/* DraftCare Canada - Design System Styles */

/* ========================================
   Design Tokens & CSS Variables
   ======================================== */

:root {
  /* Colors */
  --color-pine: #2E5C4E;
  --color-snow: #F6FAFD;
  --color-glacier: #DDE8F2;
  --color-ink: #1E2B35;
  --color-steel: #8292A3;
  --color-success: #28A745;
  --color-warning: #FFC107;
  --color-error: #DC3545;
  
  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-xs: 12px;
  --font-sm: 14px;
  --font-base: 16px;
  --font-lg: 18px;
  --font-xl: 24px;
  --font-2xl: 32px;
  --font-3xl: 48px;
  
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.6;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 48px;
  --space-4xl: 64px;
  --space-5xl: 96px;
  
  /* Border Radius */
  --radius-none: 0px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Shadows */
  --shadow-hairline: 0 0 0 1px rgba(30, 43, 53, 0.08);
  --shadow-sm: 0 1px 2px rgba(30, 43, 53, 0.06);
  --shadow-card: 0 2px 8px rgba(30, 43, 53, 0.08);
  --shadow-card-hover: 0 4px 16px rgba(46, 92, 78, 0.12);
  --shadow-focus: 0 0 0 3px var(--color-pine), 0 0 0 6px var(--color-glacier);
  
  /* Animation */
  --duration-fast: 200ms;
  --duration-normal: 250ms;
  --duration-slow: 300ms;
  --easing-default: ease-out;
  --easing-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* High Contrast Mode Variables */
body.high-contrast {
  --color-steel: var(--color-ink);
  --color-pine: #1F3D34;
  --weight-regular: 700;
  --shadow-hairline: 0 0 0 2px rgba(30, 43, 53, 0.12);
}

/* ========================================
   Base Styles
   ======================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-base);
  font-weight: var(--weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-ink);
  background-color: var(--color-snow);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-pine);
  text-decoration: none;
  transition: color var(--duration-normal) var(--easing-default);
}

a:hover {
  color: var(--color-ink);
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-ink);
}

h1 {
  font-size: var(--font-3xl);
}

h2 {
  font-size: var(--font-2xl);
}

h3 {
  font-size: var(--font-xl);
}

h4 {
  font-size: var(--font-lg);
}

p {
  margin-bottom: var(--space-lg);
}

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

.text-sm {
  font-size: var(--font-sm);
}

.text-xs {
  font-size: var(--font-xs);
}

/* ========================================
   Layout & Container
   ======================================== */

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-2xl);
}

.content-container {
  max-width: 720px;
  margin: 0 auto;
}

section {
  padding: var(--space-4xl) 0;
}

/* ========================================
   Header & Navigation
   ======================================== */

.header {
  background-color: var(--color-snow);
  border-bottom: 1px solid var(--color-glacier);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: var(--font-xl);
  font-weight: var(--weight-bold);
  color: var(--color-ink);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: var(--font-base);
  font-weight: var(--weight-medium);
  color: var(--color-ink);
  padding: var(--space-sm) 0;
  position: relative;
  transition: color var(--duration-normal) var(--easing-default);
}

.nav-links a:hover {
  color: var(--color-pine);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-pine);
  transition: width var(--duration-normal) var(--easing-default);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Mobile Navigation */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-ink);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 64px;
  right: 0;
  width: 80vw;
  max-width: 320px;
  height: calc(100vh - 64px);
  background-color: var(--color-snow);
  box-shadow: -4px 0 16px rgba(30, 43, 53, 0.1);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--easing-smooth);
  overflow-y: auto;
  z-index: 99;
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav-links {
  list-style: none;
  padding: var(--space-xl);
}

.mobile-nav-links li {
  padding: var(--space-lg) 0;
  border-bottom: 2px dotted var(--color-glacier);
}

.mobile-nav-links li:last-child {
  border-bottom: none;
}

.mobile-nav-links a {
  font-size: var(--font-lg);
  font-weight: var(--weight-medium);
  color: var(--color-ink);
  display: block;
}

/* Contrast Toggle */
.contrast-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
}

.contrast-toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  background-color: var(--color-glacier);
  border-radius: 12px;
  transition: background-color var(--duration-fast) var(--easing-default);
}

.contrast-toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background-color: white;
  border-radius: 50%;
  transition: transform var(--duration-fast) var(--easing-default);
}

body.high-contrast .contrast-toggle-switch {
  background-color: var(--color-pine);
}

body.high-contrast .contrast-toggle-switch::after {
  transform: translateX(20px);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  background: linear-gradient(135deg, var(--color-glacier) 0%, rgba(46, 92, 78, 0.03) 100%);
  padding: var(--space-5xl) 0;
  position: relative;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero h1 {
  margin-bottom: var(--space-xl);
}

.hero p {
  font-size: var(--font-lg);
  color: var(--color-steel);
  margin-bottom: var(--space-2xl);
}

/* Winter Icon Decoration */
.hero::before {
  content: '';
  position: absolute;
  top: 20px;
  right: 40px;
  width: 80px;
  height: 80px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232E5C4E' stroke-width='1' opacity='0.2'%3E%3Cpath d='M12 2v20M2 12h20M4.93 4.93l14.14 14.14M4.93 19.07L19.07 4.93'/%3E%3C/svg%3E");
  background-size: contain;
  opacity: 0.3;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-base);
  font-weight: var(--weight-semibold);
  text-align: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  transition: all var(--duration-normal) var(--easing-default);
  box-shadow: var(--shadow-sm);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.btn-primary {
  background-color: var(--color-pine);
  color: var(--color-snow);
}

.btn-primary:hover {
  background-color: #26503F;
  transform: translateY(-1px);
  box-shadow: var(--shadow-card);
  color: var(--color-snow);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-pine);
  border: 1px solid var(--color-pine);
}

.btn-secondary:hover {
  background-color: var(--color-glacier);
  border-color: #26503F;
  color: var(--color-pine);
}

/* ========================================
   Cards
   ======================================== */

.card {
  background-color: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hairline);
  padding: var(--space-2xl);
  transition: all var(--duration-normal) var(--easing-default);
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-glacier);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

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

.card:focus-within {
  box-shadow: var(--shadow-focus);
}

.card-meta {
  font-size: var(--font-xs);
  color: var(--color-steel);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: var(--font-xl);
  font-weight: var(--weight-bold);
  color: var(--color-ink);
  margin-bottom: var(--space-md);
  line-height: var(--line-height-tight);
}

.card-excerpt {
  font-size: var(--font-sm);
  color: var(--color-steel);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-lg);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.card-link {
  font-size: var(--font-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-pine);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.card-link:hover {
  gap: var(--space-md);
}

/* ========================================
   Grid Layouts
   ======================================== */

.grid {
  display: grid;
  gap: var(--space-2xl);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ========================================
   Statistics Section
   ======================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2xl);
  margin: var(--space-3xl) 0;
}

.stat-card {
  text-align: center;
  padding: var(--space-xl);
}

.stat-number {
  font-size: var(--font-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-pine);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: var(--font-sm);
  color: var(--color-steel);
}

/* ========================================
   Input & Forms
   ======================================== */

.input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-base);
  font-family: var(--font-family);
  color: var(--color-ink);
  background-color: white;
  border: 1px solid var(--color-glacier);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--easing-default);
  min-height: 44px;
}

.input::placeholder {
  color: var(--color-steel);
}

.input:focus {
  outline: none;
  border: 2px solid var(--color-pine);
  box-shadow: var(--shadow-focus);
  padding: calc(var(--space-md) - 1px) calc(var(--space-lg) - 1px);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--font-sm);
  font-weight: var(--weight-medium);
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}

.newsletter-form {
  display: flex;
  gap: var(--space-md);
  max-width: 500px;
  margin: var(--space-xl) auto 0;
}

.newsletter-form .input {
  flex: 1;
}

/* ========================================
   Accordion
   ======================================== */

.accordion {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hairline);
}

.accordion-item {
  border-bottom: 1px solid var(--color-glacier);
}

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

.accordion-header {
  background-color: var(--color-glacier);
  padding: var(--space-xl);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color var(--duration-normal) var(--easing-default);
}

.accordion-header:hover {
  background-color: #D0DCEB;
}

.accordion-header:focus {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.accordion-title {
  font-size: var(--font-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-ink);
}

.accordion-icon {
  width: 20px;
  height: 20px;
  stroke: var(--color-ink);
  transition: transform var(--duration-normal) var(--easing-smooth);
}

.accordion-item.open .accordion-icon {
  transform: rotate(180deg);
}

.accordion-item.open .accordion-header {
  background-color: white;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) var(--easing-smooth);
}

.accordion-item.open .accordion-content {
  max-height: 1000px;
}

.accordion-body {
  padding: var(--space-xl);
  font-size: var(--font-base);
  color: var(--color-steel);
  line-height: var(--line-height-relaxed);
  background-color: white;
}

/* ========================================
   Categories Grid
   ======================================== */

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.category-card {
  background-color: white;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-hairline);
  transition: all var(--duration-normal) var(--easing-default);
  border: 1px solid transparent;
}

.category-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-pine);
}

.category-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-lg);
  stroke: var(--color-pine);
}

.category-title {
  font-size: var(--font-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}

.category-description {
  font-size: var(--font-sm);
  color: var(--color-steel);
}

/* ========================================
   Testimonials
   ======================================== */

.testimonial {
  background-color: white;
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-hairline);
  border-left: 4px solid var(--color-pine);
}

.testimonial-text {
  font-size: var(--font-base);
  color: var(--color-steel);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.testimonial-author {
  font-size: var(--font-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-ink);
}

.testimonial-location {
  font-size: var(--font-xs);
  color: var(--color-steel);
}

/* ========================================
   Alert/Warning Boxes
   ======================================== */

.alert {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
  border-left: 4px solid;
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.alert-warning {
  background-color: #FFF9E6;
  border-color: var(--color-warning);
  color: #856404;
}

.alert-info {
  background-color: #E8F4F8;
  border-color: var(--color-pine);
  color: var(--color-ink);
}

.alert-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ========================================
   Checklist
   ======================================== */

.checklist {
  list-style: none;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-glacier);
}

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

.checklist-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-glacier);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all var(--duration-fast) var(--easing-default);
}

.checklist-checkbox:hover {
  border-color: var(--color-pine);
}

.checklist-item.checked .checklist-checkbox {
  background-color: var(--color-pine);
  border-color: var(--color-pine);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-size: 16px;
  background-position: center;
  background-repeat: no-repeat;
}

.checklist-item.checked .checklist-text {
  text-decoration: line-through;
  color: var(--color-steel);
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background-color: var(--color-ink);
  color: var(--color-snow);
  padding: var(--space-4xl) 0 var(--space-2xl);
  margin-top: var(--space-4xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer-section h3 {
  color: var(--color-snow);
  font-size: var(--font-lg);
  margin-bottom: var(--space-lg);
}

.footer-section p,
.footer-section a {
  color: var(--color-glacier);
  font-size: var(--font-sm);
  line-height: var(--line-height-relaxed);
}

.footer-section a:hover {
  color: var(--color-snow);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(221, 232, 242, 0.2);
  color: var(--color-glacier);
  font-size: var(--font-sm);
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
  .header,
  .footer,
  .mobile-menu-toggle,
  .btn,
  .newsletter-form {
    display: none !important;
  }
  
  body {
    background-color: white;
  }
  
  .card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
  :root {
    --font-3xl: 36px;
    --font-2xl: 28px;
    --font-xl: 20px;
  }
  
  .nav-links {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .mobile-nav {
    display: block;
  }
  
  .hero {
    padding: var(--space-3xl) 0;
  }
  
  section {
    padding: var(--space-3xl) 0;
  }
  
  .card {
    padding: var(--space-xl);
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .hero::before {
    display: none;
  }
}

/* ========================================
   Reduced Motion Support
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .card:hover,
  .btn:hover {
    transform: none;
  }
}

/* ========================================
   Utility Classes
   ======================================== */

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

.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }
.mt-5 { margin-top: var(--space-2xl); }

.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }
.mb-5 { margin-bottom: var(--space-2xl); }

.divider {
  height: 2px;
  background: repeating-linear-gradient(
    to right,
    var(--color-glacier) 0px,
    var(--color-glacier) 8px,
    transparent 8px,
    transparent 16px
  );
  margin: var(--space-3xl) 0;
}

.tape-separator {
  height: 2px;
  background-color: var(--color-glacier);
  position: relative;
  margin: var(--space-3xl) 0;
}