@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #1a1a1a;
    --text-color: #fefcf8;
    --card-bg: #2a2a2a;
  }
}
@media (prefers-color-scheme: light) {
  :root {
    --bg-color: #fefcf8;
    --text-color: #1a1a1a;
    --card-bg: white;
  }
}
body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  max-width: 900px;
  margin: 0 auto;
  padding: 0;
  line-height: 1.6;
  transition: background-color 0.3s, color 0.3s;
}
header {
  width: 100%;
  margin-bottom: 2rem;
}
.header-image {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.header-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-top: 1rem;
}
.header-subtitle {
  font-size: 1.2rem;
  font-weight: 400;
  text-align: center;
  opacity: 0.7;
  margin-bottom: 1.5rem;
}
.section {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  margin: 1rem;
  text-align: center;
  transition: background-color 0.3s;
}
.whatsapp-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.2rem;
  font-weight: 600;
  color: #075e54;
  text-decoration: none;
  margin-top: 1rem;
}
.whatsapp-link img {
  width: 28px;
  height: 28px;
}
footer {
  font-size: 0.85rem;
  text-align: center;
  opacity: 0.7;
  margin: 2rem 0;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: center;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

ul li {
  margin-bottom: 0.5rem;
}

nav {
  text-align: center;
  margin: 2rem 0;
}

nav a {
  color: var(--text-color);
  text-decoration: none;
  margin: 0 0.5rem;
}

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