/* ===== Cabeceira / navegación =====
   Fixa e transparente sobre o hero; pasa a sólida (.gs-header--solid) ao facer scroll. */
.gs-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .25s ease, border-color .25s ease;
}
.gs-header--solid {
  background: rgba(255,255,255,.97);
  border-bottom-color: var(--gs-gris-20);
  backdrop-filter: saturate(1.2) blur(6px);
}
.gs-header__bar {
  max-width: var(--gs-container);
  margin: 0 auto;
  padding: 14px var(--gs-space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gs-space-3);
}
.gs-header__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.gs-header__brand img { height: 40px; width: auto; display: block; }
.gs-header__brand-sep {
  width: 1px; height: 26px; background: rgba(255,255,255,.4);
  transition: background-color .25s ease;
}
.gs-header--solid .gs-header__brand-sep { background: var(--gs-gris-20); }
.gs-header__brand small {
  display: block;
  font-size: 11px;
  color: rgba(255,255,255,.85);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color .25s ease;
}
.gs-header--solid .gs-header__brand small { color: var(--gs-gris-60); }

/* Logo: amosa a variante branca por defecto (sobre foto), a verde cando o header é sólido */
.gs-header__brand .gs-logo-branco { display: block; }
.gs-header__brand .gs-logo-verde { display: none; }
.gs-header--solid .gs-header__brand .gs-logo-branco { display: none; }
.gs-header--solid .gs-header__brand .gs-logo-verde { display: block; }

.gs-nav { display: flex; align-items: center; gap: var(--gs-space-4); }
.gs-nav__list {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: var(--gs-space-3);
  font-size: 14.5px; font-weight: 700;
}
.gs-nav__list a {
  color: rgba(255,255,255,.92);
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
  transition: color .25s ease;
}
.gs-header--solid .gs-nav__list a { color: var(--gs-gris-80); }
.gs-nav__list a:hover,
.gs-nav__list a[aria-current="page"] {
  color: var(--gs-branco);
  border-bottom-color: var(--gs-ocre);
}
.gs-header--solid .gs-nav__list a:hover,
.gs-header--solid .gs-nav__list a[aria-current="page"] {
  color: var(--gs-verde-nato);
}
.gs-nav__toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  font-size: 26px; color: var(--gs-branco); line-height: 1;
  transition: color .25s ease;
}
.gs-header--solid .gs-nav__toggle { color: var(--gs-verde-nato); }

@media (max-width: 860px) {
  .gs-nav__toggle { display: block; }
  .gs-nav {
    position: fixed; inset: 62px 0 auto 0;
    background: var(--gs-branco);
    border-bottom: 1px solid var(--gs-gris-20);
    flex-direction: column; align-items: stretch;
    padding: var(--gs-space-2) var(--gs-space-3) var(--gs-space-3);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .18s ease, transform .18s ease;
  }
  .gs-nav.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .gs-nav__list { flex-direction: column; gap: 4px; }
  .gs-nav__list a { display: block; padding: 10px 4px; color: var(--gs-gris-80) !important; }
}

/* ===== Hero ===== */
.gs-hero {
  position: relative;
  color: var(--gs-branco);
  display: flex;
  align-items: flex-end;
  min-height: 100vh;
  min-height: 100svh;
  background-size: cover;
  background-position: center;
}
.gs-hero::after {
  content: "";
  position: absolute; inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(6,8,5,.3) 0%, rgba(6,8,5,.4) 35%, rgba(4,5,4,.7) 68%, rgba(2,3,2,.9) 100%);
}
.gs-hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--gs-container);
  margin: 0 auto;
  padding: var(--gs-space-6) var(--gs-space-3) var(--gs-space-5);
  width: 100%;
}
.gs-hero h1 {
  color: var(--gs-branco); max-width: 17ch;
  text-shadow: 0 1px 3px rgba(0,0,0,.9), 0 6px 24px rgba(0,0,0,.55);
}
.gs-hero p.lead {
  color: rgba(255,255,255,.96); max-width: 56ch;
  text-shadow: 0 1px 2px rgba(0,0,0,.85), 0 4px 16px rgba(0,0,0,.5);
}
.gs-hero__logos {
  display: flex; align-items: center; gap: var(--gs-space-2);
  margin-bottom: var(--gs-space-3);
  font-size: 13px; letter-spacing: .04em; text-transform: uppercase; color: var(--gs-gris-10);
}
.gs-hero__logos img { height: 30px; width: auto; }
.gs-hero__actions { display: flex; gap: var(--gs-space-2); flex-wrap: wrap; margin-top: var(--gs-space-3); }

/* Hero pequeno (páxinas internas) */
.gs-hero--sub { min-height: 62vh; min-height: 62svh; align-items: center; }
.gs-hero--sub .gs-hero__content { padding: var(--gs-space-4) var(--gs-space-3); }

/* ===== Botóns ===== */
.gs-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--gs-font-corpo); font-weight: 500; font-size: 16px;
  padding: 15px 26px; border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.gs-btn--branco { background: var(--gs-branco); color: var(--gs-verde-nato); }
.gs-btn--branco:hover { background: var(--gs-verde-moi-claro); color: var(--gs-verde-nato); }
.gs-btn--ghost-branco { border-color: rgba(255,255,255,.5); color: var(--gs-branco); }
.gs-btn--ghost-branco:hover { background: rgba(255,255,255,.12); color: var(--gs-branco); }
.gs-btn--verde { background: var(--gs-verde-nato); color: var(--gs-branco); }
.gs-btn--verde:hover { background: var(--gs-verde-claro); color: var(--gs-branco); }
.gs-btn--ghost { border-color: var(--gs-verde-nato); color: var(--gs-verde-nato); }
.gs-btn--ghost:hover { background: var(--gs-verde-moi-claro); }

/* ===== Tarxetas ===== */
.gs-card {
  background: var(--gs-branco);
  border: 1px solid var(--gs-gris-20);
  border-radius: var(--gs-radius);
  overflow: hidden;
  box-shadow: var(--gs-shadow-card);
  display: flex; flex-direction: column;
  height: 100%;
}
.gs-card__img { aspect-ratio: 4/3; object-fit: cover; width: 100%; background: var(--gs-gris-20); }
.gs-card__body { padding: var(--gs-space-3); display: flex; flex-direction: column; gap: 8px; flex: 1; }
.gs-card__body h3 { margin-bottom: 2px; }
.gs-card__body p { color: var(--gs-gris-80); font-size: 15px; margin-bottom: 0; }
.gs-card__foot { margin-top: auto; padding-top: 10px; }

.gs-grid {
  display: grid;
  gap: var(--gs-space-3);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.gs-grid--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

/* ===== Badge ===== */
.gs-badge {
  display: inline-block;
  background: var(--gs-verde-moi-claro);
  color: var(--gs-verde-nato);
  font-size: 11px; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px;
}
.gs-badge--ocre { background: #f1e9d8; color: #7a6534; }

/* ===== Estatísticas ===== */
.gs-stat { text-align: left; }
.gs-stat__num {
  font-family: var(--gs-font-display); font-weight: 700;
  font-size: clamp(34px, 4vw, 48px);
  color: var(--gs-verde-nato); line-height: 1;
}
.gs-stat__label { font-size: 14px; color: var(--gs-gris-80); margin-top: 6px; }
.gs-section--escura .gs-stat__num { color: var(--gs-branco); }
.gs-section--escura .gs-stat__label { color: var(--gs-verde-moi-claro); }

/* ===== Destacado ===== */
.gs-highlight {
  border-left: 4px solid var(--gs-ocre);
  background: var(--gs-gris-10);
  padding: var(--gs-space-2) var(--gs-space-3);
  font-family: var(--gs-font-display);
  font-size: 19px;
  color: var(--gs-negro);
}

/* ===== Breadcrumb ===== */
.gs-breadcrumb {
  font-size: 13px; color: var(--gs-gris-60);
  display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: var(--gs-space-2);
}
.gs-breadcrumb a { color: var(--gs-gris-60); }
.gs-breadcrumb a:hover { color: var(--gs-verde-nato); }

/* ===== Pé de páxina ===== */
.gs-footer {
  background: var(--gs-negro);
  color: var(--gs-gris-20);
  padding: var(--gs-space-5) 0 var(--gs-space-3);
}
.gs-footer__grid {
  display: grid; gap: var(--gs-space-4);
  grid-template-columns: 1.4fr 1fr 1fr;
  margin-bottom: var(--gs-space-4);
}
.gs-footer h5 { color: var(--gs-branco); font-family: var(--gs-font-corpo); font-size: 13px; text-transform: uppercase; letter-spacing: .05em; margin-bottom: var(--gs-space-2); }
.gs-footer a { color: var(--gs-gris-20); }
.gs-footer a:hover { color: var(--gs-branco); }
.gs-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.gs-footer__logos { display: flex; align-items: center; gap: var(--gs-space-3); margin-bottom: var(--gs-space-2); }
.gs-footer__logos img { height: 30px; width: auto; }
.gs-footer__bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: var(--gs-space-2);
  font-size: 12.5px; color: var(--gs-gris-50);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}

@media (max-width: 760px) {
  .gs-footer__grid { grid-template-columns: 1fr; }
}

/* ===== Táboa de contido (guías técnicas) ===== */
.gs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  margin: var(--gs-space-3) 0;
}
.gs-table caption {
  text-align: left;
  font-size: 13px;
  color: var(--gs-gris-60);
  margin-bottom: 8px;
}
.gs-table th {
  background: var(--gs-verde-nato);
  color: var(--gs-branco);
  font-family: var(--gs-font-corpo);
  font-size: 12.5px;
  font-weight: 700;
  text-align: left;
  padding: 10px 14px;
  letter-spacing: 0.01em;
}
.gs-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--gs-gris-20);
  color: var(--gs-gris-80);
  vertical-align: top;
}
.gs-table tr:nth-child(even) td { background: var(--gs-gris-05); }
.gs-table--scroll { overflow-x: auto; }

/* ===== Ficha de descarga (guías) ===== */
.gs-download {
  display: flex; align-items: center; gap: var(--gs-space-3);
  background: var(--gs-verde-moi-claro);
  border: 1px solid #cfe0c8;
  border-radius: var(--gs-radius);
  padding: var(--gs-space-3);
}
.gs-download__icon {
  flex-shrink: 0; width: 48px; height: 48px;
  border-radius: 50%; background: var(--gs-verde-nato); color: var(--gs-branco);
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px;
}
.gs-download--proximamente { background: var(--gs-gris-10); border-color: var(--gs-gris-20); opacity: .85; }

/* ===== Fila de créditos (logos institucionais) ===== */
.gs-credits {
  display: flex; align-items: center; flex-wrap: wrap;
  gap: var(--gs-space-2);
  margin-top: var(--gs-space-4);
  padding-top: var(--gs-space-3);
  border-top: 1px solid rgba(26,26,23,.12);
}
.gs-credits__label { font-size: 13px; color: var(--gs-gris-60); }
.gs-credits__sep { color: var(--gs-gris-60); }

/* ===== Bento — grid dinámico de traballos (tamaños distintos, non tarxetas uniformes) ===== */
.gs-bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 190px;
  gap: var(--gs-space-2);
  grid-template-areas:
    "crono crono g1 g2"
    "crono crono charlas video";
}
.gs-bento-tile {
  position: relative;
  display: flex; align-items: flex-end;
  border-radius: 10px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  color: var(--gs-branco);
  text-decoration: none;
  isolation: isolate;
}
.gs-bento-tile::after {
  content: "";
  position: absolute; inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(0,0,0,0) 35%, rgba(0,0,0,.55) 75%, rgba(0,0,0,.82) 100%);
  transition: background .2s ease;
}
.gs-bento-tile:hover::after { background: linear-gradient(180deg, rgba(0,0,0,.05) 30%, rgba(0,0,0,.62) 75%, rgba(0,0,0,.86) 100%); }
.gs-bento-tile__content { position: relative; z-index: 2; padding: 16px; }
.gs-bento-tile__content h4 {
  font-family: var(--gs-font-titulos); font-weight: 400; letter-spacing: -0.01em;
  text-transform: none;
  color: var(--gs-branco); margin-bottom: 2px;
  text-shadow: 0 1px 2px rgba(0,0,0,.7);
}
.gs-bento-tile__content p {
  font-size: 13px; color: rgba(255,255,255,.88); margin-bottom: 0;
  text-shadow: 0 1px 2px rgba(0,0,0,.6);
}
.gs-bento-tile__badge {
  display: inline-block; background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.4);
  color: var(--gs-branco); font-size: 10.5px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 999px; margin-bottom: 8px;
}

.gs-bento-tile--crono { grid-area: crono; }
.gs-bento-tile--crono .gs-bento-tile__content h4 { font-size: clamp(22px, 2.2vw, 30px); max-width: 20ch; }
.gs-bento-tile--crono .gs-bento-tile__content p { font-size: 14.5px; max-width: 42ch; }
.gs-bento-tile--g1 { grid-area: g1; }
.gs-bento-tile--g2 { grid-area: g2; }
.gs-bento-tile--charlas { grid-area: charlas; }
.gs-bento-tile--video { grid-area: video; }

@media (max-width: 860px) {
  .gs-bento {
    grid-template-columns: 1fr;
    grid-auto-rows: 220px;
    grid-template-areas:
      "crono"
      "g1"
      "g2"
      "charlas"
      "video";
  }
}

/* ===== Liñas de traballo (substitúe grid de tarxetas uniformes) ===== */
.gs-workline-group {
  padding: var(--gs-space-4) 0;
  border-top: 1px solid rgba(26,26,23,.1);
}
.gs-workline-group:first-child { border-top: none; padding-top: 0; }
.gs-workline-group__head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--gs-space-2); margin-bottom: var(--gs-space-3); flex-wrap: wrap;
}
.gs-workline-group__head h3 { margin-bottom: 0; }
.gs-workline-group__desc { color: var(--gs-gris-80); font-size: 15px; max-width: 46ch; margin: 0; }

.gs-workline {
  display: flex; align-items: center; gap: var(--gs-space-3);
  padding: 14px 10px; margin: 0 -10px;
  text-decoration: none; color: inherit;
  border-radius: var(--gs-radius);
  transition: background-color .15s ease;
}
.gs-workline:hover { background: rgba(74,88,70,.06); }
.gs-workline + .gs-workline { border-top: 1px solid rgba(26,26,23,.08); }
.gs-workline__img {
  width: 104px; height: 76px; object-fit: cover; border-radius: 6px;
  flex-shrink: 0; background: var(--gs-gris-20);
}
.gs-workline__body { flex: 1; min-width: 0; }
.gs-workline__body h4 {
  font-family: var(--gs-font-titulos); font-weight: 400;
  text-transform: none; letter-spacing: -0.01em;
  font-size: 19px; color: var(--gs-negro); margin-bottom: 2px;
}
.gs-workline__body p { font-size: 14px; color: var(--gs-gris-80); margin-bottom: 0; }
.gs-workline__arrow {
  flex-shrink: 0; color: var(--gs-verde-nato); font-size: 22px;
  transition: transform .15s ease;
}
.gs-workline:hover .gs-workline__arrow { transform: translateX(4px); }

/* Liña destacada (peza principal do grupo, p.ex. a cronoloxía) */
.gs-workline--feature .gs-workline__img { width: 240px; height: 156px; }
.gs-workline--feature .gs-workline__body h4 { font-size: 30px; }
.gs-workline--feature .gs-workline__body p { font-size: 16px; max-width: 52ch; }

@media (max-width: 640px) {
  .gs-workline { flex-wrap: wrap; }
  .gs-workline--feature .gs-workline__img,
  .gs-workline__img { width: 100%; height: 160px; }
}

/* ===== Cronoloxía — scrollytelling ===== */

/* Barra de progreso xeral, fixa á esquerda */
.gs-scrolly__progress {
  position: fixed; left: 22px; top: 50%; transform: translateY(-50%);
  z-index: 55; width: 2px; height: 220px;
  background: rgba(255,255,255,.2);
}
.gs-scrolly__progress-fill {
  position: absolute; top: 0; left: 0; width: 100%; height: 0%;
  background: var(--gs-ocre);
  transition: height .1s linear;
}
@media (max-width: 860px) { .gs-scrolly__progress { display: none; } }

.gs-scrolly__rail {
  position: fixed; left: 22px; top: 50%; transform: translate(-50%, -50%);
  z-index: 60; display: flex; flex-direction: column; gap: 16px;
  padding-left: 1px;
}
.gs-scrolly__rail a {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,.35); border: 1px solid rgba(255,255,255,.7);
  display: block; position: relative; transition: background .2s ease, transform .3s cubic-bezier(.34,1.56,.64,1);
}
.gs-scrolly__rail a.is-active { background: var(--gs-ocre); border-color: var(--gs-ocre); transform: scale(1.5); }
.gs-scrolly__rail a span {
  position: absolute; left: 20px; top: 50%; transform: translateY(-50%);
  white-space: nowrap; font-size: 12px; font-weight: 700; color: #fff;
  opacity: 0; transition: opacity .2s ease; text-shadow: 0 1px 4px rgba(0,0,0,.7);
}
.gs-scrolly__rail a:hover span, .gs-scrolly__rail a.is-active span { opacity: 1; }
@media (max-width: 860px) { .gs-scrolly__rail { display: none; } }

.gs-scrolly-year {
  position: relative;
  min-height: 100vh; min-height: 100svh;
  display: flex; align-items: flex-end;
  color: var(--gs-branco);
  overflow: hidden;
  scroll-margin-top: 0;
}
.gs-scrolly-year__bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
  transform: scale(1.18);
  filter: blur(9px) saturate(.6) brightness(.75);
  transition: transform 1.6s cubic-bezier(.16,1,.3,1), filter 1.4s ease;
  will-change: transform, filter;
}
.gs-scrolly-year.is-active .gs-scrolly-year__bg {
  transform: scale(1.02);
  filter: blur(0) saturate(1) brightness(1);
  animation: gs-scrolly-kenburns 14s ease-in-out infinite alternate;
}
@keyframes gs-scrolly-kenburns {
  from { transform: scale(1.02) translate(0, 0); }
  to   { transform: scale(1.09) translate(-1%, -1%); }
}
.gs-scrolly-year::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(4,5,4,.32) 0%, rgba(4,5,4,.4) 40%, rgba(2,3,2,.85) 100%);
}
.gs-scrolly-year__content {
  position: relative; z-index: 2;
  max-width: 720px; margin: 0 auto;
  padding: 100px var(--gs-space-3) 110px;
  width: 100%;
}
.gs-scrolly-year__content > * {
  opacity: 0; transform: translateY(36px);
  transition: opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1);
}
.gs-scrolly-year.is-active .gs-scrolly-year__content > * { opacity: 1; transform: translateY(0); }
.gs-scrolly-year__content > *:nth-child(1) { transition-delay: .05s; }
.gs-scrolly-year__content > *:nth-child(2) { transition-delay: .15s; }
.gs-scrolly-year__content > *:nth-child(3) { transition-delay: .3s; }
.gs-scrolly-year__content > *:nth-child(4) { transition-delay: .45s; }
.gs-scrolly-year__content > *:nth-child(5) { transition-delay: .6s; }

.gs-scrolly-year__num {
  font-family: var(--gs-font-display); font-weight: 700;
  font-size: clamp(48px, 9vw, 110px); line-height: .95;
  margin-bottom: 6px;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255,255,255,.9);
  transition: color 1s ease .2s, -webkit-text-stroke-color 1s ease;
}
.gs-scrolly-year.is-active .gs-scrolly-year__num {
  color: var(--gs-branco);
  text-shadow: 0 2px 24px rgba(0,0,0,.6);
}
.gs-scrolly-year__tag {
  display: inline-block; font-size: 13px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; color: var(--gs-ocre);
  margin-bottom: var(--gs-space-2); text-shadow: 0 1px 4px rgba(0,0,0,.7);
}
.gs-scrolly-year h2 {
  color: var(--gs-branco); font-weight: 400;
  text-shadow: 0 1px 3px rgba(0,0,0,.9), 0 6px 24px rgba(0,0,0,.55);
}
.gs-scrolly-year p {
  color: rgba(255,255,255,.95); text-shadow: 0 1px 2px rgba(0,0,0,.85), 0 4px 16px rgba(0,0,0,.5);
  font-size: 16.5px;
}
.gs-scrolly-year:last-of-type { align-items: center; }

@media (prefers-reduced-motion: reduce) {
  .gs-scrolly-year__bg { transition: none; animation: none !important; }
  .gs-scrolly-year__content > * { transition: none; opacity: 1; transform: none; }
  .gs-scrolly-year__num { transition: none; color: var(--gs-branco); -webkit-text-stroke: 0; }
}

/* ===== Placeholder (vídeo / contido pendente) ===== */
.gs-placeholder {
  aspect-ratio: 16/9;
  background: repeating-linear-gradient(135deg, var(--gs-gris-10), var(--gs-gris-10) 12px, var(--gs-gris-20) 12px, var(--gs-gris-20) 24px);
  border: 1px dashed var(--gs-gris-50);
  border-radius: var(--gs-radius);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; color: var(--gs-gris-80); text-align: center; padding: var(--gs-space-3);
}
.gs-placeholder strong { color: var(--gs-verde-nato); font-family: var(--gs-font-titulos); font-size: 17px; }
.gs-placeholder span { font-size: 13px; color: var(--gs-gris-60); }

/* ===== Galería fotográfica ===== */
.gs-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.gs-gallery__item {
  display: block;
  position: relative;
  aspect-ratio: 4/3;
  border-radius: 6px;
  overflow: hidden;
  border: none;
  padding: 0;
  cursor: zoom-in;
  background: var(--gs-gris-20);
}
.gs-gallery__item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease;
  display: block;
}
.gs-gallery__item:hover img { transform: scale(1.06); }
.gs-gallery__item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,.35) 100%);
  opacity: 0; transition: opacity .25s ease;
}
.gs-gallery__item:hover::after { opacity: 1; }

@media (max-width: 900px) { .gs-gallery { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .gs-gallery { grid-template-columns: repeat(2, 1fr); gap: 8px; } }

/* ===== Lightbox ===== */
.gs-lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(10,11,9,.94);
  display: none;
  align-items: center; justify-content: center;
}
.gs-lightbox.is-open { display: flex; }
.gs-lightbox img {
  max-width: min(92vw, 1200px); max-height: 86vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 10px 60px rgba(0,0,0,.5);
}
.gs-lightbox__close,
.gs-lightbox__prev,
.gs-lightbox__next {
  position: absolute;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.35);
  color: var(--gs-branco);
  border-radius: 999px;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; cursor: pointer;
  transition: background .15s ease;
}
.gs-lightbox__close:hover,
.gs-lightbox__prev:hover,
.gs-lightbox__next:hover { background: rgba(255,255,255,.22); }
.gs-lightbox__close { top: 20px; right: 20px; }
.gs-lightbox__prev { left: 20px; top: 50%; transform: translateY(-50%); }
.gs-lightbox__next { right: 20px; top: 50%; transform: translateY(-50%); }
.gs-lightbox__counter {
  position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,.75); font-size: 13px; letter-spacing: .04em;
}
@media (max-width: 640px) {
  .gs-lightbox__prev { left: 8px; }
  .gs-lightbox__next { right: 8px; }
  .gs-lightbox__close { top: 12px; right: 12px; }
}