@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800&display=swap');

html {
  font-size: 16px; 
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; 
  font-size: 1rem; 
  font-weight: 400; 
  font-style: normal; 
  line-height: 1.6; 
  color: #eaf0ff;
  background: #0b1220;
  padding: 2rem 1rem;
}
body > h1,
nav,
header,
section,
footer {
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
}

body > h1 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: 0.06rem; /* type property */
  text-transform: uppercase; /* text-transform required */
  margin: 0 0 1rem 0;
  color: #67e8f9;
}

nav {
  background: #111a2e;
  border: 0.0625rem solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
}

nav ol {
  margin: 0;
  padding-left: 1.25rem;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

nav li {
  font-size: 0.95rem;
  font-weight: 600;
}

nav a {
  color: #eaf0ff;
  text-decoration: none;
  letter-spacing: 0.01rem;
}

nav a:hover,
nav a:focus-visible {
  color: #67e8f9;
  text-decoration: underline;
  text-underline-offset: 0.25rem;
}


header,
section,
footer {
  background: #111a2e;
  border: 0.0625rem solid rgba(255, 255, 255, 0.08);
  border-radius: 1.25rem;
  padding: 1.25rem 1.25rem;
  margin-bottom: 1.25rem;
}


header h1 {
  margin: 0 0 0.5rem 0;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03rem;
  text-transform: none;
}


header {
  font-size: 1rem;
}

header h2 {
  margin: 1rem 0 0.5rem 0;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.12rem;
  text-transform: uppercase;
  color: #a8b3d1;
}


header p {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 400;
  font-style: italic; 
  color: #eaf0ff;
}

section h2,
footer h2 {
  margin: 0 0 0.75rem 0;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.14rem; 
  text-transform: uppercase; 
  color: #a78bfa;
}


section h4 {
  margin: 1rem 0 0.25rem 0;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01rem;
  color: #eaf0ff;
}


section h3 {
  margin: 0 0 0.75rem 0;
  font-size: 1rem;
  font-weight: 600;
  font-style: normal;
  color: #a8b3d1;
}


ul {
  margin: 0 0 0.5rem 0;
  padding-left: 1.25rem;
}

li {
  margin: 0.35rem 0;
  font-size: 1rem;
  font-weight: 400;
  color: #eaf0ff;
}


p {
  margin: 0.5rem 0 0 0;
  font-size: 1rem;
}


footer a {
  color: #67e8f9;
  text-decoration: none;
  font-weight: 600;
}

footer a:hover,
footer a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.25rem;
}


footer ul li {
  color: #eaf0ff;
}


@media (max-width: 40rem) {
  body {
    padding: 1.5rem 1rem;
  }

  header h1 {
    font-size: 1.7rem;
  }

  nav ol {
    gap: 0.75rem;
  }
}