:root {
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --accent: #8b5cf6;
  --accent-strong: #22d3ee;
  --accent-soft: rgba(139, 92, 246, 0.25);
  --hero-gradient: linear-gradient(135deg, #181d60 0%, #3e2fa9 42%, #0f87ff 100%);
  --hero-orb-1: radial-gradient(circle at 20% 20%, rgba(94, 234, 212, 0.55) 0%, rgba(94, 234, 212, 0) 60%);
  --hero-orb-2: radial-gradient(circle at 85% 0%, rgba(244, 114, 182, 0.5) 0%, rgba(244, 114, 182, 0) 65%);
  --body-gradient: radial-gradient(120% 120% at 10% 0%, rgba(63, 94, 251, 0.25) 0%, rgba(4, 10, 26, 0) 52%),
    radial-gradient(110% 110% at 90% 0%, rgba(34, 211, 238, 0.18) 0%, rgba(5, 11, 28, 0) 55%),
    linear-gradient(180deg, #030712 0%, #070f26 48%, #030510 100%);
  --text: rgba(232, 240, 255, 0.92);
  --muted: rgba(198, 208, 255, 0.74);
  --heading: #f8f9ff;
  --hero-muted: rgba(214, 225, 255, 0.78);
  --glass-bg: rgba(13, 22, 45, 0.72);
  --glass-border: rgba(142, 169, 255, 0.28);
  --glass-shadow: 0 35px 80px rgba(5, 9, 28, 0.55);
  --card-bg: linear-gradient(145deg, rgba(25, 40, 87, 0.95), rgba(16, 27, 60, 0.6));
  --card-border: rgba(144, 172, 255, 0.25);
  --card-shadow: 0 24px 60px rgba(7, 12, 32, 0.45);
  --chip-bg: rgba(88, 126, 255, 0.28);
  --chip-border: rgba(173, 209, 255, 0.55);
  --chip-text: rgba(235, 242, 255, 0.92);
  --news-border: rgba(57, 115, 255, 0.65);
  --publication-bg: linear-gradient(150deg, rgba(21, 35, 77, 0.92), rgba(16, 27, 56, 0.62));
  --publication-border: rgba(147, 197, 253, 0.28);
  --shadow-strong: 0 45px 90px rgba(2, 6, 20, 0.65);
}

* {
  box-sizing: border-box;
}

::selection {
  background: rgba(139, 92, 246, 0.35);
  color: #fff;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  line-height: 1.7;
  background: var(--body-gradient);
  color: var(--text);
  overflow-x: hidden;
  position: relative;
  background-size: 135% 135%, 155% 155%, 100% 100%;
  background-position: 0% 0%, 100% 0%, center;
  animation: auroraFlow 22s ease-in-out infinite;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease, text-shadow 0.25s ease;
}

a:hover,
a:focus {
  color: var(--accent-strong);
  text-shadow: 0 0 12px rgba(34, 211, 238, 0.45);
}

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

.container {
  width: min(1120px, calc(100% - 3rem));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.site-header {
  position: relative;
  overflow: hidden;
  background: var(--hero-gradient);
  border-bottom: none;
  box-shadow: var(--shadow-strong);
  color: var(--heading);
  padding-bottom: 2rem;
}

.site-header::before,
.site-header::after {
  content: '';
  position: absolute;
  inset: auto;
  width: 80vmax;
  height: 80vmax;
  pointer-events: none;
  opacity: 0.75;
  filter: blur(0.4px);
  animation-duration: 26s;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  will-change: transform;
}

.site-header::before {
  animation-name: orbDriftLeft;
  top: -30vmax;
  left: -10vmax;
  background: var(--hero-orb-1);
}

.site-header::after {
  animation-name: orbDriftRight;
  top: -22vmax;
  right: -30vmax;
  background: var(--hero-orb-2);
}

.site-header::before {
  animation-delay: -6s;
}

.site-header::after {
  animation-delay: -13s;
}

.site-header > .container {
  position: relative;
  z-index: 2;
}

.header-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  padding: 3.5rem 0 2.25rem;
  flex-wrap: wrap;
}

.identity {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.identity__avatar {
  width: 192px;
  height: 192px;
  border-radius: 32px;
  padding: 6px;
  border: 2px solid transparent;
  background: linear-gradient(#131b3b, #131b3b) padding-box,
    linear-gradient(135deg, rgba(139, 92, 246, 0.95), rgba(34, 211, 238, 0.9)) border-box;
  box-shadow: 0 24px 45px rgba(5, 10, 30, 0.55), 0 0 60px rgba(88, 165, 255, 0.45);
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.5s ease, box-shadow 0.5s ease, filter 0.5s ease;
  animation: float 9s ease-in-out infinite;
}

.identity__avatar:hover,
.identity__avatar:focus {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 28px 65px rgba(5, 10, 30, 0.6), 0 0 85px rgba(88, 165, 255, 0.55);
  filter: saturate(1.05);
}

.identity__text {
  max-width: 560px;
}

.identity__name {
  margin: 0;
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--heading);
}

.identity__role {
  margin: 0.35rem 0 0.75rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  text-transform: uppercase;
  letter-spacing: 0.22em;
}

.identity__tagline {
  margin: 0 0 1rem;
  color: var(--hero-muted);
  font-size: 1.05rem;
}

.identity__affiliations {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.identity__affiliations li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: rgba(13, 25, 66, 0.55);
  border: 1px solid rgba(170, 196, 255, 0.35);
  color: var(--heading);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.identity__affiliations li a {
  color: inherit;
}

.identity__affiliations li:hover {
  transform: translateY(-2px);
  background: rgba(26, 46, 102, 0.8);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.contact-block {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  align-items: flex-end;
  text-align: right;
  font-size: 0.98rem;
  color: var(--hero-muted);
}

.contact-block__item {
  margin: 0;
}

.contact-block__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-end;
}

.contact-block__links a {
  color: var(--heading);
  font-weight: 600;
  padding-bottom: 0.2rem;
  border-bottom: 1px solid transparent;
}

.contact-block__links a:hover,
.contact-block__links a:focus {
  border-bottom-color: rgba(255, 255, 255, 0.65);
}


.site-nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-nav__toggle {
  display: none;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1.1rem;
  border-radius: 16px;
  border: 1px solid rgba(173, 196, 255, 0.2);
  background: rgba(13, 25, 66, 0.55);
  color: rgba(236, 242, 255, 0.95);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.site-nav__toggle-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.site-nav__toggle:focus-visible,
.site-nav__toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 35px rgba(10, 18, 46, 0.45);
  border-color: rgba(173, 196, 255, 0.45);
}

.site-nav__toggle-box {
  position: relative;
  width: 22px;
  height: 16px;
  display: grid;
  align-items: center;
}

.site-nav__toggle-line {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.9), rgba(34, 211, 238, 0.9));
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  padding: 0.85rem 1.85rem;
  margin-bottom: 0.5rem;
  border-radius: 999px;
  background: rgba(11, 22, 58, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(24px) saturate(140%);
  box-shadow: 0 22px 45px rgba(10, 18, 46, 0.45);
  color: rgba(230, 238, 255, 0.9);
}

.site-nav a {
  position: relative;
  padding-bottom: 0.35rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.site-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.9), rgba(34, 211, 238, 0.9));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.site-nav a:hover::after,
.site-nav a:focus::after {
  transform: scaleX(1);
}

.main-content {
  position: relative;
  padding: 5rem 0 6rem;
  display: grid;
  gap: 3.5rem;
  z-index: 1;
}

.main-content::before,
.main-content::after {
  content: '';
  position: absolute;
  z-index: 0;
  filter: blur(0.5px);
  opacity: 0.65;
}

.main-content::before {
  top: -8rem;
  left: -12rem;
  width: 36rem;
  height: 36rem;
  background: radial-gradient(circle at center, rgba(139, 92, 246, 0.25) 0%, rgba(139, 92, 246, 0) 70%);
  animation: pulseGlow 14s ease-in-out infinite;
}

.main-content::after {
  bottom: -10rem;
  right: -14rem;
  width: 40rem;
  height: 40rem;
  background: radial-gradient(circle at center, rgba(34, 211, 238, 0.22) 0%, rgba(34, 211, 238, 0) 70%);
  animation: pulseGlow 18s ease-in-out infinite reverse;
}

.section {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  padding: 2.75rem;
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(26px) saturate(140%);
  color: rgba(236, 242, 255, 0.92);
  overflow: hidden;
}

.section::before {
  content: '';
  position: absolute;
  inset: -30% 60% auto -20%;
  height: 160%;
  background: linear-gradient(140deg, rgba(139, 92, 246, 0.18), rgba(34, 211, 238, 0));
  opacity: 0.4;
  pointer-events: none;
}

.section-title {
  position: relative;
  margin: 0 0 1.85rem;
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--heading);
  display: inline-flex;
  align-items: center;
  padding-right: 3.5rem;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.6rem;
  width: 84px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.9), rgba(34, 211, 238, 0.4));
}

.section p {
  margin-top: 0;
  margin-bottom: 1.1rem;
  color: rgba(226, 234, 255, 0.88);
}

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

.card-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  padding: 1.8rem;
  border-radius: 24px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 30px 70px rgba(5, 10, 35, 0.5);
  border-color: rgba(170, 196, 255, 0.45);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.85rem;
  font-size: 1.2rem;
  color: var(--heading);
}

.card ul {
  margin: 0;
  padding-left: 1rem;
  color: rgba(214, 224, 255, 0.85);
}

.card ul li + li {
  margin-top: 0.4rem;
}

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

.chip {
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  color: var(--chip-text);
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  box-shadow: inset 0 0 18px rgba(10, 22, 54, 0.4);
}

.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.2rem;
}

.news-item {
  display: grid;
  gap: 0.45rem;
  border-left: 3px solid var(--news-border);
  padding-left: 1.2rem;
  background: linear-gradient(120deg, rgba(16, 33, 74, 0.45), rgba(19, 28, 63, 0));
  border-radius: 8px;
}

.news-item time {
  font-weight: 600;
  color: rgba(129, 178, 255, 0.95);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.publication-list {
  display: grid;
  gap: 1.5rem;
}

.publication {
  display: grid;
  gap: 0.65rem;
  padding: 1.85rem;
  border: 1px solid var(--publication-border);
  border-radius: 24px;
  background: var(--publication-bg);
  box-shadow: var(--card-shadow);
}

.publication__title {
  margin: 0;
  font-weight: 600;
  font-size: 1.18rem;
  color: var(--heading);
}

.publication__title a {
  color: inherit;
}

.publication__meta {
  color: rgba(207, 219, 255, 0.82);
  font-size: 0.98rem;
}

.publication__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.publication__links a {
  font-weight: 600;
  color: rgba(139, 215, 255, 0.95);
  text-decoration: underline;
  text-decoration-color: rgba(139, 215, 255, 0.4);
}

.empty-state {
  margin: 0;
  padding: 1.8rem;
  border-radius: 20px;
  border: 1px dashed rgba(173, 209, 255, 0.35);
  background: rgba(17, 31, 68, 0.35);
  text-align: center;
  color: rgba(205, 217, 255, 0.78);
}

.service-columns {
  display: grid;
  gap: 2.25rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.service-columns h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  color: var(--heading);
}

.service-columns ul {
  margin: 0;
  padding-left: 1rem;
  color: rgba(214, 224, 255, 0.85);
}

.site-footer {
  background: transparent;
  color: rgba(184, 199, 255, 0.6);
  padding: 2.5rem 0 3.5rem;
  text-align: center;
  font-size: 0.95rem;
}

@media (max-width: 1024px) {
  .header-layout {
    gap: 2.5rem;
  }

  .identity__avatar {
    width: 168px;
    height: 168px;
  }
}

@media (max-width: 880px) {
  .header-layout {
    flex-direction: column;
    align-items: flex-start;
  }

  .identity {
    align-items: flex-start;
  }

  .contact-block {
    align-items: flex-start;
    text-align: left;
  }

  .contact-block__links {
    justify-content: flex-start;
  }

  .site-nav {
    justify-content: flex-start;
    gap: 1.2rem;
    width: 100%;
    overflow-x: auto;
  }
}

@media (max-width: 720px) {
  .site-nav-wrapper {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav__toggle {
    display: inline-flex;
    align-self: flex-end;
  }

  .site-nav {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    width: 100%;
    margin: 0;
    padding: 1.1rem 1.25rem;
    border-radius: 20px;
    overflow: visible;
  }

  .site-nav.is-open {
    display: flex;
  }
}

@media (max-width: 640px) {
  .container {
    width: calc(100% - 2rem);
  }

  .identity__avatar {
    width: 148px;
    height: 148px;
  }

  .header-layout {
    gap: 2rem;
    align-items: center;
    text-align: center;
  }

  .identity {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
  }

  .identity__text {
    max-width: 100%;
  }

  .identity__affiliations {
    justify-content: center;
  }

  .contact-block {
    width: 100%;
    align-items: center;
    text-align: center;
    gap: 0.45rem;
  }

  .contact-block__links {
    width: 100%;
    justify-content: center;
  }

  .section {
    padding: 2.1rem;
  }

  .section-title {
    font-size: 1.6rem;
    padding-right: 2rem;
  }

  .card {
    padding: 1.6rem;
  }

  .publication {
    padding: 1.65rem;
  }

  .site-nav {
    padding: 0.75rem 1.2rem;
  }

  .main-content {
    gap: 2.6rem;
  }
}

@media (max-width: 480px) {
  .identity__avatar {
    width: 132px;
    height: 132px;
  }

  .header-layout {
    padding: 2.75rem 0 1.75rem;
  }

  .section {
    padding: 1.65rem;
    border-radius: 22px;
  }

  .section-title {
    font-size: 1.45rem;
  }

  .card,
  .publication {
    padding: 1.45rem;
    border-radius: 20px;
  }

  .chip {
    font-size: 0.92rem;
    padding: 0.5rem 0.9rem;
  }

  .news-item {
    padding-left: 1rem;
    border-left-width: 2px;
  }
}

@keyframes auroraFlow {
  0% {
    background-position: 0% 0%, 100% 0%, 50% 50%;
  }
  50% {
    background-position: 100% 50%, 0% 50%, 50% 50%;
  }
  100% {
    background-position: 0% 0%, 100% 0%, 50% 50%;
  }
}

@keyframes orbDriftLeft {
  0% {
    transform: translate(-35%, -35%) scale(1) rotate(0deg);
  }
  50% {
    transform: translate(-30%, -42%) scale(1.05) rotate(8deg);
  }
  100% {
    transform: translate(-35%, -35%) scale(1) rotate(0deg);
  }
}

@keyframes orbDriftRight {
  0% {
    transform: translate(-5%, -30%) scale(1) rotate(0deg);
  }
  50% {
    transform: translate(5%, -38%) scale(1.08) rotate(-6deg);
  }
  100% {
    transform: translate(-5%, -30%) scale(1) rotate(0deg);
  }
}

@keyframes pulseGlow {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(1);
  }
  50% {
    opacity: 0.85;
    transform: scale(1.08);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}