/* ============================================================
   DVIZ INFINITE — Landing Page
   Dark premium theme · mobile-first
   ============================================================ */

:root {
  --bg: #0e1017;
  --bg-2: #141621;
  --card: rgba(255, 255, 255, 0.05);
  --card-solid: #191b26;
  --border: rgba(255, 255, 255, 0.09);
  --text: #f5f6fa;
  --text-dim: #9b9daf;
  --blue: #38b6ff;
  --purple: #8a3ffc;
  --pink: #ff2e93;
  --grad: linear-gradient(96deg, var(--blue) 0%, var(--purple) 52%, var(--pink) 100%);
  --font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 20px;
  --max-w: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

h1, h2, h3, .btn { font-family: var(--font-display); }

/* Gradient text helper */
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============ Scroll reveal ============
   O estado oculto só é aplicado quando o JS está ativo (html.js),
   garantindo que a página nunca fique invisível sem JavaScript. */
.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============ Topbar ============ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(14, 16, 23, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.topbar__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.topbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}
.topbar__logo { width: 38px; height: auto; }
.topbar__word {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}
.topbar__word strong { font-weight: 700; }

/* ============ Seletor de idioma ============
   Flutua logo abaixo da topbar, alinhado à direita (mesma
   vertical do botão de compra). Acompanha o header sticky. */
.lang-switch {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: min(100%, var(--max-w));
  padding: 8px 20px 0;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  pointer-events: none;
}
.lang-switch__item {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 1.05rem;
  line-height: 1;
  text-decoration: none;
  background: rgba(14, 16, 23, 0.82);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0.65;
  transition: opacity 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.lang-switch__item:hover {
  opacity: 1;
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.3);
}
.lang-switch__item.is-active {
  opacity: 1;
  border-color: rgba(138, 63, 252, 0.75);
}

/* ============ Buttons ============ */
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  border-radius: 999px;
  padding: 15px 30px;
  font-size: 1rem;
  letter-spacing: -0.01em;
  text-align: center;
  transition: transform 0.16s ease, box-shadow 0.25s ease, background-color 0.2s ease;
}
.btn--primary {
  position: relative;
  background: var(--grad);
  color: #fff;
  box-shadow:
    0 10px 34px -8px rgba(138, 63, 252, 0.55),
    0 4px 16px -6px rgba(255, 46, 147, 0.4);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 16px 44px -8px rgba(138, 63, 252, 0.7),
    0 8px 22px -6px rgba(255, 46, 147, 0.55);
}
.btn--primary:active { transform: scale(0.98); }
.btn--outline {
  border: 1px solid var(--border);
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.03);
  font-weight: 500;
}
.btn--outline:hover { color: var(--text); border-color: rgba(255,255,255,0.25); }
.btn--ghost {
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}
.btn--ghost:hover { border-color: rgba(255,255,255,0.3); }
.btn--sm { padding: 9px 18px; font-size: 0.85rem; }
.btn--xl { padding: 18px 42px; font-size: 1.08rem; }
.btn--block { display: block; width: 100%; }

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 92svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 72px 20px 64px;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url("assets/hero.jpg");
  background-size: cover;
  background-position: center 30%;
  opacity: 0.5;
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 110%, rgba(138, 63, 252, 0.28), transparent 55%),
    linear-gradient(180deg, rgba(14,16,23,0.82) 0%, rgba(14,16,23,0.55) 40%, var(--bg) 96%);
}
.hero__inner {
  position: relative;
  max-width: 760px;
}
.hero__logo {
  width: clamp(150px, 34vw, 210px);
  height: auto;
  margin: 0 auto 26px;
}
.badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #d9c8ff;
  background: rgba(138, 63, 252, 0.14);
  border: 1px solid rgba(138, 63, 252, 0.4);
  border-radius: 999px;
  padding: 8px 18px;
  margin: 0 0 22px;
  backdrop-filter: blur(6px);
}
.hero__title {
  font-size: clamp(2.1rem, 8vw, 3.7rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.06;
  margin: 0 0 20px;
  text-wrap: balance;
}
.hero__subtitle {
  color: var(--text-dim);
  font-size: clamp(0.98rem, 2.6vw, 1.12rem);
  max-width: 58ch;
  margin: 0 auto 30px;
}
.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 42px;
}

/* Stats */
.stats {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 0;
  flex-wrap: wrap;
}
.stats__item {
  min-width: 104px;
  padding: 14px 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.stats__item dt {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stats__item dd {
  margin: 2px 0 0;
  font-size: 0.74rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============ Sections ============ */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 74px 20px;
}
.section__head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 44px;
}
.kicker {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 12px;
}
.kicker::before {
  content: "— ";
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section__title {
  font-size: clamp(1.6rem, 5.4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 0 0 14px;
  text-wrap: balance;
}
.section__lead {
  color: var(--text-dim);
  font-size: 0.98rem;
  margin: 0 auto;
  max-width: 56ch;
}

/* ============ Grids de cursos, packs e destaques ============
   Flex com wrap para que uma última linha incompleta
   fique centralizada em vez de alinhada à esquerda. */
.course-grid,
.feat-grid,
.pack-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.course-grid > *,
.feat-grid > *,
.pack-list > * { flex: 0 0 100%; }

.tile {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--card-solid);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.tile--feat { border-color: rgba(138, 63, 252, 0.4); }
.tile--feat .tile__tag {
  background: none;
  -webkit-text-fill-color: #d9c8ff;
  color: #d9c8ff;
}
.tile:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 50px -18px rgba(138, 63, 252, 0.45);
}
.tile img {
  width: 100%;
  height: auto;
}
.tile__body {
  flex: 1;
  padding: 14px 16px 18px;
}
.tile__tag {
  display: inline-block;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 6px;
}
.tile__body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 5px;
}
.tile__body p {
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--text-dim);
  margin: 0;
}

/* ============ Packs ============ */
.pack-row {
  display: flex;
  align-items: center;
  gap: 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--card);
  padding: 14px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.pack-row:hover {
  transform: translateY(-3px);
  border-color: rgba(138, 63, 252, 0.6);
}
.pack-row img {
  width: 108px;
  height: auto;
  border-radius: 10px;
  flex-shrink: 0;
}
.pack-row__body h3 {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 6px;
}
.pack-row__body p {
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--text-dim);
  margin: 0;
}

/* ============ Who ============ */
.section--who {
  position: relative;
}
.who-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}
.who-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  padding: 26px 24px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.who-card:hover {
  border-color: rgba(138, 63, 252, 0.5);
  transform: translateY(-4px);
}
.who-card__icon {
  font-size: 0.9rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 12px;
}
.who-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 8px;
}
.who-card p {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin: 0;
}

/* ============ FAQ ============ */
.section--faq { max-width: 780px; }
.faq {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq details {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  overflow: hidden;
  transition: border-color 0.25s ease;
}
.faq details[open] { border-color: rgba(138, 63, 252, 0.5); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 48px 18px 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.96rem;
  letter-spacing: -0.01em;
  position: relative;
  user-select: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text-dim);
  transition: transform 0.25s ease, color 0.25s ease;
}
.faq details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
  color: var(--pink);
}
.faq details p {
  margin: 0;
  padding: 0 20px 20px;
  font-size: 0.88rem;
  color: var(--text-dim);
}

/* ============ Final CTA ============ */
.section--final { padding-top: 30px; }
.final-card {
  position: relative;
  border-radius: 28px;
  padding: 48px 26px;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% -20%, rgba(138, 63, 252, 0.3), transparent 60%),
    radial-gradient(ellipse at 50% 130%, rgba(255, 46, 147, 0.18), transparent 60%),
    var(--bg-2);
  border: 1px solid transparent;
  background-clip: padding-box;
  overflow: hidden;
}
.final-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 28px;
  padding: 1px;
  background: linear-gradient(120deg, rgba(56,182,255,0.6), rgba(138,63,252,0.6), rgba(255,46,147,0.6));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.final-card__logo {
  width: 130px;
  height: auto;
  margin: 0 auto 22px;
}
.final-card__title {
  font-size: clamp(1.5rem, 5.4vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.14;
  margin: 0 0 26px;
  text-wrap: balance;
}
.final-card__title em { font-style: italic; }
.final-card__list {
  list-style: none;
  margin: 0 auto 30px;
  padding: 0;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
}
.final-card__list li {
  position: relative;
  padding-left: 30px;
  font-size: 0.92rem;
  color: var(--text-dim);
}
.final-card__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.final-card__note {
  margin: 16px 0 0;
  font-size: 0.78rem;
  color: var(--text-dim);
}
.final-card__img { display: none; }

/* Preço */
.final-card__price { margin: 0 0 28px; }
.price-from {
  display: block;
  font-size: 0.98rem;
  color: var(--text-dim);
}
.price-from s { opacity: 0.85; }
.price-label {
  display: block;
  margin-top: 8px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.price-value {
  display: block;
  margin-top: 2px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.3rem, 7vw, 3.1rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============ Footer ============ */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 44px 20px 130px;
}
.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}
.footer__brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer__brand img { width: 34px; height: auto; }
.footer__brand span {
  font-family: var(--font-display);
  font-size: 0.95rem;
}
.footer__tag {
  color: var(--text-dim);
  font-size: 0.84rem;
  max-width: 52ch;
  margin: 0 auto 18px;
}
.footer__legal {
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.75rem;
  margin: 0;
}

/* ============ Sticky mobile CTA ============ */
.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 70;
  padding: 10px 16px calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(0deg, rgba(14, 16, 23, 0.97) 55%, rgba(14, 16, 23, 0));
  transform: translateY(110%);
  transition: transform 0.3s ease;
}
.sticky-cta.is-visible { transform: translateY(0); }

/* ============ Tablet+ ============ */
@media (min-width: 640px) {
  .hero__actions { flex-direction: row; justify-content: center; }
  .who-grid { grid-template-columns: repeat(3, 1fr); }

  /* 3 por linha */
  .course-grid,
  .feat-grid,
  .pack-list { gap: 16px; }
  .course-grid > *,
  .feat-grid > *,
  .pack-list > * { flex: 0 0 calc((100% - 32px) / 3); }

  .final-card { padding: 60px 48px; }

  /* Packs viram cards verticais junto com o grid */
  .pack-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--card-solid);
  }
  .pack-row img {
    width: 100%;
    border-radius: 0;
  }
  .pack-row__body { padding: 14px 16px 18px; }
  .pack-row__body h3 { font-size: 1.05rem; margin-bottom: 5px; }
  .pack-row__body p { font-size: 0.75rem; line-height: 1.4; }
}

/* ============ Desktop ============ */
@media (min-width: 1024px) {
  .hero__bg { background-image: url("assets/hero-lg.jpg"); }
  .section { padding: 96px 20px; }
  /* 4 por linha — cards maiores; linha incompleta fica centralizada */
  .course-grid,
  .pack-list { gap: 20px; }
  .course-grid > *,
  .pack-list > * { flex: 0 0 calc((100% - 60px) / 4); }

  .feat-grid { gap: 22px; max-width: 900px; margin: 0 auto; }
  .feat-grid > * { flex: 0 0 calc((100% - 44px) / 3); }
  .sticky-cta { display: none; }
  .footer { padding-bottom: 44px; }

  /* CTA final: imagem de um lado, conteúdo do outro */
  .final-card {
    display: grid;
    grid-template-columns: minmax(280px, 360px) 1fr;
    gap: 56px;
    align-items: center;
    text-align: left;
    padding: 48px;
  }
  .final-card__img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 18px;
    border: 1px solid var(--border);
  }
  .final-card__logo { margin: 0 0 22px; }
  .final-card__list { margin: 0 0 30px; }
}