:root{
  --bg:#0b1220;
  --surface:#101b2d;
  --surface-2:#14233a;
  --border:#1e2e48;
  --text:#e7edf6;
  --text-muted:#8fa0ba;
  --cyan:#22d3ee;
  --green:#34d399;
  --amber:#f5a623;
  --radius:10px;
  --maxw:1120px;
  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'JetBrains Mono', monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.6;
  background-image:
    radial-gradient(circle at 15% 0%, rgba(34,211,238,0.07), transparent 45%),
    radial-gradient(circle at 85% 15%, rgba(52,211,153,0.05), transparent 40%);
}
img{max-width:100%; display:block;}
a{color:inherit;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px;}
.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--cyan);
  display:flex; align-items:center; gap:8px;
  margin:0 0 14px;
}
.eyebrow::before{content:"//"; color:var(--text-muted);}
h1,h2,h3,h4{font-family:var(--font-display); margin:0; font-weight:600; letter-spacing:-.01em;}
h2{font-size:clamp(24px,3vw,32px);}
.section-head{max-width:640px; margin-bottom:40px;}
.section-head p{color:var(--text-muted); margin:10px 0 0; font-size:15.5px;}
section{padding:88px 0;}
section + section{border-top:1px solid var(--border);}
.page-head{padding:64px 0 20px;}
.btn{
  font-family:var(--font-mono);
  font-size:13.5px;
  display:inline-flex; align-items:center; gap:8px;
  padding:11px 20px;
  border-radius:6px;
  border:1px solid var(--border);
  text-decoration:none;
  transition:border-color .15s ease, transform .15s ease, background .15s ease;
}
.btn-primary{background:var(--cyan); color:#04141c; border-color:var(--cyan); font-weight:600;}
.btn-primary:hover{transform:translateY(-1px); background:#3fe0f7;}
.btn-ghost{color:var(--text); border-color:var(--border);}
.btn-ghost:hover{border-color:var(--cyan); color:var(--cyan);}

/* ---------- Header / status bar ---------- */
.statusbar{
  font-family:var(--font-mono); font-size:12px; color:var(--text-muted);
  background:#080e18; border-bottom:1px solid var(--border);
}
.statusbar .wrap{display:flex; justify-content:space-between; align-items:center; padding:8px 24px; flex-wrap:wrap; gap:6px;}
.dot{width:7px; height:7px; border-radius:50%; background:var(--green); display:inline-block; box-shadow:0 0 8px rgba(52,211,153,.7);}
.statusbar .status-item{display:flex; align-items:center; gap:6px;}

header.nav{
  position:sticky; top:0; z-index:20;
  background:rgba(11,18,32,0.85); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
header.nav .wrap{display:flex; align-items:center; justify-content:space-between; padding:16px 24px;}
.logo{font-family:var(--font-display); font-weight:700; font-size:18px; text-decoration:none;}
.logo span{color:var(--cyan);}
nav ul{list-style:none; display:flex; gap:28px; margin:0; padding:0;}
nav a{font-size:14px; text-decoration:none; color:var(--text-muted); transition:color .15s;}
nav a:hover{color:var(--text);}
nav a.active{color:var(--cyan);}
.nav-toggle{display:none; background:none; border:1px solid var(--border); border-radius:6px; color:var(--text); width:38px; height:38px; cursor:pointer;}

/* ---------- Availability badge ---------- */
.avail-badge{
  display:inline-flex; align-items:center; gap:8px;
  padding:7px 16px; margin-bottom:22px;
  border:1px solid rgba(52,211,153,.3); background:rgba(52,211,153,.08);
  border-radius:999px; font-family:var(--font-mono); font-size:12.5px; color:var(--green);
}

/* ---------- Hero ---------- */
.hero{padding:70px 0 100px; border-top:none;}
.hero .wrap{display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px; align-items:center;}
.hero h1{font-size:clamp(34px,5vw,52px); line-height:1.08;}
.hero h1 .accent{color:var(--cyan);}
.hero .lede{color:var(--text-muted); font-size:17px; max-width:480px; margin:20px 0 32px;}
.hero .cta-row{display:flex; gap:14px; flex-wrap:wrap;}

.terminal{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  box-shadow:0 30px 60px -30px rgba(0,0,0,0.6);
  overflow:hidden;
}
.terminal .bar{
  display:flex; align-items:center; gap:8px; padding:11px 14px;
  background:var(--surface-2); border-bottom:1px solid var(--border);
}
.terminal .bar span{width:10px; height:10px; border-radius:50%; background:#33415a;}
.terminal .bar .title{margin-left:8px; font-family:var(--font-mono); font-size:12px; color:var(--text-muted);}
.terminal .body{padding:20px; font-family:var(--font-mono); font-size:13.5px; min-height:230px;}
.terminal .line{margin:0 0 10px; color:var(--text-muted);}
.terminal .line .prompt{color:var(--green); margin-right:8px;}
.terminal .line .out{color:var(--text);}
.terminal .cursor{display:inline-block; width:7px; height:14px; background:var(--cyan); margin-left:2px; animation:blink 1s steps(1) infinite; vertical-align:middle;}
@keyframes blink{50%{opacity:0;}}

/* ---------- About ---------- */
.about-grid{display:grid; grid-template-columns:1.3fr 0.9fr; gap:48px; align-items:start;}
.about-grid p{color:var(--text-muted); font-size:15.5px;}
.info-card{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:22px;}
.info-card .row{display:flex; justify-content:space-between; padding:11px 0; border-bottom:1px solid var(--border); font-size:14px;}
.info-card .row:last-child{border-bottom:none;}
.info-card .row span:first-child{color:var(--text-muted); font-family:var(--font-mono); font-size:12.5px;}
.info-card .row span:last-child{text-align:right; font-weight:500;}

/* ---------- Portfolio nav cards (homepage) ---------- */
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:20px;}
.nav-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:26px; text-decoration:none; color:var(--text);
  display:flex; flex-direction:column; gap:10px;
  transition:border-color .15s, transform .15s;
}
.nav-card:hover{border-color:var(--cyan); transform:translateY(-2px);}
.nav-card .tag{font-family:var(--font-mono); font-size:11px; color:var(--cyan);}
.nav-card h4{font-size:18px;}
.nav-card p{margin:0; color:var(--text-muted); font-size:14px;}
.nav-card .go{margin-top:auto; font-family:var(--font-mono); font-size:12.5px; color:var(--text-muted); padding-top:6px;}
.nav-card:hover .go{color:var(--cyan);}

/* ---------- Timeline (Parcours / Expérience) ---------- */
.timeline{position:relative; max-width:760px;}
.timeline::before{
  content:""; position:absolute; left:19px; top:8px; bottom:8px; width:1px;
  background:var(--border);
}
.tl-item{position:relative; display:flex; gap:24px; padding-bottom:36px;}
.tl-item:last-child{padding-bottom:0;}
.tl-marker{
  position:relative; z-index:1; flex-shrink:0;
  width:40px; height:40px; border-radius:50%;
  background:var(--surface); border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
}
.tl-marker svg{width:18px; height:18px; stroke:var(--text-muted); fill:none; stroke-width:1.8;}
.tl-item.current .tl-marker{border-color:var(--green);}
.tl-item.current .tl-marker svg{stroke:var(--green);}
.tl-content{
  flex:1; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:18px 22px;
}
.tl-item.current .tl-content{border-color:rgba(52,211,153,.35);}
.tl-content .tl-year{
  font-family:var(--font-mono); font-size:12px; color:var(--cyan);
  letter-spacing:.04em; margin-bottom:6px; display:block;
}
.tl-content h4{font-size:16.5px; margin-bottom:4px;}
.tl-content p{margin:0; color:var(--text-muted); font-size:14px;}
.tl-content .badge{
  display:inline-flex; align-items:center; gap:6px; margin-top:10px;
  font-family:var(--font-mono); font-size:11.5px; color:var(--green);
}
.tl-content .badge.stage{color:var(--amber);}
.tl-content ul{margin:10px 0 0; padding-left:18px; color:var(--text-muted); font-size:13.5px;}
.tl-content ul li{margin-bottom:5px;}
.tl-content ul li:last-child{margin-bottom:0;}

/* ---------- Skills ---------- */
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
.skill-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:24px; transition:border-color .15s, transform .15s;
}
.skill-card:hover{border-color:var(--cyan); transform:translateY(-2px);}
.skill-icon{
  width:42px; height:42px; border-radius:8px; background:var(--surface-2);
  display:flex; align-items:center; justify-content:center; margin-bottom:16px;
  border:1px solid var(--border);
}
.skill-icon svg{width:22px; height:22px; stroke:var(--cyan); fill:none; stroke-width:1.7;}
.skill-card h4{font-size:16px; margin-bottom:8px;}
.skill-card p{margin:0; color:var(--text-muted); font-size:13.5px; font-family:var(--font-mono);}

/* ---------- Documents / certifications ---------- */
.doc-list{border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; background:var(--surface);}
.doc-row{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 20px; text-decoration:none; color:var(--text);
  border-bottom:1px solid var(--border);
  font-size:14.5px;
}
.doc-row:last-child{border-bottom:none;}
.doc-row:hover{background:var(--surface-2);}
.doc-row .left{display:flex; align-items:center; gap:14px;}
.doc-row .perm{font-family:var(--font-mono); font-size:11.5px; color:var(--text-muted);}
.doc-row .dl-icon{color:var(--cyan); font-family:var(--font-mono); font-size:12px;}

/* ---------- Contact ---------- */
.contact-card{max-width:560px; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:8px 24px;}
.contact-row{display:flex; align-items:center; gap:16px; padding:18px 0; border-bottom:1px solid var(--border);}
.contact-row:last-child{border-bottom:none;}
.contact-row .icon{
  width:38px; height:38px; border-radius:8px; background:var(--surface-2);
  border:1px solid var(--border); display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.contact-row .icon svg{width:18px; height:18px; stroke:var(--cyan); fill:none; stroke-width:1.8;}
.contact-row .label{font-family:var(--font-mono); font-size:11px; color:var(--text-muted); text-transform:uppercase; letter-spacing:.05em; margin-bottom:3px;}
.contact-row .value{font-size:15px; font-weight:500;}
.contact-row a.value{text-decoration:none;}
.contact-row a.value:hover{color:var(--cyan);}

/* ---------- Footer ---------- */
footer{padding:40px 0; border-top:1px solid var(--border);}
footer .wrap{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px;}
footer .sig{font-family:var(--font-mono); font-size:12.5px; color:var(--text-muted); display:flex; align-items:center; gap:8px;}
footer .links a{text-decoration:none; font-size:13.5px; color:var(--text-muted); margin-left:20px;}
footer .links a:hover{color:var(--cyan);}

@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr; gap:40px;}
  .about-grid{grid-template-columns:1fr;}
  .grid-3, .grid-2{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  nav{position:fixed; top:57px; left:0; right:0; background:var(--bg); border-bottom:1px solid var(--border); padding:10px 24px; display:none;}
  nav.open{display:block;}
  nav ul{flex-direction:column; gap:0;}
  nav ul li{border-bottom:1px solid var(--border);}
  nav ul li a{display:block; padding:14px 0;}
  .nav-toggle{display:block;}
  .grid-3, .grid-2{grid-template-columns:1fr;}
  section{padding:56px 0;}
  .statusbar .wrap{font-size:10.5px;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .cursor{animation:none;}
}