:root {
  --bg: #1e1e1e;
  --fg: #e4e4e4;
  --muted: #a6a6a6;
  --link: #8ab4f8;
  --border: #2a2a2a;
  --accent: #8ab4f8;
}

html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  text-rendering: optimizeLegibility;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

header {
  padding: 2rem 0 1rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
header h1 {
  font-size: 2rem;
  margin: 0 0 0.25rem;
}
header p {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

nav {
  margin-top: 0.75rem;
}
nav a {
  margin-right: 1rem;
  color: var(--link);
  text-decoration: none;
}
nav a:hover, nav a:focus { text-decoration: underline; }

a {
  color: var(--link);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

h2 { font-size: 1.35rem; margin-top: 2rem; }
h3 { font-size: 1.05rem; margin-top: 1.25rem; }

section + section { border-top: 1px solid var(--border); padding-top: 1.5rem; }

ul { padding-left: 1.25rem; }
li { margin: 0.25rem 0; }

.projects article { margin: 0.75rem 0 1rem; }
.projects h3 { margin-bottom: 0.25rem; }
.muted { color: var(--muted); }

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.95rem;
}

/* About section layout */
#about .about-wrap {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

#about .about-text {
  flex: 1 1 60%;
}

#about .about-photo {
  flex: 0 0 auto;
  margin: 0;
}

#about .about-photo img {
  display: block;
  width: 270px;
  height: auto;
  border-radius: 12px;
}

@media (max-width: 720px) {
  #about .about-wrap {
    flex-direction: column;
  }
  #about .about-photo {
    align-self: start;
  }
}