/* =============================================================
   slaskibert.fr — portfolio
   Design system: dark "ink" base, Bricolage Grotesque (display)
   + IBM Plex Sans/Mono, magma accent. Signature = Dixon-Coles
   score-probability heatmap (rendered in js/main.js).
   Structure:  tokens · base · nav · hero · model · sections
               · about · projects · experience · academic
               · stack · contact · footer · a11y
   ============================================================= */

:root{
  --ink:#0A0C12;
  --ink-2:#0D1018;
  --panel:#12151F;
  --panel-2:#171B26;
  --line:#232838;
  --line-2:#2E3446;
  --text:#EAECF2;
  --text-2:#A7AEC0;
  --muted:#6E7689;
  --accent:#F2B44C;
  --accent-d:#D9992F;
  --rose:#C8446B;
  --maxw:1120px;
  --pad:clamp(1.15rem,4vw,2.5rem);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} }

body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:"IBM Plex Sans",system-ui,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

/* subtle grain / vignette so the dark isn't flat */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(120% 80% at 78% -10%, rgba(242,180,76,0.07), transparent 55%),
    radial-gradient(90% 70% at 0% 100%, rgba(200,68,107,0.06), transparent 60%);
}

a{color:inherit;text-decoration:none;}
::selection{background:var(--accent);color:var(--ink);}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:2px;
}

.wrap{
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--pad);
  position:relative;
  z-index:1;
}

.mono{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  text-transform:uppercase;
  letter-spacing:0.09em;
  font-size:0.72rem;
  color:var(--muted);
}

/* ---------- NAV ---------- */
header.nav{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter:blur(10px);
  background:rgba(10,12,18,0.72);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--maxw);
  margin-inline:auto;
  padding:0.85rem var(--pad);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}
.wordmark{
  font-family:"IBM Plex Mono",monospace;
  font-size:0.82rem;
  letter-spacing:0.12em;
  color:var(--text);
}
.wordmark b{color:var(--accent);font-weight:500;}
.nav-links{display:flex;gap:1.6rem;align-items:center;}
.nav-links a{
  font-family:"IBM Plex Mono",monospace;
  font-size:0.74rem;
  letter-spacing:0.06em;
  color:var(--text-2);
  transition:color .18s ease;
}
.nav-links a:hover{color:var(--accent);}
@media (max-width:640px){ .nav-links a.hide-sm{display:none;} }

/* ---------- HERO ---------- */
.hero{padding:clamp(2.5rem,7vw,5.5rem) 0 clamp(2.5rem,6vw,4rem);}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr 0.95fr;
  gap:clamp(1.5rem,5vw,3.5rem);
  align-items:center;
}
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:2.5rem;}
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:0.55rem;
  padding:0.4rem 0.85rem;
  border:1px solid var(--line-2);
  border-radius:999px;
  background:var(--panel);
  font-family:"IBM Plex Mono",monospace;
  font-size:0.68rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--text-2);
  margin-bottom:1.6rem;
}
.dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 0 rgba(242,180,76,0.5);
  animation:pulse 2.6s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(242,180,76,0.45);}
  70%{box-shadow:0 0 0 7px rgba(242,180,76,0);}
  100%{box-shadow:0 0 0 0 rgba(242,180,76,0);}
}
@media (prefers-reduced-motion: reduce){ .dot{animation:none;} }

.eyebrow{
  font-family:"IBM Plex Mono",monospace;
  text-transform:uppercase;
  letter-spacing:0.16em;
  font-size:0.74rem;
  color:var(--accent);
  margin:0 0 1rem;
}
h1.name{
  font-family:"Bricolage Grotesque",sans-serif;
  font-weight:700;
  font-size:clamp(2.7rem,7.5vw,5.1rem);
  line-height:0.97;
  letter-spacing:-0.02em;
  margin:0 0 1.3rem;
}
.lead{
  font-size:clamp(1.05rem,2.1vw,1.28rem);
  color:var(--text-2);
  max-width:34ch;
  margin:0 0 1.9rem;
  line-height:1.55;
}
.lead strong{color:var(--text);font-weight:600;}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  gap:0.5rem 1.4rem;
  margin-bottom:2rem;
}
.meta-row span{
  font-family:"IBM Plex Mono",monospace;
  font-size:0.74rem;
  letter-spacing:0.04em;
  color:var(--muted);
}
.meta-row span::before{content:"› ";color:var(--accent-d);}

.cta-row{display:flex;flex-wrap:wrap;gap:0.75rem;}
.btn{
  display:inline-flex;
  align-items:center;
  gap:0.5rem;
  padding:0.7rem 1.3rem;
  border-radius:8px;
  font-family:"IBM Plex Mono",monospace;
  font-size:0.78rem;
  letter-spacing:0.05em;
  transition:transform .16s ease, background .18s ease, border-color .18s ease;
}
.btn-primary{
  background:var(--accent);
  color:var(--ink);
  font-weight:500;
}
.btn-primary:hover{background:var(--accent-d);transform:translateY(-2px);}
.btn-ghost{
  border:1px solid var(--line-2);
  color:var(--text);
  background:var(--panel);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}

/* ---------- PROBABILITY GRID (signature) ---------- */
.model{
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);
  border-radius:14px;
  padding:clamp(1rem,3vw,1.5rem);
  box-shadow:0 24px 60px -30px rgba(0,0,0,0.8);
}
.model-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:0.5rem;
  margin-bottom:1.1rem;
}
.model-head .t{
  font-family:"IBM Plex Mono",monospace;
  font-size:0.72rem;
  letter-spacing:0.08em;
  color:var(--text-2);
  text-transform:uppercase;
}
.model-head .t b{color:var(--accent);font-weight:500;}
.model-head .peak{
  font-family:"IBM Plex Mono",monospace;
  font-size:0.7rem;
  color:var(--muted);
}

.matrix{
  display:grid;
  grid-template-columns:1.4rem repeat(6,1fr);
  gap:3px;
}
.cellhead{
  font-family:"IBM Plex Mono",monospace;
  font-size:0.66rem;
  color:var(--muted);
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:1.2rem;
}
.cell{
  aspect-ratio:1/1;
  border-radius:4px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:"IBM Plex Mono",monospace;
  font-size:clamp(0.5rem,1.5vw,0.66rem);
  color:var(--text);
  position:relative;
  opacity:0;
  transform:translateY(5px) scale(0.94);
  transition:opacity .5s ease, transform .5s ease;
}
.cell.in{opacity:1;transform:none;}
.cell.peak{
  box-shadow:0 0 0 1.5px var(--accent), 0 0 14px -2px var(--accent);
  animation:peakGlow 3s ease-in-out infinite;
}
@keyframes peakGlow{
  0%,100%{box-shadow:0 0 0 1.5px var(--accent),0 0 10px -3px var(--accent);}
  50%{box-shadow:0 0 0 1.5px var(--accent),0 0 20px 0px var(--accent);}
}
@media (prefers-reduced-motion: reduce){
  .cell{opacity:1;transform:none;transition:none;}
  .cell.peak{animation:none;}
}
.axis-x{
  text-align:center;
  margin-top:0.9rem;
}
.axis-note{
  margin-top:0.75rem;
  font-family:"IBM Plex Mono",monospace;
  font-size:0.66rem;
  color:var(--muted);
  line-height:1.5;
}
.axis-note b{color:var(--text-2);font-weight:500;}

/* ---------- SECTIONS ---------- */
section{padding:clamp(3rem,7vw,5.5rem) 0;position:relative;}
.band{background:var(--ink-2);border-block:1px solid var(--line);}

.sec-label{
  display:flex;
  align-items:center;
  gap:0.8rem;
  margin-bottom:2.2rem;
}
.sec-label .bar{width:26px;height:2px;background:var(--accent);}
h2{
  font-family:"Bricolage Grotesque",sans-serif;
  font-weight:700;
  font-size:clamp(1.75rem,4.2vw,2.6rem);
  letter-spacing:-0.015em;
  margin:0;
  line-height:1.05;
}

.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
}

/* about */
.about-body{
  max-width:60ch;
  font-size:1.06rem;
  color:var(--text-2);
}
.about-body p{margin:0 0 1.1rem;}
.about-body strong{color:var(--text);font-weight:600;}

/* projects */
.cards{display:grid;gap:1.1rem;}
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:12px;
  padding:clamp(1.3rem,3.5vw,2rem);
  transition:border-color .2s ease, transform .2s ease, background .2s ease;
}
.card:hover{
  border-color:var(--line-2);
  background:var(--panel-2);
  transform:translateY(-3px);
}
.card-top{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:0.6rem 1rem;
  margin-bottom:0.9rem;
}
.tag{
  font-family:"IBM Plex Mono",monospace;
  font-size:0.66rem;
  letter-spacing:0.11em;
  text-transform:uppercase;
  color:var(--accent);
  border:1px solid rgba(242,180,76,0.28);
  background:rgba(242,180,76,0.06);
  padding:0.28rem 0.6rem;
  border-radius:5px;
}
.links{display:flex;gap:1.1rem;flex-wrap:wrap;}
.links a, .status{
  font-family:"IBM Plex Mono",monospace;
  font-size:0.72rem;
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  gap:0.4rem;
}
.links a{transition:color .16s ease;}
.links a:hover{color:var(--accent);}
.links a .arw{color:var(--muted);transition:transform .16s ease;}
.links a:hover .arw{transform:translateX(2px);color:var(--accent);}
.status .live{width:7px;height:7px;border-radius:50%;background:#5FD08A;box-shadow:0 0 8px #5FD08A;}
.status.live-txt{color:#8fe0ac;}

.card h3{
  font-family:"Bricolage Grotesque",sans-serif;
  font-weight:600;
  font-size:clamp(1.3rem,3vw,1.6rem);
  letter-spacing:-0.01em;
  margin:0 0 0.7rem;
}
.card p{margin:0 0 1.1rem;color:var(--text-2);max-width:68ch;}
.chips{display:flex;flex-wrap:wrap;gap:0.45rem;margin-bottom:0.9rem;}
.chip{
  font-family:"IBM Plex Mono",monospace;
  font-size:0.68rem;
  color:var(--text-2);
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:5px;
  padding:0.26rem 0.55rem;
}
.metrics{
  display:flex;
  flex-wrap:wrap;
  gap:0.9rem 1.4rem;
  padding-top:0.9rem;
  border-top:1px solid var(--line);
}
.metric{display:flex;flex-direction:column;gap:0.1rem;}
.metric .v{
  font-family:"Bricolage Grotesque",sans-serif;
  font-weight:700;
  font-size:1.15rem;
  color:var(--text);
  line-height:1;
}
.metric .k{
  font-family:"IBM Plex Mono",monospace;
  font-size:0.63rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--muted);
}

/* stack */
.stack-rows{display:grid;gap:0;}
.srow{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:1rem 2rem;
  padding:1.15rem 0;
  border-top:1px solid var(--line);
}
.srow:last-child{border-bottom:1px solid var(--line);}
@media (max-width:600px){ .srow{grid-template-columns:1fr;gap:0.5rem;} }
.srow .lab{
  font-family:"IBM Plex Mono",monospace;
  font-size:0.78rem;
  letter-spacing:0.05em;
  color:var(--accent);
  text-transform:uppercase;
  padding-top:0.15rem;
}
.srow .items{
  display:flex;
  flex-wrap:wrap;
  gap:0.45rem 0.5rem;
}
.srow .items span{
  font-size:0.92rem;
  color:var(--text-2);
}
.srow .items span:not(:last-child)::after{
  content:"·";
  color:var(--line-2);
  margin-left:0.5rem;
}

/* contact */
.contact-lead{
  font-family:"Bricolage Grotesque",sans-serif;
  font-weight:600;
  font-size:clamp(1.4rem,3.4vw,2rem);
  letter-spacing:-0.01em;
  line-height:1.25;
  max-width:24ch;
  margin:0 0 1.4rem;
}
.contact-sub{color:var(--text-2);max-width:52ch;margin:0 0 2rem;}
.contact-links{display:flex;flex-wrap:wrap;gap:0.8rem;}
.clink{
  display:inline-flex;
  align-items:center;
  gap:0.55rem;
  padding:0.8rem 1.3rem;
  border:1px solid var(--line-2);
  border-radius:8px;
  background:var(--panel);
  font-family:"IBM Plex Mono",monospace;
  font-size:0.8rem;
  color:var(--text);
  transition:border-color .18s ease, color .18s ease, transform .16s ease;
}
.clink:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.clink svg{width:16px;height:16px;flex:none;}

/* footer */
footer{
  border-top:1px solid var(--line);
  padding:2.2rem 0 2.6rem;
}
.foot-inner{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:0.8rem 2rem;
  align-items:center;
}
.foot-note{
  font-family:"IBM Plex Mono",monospace;
  font-size:0.7rem;
  color:var(--muted);
  line-height:1.6;
  max-width:60ch;
}
.foot-note b{color:var(--text-2);font-weight:500;}
.foot-copy{
  font-family:"IBM Plex Mono",monospace;
  font-size:0.7rem;
  color:var(--muted);
}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ---------- EXPERIENCE ---------- */
.role-meta{
  display:flex;
  flex-wrap:wrap;
  gap:0.25rem 1.1rem;
  margin:0 0 1rem;
}
.role-meta span{
  font-family:"IBM Plex Mono",monospace;
  font-size:0.72rem;
  letter-spacing:0.04em;
  color:var(--muted);
}
.role-meta .company{color:var(--text-2);}
.role-meta .company b{color:var(--accent);font-weight:500;}

/* ---------- ACADEMIC / FORMATION ---------- */
.formation-line{
  color:var(--text-2);
  max-width:72ch;
  margin:0 0 2.2rem;
  font-size:1.02rem;
  line-height:1.6;
}
.formation-line strong{color:var(--text);font-weight:600;}

.acad-list{display:grid;gap:0;}
.acad{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:0.3rem 1.3rem;
  padding:1.15rem 0;
  border-top:1px solid var(--line);
}
.acad:last-child{border-bottom:1px solid var(--line);}
@media (max-width:640px){ .acad{grid-template-columns:1fr;gap:0.45rem;} }
.acad .uv{
  font-family:"IBM Plex Mono",monospace;
  font-size:0.72rem;
  letter-spacing:0.06em;
  color:var(--accent);
  text-transform:uppercase;
  padding-top:0.2rem;
  white-space:nowrap;
}
.acad .body h4{
  font-family:"Bricolage Grotesque",sans-serif;
  font-weight:600;
  font-size:1.06rem;
  letter-spacing:-0.005em;
  color:var(--text);
  margin:0 0 0.35rem;
}
.acad .body p{
  margin:0 0 0.6rem;
  color:var(--text-2);
  font-size:0.95rem;
  max-width:76ch;
}
.acad .body .chips{margin-bottom:0;}
.acad .body .chip{font-size:0.64rem;}