/* ============================================================
   Formulário de qualificação — Vitor Barcel
   Tokens herdados da landing (fundo #0a0a0b, dourado oklch, Space Grotesk).
   ============================================================ */

/* ---------- tokens ---------- */
:root {
  --bg:      #0a0a0b;
  --surface: #111113;
  --fg:      #f5f4f2;
  --gold:    oklch(0.78 0.09 80);

  --fg-70: rgba(245, 244, 242, 0.7);
  --fg-58: rgba(245, 244, 242, 0.58);
  --fg-40: rgba(245, 244, 242, 0.4);
  --fg-32: rgba(245, 244, 242, 0.32);

  --hairline: rgba(255, 255, 255, 0.09);
  --erro: oklch(0.68 0.17 25);

  --shell: 720px;
  --gutter: 24px;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;          /* o formulário não rola: uma pergunta por tela */
  overscroll-behavior: none;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: "Space Grotesk", -apple-system, system-ui, "Helvetica Neue", Helvetica, sans-serif;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

h1, h2, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }

button { font: inherit; color: inherit; }

::selection { background: oklch(0.78 0.09 80 / 0.3); color: var(--fg); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* ---------- fundo ---------- */
/* Halos como gradiente de fundo, e não como <span> borrado com filter:blur():
   a combinação de blur com camadas grandes trava a pintura no celular. */
.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle 460px at 14% 12%, oklch(0.78 0.09 80 / 0.15), transparent),
    radial-gradient(circle 520px at 88% 30%, oklch(0.7 0.1 210 / 0.13), transparent),
    radial-gradient(circle 480px at 20% 88%, oklch(0.78 0.09 80 / 0.12), transparent);
}

/* ---------- estrutura ---------- */
.app {
  position: relative;
  z-index: 1;
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

.progresso {
  flex: none;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
}
.progresso__barra {
  height: 100%;
  width: 0;
  background: var(--gold);
  border-radius: 0 4px 4px 0;
  box-shadow: 0 0 18px oklch(0.78 0.09 80 / 0.55);
  transition: width 0.55s var(--ease-out-expo);
}

.palco {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
}

/* ---------- telas ---------- */
/* Todas as telas ocupam a mesma célula; só a ativa é exibida. O overflow-y
   é a válvula de escape: em tela muito baixa (celular com teclado aberto) a
   pergunta rola dentro de si mesma em vez de ser cortada. */
.tela {
  display: none;
  width: 100%;
  max-width: calc(var(--shell) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 32px var(--gutter) 96px;
  overflow-y: auto;
  flex-direction: column;
  justify-content: center;
}
.tela--ativa {
  display: flex;
  animation: entrada 0.55s var(--ease-out-expo) both;
}
.tela--centro { text-align: center; align-items: center; }

@keyframes entrada {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
/* Ao voltar, a tela entra de cima — o sentido do movimento confirma a direção. */
.tela--ativa.tela--voltando { animation-name: entradaReversa; }
@keyframes entradaReversa {
  from { opacity: 0; transform: translateY(-22px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .tela--ativa { animation: none; }
  .progresso__barra { transition: none; }
  .btn__sheen { display: none; }
}

/* ---------- tipografia das telas ---------- */
.tela__eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-40);
  margin-bottom: 20px;
}
.tela__eyebrow--gold { color: var(--gold); font-size: 14px; letter-spacing: 0.1em; }

.tela__num {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--gold);
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 14px;
}
.tela__num-seta { opacity: 0.55; }

.tela__titulo {
  font-size: clamp(24px, 4.6vw, 40px);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.02em;
  max-width: 20ch;
}
.tela--centro .tela__titulo { max-width: 22ch; }

.tela__pergunta {
  font-size: clamp(22px, 4.2vw, 36px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.tela__pergunta label { cursor: text; }

.tela__legenda {
  margin-top: 12px;
  font-size: 15px;
  font-style: italic;
  color: var(--fg-58);
}

.tela__texto {
  margin-top: 18px;
  font-size: clamp(16px, 2.2vw, 19px);
  line-height: 1.6;
  color: var(--fg-70);
  max-width: 52ch;
}
.tela--centro .tela__texto { margin-left: auto; margin-right: auto; }

/* ---------- campos ---------- */
.tela__campo { margin-top: 28px; }

.entrada {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 2px solid var(--hairline);
  color: var(--fg);
  font-family: inherit;
  font-size: clamp(20px, 3.4vw, 28px);
  font-weight: 500;
  padding: 10px 2px;
  border-radius: 0;                 /* iOS arredonda inputs por padrão */
  transition: border-color 0.25s ease;
}
.entrada::placeholder { color: var(--fg-32); font-weight: 400; }
.entrada:focus { outline: none; border-bottom-color: var(--gold); }
.entrada:-webkit-autofill {
  -webkit-text-fill-color: var(--fg);
  -webkit-box-shadow: 0 0 0 1000px var(--bg) inset;
}
.tela--erro .entrada { border-bottom-color: var(--erro); }

.erro {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--erro);
}

/* ---------- opções ---------- */
.opcoes {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.opcao {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  background: rgba(255, 255, 255, 0.03);
  border: 1.5px solid var(--hairline);
  border-radius: 12px;
  padding: 15px 18px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.opcao:hover {
  border-color: oklch(0.78 0.09 80 / 0.5);
  background: oklch(0.78 0.09 80 / 0.07);
}
.opcao--marcada {
  border-color: var(--gold);
  background: oklch(0.78 0.09 80 / 0.14);
}
.opcao:active { transform: scale(0.99); }

.opcao__tecla {
  flex: none;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-58);
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.opcao--marcada .opcao__tecla,
.opcao:hover .opcao__tecla { border-color: var(--gold); color: var(--gold); }
.opcao--marcada .opcao__tecla { background: oklch(0.78 0.09 80 / 0.18); }

.opcao__texto { font-size: clamp(15px, 2.2vw, 17px); font-weight: 500; line-height: 1.4; }

/* ---------- botões ---------- */
.tela__acoes {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.tela--centro .tela__acoes { justify-content: center; }

.btn {
  background: var(--fg);
  color: var(--bg);
  border: 0;
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 30px;
  border-radius: 100px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 32px -8px rgba(245, 244, 242, 0.25); }
.btn:disabled { opacity: 0.5; cursor: default; transform: none; box-shadow: none; }
.btn--lg { padding: 18px 36px; font-size: 17px; }
.btn__label, .btn__seta { position: relative; z-index: 1; }
.btn__sheen {
  position: absolute;
  top: 0; left: 0;
  width: 40%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(10, 10, 11, 0.12), transparent);
  animation: sheen 7s ease-in-out infinite 2s;
  pointer-events: none;
}
@keyframes sheen {
  0%, 100% { transform: translateX(-120%) skewX(-12deg); opacity: 0; }
  8%   { opacity: 0.5; }
  16%  { opacity: 0; }
  100% { transform: translateX(220%) skewX(-12deg); opacity: 0; }
}

.dica { font-size: 13px; color: var(--fg-40); }
.dica b { font-weight: 600; color: var(--fg-58); }
@media (hover: none) { .dica { display: none; } }

/* ---------- navegação ---------- */
.nav {
  position: fixed;
  right: 20px;
  bottom: calc(20px + env(safe-area-inset-bottom));
  z-index: 3;
  display: flex;
  gap: 2px;
}
/* display:flex vence o [hidden] do HTML — sem esta linha a navegação aparece
   na tela de abertura e nas de obrigado. */
.nav[hidden] { display: none; }
.nav__btn {
  width: 40px;
  height: 38px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--hairline);
  color: var(--fg-70);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}
.nav__btn:first-child { border-radius: 8px 0 0 8px; }
.nav__btn:last-child  { border-radius: 0 8px 8px 0; }
.nav__btn:hover:not(:disabled) { background: oklch(0.78 0.09 80 / 0.18); color: var(--fg); }
.nav__btn:disabled { opacity: 0.3; cursor: default; }
.nav__btn svg { width: 20px; height: 20px; }

/* ---------- carregando ---------- */
.carregando { display: flex; gap: 8px; margin-bottom: 22px; }
.carregando span {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulo 1.1s ease-in-out infinite;
}
.carregando span:nth-child(2) { animation-delay: 0.15s; }
.carregando span:nth-child(3) { animation-delay: 0.3s; }
@keyframes pulo {
  0%, 80%, 100% { opacity: 0.25; transform: translateY(0); }
  40%           { opacity: 1;    transform: translateY(-7px); }
}

/* ---------- armadilha (honeypot) ---------- */
/* Fora da tela em vez de display:none — alguns robôs ignoram campos ocultos. */
.armadilha {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- botão do WhatsApp ---------- */
.btn--whats { background: var(--fg); }

/* ---------- telas baixas ---------- */
@media (max-height: 560px) {
  .tela { padding-top: 20px; padding-bottom: 76px; justify-content: flex-start; }
  .tela__acoes { margin-top: 22px; }
  .opcoes { margin-top: 18px; gap: 8px; }
  .opcao { padding: 12px 14px; }
}