/* ============================================
   Petite Maison IKEA — Global Stylesheet
   Pure CSS, no framework, maximum performance
   ============================================ */

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

:root {
  --color-primary: #0058a3;
  --color-primary-dark: #003e75;
  --color-accent: #ffdb00;
  --color-accent-dark: #e6c600;
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text: #222222;
  --color-text-light: #555555;
  --color-border: #e0e0e0;
  --color-success: #2e7d32;
  --max-width: 820px;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 4px 24px rgba(0,0,0,0.12);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-primary-dark); }

/* --- Layout --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }

/* --- Header --- */
.site-header {
  background: var(--color-surface);
  border-bottom: 3px solid var(--color-accent);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.site-logo span { color: var(--color-accent-dark); }

.lang-switch {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.lang-switch a {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 2rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-light);
  transition: all 0.2s;
}

.lang-switch a:hover,
.lang-switch a.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* --- Hero --- */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 3rem 0 2.5rem;
  text-align: center;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 40px;
  background: var(--color-bg);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.hero h1 {
  font-size: clamp(1.6rem, 4.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero .subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 1.5rem;
  line-height: 1.5;
}

.hero .meta {
  font-size: 0.85rem;
  opacity: 0.7;
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 1rem 0 0;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.breadcrumb a { color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span { margin: 0 0.35rem; }

/* --- Article Content --- */
.article-content {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem 2rem;
  margin: 2rem auto;
  max-width: var(--max-width);
}

.article-content h2 {
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 700;
  color: var(--color-primary);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-accent);
  letter-spacing: -0.01em;
}

.article-content h2:first-child { margin-top: 0; }

.article-content h3 {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  font-weight: 600;
  color: var(--color-text);
  margin: 2rem 0 0.75rem;
}

.article-content p {
  margin-bottom: 1.25rem;
  color: var(--color-text);
}

.article-content ul, .article-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.article-content strong { color: var(--color-text); }

/* --- Key Facts Box --- */
.key-facts {
  background: linear-gradient(135deg, #f0f7ff 0%, #e8f4fd 100%);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
}

.key-facts h3 {
  color: var(--color-primary);
  margin-top: 0 !important;
  margin-bottom: 1rem !important;
  font-size: 1.1rem;
}

.key-facts ul {
  list-style: none;
  margin-left: 0 !important;
}

.key-facts li {
  padding: 0.4rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.key-facts li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

/* --- Image Gallery --- */
.gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 2rem 0;
}

.gallery.grid-2 { grid-template-columns: repeat(2, 1fr); }

.gallery figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.gallery img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery figure:hover img { transform: scale(1.03); }

.gallery figcaption {
  padding: 0.6rem 0.8rem;
  font-size: 0.8rem;
  color: var(--color-text-light);
  background: var(--color-surface);
  text-align: center;
}

/* Featured image */
.featured-image {
  margin: 2rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.featured-image img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.featured-image figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
  background: var(--color-surface);
  text-align: center;
  font-style: italic;
}

/* --- FAQ / Schema.org --- */
.faq-section {
  margin: 2.5rem 0;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.faq-item:hover { box-shadow: var(--shadow); }

.faq-question {
  width: 100%;
  background: var(--color-surface);
  border: none;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-family: var(--font-main);
  transition: background 0.2s;
}

.faq-question:hover { background: #f5f9ff; }

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--color-primary);
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 1.25rem 1.25rem;
}

.faq-answer p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

/* --- Table of Contents --- */
.toc {
  background: #f8f9fa;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0 2rem;
}

.toc h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.75rem !important;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.toc ol {
  margin: 0 !important;
  padding-left: 1.25rem;
}

.toc li {
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
}

.toc a {
  color: var(--color-text);
  font-weight: 500;
}

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

/* --- Ad Slots --- */
.ad-slot {
  background: #f5f5f5;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  margin: 2rem 0;
  text-align: center;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 0.75rem;
}

.ad-slot--leaderboard { min-height: 90px; }
.ad-slot--rectangle { min-height: 250px; }
.ad-slot--in-article { min-height: 120px; margin: 1.5rem 0; }

/* --- CTA Box --- */
.cta-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 2rem;
  margin: 2.5rem 0;
  text-align: center;
}

.cta-box h3 {
  color: #fff !important;
  margin-top: 0 !important;
  font-size: 1.3rem;
}

.cta-box p { color: rgba(255,255,255,0.9); }

.cta-box .btn {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-text);
  font-weight: 700;
  padding: 0.75rem 2rem;
  border-radius: 2rem;
  margin-top: 0.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.cta-box .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  color: var(--color-text);
}

/* --- Comparison Table --- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.comparison-table th {
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
}

.comparison-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table tr:nth-child(even) td { background: #f8f9fa; }
.comparison-table tr:hover td { background: #f0f7ff; }

/* --- Footer --- */
.site-footer {
  background: #1a1a2e;
  color: rgba(255,255,255,0.7);
  padding: 2.5rem 0 1.5rem;
  margin-top: 3rem;
  font-size: 0.85rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.site-footer h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.site-footer a { color: rgba(255,255,255,0.7); }
.site-footer a:hover { color: var(--color-accent); }

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.4rem; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.25rem;
  text-align: center;
  font-size: 0.8rem;
}

/* --- Rewarded Ad Banner --- */
.rewarded-banner {
  background: linear-gradient(90deg, #fff8e1 0%, #fff3cd 100%);
  border: 1px solid #ffc107;
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.rewarded-banner p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text);
}

.rewarded-banner .btn-reward {
  background: var(--color-primary);
  color: #fff;
  padding: 0.5rem 1.25rem;
  border-radius: 2rem;
  font-weight: 600;
  font-size: 0.85rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.rewarded-banner .btn-reward:hover { background: var(--color-primary-dark); }

/* --- Responsive --- */
@media (max-width: 768px) {
  .article-content { padding: 1.5rem 1.25rem; margin: 1rem; }
  .gallery.grid-2 { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; }
  .hero { padding: 2rem 0 1.5rem; }
  .comparison-table { font-size: 0.8rem; }
  .comparison-table th, .comparison-table td { padding: 0.5rem 0.6rem; }
  .rewarded-banner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  html { font-size: 15px; }
  .site-header .container { justify-content: center; text-align: center; }
}

/* --- Image placeholder fallback --- */
img[src$=".jpg"]:not([src^="http"]) {
  background: linear-gradient(135deg, #e8f4fd 0%, #dbeafe 100%);
  color: var(--color-text-light);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
}

/* --- Print --- */
@media print {
  .site-header, .site-footer, .ad-slot, .rewarded-banner, .lang-switch { display: none; }
  .article-content { box-shadow: none; padding: 0; }
  body { background: #fff; }
}

/* --- Accessibility --- */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}