:root{
  --ink:#0B1F3A; --ink-2:#132C4F; --paper:#F7F8FA; --white:#fff;
  --orange:#FF6A2B; --orange-2:#E8551A; --teal:#14B8A6; --teal-2:#0E8F81;
  --sky:#E6F6F4; --peach:#FFEDE4; --line:#DFE4EA; --muted:#55627A;
  --display:"Plus Jakarta Sans","Segoe UI",system-ui,sans-serif;
  --body:"Plus Jakarta Sans","Segoe UI",system-ui,sans-serif;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-behavior:smooth;scroll-padding-top:calc(96px + env(safe-area-inset-top,0px))}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.65 var(--body);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:var(--teal-2)}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:6px}
.wrap{width:min(1180px,100% - 2.5rem);margin-inline:auto}
.narrow{width:min(780px,100% - 2.5rem);margin-inline:auto}
h1,h2,h3,h4{font-family:var(--display);font-weight:800;line-height:1.05;letter-spacing:-.035em;margin:0}
h2{font-size:clamp(2rem,4.4vw,3.2rem);margin-bottom:1rem}
p{margin:0 0 1rem;max-width:64ch}
.lead{font-size:1.15rem;color:var(--muted)}
section{padding:5.5rem 0}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.8rem 1rem;z-index:99}
.skip:focus{left:1rem;top:1rem}

/* Header */
.hdr{position:sticky;top:calc(12px + env(safe-area-inset-top,0px));z-index:40;margin:12px auto 0;width:min(1220px,100% - 1.5rem)}
.nav{position:relative;display:flex;align-items:center;justify-content:space-between;gap:1rem;height:66px;padding:0 .55rem 0 1.1rem;background:rgba(255,255,255,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:999px;box-shadow:0 10px 30px -18px rgba(11,31,58,.35)}
.logo{display:flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--ink);font:800 1.12rem var(--display);letter-spacing:-.02em;white-space:nowrap}
.logo i{width:34px;height:34px;border-radius:11px;background:var(--ink);display:grid;place-items:center;flex:none}
.logo i svg{width:21px;height:21px}
.logo small{display:block;font:500 .7rem var(--body);color:var(--muted);letter-spacing:0}
.nav ul{display:flex;gap:.15rem;list-style:none;margin:0;padding:0}
.nav ul a{display:block;text-decoration:none;color:var(--ink);font-weight:500;font-size:.97rem;padding:.5rem .8rem;border-radius:999px}
.nav ul a:hover,.nav ul a[aria-current]{background:var(--sky)}
.burger{display:none;width:44px;height:44px;border-radius:50%;border:0;background:var(--sky);cursor:pointer}
.burger span{display:block;width:18px;height:2px;background:var(--ink);margin:4px auto;border-radius:2px}
.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--orange);color:#fff;text-decoration:none;font:700 1rem var(--body);padding:.85rem 1.35rem;border-radius:999px;border:0;cursor:pointer;transition:background .15s,transform .15s;white-space:nowrap}
.btn:hover{background:var(--orange-2)}
.btn:active{transform:scale(.98)}
.btn.dark{background:var(--ink)} .btn.dark:hover{background:var(--ink-2)}
.btn.light{background:#fff;color:var(--ink)} .btn.light:hover{background:var(--sky)}
.btn.line{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.5)}
.btn.line:hover{background:rgba(255,255,255,.1)}
.btn.outline{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn.outline:hover{background:var(--ink);color:#fff}

/* Hero */
.hero{position:relative;margin-top:-78px;padding:9.5rem 0 5.5rem;background:var(--ink);color:#fff;overflow:hidden;border-radius:0 0 36px 36px}
.hero::before{content:"";position:absolute;width:760px;height:760px;right:-220px;top:-240px;background:radial-gradient(circle,rgba(20,184,166,.45),transparent 65%)}
.hero::after{content:"";position:absolute;width:560px;height:560px;left:-220px;bottom:-280px;background:radial-gradient(circle,rgba(255,106,43,.3),transparent 65%)}
.hero .wrap{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}
.badge{display:inline-flex;align-items:center;gap:.5rem;font-size:.9rem;font-weight:500;padding:.4rem .9rem .4rem .45rem;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);margin-bottom:1.5rem}
.badge b{background:var(--orange);color:#fff;border-radius:999px;padding:.1rem .6rem;font-size:.8rem}
.hero h1{font-size:clamp(2.7rem,6.4vw,5.4rem)}
.hero h1 span{color:var(--teal)}
.hero p{font-size:1.18rem;color:#C3CDDD;margin-top:1.4rem}
.ctas{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12);border-radius:22px;overflow:hidden;margin-top:4rem}
.facts div{background:var(--ink);padding:1.3rem 1.4rem}
.facts b{display:block;font:800 1.7rem var(--display);color:#fff}
.facts span{font-size:.92rem;color:#A9B6CA}

/* Petite hero pages internes */
.phero{margin-top:-78px;padding:8.5rem 0 3.5rem;background:var(--ink);color:#fff;border-radius:0 0 36px 36px;position:relative;overflow:hidden}
.phero::before{content:"";position:absolute;width:600px;height:600px;right:-200px;top:-260px;background:radial-gradient(circle,rgba(20,184,166,.4),transparent 65%)}
.phero .wrap,.phero .narrow{position:relative}
.phero h1{font-size:clamp(2.2rem,5vw,3.8rem);max-width:20ch}
.phero p{color:#C3CDDD;font-size:1.12rem;margin-top:1rem}
.crumbs{font-size:.88rem;color:#A9B6CA;margin-bottom:1.2rem}
.crumbs a{color:#fff;text-decoration:none}
.crumbs a:hover{text-decoration:underline}

/* Scène hero */
.scene{position:relative;height:440px}
.card{position:absolute;background:#fff;color:var(--ink);border-radius:22px;box-shadow:0 30px 60px -25px rgba(0,0,0,.6)}
.post{width:290px;top:0;left:6%;padding:14px;transform:rotate(-4deg)}
.post .who{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:.9rem}
.post .who i{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--orange))}
.post .who small{display:block;font-weight:500;color:var(--muted);font-size:.75rem}
.post .img{height:170px;border-radius:14px;margin:12px 0;background:linear-gradient(135deg,#BDEFE8,#FFD5C2);display:grid;place-items:center;font:800 1.5rem/1.1 var(--display);text-align:center}
.post .stats{display:flex;gap:1rem;font-size:.85rem;font-weight:700}
.heart{color:var(--orange)}
.deal{width:270px;right:0;bottom:10px;padding:18px;transform:rotate(3deg)}
.deal h3{font-size:1.1rem;margin-bottom:.6rem}
.deal .row{display:flex;justify-content:space-between;font-size:.85rem;color:var(--muted);padding:.35rem 0;border-bottom:1px dashed var(--line)}
.deal .st{margin-top:.8rem;display:inline-flex;gap:.4rem;font-weight:700;font-size:.85rem;background:var(--sky);color:var(--teal-2);padding:.35rem .7rem;border-radius:999px}
.notif{position:absolute;left:0;bottom:120px;background:var(--orange);color:#fff;font-weight:700;font-size:.85rem;padding:.6rem 1rem;border-radius:14px;box-shadow:0 20px 40px -18px rgba(255,106,43,.9)}
.anim .post{animation:inL .7s cubic-bezier(.2,.8,.2,1) both}
.anim .deal{animation:inR .7s .25s cubic-bezier(.2,.8,.2,1) both}
.anim .notif{animation:pop .5s .8s cubic-bezier(.3,1.6,.5,1) both}
@keyframes inL{from{opacity:0;transform:translate(-30px,20px) rotate(-10deg)}to{opacity:1;transform:rotate(-4deg)}}
@keyframes inR{from{opacity:0;transform:translate(30px,20px) rotate(9deg)}to{opacity:1;transform:rotate(3deg)}}
@keyframes pop{from{opacity:0;transform:scale(.6)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.anim .post,.anim .deal,.anim .notif{animation:none}html{scroll-behavior:auto}}

/* Bento */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:1rem;margin-top:2.8rem}
.tile{border-radius:26px;padding:2rem;text-decoration:none;color:inherit;display:block}
.tile h3{font-size:1.6rem;margin-bottom:.7rem}
.tile p{margin:0;opacity:.88}
.t1{grid-column:span 4;background:var(--teal);color:#fff;min-height:270px}
.t2{grid-column:span 2;background:var(--orange);color:#fff}
.t3{grid-column:span 2;background:var(--white);border:1px solid var(--line)}
.t4{grid-column:span 4;background:var(--ink);color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.4rem}
.chips span{font-size:.9rem;font-weight:500;padding:.4rem .85rem;border-radius:999px;background:rgba(255,255,255,.16)}
.t3 .chips span{background:var(--sky)}
.big{font:800 clamp(3rem,7vw,5rem)/1 var(--display);letter-spacing:-.04em;margin-bottom:.4rem}

/* Catalogue */
.bg-white{background:var(--white);border-radius:36px;margin:0 .75rem}
.head{display:flex;justify-content:space-between;align-items:end;gap:2rem;flex-wrap:wrap}
.tabs{display:inline-flex;gap:.3rem;padding:.35rem;background:var(--sky);border-radius:999px;flex-wrap:wrap}
.tabs button{font:700 .95rem var(--body);padding:.6rem 1.1rem;border-radius:999px;border:0;background:transparent;color:var(--ink);cursor:pointer}
.tabs button[aria-pressed="true"]{background:var(--ink);color:#fff}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2.5rem}
.course{display:flex;flex-direction:column;text-decoration:none;color:inherit;background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:1.6rem;transition:border-color .15s,transform .15s}
.course:hover{border-color:var(--teal);transform:translateY(-3px)}
.course[hidden]{display:none}
.cat{align-self:flex-start;display:inline-block;font-size:.8rem;font-weight:700;padding:.3rem .75rem;border-radius:999px;margin-bottom:1.1rem}
.cat.mkt{background:var(--sky);color:var(--teal-2)}
.cat.com{background:var(--peach);color:#C24411}
.course h3{font-size:1.32rem;line-height:1.12;margin-bottom:.7rem}
.course p{font-size:.95rem;color:var(--muted);margin:0 0 1.3rem}
.course .more{margin-top:auto;font-weight:700;color:var(--orange-2)}
.course.all{background:var(--ink);color:#fff;border-color:var(--ink)}
.course.all p{color:#C3CDDD}
.course.all .more{color:var(--teal)}

/* Features */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2.6rem}
.feat{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:1.7rem}
.feat .ic{width:46px;height:46px;border-radius:14px;background:var(--sky);display:grid;place-items:center;margin-bottom:1.1rem}
.feat .ic svg{width:24px;height:24px;stroke:var(--teal-2);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.feat h3{font-size:1.2rem;margin-bottom:.5rem}
.feat p{color:var(--muted);font-size:.97rem;margin:0}

/* Étapes */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2.6rem;list-style:none;padding:0;counter-reset:s}
.steps li{counter-increment:s;background:var(--white);border:1px solid var(--line);border-radius:22px;padding:1.6rem}
.steps li::before{content:counter(s);display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:var(--orange);color:#fff;font:800 1.2rem var(--display);margin-bottom:1.1rem}
.steps strong{display:block;font:800 1.2rem var(--display);margin-bottom:.4rem}
.steps span{color:var(--muted);font-size:.97rem}

/* Boîtes */
.split{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.split3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.box{border-radius:28px;padding:2.4rem;background:var(--white);border:1px solid var(--line)}
.box.sky{background:var(--sky);border-color:transparent}
.box.peach{background:var(--peach);border-color:transparent}
.box.dark{background:var(--ink);color:#DCE3EE;border-color:var(--ink)}
.box.dark h2,.box.dark h3{color:#fff}
.box.dark a{color:var(--teal)}
.box h2{font-size:clamp(1.8rem,3.4vw,2.5rem)}
.box h3{font-size:1.35rem;margin-bottom:.6rem}
.list{list-style:none;padding:0;margin:1.1rem 0 0}
.list li{position:relative;padding:.7rem 0 .7rem 1.4rem;border-top:1px solid rgba(120,135,160,.25)}
.list li::before{content:"";position:absolute;left:0;top:1.25rem;width:10px;height:10px;border-radius:3px;background:var(--orange)}
.small{font-size:.92rem;opacity:.8;margin-top:1rem}
.funders{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2.4rem}
.funder{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:1.5rem}
.funder b{display:block;font:800 1.25rem var(--display);margin-bottom:.35rem}
.funder span{color:var(--muted);font-size:.95rem}

/* FAQ */
.faq{margin-top:2.2rem;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem;padding:1.3rem 0;font:700 1.12rem var(--body)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:800 1.5rem/1 var(--display);color:var(--orange);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding-bottom:1.2rem;margin:0}

/* Contact & formulaires */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:3rem;align-items:start}
.info{display:grid;gap:.8rem;margin-top:2rem}
.info div{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:1rem 1.2rem}
.info small{display:block;font-weight:700;color:var(--teal-2);font-size:.85rem}
form.f{background:var(--white);border:1px solid var(--line);border-radius:28px;padding:2.2rem;display:grid;gap:1rem;box-shadow:0 30px 60px -40px rgba(11,31,58,.4)}
form.f h3{font-size:1.3rem;margin-top:.6rem}
label{font-weight:700;font-size:.92rem;display:grid;gap:.4rem}
label.chk{display:flex;gap:.6rem;align-items:flex-start;font-weight:500}
label.chk input{width:auto;margin-top:.3rem}
input,select,textarea{font:400 1rem var(--body);padding:.85rem 1rem;border:1.5px solid var(--line);border-radius:14px;background:var(--paper);color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 4px rgba(20,184,166,.18)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.formmsg{font-size:.95rem;color:var(--teal-2);min-height:1.4em;margin:0;font-weight:600}
.legalnote{font-size:.85rem;color:var(--muted);margin:0}

/* Fiche formation */
.fiche{display:grid;grid-template-columns:1fr 340px;gap:2.5rem;align-items:start}
.fiche article h2{font-size:1.7rem;margin:2.4rem 0 1rem}
.fiche article h2:first-child{margin-top:0}
.fiche article ul{padding-left:1.2rem}
.fiche article li{margin:.35rem 0}
.module{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:1.3rem 1.5rem;margin-bottom:.8rem}
.module h3{font-size:1.1rem;margin-bottom:.4rem}
.module ul{margin:0}
.aside{position:sticky;top:110px;background:var(--white);border:1px solid var(--line);border-radius:26px;padding:1.8rem}
.aside dl{margin:0 0 1.4rem}
.aside dt{font-size:.85rem;font-weight:700;color:var(--teal-2);margin-top:.9rem}
.aside dd{margin:.1rem 0 0}
.aside .btn{width:100%;justify-content:center;margin-top:.6rem}

/* Quiz */
.quiz{background:var(--white);border:1px solid var(--line);border-radius:28px;padding:2.4rem}
.qbar{height:8px;background:var(--sky);border-radius:99px;overflow:hidden;margin-bottom:1.8rem}
.qbar i{display:block;height:100%;background:var(--teal);width:0;transition:width .3s}
.quiz h2{font-size:clamp(1.5rem,3vw,2rem)}
.opts{display:grid;gap:.7rem;margin-top:1.5rem}
.opts button{text-align:left;font:500 1.02rem var(--body);padding:1rem 1.2rem;border-radius:16px;border:1.5px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer}
.opts button:hover{border-color:var(--teal);background:var(--sky)}

/* Articles */
.post-list{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2.4rem}
.prose h2{font-size:1.8rem;margin:2.4rem 0 1rem}
.prose h3{font-size:1.3rem;margin:1.8rem 0 .7rem}
.prose ul{padding-left:1.2rem}
.prose li{margin:.35rem 0}
.prose p,.prose li{max-width:70ch}
.prose table{border-collapse:collapse;width:100%;margin:1rem 0}
.prose th,.prose td{border:1px solid var(--line);padding:.6rem .8rem;text-align:left;vertical-align:top}
.tablewrap{overflow-x:auto}

/* CTA final + footer */
.final{background:linear-gradient(120deg,var(--teal-2),var(--teal));color:#fff;border-radius:32px;padding:3.4rem;display:flex;justify-content:space-between;align-items:center;gap:2rem;flex-wrap:wrap}
.final h2{font-size:clamp(1.9rem,4vw,2.8rem);margin:0;max-width:20ch}
.final p{margin:.6rem 0 0;color:#E3FBF8}
footer{background:var(--ink);color:#AEBBD0;padding:4rem 0 2rem;margin-top:5.5rem;font-size:.94rem}
footer .cols{display:grid;grid-template-columns:1.3fr 1fr 1.2fr 1fr 1fr;gap:2rem}
footer h3{font:800 1.02rem var(--display);color:#fff;margin-bottom:.8rem}
footer a{color:#fff;text-decoration:none}
footer a:hover{text-decoration:underline}
footer p{margin:0 0 .45rem}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:0 0 .45rem}
.legal{border-top:1px solid rgba(255,255,255,.12);margin-top:2.5rem;padding-top:1.4rem;font-size:.85rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.float{position:fixed;right:1rem;bottom:calc(1rem + env(safe-area-inset-bottom,0px));z-index:30;box-shadow:0 15px 30px -10px rgba(255,106,43,.7)}

@media (max-width:1080px){footer .cols{grid-template-columns:1fr 1fr 1fr}}
@media (max-width:980px){
  .hero-grid,.split,.contact,.fiche,.split3{grid-template-columns:1fr}
  .scene{height:400px;max-width:460px}
  .grid,.features,.post-list{grid-template-columns:1fr 1fr}
  .steps,.funders,.facts{grid-template-columns:1fr 1fr}
  .t1,.t2,.t3,.t4{grid-column:span 6}
  .aside{position:static}
  .burger{display:block}
  .nav ul{display:none;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:24px;padding:.6rem;box-shadow:0 20px 40px -20px rgba(11,31,58,.35)}
  .nav ul.open{display:flex}
  .nav ul a{padding:.85rem 1rem}
  .nav > .btn{display:none}
}
@media (max-width:600px){
  section{padding:4.2rem 0}
  .grid,.steps,.row2,.features,.post-list,.funders,footer .cols{grid-template-columns:1fr}
  .post{width:240px;left:0}.post .img{height:130px}
  .deal{width:230px}.scene{height:380px}
  .box,.final,form.f,.quiz{padding:1.6rem}
  .bg-white{margin:0;border-radius:28px}
  .float{display:none}
}
.labels{display:flex;align-items:center;gap:1.2rem;margin-top:2.2rem;padding:1.2rem 1.4rem;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:18px;font-size:.9rem}
.labels img{height:64px;width:auto;background:#fff;border-radius:10px;padding:6px}
.labels b{color:#fff}

/* ===== Glassmorphism & micro-interactions ===== */
.hero .badge,.facts{backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.facts{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.12)}
.facts div{background:rgba(11,31,58,.55)}
.hero .card{background:rgba(255,255,255,.92);backdrop-filter:blur(10px)}
.hero::before{animation:drift 14s ease-in-out infinite alternate}
@keyframes drift{to{transform:translate(-60px,40px) scale(1.08)}}
.course,.feat,.steps li,.funder,.box,.module{transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.course:hover,.feat:hover,.funder:hover{box-shadow:0 18px 40px -22px rgba(11,31,58,.45)}
.feat:hover,.funder:hover{transform:translateY(-3px);border-color:var(--teal)}
.course{position:relative;overflow:hidden}
.course::after{content:"";position:absolute;inset:auto -40% -60% auto;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(20,184,166,.18),transparent 70%);opacity:0;transition:opacity .25s}
.course:hover::after{opacity:1}
@media (prefers-reduced-motion:reduce){.hero::before{animation:none}.course:hover,.feat:hover,.funder:hover{transform:none}}

/* Chiffres clés fiche */
.keyfacts{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:2.5rem}
.keyfacts div{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:1.2rem 1.4rem}
.keyfacts small{display:block;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--teal-2)}
.keyfacts b{display:block;font-size:1.05rem;margin-top:.3rem;line-height:1.35}
@media (max-width:980px){.keyfacts{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.keyfacts{grid-template-columns:1fr}}
[role=tabpanel][hidden]{display:none}

/* ===== Widget chat ===== */
.chat{position:fixed;right:1.2rem;bottom:calc(1.2rem + env(safe-area-inset-bottom,0px));z-index:60;font-family:var(--body)}
.chat-fab{position:relative;width:62px;height:62px;border-radius:50%;border:0;cursor:pointer;color:#fff;background:linear-gradient(135deg,var(--orange),#FF8A4C);box-shadow:0 18px 36px -12px rgba(255,106,43,.75);display:grid;place-items:center;transition:transform .2s}
.chat-fab:hover{transform:scale(1.06)}
.chat-fab svg{width:28px;height:28px;grid-area:1/1}
.chat-fab .i-close,.chat.open .chat-fab .i-open{display:none}
.chat.open .chat-fab .i-close{display:block}
.chat-dot{position:absolute;top:4px;right:4px;width:14px;height:14px;border-radius:50%;background:var(--teal);border:2px solid #fff}
.chat.open .chat-dot,.chat.seen .chat-dot{display:none}
.chat-panel{position:absolute;right:0;bottom:78px;width:min(380px,calc(100vw - 2.4rem));max-height:min(600px,calc(100vh - 140px));display:flex;flex-direction:column;border-radius:24px;overflow:hidden;background:rgba(255,255,255,.88);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.6);box-shadow:0 40px 80px -30px rgba(11,31,58,.6);animation:chatIn .25s cubic-bezier(.2,.8,.2,1)}
.chat-panel[hidden]{display:none}
@keyframes chatIn{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
.chat-head{display:flex;gap:.8rem;align-items:center;padding:1rem 1.1rem;background:var(--ink);color:#fff}
.chat-head i{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.1);display:grid;place-items:center;flex:none}
.chat-head i svg{width:22px;height:22px}
.chat-head small{display:block;font-size:.75rem;color:#A9B6CA;line-height:1.3}
.chat-body{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.55rem;min-height:180px}
.msg{max-width:85%;padding:.65rem .9rem;border-radius:16px;font-size:.93rem;line-height:1.45}
.msg.bot{background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px;align-self:flex-start}
.msg.me{background:var(--teal-2);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}
.msg a{color:var(--orange-2);font-weight:700}
.typing{display:inline-flex;gap:4px}.typing span{width:6px;height:6px;border-radius:50%;background:#9AA6B8;animation:blink 1s infinite}
.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}
@keyframes blink{50%{opacity:.25}}
.chat-quick{display:flex;flex-wrap:wrap;gap:.4rem;padding:0 1rem .8rem}
.chat-quick button{font:600 .82rem var(--body);padding:.45rem .8rem;border-radius:999px;border:1.5px solid var(--teal);background:#fff;color:var(--teal-2);cursor:pointer}
.chat-quick button:hover{background:var(--sky)}
.chat-lead{padding:0 1rem 1rem;overflow-y:auto}
.chat-form{display:grid;gap:.6rem}
.chat-form label{font-size:.82rem}
.chat-form input,.chat-form textarea{padding:.6rem .75rem;font-size:.92rem;border-radius:12px}
.chat-form .btn{justify-content:center;padding:.7rem}
.chat-input{display:flex;gap:.4rem;padding:.7rem;border-top:1px solid var(--line);background:#fff}
.chat-input input{flex:1;padding:.7rem .9rem;border-radius:999px;font-size:.93rem}
.chat-input button{width:44px;height:44px;flex:none;border-radius:50%;border:0;background:var(--ink);color:#fff;cursor:pointer;font-size:1rem}
.course .meta{display:inline-block;font-size:.85rem;font-weight:700;color:var(--ink);background:var(--white);border:1px solid var(--line);border-radius:999px;padding:.3rem .75rem;margin:-.4rem 0 1rem;align-self:flex-start}