/* ============================================================
   Tech etc.. — Feuille de style principale
   Thème : dark terminal · tech + musique
   ============================================================ */

/* === VARIABLES ================================================ */
:root {
  --bg:           #0d1117;
  --bg-card:      #161b22;
  --bg-hover:     #21262d;
  --border:       #30363d;
  --text:         #e6edf3;
  --text-muted:   #7d8590;
  --accent:       #58a6ff;
  --accent-green: #3fb950;
  --accent-orange:#d29922;
  --accent-red:   #f85149;
  --accent-purple:#bc8cff;
  --accent-music: #ff825c;
  --font-sans:    'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;
  --radius:       8px;
  --radius-sm:    5px;
  --shadow:       0 2px 8px rgba(0,0,0,0.4);
  --transition:   0.2s ease;
}

/* === RESET ==================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); text-decoration: underline; }
img { max-width: 100%; height: auto; border-radius: var(--radius); display: block; }
code, pre, kbd { font-family: var(--font-mono); }
ul, ol { list-style-position: outside; }

/* === CONTENEUR ================================================ */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

/* === EN-TÊTE ================================================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(13,17,23,0.93);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.logo:hover { text-decoration: none; color: var(--text); }
.logo-dots { color: var(--accent); }

nav { display: flex; align-items: center; gap: 1.75rem; }
nav a {
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
}
nav a:hover, nav a.active { color: var(--accent); text-decoration: none; }

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1rem;
}

/* === HERO ===================================================== */
.hero {
  padding: 4.5rem 0 3.5rem;
  border-bottom: 1px solid var(--border);
}
.hero-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.hero-label::before {
  content: '';
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.1rem;
  max-width: 680px;
}
.hero h1 em { color: var(--accent-music); font-style: normal; }
.hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 1.75rem;
  line-height: 1.7;
}
.hero-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  padding: 0.25rem 0.65rem;
  border-radius: 99px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: border-color var(--transition), color var(--transition);
}
.tag:hover { border-color: var(--accent); color: var(--accent); }

/* === MISE EN PAGE ============================================= */
main { flex: 1; }
.page-layout {
  display: grid;
  grid-template-columns: 1fr 290px;
  gap: 2.5rem;
  padding: 3rem 0 4rem;
  align-items: start;
}

/* === SECTION ARTICLES ========================================= */
.articles-section h2 {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.articles-section h2::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.articles-list { display: flex; flex-direction: column; gap: 1rem; }

/* === CARTE ARTICLE ============================================ */
.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.article-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.article-card-inner { padding: 1.25rem 1.5rem; }
.article-card-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}
.article-date {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--text-muted);
}
.article-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.35;
}
.article-card h3 a { color: var(--text); }
.article-card h3 a:hover { color: var(--accent); text-decoration: none; }
.article-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
  color: var(--accent);
  margin-top: 0.8rem;
  font-weight: 500;
  transition: gap var(--transition);
}
.read-more:hover { gap: 0.5rem; text-decoration: none; }
.read-more::after { content: '→'; }

/* === BADGES CATÉGORIES ======================================== */
.badge {
  display: inline-block;
  font-size: 0.67rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 0.18rem 0.5rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.cat-cybersec  { background: rgba(248,81,73,.12);  color: #f85149; border: 1px solid rgba(248,81,73,.25); }
.cat-formation { background: rgba(88,166,255,.1);  color: #58a6ff; border: 1px solid rgba(88,166,255,.25); }
.cat-lab       { background: rgba(63,185,80,.1);   color: #3fb950; border: 1px solid rgba(63,185,80,.25); }
.cat-project   { background: rgba(188,140,255,.1); color: #bc8cff; border: 1px solid rgba(188,140,255,.25); }
.cat-dev       { background: rgba(210,153,34,.1);  color: #d29922; border: 1px solid rgba(210,153,34,.25); }
.cat-musique   { background: rgba(255,130,92,.1);  color: #ff825c; border: 1px solid rgba(255,130,92,.25); }
.cat-default   { background: rgba(125,133,144,.1); color: #7d8590; border: 1px solid rgba(125,133,144,.25); }

/* === BARRE LATÉRALE ========================================== */
.sidebar { position: sticky; top: 80px; }
.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.sidebar-widget h3 {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}
.author-bio { text-align: center; }
.author-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-purple));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 0.75rem;
}
.author-name { font-weight: 700; font-size: 0.95rem; margin-bottom: 0.3rem; }
.author-desc { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 0.85rem; line-height: 1.5; }
.author-links { display: flex; justify-content: center; gap: 0.4rem; flex-wrap: wrap; }
.author-links a {
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: color var(--transition), border-color var(--transition);
}
.author-links a:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }

.label-cloud { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.label-cloud a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.label-cloud a:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }

.project-promo p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}
.project-promo a { font-size: 0.8rem; color: var(--accent); font-weight: 500; }
.project-promo a:hover { text-decoration: underline; }

/* === PAGE ARTICLE ============================================= */
.article-page { padding: 2.5rem 0 4rem; max-width: 780px; margin: 0 auto; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-bottom: 1.75rem;
}
.back-link::before { content: '←'; }
.back-link:hover { color: var(--accent); text-decoration: none; }

.article-page-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.article-page-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.article-page h1 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  line-height: 1.2;
  font-weight: 700;
}

/* Corps de l'article */
.article-body { font-size: 1rem; line-height: 1.8; }
.article-body h2 { font-size: 1.4rem; font-weight: 700; margin: 2.25rem 0 0.75rem; color: var(--text); }
.article-body h3 { font-size: 1.15rem; font-weight: 600; margin: 1.75rem 0 0.6rem; color: var(--text); }
.article-body h4 { font-size: 1rem; font-weight: 600; margin: 1.25rem 0 0.5rem; color: var(--text); }
.article-body p { margin-bottom: 1.1rem; }
.article-body ul, .article-body ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.article-body li { margin-bottom: 0.4rem; }
.article-body code {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.86em;
  color: var(--accent-green);
}
.article-body pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 1.25rem 0 1.75rem;
}
.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.84rem;
  color: var(--text);
}
.article-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.5rem 1rem;
  color: var(--text-muted);
  margin: 1.25rem 0;
  background: var(--bg-card);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.article-body img {
  margin: 1.75rem auto;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  border: 1px solid var(--border);
}
.article-body .separator { text-align: center; margin: 1.5rem 0; }
.article-body a { color: var(--accent); }
.article-body strong, .article-body b { color: var(--text); font-weight: 600; }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.9rem;
}
.article-body th, .article-body td {
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  text-align: left;
}
.article-body th { background: var(--bg-card); color: var(--text-muted); font-weight: 600; }

/* === PAGE À PROPOS =========================================== */
.about-page { max-width: 780px; margin: 0 auto; padding: 3rem 0 4rem; }
.about-page .page-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.75rem;
}
.about-page h1 { font-size: 2.2rem; margin-bottom: 0.5rem; line-height: 1.2; }
.about-page .lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  line-height: 1.7;
  max-width: 620px;
}
.about-section { margin-bottom: 2.5rem; }
.about-section h2 {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 0.85rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.about-section h2::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.about-section p { color: var(--text-muted); margin-bottom: 0.85rem; line-height: 1.7; }
.about-section ul { padding-left: 1.25rem; color: var(--text-muted); }
.about-section li { margin-bottom: 0.35rem; }

.social-links { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-top: 1rem; }
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.84rem;
  font-weight: 500;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.social-link:hover { border-color: var(--accent); color: var(--accent); background: rgba(88,166,255,0.06); text-decoration: none; }

/* === PAGE ONLYAUDIO ========================================== */
.project-page { padding: 3rem 0 4rem; }
.project-hero {
  background: linear-gradient(135deg, rgba(88,166,255,0.07), rgba(188,140,255,0.07));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem 2.5rem;
  margin-bottom: 2.5rem;
  text-align: center;
}
.project-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-purple);
  margin-bottom: 1rem;
}
.project-hero h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-bottom: 0.85rem; }
.project-hero .tagline {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 2rem;
  line-height: 1.65;
}
.btn-group { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }
.cta-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--accent);
  color: #fff;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background var(--transition), transform var(--transition);
}
.cta-btn:hover { background: #4493e8; text-decoration: none; transform: translateY(-1px); }
.cta-btn-ghost {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9rem;
}
.cta-btn-ghost:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

.section-title {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  display: flex; align-items: center; gap: 0.75rem;
}
.section-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: border-color var(--transition);
}
.feature-card:hover { border-color: var(--accent-purple); }
.feature-icon { font-size: 1.4rem; margin-bottom: 0.6rem; }
.feature-card h3 { font-size: 0.9rem; font-weight: 600; margin-bottom: 0.4rem; color: var(--text); }
.feature-card p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }

.platforms { display: flex; gap: 0.65rem; flex-wrap: wrap; margin: 0.75rem 0 2rem; }
.platform-badge {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.45rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.api-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}
.api-block pre {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--accent-green);
  white-space: pre;
  overflow-x: auto;
}

.stack-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.75rem 0 2rem; }
.stack-item {
  background: rgba(88,166,255,0.08);
  border: 1px solid rgba(88,166,255,0.2);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
}

.contribute-list { padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.contribute-list li {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.contribute-list li::before { content: '→'; color: var(--accent); }

/* === PAGE 404 ================================================= */
.not-found {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 1.5rem;
  flex: 1;
}
.not-found .err-code {
  font-family: var(--font-mono);
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  margin-bottom: 1rem;
}
.not-found h1 { font-size: 1.5rem; margin-bottom: 0.75rem; }
.not-found p { color: var(--text-muted); margin-bottom: 2rem; }
.btn-home {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
}
.btn-home:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* === PIED DE PAGE ============================================= */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  margin-top: auto;
}
.site-footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  text-align: center;
}
.site-footer p { color: var(--text-muted); font-size: 0.84rem; }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; justify-content: center; }
.footer-links a {
  color: var(--text-muted);
  font-size: 0.81rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); text-decoration: none; }
.footer-note { font-size: 0.72rem; color: var(--border); }

/* === RESPONSIVE =============================================== */
@media (max-width: 840px) {
  .page-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; order: -1; }
  .sidebar-widget.author-bio { display: none; } /* masqué sur mobile */
}

@media (max-width: 640px) {
  .menu-toggle { display: block; }
  nav {
    display: none;
    position: absolute;
    top: 60px; left: 0; right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    z-index: 99;
  }
  nav.open { display: flex; }
  .hero { padding: 2.5rem 0 2rem; }
  .hero h1 { font-size: 1.75rem; }
  .article-card-inner { padding: 1rem 1.1rem; }
  .article-page { padding: 1.5rem 0 3rem; }
  .about-page, .project-page { padding: 1.5rem 0 3rem; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .project-hero { padding: 2rem 1.25rem; }
}