:root {
  --ink: #15202b;
  --muted: #64707d;
  --line: #dfe5ea;
  --paper: #ffffff;
  --wash: #f6f8fa;
  --accent: #b94700;
  --accent-dark: #873600;
  --link: #1769aa;
  --shadow: 0 16px 40px rgba(29, 45, 59, 0.08);
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-dark); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  padding: 0.55rem 0.8rem;
  background: var(--ink);
  color: #fff;
}
.skip-link:focus { left: 0.75rem; top: 0.75rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 1180px;
  min-height: 68px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.wordmark {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.site-nav { display: flex; align-items: center; gap: 0.25rem; }
.site-nav a {
  color: #3d4954;
  padding: 0.45rem 0.7rem;
  border-radius: 5px;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}
.site-nav a:hover { background: var(--wash); color: var(--accent-dark); }
.site-nav a[aria-current="page"] { color: var(--accent); }

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fff;
  padding: 0.45rem 0.65rem;
  color: var(--ink);
  font: inherit;
}

.page-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 3.25rem 1.5rem 5rem;
  display: grid;
  grid-template-columns: 252px minmax(0, 1fr);
  gap: 4.5rem;
}

.profile { position: sticky; top: 102px; align-self: start; }
.profile-photo {
  display: block;
  width: 190px;
  height: 190px;
  margin-bottom: 1.35rem;
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% 30%;
  border: 6px solid #fff;
  box-shadow: 0 0 0 1px var(--line), var(--shadow);
}

.profile h1 {
  margin: 0 0 0.25rem;
  font-family: var(--serif);
  font-size: 1.65rem;
  line-height: 1.2;
}

.profile-role { margin: 0 0 1.1rem; color: var(--muted); font-size: 0.96rem; line-height: 1.5; }
.profile-meta { list-style: none; margin: 0; padding: 0; font-size: 0.9rem; }
.profile-meta li { margin: 0.45rem 0; overflow-wrap: anywhere; }
.profile-meta span { display: inline-block; width: 1.4rem; color: var(--accent); }
.profile-links { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1.15rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0.48rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--ink);
  background: #fff;
  font-size: 0.88rem;
  font-weight: 650;
  text-decoration: none;
}
.button:hover { border-color: #bbc5cd; background: var(--wash); }
.button.primary { border-color: var(--accent); color: #fff; background: var(--accent); }
.button.primary:hover { border-color: var(--accent-dark); background: var(--accent-dark); color: #fff; }

.content { min-width: 0; }
.content-header { margin-bottom: 2.4rem; padding-bottom: 1.35rem; border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 0.55rem; color: var(--accent); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; }
.content-header h2 {
  margin: 0 0 0.65rem;
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
}
.lede { max-width: 760px; margin: 0; color: #45525d; font-family: var(--serif); font-size: 1.2rem; line-height: 1.65; }

.section { margin-top: 3rem; }
.section h3 {
  margin: 0 0 1.15rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 1.45rem;
}
.section-intro { color: var(--muted); margin-top: -0.55rem; }
.prose { max-width: 780px; }
.prose p:first-child { margin-top: 0; }

.interest-list { display: flex; flex-wrap: wrap; gap: 0.55rem; margin: 1.2rem 0 0; padding: 0; list-style: none; }
.interest-list li { padding: 0.38rem 0.7rem; border: 1px solid #e3d2c8; border-radius: 999px; background: #fff9f5; color: #6d3210; font-size: 0.88rem; }

.news-list { margin: 0; padding: 0; list-style: none; }
.news-list li { display: grid; grid-template-columns: 108px 1fr; gap: 1rem; padding: 0.65rem 0; border-bottom: 1px solid #edf0f2; }
.news-list time { color: var(--accent-dark); font-family: var(--serif); font-size: 0.95rem; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { position: relative; padding: 0 0 1.7rem 1.35rem; border-left: 2px solid #e4e8eb; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before { content: ""; position: absolute; left: -6px; top: 0.45rem; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.timeline h4 { margin: 0; font-family: var(--serif); font-size: 1.08rem; }
.timeline p { margin: 0.15rem 0 0; color: var(--muted); }

.pub-list { display: grid; gap: 1.35rem; }
.publication {
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 4px;
  background: #fff;
}
.pub-type { color: var(--accent-dark); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.11em; text-transform: uppercase; }
.publication h3, .publication h4 { margin: 0.3rem 0 0.45rem; font-family: var(--serif); font-size: 1.17rem; line-height: 1.35; }
.publication p { margin: 0.28rem 0; }
.authors { color: #3e4a55; }
.venue { color: var(--muted); font-style: italic; }
.pub-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.9rem; }
.pub-actions a { font-size: 0.82rem; font-weight: 700; text-decoration: none; }

.research-card { padding: 1.6rem 0 2rem; border-bottom: 1px solid var(--line); }
.research-card:first-child { padding-top: 0; }
.research-card h3 { margin: 0 0 0.35rem; font-family: var(--serif); font-size: 1.42rem; line-height: 1.35; }
.research-card .meta { margin: 0 0 1rem; color: var(--muted); font-size: 0.9rem; }
.research-card .result { padding: 0.85rem 1rem; border-left: 3px solid #d5a17f; background: #fff8f3; }
.research-card .result strong { color: var(--accent-dark); }

.cv-toolbar { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-bottom: 1rem; }
.pdf-frame { width: 100%; height: 980px; border: 1px solid var(--line); border-radius: 5px; background: var(--wash); }

.site-footer { border-top: 1px solid var(--line); background: var(--wash); color: var(--muted); }
.footer-inner { max-width: 1180px; margin: 0 auto; padding: 1.4rem 1.5rem; display: flex; justify-content: space-between; gap: 1rem; font-size: 0.83rem; }

@media (max-width: 850px) {
  .header-inner { min-height: 60px; }
  .nav-toggle { display: block; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 60px; padding: 0.65rem 1rem 1rem; border-bottom: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
  .site-nav.open { display: grid; }
  .site-nav a { padding: 0.65rem 0.75rem; }
  .page-shell { grid-template-columns: 1fr; gap: 2.5rem; padding-top: 2rem; }
  .profile { position: static; display: grid; grid-template-columns: 128px 1fr; gap: 1.2rem; align-items: center; }
  .profile-photo { width: 128px; height: 128px; margin: 0; border-width: 4px; }
  .profile-meta, .profile-links { grid-column: 1 / -1; }
  .profile-links { margin-top: 0; }
  .content-header { margin-bottom: 1.7rem; }
  .pdf-frame { height: 720px; }
}

@media (max-width: 520px) {
  .header-inner, .page-shell, .footer-inner { padding-left: 1rem; padding-right: 1rem; }
  .profile { grid-template-columns: 96px 1fr; gap: 1rem; }
  .profile-photo { width: 96px; height: 96px; }
  .profile h1 { font-size: 1.4rem; }
  .profile-role { font-size: 0.88rem; }
  .news-list li { grid-template-columns: 1fr; gap: 0.05rem; }
  .publication { padding: 1.1rem; }
  .footer-inner { flex-direction: column; }
}

@media print {
  .site-header, .site-footer, .profile-links { display: none; }
  .page-shell { display: block; padding: 0; }
  .profile { position: static; margin-bottom: 2rem; }
  .profile-photo { width: 120px; height: 120px; }
  a { color: inherit; }
}