:root {
  /* Триадная цветовая схема */
  --primary-color: #3E7CB1; /* Основной синий */
  --primary-dark: #2B5881;
  --primary-light: #5A9AD3;
  
  --secondary-color: #B1553E; /* Красно-оранжевый */
  --secondary-dark: #8C4331;
  --secondary-light: #D27E6A;
  
  --tertiary-color: #55B13E; /* Зеленый */
  --tertiary-dark: #427F31;
  --tertiary-light: #7FCF68;
  
  /* Нейтральные цвета */
  --white: #ffffff;
  --light-gray: #f5f5f5;
  --medium-gray: #e0e0e0;
  --dark-gray: #333333;
  --black: #121212;
  
  /* Шрифты */
  --heading-font: 'Oswald', sans-serif;
  --body-font: 'Nunito', sans-serif;
  
  /* Размеры шрифтов */
  --font-size-small: 0.875rem;
  --font-size-normal: 1rem;
  --font-size-medium: 1.125rem;
  --font-size-large: 1.5rem;
  --font-size-xlarge: 2rem;
  --font-size-xxlarge: 3rem;
  
  /* Анимации */
  --transition-fast: 0.2s ease-in-out;
  --transition-medium: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  --bounce: cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Общие стили */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  color: var(--dark-gray);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  font-weight: 600;
  margin-bottom: 1rem;
  line-height: 1.2;
}

p {
  margin-bottom: 1.5rem;
}

a {
  color: var(--primary-color);
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
  text-decoration: none;
}

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

.section {
  padding: 5rem 1.5rem;
}

.container {
  padding: 0 1.5rem;
}

/* Кнопки */
.button {
  font-family: var(--heading-font);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-medium) var(--bounce);
  border-radius: 30px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.button:hover {
  transform: translateY(-3px);
  box-shadow: 0 7px 14px rgba(0, 0, 0, 0.15);
}

.button:active {
  transform: translateY(-1px);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.12);
}

.button.is-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.button.is-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

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

.button.is-secondary:hover {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
}

.button.is-tertiary {
  background-color: var(--tertiary-color);
  border-color: var(--tertiary-color);
  color: var(--white);
}

.button.is-tertiary:hover {
  background-color: var(--tertiary-dark);
  border-color: var(--tertiary-dark);
}

.button.is-outlined {
  background-color: transparent;
}

.button.is-rounded {
  border-radius: 9999px;
}

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

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-20px);
  }
  60% {
    transform: translateY(-10px);
  }
}

/* Навигация */
.navbar {
  background-color: var(--white);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  transition: all var(--transition-medium);
}

.navbar-item {
  font-family: var(--heading-font);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--dark-gray);
  transition: color var(--transition-fast);
}

.navbar-item:hover {
  color: var(--primary-color);
  background-color: transparent;
}

.navbar-burger {
  height: 3.25rem;
  width: 3.25rem;
}

.navbar-burger span {
  height: 2px;
  width: 15px;
  left: calc(50% - 8px);
}

.navbar-burger:hover {
  background-color: transparent;
}

/* Hero секция */
.hero {
  position: relative;
  overflow: hidden;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -1;
  filter: brightness(0.8);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,0.5), rgba(0,0,0,0.7));
  z-index: -1;
}

.hero-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  z-index: 1;
}

.hero .title, .hero .subtitle, .hero-text {
  color: var(--white) !important;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero .title {
  font-size: var(--font-size-xxlarge);
  margin-bottom: 1.5rem;
}

.hero .subtitle {
  font-size: var(--font-size-large);
  margin-bottom: 2rem;
}

.hero-text {
  font-size: var(--font-size-medium);
  max-width: 800px;
  margin: 0 auto 2.5rem auto;
}

/* Vision секция */
#vision {
  background-color: var(--white);
}

.image-container {
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-medium) var(--bounce);
}

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

.image-container img {
  transition: transform var(--transition-slow);
}

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

/* Research секция */
#research {
  position: relative;
}

.progress-container {
  margin-top: 2rem;
}

.progress-container p {
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.progress {
  height: 10px;
  border-radius: 5px;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.progress::-webkit-progress-bar {
  background-color: var(--medium-gray);
  border-radius: 5px;
}

.progress.is-primary::-webkit-progress-value {
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
  border-radius: 5px;
}

.progress.is-info::-webkit-progress-value {
  background: linear-gradient(90deg, var(--secondary-color), var(--secondary-light));
  border-radius: 5px;
}

.progress.is-success::-webkit-progress-value {
  background: linear-gradient(90deg, var(--tertiary-color), var(--tertiary-light));
  border-radius: 5px;
}

/* External Resources секция */
#resources .card {
  height: 100%;
  transition: transform var(--transition-medium) var(--bounce), box-shadow var(--transition-medium);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

#resources .card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

#resources .card-content {
  flex-grow: 1;
  padding: 1.5rem;
}

#resources .card .title {
  font-size: var(--font-size-medium);
  margin-bottom: 1rem;
}

#resources .card .title a {
  color: var(--primary-color);
  transition: color var(--transition-fast);
}

#resources .card .title a:hover {
  color: var(--primary-dark);
}

/* Sustainability секция */
#sustainability {
  background-color: var(--light-gray);
  position: relative;
}

.accordion-container {
  margin-top: 2rem;
}

.accordion {
  margin-bottom: 1rem;
  border-radius: 5px;
  overflow: hidden;
}

.accordion-header {
  cursor: pointer;
}

.accordion-header button {
  text-align: left;
  padding: 1rem;
  width: 100%;
  font-weight: 600;
  transition: background-color var(--transition-fast);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium);
  background-color: var(--white);
  padding: 0 1rem;
}

.accordion-content .content {
  padding: 1rem 0;
}

/* Pricing секция */
#pricing {
  background-color: var(--white);
}

.pricing-card {
  height: 100%;
  transition: transform var(--transition-medium) var(--bounce), box-shadow var(--transition-medium);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.pricing-card .card-image {
  width: 100%;
  overflow: hidden;
}

.pricing-card .card-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.pricing-card .card-content {
  padding: 1.5rem;
  text-align: center;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pricing-card .title {
  margin-bottom: 1rem;
}

.pricing-card .content {
  margin-bottom: 1.5rem;
}

.pricing-card .price {
  font-family: var(--heading-font);
  font-size: var(--font-size-large);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

/* Modals */
.modal-card {
  max-width: 800px;
  width: 90%;
  border-radius: 10px;
  overflow: hidden;
}

.modal-card-head, .modal-card-foot {
  background-color: var(--light-gray);
  border: none;
}

.modal-card-title {
  font-family: var(--heading-font);
  color: var(--primary-color);
}

.modal-card-body img {
  border-radius: 5px;
  max-height: 300px;
  object-fit: cover;
}

/* Accolades секция */
#accolades {
  background-color: var(--light-gray);
}

.accolade-card {
  height: 100%;
  transition: transform var(--transition-medium) var(--bounce), box-shadow var(--transition-medium);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.accolade-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.accolade-card .card-image {
  width: 100%;
  overflow: hidden;
}

.accolade-card .card-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.accolade-card .card-content {
  padding: 1.5rem;
  text-align: center;
  flex-grow: 1;
}

/* Contact секция */
#contact {
  background-color: var(--white);
}

.contact-info {
  padding: 2rem;
  background-color: var(--light-gray);
  border-radius: 10px;
  height: 100%;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.contact-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-right: 1rem;
  margin-top: 0.25rem;
}

.contact-item h3 {
  margin-bottom: 0.5rem;
}

.contact-form-container {
  background-color: var(--white);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.field {
  margin-bottom: 1.5rem;
}

.label {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.input, .textarea {
  border-radius: 5px;
  border: 1px solid var(--medium-gray);
  padding: 0.75rem;
  font-family: var(--body-font);
  transition: border-color var(--transition-fast);
}

.input:focus, .textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(62, 124, 177, 0.25);
}

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

.checkbox input {
  margin-right: 0.5rem;
}

/* Footer */
.footer {
  background-color: var(--dark-gray);
  color: var(--white);
  padding: 4rem 1.5rem 2rem;
}

.footer .title {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.footer p {
  color: var(--medium-gray);
}

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

.footer ul li {
  margin-bottom: 0.75rem;
}

.footer ul li a {
  color: var(--medium-gray);
  transition: color var(--transition-fast);
}

.footer ul li a:hover {
  color: var(--white);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.social-links a {
  color: var(--medium-gray);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.social-links a:hover {
  color: var(--white);
}

.footer .newsletter .input {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: transparent;
  color: var(--white);
}

.footer .newsletter .input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.footer .newsletter .input:focus {
  background-color: rgba(255, 255, 255, 0.15);
}

.footer .content p {
  color: var(--medium-gray);
}

/* Страницы About, Privacy, Terms */
.page-content {
  padding-top: 100px;
  min-height: calc(100vh - 400px);
}

/* Success страница */
.success-page {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  text-align: center;
  padding: 2rem;
}

.success-icon {
  font-size: 5rem;
  color: var(--tertiary-color);
  margin-bottom: 2rem;
}

.success-page .title {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.success-page .subtitle {
  margin-bottom: 2.5rem;
}

/* Анимированные иконки */
.animated-icon {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

/* Адаптивный дизайн */
@media screen and (max-width: 768px) {
  .hero .title {
    font-size: var(--font-size-xlarge);
  }
  
  .hero .subtitle {
    font-size: var(--font-size-medium);
  }
  
  .section {
    padding: 3rem 1rem;
  }
  
  .contact-info {
    margin-bottom: 2rem;
  }
  
  .footer {
    padding: 3rem 1rem 1.5rem;
  }
  
  .social-links {
    margin-bottom: 1rem;
  }
}

@media screen and (max-width: 480px) {
  .hero .title {
    font-size: var(--font-size-large);
  }
  
  .hero .subtitle {
    font-size: var(--font-size-normal);
  }
  
  .section {
    padding: 2rem 0.75rem;
  }
  
  .buttons.is-centered {
    flex-direction: column;
  }
  
  .buttons.is-centered .button {
    margin-bottom: 1rem;
  }
}

/* Cookie Consent */
#cookie-consent {
  animation: slideUp 0.5s var(--bounce);
}

#accept-cookies {
  transition: background-color var(--transition-medium), transform var(--transition-medium) var(--bounce);
}

#accept-cookies:hover {
  background-color: #5CCD60;
  transform: translateY(-3px);
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

/* Читать далее */
.read-more {
  display: inline-block;
  font-weight: 600;
  color: var(--primary-color);
  text-decoration: none;
  position: relative;
  padding-right: 1.5rem;
  transition: color var(--transition-fast);
}

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

.read-more:hover {
  color: var(--primary-dark);
}

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

/* Card styles */
.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
  transition: transform var(--transition-medium) var(--bounce), box-shadow var(--transition-medium);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.card-image {
  width: 100%;
  text-align: center;
  overflow: hidden;
}

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

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

.card-content {
  padding: 1.5rem;
  text-align: center;
  flex-grow: 1;
  width: 100%;
}

/* H1-H6 стили */
h1 {
  font-size: var(--font-size-xxlarge);
}

h2 {
  font-size: var(--font-size-xlarge);
}

h3 {
  font-size: var(--font-size-large);
}

h4 {
  font-size: var(--font-size-medium);
}

h5 {
  font-size: var(--font-size-normal);
  font-weight: 700;
}

h6 {
  font-size: var(--font-size-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}