/* Site institucional MAVTA — linguagem visual inspirada na Maoz (fotografia em
   tela cheia com tratamento azul, serifa fina, faixas claras entre seções
   escuras), com a marca e o índigo da MAVTA nos detalhes. */

:root {
  --navy: #000518;
  --navy-2: #050b24;
  --navy-3: #0a1130;
  --creme: #e4dfd9;
  --creme-forte: #f0ede8;
  --creme-2: #aea498;
  --creme-3: #7d766e;
  --tinta: #0a1130;
  --tinta-2: #4a4f63;
  --linha: rgba(228, 223, 217, 0.12);
  --linha-escura: rgba(10, 17, 48, 0.14);
  --indigo: #4f5dff;

  --serifa: "Fraunces", "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --largura: 1180px;
  --suave: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  background: var(--navy);
  color: var(--creme);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serifa); font-weight: 300; line-height: 1.1; letter-spacing: -0.012em; font-optical-sizing: auto; }
:focus-visible { outline: 1px solid var(--creme); outline-offset: 4px; }

.container { width: 100%; max-width: var(--largura); margin: 0 auto; padding: 0 32px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.pular { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; background: var(--creme); color: var(--tinta); text-decoration: none; }
.pular:focus { top: 12px; }

/* "— SOBRETÍTULO", como na Maoz */
.sobretitulo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--creme-2);
}
.sobretitulo::before { content: ""; width: 18px; height: 1px; background: var(--indigo); }

/* Botões e links */
.pilula {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  border: 1px solid rgba(228, 223, 217, 0.4);
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--creme-forte);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.4s var(--suave), color 0.4s var(--suave), border-color 0.4s var(--suave);
}
.pilula:hover { background: var(--creme-forte); color: var(--tinta); border-color: var(--creme-forte); }
.pilula--espacada { padding: 17px 38px; font-size: 0.78rem; letter-spacing: 0.22em; text-transform: uppercase; background: rgba(0, 5, 24, 0.2); backdrop-filter: blur(4px); }
.pilula--escura { background: var(--tinta); border-color: var(--tinta); color: var(--creme-forte); padding: 16px 32px; }
.pilula--escura:hover { background: var(--indigo); border-color: var(--indigo); color: #fff; }

.link-seta { display: inline-flex; align-items: center; gap: 10px; font-size: 0.92rem; font-weight: 500; color: var(--creme-forte); text-decoration: none; }
.link-seta::after { content: "→"; transition: transform 0.4s var(--suave); }
.link-seta:hover::after { transform: translateX(5px); }

/* Tratamento de cor das fotos: preto e branco com banho azul-marinho */
.card, .hero__midia, .manifesto { position: relative; overflow: hidden; }
.card img, .hero__video, .manifesto__foto { filter: grayscale(1) contrast(1.06) brightness(0.72); }
.card::after, .hero__midia::after, .manifesto::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: #1d2748;
  mix-blend-mode: color;
}

/* Cabeçalho */
.topo { position: fixed; inset: 0 0 auto; z-index: 50; transition: background 0.5s var(--suave), backdrop-filter 0.5s; }
.topo--rolado { background: rgba(0, 5, 24, 0.95); backdrop-filter: blur(16px); }
.topo__linha { display: flex; align-items: center; justify-content: space-between; height: 92px; max-width: 1320px; margin: 0 auto; padding: 0 48px; transition: height 0.5s var(--suave); }
.topo--rolado .topo__linha { height: 72px; }
.marca img { width: 150px; height: auto; }
.nav { display: flex; align-items: center; gap: 34px; }
.nav__link { font-size: 0.95rem; color: var(--creme-2); text-decoration: none; transition: color 0.3s; }
.nav__link:hover { color: var(--creme-forte); }
.topo__menu-botao { display: none; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; }
.hamburguer, .hamburguer::before, .hamburguer::after { display: block; width: 22px; height: 1px; margin: 0 auto; background: var(--creme-forte); position: relative; transition: transform 0.4s var(--suave), background 0.3s; }
.hamburguer::before, .hamburguer::after { content: ""; position: absolute; left: 0; }
.hamburguer::before { top: -7px; }
.hamburguer::after { top: 7px; }
.topo--aberto .hamburguer { background: transparent; }
.topo--aberto .hamburguer::before { transform: translateY(7px) rotate(45deg); }
.topo--aberto .hamburguer::after { transform: translateY(-7px) rotate(-45deg); }

/* 01 · Capa */
.hero { position: relative; height: 100vh; min-height: 680px; overflow: hidden; background: var(--navy); }
.hero__midia { position: absolute; inset: 0; background: var(--navy); }
.hero__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero__midia::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(0, 5, 24, 0.6) 0%, rgba(0, 5, 24, 0.45) 45%, rgba(0, 5, 24, 0.88) 100%);
}
.hero__conteudo {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px 140px;
  text-align: center;
}
.assinatura { margin-bottom: 30px; font-size: 0.74rem; font-weight: 500; letter-spacing: 0.3em; text-transform: uppercase; color: var(--creme-2); }
.hero h1 { max-width: 1000px; font-size: clamp(2.3rem, 5.2vw, 4.3rem); line-height: 1.08; color: var(--creme-forte); margin-bottom: 26px; }
.hero__conteudo > p { max-width: 640px; font-size: 1.12rem; color: var(--creme); margin-bottom: 44px; }
.hero__acoes { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 30px; }
.js .hero__conteudo > * { animation: entrar 1.3s var(--suave) both; }
.js .hero__conteudo > :nth-child(2) { animation-delay: 0.12s; }
.js .hero__conteudo > :nth-child(3) { animation-delay: 0.3s; }
.js .hero__conteudo > :nth-child(4) { animation-delay: 0.45s; }
@keyframes entrar { from { opacity: 0; transform: translateY(26px); } }

.hero__abas { position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); z-index: 3; width: min(1180px, 100%); padding: 0 32px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.hero__abas button { position: relative; padding: 22px 0 34px; border: 0; border-top: 1px solid rgba(228, 223, 217, 0.22); background: none; text-align: left; cursor: pointer; font: inherit; font-size: 0.8rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--creme-3); transition: color 0.4s; }
.hero__abas button[aria-selected="true"], .hero__abas button:hover { color: var(--creme-forte); }
.hero__abas i { position: absolute; top: -1px; left: 0; height: 1px; width: 0; background: var(--creme-forte); }
/* a barra da aba ativa acompanha o tempo do vídeo (ver script.js) */
.hero__abas button[aria-selected="true"] i { width: var(--progresso, 0%); }

/* 02 · Uma nova perspectiva (faixa clara) */
.perspectiva { background: var(--creme); color: var(--tinta); padding: 150px 0; }
.perspectiva .sobretitulo { color: var(--tinta-2); }
.perspectiva__grade { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: end; }
.perspectiva h2 { font-size: clamp(2.3rem, 4.4vw, 3.5rem); }
.perspectiva__texto p { font-size: 1.1rem; color: var(--tinta-2); }
.perspectiva__texto p + p { margin-top: 20px; }

/* 03 · Como a MAVTA ajuda */
.ajuda { position: relative; padding: 150px 0 140px; background: var(--navy-2); overflow: hidden; }
.ajuda__textura {
  position: absolute;
  top: 0;
  right: -10%;
  width: 60%;
  height: 100%;
  background: url("assets/fotos/hero-2.webp") center / cover;
  filter: grayscale(1) brightness(0.35);
  opacity: 0.35;
  mask-image: linear-gradient(90deg, transparent, #000 45%, #000 70%, transparent);
}
.ajuda .container { position: relative; }
.cabeca { max-width: 760px; margin-bottom: 80px; }
.cabeca h2 { font-size: clamp(2.2rem, 4.2vw, 3.3rem); color: var(--creme-forte); }
.pilares { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.pilar > p { margin-top: 24px; padding-right: 12px; color: var(--creme-2); font-size: 1rem; }
.card { aspect-ratio: 3 / 4; border: 1px solid var(--linha); border-radius: 6px; background: var(--navy-3); }
.card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); transition: transform 1.6s var(--suave); }
.pilar:hover .card img { transform: scale(1.08); }
.card::before { content: ""; position: absolute; inset: 0; z-index: 1; background: rgba(0, 5, 24, 0.5); transition: background 0.8s var(--suave); }
.pilar:hover .card::before { background: rgba(0, 5, 24, 0.35); }
.card__marca { position: absolute; inset: 0; z-index: 2; display: flex; align-items: center; justify-content: center; gap: 22px; color: var(--creme-forte); }
.card__marca svg { width: 42px; height: 44px; flex-shrink: 0; padding-right: 22px; box-sizing: content-box; border-right: 1px solid rgba(240, 237, 232, 0.55); }
.card__marca b { font-family: var(--sans); font-weight: 400; font-size: 1.4rem; letter-spacing: 0.08em; text-transform: uppercase; }
.card__rodape { position: absolute; left: 0; right: 0; bottom: 28px; z-index: 2; text-align: center; font-size: 0.72rem; letter-spacing: 0.2em; color: var(--creme-2); }

/* 04 · Manifesto sobre foto */
.manifesto { padding: 180px 0; background: #000311; }
.manifesto__foto { position: absolute; inset: 0; width: 100%; height: 120%; object-fit: cover; will-change: transform; }
.manifesto::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(0, 3, 17, 0.94) 0%, rgba(0, 3, 17, 0.72) 48%, rgba(0, 3, 17, 0.2) 100%); }
.manifesto .container { position: relative; z-index: 2; }
.manifesto__texto { max-width: 680px; }
.manifesto h2 { font-size: clamp(2.4rem, 4.8vw, 3.8rem); color: var(--creme-forte); margin-bottom: 30px; }
.manifesto p { font-size: 1.08rem; color: var(--creme-2); }
.manifesto .manifesto__fecho { margin-top: 34px; font-family: var(--serifa); font-weight: 300; font-style: italic; font-size: clamp(1.4rem, 2.2vw, 1.75rem); line-height: 1.3; color: var(--creme-forte); }

/* 05 · Encerramento (faixa clara) */
.contato { padding: 160px 0; background: var(--creme); color: var(--tinta); }
.contato .sobretitulo { color: var(--tinta-2); }
.contato h2 { max-width: 860px; font-size: clamp(2.3rem, 4.6vw, 3.6rem); margin-bottom: 24px; }
.contato p { max-width: 560px; color: var(--tinta-2); font-size: 1.08rem; margin-bottom: 44px; }
.contato .contato__assinatura { margin: 56px 0 0; font-size: 0.74rem; font-weight: 500; letter-spacing: 0.3em; text-transform: uppercase; color: var(--tinta-2); }

/* Rodapé */
.rodape { background: var(--navy-3); padding: 88px 0 40px; font-size: 0.94rem; }
.rodape__colunas { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 60px; border-bottom: 1px solid var(--linha); }
.rodape__colunas img { width: 170px; height: auto; margin-bottom: 22px; }
.rodape__slogan { font-size: 0.7rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--creme-2); }
.rodape h4 { margin-bottom: 20px; font-size: 0.74rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--creme-3); }
.rodape__colunas a { display: block; margin-bottom: 12px; color: var(--creme); text-decoration: none; transition: color 0.3s; }
.rodape__colunas a:hover { color: var(--creme-forte); }
.rodape__legal { padding-top: 30px; font-size: 0.8rem; color: var(--creme-3); }
.rodape__legal p + p { margin-top: 10px; }
.creditos { margin-top: 18px; }
.creditos summary { cursor: pointer; width: fit-content; }
.creditos ul { list-style: none; margin-top: 12px; display: grid; gap: 4px; }
.creditos a { color: var(--creme-2); }

/* Entrada suave ao rolar */
.js .revelar { opacity: 0; transform: translateY(34px); transition: opacity 1.2s var(--suave), transform 1.2s var(--suave); }
.js .revelar.visivel { opacity: 1; transform: none; }
.js .pilares .revelar:nth-child(2), .js .perspectiva__texto.revelar { transition-delay: 0.14s; }
.js .pilares .revelar:nth-child(3) { transition-delay: 0.28s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .revelar { opacity: 1 !important; transform: none !important; transition: none !important; }
  .js .hero__conteudo > * { animation: none !important; }
  .card img { transition: none !important; transform: none !important; }
}

/* Responsivo */
@media (max-width: 1080px) {
  .nav { gap: 24px; }
  .topo__linha { padding: 0 32px; }
}
@media (max-width: 960px) {
  .topo__menu-botao { display: block; position: relative; z-index: 2; }
  .nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 6px;
    padding: 100px 32px 40px;
    background: var(--navy);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s var(--suave), visibility 0.5s;
  }
  .topo--aberto .nav { opacity: 1; visibility: visible; }
  .nav__link { font-family: var(--serifa); font-weight: 300; font-size: 1.9rem; color: var(--creme-forte); padding: 4px 0; }
  .nav .pilula { margin-top: 24px; }
  .perspectiva__grade { grid-template-columns: 1fr; gap: 36px; }
  .pilares { grid-template-columns: 1fr; max-width: 520px; gap: 56px; }
  .card { aspect-ratio: 4 / 3.2; }
  .rodape__colunas { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  body { font-size: 15.5px; }
  .container { padding: 0 20px; }
  .topo__linha { padding: 0 20px; height: 76px; }
  .marca img { width: 124px; }
  .hero { min-height: 640px; }
  .hero__conteudo { padding: 80px 20px 120px; }
  .hero__conteudo > p { margin-bottom: 34px; }
  .hero__acoes { flex-direction: column; gap: 22px; }
  .pilula--espacada { padding: 15px 28px; letter-spacing: 0.16em; }
  .hero__abas { padding: 0 20px; gap: 14px; }
  .hero__abas button { font-size: 0.66rem; letter-spacing: 0.14em; padding-bottom: 26px; }
  .perspectiva, .ajuda, .manifesto, .contato { padding: 100px 0; }
  .cabeca { margin-bottom: 56px; }
  .card__marca svg { width: 34px; height: 36px; padding-right: 16px; }
  .card__marca { gap: 16px; }
  .card__marca b { font-size: 1.15rem; }
  .rodape__colunas { grid-template-columns: 1fr; }
}