/* ==========================================================================
   Thermo Vale · Landing Page
   Tokens da referência (F9F9F9 / 6E6E6E / 0A0A0A · Inter Tight)
   cruzados com a marca (azul da gota + vermelho da chama).
   ========================================================================== */

:root {
  /* Superfícies */
  --bg:            #f9f9f9;
  --surface:       #ffffff;
  --surface-sunk:  #f1f1f2;

  /* Tinta */
  --ink:           #0a0a0a;
  --ink-2:         #3d3d40;
  --muted:         #6e6e6e;
  --muted-2:       #9a9a9e;

  /* Marca */
  --blue:          #1e5c9e;
  --blue-deep:     #0e2f52;
  --blue-ink:      #081d34;
  --flame:         #d32b23;
  --flame-warm:    #ef8a1f;
  --whats:         #25d366;

  /* Traços */
  --hair:          rgba(10, 10, 10, .08);
  --hair-soft:     rgba(10, 10, 10, .055);
  --hair-light:    rgba(255, 255, 255, .16);

  /* Elevação */
  --sh-1: 0 1px 2px rgba(10, 10, 10, .04);
  --sh-2: 0 1px 2px rgba(10, 10, 10, .04), 0 12px 32px -14px rgba(10, 10, 10, .12);
  --sh-3: 0 2px 6px rgba(10, 10, 10, .05), 0 28px 64px -24px rgba(10, 10, 10, .22);

  /* Raios */
  --r-sm: 12px;
  --r:    18px;
  --r-lg: 26px;
  --r-xl: 34px;

  /* Ritmo */
  --gut:  clamp(20px, 4.5vw, 48px);
  --pad:  clamp(64px, 7.5vw, 112px);
  --max:  1200px;

  /* Motion: response 0.3–0.4s, criticamente amortecido por padrão */
  --e-out:    cubic-bezier(.2, .8, .25, 1);
  --e-inout:  cubic-bezier(.65, 0, .35, 1);
  --e-spring: cubic-bezier(.22, 1.2, .36, 1);
}

/* --- Reset ---------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 94px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'SF Pro Text',
               'Segoe UI', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
h1, h2, h3, p, li, a, span { overflow-wrap: break-word; }
a   { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

::selection { background: rgba(30, 92, 158, .16); }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 6px;
}

/* --- Tipografia ----------------------------------------------------------- */
/* Tracking é específico por tamanho: negativo no display, ~0 no corpo. */

h1, h2, h3, h4 { margin: 0; font-weight: 600; }

.display {
  font-size: clamp(2.05rem, 3.9vw, 3.35rem);
  line-height: 1.06;
  letter-spacing: -.034em;
  font-weight: 700;
}

.h2 {
  font-size: clamp(1.85rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -.03em;
  font-weight: 700;
}

.h3 {
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  line-height: 1.25;
  letter-spacing: -.017em;
  font-weight: 600;
}

.lede {
  font-size: clamp(1.02rem, 1.55vw, 1.2rem);
  line-height: 1.55;
  letter-spacing: -.01em;
  color: var(--muted);
}

.soft  { color: var(--muted); }
.soft-light { color: rgba(255, 255, 255, .6); }
.tight { letter-spacing: -.02em; }

/* --- Layout --------------------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.section { padding-block: var(--pad); }
.section--tight { padding-block: clamp(50px, 6vw, 84px); }

.head { max-width: 760px; margin-inline: auto; text-align: center; }
.head .lede { margin: 20px auto 0; max-width: 620px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 22px;
  padding: 6px 14px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: var(--sh-1);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .085em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--flame);
}

/* --- Botões --------------------------------------------------------------- */
/* Feedback no pointer-down, nunca só no fim. */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 15px 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -.011em;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 120ms var(--e-out),
              background-color 180ms var(--e-out),
              box-shadow 200ms var(--e-out),
              border-color 180ms var(--e-out);
}
.btn:active { transform: scale(.968); }

.btn--primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 1px 2px rgba(10, 10, 10, .18), 0 10px 26px -12px rgba(10, 10, 10, .5);
}
.btn--primary:hover { background: #232326; box-shadow: 0 2px 6px rgba(10,10,10,.2), 0 16px 34px -14px rgba(10,10,10,.55); }

.btn--ghost {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--hair);
  box-shadow: var(--sh-1);
}
.btn--ghost:hover { background: #fff; border-color: rgba(10,10,10,.14); }

.btn--on-dark {
  background: rgba(255, 255, 255, .1);
  color: #fff;
  border-color: rgba(255, 255, 255, .22);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.btn--on-dark:hover { background: rgba(255, 255, 255, .17); }

.btn--sm { padding: 11px 19px; font-size: 14px; }
.btn--wide { padding-inline: 34px; }

.btn .wa { width: 19px; height: 19px; flex: none; color: var(--whats); fill: currentColor; }
.btn--ghost .wa { color: #128c4a; }

/* --- Navegação ------------------------------------------------------------ */
/* Camada translúcida: o conteúdo passa por baixo. */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background-color 260ms var(--e-out), box-shadow 260ms var(--e-out);
}
.nav__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 76px;
}
.nav__logo { display: flex; align-items: center; }
.nav__logo img { height: 40px; width: auto; }

.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links a {
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: -.008em;
  color: var(--ink-2);
  transition: color 160ms var(--e-out);
}
.nav__links a:hover { color: var(--ink); }

.nav.is-stuck {
  background: rgba(249, 249, 249, .76);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  box-shadow: 0 1px 0 var(--hair-soft);
}

/* --- Hero ----------------------------------------------------------------- */

.hero { padding: 88px 12px 0; }

.hero__card {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-xl);
  background:
    radial-gradient(85% 75% at 74% 18%, rgba(239, 138, 31, .34) 0%, rgba(211, 43, 35, .12) 34%, rgba(239, 138, 31, 0) 64%),
    radial-gradient(95% 85% at 6% 96%,   rgba(44, 116, 189, .62) 0%, rgba(30, 92, 158, 0) 62%),
    linear-gradient(168deg, #17406d 0%, var(--blue-deep) 34%, var(--blue-ink) 72%, #04101d 100%);
  color: #fff;
  box-shadow: var(--sh-3);
}

/* textura sutil para o degradê não “bandear” */
.hero__card::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.055'/%3E%3C/svg%3E");
}

.hero__in {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  align-items: center;
  gap: clamp(24px, 4vw, 64px);
  max-width: 1180px;
  margin-inline: auto;
  padding: clamp(52px, 6vw, 84px) clamp(26px, 4.5vw, 64px) clamp(46px, 5.5vw, 76px);
}

.hero__kicker {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  gap: 4px 10px;
  margin-bottom: 26px;
  padding: 7px 15px;
  border: 1px solid var(--hair-light);
  border-radius: 999px;
  background: rgba(255, 255, 255, .09);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .085em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .88);
}
.hero__kicker span { color: rgba(255, 255, 255, .42); }

/* O H1 do hero tem escala própria: precisa caber "Aquecedor a gás ou solar"
   numa linha só, sem deixar palavra órfã. */
.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 3.5vw, 3.05rem);
}
.hero__sub {
  max-width: 500px;
  margin: 24px 0 0;
  font-size: clamp(1rem, 1.45vw, 1.14rem);
  line-height: 1.55;
  letter-spacing: -.008em;
  color: rgba(255, 255, 255, .72);
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.hero__proof {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px solid var(--hair-light);
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--hair-light);
  border-radius: 999px;
  background: rgba(255, 255, 255, .07);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -.005em;
  color: rgba(255, 255, 255, .86);
}
.chip svg { width: 14px; height: 14px; flex: none; color: rgba(255,255,255,.6); }

/* Produto flutuando */
.hero__art { position: relative; display: flex; align-items: center; justify-content: center; }
.hero__art img {
  width: min(100%, 430px);
  height: auto;
  filter: drop-shadow(0 46px 60px rgba(0, 0, 0, .55));
  animation: float 7s ease-in-out infinite;
}
.hero__art::before {
  content: '';
  position: absolute;
  inset: 12% -6% -4%;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(255, 255, 255, .17), transparent 72%);
  filter: blur(14px);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-13px); }
}

/* --- Frase-manifesto ------------------------------------------------------ */

.statement {
  max-width: 940px;
  margin-inline: auto;
  text-align: center;
  font-size: clamp(1.65rem, 3.7vw, 2.85rem);
  line-height: 1.16;
  letter-spacing: -.032em;
  font-weight: 600;
}
.statement .soft { color: var(--muted-2); }

/* --- Grid genérico -------------------------------------------------------- */

.grid { display: grid; gap: 18px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  padding: 30px 28px 32px;
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--sh-2);
  transition: transform 300ms var(--e-out), box-shadow 300ms var(--e-out);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--sh-3); }

.card__icon {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  margin-bottom: 22px;
  border-radius: 13px;
  background: linear-gradient(160deg, #2c74bd, var(--blue-deep));
  color: #fff;
  box-shadow: 0 6px 16px -6px rgba(30, 92, 158, .6);
}
.card__icon svg { width: 22px; height: 22px; }
.card__icon--flame { background: linear-gradient(160deg, var(--flame-warm), var(--flame)); box-shadow: 0 6px 16px -6px rgba(211, 43, 35, .55); }

.card p { margin: 11px 0 0; font-size: 15.2px; line-height: 1.55; color: var(--muted); }

/* --- Comparativo de garantia --------------------------------------------- */

.versus {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  max-width: 980px;
  margin: 56px auto 0;
}

.vs {
  position: relative;
  overflow: hidden;
  padding: 32px 30px 34px;
  border-radius: var(--r-lg);
  border: 1px solid var(--hair-soft);
  background: var(--surface);
  box-shadow: var(--sh-2);
}
.vs__label {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--muted);
}
.vs__num {
  margin: 14px 0 4px;
  font-size: clamp(2.6rem, 6vw, 4rem);
  line-height: 1;
  letter-spacing: -.045em;
  font-weight: 700;
}
.vs__unit { font-size: 15px; font-weight: 500; letter-spacing: -.01em; color: var(--muted); }
.vs__bar {
  height: 8px;
  margin-top: 26px;
  border-radius: 999px;
  background: var(--surface-sunk);
  overflow: hidden;
}
.vs__fill {
  display: block;
  height: 100%;
  width: 100%;
  border-radius: 999px;
  background: var(--muted-2);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 900ms var(--e-out);
}
/* a barra cresce quando o card entra em cena; sem JS, já nasce cheia */
.vs__fill { transform: scaleX(var(--w, 1)); }
.js-anim .vs__fill { transform: scaleX(0); transition-delay: 220ms; }
.js-anim .vs.is-in .vs__fill { transform: scaleX(var(--w, 1)); }
.vs__note { margin: 18px 0 0; font-size: 14.5px; line-height: 1.5; color: var(--muted); }

.vs--win {
  color: #fff;
  border-color: transparent;
  background:
    radial-gradient(100% 120% at 88% 0%, rgba(239, 138, 31, .3) 0%, rgba(239, 138, 31, 0) 55%),
    linear-gradient(158deg, var(--blue-deep), var(--blue-ink));
  box-shadow: var(--sh-3);
}
.vs--win .vs__label { color: rgba(255, 255, 255, .62); }
.vs--win .vs__unit  { color: rgba(255, 255, 255, .62); }
.vs--win .vs__note  { color: rgba(255, 255, 255, .74); }
.vs--win .vs__bar   { background: rgba(255, 255, 255, .14); }
.vs--win .vs__fill  { background: linear-gradient(90deg, var(--flame-warm), #ffd08a); }

/* --- Produtos ------------------------------------------------------------- */

.prod {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 420px;
  padding: 32px 30px;
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--sh-2);
  transition: transform 300ms var(--e-out), box-shadow 300ms var(--e-out);
}
.prod:hover { transform: translateY(-3px); box-shadow: var(--sh-3); }
.prod__tag {
  align-self: flex-start;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--surface-sunk);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .075em;
  text-transform: uppercase;
  color: var(--muted);
}
.prod__tag--hot { background: rgba(211, 43, 35, .09); color: var(--flame); }
.prod h3 { margin-top: 18px; }
.prod p  { margin: 10px 0 0; font-size: 15.2px; line-height: 1.55; color: var(--muted); }
.prod__art {
  margin-top: auto;
  padding-top: 30px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  min-height: 210px;
}
.prod__art img {
  width: auto;
  max-height: 190px;
  object-fit: contain;
  filter: drop-shadow(0 22px 26px rgba(10, 10, 10, .16));
  transition: transform 420ms var(--e-out);
}
.prod:hover .prod__art img { transform: translateY(-6px) scale(1.03); }

/* --- Linha de decisão ------------------------------------------------------ */
/* Aparece no fim das seções que persuadem. Sem caixa: a página já tem cards
   demais, e aqui o que precisa saltar é o botão, não mais uma moldura. */

.ctarow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 22px;
  margin-top: 46px;
  padding-top: 34px;
  border-top: 1px solid var(--hair-soft);
  text-align: center;
}
.ctarow p {
  max-width: 400px;
  margin: 0;
  font-size: 15.6px;
  line-height: 1.5;
  letter-spacing: -.008em;
  color: var(--muted);
}
.ctarow p strong { color: var(--ink-2); font-weight: 600; }

/* dentro da seção de marcas a linha já é a última coisa: sem filete duplo */
#marcas .ctarow { border-top: 0; padding-top: 0; }

/* --- Marcas ---------------------------------------------------------------- */
/* Lista de especificação, não mais uma fileira de cards: filete no topo de cada
   coluna em vez de caixa, para quebrar a monotonia de card na página. */

.brands {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 54px;
  border-top: 1px solid var(--hair);
}
.brand {
  padding: 26px 26px 6px 0;
  border-right: 1px solid var(--hair-soft);
}
.brand:last-child { border-right: 0; padding-right: 0; }
.brand h3 {
  margin-bottom: 10px;
  font-size: clamp(1.3rem, 2.1vw, 1.62rem);
  line-height: 1.1;
  letter-spacing: -.026em;
  font-weight: 700;
}
.brand p {
  margin: 0;
  font-size: 14.6px;
  line-height: 1.55;
  color: var(--muted);
}

/* --- Passos --------------------------------------------------------------- */

.steps { counter-reset: s; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step {
  position: relative;
  padding: 30px 28px 32px;
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--sh-2);
}
.step::before {
  counter-increment: s;
  content: counter(s);
  display: grid;
  place-items: center;
  width: 32px; height: 32px;
  margin-bottom: 20px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -.01em;
}
.step p { margin: 10px 0 0; font-size: 15.2px; line-height: 1.55; color: var(--muted); }

/* --- Seletor de litragem -------------------------------------------------- */

.sizer {
  max-width: 900px;
  margin-inline: auto;
  padding: clamp(28px, 4vw, 44px);
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-xl);
  background: var(--surface);
  box-shadow: var(--sh-2);
}
.sizer__q {
  margin: 0 0 18px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -.008em;
  color: var(--ink);
}
.sizer__opts { display: flex; flex-wrap: wrap; gap: 9px; }
.opt {
  padding: 11px 20px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: var(--bg);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: -.008em;
  color: var(--ink-2);
  cursor: pointer;
  transition: transform 120ms var(--e-out), background-color 180ms var(--e-out),
              color 180ms var(--e-out), border-color 180ms var(--e-out);
}
.opt:hover  { border-color: rgba(10,10,10,.18); }
.opt:active { transform: scale(.96); }
.opt[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.sizer__out {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--hair-soft);
}
.sizer__val {
  font-size: clamp(2rem, 4.4vw, 2.9rem);
  line-height: 1;
  letter-spacing: -.04em;
  font-weight: 700;
  transition: opacity 200ms var(--e-out), transform 320ms var(--e-out);
}
.sizer__val small { font-size: .42em; font-weight: 600; letter-spacing: -.01em; color: var(--muted); }
.sizer__txt { flex: 1 1 260px; margin: 0; font-size: 14.8px; line-height: 1.55; color: var(--muted); }
.sizer__val.is-swap { opacity: 0; transform: translateY(6px); }

/* --- Região --------------------------------------------------------------- */

.cities { display: flex; flex-wrap: wrap; justify-content: center; gap: 9px; margin-top: 38px; }
.city {
  padding: 10px 19px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: var(--sh-1);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: -.008em;
}

/* --- Bloco com foto ------------------------------------------------------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
}
.split__img {
  overflow: hidden;
  border-radius: var(--r-lg);
  box-shadow: var(--sh-3);
  aspect-ratio: 4 / 3;
  max-width: 100%;
}
.split__img img { width: 100%; height: 100%; object-fit: cover; }
.split ul { margin: 26px 0 0; padding: 0; list-style: none; }
.split li {
  position: relative;
  padding: 13px 0 13px 30px;
  border-top: 1px solid var(--hair-soft);
  font-size: 15.4px;
  line-height: 1.5;
  color: var(--ink-2);
}
.split li::before {
  content: '';
  position: absolute;
  left: 2px; top: 19px;
  width: 15px; height: 15px;
  border-radius: 50%;
  background: var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 9px no-repeat;
}

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

.faq { max-width: 800px; margin-inline: auto; }
.faq__item { border-bottom: 1px solid var(--hair-soft); }
.faq__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  padding: 24px 2px;
  border: 0;
  background: none;
  text-align: left;
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: -.014em;
  cursor: pointer;
  transition: color 160ms var(--e-out), opacity 120ms var(--e-out);
}
.faq__q:active { opacity: .6; }
.faq__sign {
  position: relative;
  flex: none;
  width: 20px; height: 20px;
  margin-top: 3px;
}
.faq__sign::before, .faq__sign::after {
  content: '';
  position: absolute;
  inset: 50% 0 auto 0;
  height: 1.8px;
  border-radius: 2px;
  background: var(--muted);
  transform: translateY(-50%);
  transition: transform 340ms var(--e-out), opacity 240ms var(--e-out);
}
.faq__sign::after { transform: translateY(-50%) rotate(90deg); }
.faq__item.is-open .faq__sign::after { transform: translateY(-50%) rotate(0deg); opacity: 0; }

.faq__a {
  overflow: hidden;
  height: 0;
  transition: height 380ms var(--e-inout);
}
.faq__a > div { padding: 0 44px 26px 2px; }
.faq__a p { margin: 0; font-size: 15.4px; line-height: 1.6; color: var(--muted); }

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

.final { padding: 0 12px clamp(20px, 3vw, 34px); }
.final__card {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 8vw, 106px) clamp(26px, 5vw, 56px);
  border-radius: var(--r-xl);
  text-align: center;
  color: #fff;
  background:
    radial-gradient(100% 110% at 50% -10%, rgba(239, 138, 31, .26) 0%, rgba(239, 138, 31, 0) 55%),
    linear-gradient(170deg, var(--blue-deep), var(--blue-ink) 70%, #04101d);
  box-shadow: var(--sh-3);
}
.final__card .display { max-width: 780px; margin-inline: auto; }
.final__card p {
  max-width: 540px;
  margin: 22px auto 0;
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.55;
  color: rgba(255, 255, 255, .72);
}
.final__cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 36px; }
.final__meta { margin-top: 28px; font-size: 13.5px; color: rgba(255, 255, 255, .5); }

/* --- Rodapé --------------------------------------------------------------- */

.foot {
  padding: clamp(56px, 7vw, 86px) 0 34px;
  border-top: 1px solid var(--hair-soft);
  margin-top: clamp(56px, 7vw, 86px);
}
.foot__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(28px, 4vw, 56px);
}
.foot__logo { height: 40px; width: auto; margin-bottom: 20px; }
.foot__about { max-width: 330px; font-size: 14.4px; line-height: 1.6; color: var(--muted); }

.foot h4 {
  margin-bottom: 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .085em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.foot ul { margin: 0; padding: 0; list-style: none; }
.foot li { margin-bottom: 11px; font-size: 14.6px; line-height: 1.5; color: var(--ink-2); }
.foot a:hover { color: var(--blue); }

.foot__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 26px;
  margin-top: clamp(40px, 5vw, 64px);
  padding-top: 26px;
  border-top: 1px solid var(--hair-soft);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted-2);
}
.foot__legal a { color: var(--muted); }
.foot__legal a:hover { color: var(--ink); }
.foot__by {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted-2);
  transition: color 180ms var(--e-out);
}
.foot__by:hover { color: var(--ink); }
.foot__by b { font-weight: 600; }

/* --- Ação flutuante (mobile) --------------------------------------------- */

.fab {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  display: none;
  align-items: center;
  gap: 9px;
  padding: 14px 22px;
  border-radius: 999px;
  background: var(--whats);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.01em;
  box-shadow: 0 6px 16px -4px rgba(18, 140, 74, .5), 0 16px 40px -12px rgba(10, 10, 10, .4);
  transition: transform 140ms var(--e-out), opacity 300ms var(--e-out);
}
.fab:active { transform: scale(.95); }
.fab svg { width: 21px; height: 21px; fill: currentColor; }
.fab.is-hidden { opacity: 0; transform: translateY(90px); pointer-events: none; }

/* --- Página de conteúdo (política) --------------------------------------- */

.doc { max-width: 760px; margin-inline: auto; padding-block: clamp(110px, 12vw, 160px) var(--pad); }
.doc__meta { margin: 18px 0 0; font-size: 14px; color: var(--muted-2); }
.doc h2 {
  margin: 52px 0 14px;
  font-size: clamp(1.25rem, 2.2vw, 1.55rem);
  line-height: 1.2;
  letter-spacing: -.024em;
  font-weight: 650;
}
.doc h3 {
  margin: 30px 0 10px;
  font-size: 16.5px;
  letter-spacing: -.015em;
  font-weight: 600;
}
.doc p, .doc li { font-size: 16px; line-height: 1.68; color: var(--ink-2); }
.doc p { margin: 0 0 15px; }
.doc ul { margin: 0 0 18px; padding-left: 21px; }
.doc li { margin-bottom: 9px; }
.doc a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.doc__box {
  margin: 30px 0;
  padding: 26px 28px;
  border: 1px solid var(--hair-soft);
  border-radius: var(--r);
  background: var(--surface);
  box-shadow: var(--sh-1);
}
.doc__box p:last-child { margin-bottom: 0; }
.doc__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
  transition: color 160ms var(--e-out), gap 200ms var(--e-out);
}
.doc__back:hover { color: var(--ink); gap: 11px; }

/* --- Revelação no scroll -------------------------------------------------- */
/* Opacidade + deslocamento curto; nada de parallax. */

.js-anim .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 640ms var(--e-out), transform 640ms var(--e-out);
  transition-delay: var(--d, 0ms);
}
.js-anim .reveal.is-in { opacity: 1; transform: none; }

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

@media (max-width: 1000px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .brands { grid-template-columns: repeat(2, 1fr); }
  .brand:nth-child(2n) { border-right: 0; padding-right: 0; }
  .brand:nth-child(-n+2) { border-bottom: 1px solid var(--hair-soft); padding-bottom: 24px; }
  .foot__top { grid-template-columns: 1fr 1fr; }
  .foot__about { max-width: none; }
}

@media (max-width: 860px) {
  html { scroll-padding-top: 76px; }
  .nav__links { display: none; }
  .hero { padding-top: 76px; }
  .hero__in { grid-template-columns: 1fr; text-align: center; padding-bottom: 56px; }
  .hero__sub { margin-inline: auto; }
  .hero__cta, .hero__proof { justify-content: center; }
  .hero__art { order: -1; margin-bottom: 14px; }
  .hero__art img { width: min(74%, 250px); }
  .grid--3, .grid--2, .steps { grid-template-columns: 1fr; }
  .versus { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split__img { order: -1; }
  .prod { min-height: 0; }
  .fab { display: inline-flex; }
  .nav .btn { display: none; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero__kicker { font-size: 10px; letter-spacing: .06em; padding: 6px 12px; }
  .chip { font-size: 12.5px; padding: 6px 11px; }
  .btn { white-space: normal; }
  .vs__note, .card p, .step p, .prod p { font-size: 14.6px; }
  .grid--4 { grid-template-columns: 1fr; }
  .brands { grid-template-columns: 1fr; }
  .brand { border-right: 0; padding: 22px 0; border-bottom: 1px solid var(--hair-soft); }
  .brand:last-child { border-bottom: 0; }
  .foot__top { grid-template-columns: 1fr; }
  .hero__cta .btn { width: 100%; }
  .sizer__opts .opt { flex: 1 1 auto; text-align: center; }
  .br-desk { display: none; } /* quebra de linha que só faz sentido com largura de desktop */
  .foot__legal { flex-direction: column; align-items: flex-start; }
}

/* --- Preferências do sistema --------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .vs__fill { transform: scaleX(var(--w, 1)); }
  .hero__art img { animation: none; }
  .faq__a { transition: none; }
}

@media (prefers-reduced-transparency: reduce) {
  .nav.is-stuck { background: var(--bg); backdrop-filter: none; -webkit-backdrop-filter: none; }
  .hero__kicker, .chip, .btn--on-dark { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(255,255,255,.14); }
}

@media (prefers-contrast: more) {
  :root { --muted: #4a4a4a; --muted-2: #5c5c5c; --hair: rgba(10,10,10,.24); --hair-soft: rgba(10,10,10,.18); }
  .card, .step, .vs, .prod, .sizer { border-width: 1.5px; }
}

@media print {
  .nav, .fab, .hero__art, .final { display: none !important; }
  body { background: #fff; }
}

/* Nota de rodapé de seção: complementa o grid sem virar mais um card */
.afternote {
  max-width: 620px;
  margin: 34px auto 0;
  text-align: center;
  font-size: 15.2px;
  line-height: 1.55;
  color: var(--muted);
}
.afternote strong { color: var(--ink-2); font-weight: 600; }