/* Big Bang v2 · estilos — etapa 1: HERO (Figma node 7:67) */

/* ---------- base ---------- */
/* Lenis (rolagem suave) */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: clip; }
*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 350;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { display: block; max-width: 100%; }
p { margin: 0; }
h1 { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }

.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--space-4));
  margin-inline: auto;
  padding-inline: var(--space-4);
}

/* ---------- botão: brilho girando na borda + halo azul ---------- */
/* camadas (de baixo p/ cima): anel da borda · faixa de luz girando · preenchimento · conteúdo */
.btn {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  border-radius: var(--radius-pill);
  background: radial-gradient(68.5% 119.738% at 49.1% 100%, var(--color-btn-halo-a) 0%, var(--color-btn-halo-b) 100%);
  box-shadow: 0 0 40px 0 var(--color-btn-glow);
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  transition: box-shadow 0.5s var(--ease-out), transform 0.4s var(--ease-out);
}
.btn:hover { box-shadow: 0 0 80px 10px var(--color-btn-glow); transform: scale(0.98); }
.btn:active { transform: scale(0.96); }
.btn:focus-visible { outline-offset: 4px; }
.btn[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }

.btn__inner {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  min-height: 3.171rem;                /* 50.74px — medida do Figma */
  padding: 0 calc(var(--space-2) + 0.906px) 0 calc(var(--space-5) + 0.906px);
  border-radius: inherit;
  overflow: hidden;
  font-family: var(--font-body);
  font-size: var(--text-btn);
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: -0.005em;
  white-space: nowrap;
}
/* cor da borda */
.btn__ring {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  background: var(--color-btn-ring);
}
/* faixa de luz que gira em volta do centro e acende o anel */
.btn__shine {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 1;
  width: 20px;
  height: 180px;
  margin: -180px 0 0 -10px;
  border-radius: 8px;
  background: #fff;
  filter: blur(10px);
  transform-origin: 50% 100%;
  animation: btn-rodar 5s linear infinite;
  pointer-events: none;
}
@keyframes btn-rodar { to { transform: rotate(360deg); } }
/* cor de fundo — deixa 1,5px do anel aparecendo */
.btn__fill {
  position: absolute;
  inset: 1.5px;
  z-index: 2;
  border-radius: inherit;
  background: radial-gradient(53.6% 100% at 50% 100%, var(--color-btn-a) 0%, var(--color-btn-b) 100%);
}
.btn__label, .btn__chip { position: relative; z-index: 3; }

/* chip com a seta: a atual sai pela diagonal, a próxima entra pelo lado oposto */
.btn__chip {
  display: grid;
  width: 2.265rem;                     /* 36.24px */
  height: 2.265rem;
  border-radius: 50%;
  background: var(--color-chip);
  overflow: hidden;
  flex: none;
}
.btn__arrow {
  grid-area: 1 / 1;
  display: grid;
  place-items: center;
  transition: transform 0.5s var(--ease-out), opacity 0.3s var(--ease-out);
}
.btn__arrow img { width: 14.4966px; height: 14.4966px; rotate: -45deg; }
.btn__arrow--next { transform: translate(-120%, 120%); opacity: 0; }
.btn:hover .btn__arrow--now { transform: translate(120%, -120%); opacity: 0; }
.btn:hover .btn__arrow--next { transform: none; opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  .btn__shine { animation: none; transform: rotate(35deg); }
  .btn, .btn__arrow { transition: none; }
  .btn:hover { transform: none; }
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  height: clamp(38rem, 50.7vw, 52rem);  /* 730px @ 1440 */
  overflow: hidden;
  background: var(--color-bg);
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
  margin: 0;
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  max-width: 33.75rem;                 /* 540px */
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-style: normal;
  font-size: var(--text-hero);
  line-height: 1.04;                   /* 71.61 / 68.86 */
  letter-spacing: -0.035em;            /* −2.41px */
  color: var(--color-ink);
  max-width: 6.63em;                   /* 456.6px — quebra em 3 linhas como no Figma */
}
.hero__title-accent {
  background: linear-gradient(to bottom, var(--color-sky) 43.269%, var(--color-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--color-deep);
}

.hero__quote {
  max-width: 28.54rem;                 /* 456.6px */
  font-size: var(--text-quote);
  line-height: 1.55;                   /* 28.09 / 18.12 */
  font-weight: 350;
  color: var(--color-text);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-5);
  min-height: 3.75rem;                 /* 60px */
}
.hero__price { display: grid; }
.hero__price b {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-price);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  white-space: nowrap;
}
.hero__price span {
  font-size: var(--text-small);
  line-height: 1.2;
  color: var(--color-muted);
  white-space: nowrap;
}

/* tablet: o texto passa por cima do ombro do Sérgio — escurece a esquerda */
@media (max-width: 1100px) and (min-width: 768px) {
  .hero__media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--color-bg) 0%, rgba(11, 11, 11, 0.75) 45%, rgba(11, 11, 11, 0) 75%);
  }
}

/* celular: foto em cima, texto embaixo */
@media (max-width: 767px) {
  .hero {
    flex-direction: column;
    align-items: stretch;
    height: auto;
    padding-bottom: var(--space-6);
  }
  .hero__media {
    position: relative;
    inset: auto;
    z-index: 0;
    height: 112vw;
    max-height: 34rem;
  }
  .hero__media img { object-position: 80% 30%; }
  .hero__media::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 45%;
    background: linear-gradient(to bottom, rgba(11, 11, 11, 0), var(--color-bg));
  }
  .hero .container { position: relative; z-index: 1; margin-top: -4.5rem; }
  .hero__title { max-width: none; }
}
@media (max-width: 379px) {
  .btn__inner { gap: var(--space-3); padding-left: var(--space-4); font-size: 0.875rem; }
}

/* ---------- STACK · transição "tela no meio" (ativada pelo JS no tablet/desktop) ---------- */
.stack { position: relative; background: var(--color-bg); }
.stack.is-stacked .hero {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  height: 100svh;
  z-index: 0;
  transform-origin: 50% 50%;
}
.stack.is-stacked .hero { will-change: transform, opacity; }      /* camada própria: escala/fade na GPU */
.stack.is-stacked .s2 { z-index: 1; }

/* ---------- SEÇÃO 2 · Figma 11:93 ---------- */
.grad {
  background: linear-gradient(90deg, var(--color-grad-a), var(--color-grad-b));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--color-grad-b);
}
.s2 {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  contain: paint;
  background: var(--color-night);
  padding: 0 0 12rem;                          /* Figma: 195px abaixo do último bloco */
}
.s2__inner { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; }
/* abertura da seção: uma tela inteira com o texto no centro — entra no meio da "tela" da transição */
.s2__intro {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5rem 0;
}
.s2__title {
  margin: 0;
  max-width: 27.94rem;                         /* 447px */
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.25rem, 2.5vw + 1rem, 3.25rem);   /* 52px @1440 */
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--color-ink);
}
.s2__text {
  margin-top: 1.4rem;
  max-width: 36.375rem;                        /* 582px */
  font-size: clamp(1.0625rem, 0.35vw + 0.95rem, 1.25rem);   /* 20px */
  font-weight: 350;
  line-height: 1.74;
  letter-spacing: -0.012em;
  color: var(--color-ink);
}
.s2__card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: 100%;
  max-width: 55rem;                            /* 880px */
  min-height: 27rem;
  margin-top: 0;
  padding: 4rem var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;                     /* texto no centro do card */
  border-radius: 1.5rem;
  background: var(--color-card-deep);
  box-shadow: inset 0 1px 0 rgba(137, 189, 241, 0.08), 0 30px 80px -30px rgba(24, 86, 255, 0.3);
}
.s2__card > p { position: relative; z-index: 3; }

/* camadas do card (brilho estilo Reflect Academy, em azul) */
.card-fx { position: absolute; inset: 0; z-index: 0; pointer-events: none; border-radius: inherit; }
/* faixa de luz que varre a borda de cima uma vez na entrada */
.card-fx__sweep {
  position: absolute;
  top: 0;
  left: 0;
  width: 45%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-glow-sky) 40%, #fff 55%, transparent);
  box-shadow: 0 0 22px 2px rgba(95, 180, 254, 0.7);
  opacity: 0;
  transform: translateX(-100%);
  will-change: transform, opacity;
}
/* brilho subindo da base, mais alto nas laterais (formato de U) */
.card-fx__glow {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top,
      rgba(234, 244, 255, 0.75) 0%,
      rgba(142, 200, 255, 0.6) 2.5%,
      rgba(47, 107, 255, 0.5) 10%,
      rgba(24, 86, 255, 0.22) 20%,
      rgba(24, 86, 255, 0.06) 30%,
      transparent 38%);
}
.card-fx__sides {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow:
    inset 10px 0 32px -14px rgba(70, 140, 255, 0.6),
    inset -10px 0 32px -14px rgba(70, 140, 255, 0.6);
  -webkit-mask: linear-gradient(to top, #000 0%, #000 12%, transparent 50%);
  mask: linear-gradient(to top, #000 0%, #000 12%, transparent 50%);
}

.s2__question {
  max-width: 36.19rem;                         /* 579px */
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.375rem, 1vw + 1rem, 1.9643rem);   /* 31.43px */
  line-height: 1.25;
  color: #fff;
}
.s2__answer {
  max-width: 36.19rem;
  padding-top: 0.7857rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.5rem, 2.7vw + 1.2rem, 3.9286rem);  /* 62.86px */
  line-height: 0.95;
  letter-spacing: -0.026em;
}

/* fundo: mesma receita da hero da Helios, nos azuis do Big Bang */
.s2__bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.s2__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(54rem 26rem at 50% calc(100svh + 2rem), rgba(24, 86, 255, 0.32), transparent 70%);
}
.s2__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(137, 189, 241, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(137, 189, 241, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: 50% 0;
  -webkit-mask: radial-gradient(60% 45% at 50% 30%, #000 20%, transparent 75%);
  mask: radial-gradient(60% 45% at 50% 30%, #000 20%, transparent 75%);
}
.s2__stars {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 12% 12%, rgba(220, 235, 255, 0.55), transparent),
    radial-gradient(1px 1px at 78% 9%, rgba(220, 235, 255, 0.45), transparent),
    radial-gradient(1.5px 1.5px at 66% 22%, rgba(220, 235, 255, 0.65), transparent),
    radial-gradient(1px 1px at 30% 28%, rgba(220, 235, 255, 0.4), transparent),
    radial-gradient(1px 1px at 88% 34%, rgba(220, 235, 255, 0.35), transparent),
    radial-gradient(1px 1px at 20% 41%, rgba(220, 235, 255, 0.35), transparent),
    radial-gradient(1px 1px at 52% 6%, rgba(220, 235, 255, 0.5), transparent),
    radial-gradient(1px 1px at 8% 52%, rgba(220, 235, 255, 0.3), transparent),
    radial-gradient(1.5px 1.5px at 93% 18%, rgba(220, 235, 255, 0.5), transparent);
}
.s2__beams { position: absolute; inset: 0; overflow: hidden; }
.s2__beams i {
  position: absolute;
  bottom: -20%;
  width: 1px;
  height: 140px;
  background: linear-gradient(transparent, rgba(95, 180, 254, 0.9), transparent);
  opacity: 0;
  animation: s2-beam linear infinite;
  will-change: transform, opacity;
}
@keyframes s2-beam {
  0%   { transform: translateY(0); opacity: 0; }
  15%  { opacity: 1; }
  100% { transform: translateY(-140vh); opacity: 0; }
}
/* horizonte do planeta: atrás do card, com a borda acesa em azul */
.s2__arc {
  position: absolute;
  left: 50%;
  top: calc(100svh - 9rem);                    /* o brilho do horizonte aparece no pé da tela de abertura */
  width: 130vw;
  max-width: 1900px;
  aspect-ratio: 1;
  translate: -50% 0;
  border-radius: 50%;
  will-change: transform;                      /* o brilho pesado vira uma camada pintada uma vez só */
}
.s2__arc::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color-night);
  box-shadow:
    0 -30px 140px 10px rgba(24, 86, 255, 0.7),
    0 -8px 40px 0 rgba(137, 189, 241, 0.75),
    inset 0 30px 60px -20px rgba(95, 180, 254, 0.55);
}
.s2__arc::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  border-top: 2px solid rgba(205, 228, 255, 0.9);
  filter: blur(1px);
  -webkit-mask: linear-gradient(90deg, transparent 15%, #000 50%, transparent 85%);
  mask: linear-gradient(90deg, transparent 15%, #000 50%, transparent 85%);
}
.s2 [data-reveal-text], .s2 [data-card-text] { text-wrap: wrap; }   /* balance atrapalha o SplitText */
.wd { display: inline-block; }   /* sem will-change fixo: o GSAP promove a camada só enquanto anima */
/* degradê por palavra depois do split (igual à Helios) */
.grad--split { background: none; }
.grad--split .wd {
  background: linear-gradient(90deg, var(--color-grad-a), var(--color-grad-b));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
/* "respirar": um halo extra que pulsa só na opacidade (barato), em vez de filter no arco inteiro */
.s2__arc > i {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: 0 -20px 90px 0 rgba(95, 180, 254, 0.45);
  opacity: 0;
  animation: s2-breathe 7s ease-in-out infinite;
  will-change: opacity;
}
@keyframes s2-breathe { 50% { opacity: 1; } }

/* ---------- ASSIM NASCEU O BIG BANG · Figma 14:14 + 16:34 ---------- */
.born {
  width: 100%;
  max-width: 61.7rem;                          /* astronauta (x=244) até o fim do texto (x=1231) */
  margin-top: clamp(6rem, 11vw, 9.94rem);      /* Figma: 159px abaixo do card */
  display: grid;
  grid-template-columns: minmax(0, 397fr) minmax(0, 504fr);
  gap: clamp(2.5rem, 6vw, 5.4rem);             /* 86px */
  align-items: center;
  text-align: left;
}
.born__figure { position: relative; margin: 0; }
.born__figure::before {                        /* halo azul bem leve atrás do astronauta */
  content: "";
  position: absolute;
  inset: -12% -18%;
  z-index: -1;
  background: radial-gradient(closest-side, rgba(24, 86, 255, 0.2), transparent 72%);
}
.born__float { will-change: transform; }
.born__float img { width: 100%; height: auto; aspect-ratio: 800 / 875; user-select: none; -webkit-user-drag: none; }
.born__text { display: flex; flex-direction: column; align-items: flex-start; gap: 1.4375rem; }   /* 23px */
.born__title {
  margin: 0;
  max-width: 27.94rem;                         /* 447px */
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.25rem, 2.5vw + 1rem, 3.25rem);   /* 52px */
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--color-ink);
}
.born__lede {
  margin: 0;
  font-size: clamp(1.125rem, 0.7vw + 0.95rem, 1.5rem);   /* 24px */
  font-weight: 350;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}
.born__cta { min-height: 3.75rem; display: flex; align-items: center; }

@media (max-width: 767px) {
  .born { grid-template-columns: minmax(0, 1fr); gap: 2rem; margin-top: 5rem; }
  .born__figure { width: min(72%, 18rem); margin-inline: auto; }
}

@media (max-width: 767px) {
  .s2 { padding: 0 0 5rem; }
  .s2__intro { min-height: 0; padding: 6rem 0 4rem; }
  .s2__arc { width: 240vw; top: max(30rem, 52%); }
  .s2__card { padding: 3rem 1.25rem; min-height: 24rem; border-radius: 1.25rem; }
}
@media (prefers-reduced-motion: reduce) {
  .s2__beams { display: none; }
  .s2__arc > i { animation: none; }
}

/* ---------- MÉTODO STEM · fundo branco ---------- */
.stem {
  --color-grad-a: #4f8dff;                     /* degradê escurecido: o claro da seção escura some no branco */
  --color-grad-b: var(--color-blue-ink);
  position: relative;
  z-index: 3;
  isolation: isolate;
  overflow: hidden;
  margin-top: -3rem;                           /* sobe por cima do fim da seção escura */
  padding: 8.5rem 0 9rem;
  border-radius: 2.75rem 2.75rem 0 0;
  background: var(--color-paper-light);
  color: var(--color-text-dark);
}
.stem__bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.stem__bg::before {                            /* luz azul suave no topo */
  content: "";
  position: absolute;
  left: 50%;
  top: -14rem;
  width: min(70rem, 130%);
  aspect-ratio: 2;
  translate: -50% 0;
  background: radial-gradient(closest-side, rgba(79, 141, 255, 0.2), transparent 72%);
}
.stem__bg::after {                             /* grade fina que some nas bordas */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(18, 67, 224, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 67, 224, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: 50% 0;
  -webkit-mask: radial-gradient(60% 42% at 50% 12%, #000 10%, transparent 75%);
  mask: radial-gradient(60% 42% at 50% 12%, #000 10%, transparent 75%);
}
.stem__inner { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; }

.stem__head { display: flex; flex-direction: column; align-items: center; }
.stem__title {
  margin: 0;
  max-width: 37rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.25rem, 2.5vw + 1rem, 3.25rem);   /* 52px, igual aos outros títulos */
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--color-ink-dark);
  text-wrap: wrap;
}
.stem__lede {
  margin: 1.5rem 0 0;
  max-width: 41rem;
  font-size: clamp(1.0625rem, 0.35vw + 0.95rem, 1.25rem);
  font-weight: 350;
  line-height: 1.65;
  letter-spacing: -0.01em;
  color: var(--color-text-dark);
}
.stem__lede strong { font-weight: 600; color: var(--color-ink-dark); }
.stem__lede em { font-style: normal; color: var(--color-ink-dark); }   /* itálico só em corpo de texto — aqui os termos em inglês ganham cor */

/* S · T · E · M */
.stem__letters {
  width: 100%;
  margin: 4.5rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}
.stem__card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 1.75rem 1.75rem 1.9rem;
  min-height: 18rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  text-align: left;
  border-radius: 1.5rem;
  background: #fff;
  border: 1px solid var(--color-line-light);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset, 0 18px 40px -26px rgba(18, 67, 224, 0.35);
  transition: transform 0.45s var(--ease-out), border-color 0.3s var(--ease-out), box-shadow 0.45s var(--ease-out);
}
.stem__card::before {                          /* órbitas — o motivo de astronomia do site */
  content: "";
  position: absolute;
  right: -34%;
  top: -34%;
  width: 92%;
  aspect-ratio: 1;
  z-index: -1;
  border-radius: 50%;
  border: 1px solid var(--color-line-light);
  box-shadow: inset 0 0 0 2.2rem #fff, inset 0 0 0 calc(2.2rem + 1px) var(--color-line-light);
}
.stem__card::after {                           /* planeta na órbita */
  content: "";
  position: absolute;
  right: 11%;
  top: 8%;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-blue);
  box-shadow: 0 0 0 4px rgba(24, 86, 255, 0.12);
}
.stem__card:hover {
  transform: translateY(-6px);
  border-color: #a9c3f5;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset, 0 30px 50px -28px rgba(18, 67, 224, 0.5);
}
.stem__letter {
  position: absolute;
  left: 1.5rem;
  top: 1.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(6.5rem, 8vw, 8.5rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
  background: linear-gradient(180deg, #5fa0ff 0%, var(--color-blue-ink) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--color-blue-ink);
  user-select: none;
}
.stem__en {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--color-ink-dark);
}
.stem__pt { margin: 0.3rem 0 0; font-size: 1rem; color: var(--color-text-dark); }

/* os dois argumentos */
.stem__facts {
  width: 100%;
  max-width: 62rem;
  margin: 5rem 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  text-align: left;
}
.stem__fact {
  display: flex;                               /* os dois cartões têm a mesma altura (grade); o <p> interno fica no meio */
  align-items: center;
  padding: 2.25rem 2.25rem 2.4rem;
  border-radius: 1.5rem;
  background: var(--color-tint-light);
  border: 1px solid var(--color-line-light);
  font-size: clamp(1.1875rem, 0.7vw + 1rem, 1.5rem);
  font-weight: 350;
  line-height: 1.45;
  letter-spacing: -0.015em;
  color: var(--color-ink-dark);
}
.stem__fact p { margin: 0; }
.stem__fact strong { font-weight: 600; color: var(--color-blue-ink); }
.stem__cta { margin-top: 3.5rem; }

/* botão em fundo claro: o halo azul fica mais curto e o anel escurece */
.btn--light { box-shadow: 0 12px 34px -8px rgba(0, 85, 255, 0.55); }
.btn--light:hover { box-shadow: 0 16px 50px -6px rgba(0, 85, 255, 0.65); }
.btn--light .btn__ring { background: rgba(18, 67, 224, 0.28); }

@media (max-width: 1023px) {
  .stem__letters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stem__card { min-height: 15rem; }
}
@media (max-width: 767px) {
  .stem { padding: 6rem 0 6rem; border-radius: 1.75rem 1.75rem 0 0; margin-top: -1.75rem; }
  .stem__letters { margin-top: 3rem; gap: 0.75rem; }
  .stem__card { min-height: 12.5rem; padding: 1.25rem; border-radius: 1.25rem; }
  .stem__letter { left: 1rem; top: 1rem; font-size: 5.5rem; }
  .stem__en { font-size: 1.1875rem; }
  .stem__facts { grid-template-columns: minmax(0, 1fr); margin-top: 3rem; }
  .stem__fact { padding: 1.75rem; }
}
@media (prefers-reduced-motion: reduce) { .stem__card { transition: none; } .stem__card:hover { transform: none; } }

/* ---------- QUEM É SÉRGIO SACANI · fundo branco ---------- */
.who {
  --color-grad-a: #4f8dff;
  --color-grad-b: var(--color-blue-ink);
  position: relative;
  z-index: 3;
  isolation: isolate;
  padding: 2rem 0 11rem;
  background: var(--color-paper-light);
  color: var(--color-text-dark);
}
.who::before {                                 /* fio de luz que separa da seção STEM, sem criar uma nova folha */
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: min(62rem, 86%);
  height: 1px;
  translate: -50% 0;
  background: linear-gradient(90deg, transparent, var(--color-line-light) 25%, var(--color-line-light) 75%, transparent);
}
.who__inner {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(3rem, 6vw, 6.5rem);
  align-items: center;
  padding-top: 7rem;
}

/* foto */
.who__figure { position: relative; margin: 0; }
.who__figure::before {                         /* órbita atrás da foto */
  content: "";
  position: absolute;
  z-index: -1;
  right: -18%;
  top: -9%;
  width: 78%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid var(--color-line-light);
  box-shadow: inset 0 0 0 2.4rem var(--color-paper-light), inset 0 0 0 calc(2.4rem + 1px) var(--color-line-light);
}
.who__figure::after {                          /* planeta na órbita */
  content: "";
  position: absolute;
  z-index: 2;
  right: 8%;
  top: -4.2%;
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background: var(--color-blue);
  box-shadow: 0 0 0 5px rgba(24, 86, 255, 0.13);
}
.who__frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border-radius: 1.75rem;
  background: #1a1a1c;
  box-shadow: 0 40px 70px -34px rgba(6, 18, 44, 0.55), 0 0 0 1px rgba(6, 18, 44, 0.08);
}
.who__frame img {
  position: absolute;
  left: 0;
  top: -6%;
  width: 100%;
  height: 112%;                                /* sobra para o parallax */
  object-fit: cover;
  object-position: 50% 30%;
  will-change: transform;
}
/* cartão sobreposto: o marco de 1986 que está na própria apresentação */
.who__halley {
  position: absolute;
  z-index: 3;
  left: -2.25rem;
  bottom: 2.5rem;
  width: min(17rem, 72%);
  padding: 1.1rem 1.25rem 1.2rem;
  display: grid;
  gap: 0.2rem;
  border-radius: 1.1rem;
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--color-line-light);
  box-shadow: 0 24px 44px -22px rgba(18, 67, 224, 0.5);
}
.who__halley b {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 2.25rem;
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(90deg, var(--color-grad-a), var(--color-grad-b));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--color-blue-ink);
}
.who__halley span { font-size: 0.9375rem; line-height: 1.4; color: var(--color-text-dark); }

/* texto */
.who__text { display: flex; flex-direction: column; align-items: flex-start; text-align: left; }
.who__title {
  margin: 0;
  max-width: 30rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.25rem, 2.5vw + 1rem, 3.25rem);   /* 52px, igual aos outros títulos */
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--color-ink-dark);
  text-wrap: wrap;
}
.who__lede {
  margin: 1.75rem 0 0;
  font-size: clamp(1.125rem, 0.5vw + 1rem, 1.3125rem);
  font-weight: 350;
  line-height: 1.6;
  letter-spacing: -0.012em;
  color: var(--color-text-dark);
}
.who__lede strong { font-weight: 600; color: var(--color-ink-dark); }
.who__question {
  margin: 2.75rem 0 0;
  padding-top: 2.5rem;
  max-width: 30rem;
  border-top: 1px solid var(--color-line-light);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 1.2vw + 1.1rem, 2.125rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-blue-ink);
  text-wrap: wrap;
}
.who__body { margin-top: 1.5rem; }
.who__body p {
  margin: 0;
  font-size: clamp(1.0625rem, 0.3vw + 0.98rem, 1.1875rem);
  font-weight: 350;
  line-height: 1.7;
  color: var(--color-text-dark);
}
.who__body p + p { margin-top: 1.1rem; }
.who__body strong { font-weight: 600; color: var(--color-ink-dark); }

@media (max-width: 1023px) {
  .who__inner { grid-template-columns: minmax(0, 1fr); padding-top: 5.5rem; }
  .who__figure { width: min(100%, 30rem); margin-inline: auto; }
  .who__halley { left: 1rem; }
}
@media (max-width: 767px) {
  .who { padding-bottom: 7rem; }
  .who__inner { padding-top: 4rem; gap: 2.75rem; }
  .who__frame { border-radius: 1.4rem; }
  .who__figure::before { right: -10%; }
  .who__halley { left: 0.75rem; bottom: 0.75rem; width: min(15rem, 78%); padding: 0.9rem 1rem 1rem; }
  .who__halley b { font-size: 1.875rem; }
  .who__halley span { font-size: 0.875rem; }
  .who__question { margin-top: 2.25rem; padding-top: 2rem; }
}

/* ---------- TRANSIÇÃO branco → escuro: o horizonte de um planeta sobe e cobre a tela ---------- */
.who__eclipse { display: none; }
.who.has-eclipse { will-change: transform; }   /* já é camada própria antes de fixar: sem engasgo no instante em que o pin começa */
.who.has-eclipse .who__eclipse {
  --r: 0px;                                    /* raio do horizonte — animado pelo GSAP */
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 100vh;
  height: 100svh;                              /* cobre exatamente o que se vê enquanto a seção está fixada */
  z-index: 20;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(circle at 50% 100%,
    var(--color-night) 0,
    var(--color-night) max(calc(var(--r) - 2px), 0px),
    #7fb4ff calc(var(--r) - 1px),
    var(--color-eclipse-rim) calc(var(--r) + 0.5px),
    rgba(40, 110, 255, 0.5) calc(var(--r) + 3px),
    rgba(24, 86, 255, 0.26) calc(var(--r) + 28px),
    transparent calc(var(--r) + 110px));
}

/* ---------- PARA QUEM É · título que acompanha a rolagem + timeline ligando os números ---------- */
.fit {
  position: relative;
  z-index: 4;
  isolation: isolate;
  overflow: clip;                              /* clip, não hidden: hidden vira "scroll container" e mata o sticky do título */
  padding: 9rem 0 11rem;
  background: var(--color-night);              /* topo liso, igual ao overlay da transição: sem emenda */
  color: var(--color-ink);
  /* sem a transição de rolagem (celular, menos movimento): vira uma folha escura que sobe sobre o branco */
  margin-top: -2.75rem;
  border-radius: 2.75rem 2.75rem 0 0;
}
.fit.has-eclipse { margin-top: 0; border-radius: 0; }

/* fundo: o mesmo da seção 2 (grade, estrelas, feixes subindo, brilho azul) — sem o horizonte aceso.
 * as bordas de cima e de baixo dissolvem no azul-noite: a seção entra e sai sem emenda */
.fit__bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.fit__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, var(--color-night) 0, rgba(2, 11, 20, 0) 32rem),
    linear-gradient(to top, var(--color-night) 0, rgba(2, 11, 20, 0) 22rem);
}
.fit__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(54rem 26rem at 50% 14rem, rgba(24, 86, 255, 0.24), transparent 70%),
    radial-gradient(60rem 28rem at 50% 100%, rgba(24, 86, 255, 0.2), transparent 72%);
}
.fit__grid-bg {
  -webkit-mask: radial-gradient(70% 40% at 50% 18%, #000 15%, transparent 75%);
  mask: radial-gradient(70% 40% at 50% 18%, #000 15%, transparent 75%);
}

.fit__inner { position: relative; display: flex; flex-direction: column; align-items: center; }
.fit__cols {                                    /* só o título e a lista: o sticky para onde a lista acaba */
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  column-gap: clamp(3rem, 7vw, 7.5rem);
  align-items: start;
}
.fit__head { position: sticky; top: calc(50svh - 6rem); }
.fit__title {
  margin: 0;
  max-width: 26rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.25rem, 2.5vw + 1rem, 3.25rem);   /* 52px, igual aos outros títulos */
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--color-ink);
  text-wrap: wrap;
}
.fit__lede {
  margin: 1.4rem 0 0;
  font-size: clamp(1.0625rem, 0.35vw + 0.95rem, 1.25rem);
  font-weight: 350;
  letter-spacing: -0.01em;
  color: var(--color-muted-dark);
}

/* timeline: um fio vertical liga os nós numerados; ele se enche de luz conforme você rola */
.fit__list { --node: 2.75rem; position: relative; margin: 0; padding: 0; list-style: none; }
.fit__rail {
  --p: 0;
  position: absolute;
  left: calc(var(--node) / 2);
  top: var(--rail-top, 0);
  bottom: var(--rail-bot, 0);
  width: 2px;
  margin-left: -1px;
  border-radius: 2px;
  background: rgba(137, 189, 241, 0.13);
  pointer-events: none;
}
.fit__rail i {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(to bottom, var(--color-glow-sky), var(--color-glow-blue));
  box-shadow: 0 0 12px rgba(95, 180, 254, 0.55);
  transform-origin: 50% 0;
  transform: scaleY(var(--p));
}
.fit__rail b {                                  /* a ponta do fio: um cometinha que desce na frente da luz */
  position: absolute;
  left: 50%;
  top: calc(var(--p) * 100%);
  width: 0.625rem;
  height: 0.625rem;
  margin: -0.3125rem 0 0 -0.3125rem;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(95, 180, 254, 0.22), 0 0 22px 6px rgba(95, 180, 254, 0.75);
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
}
.fit__rail.is-live b { opacity: 1; }

.fit__row {
  position: relative;
  display: grid;
  grid-template-columns: var(--node) minmax(0, 0.95fr) minmax(0, 1fr);
  column-gap: 1.75rem;
  align-items: center;
  padding: 1.55rem 0;
}
.fit__n {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: var(--node);
  height: var(--node);
  border-radius: 50%;
  background: var(--color-night);
  border: 1px solid rgba(137, 189, 241, 0.2);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: rgba(157, 180, 211, 0.7);
  transition: color 0.5s var(--ease-out), border-color 0.5s var(--ease-out), background 0.5s var(--ease-out), box-shadow 0.6s var(--ease-out);
}
.fit__n::after {                                /* anel que se abre uma vez quando o fio chega no nó */
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 50%;
  border: 1px solid var(--color-glow-sky);
  opacity: 0;
}
.fit__row.is-on .fit__n {
  color: #fff;
  border-color: var(--color-glow-sky);
  background: radial-gradient(circle, rgba(47, 107, 255, 0.6), rgba(24, 86, 255, 0.18) 75%), var(--color-night);
  box-shadow: 0 0 0 5px rgba(24, 86, 255, 0.12), 0 0 28px rgba(47, 107, 255, 0.6);
}
.fit__row.is-on .fit__n::after { animation: fit-ping 1.1s var(--ease-out) 1; }
@keyframes fit-ping { from { transform: scale(1); opacity: 0.8; } to { transform: scale(2.3); opacity: 0; } }

.fit__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 0.9vw + 1.1rem, 1.875rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: rgba(241, 241, 248, 0.4);
  transition: color 0.6s var(--ease-out), transform 0.5s var(--ease-out);
}
.fit__desc {
  margin: 0;
  font-size: 1rem;
  font-weight: 350;
  line-height: 1.45;
  color: rgba(157, 180, 211, 0.45);
  transition: color 0.6s var(--ease-out);
}
.fit__row.is-on .fit__name { color: var(--color-ink); }
.fit__row.is-on .fit__desc { color: var(--color-muted-dark); }
@media (hover: hover) and (pointer: fine) {
  .fit__row:hover .fit__name { transform: translateX(0.5rem); color: #fff; }
}

/* fechamento: a frase que abraça todo mundo, em tamanho de título */
.fit__all {
  grid-column: 1 / -1;
  justify-self: center;
  max-width: 50rem;
  margin: clamp(6rem, 10vw, 9rem) 0 0;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.875rem, 2.6vw + 0.9rem, 3.25rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  text-wrap: wrap;
}

@media (max-width: 899px) {
  .fit__cols { grid-template-columns: minmax(0, 1fr); }
  .fit__head { position: static; margin-bottom: 3rem; }
  .fit__row { grid-template-columns: var(--node) minmax(0, 1fr); row-gap: 0.3rem; padding: 1.2rem 0; align-items: start; }
  .fit__n { grid-row: span 2; }
  .fit__desc { grid-column: 2; }
}
@media (max-width: 767px) {
  .fit { padding: 5.5rem 0 7rem; margin-top: -1.75rem; border-radius: 1.75rem 1.75rem 0 0; }
  .fit__list { --node: 2.25rem; }
  .fit__row { column-gap: 1.1rem; }
  .fit__name { font-size: 1.375rem; }
  .fit__all { margin-top: 5rem; }
}
@media (prefers-reduced-motion: reduce) {
  .fit__n, .fit__name, .fit__desc { transition: none; }
  .fit__row .fit__name { color: var(--color-ink); }
  .fit__row .fit__desc { color: var(--color-muted-dark); }
}

/* ---------- CONTEÚDO PROGRAMÁTICO · escuro, texto sobe na direita e a imagem cresce ---------- */
.prog {
  position: relative;
  z-index: 4;
  isolation: isolate;
  background: var(--color-night);              /* mesma cor do fim da seção anterior: sem emenda */
  color: var(--color-ink);
  padding: 5rem 0 7rem;
}
.prog__pin { position: relative; }
.prog__bgs { display: none; }
.prog__frame { display: none; }                /* no celular a imagem entra dentro de cada módulo (clonada pelo JS) */
.prog__foot { display: none; }

.prog__head { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2.5rem; }
.prog__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.25rem, 2.5vw + 1rem, 3.25rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--color-ink);
  text-wrap: wrap;
}
.prog__lede { margin: 0; font-size: clamp(1.0625rem, 0.35vw + 0.95rem, 1.25rem); font-weight: 350; letter-spacing: -0.01em; color: var(--color-muted-dark); }

/* bloco de texto de cada módulo */
.prog__track { display: grid; gap: 4rem; }
.pt { display: flex; flex-direction: column; justify-content: center; }
.pt__count { margin: 0 0 1.5rem; font-family: var(--font-display); font-weight: 600; font-size: 1.375rem; letter-spacing: -0.01em; color: var(--color-muted-dark); font-variant-numeric: tabular-nums; }
.pt__count b { color: var(--color-ink); font-weight: 600; }
.pt__title {
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 2.2vw + 1.2rem, 3.25rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--color-ink);
  text-wrap: wrap;
}
.pt__list { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.65rem; }
.pt__list li {
  position: relative;
  padding-left: 1.45rem;
  font-size: clamp(1.0625rem, 0.25vw + 1rem, 1.1875rem);
  font-weight: 350;
  line-height: 1.4;
  color: #c3d4ec;
}
.pt__list li::before {                         /* losango azul */
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 0.55em;
  width: 0.4rem;
  height: 0.4rem;
  rotate: 45deg;
  background: var(--color-sky);
  box-shadow: 0 0 10px rgba(95, 180, 254, 0.7);
}

/* moldura de imagem (a mesma estrutura serve ao quadro fixo e à cópia no celular) */
.pf { position: absolute; inset: 0; margin: 0; overflow: hidden; }
.pf__crop { position: absolute; inset: 0; transform: scale(var(--zoom, 1)); transform-origin: var(--origin, 50% 50%); }
.pf img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: var(--pos, 50% 50%); will-change: transform; }
.pt__fig { position: relative; margin: 0 0 1.75rem; aspect-ratio: 4 / 3; border-radius: 1.1rem; overflow: hidden; border: 1px solid var(--color-line-dark); background: #02060d; }
.pt__fig .pf { position: absolute; }
.pt + .pt { padding-top: 0; }

/* ----- modo fixado (desktop): ligado pelo JS ----- */
.prog.is-pinned { --frame: min(38vw, 34rem, 62svh); --step: 30rem; padding: 0; }
.prog.is-pinned .prog__pin {
  height: 100vh;
  height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(1rem, 3.5vh, 2.25rem);
  padding: 5.5rem 0 1.75rem;
  overflow: hidden;
}
.prog.is-pinned .prog__bgs { display: block; position: absolute; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.prog.is-pinned .prog__bgs::after {            /* vinheta: escurece o miolo e as bordas, o fundo vira só uma luz difusa */
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 52%, rgba(2, 11, 20, 0.55), transparent 80%),
    linear-gradient(to bottom, var(--color-night) 0, transparent 22%, transparent 78%, var(--color-night) 100%);
}
.prog__bg {
  position: absolute;
  inset: -6%;
  width: 112%;
  height: 112%;
  max-width: none;
  object-fit: cover;
  object-position: var(--pos, 50% 50%);
  /* o desfoque já vem pronto no arquivo (mod-XX-bg.webp, 200px): filter: blur() em tela cheia travava a 1ª passada */
  opacity: 0;                                  /* o JS sobe o 1º e faz o crossfade entre os outros */
  will-change: opacity;
}
.prog.is-pinned .prog__head { flex-direction: row; align-items: flex-end; justify-content: space-between; gap: 2rem; margin: 0 auto; }
.prog.is-pinned .prog__title { font-size: clamp(1.75rem, 1.5vw + 1.1rem, 2.5rem); }
.prog.is-pinned .prog__lede { font-size: 1rem; text-align: right; white-space: nowrap; }
.prog.is-pinned .prog__stage {
  display: grid;
  grid-template-columns: var(--frame) minmax(0, 32rem);
  gap: clamp(2.5rem, 6vw, 7rem);
  justify-content: center;
  align-items: center;
}
.prog.is-pinned .prog__frame {
  display: block;
  position: relative;
  width: var(--frame);
  aspect-ratio: 1;
  border-radius: 1.25rem;
  overflow: hidden;
  background: #02060d;
  box-shadow: 0 40px 80px -36px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(137, 189, 241, 0.16);
}
.prog.is-pinned .pf { will-change: clip-path; }
.prog.is-pinned .prog__texts {
  position: relative;
  height: var(--frame);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 16%, #000 84%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0, #000 16%, #000 84%, transparent 100%);
}
.prog.is-pinned .prog__track { display: block; will-change: transform; }
.prog.is-pinned .pt { height: var(--step); }
.prog.is-pinned .pt__fig { display: none; }
.prog.is-pinned .prog__foot { display: flex; align-items: center; gap: 1.5rem; }
.prog__bar { flex: 1; height: 2px; border-radius: 999px; background: var(--color-line-dark); overflow: hidden; }
.prog__bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--color-blue), var(--color-sky)); transform-origin: left center; transform: scaleX(0); will-change: transform; }
.prog__hint { font-size: 0.8125rem; color: var(--color-muted-dark); white-space: nowrap; }

@media (max-width: 899px) {
  .prog { padding: 3.5rem 0 5rem; }
  .prog__track { gap: 3.5rem; }
  .pt__count { margin-bottom: 1rem; }
  .pt__title { margin-bottom: 1.1rem; }
}

/* ---------- LOADER · foguete + chama como máscara ---------- */
.loader { display: none; }
.is-loading body { overflow: hidden; }
.is-loading .loader {
  --rocket-h: clamp(6rem, 17vh, 9.5rem);   /* só o corpo (sem a ponta de fogo do desenho) */
  position: fixed;
  inset: 0;
  z-index: 100;
  display: block;
}
.loader__svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; overflow: visible; }
.loader__stars circle { fill: var(--color-ink); }
/* contorno do fogo (o path já vem em px de tela, então a espessura e o brilho não escalam) */
.flame--glow, .flame--edge { fill: none; stroke-linejoin: round; }
.flame--glow { stroke: var(--color-btn-a); stroke-width: 18; opacity: 1; }
.flame--edge { stroke: var(--color-ink); stroke-width: 2; opacity: 0.95; }

.loader__rocket {
  position: absolute;
  left: 50%;
  bottom: 0;
  height: var(--rocket-h);
  aspect-ratio: 194.2 / 345.3;
  will-change: transform;                      /* posição (x −50%, y) controlada só pelo GSAP */
}
.loader__ship { display: block; width: 100%; height: 100%; color: var(--color-ink); }

/* hero: degradê do destaque por palavra, depois que o título é dividido para o reveal */
.hero__title-accent.grad--split { background: none; -webkit-text-fill-color: initial; }
.hero__title-accent.grad--split .wd {
  background: linear-gradient(to bottom, var(--color-sky) 43.269%, var(--color-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* logo acima do título da hero */
.hero__logo { display: block; width: auto; height: clamp(5.5rem, 8vw, 7.25rem); margin-bottom: var(--space-2); }