.signature-thread {
  padding: 0 0 clamp(34px, 5vw, 60px);
}

.signature-thread-card {
  display: grid;
  grid-template-columns: minmax(210px, 0.32fr) minmax(0, 0.68fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: start;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid rgba(221, 214, 202, 0.92);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(141, 111, 104, 0.055), transparent 42%),
    rgba(255, 254, 249, 0.82);
}

.signature-thread-kicker {
  margin: 0 0 13px;
  color: var(--sage-dark);
  font-size: 0.74rem;
  font-weight: 780;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.signature-thread-title {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.45rem);
  font-weight: 500;
  line-height: 1.04;
}

.signature-thread-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: thread;
}

.signature-thread-steps li {
  position: relative;
  counter-increment: thread;
  min-height: 132px;
  padding: 16px 18px 0;
  border-top: 1px solid rgba(77, 90, 73, 0.24);
  color: #4f554d;
  font-size: 0.92rem;
}

.signature-thread-steps li + li {
  border-left: 1px solid rgba(221, 214, 202, 0.82);
}

.signature-thread-steps li::before {
  content: counter(thread, decimal-leading-zero);
  display: block;
  margin-bottom: 18px;
  color: var(--rose-clay, #8d6f68);
  font-family: var(--font-serif);
  font-size: 1.18rem;
  line-height: 1;
}

.signature-thread-steps strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 0.78rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.footer-signature {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(221, 214, 202, 0.78);
  color: var(--sage-dark);
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2vw, 1.48rem);
  line-height: 1.25;
}

@media (max-width: 900px) {
  .signature-thread-card,
  .signature-thread-steps {
    grid-template-columns: 1fr;
  }

  .signature-thread-steps li {
    min-height: 0;
    padding: 16px 0;
  }

  .signature-thread-steps li + li {
    border-left: 0;
  }
}