/* Grundlayout */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: #1f2933;
  background: radial-gradient(circle at top, #f5f7fb 0, #e5ecf5 40%, #d9e2ec 100%);
}

/* Container */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

/* Header */
header {
  text-align: center;
  padding: 3rem 0 2rem;
}

header h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(2rem, 3vw, 2.4rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #102a43;
}

header p {
  margin: 0.25rem 0 0;
  color: #52606d;
}

/* Buttons (falls wieder aktiviert) */
.btn-group {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 0.6rem 1.4rem;
  font-size: 0.95rem;
  cursor: pointer;
  background: #1769aa;
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(15, 60, 110, 0.25);
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.btn:hover {
  background: #12507f;
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(15, 60, 110, 0.3);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 4px 10px rgba(15, 60, 110, 0.2);
}

/* Sektionen */
section {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 12px;
  padding: 1.5rem 1.4rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(209, 213, 219, 0.6);
  backdrop-filter: blur(6px);
}

section h2 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
  color: #102a43;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

section p {
  margin: 0.25rem 0 0.5rem;
  color: #334e68;
}

/* Listen */
section ul {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
  color: #41566b;
}

section li + li {
  margin-top: 0.4rem;
}

/* Links */
a {
  color: #1769aa;
  text-decoration: none;
  position: relative;
}

a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.15s ease-out;
}

a:hover::after {
  transform: scaleX(1);
}

/* Mitgliedschaft-Block speziell */
#mitgliedschaft p {
  white-space: pre-line; /* Erhält deine Zeilenumbrüche im <p> */
}

#mitgliedschaft ul {
  list-style-type: "▶ ";
  padding-left: 1.1rem;
}

/* Footer */
footer {
  text-align: center;
  font-size: 0.85rem;
  color: #6b778d;
  padding: 1.5rem 1rem 2rem;
}

footer a {
  color: inherit;
  font-weight: 500;
}

footer a::after {
  display: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Responsiv */
@media (min-width: 768px) {
  body {
    font-size: 17px;
  }

  .container {
    padding: 2.5rem 1.5rem 3.5rem;
  }

  section {
    padding: 1.75rem 1.8rem;
  }
}