:root {
  --bg: #f5f5f2;
  --surface: #ffffff;
  --text: #181c20;
  --muted: #5a6069;
  --accent: #0f5b91;
  --accent-soft: rgba(15, 91, 145, 0.08);
  --accent-hover: #0a4168;
  --line: rgba(24, 28, 32, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100svh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background: var(--bg);
  padding: 0;
}

.card {
  width: min(760px, 100%);
  min-height: 100svh;
  margin: 0 auto;
  background: var(--surface);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  padding: clamp(18px, 3.2vw, 32px);
}

.intro h1 {
  margin: 0;
  font-size: clamp(1.9rem, 4.4vw, 2.8rem);
  letter-spacing: -0.03em;
}

.tag {
  margin: 0 0 6px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.68rem;
}

.bio {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.38;
  max-width: 54ch;
  font-size: 0.9rem;
}

.bio-list {
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.35;
  max-width: 72ch;
  font-size: 0.88rem;
}

.bio-list li + li {
  margin-top: 4px;
}

.role {
  font-weight: 500;
  color: #3f4751;
}

section {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.collapsible {
  margin: 0;
}

.collapsible summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #444b53;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.collapsible summary::-webkit-details-marker {
  display: none;
}

.collapsible summary::before {
  content: "+";
  color: var(--accent);
  font-size: 0.9rem;
  line-height: 1;
}

.collapsible[open] summary::before {
  content: "−";
}

.collapsible .links {
  margin-top: 8px;
}

h2 {
  margin: 0 0 8px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #444b53;
}

.links {
  display: grid;
  gap: 2px;
}

.links a {
  text-decoration: none;
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(24, 28, 32, 0.1);
  border-left: 2px solid rgba(24, 28, 32, 0.18);
  border-radius: 8px;
  padding: 8px 8px;
  font-weight: 500;
  transition:
    border-color 0.14s ease,
    color 0.14s ease,
    background-color 0.14s ease;
}

.links a .bi {
  color: var(--accent);
  font-size: 0.95rem;
  flex: 0 0 auto;
  margin-top: 1px;
}

.links a span {
  display: grid;
  gap: 0;
  line-height: 1.24;
}

.links a strong {
  font-size: 0.88rem;
  font-weight: 600;
}

.links a small {
  color: var(--muted);
  font-size: 0.74rem;
}

.links a .link-url {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.68rem;
  color: #6c7681;
}

.links a:hover,
.links a:focus-visible {
  color: var(--accent-hover);
  border-left-color: var(--accent-hover);
  background: var(--accent-soft);
}

.inset-link {
  margin-left: 18px;
  padding: 6px 8px;
  border-left: 2px solid rgba(15, 91, 145, 0.35);
  background: rgba(15, 91, 145, 0.04);
}

.profile-contact {
  align-items: center;
  margin-left: 0;
}

.profile-contact .bi {
  margin-top: 0;
}

.inset-link span {
  display: inline;
  font-size: 0.74rem;
  color: var(--muted);
}

.inset-link:hover span,
.inset-link:focus-visible span {
  color: var(--accent-hover);
}

footer {
  margin-top: 18px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.76rem;
}

@media (max-width: 480px) {
  .links a {
    padding: 8px 6px;
  }
}