/* PurePro - en-tete, menu et pied de page communs a toutes les pages (commun.css).
   Les regles sont prefixees par .pp-hdr / .pp-foot pour primer sur les styles
   propres a chaque page. Reglages ci-dessous, definis une seule fois. */
:root{--pp-largeur:1180px;--pp-marge:28px;--pp-marge-mobile:20px;--pp-sep:1px solid var(--line);--pp-hdr-fond:color-mix(in srgb,var(--paper) 80%,transparent);--pp-logo:50px;--pp-logo-reduit:40px;--pp-logo-pied:56px}

/* ---------- en-tete ---------- */
.pp-hdr{position:sticky;top:0;inset:auto;z-index:50;padding:14px 0;background:var(--pp-hdr-fond);backdrop-filter:blur(12px) saturate(1.4);border-bottom:var(--pp-sep);box-shadow:none;transition:padding .4s var(--ease),background .4s var(--ease),box-shadow .4s var(--ease)}
.pp-hdr.pp-hdr--accueil{position:fixed;inset:0 0 auto 0;padding:18px 0;background:transparent;backdrop-filter:none;border-bottom:0}
.pp-hdr.pp-hdr--accueil.scrolled{padding:11px 0;background:var(--header-bg,var(--pp-hdr-fond));backdrop-filter:blur(14px) saturate(1.4);box-shadow:0 1px 0 var(--line)}
.pp-hdr .pp-nav{max-width:var(--pp-largeur);margin-inline:auto;padding:0 var(--pp-marge);display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap;gap:clamp(6px,1.6vw,24px)}
.pp-hdr .brand{display:flex;align-items:center;flex:none;min-width:0;padding:0}
.pp-hdr .logo-full{height:clamp(24px,12vw - 32px,var(--pp-logo));width:auto;display:block;transition:height .4s var(--ease)}
.pp-hdr.scrolled .logo-full{height:clamp(22px,11vw - 30px,var(--pp-logo-reduit))}
.pp-hdr .logo-full.dark,.pp-foot .logo-full.dark{display:none}
[data-theme="dark"] .pp-hdr .logo-full.light,[data-theme="dark"] .pp-foot .logo-full.light{display:none}
[data-theme="dark"] .pp-hdr .logo-full.dark,[data-theme="dark"] .pp-foot .logo-full.dark{display:block}
.pp-hdr .menu{display:flex;align-items:center;gap:clamp(14px,2.2vw,30px)}
.pp-hdr .menu a{font-size:.92rem;font-weight:500;color:var(--muted);position:relative;white-space:nowrap;transition:color .3s var(--ease)}
.pp-hdr .menu a::after{content:"";position:absolute;left:0;bottom:-6px;height:1.5px;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan));transition:width .35s var(--ease)}
.pp-hdr .menu a:hover,.pp-hdr .menu a.active{color:var(--ink)}
.pp-hdr .menu a:hover::after,.pp-hdr .menu a.active::after{width:100%}
.pp-hdr .menu .has-sub{position:relative;display:inline-flex}
.pp-hdr .menu .sub{position:absolute;top:100%;left:-16px;padding-top:14px;display:none;z-index:60}
.pp-hdr .menu .has-sub:hover .sub,.pp-hdr .menu .has-sub:focus-within .sub{display:block}
.pp-hdr .menu .sub a{display:block;white-space:nowrap;background:var(--surface);border:1px solid var(--line);border-top:none;padding:11px 18px;font-size:.88rem;color:var(--muted)}
.pp-hdr .menu .sub a:first-child{border-top:1px solid var(--line);border-radius:12px 12px 0 0}
.pp-hdr .menu .sub a:last-child{border-radius:0 0 12px 12px;box-shadow:0 24px 44px -22px rgba(12,43,84,.5)}
.pp-hdr .menu .sub a:hover{color:var(--ink);background:var(--paper-2)}
.pp-hdr .menu .sub a::after{display:none}
.pp-hdr .nav-right{display:flex;align-items:center;flex-wrap:nowrap;min-width:0;gap:clamp(4px,1.2vw,16px)}
.pp-hdr .theme-toggle{width:clamp(34px,8.6vw,42px);height:clamp(34px,8.6vw,42px);border-radius:50%;flex:none;border:1px solid var(--line);background:var(--surface);color:var(--ink);display:grid;place-items:center;cursor:pointer;transition:transform .35s var(--ease),border-color .35s var(--ease)}
.pp-hdr .theme-toggle:hover{transform:translateY(-2px);border-color:var(--blue)}
.pp-hdr .theme-toggle svg{width:19px;height:19px}
.pp-hdr .theme-toggle .moon{display:none}
[data-theme="dark"] .pp-hdr .theme-toggle .sun{display:none}
[data-theme="dark"] .pp-hdr .theme-toggle .moon{display:block}
.pp-hdr .nav-break{display:none}
.pp-hdr .nav-blog{display:inline-flex;align-items:center;flex:none;white-space:nowrap;font-family:var(--display);font-weight:600;font-size:clamp(.7rem,1.5vw,.88rem);color:var(--blue);border:1.5px solid currentColor;padding:clamp(5px,1.2vw,7px) clamp(7px,2vw,16px);border-radius:100px;transition:background .3s var(--ease),color .3s var(--ease)}
.pp-hdr .nav-blog:hover{background:var(--blue);color:#fff}
[data-theme="dark"] .pp-hdr .nav-blog:hover{color:var(--paper)}
.pp-hdr .btn{display:inline-flex;align-items:center;white-space:nowrap;flex:none;font-family:var(--display);font-weight:600;color:#fff;background:var(--grad-txt);border:none;border-radius:100px;cursor:pointer;padding:clamp(8px,1.8vw,12px) clamp(8px,2.4vw,22px);font-size:clamp(.7rem,1.5vw,.9rem);gap:clamp(3px,.9vw,9px);box-shadow:0 10px 24px -10px rgba(31,102,170,.65);transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.pp-hdr .btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px -10px rgba(31,102,170,.7)}
.pp-hdr .menu-btn{display:none;width:clamp(34px,8.6vw,42px);height:clamp(34px,8.6vw,42px);flex:none;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);cursor:pointer;align-items:center;justify-content:center;padding:0}
.pp-hdr .menu-btn svg{width:20px;height:20px}
.pp-hdr .menu-btn .close{display:none}
.pp-hdr .menu-btn[aria-expanded="true"] .open{display:none}
.pp-hdr .menu-btn[aria-expanded="true"] .close{display:block}

/* ---------- menu mobile ---------- */
.mnav{display:none;position:fixed;top:74px;left:12px;right:12px;z-index:120;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:10px;max-height:calc(100svh - 98px);overflow-y:auto;box-shadow:0 30px 60px -30px rgba(12,43,84,.55)}
.mnav.open{display:block;animation:ppMnavIn .28s var(--ease)}
@keyframes ppMnavIn{from{opacity:0;transform:translateY(-8px)}}
.mnav a{display:block;padding:13px 14px;border-radius:12px;color:var(--ink);font-family:var(--display);font-weight:600;font-size:.98rem}
.mnav a:hover{background:var(--paper-2)}
.mnav .grp{font-family:var(--display);font-size:.68rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);padding:14px 14px 6px}
.mnav .sml{font-size:.92rem;font-weight:500;color:var(--muted);padding-block:11px}
.mnav-back{position:fixed;inset:0;z-index:110;background:rgba(7,21,35,.4);display:none}
.mnav-back.open{display:block}

@media(max-width:900px){.pp-hdr .menu{display:none}.pp-hdr .menu-btn{display:inline-flex}}
@media(max-width:760px){
  .pp-hdr .pp-nav{flex-wrap:wrap;row-gap:9px;column-gap:10px;padding:0 var(--pp-marge-mobile)}
  .pp-hdr .nav-right{display:contents}
  .pp-hdr .nav-break{display:block;flex:0 0 100%;width:100%;height:0;order:2}
  .pp-hdr .brand{order:0;flex:1 1 auto;justify-content:center;box-sizing:border-box;padding-left:44px}
  .pp-hdr .theme-toggle{order:1;display:grid}
  .pp-hdr .nav-blog{order:3;flex:0 0 auto}
  .pp-hdr .btn{order:4;flex:1 1 auto;justify-content:center}
  .pp-hdr .menu-btn{order:5}
  .mnav{top:118px;max-height:calc(100svh - 142px)}
}

/* ---------- pied de page ---------- */
.pp-foot{border-top:var(--pp-sep);padding:64px 0 40px;color:var(--muted);font-size:inherit;text-align:left}
.pp-foot .wrap{max-width:var(--pp-largeur);margin-inline:auto;padding-inline:var(--pp-marge)}
.pp-foot .logo-full{height:var(--pp-logo-pied);width:auto;display:block}
.pp-foot .foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:34px;padding-bottom:40px;border-bottom:var(--pp-sep);text-align:inherit}
.pp-foot .foot-brand .brand{display:inline-block}
.pp-foot .foot-brand p{color:var(--muted);font-size:.94rem;margin-top:16px;max-width:30em}
.pp-foot .foot-h{font-family:var(--display);font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);margin-bottom:16px}
.pp-foot .foot-col a,.pp-foot .foot-col span{display:block;color:var(--muted);font-size:.94rem;padding:6px 0;margin-bottom:2px;transition:color .3s var(--ease)}
.pp-foot .foot-col a:hover{color:var(--ink)}
.pp-foot .foot-social a{display:inline;padding:6px 2px;color:var(--muted)}
.pp-foot .foot-social a:hover{color:var(--ink)}
.pp-foot .foot-app{display:inline-block;line-height:0;margin-top:14px}
.pp-foot .foot-app img{height:46px;width:auto}
.pp-foot .foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:26px;font-size:.84rem;color:var(--muted);text-align:inherit}
.pp-foot .foot-legal{display:flex;gap:22px;flex-wrap:wrap}
.pp-foot .foot-legal a{padding:8px 0;display:inline-block;color:var(--muted)}
.pp-foot .foot-legal a:hover{color:var(--ink)}
@media(max-width:900px){.pp-foot .foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){
  .pp-foot{text-align:center}
  .pp-foot .wrap{padding-inline:var(--pp-marge-mobile)}
  .pp-foot .foot-grid{grid-template-columns:1fr}
  .pp-foot .foot-brand p{margin-inline:auto}
  .pp-foot .foot-bottom{flex-direction:column;align-items:center}
  .pp-foot .foot-legal{justify-content:center}
}