/* ============================================================
   NATANE GONÇALVES — signals.css  (card com foto no topo)
============================================================ */

/* ── SEÇÃO ── */
.signals {
  padding: var(--pad) 0 calc(var(--pad) * 0.6);
  background: var(--white);
  position: relative;
  overflow: hidden;
}

.signals::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(107, 143, 130, .07) 0%, transparent 70%);
  pointer-events: none;
}

/* ── CARROSSEL ── */
.signals__carousel {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  overflow: hidden;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}

.signals__carousel:active { cursor: grabbing; }

.signals__track {
  display: flex;
  gap: 1.25rem;
  transition: transform .45s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

/* ── CARD ── */
.signal-card {
  background: var(--white);
  border: 1px solid var(--ivory-deep);
  border-radius: var(--r-lg);
  overflow: hidden;
  flex: 0 0 calc((100% - 3 * 1.25rem) / 4);
  display: flex;
  flex-direction: column;
  position: relative;
  transition:
    transform   var(--tr),
    box-shadow  var(--tr),
    border-color var(--tr);
}

.signal-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 2.5px;
  background: linear-gradient(90deg, var(--sage), var(--warm-sand));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease-out);
}

.signal-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(107, 143, 130, .12);
  border-color: rgba(107, 143, 130, .3);
}

.signal-card:hover::after { transform: scaleX(1); }

/* ── FOTO NO TOPO ── */
.signal-card__img {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--ivory-dark);
  flex-shrink: 0;
}

.signal-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s var(--ease-out);
}

.signal-card:hover .signal-card__img img {
  transform: scale(1.06);
}

/* ── TEXTO ABAIXO ── */
.signal-card h3 {
  font-family: var(--sans);
  font-size: .88rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.35;
  padding: 1.1rem 1.2rem 1.3rem;
}

/* ── compat: icon legado ── */
.signal-card__icon { display: none; }

/* ── DOTS ── */
.signals__dots {
  display: flex;
  justify-content: center;
  gap: .5rem;
  margin-top: 2rem;
}

.signals__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ivory-deep);
  border: none; padding: 0;
  cursor: pointer;
  transition:
    background .3s ease,
    transform  .3s ease,
    width      .35s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.signals__dot:hover { background: var(--sage-dim); }

.signals__dot--active {
  background: var(--sage);
  width: 24px;
  border-radius: 4px;
}

/* ── RODAPÉ ── */
.signals__footer {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}

.signals__note {
  font-size: 1.05rem;
  color: var(--ink-dim);
  max-width: 52ch;
  line-height: 1.7;
  font-style: italic;
}

/* ── TRANSIÇÃO ── */
.signals-transition {
  background: linear-gradient(135deg, var(--sage-bg) 0%, var(--ivory-dark) 100%);
  padding: clamp(3rem, 6vw, 5rem) 0;
  position: relative;
}

.signals-transition::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%236b8f82' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.signals-transition__inner {
  position: relative;
  text-align: center;
  max-width: 56ch;
  margin-inline: auto;
}

.signals-transition__line {
  display: block;
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, transparent, var(--sage), transparent);
  margin: 0 auto 2rem;
}

.signals-transition__text {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  font-style: italic;
  color: var(--ink-mid);
  line-height: 1.65;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .signal-card { flex: 0 0 calc((100% - 2 * 1.25rem) / 3); }
}

@media (max-width: 720px) {
  .signal-card { flex: 0 0 calc((100% - 1.25rem) / 2); }
}

@media (max-width: 480px) {
  .signal-card { flex: 0 0 85%; }
}