*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#06060f;--bg2:#0c0c1d;--card:#111128;--card-hover:#16163a;
  --accent:#7c5cfc;--accent2:#a78bfa;--accent-glow:rgba(124,92,252,.15);
  --text:#e8e8f0;--text-dim:#a0a0b8;--muted:#6b6b80;
  --border:#1a1a35;--border-hover:#2a2a50;
  --red:#ff6b6b;--green:#51cf66;--blue:#339af0;--orange:#ff922b;--pink:#f06595;
  --radius:14px;--radius-sm:8px;
}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--accent2);text-decoration:none;transition:color .2s}
a:hover{color:#fff}
img{max-width:100%;display:block}
::selection{background:var(--accent);color:#fff}

/* Layout */
.container{max-width:1080px;margin:0 auto;padding:0 24px}
.container--narrow{max-width:740px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(6,6,15,.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:0}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-size:1.3rem;font-weight:800;letter-spacing:-.5px}
.logo span{background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{color:var(--text-dim);font-size:.82rem;padding:6px 14px;border-radius:20px;transition:all .2s;font-weight:500}
.nav-links a:hover,.nav-links a.active{color:#fff;background:var(--accent-glow)}

/* Hero */
.hero{position:relative;padding:80px 0 60px;text-align:center;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 40%,rgba(124,92,252,.08) 0%,transparent 50%),radial-gradient(circle at 70% 60%,rgba(167,139,250,.06) 0%,transparent 50%);animation:heroGlow 8s ease-in-out infinite alternate}
@keyframes heroGlow{0%{transform:translate(0,0)}100%{transform:translate(-2%,2%)}}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;letter-spacing:-.02em;line-height:1.15;margin-bottom:16px;position:relative}
.hero h1 .gradient{background:linear-gradient(135deg,var(--accent),var(--accent2),var(--pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-size:200% 200%;animation:gradientShift 4s ease infinite}
@keyframes gradientShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.hero p{color:var(--text-dim);font-size:1.1rem;max-width:560px;margin:0 auto 28px;position:relative}
.hero-stats{display:flex;gap:40px;justify-content:center;position:relative}
.hero-stat{text-align:center}
.hero-stat .num{font-size:1.8rem;font-weight:800;color:var(--accent2)}
.hero-stat .label{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}

/* Section headers */
.section-title{font-size:1.4rem;font-weight:700;margin-bottom:24px;display:flex;align-items:center;gap:10px}
.section-title .icon{font-size:1.1rem}

/* Featured article */
.featured{margin:40px 0;padding:32px;background:linear-gradient(135deg,var(--card),var(--card-hover));border:1px solid var(--border);border-radius:var(--radius);position:relative;overflow:hidden;transition:all .3s}
.featured::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent2),var(--pink))}
.featured:hover{border-color:var(--border-hover);transform:translateY(-2px);box-shadow:0 12px 40px rgba(124,92,252,.1)}
.featured .tag{display:inline-block;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;padding:4px 12px;border-radius:20px;margin-bottom:12px}
.featured h2{font-size:1.5rem;margin-bottom:10px;line-height:1.3}
.featured p{color:var(--text-dim);font-size:.95rem;margin-bottom:14px;max-width:80%}
.featured .meta{font-size:.8rem;color:var(--muted)}
.featured .badge{position:absolute;top:20px;right:20px;font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--accent2);background:var(--accent-glow);padding:4px 10px;border-radius:20px}

/* Cards grid */
.grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:640px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){.grid--3{grid-template-columns:repeat(3,1fr)}}

.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:all .3s;position:relative;display:flex;flex-direction:column}
.card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 8px 30px rgba(124,92,252,.08)}
.card .tag{display:inline-block;font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;padding:3px 10px;border-radius:12px;margin-bottom:10px;width:fit-content}
.tag--agents{color:var(--accent2);background:rgba(124,92,252,.12)}
.tag--trading{color:var(--green);background:rgba(81,207,102,.1)}
.tag--outils{color:var(--blue);background:rgba(51,154,240,.1)}
.tag--revenus{color:var(--orange);background:rgba(255,146,43,.1)}
.tag--securite{color:var(--red);background:rgba(255,107,107,.1)}
.tag--productivite{color:var(--pink);background:rgba(240,101,149,.1)}
.tag--nouveau{color:var(--accent2);background:rgba(124,92,252,.12)}
.card h3{font-size:1.05rem;margin-bottom:8px;line-height:1.35;font-weight:600}
.card p{color:var(--text-dim);font-size:.87rem;margin-bottom:auto;line-height:1.55}
.card .meta{font-size:.75rem;color:var(--muted);margin-top:14px;padding-top:12px;border-top:1px solid var(--border)}
.card .read-more{font-size:.8rem;color:var(--accent2);font-weight:500;margin-top:8px;display:inline-flex;align-items:center;gap:4px}
.card .read-more::after{content:'\2192';transition:transform .2s}
.card:hover .read-more::after{transform:translateX(4px)}

/* YouTube section */
.yt-section{margin:48px 0;padding:40px 0;border-top:1px solid var(--border)}
.yt-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.yt-grid{grid-template-columns:repeat(3,1fr)}}
.yt-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .3s}
.yt-card:hover{border-color:var(--red);transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,0,0,.08)}
.yt-card iframe{width:100%;aspect-ratio:16/9;border:none}
.yt-card .yt-title{padding:12px 14px;font-size:.82rem;color:var(--text-dim)}
.yt-cta{text-align:center;margin-top:20px}
.yt-cta a{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;background:#ff0000;color:#fff;border-radius:var(--radius-sm);font-size:.88rem;font-weight:600;transition:all .2s}
.yt-cta a:hover{background:#cc0000;color:#fff;transform:translateY(-1px)}

/* Trending sidebar */
.trending{margin:40px 0;padding:28px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius)}
.trending h3{margin-bottom:16px;font-size:1rem;font-weight:700}
.trending ul{list-style:none}
.trending li{padding:10px 0;border-bottom:1px solid var(--border);font-size:.88rem;display:flex;align-items:flex-start;gap:10px;color:var(--text-dim)}
.trending li:last-child{border:none}
.trending .rank{font-size:.7rem;font-weight:700;color:var(--accent);background:var(--accent-glow);width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}

/* Newsletter */
.newsletter{text-align:center;padding:40px 32px;background:linear-gradient(135deg,rgba(124,92,252,.06),rgba(167,139,250,.04));border:1px solid var(--border);border-radius:var(--radius);margin:40px 0;position:relative;overflow:hidden}
.newsletter::before{content:'';position:absolute;top:-50%;right:-30%;width:300px;height:300px;background:radial-gradient(circle,rgba(124,92,252,.08),transparent 70%);pointer-events:none}
.newsletter h3{font-size:1.2rem;margin-bottom:6px;position:relative}
.newsletter p{color:var(--muted);font-size:.88rem;margin-bottom:20px;position:relative}
.newsletter-form{display:flex;max-width:400px;margin:0 auto;position:relative}
.newsletter-form input{flex:1;padding:12px 16px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm) 0 0 var(--radius-sm);color:var(--text);font-size:.9rem;outline:none;transition:border .2s}
.newsletter-form input:focus{border-color:var(--accent)}
.newsletter-form button{padding:12px 24px;background:var(--accent);color:#fff;border:none;border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-weight:600;font-size:.88rem;cursor:pointer;transition:background .2s}
.newsletter-form button:hover{background:var(--accent2)}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:32px 0;margin-top:48px}
.footer-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-left{font-size:.82rem;color:var(--muted)}
.footer-links{display:flex;gap:20px}
.footer-links a{color:var(--muted);font-size:.8rem;transition:color .2s}
.footer-links a:hover{color:var(--text)}

/* Ad slot */
.ad-slot{margin:24px 0;min-height:90px;text-align:center}
.ad-slot--mid{grid-column:1/-1;margin:12px 0}

/* ====== ARTICLE PAGE ====== */

/* Reading progress */
.reading-progress{position:fixed;top:60px;left:0;width:0%;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent2));z-index:99;transition:width .1s linear}

/* Article header */
.article-header{padding:48px 0 32px;border-bottom:1px solid var(--border);margin-bottom:32px}
.article-header .tag{margin-bottom:14px}
.article-header h1{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;line-height:1.2;margin-bottom:14px;letter-spacing:-.02em}
.article-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:.85rem;color:var(--muted)}
.article-meta .dot{width:3px;height:3px;background:var(--muted);border-radius:50%}

/* Article body */
.article-body{padding:0 0 40px}
.article-body p{margin-bottom:18px;font-size:1.02rem;line-height:1.8}
.article-body h2{font-size:1.35rem;font-weight:700;margin:40px 0 14px;color:var(--accent2);position:relative;padding-left:16px}
.article-body h2::before{content:'';position:absolute;left:0;top:4px;bottom:4px;width:3px;background:linear-gradient(to bottom,var(--accent),var(--accent2));border-radius:2px}
.article-body h3{font-size:1.1rem;font-weight:600;margin:28px 0 10px}
.article-body ul,.article-body ol{margin:0 0 18px 24px}
.article-body li{margin-bottom:8px;line-height:1.7}
.article-body code{background:var(--card);padding:2px 7px;border-radius:4px;font-size:.84rem;font-family:'JetBrains Mono','Fira Code',monospace}
.article-body pre{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:18px;overflow-x:auto;margin:18px 0;font-size:.84rem}
.article-body pre code{background:none;padding:0}
.article-body blockquote{border-left:3px solid var(--accent);padding:12px 20px;margin:20px 0;color:var(--text-dim);font-style:italic;background:rgba(124,92,252,.04);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.article-body strong{color:#fff}

/* Article CTA */
.article-cta{background:linear-gradient(135deg,rgba(124,92,252,.08),rgba(167,139,250,.06));border:1px solid var(--border);border-radius:var(--radius);padding:28px;text-align:center;margin:36px 0}
.article-cta p{margin-bottom:8px}
.article-cta a.btn{display:inline-block;padding:10px 24px;background:var(--accent);color:#fff;border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;transition:all .2s}
.article-cta a.btn:hover{background:var(--accent2);color:#fff;transform:translateY(-1px)}

/* Related tools */
.related-tools { margin: 2rem 0; padding: 1.5rem; background: var(--card-bg, #12122a); border-radius: 12px; border-left: 3px solid var(--accent, #7c5cfc); }
.related-tools h3 { margin: 0 0 0.75rem; font-size: 1rem; color: var(--accent, #7c5cfc); }
.related-tools ul { margin: 0; padding: 0 0 0 1.2rem; }
.related-tools li { margin: 0.4rem 0; }
.related-tools a { color: #ccc; text-decoration: underline; }
.related-tools a:hover { color: var(--accent, #7c5cfc); }

/* Share bar */
.share-bar{display:flex;gap:10px;margin:28px 0;padding:20px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.share-bar a{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-sm);font-size:.8rem;font-weight:500;color:var(--text-dim);background:var(--card);border:1px solid var(--border);transition:all .2s}
.share-bar a:hover{border-color:var(--accent);color:#fff}

/* Related articles */
.related{margin:40px 0 0}
.related h3{font-size:1.1rem;font-weight:700;margin-bottom:16px}

/* Back link */
.back-link{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;color:var(--muted);margin-bottom:8px;transition:color .2s}
.back-link:hover{color:var(--accent2)}
.back-link::before{content:'\2190'}

/* Responsive */
@media(max-width:640px){
  .hero{padding:48px 0 40px}
  .hero-stats{gap:24px}
  .featured p{max-width:100%}
  .footer-content{flex-direction:column;text-align:center}
  .nav-links{gap:2px}
  .nav-links a{padding:6px 10px;font-size:.78rem}
  .share-bar{flex-wrap:wrap}
}

/* Animations */
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.card,.featured,.yt-card{animation:fadeInUp .5s ease both}
.card:nth-child(2){animation-delay:.05s}
.card:nth-child(3){animation-delay:.1s}
.card:nth-child(4){animation-delay:.15s}
.card:nth-child(5){animation-delay:.2s}
.card:nth-child(6){animation-delay:.25s}