/* ============================================================
   ART NANTES CONTEMPORAIN — CSS
   Blog culturel éditorial
   Design : sobre, crédible, typographique
============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400;1,700&family=Source+Sans+3:ital,wght@0,300;0,400;0,600;1,300;1,400&display=swap');

/* ============================================================
   VARIABLES
============================================================ */
:root {
  --bg:          #f7f4ef;
  --bg-alt:      #eeebe4;
  --surface:     #ffffff;
  --border:      #ddd9d0;
  --border-dark: #b8b2a7;

  --text:        #1a1814;
  --text-muted:  #6b6560;
  --text-subtle: #9c9690;

  --accent:      #c4622d;
  --accent-dark: #9e4d22;
  --accent-light:#e8d5c8;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Source Sans 3', 'Georgia', serif;

  --container:    1100px;
  --container-narrow: 720px;

  --radius:  4px;
  --radius-lg: 8px;

  --shadow-sm: 0 1px 4px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);

  --transition: 220ms ease;
}

/* ============================================================
   RESET & BASE
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ============================================================
   LAYOUT
============================================================ */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 2rem;
}
.container--narrow {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: 2rem;
}

/* ============================================================
   HEADER
============================================================ */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 2rem;
}

.site-logo {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.logo-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.logo-tagline {
  font-size: 0.65rem;
  color: var(--text-subtle);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 300;
}

.site-nav ul {
  display: flex;
  gap: 0.25rem;
}

.site-nav a {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text);
  background: var(--bg-alt);
}

/* ============================================================
   HERO / PRÉSENTATION
============================================================ */
.section-hero {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 5rem;
  align-items: center;
}

.hero-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.8;
  font-weight: 300;
  max-width: 540px;
  margin-bottom: 2rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  display: block;
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--text-subtle);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.25rem;
  display: block;
}

.hero-visual {
  position: relative;
}

.hero-image-frame {
  aspect-ratio: 4/5;
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
}

.hero-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
  color: white;
  padding: 1.5rem 1rem 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

.hero-deco {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 80px;
  height: 80px;
  background: var(--accent-light);
  border-radius: 50%;
  z-index: -1;
}

/* ============================================================
   SECTION TITRE
============================================================ */
.section-header {
  padding: 3.5rem 0 2rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 2px solid var(--text);
  margin-bottom: 2.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.section-link {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--transition);
  white-space: nowrap;
}

.section-link:hover { gap: 0.7rem; }

/* ============================================================
   ARTICLE FEATURED (hero article)
============================================================ */
.section-featured {
  padding: 4rem 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.article-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.article-featured-image {
  aspect-ratio: 4/3;
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.article-featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.article-featured:hover .article-featured-image img {
  transform: scale(1.03);
}

.article-featured-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ============================================================
   TAGS / CATÉGORIES
============================================================ */
.tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius);
  background: var(--accent-light);
  color: var(--accent-dark);
}

.tag--dark {
  background: var(--text);
  color: var(--bg);
}

.tag--outline {
  background: transparent;
  border: 1px solid var(--border-dark);
  color: var(--text-muted);
}

/* ============================================================
   ARTICLE CARD
============================================================ */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 4rem 0;
}

.article-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-dark);
}

.article-card-image {
  aspect-ratio: 3/2;
  background: var(--bg-alt);
  overflow: hidden;
}

.article-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.article-card:hover .article-card-image img {
  transform: scale(1.04);
}

.article-card-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  background: var(--bg-alt);
}

.article-card-content {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.article-card-date {
  font-size: 0.72rem;
  color: var(--text-subtle);
  letter-spacing: 0.06em;
}

.article-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  letter-spacing: -0.01em;
  transition: color var(--transition);
}

.article-card:hover .article-card-title {
  color: var(--accent);
}

.article-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  font-weight: 300;
  flex: 1;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.article-read-more {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  transition: gap var(--transition);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.article-read-time {
  font-size: 0.72rem;
  color: var(--text-subtle);
}

/* ============================================================
   ARTICLE FULL (page article)
============================================================ */
.article-full {
  padding: 4rem 0 6rem;
}

.article-full-header {
  padding-bottom: 3rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}

.article-full-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 1rem 0 1.5rem;
}

.article-full-intro {
  font-size: 1.2rem;
  color: var(--text-muted);
  line-height: 1.8;
  font-weight: 300;
  font-style: italic;
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
}

.article-full-image {
  margin: 2.5rem 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.article-full-image img {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: cover;
}

.article-full-image figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  color: var(--text-subtle);
  font-style: italic;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

/* Corps de l'article */
.article-body h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  margin: 3rem 0 1rem;
  letter-spacing: -0.01em;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent-light);
}

.article-body h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin: 2rem 0 0.75rem;
}

.article-body p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.article-body p strong {
  color: var(--text);
  font-weight: 600;
}

.article-body blockquote {
  margin: 2.5rem 0;
  padding: 1.5rem 2rem;
  background: var(--accent-light);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.article-body blockquote p {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--accent-dark);
  margin: 0;
  font-weight: 400;
}

.article-body blockquote cite {
  display: block;
  font-size: 0.8rem;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 0.75rem;
}

/* Fiche artiste dans l'article */
.artist-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 2.5rem 0;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  align-items: start;
  border-left: 4px solid var(--accent);
}

.artist-card-avatar {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-lg);
  background: var(--bg);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.artist-card-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.artist-card-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.artist-card-meta {
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.artist-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 1rem;
}

.artist-card-link {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--transition);
}

.artist-card-link:hover { gap: 0.7rem; }

/* FAQ */
.article-faq {
  margin: 3rem 0;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.article-faq-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

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

.faq-question {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  list-style: none;
  padding: 0.25rem 0;
}

.faq-question::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--accent);
  font-weight: 300;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

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

.faq-answer {
  padding: 0.75rem 0 0.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
  font-weight: 300;
}

/* ============================================================
   SIDEBAR
============================================================ */
.content-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 4rem;
  padding: 4rem 0;
  align-items: start;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: sticky;
  top: 88px;
}

.sidebar-widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.sidebar-widget-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 1rem 1.25rem;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  color: var(--text);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.sidebar-about {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sidebar-about p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  font-weight: 300;
}

.sidebar-tags {
  padding: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sidebar-recent {
  display: flex;
  flex-direction: column;
}

.sidebar-recent-item {
  display: flex;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
  align-items: center;
}

.sidebar-recent-item:last-child { border-bottom: none; }
.sidebar-recent-item:hover { background: var(--bg-alt); }

.sidebar-recent-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--border-dark);
  line-height: 1;
  min-width: 28px;
}

.sidebar-recent-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

.sidebar-recent-date {
  font-size: 0.72rem;
  color: var(--text-subtle);
  margin-top: 0.2rem;
}

/* ============================================================
   NEWSLETTER / CTA
============================================================ */
.section-cta {
  background: var(--text);
  color: white;
  padding: 4rem 0;
  text-align: center;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 1rem;
  color: white;
}

.cta-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 2rem;
  font-weight: 300;
}

.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: white;
  padding: 0.75rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background var(--transition), transform var(--transition);
}

.cta-link:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

/* ============================================================
   FOOTER
============================================================ */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 3rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.footer-desc {
  font-size: 0.8rem;
  color: var(--text-subtle);
  margin-top: 0.25rem;
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  transition: color var(--transition);
}

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

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-subtle);
}

/* ============================================================
   UTILITAIRES
============================================================ */
.text-accent { color: var(--accent); }
.text-muted  { color: var(--text-muted); }
.font-display { font-family: var(--font-display); }

/* Séparateur décoratif */
.divider {
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 1rem 0;
}

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeInUp 0.5s ease both;
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { max-width: 400px; }
  .content-with-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container, .container--narrow { padding-inline: 1.25rem; }
  .header-inner { height: 56px; }
  .section-hero { padding: 3rem 0 2.5rem; }
  .article-featured { grid-template-columns: 1fr; gap: 2rem; }
  .articles-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
  .hero-stats { gap: 1.5rem; flex-wrap: wrap; }
  .artist-card { grid-template-columns: 1fr; }
  .artist-card-avatar { width: 80px; height: 80px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}