:root {
  --bg: #0b1020;
  --card: #151d35;
  --text: #e7ecf7;
  --muted: #aeb8cc;
  --accent: #8fb8ff;
  --border: rgba(255,255,255,0.08);
  --max-width: 1000px;
}

body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.nav {
  max-width: var(--max-width);
  margin: auto;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
}

.nav-links a {
  margin-left: 1rem;
  color: var(--muted);
}

.nav-links a:hover { color: var(--text); }

main {
  max-width: var(--max-width);
  margin: auto;
  padding: 2.5rem 1.2rem;
}

/* layout */
.top {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.info {
  flex: 1;
}

.profile {
  width: 180px;
  text-align: center;
}

.profile img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--border);
}

h1 {
  font-size: 2.8rem;
  margin-bottom: 0.3rem;
}

h2 {
  margin-top: 2.5rem;
}

.meta {
  color: var(--muted);
}

ol, ul {
  padding-left: 1.2rem;
}

li {
  margin-bottom: 0.6rem;
}


.talk-mark {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-left: 0.38rem;
  border-radius: 50%;
  vertical-align: middle;
}

.talk-mark.invited {
  background: #14b8a6;
  box-shadow: 0 0 0 1px rgba(20, 184, 166, 0.15);
}

.legend {
  margin-top: 0.4rem;
  font-size: 0.88rem;
  color: #666;
}