/* ==========================================================================
   Contato: painel estilo "caderno" com chamada para o WhatsApp
   ========================================================================== */

.contact {
  padding-block: var(--space-section) calc(var(--space-section) * 0.7);
}

.contact__panel {
  --rule: 2.5rem; /* distância entre as linhas do caderno */
  --margin: clamp(1.25rem, 0.25rem + 4.5vw, 4.5rem); /* posição da margem violeta */
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--rule) * 2) clamp(1.25rem, 0.5rem + 4vw, 5rem) calc(var(--rule) * 2)
    calc(var(--margin) + clamp(1.25rem, 0.75rem + 2.5vw, 3.5rem));
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(60% 90% at 0% 0%, rgb(var(--c-violet) / 0.16), transparent 70%),
    var(--c-graphite);
}

/* Linhas horizontais do caderno, sumindo para a direita */
.contact__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgb(255 255 255 / 0.055) 1px, transparent 1px);
  background-position: 0 calc(var(--rule) - 1px);
  background-size: 100% var(--rule);
  -webkit-mask-image: linear-gradient(90deg, #000 15%, transparent 90%);
  mask-image: linear-gradient(90deg, #000 15%, transparent 90%);
}

/* Linha vertical da margem */
.contact__panel::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--margin);
  z-index: -1;
  width: 1px;
  background: linear-gradient(rgb(var(--c-violet) / 0.7), rgb(var(--c-violet) / 0.2));
}

.contact__title {
  max-width: 14ch;
  font-size: clamp(2.25rem, 1.5rem + 3.2vw, 4.25rem);
  font-weight: 640;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.contact__text {
  max-width: 34rem;
}

.contact__button {
  margin-top: 2.5rem;
}

/* ---------- Desenho decorativo (só em telas grandes) ---------- */

.contact__sketch {
  position: absolute;
  top: 50%;
  right: clamp(2rem, 4vw, 4.5rem);
  z-index: -1;
  display: none;
  width: min(30%, 22rem);
  transform: translateY(-50%);
}

.contact__sketch-line {
  stroke: #3a3a3a;
  stroke-width: 1.5px;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact__sketch-dashed {
  stroke-dasharray: 3 6;
}

.contact__sketch-fill {
  fill: #1f1f1f;
}

.contact__sketch-hi {
  stroke: #6b6b6b;
  stroke-width: 1.5px;
}

/* ---------- Responsivo ---------- */

@media (width < 30em) {
  .contact__button {
    width: 100%;
  }
}

@media (width < 24em) {
  .contact__panel {
    padding-right: 1.25rem;
    padding-left: calc(var(--margin) + 1rem);
  }
}

@media (width >= 72em) {
  .contact__sketch {
    display: block;
  }
}