/* PristineMove Canada - Sterile Minimal Design System */

/* ===== CSS Variables (Design Tokens) ===== */
:root {
  /* Colors */
  --color-porcelain: #FCFCFD;
  --color-graphite: #2B2F34;
  --color-cool-gray: #A8B0BB;
  --color-mint: #4AC6B7;
  --color-sunwash: #F5E7A9;
  --color-surface-white: #FFFFFF;
  --color-border-gray: #E5E8EB;
  --color-success-green: #3EB489;
  --color-warning-amber: #F2B84B;
  
  /* Typography */
  --font-family: Inter, -apple-system, system-ui, sans-serif;
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 32px;
  --text-4xl: 48px;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.6;
  
  /* Spacing */
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-hairline: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-card: 0 10px 24px rgba(0,0,0,0.06);
  --shadow-card-hover: 0 14px 32px rgba(74,198,183,0.08);
  --shadow-modal: 0 20px 48px rgba(0,0,0,0.12);
  
  /* Animation */
  --duration-fast: 120ms;
  --duration-normal: 160ms;
  --duration-slow: 240ms;
  --easing-default: ease;
  --easing-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Base Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

/* High Contrast Mode */
body.high-contrast {
  --color-porcelain: #FFFFFF;
  --color-graphite: #000000;
  --color-cool-gray: #666666;
  --color-mint: #008080;
  --color-border-gray: #333333;
}

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

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

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

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: var(--line-height-tight);
  color: var(--color-graphite);
}

h1 {
  font-size: var(--text-4xl);
}

h2 {
  font-size: var(--text-3xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-cool-gray);
}

/* ===== Layout Container ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-2xl);
  }
}

/* ===== Navigation Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border-gray);
  height: 64px;
  display: flex;
  align-items: center;
  transition: box-shadow var(--duration-normal) var(--easing-default);
}

.header.scrolled {
  box-shadow: var(--shadow-card);
}

@media (min-width: 1024px) {
  .header {
    height: 72px;
  }
}

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

.logo {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-graphite);
  text-decoration: none;
}

.nav-menu {
  display: none;
  list-style: none;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .nav-menu {
    display: flex;
  }
}

.nav-menu a {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-graphite);
  position: relative;
  transition: color var(--duration-normal) var(--easing-default);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-mint);
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-mint);
}

.mobile-menu-toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
}

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

.mobile-menu {
  position: fixed;
  top: 64px;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: calc(100vh - 64px);
  background-color: var(--color-surface-white);
  box-shadow: var(--shadow-modal);
  padding: var(--space-2xl) var(--space-lg);
  transition: right var(--duration-slow) var(--easing-smooth);
  z-index: 99;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.mobile-menu-list a {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-graphite);
}

/* High Contrast Toggle */
.contrast-toggle {
  background-color: transparent;
  border: 1px solid var(--color-border-gray);
  border-radius: var(--radius-md);
  padding: var(--space-xs) var(--space-md);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-graphite);
  transition: all var(--duration-normal) var(--easing-default);
  margin-left: var(--space-md);
}

.contrast-toggle:hover {
  background-color: var(--color-porcelain);
  border-color: var(--color-mint);
}

/* ===== Hero Section ===== */
.hero {
  background: linear-gradient(to bottom, var(--color-porcelain), var(--color-surface-white));
  padding: var(--space-2xl) 0;
  min-height: 360px;
  display: flex;
  align-items: center;
  text-align: center;
}

@media (min-width: 1024px) {
  .hero {
    padding: var(--space-4xl) 0;
    min-height: 480px;
  }
}

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

.hero h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-lg);
}

@media (min-width: 1024px) {
  .hero h1 {
    font-size: var(--text-4xl);
  }
}

.hero p {
  font-size: var(--text-lg);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-2xl);
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: all var(--duration-fast) var(--easing-default);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-mint);
  color: var(--color-surface-white);
  box-shadow: var(--shadow-hairline);
}

.btn-primary:hover {
  background-color: #42b3a5;
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  color: var(--color-surface-white);
}

.btn-primary:active {
  background-color: #3aa598;
  transform: translateY(0);
}

.btn-primary:focus {
  outline: 2px solid var(--color-mint);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--color-sunwash);
}

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

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

@media (max-width: 767px) {
  .btn {
    padding: 11px var(--space-xl);
  }
}

/* ===== Cards ===== */
.card {
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border-gray);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  transition: all var(--duration-normal) var(--easing-smooth);
}

@media (min-width: 768px) {
  .card {
    padding: var(--space-xl);
  }
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-mint);
}

.card:focus-within {
  outline: 2px solid var(--color-mint);
  outline-offset: 2px;
}

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

.card-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--color-sunwash);
  color: var(--color-graphite);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-sm);
  color: var(--color-graphite);
}

@media (min-width: 768px) {
  .card-title {
    font-size: var(--text-2xl);
  }
}

.card-excerpt {
  font-size: var(--text-base);
  color: var(--color-cool-gray);
  line-height: var(--line-height-normal);
  margin-bottom: var(--space-lg);
}

.card-link {
  font-size: var(--text-sm);
  color: var(--color-mint);
  font-weight: var(--font-semibold);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.card-link:hover {
  text-decoration: underline;
}

/* ===== Grid Layouts ===== */
.grid {
  display: grid;
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.grid-2 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===== Section Styles ===== */
.section {
  padding: var(--space-3xl) 0;
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-graphite);
  text-align: center;
  margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
  .section-title {
    font-size: var(--text-3xl);
  }
}

/* ===== Statistics ===== */
.stats {
  background-color: var(--color-surface-white);
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border-gray);
  border-bottom: 1px solid var(--color-border-gray);
}

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

.stat-number {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-mint);
  display: block;
  margin-bottom: var(--space-xs);
}

@media (min-width: 768px) {
  .stat-number {
    font-size: var(--text-4xl);
  }
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-cool-gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== Category Cards ===== */
.category-card {
  background: linear-gradient(to bottom, var(--color-porcelain), var(--color-surface-white));
  border: 1px solid var(--color-border-gray);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  transition: all var(--duration-normal) var(--easing-smooth);
  cursor: pointer;
}

.category-card:hover {
  background: linear-gradient(to bottom, var(--color-surface-white), rgba(245, 231, 169, 0.1));
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.category-card:hover .category-icon {
  transform: scale(1.1);
}

.category-icon {
  width: 32px;
  height: 32px;
  color: var(--color-mint);
  margin: 0 auto var(--space-md);
  transition: transform var(--duration-normal) var(--easing-smooth);
}

.category-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-graphite);
  margin-bottom: var(--space-xs);
}

.category-count {
  font-size: var(--text-sm);
  color: var(--color-cool-gray);
}

/* ===== Reviews ===== */
.review-card {
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border-gray);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
}

.review-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.review-info {
  flex: 1;
}

.review-name {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-graphite);
  margin-bottom: 2px;
}

.review-location {
  font-size: var(--text-sm);
  color: var(--color-cool-gray);
}

.review-text {
  font-size: var(--text-base);
  color: var(--color-cool-gray);
  line-height: var(--line-height-relaxed);
  font-style: italic;
}

/* ===== Newsletter ===== */
.newsletter {
  background: linear-gradient(135deg, var(--color-mint), #42b3a5);
  padding: var(--space-3xl) 0;
  color: var(--color-surface-white);
  text-align: center;
}

.newsletter h2 {
  color: var(--color-surface-white);
  margin-bottom: var(--space-md);
}

.newsletter p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-2xl);
}

.newsletter-form {
  display: flex;
  gap: var(--space-md);
  max-width: 480px;
  margin: 0 auto;
  flex-direction: column;
}

@media (min-width: 768px) {
  .newsletter-form {
    flex-direction: row;
  }
}

.newsletter-input {
  flex: 1;
  padding: var(--space-md);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-surface-white);
}

.newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--color-surface-white);
  background-color: rgba(255, 255, 255, 0.2);
}

.newsletter-success {
  display: none;
  padding: var(--space-md);
  background-color: var(--color-success-green);
  color: var(--color-surface-white);
  border-radius: var(--radius-md);
  margin-top: var(--space-md);
}

.newsletter-success.active {
  display: block;
}

/* ===== Footer ===== */
.footer {
  background-color: var(--color-graphite);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-section h3 {
  color: var(--color-surface-white);
  font-size: var(--text-lg);
  margin-bottom: var(--space-md);
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-sm);
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--duration-normal) var(--easing-default);
}

.footer-links a:hover {
  color: var(--color-mint);
}

.social-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-surface-white);
  transition: all var(--duration-normal) var(--easing-default);
}

.social-links a:hover {
  background-color: var(--color-mint);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  text-align: center;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
}

/* ===== Category Page Header ===== */
.category-header {
  background: linear-gradient(135deg, var(--color-mint), #42b3a5);
  color: var(--color-surface-white);
  padding: var(--space-3xl) 0;
  text-align: center;
}

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

.category-header h1 {
  color: var(--color-surface-white);
  margin-bottom: var(--space-md);
}

.category-header p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 720px;
  margin: 0 auto;
  font-size: var(--text-lg);
}

/* ===== Back to Top Button ===== */
.back-to-top {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 48px;
  height: 48px;
  background-color: var(--color-mint);
  color: var(--color-surface-white);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-card);
  transition: all var(--duration-normal) var(--easing-default);
  z-index: 50;
}

.back-to-top.visible {
  display: flex;
}

.back-to-top:hover {
  background-color: #42b3a5;
  transform: translateY(-2px);
}

/* ===== Checklist ===== */
.checklist {
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border-gray);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}

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

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

.checklist-checkbox {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--color-mint);
  flex-shrink: 0;
  margin-top: 2px;
}

.checklist-label {
  flex: 1;
  color: var(--color-graphite);
  cursor: pointer;
  user-select: none;
}

.checklist-item.completed .checklist-label {
  text-decoration: line-through;
  color: var(--color-cool-gray);
}

/* ===== Print Styles ===== */
@media print {
  .header,
  .footer,
  .newsletter,
  .back-to-top,
  .mobile-menu-toggle,
  .contrast-toggle {
    display: none !important;
  }
  
  body {
    background-color: white;
    color: black;
  }
  
  .checklist {
    page-break-inside: avoid;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }
}

/* ===== Scroll Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-normal) var(--easing-smooth),
              transform var(--duration-normal) var(--easing-smooth);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Advantages Section ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .advantages-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.advantage-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-lg);
}

.advantage-icon {
  width: 48px;
  height: 48px;
  color: var(--color-mint);
  margin-bottom: var(--space-md);
}

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

.advantage-description {
  font-size: var(--text-base);
  color: var(--color-cool-gray);
}

/* ===== Warning/Safety Notes ===== */
.safety-note {
  background-color: rgba(242, 184, 75, 0.1);
  border-left: 4px solid var(--color-warning-amber);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
}

.safety-note-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-warning-amber);
  margin-bottom: var(--space-xs);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.safety-note-text {
  font-size: var(--text-sm);
  color: var(--color-graphite);
  margin: 0;
}