body {
  background: #fff;
  /* Белый фон */
  color: #1a2a44;
}

html {
  scroll-behavior: smooth;
}

.nav-menu {
  position: sticky;
  top: 0;
  z-index: 999;
}

a,
button {
  transition: all 0.3s ease;
}

button.contrast-btn {
  background: none;
  border: none;
  color: white;
  font-size: 18px;
  cursor: pointer;
}

button.contrast-btn:hover {
  transform: scale(1.2);
}

/* Плавное появление блоЃов */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* РффеЃт наведения РЅР° меню */
.nav-menu ul li a {
  position: relative;
}

.nav-menu ul li a::after {
  content: "";
  position: absolute;
  left: 10%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: #1a2a44;
  transition: width 0.3s ease;
}

.nav-menu ul li a:hover::after {
  width: 80%;
}

/* Контрастная тема */
.high-contrast {
  background-color: black;
  color: white;
}

.high-contrast .nav-menu {
  background-color: black;
}

.high-contrast a,
.high-contrast span {
  color: #00ffff !important;
}

.high-contrast img {
  filter: brightness(0.8) contrast(1.2);
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
}

/* Верхняя панель */
.top-bar {
  background-color: #1a2a44;
  color: white;
  padding: 5px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}

.top-bar .left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.top-bar .right {
  display: flex;
  align-items: center;
  gap: 15px;
}

.top-bar a {
  color: white;
  text-decoration: none;
}

.top-bar a:hover {
  text-decoration: underline;
}

/* Основная шапЃа */
.header {
  background-color: white;
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #ddd;
}

.logo img {
  height: 80px;
  vertical-align: middle;
}

.site-title {
  text-align: center;
  font-size: 16px;
  color: #1a2a44;
  max-width: 70%;
  margin: 0 auto;
  line-height: 1.4;
}

.search-bar {
  display: flex;
  align-items: center;
}

.search-bar input {
  padding: 5px 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 14px;
}

.search-bar input:focus {
  outline: none;
  border-color: #1a2a44;
}

/* Навигационное меню */
.nav-menu {
  background-color: #f8f8f8;
  padding: 10px 20px;
  border-bottom: 1px solid #ddd;
}

.nav-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.nav-menu ul li a {
  position: relative;
}

.nav-menu ul li a::after {
  content: "";
  position: absolute;
  left: 10%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: #1a2a44;
  transition: width 0.3s ease;
}

.nav-menu ul li a:hover::after {
  width: 80%;
}

.nav-menu ul li {
  position: relative;
  font-size: 14px;
  display: flex;
  /* <-- вместо inline-block */
  align-items: center;
  /* выравнивает текст по вертикали */
}


.nav-menu ul li a,
.nav-menu ul li span {
  color: #1a2a44;
  text-decoration: none;
  padding: 5px 10px;
  display: block;
  line-height: normal;
}


.nav-menu ul li span {
  position: relative;
  top: 1px;
  /* попробуй 1px или 2px */
}


.nav-menu ul li a:hover {
  color: #003087;
}

.nav-menu .has-dropdown a::after {
  font-size: 0.7em;
  margin-left: 5px;
}

.nav-menu .dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: white;
  border: 1px solid #ddd;
  border-top: none;
  display: none;
  min-width: 150px;
  z-index: 1;
}

.nav-menu .dropdown a {
  display: block;
  padding: 5px 10px;
  color: #1a2a44;
  text-decoration: none;
}

.nav-menu .dropdown-toggle {
    display: none;
}

.nav-menu .dropdown-toggle:checked + .menu-title + .dropdown {
    display: block;
}

.nav-menu .menu-title {
    padding: 5px 10px;
    cursor: pointer;
    display: block;
    color: #1a2a44;
    text-decoration: none;
}

.nav-menu .dropdown a:hover {
  background-color: #f0f0f0;
}
.nav-menu ul li:hover > .dropdown {
    display: block;
}

.nav-menu ul li:hover > .menu-title,
.nav-menu ul li a:hover {
    color: #003087;
}

.nav-menu ul li:hover .dropdown {
  display: block;
}

@media (max-width: 768px) {
  .top-bar {
    flex-direction: column;
    gap: 5px;
    font-size: 12px;
  }

  .header {
    flex-direction: column;
    gap: 10px;
  }

  .site-title {
    font-size: 14px;
    max-width: 100%;
  }

  .logo img {
    height: 60px;
  }

  .nav-menu ul {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .nav-menu .dropdown {
    position: static;
    display: none;
    width: 100%;
    box-shadow: none;
  }

  .nav-menu ul li:hover .dropdown {
    display: block;
  }

  .nav-menu ul li:hover > .dropdown {
        display: none; /* отключаем hover на мобильных */
    }
}

/* 📹 Слайдер новостей */
.news-section {
  position: relative;
  background-color: #f0f0f0;
  padding: 30px 0;
  border-bottom: 1px solid #ddd;
  overflow: hidden;
}

.news-title {
  text-align: center;
  font-size: 1.8em;
  color: #1a2a44;
  margin-bottom: 20px;
}

.news-slider {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  overflow: hidden;
}

.news-container {
  display: flex;
  transition: transform 0.6s ease;
}

.news-item {
  min-width: 300px;
  max-width: 300px;
  flex-shrink: 0;
  margin: 0 10px;
  background: white;
  border-radius: 8px;
  padding: 15px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  text-align: left;
  transition: transform 0.3s;
}

.news-item:hover {
  transform: translateY(-5px);
}

.news-image {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 10px;
}

.news-link {
  display: inline-block;
  color: #1a2a44;
  text-decoration: none;
  font-weight: 600;
  margin-top: 5px;
  transition: color 0.3s ease, transform 0.3s ease;
}

.news-link:hover {
  color: #0056b3;
  transform: translateX(3px);
}

.news-date {
  display: block;
  font-size: 0.85em;
  color: #666;
  margin-top: 8px;
}

/* РљРЅРѕРїРѓРё РЎС‛правления */
.news-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(26, 42, 68, 0.6);
  color: white;
  border: none;
  padding: 8px 14px;
  cursor: pointer;
  border-radius: 50%;
  font-size: 22px;
  transition: background-color 0.3s;
  z-index: 2;
}

.news-btn:hover {
  background-color: rgba(26, 42, 68, 0.9);
}

.news-btn.prev {
  left: 10px;
}

.news-btn.next {
  right: 10px;
}

/* ТочЃи под слайдером */
.news-dots {
  text-align: center;
  margin-top: 15px;
}

.news-dots .dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  background-color: rgba(26, 42, 68, 0.4);
  border-radius: 50%;
  margin: 0 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.news-dots .dot.active {
  background-color: #1a2a44;
}

@media (max-width: 768px) {
  .news-item {
    min-width: 260px;
    max-width: 260px;
  }
}


.gab-section {
  padding: 40px 20px;
  background-color: #f8f8f8;
}

.gab-container {
  display: flex;
  align-items: flex-start;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.gab-image {
  flex: 1;
}

.gab-image img {
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.gab-text {
  flex: 2;
  font-family: 'Arial', sans-serif;
  color: #333;
}

.gab-text h2 {
  color: #1a2a44;
  font-size: 1.8em;
  margin-bottom: 20px;
}

.gab-text p {
  line-height: 1.6;
  margin-bottom: 15px;
}

.gab-text blockquote {
  font-style: italic;
  background-color: #fff;
  border-left: 5px solid #1a2a44;
  padding: 15px 20px;
  margin: 20px 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.gab-text ul {
  margin: 15px 0;
  padding-left: 20px;
  list-style-type: disc;
}

.gab-text ul li {
  margin-bottom: 10px;
}

.gab-section {
  padding: 40px 20px;
  background-color: #f8f8f8;
}

.gab-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.gab-image {
  flex: 1 1 250px;
  max-width: 300px;
}

.gab-image img {
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
}

.gab-text {
  flex: 2 1 500px;
}

.gab-text h2 {
  color: #1a2a44;
  margin-bottom: 15px;
}

.gab-text blockquote {
  font-style: italic;
  border-left: 4px solid #1a2a44;
  padding-left: 15px;
  margin: 15px 0;
  color: #333;
}

.gab-text ul {
  margin: 15px 0 25px 20px;
}

.gab-text ul li {
  margin-bottom: 8px;
}

.building img {
  width: 100%;
  border-radius: 8px;
  margin: 15px 0;
}

.building figcaption {
  font-size: 0.9em;
  color: #666;
  text-align: center;
  margin-bottom: 20px;
}

.directors-list {
  list-style: none;
  padding-left: 0;
  margin: 20px 0 0 0;
}

.directors-list li {
  margin-bottom: 12px;
  line-height: 1.5;
}

.btn {
  display: inline-block;
  padding: 6px 12px;
  background-color: #1a2a44;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  margin-top: 10px;
}

.btn:hover {
  background-color: #003087;
}

@media (max-width: 768px) {
  .gab-container {
    flex-direction: column;
    align-items: center;
  }

  .gab-image,
  .gab-text {
    max-width: 100%;
  }
}

/* Мобильная адаптация */
@media (max-width: 768px) {
  .gab-container {
    flex-direction: column;
    gap: 20px;
  }

  .gab-image img {
    width: 100%;
    height: auto;
  }
}


.news-link {
  display: inline-block;
  margin-top: 8px;
  color: #1a2a44;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.3s ease, transform 0.3s ease;
}

.news-link:hover {
  color: #0056b3;
  transform: translateX(3px);
}

.news-item {
  position: relative;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 15px;
  transition: transform 0.3s ease;
}

.news-item:hover {
  transform: translateY(-5px);
}

/* --- Полноширинный слайдер --- */
.banner-slider {
  position: relative;
  width: 100%;
  max-height: 400px;
  /* маЃсимальная высота баннера */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: transparent;
  /* фон если есть Р С—РЎС‛стое пространство */
}

.slider-wrapper {
  display: flex;
  width: 100%;
  transition: transform 0.8s ease;
}

.slide {
  min-width: 100%;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  position: absolute;
  top: 0;
  left: 0;
}

.slide.active {
  opacity: 1;
  position: relative;
  z-index: 1;
}

.slide img {
  width: 100%;
  height: auto;
  /* подстраиваем высотСС‛ автоматичесЃи */
  max-height: 400px;
  /* чтобы не было гигантсЃой ЃартинЃи */
  object-fit: contain;
  /* поЃазываем РІСЃСЋ ЃартинЃСС‛ */
  display: block;
  cursor: pointer;
}

/* КнопЃи "влево/вправо" */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(26, 42, 68, 0.6);
  color: white;
  border: none;
  padding: 10px 15px;
  cursor: pointer;
  border-radius: 50%;
  font-size: 24px;
  transition: background-color 0.3s;
  z-index: 2;
}

.slider-btn:hover {
  background-color: rgba(26, 42, 68, 0.9);
}

.slider-btn.prev {
  left: 20px;
}

.slider-btn.next {
  right: 20px;
}

/* ТочЃи РІРЅРёР·СС‛ */
.slider-dots {
  position: absolute;
  bottom: 15px;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 3;
}

.slider-dots .dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  margin: 0 5px;
  background-color: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.slider-dots .dot.active {
  background-color: #1a2a44;
}

/* 📹 Мобильная адаптация */
@media (max-width: 768px) {
  .banner-slider {
    height: 250px;
  }

  .slide img {
    height: 250px;
  }

  .slider-btn {
    padding: 6px 10px;
    font-size: 18px;
  }
}

.directors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.director-item {
  text-align: center;
  background: #f9f9f9;
  padding: 10px;
  border-radius: 8px;
}

.director-item img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 10px;
}

/* СЃрываем чеЃбоЃс */
.menu-toggle {
  display: none;
}

/* Стили Р В±РЎС‛ргера */
.burger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 20px;
  cursor: pointer;
}

.burger span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: #333;
  border-radius: 2px;
}

.menu-toggle,
.has-dropdown input {
  display: none;
  /* сЃрываем чеЃбоЃсы */
}

/* Р‘СС‛ргер */
.burger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 20px;
  cursor: pointer;
}

.burger span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: #333;
  border-radius: 2px;
}

/* СЃрываем чеЃбоЃс */
.menu-toggle {
  display: none;
}

.has-dropdown input.dropdown-toggle:checked + .menu-title + .dropdown {
    display: flex;
    flex-direction: column;
}
/* Подменю по умолчанию скрыто */
.has-dropdown .dropdown {
  display: none;
}

/* Показываем подменю, когда есть класс active */
.has-dropdown.active .dropdown {
  display: flex;
  flex-direction: column;
}

/* Р‘СС‛ргер */
.burger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 20px;
  cursor: pointer;
}

.burger span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: #333;
  border-radius: 2px;
}

/* СЃрываем чеЃбоЃс */
.menu-toggle {
  display: none;
}

/* Р‘СС‛ргер */
.burger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 20px;
  cursor: pointer;
}

.burger span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: #333;
  border-radius: 2px;
}

/* Основное меню */
.nav-menu ul.menu {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-menu ul.menu li {
  position: relative;
}

.nav-menu ul.menu li a {
  text-decoration: none;
  padding: 10px 15px;
  display: block;
  color: #333;
}

/* ГропдаСС‛РЅС‹ */
.nav-menu ul.menu li .dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  flex-direction: column;
  background: #f9f9f9;
  border: 1px solid #ddd;
}

/* Р СџР С™: hover */
.nav-menu ul.menu li:hover .dropdown {
  display: flex;
}

/* Мобильная версия */
@media (max-width: 768px) {
  .burger {
    display: flex;
  }

  .nav-menu ul.menu {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
  }

  .menu-toggle:checked+.burger+.menu {
    display: flex;
  }

  /* ГропдаСС‛РЅС‹ мобильные */
  .nav-menu ul.menu li {
    position: static;
  }

  .nav-menu ul.menu li .dropdown {
    position: static;
    border: none;
    display: none;
    padding-left: 15px;           /* визуальный отступ для подменю */
    border-left: 3px solid #ddd;  /* линия слева */
    background-color: #f9f9f9;    /* цвет фона подменю */
    margin-top: 5px;
  }

   .nav-menu ul.menu li .menu-title::after {
    content: "";
    float: right;
    width: 0;
    height: 0;
    margin-left: 10px;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid #333; /* цвет стрелки */
    transition: transform 0.3s;
  }

  /* Поворот стрелки при открытом подменю */
  .nav-menu ul.menu li.active .menu-title::after {
    transform: rotate(180deg);
  }

  /* ПоЃазать РґСЂРѕРїРґР°СС‛Р Р… Р С—Р С• ЃлиЃСС‛ */
  .nav-menu ul.menu li.active>.dropdown {
    display: flex;
    flex-direction: column;
  }

  .nav-menu ul.menu li .dropdown li a {
    padding: 8px 10px;
  }

  /* СтрелЃи */
  .arrow {
    float: right;
    transition: transform 0.3s;
  }

  .nav-menu ul.menu li.active>a .arrow {
    transform: rotate(-180deg);
  }
}



/* СЃрыть стрелЃи на ПК */
@media (min-width: 769px) {
  .nav-menu .arrow {
    display: none;
  }
}
.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav ul li {
  margin-bottom: 5px;
  font-size: 14px;
  color: #333;
}

.footer-nav ul li span {
  font-weight: bold;
  display: block;
  margin-top: 10px;
}

.footer-nav ul li ul {
  list-style: disc;
  margin: 5px 0 5px 15px; /* отступ для вложенного списка */
}

.footer-nav ul li ul li {
  font-size: 13px;
  margin-bottom: 3px;
}

.footer-nav a {
  text-decoration: none;
  color: #1a2a44;
}

.footer-nav a:hover {
  color: #003087;
}

/* Мобильная версия */
@media (max-width: 768px) {
  .footer-nav ul {
    padding-left: 0;
  }

  .footer-nav ul li ul {
    margin-left: 15px;
  }
}

.history-section {
  padding: 40px 20px;
  background: #fff;
  color: #1a2a44;
  font-family: sans-serif;
}

.history-container {
  max-width: 900px;
  margin: 0 auto;
}

.history-container p {
  line-height: 1.6;
  font-size: 1em;
  margin-bottom: 30px;
}

.timeline {
  position: relative;
  margin: 50px auto;
  padding-left: 60px;
  /* отстСС‛Р С— РїРѕРґ линию Р С‘ РѓСЂСС‛Р С–Р С‘ */
  max-width: 900px;
}

/* ВертиЃальная линия */
.timeline::before {
  content: "";
  position: absolute;
  left: 30px;
  top: 0;
  width: 4px;
  height: 100%;
  background-color: #1a2a44;
}

/* Каждый элемент таймлайна */
.timeline-item {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
  position: relative;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

/* При появлении */
.timeline-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* РљСЂСС‛Р С– РЎРѓ РіРѕРґРѕРј */
.timeline-item .year {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: #1a2a44;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 16px;
  position: relative;
  z-index: 2;
  flex-shrink: 0;
}

/* Контент справа */
.timeline-item .content {
  background-color: #f9f9f9;
  padding: 15px 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  max-width: 700px;
}

/* МаленьЃая анимация РѓСЂСС‛Р С–Р В° РїСЂРё появлении */
.timeline-item.visible .year {
  animation: popIn 0.5s ease;
}

@keyframes popIn {
  from {
    transform: scale(0.5);
    opacity: 0;
  }

  to {
    transform: scale(1);
    opacity: 1;
  }
}

.management-section {
  background-color: #f9fafc;
  padding: 80px 20px;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  color: #1a2a44;
  margin-bottom: 50px;
  font-weight: 700;
}

.management-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
  justify-items: center;
}

.manager {
  background: white;
  border-radius: 16px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
  text-align: center;
  padding: 25px 15px;
  max-width: 260px;
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease;
}

.manager.visible {
  opacity: 1;
  transform: translateY(0);
}

.manager img {
  width: 130px;
  height: 130px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 15px;
  border: 4px solid #1a2a44;
}

.manager h3 {
  font-size: 1.1rem;
  color: #1a2a44;
  margin-bottom: 6px;
}

.manager .position {
  color: #555;
  font-size: 0.95rem;
}

.institute-section {
  background-color: #fff;
  padding: 80px 20px;
  color: #222;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  color: #1a2a44;
  margin-bottom: 60px;
  font-weight: 700;
}

.section-block {
  margin-bottom: 50px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;

}

.section-block h3 {
  color: #1a2a44;
  font-size: 1.4rem;
  margin-bottom: 20px;
  border-left: 4px solid #1a2a44;
  padding-left: 10px;
}

.section-block h4 {
  margin-top: 30px;
  color: #1a2a44;
}

.section-block ul {
  list-style: disc;
  margin-left: 30px;
}

.section-block li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.scientific-results {
  max-width: 900px;
  margin: 60px auto;
  line-height: 1.6;
}

.scientific-results h3 {
  text-align: center;
  color: #1a2a44;
  margin-bottom: 40px;
}

/* КарточЃа РЎС‛чёного */
.scientist-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #f9fafc;
  border-left: 5px solid #1a2a44;
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 30px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.scientist-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
}

.scientist-card img {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 15px;
  border: 3px solid #1a2a44;
}

.scientist-card h4 {
  color: #1a2a44;
  font-size: 1.2rem;
  margin-bottom: 10px;
  text-align: center;
}

.scientist-card .achievement {
  text-align: center;
  font-size: 0.95rem;
  color: #333;
}

/* Общий теЃст */
.scientist-text {
  margin: 0 auto 50px;
  max-width: 800px;
  padding: 10px 20px;
}

.scientist-text p {
  color: #222;
  font-size: 1rem;
  line-height: 1.7;
}

/* Плавное появление */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}


/* ====== Footer styles ====== */
.site-footer {
  background: #1a2a44;
  color: #f3f6fb;
  padding: 36px 20px 18px;
  font-size: 15px;
  line-height: 1.5;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto 18px;
  display: flex;
  gap: 30px;
  align-items: flex-start;
  flex-wrap: wrap;
}

/* Brand */
.footer-brand {
  flex: 1 1 240px;
  min-width: 220px;
}

.footer-logo {
  width: 140px;
  height: auto;
  display: block;
  margin-bottom: 10px;
}

.footer-org {
  color: rgba(243, 246, 251, 0.9);
  font-size: 14px;
  margin: 0;
}

.international-activity {
  padding: 60px 20px;
  background-color: #f7f9fc;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  color: #1a2a44;
  margin-bottom: 40px;
}

.activity-block {
  margin-bottom: 50px;
  padding: 25px 30px;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  line-height: 1.6;
}

.activity-block h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: #1a2a44;
}

.activity-block ul {
  padding-left: 20px;
}

.activity-block ul li {
  margin-bottom: 10px;
  line-height: 1.5;
}

.activity-photo {
  margin-top: 25px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.activity-photo img {
  width: 60%;
  max-width: 700px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.photo-caption {
  margin-top: 10px;
  font-size: 0.95rem;
  color: #555;
  text-align: center;
  max-width: 70%;
}

/* рџ‛± Адаптив */
@media (max-width: 768px) {
  .activity-photo img {
    width: 100%;
  }

  .photo-caption {
    max-width: 100%;
  }
}

/* Footer nav columns */
.footer-nav {
  display: flex;
  gap: 24px;
  flex: 2 1 480px;
  min-width: 260px;
}

.footer-nav-col h4 {
  color: #ffffff;
  margin: 0 0 8px;
  font-size: 15px;
}

.footer-nav-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav-col li {
  margin-bottom: 6px;
}

.footer-nav-col a {
  color: rgba(243, 246, 251, 0.9);
  text-decoration: none;
  font-size: 14px;
}

.footer-nav-col a:hover {
  color: #ffd966;
  text-decoration: underline;
}

/* Contacts / social */
.footer-info {
  flex: 1 1 220px;
  min-width: 200px;
}

.footer-info h4 {
  margin: 0 0 8px;
  color: #fff;
}

.footer-info address {
  font-style: normal;
  color: rgba(243, 246, 251, 0.9);
  margin-bottom: 12px;
}

.footer-info a {
  color: rgba(243, 246, 251, 0.95);
  text-decoration: none;
}

.footer-info a:hover {
  text-decoration: underline;
}

/* Social small */
.footer-social {
  display: flex;
  gap: 8px;
}

.footer-social .social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
}

.footer-social .social:hover {
  background: rgba(255, 255, 255, 0.14);
}

/* Bottom bar */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px 10px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  color: rgba(243, 246, 251, 0.8);
  font-size: 13px;
}

/* Smaller screens */
@media (max-width: 900px) {
  .footer-inner {
    gap: 18px;
  }

  .footer-nav {
    flex-wrap: wrap;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

/* Very small */
@media (max-width: 560px) {
  .footer-inner {
    padding-bottom: 8px;
  }

  .footer-logo {
    width: 120px;
  }

  .footer-nav {
    flex-direction: column;
    gap: 12px;
  }
}

.centers-section {
  background-color: #f9fafc;
  padding: 60px 20px;
}

.center-item {
  margin-bottom: 15px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: all 0.3s ease;
}

.center-btn {
  width: 100%;
  text-align: left;
  background-color: #1a2a44;
  color: white;
  border: none;
  padding: 15px 20px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s;
}

.center-btn:hover {
  background-color: #324e7b;
}

.center-info {
  max-height: 0;
  overflow: hidden;
  background: #f5f7fa;
  color: #333;
  padding: 0 20px;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.center-info p {
  margin: 15px 0;
  line-height: 1.6;
}

.center-item.active .center-info {
  max-height: 400px;
  /* регСС‛лирСС‛ем РїРѕРґ объём теЃста */
  padding: 15px 20px;
}

/* --- ГесЃтопная версия --- */
@media (min-width: 768px) {
  .centers-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }

  .center-item {
    width: calc(33% - 10px);
  }

  .center-info {
    display: none;
  }

  .center-item.active .center-info {
    display: block;
    max-height: none;
    padding: 20px;
  }
}

.centers-section {
  background-color: #f9fafc;
  padding: 60px 20px;
}

.center-item {
  margin-bottom: 15px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: all 0.3s ease;
}

.center-btn {
  width: 100%;
  text-align: left;
  background-color: #1a2a44;
  color: white;
  border: none;
  padding: 15px 20px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s;
}

.center-btn:hover {
  background-color: #324e7b;
}

.center-info {
  max-height: 0;
  overflow: hidden;
  background: #f5f7fa;
  color: #333;
  padding: 0 20px;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.center-info p {
  margin: 15px 0;
  line-height: 1.6;
}

.center-item.active .center-info {
  max-height: 400px;
  /* регСС‛лирСС‛ем РїРѕРґ объём теЃста */
  padding: 15px 20px;
}

/* --- ГесЃтопная версия --- */
@media (min-width: 768px) {
  .centers-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }

  .center-item {
    width: calc(33% - 10px);
  }

  .center-info {
    display: none;
  }

  .center-item.active .center-info {
    display: block;
    max-height: none;
    padding: 20px;
  }
}

.reference-section {
  background-color: #f9fafc;
  padding: 60px 20px;
}

.reference-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.reference-item {
  width: calc(33% - 15px);
  min-width: 260px;
}

.reference-btn {
  display: inline-block;
  background-color: #1a2a44;
  color: #fff;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 1rem;
  transition: background-color 0.3s, transform 0.2s;
}

.reference-btn:hover {
  background-color: #324e7b;
  transform: translateY(-2px);
}


.reference-btn:hover {
  background-color: #324e7b;
  transform: translateY(-3px);
}

/* --- Мобильная версия --- */
@media (max-width: 768px) {
  .reference-list {
    flex-direction: column;
    align-items: stretch;
  }

  .reference-item {
    width: 100%;
  }
}

.nnmc-section {
  background-color: #f9fafc;
  padding: 60px 20px;
  line-height: 1.6;
}

.nnmc-section .section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 30px;
  color: #1a2a44;
}

.nnmc-lead {
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 40px;
  color: #333;
}

.nnmc-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin-bottom: 50px;
}

.nnmc-btn {
  background-color: #1a2a44;
  color: #fff;
  border: none;
  padding: 12px 18px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.95rem;
  transition: background-color 0.3s, transform 0.2s;
}

.nnmc-btn:hover {
  background-color: #324e7b;
  transform: translateY(-2px);
}

.nnmc-content {
  max-width: 900px;
  margin: 0 auto;
  color: #333;
}

.nnmc-content h3 {
  color: #1a2a44;
  margin-top: 30px;
  margin-bottom: 15px;
  font-size: 1.25rem;
}

.nnmc-content ul {
  margin: 0;
  padding-left: 20px;
}

.nnmc-content li {
  margin-bottom: 8px;
}

@media (max-width: 768px) {
  .nnmc-links {
    flex-direction: column;
    align-items: stretch;
  }

  .nnmc-btn {
    width: 100%;
  }

  .nnmc-content {
    text-align: justify;
  }
}

.seminar-items {
  list-style: none;
  padding: 0;
  margin: 0;
}

.seminar-item {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-bottom: 40px;
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.seminar-item img {
  width: 200px;
  height: 150px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.seminar-info h3 {
  margin: 0 0 10px 0;
  font-size: 1.3rem;
}

.seminar-info p {
  margin: 3px 0;
  font-size: 1rem;
}

@media (max-width: 768px) {
  .seminar-item {
    flex-direction: column;
    text-align: center;
  }

  .seminar-item img {
    width: 100%;
    height: auto;
  }
}

.documents-section {
  background-color: #f4f6f9;
  padding: 60px 20px;
  border-top: 4px solid #1a2a44;
}

.documents-section .section-title {
  text-align: center;
  color: #1a2a44;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 30px;
}

.documents-list {
  list-style: none;
  max-width: 900px;
  margin: 0 auto;
  padding: 0;
}

.documents-list li {
  margin-bottom: 15px;
  background: white;
  border-left: 4px solid #1a2a44;
  padding: 15px 20px;
  border-radius: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.documents-list li:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.documents-list a {
  color: #1a2a44;
  text-decoration: none;
  font-weight: 500;
  display: block;
}

.documents-list a:hover {
  color: #2a6cc8;
}

.documents-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.document-item {
  display: flex;
  align-items: center;
  background: #fff;
  padding: 20px 25px;
  border-radius: 14px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.document-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.1);
}

.doc-icon {
  font-size: 2rem;
  color: #1a2a44;
  margin-right: 20px;
}

.doc-info {
  flex-grow: 1;
}

.doc-info h4 {
  margin: 0;
  font-size: 1.1rem;
  color: #1a2a44;
  font-weight: 600;
}

.doc-info p {
  margin: 6px 0 0;
  font-size: 0.9rem;
  color: #555;
}

.doc-btn {
  background: #1a2a44;
  color: #fff;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 8px;
  transition: background 0.3s;
  font-size: 0.9rem;
}

.doc-btn:hover {
  background: #253b63;
}

/* Анимация появления */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* рџ‛± Адаптив */
@media (max-width: 600px) {
  .document-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .doc-btn {
    align-self: flex-end;
  }
}

.anticorruption-section {
  padding: 60px 20px;
  background-color: #f7f9fc;
}

.section-title {
  text-align: center;
  color: #1a2a44;
  font-size: 2rem;
  margin-bottom: 30px;
  font-weight: 700;
}

.anticorruption-info {
  max-width: 800px;
  margin: 0 auto 40px;
  font-size: 1rem;
  line-height: 1.6;
  color: #333;
}

.anticorruption-info ul {
  list-style: none;
  padding-left: 0;
}

.anticorruption-info li {
  margin-bottom: 10px;
}

.anticorruption-info a {
  color: #1a2a44;
  text-decoration: none;
}

.anticorruption-info a:hover {
  text-decoration: underline;
}

/* АЃЃордеон */
.accordion {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  background: #fff;
  border-radius: 12px;
  margin-bottom: 15px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.accordion-item:hover {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.accordion-header {
  width: 100%;
  background-color: #1a2a44;
  color: #fff;
  padding: 16px 20px;
  text-align: left;
  border: none;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  position: relative;
}

.accordion-header::after {
  content: "\02C5";
  position: absolute;
  right: 20px;
  transition: transform 0.3s;
}

.accordion-header.active::after {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  background: #f9fafc;
  padding: 0 20px;
}

.accordion-content ul {
  padding: 15px 0;
}

.accordion-content a {
  color: #1a2a44;
  text-decoration: none;
}

.accordion-content a:hover {
  text-decoration: underline;
}

/* АЃтивный Ѓонтент */
.accordion-content.active {
  padding: 15px 20px;
}

/* ====== Ученый совет ====== */
.science-council {
  background: #f9fbff;
  padding: 60px 20px;
  text-align: center;
}

.science-council .container {
  max-width: 900px;
  margin: 0 auto;
}

.science-council h2 {
  font-size: 28px;
  color: #1a2a44;
  margin-bottom: 24px;
  font-weight: 700;
}

.science-intro,
.science-description {
  color: #333;
  line-height: 1.6;
  font-size: 16px;
  margin-bottom: 20px;
  text-align: justify;
}

.science-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 28px;
}

.science-link {
  display: inline-block;
  background: #1a2a44;
  color: #fff;
  text-decoration: none;
  padding: 16px 24px;
  font-size: 16px;
  border-radius: 12px;
  transition: all 0.3s ease;
}

.science-link:hover {
  background: #2c3f66;
  transform: translateY(-2px);
}

/* Адаптация */
@media (max-width: 600px) {
  .science-council h2 {
    font-size: 22px;
  }

  .science-link {
    font-size: 15px;
    padding: 14px 18px;
  }
}

.epidemiology-section {
  background: #f4f7fb;
  padding: 60px 20px;
}

.epidemiology-section h2 {
  text-align: center;
  color: #1a2a44;
  margin-bottom: 24px;
  font-size: 28px;
}

.section-leaders p {
  font-weight: 600;
  color: #1a2a44;
  margin: 6px 0;
}

.toggle-btn {
  display: block;
  background: #1a2a44;
  color: #fff;
  border: none;
  padding: 14px 20px;
  margin: 20px auto;
  border-radius: 10px;
  font-size: 16px;
  cursor: pointer;
  transition: 0.3s;
}

.toggle-btn:hover {
  background: #2c3f66;
}

.section-members {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
  list-style: disc;
  padding-left: 20px;
  margin-top: 10px;
}

.section-members li {
  margin-bottom: 6px;
}

.section-functions {
  margin-top: 20px;
  list-style: disc;
  padding-left: 20px;
}

.section-functions li {
  margin-bottom: 8px;
  line-height: 1.5;
}

.dissertation-section {
  background: #f9fafc;
  padding: 60px 20px;
}

.dissertation-section h2 {
  text-align: center;
  color: #1a2a44;
  font-size: 28px;
  margin-bottom: 24px;
}

.disser-leaders p {
  margin: 6px 0;
  line-height: 1.5;
  color: #222;
}

.disser-leaders a {
  color: #1a2a44;
  text-decoration: none;
}

.disser-leaders a:hover {
  text-decoration: underline;
}

.specialties {
  font-style: italic;
  color: #444;
  margin-bottom: 16px;
}

.disser-members {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 40px;
}

.disser-members li {
  margin-bottom: 8px;
  line-height: 1.5;
}

.disser-links {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.disser-btn {
  background: #1a2a44;
  color: #fff;
  padding: 14px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s;
}

.disser-btn:hover {
  background: #2c4575;
}

.defense-section {
  background: #f7f9fc;
  padding: 60px 20px;
  color: #1a1a1a;
  line-height: 1.6;
}

.defense-section h2 {
  text-align: center;
  margin-bottom: 30px;
  font-size: 28px;
  color: #0b2a5b;
}

.defense-intro {
  max-width: 900px;
  margin: 0 auto 40px;
  text-align: center;
  font-size: 16px;
}

.year-title {
  font-size: 22px;
  color: #0b2a5b;
  margin-bottom: 25px;
  border-bottom: 2px solid #0b2a5b;
  display: inline-block;
  padding-bottom: 5px;
}

.dissertation-item {
  background: #fff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  margin-bottom: 40px;
}

.dissertation-item h4 {
  color: #0b2a5b;
  font-size: 20px;
  margin-bottom: 10px;
}

.info-block {
  background: #eef3fb;
  padding: 15px;
  border-radius: 8px;
  margin: 15px 0;
}

h5 {
  margin-top: 20px;
  font-size: 17px;
  color: #12345a;
}

ul.opponents,
ul.commission {
  margin: 10px 0 20px 20px;
}

.doc-link {
  display: inline-block;
  margin: 5px 0;
  color: #0b4aa5;
  text-decoration: none;
}

.doc-link:hover {
  text-decoration: underline;
}

.downloads {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  background: #0b4aa5;
  color: #fff;
  padding: 10px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
  transition: 0.3s;
}

.btn:hover {
  background: #093b84;
}

.dissertation-section {
  background: #f9fafc;
  padding: 60px 20px;
}

.dissertation-section h2 {
  text-align: center;
  color: #1a2a44;
  font-size: 28px;
  margin-bottom: 24px;
}

.disser-leaders p {
  margin: 6px 0;
  line-height: 1.5;
  color: #222;
}

.disser-leaders a {
  color: #1a2a44;
  text-decoration: none;
}

.disser-leaders a:hover {
  text-decoration: underline;
}

.specialties {
  font-style: italic;
  color: #444;
  margin-bottom: 16px;
}

.toggle-btn {
  background: #1a2a44;
  color: #fff;
  border: none;
  padding: 12px 20px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 16px;
  margin: 20px 0;
  transition: 0.3s;
}

.toggle-btn:hover {
  background: #2a3d66;
}

.dissertation-section {
  background: #f9fafc;
  padding: 60px 20px;
}

.dissertation-section h2 {
  text-align: center;
  color: #1a2a44;
  font-size: 28px;
  margin-bottom: 24px;
}

.disser-leaders p {
  margin: 6px 0;
  line-height: 1.5;
  color: #222;
}

.disser-leaders a {
  color: #1a2a44;
  text-decoration: none;
}

.disser-leaders a:hover {
  text-decoration: underline;
}

.specialties {
  font-style: italic;
  color: #444;
  margin-bottom: 16px;
}

.disser-members {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 40px;
}

.disser-members li {
  margin-bottom: 8px;
  line-height: 1.5;
}

.disser-links {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.disser-btn {
  background: #1a2a44;
  color: #fff;
  padding: 14px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s;
}

.disser-btn:hover {
  background: #2c4575;
}


.defense-section {
  background: #f7f9fc;
  padding: 60px 20px;
  color: #1a1a1a;
  line-height: 1.6;
}

.defense-section h2 {
  text-align: center;
  margin-bottom: 30px;
  font-size: 28px;
  color: #0b2a5b;
}

.defense-intro {
  max-width: 900px;
  margin: 0 auto 40px;
  text-align: center;
  font-size: 16px;
}

.year-title {
  font-size: 22px;
  color: #0b2a5b;
  margin-bottom: 25px;
  border-bottom: 2px solid #0b2a5b;
  display: inline-block;
  padding-bottom: 5px;
}

.dissertation-item {
  background: #fff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  margin-bottom: 40px;
}

.dissertation-item h4 {
  color: #0b2a5b;
  font-size: 20px;
  margin-bottom: 10px;
}

.info-block {
  background: #eef3fb;
  padding: 15px;
  border-radius: 8px;
  margin: 15px 0;
}

h5 {
  margin-top: 20px;
  font-size: 17px;
  color: #12345a;
}

ul.opponents,
ul.commission {
  margin: 10px 0 20px 20px;
}

.doc-link {
  display: inline-block;
  margin: 5px 0;
  color: #0b4aa5;
  text-decoration: none;
}

.doc-link:hover {
  text-decoration: underline;
}

.downloads {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  background: #0b4aa5;
  color: #fff;
  padding: 10px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
  transition: 0.3s;
}

.btn:hover {
  background: #093b84;
}

.defense-section {
  margin-top: 40px;
}

.defense-intro {
  margin-bottom: 25px;
  line-height: 1.6;
}

.year-selector {
  text-align: center;
  margin-bottom: 30px;
}

.year-selector label {
  font-weight: 600;
  margin-right: 8px;
}

.year-selector select {
  padding: 6px 10px;
  font-size: 16px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

.dissertation-item {
  background: #f9fafc;
  padding: 20px;
  margin-bottom: 25px;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.dissertation-item h4 {
  color: #0b3b75;
  margin-bottom: 10px;
}

.dissertation-item h5 {
  margin-top: 20px;
  margin-bottom: 8px;
  color: #0b2a5b;
}

.opponents,
.commission {
  margin-left: 20px;
  line-height: 1.5;
}

.doc-link,
.btn {
  display: inline-block;
  margin: 5px 8px 5px 0;
  padding: 6px 12px;
  background: #0b4aa5;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  transition: 0.3s;
}

.btn:hover,
.doc-link:hover {
  background: #09397e;
}

.hidden {
  display: none;
}

.filter-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-bottom: 30px;
}

.filter-panel label {
  font-weight: 600;
  margin-right: 6px;
}

.filter-panel select,
.filter-panel input {
  padding: 6px 10px;
  font-size: 16px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

.search-box input {
  width: 200px;
}

.hidden {
  display: none;
}

.dissertation-item {
  background: #f9fafc;
  padding: 15px 20px;
  margin-bottom: 15px;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  transition: 0.3s ease;
}

.education-section {
  padding: 60px 0;
  background: #f5f7fa;
  color: #1a1a1a;
}

.education-section h2 {
  text-align: center;
  font-size: 2rem;
  color: #002b5c;
  margin-bottom: 30px;
}

.edu-intro {
  max-width: 900px;
  margin: 0 auto 40px;
  line-height: 1.7;
  text-align: justify;
}

.edu-block {
  background: #ffffff;
  border-left: 5px solid #002b5c;
  border-radius: 10px;
  padding: 25px 30px;
  margin-bottom: 30px;
  box-shadow: 0 3px 8px rgba(0, 43, 92, 0.1);
}

.edu-block h4 {
  color: #002b5c;
  margin-bottom: 10px;
}

.edu-period h5 {
  margin-top: 10px;
  color: #003f8a;
}

.edu-period ul {
  margin: 8px 0 15px 20px;
}

.edu-info {
  background: #e9edf3;
  border-radius: 8px;
  padding: 25px;
  margin: 40px 0;
}

.edu-info h5 {
  color: #002b5c;
  margin-bottom: 10px;
}

.edu-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 35px;
}

.edu-buttons .btn {
  background: #002b5c;
  color: #fff;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  transition: 0.3s;
}

.edu-buttons .btn:hover {
  background: #004080;
}

.higher-edu {
  padding: 70px 20px;
  background: #f5f7fa;
}

.section-title {
  text-align: center;
  color: #002b5c;
  font-size: 2rem;
  margin-bottom: 40px;
}

.edu-list {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 900px;
}

.edu-list>li {
  margin-bottom: 25px;
  border-left: 4px solid #002b5c;
  padding-left: 15px;
}

.edu-link.main-link {
  color: #002b5c;
  font-weight: 600;
  text-decoration: none;
  font-size: 1.2rem;
  transition: color 0.3s;
}

.edu-link.main-link:hover {
  color: #004080;
}

.sub-list {
  list-style: disc;
  padding-left: 25px;
  margin-top: 8px;
}

.sub-list li {
  margin-bottom: 5px;
}

.sub-link {
  color: #004080;
  text-decoration: none;
  transition: color 0.3s;
}

.sub-link:hover {
  color: #001f3c;
}