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

    body {
      min-height: 100vh;
      background: linear-gradient(to bottom, #0e1a2b, #18344e);
      color: #fff;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .container {
      width: 100%;
      max-width: 400px;
      padding: 30px 20px;
      text-align: center;
    }

    h1 {
      margin-bottom: 30px;
      font-size: 2em;
      color: #00bcd4;
    }

    .button-list {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .link-btn {
      padding: 14px 20px;
      background-color: #00bcd4;
      color: #fff;
      border: none;
      border-radius: 25px;
      font-size: 1.1em;
      cursor: pointer;
      transition: background 0.3s ease, transform 0.2s ease;
    }

 .link-btn2 {
      padding: 14px 20px;
      background-color: #00bcd4;
      color: #00159e;
      border: none;
      border-radius: 25px;
      font-size: 1.1em;
      cursor: pointer;
      transition: background 0.3s ease, transform 0.2s ease;
      font-weight: bold;
    }

    .link-btn2:hover {
      background-color: #0097a7;
      transform: translateY(-2px);
    }

    .link-btn2:active {
      transform: translateY(0);
    }



    .link-btn:hover {
      background-color: #0097a7;
      transform: translateY(-2px);
    }

    .link-btn:active {
      transform: translateY(0);
    }

    footer {
      margin-top: 30px;
      font-size: 0.9em;
      color: #aaa;
    }

    @media (max-width: 480px) {
      h1 {
        font-size: 1.6em;
      }

      .link-btn {
        font-size: 1em;
      }
    }

.box {
  opacity: 0.5;
}

.btn-link {
color: #ffffff;


}

.hamburger {
  position: fixed;
  top: 25px;
  right: 30px;
  width: 34px;
  cursor: pointer;
  z-index: 2000;
}

.hamburger span {
  display: block;
  height: 4px;
  background: white;
  margin: 6px 0;
  border-radius: 2px;
}

.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 1500;
}

.menu-overlay a {
  color: white;
  font-size: 1.8em;
  text-decoration: none;
  font-weight: bold;
}

.menu-overlay a:hover {
  color: #00bcd4;
}

.menu-overlay.active {
  opacity: 1;
  pointer-events: auto;
}


.project-switch {
  display: flex;
  margin-bottom: 20px;
  border-radius: 20px;
  overflow: hidden;
}

.project {
  flex: 1;
  padding: 14px;
  cursor: pointer;
  font-weight: bold;
  background: rgba(255,255,255,0.15);
  transition: 0.3s;
}

.project.active {
  background: #00bcd4;
}

.project:hover {
  background: #0097a7;
}

body.winterstadt {
  background: linear-gradient(to bottom, #0e1a2b, #18344e);
  color: white;
}

body.secretum {
  background: #2f4f4f;
  color: #111;
}

.group {
  display: none;
}

.group.active {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.essen {
margin-top: 30px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 3000;
}

.modal-content {
  background: #18344e;
  padding: 25px;
  border-radius: 15px;
  text-align: center;
  width: 90%;
  max-width: 350px;
}

.modal-content h2 {
  margin-bottom: 10px;
  color: #00bcd4;
}

.modal-content button {
  width: 100%;
  margin-top: 10px;
  padding: 12px;
  border: none;
  border-radius: 10px;
  background: #00bcd4;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

.modal-content button:hover {
  background: #0097a7;
}

.close-btn {
  background: #444 !important;
}