/* ================= ОСНОВНЫЕ ПЕРЕМЕННЫЕ И НАСТРОЙКИ ================= */
:root {
  /* Цветовая схема (монохромная с акцентами) */
  --color-primary: #3a3a3a;
  --color-primary-light: #555555;
  --color-primary-dark: #252525;
  --color-primary-darker: #151515;
  
  --color-secondary: #ff6b00;
  --color-secondary-light: #ff8a3c;
  --color-secondary-dark: #dd5700;
  
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-lighter: #999999;
  
  --color-background: #f7f7f7;
  --color-background-alt: #efefef;
  --color-background-dark: #e0e0e0;
  
  --color-white: #ffffff;
  --color-black: #000000;
  
  /* Эффект гласморфизма */
  --glass-background: rgba(255, 255, 255, 0.15);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  
  /* Нео-брутализм */
  --neo-shadow: 4px 4px 0 rgba(0, 0, 0, 0.9);
  --neo-border: 2px solid var(--color-primary-darker);
  --neo-background: #ffffff;
  
  /* Переходы и анимации */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Типографика */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Source Sans Pro', sans-serif;
  
  /* Размеры и отступы */
  --container-width: 1200px;
  --container-padding: 2rem;
  
  --spacing-xs: 0.5rem;
  --spacing-s: 1rem;
  --spacing-m: 2rem;
  --spacing-l: 3rem;
  --spacing-xl: 5rem;
  
  /* Радиусы */
  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 16px;
  
  /* Z-индексы */
  --z-index-header: 1000;
  --z-index-modal: 2000;
  --z-index-dropdown: 1500;
}

/* ================= ОСНОВНЫЕ СТИЛИ ================= */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  margin-top: 0;
  color: var(--color-primary);
}

h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: var(--spacing-m);
}

h2 {
  font-size: 2.5rem;
  line-height: 1.3;
  margin-bottom: var(--spacing-m);
}

h3 {
  font-size: 1.8rem;
  line-height: 1.4;
  margin-bottom: var(--spacing-s);
}

h4 {
  font-size: 1.4rem;
  line-height: 1.5;
  margin-bottom: var(--spacing-s);
}

p {
  margin-top: 0;
  margin-bottom: var(--spacing-s);
}

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-secondary-dark);
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  padding: 0 var(--container-padding);
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-m);
  position: relative;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background-color: var(--color-secondary);
  margin: var(--spacing-s) auto 0;
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-l);
  color: var(--color-text-light);
  font-size: 1.2rem;
}

/* Нео-брутализм для секций */
section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

section:nth-child(odd) {
  background-color: var(--color-background-alt);
}

/* ================= КНОПКИ ================= */
.btn,
button:not(.mobile-menu-button),
input[type="submit"] {
  display: inline-block;
  padding: 0.8rem 2rem;
  font-family: var(--font-body);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: var(--neo-border);
  border-radius: var(--radius-small);
  background-color: var(--neo-background);
  color: var(--color-text);
  box-shadow: var(--neo-shadow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn:hover,
button:not(.mobile-menu-button):hover,
input[type="submit"]:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.9);
  text-decoration: none;
}

.btn:active,
button:not(.mobile-menu-button):active,
input[type="submit"]:active {
  transform: translate(0, 0);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.9);
}

.btn-primary {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary-dark);
}

.btn-primary:hover {
  background-color: var(--color-secondary-light);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.btn-secondary:hover {
  color: var(--color-secondary-dark);
}

/* ================= ХЕДЕР И НАВИГАЦИЯ ================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-index-header);
  background-color: var(--color-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header__wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.header__logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.header__logo h1 {
  margin: 0;
  font-size: 1.8rem;
  color: var(--color-secondary);
  letter-spacing: -0.02em;
}

.header__nav {
  display: flex;
  align-items: center;
}

.desktop-menu {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
}

.desktop-menu li {
  margin-left: var(--spacing-m);
}

.desktop-menu a {
  color: var(--color-primary);
  font-weight: 600;
  transition: color var(--transition-fast);
  text-decoration: none;
  position: relative;
}

.desktop-menu a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-secondary);
  transition: width var(--transition-medium);
}

.desktop-menu a:hover {
  color: var(--color-secondary);
  text-decoration: none;
}

.desktop-menu a:hover::after {
  width: 100%;
}

.mobile-menu-button {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 20px;
  position: relative;
  z-index: var(--z-index-dropdown);
}

.mobile-menu-button span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  position: absolute;
  left: 0;
  transition: var(--transition-medium);
}

.mobile-menu-button span:nth-child(1) {
  top: 0;
}

.mobile-menu-button span:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.mobile-menu-button span:nth-child(3) {
  bottom: 0;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  height: calc(100vh - 80px);
  background-color: var(--color-white);
  padding: var(--spacing-m);
  z-index: var(--z-index-dropdown);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-menu li {
  margin-bottom: var(--spacing-s);
}

.mobile-menu a {
  color: var(--color-primary);
  font-size: 1.5rem;
  font-weight: 600;
  text-decoration: none;
  display: block;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

.mobile-menu a:hover {
  color: var(--color-secondary);
}

/* ================= HERO СЕКЦИЯ ================= */
.hero {
  position: relative;
  padding: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: var(--color-white);
  margin-top: 80px; /* Для компенсации высоты фиксированного хедера */
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.4));
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero__content {
  max-width: 650px;
}

.hero__title {
  font-size: 4rem;
  margin-bottom: var(--spacing-s);
  color: var(--color-white);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-m);
  color: var(--color-white);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hero__buttons {
  display: flex;
  gap: var(--spacing-s);
}

/* ================= СЕКЦИЯ УСЛУГ ================= */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--spacing-m);
  margin-bottom: var(--spacing-l);
}

/* ================= КАРТОЧКИ ================= */
.card {
  background-color: var(--color-white);
  border: var(--neo-border);
  border-radius: var(--radius-small);
  overflow: hidden;
  box-shadow: var(--neo-shadow);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.9);
}

.card-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.card:hover .card-image img {
  transform: scale(1.05);
}

.card-content {
  padding: var(--spacing-m);
  flex-grow: 1;
  width: 100%;
  text-align: center;
}

.card-content h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-s);
  font-weight: 700;
}

.card-content p {
  margin-bottom: var(--spacing-s);
  color: var(--color-text-light);
}

/* ================= СТАТИСТИКА ================= */
.statistics-widget {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--spacing-m);
  margin-top: var(--spacing-l);
  text-align: center;
}

.stat-item {
  background-color: var(--color-white);
  padding: var(--spacing-m);
  border: var(--neo-border);
  border-radius: var(--radius-small);
  box-shadow: var(--neo-shadow);
  transition: transform var(--transition-medium);
}

.stat-item:hover {
  transform: translateY(-10px);
}

.stat-item h3 {
  font-size: 3rem;
  color: var(--color-secondary);
  margin: 0 0 var(--spacing-xs);
  font-weight: 900;
}

.stat-item p {
  margin: 0;
  font-weight: 600;
}

/* ================= ПОРТФОЛИО ================= */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--spacing-m);
}

/* ================= ИССЛЕДОВАНИЯ И ИННОВАЦИИ ================= */
.research__content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-l);
  margin-bottom: var(--spacing-l);
  align-items: center;
}

.research__image-container {
  flex: 1;
  min-width: 300px;
}

.research__image-container img {
  width: 100%;
  height: auto;
  border: var(--neo-border);
  border-radius: var(--radius-small);
  box-shadow: var(--neo-shadow);
  display: block;
  margin: 0 auto;
}

.research__text {
  flex: 1.5;
  min-width: 300px;
}

.research__innovation-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-m);
}

/* ================= РЕСУРСЫ ================= */
.resources__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: var(--spacing-m);
}

.resources .card-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.resources .card-content li {
  margin-bottom: var(--spacing-xs);
  padding-left: 1.5rem;
  position: relative;
}

.resources .card-content li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-secondary);
}

.resources .card-content a {
  color: var(--color-text);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.resources .card-content a:hover {
  color: var(--color-secondary);
}

/* ================= УСТОЙЧИВОСТЬ И ЭКОЛОГИЯ ================= */
.sustainability__content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-l);
  margin-bottom: var(--spacing-l);
  align-items: center;
}

.sustainability__text {
  flex: 1.5;
  min-width: 300px;
}

.sustainability__image-container {
  flex: 1;
  min-width: 300px;
}

.sustainability__image-container img {
  width: 100%;
  height: auto;
  border: var(--neo-border);
  border-radius: var(--radius-small);
  box-shadow: var(--neo-shadow);
  display: block;
  margin: 0 auto;
}

.sustainability__initiatives {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-m);
}

/* ================= НОВОСТИ ================= */
.news__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--spacing-m);
}

.news-date {
  color: var(--color-text-lighter);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
}

.read-more {
  display: inline-block;
  font-weight: 600;
  margin-top: var(--spacing-xs);
  position: relative;
  padding-right: 1.5rem;
}

.read-more::after {
  content: '→';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: transform var(--transition-fast);
}

.read-more:hover::after {
  transform: translate(5px, -50%);
}

/* ================= КОММЮНИТИ ================= */
.community__content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-l);
  margin-bottom: var(--spacing-l);
  align-items: center;
}

.community__image-container {
  flex: 1;
  min-width: 300px;
}

.community__image-container img {
  width: 100%;
  height: auto;
  border: var(--neo-border);
  border-radius: var(--radius-small);
  box-shadow: var(--neo-shadow);
  display: block;
  margin: 0 auto;
}

.community__text {
  flex: 1.5;
  min-width: 300px;
}

.community__testimonials {
  margin-bottom: var(--spacing-l);
}

.community__testimonials h3 {
  text-align: center;
  margin-bottom: var(--spacing-m);
}

.testimonials-slider {
  display: flex;
  overflow-x: auto;
  gap: var(--spacing-m);
  padding: var(--spacing-s) 0;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.testimonials-slider::-webkit-scrollbar {
  display: none;
}

.testimonial {
  flex: 0 0 auto;
  width: 350px;
  background-color: var(--color-white);
  border: var(--neo-border);
  border-radius: var(--radius-small);
  box-shadow: var(--neo-shadow);
  padding: var(--spacing-m);
  transition: transform var(--transition-medium);
}

.testimonial:hover {
  transform: translateY(-10px);
}

.testimonial__content {
  text-align: center;
}

.testimonial__content p {
  margin-bottom: var(--spacing-m);
  font-style: italic;
  position: relative;
}

.testimonial__content p::before, 
.testimonial__content p::after {
  content: '"';
  font-size: 2rem;
  color: var(--color-secondary);
  line-height: 0;
  position: relative;
}

.testimonial__author {
  text-align: center;
}

.testimonial__author p {
  margin: 0;
}

.community__events h3 {
  text-align: center;
  margin-bottom: var(--spacing-m);
}

.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-m);
}

.event-date {
  color: var(--color-text-lighter);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
}

/* ================= КОНТАКТЫ ================= */
.contact__container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-l);
}

.contact__form-container {
  flex: 1.5;
  min-width: 300px;
}

.contact-form {
  background-color: var(--color-white);
  padding: var(--spacing-l);
  border: var(--neo-border);
  border-radius: var(--radius-small);
  box-shadow: var(--neo-shadow);
}

.form-group {
  margin-bottom: var(--spacing-m);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-s);
  border: 2px solid var(--color-background-dark);
  border-radius: var(--radius-small);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast);
  font-family: var(--font-body);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  cursor: pointer;
}

.checkbox-label input {
  margin-right: var(--spacing-xs);
  margin-top: 0.3rem;
  width: auto;
}

.contact__info {
  flex: 1;
  min-width: 300px;
}

.contact__info-item {
  margin-bottom: var(--spacing-m);
}

.contact__info-item h3 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
  font-weight: 700;
}

.contact__info-item p {
  margin: 0;
  color: var(--color-text-light);
}

.contact__map {
  margin-top: var(--spacing-m);
  border: var(--neo-border);
  border-radius: var(--radius-small);
  overflow: hidden;
  box-shadow: var(--neo-shadow);
}

/* ================= ФУТЕР ================= */
.footer {
  background-color: var(--color-primary-darker);
  color: var(--color-white);
  padding: var(--spacing-l) 0;
}

.footer__top {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-l);
  margin-bottom: var(--spacing-l);
}

.footer__logo h3 {
  margin: 0 0 var(--spacing-xs);
  color: var(--color-white);
  font-size: 1.5rem;
}

.footer__logo p {
  margin: 0;
  color: var(--color-text-lighter);
}

.footer__navigation,
.footer__contact,
.footer__social {
  flex: 1;
  min-width: 200px;
}

.footer h4 {
  margin: 0 0 var(--spacing-s);
  color: var(--color-white);
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 1rem;
}

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

.footer ul li {
  margin-bottom: var(--spacing-xs);
}

.footer a {
  color: var(--color-text-lighter);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-s);
}

.social-links li {
  margin-right: var(--spacing-s);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-m);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright p {
  margin: 0;
  color: var(--color-text-lighter);
  font-size: 0.9rem;
}

.footer__legal {
  display: flex;
  gap: var(--spacing-m);
}

.footer__legal a {
  color: var(--color-text-lighter);
  font-size: 0.9rem;
}

/* ================= МОДАЛЬНОЕ ОКНО ================= */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: var(--z-index-modal);
  overflow: auto;
}

.modal-content {
  position: relative;
  background-color: var(--color-white);
  margin: 10% auto;
  max-width: 800px;
  width: 90%;
  padding: var(--spacing-l);
  border: var(--neo-border);
  border-radius: var(--radius-small);
  box-shadow: var(--neo-shadow);
  animation: modalOpen 0.3s ease;
}

@keyframes modalOpen {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.close-modal {
  position: absolute;
  top: var(--spacing-s);
  right: var(--spacing-s);
  color: var(--color-text-light);
  font-size: 2rem;
  font-weight: bold;
  cursor: pointer;
  transition: color var(--transition-fast);
  line-height: 1;
}

.close-modal:hover {
  color: var(--color-secondary);
}

.stats-detail {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-m);
  margin-top: var(--spacing-m);
}

/* ================= СТРАНИЦА УСПЕШНОЙ ОТПРАВКИ ================= */
.success-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-l);
}

.success-icon {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background-color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-m);
}

.success-icon::before {
  content: '✓';
  color: var(--color-white);
  font-size: 4rem;
}

.success-page h2 {
  margin-bottom: var(--spacing-s);
  color: var(--color-secondary);
}

.success-page p {
  margin-bottom: var(--spacing-m);
  max-width: 600px;
}

/* ================= СТРАНИЦЫ PRIVACY И TERMS ================= */
.privacy-page,
.terms-page {
  padding-top: 150px; /* Для компенсации высоты фиксированного хедера */
  padding-bottom: var(--spacing-xl);
}

.privacy-page .container,
.terms-page .container {
  max-width: 800px;
}

.privacy-content,
.terms-content {
  background-color: var(--color-white);
  padding: var(--spacing-l);
  border: var(--neo-border);
  border-radius: var(--radius-small);
  box-shadow: var(--neo-shadow);
}

.privacy-content h2,
.terms-content h2 {
  margin-top: var(--spacing-l);
  margin-bottom: var(--spacing-m);
}

.privacy-content h3,
.terms-content h3 {
  margin-top: var(--spacing-m);
  margin-bottom: var(--spacing-s);
}

/* ================= АНИМАЦИЯ ================= */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.animate-fade-in {
  animation: fadeIn 1s ease forwards;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

/* ================= МЕДИА-ЗАПРОСЫ ================= */
@media (max-width: 992px) {
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
  
  h3 {
    font-size: 1.6rem;
  }
  
  .hero__title {
    font-size: 3.5rem;
  }
  
  .hero__subtitle {
    font-size: 1.3rem;
  }
  
  .services__grid,
  .portfolio__grid,
  .news__grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1.5rem;
    --spacing-m: 1.5rem;
    --spacing-l: 2.5rem;
    --spacing-xl: 4rem;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.4rem;
  }
  
  .header__wrapper {
    height: 70px;
  }
  
  .desktop-menu {
    display: none;
  }
  
  .mobile-menu-button {
    display: block;
  }
  
  .hero {
    height: 80vh;
    margin-top: 70px;
  }
  
  .hero__title {
    font-size: 3rem;
  }
  
  .hero__subtitle {
    font-size: 1.2rem;
  }
  
  .hero__buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .hero__buttons .btn {
    width: 100%;
    margin-bottom: var(--spacing-s);
  }
  
  .research__content,
  .sustainability__content,
  .community__content {
    flex-direction: column;
  }
  
  .research__image-container,
  .sustainability__image-container,
  .community__image-container {
    order: -1;
    margin-bottom: var(--spacing-m);
  }
  
  .testimonials-slider {
    flex-direction: column;
    gap: var(--spacing-m);
  }
  
  .testimonial {
    width: 100%;
  }
  
  .footer__top {
    flex-direction: column;
    gap: var(--spacing-m);
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: var(--spacing-m);
    text-align: center;
  }
  
  .footer__legal {
    justify-content: center;
  }
}

@media (max-width: 576px) {
  :root {
    --container-padding: 1rem;
    --spacing-m: 1.2rem;
    --spacing-l: 2rem;
    --spacing-xl: 3rem;
  }
  
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  h3 {
    font-size: 1.3rem;
  }
  
  .hero__title {
    font-size: 2.5rem;
  }
  
  .hero__subtitle {
    font-size: 1.1rem;
  }
  
  .card-image {
    height: 250px;
  }
  
  .modal-content {
    padding: var(--spacing-m);
    margin: 20% auto;
  }
  
  .stats-detail {
    grid-template-columns: 1fr;
  }
}
.mobile-menu.active{
  display: block;
}