:root {
  /* Триадная цветовая схема */
  --primary: #3273dc;
  --primary-dark: #205bbf;
  --primary-light: #5e90e5;
  --primary-lighter: #ebf0fa;
  
  --secondary: #dc3273;
  --secondary-dark: #bf205b;
  --secondary-light: #e55e90;
  
  --tertiary: #73dc32;
  --tertiary-dark: #5bbf20;
  --tertiary-light: #90e55e;
  
  --grey-dark: #333333;
  --grey: #707070;
  --grey-light: #f5f5f5;
  
  --white: #ffffff;
  --black: #111111;
  
  /* Переходы и тени */
  --transition-speed: 0.3s;
  --transition-ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --box-shadow: 0 10px 30px -15px rgba(0, 0, 0, 0.15);
  --box-shadow-hover: 0 15px 35px -15px rgba(0, 0, 0, 0.25);
  --box-shadow-floating: 0 20px 40px -20px rgba(0, 0, 0, 0.2);
  
  /* Скругления */
  --border-radius-small: 4px;
  --border-radius-medium: 8px;
  --border-radius-large: 16px;
  
  /* Типографика */
  --heading-font: 'Roboto', sans-serif;
  --body-font: 'Lato', sans-serif;
  --line-height: 1.6;
}

/* Базовые стили и сброс */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  line-height: var(--line-height);
  color: var(--grey-dark);
  overflow-x: hidden;
  background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  font-weight: 700;
  margin-bottom: 0.5em;
  line-height: 1.2;
}

a {
  color: var(--primary);
  transition: color var(--transition-speed) var(--transition-ease);
  text-decoration: none;
}

a:hover {
  color: var(--primary-dark);
}

/* Общие компоненты */
.section {
  padding: 4rem 1.5rem;
  position: relative;
}

.section.is-medium {
  padding: 5rem 1.5rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* Морфинг элементы и анимации */
@keyframes morphing {
  0% {
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  }
  25% {
    border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%;
  }
  50% {
    border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%;
  }
  75% {
    border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%;
  }
  100% {
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  }
}

.is-morphing {
  position: relative;
  overflow: hidden;
}

.is-morphing::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, var(--primary-light) 0%, var(--primary) 100%);
  opacity: 0;
  z-index: -1;
  transform: translateY(100%);
  transition: transform 0.6s var(--transition-ease), opacity 0.6s var(--transition-ease);
}

.is-morphing:hover::before {
  opacity: 0.2;
  transform: translateY(0);
}

/* 3D элементы */
.is-3d-element {
  transition: transform var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
  box-shadow: var(--box-shadow);
  transform: translateY(0) perspective(1000px) rotateX(0) rotateY(0);
  border-radius: var(--border-radius-medium);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.is-3d-element:hover {
  transform: translateY(-10px) perspective(1000px) rotateX(2deg) rotateY(2deg);
  box-shadow: var(--box-shadow-hover);
}

/* Анимация чисел */
@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.is-animated-number {
  display: inline-block;
  animation: countUp 1.5s var(--transition-ease) forwards;
}

/* Анимация появления элементов */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.is-animated {
  animation: fadeInUp 0.8s var(--transition-ease) forwards;
  opacity: 0;
  animation-fill-mode: both;
}

.is-animated:nth-child(1) { animation-delay: 0.1s; }
.is-animated:nth-child(2) { animation-delay: 0.2s; }
.is-animated:nth-child(3) { animation-delay: 0.3s; }
.is-animated:nth-child(4) { animation-delay: 0.4s; }

/* Кнопки */
.button {
  transition: all var(--transition-speed) var(--transition-ease);
  font-weight: 600;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

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

.button.is-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 7px 14px rgba(50, 115, 220, 0.2);
}

.button.is-rounded {
  border-radius: 2rem;
}

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

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

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

.button.is-light:hover {
  background-color: var(--primary-lighter);
  color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 7px 14px rgba(245, 245, 245, 0.3);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: background-color var(--transition-speed) var(--transition-ease),
              box-shadow var(--transition-speed) var(--transition-ease);
}

.header.is-transparent {
  background-color: transparent;
  box-shadow: none;
}

.header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar {
  min-height: 4.5rem;
}

.navbar-item {
  font-weight: 500;
  position: relative;
}

.navbar-item::after {
  content: '';
  position: absolute;
  bottom: 10px;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width 0.3s var(--transition-ease), left 0.3s var(--transition-ease);
}

.navbar-item:hover::after {
  width: 70%;
  left: 15%;
}

.navbar-burger {
  height: 4.5rem;
  width: 4.5rem;
}

/* Hero секция */
.hero {
  position: relative;
  overflow: hidden;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.hero.is-fullheight {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero .title,
.hero .subtitle,
.hero p {
  color: var(--white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

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

.scroll-down {
  cursor: pointer;
  animation: bounce 2s infinite;
}

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

/* Research секция */
#research .card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

#research .card-image {
  overflow: hidden;
  border-radius: var(--border-radius-medium) var(--border-radius-medium) 0 0;
}

#research .card-image img {
  transition: transform 0.8s var(--transition-ease);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

#research .card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.stat-widget {
  background-color: var(--grey-light);
  padding: 1.5rem;
  border-radius: var(--border-radius-medium);
  margin-top: auto;
}

.stat-widget .title {
  margin-bottom: 0;
  color: var(--primary);
  font-size: 2rem;
}

.stat-widget .heading {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--grey);
  letter-spacing: 1px;
}

/* Services секция */
#services .card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

#services .card-image {
  overflow: hidden;
}

#services .card-image figure {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#services .card-image img {
  transition: transform 0.8s var(--transition-ease);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

#services .card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

#services .card-content .button {
  margin-top: auto;
}

/* News секция */
#news article.card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

#news .card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

#news .content {
  flex-grow: 1;
}

#news .card-content .button {
  margin-top: auto;
  align-self: flex-start;
}

#news .subtitle.is-6 {
  margin-bottom: 0.5rem;
}

/* External Resources секция */
#external-resources .card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

#external-resources .card-image {
  overflow: hidden;
}

#external-resources .card-image img {
  transition: transform 0.8s var(--transition-ease);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

#external-resources .card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

#external-resources .card-content .button {
  margin-top: auto;
  align-self: center;
}

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

.accordion-item {
  margin-bottom: 1.5rem;
  border-radius: var(--border-radius-medium);
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  background-color: var(--white);
}

.accordion-header {
  padding: 1.25rem 1.5rem;
  background-color: var(--white);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color var(--transition-speed) var(--transition-ease);
}

.accordion-header:hover {
  background-color: var(--primary-lighter);
}

.accordion-header h3 {
  margin-bottom: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

.accordion-content {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--transition-ease), padding 0.5s var(--transition-ease);
}

.accordion-item.is-active .accordion-content {
  padding: 1.5rem;
  max-height: 1000px;
  transition: max-height 1s var(--transition-ease), padding 0.5s var(--transition-ease);
}

.accordion-item.is-active .accordion-header {
  background-color: var(--primary-lighter);
}

.accordion-item.is-active .icon {
  transform: rotate(180deg);
}

.accordion-header .icon {
  transition: transform var(--transition-speed) var(--transition-ease);
}

/* Blog секция */
#blog .card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

#blog .card-image {
  overflow: hidden;
}

#blog .card-image img {
  transition: transform 0.8s var(--transition-ease);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

#blog .card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

#blog .content {
  flex-grow: 1;
}

#blog .subtitle.is-6 {
  margin-bottom: 0.5rem;
}

#blog .card-content .button {
  margin-top: auto;
  align-self: flex-start;
}

/* Webinars секция */
#webinars .card {
  height: 100%;
}

#webinars .media-left .image {
  border-radius: 50%;
  overflow: hidden;
}

#webinars .media-left .image img {
  object-fit: cover;
}

#webinars .tags {
  margin-top: 1rem;
}

#webinars .tag.is-primary.is-light {
  background-color: var(--primary-lighter);
  color: var(--primary-dark);
}

/* Workshops секция */
#workshops .card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

#workshops .card-image {
  overflow: hidden;
}

#workshops .card-image img {
  transition: transform 0.8s var(--transition-ease);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

#workshops .card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

#workshops .card-content .button {
  margin-top: auto;
  align-self: center;
}

/* Gallery секция */
.custom-slider {
  position: relative;
  margin-top: 2rem;
  overflow: hidden;
}

.slider-container {
  display: flex;
  transition: transform 0.5s ease;
  margin: 0 -1rem;
}

.slider-item {
  flex: 0 0 100%;
  padding: 0 1rem;
  transition: opacity 0.5s ease;
  opacity: 0.7;
}

.slider-item.is-active {
  opacity: 1;
}

.slider-item figure {
  overflow: hidden;
  border-radius: var(--border-radius-medium);
  box-shadow: var(--box-shadow);
  margin-bottom: 1rem;
}

.slider-item figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--transition-ease);
}

.slider-item:hover figure img {
  transform: scale(1.05);
}

.slider-controls {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.slider-controls .button {
  margin: 0 0.5rem;
}

/* Clientele секция */
.client-logos {
  padding: 2rem 0;
  background-color: var(--white);
  border-radius: var(--border-radius-medium);
  box-shadow: var(--box-shadow);
}

.client-logos img {
  transition: transform var(--transition-speed) var(--transition-ease), opacity var(--transition-speed) var(--transition-ease);
  opacity: 0.7;
  filter: grayscale(100%);
  max-height: 80px;
  width: auto;
}

.client-logos img:hover {
  transform: scale(1.1);
  opacity: 1;
  filter: grayscale(0%);
}

.testimonials-slider {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  overflow: hidden;
}

.testimonial-item {
  padding: 2rem;
  text-align: center;
  transition: opacity 0.5s ease;
}

.slider-dots {
  display: flex;
  justify-content: center;
  margin-top: 1.5rem;
}

.slider-dot {
  width: 10px;
  height: 10px;
  background-color: var(--grey);
  border-radius: 50%;
  margin: 0 5px;
  cursor: pointer;
  transition: background-color var(--transition-speed) var(--transition-ease), transform var(--transition-speed) var(--transition-ease);
}

.slider-dot.is-active {
  background-color: var(--primary);
  transform: scale(1.3);
}

/* Contact секция */
#contact .card {
  height: 100%;
}

.map-container {
  border-radius: var(--border-radius-medium);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.map-container img {
  width: 100%;
  height: auto;
  display: block;
}

#contact form .input,
#contact form .textarea {
  transition: box-shadow var(--transition-speed) var(--transition-ease), border-color var(--transition-speed) var(--transition-ease);
}

#contact form .input:focus,
#contact form .textarea:focus {
  box-shadow: 0 0 0 2px rgba(50, 115, 220, 0.25);
  border-color: var(--primary);
}

/* Footer */
.footer {
  padding: 4rem 1.5rem 2rem;
}

.footer a {
  transition: color var(--transition-speed) var(--transition-ease);
}

.footer a:hover {
  color: var(--primary-light) !important;
}

.footer ul {
  list-style: none;
  padding-left: 0;
  margin-top: 1rem;
}

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

.social-links {
  display: flex;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.social-links a {
  transition: color var(--transition-speed) var(--transition-ease);
  position: relative;
}

.social-links a:hover {
  text-decoration: none;
}

.social-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-light);
  transition: width var(--transition-speed) var(--transition-ease);
}

.social-links a:hover::after {
  width: 100%;
}

/* Success Page */
.success-page {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: var(--primary-lighter);
}

.success-content {
  padding: 3rem;
  background-color: var(--white);
  border-radius: var(--border-radius-large);
  box-shadow: var(--box-shadow-floating);
  max-width: 600px;
}

.success-icon {
  font-size: 5rem;
  color: var(--tertiary);
  margin-bottom: 1.5rem;
}

/* Privacy & Terms Pages */
.content-page {
  padding-top: 100px;
}

.content-page .content {
  background-color: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius-medium);
  box-shadow: var(--box-shadow);
}

/* Responsive Design */
@media screen and (max-width: 1023px) {
  .hero .title {
    font-size: 2.5rem !important;
  }
  
  .hero .subtitle {
    font-size: 1.5rem !important;
  }
  
  .navbar-menu {
    position: absolute;
    width: 100%;
    box-shadow: 0 8px 16px rgba(10, 10, 10, 0.1);
  }
  
  .is-3d-element:hover {
    transform: translateY(-5px);
  }
}

@media screen and (max-width: 768px) {
  .hero .title {
    font-size: 2rem !important;
  }
  
  .hero .subtitle {
    font-size: 1.25rem !important;
  }
  
  .section {
    padding: 3rem 1rem;
  }
  
  .section.is-medium {
    padding: 4rem 1rem;
  }
  
  .column.is-one-third,
  .column.is-half {
    margin-bottom: 1.5rem;
  }
  
  .slider-item {
    flex: 0 0 100%;
  }
  
  .client-logos img {
    max-height: 50px;
  }
}

/* JavaScript-related classes */
.slider-item {
  display: none;
}

.slider-item.is-active {
  display: block;
}

.testimonial-item {
  display: none;
}

.testimonial-item.is-active {
  display: block;
}

.navbar-menu.is-active {
  display: block;
  position: absolute;
  width: 100%;
  left: 0;
  top: 4.5rem;
  box-shadow: 0 8px 16px rgba(10, 10, 10, 0.1);
}

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

.is-pulsing {
  animation: pulse 2s infinite;
}

/* Utility Classes */
.has-text-primary { color: var(--primary) !important; }
.has-text-secondary { color: var(--secondary) !important; }
.has-text-tertiary { color: var(--tertiary) !important; }
.has-background-primary-light { background-color: var(--primary-lighter) !important; }
.has-shadow { box-shadow: var(--box-shadow) !important; }
.is-clickable { cursor: pointer; }
.is-centered { text-align: center; }