) e texto
       branco, adequados para fundo escuro. */
}

.footer__col h4,
.footer__links h4,
.footer__contact h4 {
    color: var(--color-off-white);
    font-family: var(--font-heading);
    font-size: var(--fs-lg);
    margin-bottom: var(--space-md);
}

.footer__col a,
.footer__links a {
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--color-sage-light);
    transition: color var(--transition-fast);
}

.footer__col a:hover,
.footer__links a:hover {
    color: var(--color-gold-primary);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-md);
    text-align: center;
    font-size: var(--fs-xs);
    letter-spacing: 0.05em;
}

@media (max-width: 768px) {
    .footer__grid { grid-template-columns: 1fr; gap: var(--space-xl); }
}
/* -------------- COOKIE BANNER (LGPD) -------------- */
.cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-radius: 12px;
    z-index: 9999;
    padding: 20px;
    border: 1px solid var(--color-border-light);
    transition: transform 0.4s ease, opacity 0.4s ease;
    max-width: 600px;
    margin: 0 auto;
}

.cookie-banner--hidden {
    transform: translateY(150%);
    opacity: 0;
    pointer-events: none;
}

.cookie-banner__content {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
    text-align: center;
}

.cookie-banner p {
    font-size: var(--fs-sm);
    color: var(--color-text);    margin: 0;
}

.cookie-banner a {
    color: var(--color-accent);
    text-decoration: underline;
}

.cookie-banner__buttons {
    display: flex;
    gap: 10px;
}

@media (min-width: 768px) {
    .cookie-banner__content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}
