/* =========================================================
   PSP Mídias — Quiz de Diagnóstico
   Tema claro • Cor principal #1976D2 • Vanilla CSS
   Totalmente responsivo (rem, %, clamp, vw) — sem scroll-x
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  --primary: #1976D2;
  --primary-dark: #145fab;
  --primary-soft: #e8f1fc;
  --primary-softer: #f3f8fe;

  --ink: #0f1b2d;
  --ink-soft: #45566b;
  --ink-mute: #8593a5;

  --bg: #ffffff;
  --card: #ffffff;
  --line: #e7edf4;
  --line-strong: #d4def0;

  --success: #1fa463;

  --radius-lg: 1.25rem;
  --radius-md: 1rem;
  --radius-sm: 0.75rem;

  --shadow-sm: 0 1px 2px rgba(15, 27, 45, 0.04);
  --shadow-md: 0 6px 22px rgba(15, 27, 45, 0.07);
  --shadow-lg: 0 18px 50px rgba(20, 95, 171, 0.16);

  --t: 300ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html, body {
  margin: 0;
  padding: 0;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
}

button { font-family: inherit; }

/* Fundo com brilho sutil — nada de gradiente pesado */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 60% at 50% -10%, var(--primary-softer) 0%, transparent 60%);
  pointer-events: none;
}

/* ---------- Barra de progresso ---------- */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 0.375rem;
  background: var(--primary-soft);
  z-index: 50;
}
.progress__bar {
  height: 100%;
  width: 0%;
  border-radius: 0 999px 999px 0;
  background: linear-gradient(90deg, var(--primary), #4c9af0);
  box-shadow: 0 0 12px rgba(25, 118, 210, 0.45);
  transition: width 500ms cubic-bezier(0.65, 0, 0.35, 1);
}

/* ---------- Layout ---------- */
.app {
  min-height: 100svh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding:
    clamp(0.9rem, 3vw, 2rem)
    clamp(1rem, 4.5vw, 2rem);
  padding-top: calc(0.375rem + 72px + clamp(0.9rem, 3vw, 1.5rem));
}

.shell {
  width: 100%;
  max-width: 33rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ---------- Marca / Logo ---------- */
.brand {
  position: fixed;
  top: 0.375rem;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  margin-bottom: 0;
}
.brand__mark {
  width: clamp(3rem, 12vw, 3.75rem);
  height: clamp(3rem, 12vw, 3.75rem);
  border-radius: 0.95rem;
  object-fit: cover;
  box-shadow: 0 8px 18px rgba(25, 22, 60, 0.28);
  display: block;
}
.brand__name {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: clamp(1.05rem, 4.2vw, 1.25rem);
  color: var(--ink);
  letter-spacing: -0.01em;
}
.brand__name strong { color: var(--primary); font-weight: 800; }

/* ---------- Passo ---------- */
.step-label {
  margin: 0 0 clamp(0.5rem, 2vw, 0.8rem);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ---------- Palco / cartão ---------- */
.stage {
  position: relative;
  width: 100%;
}

.screen {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: clamp(1.2rem, 4.5vw, 2rem);
}

/* Animação Slide + Fade */
@keyframes screen-in {
  from { opacity: 0; transform: translateY(1.25rem) scale(0.985); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes screen-out {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(-1.75rem); }
}
.screen.is-in  { animation: screen-in 360ms cubic-bezier(0.22, 0.61, 0.36, 1) forwards; }
.screen.is-out { animation: screen-out 240ms ease forwards; pointer-events: none; }

/* ---------- Bloco de boas-vindas ---------- */
.intro {
  text-align: center;
  margin-bottom: clamp(1rem, 4vw, 1.5rem);
}
.intro__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.intro__badge .dot {
  width: 0.45rem; height: 0.45rem;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 0 rgba(25, 118, 210, 0.45);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(25, 118, 210, 0.4); }
  70%  { box-shadow: 0 0 0 0.5rem rgba(25, 118, 210, 0); }
  100% { box-shadow: 0 0 0 0 rgba(25, 118, 210, 0); }
}
.intro__title {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  font-size: clamp(1.4rem, 6vw, 2.1rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0.7rem 0 0.45rem;
  color: var(--ink);
}
.intro__sub {
  font-size: clamp(0.95rem, 3.8vw, 1.05rem);
  color: var(--ink-soft);
  margin: 0 auto;
  max-width: 26rem;
  text-wrap: pretty;
}
.trust {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: clamp(0.85rem, 3.2vw, 1.15rem);
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: #fff;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink-soft);
}
.trust__avatars {
  display: flex;
}
.trust__avatars i {
  width: 1.35rem; height: 1.35rem;
  border-radius: 50%;
  border: 2px solid #fff;
  margin-left: -0.45rem;
  background: linear-gradient(140deg, #cfe1f7, var(--primary));
}
.trust__avatars i:first-child { margin-left: 0; }
.trust b { color: var(--ink); font-weight: 700; }

/* ---------- Tela de abertura ---------- */
.intro--welcome { margin-bottom: 0; }
.intro--welcome .intro__title {
  font-size: clamp(1.4rem, 5.8vw, 2rem);
  line-height: 1.14;
  margin: 0.85rem auto 0.55rem;
  max-width: 19ch;
}
.intro--welcome .intro__sub { max-width: 24rem; }
.start-btn {
  margin-top: clamp(1.15rem, 4.5vw, 1.85rem);
}
.start-btn__arrow {
  font-size: 1.15em;
  transition: transform var(--t);
}
.start-btn:hover .start-btn__arrow { transform: translateX(0.2rem); }
.start-meta {
  margin: 0.9rem 0 0;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-mute);
}

/* ---------- Pergunta ---------- */
.q__kicker {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 0.5rem;
}
.q__title {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: clamp(1.25rem, 5.4vw, 1.6rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0 0 clamp(0.9rem, 3.5vw, 1.3rem);
  color: var(--ink);
  text-wrap: balance;
}

/* ---------- Opções ---------- */
.options {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.option {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  width: 100%;
  text-align: left;
  padding: clamp(0.8rem, 3.2vw, 1.05rem) clamp(0.95rem, 3.6vw, 1.2rem);
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--ink);
  font-size: clamp(0.95rem, 3.7vw, 1.02rem);
  font-weight: 600;
  cursor: pointer;
  transition:
    border-color var(--t),
    background var(--t),
    transform 120ms ease,
    box-shadow var(--t);
}
.option:hover {
  border-color: var(--primary);
  background: var(--primary-softer);
}
.option:active { transform: scale(0.985); }
.option:focus-visible {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-soft);
}
.option__tick {
  flex: 0 0 auto;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  border: 2px solid var(--line-strong);
  display: grid;
  place-items: center;
  transition: all var(--t);
}
.option__tick svg {
  width: 0.8rem; height: 0.8rem;
  stroke: #fff;
  stroke-width: 3.2;
  fill: none;
  opacity: 0;
  transform: scale(0.4);
  transition: all var(--t);
}
.option__label { flex: 1; }

/* Estado selecionado + animação */
.option.is-selected {
  border-color: var(--primary);
  background: var(--primary-soft);
  box-shadow: var(--shadow-lg);
}
.option.is-selected .option__tick {
  background: var(--primary);
  border-color: var(--primary);
}
.option.is-selected .option__tick svg { opacity: 1; transform: scale(1); }
@keyframes pop {
  0% { transform: scale(1); }
  45% { transform: scale(1.025); }
  100% { transform: scale(1); }
}
.option.is-selected { animation: pop 260ms ease; }

/* Botão voltar */
.back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: clamp(0.85rem, 3vw, 1.2rem);
  padding: 0.5rem 0.25rem;
  background: none;
  border: none;
  color: var(--ink-mute);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--t);
}
.back:hover { color: var(--primary); }
.back svg { width: 1rem; height: 1rem; }

/* ---------- Formulário final ---------- */
.form__head { text-align: center; margin-bottom: clamp(1rem, 4vw, 1.5rem); }
.form__icon {
  width: 2.85rem; height: 2.85rem;
  margin: 0 auto 0.7rem;
  display: grid; place-items: center;
  border-radius: 0.9rem;
  background: var(--primary-soft);
}
.form__icon svg { width: 1.6rem; height: 1.6rem; stroke: var(--primary); fill: none; stroke-width: 2; }
.form__title {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  font-size: clamp(1.4rem, 6vw, 1.8rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.4rem;
}
.form__sub { color: var(--ink-soft); font-size: clamp(0.92rem, 3.7vw, 1rem); margin: 0; }

.field { margin-bottom: 0.8rem; }
.field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 0.4rem;
}
.field label .opt { color: var(--ink-mute); font-weight: 500; }
.field input {
  width: 100%;
  padding: clamp(0.9rem, 3.8vw, 1.05rem) 1rem;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  background: #fff;
  transition: border-color var(--t), box-shadow var(--t);
  -webkit-appearance: none;
}
.field input::placeholder { color: var(--ink-mute); font-weight: 400; }
.field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-soft);
}
.field input.invalid {
  border-color: #e2495c;
  box-shadow: 0 0 0 4px rgba(226, 73, 92, 0.12);
}
.field .error {
  display: none;
  margin-top: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: #d23a4d;
}
.field.show-error .error { display: block; }

/* Botão de envio */
.submit {
  width: 100%;
  margin-top: 0.5rem;
  padding: clamp(1rem, 4.4vw, 1.2rem);
  border: none;
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: clamp(1rem, 4vw, 1.1rem);
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(25, 118, 210, 0.32);
  transition: transform 150ms ease, box-shadow var(--t), opacity var(--t);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}
.submit:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(25, 118, 210, 0.4); }
.submit:active { transform: translateY(0); }
.submit[disabled] { opacity: 0.75; cursor: not-allowed; transform: none; }
.submit__spinner {
  width: 1.15rem; height: 1.15rem;
  border: 2.5px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  border-radius: 50%;
  display: none;
  animation: spin 700ms linear infinite;
}
.submit.is-loading .submit__spinner { display: block; }
.submit.is-loading .submit__text { opacity: 0.85; }
@keyframes spin { to { transform: rotate(360deg); } }

.form__note {
  margin-top: 0.85rem;
  text-align: center;
  font-size: 0.78rem;
  color: var(--ink-mute);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}
.form__note svg { width: 0.9rem; height: 0.9rem; stroke: var(--ink-mute); fill: none; stroke-width: 2; }

/* ---------- Tela de sucesso ---------- */
.success { text-align: center; padding: clamp(1.5rem, 6vw, 2.5rem) 1rem; }
.success__ring {
  width: clamp(5rem, 22vw, 6rem);
  height: clamp(5rem, 22vw, 6rem);
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(31, 164, 99, 0.12);
  animation: ring-pop 450ms cubic-bezier(0.22, 1.2, 0.4, 1) forwards;
}
@keyframes ring-pop {
  from { transform: scale(0.4); }
  to   { transform: scale(1); }
}
.success__ring svg {
  width: 45%; height: 45%;
  stroke: var(--success);
  fill: none;
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 30;
  stroke-dashoffset: 0;
  animation: draw 500ms 200ms ease forwards;
}
@keyframes draw { to { stroke-dashoffset: 0; } }
.success__title {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  font-size: clamp(1.4rem, 6vw, 1.8rem);
  margin: 0 0 0.5rem;
}
.success__sub { color: var(--ink-soft); margin: 0 auto; max-width: 22rem; }
.success__sub .wa { color: var(--success); font-weight: 700; }

/* ---------- Reduz movimento ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- Telas estreitas (iPhone SE) ---------- */
@media (max-width: 360px) {
  .screen { padding: 1.15rem; }
}

/* ---------- Telas baixas: comprime para caber sem rolagem ---------- */
@media (max-height: 720px) {
  .brand { margin-bottom: 0.55rem; }
  .step-label { margin-bottom: 0.5rem; }
  .screen { padding: 1.1rem 1.15rem; }
  .options { gap: 0.45rem; }
  .option { padding: 0.7rem 1rem; }
  .q__title { margin-bottom: 0.8rem; }
  .intro__title { margin: 0.6rem 0 0.4rem; }
  .trust { margin-top: 0.7rem; }
  .start-btn { margin-top: 0.95rem; }
  .start-meta { margin-top: 0.6rem; }
  .form__icon { width: 2.5rem; height: 2.5rem; margin-bottom: 0.55rem; }
  .field { margin-bottom: 0.65rem; }
}

@media (max-height: 600px) {
  .start-meta { display: none; }
  .intro--welcome .intro__title { font-size: clamp(1.25rem, 5.4vw, 1.6rem); }
  .option { padding: 0.6rem 0.95rem; }
}