:root {
  --ink: #17150f;
  --paper: #f4f1ea;
  --muted: #6b6459;
  --faint: #a49c8e;
  --rule: #d8d2c6;
  --accent: #d8402f;
  --card: #ece7dd;
}
html[data-theme="dark"] {
  --ink: #ece7db;
  --paper: #16150f;
  --muted: #9a9284;
  --faint: #5f5849;
  --rule: #2e2b23;
  --accent: #ff5a45;
  --card: #1e1c15;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  transition: background 0.2s ease, color 0.2s ease;
}
.content { flex: 1 0 auto; padding-bottom: 70px; }
a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule); }
a:hover { color: var(--accent); border-color: var(--accent); }

.mono {
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 40px; }

/* ---- Masthead ---- */
header.top {
  border-bottom: 2px solid var(--ink);
}
.top-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  border: none;
  color: var(--ink);
}
.brand:hover { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a {
  border: none;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav-links a:hover { color: var(--accent); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::before { content: "→ "; color: var(--accent); }

.theme-toggle {
  background: none;
  border: 1px solid var(--rule);
  color: var(--muted);
  border-radius: 0;
  width: 30px;
  height: 30px;
  cursor: pointer;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

/* ---- Hero ---- */
.hero {
  padding: 52px 40px 30px;
  max-width: 1080px;
  margin: 0 auto;
  border-bottom: 1px solid var(--rule);
}
.hero .hero-row {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 44px;
}
.hero .hero-main { flex: 0 1 auto; min-width: 0; }
.hero .portrait {
  position: relative;
  width: 132px;
  height: 132px;
  border-radius: 50%;
  overflow: hidden;
  display: block;
  flex-shrink: 0;
}
.hero .portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero .kicker { display: block; }
.hero .name {
  margin: 12px 0 0;
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.hero .lead {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 22px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  font-weight: 500;
}
.hero .lead .accent { color: var(--accent); }
.hero .note { margin-top: 10px; }
.hero .dl {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--ink);
  padding: 8px 16px;
  color: var(--ink);
  flex-shrink: 0;
  white-space: nowrap;
  margin-left: auto;
}
.hero .dl:hover { background: var(--ink); color: var(--paper); }

/* ---- Content grid ---- */
.grid {
  max-width: 1080px;
  margin: 0 auto;
  padding: 50px 40px 20px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
}
.grid .label { padding-top: 4px; }
.grid .body { max-width: 640px; }
.grid .body p { margin: 0 0 16px; font-size: 16.5px; line-height: 1.6; }
.grid .body p:last-child { margin-bottom: 0; }

.section-rule { border: none; border-top: 1px solid var(--rule); max-width: 1080px; margin: 0 auto; }

/* ---- Publications ---- */
.pub {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  padding: 13px 0;
  border-top: 1px solid var(--rule);
}
.pub:first-of-type { border-top: none; }
.pub .idx { }
.pub .idx .year { display: block; font-size: 22px; color: var(--ink); letter-spacing: -0.02em; font-weight: 500; margin-top: 3px; }
.pub .title { font-weight: 600; font-size: 16.5px; line-height: 1.3; letter-spacing: -0.01em; display: block; margin-bottom: 3px; }
.pub .authors { display: block; color: var(--ink); font-size: 14px; }
.pub .me { color: var(--accent); font-weight: 700; }
.pub .venue { display: block; color: var(--muted); font-size: 13.5px; font-style: italic; margin: 2px 0 8px; }
.pub .btns { display: flex; gap: 10px; flex-wrap: wrap; }
.pub .btns a {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  padding: 4px 12px;
  color: var(--ink);
}
.pub .btns a:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.pagehead {
  max-width: 1080px;
  margin: 0 auto;
  padding: 56px 40px 30px;
  border-bottom: 1px solid var(--rule);
}
.pagehead h1 {
  font-size: clamp(40px, 7vw, 72px);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 14px 0 0;
}
.note { color: var(--muted); font-size: 13px; margin: 18px 0 0; }

/* ---- CV ---- */
.cv-head {
  max-width: 1080px;
  margin: 0 auto;
  padding: 56px 40px 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
  border-bottom: 1px solid var(--rule);
}
.cv-head h1 {
  font-size: clamp(40px, 7vw, 72px);
  letter-spacing: -0.03em;
  font-weight: 700;
  margin: 14px 0 0;
}
.cv-head a.dl {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--ink);
  padding: 8px 16px;
  color: var(--ink);
}
.cv-head a.dl:hover { background: var(--ink); color: var(--paper); }
.cv-frame {
  display: block;
  width: 100%;
  max-width: 1080px;
  margin: 24px auto 0;
  padding: 0 40px;
}
.cv-frame iframe {
  width: 100%;
  height: 84vh;
  border: 1px solid var(--rule);
}

/* ---- Footer ---- */
footer {
  border-top: 2px solid var(--ink);
}
.foot-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 22px 40px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.foot-inner a { border: none; }
.foot-inner a:hover { color: var(--accent); }

@media (max-width: 720px) {
  .wrap, .top-inner, .hero, .grid, .pagehead, .cv-head, .foot-inner { padding-left: 22px; padding-right: 22px; }
  .cv-frame { padding: 0 22px; }
  .grid { grid-template-columns: 1fr; gap: 16px; }
  .grid .label { padding-top: 0; }
  .pub { grid-template-columns: 1fr; gap: 8px; }
  .pub .idx .year { font-size: 20px; margin-top: 0; }
  .nav-links { gap: 14px; }
  .cv-frame iframe { height: 74vh; }
}