/* chat-gpt-5.ai — TECH DARK MODE / MAGAZINE FLOWING / curseur personnalisé */
@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700;800;900&family=Geist+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #0a0a0a;
  --bg-elev: #141414;
  --bg-card: #1a1a1a;
  --bg-hover: #202020;
  --border: #262626;
  --border-strong: #383838;
  --text: #f5f5f5;
  --text-muted: #a3a3a3;
  --text-faint: #525252;
  --accent: #10b981;
  --accent-hover: #34d399;
  --accent-dark: #059669;
  --accent-soft: rgba(16,185,129,0.12);
  --accent-glow: rgba(16,185,129,0.35);
  --warning: #f59e0b;
  --danger: #ef4444;
  --ff-sans: 'Geist', system-ui, -apple-system, sans-serif;
  --ff-mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --container: 1240px;
  --container-narrow: 880px;
  --radius: 4px;
  --radius-lg: 8px;
  --tr: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 180ms;
  --t-med: 320ms;
  --t-slow: 520ms;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.5);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.6);
  --shadow-accent: 0 8px 30px rgba(16,185,129,0.25);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--ff-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  cursor: none;
}

/* curseur thématique perso */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  mix-blend-mode: difference;
  will-change: transform;
}
.cursor-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  transform: translate(-50%, -50%);
  transition: width var(--t-fast) var(--tr), height var(--t-fast) var(--tr);
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 1.5px solid var(--accent);
  transform: translate(-50%, -50%);
  transition: width var(--t-med) var(--tr), height var(--t-med) var(--tr), border-color var(--t-fast);
}
body.hovering .cursor-dot { width: 14px; height: 14px; }
body.hovering .cursor-ring { width: 56px; height: 56px; border-color: var(--accent-hover); }

@media (max-width: 900px), (hover: none) {
  body { cursor: auto; }
  .cursor-dot, .cursor-ring { display: none; }
}

/* selection */
::selection { background: var(--accent); color: #000; }
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 6px; border: 3px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

/* typo */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-sans);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.022em;
  color: var(--text);
}
h1 { font-size: clamp(2.4rem, 5.4vw, 4.6rem); font-weight: 800; letter-spacing: -0.035em; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); }
h3 { font-size: clamp(1.4rem, 2.4vw, 1.85rem); }
h4 { font-size: 1.25rem; }

p { color: var(--text-muted); font-size: 1.05rem; max-width: 70ch; }
.lead { font-size: 1.2rem; color: var(--text); font-weight: 400; }

a { color: var(--accent); text-decoration: none; transition: color var(--t-fast) var(--tr); }
a:hover { color: var(--accent-hover); }

code, pre { font-family: var(--ff-mono); font-size: 0.92em; }
code { background: var(--bg-elev); padding: 2px 6px; border-radius: 3px; color: var(--accent); border: 1px solid var(--border); }
pre { background: var(--bg-elev); padding: 20px; border-radius: var(--radius-lg); border: 1px solid var(--border); overflow-x: auto; }

img { max-width: 100%; height: auto; display: block; }

/* container */
.container { max-width: var(--container); margin: 0 auto; padding: 0 32px; }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 32px; }
@media (max-width: 720px) { .container, .container-narrow { padding: 0 20px; } }

/* announcement ticker */
.ticker-wrap {
  background: var(--accent);
  color: #000;
  overflow: hidden;
  border-bottom: 1px solid #000;
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 9px 0;
  position: relative;
}
.ticker-wrap::before, .ticker-wrap::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 80px; z-index: 2;
  pointer-events: none;
}
.ticker-wrap::before { left: 0; background: linear-gradient(to right, var(--accent), transparent); }
.ticker-wrap::after { right: 0; background: linear-gradient(to left, var(--accent), transparent); }
.ticker {
  display: flex;
  white-space: nowrap;
  animation: ticker 45s linear infinite;
  width: max-content;
}
.ticker span { padding: 0 26px; display: inline-flex; align-items: center; gap: 14px; }
.ticker span::before { content: '◆'; font-size: 0.6rem; opacity: 0.7; }
@keyframes ticker { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.78);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: all var(--t-med) var(--tr);
}
.site-header.scrolled { background: rgba(10,10,10,0.94); box-shadow: 0 8px 24px rgba(0,0,0,0.4); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  white-space: nowrap;
}
.logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  background: var(--accent);
  color: #000;
  border-radius: var(--radius);
  font-weight: 800;
  font-family: var(--ff-mono);
  transition: transform var(--t-med) var(--tr), background var(--t-fast);
}
.logo:hover .logo-mark { transform: rotate(-8deg) scale(1.08); background: var(--accent-hover); }
.logo-text { color: var(--text); }
.logo-dot { color: var(--accent); }

.main-nav { display: flex; align-items: center; gap: 2px; flex-wrap: nowrap; }
.dyn-cats-nav { display: inline-flex; align-items: center; gap: 2px; }
.main-nav a {
  display: inline-block;
  padding: 8px 10px;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  position: relative;
  transition: color var(--t-fast);
  white-space: nowrap;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 10px; right: 10px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--t-med) var(--tr);
}
.main-nav a:hover, .main-nav a.active { color: var(--text); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.main-nav .has-mega { position: relative; }
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  min-width: 480px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-med) var(--tr), visibility var(--t-med), transform var(--t-med) var(--tr);
  box-shadow: var(--shadow-lg);
  z-index: 110;
}
.main-nav .has-mega:hover .mega-menu {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.mega-menu a {
  padding: 10px 12px;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-radius: var(--radius);
  transition: background var(--t-fast), color var(--t-fast);
}
.mega-menu a::after { display: none; }
.mega-menu a:hover { background: var(--bg-hover); color: var(--accent); }
.mega-menu-wide {
  min-width: 540px;
  padding: 14px;
}
.mega-menu-wide a {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-start;
}
.mega-menu-wide a strong {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.mega-menu-wide a span {
  color: var(--text-muted);
  font-size: 0.82rem;
}
.mega-menu-wide a:hover strong { color: var(--accent); }
.mega-caret {
  font-size: 0.7rem;
  margin-left: 2px;
  display: inline-block;
  transition: transform var(--t-fast);
}
.has-mega:hover .mega-caret { transform: rotate(180deg); }

/* Nav items "highlighted" — outil et autres pages-clés en avant */
.main-nav a.nav-highlight {
  color: var(--text);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 7px 13px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  transition: all var(--t-med) var(--tr);
}
.main-nav a.nav-highlight::after { display: none; }
.main-nav a.nav-highlight:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}
.main-nav a.nav-highlight .nav-ico {
  font-size: 0.78rem;
  line-height: 1;
  color: var(--accent);
}
.main-nav a.nav-highlight.nav-accent {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}
.main-nav a.nav-highlight.nav-accent:hover {
  background: var(--accent);
  color: #000;
}
.main-nav a.nav-highlight.nav-accent:hover .nav-ico { color: #000; }

.header-tools { display: flex; align-items: center; gap: 10px; }
.search-toggle, .menu-toggle {
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius);
  cursor: none;
  transition: all var(--t-fast) var(--tr);
}
.search-toggle:hover, .menu-toggle:hover { color: var(--accent); border-color: var(--accent); }
.menu-toggle { display: none; }

.search-dropdown {
  position: absolute;
  top: 100%;
  right: 32px;
  margin-top: 8px;
  width: 340px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px;
  opacity: 0; visibility: hidden;
  transform: translateY(-6px);
  transition: all var(--t-med) var(--tr);
  box-shadow: var(--shadow-lg);
}
.search-dropdown.open { opacity: 1; visibility: visible; transform: translateY(0); }
.search-dropdown input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--ff-mono);
  font-size: 0.92rem;
}
.search-dropdown input:focus { outline: none; border-color: var(--accent); }

/* boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  font-family: var(--ff-sans);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: -0.005em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: none;
  white-space: nowrap;
  transition: all var(--t-med) var(--tr);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.18) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform var(--t-slow) var(--tr);
}
.btn:hover::before { transform: translateX(100%); }
.btn-primary {
  background: var(--accent);
  color: #000;
  font-weight: 600;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: var(--shadow-accent); color: #000; }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  padding: 10px 14px;
  font-size: 0.88rem;
}
.btn-ghost:hover { color: var(--accent); }
.btn-discrete {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--text-muted);
  font-family: var(--ff-mono);
  font-size: 0.82rem;
  text-decoration: none;
  letter-spacing: 0.02em;
}
.btn-discrete::after { content: '→'; transition: transform var(--t-fast); }
.btn-discrete:hover { color: var(--accent); }
.btn-discrete:hover::after { transform: translateX(4px); }
.btn-sm { padding: 8px 14px; font-size: 0.85rem; }
.btn-lg { padding: 16px 28px; font-size: 1.05rem; }

/* bouton header "Toutes les dépêches" — design renforcé */
.btn-feed {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 18px 9px 14px;
  font-family: var(--ff-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  background: linear-gradient(135deg, rgba(16,185,129,0.22), rgba(16,185,129,0.06));
  border: 1px solid var(--accent);
  border-radius: 50px;
  text-decoration: none;
  cursor: none;
  overflow: hidden;
  white-space: nowrap;
  transition: all var(--t-med) var(--tr);
  box-shadow: 0 0 0 0 var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.05);
}
.btn-feed::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(16,185,129,0.45) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform var(--t-slow) var(--tr);
}
.btn-feed:hover {
  color: #000;
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(16,185,129,0.5), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-feed:hover::before { transform: translateX(100%); }
.btn-feed .feed-dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  position: relative;
  flex: 0 0 auto;
  box-shadow: 0 0 0 0 var(--accent-glow);
  animation: feed-pulse 1.8s ease-in-out infinite;
}
.btn-feed:hover .feed-dot { background: #000; animation: none; box-shadow: none; }
@keyframes feed-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.75); }
  50% { box-shadow: 0 0 0 7px rgba(16,185,129,0); }
}
.btn-feed .feed-arrow {
  display: inline-block;
  transition: transform var(--t-med) var(--tr);
  font-size: 0.95rem;
  line-height: 1;
}
.btn-feed:hover .feed-arrow { transform: translateX(4px); }
@media (max-width: 1180px) {
  .btn-feed .feed-label-long { display: none; }
}
@media (max-width: 720px) {
  .btn-feed { padding: 8px 12px; font-size: 0.7rem; }
}

/* hero */
.hero-narrative {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}
.hero-narrative::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 40%, rgba(16,185,129,0.08), transparent 60%);
  pointer-events: none;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 22px;
  padding: 6px 12px;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 50px;
}
.hero-eyebrow .pulse-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 1.6s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { opacity: 0.5; box-shadow: 0 0 0 8px transparent; }
}
.hero-title {
  font-size: clamp(2.6rem, 6.2vw, 5.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.02;
  margin-bottom: 28px;
  max-width: 18ch;
}
.hero-title .accent { color: var(--accent); font-style: italic; font-weight: 700; }
.hero-subtitle {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--text-muted);
  max-width: 56ch;
  margin-bottom: 38px;
  line-height: 1.55;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-family: var(--ff-mono);
  font-size: 0.8rem;
  color: var(--text-faint);
  letter-spacing: 0.05em;
  flex-wrap: wrap;
}
.hero-meta strong { color: var(--text-muted); font-weight: 500; }

/* manifesto / story */
.section { padding: 100px 0; position: relative; }
.section-eyebrow {
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: inline-flex; align-items: center; gap: 12px;
}
.section-eyebrow::before {
  content: ''; width: 32px; height: 1px; background: var(--accent); display: inline-block;
}
.section-title {
  margin-bottom: 24px;
  max-width: 22ch;
}
.section-intro {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 62ch;
  margin-bottom: 56px;
}
.section-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-strong), transparent);
  margin: 0;
}

/* story */
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.story-text p { margin-bottom: 18px; font-size: 1.05rem; }
.story-text p:first-of-type::first-letter {
  font-size: 4.5rem;
  font-weight: 700;
  float: left;
  line-height: 0.9;
  margin: 8px 12px 0 0;
  color: var(--accent);
  font-family: var(--ff-mono);
}
.story-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.story-visual img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/5; }
.story-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 20px;
  background: linear-gradient(to top, rgba(0,0,0,0.92), transparent);
  font-family: var(--ff-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
@media (max-width: 900px) {
  .story-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* manifesto numbered */
.manifesto-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.manifesto-item {
  background: var(--bg-elev);
  padding: 36px 30px;
  transition: background var(--t-med) var(--tr);
  position: relative;
}
.manifesto-item:hover { background: var(--bg-hover); }
.manifesto-num {
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}
.manifesto-item h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.manifesto-item p { font-size: 0.96rem; color: var(--text-muted); }
@media (max-width: 720px) { .manifesto-grid { grid-template-columns: 1fr; } }

/* articles */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
@media (max-width: 1000px) { .articles-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; } }
@media (max-width: 640px) { .articles-grid { grid-template-columns: 1fr; gap: 24px; } }
.article-card {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--t-med) var(--tr), transform var(--t-med) var(--tr);
  display: flex; flex-direction: column;
}
.article-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}
.article-card:hover .article-card-img img { transform: scale(1.06); }
.article-card:hover .article-card-title { color: var(--accent); }
.article-card-img {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-elev);
  position: relative;
}
.article-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow) var(--tr);
}
.article-card-img-placeholder {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--bg-elev), var(--bg-card));
  display: flex; align-items: center; justify-content: center;
  color: var(--text-faint);
  font-family: var(--ff-mono);
  font-size: 2rem;
}
.article-card-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.article-card-cat {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.article-card-title {
  font-size: 1.22rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 12px;
  letter-spacing: -0.015em;
  transition: color var(--t-fast);
}
.article-card-title a { color: var(--text); }
.article-card-excerpt {
  color: var(--text-muted);
  font-size: 0.93rem;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--ff-mono);
  font-size: 0.76rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.article-card-meta .author-mini {
  width: 22px; height: 22px;
  border-radius: 50%;
  object-fit: cover;
}

/* skeleton loaders */
.skeleton {
  background: linear-gradient(90deg, var(--bg-elev) 0%, var(--bg-hover) 50%, var(--bg-elev) 100%);
  background-size: 200% 100%;
  animation: skeleton 1.5s ease-in-out infinite;
  border-radius: var(--radius);
}
@keyframes skeleton { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* categories */
.categories-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .categories-row { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .categories-row { grid-template-columns: 1fr; } }
.cat-card {
  padding: 24px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--t-med) var(--tr);
  display: block;
  position: relative;
  overflow: hidden;
}
.cat-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-med) var(--tr);
}
.cat-card:hover { background: var(--bg-hover); border-color: var(--border-strong); transform: translateY(-3px); }
.cat-card:hover::before { transform: scaleX(1); }
.cat-card-num {
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-bottom: 12px;
}
.cat-card h3 { font-size: 1.15rem; margin-bottom: 8px; color: var(--text); letter-spacing: -0.015em; }
.cat-card p { font-size: 0.88rem; color: var(--text-muted); }
.cat-card .cat-arrow { display: inline-block; margin-top: 14px; color: var(--accent); font-family: var(--ff-mono); font-size: 0.85rem; }

/* SEO long content */
.seo-content {
  max-width: 760px;
  margin: 0 auto;
}
.seo-content h2 { margin-top: 56px; margin-bottom: 18px; }
.seo-content h2:first-child { margin-top: 0; }
.seo-content h3 { margin-top: 32px; margin-bottom: 14px; color: var(--text); font-size: 1.3rem; }
.seo-content p { margin-bottom: 18px; font-size: 1.04rem; line-height: 1.75; color: var(--text-muted); }
.seo-content ul, .seo-content ol { margin: 16px 0 24px 18px; color: var(--text-muted); }
.seo-content ul li, .seo-content ol li { margin-bottom: 10px; font-size: 1.02rem; line-height: 1.7; }
.seo-content ul li::marker { color: var(--accent); }
.seo-content blockquote {
  margin: 32px 0;
  padding: 20px 28px;
  border-left: 3px solid var(--accent);
  background: var(--bg-elev);
  color: var(--text);
  font-style: italic;
  font-size: 1.08rem;
}
.seo-content a { color: var(--accent); border-bottom: 1px solid var(--accent-soft); }
.seo-content a:hover { border-bottom-color: var(--accent); }
.seo-content strong { color: var(--text); font-weight: 600; }

/* fondateur card */
.founder-block {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 50px;
  padding: 56px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  align-items: center;
}
.founder-photo {
  aspect-ratio: 1/1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.founder-photo img { width: 100%; height: 100%; object-fit: cover; }
.founder-name { font-size: 1.7rem; margin-bottom: 6px; }
.founder-title { font-family: var(--ff-mono); font-size: 0.85rem; color: var(--accent); letter-spacing: 0.04em; margin-bottom: 18px; }
.founder-bio { font-size: 1rem; color: var(--text-muted); margin-bottom: 22px; }
@media (max-width: 720px) {
  .founder-block { grid-template-columns: 1fr; padding: 32px 24px; gap: 28px; }
  .founder-photo { max-width: 220px; }
}

/* newsletter */
.newsletter {
  text-align: center;
  padding: 80px 32px;
  background: linear-gradient(135deg, var(--bg-elev), var(--bg-card));
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.newsletter h2 { margin-bottom: 14px; }
.newsletter p { margin: 0 auto 28px; max-width: 50ch; }
.newsletter-form {
  display: flex;
  gap: 10px;
  max-width: 480px;
  margin: 0 auto;
}
.newsletter-form input {
  flex: 1;
  padding: 13px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--ff-mono);
  font-size: 0.92rem;
}
.newsletter-form input:focus { outline: none; border-color: var(--accent); }
@media (max-width: 540px) {
  .newsletter-form { flex-direction: column; }
}

/* footer */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 70px 0 30px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 56px;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; } }
@media (max-width: 540px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; } }
.footer-about p { font-size: 0.92rem; color: var(--text-muted); margin-top: 18px; max-width: 38ch; }
.footer-col h4 {
  font-family: var(--ff-mono);
  font-size: 0.76rem;
  color: var(--text-faint);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: var(--text-muted);
  font-size: 0.92rem;
  transition: color var(--t-fast);
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  padding-top: 26px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  letter-spacing: 0.05em;
}

/* breadcrumb */
.breadcrumb {
  font-family: var(--ff-mono);
  font-size: 0.8rem;
  color: var(--text-faint);
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }

/* article page */
.article-page {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 60px;
  margin: 60px 0;
}
@media (max-width: 1000px) { .article-page { grid-template-columns: 1fr; } }
.article-header { margin-bottom: 40px; }
.article-category {
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
  display: inline-block;
}
.article-header h1 { margin-bottom: 22px; font-size: clamp(1.9rem, 4vw, 2.9rem); }
.article-meta {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--ff-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-top: 18px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.article-meta .author-pic {
  width: 38px; height: 38px;
  border-radius: 50%;
  object-fit: cover;
}
.article-featured {
  width: 100%;
  margin: 30px 0 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.article-body { font-size: 1.05rem; line-height: 1.75; color: var(--text-muted); }
.article-body p { margin-bottom: 20px; max-width: none; }
.article-body h2 { margin: 42px 0 18px; }
.article-body h3 { margin: 30px 0 14px; }
.article-body ul, .article-body ol { margin: 18px 0 24px 24px; }
.article-body li { margin-bottom: 10px; }
.article-body img { margin: 30px 0; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.article-body blockquote {
  margin: 32px 0;
  padding: 22px 30px;
  border-left: 3px solid var(--accent);
  background: var(--bg-elev);
  color: var(--text);
  font-style: italic;
}
.article-body a { color: var(--accent); border-bottom: 1px solid var(--accent-soft); }
.article-body strong { color: var(--text); }
.article-cta { margin-top: 50px; padding-top: 30px; border-top: 1px solid var(--border); }

.article-sidebar { position: sticky; top: 100px; align-self: start; }
.sidebar-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}
.sidebar-card h4 {
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.sidebar-author { text-align: center; }
.sidebar-author img {
  width: 80px; height: 80px;
  border-radius: 50%;
  margin: 0 auto 14px;
  object-fit: cover;
}
.sidebar-author .name { font-weight: 600; margin-bottom: 4px; color: var(--text); }
.sidebar-author .role { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 14px; }
.sidebar-cats ul { list-style: none; }
.sidebar-cats li { margin-bottom: 10px; }
.sidebar-cats a {
  display: flex; justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 4px 0;
}
.sidebar-cats a span:last-child { color: var(--text-faint); font-family: var(--ff-mono); font-size: 0.8rem; }
.sidebar-cats a:hover { color: var(--accent); }

/* category page hero */
.category-hero {
  padding: 70px 0 50px;
  border-bottom: 1px solid var(--border);
}
.category-hero h1 { margin-bottom: 16px; }
.category-hero p { font-size: 1.15rem; max-width: 60ch; }
.category-meta {
  display: inline-flex; gap: 16px; align-items: center;
  font-family: var(--ff-mono);
  font-size: 0.82rem;
  color: var(--text-faint);
  margin-top: 22px;
}

/* tool */
.tool-wrap {
  max-width: 880px;
  margin: 0 auto;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.tool-wrap label {
  display: block;
  font-family: var(--ff-mono);
  font-size: 0.85rem;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.tool-wrap textarea, .tool-wrap select, .tool-wrap input[type="number"] {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--ff-mono);
  font-size: 0.92rem;
  margin-bottom: 22px;
  resize: vertical;
}
.tool-wrap textarea { min-height: 160px; }
.tool-wrap textarea:focus, .tool-wrap select:focus, .tool-wrap input:focus { outline: none; border-color: var(--accent); }
.tool-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 600px) { .tool-row { grid-template-columns: 1fr; } }
.tool-result {
  margin-top: 30px;
  padding: 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.tool-result h3 { font-family: var(--ff-mono); font-size: 1rem; color: var(--accent); margin-bottom: 18px; }
.tool-result-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 600px) { .tool-result-grid { grid-template-columns: 1fr; } }
.tool-stat {
  padding: 18px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.tool-stat-label { font-family: var(--ff-mono); font-size: 0.75rem; color: var(--text-faint); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 6px; }
.tool-stat-value { font-family: var(--ff-mono); font-size: 1.6rem; color: var(--text); font-weight: 600; }
.tool-stat-value.accent { color: var(--accent); }

/* jotform */
.jotform-container { max-width: 700px; margin: 60px auto; padding: 20px; }

/* back-to-top */
#back-to-top {
  position: fixed;
  right: 28px; bottom: 28px;
  width: 46px; height: 46px;
  background: var(--accent);
  color: #000;
  border: 0;
  border-radius: var(--radius);
  cursor: none;
  font-size: 1.3rem;
  font-weight: 700;
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: all var(--t-med) var(--tr);
  z-index: 90;
  box-shadow: var(--shadow-accent);
}
#back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
#back-to-top:hover { background: var(--accent-hover); transform: translateY(-3px); }

/* reading progress */
.read-progress {
  position: fixed; top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  width: 0;
  z-index: 200;
  transition: width 100ms linear;
}

/* mobile burger drawer */
@media (max-width: 1100px) {
  .main-nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(80vw, 320px);
    background: var(--bg);
    padding: 84px 20px 30px;
    border-left: 1px solid var(--border);
    z-index: 105;
    overflow-y: auto;
    animation: slidein var(--t-med) var(--tr);
  }
  .main-nav.open a { padding: 14px 12px; font-size: 1rem; border-bottom: 1px solid var(--border); }
  .main-nav.open .mega-menu { display: none; }
  @keyframes slidein { from { transform: translateX(100%); } to { transform: translateX(0); } }
  .nav-overlay { display: none; }
  .nav-overlay.show {
    display: block;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 104;
  }
}

/* scroll-triggered animations */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity var(--t-slow) var(--tr), transform var(--t-slow) var(--tr); }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* featured article block */
.featured-article {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 50px;
  align-items: center;
  padding: 50px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 60px;
}
.featured-article img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius); }
.featured-article .featured-tag {
  display: inline-block;
  font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 5px 12px;
  background: var(--accent); color: #000;
  border-radius: 50px;
  margin-bottom: 18px;
}
.featured-article h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 18px; }
.featured-article p { margin-bottom: 22px; }
@media (max-width: 900px) {
  .featured-article { grid-template-columns: 1fr; padding: 32px 24px; gap: 28px; }
}

/* sitemap */
.sitemap-block { margin-bottom: 40px; }
.sitemap-block h2 { font-size: 1.2rem; margin-bottom: 14px; }
.sitemap-block ul { list-style: none; padding-left: 12px; border-left: 1px solid var(--border); }
.sitemap-block li { padding: 6px 0; }
.sitemap-block a { color: var(--text-muted); font-family: var(--ff-mono); font-size: 0.93rem; }
.sitemap-block a:hover { color: var(--accent); }

/* utilities */
.text-mono { font-family: var(--ff-mono); }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 12px; } .mt-2 { margin-top: 24px; } .mt-3 { margin-top: 36px; }
.flex { display: flex; } .flex-wrap { flex-wrap: wrap; } .gap-1 { gap: 12px; }

/* counters statistics */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 50px 0;
}
@media (max-width: 720px) { .stats-row { grid-template-columns: repeat(2, 1fr); } }
.stat-card {
  padding: 32px 24px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
}
.stat-num {
  font-family: var(--ff-mono);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 10px;
}
.stat-label { font-size: 0.92rem; color: var(--text-muted); letter-spacing: 0.02em; }

/* Comparateur LLM */
.llm-cmp {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.llm-cmp-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.llm-cmp-controls {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.llm-cmp-controls label {
  font-family: var(--ff-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.llm-preset {
  padding: 10px 16px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--ff-mono);
  font-size: 0.9rem;
  min-width: 260px;
  cursor: none;
}
.llm-preset:focus { outline: none; border-color: var(--accent); }
.llm-cmp-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.llm-card {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 22px;
  align-items: center;
  padding: 20px 22px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--t-fast), transform var(--t-fast) var(--tr);
}
.llm-card:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.llm-card.top {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(16,185,129,0.10), transparent 60%);
}
.llm-rank {
  font-family: var(--ff-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-faint);
  text-align: center;
  letter-spacing: -0.04em;
}
.llm-card.top .llm-rank { color: var(--accent); }
.llm-info { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.llm-name {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.llm-best {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 9px;
  background: var(--accent);
  color: #000;
  border-radius: 50px;
  font-weight: 700;
}
.llm-vendor {
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
.llm-score-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  align-items: center;
  gap: 14px;
  margin-top: 6px;
}
.llm-score {
  font-family: var(--ff-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.llm-score small { font-size: 0.7rem; color: var(--text-faint); font-weight: 500; letter-spacing: 0; }
.llm-bar {
  height: 8px;
  background: var(--bg-elev);
  border-radius: 50px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.llm-bar-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--text-faint), var(--text-muted));
  transition: width var(--t-slow) var(--tr);
}
.llm-bar-fill.accent {
  background: linear-gradient(90deg, var(--accent-dark), var(--accent), var(--accent-hover));
}
.llm-meta {
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  margin-top: 4px;
}
.llm-meta strong { color: var(--text); font-weight: 600; }
@media (max-width: 720px) {
  .llm-cmp { padding: 22px 18px; }
  .llm-cmp-header { flex-direction: column; align-items: stretch; gap: 14px; }
  .llm-preset { min-width: 0; width: 100%; }
  .llm-card { grid-template-columns: 48px 1fr; gap: 14px; padding: 16px; }
  .llm-rank { font-size: 1.3rem; }
  .llm-score-row { grid-template-columns: 72px 1fr; }
  .llm-name { font-size: 1.02rem; }
}

/* barre filtre articles */
.art-filter-bar {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 14px;
  margin-bottom: 36px;
  padding: 18px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.art-filter-bar input[type="search"],
.art-filter-bar select {
  padding: 11px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--ff-mono);
  font-size: 0.9rem;
}
.art-filter-bar input[type="search"]:focus,
.art-filter-bar select:focus {
  outline: none;
  border-color: var(--accent);
}
@media (max-width: 720px) {
  .art-filter-bar { grid-template-columns: 1fr; gap: 10px; padding: 14px; }
}