/* RuhrFutur-Blöcke: gemeinsame Bausteine (Container, Überschriften, Farbklassen) */

.rf-container {
  width: 100%;
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 50px;
  box-sizing: border-box;
}
.rf-section {
  padding: 120px 0;
  position: relative;
}
.rf-bg-grey {
  background-color: var(--light-grey);
}
.rf-heading {
  font-size: 60px;
  line-height: 1.15;
  font-weight: 300;
  color: var(--navy);
  margin-bottom: 40px;
}
.rf-heading strong {
  font-weight: 700;
}
.rf-lead {
  font-size: 26px;
  line-height: 1.45;
  color: var(--navy);
  max-width: 640px;
  margin-bottom: 70px;
}
.rf-color-green  { --rf-color: var(--green); }
.rf-color-cyan   { --rf-color: var(--cyan); }
.rf-color-purple { --rf-color: var(--purple); }
.rf-color-navy   { --rf-color: var(--navy); }
.rf-color-royal  { --rf-color: var(--royal); }
.rf-section .btn-wrapper,
.rf-image-box .btn-wrapper,
.rf-contact .btn-wrapper {
  margin-bottom: 0;
}
.rf-arrow-link {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--navy);
  text-decoration: none;
}
.rf-arrow-link::after {
  content: "→";
  -webkit-transition: -webkit-transform 0.2s;
  transition: transform 0.2s;
}
.rf-arrow-link:hover::after {
  -webkit-transform: translateX(4px);
          transform: translateX(4px);
}
@media (max-width: 991px) {
  .rf-section {
    padding: 80px 0;
  }
  .rf-heading {
    font-size: 42px;
  }
}
@media (max-width: 767px) {
  .rf-container {
    padding: 0 25px;
  }
  .rf-section {
    padding: 60px 0;
  }
  .rf-heading {
    font-size: 34px;
    margin-bottom: 25px;
  }
  .rf-lead {
    font-size: 21px;
    margin-bottom: 40px;
  }
}