:root {
  --bg: #04060e;
  --bg-soft: #0a0f1e;
  --ink: #e8ecf6;
  --ink-dim: #9aa5bd;
  --accent: #8fd0ff;
  --accent-warm: #ffd9a0;
  --line: rgba(143, 208, 255, 0.14);
  --card: rgba(13, 19, 38, 0.55);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

#sky {
  position: fixed;
  inset: 0;
  z-index: 0;
}

.sky-note {
  margin-top: 1.2rem;
  font-size: 0.8rem;
  font-style: italic;
  color: rgba(154, 165, 189, 0.75);
  letter-spacing: 0.03em;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem clamp(1.5rem, 5vw, 4rem);
  background: linear-gradient(rgba(4, 6, 14, 0.85), rgba(4, 6, 14, 0));
  backdrop-filter: blur(6px);
}

nav .brand {
  font-family: "Fraunces", serif;
  font-size: 1.25rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.02em;
}

nav .links { white-space: nowrap; }

nav .links a {
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-left: clamp(0.8rem, 2.2vw, 2.2rem);
  transition: color 0.25s;
}

nav .links a:hover, nav .links a.active { color: var(--accent); }

@media (max-width: 760px) {
  nav { flex-direction: column; gap: 0.55rem; padding: 0.85rem 1rem; }
  nav .links { white-space: normal; display: flex; flex-wrap: wrap; justify-content: center; }
  nav .links a { margin: 0 0.55rem; font-size: 0.72rem; }
}

header {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 1.5rem;
}

header .pre {
  font-size: 0.78rem;
  letter-spacing: 0.45em;
  color: var(--accent);
  margin-bottom: 1.4rem;
}

header h1 {
  font-family: "Fraunces", serif;
  font-weight: 300;
  font-size: clamp(3.2rem, 9vw, 6.5rem);
  letter-spacing: 0.01em;
  line-height: 1.05;
}

.aka {
  margin-top: 0.7rem;
  font-family: "Fraunces", serif;
  font-style: italic;
  font-size: clamp(1.05rem, 2.2vw, 1.5rem);
  color: var(--ink-dim);
  letter-spacing: 0.14em;
}

header .tagline {
  margin-top: 1.6rem;
  max-width: 34rem;
  text-wrap: balance;
  color: #c3ccdf;
  font-size: clamp(1rem, 2vw, 1.15rem);
}

header, .page-head, section h2, .topic {
  text-shadow: 0 1px 14px rgba(4, 6, 14, 0.95), 0 0 4px rgba(4, 6, 14, 0.7);
}

.btn { text-shadow: none; }

.hero-actions { margin-top: 2.6rem; display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

.btn {
  display: inline-block;
  padding: 0.75rem 1.7rem;
  border-radius: 999px;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: all 0.3s;
}

.btn.primary {
  color: #04121f;
  background: var(--accent);
  border: 1px solid var(--accent);
}

.btn.primary:hover { background: #b5e0ff; box-shadow: 0 0 32px rgba(143, 208, 255, 0.35); }

.btn.ghost {
  color: var(--ink);
  border: 1px solid rgba(232, 236, 246, 0.25);
}

.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }

.scroll-cue {
  position: absolute;
  bottom: 2.2rem;
  width: 22px;
  height: 36px;
  border: 1.5px solid rgba(232, 236, 246, 0.3);
  border-radius: 12px;
}

.scroll-cue span {
  position: absolute;
  left: 50%;
  top: 7px;
  width: 3px;
  height: 7px;
  margin-left: -1.5px;
  border-radius: 2px;
  background: var(--accent);
  animation: cue 2s infinite;
}

@keyframes cue {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(12px); opacity: 0; }
  100% { opacity: 0; }
}

.page-head {
  position: relative;
  z-index: 1;
  min-height: 48vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  text-align: center;
  padding: 7rem 1.5rem 3rem;
}

.page-head .pre {
  font-size: 0.72rem;
  letter-spacing: 0.45em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.page-head h1 {
  font-family: "Fraunces", serif;
  font-weight: 300;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
}

.page-head .tagline {
  margin-top: 1rem;
  max-width: 44rem;
  color: var(--ink-dim);
}

.page-head code {
  font-family: ui-monospace, monospace;
  font-size: 0.85em;
  color: var(--accent);
}

.page-head .hero-actions { margin-top: 1.8rem; }

main { position: relative; z-index: 1; }

section {
  max-width: 62rem;
  margin: 0 auto;
  padding: clamp(4rem, 10vh, 7rem) clamp(1.5rem, 5vw, 3rem);
}

section h2 {
  font-family: "Fraunces", serif;
  font-weight: 400;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 2.2rem;
}

section h2 .num {
  font-size: 0.55em;
  color: var(--accent);
  vertical-align: 0.5em;
  margin-right: 0.8em;
  letter-spacing: 0.15em;
}

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.in { opacity: 1; transform: none; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 2.5rem;
  align-items: start;
}

.about-grid p + p { margin-top: 1rem; color: var(--ink-dim); }

.portrait img {
  display: block;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
  border: 1px solid rgba(143, 208, 255, 0.34);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.45), 0 0 24px rgba(143, 208, 255, 0.09);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.4rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.8rem 1.6rem;
  backdrop-filter: blur(8px);
  transition: transform 0.35s, border-color 0.35s, box-shadow 0.35s;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(143, 208, 255, 0.45);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45);
}

.glyph { width: 48px; height: 48px; color: var(--accent); margin-bottom: 1.1rem; }
.glyph svg { width: 100%; height: 100%; }

.card h3 { font-family: "Fraunces", serif; font-weight: 400; font-size: 1.25rem; margin-bottom: 0.6rem; }
.card p { color: var(--ink-dim); font-size: 0.94rem; }

.section-note { color: var(--ink-dim); font-size: 0.9rem; margin: -1.2rem 0 2rem; }
.section-note a { color: var(--accent); }

.pubs { list-style: none; margin-bottom: 2.2rem; }

.pubs li {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.pubs li:first-child { border-top: 1px solid var(--line); }

.pubs .year, .timeline .year {
  font-family: "Fraunces", serif;
  color: var(--accent);
  font-size: 1rem;
  padding-top: 0.15rem;
  white-space: nowrap;
}

.pubs h3 { font-weight: 500; font-size: 1.05rem; margin-bottom: 0.3rem; }
.pubs p { color: var(--ink-dim); font-size: 0.9rem; }
.pubs strong { color: var(--ink); font-weight: 500; }
.pubs .venue a { color: var(--accent); text-decoration: none; }
.pubs .venue a:hover { text-decoration: underline; }

.timeline { list-style: none; margin: 1.6rem 0 2.2rem; }

.timeline li {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1.5rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}

.timeline h3 { font-weight: 500; font-size: 1.02rem; }
.timeline p { color: #dfe4ef; font-size: 0.9rem; max-width: 44rem; }
.timeline p + p { margin-top: 0.4rem; }

.timeline, .pubs, .photo-info {
  text-shadow: 0 1px 8px rgba(2, 4, 10, 0.92), 0 0 3px rgba(2, 4, 10, 0.7);
}
.pubs p, .photo-desc, .topic p { color: #dfe4ef; }

header h1, .page-head h1, section h2,
.timeline h3, .pubs h3, .card h3, .photo-info h3 {
  color: #fff;
}

#cv > p { color: var(--ink-dim); }

.contact-line { color: var(--ink-dim); margin-bottom: 2rem; font-size: 1.05rem; }

.contact-links { display: flex; gap: 1rem; flex-wrap: wrap; }

.contact-links a {
  color: var(--ink);
  text-decoration: none;
  border: 1px solid rgba(232, 236, 246, 0.22);
  border-radius: 999px;
  padding: 0.6rem 1.5rem;
  font-size: 0.92rem;
  transition: all 0.3s;
}

.contact-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 24px rgba(143, 208, 255, 0.2);
}

footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 3rem 1.5rem 2.5rem;
  color: var(--ink-dim);
  font-size: 0.82rem;
  border-top: 1px solid var(--line);
}

.topic { border-top: 1px solid var(--line); }
.topic:first-child { border-top: none; }
.topic .glyph { margin-bottom: 1rem; }
.topic h2 { margin-bottom: 1.2rem; }
.topic p { max-width: 46rem; }
.topic p + p { margin-top: 1rem; color: var(--ink-dim); }

.chips { display: flex; flex-wrap: wrap; gap: 0.7rem; }

.chips span {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 0.45rem 1.1rem;
  font-size: 0.88rem;
  color: var(--ink-dim);
}

section.wide { max-width: 76rem; }

.gallery {
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 7vh, 5rem);
}

.photo-row {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.photo-row:nth-child(even) { grid-template-columns: 2fr 3fr; }
.photo-row:nth-child(even) .photo-info { order: 1; }
.photo-row:nth-child(even) .photo-frame { order: 2; }

.photo-frame {
  position: relative;
  aspect-ratio: 3 / 2;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.45);
}

.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: zoom-in;
  transition: transform 0.5s ease;
}

.photo-frame:hover img { transform: scale(1.03); }

.shot-ph {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
  padding: 1rem;
}

.shot-ph span { font-family: "Fraunces", serif; font-size: 1.15rem; }
.shot-ph em { font-size: 0.78rem; color: var(--ink-dim); font-style: normal; }

.photo-row.missing img { display: none; }
.photo-row.missing .shot-ph { display: flex; }
.photo-row.missing .photo-frame { border-style: dashed; border-color: rgba(143, 208, 255, 0.35); box-shadow: none; }

.photo-info h3 {
  font-family: "Fraunces", serif;
  font-weight: 400;
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  margin-bottom: 0.5rem;
}

.photo-meta {
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}

.photo-desc { color: var(--ink-dim); font-size: 0.95rem; }
.photo-desc strong { color: var(--ink); font-weight: 500; }
.photo-desc a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.photo-desc a:hover { color: #b5e0ff; }

@media (max-width: 760px) {
  .photo-row, .photo-row:nth-child(even) { grid-template-columns: 1fr; gap: 1.1rem; }
  .photo-row:nth-child(even) .photo-frame,
  .photo-row:nth-child(even) .photo-info { order: 0; }
}

#lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  background: rgba(2, 4, 10, 0.92);
  backdrop-filter: blur(10px);
  padding: 3rem 1.5rem;
}

#lightbox.open { display: flex; }

#lightbox img {
  max-width: min(92vw, 1200px);
  max-height: 78vh;
  border-radius: 10px;
}

#lightbox p { color: var(--ink-dim); font-size: 0.9rem; text-align: center; }

#lb-close {
  position: absolute;
  top: 1.2rem;
  right: 1.6rem;
  background: none;
  border: none;
  color: var(--ink);
  font-size: 2.2rem;
  cursor: pointer;
  line-height: 1;
}

a.card { text-decoration: none; color: inherit; display: block; }

.egg { color: inherit; text-decoration: none; cursor: default; }

@media (max-width: 640px) {
  .about-grid { grid-template-columns: 1fr; }
  .portrait { order: -1; }
  .portrait img { margin: 0 auto; }
  .pubs li, .timeline li { grid-template-columns: 1fr; gap: 0.3rem; }
}

.nowrap { white-space: nowrap; }

/* Research: where, with whom and when, under each project title. */
.topic .meta {
  color: var(--accent);
  font-size: 0.84rem;
  letter-spacing: 0.03em;
  margin: -0.5rem 0 1.1rem;
}
.topic h3 { font-weight: 500; font-size: 1.12rem; color: #fff; margin: 2.2rem 0 0.9rem; }
.topic h3 + .meta { margin-top: -0.5rem; margin-bottom: 0.7rem; }

/* CV: exact dates and the bullet points under each entry. */
.timeline .when { color: var(--ink-dim); font-size: 0.84rem; }
.timeline .points { list-style: disc; margin: 0.6rem 0 0.2rem 1.1rem; max-width: 44rem; }
.timeline .points li {
  display: list-item;
  padding: 0;
  border: 0;
  color: #dfe4ef;
  font-size: 0.9rem;
}
.timeline .points li + li { margin-top: 0.35rem; }

/* Publications while nothing is published: projects in progress. */
.pubs-note { color: #dfe4ef; max-width: 46rem; margin-bottom: 2rem; text-shadow: 0 1px 8px rgba(2, 4, 10, 0.92); }
.pubs.progress li { grid-template-columns: 6.5rem 1fr; }
.pubs.progress .year { font-size: 0.95rem; }

@media (max-width: 640px) {
  .pubs.progress li { grid-template-columns: 1fr; }
}