/* ================================================================
   AIROPES — stylesheet.css
   Estrutura:
     1. Custom Properties (tokens de design)
     2. Reset & Base
     3. Tipografia
     4. Header & Nav
     5. Botões
     6. Hero
     7. Value Strip
     8. Secções genéricas (.section)
     9. Componentes: Intro, Produtos, Modelo, Parceiros, Contactos
    10. Footer
    11. Responsive (≤1080px, ≤620px)
================================================================ */


/* ----------------------------------------------------------------
   1. CUSTOM PROPERTIES
   Tokens centrais de cor, sombra e espaçamento.
   Alterar aqui propaga para todo o site.
---------------------------------------------------------------- */
:root {
  /* Cores */
  --black:       #0c0d0f;
  --dark:        #15171a;   /* fundo de secções escuras */
  --grey:        #5e6369;
  --light:       #f4f6f3;   /* fundo padrão do site */
  --white:       #ffffff;
  --accent:      #b7d500;   /* verde lima — cor primária de acção */
  --accent-dark: #91aa00;   /* hover e eyebrows */

  /* Utilitários */
  --border:      rgba(255, 255, 255, 0.18);  /* bordas em fundo escuro */
  --shadow:      0 24px 80px rgba(0, 0, 0, 0.22);

  /* Espaçamento horizontal de página */
  --page-x: 56px;
}


/* ----------------------------------------------------------------
   2. RESET & BASE
---------------------------------------------------------------- */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--black);
  background: var(--light);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}


/* ----------------------------------------------------------------
   3. TIPOGRAFIA
   Regras globais de heading e texto de secção.
---------------------------------------------------------------- */

/* Remove margin-top padrão dos browsers em todos os headings e p */
h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(54px, 8vw, 116px);
  line-height: 0.91;       /* comprime para headings display grandes */
  letter-spacing: -5px;    /* tracking negativo agressivo — estilo editorial */
  text-transform: uppercase;
}

h1 span {
  /* Segunda linha do h1 — cor de destaque */
  display: block;
  color: var(--accent-dark);
}

h2 {
  font-size: clamp(34px, 4vw, 64px);
  line-height: 1.02;
  letter-spacing: -2px;
}

.eyebrow {
  /* Etiqueta de secção acima do título */
  margin: 0 0 18px;
  color: var(--accent-dark);
  font-size: 20px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 2px;
}


/* ----------------------------------------------------------------
   4. HEADER & NAV
---------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 28px var(--page-x);
  background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(255,255,255,0.72));
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

/* --- Logo --- */
.logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start; /* impede o flex stretch de distorcer a imagem */
}

.logo-img {
  display: block;
  height: 44px;   /* altura de display — independente do tamanho do ficheiro */
  width: auto;    /* largura calculada automaticamente pela proporção */
}

.logo small {
  margin-top: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--black);
}

/* --- Nav --- */
.main-nav {
  display: flex;
  gap: 30px;
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.main-nav a:hover {
  color: var(--accent-dark);
}

/* --- Language Switcher --- */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--grey);
  white-space: nowrap;
}

.lang-switcher a {
  color: var(--grey);
  transition: color 0.15s;
}

.lang-switcher a:hover {
  color: var(--accent-dark);
}

.lang-switcher a.lang-active {
  color: var(--black);
}

.lang-switcher span {
  color: var(--grey);
  opacity: 0.4;
}


/* ----------------------------------------------------------------
   5. BOTÕES
   .btn          — base (dimensão, fonte, transição)
   .btn-primary  — fundo accent (amarelo-lima)
   .btn-secondary — fundo branco translúcido com borda
   .header-cta   — modificador: esconde o botão do header em mobile
---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 0;
  font-size: 14px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: var(--black);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(0, 0, 0, 0.35);
  color: var(--black);
}


/* ----------------------------------------------------------------
   6. HERO
   Secção de entrada com imagem de fundo e overlay em gradiente.
---------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 160px var(--page-x) 110px;  /* top alto para compensar o header fixo */
  background-image: url('assets/images/airopes-hero.webp');
  background-size: cover;
  background-position: center right;
}

.hero-overlay {
  /* Dois gradientes sobrepostos:
     1. Horizontal — clareia o lado esquerdo para legibilidade do texto
     2. Vertical   — escurece o fundo da imagem */
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top left,
      rgba(244,246,243,0.72)  0%,
      rgba(244,246,243,0.20) 35%,
      transparent            60%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-text {
  max-width: 580px;
  font-size: 22px;
  color: var(--white);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}


/* ----------------------------------------------------------------
   7. VALUE STRIP
   Banda preta com 4 pilares em grid horizontal.
---------------------------------------------------------------- */
.value-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--black);
  color: var(--white);
  padding: 0 var(--page-x);
}

.value-strip div {
  padding: 34px 30px;
  border-left: 1px solid var(--border);
}

.value-strip strong {
  display: block;
  margin-bottom: 6px;
  font-size: 17px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.value-strip span {
  color: rgba(255, 255, 255, 0.68);
}


/* ----------------------------------------------------------------
   8. SECÇÕES GENÉRICAS
   .section       — padding padrão de página
   .section-heading — controla a largura máxima dos títulos
   .dark-section  — fundo escuro (usada em #produtos)
---------------------------------------------------------------- */
.section {
  padding: 100px var(--page-x);
}

.section-heading {
  max-width: 760px;
}

.section-heading.center {
  margin: 0 auto 56px;
  text-align: center;
}

.dark-section {
  background: var(--dark);
  color: var(--white);
}


/* ----------------------------------------------------------------
   9. COMPONENTES DE SECÇÃO

   9a. Intro / Posicionamento (#solucoes)
   9b. Produtos (#produtos)
   9c. Modelo (#modelo)
   9d. Parceiros (#parceiros)
   9e. Contactos (#contactos)
---------------------------------------------------------------- */

/* 9a — Intro */
.intro-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;  /* heading ligeiramente mais estreito */
  gap: 80px;
  background: var(--white);
}

.intro-text {
  font-size: 20px;
  color: #33383d;
}

/* 9b — Produtos */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.product-card {
  min-height: 230px;
  padding: 34px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
  position: relative; /* stretched link */
  cursor: pointer;
}

.product-card h3 {
  margin-bottom: 16px;
  font-size: 28px;
  letter-spacing: -0.8px;
}

.product-card p {
  color: rgba(255, 255, 255, 0.74);
}

.product-card-icon {
  margin-bottom: 22px;
  color: var(--accent);
}

/* 9c — Modelo */
.split-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;  /* texto mais estreito, boxes mais largas */
  gap: 80px;
  align-items: start;
  background: var(--light);
}

.split-section > div:first-child p:not(.eyebrow) {
  font-size: 20px;
  color: #33383d;
}

.model-boxes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.model-box {
  padding: 36px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.model-box h3 {
  font-size: 30px;
}

.model-box ul {
  margin: 0;
  padding-left: 20px;
}

.model-box li {
  margin-bottom: 12px;
}

.accent-box {
  /* Box do Parceiro — fundo amarelo-lima */
  background: var(--accent);
}

/* 9d — Parceiros */
.partner-section {
  background:
    linear-gradient(90deg, rgba(12,13,15,0.88), rgba(12,13,15,0.45)),
    url('assets/images/airopes-hero.webp');
  background-size: cover;
  background-position: center;
  color: var(--white);
}

.partner-panel {
  max-width: 760px;
  padding: 54px;
  background: rgba(12, 13, 15, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
}

.partner-panel p:not(.eyebrow) {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.78);
}

/* 9e — Contactos */
.contact-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background: var(--white);
}

.contact-card {
  min-width: 340px;
  padding: 32px;
  background: var(--light);
  border-left: 6px solid var(--accent);
}

.contact-card p:last-child {
  margin-bottom: 0;
}


/* ----------------------------------------------------------------
   10. FOOTER
---------------------------------------------------------------- */


.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px var(--page-x);
  background: var(--black);
  color: rgba(255, 255, 255, 0.74);
}

.site-footer p {
  margin: 0;
}


/* ----------------------------------------------------------------
   11. COMPONENTES HERO
   Hero fullscreen com imagem de fundo e headline split.
   Usa a base .hero do homepage + modificadores.
---------------------------------------------------------------- */



/* ----------------------------------------------------------------
   Heroes de produto — todos usam o overlay claro do index.html
   O background do overlay é herdado do base .hero-overlay.
   Cada classe apenas define a imagem e o posicionamento.
---------------------------------------------------------------- */

.servicos-hero {
  background-image: url('assets/images/servicos-hero.webp');
  background-position: center;
  align-items: flex-end;
  padding-bottom: 80px;
}

.airhub-hero {
  background-image: url('assets/images/airhub-hero.webp');
  background-position: center;
  align-items: flex-end;
  padding-bottom: 80px;
}

.flexpark-hero {
  background-image: url('assets/images/flexpark-hero.webp');
  background-position: center;
  align-items: flex-end;
  padding-bottom: 80px;
}

.lowropes-hero {
  background-image: url('assets/images/lowropes-hero.webp');
  background-position: center right;
  align-items: flex-end;
  padding-bottom: 80px;
}

.componentes-hero {
  background-image: url('assets/images/componentes-hero.webp');
  background-position: center right;
  align-items: flex-end;
  padding-bottom: 80px;
}

.componentes-hero .hero-text,
.componentes-hero h1,
.componentes-hero .hero-value span,
.flexpark-hero .hero-text,
.airhub-hero .hero-text,
.lowropes-hero .hero-text,
.servicos-hero .hero-text { color: var(--white); }

.componentes-hero h1 span { color: var(--accent); }

/* Conteúdo — largura máxima partilhada */
.servicos-content,
.airhub-content,
.flexpark-content,
.lowropes-content,
.componentes-content {
  max-width: 820px;
  width: 100%;
}

/* Span herda --accent-dark da regra base h1 span — sem override necessário */

/* Eyebrow nos heroes — verde escuro para contraste no overlay claro */


/* LowRopes: limita largura do parágrafo para caber ao lado das value props */
.lowropes-hero .hero-text { max-width: 460px; }

/* Divisor verde entre subtítulo e value props (LowRopes) */
.hero-values-divider {
  width: 32px;
  height: 2px;
  background: var(--accent);
  margin: 20px 0;
}

/* 4 value props — gap mais apertado */
.hero-values--4 { gap: 32px; }

@media (max-width: 620px) {
  .hero-values--4 {
    flex-direction: column;
    gap: 20px;
  }
}



/* 3 value props no fundo do hero */
.hero-values {
  display: flex;
  gap: 48px;
  margin-top: 48px;
}

.hero-value {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  line-height: 1.4;
}

.hero-value svg {
  flex-shrink: 0;
}


/* ----------------------------------------------------------------
   12. PÁGINAS INTERNAS
   Estilos partilhados por todas as páginas de produto/serviço.
---------------------------------------------------------------- */

/* Hero compacto — substitui o .hero nas páginas internas */
.page-hero {
  padding: 160px var(--page-x) 80px; /* top alto compensa o header fixo */
  background: var(--dark);
  color: var(--white);
}

.page-hero h1 {
  margin-bottom: 20px;
}

.page-hero .hero-text {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.82);
}

.page-hero .hero-actions {
  margin-top: 28px;
}

/* Breadcrumb de navegação */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.45);
}

.breadcrumb a {
  color: var(--accent);
}

.breadcrumb a:hover {
  color: var(--accent-dark);
}

/* Grelha de vantagens/características */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.feature-item {
  padding: 28px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.feature-item h3 {
  font-size: 18px;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.feature-item p {
  font-size: 16px;
  color: #4a4f55;
  margin: 0;
}

/* Grelha de aplicações */
.applications-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.application-item {
  padding: 24px 28px;
  background: var(--white);
  border-left: 5px solid var(--accent);
}

.application-item h3 {
  font-size: 17px;
  margin-bottom: 6px;
  letter-spacing: -0.2px;
}

.application-item p {
  font-size: 15px;
  color: #4a4f55;
  margin: 0;
}

/* CTA de produto — fundo escuro com painel */
.product-cta-section {
  background:
    linear-gradient(90deg, rgba(12,13,15,0.92), rgba(12,13,15,0.55)),
    url('assets/images/airopes-hero.webp');
  background-size: cover;
  background-position: center;
  color: var(--white);
}

.product-cta-panel {
  max-width: 680px;
  padding: 54px;
  background: rgba(12, 13, 15, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
}

.product-cta-panel p:not(.eyebrow) {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.78);
}

/* Página de contactos — formulário */
.contactos-hero {
  background:
    linear-gradient(90deg, rgba(12,13,15,0.88), rgba(12,13,15,0.5)),
    url('assets/images/airopes-hero.webp');
  background-size: cover;
  background-position: center;
}

.contact-form-section {
  background: var(--white);
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 80px;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--grey);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid #d0d4cc;
  background: var(--light);
  font-family: inherit;
  font-size: 15px;
  color: var(--black);
  outline: none;
  transition: border-color 0.2s;
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-notice {
  font-size: 13px;
  color: var(--grey);
}

.form-feedback {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
}

.form-feedback.success {
  background: #eaf5c0;
  border-left: 4px solid var(--accent);
  color: #3a4a00;
}

.form-feedback.error {
  background: #fce8e8;
  border-left: 4px solid #c0392b;
  color: #7a1a1a;
}

/* Galeria de produto — mini lightbox */
.product-gallery {
  background: var(--dark);
}

.product-gallery .section-heading h2 {
  color: var(--white);
}

.product-gallery .eyebrow {
  color: var(--accent);
  background: none;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.gallery-thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  cursor: pointer;
  background: var(--black);
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.gallery-thumb:hover img {
  transform: scale(1.05);
  opacity: 0.85;
}

/* Lightbox overlay */
.gallery-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(12, 13, 15, 0.92);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
}

.gallery-lightbox.open {
  display: flex;
}

.gallery-lightbox img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  box-shadow: 0 40px 120px rgba(0,0,0,0.6);
}

.gallery-lightbox-close {
  position: fixed;
  top: 20px;
  right: 28px;
  color: var(--white);
  font-size: 36px;
  line-height: 1;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  opacity: 0.75;
  transition: opacity 0.2s;
}

.gallery-lightbox-close:hover {
  opacity: 1;
}

.gallery-lightbox-prev,
.gallery-lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  color: var(--white);
  font-size: 28px;
  cursor: pointer;
  background: rgba(12,13,15,0.5);
  border: none;
  padding: 12px 18px;
  opacity: 0.75;
  transition: opacity 0.2s;
}

.gallery-lightbox-prev { left: 16px; }
.gallery-lightbox-next { right: 16px; }
.gallery-lightbox-prev:hover,
.gallery-lightbox-next:hover { opacity: 1; }

/* Cards de produto no index — hover e link */
.product-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.38);
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 20px;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
}

.product-card-link::after {
  content: '';
  position: absolute;
  inset: 0;
}

.product-card-link:hover {
  color: var(--accent-dark);
  gap: 10px;
}


/* ----------------------------------------------------------------
   Ghost text — sombra desfocada com offset em unidades de viewport.
   O offset muda proporcionalmente ao redimensionar o browser,
   criando um efeito de deriva em relação ao texto real.
---------------------------------------------------------------- */
.hero h1 {
  position: relative;
  z-index: 0;
}

/* Ghost text — wrapper criado por ghost-text.js */
.hero-h1-wrap {
  position: relative;
  isolation: isolate; /* stacking context: garante z-index: -1 do ghost fica atrás do h1 */
}

.hero-h1-ghost {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1; /* atrás do h1 (z-index: 0) dentro do stacking context do wrap */
  transform: translate(2vw, 2vh);
  font-size: calc(clamp(54px, 8vw, 116px) * 1.18);
  line-height: 0.91;
  letter-spacing: -5px;
  text-transform: uppercase;
  font-weight: bold;
  color: rgba(0, 0, 0, 0.18);
  pointer-events: none;
  user-select: none;
  white-space: pre;
  width: max-content;
}

/* Eyebrow de Serviços e Componentes — caixa preta com texto verde */
.servicos-hero .eyebrow,
.componentes-hero .eyebrow,
.airhub-hero .eyebrow,
.flexpark-hero .eyebrow,
.lowropes-hero .eyebrow {
  display: inline-block;
  background: #000;
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 3px;
  letter-spacing: 0.04em;
}


.outras-solucoes-section .eyebrow {
  color: var(--accent-dark);
  margin-bottom: 28px;
}

.outras-solucoes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.outra-solucao-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 28px 32px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  transition: background 0.2s ease, transform 0.2s ease;
}

.outra-solucao-card:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-3px);
}

.outra-solucao-nome {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.5px;
  text-transform: uppercase;
  color: var(--white);
}

.outra-solucao-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.60);
  line-height: 1.5;
}

.outra-solucao-link {
  margin-top: 8px;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
}

/* ----------------------------------------------------------------
   Soluções relacionadas — secção clara para páginas de produto
---------------------------------------------------------------- */
.solucoes-relacionadas {
  background: var(--white);
}

.solucoes-relacionadas .cards-grid {
  grid-template-columns: 1fr 1fr;
}

.solucoes-relacionadas .section-heading h2 {
  color: var(--black);
}

.solucoes-relacionadas .product-card {
  background: var(--light);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  padding: 0; /* foto vai de borda a borda */
}

.product-card-photo {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.product-card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card-photo img {
  transform: scale(1.04);
}

.product-card-body {
  padding: 28px 34px 34px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.solucoes-relacionadas .product-card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.10);
}

.solucoes-relacionadas .product-card h3 {
  color: var(--black);
}

.solucoes-relacionadas .product-card p {
  color: var(--grey);
}

.solucoes-relacionadas .product-card-icon {
  color: var(--accent-dark);
}

.solucoes-relacionadas .product-card-link {
  color: var(--accent-dark);
}

.solucoes-relacionadas .product-card-link:hover {
  color: var(--black);
}

/* ================================================================
   12. RESPONSIVE

   Breakpoint 1: ≤1080px — tablet/portátil pequeno
     - Padding lateral reduzido
     - Nav escondida (sem hamburger por agora)
     - Grids colapsam para 1 coluna

   Breakpoint 2: ≤620px — mobile
     - Header muda para absolute (scroll com página)
     - CTA do header esconde
     - Hero ajusta min-height e overlay
================================================================ */

@media (max-width: 1080px) {

  .features-grid,
  .applications-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    padding: 22px 28px;
  }

  .main-nav {
    display: none;  /* TODO: adicionar menu hamburger */
  }

  /* Padding horizontal de página reduzido */
  .hero,
  .section,
  .value-strip,
  .site-footer {
    padding-left: 28px;
    padding-right: 28px;
  }

  /* Grids e flex layouts colapsam */
  .value-strip,
  .cards-grid,
  .intro-section,
  .split-section,
  .model-boxes,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .contact-section,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 620px) {

  .hide-mobile { display: none; }

  .solucoes-relacionadas .cards-grid {
    grid-template-columns: 1fr;
  }

  .hero-values {
    flex-direction: column;
    gap: 20px;
  }

  .site-header {
    position: absolute;  /* deixa de ser fixo — liberta espaço no viewport */
    align-items: flex-start;
  }

  .header-cta {
    display: none;
  }

  .logo-img {
    display: block;
    height: 34px;
    width: auto;
  }

  .hero {
    min-height: 760px;
    padding-top: 130px;
    background-position: center;
  }

  /* index hero — texto preto em mobile (overlay claro torna branco ilegível) */
  .hero-text {
    color: var(--black);
  }

  .hero-overlay {
    /* Em mobile usa gradiente vertical — todos os heroes */
    background: radial-gradient(ellipse at top left,
      rgba(244,246,243,0.72)  0%,
      rgba(244,246,243,0.20) 40%,
      transparent            65%);
  }

  h1 {
    letter-spacing: -3px;  /* tracking menos agressivo em ecrã pequeno */
  }

  /* Tamanho de texto reduzido em parágrafos de secção */
  .hero-text,
  .intro-text,
  .split-section > div:first-child p:not(.eyebrow),
  .partner-panel p:not(.eyebrow) {
    font-size: 18px;
  }

  /* Padding interno dos cards e painéis reduzido */
  .value-strip div,
  .product-card,
  .model-box,
  .partner-panel {
    padding: 26px;
  }

  .contact-card {
    min-width: 100%;
  }
}


/* ----------------------------------------------------------------
   12. FAQ PAGE
   Acordeão com <details>/<summary>. Sem JS.
   Agrupado por categoria (.faq-group).
---------------------------------------------------------------- */

/* Hero simples — sem imagem de fundo */
.faq-page-hero {
  background: var(--dark);
  padding: 120px 64px 72px;
  color: var(--white);
}

.faq-page-hero .eyebrow {
  background: var(--black);
  color: var(--accent);
}

.faq-page-hero h1 {
  font-size: clamp(38px, 5vw, 64px);
  letter-spacing: -3px;
  line-height: 1.05;
  margin: 20px 0 0;
  color: var(--white);
}

/* Layout de conteúdo FAQ */
.faq-content {
  max-width: 820px;
  margin: 0 auto;
  padding: 72px 40px;
}

/* Grupo de categoria */
.faq-group {
  margin-bottom: 56px;
}

.faq-group-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent);
}

/* Item individual */
.faq-item {
  border-bottom: 1px solid rgba(0,0,0,0.10);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--black);
  line-height: 1.35;
  user-select: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

/* Ícone + / × */
.faq-item summary::after {
  content: '+';
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--black);
  font-size: 20px;
  font-weight: 700;
  line-height: 28px;
  text-align: center;
  transition: background 0.2s, transform 0.2s;
}

.faq-item[open] summary::after {
  content: '×';
  background: var(--black);
  color: var(--white);
  transform: rotate(90deg);
}

.faq-item[open] summary {
  color: var(--black);
}

.faq-answer {
  padding: 0 40px 24px 0;
  font-size: 16px;
  color: var(--grey);
  line-height: 1.7;
}

.faq-answer p { margin: 0 0 12px; }
.faq-answer p:last-child { margin-bottom: 0; }

.faq-answer a {
  color: var(--black);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Responsive */
@media (max-width: 1080px) {
  .faq-page-hero {
    padding: 100px 40px 56px;
  }
  .faq-content {
    padding: 56px 40px;
  }
}

@media (max-width: 620px) {
  .faq-page-hero {
    padding: 88px 24px 48px;
  }
  .faq-content {
    padding: 40px 24px;
  }
  .faq-item summary {
    font-size: 16px;
  }
  .faq-answer {
    padding-right: 0;
  }
}