body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background-color: #000;
  color: #fff;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid #333;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
}

.logo span {
  color: #6366f1;
}

nav {
  display: flex;
  gap: 1.2rem;
}

nav a {
  color: #fff;
  text-decoration: none;
}

nav a.cta {
  background-color: #6366f1;
  color: #000;
  padding: 0.5rem 1rem;
  border-radius: 999px;
}

.hero {
  text-align: center;
  padding: 4rem 2rem;
}

.hero h1 {
  font-size: 2.8rem;
  background: linear-gradient(to right, #6366f1, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: #ccc;
  max-width: 600px;
  margin: 1rem auto;
}

.hero .cta {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.75rem 1.5rem;
  background-color: #6366f1;
  color: #000;
  border-radius: 999px;
  font-weight: bold;
  text-decoration: none;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  padding: 4rem 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.features div {
  background-color: #111;
  padding: 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
}

.about, .signup {
  text-align: center;
  padding: 4rem 2rem;
  max-width: 700px;
  margin: auto;
  color: #bbb;
}

.signup form {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.signup input {
  padding: 0.75rem;
  width: 100%;
  max-width: 300px;
  border-radius: 0.5rem;
  border: none;
}

.signup button {
  background-color: #6366f1;
  color: #000;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 999px;
  font-weight: bold;
  cursor: pointer;
}

footer {
  text-align: center;
  padding: 2rem;
  color: #666;
}