/* Global CSS Variables */
:root {
  /* Color Scheme */
  --primary-color: #2C3E50;     /* Deep blue-gray */
  --secondary-color: #34495E;   /* Lighter blue-gray */
  --accent-color: #E67E22;      /* Warm orange for contrast */
  --text-primary: #71a2d4;      /* Matching text color */
  --text-secondary: #7F8C8D;    /* Muted gray */
  --text-light: #FFFFFF;        /* White */
  --background-light: #FFFFFF;  /* Clean white */
  --background-off-white: #ECF0F1; /* Soft blue-tinted white */
  --background-dark: #2C3E50;   /* Deep blue-gray */
  
  /* Shadows */
  --shadow-sm: 0 2px 5px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 15px rgba(0,0,0,0.2);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
  
  /* Typography */
  --font-primary: Arial, sans-serif;
  --font-size-sm: clamp(0.75rem, 2vw, 0.875rem);
  --font-size-base: clamp(1rem, 2.5vw, 1rem);
  --font-size-lg: clamp(1.125rem, 3vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 3.5vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 4vw, 2rem);
  --font-size-3xl: clamp(2rem, 5vw, 3rem);
  
  /* Border Radius */
  --border-radius-sm: 3px;
  --border-radius-md: 5px;
  --border-radius-lg: 10px;
  
  /* Transitions */
  --transition-base: all 0.3s ease;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}


body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--text-primary);
}

/* Container */
.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  text-decoration: none;
  transition: var(--transition-base);
  font-weight: bold;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--text-light);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: var(--text-light);
}

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

/* Accessibility */
a:focus,
button:focus,
.nav-links a:focus {
  outline: 3px solid var(--secondary-color);
  outline-offset: 3px;
  box-shadow: 0 0 5px var(--secondary-color);
}

/* Cards */
.card {
  background: var(--background-light);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

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

/* Section Spacing */
section {
  padding: var(--spacing-xl) 0;
}

/* Responsive Spacing Adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
  :root {
    --spacing-xl: 3rem;
    --spacing-lg: 1.5rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.75rem;
    --font-size-3xl: 2.5rem;
  }

  .container {
    width: 95%;
  }

  .card {
    padding: var(--spacing-md);
  }
}

@media (min-width: 1025px) {
  :root {
    --spacing-xl: 4rem;
    --spacing-lg: 2rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
  }

  .container {
    width: 90%;
  }

  .card {
    padding: var(--spacing-lg);
  }
}

/* Media Queries */
@media (max-width: 768px) {
  :root {
    --spacing-xl: 2rem;
  }
  
  .container {
    width: 95%;
  }
}