/* =========================================================
   SAD V21 REFLEX — responsive/device adaptation layer
   Objectif : une seule base HTML, affichage optimisé desktop/tablette/mobile.
   ========================================================= */
:root{
  --rt-wrap-desktop:1180px;
  --rt-space-x:clamp(14px,3vw,32px);
  --rt-touch:44px;
  --rt-sticky-offset:0px;
}
html{font-size:clamp(15.5px,.35vw + 14px,18px);text-size-adjust:100%;-webkit-text-size-adjust:100%}
body{overflow-x:hidden;min-width:320px}
a,button,.btn{touch-action:manipulation}
img,svg,video,canvas{max-width:100%;height:auto}
.wrap{width:min(var(--rt-wrap-desktop),calc(100% - (var(--rt-space-x) * 2))) !important;margin-inline:auto}
.card,.human,.notice,.warning,.callout,.final-donation-card,.continuity-card,.tension-box,.support-mode,.diagram-card,.piece-card,.thumb-card,.photo-card{min-width:0}
.grid-2,.grid-3,.grid-4,.kpi,.flow,.path-grid,.signal-grid,.diagram-grid-2x2,.photo-grid,.gift-grid,.support-modes,.amount-pills,.micro-don-row,.final-checklist,.grid-2-illus{min-width:0}
.grid-2>*,.grid-3>*,.grid-4>*,.kpi>*,.flow>*,.path-grid>*,.signal-grid>*,.diagram-grid-2x2>*,.photo-grid>*,.gift-grid>*,.support-modes>*,.amount-pills>*,.micro-don-row>*,.final-checklist>*,.grid-2-illus>*{min-width:0}
p,li,h1,h2,h3,h4,.lead,.notice,.warning,.muted,.quote,.row,.doccap,.sharebox,a,strong,span{overflow-wrap:anywhere;word-break:normal}
.btn{min-height:var(--rt-touch);display:inline-flex;align-items:center;justify-content:center;text-align:center;line-height:1.18}
.cta-row{align-items:center}
header{top:0}
header nav{width:100%}
.brand{min-width:0}
.brand img{height:clamp(46px,4.5vw,70px) !important;width:auto;max-width:min(520px,54vw) !important}
.nav-toggle{display:none;appearance:none;border:1px solid var(--line);background:rgba(255,253,250,.92);border-radius:999px;min-width:44px;min-height:44px;padding:0 13px;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 20px rgba(36,29,24,.07)}
.nav-toggle-lines,.nav-toggle-lines::before,.nav-toggle-lines::after{display:block;width:20px;height:2px;background:var(--dark);border-radius:99px;transition:transform .18s ease,opacity .18s ease}
.nav-toggle-lines{position:relative}.nav-toggle-lines::before,.nav-toggle-lines::after{content:"";position:absolute;left:0}.nav-toggle-lines::before{top:-7px}.nav-toggle-lines::after{top:7px}
body.nav-open .nav-toggle-lines{background:transparent}body.nav-open .nav-toggle-lines::before{transform:translateY(7px) rotate(45deg)}body.nav-open .nav-toggle-lines::after{transform:translateY(-7px) rotate(-45deg)}
.hero-visual img,.side-visual img,.photo-card img,.diagram-card img,.piece-thumb img,.thumb img{width:100%;height:auto}
.hero-visual img{max-height:min(56vh,520px);object-fit:cover;object-position:center}
.lightbox{overscroll-behavior:contain}.lightbox img{object-fit:contain}.lightbox .caption{padding:0 10px}
@media (min-width:1181px){
  html[data-device="desktop"] .hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(360px,.9fr)}
  html[data-device="desktop"] .grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
  html[data-device="desktop"] .grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
  html[data-device="desktop"] .diagram-grid-2x2{grid-template-columns:repeat(2,minmax(0,1fr))}
  html[data-device="desktop"] .navlinks{display:flex !important;max-height:none !important;opacity:1 !important;visibility:visible !important}
}
@media (min-width:768px) and (max-width:1180px){
  :root{--rt-space-x:24px}
  header{position:sticky}
  header .wrap nav{gap:14px}
  .brand img{height:56px !important;max-width:min(430px,48vw) !important}
  .navlinks{gap:10px;justify-content:flex-end}.navlinks a{font-size:.9rem;padding-block:7px}
  .hero{padding:58px 0 48px}.hero-grid{grid-template-columns:1fr !important;gap:24px}.hero .card{max-width:760px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr)) !important}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr)) !important}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr)) !important}
  .kpi,.flow,.path-grid,.signal-grid,.gift-grid,.support-modes,.amount-pills,.micro-don-row,.final-checklist{grid-template-columns:repeat(2,minmax(0,1fr)) !important}
  .diagram-grid-2x2,.photo-grid,.grid-2-illus{grid-template-columns:repeat(2,minmax(0,1fr)) !important}
  .cta-strip,.conversion-nudge{grid-template-columns:1fr !important}
  .row{grid-template-columns:minmax(120px,170px) minmax(0,1fr)}
  section{padding:54px 0}.card,.human{padding:22px}.photo-card img{height:220px;object-fit:cover}
}
@media (max-width:820px){
  :root{--rt-space-x:14px}
  html{scroll-padding-top:12px}
  body{line-height:1.68}
  .topbar{font-size:.82rem;line-height:1.35}.topbar .wrap{display:block}
  header{position:sticky;padding:10px 0;background:rgba(237,229,219,.985);backdrop-filter:blur(12px)}
  header .wrap nav{display:grid !important;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;justify-content:normal !important}
  .brand img{height:44px !important;max-width:min(265px,70vw) !important;border-radius:7px}
  .nav-toggle{display:inline-flex;grid-column:2;grid-row:1;justify-self:end}
  .navlinks{grid-column:1 / -1;display:grid !important;grid-template-columns:1fr;gap:8px;width:100%;max-height:0;opacity:0;visibility:hidden;overflow:hidden;padding:0;transition:max-height .22s ease,opacity .18s ease,padding .18s ease;border:0}
  body.nav-open .navlinks{max-height:70vh;opacity:1;visibility:visible;padding:10px 0 2px;border-top:1px solid var(--line)}
  .navlinks a{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:10px 12px;border:1px solid var(--line);border-radius:14px;background:rgba(255,253,250,.88);font-size:.95rem;color:var(--ink)}
  .navlinks a[href*="contribuer"]{justify-content:center;border-radius:999px;padding:12px 14px;color:#fff}
  .hero{padding:38px 0 32px}.hero-grid{grid-template-columns:1fr !important;gap:20px}.hero .card{padding:18px}.hero-logo img,.secondary-hero-mark img{max-width:110px}
  h1{font-size:clamp(2.05rem,10.5vw,3rem) !important;letter-spacing:-.04em;line-height:1.04}h2{font-size:clamp(1.55rem,7vw,2.1rem) !important;line-height:1.09}h3{font-size:1.12rem}.lead{font-size:1.02rem;line-height:1.66}
  section{padding:42px 0}.card,.human,.notice,.warning,.callout,.final-donation-card,.continuity-card,.tension-box,.support-mode{padding:18px;border-radius:20px}
  .grid-2,.grid-3,.grid-4,.kpi,.flow,.path-grid,.signal-grid,.diagram-grid-2x2,.photo-grid,.gift-grid,.support-modes,.amount-pills,.micro-don-row,.final-checklist,.grid-2-illus,.conversion-nudge,.cta-strip{grid-template-columns:1fr !important;gap:14px !important}
  .row{grid-template-columns:1fr !important;gap:4px}.row strong{font-size:.88rem}.tablelike{gap:2px}
  .cta-row{display:grid;grid-template-columns:1fr;gap:10px}.btn{width:100%;padding:13px 15px}.btn.ghost,.btn.secondary{background:rgba(255,253,250,.58)}
  .badge,.pill,.tag{font-size:.78rem;line-height:1.25}.amount{font-size:2rem}.meter{height:12px}
  .sticky-support{position:sticky !important;bottom:10px;z-index:40;margin-inline:auto;border-radius:20px;box-shadow:0 18px 54px rgba(36,29,24,.18);align-items:stretch}.sticky-support .cta-row{display:grid;width:100%}.sticky-support span{text-align:center;padding-left:0}
  .hero-visual,.side-visual,.illus-wide,.diagram,.photo-card,.piece-card{border-radius:20px;overflow:hidden}.hero-visual img{max-height:340px}.photo-card img{height:auto;max-height:260px;object-fit:cover}.diagram-card img{border-radius:18px}
  .diagram-card{padding:14px;border-radius:20px}.diagram-card p{font-size:.9rem}.pieces-frame{padding:10px;border-radius:20px}.pieces-frame .thumbgrid{grid-template-columns:1fr !important}.pieces-frame .thumb img,.piece-thumb img{height:auto !important;max-height:70vh;object-fit:contain;background:#fff}
  .doccap{display:grid;grid-template-columns:1fr;gap:8px}.lightbox{padding:12px}.lightbox img{max-width:96vw;max-height:82vh;border-radius:14px}.lightbox .close{top:10px;right:10px}.lightbox .caption{font-size:.82rem;bottom:10px}
  footer{padding:28px 0}.footer-brand{display:grid;gap:10px}.footer-brand img{width:min(220px,80vw)}.footer-links{display:grid;grid-template-columns:1fr;gap:8px}
}
@media (max-width:420px){
  :root{--rt-space-x:12px}.brand img{height:40px !important;max-width:235px !important}.topbar{font-size:.78rem}.card,.human,.notice,.warning,.callout{padding:16px}section{padding:36px 0}.hero{padding-top:30px}.btn{font-size:.95rem}.amount{font-size:1.76rem}.hero-visual img{max-height:300px}.navlinks a{font-size:.92rem}
}
@media (orientation:landscape) and (max-height:520px){
  header{position:static}.hero{padding:28px 0}.hero-visual img{max-height:72vh}.navlinks{max-height:none}.lightbox img{max-height:78vh}
}
@media (hover:none){
  .btn:hover,.diagram-card:hover,.navlinks a:hover{transform:none !important}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto !important;animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}
@media print{
  header,.topbar,.sticky-support,.cta-row,.nav-toggle,.lightbox,footer{display:none !important}body{background:#fff;color:#111}.wrap{width:100% !important}.card,.notice,.warning{box-shadow:none;border:1px solid #ddd;break-inside:avoid}a{color:#111;text-decoration:none}section{padding:18px 0}
}