:root {
  --primary: #8b5cf6;
  --background: #121212;
  --text: #ffffff;
  --accent: #e0e0e0;
}

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

body {
  background-color: var(--background);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 0;
}

header {
  background: #000;
  border-bottom: 1px solid #333;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header img {
  height: 60px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}

nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}

nav a:hover {
  color: var(--primary);
}

section {
  padding: 60px 0;
  border-bottom: 1px solid #222;
}

h1 {
  font-size: 32px;
  margin-bottom: 20px;
  color: var(--primary);
}

section h2 {
  font-size: 26px;
  margin-bottom: 20px;
  color: var(--primary);
}

section p,
section ul li {
  font-size: 18px;
  color: var(--accent);
}

ul li {
  margin-left: 20px;
  margin-bottom: 10px;
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 12px 20px;
  border-radius: 8px;
  text-decoration: none;
  margin-top: 20px;
  font-weight: bold;
  transition: 0.3s;
}

.btn:hover {
  opacity: 0.8;
}

footer {
  background: #000;
  padding: 20px 0;
  text-align: center;
  font-size: 14px;
  color: #888;
}

.whatsapp {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #25d366;
  color: white;
  font-size: 24px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  text-align: center;
  line-height: 50px;
  box-shadow: 0 0 10px #000;
  z-index: 1000;
  text-decoration: none;
}

.whatsapp:hover {
  background-color: #1ebe5d;
}

@media (max-width: 768px) {
  header .container {
    flex-direction: column;
    text-align: center;
  }

  nav ul {
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
  }
}