/* ============================================================
   Flow Pilates Studio — Paraíso, São Paulo
   Display: Spectral · Corpo: Manrope
   Paleta: petróleo (marca) + névoa + madeira dos aparelhos
   ============================================================ */

:root {
  --nevoa: #F2F5F4;
  --branco: #FFFFFF;
  --petroleo: #16636D;
  --petroleo-escuro: #0C3B42;
  --petroleo-profundo: #082B31;
  --aqua: #D9E8E6;
  --tinta: #16282B;
  --tinta-suave: #51686B;
  --madeira: #B07C45;
  --fonte-display: "Spectral", Georgia, serif;
  --fonte-corpo: "Manrope", system-ui, sans-serif;
  --raio: 18px;
  --miolo-max: 1120px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--fonte-corpo);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--tinta);
  background: var(--nevoa);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }

a { color: var(--petroleo); }

h1, h2, h3 {
  font-family: var(--fonte-display);
  font-weight: 500;
  line-height: 1.12;
  color: var(--tinta);
  text-wrap: balance;
}

h1 { font-size: clamp(2.4rem, 5.6vw, 4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); letter-spacing: -0.005em; }
h3 { font-size: 1.25rem; font-weight: 600; }

h1 em, h2 em { font-style: italic; color: var(--petroleo); }

.miolo { max-width: var(--miolo-max); margin: 0 auto; padding: 0 24px; }
.miolo-estreito { max-width: 780px; }

.olho {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--petroleo);
  margin-bottom: 14px;
}

/* ---------- Botões ---------- */

.botao {
  display: inline-block;
  font-family: var(--fonte-corpo);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border-radius: 999px;
  padding: 14px 28px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}
.botao:hover { transform: translateY(-2px); }
.botao:focus-visible { outline: 3px solid var(--madeira); outline-offset: 3px; }

.botao-cheio {
  background: var(--petroleo);
  color: var(--branco);
  box-shadow: 0 8px 24px rgba(22, 99, 109, 0.28);
}
.botao-cheio:hover { background: var(--petroleo-escuro); }

.botao-linha {
  color: var(--tinta);
  border: 1.5px solid rgba(22, 40, 43, 0.25);
  background: transparent;
}
.botao-linha:hover { border-color: var(--petroleo); color: var(--petroleo); }

.botao-topo {
  background: var(--petroleo);
  color: var(--branco);
  padding: 10px 20px;
  font-size: 0.92rem;
}
.botao-topo:hover { background: var(--petroleo-escuro); }

.botao-claro {
  background: var(--branco);
  color: var(--petroleo-escuro);
}
.botao-claro:hover { background: var(--aqua); }

.botao-fantasma {
  color: var(--branco);
  border: 1.5px solid rgba(255, 255, 255, 0.45);
}
.botao-fantasma:hover { border-color: var(--branco); }

/* ---------- Topo ---------- */

.topo {
  display: flex;
  align-items: center;
  gap: 32px;
  max-width: var(--miolo-max);
  margin: 0 auto;
  padding: 20px 24px;
}

.marca {
  display: flex;
  align-items: baseline;
  gap: 8px;
  text-decoration: none;
  color: var(--tinta);
}

.marca-folha {
  width: 20px;
  height: 20px;
  align-self: center;
  fill: var(--petroleo);
}

.marca-nome {
  font-family: var(--fonte-display);
  font-style: italic;
  font-weight: 500;
  font-size: 1.7rem;
  line-height: 1;
  color: var(--petroleo-escuro);
}

.marca-sub {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tinta-suave);
}

.topo-nav { display: flex; gap: 24px; margin-left: auto; }
.topo-nav a {
  text-decoration: none;
  color: var(--tinta-suave);
  font-weight: 600;
  font-size: 0.95rem;
}
.topo-nav a:hover { color: var(--petroleo); }

/* ---------- Linha do movimento (assinatura) ---------- */

.linha-flow {
  position: absolute;
  left: 0;
  width: 100%;
  pointer-events: none;
}
.linha-flow path {
  stroke: var(--petroleo);
  stroke-width: 1.5;
  opacity: 0.35;
}
.js .linha-flow path {
  stroke-dasharray: var(--comprimento, 2400);
  stroke-dashoffset: var(--comprimento, 2400);
  transition: stroke-dashoffset 2.4s ease-out;
}
.js .linha-flow.desenhada path { stroke-dashoffset: 0; }

/* ---------- Herói ---------- */

.heroi { position: relative; overflow: hidden; }

.linha-heroi { top: 8%; height: 84%; }

.heroi-grade {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  max-width: var(--miolo-max);
  margin: 0 auto;
  padding: 48px 24px 88px;
}

.heroi-sub {
  font-size: 1.15rem;
  color: var(--tinta-suave);
  max-width: 34em;
  margin-top: 22px;
}

.heroi-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

.heroi-horario {
  margin-top: 22px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--tinta-suave);
}
.heroi-horario::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--madeira);
  margin-right: 10px;
  vertical-align: 2px;
}

.heroi-foto img {
  border-radius: 200px 200px var(--raio) var(--raio);
  box-shadow: 0 24px 60px rgba(12, 59, 66, 0.22);
}

/* ---------- Faixa de aparelhos ---------- */

.faixa {
  background: var(--petroleo-escuro);
  overflow: hidden;
  padding: 18px 0;
}

.faixa-trilho {
  display: flex;
  align-items: center;
  gap: 28px;
  width: max-content;
  animation: rolar 28s linear infinite;
}

.faixa-trilho span {
  font-family: var(--fonte-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--aqua);
  white-space: nowrap;
}

.faixa-trilho i { color: var(--madeira); font-style: normal; }

@keyframes rolar {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Seções: espaçamento base ---------- */

.fases, .passos { padding: 96px 0; }
.galeria { padding: 96px 0 80px; }
.faq { padding: 96px 0; }

/* ---------- Para quem ---------- */

.fases { background: var(--branco); }

.fases-grade {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.fase figure {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--raio);
  background: var(--aqua);
}

.fase img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.fase:hover img { transform: scale(1.035); }

.fase h3 { margin: 20px 0 8px; }
.fase p { color: var(--tinta-suave); font-size: 0.98rem; }

/* ---------- O estúdio ---------- */

.estudio {
  position: relative;
  background: var(--nevoa);
  padding: 104px 0;
  overflow: hidden;
}

.linha-estudio { top: 0; height: 180px; }
.linha-estudio path { stroke: var(--madeira); }

.estudio-grade {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.estudio-foto img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--raio);
  box-shadow: 0 20px 50px rgba(12, 59, 66, 0.18);
}

.estudio-texto p + p { margin-top: 16px; }
.estudio-texto h2 { margin-bottom: 20px; }
.estudio-texto > p { color: var(--tinta-suave); }

.estudio-fatos {
  list-style: none;
  margin-top: 28px;
  border-top: 1px solid rgba(22, 99, 109, 0.18);
}
.estudio-fatos li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(22, 99, 109, 0.18);
  font-size: 0.98rem;
  color: var(--tinta-suave);
}
.estudio-fatos strong { color: var(--tinta); font-weight: 700; }

/* ---------- Como funciona ---------- */

.passos { background: var(--branco); }

.passos-grade {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
  counter-reset: passo;
}

.passo {
  background: var(--nevoa);
  border-radius: var(--raio);
  padding: 32px 28px;
}

.passo-n {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--petroleo);
  color: var(--branco);
  font-family: var(--fonte-display);
  font-size: 1.3rem;
  font-style: italic;
}

.passo h3 { margin: 18px 0 8px; }
.passo p { color: var(--tinta-suave); font-size: 0.98rem; }

.passos-cta { text-align: center; margin-top: 44px; }

/* ---------- Galeria ---------- */

.galeria { background: var(--nevoa); }

.galeria-grade {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 250px;
  gap: 16px;
  max-width: var(--miolo-max);
  margin: 44px auto 0;
  padding: 0 24px;
}

.galeria-grade figure { overflow: hidden; border-radius: var(--raio); }
.galeria-grade figure:nth-child(1) { grid-column: span 2; }
.galeria-grade figure:nth-child(4) { grid-column: span 2; }

.galeria-grade img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.galeria-grade figure:hover img { transform: scale(1.03); }

/* ---------- FAQ ---------- */

.faq { background: var(--branco); }

.faq h2 { margin-bottom: 36px; }

.pergunta {
  border-bottom: 1px solid rgba(22, 99, 109, 0.16);
}

.pergunta summary {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding: 22px 44px 22px 0;
  font-family: var(--fonte-display);
  font-size: 1.18rem;
  font-weight: 500;
}
.pergunta summary::-webkit-details-marker { display: none; }

.pergunta summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--fonte-corpo);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--petroleo);
  transition: transform 0.25s ease;
}
.pergunta[open] summary::after { transform: translateY(-50%) rotate(45deg); }

.pergunta p { padding: 0 0 24px; color: var(--tinta-suave); max-width: 60ch; }

/* ---------- CTA final ---------- */

.final {
  position: relative;
  background: linear-gradient(160deg, var(--petroleo-escuro), var(--petroleo-profundo));
  padding: 110px 0;
  overflow: hidden;
  text-align: center;
}

.linha-final { bottom: 0; height: 220px; }
.linha-final path { stroke: var(--aqua); opacity: 0.3; }

.final h2 { color: var(--branco); }
.final-miolo { position: relative; }
.final-miolo > p {
  color: var(--aqua);
  margin-top: 16px;
  font-size: 1.1rem;
}

.final-ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 36px;
}

/* ---------- Rodapé ---------- */

.rodape {
  background: var(--petroleo-profundo);
  color: rgba(255, 255, 255, 0.78);
  padding: 56px 0 28px;
  font-size: 0.95rem;
}

.rodape a { color: var(--aqua); text-decoration: none; }
.rodape a:hover { text-decoration: underline; }

.rodape-grade {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.marca-nome-rodape { color: var(--branco); margin-bottom: 14px; }
.marca-nome-rodape span {
  font-family: var(--fonte-corpo);
  font-style: normal;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-left: 6px;
}

.rodape-titulo {
  font-weight: 700;
  color: var(--branco);
  margin-bottom: 10px;
}

.rodape-grade p + p { margin-top: 10px; }

.rodape-fim {
  text-align: center;
  padding-top: 24px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- WhatsApp flutuante ---------- */

.wa-flutuante {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 50;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
  transition: transform 0.18s ease;
}
.wa-flutuante:hover { transform: scale(1.07); }
.wa-flutuante svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- Revelação no scroll ---------- */

.js .revela {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.js .revela.visivel { opacity: 1; transform: none; }

/* ---------- Movimento reduzido ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .faixa-trilho { animation: none; }
  .js .revela { opacity: 1; transform: none; transition: none; }
  .js .linha-flow path { stroke-dashoffset: 0; transition: none; }
  .botao, .fase img, .galeria-grade img { transition: none; }
}

/* ---------- Responsivo ---------- */

@media (max-width: 960px) {
  .heroi-grade { grid-template-columns: 1fr; padding-bottom: 64px; }
  .heroi-foto { max-width: 440px; }
  .estudio-grade { grid-template-columns: 1fr; gap: 36px; }
  .fases-grade, .passos-grade { grid-template-columns: 1fr 1fr; }
  .galeria-grade { grid-template-columns: 1fr 1fr; grid-auto-rows: 220px; }
  .galeria-grade figure:nth-child(1),
  .galeria-grade figure:nth-child(4) { grid-column: span 2; }
  .rodape-grade { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .topo { gap: 16px; }
  .topo-nav { display: none; }
  .fases, .passos, .faq { padding: 72px 0; }
  .estudio { padding: 80px 0; }
  .galeria { padding: 72px 0 64px; }
  .final { padding: 84px 0; }
  .fases-grade, .passos-grade { grid-template-columns: 1fr; }
  .fase figure { aspect-ratio: 3 / 2; }
  .galeria-grade { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .galeria-grade figure:nth-child(1),
  .galeria-grade figure:nth-child(4) { grid-column: auto; }
  .rodape-grade { grid-template-columns: 1fr; gap: 28px; }
}