/* SEÇÃO 7 — O mecanismo ====================================================
   Direção visual: diagnóstico cinético. Uma malha azul reage ao ponteiro e
   reforça a ideia de precisão, enquanto os cards permanecem como primeiro
   plano funcional. */

.mecanismo {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--navy-950);
}

.mecanismo__kinetic {
  position: absolute;
  inset: 0;
  z-index: -1;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.mecanismo > .container {
  position: relative;
  z-index: 1;
}

.mecanismo .section__head {
  max-width: 58rem;
  margin-bottom: clamp(2.5rem, 1.7rem + 4vw, 5rem);
}

.mecanismo .section__head .lede {
  max-width: 48rem;
}

.mecanismo-carousel {
  --card-width: clamp(16.5rem, 23vw, 19rem);
  --card-height: 11.25rem;
  --card-light: #25d366;
  --card-light-active: #36df76;
  --card-ink: #032819;
  --card-ink-soft: #07492e;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(100%, 76rem);
  margin-inline: auto;
  outline: none;
  touch-action: pan-y;
}

.mecanismo-carousel:focus-visible {
  border-radius: var(--radius-xl);
  box-shadow: 0 0 0 3px rgba(111, 163, 218, 0.65);
}

.mecanismo-carousel__track {
  position: relative;
  width: 100%;
  height: clamp(27rem, 42vw, 31.5rem);
  isolation: isolate;
}

.mecanismo-card {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: var(--carousel-z, 1);
  width: var(--card-width);
  min-height: var(--card-height);
  padding: 1.35rem 1.4rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-4);
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 1.15rem;
  background:
    linear-gradient(145deg, rgba(63, 229, 128, 0.99), rgba(37, 211, 102, 0.98)),
    var(--card-light);
  color: var(--card-ink);
  text-align: left;
  opacity: var(--carousel-opacity, 1);
  box-shadow:
    0 0.7rem 2rem rgba(0, 8, 18, 0.3);
  backdrop-filter: blur(12px);
  transform:
    translate(-50%, -50%)
    translate(var(--carousel-x, 0), var(--carousel-y, 0))
    scale(var(--carousel-scale, 1));
  transform-origin: center;
  transition:
    transform 650ms var(--ease-out),
    opacity 650ms var(--ease-out),
    border-color 300ms ease,
    box-shadow 300ms ease;
  cursor: pointer;
}

.mecanismo-card::after {
  content: '';
  position: absolute;
  inset: auto -20% -72% 20%;
  height: 8rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  filter: blur(18px);
  pointer-events: none;
}

.mecanismo-card:hover {
  border-color: transparent;
  box-shadow:
    0 1rem 2.8rem rgba(0, 8, 18, 0.4),
    0 0 2rem rgba(37, 211, 102, 0.22);
}

.mecanismo-card:focus-visible {
  border-color: transparent;
  outline: 3px solid rgba(111, 163, 218, 0.34);
  outline-offset: 3px;
}

.mecanismo-card.is-active {
  border-color: transparent;
  background:
    linear-gradient(145deg, #51e78b, var(--card-light-active)),
    var(--card-light-active);
  box-shadow:
    0 1.25rem 3.75rem rgba(0, 8, 18, 0.52),
    0 0 2.75rem rgba(37, 211, 102, 0.30);
}

.mecanismo-card__tag {
  position: relative;
  z-index: 1;
  padding: 0.3rem 0.6rem;
  border: 1px solid rgba(5, 36, 64, 0.14);
  border-radius: var(--radius-pill);
  background: var(--navy-800);
  color: #ffffff;
  font-size: 0.65rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}

.mecanismo-card.is-active .mecanismo-card__tag {
  background: var(--navy-500);
  color: #ffffff;
}

.mecanismo-card__body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mecanismo-card__body strong {
  color: var(--card-ink);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.16;
  transition: color 300ms ease, font-size 300ms ease;
}

.mecanismo-card__body span {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  color: var(--card-ink-soft);
  font-size: 0.82rem;
  line-height: 1.38;
  transition: color 300ms ease;
}

.mecanismo-card.is-active .mecanismo-card__body strong {
  color: var(--card-ink);
  font-size: 1.16rem;
}

.mecanismo-card.is-active .mecanismo-card__body span {
  color: var(--card-ink-soft);
}

.mecanismo-carousel__centro {
  position: absolute;
  left: 50%;
  top: 61%;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translate(-50%, -50%);
  transition: opacity 300ms ease;
  pointer-events: none;
}

.mecanismo-carousel__centro > span {
  color: #ffffff;
  font-size: clamp(3.2rem, 5.8vw, 5.15rem);
  font-weight: 750;
  line-height: 0.92;
  letter-spacing: -0.06em;
  text-shadow: 0 0.75rem 2.5rem rgba(0, 8, 18, 0.58);
}

.mecanismo-carousel__controles {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  margin-top: -1.25rem;
}

.mecanismo-carousel__controles > button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid rgba(111, 163, 218, 0.22);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.055);
  color: rgba(244, 248, 251, 0.72);
  box-shadow: 0 0.45rem 1.25rem rgba(0, 8, 18, 0.2);
  backdrop-filter: blur(10px);
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
  cursor: pointer;
}

.mecanismo-carousel__controles > button:hover {
  color: var(--sand-100);
  background: rgba(111, 163, 218, 0.15);
  transform: scale(1.08);
}

.mecanismo-carousel__controles > button:active { transform: scale(0.95); }

.mecanismo-carousel__controles > button:focus-visible,
.mecanismo-carousel__pontos button:focus-visible {
  outline: 2px solid var(--navy-300);
  outline-offset: 3px;
}

.mecanismo-carousel__controles svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.mecanismo-carousel__pontos {
  display: flex;
  align-items: center;
  gap: 0.05rem;
}

.mecanismo-carousel__pontos button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  padding: 0;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  transition: width 300ms var(--ease-out);
  cursor: pointer;
}

.mecanismo-carousel__pontos button::before {
  content: '';
  width: 0.42rem;
  height: 0.42rem;
  border-radius: var(--radius-pill);
  background: rgba(214, 229, 245, 0.22);
  transition: width 300ms var(--ease-out), background 300ms ease;
}

.mecanismo-carousel__pontos button:hover::before {
  background: rgba(214, 229, 245, 0.46);
}

.mecanismo-carousel__pontos button.is-active {
  width: 2.4rem;
}

.mecanismo-carousel__pontos button.is-active::before {
  width: 1.55rem;
  background: var(--navy-300);
}

/* Fechamento de conversão: uma ação única, sem competir com os cards. */
.mecanismo__cta {
  display: flex;
  justify-content: center;
  margin: var(--sp-9) auto 0;
  max-width: 28rem;
}

.mecanismo__cta .btn {
  width: 100%;
}

/* -------------------------------------------------------------- CELULAR */

@media (max-width: 55.99rem) {
  .mecanismo-carousel {
    --card-width: clamp(14.5rem, 31vw, 17rem);
  }

  .mecanismo-carousel__track {
    height: 27rem;
  }
}

@media (max-width: 47.99rem) {
  .mecanismo .section__head {
    margin-bottom: var(--sp-6);
  }

  .mecanismo-carousel {
    --card-width: min(20rem, calc(100vw - 3rem));
    --card-height: 11.25rem;
  }

  .mecanismo-carousel__track {
    height: 23rem;
  }

  .mecanismo-card {
    top: 39%;
  }

  .mecanismo-card:not(.is-active) {
    pointer-events: none;
  }

  .mecanismo-carousel__centro {
    top: 79%;
  }

  .mecanismo-carousel__centro > span {
    font-size: 2.5rem;
  }

  .mecanismo-carousel__controles {
    margin-top: -0.4rem;
  }

  .mecanismo__cta {
    margin-top: var(--sp-8);
  }
}

@media (prefers-reduced-motion: reduce) {
  .mecanismo-card,
  .mecanismo-carousel__pontos button,
  .mecanismo-carousel__controles > button {
    transition-duration: 0.01ms !important;
  }
}