:root {
  --red: #cc0000;
  --dark: #0d0d0d;
  --light: #f5f3ef;
  --muted: #7d7d7d;
  --border: rgba(0, 0, 0, 0.1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

body {
  background: var(--light);
  color: var(--dark);
  font-family: "Lora", Georgia, serif;
  overflow-x: hidden;
}

#bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.page {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 24px 120px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  animation: fadeUp 0.6s ease forwards;
}

.reveal:nth-child(1) { animation-delay: 0.1s; }
.reveal:nth-child(2) { animation-delay: 0.25s; }
.reveal:nth-child(3) { animation-delay: 0.4s; }
.reveal:nth-child(4) { animation-delay: 0.55s; }
.reveal:nth-child(5) { animation-delay: 0.7s; }
.reveal:nth-child(6) { animation-delay: 0.85s; }
.reveal:nth-child(7) { animation-delay: 1s; }
.reveal:nth-child(8) { animation-delay: 1.15s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: none;
  }
}

header {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  margin-bottom: 64px;
}

.photo {
  flex-shrink: 0;
  width: 114px;
  height: 134px;
  background: #ddd;
  border: 2px solid var(--border);
  overflow: hidden;
  position: relative;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}

.photo::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  width: 24px;
  height: 24px;
  border-top: 3px solid var(--red);
  border-left: 3px solid var(--red);
  transition: width 0.3s, height 0.3s;
  pointer-events: none;
  z-index: 2;
}

.photo:hover::before {
  width: calc(100% + 4px);
  height: calc(100% + 4px);
}

.photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
  transition: transform 0.45s var(--ease-out), filter 0.45s var(--ease-out);
}

.header-text h1 {
  font-family: "Syne", sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.header-text h1 span {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--red);
  border-radius: 50%;
  margin-left: 4px;
  vertical-align: middle;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }

  50% {
    transform: scale(1.5);
    opacity: 0.6;
  }
}

.subtitle {
  font-family: "Syne", sans-serif;
  font-size: 0.9rem;
  color: #151515;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 8px 0 16px;
  display: inline-block;
  padding: 4px 9px;
  background: rgba(245, 243, 239, 0.94);
  border: 1px solid var(--border);
  box-shadow: 0 4px 10px rgba(13, 13, 13, 0.08);
  transition: transform 0.28s var(--ease-out), box-shadow 0.28s var(--ease-out);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.links a {
  font-family: "Syne", sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--dark);
  text-decoration: none;
  border-bottom: 2px solid var(--red);
  padding-bottom: 1px;
  text-shadow:
    0 0 4px var(--light),
    0 0 8px var(--light),
    0 0 12px var(--light),
    1px 1px 6px var(--light),
    -1px -1px 6px var(--light);
  transition: color 0.22s var(--ease-out), transform 0.22s var(--ease-out), border-color 0.22s var(--ease-out);
}

.links a:hover {
  color: var(--red);
  transform: translateY(-2px);
  border-color: #8f0000;
}

section {
  margin-bottom: 52px;
  background: rgba(245, 243, 239, 0.92);
  border: 1px solid var(--border);
  padding: 18px 18px 14px;
  box-shadow: 0 10px 26px rgba(13, 13, 13, 0.08);
  content-visibility: auto;
  contain-intrinsic-size: 540px;
  transition: transform 0.38s var(--ease-out), box-shadow 0.38s var(--ease-out), border-color 0.38s var(--ease-out);
}

#about {
  content-visibility: visible;
  contain-intrinsic-size: auto;
}

section h2 {
  margin-bottom: 14px;
}

h2 {
  font-family: "Syne", sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

h2::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
  transform-origin: left center;
  transition: transform 0.35s var(--ease-out), background 0.35s var(--ease-out);
}

p {
  font-size: 0.97rem;
  line-height: 1.75;
  margin-bottom: 12px;
}

section p {
  color: #121212;
  font-size: 1.01rem;
  line-height: 1.82;
  max-width: 66ch;
  margin-bottom: 14px;
}

section p a {
  font-weight: 600;
}

p a,
li a {
  color: var(--red);
  text-decoration: none;
}

p a:hover,
li a:hover {
  text-decoration: underline;
}

.about-graphic {
  width: min(270px, 100%);
  border: 1px solid var(--border);
  display: block;
  margin: 8px auto 0;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
}

/* Emphasize research terms in the About section */
.research-term {
  font-weight: 900;
  font-size: 1.25rem;
}

.pub {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left 0.26s var(--ease-out), transform 0.26s var(--ease-out), background 0.26s var(--ease-out);
}

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

.pub:hover {
  padding-left: 8px;
  transform: translateX(2px);
  background: linear-gradient(90deg, rgba(204, 0, 0, 0.06) 0%, rgba(204, 0, 0, 0) 32%);
}

.pub em {
  font-style: italic;
}

.pub .tags {
  margin-top: 5px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-family: "Syne", sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pub .tags a {
  color: var(--red);
  text-decoration: none;
  transition: transform 0.2s var(--ease-out), opacity 0.2s var(--ease-out);
}

.pub .tags a:hover {
  transform: translateY(-1px);
  opacity: 0.75;
}

ul {
  list-style: none;
}

ul li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.93rem;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  transition: transform 0.22s var(--ease-out), background 0.22s var(--ease-out), border-color 0.22s var(--ease-out);
}

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

.tag {
  flex-shrink: 0;
  font-family: "Syne", sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.04em;
  padding-top: 3px;
  width: 76px;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.photo-grid figure {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
  margin: 0;
  padding: 4px;
  overflow: hidden;
  transition: transform 0.36s var(--ease-out), box-shadow 0.36s var(--ease-out), border-color 0.36s var(--ease-out);
}

.photo-grid img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  transition: transform 0.45s var(--ease-out), filter 0.45s var(--ease-out);
}

.photo-grid figcaption {
  font-family: "Syne", sans-serif;
  font-size: 0.62rem;
  color: var(--muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: transform 0.28s var(--ease-out), color 0.28s var(--ease-out), letter-spacing 0.28s var(--ease-out);
}

footer {
  margin-top: 80px;
  font-family: "Syne", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--red);
  text-shadow:
    0 0 4px var(--light),
    0 0 8px var(--light),
    0 0 12px var(--light),
    1px 1px 6px var(--light),
    -1px -1px 6px var(--light);
}

.footer-cat {
  margin-top: 12px;
  width: 90px;
  display: block;
  transition: transform 0.35s var(--ease-out), filter 0.35s var(--ease-out);
}

@media (hover: hover) {
  header:hover .photo {
    transform: translateY(-3px);
    box-shadow: 0 12px 20px rgba(13, 13, 13, 0.14);
  }

  header:hover .photo img {
    transform: scale(1.04);
    filter: contrast(1.04);
  }

  header:hover .subtitle {
    transform: translateY(-1px);
    box-shadow: 0 7px 14px rgba(13, 13, 13, 0.12);
  }

  section:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 30px rgba(13, 13, 13, 0.12);
    border-color: rgba(0, 0, 0, 0.2);
  }

  section:hover h2::after {
    transform: scaleX(1.06);
    background: rgba(204, 0, 0, 0.35);
  }

  #about:hover .about-graphic {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 10px 18px rgba(13, 13, 13, 0.13);
    border-color: rgba(0, 0, 0, 0.2);
  }

  ul li:hover {
    transform: translateX(3px);
    background: rgba(255, 255, 255, 0.36);
    border-color: rgba(0, 0, 0, 0.18);
  }

  .photo-grid figure:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 24px rgba(13, 13, 13, 0.12);
    border-color: rgba(0, 0, 0, 0.24);
  }

  .photo-grid figure:hover img {
    transform: scale(1.06);
    filter: saturate(1.06) contrast(1.03);
  }

  .photo-grid figure:hover figcaption {
    transform: translateY(-1px);
    color: #343434;
    letter-spacing: 0.06em;
  }

  footer:hover .footer-cat {
    transform: translateX(5px) rotate(4deg);
    filter: drop-shadow(0 6px 10px rgba(0, 0, 0, 0.2));
  }
}

@media (prefers-reduced-motion: reduce) {
  .photo,
  .photo img,
  .subtitle,
  .links a,
  section,
  h2::after,
  .about-graphic,
  .pub,
  .pub .tags a,
  ul li,
  .photo-grid figure,
  .photo-grid img,
  .photo-grid figcaption,
  .footer-cat {
    transition: none !important;
  }
}

@media (max-width: 760px) {
  .links {
    gap: 14px;
  }

  .links a {
    font-size: 0.92rem;
    border-bottom-width: 3px;
    padding-bottom: 2px;
  }

  .photo-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  header {
    flex-direction: column;
  }

  .photo {
    width: 120px;
    height: 142px;
  }

  .photo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}