* {      
  margin: 0;       
  padding: 0;     
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
}

*, *::before, *::after {
  box-sizing: border-box;
}
  
html, body {
  height: 100%;
  scroll-behavior: smooth;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: #ffffff;
}

main {
  flex: 1;
  padding-top: 80px;
}


header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 9999;
}

.logo {
  font-weight: 700;
  font-size: 1.5rem;
  color: #4f46e5;
}

nav a {
  text-decoration: none;
  margin-left: 25px;
  font-weight: 500;
  color: #374151;
  transition: color 0.2s;
}

nav a:hover {
  color: #4f46e5;
}

.aktuell {
  text-decoration: underlined;
  color: #4f46e5;} 

.header-buttons a {
  margin-left: 15px;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  transition: 0.3s;
}

.btn-register {
  background: #4f46e5;
  color: #fff;
  border: 2px solid #4f46e5;
}

.btn-register:hover {
  background: #4338ca;
  border-color: #4338ca;
}


.intro-section {
  width: 100%;
  height: calc(100vh - 80px);
  position: relative;
  overflow: hidden;
}

.intro-section img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}


.hero {
  text-align: center;
  padding: 80px 20px 60px;
  background-image: url('Images/back.jpeg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  color: #1f2937;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.25); 
  z-index: 0;
}

.hero-bg-parallax {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('Images/back.jpeg');
  background-size: cover;
  background-position: center;
  z-index: -1;
}

.hero h1,
.hero p,
.hero-text-columns {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 25px;
  color: #fff;
  text-shadow: 0 2px 6px rgba(0,0,0,0.4);
}

.hero p {
  font-size: 1.125rem;
  color: #000000;
  max-width: 680px;
  margin: 0 auto 40px;
  line-height: 1.75;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}


.hero .btn {
  padding: 12px 25px;
  border-radius: 12px;
  font-weight: 600;
  margin: 0 10px;
  transition: transform 0.2s, background 0.3s;
}

.hero .btn:hover {
  transform: translateY(-3px);
  background: #4338ca;
  color: #fff;
}


.hero-text-columns {
  display: flex;
  gap: 40px;
  max-width: 900px;
  margin: 40px auto 0;
}

.hero-text-columns .column {
  flex: 1;
  background: rgba(255,255,255,0.1);
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: transform 0.3s, box-shadow 0.3s;
}

.hero-text-columns .column:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}

.hero-text-columns h2 {
  font-size: 1.6rem;
  margin-bottom: 15px;
  color: #000000;
}

.hero-text-columns p {
  color: #000000;
  line-height: 1.6;
}


.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 1s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.gems-section {
  position: relative;
  padding:100px 20px 80px;
  color: #000000; 
  overflow: hidden;
  text-align:center;
  background: url('Images/back2.jpeg') no-repeat center center;
  background-size: cover;
}

.gems-bg-parallax {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('Images/back2.jpeg');
  background-size: cover;
  background-position: center;
  z-index: -1;
  transform: translateY(0px);
  transition: transform 0.2s ease-out;
}

.gems-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.gems-section::before {content: "";position: absolute;inset: 0;background: rgba(0,0,0,0.25);z-index: 0;}

.gems-content p {
  font-size: 1.125rem;
  max-width: 700px;
  margin: 0 auto 50px auto;
  line-height: 1.7;
}

.gems-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

.card {
  background: rgba(255,255,255,0.9);
  border-radius: 16px;
  padding: 30px 20px;
  flex: 1 1 250px;
  max-width: 300px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.card p {
  font-size: 1rem;
  line-height: 1.5;
  color: #374151;
}


.gems-section .fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 1s ease-out;
}

.gems-section .fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}


@media (max-width: 768px) {
  .gems-cards {
    flex-direction: column;
    gap: 20px;
  }
}

.site-footer {
  background: #111827;
  color: #4f46e5;
  border-top: none;
//  border-radius: 16px 16px 0 0;
  padding: 50px 20px;
  flex-shrink: 0;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.3);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links a {
  color: #4f46e5;
  font-weight: 500;
  margin-right: 20px;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #4f46e5;
}

.footer-meta p {
  color: #4f46e5;
  font-size: 0.875rem;
  margin-top: 8px;
}


@media (max-width:768px) {

  
  header {
    flex-direction: column;
    gap: 10px;
    padding: 15px 20px;
  }

  nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  nav a,
  .header-buttons a {
    margin-left: 0;
  }

  
  .intro-section {
    height: 60vh;
  }

  
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  
  .hero-text-columns {
    flex-direction: column;
    gap: 20px;
  }

  
  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
  }

  .footer-links a {
    margin: 0 10px 10px 0;
  }
}