/*
Theme Name:  grenon.io
Theme URI:   https://grenon.io
Description: Thème WordPress néo-rétro pour grenon.io — blog tech, IA, conformité, management IT
Author:      grenon.io
Version:     2.0.0
Requires at least: 6.4
Tested up to:      6.7
Requires PHP:      8.4
License:     GNU General Public License v2 or later
Text Domain: grenon-io
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --bg:          #f7f5f0;
  --bg-alt:      #f2f0eb;
  --bg-hover:    #f0ede6;
  --border:      #e2dfd8;
  --border-mid:  #ccc9c2;
  --text-primary:#1a1a18;
  --text-body:   #444440;
  --text-muted:  #888580;
  --text-hint:   #b8b5ae;
  --accent:      #1a7a45;
  --accent-bg:   #d8f0e4;
  --accent-text: #0f5c30;
  --font-mono:   'JetBrains Mono', 'Courier New', monospace;
  --font-serif:  'Lora', Georgia, serif;
  --font-sans:   'Inter', system-ui, sans-serif;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-body);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: underline; text-decoration-color: #b8e8cc; }
a:hover { text-decoration-color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }

/* ============================================================
   NAVIGATION
   ============================================================ */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
}

.site-branding a {
  display: flex;
  align-items: baseline;
  text-decoration: none;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-tld {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}

.logo-cursor {
  display: inline-block;
  width: 10px;
  height: 18px;
  background: var(--accent);
  opacity: 0.7;
  margin-left: 2px;
  vertical-align: middle;
  animation: blink 1.1s step-end infinite;
}

@keyframes blink { 50% { opacity: 0; } }

#primary-navigation ul {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

#primary-navigation a {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-hint);
  text-decoration: none;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.15s;
}

#primary-navigation a:hover,
#primary-navigation .current-menu-item > a { color: var(--accent); }

/* ============================================================
   PROGRESS BAR
   ============================================================ */
#reading-progress { height: 2px; background: var(--border); }
#reading-progress-fill {
  height: 2px;
  background: var(--accent);
  width: 0%;
  transition: width 0.1s linear;
}

/* ============================================================
   HERO
   ============================================================ */
.home-hero {
  display: grid;
  grid-template-columns: 3fr 2fr;
  border-bottom: 1px solid var(--border);
}

.hero-main { padding: 40px; border-right: 1px solid var(--border); }

.hero-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.hero-tag::before { content: '> '; color: #b8e8cc; }

.hero-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.25;
  margin: 0 0 12px;
}
.hero-title em { font-style: normal; color: var(--accent); }

.hero-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--border-mid);
  margin-bottom: 14px;
}

.hero-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 24px;
  max-width: 520px;
}

.hero-cta { display: flex; align-items: center; gap: 16px; }

.btn-primary {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  border: none;
  padding: 9px 20px;
  border-radius: 3px;
  cursor: pointer;
  letter-spacing: 0.08em;
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.15s;
}
.btn-primary:hover { opacity: 0.85; color: #fff; text-decoration: none; }

.btn-ghost {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-hint);
  background: transparent;
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 3px;
  cursor: pointer;
  letter-spacing: 0.08em;
  text-decoration: none;
  display: inline-block;
  transition: border-color 0.15s, color 0.15s;
}
.btn-ghost:hover { border-color: var(--border-mid); color: var(--text-body); text-decoration: none; }

.hero-side { padding: 32px 28px; background: var(--bg-alt); }

.hero-side-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--border-mid);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.hero-side-label::before { content: '// '; }

.side-article { padding: 14px 0; border-bottom: 1px solid var(--border); }
.side-article:last-child { border-bottom: none; }

.side-cat {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
  opacity: 0.8;
}

.side-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 5px;
  text-decoration: none;
  display: block;
  transition: color 0.15s;
}
.side-article:hover .side-title { color: var(--text-primary); }

.side-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--border-mid);
}

/* ============================================================
   TOPICS BAR
   ============================================================ */
.topics-bar {
  display: flex;
  align-items: center;
  padding: 0 40px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.topics-bar::-webkit-scrollbar { display: none; }

.topic-item {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--border-mid);
  padding: 14px 20px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  text-decoration: none;
  transition: all 0.15s;
  display: inline-block;
}
.topic-item:hover { color: var(--text-muted); text-decoration: none; }
.topic-item.current { color: var(--accent); border-bottom-color: var(--accent); }

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px 14px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--border-mid);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.section-label::before { content: '// '; }

.section-link {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--border-mid);
  text-decoration: none;
}
.section-link:hover { color: var(--text-body); }

/* ============================================================
   GRILLE D'ARTICLES
   ============================================================ */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
}

.article-card {
  padding: 22px 28px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  transition: background 0.15s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.article-card:nth-child(3n) { border-right: none; }
.article-card:hover { background: var(--bg-hover); text-decoration: none; }

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.card-cat {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 2px;
}
.cat-ia      { background: #d8f0e4; color: #0f5c30; }
.cat-mgmt    { background: #fdefd4; color: #7a4a00; }
.cat-conf    { background: #ddeaf8; color: #1a4a8a; }
.cat-cloud   { background: #ede4f8; color: #5a2a9a; }
.cat-default { background: var(--bg-alt); color: var(--text-muted); }

.card-time { font-family: var(--font-mono); font-size: 10px; color: var(--border-mid); }

.card-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  line-height: 1.45;
  margin-bottom: 10px;
}
.article-card:hover .card-title { color: var(--text-primary); }

.card-excerpt {
  font-size: 12px;
  color: var(--text-hint);
  line-height: 1.65;
  margin-bottom: 14px;
}

.card-footer { display: flex; align-items: center; justify-content: space-between; }
.card-author { font-family: var(--font-mono); font-size: 10px; color: var(--border-mid); }
.card-read   { font-family: var(--font-mono); font-size: 10px; color: var(--accent); opacity: 0; transition: opacity 0.15s; }
.article-card:hover .card-read { opacity: 1; }

/* ============================================================
   FEATURED
   ============================================================ */
.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--border);
}

.featured-card {
  padding: 28px 40px;
  border-right: 1px solid var(--border);
  background: var(--bg);
  transition: background 0.15s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.featured-card:last-child { border-right: none; }
.featured-card:hover { background: var(--bg-hover); text-decoration: none; }

.feat-num {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  margin-bottom: 12px;
}
.feat-title { font-size: 16px; font-weight: 600; color: var(--text-body); line-height: 1.4; margin-bottom: 10px; }
.featured-card:hover .feat-title { color: var(--text-primary); }
.feat-meta { font-family: var(--font-mono); font-size: 10px; color: var(--border-mid); }

/* ============================================================
   PAGE ARTICLE
   ============================================================ */
.article-header {
  max-width: 720px;
  margin: 0 auto;
  padding: 44px 40px 36px;
  border-bottom: 1px solid var(--border);
}

.article-breadcrumb {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-hint);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.article-breadcrumb span { color: var(--accent); }

.article-cat-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: var(--accent-bg);
  color: var(--accent-text);
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 16px;
}

.article-title {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  margin: 0 0 14px;
}

.article-chapeau {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 22px;
  font-style: italic;
  border-left: 3px solid var(--accent);
  padding-left: 16px;
  border-radius: 0;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.article-author { display: flex; align-items: center; gap: 10px; }

.author-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-text);
}

.author-name { font-size: 13px; font-weight: 500; color: var(--text-body); }
.meta-sep    { width: 1px; height: 16px; background: var(--border); }
.meta-date,
.meta-read   { font-family: var(--font-mono); font-size: 11px; color: var(--text-hint); }

.share-btns  { display: flex; gap: 8px; margin-left: auto; }
.share-btn {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-hint);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 3px;
  cursor: pointer;
  letter-spacing: 0.08em;
  transition: border-color 0.15s, color 0.15s;
}
.share-btn:hover { border-color: var(--border-mid); color: var(--text-body); }

/* CORPS ARTICLE */
.article-body {
  display: grid;
  grid-template-columns: 200px 1fr;
  max-width: 1000px;
  margin: 0 auto;
  padding-bottom: 60px;
}

.article-toc { padding: 32px 24px 0 40px; }

.toc-inner { position: sticky; top: 72px; }

.toc-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--border-mid);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.toc-label::before { content: '// '; }

.toc-link {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-hint);
  padding: 5px 0 5px 10px;
  border-left: 2px solid var(--border);
  line-height: 1.4;
  transition: all 0.15s;
  display: block;
  text-decoration: none;
  margin-bottom: 2px;
}
.toc-link:hover,
.toc-link.active { color: var(--accent); border-left-color: var(--accent); }
.toc-link.active { font-weight: 700; }
.toc-link.sub    { padding-left: 20px; font-size: 10px; }

.article-content { padding: 36px 40px 0; max-width: 680px; }

.article-content h2 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 36px 0 14px;
}

.article-content h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-body);
  letter-spacing: 0.06em;
  margin: 28px 0 10px;
  text-transform: uppercase;
}

.article-content p {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.85;
  margin-bottom: 18px;
}

.article-content ul,
.article-content ol {
  padding-left: 1.5rem;
  margin-bottom: 18px;
  color: var(--text-body);
  line-height: 1.8;
}

/* BLOCS SPÉCIAUX */
.block-key {
  background: var(--bg-hover);
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
  border-radius: 0 4px 4px 0;
  margin: 24px 0;
}
.block-key-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.block-key p { font-size: 13px; color: var(--text-body); line-height: 1.7; margin: 0; }

.block-quote { margin: 28px 0; padding: 20px 24px; border-left: 3px solid var(--border); }
.block-quote p {
  font-family: var(--font-serif);
  font-size: 17px;
  font-style: italic;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0 0 8px;
}
.block-quote cite { font-family: var(--font-mono); font-size: 10px; color: var(--text-hint); letter-spacing: 0.1em; }

.block-code {
  background: #1a1a18;
  border-radius: 6px;
  padding: 18px 20px;
  margin: 24px 0;
  overflow-x: auto;
}
.block-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.code-lang { font-family: var(--font-mono); font-size: 9px; color: #39ff9a; letter-spacing: 0.16em; text-transform: uppercase; opacity: 0.6; }
.code-copy { font-family: var(--font-mono); font-size: 9px; color: #555; letter-spacing: 0.1em; cursor: pointer; background: none; border: none; transition: color 0.15s; }
.code-copy:hover { color: #aaa; }
.block-code pre { font-family: var(--font-mono); font-size: 13px; color: #e0e0de; line-height: 1.7; margin: 0; white-space: pre-wrap; word-break: break-word; }
.block-code pre code { background: none; padding: 0; color: inherit; }

.block-warn {
  background: #fdf3d8;
  border-left: 3px solid #d4a012;
  padding: 14px 18px;
  border-radius: 0 4px 4px 0;
  margin: 24px 0;
}
.block-warn-label { font-family: var(--font-mono); font-size: 9px; color: #8a6200; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 6px; }
.block-warn p { font-size: 13px; color: #6a4e00; line-height: 1.65; margin: 0; }

code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--accent-text);
}

/* ============================================================
   PIED D'ARTICLE
   ============================================================ */
.article-footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 40px;
  border-top: 1px solid var(--border);
}

.article-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }

.article-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 2px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s;
}
.article-tag:hover { color: var(--accent); border-color: #b8e8cc; text-decoration: none; }

/* ARTICLES SUIVANTS */
.next-articles { border-top: 1px solid var(--border); background: var(--bg-alt); }

.next-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
}

.next-card {
  padding: 20px 28px;
  border-right: 1px solid var(--border);
  transition: background 0.15s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.next-card:last-child { border-right: none; }
.next-card:hover { background: var(--bg-hover); text-decoration: none; }

.next-cat { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); opacity: 0.7; margin-bottom: 7px; }
.next-title { font-size: 13px; font-weight: 500; color: var(--text-muted); line-height: 1.4; margin-bottom: 7px; }
.next-card:hover .next-title { color: var(--text-primary); }
.next-meta { font-family: var(--font-mono); font-size: 10px; color: var(--border-mid); }

/* ============================================================
   FOOTER
   ============================================================ */
#site-footer {
  border-top: 1px solid var(--border);
  padding: 16px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-alt);
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}
.footer-logo span { color: var(--accent); }

.footer-links { display: flex; gap: 24px; }
.footer-links a { font-family: var(--font-mono); font-size: 10px; color: var(--border-mid); text-decoration: none; letter-spacing: 0.1em; }
.footer-links a:hover { color: var(--text-body); }

.footer-stat { font-family: var(--font-mono); font-size: 10px; color: var(--border); }
.footer-stat span { color: var(--accent); opacity: 0.5; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  #site-header { padding: 0 20px; }
  #primary-navigation { display: none; }
  .home-hero { grid-template-columns: 1fr; }
  .hero-main { border-right: none; border-bottom: 1px solid var(--border); }
  .articles-grid { grid-template-columns: 1fr 1fr; }
  .article-body { grid-template-columns: 1fr; }
  .article-toc { display: none; }
  .featured-grid { grid-template-columns: 1fr; }
  .next-grid { grid-template-columns: 1fr; }
  #site-footer { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 600px) {
  .articles-grid { grid-template-columns: 1fr; }
  .article-card:nth-child(3n) { border-right: 1px solid var(--border); }
  .article-header,
  .article-footer { padding: 24px 20px; }
  .article-content { padding: 24px 20px 0; }
  .hero-main { padding: 24px 20px; }
}