/* ============================================================
   ÓTICA COM IA — landing page (página de vendas)
   Tema: dark premium, single-theme (compromisso deliberado).
   Todas as cores estão em variáveis abaixo — para retematizar,
   troque apenas os valores em :root.
   ============================================================ */

:root {
  color-scheme: dark;

  /* -- fundo / superfícies (quase preto com viés frio, tipo lente) -- */
  --ink:        #090C10;
  --surface:    #10161D;
  --surface-2:  #161F29;
  --line:       #29343F;
  --line-soft:  #1B242E;

  /* -- texto -- */
  --text:       #E7EDF3;
  --text-dim:   #9BA8B4;
  --text-mute:  #67727E;

  /* -- accent: azul ótico — confiança, clareza, saúde visual -- */
  --accent:       #2F6FED;
  --accent-deep:  #1E52C2;
  --accent-ink:   #F5F9FF;
  --accent-soft:  rgba(47, 111, 237, 0.13);
  --accent-line:  rgba(47, 111, 237, 0.40);

  /* -- semânticas (separadas do accent) -- */
  --pos:  #4BD98D;
  --neg:  #ED6A80;

  /* -- tipografia -- */
  --font-display: "Archivo", "Arial Narrow", Arial, sans-serif;
  --font-body:    "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --step--1: 0.8rem;
  --step-0:  1rem;
  --step-1:  clamp(1.05rem, 0.98rem + 0.32vw, 1.2rem);
  --step-2:  clamp(1.25rem, 1.08rem + 0.7vw, 1.6rem);
  --step-3:  clamp(1.55rem, 1.3rem + 1vw, 2.1rem);
  --step-4:  clamp(1.9rem, 1.5rem + 1.7vw, 2.7rem);
  --step-5:  clamp(2.05rem, 1.55rem + 2.2vw, 3.15rem);

  /* -- layout -- */
  --wrap: 74rem;
  --measure: 46rem;
  --gutter: clamp(20px, 5vw, 48px);
  --radius: 5px;
  --radius-lg: 12px;
  --header-h: 62px;

  /* -- escala de espaçamento vertical (ritmo da página) -- */
  --space-2xs: 0.55rem;
  --space-xs:  0.9rem;
  --space-s:   1.25rem;
  --space-m:   1.7rem;
  --space-l:   2.6rem;
  --space-xl:  3.4rem;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
[hidden] { display: none !important; }
::selection { background: var(--accent); color: var(--accent-ink); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  margin: 0;
  text-wrap: balance;
  letter-spacing: -0.02em;
}
h1 { font-size: var(--step-5); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); letter-spacing: -0.01em; }
p  { margin: 0; }
em { color: var(--text); font-style: italic; }

a { color: inherit; }

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

/* ---------------- layout primitives ---------------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(56px, 7.5vw, 104px);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 16px);
}
main > .section:first-child { border-top: 0; }

.section__inner { max-width: none; }

/* ============================================================
   RITMO VERTICAL — um único sistema para toda a página.
   cabeçalho da seção (.section-head) : espaços curtos
   corpo da seção     (.section-body) : espaços médios
   entre cabeçalho e corpo            : espaço grande
   ============================================================ */

/* largura de leitura: cabeçalho sempre estreito; corpo estreito,
   exceto quando a seção é --wide (grades de cards/cases). */
.section-head { max-width: var(--measure); }
.section-body { max-width: var(--measure); }
.section__inner--wide .section-body { max-width: none; }
.section__inner--wide .section-body > .fineprint { max-width: var(--measure); }

/* --- cabeçalho: eyebrow / badge -> h2 -> lede --- */
.section-head > * + *      { margin-top: var(--space-xs); }
.section-head > h1 + .lede,
.section-head > h2 + .lede { margin-top: var(--space-s); }

/* --- salto do cabeçalho para o corpo --- */
.section-head + .section-body { margin-top: var(--space-l); }

/* --- corpo: ritmo padrão entre blocos --- */
.section-body > * + *               { margin-top: var(--space-m); }
.section-body > p + p               { margin-top: var(--space-s); }
.section-body > .h-kicker + *       { margin-top: var(--space-xs); }
.section-body > * + .fineprint      { margin-top: var(--space-s); }
.section-body > * + .cta-row        { margin-top: var(--space-l); }
.section-body > * + .big-statement,
.section-body > .big-statement + *  { margin-top: var(--space-l); }

/* --- linha de botão(ões) --- */
.cta-row { display: flex; flex-wrap: wrap; gap: 0.8rem; }

/* --- hero: mesmo sistema, âncoras próprias --- */
.hero__inner > * + *                 { margin-top: var(--space-s); }
.hero__inner > .badge + h1           { margin-top: var(--space-m); }
.hero__inner > h1 + *                { margin-top: var(--space-m); }
.hero__inner > * + .hero__price      { margin-top: var(--space-l); }
.hero__inner > * + .hero__checks     { margin-top: var(--space-m); }
.hero__inner > * + .cta-row          { margin-top: var(--space-l); }
.hero__inner > * + .fineprint        { margin-top: var(--space-s); }

/* ---------------- text helpers ---------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.75em;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--accent-line);
  flex: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  align-self: start;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  padding: 0.5em 1em;
  background: var(--accent-soft);
}

.h-kicker {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.lede { font-size: var(--step-1); line-height: 1.5; }
.dim  { color: var(--text-dim); }
.accent { color: var(--accent); }
.pos { color: var(--pos); }
.neg { color: var(--neg); }

.fineprint {
  font-size: var(--step--1);
  color: var(--text-mute);
  line-height: 1.55;
  max-width: 44rem;
}

.big-statement {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-2);
  line-height: 1.16;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

/* ---------------- buttons ---------------- */
.btn {
  --btn-bg: var(--accent);
  --btn-fg: var(--accent-ink);
  --btn-bd: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.005em;
  line-height: 1.25;
  padding: 1.05em 1.7em;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bd);
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: transform .16s ease, box-shadow .22s ease, background .2s ease, color .2s ease;
}
.btn:hover {
  box-shadow: 0 0 0 1px var(--accent), 0 16px 34px -14px var(--accent);
  transform: translateY(-2px);
}
.btn:active { transform: translateY(0); }

.btn--sm { padding: 0.7em 1.15em; font-size: 0.85rem; }
.btn--lg { padding: 1.2em 2.1em; font-size: 1.06rem; }
.btn--block { display: flex; width: 100%; }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--text);
  --btn-bd: var(--line);
}
.btn--ghost:hover {
  --btn-bd: var(--accent);
  color: var(--accent);
  box-shadow: none;
  transform: translateY(-2px);
}

/* ---------------- header ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--ink) 86%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
  box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
  transition: box-shadow .2s ease;
}
.site-header.is-scrolled { box-shadow: 0 12px 28px -20px rgba(0, 0, 0, 0.7); }
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.75rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--text);
}
.brand svg { width: 22px; height: 22px; color: var(--accent); flex: none; }
.brand--footer { font-size: 1rem; }

/* mini-menu de âncoras (só em telas largas) */
.site-nav { display: none; }
@media (min-width: 920px) {
  .site-nav {
    display: flex;
    gap: 1.8rem;
    margin-inline: auto;
  }
  .site-nav a {
    font-family: var(--font-mono);
    font-size: var(--step--1);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dim);
    text-decoration: none;
    padding-block: 0.3em;
    transition: color .15s ease;
  }
  .site-nav a:hover { color: var(--accent); }
}

/* ---------------- hero ---------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(28px, 4vw, 52px);
  padding-bottom: clamp(48px, 6vw, 84px);
}
.hero::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto auto;
  width: min(760px, 90vw);
  aspect-ratio: 1;
  background: radial-gradient(circle at 70% 30%, var(--accent-soft), transparent 62%);
  pointer-events: none;
}
.hero > .wrap { position: relative; }
.hero__inner { max-width: 52rem; }
/* largura pensada para a headline cair em 3 linhas (máx. 4) */
.hero h1 { max-width: 24ch; text-wrap: balance; }
.hero__sub { max-width: 48ch; font-size: var(--step-1); }
.hero__price { display: flex; flex-direction: column; gap: 0.4em; }
.price-line { display: inline-flex; align-items: baseline; gap: 0.15em; white-space: nowrap; }
.price-line__v {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--step-4);
  color: var(--accent);
  letter-spacing: -0.03em;
}
.price-line__u {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  color: var(--text-dim);
}

.hero__checks { max-width: 40rem; }

/* entrada orquestrada no carregamento: badge -> h1 (foco) -> resto em
   sequência curta. Parte de um estado já visível (nunca opacity: 0). */
@keyframes focus-in {
  from { filter: blur(6px); opacity: 0.72; }
  to   { filter: blur(0);   opacity: 1; }
}
@keyframes rise-in {
  from { opacity: 0.78; transform: translateY(8px); }
  to   { opacity: 1;    transform: translateY(0); }
}
.hero__inner > .badge      { animation: rise-in  .5s cubic-bezier(.2,.7,.2,1) both; }
.hero h1                   { animation: focus-in .55s cubic-bezier(.2,.7,.2,1) .08s both; }
.hero__inner > .hero__sub  { animation: rise-in  .5s cubic-bezier(.2,.7,.2,1) .2s both; }
.hero__inner > .hero__price{ animation: rise-in  .5s cubic-bezier(.2,.7,.2,1) .32s both; }
.hero__inner > .hero__checks{ animation: rise-in .5s cubic-bezier(.2,.7,.2,1) .42s both; }
.hero__inner > .cta-row    { animation: rise-in  .5s cubic-bezier(.2,.7,.2,1) .52s both; }
.hero__inner > .fineprint  { animation: rise-in  .5s cubic-bezier(.2,.7,.2,1) .62s both; }

/* ---------------- checklist ---------------- */
.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75em;
}
.checklist li {
  display: grid;
  grid-template-columns: 1.35em 1fr;
  gap: 0.7em;
  align-items: start;
}
.checklist li::before {
  font-family: var(--font-mono);
  font-weight: 600;
  line-height: 1.5;
}
.checklist--pos li::before { content: "✓"; color: var(--pos); }
.checklist--neg li::before { content: "✕"; color: var(--neg); }
.checklist--2col { grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 0.75em 1.6em; }

/* ---------------- generic lists ---------------- */
.tick-list, .q-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6em;
}
.tick-list li, .q-list li { padding-left: 1.1em; position: relative; }
.tick-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.72em;
  width: 6px; height: 6px;
  background: var(--accent);
}
.q-list li {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-1);
  color: var(--text);
}
.q-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.62em;
  width: 10px; height: 1px;
  background: var(--accent-line);
}

/* ---------------- corridor (sec 04) ---------------- */
.corridor {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.corridor::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 1.9em;
  bottom: 1.9em;
  width: 1px;
  background: linear-gradient(var(--line), var(--accent-line));
}
.corridor__row {
  display: grid;
  grid-template-columns: 13px 1fr;
  gap: 1.3em;
  padding-block: 1.15em;
  position: relative;
}
.corridor__dot {
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--line);
  margin-top: 0.4em;
  position: relative;
  z-index: 1;
}
.corridor__row:nth-child(1) .corridor__dot { filter: blur(2px); opacity: 0.55; }
.corridor__row:nth-child(2) .corridor__dot { filter: blur(1.4px); opacity: 0.7; }
.corridor__row:nth-child(3) .corridor__dot { filter: blur(0.8px); opacity: 0.82; }
.corridor__row--goal .corridor__dot {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), 0 0 22px -2px var(--accent);
  filter: none;
  opacity: 1;
  animation: goal-pulse 2.6s ease-in-out infinite;
}
@keyframes goal-pulse {
  0%, 100% { box-shadow: 0 0 0 4px var(--accent-soft), 0 0 22px -2px var(--accent); }
  50%      { box-shadow: 0 0 0 7px var(--accent-soft), 0 0 30px  2px var(--accent); }
}
.corridor__row h3 { margin-bottom: 0.15em; }
.corridor__row--goal h3 { color: var(--accent); }

/* ---------------- cards (sec 06) ---------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.card {
  background: var(--ink);
  padding: 1.8em 1.6em;
  display: flex;
  flex-direction: column;
  gap: 0.7em;
  position: relative;
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px -20px rgba(0, 0, 0, 0.7);
  z-index: 1;
}
.card:hover .card__icon { border-color: var(--accent); }
.card__icon {
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  color: var(--accent);
  border: 1px solid var(--accent-line);
  border-radius: var(--radius);
  margin-bottom: 0.4em;
}
.card__icon svg { width: 22px; height: 22px; }
.card h3 { color: var(--text); }
.card p { font-size: 0.98rem; }

/* ---------------- steps (sec 07) ---------------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.4em;
  padding-block: 1.6em;
  border-top: 1px solid var(--line-soft);
}
.step:first-child { border-top: 0; padding-top: 0; }
.step__n {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  font-weight: 500;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.step h3 { margin-bottom: 0.2em; }

/* ---------------- cases (sec 08) ---------------- */
.cases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.case {
  background: var(--ink);
  padding: 1.7em 1.5em;
  display: flex;
  flex-direction: column;
  gap: 1.15em;
  position: relative;
  transition: transform .2s ease, box-shadow .2s ease;
}
.case:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px -20px rgba(0, 0, 0, 0.7);
  z-index: 1;
}
.case__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.9em;
}
/* medalhão redondo: disco branco + arco branco fino em volta */
.case__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 84px;
  height: 84px;
  flex: none;
  padding: 0;
  background: #ffffff;
  border-radius: 50%;
  overflow: hidden;
  box-shadow:
    0 0 0 3px var(--ink),
    0 0 0 4px rgba(255, 255, 255, 0.55);
}
.case__logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  /* aproxima a arte da logo dentro do mesmo medalhão */
  transform: scale(1.12);
}
.case__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-1);
  letter-spacing: -0.01em;
}
.case__headline { display: grid; gap: 0.1em; }
.case__headline-v {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--step-2);
  color: var(--accent);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.case__headline-k {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
}
/* uma linha por métrica: rótulo à esquerda, número à direita.
   evita dois números lado a lado se misturarem visualmente. */
.case__grid {
  margin: 0;
  display: grid;
  gap: 0;
}
.case__grid div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.2em;
  padding-block: 0.65em;
  border-top: 1px solid var(--line-soft);
}
.case__grid div:first-child { border-top: 0; padding-top: 0; }
.case__grid div:last-child { padding-bottom: 0; }
.case__grid dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.case__grid dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-0);
  font-weight: 500;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  text-align: right;
}
/* ---------------- faixa de números (sec 02b) ---------------- */
.section--stats {
  background: var(--surface);
  padding-block: clamp(40px, 5vw, 68px);
}
.stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.stats li {
  background: var(--surface);
  padding: 1.6em 1.4em;
  display: grid;
  gap: 0.35em;
  transition: background-color .2s ease;
}
.stats li:hover { background: var(--surface-2); }
.stats__v {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--step-3);
  color: var(--accent);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.stats__u {
  font-size: 0.5em;
  color: var(--text-dim);
  letter-spacing: 0;
}
.stats__k {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.section--stats .fineprint { margin-top: var(--space-s); }

/* ---------------- chain (sec 09) ---------------- */
.chain {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: chain;
}
.chain li {
  counter-increment: chain;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1em;
  align-items: center;
  padding-block: 0.9em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-1);
  border-top: 1px solid var(--line-soft);
}
.chain li:first-child { border-top: 0; }
.chain li::before {
  content: counter(chain, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--accent);
}
.chain li:last-child { color: var(--accent); }

/* ---------------- offer (sec 10) ---------------- */
.offer {
  display: grid;
  gap: var(--space-m);
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-lg);
  padding: clamp(1.6em, 4vw, 2.6em);
  background:
    radial-gradient(120% 80% at 100% 0%, var(--accent-soft), transparent 55%),
    var(--surface);
}
.offer__price { display: grid; gap: 0.3em; }

/* ---------------- split panels (sec 12) ---------------- */
.split {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 840px) { .split { grid-template-columns: 1fr 1fr; } }
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.9em 1.7em;
  background: var(--surface);
  display: grid;
  gap: 1.2em;
  align-content: start;
  transition: border-color .2s ease;
}
.panel:hover { border-color: var(--accent-line); }
.panel--neg { background: transparent; }

/* ---------------- form (sec 13) ---------------- */
.section--form { background: var(--surface); }

.form {
  display: grid;
  gap: 1.9rem;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.4em, 4vw, 2.5em);
}
.hp { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.field { display: grid; gap: 0.55em; border: 0; margin: 0; padding: 0; min-width: 0; }
.field > label,
.field > legend,
.field__label {
  font-weight: 600;
  font-size: 1rem;
  font-family: var(--font-body);
  padding: 0;
}
.field > legend { display: block; width: 100%; margin-bottom: 0.55em; }

.field input[type="text"],
.field input[type="tel"],
.field select {
  font: inherit;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.85em 1em;
  width: 100%;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input::placeholder { color: var(--text-mute); }
.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field select { appearance: none; -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-dim) 50%), linear-gradient(135deg, var(--text-dim) 50%, transparent 50%);
  background-position: calc(100% - 20px) 55%, calc(100% - 14px) 55%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.5em;
}

.row2 { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 560px) { .row2 { grid-template-columns: 2fr 1fr; } }

.opts { display: grid; gap: 0.5em; }
.opt {
  display: flex;
  align-items: center;
  gap: 0.7em;
  padding: 0.8em 1em;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .14s ease, background .14s ease;
}
.opt:hover { border-color: var(--line); }
.opt input {
  accent-color: var(--accent);
  width: 1.05em;
  height: 1.05em;
  flex: none;
  margin: 0;
}
.opt.is-checked,
.opt:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.form__error {
  color: var(--neg);
  font-size: var(--step--1);
  min-height: 1.3em;
  margin: 0;
}
.form__error:empty { min-height: 0; }

/* ---------------- página de obrigado ---------------- */
.thanks { padding-top: clamp(56px, 10vw, 120px); }
.thanks__mark {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 6px var(--accent-soft), 0 0 32px -4px var(--accent);
}
.thanks__mark svg { width: 32px; height: 32px; }
.thanks h1 { max-width: 18ch; }

/* ---------------- FAQ (sec 14) ---------------- */
.faq { display: grid; border-top: 1px solid var(--line-soft); }
.faq details { border-bottom: 1px solid var(--line-soft); }
.faq summary {
  cursor: pointer;
  padding: 1.25em 2.5em 1.25em 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-0);
  position: relative;
  list-style: none;
  transition: color .15s ease;
}
.faq summary:hover { color: var(--accent); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0.1em;
  top: 0.95em;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1.3em;
  line-height: 1;
}
.faq details[open] summary::after { content: "–"; }
.faq details > div {
  padding: 0 0 1.5em;
  color: var(--text-dim);
  max-width: var(--measure);
}

/* ---------------- CTA final (sec 15) ---------------- */
.cta-brand {
  display: grid;
  gap: 0.5em;
  padding: 1.6em 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.cta-brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-2);
  letter-spacing: -0.02em;
}
.cta-brand__tag {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ---------------- footer ---------------- */
.site-footer {
  border-top: 1px solid var(--line-soft);
  padding-block: clamp(40px, 7vw, 72px);
  background: var(--ink);
}
.site-footer .wrap { display: grid; gap: var(--space-s); }
.site-footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem 2rem;
}
.site-footer__top > div { display: grid; gap: 0.5em; align-content: start; }
.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em 1.4em;
  align-items: start;
}
.site-footer__nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.95rem;
}
.site-footer__nav a:hover { color: var(--accent); }

/* ---------------- popup de captura de e-mail ---------------- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.popup-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(4, 6, 9, 0.72);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.popup {
  position: relative;
  width: 100%;
  max-width: 26rem;
  display: grid;
  gap: 1em;
  padding: clamp(1.6em, 5vw, 2.2em);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.85);
  animation: rise-in 0.35s cubic-bezier(.2, .7, .2, 1) both;
}
@media (prefers-reduced-motion: reduce) { .popup { animation: none; } }

.popup h3 { font-size: var(--step-1); padding-right: 1.8em; }

.popup__close {
  position: absolute;
  top: 0.9em;
  right: 0.9em;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--text-dim);
  font-size: 0.85rem;
  line-height: 1;
  cursor: pointer;
  transition: color .15s ease, border-color .15s ease;
}
.popup__close:hover { color: var(--accent); border-color: var(--accent-line); }

.popup__form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6em;
}
.popup__form input[type="email"] {
  flex: 1 1 12rem;
  font: inherit;
  color: var(--text);
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.85em 1em;
}
.popup__form input[type="email"]::placeholder { color: var(--text-mute); }
.popup__form input[type="email"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.popup__form .btn { flex: none; }

.popup__status {
  margin: 0;
  min-height: 1.2em;
  font-size: var(--step--1);
  color: var(--pos);
}
.popup__status[data-error] { color: var(--neg); }

/* ---------------- motion / a11y ---------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .hero h1 { filter: none; opacity: 1; }
}