/* ==========================================================================
   6nemac — feuille de style partagée
   Inspiration : apple.com / macOS (verre dépoli, typographie nette,
   respiration généreuse, micro-interactions discrètes)
   ========================================================================== */

/* Aucune police externe : on s'appuie sur la pile système Apple (San Francisco
   sur macOS/iOS), ce qui est à la fois plus fiable (aucun chargement réseau
   à attendre ou à échouer) et plus fidèle à l'univers Mac que n'importe
   quelle police importée. */

:root{
  --bg:            #ffffff;
  --bg-alt:        #f5f5f7;
  --bg-dark:       #000000;
  --bg-dark-2:     #0d0d0f;
  --text:          #1d1d1f;
  --text-on-dark:  #f5f5f7;
  --text-soft:     #6e6e73;
  --text-soft-on-dark: #98989d;
  --text-faint:    #a1a1a6;
  --line:          rgba(0,0,0,.08);
  --line-on-dark:  rgba(255,255,255,.12);
  --accent:        #0a84ff;
  --accent-2v:     #2997ff;
  --accent-soft:   rgba(10,132,255,.12);
  --accent-2:      #30d158;
  --accent-2-soft: rgba(48,209,88,.14);
  --radius-s:  10px;
  --radius-m:  20px;
  --radius-l:  30px;
  --shadow-1:  0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.05);
  --shadow-2:  0 30px 80px rgba(0,0,0,.16);
  --ease:      cubic-bezier(.22,1,.36,1);
  --maxw: 1120px;

  --font-display: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-text:    -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono:    ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, monospace;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

body{
  margin: 0;
  font-family: var(--font-text);
  font-size: 16px;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

.mono{
  font-family: var(--font-mono);
  letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
}

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display:block; }

::selection{ background: var(--accent-soft); color: var(--accent); }

:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Typographie ---------- */
h1,h2,h3,h4{ margin: 0; font-family: var(--font-display); font-weight: 700; letter-spacing: -.03em; line-height: 1.05; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size: 13px; font-weight: 600; letter-spacing: .02em;
  color: var(--accent); text-transform: uppercase;
  margin-bottom: 14px;
}
.eyebrow::before{
  content:""; width:6px; height:6px; border-radius:50%;
  background: var(--accent); display:inline-block;
}
p.lede{
  font-size: 21px; line-height: 1.55; color: var(--text-soft);
  font-weight: 400; margin: 18px 0 0;
}

/* ---------- Navigation ---------- */
.nav{
  position: fixed; top:0; left:0; right:0; z-index: 100;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(255,255,255,.72);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.is-scrolled{ border-bottom-color: var(--line); }
.nav .wrap{
  height: 56px; display:flex; align-items:center; justify-content:space-between;
}
.brand{
  display:flex; align-items:center; gap:9px;
  font-weight: 700; font-size: 15px; letter-spacing: -.01em;
}
.brand-mark{
  width: 26px; height: 26px; border-radius: 7px;
  overflow: hidden;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 1px 3px rgba(0,0,0,.18);
  flex-shrink: 0;
}
.brand-mark img{ width:100%; height:100%; object-fit: cover; display:block; }
.link-chevron{
  display:inline-flex; align-items:center; gap:5px;
  color: var(--accent); font-weight: 600; font-size: 15px;
  transition: gap .2s var(--ease);
}
.link-chevron:hover{ gap: 9px; }
.link-chevron svg{ width:9px; height:9px; }
.nav-links{ display:flex; align-items:center; gap: 28px; font-size: 13px; }
.nav-links a{ color: var(--text); opacity: .82; transition: opacity .2s; }
.nav-links a:hover{ opacity: 1; }
.nav-links a.active{ opacity: 1; }
.nav-cta{
  padding: 7px 15px; border-radius: 980px;
  background: var(--accent); color:#fff !important;
  font-weight: 600; font-size: 13px;
  transition: filter .2s, transform .2s;
}
.nav-cta:hover{ filter: brightness(1.08); }
.nav-toggle{ display:none; }

/* ---------- Bandeau d'information ---------- */
.status-banner{
  margin-top: 56px;
  background: #fff8ec;
  border-bottom: 1px solid rgba(255,159,10,.25);
  padding: 11px 0;
}
.status-banner .wrap{
  display:flex; align-items:center; justify-content:center; gap:8px;
  text-align:center;
}
.status-banner svg{ width:15px; height:15px; color:#ff9f0a; flex-shrink:0; }
.status-banner p{
  margin:0; font-size: 13.5px; color:#8a5a00; font-weight:500;
}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 13px 24px; border-radius: 980px;
  font-size: 15px; font-weight: 600; letter-spacing: -.01em;
  border: none; cursor: pointer;
  transition: transform .25s var(--ease), filter .2s, box-shadow .2s;
}
.btn:active{ transform: scale(.97); }
.btn-primary{ background: var(--text); color:#fff; }
.btn-primary:hover{ filter: brightness(1.2); }
.btn-accent{ background: var(--accent); color:#fff; }
.btn-accent:hover{ filter: brightness(1.08); box-shadow: 0 8px 20px rgba(10,132,255,.35); }
.btn-ghost{ background: var(--bg-alt); color: var(--text); }
.btn-ghost:hover{ background: #e8e8ed; }
.btn-lg{ padding: 16px 30px; font-size: 17px; }
.btn-block{ width: 100%; }
.btn-row{ display:flex; gap: 14px; flex-wrap: wrap; align-items:center; }

/* ---------- Sections génériques ---------- */
section{ padding: 120px 0; position: relative; }
section.tight{ padding: 80px 0; }
.section-head{ max-width: 640px; margin-bottom: 56px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.alt{ background: var(--bg-alt); }

/* reveal on scroll */
.reveal{
  opacity: 0; transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.in{ opacity: 1; transform: translateY(0); }

/* ---------- Hero commun ---------- */
.hero{
  padding: 190px 0 40px;
  text-align:center;
  position: relative;
  overflow: hidden;
}
/* Réduit le vide entre le hero et la première section qui le suit
   (mockup produit, grille de livres, etc.) */
.hero-next{ padding-top: 10px; }
.hero::before{
  content:"";
  position:absolute; z-index:-1; inset: -20% -10% auto -10%; height: 640px;
  background:
    radial-gradient(52% 60% at 22% 20%, rgba(10,132,255,.16), transparent 65%),
    radial-gradient(46% 55% at 82% 15%, rgba(191,90,242,.12), transparent 60%),
    radial-gradient(60% 60% at 50% 0%, rgba(48,209,88,.08), transparent 70%);
  filter: blur(10px);
}
.hero h1{ font-size: clamp(40px, 6.4vw, 80px); }
.hero p.lede{ max-width: 620px; margin-left:auto; margin-right:auto; }
.hero .btn-row{ justify-content:center; margin-top: 34px; }

.hero .eyebrow, .hero h1, .hero p.lede, .hero .btn-row{
  opacity: 0; transform: translateY(22px);
  animation: hero-in .9s var(--ease) forwards;
}
.hero .eyebrow{ animation-delay: .05s; }
.hero h1{ animation-delay: .15s; }
.hero p.lede{ animation-delay: .28s; }
.hero .btn-row{ animation-delay: .4s; }
@keyframes hero-in{ to{ opacity:1; transform: translateY(0); } }

/* ---------- Fenêtre macOS (mock UI) ---------- */
.mac-stage{ position: relative; }
.mac-window{
  border-radius: 14px;
  background: #fbfbfd;
  border: 1px solid rgba(0,0,0,.08);
  box-shadow: var(--shadow-2);
  overflow: hidden;
  position: relative; z-index: 1;
}
/* reflet façon présentation Apple : le contenu de la fenêtre, inversé et
   estompé, comme posé sur une surface en verre */
.mac-stage::after{
  content:"";
  position:absolute; left:0; right:0; top: 100%; height: 90px;
  background: linear-gradient(#fbfbfd, transparent 75%);
  opacity: .22;
  transform: scaleY(-1);
  mask-image: linear-gradient(to bottom, black, transparent 80%);
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 80%);
  pointer-events: none;
}
.mac-titlebar{
  height: 40px;
  display:flex; align-items:center; gap:8px;
  padding: 0 14px;
  background: linear-gradient(#fafafc, #efeff1);
  border-bottom: 1px solid rgba(0,0,0,.06);
  position: relative;
}
.mac-titlebar::after{
  content:""; position:absolute; left:0; right:0; top:0; height:1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.9), transparent);
}
.mac-dot{ width:12px; height:12px; border-radius:50%; position: relative; }
.mac-dot.red{ background: radial-gradient(circle at 32% 28%, #ff8a80, #ff5f57 60%); }
.mac-dot.yellow{ background: radial-gradient(circle at 32% 28%, #ffe08a, #febc2e 60%); }
.mac-dot.green{ background: radial-gradient(circle at 32% 28%, #7ee89a, #28c840 60%); }
.mac-titlebar span{
  margin-left: 8px; font-size: 12.5px; color: var(--text-soft); font-weight: 600;
}

/* ---------- Diagramme d'extraction (signature) ---------- */
.extract-stage{
  padding: 56px 40px 48px;
  display:flex; align-items:center; justify-content:center; gap: 0;
  flex-wrap: wrap;
}
.mkv-source{
  display:flex; flex-direction:column; align-items:center; gap: 10px;
  width: 128px; flex-shrink:0;
}
.mkv-icon{
  width: 88px; height: 88px; border-radius: 20px;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 14px 28px rgba(10,20,60,.22);
  position: relative;
  overflow: hidden;
}
.mkv-icon img{ width:100%; height:100%; object-fit: cover; display:block; }
.mkv-source small{ color: var(--text-soft); font-size: 12px; }

.extract-lines{ width: 70px; height: 2px; position: relative; flex-shrink:0; }
.extract-lines svg{ overflow: visible; }
.extract-lines path{
  stroke: var(--line); stroke-width: 2; fill:none;
  stroke-dasharray: 100; stroke-dashoffset: 100;
}
.reveal.in .extract-lines path{
  animation: draw 1s var(--ease) forwards;
  animation-delay: .2s;
}
@keyframes draw{ to{ stroke-dashoffset: 0; } }

.extract-tracks{
  display:flex; flex-direction:column; gap: 10px;
}
.track-chip{
  display:flex; align-items:center; gap:10px;
  padding: 10px 16px; border-radius: 980px;
  background:#fff; border:1px solid var(--line);
  box-shadow: var(--shadow-1);
  font-size: 13px; font-weight:600;
  opacity:0; transform: translateX(-14px);
}
.reveal.in .track-chip{ animation: chip-in .6s var(--ease) forwards; }
.track-chip:nth-child(1){ animation-delay: .35s; }
.track-chip:nth-child(2){ animation-delay: .5s; }
.track-chip:nth-child(3){ animation-delay: .65s; }
.track-chip:nth-child(4){ animation-delay: .8s; }
@keyframes chip-in{ to{ opacity:1; transform: translateX(0); } }
.chip-dot{ width:8px; height:8px; border-radius:50%; flex-shrink:0; }
.chip-dot.video{ background:#0a84ff; }
.chip-dot.audio{ background:#ff9f0a; }
.chip-dot.subs{ background:#30d158; }
.chip-dot.chap{ background:#bf5af2; }

/* ---------- Grille de fonctionnalités ---------- */
.grid-3{
  display:grid; grid-template-columns: repeat(3,1fr); gap: 20px;
}
.feature-card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius-m);
  padding: 32px 28px; box-shadow: var(--shadow-1);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.feature-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-2); }
.feature-icon{
  width: 44px; height: 44px; border-radius: 12px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 18px; font-size: 20px;
}
.feature-card h3{ font-size: 18px; margin-bottom: 8px; letter-spacing:-.01em; }
.feature-card p{ font-size: 14.5px; color: var(--text-soft); line-height: 1.6; margin:0; }

/* ---------- Étapes numérotées (véritable séquence) ---------- */
.steps{ display:grid; grid-template-columns: repeat(3,1fr); gap: 32px; counter-reset: step; }
.step{ position:relative; padding-left: 0; }
.step-num{
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; color: var(--accent); font-weight:600;
  margin-bottom: 14px; display:block;
}
.step h3{ font-size: 19px; margin-bottom: 8px; }
.step p{ color: var(--text-soft); font-size: 14.5px; line-height:1.6; margin:0; }

/* ---------- Bloc alterné image / texte ---------- */
.split{
  display:grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items:center;
}
.split.reverse .split-media{ order: 2; }
.split h2{ font-size: clamp(28px,3.4vw,38px); margin-bottom: 16px; }
.split p{ color: var(--text-soft); font-size: 16.5px; line-height:1.65; }
.split-media{
  border-radius: var(--radius-l);
  background: var(--bg-alt);
  padding: 44px;
  display:flex; align-items:center; justify-content:center;
  min-height: 320px;
}

/* ---------- Tableau specs ---------- */
.specs{
  border-radius: var(--radius-m); overflow:hidden;
  border: 1px solid var(--line); background:#fff;
}
.specs-row{
  display:grid; grid-template-columns: 220px 1fr;
  padding: 18px 26px; font-size: 14.5px;
  border-bottom: 1px solid var(--line);
}
.specs-row:last-child{ border-bottom:none; }
.specs-row dt{ color: var(--text-soft); font-weight:500; }
.specs-row dd{ margin:0; font-weight:500; }

/* ---------- Carte tarif ---------- */
.price-card{
  background: var(--bg-dark); color:#fff;
  border-radius: var(--radius-l);
  padding: 48px; text-align:center;
  position: relative; overflow:hidden;
}
.price-card::before{
  content:""; position:absolute; inset:-40% -10% auto -10%; height: 240px;
  background: radial-gradient(closest-side, rgba(10,132,255,.35), transparent 70%);
  pointer-events:none;
}
.price-tag{
  font-size: 56px; font-weight: 800; letter-spacing:-.03em;
  display:flex; align-items:baseline; justify-content:center; gap:6px;
}
.price-tag small{ font-size: 16px; color: rgba(255,255,255,.55); font-weight:500; }
.price-card p{ color: rgba(255,255,255,.65); margin: 10px 0 30px; font-size:15px; }

/* ---------- Section sombre (registre "performance") ---------- */
.dark-section{
  background: radial-gradient(120% 140% at 50% 0%, #1c1c1e 0%, #000 55%);
  color: var(--text-on-dark);
  position: relative;
  overflow: hidden;
}
.dark-section::before{
  content:"";
  position:absolute; z-index:0; left:50%; top:0; width:900px; height:500px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(10,132,255,.35), transparent 70%);
  filter: blur(20px);
}
.dark-section .wrap{ position: relative; z-index: 1; }
.dark-section .eyebrow{ color: var(--accent-2v); }
.dark-section .section-head p.lede{ color: var(--text-soft-on-dark); }
.dark-stats{
  display:grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 48px;
}
.dark-stat{
  border: 1px solid var(--line-on-dark); border-radius: var(--radius-m);
  padding: 30px 26px; background: rgba(255,255,255,.03);
  backdrop-filter: blur(6px);
}
.dark-stat .stat-num{
  font-family: var(--font-display); font-size: 42px; font-weight: 800;
  background: linear-gradient(155deg, #fff, #98989d);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: -.02em;
}
.dark-stat p{ color: var(--text-soft-on-dark); font-size: 14px; margin: 8px 0 0; line-height:1.6; }

/* ---------- Icônes vectorielles (remplacent les emoji) ---------- */
.icon-svg{ width: 22px; height: 22px; }
.icon-svg path, .icon-svg circle, .icon-svg rect{ vector-effect: non-scaling-stroke; }

/* ---------- Cartes livres ---------- */
.books-grid{
  display:grid; grid-template-columns: repeat(2,1fr); gap: 36px;
}
.book-card{
  display:flex; flex-direction:column;
  border: 1px solid var(--line); border-radius: var(--radius-m);
  background:#fff; box-shadow: var(--shadow-1); overflow:hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.book-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-2); }
.book-cover{
  display:flex; align-items:center; justify-content:center;
  padding: 36px; background: var(--bg-alt);
}
.book-cover img{
  max-height: 320px; border-radius: 6px;
  box-shadow: 0 18px 40px rgba(0,0,0,.18);
}
.book-body{ padding: 28px 30px 32px; display:flex; flex-direction:column; flex:1; }
.book-body h3{ font-size: 20px; margin-bottom: 6px; }
.book-body .book-author{ font-size: 13px; color: var(--text-soft); margin-bottom: 14px; font-weight:500; }
.book-body p{ color: var(--text-soft); font-size: 14.5px; line-height:1.65; margin: 0 0 22px; flex:1; }
.book-cta{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 12px 22px; border-radius: 980px;
  background: var(--text); color:#fff; font-weight:600; font-size: 14.5px;
  transition: filter .2s, transform .2s; align-self:flex-start;
}
.book-cta:hover{ filter: brightness(1.25); }
.book-cta svg{ width:12px; height:12px; }

@media (max-width: 860px){
  .books-grid{ grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
footer{
  border-top: 1px solid var(--line);
  padding: 40px 0 50px;
  background: var(--bg-alt);
}
.footer-row{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap: 16px;
  font-size: 12.5px; color: var(--text-soft);
}
.footer-links{ display:flex; gap: 22px; }
.footer-links a{ color: var(--text-soft); }
.footer-links a:hover{ color: var(--text); }

/* ---------- Responsive ---------- */
@media (max-width: 860px){
  .grid-3, .steps, .dark-stats{ grid-template-columns: 1fr; }
  .split, .split.reverse .split-media{ grid-template-columns: 1fr; order:0; }
  .split{ gap: 36px; }
  .nav-links{ display:none; }
  section{ padding: 84px 0; }
  .hero{ padding: 140px 0 20px; }
  .specs-row{ grid-template-columns: 1fr; gap:4px; }
}