@import url("https://fonts.googleapis.com/css2?family=Newsreader:opsz,wght@6..72,600;6..72,700;6..72,800&family=Public+Sans:wght@400;500;600;700;800&family=Raleway:wght@400;500;600;700;800&display=swap");

:root {
  --bg-primary: #f3f6f8;
  --bg-secondary: #ffffff;
  --bg-elevated: rgba(255, 255, 255, 0.86);
  --card-background: #ffffff;
  --border-color: rgba(31, 47, 61, 0.12);
  --text-color: #18222d;
  --muted-text: #5d6978;
  --primary-color: #1f5275;
  --secondary-color: #2c6f77;
  --accent-color: #8b5f3c;
  --shadow: 0 18px 48px rgba(26, 41, 54, 0.07);
  --shadow-soft: 0 12px 30px rgba(26, 41, 54, 0.04);
  --width-medium: 1140px;
  --hero-stack-gap: 1.1rem;
  --section-stack-gap: 2.3rem;
  --section-heading-gap: 0.72rem;
  --section-title-size: clamp(1.9rem, 4vw, 2.35rem);
  --item-stack-gap: 0.55rem;
  --item-padding-y: 0.72rem;
  --visitor-globe-shift-x: 0px;
}

[data-theme="dark"] {
  --bg-primary: #111821;
  --bg-secondary: #17202a;
  --bg-elevated: rgba(23, 32, 42, 0.9);
  --card-background: #17202a;
  --border-color: rgba(255, 255, 255, 0.08);
  --text-color: #edf3f8;
  --muted-text: #aab7c5;
  --primary-color: #8db8d8;
  --secondary-color: #84c6c9;
  --accent-color: #d4a37b;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.3);
  --shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.2);
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  background: var(--bg-primary);
  color: var(--text-color);
  font-family: "Public Sans", sans-serif;
  line-height: 1.65;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  color: var(--text-color);
  font-family: "Newsreader", serif;
  font-weight: 800;
  line-height: 1.1;
}

p {
  color: var(--muted-text);
}

strong,
b {
  color: var(--text-color);
  font-weight: 800;
}

#hero {
  display: flex;
  flex-direction: column;
  min-height: auto;
  padding-bottom: 0;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(16px);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-color);
}

.navbar .container {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 78px;
}

.brand {
  color: var(--text-color);
  font-family: "Newsreader", serif;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav-menu {
  align-items: center;
  display: flex;
  gap: 1.25rem;
  margin-left: auto;
}

.nav-link {
  color: var(--muted-text);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text-color);
}

.theme-switch {
  align-items: center;
  display: flex;
  margin-left: 0.35rem;
}

#switch {
  display: none;
}

.toggle-icons {
  align-items: center;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  gap: 0.55rem;
  padding: 0.45rem 0.7rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.toggle-icons:hover {
  transform: translateY(-1px);
}

.toggle-icons img {
  height: 18px;
  width: 18px;
}

.hamburger {
  background: transparent;
  border: 0;
  cursor: pointer;
  display: none;
}

.bar {
  background: var(--text-color);
  border-radius: 999px;
  display: block;
  height: 2px;
  margin: 5px auto;
  transition: all 0.25s ease;
  width: 24px;
}

.header-container {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: var(--hero-stack-gap);
  justify-content: center;
  padding: 8rem 0 3rem;
  text-align: center;
}

.profile-image {
  border: 0;
  border-radius: 50%;
  box-shadow: var(--shadow);
  height: 172px;
  margin-top: 1.45rem;
  object-fit: cover;
  width: 172px;
}

.eyebrow {
  color: var(--primary-color);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  margin-top: 1.6rem;
  text-transform: uppercase;
}

.header-container h1 {
  font-size: clamp(1.35rem, 2.1vw, 1.65rem);
  margin-top: 0;
}

.hero-subtitle {
  font-size: 1.08rem;
  margin-top: 1.25rem;
  max-width: 760px;
}

.social {
  align-items: center;
  display: flex;
  gap: 0.9rem;
  justify-content: center;
  margin-top: 0;
}

.social a {
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  box-shadow: var(--shadow-soft);
  display: inline-flex;
  height: 48px;
  justify-content: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
  width: 48px;
}

.social a:hover {
  border-color: rgba(31, 79, 138, 0.35);
  transform: translateY(-2px);
}

.social img {
  height: 20px;
  width: 20px;
}

.hero-note {
  font-size: 0.96rem;
  margin-top: 1.4rem;
  max-width: 780px;
}

.section {
  padding: 0 0 0.8rem;
}

.section + .section {
  padding-top: var(--section-stack-gap);
}

main > .section:first-child {
  padding-top: var(--section-stack-gap);
}

.section-heading {
  margin-bottom: var(--section-heading-gap);
}

.section-heading h2 {
  font-family: "Newsreader", serif;
  font-size: var(--section-title-size);
  font-weight: 800;
  line-height: 1.08;
}

.section-note {
  margin-bottom: 0.8rem;
  max-width: 780px;
}

.text-block {
  max-width: 820px;
}

#about .text-block {
  max-width: none;
}

.text-block p + p {
  margin-top: 0.6rem;
}

.panel,
.experience-card,
.publication-card {
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.inline-link {
  color: var(--primary-color);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.experience-grid {
  display: grid;
  border-top: 0;
  gap: 0.18rem;
}

.experience-card {
  border-bottom: 0;
  padding: 0.56rem 0;
}

.experience-card__top {
  align-items: start;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
}

.experience-card__top h3 {
  font-family: "Public Sans", sans-serif;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.4;
  max-width: 760px;
}

.experience-card__top span {
  color: var(--primary-color);
  font-family: "Public Sans", sans-serif;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: none;
  white-space: nowrap;
}

.experience-card__role {
  color: var(--accent-color);
  font-family: "Public Sans", sans-serif;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 0.14rem 0 0.12rem;
  text-transform: none;
}

.experience-card__details {
  font-size: 0.92rem;
  line-height: 1.45;
  margin-top: 0;
}

.detail-label {
  color: var(--text-color);
  font-weight: 800;
}

.publications-section {
  padding-bottom: 4.5rem;
}

.publication-group {
  position: relative;
}

.publication-group + .publication-group {
  margin-top: 1.4rem;
}

.publication-group__header {
  margin-bottom: 0.3rem;
}

.publications-section .section-note,
.publication-group h3,
.publication-card__header h4,
.publication-card__authors,
.pub-status {
  font-family: "Raleway", sans-serif;
}

.publications-section .section-note {
  color: var(--text-color);
  font-size: 0.8rem;
  line-height: 1.35;
  margin-bottom: 0.6rem;
}

.publication-group h3 {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.publication-list {
  border-top: none;
  display: block;
}

.publication-card {
  border-bottom: 0;
  padding: var(--item-padding-y) 0;
}

.publication-card__header {
  align-items: baseline;
  display: block;
}

.publication-card__header h4 {
  color: var(--text-color);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.33;
  max-width: none;
}

.publication-card__authors {
  color: var(--muted-text);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.45;
  margin-top: 0.12rem;
}

.pub-status {
  background: transparent;
  border: 0;
  border-radius: 0;
  display: block;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.3;
  margin-top: 0.1rem;
  padding: 0;
  text-transform: none;
}

.pub-status--conference {
  color: #1a4fb0;
}

.pub-status--spotlight {
  color: #c43030;
}

.pub-status--findings,
.pub-status--journal {
  color: #1a4fb0;
}

.pub-status--preprint {
  display: none;
}

.visitor-globe {
  display: block;
  min-height: 56px;
  overflow: visible;
  text-align: center;
}

.visitor-globe--footer {
  display: flex;
  justify-content: center;
  margin: 2.2rem auto 1.1rem;
}

.visitor-globe .clstrm_outer {
  display: block !important;
  height: 200px !important;
  left: auto !important;
  margin: 0 auto !important;
  overflow: visible !important;
  position: relative !important;
  transform: translateX(-80px) scale(0.10) !important;
  transform-origin: top center;
  width: 200px !important;
}

.visitor-globe .clstrm_inner {
  transform: none;
  transform-origin: top left;
}

.visitor-globe .clstrm_bottom_shadow {
  display: none !important;
}

.visitor-globe script {
  display: block;
}

.visitor-note {
  font-size: 0.92rem;
  margin-top: 0.35rem;
  text-align: center;
}

.visitor-note code {
  background: rgba(31, 82, 117, 0.08);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--primary-color);
  font-family: "Public Sans", sans-serif;
  font-size: 0.88rem;
  padding: 0.15rem 0.45rem;
}

#footer {
  border-top: 1px solid var(--border-color);
  margin-top: 0.8rem;
  padding: 1.5rem 0 2.25rem;
}

#footer p {
  font-size: 0.88rem;
  text-align: center;
}

@media (max-width: 960px) {
  .publication-card__header,
  .experience-card__top {
    flex-direction: column;
  }

  .publication-card__header h4,
  .experience-card__top h3 {
    max-width: none;
  }
}

@media (max-width: 760px) {
  .navbar .container {
    min-height: 72px;
  }

  .nav-menu {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: 22px;
    box-shadow: var(--shadow);
    flex-direction: column;
    gap: 1rem;
    padding: 1.1rem 1rem;
    position: fixed;
    right: 1rem;
    top: 5.2rem;
    transform: translateY(-16px);
    visibility: hidden;
    opacity: 0;
    width: min(88vw, 300px);
  }

  .nav-menu.active {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
  }

  .hamburger {
    display: block;
  }

  .hamburger.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .header-container {
    justify-content: flex-start;
    padding-top: 7.2rem;
  }

  .section + .section {
    padding-top: 2rem;
  }

  .profile-image {
    height: 144px;
    width: 144px;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-note {
    font-size: 0.92rem;
  }
}

@media (max-width: 520px) {
  .section-heading {
    margin-bottom: 1rem;
  }

  .experience-card__top span {
    white-space: normal;
  }
}