* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #0b0b0b;
  color: #ffffff;
}

nav {
  background: #111111;
  border-bottom: 1px solid #222222;
  padding: 18px 20px;
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

.nav-container a {
  color: #f5b400;
  text-decoration: none;
  font-weight: bold;
  font-size: 16px;
}

.nav-container a:hover {
  color: #ffd24d;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 60px 20px 80px;
  text-align: center;
}

.logo {
  width: 280px;
  max-width: 85%;
  height: auto;
  margin: 0 auto 24px;
  display: block;
}

h1 {
  font-size: 52px;
  margin: 0 0 16px;
  line-height: 1.1;
}

h2 {
  font-size: 30px;
  margin-bottom: 18px;
}

.tagline {
  font-size: 24px;
  color: #d0d0d0;
  max-width: 760px;
  margin: 0 auto 36px;
  line-height: 1.5;
}

.button {
  display: inline-block;
  background: #d6a100;
  color: #111111;
  text-decoration: none;
  font-weight: bold;
  font-size: 20px;
  padding: 16px 32px;
  border-radius: 8px;
  margin-bottom: 48px;
}

.button:hover {
  background: #e7b300;
}

.card {
  max-width: 800px;
  margin: 0 auto 32px;
  padding: 28px 24px;
  background: #141414;
  border: 1px solid #222222;
  border-radius: 12px;
  text-align: left;
}

.card.center {
  text-align: center;
}

.card p,
.card li {
  font-size: 18px;
  color: #d0d0d0;
  line-height: 1.7;
}

.card ul {
  padding-left: 24px;
}

.footer {
  text-align: center;
  padding: 24px 20px 40px;
  color: #888888;
  font-size: 15px;
}

.footer a {
  color: #f5b400;
  text-decoration: none;
}

.footer a:hover {
  color: #ffd24d;
}

.launch {
  font-size: 18px;
  color: #aaaaaa;
  margin-top: 10px;
}

@media (max-width: 700px) {
  .container {
    padding: 40px 18px 60px;
  }

  h1 {
    font-size: 38px;
  }

  h2 {
    font-size: 24px;
  }

  .tagline {
    font-size: 20px;
  }

  .button {
    font-size: 18px;
    width: 100%;
    max-width: 340px;
  }

  .card p,
  .card li {
    font-size: 17px;
  }
}