/* ==========================================================================
   Thème & Variables
   ========================================================================== */
:root{
  --bg:#0b0f14; --bg-2:#0a0e13; --bg-elev:#0f141a;
  --text:#e6edf3; --muted:#9aa8b4;
  --primary:#e11d48; --primary-700:#9f1239; --accent:#22d3ee;
  --card:#111823; --border:#1f2a37;
  --radius:16px; --container:1150px; --header-h:46px;

  /* Ombres allégées */
  --shadow-sm:0 2px 8px rgba(0,0,0,.15);
  --shadow-md:0 6px 18px rgba(0,0,0,.22);
  --shadow-lg:0 10px 28px rgba(0,0,0,.28);

  /* Animations globales désactivées par défaut */
  --hero-anim-state: paused;
}

/* Light */
:root[data-theme="light"]{
  --bg:#f7f8fb; --bg-2:#eef1f6; --bg-elev:#ffffff;
  --text:#0e141b; --muted:#5a6b7a;
  --primary:#d91c47; --primary-700:#a61236; --accent:#10bcd6;
  --card:#ffffff; --border:#d9e0e8;
  --shadow-sm:0 2px 8px rgba(0,0,0,.06);
  --shadow-md:0 6px 18px rgba(0,0,0,.10);
  --shadow-lg:0 10px 28px rgba(0,0,0,.12);
}

/* Respect du thème OS si non forcé */
@media (prefers-color-scheme: light){ :root:not([data-theme="dark"]) { color-scheme: light; } }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { color-scheme: dark; } }

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0; font-family:"Roboto",system-ui,-apple-system,Segoe UI,Arial,sans-serif; line-height:1.6;
  color:var(--text);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  background-repeat:no-repeat;
  background-size:100% 100%;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
  padding-top:var(--header-h);
  transition: background-color .2s ease, color .2s ease, background .2s ease;
}

h1,h2,h3{line-height:1.2; margin:0 0 16px; transition:color .2s ease}
p{margin:0 0 12px; color:var(--muted); transition:color .2s ease}
a{color:inherit; text-decoration:none}

/* Texte à dégradé réutilisable */
.gradient, strong{
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip:text; background-clip:text; color:transparent; font-weight:800;
}

/* ==========================================================================
   Effets de fond (version statique, 0 animation/0 blur)
   ========================================================================== */
.fx-aurora{
  position:fixed; inset:-15vh -20vw; z-index:-2; pointer-events:none;
  /* Teintes identiques mais opacité réduite pour limiter le coût du paint */
  background:
    radial-gradient(40% 60% at 20% 10%, rgba(34,211,238,.10), transparent 60%),
    radial-gradient(35% 55% at 80% 0%,  rgba(225,29,72,.10), transparent 60%),
    radial-gradient(60% 60% at 50% 90%, rgba(124,58,237,.08), transparent 70%);
  background-repeat:no-repeat;
  background-size:100% 100%;
  /* pas d'animation, pas de filter */
}

.hero-halo{
  position:absolute; inset:-10% -15%; pointer-events:none; z-index:0; opacity:.55;
  background:
    radial-gradient(40% 55% at 20% 30%, color-mix(in oklab, var(--accent) 18%, transparent), transparent 65%),
    radial-gradient(45% 50% at 80% 70%, color-mix(in oklab, var(--primary) 16%, transparent), transparent 70%),
    radial-gradient(60% 65% at 50% 100%, color-mix(in oklab, #7c3aed 12%, transparent), transparent 75%);
  /* pas d'animation */
}

/* ==========================================================================
   Layout + titre section
   ========================================================================== */
.section{width:100%; max-width:var(--container); margin:0 auto; padding:45px 24px; position:relative}

.section > h2 {
  display: block;
  /* si tu veux un fallback très large support */
  width: -moz-fit-content;
  width: fit-content;          /* le titre prend juste sa largeur */
  margin: 0 auto 36px;         /* centre horizontalement */
  /* inutile d'avoir text-align:center ici, tu peux l’ôter */
  font-size: clamp(32px, 3vw, 42px);
  font-weight: 800;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section > h2::after {
  content: "";
  display: block;
  height: 3px;
  width: 60%;                  /* bande sous le texte, pas pleine largeur */
  margin: 8px auto 0;          /* centrée sous le h2 */
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
/* ==========================================================================
   Header / Navigation
   ========================================================================== */
header{
  position:fixed; top:0; left:0; width:100%; z-index:9999;
  background:linear-gradient(180deg, rgba(11,15,20,.92), rgba(11,15,20,.72));
  border-bottom:1px solid var(--border);
}
:root[data-theme="light"] header{
  background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.72));
}
.navbar{ width:100%; padding:0 32px; min-height:56px; display:flex; align-items:center; justify-content:space-between; gap:14px; }
.logo{font-weight:700; letter-spacing:.3px; display:flex; align-items:center; gap:10px}
.logo::before{
  content:""; width:10px; height:10px; border-radius:999px;
  background: radial-gradient(circle at 30% 30%, var(--accent), transparent 60%), var(--primary);
  box-shadow:0 0 10px rgba(34,211,238,.5), 0 0 6px rgba(225,29,72,.35);
}

.nav-links{list-style:none; display:flex; gap:18px; padding:0; margin:0}
.nav-links a{
  display:flex; align-items:center; gap:8px; padding:8px 6px; font-weight:500; color:var(--muted);
  position:relative; transition:color .2s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a::after{
  content:""; position:absolute; bottom:0; height:2px; width:0%;
  background:linear-gradient(90deg, var(--primary), var(--accent));
  transition:width .25s ease; right:0;
}
.nav-links a:hover::after, .nav-links a.is-active::after{ width:100%; left:0; right:auto; }
.nav-links a.is-active{color:var(--text)}
.icon{width:18px; height:18px; flex:0 0 18px; display:inline-block}
.icon-draw{stroke-dasharray:90; stroke-dashoffset:90; transition:stroke-dashoffset .6s cubic-bezier(.2,.65,.2,1)}
.nav-links a:hover .icon-draw{stroke-dashoffset:0}
.nav-links a.is-active .icon-draw { stroke-dashoffset: 0; }
.nav-links a:focus-visible .icon-draw { stroke-dashoffset: 0; }
.nav-links a .icon { opacity:.75; transition: opacity .2s ease; }
.nav-links a.is-active .icon { opacity:1; }

/* Toggle thème */
.theme-toggle{
  display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:8px 10px; border-radius:999px;
  background:var(--bg-elev); color:var(--text); border:1px solid var(--border); box-shadow:var(--shadow-sm);
  cursor:pointer; transition: transform .12s ease, box-shadow .2s ease;
}
.theme-toggle:hover{transform:translateY(-1px); box-shadow:var(--shadow-md)}
.theme-toggle .icon{width:18px; height:18px}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero--landing{
  position:relative; min-height:calc(100vh - var(--header-h));
  display:flex; align-items:center; justify-content:center; flex-direction:column; text-align:center; overflow:hidden; padding:0 20px;
  isolation:isolate;
}
.hero--landing .hero-inner{ z-index:1; display:grid; gap:12px; justify-items:center; }
.hero--landing .hero-title{ font-size:clamp(38px,7vw,72px); line-height:1.05; letter-spacing:.3px; margin:0; }
.hero--landing .subtitle{ display:block; font-size:clamp(14px,2.2vw,18px); font-weight:700; color:var(--text); opacity:.9; margin-top:.35rem; }
.hero--landing .hero-tagline{ max-width:820px; margin:6px auto 8px; color:var(--muted); font-size:clamp(15px,2.1vw,18px); }

.hero-particles{
  position:absolute;
  inset:0;
  pointer-events:none;
  z-index:0;
  overflow:hidden;
}

.hero-particle{
  --size:3px;
  --duration:12s;
  --delay:0s;
  --x-start:0%;
  --drift:0px;
  position:absolute;
  left:var(--x-start);
  top:-12%;
  width:var(--size);
  height:var(--size);
  border-radius:999px;
  background:color-mix(in oklab, var(--accent) 68%, white 32%);
  filter:blur(.35px);
  opacity:.45;
  animation:hero-fall var(--duration) linear infinite;
  animation-delay:var(--delay);
}

.hero-particle:nth-child(odd){
  background:color-mix(in oklab, var(--primary) 38%, var(--accent) 62%);
  opacity:.4;
  animation-name:hero-fall-soft;
}

@keyframes hero-fall{
  0%{
    transform:translate3d(0, -10%, 0);
    opacity:0;
  }
  15%{ opacity:.55; }
  85%{ opacity:.45; }
  100%{
    transform:translate3d(var(--drift), 118vh, 0);
    opacity:0;
  }
}

@keyframes hero-fall-soft{
  0%{
    transform:translate3d(0, -12%, 0);
    opacity:0;
  }
  20%{ opacity:.48; }
  100%{
    transform:translate3d(calc(var(--drift) * .65), 118vh, 0);
    opacity:0;
  }
}

/* ==========================================================================
   Composants (boutons / chips / cartes)
   ========================================================================== */
.btn{
  display:inline-block; padding:12px 18px; border-radius:999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-700));
  color:#fff; font-weight:600; box-shadow:var(--shadow-sm);
  transition: transform .12s ease, box-shadow .2s ease;
}
.btn:hover{ transform:translateY(-1px); box-shadow:var(--shadow-md) }

.chip{
  display:inline-flex; align-items:center; gap:.5rem; padding:.45rem .9rem; border-radius:999px;
  font-weight:700; color:var(--text);
  border:1px solid var(--border);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,0));
  box-shadow: 0 0 0 1px rgba(255,255,255,.02) inset, var(--shadow-sm);
}
.chip svg{ width:16px; height:16px; opacity:.9 }
.chip--accent{
  border-color: color-mix(in oklab, var(--accent) 45%, var(--border));
  box-shadow:none; /* supprime l’extra glow */
}

/* Cadres */
.frame{
  position:relative; background:var(--card); border:1px solid var(--border);
  border-radius:var(--radius); box-shadow:var(--shadow-sm);
}
.card-glow{ padding:18px; }
/* === Neon glow (boosté mais perf) ======================================= */
.frame{
  position:relative;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
}
.card-glow{ padding:18px; }

/* Halo néon (statique, opacité plus haute) */
.frame::before{
  content:"";
  position:absolute;
  inset:-3px; /* léger débord pour donner de l’air */
  border-radius:calc(var(--radius) + 3px);
  z-index:-1;
  background:
    radial-gradient(120% 120% at 0% 0%,     color-mix(in oklab,var(--accent) 35%, transparent) 0%, transparent 65%),
    radial-gradient(120% 120% at 100% 0%,   color-mix(in oklab,var(--primary) 35%, transparent) 0%, transparent 65%),
    radial-gradient(120% 120% at 0% 100%,   color-mix(in oklab,var(--primary) 28%, transparent) 0%, transparent 65%),
    radial-gradient(120% 120% at 100% 100%, color-mix(in oklab,var(--accent) 28%, transparent) 0%, transparent 65%);
  opacity:.45;                  /* plus visible au repos */
  transition:opacity .25s ease;
  will-change:opacity;
}

/* Allumage au survol/focus */
.glow-boost:hover::before,
.glow-boost:focus-within::before{
  opacity:.95; /* presque plein éclat */
}

/* Ombre portée un peu plus forte pour renforcer l’effet néon */
.glow-boost:hover,
.glow-boost:focus-within{
  box-shadow:0 0 22px rgba(34,211,238,.25), 0 0 18px rgba(225,29,72,.25);
}

/* ==========================================================================
   Grilles utilitaires
   ========================================================================== */
.section--grid{ display:grid; gap:18px; grid-template-columns:1fr 1fr; align-items:start; }
@media (max-width:980px){ .section--grid{ grid-template-columns:1fr; } }

/* ==========================================================================
   À propos (listes / stats / liens)
   ========================================================================== */
.list-dot{ list-style:none; padding-left:0; margin:.4rem 0 0 0; }
.list-dot li{ position:relative; padding-left:18px; }
.list-dot li::before{
  content:""; position:absolute; left:0; top:.6em; width:8px; height:8px; border-radius:999px;
  background: radial-gradient(closest-side, color-mix(in oklab,var(--accent) 85%, #fff 15%), transparent 70%);
  box-shadow: 0 0 8px color-mix(in oklab, var(--accent) 35%, transparent);
}
.stat-tiles{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
.stat-tile{
  border-radius:14px; padding:12px 14px;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0));
  border:1px solid color-mix(in oklab, var(--accent) 35%, var(--border));
  box-shadow:var(--shadow-sm);
  transition: transform .12s ease, box-shadow .2s ease, border-color .2s ease;
}
.stat-tile:hover{ transform:translateY(-2px); border-color: color-mix(in oklab, var(--accent) 55%, var(--border)); box-shadow:var(--shadow-md); }
.stat-n{ font-size:clamp(20px,3.2vw,26px); font-weight:800; line-height:1; }
.stat-l{ font-size:12px; color:var(--muted); margin-top:6px; }

.info-mini{
  list-style:none; padding:0; margin:6px auto 0; display:grid; gap:.4rem; color:var(--muted);
}
.info-mini li{ display:flex; align-items:center; gap:.5rem; justify-content:center; }
.info-mini a{ color:inherit; border-bottom:1px dashed rgba(255,255,255,.2); }
:root[data-theme="light"] .info-mini a{ border-bottom-color:rgba(0,0,0,.15); }
.info-mini a:hover{ color:var(--text); border-bottom-color:rgba(255,255,255,.35); }

.cert-card{
  padding:5px 14px;
}

.cert-main{
  display:grid;
  grid-template-columns:minmax(100px, 150px) 1fr;
  align-items:center;
  gap:10px;
}

.cert-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  flex-wrap:wrap;
}

.cert-card .chip{
  padding:.3rem .5rem;
}

.cert-content{
  display:grid;
  gap:8px;
}

.cert-visual{
  min-height:84px;
  border-radius:12px;
  display:grid;
  place-items:center;
  border:1px solid color-mix(in oklab, var(--accent) 30%, var(--border));
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.01));
}

.cert-fallback{
  width:56px;
  height:56px;
  color:var(--accent);
}

.cert-desc{
  margin:0;
  font-size:15px;
  line-height:1.4;
}

.cert-card .btn{
  padding:9px 14px;
  justify-self:center;
}

@media (max-width:760px){
  .cert-main{ grid-template-columns:1fr; }
}

/* ==========================================================================
   Compétences
   ========================================================================== */
.skill-theme{ margin-bottom:24px; }
.theme-title{
  display:flex; align-items:center; gap:10px; margin:0 0 12px;
  font-size:clamp(16px,2vw,18px); font-weight:800;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.theme-title .icon{ width:18px; height:18px; opacity:.9 }

.tech-grid{ display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:14px; }
@media (max-width:1200px){ .tech-grid{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:860px){  .tech-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){  .tech-grid{ grid-template-columns:1fr; } }

.tech-card{
  padding:14px; border-radius:var(--radius);
  display:grid; grid-template-rows:auto auto 1fr; gap:8px;
  transition: transform .12s ease, box-shadow .2s ease, border-color .2s ease;
  background:var(--card); border:1px solid var(--border);
}
.tech-card:hover{ transform:translateY(-2px); box-shadow:var(--shadow-md); }
.tech-logo{
  width:36px; height:36px; border-radius:10px; display:grid; place-items:center;
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,0));
  border:1px solid var(--border); overflow:hidden;
}
.tech-logo img, .tech-logo svg{ width:24px; height:24px; opacity:.95; display:block; }
.tech-title{ margin:4px 0 0; font-size:15px; }
.tech-desc{ margin:0; color:var(--muted); font-size:14px; line-height:1.55; }

.tech-header {
  display: flex;
  align-items: center;
  gap: 10px;   /* espace entre le logo et le titre */
}

.tech-title {
  margin: 0;
  font-size: 15px;
}


/* ==========================================================================
   Projets
   ========================================================================== */
.projects-grid{display:grid; grid-template-columns:repeat(auto-fit, minmax(280px,1fr)); gap:18px}
.project-card{
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius);
  padding:18px 18px 20px; box-shadow:var(--shadow-sm);
  transition: transform .12s ease, box-shadow .2s ease, border-color .2s ease;
  position:relative; overflow:hidden; transform-style:flat; /* no 3D */
}


/* ==========================================================================
   Contact
   ========================================================================== */
#contact .contact-wrap{
  /* largeur = largeur du sous-cadre + padding horizontal (16px * 2) */
  --panel-w: 520px;
  --wrap-pad-x: 16px;

  max-width: calc(var(--panel-w) + (var(--wrap-pad-x) * 2));
  margin: 0 auto;
  padding: 12px var(--wrap-pad-x) 16px;
  border-radius: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

#contact .contact-wrap:hover,
#contact .contact-wrap:focus-within{
  box-shadow:0 0 22px rgba(34,211,238,.25), 0 0 18px rgba(225,29,72,.25);
}

#contact .contact-intro{
  margin: 2px 6px 12px;
  color: var(--muted);
  text-align: center;
  font-size: 14.5px;
}

/* --- sous-cadre ----------------------------------------------------------- */
#contact .contact-panel{
  max-width: var(--panel-w);
  width: 100%;
  margin: 0 auto;
  padding: 10px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
  border: 1px solid var(--border);
}

/* chaque ligne = flèche + icône + texte + action à droite */
#contact .contact-item{
  display: grid;
  grid-template-columns: 16px 40px 1fr auto; /* flèche / icône / texte / action */
  align-items: center;
  gap: 12px;
  padding: 20px 8px;
  position: relative;
  border-radius: 14px;
  transition: transform .12s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  color: inherit;
  text-decoration: none;
}

#contact .contact-item + .contact-item{
  border-top: 1px solid var(--border);
}

/* flèche dégradée à gauche */
#contact .contact-item::before{
  content: "›";
  font-size: 20px; font-weight: 900; line-height: 1;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

/* badge (icône) */
#contact .contact-badge{
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,0));
  border: 1px solid var(--border);
  color: color-mix(in oklab, var(--text) 85%, var(--accent) 15%);
}
#contact .contact-badge .icon,
#contact .contact-badge svg{ width:20px; height:20px; }

/* textes */
#contact .contact-body{ display:flex; flex-direction:column; gap:2px; min-width:0; }
#contact .contact-label{ font-weight:800; color:var(--text); line-height:1.2; }
#contact .contact-sub{
  font-size:12.5px; color:var(--muted);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}

/* bouton à droite (lien ou <button>) */
#contact .contact-action{
  justify-self:end;
  padding:8px 12px;
  border-radius:999px;
  font-weight:700; font-size:13px;
  border:1px solid color-mix(in oklab, var(--accent) 55%, var(--border));
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0));
  color:var(--text);
  transition:transform .1s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
  cursor:pointer;
}

/* hover “comme compétences” : lift + glow léger */
#contact .contact-item:hover{
  transform: translateY(-2px);
  background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,0));
  box-shadow: var(--shadow-sm);
}
#contact .contact-item:hover .contact-badge{
  border-color: color-mix(in oklab, var(--accent) 60%, var(--border));
}
#contact .contact-item:hover .contact-action{
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
  border-color: color-mix(in oklab, var(--accent) 75%, var(--border));
}
#contact .contact-item:hover::before{
  filter: drop-shadow(0 0 6px color-mix(in oklab, var(--accent) 55%, transparent));
}

/* état succès pour le bouton “Copier” (ajouté en JS) */
#contact .contact-action.is-copied{
  border-color: color-mix(in oklab, var(--accent) 92%, var(--border));
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent) 25%, transparent);
}

/* pied aligné exactement sous le bloc */
#contact .contact-foot{
  max-width: calc(var(--panel-w) + (var(--wrap-pad-x) * 2));
  margin: 10px auto 0;
}


/* === Glow façon "Compétences" sur les items de contact =================== */

/* halo néon sur toute la ligne (on utilise ::after pour ne pas gêner la flèche ::before) */
#contact .contact-item{
  position: relative;
  overflow: visible; /* pour laisser respirer l’halo */
  border-radius: 14px; /* même rayon que la ligne */
}

/* halo au repos (faible) */
#contact .contact-item::after{
  content:"";
  position:absolute;
  inset:-3px;
  border-radius: calc(14px + 3px);
  z-index:-1;
  background:
    radial-gradient(120% 120% at 0% 0%,     color-mix(in oklab,var(--accent) 35%, transparent) 0%, transparent 65%),
    radial-gradient(120% 120% at 100% 0%,   color-mix(in oklab,var(--primary) 35%, transparent) 0%, transparent 65%),
    radial-gradient(120% 120% at 0% 100%,   color-mix(in oklab,var(--primary) 28%, transparent) 0%, transparent 65%),
    radial-gradient(120% 120% at 100% 100%, color-mix(in oklab,var(--accent) 28%, transparent) 0%, transparent 65%);
  opacity:.45;
  transition: opacity .25s ease;
}

/* allumage au survol / focus (comme .glow-boost) */
#contact .contact-item:hover::after,
#contact .contact-item:focus-within::after{
  opacity:.95;
}

/* petit glow supplémentaire sur le badge (rectangle icône) */
#contact .contact-item:hover .contact-badge,
#contact .contact-item:focus-within .contact-badge{
  border-color: color-mix(in oklab, var(--accent) 75%, var(--border));
  box-shadow: 0 0 22px rgba(34,211,238,.25), 0 0 18px rgba(225,29,72,.25);
}

/* optionnel : label “LinkedIn / Email / CV” prend un léger gradient au hover */
#contact .contact-item:hover .contact-label,
#contact .contact-item:focus-within .contact-label{
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

#contact .contact-action:disabled{
  opacity:.75;
  cursor:default;
  transform:none !important;
  box-shadow:none !important;
}


/* --------------------------- Responsive ---------------------------------- */
@media (max-width:560px){
  #contact .contact-wrap{
    --panel-w: 100%;
    --wrap-pad-x: 12px;
    max-width: 100%;
    padding: 10px var(--wrap-pad-x) 12px;
    border-radius: 18px;
  }
  #contact .contact-panel{
    max-width: 100%;
    padding: 8px;
    border-radius: 16px;
  }
  #contact .contact-item{
    grid-template-columns: 14px 36px 1fr auto;
    gap: 10px;
    padding: 10px 6px;
  }
  #contact .contact-badge{ width:36px; height:36px; }
  #contact .contact-action{ padding:7px 10px; font-size:12.5px; }
  #contact .contact-foot{ max-width: 100%; }
}

/* ==========================================================================
   Effets / Accessibilité
   ========================================================================== */
.reveal{opacity:0; transform:translateY(12px); transition:opacity .35s ease, transform .35s ease}
.reveal.in-view{opacity:1; transform:translateY(0)}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .btn,.project-card{transition:none !important}
  .reveal{transition:none !important}
  .hero-particles{display:none}
  .scroll-down{animation:none}
}

/* ==========================================================================
   Responsive + ancrage
   ========================================================================== */
@media (max-width:960px){
  .hero{grid-template-columns:1fr; text-align:center; padding-top:100px}
  .nav-links{gap:12px}
}
@media (max-width:520px){
  :root{--header-h:52px}
  .navbar{padding:0 16px}
  .section{padding:44px 16px}
}

/* Ancrage → éviter le header */
section[id]{scroll-margin-top:calc(var(--header-h) + 8px)}



/* === Scroll-down bounce (perf friendly) ============================= */
.scroll-down{
  width:52px; height:52px; margin-top:10px;
  display:grid; place-items:center; border-radius:999px;
  border:1px solid color-mix(in oklab, var(--accent) 60%, transparent);
  background: var(--bg-elev);
  color:var(--text);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--accent) 45%, transparent) inset;
  transition: transform .12s ease, box-shadow .2s ease, opacity .2s ease;
  opacity:.95;

  /* L’animation bounce */
  animation: scrollBounce 1.8s ease-in-out infinite;
}

.scroll-down .icon{ width:22px; height:22px; opacity:.95 }

/* Effet hover classique */
.scroll-down:hover{
  transform:translateY(2px);
  box-shadow:var(--shadow-md);
  opacity:1;
}

/* Keyframes bounce */
@keyframes scrollBounce{
  0%,100%   { transform:translateY(0); }
  40%       { transform:translateY(6px); }
  60%       { transform:translateY(3px); }
}


/* ===================== Projet ===================== */

#projects .explorer.skill-theme{
  padding: 0;
  overflow: visible; /* laisse apparaître le halo standard des cartes */
}

:root.theme-animating,
:root.theme-animating *,
:root.theme-animating *::before,
:root.theme-animating *::after{
  transition:
    background-color .35s ease,
    color .35s ease,
    border-color .35s ease,
    box-shadow .35s ease,
    background .35s ease !important;
}

#projects .explorer .explorer-bar{
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,0));
}

#projects .explorer .explorer-note{
  font-size: 13.5px;
}
.explorer{ padding:0; overflow:hidden; }
.explorer-bar{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; padding:12px 14px; border-bottom:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
}
.explorer-path{ font-size:13.5px; color:var(--muted); display:flex; gap:6px; align-items:center; }
.explorer-path .crumb{ padding:2px 6px; border-radius:6px; background:rgba(255,255,255,.03); border:1px solid var(--border); }
.explorer-actions{ display:flex; gap:8px; }
.x-btn{
  padding:8px 10px; border-radius:10px; font-weight:700; font-size:12.5px;
  border:1px solid color-mix(in oklab, var(--accent) 45%, var(--border));
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0));
  color:var(--text); cursor:pointer; transition:transform .1s ease, box-shadow .2s ease, border-color .2s ease;
}
.x-btn:hover{ transform:translateY(-1px); box-shadow:var(--shadow-sm); border-color: color-mix(in oklab, var(--accent) 70%, var(--border)); }

.explorer-body{ display:grid; gap:10px; padding:10px 6px 14px; }
.explorer-note{ margin:2px 8px 6px; font-size:12.5px; color:var(--muted); }

/* Tree */
.tree{ list-style:none; margin:0; padding:4px 6px; }
.tree [role="group"]{ list-style:none; margin:0; padding:0 0 0 18px; }
.node-row{
  display:grid; grid-template-columns:18px 1fr auto; align-items:center; gap:8px;
  padding:8px 10px; border-radius:12px; position:relative; text-decoration:none; color:inherit;
  border:1px solid transparent;
  transition: transform .12s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
}
.tree-node > .node-row{ cursor:pointer; user-select:none; }
.tree .node-row:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
  border-color: color-mix(in oklab, var(--accent) 58%, var(--border));
  background: linear-gradient(120deg,
    color-mix(in oklab, var(--primary) 22%, transparent),
    color-mix(in oklab, var(--accent) 18%, transparent)
  );
}
.tree .node-row:hover .node-label,
.tree .node-row:hover .node-ico,
.tree .node-row:hover .node-meta{
  color: color-mix(in oklab, var(--text) 70%, var(--accent));
}
.tree [role="treeitem"]:focus{ outline:none; }
.tree [role="treeitem"].focus .node-row:not(:hover){ box-shadow:none; border-color:transparent; background:transparent; }

.node-ico{ width:18px; height:18px; opacity:.9; }
.node-label{ font-weight:700; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.node-fav-star{
  color:#facc15;
  margin-right:6px;
  text-shadow:0 0 8px rgba(250,204,21,.35);
}
.node-meta{ font-size:12px; color:var(--muted); margin-left:10px; }

.tree-node.is-folder > [role="group"]{ display:none; }
.tree-node.is-folder.is-open > [role="group"]{ display:block; }
.tree-node.is-folder > .node-row::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translate(-135%, -50%) rotate(0deg);
  width:0;
  height:0;
  border-top:5px solid transparent;
  border-bottom:5px solid transparent;
  border-left:7px solid color-mix(in oklab, var(--accent) 75%, var(--text));
  opacity:.95;
  transition: transform .14s ease;
}
.tree-node.is-folder.is-open > .node-row::before{ transform:translate(-135%, -50%) rotate(90deg); }

.tree-node.is-folder .node-row .icon use{ href:#ico-folder; }
.tree-node.is-folder.is-open .node-row .icon use{ href:#ico-folder-open; }

/* légère séparation entre dossiers de 1er niveau */
.tree > .tree-node + .tree-node{ margin-top:4px; }

/* responsive */
@media (max-width:560px){
  .explorer-bar{ padding:10px 10px; }
  .node-row{ padding:8px 8px; }
}




/* ===================== ABOUT : mêmes hauteurs colonnes ===================== */
.about-grid {
    align-items: stretch; /* force les deux colonnes à la même hauteur */
}

    .about-grid > * {
        height: 100%;
        min-height: 0; /* évite les débordements dans les grilles */
    }

/* Colonne de droite : la certif prend l’espace restant */
.about-right {
    display: grid;
    gap: 16px;
    height: 100%;
    min-height: 0;
    grid-template-rows: auto auto 1fr; /* Qui suis-je / tuiles / certif */
}

    /* La carte certif s’étire */
    .about-right .cert-card {
        height: 100%;
        min-height: 0;
    }

/* ---- Certif : layout stable, pas de débordement ---- */
.cert-main {
    display: grid;
    grid-template-columns: 220px 1fr; /* largeur zone image + texte */
    gap: 16px;
    align-items: center;
    height: 100%;
    min-height: 0;
}

.cert-visual {
    height: 100%;
    min-height: 140px;
    display: grid;
    place-items: center;
    overflow: hidden;
}

    .cert-visual img {
        max-width: 160px;
        max-height: 160px;
        width: auto;
        height: auto;
        object-fit: contain;
        display: block;
    }

/* Mobile */
@media (max-width:760px) {
    .cert-main {
        grid-template-columns: 1fr;
    }

    .cert-visual {
        min-height: 160px;
    }
}


/* ===================== PATCH: Mobile header usability ===================== */
@media (max-width:760px){
  :root{ --header-h: 98px; }

  .navbar{
    min-height: var(--header-h);
    padding: 8px 10px;
    display:grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "logo toggle"
      "links links";
    align-items:center;
    gap:8px 10px;
  }

  .logo{
    grid-area:logo;
    font-size:15px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }

  .theme-toggle{
    grid-area:toggle;
    justify-self:end;
    padding:7px 10px;
  }

  .nav-links{
    grid-area:links;
    width:100%;
    display:grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap:4px;
  }

  .nav-links a{
    justify-content:center;
    gap:5px;
    padding:7px 4px;
    font-size:12px;
    border-radius:10px;
    background:linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,0));
    border:1px solid color-mix(in oklab, var(--accent) 20%, var(--border));
  }

  .nav-links a .icon{ width:14px; height:14px; flex-basis:14px; }
}

@media (max-width:440px){
  .logo{ font-size:13px; }
  .nav-links a{ font-size:11px; padding:6px 2px; }
  .nav-links a span{ white-space:nowrap; }
}