:root {
  --color-bg-dark: #0F2027;
  --color-bg-sea: #203A43;
  --color-accent: #2C5364;
  --color-light: #F0F4F8;
  --color-icon: #4A6572;
  
  --font-primary: 'Inter', sans-serif;
  --font-secondary: 'Space Grotesk', sans-serif;
  
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  
  --shadow-sm: 0 1px 2px rgba(15, 32, 39, 0.1);
  --shadow-md: 0 4px 6px rgba(15, 32, 39, 0.15);
  --shadow-lg: 0 10px 15px rgba(15, 32, 39, 0.2);
  
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-bg-dark);
  background-color: var(--color-light);
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-md);
  color: var(--color-bg-dark);
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

h4 {
  font-size: 1.125rem;
}

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

a:hover {
  color: var(--color-bg-sea);
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.header {
  background-color: var(--color-bg-dark);
  padding: var(--space-md) 0;
  position: relative;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-light);
  font-family: var(--font-secondary);
  font-size: 1.125rem;
  font-weight: 600;
}

.logo img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 10px;
}

.logo:hover {
  color: var(--color-light);
  opacity: 0.9;
}

.logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-light);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav-menu {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
  align-items: center;
}

.nav-menu a {
  color: var(--color-light);
  font-size: 0.875rem;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-menu a:hover {
  background-color: var(--color-bg-sea);
  color: var(--color-light);
}

.hero {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-sea) 100%);
  color: var(--color-light);
  padding: var(--space-2xl) var(--space-md);
  text-align: center;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  max-width: 800px;
}

.hero h1 {
  color: var(--color-light);
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.hero p {
  font-size: 1.125rem;
  opacity: 0.95;
}

.section {
  padding: var(--space-2xl) var(--space-md);
}

.section-alt {
  background-color: var(--color-light);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.card {
  background-color: white;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-title {
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.card-icon {
  color: var(--color-icon);
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-accent);
  color: var(--color-light);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn:hover {
  background-color: var(--color-bg-sea);
  color: var(--color-light);
}

.btn-block {
  display: block;
  width: 100%;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  color: var(--color-bg-dark);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--color-icon);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(44, 83, 100, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.form-checkbox input {
  margin-top: 0.125rem;
}

.map-container {
  width: 100%;
  height: 300px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: var(--space-md);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.footer {
  background-color: var(--color-bg-dark);
  color: var(--color-light);
  padding: var(--space-xl) var(--space-md);
  margin-top: var(--space-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-section h4 {
  color: var(--color-light);
  margin-bottom: var(--space-sm);
}

.footer-links {
  list-style: none;
}

.footer-links a {
  color: var(--color-light);
  opacity: 0.8;
  display: block;
  padding: var(--space-xs) 0;
  font-size: 0.8125rem;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-bg-sea);
  font-size: 0.8125rem;
  opacity: 0.7;
}

.privacy-popup {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-bg-dark);
  color: var(--color-light);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.privacy-popup.show {
  transform: translateY(0);
}

.privacy-popup-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.privacy-popup-text {
  flex: 1;
  min-width: 250px;
  font-size: 0.8125rem;
}

.privacy-popup-actions {
  display: flex;
  gap: var(--space-sm);
}

.error-page {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-page h1 {
  font-size: 4rem;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.section-image-left,
.section-image-right {
  padding: var(--space-2xl) var(--space-md);
}

.image-text-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.image-text-reverse {
  direction: rtl;
}

.image-text-reverse > * {
  direction: ltr;
}

.image-text-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.section-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.image-text-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.image-text-content .section-title {
  text-align: left;
  margin-bottom: var(--space-md);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.feature-item {
  display: flex;
  align-items: center;
  font-size: 0.875rem;
}

.section-features {
  background: linear-gradient(135deg, var(--color-light) 0%, #E8F0F5 100%);
  padding: var(--space-2xl) var(--space-md);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.feature-card {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition);
  border-top: 4px solid var(--color-accent);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-bg-sea) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}

.feature-card-icon i {
  font-size: 1.75rem;
  color: var(--color-light);
}

.feature-card-title {
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--color-bg-dark);
  opacity: 0.9;
}

.section-benefits {
  background-color: var(--color-light);
}

.benefits-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.benefit-item {
  position: relative;
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border-left: 4px solid var(--color-accent);
}

.benefit-item:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-lg);
}

.benefit-number {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  font-size: 3rem;
  font-weight: 600;
  color: var(--color-accent);
  opacity: 0.15;
  font-family: var(--font-secondary);
  line-height: 1;
}

.benefit-title {
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
  padding-right: 60px;
}

.benefit-item p {
  font-size: 0.875rem;
  color: var(--color-bg-dark);
  opacity: 0.9;
}

.section-team {
  background: linear-gradient(135deg, #F5F9FC 0%, var(--color-light) 100%);
  padding: var(--space-2xl) var(--space-md);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.team-card {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.team-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-bg-sea) 100%);
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.team-card-header {
  margin-bottom: var(--space-md);
}

.team-icon {
  font-size: 3rem;
  color: var(--color-accent);
  opacity: 0.8;
}

.team-card-title {
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.team-card p {
  font-size: 0.875rem;
  color: var(--color-bg-dark);
  opacity: 0.9;
}

.section-learning-path {
  background: linear-gradient(135deg, var(--color-light) 0%, #E8F0F5 100%);
  padding: var(--space-2xl) var(--space-md);
}

.learning-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  position: relative;
}

.learning-steps::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-bg-sea) 100%);
  z-index: 0;
}

.learning-step {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 60px;
  height: 60px;
  min-width: 60px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-bg-sea) 100%);
  color: var(--color-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 600;
  font-family: var(--font-secondary);
  box-shadow: var(--shadow-md);
}

.step-content {
  flex: 1;
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.learning-step:hover .step-content {
  transform: translateX(5px);
  box-shadow: var(--shadow-lg);
}

.step-title {
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.step-content p {
  font-size: 0.875rem;
  color: var(--color-bg-dark);
  opacity: 0.9;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  
  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-bg-sea);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .hero h1 {
    font-size: 1.75rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .two-column {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.375rem;
  }
  
  .privacy-popup-content {
    flex-direction: column;
    text-align: center;
  }
  
  .privacy-popup-actions {
    width: 100%;
    justify-content: center;
  }
  
  .privacy-popup-actions .btn {
    flex: 1;
  }
  
  .image-text-wrapper {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .image-text-reverse {
    direction: ltr;
  }
  
  .image-text-content .section-title {
    text-align: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .benefits-container {
    grid-template-columns: 1fr;
  }
  
  .team-grid {
    grid-template-columns: 1fr;
  }
  
  .learning-steps::before {
    left: 30px;
  }
  li{
    list-style: none;
  }
  .step-number {
    width: 50px;
    height: 50px;
    min-width: 50px;
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .benefits-container{
    display: flex;
    flex-direction: column;
  }
  .logo{
    font-size: 1rem;
  }
  body {
    font-size: 0.8125rem;
  }
  
  .hero {
    min-height: 300px;
    padding: var(--space-xl) var(--space-md);
  }
  
  .hero h1 {
    font-size: 1.5rem;
  }
  
  .section {
    padding: var(--space-xl) var(--space-md);
  }
  
  .card {
    padding: var(--space-md);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .error-page h1 {
    font-size: 3rem;
  }
}

@media (max-width: 320px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .hero h1 {
    font-size: 1.25rem;
  }
  
  h1 {
    font-size: 1.5rem;
  }
  
  h2 {
    font-size: 1.25rem;
  }
  
  .card {
    padding: var(--space-sm);
  }
}