/* =====================================================================
   Éphéméris - assets/css/app.css  (front public)
   Direction : editorial premium, encre et papier, chaleureux.
   Monochrome chaud + un accent oxblood discret pour les interactions.
   Polices auto-hebergees ; repli soigne (Cormorant/Georgia, Inter/system).
   Mouvement respectueux de prefers-reduced-motion.
   ===================================================================== */

@font-face{font-family:'Eph Serif';src:url('../fonts/eph-serif.woff2') format('woff2');font-weight:400 700;font-style:normal;font-display:swap;}
@font-face{font-family:'Eph Sans';src:url('../fonts/eph-sans.woff2') format('woff2');font-weight:300 600;font-style:normal;font-display:swap;}

:root{
  --paper:#f3ece0;        /* papier chaud */
  --paper-2:#ece2d0;
  --paper-3:#e3d7bf;
  --ink:#211c15;          /* encre quasi noire, chaude */
  --ink-soft:#433a2d;
  --ink-mute:#7c6f5b;
  --rule:#dccfb6;
  --rule-strong:#b9a983;
  --accent:#8c3b2e;       /* oxblood / sceau */
  --accent-2:#a8503c;
  --gold:#9c7c43;         /* dorure discrete */
  --maxw:1180px;
  --radius:8px;
  --t:160ms cubic-bezier(.2,.7,.2,1);
  --serif:'Eph Serif','Cormorant Garamond','Hoefler Text',Georgia,'Times New Roman',serif;
  --sans:'Eph Sans','Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --fs-1:.8rem;--fs-2:.94rem;--fs-3:1.08rem;--fs-4:1.6rem;--fs-5:2.6rem;
  --shadow:0 18px 50px -28px rgba(33,28,21,.55);
  --ok:#3f6f3f;--err:#8a3b32;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:var(--fs-3);line-height:1.65;font-weight:400;
  text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;
  font-feature-settings:"kern" 1,"liga" 1;
}
/* fond papier : dégradé chaud + grain + vignettage */
body::before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
   radial-gradient(140% 90% at 50% -10%,#fbf6ec 0%,var(--paper) 42%,var(--paper-2) 100%),
   radial-gradient(120% 120% at 50% 120%,rgba(140,59,46,.05),transparent 60%);}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.045;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.1rem,4.5vw,3rem)}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
::selection{background:rgba(140,59,46,.16)}

.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--paper);padding:.6rem 1rem;border-radius:0 0 var(--radius) 0;z-index:60}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

/* ---------- En-tete ---------- */
.site-header{position:sticky;top:0;z-index:30;border-bottom:1px solid var(--rule);
  background:color-mix(in srgb,var(--paper) 86%,transparent);backdrop-filter:saturate(140%) blur(8px)}
.header-inner{display:flex;align-items:center;gap:1.6rem;padding-block:.85rem}
.brand{display:flex;align-items:center;text-decoration:none;margin-right:auto;line-height:1.05}
.brand-logo{height:44px;width:auto;display:block}
@media (max-width:520px){.brand-logo{height:38px}}
.brand-name{font-family:var(--serif);font-size:1.7rem;font-weight:600;letter-spacing:.01em}
.brand-tagline{font-size:var(--fs-1);color:var(--ink-mute);font-style:italic;letter-spacing:.01em}
.site-nav{display:flex;gap:1.4rem}
.site-nav a{position:relative;text-decoration:none;font-size:var(--fs-2);color:var(--ink-soft);padding:.25rem 0;letter-spacing:.01em}
.site-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:1.5px;background:var(--accent);transition:right var(--t)}
.site-nav a:hover::after,.site-nav a[aria-current]::after{right:0}
.site-nav a[aria-current]{color:var(--ink)}
.lang-switch{display:flex;align-items:center;gap:.45rem;font-size:.78rem;letter-spacing:.1em}
.lang-switch a{text-decoration:none;color:var(--ink-mute);transition:color var(--t)}
.lang-switch a.active{color:var(--accent);font-weight:600}
.lang-switch .sep{color:var(--rule-strong)}

.site-main{min-height:62vh}
.flash-zone{padding-top:1.1rem}
.flash{padding:.8rem 1.1rem;border-radius:var(--radius);border:1px solid var(--rule-strong);font-size:var(--fs-2);background:#fffdf7}
.flash-ok{border-color:var(--ok);color:var(--ok)}
.flash-error{border-color:var(--err);color:var(--err)}

/* ---------- Page du jour : hero ---------- */
.day-head{text-align:center;padding-block:clamp(3rem,9vw,6.5rem) 1.5rem;position:relative}
.eyebrow{display:flex;gap:1rem;align-items:center;justify-content:center;flex-wrap:wrap;margin:0 0 1.4rem;font-size:var(--fs-1);color:var(--ink-mute)}
.verified-badge{position:relative;border:1px solid var(--accent);color:var(--accent);border-radius:999px;
  padding:.32rem .9rem .3rem;letter-spacing:.16em;text-transform:uppercase;font-size:.66rem;font-weight:600;
  background:color-mix(in srgb,var(--accent) 7%,transparent)}
.eyebrow-tagline{font-style:italic;font-size:var(--fs-2)}
.day-date{font-family:var(--serif);font-weight:600;font-size:clamp(2.8rem,9vw,5.4rem);line-height:1;margin:.2rem 0;
  letter-spacing:.005em;background:linear-gradient(180deg,var(--ink),#3c3326);-webkit-background-clip:text;background-clip:text;color:transparent}
.day-head::after{content:"";display:block;width:64px;height:0;margin:1.4rem auto 0;border-top:2px solid var(--accent);
  box-shadow:0 6px 0 -5px var(--rule-strong)}
.day-head-actions{margin:1.2rem 0 0}
.link-quiet{color:var(--ink-mute);text-decoration:none;border-bottom:1px solid var(--rule-strong);padding-bottom:1px;transition:color var(--t),border-color var(--t)}
.link-quiet:hover{color:var(--accent);border-color:var(--accent)}
.day-fallback{margin-top:1.1rem;font-size:var(--fs-2);color:var(--ink-mute);font-style:italic}

/* ---------- Strates ---------- */
.strata{}
.strate{position:relative;padding-block:clamp(2.4rem,6vw,4.4rem);overflow:hidden}
.strate + .strate{border-top:1px solid var(--rule)}
.strate:nth-child(even){background:linear-gradient(180deg,transparent,rgba(185,169,131,.08))}
.strate-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.6rem,5vw,4rem);align-items:center}
.strate--text .strate-inner{grid-template-columns:1fr;max-width:820px}
.strate-text{max-width:48ch}
.epoch-label{font-size:.74rem;letter-spacing:.24em;text-transform:uppercase;color:var(--accent);margin:0 0 .7rem;font-weight:600}
.event-year{font-family:var(--serif);font-weight:600;font-size:clamp(2.6rem,6vw,4rem);line-height:.95;margin:0 0 .7rem;color:var(--ink);letter-spacing:.005em}
.fact-title{font-family:var(--serif);font-size:clamp(1.5rem,2.4vw,2rem);line-height:1.18;margin:0 0 .8rem;font-weight:600}
.fact-summary{font-size:1.16rem;line-height:1.7;margin:0 0 1.1rem;color:var(--ink)}
.strate:first-of-type .fact-summary::first-letter{font-family:var(--serif);font-size:3.1em;line-height:.8;float:left;margin:.06em .12em 0 0;color:var(--accent);font-weight:600}
.fact-body p{color:var(--ink-soft);margin:0 0 .85rem}
.fact-empty{color:var(--ink-mute);font-style:italic}

.fact-tools{display:flex;gap:.4rem 1.6rem;flex-wrap:wrap;margin-top:1.4rem;font-size:var(--fs-2)}
.fact-tools details{min-width:min(100%,30rem)}
.fact-tools summary{cursor:pointer;color:var(--ink-soft);list-style:none;font-weight:500;transition:color var(--t)}
.fact-tools summary:hover{color:var(--accent)}
.fact-tools summary::-webkit-details-marker{display:none}
.fact-tools summary::before{content:"+";display:inline-block;width:1.1em;color:var(--accent);font-weight:700}
.fact-tools details[open] summary::before{content:"\2013"}
.source-list{list-style:none;margin:.7rem 0 0;padding:0;display:grid;gap:.7rem}
.source-list li{display:flex;flex-wrap:wrap;gap:.55rem;align-items:baseline;font-size:var(--fs-2);border-left:2px solid var(--accent);padding-left:.8rem}
.source-kind{font-size:.66rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-mute)}
.source-title{font-weight:600;text-underline-offset:2px;color:var(--ink)}
.source-cite{color:var(--ink-mute);font-style:italic}
.source-rel{margin-left:auto;color:var(--ink-mute);font-variant-numeric:tabular-nums}

.report-form{display:grid;gap:.7rem;margin-top:.8rem}
.report-form .field{display:grid;gap:.28rem}
.report-form .field span{font-size:var(--fs-1);color:var(--ink-mute)}
.report-form textarea,.report-form input[type=email]{font:inherit;padding:.6rem .7rem;border:1px solid var(--rule-strong);border-radius:var(--radius);background:#fffdf7;color:var(--ink)}
.report-form textarea:focus,.report-form input:focus{border-color:var(--accent);outline:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- Illustration ---------- */
.illu{margin:0;position:relative}
.illu-frame{overflow:hidden;border-radius:var(--radius);background:var(--paper-3);
  border:1px solid var(--rule-strong);padding:10px;box-shadow:var(--shadow)}
.illu-frame img{width:100%;display:block;border-radius:3px;border:1px solid rgba(33,28,21,.12)}
.credit{position:absolute;left:1rem;bottom:1rem;font-size:var(--fs-1)}
.credit-toggle{font:inherit;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;background:color-mix(in srgb,var(--ink) 82%,transparent);color:var(--paper);border:0;border-radius:999px;padding:.34rem .8rem;cursor:pointer;backdrop-filter:blur(3px)}
.credit-detail{display:none;margin-top:.45rem;max-width:34ch;background:color-mix(in srgb,var(--ink) 90%,transparent);color:var(--paper);padding:.7rem .9rem;border-radius:var(--radius);box-shadow:var(--shadow)}
.credit-detail span{display:block;line-height:1.45}
.credit-detail a{color:#ecd3b0;text-underline-offset:2px}
.credit-caption{margin-top:.35rem;font-style:italic;opacity:.85}
.illu:hover .credit-detail,.credit.open .credit-detail{display:block;animation:fade .2s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* ---------- Pages narratives ---------- */
.page-narrow{max-width:780px}
.page-head{padding-block:clamp(2.4rem,7vw,4rem) 1rem}
.page-head h1{font-family:var(--serif);font-weight:600;font-size:clamp(2.2rem,5.5vw,3.4rem);margin:0 0 .6rem;line-height:1.05}
.lead{font-size:1.24rem;color:var(--ink-soft);line-height:1.6}
.prose h2{font-family:var(--serif);font-size:var(--fs-4);margin:2.2rem 0 .6rem;font-weight:600}
.prose p{margin:0 0 1.05rem}
.prose section{border-top:1px solid var(--rule);padding-top:1.4rem;margin-top:1.6rem}
.page-cta{margin:2.2rem 0;display:flex;gap:1.1rem;align-items:center;flex-wrap:wrap}

.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--ink);color:var(--paper);text-decoration:none;
  padding:.7rem 1.4rem;border-radius:999px;border:1px solid var(--ink);font:inherit;font-weight:500;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t);box-shadow:0 10px 24px -16px rgba(33,28,21,.7)}
.btn:hover{transform:translateY(-1px);background:#000;box-shadow:0 16px 30px -16px rgba(33,28,21,.8)}

.newsletter{border-top:1px solid var(--rule);margin-top:2.2rem;padding-top:1.6rem}
.newsletter-form{display:grid;gap:.9rem;max-width:32rem}
.field{display:grid;gap:.32rem}
.field>span{font-size:var(--fs-1);color:var(--ink-mute)}
.field input[type=email]{font:inherit;padding:.62rem .8rem;border:1px solid var(--rule-strong);border-radius:var(--radius);background:#fffdf7}
.field input:focus{border-color:var(--accent);outline:none}
.field-check{grid-template-columns:auto 1fr;align-items:start;gap:.55rem}
.field-check span{font-size:var(--fs-2);color:var(--ink-soft)}

/* ---------- Calendrier ---------- */
.cal-toolbar{display:flex;gap:1.4rem;align-items:center;justify-content:center;margin:1.1rem 0}
.cal-year{font-family:var(--serif);font-size:var(--fs-3)}
.cal-legend{list-style:none;display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:center;padding:0;margin:0 0 2.4rem;font-size:var(--fs-1);color:var(--ink-mute)}
.cal-legend li{display:flex;align-items:center;gap:.45rem}
.swatch{width:14px;height:14px;border-radius:4px;border:1px solid var(--rule-strong);display:inline-block}
.sw-avail{background:var(--paper-3);box-shadow:inset 0 1px 0 #fff}
.sw-full{background:var(--paper-3);border-color:var(--accent)}
.sw-empty{background:transparent;opacity:.5}
.calendar{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1.8rem}
.cal-month-name{font-family:var(--serif);font-size:var(--fs-3);margin:0 0 .7rem;font-weight:600;text-transform:capitalize;border-bottom:1px solid var(--rule);padding-bottom:.35rem}
.cal-days{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(7,1fr);gap:5px}
.cal-day{display:flex;align-items:center;justify-content:center;aspect-ratio:1;border-radius:7px;font-size:var(--fs-1);font-variant-numeric:tabular-nums;text-decoration:none;color:var(--ink-mute);border:1px solid transparent}
.cal-day.is-empty{opacity:.4}
.cal-day.is-avail{color:var(--ink);background:linear-gradient(180deg,#fffdf7,var(--paper-3));border-color:var(--rule-strong);box-shadow:inset 0 1px 0 #fff,0 2px 4px rgba(33,28,21,.12);transition:transform var(--t),box-shadow var(--t)}
.cal-day.is-avail:hover{transform:translateY(-2px);box-shadow:inset 0 1px 0 #fff,0 8px 16px -6px rgba(33,28,21,.45);border-color:var(--accent)}
.cal-day.is-full{position:relative;border-color:var(--accent)}
.cal-day.is-full::after{content:"";position:absolute;top:5px;right:5px;width:4px;height:4px;border-radius:50%;background:var(--accent)}
.cal-day.is-today{outline:2px solid var(--accent);outline-offset:1px}

/* ---------- Pied de page ---------- */
.site-footer{border-top:1px solid var(--rule);margin-top:3.5rem;padding-block:2.4rem;color:var(--ink-mute);font-size:var(--fs-2);
  background:linear-gradient(180deg,transparent,rgba(185,169,131,.08))}
.footer-inner{display:flex;flex-direction:column;gap:.7rem;align-items:center;text-align:center}
.footer-legal{display:flex;gap:.6rem;flex-wrap:wrap;justify-content:center}
.footer-legal a{color:var(--ink-soft);text-decoration:none;text-underline-offset:2px}
.footer-legal a:hover{color:var(--accent);text-decoration:underline}
.footer-legal .sep,.footer-org{color:var(--ink-mute)}
.footer-org a{color:var(--ink-soft)}

/* legal / erreur */
.legal-updated{color:var(--ink-mute);font-style:italic}
.legal-body h2{font-family:var(--serif);font-size:var(--fs-4);margin:1.8rem 0 .6rem}
.legal-body h3{font-size:var(--fs-3);margin:1.3rem 0 .45rem}
.legal-body ul{padding-left:1.3rem}.legal-body li{margin:.35rem 0}
.error-page{padding-block:4.5rem;text-align:center}

/* ---------- Mouvement ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.is-visible{opacity:1;transform:none}
[data-parallax]{will-change:transform}

@media (max-width:820px){
  .header-inner{flex-wrap:wrap;gap:.5rem 1.1rem}
  .brand{margin-right:0;flex-basis:100%}
  .strate-inner{grid-template-columns:1fr}
  .illu{order:-1}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1!important;transform:none!important;transition:none!important}
  [data-parallax]{transform:none!important}
  .cal-day.is-avail,.btn{transition:none}
}
.reduce-motion .reveal{opacity:1!important;transform:none!important;transition:none!important}
.reduce-motion [data-parallax]{transform:none!important}

/* ---------- Barre Molderez (outils du groupe) ---------- */
.eph-topbar{background:var(--ink);color:var(--paper);font-family:var(--sans);font-size:.8rem}
.eph-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.4rem;min-height:34px}
.eph-topbar a{color:var(--paper);text-decoration:none;opacity:.92}
.eph-topbar a:hover{opacity:1;text-decoration:underline;text-underline-offset:2px}
.eph-topbar-home{display:inline-flex;align-items:center;gap:.45rem;letter-spacing:.02em}
.eph-tools{position:relative}
.eph-tools>summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:.45rem;padding:.15rem .2rem}
.eph-tools>summary::-webkit-details-marker{display:none}
.eph-tools>summary::after{content:"";border:4px solid transparent;border-top-color:currentColor;margin-top:4px;transition:transform var(--t)}
.eph-tools[open]>summary::after{transform:rotate(180deg);margin-top:-4px}
.eph-tools-menu{position:absolute;right:0;top:calc(100% + .4rem);min-width:232px;background:var(--paper);color:var(--ink);
  border:1px solid var(--rule-strong);border-radius:var(--radius);box-shadow:var(--shadow);list-style:none;margin:0;padding:.4rem;z-index:50}
.eph-tools-menu a{display:block;color:var(--ink-soft);padding:.5rem .7rem;border-radius:6px;opacity:1}
.eph-tools-menu a:hover{background:var(--paper-2);color:var(--accent);text-decoration:none}
.eph-tools-menu a[aria-current="page"]{color:var(--accent);font-weight:600}
.eph-tools-sep{border-top:1px solid var(--rule);margin-top:.3rem;padding-top:.3rem}

/* ---------- Partage social ---------- */
.day-share{display:flex;align-items:center;justify-content:center;gap:.5rem;flex-wrap:wrap;margin-top:1.4rem}
.day-share-label{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);margin-right:.25rem}
.share-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--rule-strong);background:var(--paper);color:var(--ink-soft);cursor:pointer;text-decoration:none;
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t)}
.share-btn:hover{transform:translateY(-2px)}
.share-btn .fa-brands,.share-btn .fa-solid{font-size:1rem;line-height:1}
.s-fb:hover{background:#1877f2;border-color:#1877f2;color:#fff}
.s-x:hover{background:#000;border-color:#000;color:#fff}
.s-li:hover{background:#0a66c2;border-color:#0a66c2;color:#fff}
.s-wa:hover{background:#25d366;border-color:#25d366;color:#fff}
.s-mail:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.s-copy:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.s-copy.is-copied{background:var(--ok);border-color:var(--ok);color:#fff}

/* ---------- Navigation entre jours ---------- */
.day-nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin:3rem auto 1rem;padding-top:1.5rem;border-top:1px solid var(--rule)}
.day-nav--top{margin:1.6rem auto .5rem;border-top:0;border-bottom:1px solid var(--rule);padding-top:0;padding-bottom:1.2rem}
.day-nav-link{display:flex;flex-direction:column;gap:.1rem;text-decoration:none;max-width:42%}
.day-nav-next{text-align:right;margin-left:auto;align-items:flex-end}
.day-nav-dir{font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-mute)}
.day-nav-date{font-family:var(--serif);font-size:1.3rem;color:var(--ink);transition:color var(--t)}
.day-nav-link:hover .day-nav-date{color:var(--accent)}
.day-nav-cal{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;
  border:1px solid var(--rule-strong);color:var(--ink-soft);text-decoration:none;flex:none;transition:background var(--t),color var(--t),border-color var(--t)}
.day-nav-cal:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* ===================================================================== */
/* Couche sensorielle : presence, matiere, micro-interactions             */
/* ===================================================================== */
/* Sceau « 100 % verifie » facon cire a cacheter */
.verified-badge{border:0;color:#fdf3ee;
  background:radial-gradient(120% 120% at 30% 22%, #a8503c, var(--accent) 55%, #6d2c21);
  box-shadow:0 2px 7px -2px rgba(33,28,21,.55), inset 0 1px 0 rgba(255,255,255,.28), inset 0 -1px 2px rgba(0,0,0,.25);
  padding:.34rem .85rem;border-radius:999px;letter-spacing:.1em;font-weight:600}
/* Heros : titre du jour, presence accrue */
.day-date{letter-spacing:-.012em;text-wrap:balance}
.eyebrow{gap:1rem}
/* Illustration : passe-partout creme, relief doux, elevation au survol */
.illu{transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.illu-frame{background:#fdfaf2;padding:14px;border-color:var(--rule-strong);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.6), var(--shadow);transition:box-shadow var(--t)}
.illu-frame img{box-shadow:0 0 0 1px rgba(33,28,21,.10)}
.illu:hover{transform:translateY(-4px)}
.illu:hover .illu-frame{box-shadow:inset 0 0 0 1px rgba(255,255,255,.6),0 28px 56px -30px rgba(33,28,21,.7)}
.credit-toggle{backdrop-filter:blur(2px)}
/* Strate : reaction tactile tres discrete */
.strate{transition:background-color var(--t)}
.strate:hover{background-color:rgba(185,169,131,.05)}
/* Calendrier : pastilles plus vivantes au survol */
.cal-day.is-avail{transition:transform var(--t),background var(--t),box-shadow var(--t),color var(--t)}
.cal-day.is-avail:hover{transform:translateY(-2px) scale(1.06)}
/* Navigation principale : soulignement au survol */
.site-nav a:hover{border-color:var(--rule-strong)}
/* Liens de corps et de sources : soulignement anime */
.fact-body a,a.source-title{background-image:linear-gradient(var(--accent),var(--accent));
  background-size:0 1px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size var(--t),color var(--t);text-decoration:none}
.fact-body a:hover,a.source-title:hover{background-size:100% 1px;color:var(--accent)}
/* Chiffres d'affichage : chasse resserree */
.event-year{letter-spacing:-.02em}
/* Boutons : retour tactile a l'appui */
.btn,.share-btn,.day-nav-cal,.credit-toggle{will-change:transform}
.btn:active,.share-btn:active,.day-nav-cal:active{transform:translateY(1px) scale(.985)}
@media (prefers-reduced-motion:reduce){
  .illu,.illu-frame img,.cal-day.is-avail{transition:none!important}
  .illu:hover{transform:none}
}

/* ---------- Plaque typographique (illustration de repli) ---------- */
.illu-plate .plate-frame{aspect-ratio:4/5;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:.55rem;text-align:center;position:relative;background:linear-gradient(180deg,#fbf5ea,#ece1cd)}
.illu-plate .plate-frame::after{content:"";position:absolute;inset:10px;border:1px solid var(--rule-strong);border-radius:3px;opacity:.65;pointer-events:none}
.plate-mark{width:56px;height:56px;margin-bottom:.2rem}
.plate-epoch{font-size:.74rem;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-mute)}
.plate-year{font-family:var(--serif);font-size:clamp(2.6rem,6vw,4rem);line-height:.95;color:var(--ink)}
.plate-sign{font-family:var(--serif);font-style:italic;color:var(--accent);font-size:1.05rem;letter-spacing:.02em}