:root {
  --bg: #0f1115;
  --surface: #161922;
  --text: #e6e8ee;
  --muted: #8b8f9a;
  --accent: #5cc8ff;
  --border: #262b36;
  --li-border: #9098ac;
  --max-width: 720px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 1.5rem 1.5rem;
}

header h1 {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
}

.tagline {
  color: var(--muted);
  margin: 0.25rem 0 0;
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem 2rem;
  display: flex;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border);
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  padding-bottom: 0.5rem;
}

nav a:hover,
nav a:focus-visible {
  color: var(--accent);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

section:last-of-type {
  border-bottom: none;
}

h2 {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 0 0 1rem;
}

article {
  margin-bottom: 1.5rem;
}

article h3 {
  margin: 0;
  font-size: 1.1rem;
}

.dates {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0.15rem 0 0.5rem;
}

.skills-list {
  list-style: none;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 0;
}

.skills-list li {
  border: 1px solid var(--li-border);
  padding: 0.2rem 0.8rem;
  border-radius: 6px;
  font-size: 0.9rem;
  flex: 1 1 auto;
  text-align: center;
}

a {
  color: var(--accent);
}

footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 600px) {
  header {
    padding: 3rem 1.25rem 1.25rem;
  }
  nav {
    gap: 1rem;
    overflow-x: auto;
    white-space: nowrap;
  }
}

li {
  padding: 4px 0;
}

.contact-list p {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0.5rem;
  margin: 0.25rem 0;
}

.email {
  margin: 1rem 0;
}

.contact-list p b {
  text-align: left;
}