/* Pages du site. Les bases (couleurs, typographie, hero, fil « river ») sont dans style.css. */

/* Lien d'évitement (accessibilité clavier) */
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:var(--bg);padding:10px 16px;z-index:100;text-decoration:none}
.skip:focus{left:8px}

/* En-tête avec navigation */
.top{flex-wrap:wrap}
.nav{display:flex;gap:clamp(14px,2.4vw,32px);font-size:.95rem}
.nav a{text-decoration:none;padding:4px 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.nav a:hover,.nav a[aria-current=page]{color:var(--blue);border-color:var(--blue)}
@media (max-width:860px){.nav{order:3;width:100%;gap:18px;font-size:.88rem;flex-wrap:wrap;padding-top:6px}}

/* En-tête fixe au défilement (fond pleine largeur, ancres décalées) */
html{scroll-padding-top:88px}
.top{position:sticky;top:0;z-index:40;background:var(--bg);box-shadow:0 0 0 100vmax var(--bg);clip-path:inset(0 -100vmax)}
@media (max-width:860px){html{scroll-padding-top:120px}.top{gap:6px 16px;padding-top:calc(10px + env(safe-area-inset-top,0px));padding-bottom:8px}.brand{font-size:1.2rem}.pill{font-size:.86rem}.nav{font-size:.82rem;gap:2px 16px;padding-top:0}.nav a{padding:2px 0}}

/* Pied de page : bandeau bleu pleine largeur */
footer{background:var(--blue-deep);color:#fff;border-top:0;padding-block:clamp(48px,6vw,80px) 30px;font-size:.95rem}
footer a{color:inherit}
footer :focus-visible{outline-color:#fff}
.foot-grid{display:grid;grid-template-columns:1.25fr .9fr .9fr 1fr 1.9fr;gap:40px clamp(20px,3vw,48px);align-items:start}
.foot-grid>*{min-width:0}
.foot-brand .brand{display:block;font-size:1.7rem;line-height:1;color:#fff;margin-top:-2px}
.foot-brand p{color:#C9D8F6;margin-top:16px;max-width:28ch;font-size:.93rem;line-height:1.55}
.foot-col h2{font-family:var(--sans);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;font-weight:600;color:#A9C2F2;margin:0 0 18px;line-height:1.2}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.foot-col a{text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;transition:background-size .25s}
.foot-col a:hover{background-size:100% 1px}
.foot-contact ul{gap:14px}
.foot-contact a{display:flex;align-items:center;gap:14px;overflow-wrap:break-word;background:none}
.ico{flex:none;width:40px;height:40px;border:1px solid rgba(255,255,255,.38);border-radius:50%;display:grid;place-items:center;transition:background .2s,color .2s,border-color .2s}
.ico svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.foot-contact a:hover .ico{background:#fff;color:var(--blue-deep);border-color:#fff}
.foot-bottom{display:flex;justify-content:space-between;align-items:flex-end;gap:16px 48px;margin-top:clamp(40px,5vw,64px);padding-top:24px;border-top:1px solid rgba(255,255,255,.22)}
.framing{margin:0;color:#C9D8F6;font-size:.88rem;line-height:1.6;max-width:62ch;font-style:italic;}
.foot{display:block;margin:0;font-size:.82rem;color:#A9C2F2;white-space:nowrap}
@media (max-width:980px){.foot-grid{grid-template-columns:repeat(3,1fr)}.foot-brand,.foot-contact{grid-column:1/-1}.foot-brand p{max-width:48ch}}
@media (max-width:640px){.foot-grid{grid-template-columns:1fr 1fr}.foot-grid>nav:nth-of-type(3){grid-column:1/-1}.foot-bottom{flex-direction:column;align-items:flex-start}.foot{white-space:normal}}

/* Titres de pages intérieures */
.page-head{padding-block:clamp(48px,7vw,96px) clamp(32px,4vw,56px)}
.page-head h1{font-size:clamp(2.4rem,5.4vw,4.4rem);margin-top:14px;max-width:22ch}
.page-head .lead{margin-top:24px;max-width:44ch}
.page-head.thanks{min-height:46vh}
.mt{margin-top:18px}
.muted{color:var(--muted)}

/* Sections courantes */
.sec{padding-block:clamp(56px,8vw,104px);border-top:1px solid var(--line)}
.sec.tight{padding-block:clamp(32px,5vw,56px)}
.sec .head h2{max-width:18ch}
.head .pt{align-self:end;color:var(--muted)}
.head .pt .more{margin-top:20px}
.head h2.mt{margin-top:16px}

/* Accueil */
.home-hero h1{font-size:clamp(2.3rem,5.6vw,4.6rem);max-width:none}
.home-hero h1 .line>span{white-space:normal}
.eyebrow{margin-bottom:22px}
.tgrid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,3vw,36px)}
.tcard{display:flex;flex-direction:column;gap:14px;padding:clamp(22px,3vw,34px);border:1px solid var(--faint);text-decoration:none;transition:background .3s,border-color .3s}
.tcard:hover,.tcard:focus-visible{background:rgba(255,255,255,.5);border-color:var(--blue)}
.tcard .q{font-family:var(--serif);font-size:clamp(1.3rem,2.2vw,1.65rem);line-height:1.28;font-weight:300}
.tcard .go{margin-top:auto;padding-top:6px;font-weight:500;font-size:.95rem;color:var(--blue)}
@media (max-width:760px){.tgrid{grid-template-columns:1fr}}

.qgrid{display:grid;grid-template-columns:1fr 1fr;column-gap:clamp(24px,5vw,72px);border-top:1px solid var(--ink)}
.qgrid li{display:grid;grid-template-columns:3rem minmax(0,1fr);gap:0 12px;padding:22px 0;border-bottom:1px solid var(--line)}
.qn{font-family:var(--serif);font-size:1.7rem;line-height:1.1;color:var(--faint);font-variant-numeric:lining-nums}
.qgrid h3{font-size:1.3rem;font-weight:400;line-height:1.25}
.qgrid p{color:var(--muted);font-size:.96rem;margin-top:6px}
.qgrid .qcta{grid-template-columns:1fr}
.qgrid .qm{font-family:var(--serif);font-size:1.3rem;font-weight:300;color:var(--ink);margin-top:8px}
.qgrid .qcta .hero-cta{margin-top:18px}
@media (max-width:760px){.qgrid{grid-template-columns:1fr}}

.badge{display:inline-block;background:var(--ink);color:var(--bg);font-size:.78rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:.5em 1em;border-radius:2px}

/* Page Comprendre */
.tsec{padding-block:clamp(48px,7vw,88px);border-top:1px solid var(--line)}
.tsec-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:clamp(24px,6vw,88px)}
.tsec-grid>*{min-width:0}
.tsec h2{font-size:clamp(1.9rem,3.6vw,2.8rem);margin-top:12px;max-width:12ch}
.tsec .big{font-family:var(--serif);font-size:clamp(1.25rem,2.2vw,1.55rem);line-height:1.42;font-weight:300;max-width:42ch}
.tsec h3{font-family:var(--sans);font-size:.8rem;letter-spacing:.09em;text-transform:uppercase;font-weight:600;color:var(--muted);margin:30px 0 8px}
.plain{list-style:none;margin:0;padding:0}
.plain li{padding:11px 0;border-top:1px solid var(--line)}
.plain li:last-child{border-bottom:1px solid var(--line)}
.srcline{color:var(--muted)}
.srcline a,.srcs a{color:var(--blue)}
@media (max-width:760px){.tsec-grid{grid-template-columns:1fr}}

/* Guide */
.gmeta{display:flex;flex-wrap:wrap;gap:6px 26px;color:var(--muted);font-size:.95rem;margin-top:22px}
.gintro{padding-bottom:clamp(40px,5vw,64px)}
.gintro .big{font-family:var(--serif);font-size:clamp(1.3rem,2.4vw,1.8rem);line-height:1.4;font-weight:300;max-width:46ch}
.gintro .muted{margin-top:16px;max-width:52ch}
.guide-sec{padding-top:clamp(48px,6vw,80px)}
.err p.a{color:var(--ink);margin-top:12px}
.err p.b{margin-top:10px}
.err a,.prose a{color:var(--blue)}
.mini{margin:14px 0 0}
.mini>div{padding:9px 0;border-top:1px solid var(--line)}
.mini dt{font-weight:600;font-size:.92rem}
.mini dd{margin:2px 0 0;color:var(--muted);font-size:.95rem}
.srcs li{display:grid;grid-template-columns:200px 1fr;gap:12px}
.srcs span{color:var(--muted)}
.gloss{margin:0;border-top:1px solid var(--ink)}
.gloss>div{display:grid;grid-template-columns:260px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.gloss dt{font-family:var(--serif);font-size:1.2rem}
.gloss dd{margin:0;color:var(--muted)}
@media (max-width:640px){.srcs li,.gloss>div{grid-template-columns:1fr;gap:2px}}
.plainnote{max-width:70ch}
.print-cover{display:none}

/* Exemple fictif */
.hz{margin:0;padding:26px 28px 24px;border:1px solid var(--faint);outline:1px solid var(--line);outline-offset:6px;background:rgba(255,255,255,.35)}
.hz figcaption{font-size:.78rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.hz ol{display:grid;grid-template-columns:repeat(3,1fr);margin-top:30px}
.hz ol::before{content:"";position:absolute;left:0;right:0;top:7px;height:1px;background:var(--ink)}
.hz li{position:relative;padding:30px 16px 0 0}
.hz li::before{content:"";position:absolute;top:0;left:0;width:15px;height:15px;border-radius:50%;background:var(--bg);border:2px solid var(--blue)}
.hz b{display:block;font-family:var(--serif);font-weight:400;font-size:1.3rem;line-height:1.2}
.hz span{color:var(--muted);font-size:.93rem}
@media (max-width:640px){.hz ol{grid-template-columns:1fr;gap:20px}.hz ol::before{right:auto;top:7px;bottom:20px;left:7px;width:1px;height:auto}.hz li{padding:0 0 0 34px}}
.xgrid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px) clamp(28px,6vw,88px)}
.xgrid>*{min-width:0}
.xcard{border-top:1px solid var(--ink);padding-top:18px}
.xcard p:not(.label){margin-top:12px;color:var(--muted)}
.xcard .plain{margin-top:12px}
@media (max-width:760px){.xgrid{grid-template-columns:1fr}}

/* FAQ */
.faq{padding-block:clamp(56px,8vw,104px);border-top:1px solid var(--line)}
.faq-list{max-width:760px;margin-left:auto;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font-family:var(--serif);font-size:1.35rem;font-weight:400;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-52%);font-family:var(--sans);font-size:1.5rem;color:var(--blue);transition:transform .25s}
.faq details[open] summary::after{transform:translateY(-52%) rotate(45deg)}
.faq details p{color:var(--muted);padding:0 40px 22px 0;max-width:60ch}
.faq details a{color:var(--blue)}

/* Pages de texte (projet, légales) */
.prose-sec{padding-block:0 clamp(64px,9vw,120px)}
.prose{max-width:760px}
.prose h2{font-size:1.7rem;margin:40px 0 10px}
.prose p,.prose li{color:var(--muted)}
.prose p+p{margin-top:12px}
.prose ul{padding-left:1.2em}
.prose .big{font-family:var(--serif);font-size:clamp(1.3rem,2.4vw,1.8rem);line-height:1.4;color:var(--ink);font-weight:300;margin-top:22px}
.prose .big+.big{margin-top:16px}
.prose .hero-cta{margin-top:36px}
.prose .btn,.prose .btn:hover{color:#fff}
.prose .lnk{color:var(--ink)}
.prose .lnk:hover{color:var(--blue)}
.ph{background:var(--mark);color:var(--ink);padding:0 .3em;border-radius:2px;font-size:.92em}
.draftnote{border-left:2px solid var(--blue);background:rgba(20,86,200,.06);padding:12px 16px;font-size:.92rem;color:var(--ink)!important}
.prose .draftnote{margin-bottom:8px}

/* Impression : le guide sort en PDF propre (A4) */
@media print{
  @page{size:A4;margin:18mm 17mm 20mm}
  html{scroll-behavior:auto}
  body{background:#fff;font-size:10.5pt;line-height:1.55}
  body::after,.skip,.top,.screen-only,.thread,.hero-cta{display:none!important}
  .js .err>*,.js .rv{opacity:1!important;transform:none!important}
  .wrap{max-width:none;padding-inline:0}
  .print-cover{display:flex;flex-direction:column;justify-content:center;min-height:240mm;break-after:page}
  .print-cover h1{font-size:34pt;max-width:15ch;margin-top:14px}
  .print-cover .lead{margin-top:22px;font-size:15pt}
  .print-cover .pc-note{margin-top:60mm;color:var(--muted);font-size:10pt}
  .gintro{padding-bottom:10mm}
  .gintro .big{font-size:15pt}
  .errors-sec,.sec{border-top:0;padding-block:6mm}
  ol#list{display:block}
  .err,.err.right{width:100%!important;margin:0!important;padding:0 0 13mm!important;break-inside:avoid;grid-template-columns:20mm minmax(0,1fr)!important}
  .num{font-size:30pt;color:var(--blue)!important}
  .err h3{font-size:15pt}
  .head{display:block;margin-bottom:6mm}
  .head h2{font-size:20pt;max-width:none}
  .head p{margin-top:4px}
  .srcs li,.gloss>div{break-inside:avoid;padding:6px 0}
  .gloss>div{grid-template-columns:55mm 1fr}
  .srcs li{grid-template-columns:42mm 1fr}
  #glossaire{break-before:page}
  .endnote{padding-top:10mm}
  .plainnote{margin-top:6mm}
  a{text-decoration:none;color:var(--blue)}
  footer{border-top:0;padding-block:0}
  footer{display:none}
}

/* Grands écrans : textes moins étroits pour mieux remplir la largeur */
@media screen and (min-width:1200px){
  .lead,.page-head .lead{max-width:60ch}
  .head p,.gintro .muted{max-width:72ch}
  .tsec .big,.gintro .big{max-width:62ch}
  .page-head h1{max-width:30ch}
  .sec .head h2,.head h2{max-width:22ch}
  .err p,.faq details p{max-width:80ch}
  .faq-list,.prose{max-width:980px}
  .plainnote{max-width:90ch}
}

/* Accueil : bandeau d'accueil en deux colonnes sur grand écran + échelle typographique fluide */
html{font-size:clamp(16px,.3vw + 11.2px,19.5px)}
.hero-aside{display:none}
@media screen and (min-width:1100px){
  .home-hero .hero-split{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.8fr);gap:clamp(40px,6vw,120px);align-items:end}
  .home-hero .hero-row{grid-template-columns:1fr;gap:14px}
  .home-hero .lead{max-width:42ch}
  .hero-aside{display:block;border:1px solid var(--faint);outline:1px solid var(--line);outline-offset:6px;background:rgba(255,255,255,.35);padding:26px 30px 8px}
  .hero-aside>.label{margin:0 0 6px}
  .hero-aside ul{list-style:none;margin:0;padding:0}
  .hero-aside li+li{border-top:1px solid var(--line)}
  .hero-aside a{display:grid;grid-template-columns:2.4rem 1fr;gap:14px;padding:18px 0;text-decoration:none;color:var(--muted);font-size:.93rem;line-height:1.5;transition:color .2s}
  .hero-aside .n{font-family:var(--serif);font-size:1.5rem;color:var(--faint);line-height:1.1;transition:color .2s}
  .hero-aside b{display:block;font-family:var(--serif);font-weight:400;font-size:1.3rem;line-height:1.2;color:var(--ink);margin-bottom:4px}
  .hero-aside a:hover .n,.hero-aside a:hover b{color:var(--blue)}
}

/* Accueil : disposition éditoriale (grille dense, filets, colonnes) */
.sec{padding-block:clamp(36px,4.6vw,68px)}
#intro .head,#themes .head,#exemple .head,#questions .head{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px clamp(24px,5vw,80px);align-items:end;margin-bottom:clamp(22px,3vw,38px)}
#intro .head h2,#themes .head h2,#exemple h2,#questions .head h2{max-width:none}
#themes .head p,#questions .head p{font-size:1.02rem}
.sec.intro .head{align-items:start;margin-bottom:0}
.sec.intro .head p{align-self:start;font-family:var(--serif);font-size:clamp(1.15rem,1.5vw,1.45rem);line-height:1.5;color:var(--ink);font-weight:300;max-width:62ch}
.sec.intro h2{max-width:20ch}
.tgrid{grid-template-columns:repeat(4,minmax(0,1fr));gap:0 clamp(20px,2.4vw,40px)}
.tcard{border:0;border-top:2px solid var(--ink);padding:16px 0 4px;gap:12px}
.tcard:hover,.tcard:focus-visible{background:none;border-top-color:var(--blue)}
.tcard .q{font-size:clamp(1.15rem,1.55vw,1.45rem)}
.tcard:hover .q{color:var(--blue)}
.ex .head{margin-bottom:0}
.qgrid{grid-template-columns:repeat(3,minmax(0,1fr))}
.qgrid li{padding:18px 0}
.qgrid li:nth-child(3n+1){padding-right:0}
.qgrid .qcta{grid-column:span 2}
@media (max-width:1099px){.tgrid{grid-template-columns:1fr 1fr}.qgrid{grid-template-columns:1fr 1fr}.qgrid .qcta{grid-column:1/-1}}
@media (max-width:760px){.tgrid,.qgrid{grid-template-columns:1fr}#intro .head,#themes .head,#exemple .head,#questions .head{grid-template-columns:1fr}.tcard{margin-bottom:14px}}
@media screen and (min-width:1000px){
  .ex .head{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .ex .head .hz{align-self:center;grid-row:1/span 1;grid-column:2}
  .ex .head>div:first-child{grid-column:1}
  .ex .head .pt{grid-column:1;align-self:start}
  .ex .head{align-items:start}
  .ex .head .hz{grid-row:1/span 2}
}

/* Bandeau d'introduction en bleu */
.sec.intro{background:var(--blue-deep);color:#fff;border-top:0;padding-block:clamp(40px,5vw,72px)}
.sec.intro h2{color:#fff}
.sec.intro .head p{color:#E3ECFB}
@media (max-width:760px){.sec.intro .head p{font-size:1.1rem}}
#themes .head{grid-template-columns:1fr}
.tnote{margin-top:clamp(22px,2.6vw,34px);padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:1rem;max-width:none;text-align:left}

/* Léger zoom au survol des rubriques */
@media (hover:hover) and (prefers-reduced-motion:no-preference){
  .tcard,.js .tcard.rv{transition:transform .28s cubic-bezier(.2,.7,.2,1),opacity .5s ease-out,background .3s,border-color .3s;will-change:transform}
  .tcard:hover,.tcard:focus-visible,.js .tcard.rv.in:hover,.js .tcard.rv.in:focus-visible{transform:scale(1.04);position:relative;z-index:1}
}