/* CondoPets CA - Pet Care Website Styles */

/* CSS Custom Properties */
:root {
  /* Color Palette */
  --color-warm-grey: #2B2F36;
  --color-aqua: #20C6B7;
  --color-peach: #FFB7A8;
  --color-soft-blue: #7EC8FF;
  --color-white: #FFFFFF;
  
  /* Typography Scale */
  --font-size-xs: 0.833rem; /* 1.2 * 0.833 */
  --font-size-sm: 1rem;
  --font-size-md: 1.25rem; /* 1.25 * 1.25 */
  --font-size-lg: 1.563rem; /* 1.25^2 */
  --font-size-xl: 1.953rem; /* 1.25^3 */
  --font-size-2xl: 2.441rem; /* 1.25^4 */
  --font-size-3xl: 3.052rem; /* 1.25^5 */
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Grid */
  --grid-max-width: 1200px;
  --grid-gutter: 24px;
  --grid-columns: 12;
  
  /* Cards */
  --card-radius: 18px;
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --card-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--color-warm-grey);
  background-color: var(--color-white);
  font-size: var(--font-size-sm);
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-warm-grey);
  color: var(--color-white);
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 1000;
  font-weight: 600;
}

.skip-link:focus {
  top: 6px;
}

/* Focus Styles for Accessibility */
*:focus {
  outline: 2px solid var(--color-aqua);
  outline-offset: 2px;
}

/* High Contrast Support */
@media (prefers-contrast: high) {
  :root {
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --card-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  }
}

/* Typography */
h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
  max-width: 70ch;
}

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

a:hover {
  color: var(--color-warm-grey);
}

/* Container and Grid */
.container {
  width: 100%;
  max-width: var(--grid-max-width);
  margin: 0 auto;
  padding: 0 var(--grid-gutter);
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-12 {
  grid-template-columns: repeat(12, 1fr);
}

/* Header */
.header {
  background-color: var(--color-white);
  box-shadow: var(--card-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: transform var(--transition-normal);
}

.header.scrolled {
  transform: translateY(-2px);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-warm-grey);
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--color-aqua);
}

/* Navigation */
.nav {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--color-warm-grey);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  background-color: var(--color-aqua);
  color: var(--color-white);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  padding: var(--spacing-xs);
  cursor: pointer;
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: var(--card-shadow);
  padding: var(--spacing-md);
  z-index: 50;
}

.mobile-menu.active {
  display: block;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-soft-blue) 0%, var(--color-aqua) 100%);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
}

.hero-image {
  position: relative;
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: var(--card-shadow-lg);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: 8px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1;
}

.btn-primary {
  background-color: var(--color-aqua);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: #1ea499;
  transform: translateY(-1px);
  box-shadow: var(--card-shadow);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-warm-grey);
  border: 2px solid var(--color-white);
}

.btn-secondary:hover {
  background-color: transparent;
  color: var(--color-white);
}

/* Cards */
.card {
  background-color: var(--color-white);
  border-radius: var(--card-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--card-shadow);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: var(--spacing-md);
}

.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-new {
  background-color: var(--color-peach);
  color: var(--color-warm-grey);
}

.badge-beginner {
  background-color: var(--color-soft-blue);
  color: var(--color-warm-grey);
}

.badge-essential {
  background-color: var(--color-aqua);
  color: var(--color-white);
}

.badge-seasonal {
  background-color: var(--color-peach);
  color: var(--color-white);
}

/* Sections */
.section {
  padding: var(--spacing-3xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-subtitle {
  text-align: center;
  font-size: var(--font-size-md);
  color: rgba(43, 47, 54, 0.7);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Quick Start Guide */
.quick-start {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.quick-start-step {
  text-align: center;
  padding: var(--spacing-lg);
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-aqua);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin: 0 auto var(--spacing-md);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  background-color: var(--color-aqua);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  color: var(--color-white);
}

/* Filter Chips */
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-bottom: var(--spacing-xl);
}

.chip {
  padding: var(--spacing-xs) var(--spacing-md);
  border: 2px solid var(--color-warm-grey);
  border-radius: 20px;
  background-color: transparent;
  color: var(--color-warm-grey);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chip:hover {
  background-color: var(--color-warm-grey);
  color: var(--color-white);
}

.chip.active {
  background-color: var(--color-aqua);
  border-color: var(--color-aqua);
  color: var(--color-white);
}

/* Newsletter */
.newsletter {
  background-color: var(--color-soft-blue);
  color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--card-radius);
  text-align: center;
}

.newsletter h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.newsletter-form {
  display: flex;
  gap: var(--spacing-sm);
  max-width: 400px;
  margin: var(--spacing-lg) auto 0;
}

.newsletter-input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: 8px;
  font-size: var(--font-size-sm);
}

/* Footer */
.footer {
  background-color: var(--color-warm-grey);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-section h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-md);
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
}

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

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

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 48px;
  height: 48px;
  background-color: var(--color-aqua);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 100;
  box-shadow: var(--card-shadow);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: #1ea499;
  transform: translateY(-2px);
}

/* Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

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

.paw-loader {
  width: 64px;
  height: 64px;
  border: 4px solid rgba(32, 198, 183, 0.2);
  border-top-color: var(--color-aqua);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-md);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Scroll Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-normal);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --grid-gutter: 20px;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    text-align: center;
  }
  
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  h1 {
    font-size: var(--font-size-2xl);
  }
  
  h2 {
    font-size: var(--font-size-xl);
  }
  
  .hero {
    padding: var(--spacing-2xl) 0;
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .filter-chips {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
  }
  
  .card-image {
    height: 180px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .card {
    padding: var(--spacing-md);
  }
  
  .newsletter {
    padding: var(--spacing-lg);
  }
}

/* Article Preview Styles */
.article-preview {
  margin-bottom: var(--spacing-xl);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-xs);
  color: rgba(43, 47, 54, 0.6);
}

.article-excerpt {
  color: rgba(43, 47, 54, 0.8);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

/* List Styles */
.article-content ul,
.article-content ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.article-content li {
  margin-bottom: var(--spacing-xs);
}

/* Success Message */
.success-message {
  background-color: #10B981;
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 8px;
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition-normal);
}

.success-message.show {
  opacity: 1;
  transform: translateY(0);
}

/* Legal Page Styles */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
}

.legal-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-warm-grey);
}

.legal-content h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.legal-content p {
  margin-bottom: var(--spacing-md);
}

/* SVG Icons */
.icon {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden { display: none; }
.visible { display: block; }