/* ============================================
   Dream Storybox - Stylesheet
   Calm bedtime aesthetic with accessibility
   ============================================ */

/* === RESET & BASE === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-dark-navy: #1a1f3a;
  --color-lavender: #9b8fb8;
  --color-warm-accent: #d4a574;
  --color-light-bg: #faf9f7;
  --color-white: #ffffff;
  --color-text: #2c2c2c;
  --color-text-light: #666666;
  --color-link: #5a6fa5;
  --color-link-hover: #3d4f7a;
  --max-content-width: 72ch;
  --container-padding: 1.5rem;
  --spacing-unit: 1rem;
}

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-light-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* === SKIP LINK === */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-dark-navy);
  color: var(--color-white);
  padding: 8px 16px;
  text-decoration: none;
  z-index: 1000;
}

.skip-link:focus {
  top: 0;
}

/* === HEADER === */
.site-header {
  background-color: var(--color-dark-navy);
  color: var(--color-white);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: opacity 0.2s;
}

.site-logo:hover {
  opacity: 0.9;
}

.site-logo:focus-visible {
  outline: 2px solid var(--color-lavender);
  outline-offset: 2px;
}

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

.logo-text {
  display: inline-block;
}

@media (max-width: 480px) {
  .logo-text {
    display: none;
  }
  
  .logo-img {
    height: 35px;
  }
}

/* === NAVIGATION === */
.main-nav {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--color-white);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 0;
  transition: color 0.2s;
  position: relative;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--color-lavender);
  outline: none;
}

.main-nav a:focus-visible {
  outline: 2px solid var(--color-lavender);
  outline-offset: 2px;
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-nav-toggle:focus-visible {
  outline: 2px solid var(--color-lavender);
  outline-offset: 2px;
}

/* === MAIN CONTENT === */
.main-content {
  flex: 1;
  width: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem var(--container-padding);
}

.article-container {
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding: 2rem var(--container-padding);
}

/* === BREADCRUMBS === */
.breadcrumbs {
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.breadcrumbs a {
  color: var(--color-link);
  text-decoration: none;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.breadcrumbs span {
  margin: 0 0.5rem;
  color: var(--color-text-light);
}

/* === TYPOGRAPHY === */
h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--color-dark-navy);
  font-weight: 700;
}

h2 {
  font-size: 2rem;
  line-height: 1.3;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--color-dark-navy);
  font-weight: 600;
}

h3 {
  font-size: 1.5rem;
  line-height: 1.4;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--color-dark-navy);
  font-weight: 600;
}

h4 {
  font-size: 1.25rem;
  line-height: 1.4;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  color: var(--color-dark-navy);
  font-weight: 600;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-link);
  text-decoration: underline;
  transition: color 0.2s;
}

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

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

ul, ol {
  margin-bottom: 1rem;
  padding-left: 2rem;
}

li {
  margin-bottom: 0.5rem;
}

/* === HERO SECTION === */
.hero {
  background: linear-gradient(135deg, var(--color-dark-navy) 0%, #2a3450 100%);
  color: var(--color-white);
  padding: 4rem var(--container-padding);
  text-align: center;
}

.hero h1 {
  color: var(--color-white);
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 2rem;
  opacity: 0.95;
}

/* === CARDS === */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.card {
  background: var(--color-white);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.card h3 {
  margin-top: 0;
  font-size: 1.5rem;
  color: var(--color-dark-navy);
}

.card p {
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.card-link {
  color: var(--color-link);
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  margin-top: 0.5rem;
}

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

/* === ARTICLE CARDS === */
.article-card {
  background: var(--color-white);
  border-left: 4px solid var(--color-lavender);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.article-card h2 {
  font-size: 1.5rem;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.article-card h2 a {
  color: var(--color-dark-navy);
  text-decoration: none;
}

.article-card h2 a:hover {
  color: var(--color-link);
}

.article-meta {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0.75rem;
}

.article-meta span {
  margin-right: 1rem;
}

.category-tag {
  display: inline-block;
  background: var(--color-lavender);
  color: var(--color-white);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
}

.category-tag:hover {
  background: var(--color-dark-navy);
  color: var(--color-white);
}

/* === ARTICLE CONTENT === */
.article-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--color-lavender);
}

.article-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.author-block {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.reading-time {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.article-content {
  line-height: 1.8;
}

.article-content h2 {
  margin-top: 2.5rem;
}

.article-content h3 {
  margin-top: 2rem;
}

.checklist {
  background: var(--color-light-bg);
  border-left: 4px solid var(--color-warm-accent);
  padding: 1.5rem;
  margin: 2rem 0;
}

.checklist h3 {
  margin-top: 0;
}

.checklist ul {
  list-style: none;
  padding-left: 0;
}

.checklist li {
  padding-left: 1.5rem;
  position: relative;
}

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

.faq-section {
  background: var(--color-light-bg);
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: 8px;
}

.faq-section h3 {
  margin-top: 0;
  color: var(--color-dark-navy);
}

.faq-item {
  margin-bottom: 1.5rem;
}

.faq-item h4 {
  margin-bottom: 0.5rem;
  color: var(--color-dark-navy);
}

.faq-item p {
  margin-bottom: 0;
  color: var(--color-text);
}

/* === BUTTONS === */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--color-link);
  color: var(--color-white);
  text-decoration: none;
  border-radius: 4px;
  font-weight: 500;
  transition: background 0.2s;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn:hover {
  background: var(--color-link-hover);
}

.btn:focus-visible {
  outline: 2px solid var(--color-link);
  outline-offset: 2px;
}

.btn-secondary {
  background: var(--color-lavender);
}

.btn-secondary:hover {
  background: var(--color-dark-navy);
}

/* === FILTERS === */
.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #e0e0e0;
}

.filter-btn {
  padding: 0.5rem 1rem;
  background: var(--color-white);
  border: 2px solid var(--color-lavender);
  color: var(--color-dark-navy);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-lavender);
  color: var(--color-white);
}

.filter-btn:focus-visible {
  outline: 2px solid var(--color-link);
  outline-offset: 2px;
}

/* === FORMS === */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-dark-navy);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #e0e0e0;
  border-radius: 4px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-link);
}

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

/* === FOOTER === */
.site-footer {
  background-color: var(--color-dark-navy);
  color: var(--color-white);
  padding: 2rem var(--container-padding);
  margin-top: 4rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

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

.footer-nav a:hover {
  color: var(--color-lavender);
}

.footer-nav a:focus-visible {
  outline: 2px solid var(--color-lavender);
  outline-offset: 2px;
}

.copyright {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

/* === STORIES LIST === */
.stories-list {
  list-style: none;
  padding-left: 0;
}

.stories-list li {
  margin-bottom: 1rem;
}

.stories-list a {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-dark-navy);
  text-decoration: none;
}

.stories-list a:hover {
  color: var(--color-link);
  text-decoration: underline;
}

.story-content {
  margin-top: 2rem;
}

.story-content h2 {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--color-lavender);
}

.story-content h2:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

/* === UTILITY CLASSES === */
.text-center {
  text-align: center;
}

.mt-2 {
  margin-top: 2rem;
}

.mb-2 {
  margin-bottom: 2rem;
}

.hidden {
  display: none;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    margin-top: 1rem;
  }

  .main-nav.active {
    display: flex;
  }

  .main-nav li {
    width: 100%;
  }

  .main-nav a {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

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

  .footer-container {
    flex-direction: column;
  }

  .category-filters {
    flex-direction: column;
  }

  .filter-btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
  }

  .hero {
    padding: 2rem var(--container-padding);
  }

  .article-title {
    font-size: 1.75rem;
  }
}