/* Reset and base styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #2D3142;
  --color-secondary: #7289DA;
  --color-accent: #FF6B6B;
  --color-background: #F7F9FC;
  --color-text: #2D3142;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --container-width: 1200px;
  --container-padding: 20px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-background);
}

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

ul {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font: inherit;
}

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

/* Header styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  max-width: var(--container-width);
  padding: 0 var(--container-padding);
  margin: 0 auto;
}

.header__logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 24px;
  color: var(--color-primary);
  transition: color 0.3s ease;
}

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

.header__menu {
  display: flex;
  gap: 32px;
}

.header__menu-link {
  font-weight: 500;
  transition: color 0.3s ease;
}

.header__menu-link:hover {
  color: var(--color-secondary);
}

.header__burger {
  display: none;
  width: 24px;
  height: 24px;
  position: relative;
}

.header__burger span,
.header__burger span::before,
.header__burger span::after {
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transition: all 0.3s ease;
}

.header__burger span {
  top: 50%;
  transform: translateY(-50%);
}

.header__burger span::before,
.header__burger span::after {
  content: '';
  left: 0;
}

.header__burger span::before {
  top: -8px;
}

.header__burger span::after {
  bottom: -8px;
}

/* Footer styles */
.footer {
  background-color: var(--color-primary);
  color: white;
  padding: 60px 0;
  margin-top: 80px;
}

.footer__container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: var(--container-width);
  padding: 0 var(--container-padding);
  margin: 0 auto;
}

.footer__logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 24px;
  color: white;
}

.footer__menu,
.footer__legal-menu {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer__menu-link,
.footer__legal-link,
.footer__contact-link {
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.footer__menu-link:hover,
.footer__legal-link:hover,
.footer__contact-link:hover {
  opacity: 1;
}

.footer__contacts {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer__address {
  font-style: normal;
  opacity: 0.8;
  line-height: 1.6;
}

/* Cookie popup */
.cookie-popup {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background-color: white;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  padding: 24px;
  z-index: 1000;
  display: none;
}

.cookie-popup.active {
  display: block;
  animation: slideUp 0.5s ease;
}

.cookie-popup__content {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 600px;
}

.cookie-popup__text {
  font-size: 14px;
  color: var(--color-text);
}

.cookie-popup__button {
  padding: 8px 24px;
  background-color: var(--color-secondary);
  color: white;
  border-radius: 6px;
  font-weight: 500;
  transition: background-color 0.3s ease;
  white-space: nowrap;
}

.cookie-popup__button:hover {
  background-color: var(--color-primary);
}

/* Pages styles (for policy pages) */
.pages {
  padding: 120px 0 60px;
}

.pages .container {
  max-width: 800px;
}

.pages h1 {
  font-family: var(--font-heading);
  font-size: 40px;
  margin-bottom: 40px;
  color: var(--color-primary);
}

.pages h2 {
  font-family: var(--font-heading);
  font-size: 24px;
  margin: 40px 0 20px;
  color: var(--color-primary);
}

.pages p {
  margin-bottom: 20px;
  line-height: 1.8;
}

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

.pages li {
  margin-bottom: 12px;
}

.pages a {
  color: var(--color-secondary);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.pages a:hover {
  border-color: var(--color-secondary);
}

/* Hero section */
.hero {
  padding: 160px 0 80px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, var(--color-background) 0%, #ffffff 100%);
}

.hero__container {
  max-width: var(--container-width);
  padding: 0 var(--container-padding);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero__title-line {
  display: block;
  transform: translateY(30px);
  opacity: 0;
}

.hero__description {
  font-size: clamp(18px, 2vw, 20px);
  line-height: 1.6;
  color: var(--color-text);
  opacity: 0.8;
  margin-bottom: 40px;
  max-width: 540px;
  opacity: 0;
  transform: translateY(20px);
}

.hero__buttons {
  display: flex;
  gap: 16px;
  opacity: 0;
  transform: translateY(20px);
}

.hero__button {
  padding: 16px 32px;
  border-radius: 8px;
  font-weight: 500;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero__button:hover {
  transform: translateY(-2px);
}

.hero__button--primary {
  background-color: var(--color-secondary);
  color: white;
  box-shadow: 0 4px 12px rgba(114, 137, 218, 0.2);
}

.hero__button--primary:hover {
  box-shadow: 0 8px 24px rgba(114, 137, 218, 0.3);
}

.hero__button--secondary {
  border: 2px solid var(--color-secondary);
  color: var(--color-secondary);
}

.hero__visual {
  position: relative;
  opacity: 0;
  transform: translateX(30px);
}

.hero__shapes {
  position: absolute;
  inset: -20px;
  z-index: 0;
}

.hero__shape {
  position: absolute;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  opacity: 0.15;
}

.hero__shape--1 {
  width: 300px;
  height: 300px;
  background-color: var(--color-secondary);
  top: -10%;
  right: -10%;
  animation: floatAnimation 8s ease-in-out infinite;
}

.hero__shape--2 {
  width: 200px;
  height: 200px;
  background-color: var(--color-accent);
  bottom: 10%;
  left: -10%;
  animation: floatAnimation 12s ease-in-out infinite reverse;
}

.hero__shape--3 {
  width: 150px;
  height: 150px;
  background-color: var(--color-primary);
  top: 40%;
  right: 10%;
  animation: floatAnimation 10s ease-in-out infinite 1s;
}

.hero__shape--4 {
  width: 100px;
  height: 100px;
  background-color: var(--color-secondary);
  bottom: -10%;
  right: 20%;
  animation: floatAnimation 14s ease-in-out infinite 2s;
}

.hero__image {
  position: relative;
  z-index: 1;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.1);
}

.hero__img {
  width: 100%;
  height: auto;
  display: block;
  transform: scale(1.1);
  transition: transform 0.3s ease;
}

.hero__image:hover .hero__img {
  transform: scale(1);
}

@keyframes floatAnimation {
  0%, 100% {
    transform: translateY(0) rotate(0);
  }
  50% {
    transform: translateY(-20px) rotate(5deg);
  }
}

@media (max-width: 1024px) {
  .hero {
    padding: 120px 0 60px;
  }
}

@media (max-width: 768px) {
  .hero__container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero__content {
    text-align: center;
  }

  .hero__description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__buttons {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
  }
}

@media (max-width: 480px) {
  .hero__buttons {
    flex-direction: column;
  }

  .hero__button {
    width: 100%;
    text-align: center;
  }
}

/* Methodology section */
.methodology {
  padding: 100px 0;
  background-color: #ffffff;
}

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

.methodology__header {
  text-align: center;
  margin-bottom: 80px;
  opacity: 0;
  transform: translateY(20px);
}

.methodology__title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 4vw, 48px);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.methodology__subtitle {
  font-size: 20px;
  color: var(--color-text);
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto;
}

.methodology__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-bottom: 80px;
}

.methodology__card {
  padding: 32px;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
}

.methodology__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.methodology__icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-secondary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: white;
  transition: transform 0.3s ease;
}

.methodology__card:hover .methodology__icon {
  transform: scale(1.1);
}

.methodology__icon svg {
  width: 24px;
  height: 24px;
}

.methodology__card-title {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.methodology__card-text {
  color: var(--color-text);
  opacity: 0.8;
  line-height: 1.6;
}

.methodology__feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px;
  background: linear-gradient(135deg, var(--color-secondary) 0%, #5B6EAE 100%);
  border-radius: 24px;
  color: white;
  opacity: 0;
  transform: translateY(20px);
}

.methodology__feature-content {
  max-width: 480px;
}

.methodology__feature-title {
  font-family: var(--font-heading);
  font-size: 32px;
  margin-bottom: 24px;
}

.methodology__feature-text {
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 32px;
  opacity: 0.9;
}

.methodology__feature-button {
  display: inline-block;
  padding: 16px 32px;
  background-color: white;
  color: var(--color-secondary);
  border-radius: 8px;
  font-weight: 500;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.methodology__feature-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.methodology__feature-visual {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
}

.methodology__feature-img {
  width: 100%;
  height: auto;
  display: block;
  transform: scale(1.1);
  transition: transform 0.3s ease;
}

.methodology__feature-visual:hover .methodology__feature-img {
  transform: scale(1);
}

@media (max-width: 1024px) {
  .methodology {
    padding: 80px 0;
  }

  .methodology__feature {
    padding: 40px;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .methodology__header {
    margin-bottom: 60px;
  }

  .methodology__feature {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .methodology__feature-content {
    max-width: none;
  }
}

/* Courses section */
.courses {
  padding: 100px 0;
  background-color: var(--color-background);
}

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

.courses__header {
  text-align: center;
  margin-bottom: 80px;
  opacity: 0;
  transform: translateY(20px);
}

.courses__title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 4vw, 48px);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.courses__subtitle {
  font-size: 20px;
  color: var(--color-text);
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto;
}

.courses__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-bottom: 80px;
}

.courses__card {
  background: white;
  border-radius: 20px;
  padding: 40px;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  opacity: 0;
  transform: translateY(20px);
}

.courses__card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.1);
}

.courses__card--featured {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #5B6EAE 100%);
  color: white;
}

.courses__card--featured .courses__card-badge,
.courses__card--featured .courses__card-title,
.courses__card--featured .courses__card-description,
.courses__card--featured .courses__card-feature {
  color: white;
}

.courses__card--featured .courses__card-icon {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
}

.courses__card--featured .courses__card-button {
  background-color: white;
  color: var(--color-secondary);
}

.courses__card--featured .courses__card-button:hover {
  background-color: rgba(255, 255, 255, 0.9);
}

.courses__card-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 6px 12px;
  background-color: var(--color-accent);
  color: white;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
}

.courses__card-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-secondary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: white;
  transition: transform 0.3s ease;
}

.courses__card:hover .courses__card-icon {
  transform: scale(1.1) rotate(-5deg);
}

.courses__card-icon svg {
  width: 28px;
  height: 28px;
}

.courses__card-title {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.courses__card-description {
  color: var(--color-text);
  opacity: 0.8;
  line-height: 1.6;
  margin-bottom: 24px;
}

.courses__card-features {
  margin-bottom: 32px;
}

.courses__card-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text);
  margin-bottom: 12px;
}

.courses__card-feature svg {
  width: 20px;
  height: 20px;
  color: var(--color-secondary);
}

.courses__card--featured .courses__card-feature svg {
  color: white;
}

.courses__card-button {
  display: inline-block;
  width: 100%;
  padding: 16px 32px;
  background-color: var(--color-secondary);
  color: white;
  border-radius: 8px;
  text-align: center;
  font-weight: 500;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.courses__card-button:hover {
  background-color: var(--color-primary);
}

.courses__info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  opacity: 0;
  transform: translateY(20px);
}

.courses__info-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.courses__info-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-secondary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.courses__info-icon svg {
  width: 24px;
  height: 24px;
}

.courses__info-title {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.courses__info-text {
  color: var(--color-text);
  opacity: 0.8;
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .courses {
    padding: 80px 0;
  }

  .courses__grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .courses__header {
    margin-bottom: 60px;
  }

  .courses__card {
    padding: 32px;
  }
}

/* Mentors section */
.mentors {
  padding: 100px 0;
  background-color: #ffffff;
}

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

.mentors__header {
  text-align: center;
  margin-bottom: 80px;
  opacity: 0;
  transform: translateY(20px);
}

.mentors__title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 4vw, 48px);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.mentors__subtitle {
  font-size: 20px;
  color: var(--color-text);
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto;
}

.mentors__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-bottom: 80px;
}

.mentors__card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
}

.mentors__card:hover {
  transform: translateY(-8px);
}

.mentors__card-visual {
  position: relative;
  padding-top: 75%;
  background-color: var(--color-secondary);
}

.mentors__card-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.mentors__card-socials {
  position: absolute;
  bottom: 20px;
  right: 20px;
  display: flex;
  gap: 12px;
  z-index: 1;
}

.mentors__social-link {
  width: 36px;
  height: 36px;
  background-color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.mentors__social-link:hover {
  transform: translateY(-2px);
  background-color: var(--color-secondary);
  color: white;
}

.mentors__social-link svg {
  width: 18px;
  height: 18px;
}

.mentors__card-content {
  padding: 32px;
}

.mentors__card-name {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.mentors__card-role {
  font-size: 16px;
  color: var(--color-secondary);
  margin-bottom: 16px;
  font-weight: 500;
}

.mentors__card-description {
  color: var(--color-text);
  opacity: 0.8;
  line-height: 1.6;
  margin-bottom: 24px;
}

.mentors__card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mentors__tag {
  padding: 6px 12px;
  background-color: var(--color-background);
  border-radius: 20px;
  font-size: 14px;
  color: var(--color-secondary);
  font-weight: 500;
}

.mentors__cta {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #5B6EAE 100%);
  border-radius: 24px;
  padding: 60px;
  text-align: center;
  color: white;
  opacity: 0;
  transform: translateY(20px);
}

.mentors__cta-content {
  max-width: 600px;
  margin: 0 auto;
}

.mentors__cta-title {
  font-family: var(--font-heading);
  font-size: 32px;
  margin-bottom: 16px;
}

.mentors__cta-text {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 32px;
}

.mentors__cta-button {
  display: inline-block;
  padding: 16px 32px;
  background-color: white;
  color: var(--color-secondary);
  border-radius: 8px;
  font-weight: 500;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mentors__cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

@media (max-width: 1024px) {
  .mentors {
    padding: 80px 0;
  }

  .mentors__cta {
    padding: 40px;
  }
}

@media (max-width: 768px) {
  .mentors__header {
    margin-bottom: 60px;
  }

  .mentors__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .mentors__cta-title {
    font-size: 28px;
  }
}

/* Research section */
.research {
  padding: 100px 0;
  background-color: var(--color-background);
}

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

.research__header {
  text-align: center;
  margin-bottom: 60px;
  opacity: 0;
  transform: translateY(20px);
}

.research__title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 4vw, 48px);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.research__subtitle {
  font-size: 20px;
  color: var(--color-text);
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto;
}

.research__tabs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  position: relative;
  opacity: 0;
  transform: translateY(20px);
}

.research__tab {
  padding: 12px 24px;
  font-weight: 500;
  color: var(--color-text);
  opacity: 0.6;
  transition: all 0.3s ease;
  position: relative;
}

.research__tab--active {
  color: var(--color-secondary);
  opacity: 1;
}

.research__tab-indicator {
  position: absolute;
  bottom: -2px;
  height: 2px;
  background-color: var(--color-secondary);
  transition: transform 0.3s ease;
}

.research__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-bottom: 80px;
}

.research__card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
}

.research__card:hover {
  transform: translateY(-8px);
}

.research__card-visual {
  position: relative;
  padding-top: 60%;
}

.research__card-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.research__card-category {
  position: absolute;
  top: 20px;
  left: 20px;
  padding: 8px 16px;
  background-color: var(--color-secondary);
  color: white;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  z-index: 1;
}

.research__card-content {
  padding: 32px;
}

.research__card-meta {
  display: flex;
  gap: 24px;
  margin-bottom: 16px;
  color: var(--color-text);
  opacity: 0.6;
  font-size: 14px;
}

.research__card-date,
.research__card-views {
  display: flex;
  align-items: center;
  gap: 8px;
}

.research__card-meta svg {
  width: 16px;
  height: 16px;
}

.research__card-title {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.research__card-description {
  color: var(--color-text);
  opacity: 0.8;
  line-height: 1.6;
  margin-bottom: 24px;
}

.research__card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.research__card-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.research__author-image {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.research__author-name {
  font-weight: 500;
  color: var(--color-primary);
}

.research__card-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-secondary);
  font-weight: 500;
  transition: transform 0.3s ease;
}

.research__card-link:hover {
  transform: translateX(4px);
}

.research__card-link svg {
  width: 20px;
  height: 20px;
}

.research__newsletter {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #5B6EAE 100%);
  border-radius: 24px;
  padding: 60px;
  color: white;
  opacity: 0;
  transform: translateY(20px);
}

.research__newsletter-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.research__newsletter-title {
  font-family: var(--font-heading);
  font-size: 32px;
  margin-bottom: 16px;
}

.research__newsletter-text {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 32px;
}

.research__newsletter-form {
  display: flex;
  gap: 16px;
  max-width: 480px;
  margin: 0 auto;
}

.research__newsletter-input {
  flex: 1;
  padding: 16px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-family: inherit;
}

.research__newsletter-input:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5);
}

.research__newsletter-button {
  padding: 16px 32px;
  background-color: var(--color-primary);
  color: white;
  border-radius: 8px;
  font-weight: 500;
  transition: transform 0.3s ease, background-color 0.3s ease;
  white-space: nowrap;
}

.research__newsletter-button:hover {
  transform: translateY(-2px);
  background-color: #3d4258;
}

@media (max-width: 1024px) {
  .research {
    padding: 80px 0;
  }

  .research__newsletter {
    padding: 40px;
  }
}

@media (max-width: 768px) {
  .research__header {
    margin-bottom: 40px;
  }

  .research__tabs {
    flex-wrap: wrap;
  }

  .research__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .research__newsletter-form {
    flex-direction: column;
  }

  .research__newsletter-button {
    width: 100%;
  }
}

/* Contact section */
.contact {
  padding: 100px 0;
  background-color: #ffffff;
  position: relative;
}

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

.contact__header {
  text-align: center;
  margin-bottom: 60px;
  opacity: 0;
  transform: translateY(20px);
}

.contact__title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 4vw, 48px);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.contact__subtitle {
  font-size: 20px;
  color: var(--color-text);
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto;
}

.contact__content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}

.contact__info {
  background: var(--color-background);
  border-radius: 24px;
  padding: 40px;
  opacity: 0;
  transform: translateX(-20px);
}

.contact__info-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 32px;
}

.contact__info-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-secondary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.contact__info-icon svg {
  width: 24px;
  height: 24px;
}

.contact__info-title {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.contact__info-text {
  color: var(--color-text);
  opacity: 0.8;
  line-height: 1.6;
}

.contact__info-link {
  color: var(--color-secondary);
  transition: opacity 0.3s ease;
}

.contact__info-link:hover {
  opacity: 0.8;
}

.contact__schedule {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  padding-top: 32px;
  margin-top: 32px;
}

.contact__schedule-title {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.contact__schedule-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
}

.contact__schedule-days {
  font-weight: 500;
  color: var(--color-primary);
}

.contact__schedule-hours {
  color: var(--color-text);
  opacity: 0.8;
}

.contact__form {
  background: white;
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  opacity: 0;
  transform: translateX(20px);
}

.contact__form-group {
  margin-bottom: 24px;
}

.contact__form-group--checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 32px;
}

.contact__label {
  display: block;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.contact__input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.3s ease;
}

.contact__input:focus {
  outline: none;
  border-color: var(--color-secondary);
}

.contact__checkbox {
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.contact__checkbox-label {
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
  opacity: 0.8;
}

.contact__link {
  color: var(--color-secondary);
  text-decoration: underline;
  transition: opacity 0.3s ease;
}

.contact__link:hover {
  opacity: 0.8;
}

.contact__submit {
  width: 100%;
  padding: 16px;
  background-color: var(--color-secondary);
  color: white;
  border-radius: 8px;
  font-weight: 500;
  font-size: 16px;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.contact__submit:hover {
  transform: translateY(-2px);
  background-color: var(--color-primary);
}

.contact__notification {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: white;
  border-radius: 12px;
  padding: 16px 24px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
}

.contact__notification.active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
}

.contact__notification-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.contact__notification-icon {
  width: 24px;
  height: 24px;
  color: #10B981;
}

.contact__notification-text {
  color: var(--color-primary);
  font-weight: 500;
}

@media (max-width: 1024px) {
  .contact {
    padding: 80px 0;
  }

  .contact__content {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
    gap: 40px;
  }

  .contact__info {
    order: 1;
  }
}

@media (max-width: 768px) {
  .contact__header {
    margin-bottom: 40px;
  }

  .contact__info,
  .contact__form {
    padding: 24px;
  }
}

/* Animations */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translate(-50%, 20px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

/* Responsive styles */
@media (max-width: 1024px) {
  .footer__container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header__nav {
    display: none;
  }

  .header__burger {
    display: block;
  }

  .footer__container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cookie-popup {
    bottom: 0;
    left: 0;
    right: 0;
    transform: none;
    border-radius: 12px 12px 0 0;
  }

  .cookie-popup__content {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 16px;
  }

  .header__container {
    height: 64px;
  }

  .pages h1 {
    font-size: 32px;
  }
}