body {
  background: #181c23;
  color: #fff;
  font-family: 'Lato', 'Open Sans', Arial, sans-serif;
  margin: 0;
  padding: 0;
  font-size: 87%;
}

.header {
  display: flex;
  align-items: center;
  padding: 32px 0 16px 0;
  background: transparent;
  justify-content: center;
}
.header img {
  height: 60px;
  margin-right: 24px;
}

h1, h2, h3, h4, h5, h6 {
  color: #fff;
  font-weight: 700;
  margin-top: 0;
  letter-spacing: 1px;
}

h1 span, .highlight {
  color: #1da1f2; /* blue accent */
}

a {
  color: #1da1f2;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 1.1em;
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  margin: 8px 8px 8px 0;
}
.btn-primary {
  background: #1da1f2;
  color: #fff;
}
.btn-primary:hover {
  background: #0d8ddb;
}
.btn-accent {
  background: #b6c13f;
  color: #181c23;
}
.btn-accent:hover {
  background: #a0a92e;
}
.btn-secondary {
  background: #fff;
  color: #181c23;
  border: 1px solid #1da1f2;
}
.btn-secondary:hover {
  background: #f0f0f0;
}

.card {
  background: #232837;
  border-radius: 10px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.12);
  padding: 32px;
  margin: 24px 0;
  color: #fff;
}

.card h2 {
  color: #1da1f2;
}

.section {
  padding: 48px 0;
}

.hero {
  text-align: center;
  padding: 64px 16px 32px 16px;
}
.hero h1 {
  font-size: 2.8em;
  margin-bottom: 16px;
}
.hero p {
  font-size: 1.3em;
  color: #b6c13f;
  margin-bottom: 32px;
}

@media (max-width: 700px) {
  .header { flex-direction: column; padding: 24px 0 8px 0; }
  .header img { margin: 0 0 12px 0; height: 48px; }
  .card { padding: 18px; }
  .hero { padding: 32px 8px 16px 8px; }
  .hero h1 { font-size: 2em; }
}