:root {
  --primary-color: #2563eb;
  --secondary-color: #1d4ed8;
  --dark-bg: #121212;
  --light-bg: #f8fafc;
  --card-bg-dark: #1e1e1e;
  --card-bg-light: #ffffff;
  --text-primary-dark: #ffffff;
  --text-secondary-dark: #b0b0b0;
  --text-primary-light: #1e293b;
  --text-secondary-light: #64748b;
  --gradient-start: #2563eb;
  --gradient-end: #1d4ed8;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-dark: 0 4px 6px rgba(0, 0, 0, 0.3);
  --border-color-dark: rgba(255, 255, 255, 0.1);
  --border-color-light: rgba(0, 0, 0, 0.1);
  --radius: 8px;
  --transition: all 0.3s ease;
  --header-height: 80px;
}

/* Light mode variables */
[data-theme="light"] {
  --background-color: var(--light-bg);
  --text-primary: var(--text-primary-light);
  --text-secondary: var(--text-secondary-light);
  --card-bg: var(--card-bg-light);
  --border-color: var(--border-color-light);
  --shadow: var(--shadow);
}

/* Dark mode variables */
[data-theme="dark"] {
  --background-color: var(--dark-bg);
  --text-primary: var(--text-primary-dark);
  --text-secondary: var(--text-secondary-dark);
  --card-bg: var(--card-bg-dark);
  --border-color: var(--border-color-dark);
  --shadow: var(--shadow-dark);
}

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

body {
  font-family: "Inter", sans-serif;
  background-color: var(--background-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

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

section {
  padding: 80px 0;
}

section h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 40px;
  position: relative;
  color: var(--primary-color);
}

section h2::after {
  content: "";
  display: block;
  width: 50px;
  height: 3px;
  background-color: var(--primary-color);
  margin: 15px auto 0;
}

.section-description {
  text-align: center;
  max-width: 700px;
  margin: -20px auto 30px;
  color: var(--text-secondary);
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  margin-right: 15px;
  margin-bottom: 15px;
  transition: var(--transition);
  box-shadow: var(--shadow);
  border: none;
  cursor: pointer;
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Common responsive styles */
@media (max-width: 576px) {
  section h2 {
    font-size: 1.8rem;
  }

  .btn {
    display: block;
    width: 100%;
    margin-right: 0;
    text-align: center;
  }
}

/* Responsive for Homepage */
@media (max-width: 992px) {
  .hero-content {
    flex-direction: column;
    text-align: center;
  }

  .hero-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .hero h1 {
    font-size: 48px;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 36px;
  }

  .stats-container {
    flex-wrap: wrap;
  }

  .stat-item {
    width: 50%;
    margin-bottom: 20px;
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 28px;
  }

  .hero p {
    font-size: 1rem;
  }

  .stat-item {
    width: 100%;
  }
}