/* ═══════════════════════════════════════════════════════════
   Narcisse Mamboundou — Portfolio Data Engineer
   Palette : navy profond · teal signal · cuivre données
   ═══════════════════════════════════════════════════════════ */
:root{
  --bg:7 13 26; --fg:248 250 252; --card:15 23 42; --muted:148 163 184;
  --border:30 41 59; --primary:72 132 157; --primary-light:111 167 191;
  --accent:209 134 92; --accent-light:229 169 135; --signal:61 220 132;
  --radius:1rem; --ease:cubic-bezier(.2,.7,.2,1); --ease-out:cubic-bezier(.16,1,.3,1);
}
.light{
  --bg:247 249 252; --fg:15 23 42; --card:255 255 255; --muted:100 116 139;
  --border:226 232 240; --primary:62 118 142; --primary-light:72 132 157; --accent:200 120 78;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:rgb(var(--bg));color:rgb(var(--fg));
  font-family:Inter,system-ui,sans-serif;font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;transition:background .4s var(--ease),color .4s var(--ease);
  overflow-x:hidden;}
h1,h2,h3,h4{font-family:"Space Grotesk",sans-serif;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px;}
::selection{background:rgb(var(--accent)/.35);}

/* ── Preloader terminal ─────────────────────────────────── */
#boot{position:fixed;inset:0;z-index:200;background:rgb(7 13 26);display:grid;place-items:center;
  transition:opacity .5s var(--ease),visibility .5s;}
#boot.done{opacity:0;visibility:hidden;}
.boot-inner{width:min(440px,86vw);}
#boot-log{font-family:"JetBrains Mono",monospace;font-size:13px;line-height:1.9;color:rgb(148 163 184);
  margin:0 0 18px;min-height:118px;white-space:pre-wrap;}
#boot-log .ok{color:#3ddc84;}
#boot-log .key{color:rgb(111 167 191);}
.boot-bar{height:3px;border-radius:3px;background:rgb(30 41 59);overflow:hidden;}
#boot-fill{display:block;height:100%;width:0;background:linear-gradient(90deg,rgb(72 132 157),rgb(209 134 92));
  transition:width .25s var(--ease);}

/* ── Barre de scroll "pipeline" ─────────────────────────── */
.scroll-pipe{position:fixed;top:0;left:0;right:0;height:3px;z-index:120;background:rgb(var(--border)/.4);pointer-events:none;}
#pipe-fill{position:absolute;inset:0 auto 0 0;width:0;background:linear-gradient(90deg,rgb(var(--primary)),rgb(var(--accent)));}
#pipe-head{position:absolute;top:50%;left:0;width:9px;height:9px;border-radius:50%;transform:translate(-50%,-50%);
  background:rgb(var(--accent-light));box-shadow:0 0 10px 2px rgb(var(--accent)/.8);}

/* ── Fond atmosphérique ─────────────────────────────────── */
.bg-fx{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden;}
.grid-pattern{position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(to right,rgb(var(--primary)/.05) 1px,transparent 1px),
                   linear-gradient(to bottom,rgb(var(--primary)/.05) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 40%,transparent 100%);
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 40%,transparent 100%);}
.glow{position:absolute;border-radius:50%;filter:blur(110px);opacity:.5;}
.glow.p{width:520px;height:520px;background:rgb(var(--primary)/.45);top:-160px;left:-120px;}
.glow.a{width:460px;height:460px;background:rgb(var(--accent)/.4);bottom:-180px;right:-120px;}
.light .glow{opacity:.28;}

.text-grad{background-image:linear-gradient(90deg,rgb(var(--primary-light)),rgb(var(--accent)));
  -webkit-background-clip:text;background-clip:text;color:transparent;}
.eyebrow{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:rgb(var(--accent));display:inline-flex;align-items:center;gap:10px;}
.eyebrow::before{content:"";width:24px;height:1px;background:rgb(var(--accent));display:inline-block;}

/* ── Cartes glass + glow curseur ────────────────────────── */
.glass-card{position:relative;border-radius:var(--radius);border:1px solid rgb(var(--border)/.8);
  background:rgb(var(--card)/.5);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:0 20px 40px -24px rgba(0,0,0,.5);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  --mx:50%;--my:50%;}
.glass-card::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(420px circle at var(--mx) var(--my),rgb(var(--primary-light)/.10),transparent 45%);
  opacity:0;transition:opacity .35s var(--ease);}
.glass-card:hover{box-shadow:0 30px 60px -28px rgba(0,0,0,.6);border-color:rgb(var(--primary)/.5);}
.glass-card:hover::after{opacity:1;}

/* ── Header ─────────────────────────────────────────────── */
header{position:sticky;top:0;z-index:50;transition:padding .3s var(--ease);}
header .bar{display:flex;align-items:center;justify-content:space-between;height:68px;margin-top:14px;
  border-radius:999px;padding:0 8px 0 18px;transition:all .3s var(--ease);}
header.scrolled .bar{background:rgb(var(--card)/.6);border:1px solid rgb(var(--border)/.8);backdrop-filter:blur(20px);}
.brand{font-family:"Space Grotesk";font-weight:600;font-size:18px;display:flex;align-items:center;gap:11px;}
.brand .mark{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700;
  color:#fff;background:linear-gradient(135deg,rgb(var(--primary)),rgb(var(--accent)));font-family:"JetBrains Mono";}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{font-size:14px;color:rgb(var(--muted));transition:color .2s var(--ease);position:relative;}
.nav-links a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-5px;height:1.5px;width:100%;
  background:linear-gradient(90deg,rgb(var(--primary)),rgb(var(--accent)));transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);}
.nav-links a:not(.btn):hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a:hover,.nav-links a.active{color:rgb(var(--fg));}
.hdr-right{display:flex;align-items:center;gap:10px;}
.btn{font-family:Inter;font-size:14px;font-weight:500;padding:9px 18px;border-radius:999px;display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);border:1px solid transparent;will-change:transform;}
.btn-solid{color:#fff;background:linear-gradient(135deg,rgb(var(--primary)),rgb(var(--accent)));}
.btn-solid:hover{box-shadow:0 12px 26px -10px rgb(var(--primary)/.7);}
.btn-ghost{border-color:rgb(var(--border));color:rgb(var(--fg));background:rgb(var(--card)/.4);}
.btn-ghost:hover{border-color:rgb(var(--primary));color:rgb(var(--primary-light));}
.btn .arr{transition:transform .25s var(--ease);}
.btn:hover .arr{transform:translateX(3px);}
.icon-btn{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  border:1px solid rgb(var(--border));background:rgb(var(--card)/.5);color:rgb(var(--fg));transition:.25s var(--ease);}
.icon-btn:hover{transform:scale(1.08) rotate(15deg);border-color:rgb(var(--primary));}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;color:rgb(var(--fg));}
.menu-toggle span{display:block;width:22px;height:2px;background:currentColor;margin:4px 0;transition:.3s var(--ease);}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ── Hero ───────────────────────────────────────────────── */
.hero{position:relative;padding:80px 0 56px;overflow:hidden;}
#dataflow{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.9;}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:50px;align-items:center;}
.status{font-family:"JetBrains Mono";font-size:12px;letter-spacing:.04em;display:inline-flex;align-items:center;gap:9px;
  color:rgb(var(--primary-light));background:rgb(var(--primary)/.12);border:1px solid rgb(var(--primary)/.3);padding:6px 14px;border-radius:999px;margin-bottom:22px;}
.status .dot{width:8px;height:8px;border-radius:50%;background:rgb(var(--signal));animation:pulse 2.4s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(61,220,132,.5);}70%{box-shadow:0 0 0 8px rgba(61,220,132,0);}100%{box-shadow:0 0 0 0 rgba(61,220,132,0);}}
.hero h1{font-weight:700;font-size:clamp(44px,7vw,86px);line-height:1.02;letter-spacing:-.02em;margin:0;}
.hero h1 .line{display:block;overflow:hidden;}
.hero h1 .ch{display:inline-block;will-change:transform;}
.role{font-family:"JetBrains Mono";font-size:14px;color:rgb(var(--muted));margin:20px 0 0;letter-spacing:.02em;}
.lede{font-size:16.5px;line-height:1.65;color:rgb(var(--muted));max-width:56ch;margin:18px 0 0;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* Terminal */
.terminal{margin-top:22px;max-width:540px;border-radius:12px;overflow:hidden;
  border:1px solid rgb(var(--border));background:rgb(8 13 24/.85);
  box-shadow:0 18px 40px -22px rgba(0,0,0,.7);}
.light .terminal{background:rgb(15 23 42/.92);}
.term-head{display:flex;align-items:center;gap:7px;padding:9px 13px;border-bottom:1px solid rgb(var(--border)/.7);}
.term-head i{width:10px;height:10px;border-radius:50%;background:#3a4456;}
.term-head i:nth-child(1){background:#ff5f57;}.term-head i:nth-child(2){background:#febc2e;}.term-head i:nth-child(3){background:#28c840;}
.term-head span{margin-left:8px;font-family:"JetBrains Mono";font-size:11px;color:rgb(148 163 184);}
.term-body{padding:13px 15px;font-family:"JetBrains Mono";font-size:13.5px;color:#cfe3ee;min-height:46px;}
.term-body .prompt{color:rgb(var(--signal));margin-right:4px;}
.term-body .kw{color:rgb(var(--primary-light));}
.term-body .str{color:rgb(var(--accent-light));}
.caret{display:inline-block;width:8px;height:15px;background:rgb(var(--accent-light));margin-left:3px;vertical-align:text-bottom;
  animation:blink 1s steps(1) infinite;}
@keyframes blink{50%{opacity:0;}}

/* Portrait */
.hero-side{display:flex;flex-direction:column;gap:24px;align-items:center;}
.portrait-wrap{position:relative;width:250px;height:250px;}
.portrait-orbit{position:absolute;inset:-25px;width:calc(100% + 50px);height:calc(100% + 50px);
  animation:spin 24s linear infinite;opacity:.7;}
@keyframes spin{to{transform:rotate(360deg);}}
.portrait-glow{position:absolute;inset:-12px;border-radius:50%;background:linear-gradient(135deg,rgb(var(--primary)),rgb(var(--accent)));filter:blur(28px);opacity:.55;animation:breathe 5s var(--ease) infinite;}
@keyframes breathe{0%,100%{transform:scale(1);opacity:.5;}50%{transform:scale(1.08);opacity:.7;}}
.portrait{position:absolute;inset:0;border-radius:50%;overflow:hidden;display:grid;place-items:center;
  font-family:"Space Grotesk";font-size:68px;color:#fff;background:linear-gradient(135deg,rgb(var(--primary)),rgb(var(--accent)));
  border:5px solid rgb(var(--bg));}
.portrait img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.orbit-chip{position:absolute;font-family:"JetBrains Mono";font-size:11px;padding:5px 11px;border-radius:999px;
  background:rgb(var(--card)/.85);border:1px solid rgb(var(--border));backdrop-filter:blur(10px);
  color:rgb(var(--primary-light));box-shadow:0 8px 20px -10px rgba(0,0,0,.6);white-space:nowrap;}
.oc1{top:-4px;right:-22px;animation:float 5s ease-in-out infinite;}
.oc2{bottom:18px;left:-34px;animation:float 6s ease-in-out infinite reverse;color:rgb(var(--accent-light));}
.oc3{bottom:-14px;right:6px;animation:float 5.5s ease-in-out .8s infinite;}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-9px);}}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;width:100%;max-width:360px;}
.hstat{border-radius:14px;padding:14px 10px;text-align:center;}
.hstat .n{font-family:"Space Grotesk";font-weight:600;font-size:20px;}
.hstat .t{font-family:"JetBrains Mono";font-size:10px;letter-spacing:.06em;color:rgb(var(--muted));margin-top:5px;}

.scroll-hint{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);width:24px;height:38px;
  border:2px solid rgb(var(--muted)/.5);border-radius:14px;}
.scroll-hint span{position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;border-radius:2px;
  background:rgb(var(--accent));animation:scrollhint 1.8s var(--ease) infinite;}
@keyframes scrollhint{0%{transform:translateY(0);opacity:1;}70%{transform:translateY(12px);opacity:0;}100%{opacity:0;}}

/* ── Ticker stack ───────────────────────────────────────── */
.ticker{overflow:hidden;border-block:1px solid rgb(var(--border)/.6);padding:14px 0;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);}
.ticker-track{display:flex;gap:42px;width:max-content;animation:ticker 36s linear infinite;}
.ticker:hover .ticker-track{animation-play-state:paused;}
.ticker-track span{font-family:"JetBrains Mono";font-size:13px;letter-spacing:.08em;color:rgb(var(--muted));
  display:inline-flex;align-items:center;gap:42px;white-space:nowrap;}
.ticker-track span::after{content:"◆";font-size:8px;color:rgb(var(--accent)/.7);}
@keyframes ticker{to{transform:translateX(-50%);}}

/* ── Pipeline ───────────────────────────────────────────── */
.pipeline{padding:64px 0 78px;}
.pipe-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:22px;}
.pipe-head small{font-family:"JetBrains Mono";font-size:12px;color:rgb(var(--signal));}
.pipe{display:flex;border-radius:var(--radius);overflow:hidden;position:relative;}
.pipe-wire{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:0;}
#wire{stroke:rgb(var(--primary)/.25);stroke-width:2;stroke-dasharray:5 7;}
.packet{position:absolute;top:50%;left:0;width:10px;height:10px;border-radius:50%;z-index:1;
  transform:translate(-50%,-50%);background:rgb(var(--accent-light));
  box-shadow:0 0 12px 3px rgb(var(--accent)/.8);pointer-events:none;}
.stage{flex:1;padding:20px 16px;border-right:1px solid rgb(var(--border)/.7);position:relative;min-width:0;
  transition:background .3s var(--ease);z-index:2;}
.stage:last-child{border-right:0;}
.stage:hover{background:rgb(var(--primary)/.08);}
.stage.lit{background:rgb(var(--primary)/.1);}
.stage.lit .s-name{color:rgb(var(--primary-light));}
.stage .s-num{font-family:"JetBrains Mono";font-size:11px;color:rgb(var(--accent));}
.stage .s-name{font-family:"Space Grotesk";font-weight:500;font-size:16px;margin-top:8px;transition:color .3s;}
.stage .s-tool{font-family:"JetBrains Mono";font-size:11px;color:rgb(var(--muted));margin-top:6px;}

/* ── Sections ───────────────────────────────────────────── */
section{padding:80px 0;}
.sec-head{text-align:center;margin-bottom:48px;}
.sec-head h2{font-weight:700;font-size:clamp(30px,4.4vw,46px);line-height:1.08;letter-spacing:-.015em;margin:12px 0 0;}
.sec-head p{color:rgb(var(--muted));margin:14px auto 0;max-width:46ch;font-size:16px;}

/* ── About ──────────────────────────────────────────────── */
.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:start;}
.panel{padding:30px 28px;margin-bottom:22px;}
.panel:last-child{margin-bottom:0;}
.panel h3{font-weight:600;font-size:21px;margin:0 0 14px;}
.panel p{margin:0 0 14px;color:rgb(var(--muted));font-size:15.5px;line-height:1.65;}
.panel p:last-child{margin:0;}
.panel p strong{color:rgb(var(--fg));}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{font-family:"JetBrains Mono";font-size:12px;border:1px solid rgb(var(--border));border-radius:999px;padding:6px 13px;color:rgb(var(--muted));
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);}
.chip:hover{border-color:rgb(var(--accent)/.6);color:rgb(var(--accent-light));transform:translateY(-2px);}
.values{display:grid;gap:16px;}
.value{padding:22px;}
.value .v-num{font-family:"JetBrains Mono";font-size:11px;color:rgb(var(--accent));}
.value h4{font-weight:600;font-size:17px;margin:8px 0 6px;}
.value p{margin:0;font-size:14px;color:rgb(var(--muted));line-height:1.5;}
.langs .lang{display:flex;justify-content:space-between;border-bottom:1px solid rgb(var(--border));padding:9px 0;font-size:14.5px;}
.langs .lang:last-child{border-bottom:0;}
.langs .lv{font-family:"JetBrains Mono";font-size:12px;color:rgb(var(--accent));}

/* ── Skills ─────────────────────────────────────────────── */
.skill-block{margin-bottom:34px;}
.skill-block h3{font-weight:600;font-size:20px;margin:0 0 4px;}
.skill-block .meta{font-family:"JetBrains Mono";font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:rgb(var(--muted));margin-bottom:18px;}
.skill-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;}
.skill{padding:18px;}
.skill .top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;}
.skill .nm{font-family:"Space Grotesk";font-weight:500;font-size:16px;}
.skill .lvl{font-family:"JetBrains Mono";font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:rgb(var(--muted));}
.dots{display:flex;gap:5px;margin-bottom:12px;}
.dots i{height:5px;border-radius:3px;background:rgb(var(--border));flex:1;position:relative;overflow:hidden;}
.dots i.on::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgb(var(--primary)),rgb(var(--accent)));
  transform:scaleX(0);transform-origin:left;}
.in-view .dots i.on::before{animation:fill .5s var(--ease-out) forwards;animation-delay:var(--d,0s);}
@keyframes fill{to{transform:scaleX(1);}}
.skill .tags{display:flex;flex-wrap:wrap;gap:6px;}
.skill .tags span{font-family:"JetBrains Mono";font-size:10.5px;color:rgb(var(--muted));background:rgb(var(--primary)/.1);border-radius:6px;padding:3px 8px;}

/* ── Experience ─────────────────────────────────────────── */
.timeline{position:relative;}
.tl-line{position:absolute;left:11px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(to bottom,rgb(var(--primary)),rgb(var(--accent)));opacity:.6;
  transform:scaleY(0);transform-origin:top;}
.xp{position:relative;padding-left:48px;margin-bottom:26px;}
.xp::before{content:"";position:absolute;left:4px;top:30px;width:16px;height:16px;border-radius:50%;
  background:rgb(var(--primary));border:4px solid rgb(var(--bg));transition:box-shadow .4s var(--ease),background .4s;}
.xp.in-view::before{background:rgb(var(--accent));box-shadow:0 0 0 5px rgb(var(--accent)/.18),0 0 16px rgb(var(--accent)/.5);}
.xp .body{padding:26px;}
.xp .head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;align-items:baseline;margin-bottom:12px;}
.xp h3{font-weight:600;font-size:20px;margin:0;}
.xp .org{color:rgb(var(--primary-light));font-weight:500;font-size:14.5px;margin:4px 0 0;}
.xp .when{font-family:"JetBrains Mono";font-size:12.5px;color:rgb(var(--muted));}
.xp .ctx{font-style:italic;color:rgb(var(--muted));font-size:14px;margin:0 0 14px;}
.xp ul{margin:0 0 16px;padding:0;list-style:none;display:grid;gap:7px;}
.xp li{position:relative;padding-left:18px;font-size:14.5px;color:rgb(var(--muted));}
.xp li::before{content:"▸";position:absolute;left:0;color:rgb(var(--accent));}
.stack{display:flex;flex-wrap:wrap;gap:7px;}
.stack .t{font-family:"JetBrains Mono";font-size:11px;border:1px solid rgb(var(--primary)/.3);background:rgb(var(--primary)/.08);
  border-radius:999px;padding:4px 11px;color:rgb(var(--primary-light));transition:.25s var(--ease);}
.stack .t:hover{border-color:rgb(var(--accent)/.6);color:rgb(var(--accent-light));transform:translateY(-2px);}

/* ── Projects ───────────────────────────────────────────── */
.proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;perspective:1400px;}
.proj{padding:28px 26px;transform-style:preserve-3d;}
.proj h3{font-weight:600;font-size:19px;margin:0 0 16px;line-height:1.2;}
.proj .lab{font-family:"JetBrains Mono";font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:rgb(var(--accent));}
.proj .txt{font-size:14px;color:rgb(var(--muted));line-height:1.55;margin:5px 0 16px;}
.metrics{display:flex;gap:20px;flex-wrap:wrap;border-top:1px solid rgb(var(--border));padding-top:16px;margin-bottom:16px;}
.metric .m-n{font-family:"Space Grotesk";font-weight:600;font-size:24px;}
.metric .m-n.grad{background-image:linear-gradient(90deg,rgb(var(--primary-light)),rgb(var(--accent)));-webkit-background-clip:text;background-clip:text;color:transparent;}
.metric .m-t{font-family:"JetBrains Mono";font-size:10px;letter-spacing:.06em;color:rgb(var(--muted));margin-top:5px;}

/* ── Education ──────────────────────────────────────────── */
.edu-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.edu{padding:26px 24px;}
.edu .row{display:flex;justify-content:space-between;align-items:center;}
.edu .y{font-family:"JetBrains Mono";font-size:12px;color:rgb(var(--accent));}
.edu .tag{font-family:"JetBrains Mono";font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:rgb(var(--muted));border:1px solid rgb(var(--border));border-radius:999px;padding:3px 9px;}
.edu h3{font-weight:600;font-size:18px;margin:12px 0 4px;}
.edu .sch{color:rgb(var(--primary-light));font-weight:500;font-size:14px;margin:0 0 8px;}
.edu p{margin:0;font-size:13.5px;color:rgb(var(--muted));line-height:1.5;}
.cont{margin-top:24px;padding:30px;text-align:center;}
.cont h3{font-weight:600;font-size:20px;margin:0 0 10px;}
.cont p{color:rgb(var(--muted));font-size:15px;margin:0 auto 18px;max-width:62ch;}
.cont .chips{justify-content:center;}

/* ── Contact ────────────────────────────────────────────── */
.contact{text-align:center;}
.contact h2{font-weight:700;font-size:clamp(30px,5vw,56px);line-height:1.04;letter-spacing:-.02em;margin:14px auto 0;max-width:18ch;}
.contact .lede{margin:20px auto 0;max-width:42ch;color:rgb(var(--muted));font-size:17px;}
.avail{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:24px;}
.avail .a{font-family:"JetBrains Mono";font-size:12px;border-radius:999px;padding:7px 15px;border:1px solid;}
.avail .a1{color:rgb(var(--signal));border-color:rgba(61,220,132,.4);background:rgba(61,220,132,.1);}
.avail .a2{color:rgb(var(--primary-light));border-color:rgb(var(--primary)/.4);background:rgb(var(--primary)/.1);}
.avail .a3{color:rgb(var(--accent-light));border-color:rgb(var(--accent)/.4);background:rgb(var(--accent)/.1);}
.links{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:32px;}
.mail{font-family:"Space Grotesk";font-size:clamp(19px,3vw,26px);margin-top:24px;display:inline-block;
  border-bottom:1px solid rgb(var(--border));padding-bottom:4px;transition:border-color .25s var(--ease);}
.mail:hover{border-color:rgb(var(--accent));}

footer{border-top:1px solid rgb(var(--border));padding:30px 0;margin-top:40px;}
.foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:13.5px;color:rgb(var(--muted));}
.foot .socials{display:flex;gap:20px;}
.foot a:hover{color:rgb(var(--fg));}

/* ── État reveal (piloté par GSAP / fallback IO) ────────── */
.reveal{opacity:0;transform:translateY(30px);}
.no-js .reveal,.motion-off .reveal{opacity:1;transform:none;}

/* ── Responsive ─────────────────────────────────────────── */
@media(min-width:820px){.hero-grid{grid-template-columns:1.5fr .9fr;}}
@media(max-width:880px){.proj-grid,.edu-grid{grid-template-columns:1fr;}}
@media(max-width:759px){
  .brand-name{display:none;}
  .nav-links{position:fixed;inset:82px 16px auto 16px;flex-direction:column;align-items:flex-start;gap:0;
    border-radius:18px;padding:8px 20px;transform:translateY(-130%);transition:transform .35s var(--ease);
    background:rgb(var(--card)/.92);border:1px solid rgb(var(--border));backdrop-filter:blur(20px);z-index:60;}
  .nav-links.open{transform:none;}
  .nav-links a{width:100%;padding:13px 0;border-bottom:1px solid rgb(var(--border));font-size:16px;}
  .nav-links .btn{margin:12px 0;}
  .menu-toggle{display:block;}
  .about-grid{grid-template-columns:1fr;}
  .pipe{flex-direction:column;}
  .pipe-wire,.packet{display:none;}
  .stage{border-right:0;border-bottom:1px solid rgb(var(--border)/.7);}
  .stage:last-child{border-bottom:0;}
  section{padding:58px 0;}
  .hero{padding:50px 0 64px;}
  .orbit-chip{display:none;}
}

/* ── Reduced motion ─────────────────────────────────────── */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .reveal{opacity:1!important;transform:none!important;}
  #boot{display:none;}
  #dataflow{display:none;}
  .caret{animation:none;}
}
:focus-visible{outline:2px solid rgb(var(--accent));outline-offset:3px;border-radius:4px;}