/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ========================================
   Design Tokens - JLCPCB Inspired Theme
   ======================================== */

:root {
  /* Colors - Clean Modern Palette */
  --bs-primary: #0072FC;
  --bs-primary-rgb: 0, 114, 252;
  --bs-secondary: #696d71;
  --bs-secondary-rgb: 108, 117, 125;
  --bs-accent: #0059C9;
  --bs-accent-rgb: 0, 89, 201;
  
  /* Grays - Clean Neutral Tones */
  --bs-gray-100: #F8F9FA;
  --bs-gray-200: #E9ECEF;
  --bs-gray-300: #DEE2E6;
  --bs-gray-400: #CED4DA;
  --bs-gray-500: #ADB5BD;
  --bs-gray-600: #6C757D;
  --bs-gray-700: #495057;
  --bs-gray-800: #343A40;
  --bs-gray-900: #212529;
  --bs-black: #222222;
  --bs-white: #FFFFFF;
  
  /* Theme Color Variants */
  --bs-primary-text-emphasis: #004a99;
  --bs-primary-bg-subtle: #E6F2FF;
  --bs-primary-border-subtle: #99CCFF;
  
  --bs-secondary-text-emphasis: #3d4449;
  --bs-secondary-bg-subtle: #E9ECEF;
  --bs-secondary-border-subtle: #ADB5BD;
  
  /* Typography */
  --bs-font-sans-serif: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --bs-font-monospace: 'SF Mono', 'Menlo', 'Monaco', 'Courier New', monospace;
  --bs-body-font-family: var(--bs-font-sans-serif);
  --bs-body-font-size: 1rem;
  --bs-body-font-weight: 400;
  --bs-body-line-height: 1.6;
  --bs-body-color: var(--bs-black);
  --bs-body-bg: var(--bs-white);
  
  --bs-heading-color: var(--bs-black);
  --bs-emphasis-color: var(--bs-black);
  --bs-secondary-color: var(--bs-gray-700);
  --bs-tertiary-color: var(--bs-gray-600);
  
  --bs-link-color: var(--bs-primary);
  --bs-link-hover-color: var(--bs-accent);
  --bs-link-decoration: none;
  
  /* Borders */
  --bs-border-width: 1px;
  --bs-border-style: solid;
  --bs-border-color: var(--bs-gray-300);
  --bs-border-radius: 0.5rem;
  --bs-border-radius-sm: 0.25rem;
  --bs-border-radius-lg: 0.625rem;
  --bs-border-radius-xl: 0.75rem;
  --bs-border-radius-xxl: 1rem;
  
  /* Shadows */
  --bs-box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --bs-box-shadow-sm: 0 0.0625rem 0.125rem rgba(0, 0, 0, 0.05);
  --bs-box-shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  
  /* Custom Shadows */
  --shadow-soft: 0 2px 8px rgba(0, 114, 252, 0.08);
  --shadow-glow: 0 0 20px rgba(0, 114, 252, 0.2);
  
  /* Spacing */
  --section-padding: 5rem;
  --section-padding-sm: 3rem;
}

/* ========================================
   Typography Customization
   ======================================== */

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  color: var(--bs-heading-color);
  line-height: 1.3;
}

h1, .h1 { font-size: 3.5rem; }
h2, .h2 { font-size: 2.75rem; }
h3, .h3 { font-size: 2rem; }
h4, .h4 { font-size: 1.5rem; }
h5, .h5 { font-size: 1.25rem; }
h6, .h6 { font-size: 1.125rem; }

.display-1 { font-size: 5rem; font-weight: 700; }
.display-2 { font-size: 4.5rem; font-weight: 700; }
.display-3 { font-size: 4rem; font-weight: 700; }
.display-4 { font-size: 3.5rem; font-weight: 700; }

@media (max-width: 768px) {
  h1, .h1 { font-size: 2.5rem; }
  h2, .h2 { font-size: 2rem; }
  .display-1 { font-size: 3.5rem; }
  .display-2 { font-size: 3rem; }
  .display-3 { font-size: 2.75rem; }
  .display-4 { font-size: 2.5rem; }
}

/* ========================================
   Button Customization
   ======================================== */

.btn {
  --bs-btn-border-radius: 0.5rem;
  --bs-btn-padding-x: 1.5rem;
  --bs-btn-padding-y: 0.625rem;
  --bs-btn-font-weight: 500;
  font-family: 'Inter', sans-serif;
  transition: all 0.2s ease;
  letter-spacing: -0.01em;
}

.btn-lg {
  --bs-btn-padding-x: 2rem;
  --bs-btn-padding-y: 0.875rem;
  font-size: 1rem;
}

.btn-primary {
  --bs-btn-bg: var(--bs-primary);
  --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: var(--bs-accent);
  --bs-btn-hover-border-color: var(--bs-accent);
  --bs-btn-active-bg: #004a99;
  --bs-btn-active-border-color: #004a99;
}

.btn-secondary {
  --bs-btn-bg: var(--bs-secondary);
  --bs-btn-border-color: var(--bs-secondary);
  --bs-btn-hover-bg: #5a6268;
  --bs-btn-hover-border-color: #545b62;
}

.btn-outline-primary {
  --bs-btn-color: var(--bs-primary);
  --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: var(--bs-primary);
  --bs-btn-hover-border-color: var(--bs-primary);
}

/* ========================================
   Card Customization
   ======================================== */

.card {
  --bs-card-border-radius: 0.5rem;
  --bs-card-border-color: var(--bs-gray-300);
  border: 1px solid var(--bs-card-border-color);
  transition: all 0.2s ease;
  
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
  border-color: var(--bs-primary);
}

/* ========================================
   Custom Utilities
   ======================================== */

.text-primary-custom {
  color: var(--bs-primary) !important;
}

.text-secondary-custom {
  color: var(--bs-secondary) !important;
}

.text-accent {
  color: var(--bs-accent) !important;
}

.bg-primary-subtle-custom {
  background-color: var(--bs-primary-bg-subtle) !important;
}

.bg-secondary-subtle-custom {
  background-color: var(--bs-secondary-bg-subtle) !important;
}

.bg-gradient-primary {
  background: linear-gradient(135deg, #0072FC 0%, #0059C9 100%);
}

.bg-gradient-secondary {
  background: linear-gradient(135deg, var(--bs-secondary) 0%, #5a6268 100%);
}

.bg-mesh {
  background-color: var(--bs-gray-100);
  background-image: 
    repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(0, 114, 252, 0.02) 10px, rgba(0, 114, 252, 0.02) 20px),
    repeating-linear-gradient(-45deg, transparent, transparent 10px, rgba(0, 114, 252, 0.02) 10px, rgba(0, 114, 252, 0.02) 20px);
}

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

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

/* Icon Styling */
.icon-wrapper {
  width: 64px;
  height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  background: var(--bs-primary-bg-subtle);
  margin-bottom: 1.5rem;
}

.icon-wrapper img {
  width: 32px;
  height: 32px;
  filter: brightness(0) saturate(100%) invert(27%) sepia(100%) saturate(3166%) hue-rotate(202deg) brightness(99%) contrast(106%);
}

.icon-sm {
  width: 48px;
  height: 48px;
}

.icon-sm img {
  width: 24px;
  height: 24px;
}

/* Stat Number Styling */
.stat-number {
  font-family: 'Inter', sans-serif;
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--bs-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.bento-item {
  background: white;
  border-radius: 0.5rem;
  padding: 1.75rem;
  border: 1px solid var(--bs-gray-300);
  transition: all 0.2s ease;
}

.bento-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
  border-color: var(--bs-primary);
}

/* Feature Cards with Image Backgrounds */
.feature-image-card {
  position: relative;
  height: 400px;
  border-radius: 0.5rem;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}

.feature-image-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.7) 100%);
}

.feature-image-card .content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  color: white;
}

/* Glassmorphism Effect */
.glass-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 114, 252, 0.1);
  border-radius: 0.5rem;
  box-shadow: 0 4px 16px 0 rgba(0, 114, 252, 0.08);
}

/* Navbar Customization */
.navbar {
  --bs-navbar-padding-y: 1rem;
  transition: all 0.3s ease;
}

.navbar-brand {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
}

/* Accordion Customization */
.accordion-button {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
}

.accordion-button:not(.collapsed) {
  background-color: var(--bs-primary-bg-subtle);
  color: var(--bs-primary);
}

/* Badge Customization */
.badge {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  padding: 0.4rem 0.875rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
}

/* Form Customization */
.form-control,
.form-select {
  border-radius: 0.375rem;
  border: 1px solid var(--bs-gray-400);
  padding: 0.625rem 0.875rem;
  font-size: 0.9375rem;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--bs-primary);
  box-shadow: 0 0 0 0.2rem rgba(0, 114, 252, 0.15);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  :root {
    --section-padding: 3rem;
    --section-padding-sm: 2rem;
  }
  
  .feature-image-card {
    height: 300px;
  }
}