:root {
  /* Colors */
  --brand-primary: #335cc4;
  --brand-dark: #1e3a8a;
  --brand-light: #dbeafe;
  --brand-light-text: #FFFFFF;
  --brand-accent: #059669;
  --accent: #059669;
  --neutral: #6b7280;
  --white: #FFFFFF;
  --gray-light: #E5E7EB;
  --gray-medium: #9CA3AF;
  --gray-dark: #374151;
  --success: #10B981;
  --error: #EF4444;
  --warning: #F59E0B;
  --info: #3B82F6;
  /* Typography */
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  /* Spacing */
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;
  /* Border Radius */
  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 12px;
  --radius-full: 9999px;
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.15);
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
}

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

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--gray-dark);
  background-color: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-16);
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-16);
}

.section {
  padding: var(--space-64) 0;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-light);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  height: 64px;
  display: flex;
  align-items: center;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: var(--brand-primary);
  text-decoration: none;
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: var(--space-32);
}

.navbar-nav a {
  font-family: var(--font-body);
  color: var(--gray-dark);
  text-decoration: none;
  transition: var(--transition-fast);
}

.navbar-nav a:hover {
  color: var(--brand-primary);
}

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--gray-dark);
  cursor: pointer;
}

/* Hero Section */
.hero {
  background: var(--brand-primary);
  color: var(--white);
  text-align: center;
  padding: var(--space-64) 0;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 700;
  line-height: 56px;
  margin-bottom: var(--space-8);
}

.hero-underline {
  width: 32px;
  height: 4px;
  background: var(--accent);
  margin: 0 auto var(--space-8);
}

.hero p {
  font-size: 18px;
  line-height: 28px;
  margin-bottom: var(--space-32);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: var(--space-16);
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  padding: var(--space-12) var(--space-24);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: var(--transition-fast);
  text-align: center;
}

.btn-primary {
  background: var(--brand-primary);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-secondary {
  background: var(--accent);
  color: var(--white);
}

.btn-secondary:hover {
  background: #047857;
}

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

.btn-outline:hover {
  background: var(--brand-primary);
  color: var(--white);
}

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

.btn-outline-white:hover {
  background: var(--white);
  color: var(--brand-primary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--gray-dark);
}

h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 56px;
  margin-bottom: var(--space-24);
}

h2 {
  font-size: 36px;
  font-weight: 700;
  line-height: 44px;
  margin-bottom: var(--space-16);
}

h3 {
  font-size: 28px;
  font-weight: 600;
  line-height: 36px;
  margin-bottom: var(--space-12);
}

h4 {
  font-size: 22px;
  font-weight: 600;
  line-height: 28px;
  margin-bottom: var(--space-8);
}

h5 {
  font-size: 18px;
  font-weight: 500;
  line-height: 24px;
  margin-bottom: var(--space-8);
}

p {
  font-size: 16px;
  line-height: 24px;
  margin-bottom: var(--space-8);
}

.text-small {
  font-size: 14px;
  line-height: 20px;
}

/* Links */
a {
  color: var(--brand-primary);
  transition: var(--transition-fast);
}

a:hover {
  color: var(--brand-dark);
  /* text-decoration: underline; */
}


/* Prevent underline on button-styled links */
  a.btn,
  a.btn-primary,
  a.btn-secondary,
  a.btn-outline,
  a.btn-outline-white,
  a[class*="btn-"]:not([class*="btn-text"]) {
    text-decoration: none !important;
  }

  a.btn:hover,
  a.btn-primary:hover,
  a.btn-secondary:hover,
  a.btn-outline:hover,
  a.btn-outline-white:hover,
  a[class*="btn-"]:not([class*="btn-text"]):hover {
    text-decoration: none !important;
  }


/* Cards */
.cards-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-24);
  justify-content: center;
}

.card {
  flex: 0 1 calc(33.333% - 16px);
  min-width: 300px;
  max-width: 400px;
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-md);
  transition: var(--transition-fast);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.cards-grid-4 .card {
  flex: 0 1 calc(25% - 18px);
  min-width: 260px;
  max-width: 320px;
}

.card-image {
  width: 100%;
  height: 200px;
  background: var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--brand-primary);
}

.card-content {
  padding: var(--space-24);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--space-8);
  color: var(--gray-dark);
}

.card-text {
  font-family: var(--font-body);
  color: var(--neutral);
  margin-bottom: var(--space-16);
}

.card-footer {
  padding: 0 var(--space-24) var(--space-24);
}

/* Icon Cards */
.icon-card {
  text-align: center;
  padding: var(--space-32);
}

.icon-circle {
  width: 80px;
  height: 80px;
  background: var(--brand-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-16);
  font-size: 32px;
  color: var(--brand-primary);
}

/* Forms */
.form-group {
  margin-bottom: var(--space-16);
}

.form-label {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--space-8);
  display: block;
  color: var(--gray-dark);
}

.form-control {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 20px;
  padding: var(--space-12);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-small);
  width: 100%;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border: 2px solid var(--brand-primary);
  box-shadow: 0 0 0 2px rgba(51, 92, 196, 0.2);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 8px center;
  background-repeat: no-repeat;
  background-size: 16px 12px;
  padding-right: 40px;
}

/* Tabs */
.tabs {
  border-bottom: 1px solid var(--gray-light);
  margin-bottom: var(--space-24);
}

.tab-nav {
  display: flex;
  list-style: none;
  gap: var(--space-32);
}

.tab-nav button {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 500;
  background: none;
  border: none;
  padding: var(--space-12) 0;
  cursor: pointer;
  color: var(--neutral);
  border-bottom: 2px solid transparent;
  transition: var(--transition-fast);
}

.tab-nav button.active {
  color: var(--brand-primary);
  border-bottom-color: var(--brand-primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Accordion */
.accordion-item {
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-medium);
  margin-bottom: var(--space-8);
  overflow: hidden;
}

.accordion-header {
  background: var(--white);
  border: none;
  width: 100%;
  padding: var(--space-16);
  text-align: left;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-fast);
}

.accordion-header:hover {
  background: var(--brand-light);
}

.accordion-content {
  padding: 0 var(--space-16);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-fast);
}

.accordion-content.active {
  max-height: 200px;
  padding: var(--space-16);
}

/* Footer */
.footer {
  background: var(--brand-dark);
  color: var(--white);
  padding: var(--space-48) 0 var(--space-24);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-32);
  margin-bottom: var(--space-32);
}

.footer h5 {
  color: var(--white);
  margin-bottom: var(--space-16);
}

.footer a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
}

.footer a:hover {
  color: var(--white);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--space-24);
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

/* Responsive */
@media (max-width: 991px) {
  .card {
    flex: 0 1 calc(50% - 12px);
  }
  
  .cards-grid-4 .card {
    flex: 0 1 calc(50% - 12px);
  }
  
  .hero h1 {
    font-size: 36px;
    line-height: 44px;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 767px) {
  .navbar-nav {
    display: none;
  }
  
  .navbar-toggle {
    display: block;
  }
  
  .card {
    flex: 0 1 100%;
  }
  
  .cards-grid-4 .card {
    flex: 0 1 100%;
  }
  
  .hero h1 {
    font-size: 32px;
    line-height: 40px;
  }
  
  .tab-nav {
    flex-wrap: wrap;
    gap: var(--space-16);
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-8); }
.mb-2 { margin-bottom: var(--space-16); }
.mb-3 { margin-bottom: var(--space-24); }
.mb-4 { margin-bottom: var(--space-32); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-8); }
.mt-2 { margin-top: var(--space-16); }
.mt-3 { margin-top: var(--space-24); }
.mt-4 { margin-top: var(--space-32); }