:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #4b4b4b;
  --line: #d8d8d8;
  --surface: #ffffff;
  --surface-soft: #f6f6f6;
  --surface-softer: #f3f3f3;
  --surface-muted: #f4f4f4;
  --avatar-bg: var(--bg);

  --font-a: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, serif;
  --font-b: "Avenir Next", "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-c: Menlo, Consolas, "Liberation Mono", monospace;
  --font-body: "Avenir Next", "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

[data-theme="dark"] {
  --bg: #0f1115;
  --text: #e7eaee;
  --muted: #a1a9b5;
  --line: #2b313b;
  --surface: #141922;
  --surface-soft: #1c2330;
  --surface-softer: #202938;
  --surface-muted: #1b2230;
  --avatar-bg: var(--bg);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 5.5rem 2rem;
}

.profile-grid {
  display: grid;
  grid-template-columns: minmax(220px, 290px) 40px minmax(360px, 1fr);
  gap: 0;
  align-items: stretch;
}

.divider {
  width: 1px;
  background: var(--line);
  justify-self: center;
  min-height: 560px;
  height: 100%;
}

.avatar {
  position: relative;
  width: 216px;
  height: 216px;
  margin: 0 auto 1.15rem;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--avatar-bg);
  display: grid;
  place-items: center;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: translateY(-4%) scale(0.86);
  display: block;
}

.lhs .line {
  margin: 0;
  font-size: 0.98rem;
}

.lhs .line + .line {
  margin-top: 0.35rem;
}

.lhs .is-name {
  font-size: clamp(1.7rem, 2.85vw, 2.15rem);
  line-height: 1.1;
  margin-bottom: 0.85rem;
}

.is-role {
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.is-location {
  margin-top: 0.2rem;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  text-transform: none;
}

.tiny {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 25ch;
}

.subnav {
  margin-top: 2.1rem;
  display: grid;
  gap: 0.55rem;
}

.subnav a,
.portfolio a,
.contact a,
.page a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  display: inline-block;
  line-height: 1.2;
  text-decoration-thickness: 1px;
  padding-bottom: 2px;
}

.subnav a:hover,
.portfolio a:hover,
.page a:hover {
  opacity: 0.6;
}

.rhs {
  max-width: 760px;
}

.intro {
  margin: 0;
  font-size: 1.25rem;
  max-width: 34ch;
  line-height: 1.4;
}

.body-copy {
  margin-top: 1rem;
  font-size: 1rem;
  max-width: 64ch;
}

.section-title {
  margin: 2.2rem 0 0.65rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  font-family: var(--font-b);
  font-weight: 500;
  text-transform: uppercase;
}

.portfolio ul {
  margin: 0.1rem 0 0;
  padding-left: 1rem;
  max-width: 70ch;
}

.portfolio li {
  margin-bottom: 0.5rem;
  font-size: 0.98rem;
}

.entry-list {
  list-style: none;
  padding-left: 0;
  margin: 0.15rem 0 0;
}

.entry-list li {
  margin-bottom: 1rem;
}

.entry-title,
.entry-meta,
.entry-copy {
  margin: 0;
}

.entry-title {
  font-family: var(--font-a);
  font-size: 1rem;
}

.entry-meta {
  margin-top: 0.2rem;
  font-size: 0.84rem;
  color: var(--muted);
  font-family: var(--font-c);
}

.entry-copy {
  margin-top: 0.35rem;
  font-size: 0.96rem;
  max-width: 64ch;
}

.font-a {
  font-family: var(--font-a);
}

.font-b {
  font-family: var(--font-b);
}

.font-c {
  font-family: var(--font-c);
}

.page {
  max-width: 780px;
  margin: 0 auto;
  padding: 5rem 2rem;
}

.page h1 {
  margin-top: 0;
  font-size: 1.9rem;
  letter-spacing: 0.01em;
}

.page p,
.page li {
  font-size: 1rem;
}

.page ul {
  padding-left: 1.2rem;
}

.theme-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1000;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  padding: 0.42rem 0.62rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--font-b);
  cursor: pointer;
  border-radius: 6px;
}

.theme-toggle:hover {
  opacity: 0.85;
}

@media (max-width: 820px) {
  .shell,
  .page {
    padding: 2.3rem 1.2rem;
  }

  .profile-grid {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }

  .divider {
    display: none;
  }

  .lhs {
    padding-bottom: 1.2rem;
    border-bottom: 1px solid var(--line);
  }

  .lhs .is-name {
    font-size: clamp(1.52rem, 5.35vw, 1.9rem);
  }

  .avatar {
    width: 189px;
    height: 189px;
  }

  .intro {
    font-size: 1.1rem;
  }
}