/* ===== GLOBAL CSS STYLESHEET ===== */

/* CSS Custom Properties (Variables) */
:root {
  /* Colors */
  --primary: #0F4D92;
  --primary-md-light: #1162b8;
  --primary-light: #1f7de3;
  --primary-dark: #0d3a6f;
  --secondary: #f35711;
  --success: #01a709;
  --success-dark: #1d8522;
  --danger: #d9534f;
  --warning: #ffc107;
  --info: #17a2b8;
  
  --accent-green: #28913b;
  --accent-green-medium: #36a24a;
  --accent-green-light: #42a54a;
  --dark-bg: #072033;
  
  --text-primary: #333A42;
  --text-secondary: #666;
  --text-light: #d9eefc;
  
  --bg-light: #Fdfdfd;
  --bg-white: #ffffff;
  --border-color: #e0e0e0;
  
  /* Typography */
  --font-primary: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Courier New", Courier, monospace;
  --line-height-base: 1.4;
  --line-height-heading: 1.2;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.3);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
  
  /* Z-index */
  --z-dropdown: 101;
  --z-nav: 100;
  --z-modal: 1000;
  --z-tooltip: 1001;
}

/* ===== RESETS & BASE STYLES ===== */

/* Reset all elements */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: var(--line-height-base);
  color: var(--text-primary);
  background-color: var(--bg-white);
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */

h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-heading);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
}

/* ===== LINKS ===== */

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

a:hover {
  color: var(--primary-dark);
}

a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===== LISTS ===== */

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-sm);
}

/* ===== CODE & PREFORMATTED ===== */

code, kbd, samp {
  font-family: var(--font-mono);
  background-color: #f5f5f5;
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}

pre {
  background-color: #f5f5f5;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: var(--spacing-md);
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
}

/* ===== FORM ELEMENTS ===== */

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 77, 146, 0.1);
}

input[type="checkbox"], input[type="radio"] {
  cursor: pointer;
}

label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

/* ===== IMAGES & MEDIA ===== */

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

figure {
  margin-bottom: var(--spacing-lg);
}

figcaption {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
}

/* ===== TABLES ===== */

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-lg);
}

th, td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: #f9f9f9;
  font-weight: 600;
}

tr:hover {
  background-color: #f5f5f5;
}

/* ===== BLOCKQUOTES ===== */

blockquote {
  border-left: 4px solid var(--primary);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  color: var(--text-secondary);
  font-style: italic;
}

hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: var(--spacing-xl) 0;
}

/* ===== UTILITY CLASSES ===== */

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

.text-muted { color: var(--text-secondary); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

.bg-light { background-color: var(--bg-light); }
.bg-white { background-color: var(--bg-white); }
.bg-primary { background-color: var(--primary); color: white; }
.bg-primary1 { background-color: var(--primary); color: white; }
.bg-success { background-color: var(--success); color: white; }
.bg-danger { background-color: var(--danger); color: white; }

.m-0 { margin: 0; }
.m-1 { margin: var(--spacing-md); }
.m-2 { margin: var(--spacing-lg); }

.mt-1 { margin-top: var(--spacing-md); }
.mb-1 { margin-bottom: var(--spacing-md); }
.ml-1 { margin-left: var(--spacing-md); }
.mr-1 { margin-right: var(--spacing-md); }

.p-1 { padding: var(--spacing-md); }
.p-2 { padding: var(--spacing-lg); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

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

.grid { display: grid; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.hidden { display: none !important; }
.invisible { visibility: hidden; }