* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: #333;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  background: linear-gradient(180deg, #e0f8f5 0%, #fff 100%);
}

/* Hero Section */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem 2rem;
  text-align: center;
}

.logo {
  max-width: 400px;
  width: 100%;
  height: auto;
  margin-bottom: 1rem;
}

.tagline {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  color: #00665c;
  margin-bottom: 2rem;
}

.button {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: #2ec4b6;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 500;
  transition: background 0.2s;
}

.button:hover {
  background: #00665c;
}

/* Features Section */
.features {
  padding: 3rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.grid-item {
  text-align: center;
  padding: 1.5rem;
}

.grid-item .icon {
  color: #2ec4b6;
  margin-bottom: 1rem;
}

.grid-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #00665c;
}

.grid-item p {
  color: #555;
  font-size: 0.95rem;
}

/* Illustration */
.illustration {
  width: 100%;
  margin-top: 2rem;
}

.illustration svg {
  display: block;
  width: 100%;
  height: auto;
}

/* Footer */
footer {
  padding: 2rem;
  text-align: center;
  border-top: 1px solid rgba(60, 60, 67, 0.12);
  color: #727272;
  font-size: 0.9rem;
}

footer a {
  color: #2ec4b6;
  text-decoration: none;
}

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

/* Header (for impressum) */
header {
  padding: 1rem 2rem;
}

.back {
  color: #2ec4b6;
  text-decoration: none;
  font-size: 0.9rem;
}

.back:hover {
  text-decoration: underline;
}

/* Prose (for impressum content) */
.prose {
  max-width: 65ch;
  margin: 0 auto;
  padding: 2rem;
}

.prose h1 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: #00665c;
}

.prose h2 {
  font-size: 1.25rem;
  font-weight: 500;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: #333;
}

.prose p {
  margin-bottom: 1rem;
  color: #555;
}