.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.75rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  color: #fffdfa;
  background: var(--text);
}

.button--secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.58);
}

.section-block,
.section-grid,
.contact-panel,
.error-panel {
  padding: clamp(3rem, 7vw, 5.5rem) 1.5rem;
}

.section-block__inner,
.section-grid__inner,
.contact-panel__inner,
.error-panel__inner {
  width: min(100%, var(--max-width));
  margin: 0 auto;
}

.section-block__label,
.section-grid__label,
.contact-panel__label {
  margin: 0 0 0.6rem;
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-block__title,
.section-grid__title,
.contact-panel__title,
.error-panel__title {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
}

.section-block__text,
.contact-panel__text,
.error-panel__text {
  max-width: 44rem;
  margin: 1rem 0 0;
  color: var(--muted);
}

.section-grid__cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.process-card {
  padding: 1.4rem;
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  box-shadow: var(--shadow);
}

.process-card__number {
  margin: 0;
  color: var(--accent);
  font-size: 0.88rem;
  letter-spacing: 0.12em;
}

.process-card__title {
  margin: 0.5rem 0 0;
  font-size: 1.15rem;
}

.process-card__text {
  margin: 0.75rem 0 0;
  color: var(--muted);
}

.contact-panel__inner,
.error-panel__inner {
  padding: clamp(1.8rem, 5vw, 2.6rem);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(255, 253, 250, 0.95));
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  box-shadow: var(--shadow);
}

.error-panel__code {
  margin: 0;
  color: var(--accent);
  letter-spacing: 0.16em;
}

@media (max-width: 800px) {
  .section-grid__cards {
    grid-template-columns: 1fr;
  }
}