/* Global Styles */
:root {
  /* Color Palette */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;
  
  --secondary-50: #f0fdfa;
  --secondary-100: #ccfbf1;
  --secondary-200: #99f6e4;
  --secondary-300: #5eead4;
  --secondary-400: #2dd4bf;
  --secondary-500: #14b8a6;
  --secondary-600: #0d9488;
  --secondary-700: #0f766e;
  --secondary-800: #115e59;
  --secondary-900: #134e4a;
  
  --accent-50: #fefce8;
  --accent-100: #fef9c3;
  --accent-200: #fef08a;
  --accent-300: #fde047;
  --accent-400: #facc15;
  --accent-500: #eab308;
  --accent-600: #ca8a04;
  --accent-700: #a16207;
  --accent-800: #854d0e;
  --accent-900: #713f12;
  
  --success-50: #f0fdf4;
  --success-100: #dcfce7;
  --success-200: #bbf7d0;
  --success-300: #86efac;
  --success-400: #4ade80;
  --success-500: #22c55e;
  --success-600: #16a34a;
  --success-700: #15803d;
  --success-800: #166534;
  --success-900: #14532d;
  
  --warning-50: #fff7ed;
  --warning-100: #ffedd5;
  --warning-200: #fed7aa;
  --warning-300: #fdba74;
  --warning-400: #fb923c;
  --warning-500: #f97316;
  --warning-600: #ea580c;
  --warning-700: #c2410c;
  --warning-800: #9a3412;
  --warning-900: #7c2d12;
  
  --danger-50: #fef2f2;
  --danger-100: #fee2e2;
  --danger-200: #fecaca;
  --danger-300: #fca5a5;
  --danger-400: #f87171;
  --danger-500: #ef4444;
  --danger-600: #dc2626;
  --danger-700: #b91c1c;
  --danger-800: #991b1b;
  --danger-900: #7f1d1d;
  
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Font settings */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing system (multiple of 8px) */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.5rem;   /* 24px */
  --space-6: 2rem;     /* 32px */
  --space-8: 3rem;     /* 48px */
  --space-10: 4rem;    /* 64px */
  --space-12: 5rem;    /* 80px */
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Box shadow */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Base styles */
html, body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--gray-800);
  background-color: var(--gray-100);
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--gray-900);
  margin-top: 0;
  margin-bottom: var(--space-4);
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2rem;
  font-weight: 600;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

p {
  margin-top: 0;
  margin-bottom: var(--space-4);
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-700);
  text-decoration: none;
}

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

.section-header {
  margin-bottom: var(--space-6);
}

/* Override Bootstrap styles */
.btn {
  font-weight: 500;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.btn-primary {
  background-color: var(--primary-600);
  border-color: var(--primary-600);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-700);
  border-color: var(--primary-700);
}

.btn-secondary {
  background-color: var(--secondary-600);
  border-color: var(--secondary-600);
}

.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--secondary-700);
  border-color: var(--secondary-700);
}

.btn-outline-secondary {
  color: var(--gray-700);
  border-color: var(--gray-300);
}

.btn-outline-secondary:hover, .btn-outline-secondary:focus {
  background-color: var(--gray-100);
  border-color: var(--gray-400);
  color: var(--gray-800);
}

.btn-success {
  background-color: var(--success-600);
  border-color: var(--success-600);
}

.btn-success:hover, .btn-success:focus {
  background-color: var(--success-700);
  border-color: var(--success-700);
}

.form-control, .form-select {
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-md);
  border-color: var(--gray-300);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.form-label {
  font-weight: 500;
  margin-bottom: 0.375rem;
  color: var(--gray-700);
}

.form-text {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.form-check-input:checked {
  background-color: var(--primary-600);
  border-color: var(--primary-600);
}

/* Logo */
.logo-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-md);
  background-color: var(--primary-600);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.logo-icon::before {
  content: "";
  position: absolute;
  width: 1.25rem;
  height: 0.75rem;
  border: 2px solid white;
  border-radius: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.logo-icon::after {
  content: "";
  position: absolute;
  width: 0.5rem;
  height: 0.5rem;
  background-color: white;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--gray-800);
}

/* Common icons */
.scholarship-icon, .support-icon, .research-icon,
.email-icon, .phone-icon, .location-icon,
.social-icon {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  background-color: var(--primary-100);
  border-radius: 50%;
  position: relative;
}

/* Responsive */
@media (max-width: 767.98px) {
  html, body {
    font-size: 14px;
  }
  
  .section-header {
    margin-bottom: var(--space-4);
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.3rem;
  }
}