:root {
  --primary: #2A4365;
  --primary-dark: #1A202C;
  --accent: #38B2AC;
  --accent-hover: #2C7A7B;
  --bg-primary: #F7FAFC;
  --bg-secondary: #E6FFFA;
  --bg-card: #FFFFFF;
  --text-primary: #4A5568;
  --text-secondary: #718096;
  --border-color: #CBD5E0;
  --mint-cream: #E6FFFA;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --shadow-soft: 0 4px 20px rgba(42, 67, 101, 0.08);
  --shadow-medium: 0 8px 30px rgba(42, 67, 101, 0.12);
  --shadow-strong: 0 20px 40px rgba(42, 67, 101, 0.15);
  --gradient-mesh: linear-gradient(135deg, #E6FFFA 0%, #F7FAFC 25%, #E6FFFA 50%, #F7FAFC 75%, #E6FFFA 100%);
  --aurora-gradient: linear-gradient(45deg, rgba(42, 67, 101, 0.1), rgba(56, 178, 172, 0.1), rgba(42, 67, 101, 0.1));
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--primary);
  margin-bottom: 16px;
}

h1 {
  font-size: 44px;
  font-weight: 700;
}

h2 {
  font-size: 36px;
  font-weight: 600;
}

h3 {
  font-size: 28px;
  font-weight: 600;
}

h4 {
  font-size: 24px;
  font-weight: 500;
}

h5 {
  font-size: 20px;
  font-weight: 500;
}

h6 {
  font-size: 18px;
  font-weight: 500;
}

p {
  margin-bottom: 16px;
  color: var(--text-primary);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: all 0.3s ease;
}

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

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

ul, ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

li {
  margin-bottom: 8px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.section-small {
  padding: 40px 0;
}

.section-large {
  padding: 120px 0;
}

.grid {
  display: grid;
  gap: 32px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.flex-column {
  display: flex;
  flex-direction: column;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.bg-primary {
  background: var(--bg-primary);
}

.bg-secondary {
  background: var(--bg-secondary);
}

.bg-white {
  background: var(--bg-card);
}

.bg-gradient-mesh {
  background: var(--gradient-mesh);
  position: relative;
}

.bg-gradient-mesh::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--aurora-gradient);
  animation: aurora-flow 8s ease-in-out infinite;
}

@keyframes aurora-flow {
  0%, 100% { 
    background-position: 0% 50%; 
    filter: hue-rotate(0deg);
  }
  50% { 
    background-position: 100% 50%; 
    filter: hue-rotate(30deg);
  }
}

.fadeInUp {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fadeInUp.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-animation > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-animation > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-animation > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-animation > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-animation > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-animation > *:nth-child(6) { animation-delay: 0.6s; }

@media (max-width: 768px) {
  .container,
  .container-wide,
  .container-narrow {
    padding: 0 16px;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .grid {
    gap: 24px;
  }
  
  h1 {
    font-size: 32px;
  }
  
  h2 {
    font-size: 28px;
  }
  
  h3 {
    font-size: 24px;
  }
  
  body {
    font-size: 16px;
  }
}