/* ==========================================================================
   iago.co · cenas
   Cada seção é uma "tela" que se forma: hero com circuito do agente,
   simulador de conversa, jornada pinada em 3 passos, modalidades em cena
   clara, diferenciais, prova social, manifesto com o render do mascote,
   central AEO (FAQ) e o CTA final com o sunrise de gradiente subindo.
   ========================================================================== */

/* ==========================================================================
   HERO
   ========================================================================== */

.hero {
  /* sem position: relative aqui: o .stage já é sticky e esse positioned
     value próprio cancelava o pin, deixando o hero rolar embora e expor a
     faixa vazia do .room (o "buraco" abaixo do hero) */
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 70px) 0 40px;
  background: var(--bg);
}

/* fundo em vídeo (assets/bg.mp4): camada base do palco, o horizonte do mar
   de partículas fica abaixo da zona do texto */
.hero__video {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 70%;
  pointer-events: none;
}

/* scrim funcional por cima do vídeo: segura o contraste do texto e funde
   a base do mar de partículas com o fundo da página */
.hero::after {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  pointer-events: none;
  background: linear-gradient(180deg,
    rgba(10, 7, 18, .66), rgba(10, 7, 18, .36) 46%,
    rgba(13, 9, 24, .86) 84%, var(--bg));
}

.hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

/* no hero só o fundo (vídeo + scrim) fica parado: o texto sobe bem além do
   drift padrão e desvanece com o --p, que via data-exit atravessa o hold E a
   cobertura pelo próximo painel — a saída é lenta e o texto segue sumindo
   enquanto o bloco de baixo sobe por cima do hero */
.hero .wrap {
  transform: translateY(calc(var(--p, 0) * -13vh));
  opacity: calc(1 - var(--p, 0) * 1.45);
}

.hero__title {
  font-size: clamp(40px, 6.6vw, 84px);
  font-weight: 800;
  margin: 26px auto 24px;
  max-width: 15em;
}

.hero__sub {
  max-width: 620px;
  margin: 0 auto 36px;
  color: var(--muted);
  font-size: clamp(15px, 1.7vw, 18.5px);
}

.hero__cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__proof {
  display: flex;
  gap: 12px 34px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 500;
}

.hero__proof span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero__proof .lucide {
  width: 16px;
  height: 16px;
  color: #a78bfa;
}

.hero__proof .star { color: #a78bfa; }

/* --- a rota do crédito ---------------------------------------------------- */

/* altura limitada pelo palco: em telas baixas a rota encolhe junto
   (480/1160 ≈ .414 de proporção; 262px ≈ nav + badge + título + respiro) */
.route {
  position: relative;
  width: min(1160px, 94vw, calc(242vh - 634px));
  width: min(1160px, 94vw, calc(242svh - 634px));
  margin: 46px auto 0;
  aspect-ratio: 1160 / 480;
}

.route__svg {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.route__svg path {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  /* pathLength=1 e base já desenhada: o draw é só enfeite de entrada,
     ?qa e movimento reduzido nunca escondem a trilha */
  stroke-dasharray: 1;
}

/* raios nascem do centro em cascata (backwards segura o traço escondido
   durante o delay de cada raio) */
.route.in .route__svg path { animation: route-draw .8s var(--e-io) backwards; }
.route.in .route__svg path:nth-of-type(1) { animation-delay: .15s; }
.route.in .route__svg path:nth-of-type(2) { animation-delay: .8s; }
.route.in .route__svg path:nth-of-type(3) { animation-delay: 1.2s; }
.route.in .route__svg path:nth-of-type(4) { animation-delay: 1.6s; }
.route.in .route__svg path:nth-of-type(5) { animation-delay: 2s; }

@keyframes route-draw {
  from { stroke-dashoffset: 1; }
  to { stroke-dashoffset: 0; }
}

/* pulsos: o de você entra no núcleo, os demais nascem dele e percorrem
   o próprio raio em ciclo escalonado */
.route__pulse {
  fill: var(--purple-soft);
  filter: drop-shadow(0 0 6px var(--glow-purple));
  offset-rotate: 0deg;
  opacity: 0;
  animation: spoke-flow 8s linear infinite;
  animation-delay: var(--pd, 0s);
}

.route__pulse--out { fill: #f4f1ff; }

@keyframes spoke-flow {
  0% { offset-distance: 0%; opacity: 0; }
  3% { opacity: 1; }
  18% { offset-distance: 100%; opacity: 1; }
  22%, 100% { offset-distance: 100%; opacity: 0; }
}

/* estações: ponto na trilha + card acima ou abaixo */
.route__node {
  position: absolute;
  width: 0;
  height: 0;
}

.route.in .route__node {
  animation: node-pop .6s var(--e-pop) backwards;
  animation-delay: var(--d, 0s);
}

@keyframes node-pop {
  from { opacity: 0; transform: translateY(12px) scale(.96); }
}

.route__dot {
  position: absolute;
  left: -5px;
  top: -5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--purple-soft);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, .22), 0 0 14px var(--glow-purple);
}

.route__card {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  /* o node tem largura zero: sem max-content o shrink-to-fit esmaga o
     card e o conteúdo nowrap vaza pra fora */
  width: max-content;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  padding: 13px 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  box-shadow: 0 12px 30px -18px #000;
  text-align: center;
}

/* cada card abre pro lado de fora do centro, como continuação do raio */
.route__node--left .route__card {
  left: auto;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
}

.route__node--right .route__card {
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
}

.route__node--down .route__card { top: 16px; }

.route__node--core .route__card {
  top: 50%;
  transform: translate(-50%, -50%);
}

.route__card-t {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--purple-soft);
}

.route__card .lucide {
  width: 14px;
  height: 14px;
  flex: none;
  color: var(--purple-soft);
}

/* pontas da rota: você entra, sua opção sai */
.route__card--you,
.route__card--out {
  flex-direction: row;
  gap: 8px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}

.route__card--you {
  border-color: rgba(167, 139, 250, .5);
  background: rgba(124, 58, 237, .14);
}

.route__card--you .lucide { width: 17px; height: 17px; }

.route__card--out {
  border-color: transparent;
  background: linear-gradient(160deg, #8b5cf6, #6d28d9);
  color: #fff;
  box-shadow: 0 14px 34px -14px rgba(124, 58, 237, .65);
}

.route__card--out .lucide { color: #fff; }

.route.in .route__card--out { animation: out-glow 3.2s var(--e-io) 2.8s infinite; }

@keyframes out-glow {
  0%, 100% { box-shadow: 0 14px 34px -14px rgba(124, 58, 237, .65); }
  50% { box-shadow: 0 14px 34px -14px rgba(124, 58, 237, .65), 0 0 30px -4px var(--glow-purple); }
}

/* iago: o núcleo de onde tudo sai */
.route__card--iago {
  gap: 6px;
  padding: 16px 24px;
  border-radius: 26px;
  border-color: var(--line-strong);
  background:
    radial-gradient(90% 90% at 50% 0%, rgba(124, 58, 237, .3), transparent 72%),
    linear-gradient(160deg, var(--surface-2), var(--surface));
  box-shadow: 0 24px 60px -24px #000, 0 0 60px -18px var(--glow-purple);
}

.route__card--iago .iago-holder { width: 72px; }

/* display: contents: nome e tagline viram itens da coluna do card */
.route__iago-txt { display: contents; }

.route__iago-txt b {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink);
}

.route__iago-txt small {
  font-size: 11.5px;
  color: var(--muted);
  white-space: nowrap;
}

/* anel que expande do núcleo: tudo nasce dele */
.route__node--core .route__card::after {
  content: "";
  position: absolute;
  top: -14px; right: -14px; bottom: -14px; left: -14px;
  border-radius: 34px;
  border: 1px solid rgba(167, 139, 250, .4);
  pointer-events: none;
  animation: core-ring 4s var(--e-io) 2.6s infinite;
}

@keyframes core-ring {
  0% { opacity: 0; transform: scale(.8); }
  12% { opacity: .8; }
  40%, 100% { opacity: 0; transform: scale(1.28); }
}

/* linhas do perfil */
.route__rows {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.route__rows span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

/* modalidades em ciclo: são muitas, então uma exemplo entra por vez */
.route__modswap {
  display: grid;
  width: 220px;
  height: 34px;
}

.route__modswap span {
  grid-area: 1 / 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(244, 241, 255, .03);
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
  /* base visível só pro primeiro: ?qa e movimento reduzido mostram algo */
  opacity: 0;
}

.route__modswap span:first-child { opacity: 1; }

.route.in .route__modswap span { animation: mod-cycle 11.2s linear infinite; }
.route.in .route__modswap span:nth-child(2) { animation-delay: 1.6s; }
.route.in .route__modswap span:nth-child(3) { animation-delay: 3.2s; }
.route.in .route__modswap span:nth-child(4) { animation-delay: 4.8s; }
.route.in .route__modswap span:nth-child(5) { animation-delay: 6.4s; }
.route.in .route__modswap span:nth-child(6) { animation-delay: 8s; }
.route.in .route__modswap span:nth-child(7) { animation-delay: 9.6s; }

@keyframes mod-cycle {
  0% { opacity: 0; transform: translateY(12px); }
  3% { opacity: 1; transform: none; }
  12% { opacity: 1; transform: none; }
  /* sai um pouco depois do slot: cruza com a entrada do próximo,
     efeito maquininha sem vazio entre as trocas */
  16%, 100% { opacity: 0; transform: translateY(-12px); }
}

/* parceiros: logos brancas + convite */
.route__partners {
  display: flex;
  align-items: center;
  gap: 14px;
}

.route__partners img {
  display: block;
  height: 18px;
  width: auto;
  opacity: .92;
}

.route__more {
  font-size: 12px;
  color: var(--muted);
}

/* rótulos dos trechos da rota: sempre acima dos cards */
.route__label {
  position: absolute;
  z-index: 3;
  transform: translate(-50%, -50%);
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(10, 7, 20, .88);
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
}

.route.in .route__label {
  animation: label-in .5s var(--e-io) backwards;
  animation-delay: var(--d, 0s);
}

@keyframes label-in {
  from { opacity: 0; }
}

/* conector vertical: só existe no mobile, onde a rota vira pilha */
.route__link { display: none; }

/* ==========================================================================
   SIMULADOR DO AGENTE
   ========================================================================== */

.agent-scene {
  background:
    radial-gradient(55% 45% at 50% 100%, rgba(23, 70, 255, .12), transparent 70%),
    var(--bg-2);
}

.agent {
  width: min(680px, 94vw);
  margin: 0 auto;
  border-radius: 28px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(170deg, var(--surface-2), var(--surface) 60%);
  box-shadow: 0 50px 120px -50px #000, 0 0 90px -40px var(--glow-purple);
  overflow: hidden;
}

.agent__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 7, 20, .35);
}

.agent__face {
  width: 52px;
  height: 36px;
  flex: none;
}

.agent__id strong {
  display: block;
  font-family: var(--font-display);
  font-size: 15px;
}

.agent__id span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #a78bfa;
  font-size: 12px;
  font-weight: 600;
}

.agent__id span::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #a78bfa;
  box-shadow: 0 0 10px rgba(167, 139, 250, .8);
  animation: hint-pulse 1.8s var(--e-io) infinite;
}

.agent__log {
  display: grid;
  gap: 12px;
  padding: 24px 22px;
  min-height: 210px;
}

.msg {
  max-width: 82%;
  padding: 13px 17px;
  border-radius: 18px;
  font-size: 14.5px;
  line-height: 1.55;
  animation: msg-in .5s var(--e-pop) both;
}

@keyframes msg-in {
  from { opacity: 0; transform: translateY(14px) scale(.96) }
  to { opacity: 1; transform: none }
}

.msg--iago {
  justify-self: start;
  border: 1px solid var(--line);
  background: rgba(124, 58, 237, .12);
  border-bottom-left-radius: 6px;
}

.msg--user {
  justify-self: end;
  background: var(--grad-cta);
  color: #fff;
  border-bottom-right-radius: 6px;
}

.msg--offer {
  border-color: rgba(124, 58, 237, .4);
  background: rgba(124, 58, 237, .12);
}

.msg--offer b { color: #a78bfa; }

.agent__chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 0 22px 16px;
}

.agent__chips button {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 12.5px;
  cursor: pointer;
  transition: color .25s, border-color .25s, background .25s;
}

.agent__chips button:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  background: rgba(244, 241, 255, .05);
}

.agent__form {
  display: flex;
  gap: 10px;
  padding: 16px 22px 20px;
  border-top: 1px solid var(--line);
  background: rgba(10, 7, 20, .35);
}

.agent__form input {
  flex: 1;
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(10, 7, 20, .6);
  color: var(--ink);
  font: inherit;
  font-size: 14.5px;
  outline: none;
  transition: border-color .25s, box-shadow .25s;
}

.agent__form input:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, .18);
}

.agent__form input::placeholder { color: var(--dim); }

.agent__send {
  flex: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 0;
  display: grid;
  place-items: center;
  background: var(--grad-cta);
  color: #fff;
  cursor: pointer;
  transition: transform .3s var(--e-pop), filter .3s;
}

.agent__send:hover {
  transform: scale(1.06);
  filter: brightness(1.1);
}

.agent.is-busy .agent__form,
.agent.is-busy .agent__chips { opacity: .45; pointer-events: none; }

/* ==========================================================================
   COMO FUNCIONA · cena pinada em 3 passos
   ========================================================================== */

/* o palco já é o próprio .stage (sticky); aqui só o fundo da jornada */
.pin__stage {
  background:
    radial-gradient(60% 45% at 50% 100%, rgba(124, 58, 237, .14), transparent 70%),
    var(--bg);
}

.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 20px;
}

/* trilho que se desenha conforme o scroll */
.steps__line {
  position: absolute;
  left: 4%;
  right: 4%;
  top: 62px;
  height: 2px;
  pointer-events: none;
}

.steps__line svg {
  width: 100%;
  height: 2px;
  overflow: visible;
}

.steps__line path {
  fill: none;
  stroke: url(#brandring);
  stroke-width: 2;
  stroke-dasharray: 1000;
  stroke-dashoffset: calc(1000 * (1 - var(--p, 0)));
  filter: drop-shadow(0 0 6px var(--glow-purple));
}

.step {
  position: relative;
  padding: 30px 28px 32px;
  border-radius: 26px;
  border: 1px solid var(--line);
  background: linear-gradient(170deg, var(--surface-2), var(--surface));
  /* já visível (apagado) pra o bloco nunca parecer vazio; o scroll acende */
  opacity: .3;
  transform: translateY(22px) rotate(1.2deg);
  filter: saturate(.55);
  transition: opacity .8s var(--e-soft), transform .9s var(--e-soft), filter .8s;
}

.pin__stage.s1 .step:nth-child(2),
.pin__stage.s2 .step:nth-child(3),
.pin__stage.s3 .step:nth-child(4) {
  opacity: 1;
  transform: none;
  filter: none;
}

.step__num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--purple-soft);
}

.step__face {
  width: 78px;
  height: 54px;
  margin: 14px 0 6px;
}

.step h3 {
  font-size: 21px;
  margin: 10px 0 10px;
}

.step p {
  color: var(--muted);
  font-size: 14.5px;
}

@media (max-width: 860px) {
  .pin { height: auto; }
  .pin__stage {
    position: static;
    height: auto;
    padding: 120px 0 90px;
  }
  .steps { grid-template-columns: 1fr; }
  .steps__line { display: none; }
  .step { opacity: 1; transform: none; }
}

/* ==========================================================================
   MODALIDADES · cena clara
   ========================================================================== */

.mods {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.mod {
  position: relative;
  padding: 30px 26px 30px;
  border-radius: 24px;
  border: 1px solid var(--light-line);
  background: var(--light-card);
  box-shadow: 0 24px 60px -40px rgba(25, 16, 54, .35);
  transition: transform .4s var(--e-pop), box-shadow .4s;
  overflow: hidden;
}

.mod::before {
  content: "";
  position: absolute;
  top: 0; right: 0; left: 0;
  height: 3px;
  background: var(--grad-brand);
  opacity: 0;
  transition: opacity .35s;
}

.mod:hover {
  transform: translateY(-6px);
  box-shadow: 0 36px 80px -44px rgba(25, 16, 54, .5);
}

.mod:hover::before { opacity: 1; }

.mod__icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  margin-bottom: 20px;
  color: var(--purple);
  background: rgba(124, 58, 237, .12);
  box-shadow: none;
}

.mod__icon .lucide { width: 24px; height: 24px; }

.mod h3 {
  font-size: 18.5px;
  margin-bottom: 10px;
}

.mod p {
  color: var(--light-muted);
  font-size: 14px;
}

.mod__tag {
  display: inline-block;
  margin-top: 18px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--light-bg-2);
  color: var(--purple);
  font-size: 12px;
  font-weight: 600;
}

@media (max-width: 1000px) { .mods { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .mods { grid-template-columns: 1fr; } }

/* ==========================================================================
   DIFERENCIAIS
   ========================================================================== */

.why {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.why__item {
  position: relative;
  padding: 36px 30px;
  border-radius: 26px;
  border: 1px solid var(--line);
  background: linear-gradient(170deg, var(--surface-2), var(--surface));
  overflow: hidden;
}

.why__item::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, .5), transparent 70%);
  opacity: .5;
}

.why__icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 17px;
  border: 1px solid var(--line-strong);
  background: rgba(10, 7, 20, .4);
  color: var(--purple-soft);
  margin-bottom: 22px;
}

.why__icon .lucide { width: 25px; height: 25px; }

.why__item h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.why__item p {
  color: var(--muted);
  font-size: 14.5px;
}

@media (max-width: 860px) { .why { grid-template-columns: 1fr; } }

/* ==========================================================================
   PROVA SOCIAL
   ========================================================================== */

.social-scene {
  background:
    radial-gradient(50% 40% at 50% 108%, rgba(255, 0, 225, .14), transparent 70%),
    var(--bg-2);
}

/* arco pontilhado lembrando o globo do vídeo */
.social-scene::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -46vw;
  width: 96vw;
  height: 96vw;
  /* centrado por margem: não depende da propriedade translate */
  margin-left: -48vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244, 241, 255, .3) 1.1px, transparent 1.7px);
  background-size: 17px 17px;
  mask-image: radial-gradient(closest-side, #000 55%, transparent 72%);
  -webkit-mask-image: radial-gradient(closest-side, #000 55%, transparent 72%);
  opacity: .5;
  pointer-events: none;
  animation: globe-spin 60s linear infinite;
}

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

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 58px;
}

.metric {
  text-align: center;
  padding: 30px 16px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: rgba(23, 16, 41, .82);
}

.metric b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 800;
  letter-spacing: -.03em;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.metric span {
  color: var(--muted);
  font-size: 13.5px;
}

.quotes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.quote {
  padding: 30px 28px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(170deg, var(--surface-2), var(--surface));
  display: grid;
  gap: 16px;
}

.quote .lucide {
  width: 22px;
  height: 22px;
  color: #a78bfa;
}

.quote p {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.65;
}

.quote footer {
  color: var(--muted);
  font-size: 13px;
}

.quote footer b { color: var(--purple-soft); }

@media (max-width: 960px) {
  .metrics { grid-template-columns: 1fr 1fr; }
  .quotes { grid-template-columns: 1fr; }
}

/* ==========================================================================
   MANIFESTO · cena clara com o render do mascote
   ========================================================================== */

.about {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.about__art {
  position: relative;
  display: grid;
  place-items: center;
}

.about__art img {
  width: min(400px, 80%);
  mix-blend-mode: multiply;
  animation: mascot-float 6s var(--e-io) infinite;
}

@keyframes mascot-float {
  0%, 100% { transform: translateY(0) rotate(-1deg) }
  50% { transform: translateY(-16px) rotate(1.4deg) }
}

.about__art::before {
  content: "";
  position: absolute;
  width: 78%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 32%, rgba(124, 58, 237, .2), rgba(16, 188, 180, .12) 58%, transparent 72%);
}

.about__text .scene__title {
  text-align: left;
  margin-top: 18px;
}

.about__text p {
  color: var(--light-muted);
  font-size: 15.5px;
  margin-top: 16px;
}

.about__flags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.about__flags span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border-radius: 999px;
  border: 1px solid var(--light-line);
  background: var(--light-card);
  color: var(--light-ink);
  font-size: 13px;
  font-weight: 600;
}

.about__flags .lucide { width: 15px; height: 15px; color: var(--purple); }

@media (max-width: 900px) {
  .about { grid-template-columns: 1fr; gap: 30px; }
  .about__text .scene__title { text-align: center; }
}

/* ==========================================================================
   CENTRAL AEO · FAQ
   ========================================================================== */

.faq {
  width: min(820px, 94vw);
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.faq__item {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
  transition: border-color .3s;
}

.faq__item.is-open { border-color: rgba(124, 58, 237, .5); }

.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 21px 24px;
  border: 0;
  background: transparent;
  text-align: left;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

.faq__q .lucide {
  flex: none;
  color: var(--purple-soft);
  transition: transform .4s var(--e-pop);
}

.faq__item.is-open .faq__q .lucide { transform: rotate(45deg); }

.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .5s var(--e-soft);
}

.faq__item.is-open .faq__a { grid-template-rows: 1fr; }

.faq__a > div {
  overflow: hidden;
}

.faq__a p {
  padding: 0 24px 22px;
  color: var(--muted);
  font-size: 14.5px;
}

/* ==========================================================================
   CTA FINAL · sunrise de gradiente
   ========================================================================== */

/* o palco já é o próprio .stage (sticky); aqui só o fundo do sunrise */
.cta__stage {
  display: grid;
  place-items: center;
  background: var(--bg);
  text-align: center;
}

/* o domo de gradiente sobe conforme o scroll, como no vídeo */
.cta__sun {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: min(1240px, 108vw);
  height: 78vh;
  height: 78svh;
  margin-left: calc(min(1240px, 108vw) / -2);
  transform: translateY(calc(96% - var(--p, 0) * 62%));
  border-radius: 44px 44px 0 0;
  background: linear-gradient(180deg,
    #a78bfa 0%,
    var(--purple) 20%,
    #4c1d95 44%,
    var(--light-bg) 72%);
  box-shadow: 0 -30px 120px -30px var(--glow-purple);
}

.cta__sun::before {
  content: "";
  position: absolute;
  top: -2px; right: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #fff, transparent);
  opacity: .9;
}

.cta__content {
  position: relative;
  z-index: 2;
  padding: 0 20px;
  transform: translateY(calc(var(--p, 0) * -10vh));
}

.cta__content .scene__title {
  font-size: clamp(36px, 5.4vw, 66px);
}

/* formulário de contato pousado sobre o domo */
.cta__form {
  width: min(660px, 100%);
  margin: 34px auto 0;
  padding: 22px 22px 20px;
  border-radius: 24px;
  border: 1px solid var(--line-strong);
  background: rgba(13, 9, 24, .78);
  box-shadow: 0 30px 80px -40px #000;
  text-align: left;
}

.cta__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.fld { display: block; }

.fld + .fld,
.cta__row + .fld { margin-top: 12px; }

.fld span {
  display: block;
  margin: 0 0 6px 2px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--dim);
}

.fld input,
.fld textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(10, 7, 20, .6);
  color: var(--ink);
  font: inherit;
  font-size: 14.5px;
  outline: none;
  resize: vertical;
  transition: border-color .25s, box-shadow .25s;
}

.fld input:focus,
.fld textarea:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, .18);
}

.fld input::placeholder,
.fld textarea::placeholder { color: var(--dim); }

.fld .is-bad,
.fld input.is-bad,
.fld textarea.is-bad {
  border-color: rgba(248, 113, 113, .75);
}

.cta__form-foot {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.cta__wa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.cta__wa:hover { color: var(--ink); }

.cta__wa .lucide { width: 16px; height: 16px; }

.cta__ok {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  color: var(--purple-soft);
  font-weight: 600;
}

.cta__ok .lucide { width: 18px; height: 18px; flex: none; }

/* o display:flex próprio não pode vencer o atributo hidden */
.cta__ok[hidden] { display: none; }

/* depois do envio só fica a confirmação */
.cta__form.is-sent .cta__row,
.cta__form.is-sent .fld--msg,
.cta__form.is-sent .cta__form-foot { display: none; }

.cta__content .scene__sub {
  max-width: 560px;
  margin: 20px auto 34px;
}

/* quando o domo cobre a base da cena, a crista "acende" (o texto permanece
   em tinta clara sobre o céu escuro acima da crista, sempre legível) */
.cta__stage.lit .cta__sun {
  box-shadow: 0 -40px 190px -10px var(--glow-purple);
}

.cta__stage.lit .cta__sun::before { opacity: 1; }

/* ==========================================================================
   AJUSTES PRA CADA TELA CABER EM 100svh (modelo de telas empilhadas)
   ========================================================================== */

section.stage { padding: calc(var(--nav-h) + 18px) 0 18px; }

.scene__head { margin-bottom: 30px; }

.hero__title {
  font-size: clamp(34px, 5.2vw, 66px);
  margin: 16px auto 18px;
}

.hero__sub { margin-bottom: 26px; }

.route { margin: 28px auto 0; }

.chip-scene {
  background:
    radial-gradient(70% 55% at 50% 0%, rgba(23, 70, 255, .14), transparent 68%),
    var(--bg-2);
}

.chip-scene .scene__title { margin: 14px 0 0; }

.agent__log { min-height: 140px; padding: 18px 22px; }

.quote p { font-size: 13.5px; }

.faq {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 26px;
}

/* o item preenche a altura da linha da grid: quando o vizinho abre, o card
   estica junto em vez de deixar um buraco ao lado, e a pergunta fica
   centrada na sobra de espaço */
.faq__item {
  display: flex;
  flex-direction: column;
}

.faq__q { flex: 1; }

.footer { z-index: 3; }

/* telas baixas (laptops pequenos): aperta o conteúdo pra caber no palco */
@media (max-height: 780px) {
  .scene__head { margin-bottom: 16px; }
  .steps { gap: 16px; margin-top: 8px; }
  .step p { font-size: 13px; }
  .metrics { gap: 12px; }
  .quote p { font-size: 12.5px; }
}

/* em telas pequenas o modelo empilhado não cabe: volta a rolagem normal */
@media (max-width: 860px) {
  .stage {
    position: static;
    height: auto;
    /* nunca visible: o palco é o clip de todo decor absolute do mobile
       (arco giratório da prova social, glow dos depoimentos etc.) */
    overflow: hidden;
    padding: 96px 0 64px;
  }
  .room { display: none; }
  /* sem o modelo pinado o palco vira caixa estática: snap direto nele,
     margem negativa cancelando o scroll-padding-top do html */
  .stage {
    scroll-snap-align: start;
    scroll-margin-top: calc(-1 * (var(--nav-h) + 24px));
  }
  /* overflow-x: clip não existe em iOS < 16: o hidden garante que a página
     nunca arraste pro lado (e o nav fixed pare de "andar"), e o @supports
     faz o upgrade pra clip onde ele existe. Só no html: no body o clip
     quebraria o position: sticky das stages */
  html { overflow-x: hidden; }
  @supports (overflow: clip) {
    html { overflow-x: clip; }
  }
  .stage .wrap { transform: none; }
  .hero .wrap { opacity: 1; }
  /* o palco vira static no mobile: o hidden/clip segura qualquer decor
     absolute (o vídeo é inset 0, mas o domo do CTA agradece) */
  .hero { overflow: hidden; }
  /* sem sticky o palco vira static: o domo absolute (108vw + glow) precisa
     do palco como bloco de posicionamento E de clip, senão ele escapa e
     cria rolagem horizontal */
  .cta__stage { position: relative; overflow: hidden; }
  @supports (overflow: clip) {
    .hero, .cta__stage, .stage { overflow: clip; }
  }
  .faq { grid-template-columns: 1fr; }
  .cta__sun { transform: translateY(58%); width: 100vw; margin-left: -50vw; }
  /* o arco gira: a bbox de um quadrado de 96vw rotacionado chega a ~136vw e
     as pontas vazavam a tela (rolagem horizontal + nav "andando").
     Em 70vw o pior ângulo fecha em ~99vw, sempre dentro do viewport. */
  .social-scene::before { width: 70vw; height: 70vw; margin-left: -35vw; bottom: -32vw; }
  /* glow de canto: -60px ultrapassava a borda do palco no mobile */
  .why__item::after { right: -12px; top: -12px; }
  .cta__content { transform: none; }
  .cta__row { grid-template-columns: 1fr; }
  .cta__form { padding: 18px 16px 16px; margin-top: 26px; }
  .nav { padding: 8px 14px 8px 12px; gap: 14px; }
  .nav__mark { width: 54px; height: 22px; }
  .nav__cta { padding: 8px 12px; font-size: 12.5px; }
  .intro__logo { width: min(300px, 76vw); }
  /* a rota vira pilha vertical: cards no fluxo, conectores entre eles,
     trilha e rótulos absolutos só existem no desktop */
  .route {
    position: static;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: min(400px, 100%);
    margin-top: 34px;
    aspect-ratio: auto;
  }
  .route__svg, .route__label { display: none; }
  .route__node {
    position: static;
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .route__dot { display: none; }
  .route__card,
  .route__node--left .route__card,
  .route__node--right .route__card,
  .route__node--down .route__card,
  .route__node--core .route__card {
    position: relative;
    /* zera os offsets dos modificadores desktop: em relative eles
       virariam deslocamento (left:50% empurrava o card pra fora) */
    left: auto; right: auto; top: auto; bottom: auto;
    transform: none;
    width: 100%;
    max-width: 340px;
  }
  .route__link {
    display: block;
    position: relative;
    width: 2px;
    height: 34px;
    margin: 4px 0;
    background: var(--line-strong);
  }
  .route__link::before {
    content: "";
    position: absolute;
    bottom: 0; left: 50%;
    transform: translate(-50%, 50%);
    border: 5px solid transparent;
    border-top-color: var(--line-strong);
  }
  .route__link::after {
    content: attr(data-label);
    position: absolute;
    left: 12px; top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: var(--muted);
    white-space: nowrap;
  }
  .route__card--iago .iago-holder { width: 64px; }
  .route__partners { gap: 12px; }
  .route__partners img { height: 15px; }
  .step { padding: 22px 20px 24px; }
  .step__face { width: 64px; height: 44px; }
  .agent__face { width: 42px; height: 29px; }
}

/* movimento reduzido: conteúdo sempre completo e circuito parado */
@media (prefers-reduced-motion: reduce) {
  .step { opacity: 1 !important; transform: none !important; filter: none !important; }
  .route__svg path { animation: none !important; }
  .route__pulse { animation: none !important; opacity: 0 !important; }
  .route__node,
  .route__label,
  .route__modswap span,
  .route__node--core .route__card::after,
  .route__card--out { animation: none !important; }
}