/* Pages publiques de Chuck, au thème du site way-up.io (css/variables.css, css/components.css). */
@import url('/static/fonts/fonts.css');

:root {
  --primary-300: #d8b4fe; --primary-400: #c084fc; --primary-500: #a855f7; --primary-600: #9333ea; --primary-700: #7c22ce;
  --secondary-500: #6366f1; --secondary-600: #4f46e5;
  --accent-cyan: #22d3ee; --accent-emerald: #10b981; --accent-amber: #f59e0b; --accent-rose: #f43f5e;
  --bg-primary: #09090b;
  --surface-card: rgba(39, 39, 42, 0.5);
  --surface-glass: rgba(255, 255, 255, 0.03);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.2);
  --text-primary: #fafafa; --text-secondary: #a1a1aa; --text-tertiary: #71717a;
  --gradient-primary: linear-gradient(135deg, var(--primary-500) 0%, var(--secondary-500) 100%);
  --gradient-text: linear-gradient(135deg, var(--primary-400) 0%, var(--accent-cyan) 100%);
  --gradient-border: linear-gradient(135deg, var(--primary-500), var(--secondary-500), var(--accent-cyan));
  --gradient-mesh: radial-gradient(at 40% 20%, rgba(168, 85, 247, 0.15) 0px, transparent 50%),
                   radial-gradient(at 80% 0%, rgba(99, 102, 241, 0.1) 0px, transparent 50%),
                   radial-gradient(at 0% 50%, rgba(34, 211, 238, 0.08) 0px, transparent 50%);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  --radius-md: 0.75rem; --radius-lg: 1rem; --radius-xl: 1.5rem; --radius-full: 9999px;
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-glow-sm: 0 0 30px rgba(168, 85, 247, 0.4);
  --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; min-height: 100vh; background: var(--bg-primary); background-image: var(--gradient-mesh); background-attachment: fixed;
  color: var(--text-primary); font: 400 1.0625rem/1.6 var(--font-sans); -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
code, kbd { white-space: nowrap; font-family: var(--font-mono); font-size: 0.88em; background: rgba(255, 255, 255, 0.06); border: 1px solid var(--border-default); border-radius: 6px; padding: 0.08em 0.4em; }
.container { width: min(1120px, 100% - 3rem); margin: 0 auto; }
.gradient-text { background: var(--gradient-text); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Navigation */
.nav { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); background: rgba(9, 9, 11, 0.7); border-bottom: 1px solid var(--border-subtle); }
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 0.6rem; color: var(--text-primary); }
.brand:hover { text-decoration: none; }
.brand img.cham { height: 38px; }
.brand img.word { height: 22px; opacity: 0.95; }
.brand .sep { width: 1px; height: 22px; background: var(--border-strong); margin: 0 0.3rem; }
.brand .name { font-weight: 800; font-size: 1.2rem; letter-spacing: -0.02em; }
.nav-links { display: flex; gap: 1.5rem; font-size: 0.95rem; }
.nav-links a { color: var(--text-secondary); }
.nav-links a:hover { color: var(--text-primary); text-decoration: none; }

/* Héros */
.hero { padding: 5.5rem 0 4rem; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.35rem 0.9rem; border-radius: var(--radius-full); background: rgba(168, 85, 247, 0.1); border: 1px solid rgba(168, 85, 247, 0.3); color: var(--primary-300); font-size: 0.85rem; font-weight: 600; }
.eyebrow::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--primary-500); box-shadow: 0 0 10px var(--primary-500); }
h1 { font-size: clamp(2.5rem, 2rem + 2.5vw, 4rem); line-height: 1.08; letter-spacing: -0.03em; font-weight: 900; margin: 1.2rem 0 1rem; }
.lead { font-size: 1.2rem; color: var(--text-secondary); max-width: 34rem; margin: 0 0 2rem; }
.cta { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.btn { display: inline-flex; align-items: center; gap: 0.55rem; padding: 0.85rem 1.4rem; border-radius: var(--radius-full); font-weight: 600; font-size: 1rem; border: 1px solid transparent; transition: transform var(--transition), box-shadow var(--transition), background var(--transition); }
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary { background: var(--gradient-primary); color: #fff; box-shadow: 0 6px 24px rgba(168, 85, 247, 0.35); }
.btn-primary:hover { box-shadow: var(--shadow-glow-sm); }
.btn-ghost { background: var(--surface-glass); border-color: var(--border-default); color: var(--text-primary); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.06); border-color: var(--border-strong); }
.hero-art { position: relative; display: grid; place-items: center; }
.hero-art::before { content: ''; position: absolute; width: 85%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(168, 85, 247, 0.35), transparent 65%); filter: blur(10px); }
.hero-art img { position: relative; width: 100%; max-width: 420px; filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.5)); }

/* Sections */
section { padding: 3.5rem 0; }
h2 { font-size: clamp(1.6rem, 1.3rem + 1vw, 2.2rem); letter-spacing: -0.02em; margin: 0 0 0.5rem; font-weight: 800; }
.section-lead { color: var(--text-secondary); margin: 0 0 2rem; }
.grid { display: grid; gap: 1.1rem; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card { position: relative; background: var(--surface-card); border: 1px solid var(--border-default); border-radius: var(--radius-xl); padding: 1.5rem; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition); }
.card:hover { transform: translateY(-3px); border-color: rgba(168, 85, 247, 0.45); box-shadow: var(--shadow-lg); }
.card h3 { margin: 0.6rem 0 0.4rem; font-size: 1.1rem; }
.card p { margin: 0; color: var(--text-secondary); font-size: 0.97rem; }
.card .num { font-family: var(--font-mono); font-weight: 600; font-size: 0.85rem; color: var(--primary-400); }

/* Téléchargements */
.dl { display: flex; flex-direction: column; gap: 0.9rem; }
.dl .os { display: flex; align-items: center; gap: 0.7rem; }
.dl .os svg { width: 30px; height: 30px; flex: none; color: var(--text-primary); }
.dl .os strong { display: block; font-size: 1.05rem; }
.dl .detail { color: var(--text-secondary); font-size: 0.88rem; }
.dl .meta { color: var(--text-tertiary); font-size: 0.8rem; font-family: var(--font-mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dl .note { color: var(--text-tertiary); font-size: 0.85rem; }
.dl .btn { justify-content: center; }
.dl.recommended { border-color: transparent; background: linear-gradient(#141418, #141418) padding-box, var(--gradient-border) border-box; border: 1px solid transparent; }
.dl.recommended::after { content: 'Votre système'; position: absolute; top: -0.7rem; right: 1rem; font-size: 0.75rem; font-weight: 700; padding: 0.15rem 0.6rem; border-radius: var(--radius-full); background: var(--gradient-primary); color: #fff; }
.dl.missing { opacity: 0.55; }
.notice { border-radius: var(--radius-lg); padding: 1rem 1.2rem; border: 1px solid; margin: 0 0 1.5rem; }
.notice.warn { background: rgba(244, 63, 94, 0.08); border-color: rgba(244, 63, 94, 0.4); color: #fecdd3; }
.notice.info { background: rgba(34, 211, 238, 0.06); border-color: rgba(34, 211, 238, 0.3); color: #cffafe; }

/* Guide */
.doc { max-width: 760px; padding: 3.5rem 0 4rem; }
.doc h1 { font-size: clamp(2.2rem, 1.8rem + 2vw, 3.2rem); }
.doc h2 { margin-top: 2.6rem; display: flex; align-items: center; gap: 0.7rem; }
.doc h2 .step { display: inline-grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--gradient-primary); font-size: 1rem; font-weight: 800; flex: none; }
.doc li { margin: 0.45rem 0; color: #d4d4d8; }
.doc p { color: #d4d4d8; }
.doc table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.95rem; }
.doc th, .doc td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--border-default); vertical-align: top; }
.doc th { color: var(--text-secondary); font-weight: 600; }

/* Pied de page */
footer { border-top: 1px solid var(--border-subtle); padding: 2rem 0 2.5rem; color: var(--text-tertiary); font-size: 0.9rem; }
footer .container { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; }
footer img { height: 26px; vertical-align: middle; margin-right: 0.5rem; }
footer a { color: var(--text-secondary); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 3rem; text-align: left; }
  .hero-art { order: -1; }
  .hero-art img { max-width: 260px; }
  .grid-4, .grid-3 { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .grid-4, .grid-3 { grid-template-columns: 1fr; }
  code, kbd { white-space: normal; overflow-wrap: anywhere; }
  .doc th, .doc td { padding: 0.5rem 0.4rem; }
  .brand img.word, .brand .sep { display: none; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } html { scroll-behavior: auto; } }