/* ============================================================
   IA no Negócio — Prova C.2 (design system piloto)
   Tema escuro · acento violeta · tipografia mono (JetBrains)
   Grupos com cabeçalho fixo + telas de conteúdo deslizantes
   ============================================================ */

/* ---------- Fontes (locais, zero dependência) ---------- */
@font-face {
  font-family: "JetBrainsMono NF";
  src: url("../assets/fonts/JetBrainsMonoNerdFontMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrainsMono NF";
  src: url("../assets/fonts/JetBrainsMonoNerdFontMono-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../assets/fonts/JetBrainsMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../assets/fonts/JetBrainsMono-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../assets/fonts/JetBrainsMono-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  /* cores */
  --bg: #0d0a14;
  --surface: #181026;
  --surface-2: #211536;
  --border: #2e2249;
  --text: #f1edf8;
  --text-2: #b6abce;
  --text-3: #8b7fa8;
  --accent: #a78bfa;
  --accent-strong: #7c3aed;
  --good: #4ade80;
  --bad: #f87171;
  --grad-accent: linear-gradient(135deg, var(--accent-strong), var(--accent));

  /* tipografia */
  --font-display: "JetBrainsMono NF", ui-monospace, Menlo, Consolas, monospace;
  --font-body: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --mono: var(--font-body);

  /* forma e movimento */
  --radius: 16px;
  --radius-sm: 10px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 500ms;
}

/* ---------- Base ---------- */
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow: hidden;
}
/* ---------- Deck / tracks ---------- */
.deck {
  height: 100dvh;
  overflow: hidden;
  position: relative;
}
.track {
  display: flex;
  height: 100%;
  transition: transform var(--dur) var(--ease);
}
@media (prefers-reduced-motion: reduce) {
  .track {
    transition: none;
  }
}
.track--content {
  flex: 1;
  min-height: 0;
}

/* ---------- Grupo (cabeçalho fixo) ---------- */
.group {
  flex: 0 0 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--bg);
  overflow: hidden;
}
.group::before,
.group::after {
  content: "";
  position: absolute;
  width: 55vmax;
  height: 55vmax;
  border-radius: 50%;
  pointer-events: none;
}
.group::before {
  top: -25vmax;
  left: -18vmax;
  background: radial-gradient(
    circle,
    rgba(124, 58, 237, 0.14) 0%,
    transparent 60%
  );
}
.group::after {
  bottom: -30vmax;
  right: -15vmax;
  background: radial-gradient(
    circle,
    rgba(167, 139, 250, 0.09) 0%,
    transparent 60%
  );
}

.group__head {
  flex: 0 0 auto;
  position: relative;
  z-index: 1;
  padding: clamp(2rem, 5vh, 3.5rem) clamp(1.5rem, 3vw, 4rem) 0;
}
.kicker-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.8rem;
}
.kicker {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.3vw, 1.25rem);
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.3vw, 1.25rem);
  font-weight: 500;
  color: var(--text-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.5em 1.2em;
  white-space: nowrap;
}
.nf {
  font-family: var(--font-display);
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 7.2vw, 7.8rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0;
  margin: 0;
}

/* ---------- Tela (conteúdo deslizante) ---------- */
.screen {
  flex: 0 0 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 1;
  padding: clamp(1.2rem, 3vh, 2.4rem) clamp(1.5rem, 3vw, 4rem)
    clamp(2rem, 5vh, 3.5rem);
  min-height: 0;
  overflow: hidden;
}
/* Última tela (encerramento) precisa caber em 1080p: evita truncamento */
.group:last-child .screen {
  justify-content: flex-start;
  overflow-y: auto;
  scrollbar-width: none;
}
.group:last-child .screen::-webkit-scrollbar { display: none; }
.group:last-child .qr__img { width: min(520px, 42vh); }
.lead {
  font-family: var(--font-body);
  font-size: clamp(1.35rem, 2.2vw, 1.9rem);
  font-weight: 400;
  line-height: 1.55;
  color: var(--text-2);
  max-width: 48ch;
  margin: 0 0 2.6rem;
}

/* ---------- Passos (tela 1) ---------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.05rem;
}
.step {
  display: flex;
  align-items: flex-start;
  gap: 1.3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.15rem 1.6rem;
}
.step__num {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 2.9rem;
  height: 2.9rem;
  border-radius: 50%;
  background: var(--grad-accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}
.step__txt {
  font-family: var(--font-body);
  font-size: clamp(1.25rem, 1.8vw, 1.7rem);
  line-height: 1.45;
  margin: 0;
  padding-top: 0.2em;
}
.step__txt strong {
  color: var(--accent);
  font-weight: 700;
}

/* ---------- Duo: receita + QR (tela 2) ---------- */
.duo {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(2rem, 3vw, 4rem);
  align-items: start;
  width: 100%;
}

.recipe {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.8rem 2rem;
}
.recipe__label {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.1vw, 1.1rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.1rem;
}
.recipe__txt {
  font-family: var(--mono);
  font-size: clamp(1.2rem, 1.7vw, 1.5rem);
  font-weight: 500;
  line-height: 1.8;
  margin: 0;
  white-space: pre-wrap;
}
.recipe__bullets {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.recipe__bullets li {
  position: relative;
  padding-left: 1.6rem;
  font-family: var(--mono);
  font-size: clamp(1.2rem, 1.7vw, 1.5rem);
  font-weight: 500;
  line-height: 1.7;
}
.recipe__bullets li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.field {
  color: var(--accent);
  text-decoration: underline dotted;
  text-underline-offset: 5px;
}

/* QR */
.qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.4rem 1.3rem;
}
.qr__img {
  width: min(800px, 58vh);
  aspect-ratio: 1;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 12px;
}
.qr__img img {
  display: block;
  width: 100%;
  height: 100%;
}
.qr__caption {
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 1.4vw, 1.35rem);
  color: var(--text-2);
  margin: 0;
}
.qr__caption .nf {
  color: var(--accent);
}

/* ---------- Novos componentes (deck completo) ---------- */
.meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
.meta-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.2rem 1.4rem;
}
.meta-label {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(0.85rem, 1vw, 1rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.meta-value {
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 1.4vw, 1.35rem);
  line-height: 1.5;
  color: var(--text-2);
}
.info-card,
.alert-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.8rem;
}
.alert-card {
  border-left: 3px solid var(--bad);
}
.info-card__label,
.alert-card__label {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.1vw, 1.1rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.8rem;
}
.alert-card__label { color: var(--bad); }
.info-card__txt,
.alert-card__txt {
  font-family: var(--font-body);
  font-size: clamp(1.15rem, 1.6vw, 1.5rem);
  line-height: 1.6;
  margin: 0;
  color: var(--text);
}
.compare {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(1.2rem, 2.5vw, 2.2rem);
}
.compare__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.8rem;
}
.compare__card--bad { border-left: 3px solid var(--bad); }
.compare__card--good { border-left: 3px solid var(--accent); }
.compare__label {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.1vw, 1.1rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 0.8rem;
}
.compare__card--bad .compare__label { color: var(--bad); }
.compare__card--good .compare__label { color: var(--accent); }
.compare__txt {
  font-family: var(--mono);
  font-size: clamp(1.05rem, 1.5vw, 1.4rem);
  line-height: 1.7;
  margin: 0;
  white-space: pre-wrap;
}
.prompt-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}
.prompt-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.4rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.prompt-card__num {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: var(--grad-accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}
.prompt-card__label {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.3vw, 1.25rem);
  font-weight: 700;
  color: var(--accent);
}
.prompt-card__txt {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.3vw, 1.25rem);
  line-height: 1.5;
  color: var(--text-2);
}
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.6rem;
}
.tool-card__label {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.3vw, 1.25rem);
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 1rem;
}
.tool-card__free,
.tool-card__paid {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.2vw, 1.2rem);
  line-height: 1.6;
  margin: 0 0 0.5rem;
}
.tool-card__free { color: var(--text); }
.tool-card__paid { color: var(--text-3); }

/* ---------- Mobile: coluna única, centralizada ---------- */
@media (max-width: 900px) {
  .group__head {
    text-align: center;
  }
  .kicker-row {
    justify-content: center;
  }
  .screen {
    justify-content: flex-start;
    overflow-y: auto;
  }
  .lead {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }
  .duo {
    grid-template-columns: 1fr;
    max-width: 34rem;
    margin: 0 auto;
  }
  .qr__img {
    width: min(320px, 70vw);
  }
  .meta-grid,
  .tool-grid,
  .prompt-grid,
  .compare {
    grid-template-columns: 1fr;
  }
}

/* ---------- UI de navegação ---------- */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: rgba(167, 139, 250, 0.15);
  z-index: 10;
}
.progress__bar {
  height: 100%;
  background: var(--grad-accent);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform var(--dur) var(--ease);
}
.deck__footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem clamp(1.25rem, 3vw, 2.25rem);
  z-index: 10;
}
.hint {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-3);
  margin: 0;
}
.nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.nav__btn {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color 150ms var(--ease), color 150ms var(--ease);
}
.nav__btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.counter {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}
@media (max-width: 600px) {
  .hint {
    display: none;
  }
}