/* ---------- Tokens ---------- */
:root {
  --bg: #fafaf7;
  --bg-alt: #f1efe9;
  --surface: #ffffff;
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --ink-muted: #7a7a7a;
  --line: rgba(26, 26, 26, 0.1);
  --accent: #b34a2e;          /* warm amp-tube orange */
  --accent-soft: rgba(179, 74, 46, 0.12);
  --shadow: 0 2px 6px rgba(0, 0, 0, 0.04), 0 12px 30px rgba(0, 0, 0, 0.06);

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;

  --radius: 10px;
  --maxw: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1012;
    --bg-alt: #16181b;
    --surface: #1c1f23;
    --ink: #ececec;
    --ink-soft: #c8c8c8;
    --ink-muted: #8e8e8e;
    --line: rgba(255, 255, 255, 0.08);
    --accent: #ff8a5b;
    --accent-soft: rgba(255, 138, 91, 0.16);
    --shadow: 0 2px 6px rgba(0, 0, 0, 0.4), 0 12px 30px rgba(0, 0, 0, 0.45);
  }
  .news-thumb img { filter: brightness(0.92); }
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 120ms ease;
}
a:hover { color: var(--accent); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--bg);
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-weight: 600;
  color: var(--ink);
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--serif);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}
.brand-name { font-size: 0.98rem; }
.nav-links {
  display: flex;
  gap: 1.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  font-size: 0.94rem;
  color: var(--ink-soft);
}
.nav-links a:hover { color: var(--accent); }

@media (max-width: 640px) {
  .nav-links { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 2.75rem 0 2rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 240px) 1fr;
  gap: 2rem;
  align-items: center;
}
@media (max-width: 760px) {
  .hero { padding: 2rem 0 1.5rem; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    text-align: left;
  }
}
.hero-photo img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.74rem;
  color: var(--ink-muted);
  margin: 0 0 0.6rem;
  font-weight: 600;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2rem, 4.4vw, 2.9rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 0.7rem;
}
.cjk {
  display: block;
  font-family: var(--serif);
  font-size: 0.5em;
  font-weight: 500;
  color: var(--ink-muted);
  letter-spacing: 0.05em;
  margin-top: 0.15rem;
}
.lede {
  font-size: 1.02rem;
  color: var(--ink-soft);
  margin: 0 0 1rem;
  max-width: 60ch;
}
.link-row {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.link-row a {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.88rem;
  background: var(--surface);
  transition: border-color 120ms ease, color 120ms ease, transform 120ms ease;
}
.link-row a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

/* ---------- Sections ---------- */
.section {
  padding: 2.25rem 0;
  border-top: 1px solid var(--line);
}
.section-alt { background: var(--bg-alt); }
.section-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.55rem;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
  position: relative;
  padding-bottom: 0.3rem;
}
.section-title::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 30px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.prose {
  max-width: 70ch;
  color: var(--ink-soft);
}
.prose p { margin: 0 0 0.6rem; }
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--ink); }

/* ---------- News ---------- */
.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}
.news-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.2rem;
  padding: 0.9rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.news-item time {
  font-family: var(--serif);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.news-body h3 {
  margin: 0 0 0.15rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}
.news-body p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.news-link {
  display: inline-block;
  margin-left: 0.35rem;
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration-thickness: 1px;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .news-item { grid-template-columns: 1fr; gap: 0.25rem; padding: 0.9rem 1rem; }
}

/* ---------- Publications ---------- */
.pub-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}
.pub-list li {
  padding: 0.85rem 1.05rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  border-left: 3px solid var(--accent);
}
.pub-title {
  margin: 0 0 0.2rem;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--ink);
  line-height: 1.35;
}
.pub-meta {
  margin: 0 0 0.15rem;
  font-size: 0.85rem;
}
.venue {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 4px;
  font-weight: 600;
  letter-spacing: 0.02em;
  font-size: 0.78rem;
}
.pub-authors {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-muted);
}
.pub-title a {
  color: inherit;
  text-decoration: none;
}
.pub-title a:hover {
  color: var(--accent);
  text-decoration: underline;
}
.hint {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--ink-muted);
}

/* ---------- Subsection ---------- */
.subsection-title {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-muted);
  margin: 0 0 0.65rem;
}
.subsection-title + .timeline,
.subsection-title + .reviewer-list { margin-bottom: 1.25rem; }

/* ---------- Reviewer list ---------- */
.reviewer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}
.reviewer-list li {
  padding: 0.55rem 1rem;
  border-left: 2px solid var(--line);
}
.reviewer-list li:first-child { border-left-color: var(--accent); }
.reviewer-venue {
  margin: 0;
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--ink);
}
.reviewer-role {
  margin: 0.05rem 0 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}
.reviewer-role .when { color: var(--ink-muted); font-size: 0.85rem; }

/* ---------- Timeline ---------- */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  position: relative;
}
.role {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
}
.role-head h3,
.role-head h4 {
  margin: 0 0 0.1rem;
  font-size: 1.05rem;
  font-weight: 600;
}
.role-head .company {
  margin: 0;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.95rem;
}
.role-head .when {
  margin: 0.05rem 0 0.55rem;
  color: var(--ink-muted);
  font-size: 0.85rem;
  font-family: var(--serif);
  letter-spacing: 0.02em;
}
.dot { color: var(--ink-muted); margin: 0 0.4rem; }
.bullets {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
  font-size: 0.93rem;
}
.bullets li { margin-bottom: 0.2rem; }
.bullets li:last-child { margin-bottom: 0; }
.bullets strong { color: var(--ink); }

/* ---------- Education ---------- */
.edu-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}
.edu-list li {
  display: flex;
  flex-direction: column;
  padding: 0.5rem 1rem;
  border-left: 2px solid var(--line);
}
.edu-list li:first-child { border-left-color: var(--accent); }
.edu-degree {
  margin: 0;
  font-weight: 600;
  font-size: 0.98rem;
}
.edu-school {
  margin: 0.05rem 0 0;
  color: var(--ink-soft);
  font-size: 0.93rem;
}
.edu-school .when { color: var(--ink-muted); font-size: 0.88rem; }

/* ---------- Music ---------- */
.spotify-embed {
  margin-top: 0.9rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
}

/* ---------- Contact ---------- */
.contact-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.contact-row .section-title { margin-bottom: 0.5rem; }
.cta {
  display: inline-flex;
  align-items: center;
  padding: 0.85rem 1.4rem;
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background 120ms ease, transform 120ms ease;
}
.cta:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 1.25rem 0;
  color: var(--ink-muted);
  font-size: 0.88rem;
}
.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-links { display: flex; gap: 1.2rem; margin: 0; }
.footer-links a { text-decoration: none; color: var(--ink-muted); }
.footer-links a:hover { color: var(--accent); }
.footer p { margin: 0; }