*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --bg: #0d0d1a; --bg2: #12122a; --bg3: #1a1a3a; --border: #2a2a4a;
    --text: #e0e0ff; --muted: #7070a0; --purple: #7c3aed;
    --purple-light: #a78bfa; --blue: #2563eb; --cyan: #38bdf8;
    --pink: #f472b6; --green: #22c55e;
}
body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }
nav { position: sticky; top: 0; z-index: 100; background: rgba(13,13,26,0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); padding: 14px 24px; }
.nav-content { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 22px; font-weight: 700; color: var(--text); text-decoration: none; }
.logo span { background: linear-gradient(90deg, var(--purple-light), var(--cyan)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav-links { display: flex; align-items: center; gap: 16px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.btn-nav { padding: 7px 16px; border-radius: 8px; border: 1px solid var(--border); font-size: 13px; transition: all 0.2s; }
.btn-nav:hover { border-color: var(--purple); color: var(--purple-light) !important; }
.btn-nav.primary { background: linear-gradient(90deg, var(--purple), var(--blue)); border: none; color: white !important; }
.btn-nav.primary:hover { opacity: 0.9; }
.hero { text-align: center; padding: 80px 24px 60px; background: radial-gradient(ellipse at 50% 0%, rgba(124,58,237,0.15) 0%, transparent 70%); }
.hero-badge { display: inline-block; background: rgba(124,58,237,0.1); border: 1px solid rgba(124,58,237,0.4); border-radius: 20px; font-size: 12px; color: var(--purple-light); padding: 5px 16px; margin-bottom: 24px; }
.hero h1 { font-size: 42px; font-weight: 700; line-height: 1.2; margin-bottom: 16px; }
.gradient-text { background: linear-gradient(90deg, var(--purple-light), var(--cyan), var(--pink)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { color: var(--muted); font-size: 16px; margin-bottom: 32px; }
.hero-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-primary { background: linear-gradient(90deg, var(--purple), var(--blue)); border: none; border-radius: 10px; color: white; font-size: 14px; font-weight: 600; padding: 12px 28px; cursor: pointer; text-decoration: none; transition: opacity 0.2s; }
.btn-primary:hover { opacity: 0.9; }
.btn-outline { background: transparent; border: 1px solid var(--border); border-radius: 10px; color: var(--muted); font-size: 14px; padding: 12px 28px; cursor: pointer; text-decoration: none; transition: all 0.2s; }
.btn-outline:hover { border-color: var(--purple); color: var(--purple-light); }
.features { max-width: 1200px; margin: 0 auto; padding: 40px 24px; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.feature-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 24px; transition: border-color 0.2s; }
.feature-card:hover { border-color: var(--purple); }
.feature-icon { font-size: 28px; margin-bottom: 12px; }
.feature-card h3 { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--muted); line-height: 1.6; }
.catalogue { max-width: 1200px; margin: 0 auto; padding: 40px 24px 60px; }
.catalogue-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; flex-wrap: wrap; gap: 16px; }
.catalogue-header h2 { font-size: 22px; font-weight: 600; }
.filters { display: flex; gap: 8px; }
.filter { background: transparent; border: 1px solid var(--border); border-radius: 20px; color: var(--muted); font-size: 12px; padding: 6px 16px; cursor: pointer; transition: all 0.2s; }
.filter.active, .filter:hover { border-color: var(--purple); color: var(--purple-light); background: rgba(124,58,237,0.1); }
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.product-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; transition: all 0.3s; cursor: pointer; }
.product-card:hover { border-color: var(--purple); transform: translateY(-4px); box-shadow: 0 8px 30px rgba(124,58,237,0.2); }
.product-cover { height: 120px; display: flex; align-items: center; justify-content: center; font-size: 48px; }
.ebook-cover { background: linear-gradient(135deg, #1a0a3a, #2d1060); }
.jeu-cover { background: linear-gradient(135deg, #0a1a3a, #102060); }
.product-body { padding: 16px; }
.product-tag { font-size: 10px; border-radius: 10px; padding: 3px 10px; display: inline-block; margin-bottom: 8px; }
.tag-ebook { color: var(--purple-light); background: rgba(124,58,237,0.1); border: 1px solid rgba(124,58,237,0.3); }
.tag-jeu { color: var(--cyan); background: rgba(56,189,248,0.1); border: 1px solid rgba(56,189,248,0.3); }
.product-name { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.product-desc { font-size: 12px; color: var(--muted); margin-bottom: 14px; line-height: 1.5; }
.product-footer { display: flex; justify-content: space-between; align-items: center; }
.product-price { font-size: 18px; font-weight: 700; color: var(--purple-light); }
.btn-buy { background: linear-gradient(90deg, var(--purple), var(--blue)); border: none; border-radius: 7px; color: white; font-size: 12px; font-weight: 600; padding: 7px 16px; cursor: pointer; transition: opacity 0.2s; }
.btn-buy:hover { opacity: 0.85; }
.loading { color: var(--muted); font-size: 14px; padding: 40px; text-align: center; }
footer { border-top: 1px solid var(--border); padding: 24px; background: var(--bg); }
.footer-content { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-content p { font-size: 13px; color: var(--muted); }
.footer-status { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
@media (max-width: 600px) { .hero h1 { font-size: 28px; } .nav-links a:not(.btn-nav) { display: none; } }