/* ============================================
   Kazka Kids - Premium Design System
   ============================================ */

/* CSS Variables - Color Palette */
:root {
  --color-bg: #faf8f5;        /* Warm ivory background */
  --color-surface: #ffffff;   /* White surface */
  --color-primary: #2d5a5a;   /* Deep teal */
  --color-accent: #d4af37;    /* Soft gold */
  --color-night: #1a3a3a;     /* Deep navy for hero/footer */
  --color-text: #2c2c2c;      /* Dark text */
  --color-text-light: #666666; /* Light text */
  --color-border: #e8e5e0;    /* Subtle border */
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  --max-width: 70ch;
  --max-width-wide: 1200px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-night);
}

h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-night);
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Layout */
.container {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.content {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-night);
  text-decoration: none;
}

.logo-link:hover {
  text-decoration: none;
}

.logo-link img {
  height: 40px;
  width: auto;
}

/* Navigation */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-night);
  padding: var(--spacing-xs);
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  flex-wrap: wrap;
}

.nav-menu a {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
}

.nav-menu a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-night) 0%, var(--color-primary) 100%);
  color: white;
  padding: var(--spacing-2xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../img/soft-stars-pattern.svg');
  background-repeat: repeat;
  opacity: 0.15;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

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

.hero p {
  font-size: 1.125rem;
  opacity: 0.95;
  max-width: 60ch;
}

/* Cards */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-lg);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.card-title {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  color: var(--color-night);
}

.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card-link:hover {
  text-decoration: none;
}

.card-link:hover .card {
  transform: translateY(-2px);
}

/* Badges & Chips */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--color-primary);
  color: white;
  margin-right: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

.badge-accent {
  background: var(--color-accent);
  color: var(--color-night);
}

.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  margin-right: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

/* Callouts */
.callout {
  background: var(--color-bg);
  border-left: 4px solid var(--color-accent);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius-md);
}

.callout-title {
  font-weight: 600;
  color: var(--color-night);
  margin-bottom: var(--spacing-xs);
  font-size: 1.125rem;
}

/* Blockquotes */
blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  color: var(--color-text-light);
}

/* Lists */
ul, ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

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

/* Forms */
.form-group {
  margin-bottom: var(--spacing-md);
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-night);
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  background: var(--color-surface);
  transition: border-color 0.2s ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 90, 90, 0.1);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

button[type="submit"],
.btn {
  background: var(--color-primary);
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease;
}

button[type="submit"]:hover,
.btn:hover {
  background: var(--color-night);
}

button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Sections */
.section {
  padding: var(--spacing-2xl) 0;
}

.section-alt {
  background: var(--color-surface);
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Breadcrumbs */
.breadcrumbs {
  padding: var(--spacing-md) 0;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.breadcrumbs a {
  color: var(--color-text-light);
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.breadcrumbs span {
  margin: 0 var(--spacing-xs);
}

/* Footer */
.site-footer {
  background: var(--color-night);
  color: white;
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

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

.footer-links a:hover {
  color: white;
  text-decoration: none;
}

/* Story Sections */
.story {
  margin: var(--spacing-2xl) 0;
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
}

.story:last-child {
  border-bottom: none;
}

.story-header {
  margin-bottom: var(--spacing-md);
}

.story-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

/* Table of Contents */
.toc {
  background: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.toc-title {
  margin-top: 0;
  font-size: 1.25rem;
}

.toc-list {
  list-style: none;
  margin-left: 0;
}

.toc-list li {
  margin-bottom: var(--spacing-xs);
}

.toc-list a {
  color: var(--color-text);
}

/* FAQ */
.faq-item {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-night);
  margin-bottom: var(--spacing-sm);
}

.faq-answer {
  color: var(--color-text);
}

/* Checklist */
.checklist {
  list-style: none;
  margin-left: 0;
  background: var(--color-bg);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin: var(--spacing-lg) 0;
}

.checklist li {
  padding-left: var(--spacing-lg);
  position: relative;
  margin-bottom: var(--spacing-sm);
}

.checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

/* Reading Time */
.reading-time {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-style: italic;
}

/* Author */
.author {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  
  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .hero {
    padding: var(--spacing-xl) 0;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  h1 {
    font-size: 1.75rem;
  }
  
  .card {
    padding: var(--spacing-md);
  }
}

/* Print Styles */
@media print {
  .site-header,
  .site-footer,
  .nav-toggle,
  .breadcrumbs {
    display: none;
  }
  
  body {
    background: white;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid var(--color-border);
  }
}