/* ui.css (v98) : en-tête + boutons + finitions. Source unique, aucun !important.
   Palette du site uniquement : ink, teal, lime, paper, white (et leurs alphas). */
:root{
  --ui-ink:#102c32;--ui-teal:#24796e;--ui-teal-d:#1b5f56;--ui-lime:#c8db88;--ui-paper:#f2efe6;--ui-white:#fffdf8;
  --ui-line:rgba(16,44,50,.16);
  --ui-serif:Georgia,"Times New Roman",serif;--ui-sans:Arial,Helvetica,sans-serif;
  --ui-header-h:72px;
  --ui-ease:cubic-bezier(.2,.7,.25,1);
}
html{scroll-padding-top:calc(var(--ui-header-h) + 16px)}
/* L'en-tête rétrécit au défilement (le JS ajoute .is-scrolled) */
body:has(.site-header-shell.is-scrolled){--ui-header-h:60px}

/* ================= Boutons ================= */
.btn{
  --btn-bg:transparent;--btn-fg:var(--ui-ink);--btn-bd:var(--ui-ink);
  --btn-bg-h:var(--ui-ink);--btn-fg-h:var(--ui-white);--btn-bd-h:var(--ui-ink);
  --pad-x:24px;--ico-pad:8px;--ico-mr:-18px;
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;box-sizing:border-box;
  min-height:48px;padding:0 var(--pad-x);border:2px solid var(--btn-bd);border-radius:999px;
  color:var(--btn-fg);font:700 15px/1 var(--ui-sans);letter-spacing:.01em;text-decoration:none;white-space:nowrap;cursor:pointer;
  /* Remplissage qui glisse de gauche à droite au survol */
  background-color:var(--btn-bg);
  background-image:linear-gradient(var(--btn-bg-h),var(--btn-bg-h));
  background-repeat:no-repeat;background-position:0 0;background-size:0 100%;background-origin:border-box;
  transition:background-size .38s var(--ui-ease),color .22s ease .04s,border-color .22s ease,transform .2s ease,box-shadow .25s ease;
}
.btn:hover{background-size:100% 100%;color:var(--btn-fg-h);border-color:var(--btn-bd-h);transform:translateY(-1px);box-shadow:0 10px 24px rgba(16,44,50,.18)}
.btn:active{transform:translateY(1px) scale(.985);box-shadow:none;transition-duration:.08s}
.btn:focus-visible{outline:3px solid var(--ui-teal);outline-offset:3px}

.btn-ico{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-ico path{transition:transform .25s var(--ui-ease)}
.btn:hover .btn-ico path{transform:translateX(3px)}
.btn--down:hover .btn-ico path{transform:translateY(2px)}
.btn--back:hover .btn-ico path{transform:translateX(-3px)}

.btn--sm{min-height:44px;--pad-x:18px;--ico-pad:6px;--ico-mr:-12px;font-size:14px}
.btn--lg{min-height:52px;--pad-x:28px;--ico-pad:9px;--ico-mr:-21px;font-size:16px}

/* Niveau 1 : principal (lime), l'icône vit dans un disque sombre */
.btn--primary{--btn-bg:var(--ui-lime);--btn-fg:var(--ui-ink);--btn-bd:var(--ui-lime);--btn-bg-h:var(--ui-ink);--btn-fg-h:var(--ui-white);--btn-bd-h:var(--ui-ink)}
.btn--primary:not(.btn--back) .btn-ico{box-sizing:content-box;padding:var(--ico-pad);margin:0 var(--ico-mr) 0 2px;border-radius:50%;background:var(--ui-ink);color:var(--ui-lime);transition:background-color .25s ease,color .25s ease}
.btn--primary:not(.btn--back):hover .btn-ico{background:var(--ui-lime);color:var(--ui-ink)}

/* Niveau 2 : secondaire (contour) */
.btn--secondary{--btn-bg:transparent;--btn-fg:var(--ui-ink);--btn-bd:var(--ui-ink)}

/* Sur fond sombre */
.btn--on-dark{--btn-fg:var(--ui-white);--btn-bd:rgba(255,253,248,.5);--btn-bg-h:var(--ui-white);--btn-fg-h:var(--ui-ink);--btn-bd-h:var(--ui-white)}
.btn--on-dark:focus-visible{outline-color:var(--ui-lime)}
.btn--primary.btn--on-dark{--btn-bg:var(--ui-lime);--btn-fg:var(--ui-ink);--btn-bd:var(--ui-lime);--btn-bg-h:var(--ui-white);--btn-fg-h:var(--ui-ink);--btn-bd-h:var(--ui-white)}
.btn--primary.btn--on-dark:not(.btn--back):hover .btn-ico{background:var(--ui-ink);color:var(--ui-lime)}

/* Niveau 3 : lien. Le soulignement lime est recouvert par un trait qui avance au survol */
.btn--link,.copy-mail:not(.btn){
  min-height:0;padding:10px 0 9px;border:0;border-radius:0;color:var(--ui-ink);font:700 15px/1 var(--ui-sans);
  background-color:transparent;
  background-image:linear-gradient(var(--ui-lime),var(--ui-lime)),linear-gradient(currentColor,currentColor);
  background-repeat:no-repeat;background-position:0 100%,0 100%;background-size:100% 2px,0 2px;
  box-shadow:none;transition:background-size .35s var(--ui-ease),color .2s ease;
}
.btn--link:hover,.copy-mail:not(.btn):hover{background-size:100% 2px,100% 2px;background-color:transparent;transform:none;box-shadow:none;color:var(--ui-ink)}
.btn--link::after{content:"";position:absolute;inset:-8px -4px}
.btn--link.btn--on-dark,.copy-mail:not(.btn){color:var(--ui-white)}
.btn--link.btn--on-dark:hover,.copy-mail:not(.btn):hover{color:var(--ui-white)}
.copy-mail:not(.btn){display:inline-flex;align-items:center;justify-content:center;cursor:pointer}

/* ================= En-tête ================= */
.site-header-shell{position:sticky;top:0;z-index:100;width:100%;background:rgba(242,239,230,.92);
  -webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);
  border-bottom:1px solid var(--ui-line);transition:box-shadow .25s ease,background-color .25s ease}
.site-header-shell.is-scrolled,.site-header-shell.menu-open{background:rgba(242,239,230,.97);box-shadow:0 8px 28px rgba(16,44,50,.09)}
.site-header-shell .nav{position:static;display:flex;align-items:center;justify-content:space-between;gap:24px;
  box-sizing:border-box;width:min(1240px,calc(100% - 48px));height:var(--ui-header-h);min-height:var(--ui-header-h);margin:0 auto;padding:0;
  background:transparent;transition:height .25s ease,min-height .25s ease}

/* Logo : monogramme JB + nom */
.nav .logo{display:inline-flex;align-items:center;gap:12px;flex:none;color:var(--ui-ink);text-decoration:none;white-space:nowrap}
.nav .logo .logo-mark{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--ui-ink);color:var(--ui-lime);
  font:700 15px/1 var(--ui-serif);letter-spacing:.02em;transition:transform .3s var(--ui-ease),width .25s ease,height .25s ease}
.site-header-shell.is-scrolled .logo-mark{width:32px;height:32px}
.nav .logo:hover .logo-mark{transform:rotate(-6deg)}
.nav .logo .logo-text{font:700 18px/1 var(--ui-serif);letter-spacing:.14em;text-transform:uppercase;color:var(--ui-ink)}
.nav .logo .logo-text span{color:var(--ui-teal-d)}
.nav .logo:focus-visible{outline:3px solid var(--ui-teal);outline-offset:4px;border-radius:8px}

/* Liens : un point « voyant » indique la section active */
.nav .links{display:flex;align-items:center;gap:30px;margin:0 auto}
.nav .links a{position:relative;padding:8px 0;font:600 15px/1 var(--ui-sans);color:var(--ui-ink);text-decoration:none}
.nav .links a::after{content:"";position:absolute;left:50%;bottom:-4px;width:6px;height:6px;margin-left:-3px;border-radius:50%;
  background:var(--ui-lime);box-shadow:0 0 0 1.5px var(--ui-ink);transform:scale(0);transition:transform .3s cubic-bezier(.3,1.6,.5,1)}
.nav .links a:hover::after,.nav .links a.is-active::after{transform:scale(1)}
.nav .links a:focus-visible{outline:3px solid var(--ui-teal);outline-offset:4px;border-radius:2px}

.nav .nav-actions{display:flex;align-items:center;gap:14px;flex:none}
.nav .nav-actions .nav-cv{display:none}
.nav .header-controls{display:flex;align-items:center;gap:10px;flex:none}
.nav>.nav-back{margin-left:auto}
.nav>.nav-cv{flex:none}

/* Bouton Contact : voyant qui pulse doucement */
.nav-cta::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ui-ink);animation:uiPulse 2.6s ease-out infinite;transition:background-color .2s ease}
.nav-cta:hover::before{background:var(--ui-lime);animation:none}
@keyframes uiPulse{0%{box-shadow:0 0 0 0 rgba(16,44,50,.4)}70%,100%{box-shadow:0 0 0 9px rgba(16,44,50,0)}}

/* Sélecteur de langue : contrôle segmenté */
.language-switch{display:inline-flex;align-items:center;gap:2px;padding:3px;border:1.5px solid var(--ui-ink);border-radius:999px;white-space:nowrap}
.language-switch a{display:inline-flex;align-items:center;justify-content:center;min-width:40px;min-height:34px;padding:0 10px;border-radius:999px;
  font:700 12px/1 var(--ui-sans);letter-spacing:.06em;color:var(--ui-ink);text-decoration:none;transition:background-color .2s ease,color .2s ease}
.language-switch a:hover{background:rgba(16,44,50,.08)}
.language-switch a[aria-current="page"]{background:var(--ui-ink);color:var(--ui-white)}
.language-switch a:focus-visible{outline:3px solid var(--ui-teal);outline-offset:2px}

/* Barre de progression : posée sur l'arête basse de l'en-tête. L'ancienne barre et l'ancien bouton
   « haut de page » de pro.js faisaient doublon avec ceux de site.js : on les masque. */
.reading-progress{top:calc(var(--ui-header-h) - 3px);transition:top .25s ease}
.progress,.to-top{display:none}

/* Menu mobile (le JS crée le bouton et le tiroir) */
.nav .mobile-menu-trigger{display:none;align-items:center;gap:10px;min-height:44px;padding:0 16px;border:2px solid var(--ui-ink);border-radius:999px;
  background:transparent;color:var(--ui-ink);font:700 14px/1 var(--ui-sans);cursor:pointer;transition:background-color .2s ease,color .2s ease}
.nav .mobile-menu-trigger:hover{background:var(--ui-ink);color:var(--ui-white)}
.nav .mobile-menu-trigger:focus-visible{outline:3px solid var(--ui-teal);outline-offset:3px}
.mobile-menu-trigger .bars{display:grid;gap:4px}
.mobile-menu-trigger .bars i{display:block;width:18px;height:2px;border-radius:2px;background:currentColor;transition:transform .22s ease,opacity .22s ease}
.mobile-menu-trigger[aria-expanded="true"] .bars i:first-child{transform:translateY(6px) rotate(45deg)}
.mobile-menu-trigger[aria-expanded="true"] .bars i:nth-child(2){opacity:0}
.mobile-menu-trigger[aria-expanded="true"] .bars i:last-child{transform:translateY(-6px) rotate(-45deg)}
.nav .mobile-drawer{display:none}
@keyframes uiMenuIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

@media (max-width:1180px){
  :root{--ui-header-h:64px}
  body:has(.site-header-shell.is-scrolled){--ui-header-h:56px}
  .nav>.links,.nav>.nav-actions,.nav>.nav-back,.nav>.nav-cv{display:none}
  .nav>.logo{margin-right:auto}
  .nav .mobile-menu-trigger{display:inline-flex}
  .nav .mobile-drawer.is-open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;
    padding:8px max(24px,calc((100vw - 1240px)/2)) 28px;background:var(--ui-paper);border-bottom:1px solid var(--ui-line);
    box-shadow:0 18px 32px rgba(16,44,50,.12);max-height:calc(100dvh - var(--ui-header-h));overflow-y:auto;overscroll-behavior:contain;animation:uiMenuIn .2s ease both}
  .mobile-drawer a{display:flex;align-items:center;min-height:56px;padding:0 4px;border-bottom:1px solid var(--ui-line);
    font:600 18px/1.2 var(--ui-sans);color:var(--ui-ink);text-decoration:none}
  .mobile-drawer a:hover{color:var(--ui-teal-d)}
  .mobile-drawer a:focus-visible{outline:3px solid var(--ui-teal);outline-offset:-3px}
  .mobile-drawer a.current{color:var(--ui-teal-d);box-shadow:inset 4px 0 0 var(--ui-lime);padding-left:16px}
  .mobile-drawer a.drawer-action{justify-content:center;min-height:52px;margin-top:18px;border:2px solid var(--ui-lime);border-radius:999px;
    background:var(--ui-lime);color:var(--ui-ink);font:700 16px/1 var(--ui-sans)}
  .mobile-drawer a.drawer-action:hover{background:var(--ui-ink);border-color:var(--ui-ink);color:var(--ui-white)}
  .mobile-drawer a.drawer-action .btn-ico{display:none}
  /* Accueil : Contact = action principale, CV = secondaire (en bas du tiroir) */
  .mobile-drawer a[href="#contact"]{order:98;justify-content:center;min-height:52px;margin-top:18px;border:2px solid var(--ui-lime);border-radius:999px;background:var(--ui-lime);color:var(--ui-ink);font:700 16px/1 var(--ui-sans)}
  .mobile-drawer a[href="#contact"]:hover{background:var(--ui-ink);border-color:var(--ui-ink);color:var(--ui-white)}
  .mobile-drawer a.drawer-action{order:99}
  .mobile-drawer a[href="#contact"]~a.drawer-action{margin-top:12px;background:transparent;border-color:var(--ui-ink);color:var(--ui-ink)}
  .mobile-drawer a[href="#contact"]~a.drawer-action:hover{background:var(--ui-ink);color:var(--ui-white)}
}
@media (max-width:480px){
  .site-header-shell .nav{width:calc(100% - 32px);gap:10px}
  .nav .logo{gap:9px}
  .nav .logo .logo-mark{width:32px;height:32px;font-size:13px;border-radius:9px}
  .nav .logo .logo-text{font-size:14px;letter-spacing:.1em}
  .nav .mobile-menu-trigger{padding:0 14px}
  .nav .mobile-menu-trigger>span:last-child{display:none}
  .language-switch a{min-width:34px;padding:0 8px}
  .nav .mobile-drawer.is-open{padding-inline:16px}
}

/* ================= Hero, contact, repères ================= */
.hero-links{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;margin-top:32px}
.hero-links>*{animation:uiRise .6s var(--ui-ease) backwards}
.hero-links>:nth-child(1){animation-delay:.15s}
.hero-links>:nth-child(2){animation-delay:.25s}
.hero-links>:nth-child(3){animation-delay:.35s}
@keyframes uiRise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.contact-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
@media (min-width:901px){
  body[data-page=home] .contact-actions{flex-direction:column;align-items:stretch;min-width:280px}
  .contact-actions .btn:not(.btn--link){width:100%}
  .contact-actions .btn--link,.contact-actions .copy-mail{align-self:center}
}
@media (max-width:520px){
  .hero-links{flex-direction:column;align-items:stretch;gap:14px}
  .hero-links .btn:not(.btn--link){width:100%}
  .hero-links .btn--link{align-self:center}
  .contact-actions{flex-direction:column;align-items:stretch;width:100%}
  .contact-actions .btn:not(.btn--link){width:100%}
  .contact-actions .btn--link,.contact-actions .copy-mail{align-self:center}
}

/* Repères chiffrés : petit trait d'accent au-dessus de chaque valeur */
.proof-grid>div{position:relative}
.proof-grid>div::before{content:"";position:absolute;top:-1px;left:24px;width:40px;height:3px;background:var(--ui-teal)}
.proof-grid>div:first-child::before{left:0}
@media (max-width:720px){.proof-grid>div:nth-child(odd)::before{left:0}}

/* Focus visible lisible sur fonds sombres */
:is(.hero,.contact,.footer,.route,.quote,.milestone,.p-hero,.p-end,.error-shell) :focus-visible{outline-color:var(--ui-lime)}

/* ================= 404 ================= */
.error-actions .btn{margin:0}

@media (prefers-reduced-motion:reduce){
  .btn,.btn-ico path,.site-header-shell,.site-header-shell .nav,.nav .links a::after,.language-switch a,.mobile-menu-trigger,.mobile-menu-trigger .bars i,.logo-mark,.reading-progress{transition:none}
  .btn:hover,.btn:active{transform:none}
  .btn:hover .btn-ico path{transform:none}
  .nav-cta::before,.hero-links>*{animation:none}
  .nav .mobile-drawer.is-open{animation:none}
}