/* Feuillane — feuille de style du site (DESIGN.md, direction D1 « Herbier de famille »). */

/* --- Polices self-hostées (AMENDEMENTS v2 / DESIGN.md) --- */
@font-face{
  font-family:"Prata";
  src:url("/static/fonts/prata-400-latin.woff2") format("woff2");
  font-weight:400; font-style:normal; font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Atkinson Hyperlegible";
  src:url("/static/fonts/atkinsonhyperlegible-400-latin.woff2") format("woff2");
  font-weight:400; font-style:normal; font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Atkinson Hyperlegible";
  src:url("/static/fonts/atkinsonhyperlegible-400-latin-ext.woff2") format("woff2");
  font-weight:400; font-style:normal; font-display:swap;
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:"Atkinson Hyperlegible";
  src:url("/static/fonts/atkinsonhyperlegible-400i-latin.woff2") format("woff2");
  font-weight:400; font-style:italic; font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Atkinson Hyperlegible";
  src:url("/static/fonts/atkinsonhyperlegible-400i-latin-ext.woff2") format("woff2");
  font-weight:400; font-style:italic; font-display:swap;
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:"Atkinson Hyperlegible";
  src:url("/static/fonts/atkinsonhyperlegible-700-latin.woff2") format("woff2");
  font-weight:700; font-style:normal; font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Atkinson Hyperlegible";
  src:url("/static/fonts/atkinsonhyperlegible-700-latin-ext.woff2") format("woff2");
  font-weight:700; font-style:normal; font-display:swap;
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

:root{
  --papier:#F7F4EC; --craie:#FFFFFF; --encre:#21402A; --feuille:#4E7A46;
  --sepia:#7A5C3D; --baie:#A03B2E; --ombre:rgba(33,64,42,.12);
  --filet:#C9BCA4;
}
*{margin:0;padding:0;box-sizing:border-box}
html{color-scheme:light}
body{background:var(--papier);color:var(--encre);font:400 17px/1.6 "Atkinson Hyperlegible",system-ui,sans-serif}
a{color:var(--feuille)}
img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--encre);color:#fff;padding:10px 16px;z-index:10}
.skip-link:focus{left:12px;top:12px}
:focus-visible{outline:3px solid var(--feuille);outline-offset:2px}

/* Header */
header{border-bottom:1px solid var(--filet)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--encre)}
.logo svg{display:block}
.logo b{font:400 24px "Prata",serif;letter-spacing:.5px}
.nav-links{display:none;gap:26px;align-items:center}
.nav-links a{text-decoration:none;color:var(--encre);font-weight:700;font-size:16px}
.nav-cta{background:var(--feuille);color:#fff !important;padding:10px 18px;border-radius:8px}
@media(min-width:768px){.nav-links{display:flex}}

/* Hero (home) */
.hero{padding:44px 0 12px;text-align:center}
.eyebrow{font-size:15px;color:var(--sepia);letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
h1{font:400 clamp(30px,5.5vw,52px)/1.18 "Prata",serif;max-width:20ch;margin:0 auto 16px}
.sub{max-width:52ch;margin:0 auto 26px;font-size:19px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:10px}
.cta-row-spaced{margin-top:20px}
.btn{display:inline-block;padding:16px 28px;border-radius:8px;font-weight:700;font-size:18px;text-decoration:none;cursor:pointer;border:0;min-height:44px}
.btn-primary{background:var(--feuille);color:#fff;box-shadow:0 2px 8px var(--ombre)}
.btn-primary:hover{filter:brightness(0.94)}
.btn-ghost{background:transparent;color:var(--encre);border:1.5px solid var(--sepia)}
.btn-baie{background:var(--baie);color:#fff}
.privacy-note{font-size:15px;color:var(--sepia)}

/* Herbier specimen tree (home) */
.specimen{margin:34px auto 0;max-width:860px;background:var(--craie);border:1px solid var(--filet);box-shadow:0 0 0 3px var(--craie),0 0 0 4px var(--filet),0 10px 30px var(--ombre);padding:26px 14px 18px;position:relative}
.specimen figcaption{font-style:italic;color:var(--sepia);font-size:15px;margin-top:10px}
.specimen svg{width:100%;height:auto;display:block}

/* Planches (cadre double filet — signature du site) */
.planches{padding:56px 0 30px}
.planche{position:relative;border:1px solid var(--filet);box-shadow:0 0 0 3px var(--craie),0 0 0 4px var(--filet);padding:30px 22px;margin-bottom:26px;background:var(--craie)}
.planche::after{content:"";position:absolute;top:0;right:0;width:20px;height:20px;background:linear-gradient(225deg,var(--papier) 46%,var(--filet) 47%,var(--filet) 53%,transparent 54%)}
.planche .num{font:400 15px "Atkinson Hyperlegible";letter-spacing:.18em;color:var(--sepia);text-transform:uppercase;margin-bottom:8px}
.planche h2{font:400 26px "Prata",serif;margin-bottom:10px}
.planche p{max-width:62ch}
@media(min-width:768px){
  .planches-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px}
  .planche{margin-bottom:0}
}

/* FAQ */
.faq{padding:26px 0 60px;max-width:760px;margin:0 auto}
.faq h2{font:400 30px "Prata",serif;text-align:center;margin-bottom:24px}
.faq details{background:var(--craie);border:1px solid var(--filet);border-radius:10px;padding:16px 20px;margin-bottom:12px}
.faq summary{font-weight:700;cursor:pointer;font-size:17px}
.faq details p{margin-top:10px}

footer{border-top:1px solid var(--filet);padding:26px 0;color:var(--sepia);font-size:15px}
footer .wrap{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between}
footer a{color:var(--sepia)}
.lang-switch{display:flex;gap:6px;align-items:center;flex-basis:100%;padding-top:4px}
.lang-switch a{text-decoration:none}
.lang-switch a[aria-current="true"]{font-weight:700;color:var(--encre);text-decoration:underline}

/* --- Pages de contenu génériques (fiches/exemples/guides/système) --- */
.page-header{padding:40px 0 20px;text-align:center}
.page-header h1{max-width:24ch}
.page-lead{max-width:60ch;margin:0 auto;font-size:18px;color:var(--encre)}
.breadcrumb{list-style:none;display:flex;flex-wrap:wrap;gap:6px;font-size:14px;color:var(--sepia);padding:16px 0 0;max-width:1080px;margin:0 auto;padding-left:20px;padding-right:20px}
.breadcrumb li:not(:last-child)::after{content:"›";margin-left:6px}
.breadcrumb a{color:var(--sepia)}

.section{padding:34px 0}
.prose{max-width:68ch;margin:0 auto;padding:0 20px}
.prose h2{font:400 26px "Prata",serif;margin:28px 0 12px}
.prose h2:first-child{margin-top:0}
.prose p{margin-bottom:14px}
.prose ul,.prose ol{margin:0 0 14px 22px}
.prose li{margin-bottom:6px}

.fiche-card{border:3px double var(--filet);background:var(--craie);padding:28px 22px;max-width:640px;margin:0 auto 30px;text-align:center}
.fiche-card .btn{margin-top:14px}
.fiche-preview{background:var(--papier);border:1px solid var(--filet);padding:20px;margin-bottom:16px}
.fiche-preview svg{width:100%;height:auto;display:block}
.fiche-preview img{width:100%;height:auto;display:block;cursor:zoom-in}
.preview-hint{font-size:15px;color:var(--sepia);font-style:italic;text-align:center;margin:8px 0 4px}

.grid-cards{display:grid;grid-template-columns:1fr;gap:20px;max-width:1080px;margin:0 auto;padding:0 20px}
@media(min-width:640px){.grid-cards{grid-template-columns:1fr 1fr}}
@media(min-width:960px){.grid-cards{grid-template-columns:repeat(3,1fr)}}
.card{border:1px solid var(--filet);background:var(--craie);padding:20px;display:flex;flex-direction:column;gap:10px}
.card h2{font:400 21px "Prata",serif}
.card p{font-size:15px}
.card .btn{align-self:flex-start;margin-top:auto;padding:10px 16px;font-size:16px}

.exemple-meta{color:var(--sepia);font-size:15px;margin-bottom:6px}
.exemple-sources{font-size:14px;color:var(--sepia);border-top:1px solid var(--filet);margin-top:30px;padding-top:16px;max-width:68ch;margin-left:auto;margin-right:auto}

/* Formulaire (contact) */
.form-wrap{max-width:520px;margin:0 auto;padding:0 20px 60px}
.field{margin-bottom:18px}
.field label{display:block;font-weight:700;margin-bottom:6px;font-size:16px}
.field input,.field textarea{
  width:100%;font-size:16px;font-family:inherit;padding:12px 14px;
  border:1px solid var(--filet);border-radius:8px;background:var(--craie);color:var(--encre);
  min-height:44px;
}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--feuille)}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.alert{border-radius:8px;padding:14px 16px;margin-bottom:18px;font-size:16px}
.alert-error{background:#FBEAE6;border:1px solid var(--baie);color:var(--baie)}
.alert-success{background:#EEF4EB;border:1px solid var(--feuille);color:var(--encre)}
.contact-alt{margin-top:20px;font-size:15px;color:var(--sepia)}

/* Éditeur (/arbre) */
.arbre-shell{min-height:70vh;display:flex;flex-direction:column}
.arbre-fallback{max-width:640px;margin:60px auto;text-align:center;padding:0 20px}
.arbre-fallback h1{font-size:clamp(26px,5vw,36px)}
noscript .arbre-fallback{display:block}

/* 404 */
.error-page{max-width:600px;margin:70px auto;text-align:center;padding:0 20px}
.error-page .code{font:400 60px "Prata",serif;color:var(--sepia)}

/* Utilitaires */
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}