@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
  --color-primary: #2C7DA0;
  --color-secondary: #EFF7F6;
  --color-accent: #FFB74D;
  --color-text: #2D3748;
  --color-text-light: #718096;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7FAFC;
  --font-sans-sc: 'Noto Sans SC', sans-serif;
  --font-sans: 'Inter', sans-serif;
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans-sc), var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1rem;
  color: var(--color-text-light);
}

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

a:hover {
  opacity: 0.8;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition-base);
  display: inline-block;
}

.btn-primary:hover {
  background-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(44, 125, 160, 0.3);
}

.card-hover {
  transition: var(--transition-base);
}

.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.section-padding {
  padding: 5rem 0;
}

.hero-overlay {
  position: relative;
  overflow: hidden;
}

.hero-overlay::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(44, 125, 160, 0.1) 0%, rgba(239, 247, 246, 0.3) 100%);
  z-index: 1;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: white;
  border-radius: 1rem;
  max-width: 600px;
  width: 90%;
  padding: 2rem;
  position: relative;
  animation: slideUp 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

input, textarea {
  font-family: var(--font-sans-sc), var(--font-sans);
}

@media (max-width: 768px) {
  .section-padding {
    padding: 3rem 0;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
}