:root {
  --bg: #060606;
  --bg-soft: #121212;
  --card: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.17);
  --text: #f5f5f5;
  --muted: #bcbcbc;
  --accent: #3fd0ff;
  --accent-2: #ffd166;
  --shadow: 0 20px 45px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 20%, rgba(63, 208, 255, 0.16), transparent 40%),
    radial-gradient(circle at 80% 10%, rgba(255, 209, 102, 0.15), transparent 35%),
    var(--bg);
  padding: 28px clamp(16px, 4vw, 48px) 40px;
  overflow-x: hidden;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: 0.18;
  z-index: -1;
}

.site-header {
  max-width: 980px;
  margin: 0 auto 24px;
}

.site-title {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.2rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-family: "IBM Plex Mono", monospace;
}

.section-tabs {
  max-width: 980px;
  margin: 0 auto 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 8px 0 10px;
  isolation: isolate;
}

.section-tabs::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  background: rgba(6, 6, 6, 0.58);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: opacity 140ms ease;
  z-index: -1;
}

.section-tabs.is-stuck::before {
  opacity: 1;
}

.tab-button {
  font: inherit;
  color: var(--text);
  border: 1px solid var(--card-border);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  padding: 11px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
  user-select: none;
}

.tab-button:hover {
  border-color: var(--accent);
}

.tab-button:active {
  transform: scale(0.96);
}

.tab-button.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(63, 208, 255, 0.4), 0 0 22px rgba(63, 208, 255, 0.25);
}

.content-shell {
  max-width: 980px;
  margin: 0 auto;
}

.site-footer {
  max-width: 980px;
  margin: 20px auto 0;
  text-align: center;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

.panel {
  animation: fadeUp 280ms ease;
  margin-bottom: 16px;
  scroll-margin-top: 88px;
}

.panel:last-child {
  margin-bottom: 0;
}

.home-hero {
  display: grid;
  gap: 22px;
}

.extras-card .extras-banner {
  margin: 0 auto 16px;
  width: min(100%, 740px);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--card-border);
}

.extras-card .extras-banner-image {
  width: 100%;
  height: clamp(300px, 44vw, 420px);
  display: block;
  object-fit: cover;
  object-position: bottom center;
}

.extras-card .extras-banner-caption {
  width: min(100%, 740px);
  margin: 8px auto 1.55em;
}

.home-hero-grid {
  display: grid;
  grid-template-columns: minmax(140px, 210px) minmax(0, 1fr);
  align-items: start;
  gap: clamp(18px, 4vw, 36px);
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: clamp(16px, 2.5vw, 24px);
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
}

.card h2 {
  margin-top: 0;
  margin-bottom: 12px;
}

.muted,
.caption {
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.9rem;
}

.home-photo-wrap {
  margin: 0;
  width: clamp(124px, 15.5vw, 176px);
}

.photo-placeholder {
  width: 100%;
  aspect-ratio: 4 / 5;
  border: 1px dashed rgba(255, 255, 255, 0.4);
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(63, 208, 255, 0.12), rgba(255, 209, 102, 0.1));
  font-family: "IBM Plex Mono", monospace;
  color: #fafafa;
  text-align: center;
  padding: 10px;
}

.profile-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 14px;
  object-fit: cover;
}

.home-identity {
  display: grid;
  gap: 8px;
}

.hero-name {
  margin: 0;
  font-size: clamp(1.8rem, 5.6vw, 3.2rem);
  line-height: 0.95;
}

.hero-role,
.hero-affiliation {
  margin: 0;
  font-size: clamp(1rem, 2.2vw, 1.35rem);
}

.hero-role {
  color: var(--text);
}

.hero-affiliation {
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
}

.hero-affiliation a {
  color: inherit;
  text-decoration-color: rgba(63, 208, 255, 0.7);
  text-underline-offset: 2px;
}

.hero-affiliation a:hover {
  color: var(--accent-2);
}

.social-links {
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  text-decoration: none;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color 120ms ease, transform 120ms ease, color 120ms ease;
}

.social-link svg {
  width: 19px;
  height: 19px;
  fill: currentColor;
}

.social-link-text {
  width: auto;
  padding: 0 12px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.social-link:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

.social-email {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.9rem;
  line-height: 1.2;
}

.social-email-label {
  color: #ffffff;
  display: inline-flex;
  align-items: center;
}

.social-email-label svg {
  width: 19px;
  height: 19px;
  fill: currentColor;
}

.home-intro p {
  margin: 0 0 12px;
}

.home-intro p:last-child {
  margin-bottom: 0;
}

.info-group {
  margin-bottom: 16px;
}

.info-group h3 {
  margin-bottom: 8px;
  color: var(--accent-2);
}

.info-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.info-item {
  border-left: 2px solid rgba(255, 255, 255, 0.25);
  padding: 8px 0 8px 12px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.info-year {
  font-family: "IBM Plex Mono", monospace;
  color: var(--accent);
  white-space: nowrap;
}

.info-detail {
  color: var(--text);
}

.info-detail a,
.info-note a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: currentColor;
  text-underline-offset: 2px;
}

.info-note {
  color: var(--muted);
  display: inline-flex;
  align-items: flex-start;
  gap: 6px;
}

.info-notes {
  display: grid;
  gap: 2px;
}

.info-note::before {
  content: "•";
  line-height: 1.2;
}

.info-item-empty {
  grid-template-columns: 1fr;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
}

.publications-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.publications-header h2 {
  margin: 0;
}

.first-only-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  user-select: none;
}

.first-only-toggle input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.first-only-switch {
  width: 32px;
  height: 18px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.12);
  position: relative;
  transition: background 180ms ease, border-color 180ms ease;
}

.first-only-switch::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 1px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #f2f2f2;
  transition: transform 180ms ease;
}

.first-only-toggle input:checked + .first-only-switch {
  background: rgba(63, 208, 255, 0.34);
  border-color: var(--accent);
}

.first-only-toggle input:checked + .first-only-switch::after {
  transform: translateX(14px);
}

.first-only-toggle input:focus-visible + .first-only-switch {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

.first-only-label {
  line-height: 1;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(7px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 760px) {
  body {
    padding-top: 18px;
  }

  .home-hero-grid {
    grid-template-columns: 1fr;
  }

  .home-photo-wrap {
    max-width: 176px;
    margin: 0 auto;
  }

  .info-item {
    gap: 2px;
  }

  .publications-header {
    flex-wrap: wrap;
  }
}

.publication-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.publication-item {
  border-left: 2px solid rgba(255, 255, 255, 0.25);
  padding: 8px 0 8px 12px;
  display: grid;
  gap: 6px;
}

.publication-year {
  margin: 0;
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
}

.publication-title {
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.3;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.publication-authors,
.publication-proceedings {
  margin: 0;
}

.first-author-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: #1f2328;
  background: var(--accent-2);
}

.publication-proceedings {
  color: var(--muted);
}

.author-highlight {
  color: var(--accent-2);
}

@keyframes publicationFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes publicationFadeOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-6px);
  }
}