:root {
  --red: #b21a1a;
  --text: #1f2937;
  --muted: #6b7280;
  --bg: #f6f6f6;
  --card: #ffffff;
  --border: rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  padding: 10px 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  z-index: 10;
}

.skip-link:focus {
  left: 8px;
}

.site-header {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  width: 44px;
  height: 44px;
  background: var(--red);
  border-radius: 6px;
  position: relative;
}

.brand-icon::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 9px;
  width: 9px;
  height: 26px;
  background: #fff;
  border-radius: 2px;
}

.brand-icon::after {
  content: "";
  position: absolute;
  left: 23px;
  top: 7px;
  width: 12px;
  height: 32px;
  background: #fff;
  opacity: 0.15;
  border-radius: 3px;
}

.brand-name {
  font-weight: 800;
  letter-spacing: 0.06em;
  font-size: 20px;
}

.brand-role {
  font-size: 12px;
  margin-top: 2px;
  letter-spacing: 0.12em;
  color: var(--muted);
  font-weight: 700;
}

.brand-bar {
  height: 15px;
  /* Referenz-Farbverlauf aus dem bereitgestellten Beispielbild */
  background: linear-gradient(
    90deg,
    rgb(187, 0, 0) 0%,
    rgb(196, 0, 0) 25%,
    rgb(211, 0, 0) 50%,
    rgb(229, 0, 0) 75%,
    rgb(238, 0, 0) 100%
  );
  margin-top: 14px;
  margin-bottom: 18px;
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px 28px;
}

.layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 22px;
  align-items: start;
}

.side-nav {
  position: sticky;
  top: 12px;
  padding-top: 18px;
}

.nav-link {
  display: block;
  padding: 8px 0;
  color: var(--red);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.nav-link:hover,
.nav-link:focus {
  text-decoration: underline;
}

.content {
  min-width: 0;
}

.section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 18px;
  margin-bottom: 16px;
  scroll-margin-top: 24px;
}

.section h1 {
  margin: 4px 0 10px;
  font-size: 24px;
}

.section h2 {
  margin: 0 0 12px;
  font-size: 18px;
  color: var(--red);
}

.section p {
  margin: 10px 0;
  line-height: 1.55;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.btn {
  display: inline-block;
  background: var(--red);
  color: #fff;
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 800;
  letter-spacing: 0.01em;
  border: 1px solid var(--red);
}

.btn-ghost {
  background: #fff;
  color: var(--red);
}

.btn:hover,
.btn:focus {
  filter: brightness(1.03);
}

.list {
  margin: 10px 0;
  padding-left: 20px;
}

.list li {
  margin: 8px 0;
  line-height: 1.5;
}

.info-box {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 14px;
  margin-top: 14px;
  background: #fff;
}

.info-title {
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.info-text {
  margin-top: 6px;
  line-height: 1.55;
}

.muted {
  color: var(--muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 10px;
}

.contact-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 12px;
  background: #fff;
}

.contact-label {
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.contact-link {
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.contact-link:hover,
.contact-link:focus {
  text-decoration: underline;
  color: var(--red);
}

.impressum p {
  margin: 12px 0;
}

.site-footer {
  padding: 0 16px 24px;
}

.contact-strip {
  max-width: 1100px;
  margin: 0 auto;
  background: #e9e9e9;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding: 16px 18px;
  display: grid;
  grid-template-columns: 1.1fr 1.4fr 1fr 1fr;
  gap: 12px;
}

.strip-col {
  min-width: 0;
}

.strip-name {
  font-weight: 900;
  letter-spacing: 0.06em;
}

.strip-role {
  color: var(--muted);
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-top: 2px;
  font-size: 12px;
}

.strip-phone,
.strip-addr,
.strip-mobile {
  font-weight: 700;
  line-height: 1.45;
}

.strip-contact-link {
  color: var(--red);
  text-decoration: none;
  font-weight: 900;
}

.strip-contact-link:hover,
.strip-contact-link:focus {
  text-decoration: underline;
}

@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .side-nav {
    position: static;
    padding-top: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
  }
  .nav-link {
    padding: 6px 0;
  }
  .contact-strip {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .section h1 {
    font-size: 20px;
  }
  .contact-strip {
    grid-template-columns: 1fr;
  }
  .brand-name {
    font-size: 18px;
  }
  .brand-icon {
    width: 40px;
    height: 40px;
  }
}

