/* =====================================================================
   Céleste et compagnie — feuille de style
   Palette dérivée du logo : ciel, étoile, cœur, nuage.
   ===================================================================== */

:root{
  --sky-50:#F6FAFE;
  --sky-100:#EAF3FC;
  --sky-200:#CFE2F5;
  --sky-300:#A9CCEE;

  --blue:#5B7FB9;
  --blue-deep:#3E5F92;

  --ink:#2B3A52;
  --muted:#6B7C96;

  --coral:#E9776B;
  --coral-soft:#FCE9E6;
  --yellow:#F8CE6E;
  --yellow-soft:#FDF2DA;
  --mint:#7FC6A8;
  --mint-soft:#E5F4ED;
  --lav:#9C8FD1;
  --lav-soft:#EEEBF9;

  --white:#fff;
  --line:rgba(43,58,82,.10);

  --radius:26px;
  --radius-sm:16px;
  --shadow:0 20px 44px -26px rgba(43,58,82,.34);
  --shadow-lg:0 34px 70px -34px rgba(43,58,82,.40);

  --shell:1160px;
  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Nunito",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  color:var(--ink);
  background:var(--white);
  overflow-x:clip;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-deep);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--coral)}
h1,h2,h3,h4{margin:0 0 .5em;font-family:var(--sans);font-weight:800;line-height:1.2;letter-spacing:-.02em}
h1{font-size:clamp(2.05rem,4.2vw,3.15rem)}
h2{font-size:clamp(1.72rem,3vw,2.3rem)}
h3{font-size:1.25rem;letter-spacing:-.01em}
p{margin:0 0 1.1em}
ul{margin:0 0 1.1em;padding-left:1.2em}
li{margin-bottom:.45em}
strong{font-weight:800}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}

.shell{width:min(100% - 40px,var(--shell));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--white);padding:12px 20px;border-radius:0 0 12px 0;font-weight:700}
.skip-link:focus{left:0}

/* ---------- Logo ---------- */
.logo{display:inline-flex;align-items:center;gap:11px;text-decoration:none;color:inherit}
.logo-mark{width:52px;height:auto;flex:none}
.logo-text{display:flex;flex-direction:column;line-height:1}
.logo-word{font-family:var(--serif);font-size:1.72rem;font-weight:600;color:var(--blue);letter-spacing:.005em}
.logo-sub{font-size:.66rem;font-weight:700;letter-spacing:.13em;margin-top:3px;white-space:pre}
.logo-sub i{font-style:normal}
.logo-sub i:nth-child(1),.logo-sub i:nth-child(2){color:var(--mint)}
.logo-sub i:nth-child(3),.logo-sub i:nth-child(4){color:var(--coral)}
.logo-sub i:nth-child(5){color:var(--yellow)}
.logo-sub i:nth-child(6),.logo-sub i:nth-child(7){color:var(--lav)}
.logo-sub i:nth-child(8),.logo-sub i:nth-child(9){color:var(--mint)}
.logo-sub i:nth-child(10){color:var(--yellow)}
.logo-sub i:nth-child(11){color:var(--coral)}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 30px;border-radius:999px;border:1.5px solid transparent;
  font-family:var(--sans);font-size:1rem;font-weight:800;line-height:1.2;
  text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 14px 26px -14px rgba(233,119,107,.85)}
.btn-primary:hover{background:#e2685b;color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(233,119,107,.95)}
.btn-secondary{background:var(--white);color:var(--blue-deep);border-color:rgba(91,127,185,.35)}
.btn-secondary:hover{background:var(--sky-100);color:var(--blue-deep);transform:translateY(-2px);border-color:var(--blue)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 14px 26px -14px rgba(91,127,185,.9)}
.btn-blue:hover{background:var(--blue-deep);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--blue-deep);border-color:rgba(255,255,255,.6)}
.btn-sm{padding:11px 22px;font-size:.94rem}
.btn-block{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ---------- En-tête ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);transition:box-shadow .25s ease,background-color .25s ease}
.site-header.is-stuck{box-shadow:0 10px 30px -22px rgba(43,58,82,.55);background:rgba(255,255,255,.95)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:84px}
.header-right{display:flex;align-items:center;gap:34px}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{position:relative;text-decoration:none;color:var(--ink);font-weight:700;font-size:.98rem;padding:6px 0}
.main-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;border-radius:2px;background:var(--coral);transition:right .22s ease}
.main-nav a:hover{color:var(--blue-deep)}
.main-nav a:hover::after,.main-nav a.is-active::after{right:0}
.main-nav a.is-active{color:var(--blue-deep)}
.nav-toggle{display:none;background:var(--white);border:1.5px solid var(--line);border-radius:14px;width:46px;height:46px;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle-bars{display:block;width:20px;height:14px;position:relative}
.nav-toggle-bars i{position:absolute;left:0;right:0;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .2s ease}
.nav-toggle-bars i:nth-child(1){top:0}
.nav-toggle-bars i:nth-child(2){top:6px}
.nav-toggle-bars i:nth-child(3){top:12px}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Sections ---------- */
.section{padding:96px 0}
.section-sm{padding:70px 0}
.section-sky{background:linear-gradient(180deg,var(--sky-50),var(--sky-100))}
.section-tint{background:var(--sky-50)}
.section-head{max-width:760px;margin:0 auto 56px;text-align:center}
.section-head.left{margin-inline:0;text-align:left}
.section-head p{color:var(--muted);font-size:1.09rem;margin-bottom:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.79rem;font-weight:800;letter-spacing:.15em;text-transform:uppercase;
  color:var(--blue);background:var(--sky-100);
  padding:7px 16px;border-radius:999px;margin-bottom:20px;
}
.eyebrow-coral{color:#c9564a;background:var(--coral-soft)}
.eyebrow-mint{color:#3f8e6e;background:var(--mint-soft)}
.lead{font-size:1.17rem;color:var(--muted)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(170deg,#FCFEFF 0%,var(--sky-100) 55%,#E3EFFB 100%);padding:70px 0 100px}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.hero h1{margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero-lead{font-size:1.2rem;color:#4c5b73;max-width:34em}
.hero-note{margin-top:26px;font-size:.95rem;color:var(--muted);display:flex;align-items:center;gap:10px}
.hero-note svg{flex:none}
.hero-art{position:relative;display:flex;justify-content:center}
.hero-card{
  position:relative;background:var(--white);border-radius:34px;padding:38px 34px;
  box-shadow:var(--shadow-lg);max-width:420px;width:100%;text-align:center;
}
.hero-card img{width:150px;margin:0 auto 18px}
.hero-card h2{font-size:1.5rem;font-family:var(--sans);font-weight:800;margin-bottom:10px}
.hero-card p{color:var(--muted);font-size:.98rem;margin-bottom:20px}
.hero-blob{position:absolute;border-radius:50%;filter:blur(2px);opacity:.5;pointer-events:none}
.hero-blob-1{width:190px;height:190px;background:var(--yellow-soft);top:-40px;right:-30px}
.hero-blob-2{width:150px;height:150px;background:var(--mint-soft);bottom:-40px;left:-40px}

/* Compteur du hero */
.hero-meter{margin-top:8px;text-align:left}
.hero-meter-top{display:flex;justify-content:space-between;align-items:baseline;font-size:.86rem;font-weight:700;color:var(--muted);margin-bottom:8px}
.hero-meter-top b{color:var(--blue-deep);font-size:1.02rem}
.meter{height:12px;border-radius:999px;background:var(--sky-100);overflow:hidden}
.meter i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--yellow),var(--coral));min-width:8px}

/* ---------- Bandeau de chiffres ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;text-align:center;box-shadow:var(--shadow)}
.stat b{display:block;font-family:var(--sans);font-size:2.3rem;font-weight:800;letter-spacing:-.02em;line-height:1;color:var(--blue);margin-bottom:8px}
.stat span{font-size:.96rem;color:var(--muted);font-weight:600}
.stat:nth-child(2) b{color:var(--coral)}
.stat:nth-child(3) b{color:var(--mint)}
.stat:nth-child(4) b{color:var(--lav)}

/* ---------- Cartes ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.cards-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card p:last-child{margin-bottom:0}
.card-icon{
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
  font-size:1.6rem;margin-bottom:20px;background:var(--sky-100);
}
.card-icon.c-coral{background:var(--coral-soft)}
.card-icon.c-yellow{background:var(--yellow-soft)}
.card-icon.c-mint{background:var(--mint-soft)}
.card-icon.c-lav{background:var(--lav-soft)}
.card p{color:var(--muted);font-size:1rem}

/* ---------- Étapes ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:step}
.step{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:36px 30px 32px;box-shadow:var(--shadow)}
.step-num{
  position:absolute;top:-20px;left:30px;width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;font-weight:800;font-size:1.05rem;color:#fff;
  background:var(--blue);box-shadow:0 12px 22px -12px rgba(91,127,185,.9);
}
.step:nth-child(2) .step-num{background:var(--coral);box-shadow:0 12px 22px -12px rgba(233,119,107,.9)}
.step:nth-child(3) .step-num{background:var(--mint);box-shadow:0 12px 22px -12px rgba(127,198,168,.9)}
.step h3{margin-top:12px}
.step p{color:var(--muted);margin-bottom:0}

/* ---------- Bloc en deux colonnes ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split-media{position:relative}
.split-visual{
  background:linear-gradient(160deg,var(--sky-100),var(--sky-200));
  border-radius:34px;padding:52px 44px;text-align:center;box-shadow:var(--shadow-lg);
}
.split-visual img{width:170px;margin:0 auto 22px}
.split-visual .quote{font-family:var(--sans);font-size:1.18rem;font-weight:600;font-style:italic;color:var(--blue-deep);line-height:1.55;margin:0}
.split-visual .quote-by{display:block;margin-top:16px;font-family:var(--sans);font-style:normal;font-size:.86rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

/* Liste à puces cochées */
.check-list{list-style:none;padding:0;margin:24px 0 0}
.check-list li{position:relative;padding-left:38px;margin-bottom:15px;color:#4c5b73}
.check-list li::before{
  content:"";position:absolute;left:0;top:2px;width:24px;height:24px;border-radius:50%;
  background:var(--mint-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237FC6A8' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/13px no-repeat;
}
.check-list li strong{color:var(--ink)}

/* ---------- Bandeau d'appel ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--blue) 0%,#6E93C9 55%,var(--lav) 100%);
  border-radius:36px;padding:64px 56px;color:#fff;text-align:center;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.92);max-width:56ch;margin-inline:auto;font-size:1.09rem}
.cta-band .btn-row{justify-content:center}
.cta-band .btn-primary{background:#fff;color:var(--blue-deep);box-shadow:0 16px 30px -16px rgba(0,0,0,.5)}
.cta-band .btn-primary:hover{background:var(--yellow-soft);color:var(--blue-deep)}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.65)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.cta-band::before,.cta-band::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.10);pointer-events:none}
.cta-band::before{width:280px;height:280px;top:-120px;right:-70px}
.cta-band::after{width:200px;height:200px;bottom:-110px;left:-50px}

/* ---------- Page : en-tête ---------- */
.page-hero{background:linear-gradient(175deg,#FCFEFF,var(--sky-100));padding:64px 0 72px;text-align:center}
.page-hero .lead{max-width:64ch;margin-inline:auto;margin-bottom:0}
.page-hero h1{margin-bottom:18px}

/* ---------- Contenu rédactionnel ---------- */
.prose{max-width:74ch;margin-inline:auto}
.prose h2{margin-top:52px}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:34px}
.prose ul{color:#4c5b73}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin-inline:auto}
.faq details{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:14px;box-shadow:0 12px 26px -22px rgba(43,58,82,.5);
}
.faq summary{
  cursor:pointer;padding:22px 56px 22px 26px;font-weight:800;font-size:1.05rem;position:relative;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:24px;top:50%;width:11px;height:11px;
  border-right:2.5px solid var(--blue);border-bottom:2.5px solid var(--blue);
  transform:translateY(-70%) rotate(45deg);transition:transform .22s ease;
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details p{margin:0 26px 24px;color:var(--muted)}
.faq details p+p{margin-top:-6px}

/* ---------- Formulaire ---------- */
.form-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:38px 36px;box-shadow:var(--shadow)}
.field{margin-bottom:20px}
.field label{display:block;font-weight:700;font-size:.95rem;margin-bottom:7px}
.field .hint{font-weight:500;color:var(--muted);font-size:.87rem}
.field input,.field textarea,.field select{
  width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:14px;
  font-family:var(--sans);font-size:1rem;color:var(--ink);background:var(--sky-50);
  transition:border-color .18s ease,background-color .18s ease;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--blue);background:#fff}
.field textarea{min-height:150px;resize:vertical}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field-check{display:flex;gap:12px;align-items:flex-start;font-size:.93rem;color:var(--muted)}
.field-check input{width:auto;margin-top:4px;flex:none}
.hp{position:absolute;left:-9999px}
.alert{border-radius:var(--radius-sm);padding:18px 22px;margin-bottom:26px;font-weight:600}
.alert-ok{background:var(--mint-soft);color:#2f7357;border:1px solid rgba(127,198,168,.5)}
.alert-error{background:var(--coral-soft);color:#b34b3f;border:1px solid rgba(233,119,107,.45)}
.contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:start}
.contact-aside .card{margin-bottom:20px}
.contact-aside .card:last-child{margin-bottom:0}

/* ---------- Pied de page ---------- */
.site-footer{background:var(--sky-50);border-top:1px solid var(--line);padding:70px 0 34px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px}
.footer-brand .logo{margin-bottom:16px}
.footer-baseline{color:var(--muted);font-size:.97rem;max-width:38ch}
.footer-social{display:flex;gap:16px;font-size:.92rem;font-weight:700}
.footer-col{display:flex;flex-direction:column;gap:11px}
.footer-col h2{font-family:var(--sans);font-size:.8rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);margin-bottom:6px}
.footer-col a,.footer-addr{color:var(--muted);text-decoration:none;font-size:.96rem}
.footer-col a:hover{color:var(--coral)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:52px;padding-top:26px;border-top:1px solid var(--line);
  font-size:.88rem;color:var(--muted);
}
.footer-bottom p{margin:0}
.footer-legal{display:flex;gap:10px;align-items:center}
.footer-legal a{color:var(--muted);text-decoration:none}
.footer-legal a:hover{color:var(--coral)}

/* ---------- Apparition au défilement ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-art{order:-1}
  .hero-card{max-width:380px}
  .split{grid-template-columns:1fr;gap:44px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
}

@media (max-width:880px){
  .nav-toggle{display:inline-flex}
  .header-right{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;padding:18px 20px 24px;
    box-shadow:0 22px 40px -26px rgba(43,58,82,.6);
    border-top:1px solid var(--line);
    display:none;
  }
  .header-right.is-open{display:flex}
  .main-nav{flex-direction:column;align-items:stretch;gap:0}
  .main-nav a{padding:14px 6px;border-bottom:1px solid var(--line);font-size:1.05rem}
  .main-nav a::after{display:none}
  .header-right .btn{margin-top:16px;width:100%}
  .site-header{position:sticky}
  .header-inner{position:relative}
}

@media (max-width:760px){
  body{font-size:16px}
  .section{padding:64px 0}
  .section-sm{padding:48px 0}
  .section-head{margin-bottom:38px}
  .cards,.cards-2,.steps{grid-template-columns:1fr}
  .step-num{top:-18px}
  .cta-band{padding:46px 28px;border-radius:28px}
  .field-row{grid-template-columns:1fr;gap:0}
  .form-panel{padding:28px 22px}
  .hero{padding:44px 0 72px}
  .btn{width:100%}
  .btn-row .btn{width:100%}
  .split-visual{padding:38px 26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

@media (max-width:540px){
  .stats{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .logo-mark{width:44px}
  .logo-word{font-size:1.5rem}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

@media print{
  .site-header,.site-footer,.btn,.nav-toggle{display:none!important}
  body{font-size:12pt}
}