:root{
  --bg:#0e1117; --surface:#121826; --text:#e7eaf3; --muted:#a7b1c2;
  --brand1:#7c3aed; --brand2:#22d3ee; --stroke:#242a38;
  --card:#141a2a; --chip:#1b2233; --shadow:0 10px 30px rgba(0,0,0,.35);
  --accent:#ff72d2;
}
html[data-theme="light"]{
  --bg:#f7f8fb; --surface:#ffffff; --text:#0f1222; --muted:#4b5568;
  --stroke:#e9eef5; --card:#ffffff; --chip:#eef2f9; --shadow:0 10px 26px rgba(0,0,0,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:radial-gradient(1200px 800px at 90% -5%, rgba(124,58,237,.14), transparent 60%), var(--bg); color:var(--text); font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; line-height:1.6}
.container{max-width:1160px;margin:0 auto;padding:0 1.2rem}
/* top bar */
.topbar{position:sticky;top:0;z-index:50;background:rgba(14,17,23,.7);backdrop-filter:blur(10px);border-bottom:1px solid var(--stroke)}
html[data-theme="light"] .topbar{background:rgba(255,255,255,.85)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:70px}
.brand{font-family:'Plus Jakarta Sans',Inter,sans-serif;font-weight:800;font-size:1.3rem;color:var(--text);text-decoration:none}
.brand span{background:linear-gradient(135deg,var(--brand1),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.links{display:flex;gap:1rem}
.links a{color:var(--muted);text-decoration:none;font-weight:600;padding:.4rem .6rem;border-radius:.6rem}
.links a:hover{background:rgba(255,255,255,.06);color:var(--text)}
.actions{display:flex;gap:.6rem;align-items:center}
.btn{padding:.7rem 1rem;border-radius:.8rem;border:1px solid var(--stroke);background:transparent;color:var(--text);font-weight:700}
.btn.primary{border:0;background:linear-gradient(135deg,var(--brand1),var(--brand2));color:#091018;box-shadow:0 12px 32px rgba(34,211,238,.28)}
.btn.ghost{background:transparent}
.btn.outline{background:transparent;border:1px solid var(--stroke)}
.btn {text-decoration: none;}
.toggle{width:40px;height:40px;border-radius:999px;border:1px solid var(--stroke);background:transparent}
.hamburger{display:none;border:1px solid var(--stroke);background:transparent;border-radius:.6rem;padding:.3rem}
.hamburger span{display:block;height:2px;background:var(--text);margin:6px 5px}
/* hero */
.hero{padding:64px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.eyebrow{letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:700}
h1{font-size:clamp(2.2rem,5vw,4rem);margin:.4rem 0 .6rem;font-family:'Plus Jakarta Sans',Inter,sans-serif}
.grad{background:linear-gradient(135deg,var(--brand1),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);font-size:1.1rem;max-width:60ch}
.cta{display:flex;gap:.6rem;margin:1rem 0 .6rem;flex-wrap:wrap}
.badges{list-style:none;display:flex;gap:.5rem;flex-wrap:wrap;padding:0;margin:0}
.badges li{background:var(--chip);border:1px solid var(--stroke);padding:.4rem .6rem;border-radius:999px;color:#c8d2e6}
.avatar-wrap{display:grid;place-items:center}
.avatar{width:min(420px,90%);aspect-ratio:1/1;border-radius:50%;border:6px solid rgba(124,58,237,.35);box-shadow:var(--shadow)}
/* sections */
.section{padding:72px 0}
.section.alt{background:linear-gradient(to bottom, rgba(255,255,255,.03), transparent);border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke)}
.section-head h2{font-size:2rem;margin:0 0 .4rem}
.section-head p{color:var(--muted);margin:0 0 1.2rem}
/* skills tabs */
.tabbar{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:12px}
.tabbar.small{margin-top:.2rem}
.tab{padding:.5rem 1rem;border:1px solid var(--stroke);border-radius:999px;background:transparent;color:var(--text);font-weight:700;cursor:pointer}
.tab.active{background:linear-gradient(135deg,var(--brand1),var(--brand2));color:#0b0f16;border-color:transparent}
.panels{margin-top:10px}
.panel{display:none}
.panel.show{display:block}
.grid-badges{display:grid;grid-template-columns:repeat(4,1fr);gap:.6rem;margin:.6rem 0}
.grid-badges span{background:var(--chip);border:1px solid var(--stroke);padding:.5rem .7rem;border-radius:.8rem;text-align:center}
.keypoints{list-style:disc;margin:.6rem 0 0 1.2rem;color:var(--muted);display:grid;gap:.2rem}
.certs{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.8rem}
.tag{padding:.45rem .7rem;border:1px solid var(--stroke);border-radius:999px;background:rgba(124,58,237,.12)}
/* career timeline */
.timelines{position:relative;margin-top:.4rem}
.timeline{display:none;border-left:2px solid rgba(124,58,237,.45);margin-left:.6rem;padding-left:1rem}
.timeline.show{display:block}
.tl-card{position:relative;background:var(--surface);border:1px solid var(--stroke);border-radius:1rem;padding:1rem;margin:1rem 0;box-shadow:var(--shadow)}
.tl-card .dot{position:absolute;left:-1.25rem;top:1rem;width:.9rem;height:.9rem;border-radius:999px;background:linear-gradient(135deg,var(--brand1),var(--brand2));box-shadow:0 0 0 6px rgba(124,58,237,.15)}
/* projects */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.card.p{background:var(--surface);border:1px solid var(--stroke);border-radius:1rem;padding:1rem;box-shadow:var(--shadow);transition:transform .2s ease}
.card.p:hover{transform:translateY(-2px)}
.tags{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.4rem}
.tags span{background:var(--chip);border:1px solid var(--stroke);padding:.3rem .55rem;border-radius:999px;color:#cbd3e8}
/* contact */
.contact-form{background:var(--surface);border:1px solid var(--stroke);border-radius:1rem;padding:1rem;box-shadow:var(--shadow)}
.contact-form label{display:grid;gap:.4rem;margin:.4rem 0;color:var(--text)}
.contact-form input,.contact-form textarea{border:1px solid var(--stroke);border-radius:.8rem;padding:.8rem .9rem;background:var(--card);color:var(--text)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
/* footer */
.footer{border-top:1px solid var(--stroke);padding:24px 0}
.footer .f{display:flex;justify-content:space-between;align-items:center;color:var(--muted)}
/* responsive */
@media (max-width: 980px){
  .links{display:none}
  .hamburger{display:block}
  .hero-grid{grid-template-columns:1fr}
  .grid-badges{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .grid2{grid-template-columns:1fr}
}
@media (max-width: 560px){
  .grid-badges{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
}
/* === Certifications (sous Compétences) === */
.certs-wrap { margin-top: 2.5rem; }
.certs-title {
  font-size: clamp(1.25rem, 1.1vw + 1rem, 1.6rem);
  font-weight: 700;
  margin: 0 0 1rem;
}

.cert-grid{
  --card-bg: var(--card, rgba(255,255,255,0.6));
  --card-border: var(--border, rgba(0,0,0,.08));
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.cert-card{
  display:grid;
  grid-template-columns: 48px 1fr auto;
  align-items:center;
  gap: 14px;
  padding:14px 16px;
  border-radius:16px;
  background:var(--card-bg);
  border:1px solid var(--card-border);
  box-shadow: 0 4px 14px rgba(0,0,0,.06);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.cert-card:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(0,0,0,.12);
  border-color: rgba(112, 104, 255, .35);
}

.cert-logo{
  width:48px; height:48px; object-fit:contain;
  filter: var(--logo-filter, none);
}

.cert-meta .cert-name{ font-weight:700; margin:0 0 2px; }
.cert-meta .cert-sub{ margin:0; opacity:.8; font-size:.92rem; }

.badge{
  display:inline-flex; align-items:center; gap:.45rem;
  font-size:.85rem; font-weight:700; white-space:nowrap;
  padding:6px 10px; border-radius:999px; user-select:none;
  border:1px solid transparent;
}
.badge .i{ width:18px; height:18px; fill:currentColor; }

.badge-obtained{ color:#0f5132; background:#d1f4e0; border-color:#a4e5c1; }
.badge-progress{ color:#664d03; background:#fff3cd; border-color:#ffe69c; }
.badge-planned{  color:#0b5ed7; background:#dce9ff; border-color:#bcd3ff; }

/* états pour le contraste des thèmes */
:root[data-theme='dark'] .cert-card{
  --card-bg: rgba(255,255,255,.06);
  --card-border: rgba(255,255,255,.1);
  --logo-filter: none; /* mets "invert(1) hue-rotate(180deg)" si tes logos sont sombres */
}
/* Lisibilité des panels de compétences */
.panels .panel .keypoints{
  margin: 12px 0 0;
  padding-left: 1.1rem;
}
.panels .panel .keypoints li{
  margin: 6px 0;
  line-height: 1.35;
}
.grid-badges{
  gap: 8px;
}
.grid-badges span{
  padding:6px 10px;
  border-radius:10px;
  background: var(--chip, rgba(0,0,0,.06));
  border:1px solid var(--chip-b, rgba(0,0,0,.08));
}
:root[data-theme='dark'] .grid-badges span{
  --chip: rgba(255,255,255,.08);
  --chip-b: rgba(255,255,255,.12);
}
.cert-link {
  display: contents; /* garde la grille du li */
  color: inherit;
  text-decoration: none;
}

.cert-link:hover .cert-name {
  text-decoration: underline;
}
.footer .social-links a {
  margin-left: 0.8rem;
  color: var(--text); /* ou une couleur de ton thème */
  transition: color 0.3s ease;
}

.footer .social-links a:hover {
  color: var(--primary); /* couleur au survol */
}


/* Cartes de compétences */
.skill-cards{
  display:grid;
  gap:1.1rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.skill-card{
  position:relative;
  background: var(--card, rgba(255,255,255,.06));
  border: 1px solid var(--stroke, rgba(255,255,255,.12));
  border-radius: 18px;
  padding: 1.1rem 1.2rem 1.2rem;
  box-shadow: 0 10px 24px -18px rgba(0,0,0,.6);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.skill-card:hover{
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -22px rgba(0,0,0,.65);
  border-color: rgba(124,58,237,.35); /* violet doux au survol */
}

.skill-icon{
  width:48px;height:48px; border-radius:999px;
  display:grid;place-items:center;
  font-size:1.2rem;
  color:#0b1020;
  background: linear-gradient(135deg, #7b2ff7, #00c6ff);
  /* anneau léger */
  box-shadow: inset 0 0 0 6px rgba(255,255,255,.35);
  margin-bottom:.8rem;
}

.skill-title{
  margin:.1rem 0 .35rem;
  font-weight:800;
  font-size: clamp(1rem, .5vw + .9rem, 1.15rem);
}

.skill-text{
  margin:0;
  color: var(--muted, #9aa7bc);
  line-height:1.45;
}

/* Light mode */
:root[data-theme="light"] .skill-card{
  background:#fff;
  border-color: rgba(17,24,39,.08);
  box-shadow: 0 8px 26px rgba(2,8,23,.06);
}
.tabbar.small button {
  font-size: 1.1rem; /* Augmente la taille */
  font-weight: 500;  /* (Optionnel) Rend le texte plus épais */
}