/* ============================================
   Bulletproof Actuators - Custom Styles
   Industrial Theme with Bootstrap 5
   ============================================ */

/* CSS Custom Properties (Variables)
   ========================================== */
:root {
  /* Brand Colors - Industrial Theme */
  --color-charcoal: #2B2D42;
  --color-industrial-blue: #0077B6;
  --color-steel-gray: #495057;
  --color-safety-orange: #FF6B35;
  --color-success-green: #06A77D;
  --color-warning-amber: #F2A65A;
  
  /* Neutral Colors */
  --color-off-white: #F8F9FA;
  --color-light-gray: #E9ECEF;
  --color-white: #FFFFFF;
  --color-border: #DEE2E6;
  
  /* Typography */
  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-base: 1.6;
  
  /* Spacing (8px baseline grid) */
  --spacing-xs: 0.5rem;   /* 8px */
  --spacing-sm: 1rem;     /* 16px */
  --spacing-md: 1.5rem;   /* 24px */
  --spacing-lg: 2rem;     /* 32px */
  --spacing-xl: 3rem;     /* 48px */
  --spacing-xxl: 4rem;    /* 64px */
  
  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-base: 0.25s ease-in-out;
  --transition-slow: 0.35s ease-in-out;
  
  /* Layout */
  --max-width-container: 1200px;
  --header-height: 70px;
}

/* Base Styles & Typography
   ========================================== */
html {
  font-size: 14px;
  position: relative;
  min-height: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  font-family: var(--font-family-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-base);
  color: var(--color-charcoal);
  background-color: var(--color-off-white);
  margin-bottom: 60px;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  color: var(--color-charcoal);
  letter-spacing: 0.01em;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; line-height: 1.2; }
h2 { font-size: 2rem; line-height: 1.3; }
h3 { font-size: 1.75rem; line-height: 1.3; }
h4 { font-size: 1.5rem; line-height: 1.4; font-weight: var(--font-weight-semibold); }
h5 { font-size: 1.25rem; line-height: 1.4; font-weight: var(--font-weight-semibold); }
h6 { font-size: 1rem; line-height: 1.5; font-weight: var(--font-weight-semibold); }

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

a {
  color: var(--color-industrial-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #005a8c;
  text-decoration: underline;
}

/* Layout Components
   ========================================== */

/* Header / Navigation */
.site-header {
  background-color: var(--color-white);
  padding: 40px 0 0;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-charcoal) !important;
  letter-spacing: 0.02em;
}

.navbar-brand:hover {
  color: var(--color-industrial-blue) !important;
}

/* Navigation bar - dark background like reference site */
.navbar {
  background-color: #292929 !important;
  border: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  margin-bottom: 0;
  border-radius: 8px;
}

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.3);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.nav-link {
  color: #ffffff !important;
  font-weight: var(--font-weight-semibold);
  font-size: 20px;
  text-transform: uppercase;
  padding: 0px 20px 0px !important;
  margin: 0;
  transition: color var(--transition-base);
  text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-industrial-blue) !important;
  text-decoration: none;
}

/* Footer */
.site-footer {
  background-color: var(--color-charcoal);
  color: var(--color-light-gray);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  margin-top: var(--spacing-xxl);
}

.site-footer h5 {
  color: var(--color-white);
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
}

.site-footer a {
  color: var(--color-light-gray);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer a:hover {
  color: var(--color-white);
  text-decoration: none;
}

.site-footer ul {
  list-style: none;
  padding: 0;
}

.site-footer ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-brand {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-lg);
  text-align: center;
  font-size: 0.875rem;
}

.footer-dcc-logo {
  max-width: 200px;
  height: auto;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.footer-dcc-logo:hover {
  opacity: 1;
}

/* Buttons
   ========================================== */
.btn {
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-sm);
  text-decoration: none; /* ensure buttons don't show underline on hover */
  padding: 0.625rem 1.25rem;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-industrial-blue);
  border-color: var(--color-industrial-blue);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: #005a8c;
  border-color: #005a8c;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-steel-gray);
  border-color: var(--color-steel-gray);
  color: var(--color-white);
}

.btn-secondary:hover {
  background-color: #3a3f44;
  border-color: #3a3f44;
}

.btn-danger,
.btn-warning {
  background-color: var(--color-safety-orange);
  border-color: var(--color-safety-orange);
  color: var(--color-white);
}

.btn-danger:hover,
.btn-warning:hover {
  background-color: #e55a28;
  border-color: #e55a28;
}

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

/* Home Page Hero Button Override */
.btn-home-hero {
  border-color: var(--color-white) !important;
}

.btn-home-hero:hover {
  border-color: var(--color-white) !important;
  color: var(--color-white);
}

.btn-success:hover {
  background-color: #058968;
  border-color: #058968;
}

.btn-outline-primary {
  color: var(--color-industrial-blue);
  border-color: var(--color-industrial-blue);
  background-color: transparent;
}

.btn-outline-primary:hover {
  background-color: var(--color-industrial-blue);
  color: var(--color-white);
  text-decoration: none; /* buttons should not underline on hover */
}

/* Explicitly prevent anchor-btns from underlining during hover/focus */
.btn:hover,
.btn:focus {
  text-decoration: none;
}

/* Cards
   ========================================== */
.card {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-sm);
  background-color: var(--color-white);
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  background-color: var(--color-off-white);
  border-bottom: 1px solid var(--color-border);
  font-weight: var(--font-weight-semibold);
  padding: var(--spacing-sm) var(--spacing-md);
}

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

.card-footer {
  background-color: var(--color-off-white);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-sm) var(--spacing-md);
}

/* Forms
   ========================================== */
.form-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-charcoal);
  margin-bottom: var(--spacing-xs);
}

.form-control,
.form-select {
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 0.625rem 0.75rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--color-industrial-blue);
  box-shadow: 0 0 0 0.2rem rgba(0, 119, 182, 0.15);
}

.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--color-safety-orange);
}

.invalid-feedback {
  color: var(--color-safety-orange);
}

/* Tables
   ========================================== */
.table {
  background-color: var(--color-white);
}

.table thead th {
  background-color: var(--color-off-white);
  color: var(--color-charcoal);
  font-weight: var(--font-weight-semibold);
  border-bottom: 2px solid var(--color-border);
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(248, 249, 250, 0.5);
}

.table-hover tbody tr:hover {
  background-color: rgba(0, 119, 182, 0.05);
}

/* Badges
   ========================================== */
.badge {
  font-weight: var(--font-weight-medium);
  padding: 0.375rem 0.75rem;
  border-radius: var(--border-radius-sm);
}

.badge-primary {
  background-color: var(--color-industrial-blue);
}

.badge-success {
  background-color: var(--color-success-green);
}

.badge-warning {
  background-color: var(--color-warning-amber);
}

.badge-danger {
  background-color: var(--color-safety-orange);
}

/* Alerts
   ========================================== */
.alert {
  border: none;
  border-left: 4px solid;
  border-radius: var(--border-radius-sm);
}

.alert-success {
  background-color: rgba(6, 167, 125, 0.1);
  border-left-color: var(--color-success-green);
  color: #045d4a;
}

.alert-warning {
  background-color: rgba(242, 166, 90, 0.1);
  border-left-color: var(--color-warning-amber);
  color: #8b5e2f;
}

.alert-danger {
  background-color: rgba(255, 107, 53, 0.1);
  border-left-color: var(--color-safety-orange);
  color: #a03419;
}

.alert-info {
  background-color: rgba(0, 119, 182, 0.1);
  border-left-color: var(--color-industrial-blue);
  color: #004a73;
}

/* Utility Classes
   ========================================== */
.text-industrial {
  color: var(--color-industrial-blue);
}

.bg-industrial {
  background-color: var(--color-industrial-blue);
  color: var(--color-white);
}

.text-charcoal {
  color: var(--color-charcoal);
}

.bg-off-white {
  background-color: var(--color-off-white);
}

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

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

/* Focus Styles (Accessibility) */
.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(0, 119, 182, 0.25);
  outline: none;
}

/* Responsive Utilities
   ========================================== */
@media (max-width: 767.98px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
  
  .section-padding {
    padding: var(--spacing-lg) 0;
  }
  
  .section-padding-lg {
    padding: var(--spacing-xl) 0;
  }
}

/* Page-Specific Styles
   ========================================== */

/* Home Page */
.hero-section {
  background: linear-gradient(135deg, var(--color-industrial-blue) 0%, #005a8c 100%);
}

.hero-section h1,
.hero-section .lead {
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Utility helpers for layouts used across pages */
.hero-row {
  min-height: 400px; /* keeps layout consistent with original design */
}

.product-image-center {
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-image-large {
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-image-sm {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.input-qty {
  max-width: 120px;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.product-card {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-image-placeholder {
  background-color: var(--color-light-gray);
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-steel-gray);
  font-size: 1.25rem;
  border-radius: var(--border-radius-sm);
}

.product-price {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-industrial-blue);
}

/* Cart Page */
.cart-item {
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
}

.cart-item:last-child {
  border-bottom: none;
}

.cart-summary {
  background-color: var(--color-off-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  position: sticky;
  top: calc(var(--header-height) + 20px);
}

/* Checkout Page */
.checkout-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.checkout-step {
  flex: 1;
  text-align: center;
  position: relative;
  padding: var(--spacing-sm);
}

.checkout-step::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 50%;
  width: 100%;
  height: 2px;
  background-color: var(--color-border);
  z-index: -1;
}

.checkout-step:first-child::before {
  display: none;
}

.checkout-step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-light-gray);
  color: var(--color-steel-gray);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
}

.checkout-step.active .checkout-step-number {
  background-color: var(--color-industrial-blue);
  color: var(--color-white);
}

.checkout-step.completed .checkout-step-number {
  background-color: var(--color-success-green);
  color: var(--color-white);
}

/* Admin Pages */
.admin-header {
  background-color: var(--color-off-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-lg);
}

.status-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
}

.status-pending {
  background-color: rgba(242, 166, 90, 0.2);
  color: #8b5e2f;
}

.status-paid {
  background-color: rgba(6, 167, 125, 0.2);
  color: #045d4a;
}

.status-shipped {
  background-color: rgba(0, 119, 182, 0.2);
  color: #004a73;
}