/* Open Library — page courte, 100 % animée. Identité Improved : noir, vert, jaune. */
body.lib{background:#0E0F0E;color:#fff;overflow-x:hidden}
body.lib #nav:not(.sc){background:none}
body.lib #nav:not(.sc) .nav-logo img{filter:brightness(0) invert(1)}
.lib-wrap{max-width:1200px;margin:0 auto;padding:0 40px;position:relative}
@media(max-width:768px){.lib-wrap{padding:0 22px}}

@keyframes libRise{from{opacity:0;transform:translateY(34px) rotate(1.5deg)}to{opacity:1;transform:none}}
@keyframes libFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes libOrbit{to{transform:rotate(360deg)}}
@keyframes libPulse{0%,100%{opacity:.5;transform:scale(1)}50%{opacity:1;transform:scale(1.25)}}
@keyframes libScrollL{to{transform:translateX(-50%)}}
@keyframes libScrollR{from{transform:translateX(-50%)}to{transform:translateX(0)}}
@keyframes libBlink{50%{opacity:0}}
@keyframes libDrift{0%{transform:translate(0,0) scale(1)}50%{transform:translate(40px,-30px) scale(1.15)}100%{transform:translate(-20px,20px) scale(.95)}}
@keyframes libSheen{to{background-position:200% 50%}}

/* ───────── Hero ───────── */
.lib-hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:130px 0 80px;overflow:hidden}
.lib-bg{position:absolute;inset:0;pointer-events:none}
.lib-bg .orb{position:absolute;border-radius:50%;filter:blur(90px)}
.lib-bg .o1{width:520px;height:520px;left:-8%;top:-10%;background:rgba(0,122,90,.38);animation:libDrift 18s ease-in-out infinite alternate}
.lib-bg .o2{width:420px;height:420px;right:-6%;bottom:-8%;background:rgba(233,204,56,.16);animation:libDrift 22s ease-in-out infinite alternate-reverse}
.lib-bg .grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 75% 65% at 50% 45%,#000 30%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 75% 65% at 50% 45%,#000 30%,transparent 100%)}
.lib-hero-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:56px;align-items:center}
@media(max-width:980px){.lib-hero{padding-top:110px}.lib-hero-grid{grid-template-columns:1fr;gap:44px}}

.lib-kicker{display:inline-flex;align-items:center;gap:10px;margin:0 0 22px;font:600 .8rem/1 'Poppins',system-ui,sans-serif;color:rgba(255,255,255,.75);opacity:0;animation:libRise .9s var(--ease) .1s forwards}
.lib-kicker .dot{width:8px;height:8px;border-radius:50%;background:#2DD4A0;animation:libPulse 1.8s ease-in-out infinite}
.lib-h1{margin:0 0 22px;font:600 clamp(2.5rem,1.1rem + 4.6vw,4.9rem)/1.02 'Poppins',system-ui,sans-serif;letter-spacing:-.04em}
.lib-h1 .w{display:inline-block;opacity:0;animation:libRise 1s var(--ease) forwards;animation-delay:calc(.25s + var(--i) * .12s);margin-right:.18em}
.lib-h1 em{font-family:'Fraunces',Georgia,serif;font-style:italic;font-weight:500;background:linear-gradient(90deg,#E9CC38,#F7EFA6,#E9CC38);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:libRise 1s var(--ease) .75s forwards,libSheen 5s linear 1.8s infinite}
.lib-sub{max-width:46ch;margin:0 0 32px;font-size:1.05rem;line-height:1.7;color:rgba(255,255,255,.66);opacity:0;animation:libRise .9s var(--ease) 1.05s forwards}
.lib-btn{
  display:inline-flex;align-items:center;gap:10px;padding:12px 24px;border-radius:100px;
  background:#E9CC38;color:#0E0F0E;text-decoration:none;font:600 .9rem/1 'Poppins',system-ui,sans-serif;
  opacity:0;animation:libRise .9s var(--ease) 1.25s forwards;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);position:relative;overflow:hidden;
}
.lib-btn::after{content:'';position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.55) 50%,transparent 70%);transform:translateX(-120%);transition:transform .7s var(--ease)}
.lib-btn:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(233,204,56,.34)}
.lib-btn:hover::after{transform:translateX(120%)}
.lib-btn svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.lib-btn:hover svg{transform:translate(3px,-3px)}
.lib-btn--lg{padding:15px 30px;font-size:1rem}

/* ───────── Le studio d'animation (animation de métier) ───────── */
.lib-studio{position:relative;perspective:1200px;opacity:0;animation:libRise 1.1s var(--ease) .5s forwards}
.studio-win{
  --nw:74px;position:relative;border-radius:18px;overflow:hidden;background:#151716;border:1px solid rgba(255,255,255,.1);
  box-shadow:0 40px 90px rgba(0,0,0,.55),0 0 0 1px rgba(0,122,90,.15);
  transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .25s ease-out;
}
.studio-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:#1B1E1C;border-bottom:1px solid rgba(255,255,255,.07);font:500 .72rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:rgba(255,255,255,.5)}
.studio-bar i{width:10px;height:10px;border-radius:50%;background:#3a3d3b}
.studio-bar i:nth-child(1){background:#ff5f57}.studio-bar i:nth-child(2){background:#febc2e}.studio-bar i:nth-child(3){background:#28c840}
.studio-bar span{margin-left:8px}
.studio-bar b{margin-left:auto;font-weight:500;color:#2DD4A0;font-variant-numeric:tabular-nums}
.studio-stage{position:relative;background:radial-gradient(circle at 70% 20%,rgba(0,122,90,.22),transparent 55%),#121413}
.studio-stage svg{display:block;width:100%;height:auto}
.st-path{fill:none;stroke:rgba(255,255,255,.22);stroke-width:1.5;stroke-dasharray:5 7}
.st-node{fill:#121413;stroke:#E9CC38;stroke-width:2}
.st-grid{stroke:rgba(255,255,255,.05);stroke-width:1}
.st-ball{fill:#2DD4A0}
.st-ball-core{fill:#fff;opacity:.85}
.studio-chip{position:absolute;padding:6px 11px;border-radius:100px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(6px);font:600 .68rem/1 'Poppins',sans-serif;color:#fff;animation:libFloat 4s ease-in-out infinite}
.studio-chip.c1{top:14px;right:14px;color:#E9CC38}
.studio-chip.c2{bottom:14px;left:14px;animation-delay:-1.4s;color:#2DD4A0}
.studio-lower{display:grid;grid-template-columns:minmax(0,1fr) 128px;gap:0;border-top:1px solid rgba(255,255,255,.07)}
.studio-tl{position:relative;padding:12px 14px 12px 0;--t:0;font:500 .66rem/1 'Poppins',sans-serif;cursor:ew-resize;touch-action:none}
.tl-row{display:grid;grid-template-columns:var(--nw) minmax(0,1fr);align-items:center;height:26px}
.tl-name{padding-left:14px;color:rgba(255,255,255,.45)}
.tl-track{position:relative;height:2px;background:rgba(255,255,255,.1);border-radius:2px}
.tl-track i{position:absolute;top:50%;width:9px;height:9px;margin:-4.5px 0 0 -4.5px;background:#E9CC38;transform:rotate(45deg) scale(.85);border-radius:2px;transition:transform .25s var(--ease),background .25s,box-shadow .25s}
.tl-track i.hit{transform:rotate(45deg) scale(1.6);background:#fff;box-shadow:0 0 14px rgba(233,204,56,.9)}
.tl-head{position:absolute;top:6px;bottom:6px;width:2px;background:#2DD4A0;left:calc(var(--nw) + (100% - var(--nw) - 14px) * var(--t));box-shadow:0 0 12px rgba(45,212,160,.7);pointer-events:none}
.tl-head::before{content:'';position:absolute;top:-4px;left:-4px;width:10px;height:10px;background:#2DD4A0;border-radius:50% 50% 50% 0;transform:rotate(-45deg)}
.studio-ease{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:8px;border-left:1px solid rgba(255,255,255,.07)}
.studio-ease svg{width:100%;max-width:104px;height:auto}
.ez-frame{fill:none;stroke:rgba(255,255,255,.12)}
.ez-curve{fill:none;stroke:#E9CC38;stroke-width:2.5;stroke-linecap:round}
.ez-handle{stroke:rgba(255,255,255,.35);stroke-width:1.2}
.ez-hp{fill:#2DD4A0}
.ez-dot{fill:#fff}
.studio-ease code{font:500 .55rem/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;color:rgba(255,255,255,.5);text-align:center}
.studio-code{margin:0;padding:12px 16px 14px;border-top:1px solid rgba(255,255,255,.07);background:#101211;font:500 .76rem/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;color:rgba(255,255,255,.72);min-height:104px;white-space:pre-wrap}
.studio-code .k{color:#E9CC38}.studio-code .s{color:#2DD4A0}.studio-code .n{color:#8fb8ff}.studio-code .p{color:rgba(255,255,255,.4)}
.studio-code .caret{display:inline-block;width:7px;height:1em;margin-left:1px;vertical-align:-2px;background:#2DD4A0;animation:libBlink 1s steps(1) infinite}

/* ───────── Bandeaux défilants ───────── */
.lib-marquee{padding:34px 0;border-block:1px solid rgba(255,255,255,.07);overflow:hidden;display:flex;flex-direction:column;gap:14px;background:rgba(255,255,255,.015)}
.mq-track{display:flex;width:max-content;gap:14px}
.mq-track.a{animation:libScrollL 38s linear infinite}
.mq-track.b{animation:libScrollR 44s linear infinite}
.lib-marquee:hover .mq-track{animation-play-state:paused}
.mq-item{flex:none;display:inline-flex;align-items:center;gap:10px;padding:10px 20px;border-radius:100px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.03);font:500 .9rem/1 'Poppins',sans-serif;color:rgba(255,255,255,.78);transition:border-color .3s,color .3s,transform .3s var(--ease)}
.mq-item:hover{border-color:#E9CC38;color:#E9CC38;transform:translateY(-2px)}
.mq-item b{width:7px;height:7px;border-radius:50%;background:#2DD4A0}
.mq-track.b .mq-item b{background:#E9CC38}

/* ───────── Pour qui ───────── */
.lib-for{padding:110px 0 70px}
.lib-for h2,.lib-cta h2{margin:0 0 14px;font:600 clamp(1.9rem,1rem + 2.8vw,3.2rem)/1.08 'Poppins',sans-serif;letter-spacing:-.035em}
.lib-for h2 em,.lib-cta h2 em{font-family:'Fraunces',Georgia,serif;font-style:italic;font-weight:500;color:#E9CC38}
.lib-lead{max-width:50ch;margin:0 0 44px;color:rgba(255,255,255,.6)}
.lib-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media(max-width:900px){.lib-cards{grid-template-columns:1fr}}
.lib-card{position:relative;overflow:hidden;padding:26px;border-radius:20px;border:1px solid rgba(255,255,255,.09);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));transition:transform .5s var(--ease),border-color .4s,box-shadow .5s var(--ease)}
.lib-card:hover{transform:translateY(-6px);border-color:rgba(233,204,56,.5);box-shadow:0 24px 50px rgba(0,0,0,.4)}
.lib-card h3{margin:20px 0 8px;font:600 1.15rem/1.2 'Poppins',sans-serif;letter-spacing:-.02em}
.lib-card p{margin:0;font-size:.93rem;line-height:1.6;color:rgba(255,255,255,.6)}
.lc-demo{position:relative;height:120px;border-radius:14px;background:#141615;border:1px solid rgba(255,255,255,.07);overflow:hidden}
.lib-rv{opacity:0;transform:translateY(40px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:calc(var(--i,0) * .12s)}
.lib-rv.on{opacity:1;transform:none}

/* démo designers : pastilles qui rebondissent + curseur */
.d-sw{position:absolute;bottom:26px;width:34px;height:34px;border-radius:10px;animation:dBounce 2.4s var(--ease) infinite;animation-delay:calc(var(--k) * .18s)}
@keyframes dBounce{0%,100%{transform:translateY(0) scale(1)}40%{transform:translateY(-26px) scale(1.12,.92)}60%{transform:translateY(0) scale(.92,1.08)}}
.d-cursor{position:absolute;top:18px;left:12px;width:18px;height:18px;animation:dCursor 5s ease-in-out infinite}
.d-cursor svg{width:100%;height:100%;fill:#fff;filter:drop-shadow(0 2px 4px rgba(0,0,0,.5))}
@keyframes dCursor{0%,100%{transform:translate(0,0)}25%{transform:translate(70px,36px)}50%{transform:translate(150px,10px)}75%{transform:translate(210px,44px)}}
/* démo devs : lignes de code qui s'écrivent */
.v-line{height:8px;margin:0 0 9px;border-radius:4px;background:rgba(255,255,255,.18);transform-origin:left;animation:vType 4.2s var(--ease) infinite;animation-delay:calc(var(--k) * .35s)}
.v-line.g{background:rgba(45,212,160,.7)}.v-line.y{background:rgba(233,204,56,.75)}
@keyframes vType{0%{transform:scaleX(0)}35%,80%{transform:scaleX(1)}100%{transform:scaleX(0)}}
.v-caret{position:absolute;left:18px;bottom:16px;width:8px;height:14px;background:#2DD4A0;animation:libBlink 1s steps(1) infinite}
/* démo vibecoders : prompt → résultat */
.b-prompt{position:absolute;left:14px;right:14px;top:14px;padding:9px 12px;border-radius:100px;background:rgba(255,255,255,.07);font:500 .72rem/1 'Poppins',sans-serif;color:rgba(255,255,255,.7);white-space:nowrap;overflow:hidden}
.b-prompt span{display:inline-block;overflow:hidden;vertical-align:bottom;max-width:0;animation:bType 5s steps(28) infinite}
@keyframes bType{0%{max-width:0}40%,85%{max-width:230px}100%{max-width:0}}
.b-card{position:absolute;left:50%;bottom:14px;width:96px;height:48px;margin-left:-48px;border-radius:12px;background:linear-gradient(135deg,#007A5A,#2DD4A0);animation:bPop 5s var(--ease) infinite}
@keyframes bPop{0%,40%{transform:translateY(30px) scale(.6);opacity:0}52%{transform:translateY(-4px) scale(1.08);opacity:1}60%,85%{transform:none;opacity:1}100%{transform:translateY(30px) scale(.6);opacity:0}}
.b-spark{position:absolute;width:6px;height:6px;border-radius:50%;background:#E9CC38;opacity:0;animation:bSpark 5s ease-out infinite}
@keyframes bSpark{0%,48%{opacity:0;transform:translate(0,0)}56%{opacity:1}80%,100%{opacity:0;transform:translate(var(--dx),var(--dy))}}

/* ───────── Appel final ───────── */
.lib-cta{position:relative;padding:90px 0 120px;text-align:center;overflow:hidden}
.lib-cta .ring{position:absolute;left:50%;top:50%;width:620px;height:620px;margin:-310px 0 0 -310px;border-radius:50%;border:1px dashed rgba(233,204,56,.22);animation:libOrbit 60s linear infinite;pointer-events:none}
.lib-cta .ring.r2{width:860px;height:860px;margin:-430px 0 0 -430px;border-color:rgba(45,212,160,.16);animation-duration:90s;animation-direction:reverse}
.lib-cta .ring::after{content:'';position:absolute;top:-5px;left:50%;width:10px;height:10px;border-radius:50%;background:#E9CC38;box-shadow:0 0 16px #E9CC38}
.lib-cta .ring.r2::after{background:#2DD4A0;box-shadow:0 0 16px #2DD4A0}
.lib-cta .lib-wrap{z-index:1}
.lib-cta .lib-btn{opacity:1;animation:none}
.lib-cta p{margin:0 auto 30px;max-width:44ch;color:rgba(255,255,255,.6)}

@media(prefers-reduced-motion:reduce){
  .lib-kicker,.lib-h1 .w,.lib-sub,.lib-btn,.lib-studio,.lib-h1 em{opacity:1;animation:none}
  .lib-rv{opacity:1;transform:none;transition:none}
  .mq-track,.lib-bg .orb,.studio-chip,.lib-cta .ring,.d-sw,.d-cursor,.v-line,.v-caret,.b-card,.b-spark,.b-prompt span{animation:none}
  .v-line{transform:none}.b-card{opacity:1}.b-prompt span{max-width:230px}
}