/* lalalabook : page d'accueil publique (FEAT-17). Même typographie et même bleu que l'app. */
*{box-sizing:border-box}
:root{
  --paper:#f6f3ec; --paper-2:#efe9dc; --ink:#16181d; --muted:#5d6270; --rule:#d9d2c3;
  --accent:#1d43c2; --accent-ink:#fff; --sec:#8b5d00; --staff:rgba(22,24,29,.07);
  --card:#fffdf8; --shadow:0 2px 6px rgba(30,25,10,.08),0 30px 60px -20px rgba(30,25,10,.25);
  --f-display:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  --f-ui:"IBM Plex Sans",ui-sans-serif,system-ui,-apple-system,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,monospace;
}
@media (prefers-color-scheme:dark){:root{
  --paper:#0c0d11; --paper-2:#14161c; --ink:#eef0f5; --muted:#9aa2b1; --rule:#2a2e38;
  --accent:#8eabff; --accent-ink:#0c0d11; --sec:#e2b45c; --staff:rgba(238,240,245,.05);
  --card:#15181f; --shadow:0 2px 6px rgba(0,0,0,.5),0 40px 80px -20px rgba(0,0,0,.7);
}}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-ui);font-size:17px;line-height:1.55;
  padding-inline:max(20px,env(safe-area-inset-left));overflow-x:hidden}
/* portée en fond, et projecteur de scène en thème sombre */
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:repeating-linear-gradient(to bottom,transparent 0 22px,var(--staff) 22px 23px) 0 0/100% 120px}
@media (prefers-color-scheme:dark){body::after{content:"";position:fixed;inset:-20% -10% auto;height:90vh;z-index:-1;pointer-events:none;
  background:radial-gradient(ellipse at 70% 0%,rgba(142,171,255,.16),transparent 60%)}}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto}

/* en-tête */
.top{display:flex;align-items:center;gap:18px;padding-block:22px}
.mark{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--f-display);font-weight:700;font-size:22px;letter-spacing:-.01em}
.mark img{width:30px;height:30px;border-radius:8px}
.top nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.lang-link{font-family:var(--f-mono);font-size:13px;font-weight:600;color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:8px}
.lang-link:hover{color:var(--ink);background:var(--paper-2)}
.btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:10px 18px;border-radius:11px;font-weight:600;text-decoration:none;border:1.5px solid var(--ink);color:var(--ink);transition:transform .15s ease,background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.small{min-height:38px;padding:7px 14px;font-size:15px}
:focus-visible{outline:2.5px solid var(--accent);outline-offset:3px}

/* ouverture : le titre est une grille d'accords */
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center;padding-block:40px 80px}
.kicker{font-family:var(--f-mono);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--sec);font-weight:600;margin:0 0 18px}
.lead{font-family:var(--f-display);font-weight:700;font-size:clamp(3.1rem,7.4vw,6.6rem);line-height:.92;letter-spacing:-.035em;margin:0 0 26px}
.lead .ln{display:block}
.w{position:relative;display:inline-block;padding-top:.3em}
.w::before{content:attr(data-ch);position:absolute;top:-.02em;left:.04em;font-family:var(--f-mono);font-size:.26em;font-weight:700;letter-spacing:0;color:var(--accent);line-height:1}
.lead:hover .w::before{animation:nudge .5s ease}
.transpose{display:inline-flex;align-items:center;gap:2px;font-family:var(--f-mono);font-size:13px;border:1px solid var(--rule);border-radius:10px;background:var(--card);margin:0 0 26px;overflow:hidden}
.transpose button{border:0;background:transparent;color:var(--ink);font:inherit;font-size:16px;min-width:40px;height:38px;cursor:pointer}
.transpose button:hover{background:var(--paper-2)}
.transpose output{padding:0 12px;color:var(--muted);border-inline:1px solid var(--rule);height:38px;display:flex;align-items:center;justify-content:center;gap:6px;min-width:128px;white-space:nowrap}
.transpose output b{color:var(--accent)}
.sub{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--muted);max-width:34em;margin:0 0 30px}
.sub strong{color:var(--ink);font-weight:600}
.ctas{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.note{font-size:14px;color:var(--muted)}

/* tablette dessinée en CSS, légèrement de biais */
.device{position:relative;justify-self:center;width:min(100%,560px);aspect-ratio:1194/834;background:#16181d;border-radius:28px;padding:16px;
  box-shadow:var(--shadow);transform:rotate(-2.5deg) translateY(8px);transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.device:hover{transform:rotate(0) translateY(0)}
.device::after{content:"";position:absolute;right:-4px;top:22%;width:4px;height:52px;border-radius:0 3px 3px 0;background:#2a2d35}
.device img{display:block;width:100%;height:100%;object-fit:cover;object-position:top left;border-radius:14px;background:#fff}
.sticker{position:absolute;left:-26px;bottom:-22px;font-family:var(--f-mono);font-weight:700;font-size:14px;background:var(--accent);color:var(--accent-ink);padding:10px 14px;border-radius:12px;transform:rotate(4deg);box-shadow:var(--shadow)}

/* la setlist du soir */
.setlist{padding-block:40px 70px;border-top:1.5px solid var(--ink)}
.eyebrow{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:26px}
.eyebrow h2{font-family:var(--f-display);font-size:clamp(1.9rem,3.6vw,2.8rem);letter-spacing:-.02em;margin:0}
.eyebrow span{font-family:var(--f-mono);font-size:13px;color:var(--muted)}
.songs{list-style:none;margin:0;padding:0;counter-reset:s}
.songs li{counter-increment:s;display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:18px;align-items:baseline;padding:22px 4px;border-bottom:1px solid var(--rule)}
.songs li::before{content:counter(s,decimal-leading-zero);font-family:var(--f-mono);font-size:15px;color:var(--muted)}
.songs h3{font-family:var(--f-display);font-size:clamp(1.3rem,2.3vw,1.7rem);letter-spacing:-.015em;margin:0 0 4px}
.songs p{margin:0;color:var(--muted);max-width:38em}
.pill{font-family:var(--f-mono);font-size:12.5px;font-weight:700;color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent);padding:5px 9px;border-radius:7px;white-space:nowrap}

/* partage privé */
.private{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:40px;align-items:center;padding:44px;border-radius:24px;background:var(--card);box-shadow:var(--shadow);margin-bottom:80px}
.private h2{font-family:var(--f-display);font-size:clamp(1.7rem,3.2vw,2.5rem);letter-spacing:-.02em;line-height:1.05;margin:0}
.private p{margin:0;color:var(--muted)}
.roles{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.roles span{font-family:var(--f-mono);font-size:13px;border:1px solid var(--rule);border-radius:999px;padding:6px 12px}

.finale{text-align:center;padding-block:30px 90px}
.finale h2{font-family:var(--f-display);font-size:clamp(2.2rem,5vw,4rem);letter-spacing:-.03em;margin:0 0 24px}
footer{border-top:1px solid var(--rule);padding-block:26px calc(26px + env(safe-area-inset-bottom));display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;font-size:14px;color:var(--muted)}
footer a{text-decoration:none}

/* entrée en scène */
.reveal{animation:up .7s cubic-bezier(.2,.8,.2,1) both}
.d1{animation-delay:.05s}.d2{animation-delay:.15s}.d3{animation-delay:.25s}.d4{animation-delay:.35s}.d5{animation-delay:.5s}
.lead .w::before{animation:drop .6s .55s cubic-bezier(.2,.8,.2,1) both}
@keyframes up{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes drop{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
@keyframes nudge{50%{transform:translateY(-3px)}}
@media (prefers-reduced-motion:reduce){*,*::before{animation:none!important;transition:none!important}}

@media (max-width:860px){
  .hero{grid-template-columns:1fr;gap:56px;padding-top:20px}
  .device{transform:rotate(-1.5deg)}
  .private{grid-template-columns:1fr;padding:28px}
  .songs li{grid-template-columns:44px minmax(0,1fr)}
  .songs .pill{grid-column:2;justify-self:start}
}
@media (max-width:480px){.top .btn{display:none}.sticker{left:-8px}}

/* informations légales (DOC-02) */
.legal{max-width:760px;padding-block:20px 70px}
.legal h1{font-family:var(--f-display);font-size:clamp(2.2rem,5vw,3.4rem);letter-spacing:-.03em;line-height:1;margin:0 0 10px}
.legal .updated{color:var(--muted);font-size:14px;margin:0 0 22px}
.legal .toc{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:34px}
.legal .toc a{font-family:var(--f-mono);font-size:13px;text-decoration:none;border:1px solid var(--rule);border-radius:999px;padding:6px 12px;background:var(--card)}
.legal .toc a:hover{border-color:var(--accent);color:var(--accent)}
.legal section{border-top:1.5px solid var(--ink);padding-top:22px;margin-top:40px;scroll-margin-top:16px}
.legal h2{font-family:var(--f-display);font-size:clamp(1.6rem,3vw,2.1rem);letter-spacing:-.02em;margin:0 0 14px}
.legal h3{font-size:1.02rem;margin:22px 0 6px}
.legal p,.legal li{color:var(--ink)}
.legal ul{padding-left:1.2em}
.legal li{margin-bottom:6px}
.legal a{color:var(--accent)}
mark.todo{background:#ffe27a;color:#16181d;padding:0 4px;border-radius:4px;font-family:var(--f-mono);font-size:.85em}

/* informations légales affichées dans l'app (?embed) : contenu seul */
.embed .top,.embed footer{display:none}
.embed .legal{padding-block:18px 40px;margin-inline:auto}
.embed body{padding-inline:20px}