/* ==========================================================================
   3. ECOSSISTEMA — mapa em camadas
   Não é grade de cards nem lista chapada: é um índice estratificado.
   Camada 01 (praça pública) → Camada 02 (a obra) → Camada 03 (o centro).
   A rosácea de fundo repete a gravura do hero e amarra a dobra ao dossiê.
   ========================================================================== */
.ecosystem {
  position: relative;
  background:
    radial-gradient(120% 80% at 12% 0%, #16191F 0%, transparent 58%),
    var(--color-black);
  border-top: var(--rule-dark);
  padding: 6rem 0 6.5rem;
  overflow: hidden;
  isolation: isolate;
}

/* Gravura: anéis concêntricos que se desenham ao entrar em cena */
.ecosystem__engraving {
  position: absolute;
  top: 50%;
  right: -13%;
  width: min(760px, 78vw);
  transform: translateY(-50%);
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

.ecosystem__engraving svg { width: 100%; height: auto; display: block; }

.ecosystem__rings circle {
  stroke: rgba(255, 204, 0, 0.16);
  stroke-width: 1;
  fill: none;
}

.ecosystem__spokes path {
  stroke: rgba(255, 255, 255, 0.055);
  stroke-width: 1;
}

.ecosystem .container { position: relative; z-index: 1; }

/* --------------------------------------------------------------------------
   Cabeçalho: título à esquerda, lede + legenda numérica à direita
   -------------------------------------------------------------------------- */
.ecosystem__head {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 2rem 3.5rem;
  align-items: center;
  padding-bottom: 1.35rem;
  border-bottom: var(--rule-dark);
  margin-bottom: 2.25rem;
}

/* Colunas do cabeçalho: min-width 0 impede que a lede estoure a grade */
.ecosystem__head-left,
.ecosystem__head-right { min-width: 0; }

.ecosystem__kicker {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.42);
  margin-bottom: 0.75rem;
}

.ecosystem__kicker-num { color: var(--color-primary); font-weight: 500; }

.ecosystem__title {
  font-size: clamp(1.85rem, 3.25vw, 2.7rem);
  line-height: 1;
  letter-spacing: -0.018em;
  font-weight: 600;
  color: var(--color-white);
}

/* No desktop, o título vira uma assinatura curta em uma única linha. */
.ecosystem__title br { display: none; }

.ecosystem__title .gothic {
  font-family: var(--font-gotica);
  font-weight: 400;
  color: var(--color-primary);
  font-size: 1.12em;
  line-height: 0.9;
}

.ecosystem__lede {
  max-width: 43rem;
  font-size: 0.98rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.6);
  border-left: 2px solid var(--color-primary);
  padding-left: 1.1rem;
  margin-bottom: 1.1rem;
}

/* Legenda numérica — três colunas mono, régua fina no topo */
.ecosystem__legend {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: var(--rule-dark);
  padding-top: 0.85rem;
}

.ecosystem__legend > div {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  padding-right: 0.8rem;
}

.ecosystem__legend > div + div {
  border-left: var(--rule-dark);
  padding-left: 0.8rem;
}

.ecosystem__legend dt {
  font-family: var(--font-mono);
  font-size: 1.18rem;
  font-weight: 500;
  color: var(--color-primary);
  line-height: 1;
}

.ecosystem__legend dd {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.36);
  margin-top: 0;
  line-height: 1.3;
}

/* --------------------------------------------------------------------------
   Camadas
   -------------------------------------------------------------------------- */
.stratum + .stratum { margin-top: 3.25rem; }

.stratum__label {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0;              /* zera o espaço entre spans; cada filho define o seu */
  margin-bottom: 0.35rem;
}

.stratum__code {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.stratum__name {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.82);
}

.stratum__rule {
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.16);
  transform-origin: left center;
}

.stratum__note {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
}

/* A segunda camada é mais funda: fundo levemente elevado e filete dourado */
.stratum--deep .stratum__list {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.022), transparent 70%);
}

/* --------------------------------------------------------------------------
   Nó do ecossistema — a linha do índice
   -------------------------------------------------------------------------- */
.node {
  position: relative;
  display: grid;
  grid-template-columns: 2.75rem 3rem minmax(0, 1fr) auto 1.5rem;
  grid-template-areas: "num icon body meta arrow";
  align-items: center;
  gap: 1.5rem;
  padding: 1.35rem 1rem 1.35rem 1.15rem;
  border-bottom: var(--rule-dark);
  transition: background 420ms var(--ease-out-expo);
}

.node:first-child { border-top: var(--rule-dark); }

/* Lavagem amarela que entra da esquerda no hover */
.node::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 204, 0, 0.10), rgba(255, 204, 0, 0.02) 42%, transparent 72%);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 620ms var(--ease-out-expo);
  pointer-events: none;
}

.node:hover::before,
.node:focus-visible::before { transform: scaleX(1); }

/* Espinha amarela: cresce de cima para baixo em vez de empurrar o conteúdo */
.node__spine {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-primary);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 480ms var(--ease-out-expo);
}

.node:hover .node__spine,
.node:focus-visible .node__spine { transform: scaleY(1); }

.node__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.26);
  transition: color 320ms ease;
}

.node:hover .node__num { color: var(--color-primary); }

/* Ícone dentro de um quadro fino — vira selo amarelo no hover */
.node__icon {
  grid-area: icon;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.55);
  transition:
    border-color 320ms ease,
    background 320ms ease,
    color 320ms ease,
    transform 520ms var(--ease-out-expo);
}

.node__icon svg { width: 22px; height: 22px; }

.node:hover .node__icon {
  border-color: rgba(255, 204, 0, 0.55);
  background: rgba(255, 204, 0, 0.08);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.node__body { grid-area: body; min-width: 0; }

.node__name {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.34rem;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.24;
  transition: transform 520ms var(--ease-out-expo);
}

.node:hover .node__name { transform: translateX(4px); }

.node__desc {
  display: block;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.44);
  margin-top: 0.22rem;
  line-height: 1.5;
}

/* Coluna direita: onde fica e com que frequência sai */
.node__meta {
  grid-area: meta;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.32rem;
  text-align: right;
}

.node__handle {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.62);
}

.node__freq {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.14rem 0.5rem;
  transition: border-color 320ms ease, color 320ms ease;
}

.node:hover .node__freq {
  border-color: rgba(255, 204, 0, 0.4);
  color: rgba(255, 204, 0, 0.85);
}

.node__arrow {
  grid-area: arrow;
  width: 20px;
  height: 20px;
  justify-self: end;
  color: rgba(255, 255, 255, 0.26);
  transition: transform 450ms var(--ease-out-expo), color 320ms ease;
}

.node:hover .node__arrow {
  color: var(--color-primary);
  transform: translate(5px, -5px);
}

/* Link interno desce em vez de sair: a seta acompanha */
.node--internal:hover .node__arrow { transform: translate(0, 5px); }

/* --------------------------------------------------------------------------
   Camada 03 — o centro. Não é mais uma linha da lista: é o destino.
   -------------------------------------------------------------------------- */
.core {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 2rem;
  margin-top: 3.25rem;
  padding: 2.15rem 2.25rem;
  border: 1px solid rgba(255, 204, 0, 0.3);
  background:
    radial-gradient(90% 140% at 6% 50%, rgba(255, 204, 0, 0.09) 0%, transparent 62%),
    rgba(255, 255, 255, 0.02);
  overflow: hidden;
  transition: border-color 380ms ease, background 420ms ease, transform 420ms var(--ease-out-expo);
}

.core::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 38%, rgba(255, 204, 0, 0.10) 50%, transparent 62%);
  transform: translateX(-100%);
  transition: transform 900ms var(--ease-out-expo);
  pointer-events: none;
}

.core:hover {
  border-color: rgba(255, 204, 0, 0.72);
  transform: translateY(-2px);
}
.core:hover::after { transform: translateX(100%); }

.core:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.core__seal {
  position: relative;
  display: grid;
  place-items: center;
  width: 84px;
  height: 84px;
  flex-shrink: 0;
}

.core__seal svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  animation: core-rotate 34s linear infinite;
}

.core__seal-core {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.04em;
}

@keyframes core-rotate {
  to { transform: rotate(360deg); }
}

.core__body { min-width: 0; }

.core__code {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.55rem;
}

.core__name {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.72rem;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.15;
}

.core__desc {
  display: block;
  font-size: 0.98rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 0.5rem;
  max-width: 46ch;
}

.core__action {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-width: 15.5rem;
  white-space: nowrap;
  color: var(--color-black);
  background: var(--color-primary);
  padding: 0.82rem 0.82rem 0.82rem 1.1rem;
  box-shadow: 0 0 0 1px rgba(255, 204, 0, 0.18);
  transition: transform 420ms var(--ease-out-expo), box-shadow 420ms ease, background-color 260ms ease;
}

.core__action::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2.75rem;
  height: 2px;
  background: var(--color-black);
  opacity: 0.7;
}

.core__action-copy { display: grid; gap: 0.16rem; }

.core__action-kicker,
.core__action-label {
  display: block;
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.core__action-kicker {
  font-size: 0.56rem;
  line-height: 1;
  letter-spacing: 0.18em;
  opacity: 0.62;
}

.core__action-label {
  font-size: 0.76rem;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.core__action-arrow {
  display: grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  color: var(--color-primary);
  background: var(--color-black);
  transition: transform 420ms var(--ease-out-expo);
}

.core__action-arrow svg {
  width: 1.05rem;
  height: 1.05rem;
}

.core__action svg {
  width: 17px;
  height: 17px;
  transition: transform 420ms var(--ease-out-expo);
}

.core:hover .core__action {
  transform: translateX(3px);
  background: #ffd633;
  box-shadow: 0 12px 30px -10px rgba(255, 204, 0, 0.58);
}

.core:hover .core__action-arrow { transform: translateX(3px); }

/* --------------------------------------------------------------------------
   Ecossistema — respostas de tela
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .ecosystem { padding: 4.5rem 0 5rem; }
  .ecosystem__head { grid-template-columns: 1fr; gap: 1.35rem; align-items: start; }
  .ecosystem__title br { display: initial; }
  .ecosystem__engraving { right: -34%; width: min(620px, 110vw); opacity: 0.32; }

  .core {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 1.5rem 1.75rem;
    padding: 1.85rem;
  }
  .core__action { grid-column: 1 / -1; justify-self: start; }
}

@media (max-width: 900px) {
  .node {
    grid-template-columns: 2.25rem 2.75rem minmax(0, 1fr) 1.25rem;
    grid-template-areas:
      "num icon body arrow"
      "num icon meta arrow";
    gap: 0.4rem 1.1rem;
  }

  .node__icon { width: 2.75rem; height: 2.75rem; }
  .node__name { font-size: 1.22rem; }

  .node__meta {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 0.6rem;
    text-align: left;
    margin-top: 0.55rem;
  }
}

@media (max-width: 560px) {
  .ecosystem__head { margin-bottom: 1.75rem; }
  .ecosystem__legend { gap: 0; }
  .ecosystem__legend > div {
    display: block;
    padding-right: 0.55rem;
  }
  .ecosystem__legend > div + div { padding-left: 0.55rem; }
  .ecosystem__legend dt { font-size: 1.15rem; }
  .ecosystem__legend dd { margin-top: 0.35rem; font-size: 0.58rem; letter-spacing: 0.07em; }

  .node {
    grid-template-columns: 2.5rem minmax(0, 1fr) 1.1rem;
    grid-template-areas:
      "icon body arrow"
      "icon meta arrow";
    padding: 1.15rem 0.5rem 1.15rem 0.9rem;
  }
  .node__num { display: none; }
  .node__icon { width: 2.5rem; height: 2.5rem; align-self: start; }
  .node__icon svg { width: 18px; height: 18px; }
  .node__name { font-size: 1.12rem; }
  .node__desc { font-size: 0.9rem; }

  .core { padding: 1.5rem 1.25rem; grid-template-columns: 1fr; }
  .core__seal { width: 64px; height: 64px; }
  .core__name { font-size: 1.42rem; }
  .core__action { width: 100%; min-width: 0; }
}

/* O grão e a rosácea param quando o usuário pede menos movimento */
@media (prefers-reduced-motion: reduce) {
  .core__seal svg { animation: none; }
  .core::after { display: none; }
}

/* --------------------------------------------------------------------------
   A gravura entra pelo motor de revelação (reveal.js): os anéis se desenham,
   os raios só acendem. Sem deslocamento — qualquer translate descentraria a
   rosácea, que está ancorada em translateY(-50%).
   -------------------------------------------------------------------------- */
.ecosystem__rings[data-reveal],
.ecosystem__spokes[data-reveal] { transform: none; }

.ecosystem__rings circle { --draw-dur: 2000ms; }