* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --petrol: #005761;
  --dunkelblau: #212d32;
  --anthrazit: #3a3a3c;
  --hellgrau: #e5e5e5;
  --weiss: #ffffff;
  --gelb: #b78d26;
}
body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--anthrazit);
} /* Navigation */
nav {
  background: var(--dunkelblau);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  padding: 1rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
nav .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
nav img {
  width: 200px;
  max-width: 100%;
  height: auto;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}
nav li {
  position: relative;
}
nav .dropdown {
  position: relative;
}
nav .dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--dunkelblau);
  min-width: 200px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  border-radius: 5px;
  margin-top: 0.5rem;
  z-index: 1001;
}
nav .dropdown:hover .dropdown-content {
  display: block;
}
nav .dropdown-content a {
  display: block;
  padding: 0.8rem 1.5rem;
  color: var(--weiss);
  text-decoration: none;
  transition: background 0.3s;
}
nav .dropdown-content a:hover {
  background: var(--anthrazit);
}
nav .dropdown > a::after {
  content: " ▼";
  font-size: 0.7rem;
}
nav a {
  color: var(--weiss);
  text-decoration: none;
  transition: color 0.3s;
}
nav a:hover {
  color: var(--gelb);
} /* Hero Section mit Video */
#hero {
  position: relative;
  color: var(--weiss);
  padding: 120px 2rem 80px;
  text-align: center;
  margin-top: 60px;
  overflow: hidden;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}
#hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  z-index: 1;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(0, 79, 86, 0.75) 0%,
    rgba(2, 71, 83, 0.85) 100%
  );
  z-index: 2;
}
#hero .container {
  position: relative;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 3rem;
}
.hero-text {
  flex: 1;
  text-align: left;
}
#hero h1 {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 1rem;
  text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.7);
  font-weight: bold;
  letter-spacing: 2px;
}
#hero p {
  font-size: 1.4rem;
  margin-bottom: 0;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}
.btn {
  flex-shrink: 0;
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--petrol);
  color: var(--weiss);
  text-decoration: none;
  border-radius: 30px;
  transition: background 0.3s;
  font-size: large;
  font-weight: bold;
}
.btn:hover {
  background: var(--dunkelblau);
}
.btn-light {
  background: var(--dunkelblau);
  color: var(--weiss);
}
.btn-light:hover {
  background: var(--gelb);
} /* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
} /* Sections */
section {
  padding: 80px 2rem;
}
section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--dunkelblau);
} /* Über uns */
#ueber-uns {
  background: var(--weiss);
}
#ueber-uns .ueber-uns-flex {
  display: flex;
  align-items: center;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
}
.ueber-uns-image {
  flex: 1;
  min-width: 300px;
}
.ueber-uns-image img {
  width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}
#ueber-uns .content {
  max-width: 800px;
  margin: 0 auto;
  text-align: justify;
  font-size: 1.1rem;
} /* Kurs-Details Sektionen */
.kurs-detail {
  padding: 80px 2rem;
}
.kurs-detail:nth-child(odd) {
  background: var(--weiss);
}
.kurs-detail:nth-child(even) {
  background: var(--hellgrau);
}
.kurs-detail h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--dunkelblau);
}
.kurs-detail-flex {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
}
.kurs-detail-image {
  flex: 0 0 45%;
  max-width: 500px;
}
.kurs-detail-image img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  display: block;
}
.kurs-detail-text {
  flex: 0 0 45%;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.kurs-detail-text h3 {
  color: var(--petrol);
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}
.kurs-detail-text p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin: 0;
  text-align: justify;
}
.kurs-detail-text ul {
  list-style: none;
  padding: 0;
}
.kurs-detail-text ul li {
  padding: 0.5rem 0;
  font-size: 1.05rem;
}
.kurs-detail-text ul li:before {
  content: "✓ ";
  color: var(--petrol);
  font-weight: bold;
  margin-right: 0.5rem;
}
.kurs-info-box {
  background: var(--petrol);
  color: var(--weiss);
  padding: 1.5rem;
  border-radius: 8px;
  margin-top: 1rem;
}
.kurs-info-box p {
  text-align: left;
  margin: 0.5rem 0;
}
.kurs-info-box strong {
  display: inline-block;
  min-width: 100px;
} /* Kurse */
#kurse {
  background: var(--hellgrau);
}
.kurs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.kurs-card {
  background: var(--weiss);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}
.kurs-card:hover {
  transform: translateY(-5px);
}
.kurs-card h3 {
  color: var(--petrol);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}
.kurs-card ul {
  list-style: none;
  margin: 1rem 0;
}
.kurs-card ul li:before {
  content: "✓ ";
  color: var(--petrol);
  font-weight: bold;
} /* Vorteile */
#vorteile {
  background: var(--hellgrau);
}
.vorteile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.vorteil-item {
  text-align: center;
  padding: 1.5rem;
}
.vorteil-icon {
  width: 80px;
  height: 80px;
  background: var(--petrol);
  color: var(--weiss);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1rem;
}
.vorteil-item h3 {
  color: var(--dunkelblau);
  margin-bottom: 0.5rem;
} /* Kontakt */
#kontakt {
  background: var(--anthrazit);
  color: var(--weiss);
}
#kontakt h2 {
  color: var(--weiss);
}
.kontakt-wrapper {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.kontakt-content {
  text-align: center;
  margin-bottom: 3rem;
}
.kontakt-content h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--weiss);
}
.kontakt-info {
  margin: 2rem 0;
  font-size: 1.1rem;
}
.kontakt-info p {
  margin: 1rem 0;
} /* Buchungsformular */
.buchungsformular {
  background: var(--weiss);
  padding: 2.5rem;
  border-radius: 10px;
  color: var(--anthrazit);
  max-width: 600px;
  margin: 3rem auto;
}
.buchungsformular h3 {
  color: var(--petrol);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
}
.form-group {
  margin-bottom: 1.5rem;
}
.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: bold;
  color: var(--anthrazit);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 2px solid var(--hellgrau);
  border-radius: 5px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--petrol);
}
.form-group textarea {
  resize: vertical;
  min-height: 100px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-group.checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.form-group.checkbox input {
  width: auto;
}
.form-group.checkbox label {
  margin-bottom: 0;
  font-weight: normal;
}
.btn-submit {
  width: 100%;
  padding: 1rem 2rem;
  background: var(--petrol);
  color: var(--weiss);
  border: none;
  border-radius: 5px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
}
.btn-submit:hover {
  background: var(--dunkelblau);
} /* Footer */
footer {
  background: var(--dunkelblau);
  color: var(--weiss);
  text-align: center;
  padding: 2rem;
}
a {
  color: white;
  text-decoration: none;
}
a:visited {
  color: white;
} /* Responsive */
@media (max-width: 992px) {
  #ueber-uns .ueber-uns-flex,
  .kurs-detail-flex {
    flex-direction: column;
    gap: 2rem;
  }
  .ueber-uns-image,
  .ueber-uns-text,
  .kurs-detail-image,
  .kurs-detail-text {
    flex: 0 0 100%;
    max-width: 100%;
  }
  .ueber-uns-text p,
  .kurs-detail-text p {
    text-align: center;
  }
  nav .dropdown-content {
    position: relative;
    display: none;
    box-shadow: none;
    margin-top: 0;
  }
  nav .dropdown:hover .dropdown-content {
    display: block;
  }
}
@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    gap: 1rem;
  }
  #hero .container {
    flex-direction: column;
    text-align: center;
  }
  .hero-text {
    text-align: center; /* Text mittig */
    padding: 20px;
  }
  .hero-text h1 {
    font-size: 2.5rem;
  }
  .hero-text p {
    font-size: 1.1rem;
  }
  .hero-button .btn-light {
    padding: 1.5rem 2.5rem;
    font-size: 1.2rem;
  }
  section h2 {
    font-size: 2rem;
  }
  .ueber-uns-text p {
    font-size: 1rem;
  }
  .kurs-detail-text p,
  .kurs-detail-text ul li {
    font-size: 1rem;
  }
  .kurs-detail h2 {
    font-size: 2rem;
  }
  .kurs-detail-text h3 {
    font-size: 1.5rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .buchungsformular {
    padding: 1.5rem;
  }
}