.quick-nav {
  position: static;
  background: var(--off);
  border-bottom: 1px solid var(--line);
  padding: 0;
}

.qnav-inner {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.qnav-inner::-webkit-scrollbar {
  display: none;
}

.qnav-link {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--mute);
  padding: 16px 22px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: 0.18s;
  flex-shrink: 0;
}

.qnav-link:hover {
  color: var(--ink);
}

.qnav-link.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}
.leistung {
  padding: 78px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 20px;
}
.leistung.alt {
  background: var(--off);
}
.leistung-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.leistung-grid.rev {
  direction: rtl;
}
.leistung-grid.rev > * {
  direction: ltr;
}
.leistung-img {
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
}
.leistung-img img {
  width: 100%;
  height: 550px;
  object-fit: cover;
  transition: 0.45s;
}
.leistung-img:hover img {
  transform: scale(1.03);
}
.leistung-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--blue);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 5px;
}
.leistung-num {
  font-family: var(--fm);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--mute2);
  margin-bottom: 10px;
}
.leistung-content h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 16px;
}
.leistung-content p {
  font-size: 0.96rem;
  color: var(--ink2);
  line-height: 1.72;
  margin-bottom: 14px;
}
.surf-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}
.surf {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 13px;
  border-radius: 20px;
  background: var(--blue-soft);
  color: var(--blue);
  border: 1px solid var(--blue-soft2);
}
.specs {
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  margin: 20px 0;
}
.specs-title {
  background: var(--off2);
  padding: 10px 16px;
  font-family: var(--fm);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
}
.spec-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
}
.spec-row:last-child {
  border-bottom: none;
}
.spec-k {
  color: var(--mute);
  flex-shrink: 0;
}
.spec-v {
  color: var(--ink);
  font-weight: 600;
  text-align: right;
}
.verfahren {
  padding: 80px 0;
  background: var(--bg);
}
.verf-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.verf-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
  background: var(--card);
  transition: 0.2s;
}
.verf-card:hover {
  box-shadow: 0 12px 36px var(--shadow);
  transform: translateY(-3px);
  border-color: var(--blue-soft2);
}
.verf-tag {
  display: inline-block;
  font-family: var(--fm);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-soft);
  padding: 5px 11px;
  border-radius: 5px;
  margin-bottom: 14px;
}
.verf-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}
.verf-card p {
  font-size: 0.9rem;
  color: var(--ink2);
  line-height: 1.65;
}
.verf-benefit {
  font-size: 0.85rem;
  color: var(--ink);
  background: var(--off);
  border-left: 3px solid var(--blue);
  padding: 10px 14px;
  border-radius: 0 6px 6px 0;
  margin-top: 12px;
}
.verf-benefit strong {
  color: var(--blue);
}
.normen {
  padding: 80px 0;
  background: var(--dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.normen::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(69, 154, 240, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(69, 154, 240, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
}
.normen .wrap {
  position: relative;
  z-index: 1;
}
.normen .sh {
  color: #fff;
}
.norm-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 8px;
}
.norm-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(69, 154, 240, 0.18);
  border-radius: var(--r);
  padding: 22px;
  transition: 0.2s;
}
.norm-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(69, 154, 240, 0.4);
}
.norm-tag {
  font-family: var(--fm);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-l);
  margin-bottom: 8px;
}
.norm-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 5px;
}
.norm-desc {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.55;
}
@media (max-width: 980px) {
  .leistung-grid,
  .leistung-grid.rev {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 32px;
  }
  .leistung-img img {
    height: 280px;
  }
  .verf-grid {
    grid-template-columns: 1fr;
  }
  .norm-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 560px) {
  .leistung-img img {
    height: 220px;
  }
  .cta-band-btns {
    flex-direction: column;
    align-items: center;
  }
}