/* ============================================
   FGS · layout.css
   Cabeceira + dropdown + footer + hero + ecosistema + causas
   ============================================ */

/* ----- BARRA DE NAVEGACIÓN ----- */

.gs-nav {
  position: sticky;
  top: 0;
  z-index: var(--gs-z-nav);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--gs-gris-20);
}

.gs-nav__inner {
  max-width: var(--gs-max-width);
  margin: 0 auto;
  padding: 0 var(--gs-padding-x);
  display: flex;
  align-items: center;
  gap: var(--gs-gap-md);
  height: 76px;
}

.gs-nav__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.gs-nav__logo img {
  height: 55px;   /* 44 → 55 (+25 %), 09/09/2026 */
  width: auto;
}

.gs-nav__menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0 auto 0 var(--gs-gap-md);
}

.gs-nav__item {
  position: relative;
}

.gs-nav__link {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.625rem 0.875rem;
  font-family: var(--gs-font-corpo);
  font-size: var(--gs-texto-sm);
  font-weight: var(--gs-peso-medium);
  color: var(--gs-gris-80);
  text-decoration: none;
  border-radius: var(--gs-radius);
  transition: all var(--gs-transicion-rapida);
  white-space: nowrap;
  cursor: pointer;
  background: none;
  border: none;
}

.gs-nav__link:hover {
  background: var(--gs-verde-moi-claro);
  color: var(--gs-verde-nato);
  text-decoration: none;
}

.gs-nav__link--activo {
  color: var(--gs-verde-nato);
  font-weight: var(--gs-peso-bold);
}

.gs-nav__caret {
  width: 10px;
  height: 10px;
  transition: transform var(--gs-transicion-rapida);
}

.gs-nav__item[data-aberto="true"] .gs-nav__caret,
.gs-nav__item:hover .gs-nav__caret {
  transform: rotate(180deg);
}

/* ----- DROPDOWN ----- */

.gs-dropdown {
  position: absolute;
  /* Pegamos o panel ao <li> sen gap (top: 100%) e dámoslle aire visual
     con margin-top. O hit-test segue funcionando porque o pseudoelemento
     ::after do <li> cobre ese mesmo espazo. */
  top: 100%;
  left: 0;
  margin-top: 8px;
  min-width: 540px;
  background: var(--gs-branco);
  border: 1px solid var(--gs-gris-20);
  border-radius: var(--gs-radius-card);
  box-shadow: var(--gs-sombra-lg);
  padding: var(--gs-gap-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: all var(--gs-transicion-media);
}

/* "Bridge" invisible: amplía o área hover do <li> con dropdown
   para que cubra o gap entre o link e o panel desplegado.
   Sen isto, mover o cursor en diagonal cara ao panel pérdeo. */
.gs-nav__item--dropdown::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 12px;
  background: transparent;
  /* Só activo cando o item está sendo hovered ou ten o dropdown aberto,
     para non interferir co hit-test dos demais elementos. */
  pointer-events: none;
}

.gs-nav__item--dropdown:hover::after,
.gs-nav__item--dropdown:focus-within::after,
.gs-nav__item--dropdown[data-aberto="true"]::after {
  pointer-events: auto;
}

.gs-nav__item:hover .gs-dropdown,
.gs-nav__item:focus-within .gs-dropdown,
.gs-nav__item[data-aberto="true"] .gs-dropdown,
.gs-dropdown:hover {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.gs-dropdown__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gs-gap-md);
}

.gs-dropdown__col h4 {
  font-size: var(--gs-texto-xs);
  font-weight: var(--gs-peso-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gs-verde-claro);
  margin-bottom: var(--gs-gap-sm);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--gs-gris-20);
}

.gs-dropdown__lista {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.gs-dropdown__lista a {
  display: block;
  padding: 0.5rem 0.6rem;
  font-size: var(--gs-texto-sm);
  color: var(--gs-gris-80);
  text-decoration: none;
  border-radius: var(--gs-radius);
  transition: all var(--gs-transicion-rapida);
}

.gs-dropdown__lista a:hover {
  background: var(--gs-verde-moi-claro);
  color: var(--gs-verde-nato);
}

.gs-dropdown__ver-todo {
  margin-top: var(--gs-gap-sm);
  padding-top: var(--gs-gap-sm);
  border-top: 1px solid var(--gs-gris-20);
}

.gs-dropdown__ver-todo a {
  font-weight: var(--gs-peso-bold) !important;
  color: var(--gs-verde-nato) !important;
  text-transform: uppercase;
  font-size: var(--gs-texto-xs) !important;
  letter-spacing: 0.08em;
}

/* ----- ACCIÓNS DEREITA ----- */

.gs-nav__acciones {
  display: flex;
  align-items: center;
  gap: var(--gs-gap-sm);
  flex-shrink: 0;
}

.gs-nav__doar {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.625rem 1.1rem;
  background: var(--gs-verde-claro);
  color: var(--gs-branco);
  font-family: var(--gs-font-corpo);
  font-size: var(--gs-texto-sm);
  font-weight: var(--gs-peso-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  border-radius: var(--gs-radius);
  transition: all var(--gs-transicion-rapida);
  white-space: nowrap;
}

.gs-nav__doar:hover {
  background: var(--gs-verde-nato);
  color: var(--gs-branco);
  text-decoration: none;
  transform: translateY(-1px);
}

.gs-nav__idioma {
  display: flex;
  gap: 0.15rem;
  font-size: var(--gs-texto-xs);
  font-weight: var(--gs-peso-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-left: 1px solid var(--gs-gris-20);
  padding-left: var(--gs-gap-sm);
}

.gs-nav__idioma a {
  padding: 0.4rem 0.5rem;
  color: var(--gs-gris-50);
  text-decoration: none;
  border-radius: var(--gs-radius);
  transition: all var(--gs-transicion-rapida);
}

.gs-nav__idioma a:hover { color: var(--gs-verde-nato); }
.gs-nav__idioma a.activo {
  color: var(--gs-verde-nato);
  background: var(--gs-verde-moi-claro);
}

/* ----- BURGER ----- */

.gs-nav__burger {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--gs-gris-20);
  border-radius: var(--gs-radius);
  cursor: pointer;
  flex-shrink: 0;
}

.gs-nav__burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--gs-negro);
  margin: 4px 0;
  transition: all var(--gs-transicion-rapida);
}

.gs-nav__burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.gs-nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }

.gs-nav__burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 1080px) {
  .gs-nav__inner { height: 68px; gap: var(--gs-gap-sm); }
  .gs-nav__menu {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1.5rem var(--gs-padding-x) 2rem;
    background: var(--gs-branco);
    border-bottom: 1px solid var(--gs-gris-20);
    box-shadow: var(--gs-sombra-md);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--gs-transicion-media);
    margin: 0;
    max-height: calc(100vh - 68px);
    overflow-y: auto;
  }

  .gs-nav__menu[data-aberto="true"] {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .gs-nav__link {
    padding: 1rem 0.5rem;
    font-size: var(--gs-texto-base);
    border-bottom: 1px solid var(--gs-gris-20);
    border-radius: 0;
    width: 100%;
    justify-content: space-between;
  }

  .gs-dropdown {
    position: static;
    min-width: 0;
    box-shadow: none;
    border: none;
    padding: 0.5rem 0 0 1rem;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    background: var(--gs-gris-10);
    margin: 0;
    border-radius: 0;
    display: none;
  }

  .gs-nav__item[data-aberto="true"] .gs-dropdown { display: block; }

  .gs-nav__item:hover .gs-dropdown {
    opacity: 0;
    pointer-events: none;
  }

  .gs-nav__item[data-aberto="true"]:hover .gs-dropdown {
    opacity: 1;
    pointer-events: auto;
  }

  .gs-dropdown__cols { grid-template-columns: 1fr; gap: var(--gs-gap-sm); }

  .gs-nav__burger { display: block; }
  .gs-nav__doar { padding: 0.5rem 0.85rem; font-size: var(--gs-texto-xs); }
}

/* ----- HERO ----- */

.gs-hero {
  position: relative;
  min-height: clamp(560px, 85vh, 780px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--gs-verde-nato);
}

.gs-hero__media { position: absolute; inset: 0; z-index: 0; }
.gs-hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

.gs-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(26,26,23,0.15) 0%, rgba(26,26,23,0.45) 50%, rgba(26,26,23,0.85) 100%);
}

.gs-hero__contido {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: var(--gs-gap-xl) 0 var(--gs-gap-lg);
  color: var(--gs-branco);
}

.gs-hero__categoria {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--gs-radius);
  font-size: var(--gs-texto-xs);
  font-weight: var(--gs-peso-bold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gs-branco);
  margin-bottom: var(--gs-gap-md);
}

.gs-hero__titulo {
  font-family: var(--gs-font-display);
  font-size: var(--gs-texto-5xl);
  font-weight: var(--gs-peso-medium);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--gs-branco);
  max-width: 18ch;
  margin-bottom: var(--gs-gap-md);
  text-shadow: 0 2px 30px rgba(0,0,0,0.3);
}

.gs-hero__lead {
  font-family: var(--gs-font-corpo);
  font-size: var(--gs-texto-lg);
  font-weight: var(--gs-peso-light);
  line-height: 1.55;
  color: rgba(255,255,255,0.95);
  max-width: 50ch;
  margin-bottom: var(--gs-gap-lg);
}

/* ----- CAUSAS ----- */

.gs-causa {
  display: flex;
  flex-direction: column;
  padding: var(--gs-gap-md);
  background: var(--gs-branco);
  border: 1px solid var(--gs-gris-20);
  border-radius: var(--gs-radius-card);
  border-top: 3px solid var(--gs-verde-claro);
  height: 100%;
  transition: all var(--gs-transicion-media);
}

.gs-causa:hover {
  border-top-color: var(--gs-verde-nato);
  box-shadow: var(--gs-sombra-md);
  transform: translateY(-2px);
}

.gs-causa__numero {
  font-family: var(--gs-font-display);
  font-size: var(--gs-texto-sm);
  font-weight: var(--gs-peso-light);
  color: var(--gs-gris-50);
  letter-spacing: 0.06em;
  margin-bottom: var(--gs-gap-sm);
}

.gs-causa__titulo {
  font-family: var(--gs-font-display);
  font-size: var(--gs-texto-xl);
  font-weight: var(--gs-peso-medium);
  line-height: 1.2;
  color: var(--gs-negro);
  margin-bottom: 0.75rem;
}

.gs-causa__texto {
  font-size: var(--gs-texto-sm);
  line-height: 1.6;
  color: var(--gs-gris-80);
  flex: 1;
}

/* ----- ECOSISTEMA FGS ----- */

.gs-ecosistema {
  background: var(--gs-verde-nato);
  color: var(--gs-branco);
  padding: var(--gs-gap-xl) 0;
}

.gs-ecosistema__cabeceira {
  text-align: center;
  margin-bottom: var(--gs-gap-lg);
}

.gs-ecosistema__cabeceira .gs-eyebrow {
  color: var(--gs-verde-moi-claro);
}

.gs-ecosistema__titulo {
  font-family: var(--gs-font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: var(--gs-peso-medium);
  color: var(--gs-branco);
  max-width: 24ch;
  margin: 0 auto;
  line-height: 1.15;
}

.gs-ecosistema__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: var(--gs-gap-md);
}

.gs-satelite {
  display: flex;
  flex-direction: column;
  padding: var(--gs-gap-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--gs-radius-card);
  text-decoration: none;
  color: var(--gs-branco);
  transition: all var(--gs-transicion-media);
  height: 100%;
}

.gs-satelite:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--gs-verde-claro);
  transform: translateY(-3px);
  text-decoration: none;
  color: var(--gs-branco);
}

.gs-satelite--proximo {
  opacity: 0.7;
  cursor: default;
}

.gs-satelite--proximo:hover {
  transform: none;
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.15);
}

.gs-satelite__estado {
  display: inline-block;
  font-size: var(--gs-texto-xs);
  font-weight: var(--gs-peso-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gs-verde-moi-claro);
  margin-bottom: var(--gs-gap-sm);
}

.gs-satelite__estado--proximo {
  color: rgba(255,255,255,0.5);
}

.gs-satelite__nome {
  font-family: var(--gs-font-display);
  font-size: var(--gs-texto-xl);
  font-weight: var(--gs-peso-medium);
  line-height: 1.2;
  color: var(--gs-branco);
  margin-bottom: 0.5rem;
}

.gs-satelite__desc {
  font-size: var(--gs-texto-sm);
  line-height: 1.55;
  color: rgba(255,255,255,0.8);
  flex: 1;
  margin-bottom: var(--gs-gap-sm);
}

.gs-satelite__seta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--gs-texto-xs);
  font-weight: var(--gs-peso-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gs-verde-moi-claro);
}

.gs-satelite__seta svg {
  width: 14px;
  height: 14px;
  transition: transform var(--gs-transicion-rapida);
}

.gs-satelite:hover .gs-satelite__seta svg {
  transform: translateX(4px);
}

/* ----- FOOTER ----- */

.gs-footer {
  background: var(--gs-negro);
  color: rgba(255,255,255,0.75);
  padding: var(--gs-gap-xl) 0 var(--gs-gap-md);
  font-size: var(--gs-texto-sm);
  line-height: 1.7;
}

.gs-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--gs-gap-lg);
  margin-bottom: var(--gs-gap-lg);
}

@media (max-width: 800px) {
  .gs-footer__grid { grid-template-columns: 1fr 1fr; gap: var(--gs-gap-md); }
}

@media (max-width: 480px) {
  .gs-footer__grid { grid-template-columns: 1fr; }
}

.gs-footer__bloque h3 {
  font-family: var(--gs-font-titulos);
  font-size: var(--gs-texto-sm);
  font-weight: var(--gs-peso-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gs-branco);
  margin-bottom: var(--gs-gap-md);
}

.gs-footer__bloque ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.gs-footer__bloque a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  transition: color var(--gs-transicion-rapida);
}

.gs-footer__bloque a:hover {
  color: var(--gs-verde-claro);
  text-decoration: underline;
}

/* O botón "Doar agora" dentro do footer non herda a cor branca translúcida.
   Mantén a cor verde do botón en todos os estados. */
.gs-footer__bloque a.gs-btn {
  color: var(--gs-verde-nato);
  text-decoration: none;
}

.gs-footer__bloque a.gs-btn:hover {
  color: var(--gs-verde-nato);
  text-decoration: none;
}

.gs-footer__logo {
  height: 56px;
  margin-bottom: var(--gs-gap-md);
}

.gs-footer__sobre {
  font-size: var(--gs-texto-sm);
  line-height: 1.6;
  color: rgba(255,255,255,0.6);
  max-width: 38ch;
}

/* Bloque sedes no footer */
.gs-footer__sedes {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--gs-gap-lg);
  margin-bottom: var(--gs-gap-lg);
}

.gs-footer__sedes-titulo {
  font-family: var(--gs-font-titulos);
  font-size: var(--gs-texto-sm);
  font-weight: var(--gs-peso-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gs-branco);
  margin-bottom: var(--gs-gap-md);
}

.gs-footer__sedes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gs-gap-md);
}

@media (max-width: 800px) {
  .gs-footer__sedes-grid { grid-template-columns: 1fr; gap: var(--gs-gap-sm); }
}

.gs-footer__sede p {
  font-size: var(--gs-texto-sm);
  line-height: 1.55;
  color: rgba(255,255,255,0.7);
  margin: 0;
}

.gs-footer__sede-tipo {
  display: block;
  font-size: var(--gs-texto-xs);
  font-weight: var(--gs-peso-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gs-verde-claro);
  margin-bottom: 0.4rem;
}

.gs-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--gs-gap-md);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--gs-gap-md);
  font-size: var(--gs-texto-xs);
  color: rgba(255,255,255,0.5);
}

.gs-footer__legal {
  display: flex;
  gap: var(--gs-gap-md);
  flex-wrap: wrap;
}

.gs-footer__legal a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
}

.gs-footer__legal a:hover { color: var(--gs-verde-claro); }