:root {
  --bg: #0d0f12;
  --surface: #16191d;
  --border: #262b31;
  --text: #eef1f3;
  --text-muted: #9aa3ad;
  --accent: #2dd4bf;
  --accent-text: #06201c;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 640px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  margin-bottom: 1.5rem;
}

h1 {
  font-size: 1.9rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  letter-spacing: -0.01em;
}

.tagline {
  color: var(--accent);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 0 0 1.75rem;
}

.bio {
  color: var(--text-muted);
  font-size: 1.02rem;
  max-width: 56ch;
  margin: 0 0 2.25rem;
  text-align: justify;
  text-align-last: center;
}

.divider {
  width: 100%;
  max-width: 56ch;
  height: 3px;
  border: none;
  background: #454e57;
  margin: 3.75rem 0 0;
}

.portfolio {
  width: 100%;
  margin-top: 2.25rem;
}

.portfolio-heading {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 1.75rem;
}

.group {
  margin-top: 2rem;
  width: 100%;
}

.group:first-of-type {
  margin-top: 0;
}

.group h3 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin: 0 0 0.5rem;
}

.group-subtitle {
  color: var(--text-muted);
  font-size: 0.88rem;
  max-width: 46ch;
  margin: 0 auto 0.9rem;
}

.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}

.pill:hover,
.pill:focus-visible {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.pill-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
}

.pill-primary:hover,
.pill-primary:focus-visible {
  border-color: var(--accent);
  opacity: 0.9;
}

@media (max-width: 420px) {
  .page {
    padding: 3rem 1.25rem 3.5rem;
  }

  .avatar {
    width: 128px;
    height: 128px;
  }
}