:root{
  --void:#020407;
  --deep:#050A12;
  --plate:#070E18;
  --plate2:#0A1420;
  --ice:#BFE9F2;
  --cyan:#66D9E8;
  --cyan-dim:rgba(102,217,232,.28);
  --violet:#9E8BFF;
  --amber:#FF8A4C;
  --paper:#DDE9F0;
  --steel:#5E7285;
  --hair:rgba(150,190,210,.16);
  --hair2:rgba(150,190,210,.07);
  --maxw:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--void);color:var(--paper);
  font-family:'IBM Plex Sans',sans-serif;font-weight:300;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{ /* global hairline grid */
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--hair2) 1px,transparent 1px),linear-gradient(90deg,var(--hair2) 1px,transparent 1px);
  background-size:64px 64px;
}
main,header,footer{position:relative;z-index:1}
h1,h2,h3,h4{font-family:'Barlow Condensed',sans-serif;font-weight:500;line-height:1.02;margin:0 0 .45em;letter-spacing:.005em}
a{color:inherit}
.mono{font-family:'IBM Plex Mono',monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(1rem,4vw,2.6rem)}
section{position:relative;padding:clamp(3.4rem,8vw,7rem) 0}

/* HUD label */
.hlabel{
  font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.14em;
  color:var(--cyan);display:flex;align-items:center;gap:.55rem;margin-bottom:1rem;text-transform:uppercase;
}
.hlabel::before{content:"";width:8px;height:8px;border:1px solid var(--cyan);transform:rotate(45deg);flex:none}
.hlabel::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--cyan-dim),transparent);max-width:130px}
h2.title{font-size:clamp(1.9rem,4.2vw,3rem);max-width:26ch;font-weight:400}
p.lede{color:var(--steel);font-size:1rem;max-width:64ch}

/* corner-bracket frame */
.frame{position:relative;background:linear-gradient(150deg,rgba(10,20,32,.85),rgba(5,10,18,.5));padding:1.5rem}
.frame::before,.frame::after,.frame>.c3,.frame>.c4{content:"";position:absolute;width:14px;height:14px;border:1px solid var(--cyan-dim)}
.frame::before{top:0;left:0;border-right:none;border-bottom:none}
.frame::after{top:0;right:0;border-left:none;border-bottom:none}
.frame>.c3{bottom:0;left:0;border-right:none;border-top:none}
.frame>.c4{bottom:0;right:0;border-left:none;border-top:none}
.frame.lined{border:1px solid var(--hair)}

.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.75rem 1.4rem;font-weight:400;font-size:.85rem;
  text-decoration:none;cursor:pointer;border:1px solid var(--hair);background:rgba(10,20,32,.5);color:var(--paper);
  transition:.2s;font-family:'IBM Plex Mono',monospace;letter-spacing:.06em;text-transform:uppercase}
.btn:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:0 0 18px rgba(102,217,232,.12)}
.btn-solid{background:rgba(102,217,232,.14);border-color:var(--cyan);color:var(--cyan)}
.btn-amber{background:rgba(255,138,76,.12);border-color:var(--amber);color:var(--amber)}
.btn-amber:hover{border-color:var(--amber);color:var(--amber)}
.btn-sm{padding:.45rem .85rem;font-size:.72rem}

/* NAV */
header.nav{position:fixed;top:0;left:0;right:0;z-index:300;background:linear-gradient(to bottom,rgba(2,4,7,.96),rgba(2,4,7,.55) 70%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--hair2)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:.75rem clamp(1rem,4vw,2.6rem);display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;align-items:center;gap:.6rem;font-family:'Barlow Condensed';font-size:1.18rem;font-weight:500;text-decoration:none;letter-spacing:.18em;white-space:nowrap}
@media(max-width:520px){.brand span{display:none}}
.navlinks{display:flex;gap:1.15rem;font-size:.72rem;list-style:none;margin:0;padding:0;font-family:'IBM Plex Mono';letter-spacing:.06em;text-transform:uppercase}
.navlinks a{text-decoration:none;color:var(--steel);transition:color .2s}
.navlinks a:hover{color:var(--cyan)}
@media(max-width:1140px){.navlinks{display:none}}
.navright{display:flex;align-items:center;gap:.7rem}
.langsw{display:flex;border:1px solid var(--hair);font-family:'IBM Plex Mono';font-size:.7rem}
.langsw button{background:none;border:none;color:var(--steel);padding:.4rem .6rem;cursor:pointer;font-family:inherit;font-size:inherit;letter-spacing:.08em}
.langsw button.on{color:var(--cyan);background:rgba(102,217,232,.1)}

/* HERO with video */
.hero{position:relative;min-height:100vh;display:flex;align-items:flex-end;overflow:hidden;padding-bottom:clamp(2rem,6vw,5rem)}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;filter:saturate(.55) contrast(1.06) brightness(.72)}
.hero-tint{position:absolute;inset:0;z-index:1;background:
  linear-gradient(to top,var(--void) 4%,rgba(2,4,7,.55) 40%,rgba(2,10,20,.35) 100%),
  radial-gradient(ellipse at 70% 40%,rgba(102,217,232,.10),transparent 60%)}
.scanlines{position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(to bottom,rgba(255,255,255,.035) 0 1px,transparent 1px 3px)}
.hero-hud{position:absolute;inset:0;z-index:3;pointer-events:none}
.hero-hud svg{width:100%;height:100%}
.hero-content{position:relative;z-index:4;width:100%}
.hero h1{font-size:clamp(2.4rem,6.4vw,5.2rem);text-transform:uppercase;letter-spacing:.02em;font-weight:400;max-width:16ch}
.hero p.lede{max-width:56ch;margin-top:1rem}
.hero-actions{margin-top:1.8rem;display:flex;gap:.8rem;flex-wrap:wrap;align-items:center}
.telem{position:absolute;right:clamp(1rem,4vw,2.6rem);top:22%;z-index:4;font-family:'IBM Plex Mono';font-size:.7rem;color:var(--cyan);text-align:right;line-height:2.1;pointer-events:none;letter-spacing:.05em}
.telem b{color:var(--paper);font-weight:400}
.telem .ph{color:var(--amber)}
@media(max-width:760px){.telem{display:none}}
.statbar{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--hair);margin-top:2rem;background:rgba(5,10,18,.6);backdrop-filter:blur(4px)}
@media(max-width:700px){.statbar{grid-template-columns:1fr 1fr}}
.statbar div{padding:.9rem 1rem;border-right:1px solid var(--hair2)}
.statbar .n{font-family:'Barlow Condensed';font-size:1.9rem;color:var(--cyan);line-height:1}
.statbar .l{font-size:.68rem;color:var(--steel);font-family:'IBM Plex Mono';letter-spacing:.04em;margin-top:.25rem}
.vidctl{position:absolute;left:clamp(1rem,4vw,2.6rem);bottom:1rem;z-index:5;display:flex;gap:.5rem}

/* tables */
table.spec{width:100%;border-collapse:collapse;font-size:.85rem;margin-top:.9rem}
table.spec td{padding:.45rem .2rem;border-bottom:1px solid var(--hair2);color:var(--steel)}
table.spec td:last-child{text-align:right;color:var(--ice);font-family:'IBM Plex Mono';font-size:.8rem}
table.spec tr:hover td{color:var(--paper)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.4rem,3.5vw,3rem);align-items:center}
@media(max-width:940px){.split{grid-template-columns:1fr}}
.flist{list-style:none;margin:1.4rem 0 0;padding:0;display:flex;flex-direction:column;gap:.85rem}
.flist li{display:flex;gap:.8rem;align-items:flex-start;color:var(--steel);font-size:.9rem}
.flist li::before{content:"";width:7px;height:7px;border:1px solid var(--cyan);transform:rotate(45deg);margin-top:.5em;flex:none}
.flist b{color:var(--paper);font-weight:400}

.controls{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;margin-top:1.1rem;font-size:.75rem;color:var(--steel);font-family:'IBM Plex Mono'}
input[type=range]{-webkit-appearance:none;appearance:none;height:1px;background:var(--hair);width:150px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;background:var(--cyan);cursor:pointer;transform:rotate(45deg)}
input[type=range]::-moz-range-thumb{width:12px;height:12px;border:none;background:var(--cyan);cursor:pointer}
.readout{font-family:'IBM Plex Mono';color:var(--cyan);font-size:.78rem}

.viewbox{position:relative;border:1px solid var(--hair);background:radial-gradient(circle at 50% 45%,rgba(102,217,232,.045),transparent 68%),var(--plate)}
.viewbox .tag{position:absolute;top:.65rem;left:.9rem;font-family:'IBM Plex Mono';font-size:.64rem;color:var(--steel);letter-spacing:.1em;text-transform:uppercase;z-index:2}
.viewbox .tagr{position:absolute;top:.65rem;right:.9rem;font-family:'IBM Plex Mono';font-size:.64rem;color:var(--cyan-dim);letter-spacing:.1em;z-index:2}
.viewbox svg{width:100%;display:block;position:relative;z-index:1}

/* trajectory */
.traj-stage{position:relative;border:1px solid var(--hair);background:linear-gradient(180deg,#02060C,#061424 55%,#0B2136);margin-top:1.2rem}
#trajSvg{width:100%;display:block}
.traj-hud{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--hair)}
@media(max-width:760px){.traj-hud{grid-template-columns:repeat(2,1fr)}}
.traj-hud div{padding:.75rem .9rem;border-right:1px solid var(--hair2)}
.traj-hud .k{font-family:'IBM Plex Mono';font-size:.62rem;color:var(--steel);letter-spacing:.1em}
.traj-hud .v{font-family:'Barlow Condensed';font-size:1.5rem;color:var(--cyan);line-height:1.15}
.chips{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:1.4rem}
.chip{border:1px solid var(--hair);padding:.32rem .7rem;font-size:.68rem;color:var(--steel);cursor:pointer;transition:.2s;background:none;font-family:'IBM Plex Mono';letter-spacing:.05em;text-transform:uppercase}
.chip.on{border-color:var(--cyan);color:var(--cyan);background:rgba(102,217,232,.08)}

.rotor-wrap{display:grid;grid-template-columns:1.3fr .7fr;gap:clamp(1.4rem,3vw,2.6rem);align-items:start;margin-top:1.8rem}
@media(max-width:940px){.rotor-wrap{grid-template-columns:1fr}}
.rotor-views{display:grid;gap:1rem}

.chain{display:flex;flex-wrap:wrap;margin-top:1.8rem;border:1px solid var(--hair)}
.chain-node{flex:1 1 150px;padding:1.1rem 1rem;border-right:1px solid var(--hair2);min-width:140px}
.chain-node:last-child{border-right:none}
.chain-node .n{font-family:'IBM Plex Mono';font-size:.62rem;color:var(--cyan);letter-spacing:.12em}
.chain-node h4{font-size:1.15rem;margin:.3rem 0 .25rem;font-weight:400}
.chain-node p{font-size:.78rem;color:var(--steel);margin:0}
.chain-node .val{font-family:'IBM Plex Mono';font-size:.74rem;color:var(--amber);margin-top:.5rem}
.flowline{height:2px;background:var(--hair2);position:relative;overflow:hidden}
.flowpulse{position:absolute;top:0;left:-20%;width:20%;height:100%;background:linear-gradient(90deg,transparent,var(--cyan),transparent);animation:flow 2.8s linear infinite}
@keyframes flow{to{left:100%}}

.cluster-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.4rem,3vw,2.6rem);align-items:center}
@media(max-width:940px){.cluster-grid{grid-template-columns:1fr}}
#clusterSvg{width:100%;max-width:430px;margin:0 auto;display:block;overflow:visible}
.chamber{cursor:pointer}

.modules{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(1.4rem,3vw,2.6rem);align-items:center}
@media(max-width:940px){.modules{grid-template-columns:1fr}}
#moduleSvg{width:100%;max-width:320px;margin:0 auto;display:block;overflow:visible}
.mod-g{cursor:pointer}
.mod-detail{border-left:1px solid var(--cyan);padding-left:1.2rem;min-height:200px}
.mod-detail .k{font-family:'IBM Plex Mono';font-size:.66rem;color:var(--cyan);letter-spacing:.1em}
.mod-detail h3{font-size:1.6rem;margin:.3rem 0 .5rem;font-weight:400}
.mod-detail p{color:var(--steel);font-size:.88rem;margin:0}
.mod-detail ul{color:var(--steel);font-size:.84rem;padding-left:1.1rem;margin:.7rem 0 0}

.bars{margin-top:1.5rem;display:flex;flex-direction:column;gap:.5rem}
.bar-row{display:grid;grid-template-columns:210px 1fr 72px;gap:.8rem;align-items:center;font-size:.8rem}
@media(max-width:620px){.bar-row{grid-template-columns:118px 1fr 58px;font-size:.74rem}}
.bar-row .name{color:var(--steel)}
.bar-track{height:6px;background:var(--hair2);position:relative;overflow:hidden}
.bar-fill{height:100%;width:0;background:linear-gradient(90deg,var(--cyan),rgba(102,217,232,.25));transition:width 1.1s cubic-bezier(.2,.7,.3,1)}
.bar-row .val{font-family:'IBM Plex Mono';color:var(--ice);text-align:right;font-size:.76rem}

.charts{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.4rem,3vw,2.4rem);margin-top:1.8rem}
@media(max-width:940px){.charts{grid-template-columns:1fr}}
.chart-card{border:1px solid var(--hair);padding:1.2rem;background:var(--plate)}
.chart-card h4{font-size:1.2rem;margin-bottom:.2rem;font-weight:400}
.chart-card p{font-size:.8rem;color:var(--steel);margin:.2rem 0 .9rem}
.chart-card svg{width:100%;display:block;overflow:visible}

.layer-stack{margin-top:2rem;border:1px solid var(--hair)}
.layer-row{display:grid;grid-template-columns:130px 1fr;border-bottom:1px solid var(--hair2);cursor:pointer}
.layer-row:last-child{border-bottom:none}
.layer-row .alt{background:var(--plate2);padding:1.4rem .9rem;font-family:'IBM Plex Mono';color:var(--cyan);font-size:.82rem;display:flex;align-items:center;justify-content:center;border-right:1px solid var(--hair2);letter-spacing:.06em}
.layer-row .body{padding:1.4rem}
.layer-row h3{font-size:1.45rem;margin-bottom:.25rem;font-weight:400}
.layer-row p{color:var(--steel);font-size:.88rem;margin:0}
.layer-row .more{max-height:0;overflow:hidden;transition:max-height .45s ease}
.layer-row.open .more{max-height:700px}
.layer-row:hover{background:rgba(102,217,232,.025)}

.sensor-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--hair);border:1px solid var(--hair)}
@media(max-width:560px){.sensor-grid{grid-template-columns:1fr}}
.sensor{background:var(--void);padding:1.2rem 1rem}
.sensor .k{font-family:'IBM Plex Mono';font-size:.62rem;color:var(--cyan);letter-spacing:.1em}
.sensor h4{font-size:1.1rem;margin:.3rem 0 .25rem;font-weight:400}
.sensor p{font-size:.79rem;color:var(--steel);margin:0}

.mission-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem;margin-top:2rem}
@media(max-width:920px){.mission-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.mission-grid{grid-template-columns:1fr}}
.mcard{border:1px solid var(--hair);padding:1.5rem 1.3rem;transition:.25s;position:relative;background:rgba(7,14,24,.5)}
.mcard:hover{border-color:var(--cyan-dim);background:rgba(102,217,232,.035)}
.mcard h3{font-size:1.2rem;font-weight:400}
.mcard p{color:var(--steel);font-size:.84rem;margin:.35rem 0 0}
.mcard .sp{font-family:'IBM Plex Mono';font-size:.68rem;color:var(--cyan);margin-top:.8rem;letter-spacing:.05em}

.profiles{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hair);border:1px solid var(--hair);margin-top:2rem}
@media(max-width:900px){.profiles{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.profiles{grid-template-columns:1fr}}
.profile{background:var(--void);padding:1.5rem}
.profile .role{font-family:'IBM Plex Mono';font-size:.64rem;color:var(--cyan);margin-bottom:.4rem;letter-spacing:.1em}
.profile h3{font-size:1.25rem;font-weight:400}
.profile p{color:var(--steel);font-size:.82rem;margin:.35rem 0 1rem}

.invest{background:linear-gradient(180deg,var(--deep),#03080F);border-top:1px solid var(--hair);border-bottom:1px solid var(--hair)}
.invest-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(1.4rem,3vw,2.6rem);align-items:start}
@media(max-width:900px){.invest-grid{grid-template-columns:1fr}}
.istats{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.istats .n{font-family:'Barlow Condensed';font-size:2.4rem;color:var(--cyan);line-height:1}
.istats .l{color:var(--steel);font-size:.76rem;margin-top:.15rem;font-family:'IBM Plex Mono'}
.timeline{margin-top:1.8rem;border-left:1px solid var(--hair);padding-left:1.4rem;display:flex;flex-direction:column;gap:1.2rem}
.tl{position:relative}
.tl::before{content:"";position:absolute;left:-1.68rem;top:.5em;width:7px;height:7px;background:var(--cyan);transform:rotate(45deg)}
.tl .k{font-family:'IBM Plex Mono';font-size:.66rem;color:var(--cyan);letter-spacing:.1em}
.tl p{margin:.2rem 0 0;color:var(--steel);font-size:.86rem}

.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(1.4rem,3vw,2.6rem)}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
form{display:flex;flex-direction:column;gap:.85rem}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:.85rem}
@media(max-width:520px){.row2{grid-template-columns:1fr}}
label{font-size:.7rem;color:var(--steel);display:block;margin-bottom:.3rem;font-family:'IBM Plex Mono';letter-spacing:.08em;text-transform:uppercase}
input,select,textarea{width:100%;background:rgba(7,14,24,.9);border:1px solid var(--hair);color:var(--paper);padding:.65rem .8rem;font-family:'IBM Plex Sans';font-size:.9rem}
input:focus,select:focus,textarea:focus{outline:1px solid var(--cyan);outline-offset:1px;border-color:var(--cyan)}
textarea{resize:vertical;min-height:110px}
.fnote{font-size:.72rem;color:var(--steel);margin-top:.4rem;font-family:'IBM Plex Mono'}
.cinfo li{list-style:none;margin-bottom:1rem}
.cinfo .k{font-family:'IBM Plex Mono';font-size:.66rem;color:var(--cyan);letter-spacing:.1em}
footer{border-top:1px solid var(--hair);padding:2rem 0;color:var(--steel);font-size:.76rem;font-family:'IBM Plex Mono'}
.finner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}

.gallery{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin-top:2rem}
@media(max-width:880px){.gallery{grid-template-columns:1fr}}
.gallery figure{margin:0;position:relative;border:1px solid var(--hair);background:var(--plate)}
.gallery img{width:100%;display:block;filter:saturate(.72) contrast(1.05) brightness(.94)}
.gallery figure::before,.gallery figure::after{content:"";position:absolute;width:14px;height:14px;border:1px solid var(--cyan-dim);pointer-events:none}
.gallery figure::before{top:0;left:0;border-right:none;border-bottom:none}
.gallery figure::after{top:0;right:0;border-left:none;border-bottom:none}
.gallery figcaption{padding:.9rem 1rem;font-size:.8rem;color:var(--steel);border-top:1px solid var(--hair2);font-family:'IBM Plex Mono';line-height:1.7}
::selection{background:var(--cyan);color:#02141a}
:focus-visible{outline:1px solid var(--cyan);outline-offset:2px}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ============ v4 : animations et chrome HUD ============ */

/* heritage line under the hero title */
.heritage{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.18em;color:var(--steel);
  text-transform:uppercase;margin:.9rem 0 .2rem;display:flex;align-items:center;gap:.55rem}
.heritage span:first-child{color:var(--cyan)}
.heritage .sep{color:var(--cyan-dim)}

/* boot overlay */
#boot{position:fixed;inset:0;z-index:900;background:var(--void);display:flex;align-items:center;justify-content:center;
  transition:opacity .6s ease,visibility .6s}
#boot.done{opacity:0;visibility:hidden}
#boot .bootbox{font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--cyan);letter-spacing:.1em;
  width:min(420px,78vw);line-height:2}
#boot .bl{opacity:0;display:flex;justify-content:space-between;gap:1rem}
#boot .bl.on{opacity:1}
#boot .bl i{font-style:normal;color:var(--steel)}
#boot .bar{height:1px;background:var(--hair);margin-top:1rem;position:relative;overflow:hidden}
#boot .bar span{position:absolute;inset:0 100% 0 0;background:var(--cyan);transition:right 2.1s linear}

/* scroll progress + section rail */
#scrollbar{position:fixed;top:0;left:0;height:2px;width:0;background:linear-gradient(90deg,var(--violet),var(--cyan));z-index:400}
#rail{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:150;display:flex;flex-direction:column;gap:.65rem}
@media(max-width:1200px){#rail{display:none}}
#rail a{display:flex;align-items:center;gap:.5rem;justify-content:flex-end;text-decoration:none}
#rail .tick{width:14px;height:1px;background:var(--steel);opacity:.5;transition:.25s}
#rail .nm{font-family:'IBM Plex Mono';font-size:.6rem;letter-spacing:.1em;color:var(--steel);opacity:0;
  transform:translateX(6px);transition:.25s;text-transform:uppercase;white-space:nowrap}
#rail a:hover .nm,#rail a.on .nm{opacity:1;transform:translateX(0)}
#rail a:hover .tick,#rail a.on .tick{background:var(--cyan);opacity:1;width:24px}

/* scroll reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}.rv-d3{transition-delay:.24s}

/* animated corner sweep on cards */
.mcard::after{content:"";position:absolute;left:0;top:0;height:1px;width:0;background:var(--cyan);transition:width .45s ease}
.mcard:hover::after{width:100%}
.sensor{position:relative;overflow:hidden}
.sensor::after{content:"";position:absolute;left:-100%;top:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);transition:left .6s ease}
.sensor:hover::after{left:100%}
.profile{position:relative}
.profile::before{content:"";position:absolute;left:0;top:0;width:2px;height:0;background:var(--cyan);transition:height .4s ease}
.profile:hover::before{height:100%}

/* deployment sequence figure */
.seqsteps{display:flex;gap:.4rem;margin-top:1rem;flex-wrap:wrap}
.seqstep{flex:1 1 120px;border:1px solid var(--hair);padding:.6rem .7rem;font-family:'IBM Plex Mono';font-size:.68rem;
  color:var(--steel);transition:.3s;cursor:pointer;background:none;text-align:left}
.seqstep.on{border-color:var(--cyan);color:var(--cyan);background:rgba(102,217,232,.07)}
.seqstep b{display:block;color:var(--paper);font-weight:400;font-size:.78rem;margin-bottom:.15rem}
.seqstep.on b{color:var(--cyan)}

/* race bars */
.race{margin-top:1.4rem;display:flex;flex-direction:column;gap:.75rem}
.race-row{display:grid;grid-template-columns:190px 1fr 86px;gap:.8rem;align-items:center;font-size:.82rem}
@media(max-width:620px){.race-row{grid-template-columns:104px 1fr 64px;font-size:.74rem}}
.race-row .nm{color:var(--steel)}
.race-track{height:10px;background:var(--hair2);position:relative;overflow:hidden}
.race-fill{height:100%;width:0;transition:width 1.6s cubic-bezier(.2,.8,.25,1)}
.race-row .v{font-family:'IBM Plex Mono';text-align:right;font-size:.78rem;color:var(--ice)}
.race-row.hero .nm,.race-row.hero .v{color:var(--cyan)}

/* counters keep width stable */
.statbar .n,.istats .n{font-variant-numeric:tabular-nums}

/* ============ lecteur plein cadre ============ */
.player{position:relative;margin-top:1.6rem;border:1px solid var(--hair);background:#000}
.player::before,.player::after{content:"";position:absolute;width:16px;height:16px;border:1px solid var(--cyan-dim);pointer-events:none;z-index:2}
.player::before{top:-1px;left:-1px;border-right:none;border-bottom:none}
.player::after{top:-1px;right:-1px;border-left:none;border-bottom:none}
.player video{width:100%;display:block;aspect-ratio:16/9;object-fit:contain;background:#000}
.ptrack{position:relative;height:26px;border-top:1px solid var(--hair2);background:var(--plate)}
.ptrack .seg{position:absolute;top:0;bottom:0;border-right:1px solid var(--hair2)}
.ptrack .seg span{position:absolute;left:6px;top:7px;font-family:'IBM Plex Mono';font-size:.58rem;
  letter-spacing:.08em;color:var(--steel);white-space:nowrap;text-transform:uppercase}
.ptrack .seg.on{background:rgba(102,217,232,.1)}
.ptrack .seg.on span{color:var(--cyan)}
.ptrack .head{position:absolute;top:0;bottom:0;width:1px;background:var(--cyan);box-shadow:0 0 8px var(--cyan);left:0}
@media(max-width:700px){.ptrack .seg span{display:none}}
.pmeta{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--hair);border-top:none}
@media(max-width:640px){.pmeta{grid-template-columns:1fr 1fr}}
.pmeta div{padding:.7rem .9rem;border-right:1px solid var(--hair2)}
.pmeta .k{font-family:'IBM Plex Mono';font-size:.6rem;color:var(--steel);letter-spacing:.1em}
.pmeta .v{font-family:'Barlow Condensed';font-size:1.25rem;color:var(--cyan);line-height:1.2}