:root{
  --bg:#0E1A2B; --bg-elevated:#142235; --bg-card:#162740;
  --text:#E7EEF5; --text-dim:#8FA3B8;
  --accent:#43C6FF; --accent-2:#FF7A45; --danger:#FF7A45; --success:#4ADE9C;
  --border:#223349; --radius:2px;
  --font-heading:'Sora',sans-serif; --font-body:'Inter',sans-serif; --font-mono:'JetBrains Mono',monospace;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg); color:var(--text); font-family:var(--font-body);
  min-height:100vh; overflow-x:hidden;
  background-image:
    linear-gradient(rgba(67,198,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67,198,255,.06) 1px, transparent 1px);
  background-size:34px 34px;
}
a{color:inherit;}
img{max-width:100%; display:block;}
button{font-family:inherit;}

/* ===== global crosshair — fixed to the viewport so it never clips at element edges ===== */
#crosshair{position:fixed; inset:0; pointer-events:none; z-index:9999; opacity:0; transition:opacity .15s ease;}
#crosshair.show{opacity:1;}
#crosshair .h{position:fixed; left:0; width:100vw; height:1px; background:rgba(67,198,255,.28); top:0;}
#crosshair .v{position:fixed; top:0; height:100vh; width:1px; background:rgba(67,198,255,.28); left:0;}
#crosshair .coord{
  position:fixed; font-family:var(--font-mono); font-size:10px; color:var(--accent);
  background:rgba(14,26,43,.9); border:1px solid var(--border); padding:3px 7px; white-space:nowrap;
}
@media (max-width:900px), (hover:none){ #crosshair{display:none;} }
@media (prefers-reduced-motion:reduce){ #crosshair{display:none;} }

/* ===== header / nav ===== */
header.site{
  display:flex; align-items:center; justify-content:space-between;
  padding:22px 6vw; border-bottom:1px solid var(--border); position:relative; z-index:20;
}
.logo{font-family:var(--font-heading); font-weight:800; font-size:19px; letter-spacing:.02em; text-decoration:none; color:var(--text);}
nav.main{display:flex; gap:30px; align-items:center;}
nav.main a{color:var(--text-dim); text-decoration:none; font-size:14px; font-weight:600; transition:.2s;}
nav.main a:hover, nav.main a.active{color:var(--accent);}
.lang-switch{display:flex; gap:4px; font-family:var(--font-mono); font-size:12px; align-items:center;}
.lang-switch button{background:none; border:1px solid transparent; color:var(--text-dim); cursor:pointer; padding:3px 6px; border-radius:2px; transition:.2s;}
.lang-switch button.active{color:var(--accent); border-color:var(--border);}
.lang-switch button:hover{color:var(--accent);}
.burger{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px;}
.burger span{width:22px; height:2px; background:var(--text);}
.nav-right{display:flex; align-items:center; gap:26px;}

/* ===== layout ===== */
section{padding:80px 6vw;}
.eyebrow{
  font-family:var(--font-mono); font-size:13px; color:var(--accent);
  text-transform:uppercase; letter-spacing:.12em; display:flex; align-items:center; gap:8px; margin-bottom:18px;
}
.sec-head{display:flex; align-items:baseline; justify-content:space-between; margin-bottom:44px; flex-wrap:wrap; gap:12px;}
.sec-title{font-family:var(--font-heading); font-size:28px; font-weight:700;}

.btn{
  font-family:var(--font-body); font-weight:700; font-size:14px; padding:14px 26px;
  border-radius:var(--radius); cursor:pointer; border:1px solid transparent; transition:.2s;
  display:inline-flex; align-items:center; gap:8px; text-decoration:none;
}
.btn-primary{background:var(--accent); color:#062232; border-radius:2px;}
.btn-primary:hover{filter:brightness(1.1); transform:translateY(-2px);}
.btn-primary:disabled{opacity:.5; cursor:default; transform:none;}
.btn-ghost{background:transparent; border-color:var(--border); color:var(--text); border-radius:2px; border-style:dashed;}
.btn-ghost:hover{border-color:var(--accent); color:var(--accent);}

/* ===== hero ===== */
h1.hero-h{
  font-family:var(--font-heading); font-size:clamp(32px,5.5vw,58px); line-height:1.08; font-weight:800;
  max-width:800px; letter-spacing:-.01em;
}
.hero-sub{font-size:17px; color:var(--text-dim); max-width:520px; margin-top:22px; line-height:1.6;}
.cta-row{display:flex; gap:14px; margin-top:36px; flex-wrap:wrap;}

/* ===== per-project carousel ===== */
.projects-list{display:flex; flex-direction:column; gap:64px; max-width:900px; margin:0 auto;}
.project-block .phead{display:flex; align-items:baseline; justify-content:space-between; gap:12px; margin-bottom:16px; flex-wrap:wrap;}
.project-block .pname{font-family:var(--font-heading); font-size:19px; font-weight:700; text-decoration:none; color:var(--text); display:flex; align-items:center; gap:8px;}
.project-block .pname:hover{color:var(--accent);}
.project-block .ptag{font-family:var(--font-mono); font-size:11px; color:var(--accent-2); text-transform:uppercase; letter-spacing:.08em;}

.pcarousel{position:relative; border:1px solid var(--border); overflow:hidden; background:#000; aspect-ratio:16/9; transition:border-color .25s;}
.pcarousel:hover{border-color:var(--accent);}
.pcarousel .track{display:flex; width:100%; height:100%; transition:transform .5s cubic-bezier(.22,.8,.2,1);}
.pcarousel .slide{flex:0 0 100%; height:100%; position:relative;}
.pcarousel .slide img, .pcarousel .slide video{width:100%; height:100%; object-fit:cover; display:block; pointer-events:none;}
.pcarousel .corner{position:absolute; width:16px; height:16px; border-color:var(--accent); opacity:.6; transition:.3s; z-index:5; pointer-events:none;}
.pcarousel .corner.tl{top:8px; left:8px; border-top:2px solid; border-left:2px solid;}
.pcarousel .corner.br{bottom:8px; right:8px; border-bottom:2px solid; border-right:2px solid;}
.pcarousel:hover .corner{width:24px; height:24px; opacity:1;}
.pcarousel .arrow{
  position:absolute; top:50%; transform:translateY(-50%); width:38px; height:38px; border-radius:50%;
  background:rgba(0,0,0,.4); border:1px solid rgba(255,255,255,.28); color:#fff;
  display:flex; align-items:center; justify-content:center; cursor:pointer; transition:.2s; z-index:4;
}
.pcarousel .arrow:hover{background:var(--accent); border-color:var(--accent); color:#062232;}
.pcarousel .arrow.prev{left:14px;}
.pcarousel .arrow.next{right:14px;}
.pcarousel .dots{position:absolute; bottom:14px; left:0; right:0; display:flex; justify-content:center; gap:7px; z-index:4;}
.pcarousel .dot{width:7px; height:7px; border-radius:50%; background:rgba(255,255,255,.4); cursor:pointer; transition:.2s;}
.pcarousel .dot.active{background:#fff; width:20px; border-radius:5px;}
.pcarousel .mute{
  position:absolute; bottom:12px; right:12px; width:28px; height:28px; border-radius:50%;
  background:rgba(0,0,0,.4); border:1px solid rgba(255,255,255,.28); color:#fff;
  display:none; align-items:center; justify-content:center; cursor:pointer; z-index:4;
}
.projects-empty{color:var(--text-dim); font-size:14px; text-align:center; padding:40px 0;}

/* ===== vacancy list ===== */
.jobs-list{display:flex; flex-direction:column; gap:16px; max-width:800px; margin:0 auto;}
.job{
  background:var(--bg-card); border:1px solid var(--border);
  padding:26px 28px; display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap;
  transition:border-color .2s;
}
.job:hover{border-color:var(--accent);}
.job-main{display:flex; gap:18px; align-items:center; flex:1; min-width:240px;}
.job-thumb{width:64px; height:64px; object-fit:cover; border:1px solid var(--border); flex-shrink:0;}
.job h3{font-family:var(--font-heading); font-size:18px; font-weight:700;}
.job-desc{color:var(--text-dim); font-size:14px; margin-top:6px; max-width:440px;}

/* markdown output styling — shared by job descriptions, apply description, question labels */
.apply-desc p, .job-desc p, .f-label p{margin:0 0 8px;}
.apply-desc p:last-child, .job-desc p:last-child, .f-label p:last-child{margin-bottom:0;}
.apply-desc ul, .apply-desc ol, .job-desc ul, .job-desc ol, .f-label ul, .f-label ol{margin:0 0 8px 20px;}
.apply-desc a, .job-desc a, .f-label a{color:var(--accent); text-decoration:underline;}
.apply-desc strong, .job-desc strong, .f-label strong{color:var(--text); font-weight:700;}
.jobs-empty{color:var(--text-dim); font-size:14px; text-align:center; padding:40px 0;}

/* ===== apply form ===== */
.apply-wrap{max-width:640px; margin:0 auto;}
.apply-back{font-family:var(--font-mono); font-size:12px; color:var(--text-dim); text-decoration:none; display:inline-flex; align-items:center; gap:6px; margin-bottom:26px;}
.apply-back:hover{color:var(--accent);}
.apply-title{font-family:var(--font-heading); font-size:26px; font-weight:800; margin-bottom:8px;}
.apply-desc{color:var(--text-dim); font-size:14px; margin-bottom:40px; line-height:1.6;}

.f-group{margin-bottom:26px;}
.f-label{display:block; font-size:14px; font-weight:600; margin-bottom:10px;}
.f-label .req{color:var(--accent-2); margin-left:3px;}
.f-hint{font-size:12px; color:var(--text-dim); margin-top:6px;}
.f-error{font-size:12px; color:var(--danger); margin-top:6px; display:none;}
.f-group.invalid .f-error{display:block;}
.f-group.invalid input[type="text"], .f-group.invalid input[type="email"], .f-group.invalid textarea{border-color:var(--danger);}

input[type="text"], input[type="email"], input[type="password"], input[type="url"], textarea{
  width:100%; background:var(--bg-elevated); border:1px solid var(--border); color:var(--text);
  padding:12px 14px; font-family:var(--font-body); font-size:14px; border-radius:2px; transition:.2s;
}
input[type="text"]:focus, input[type="email"]:focus, input[type="password"]:focus, input[type="url"]:focus, textarea:focus{outline:none; border-color:var(--accent);}
textarea{min-height:110px; resize:vertical;}

.opt-row{display:flex; flex-wrap:wrap; gap:10px;}
.opt-pill{
  border:1px solid var(--border); background:var(--bg-elevated); padding:10px 16px; font-size:13px;
  cursor:pointer; border-radius:2px; transition:.2s; user-select:none; display:flex; align-items:center; gap:8px;
}
.opt-pill input{accent-color:var(--accent);}
.opt-pill:hover{border-color:var(--accent);}
.opt-pill.checked{border-color:var(--accent); color:var(--accent); background:rgba(67,198,255,.08);}

.scale-row{display:flex; gap:8px;}
.scale-opt{
  width:44px; height:44px; border:1px solid var(--border); background:var(--bg-elevated);
  display:flex; align-items:center; justify-content:center; cursor:pointer; border-radius:2px;
  font-family:var(--font-mono); font-size:14px; transition:.2s;
}
.scale-opt:hover{border-color:var(--accent);}
.scale-opt.checked{border-color:var(--accent); background:var(--accent); color:#062232; font-weight:700;}

.apply-success{text-align:center; padding:60px 20px;}
.apply-success .icon{
  width:56px; height:56px; border:2px solid var(--success); border-radius:50%; margin:0 auto 20px;
  display:flex; align-items:center; justify-content:center; color:var(--success); font-size:24px;
}
.apply-success h2{font-family:var(--font-heading); font-size:22px; margin-bottom:10px;}
.apply-success p{color:var(--text-dim); font-size:14px;}
.apply-loading, .apply-notfound{text-align:center; color:var(--text-dim); padding:60px 20px; font-family:var(--font-mono); font-size:13px;}

/* ===== footer ===== */
footer.site{
  padding:36px 6vw; border-top:1px solid var(--border);
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  font-size:13px; color:var(--text-dim);
}
footer.site .socials{display:flex; gap:18px;}
footer.site .socials a{color:var(--text-dim); text-decoration:none; font-family:var(--font-mono); font-size:13px;}
footer.site .socials a:hover{color:var(--accent);}

/* ===== scroll reveal ===== */
.reveal{opacity:0; transform:translateY(26px); transition:opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1);}
.reveal.in{opacity:1; transform:translateY(0);}
@media (prefers-reduced-motion:reduce){ .reveal{opacity:1; transform:none; transition:none;} }

/* ===== 404 ===== */
.notfound{min-height:70vh; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; gap:16px;}
.notfound .code{font-family:var(--font-mono); color:var(--accent); font-size:14px;}

@media(max-width:820px){
  nav.main{
    position:fixed; top:66px; left:0; right:0; bottom:0; background:var(--bg);
    flex-direction:column; align-items:flex-start; padding:30px 6vw; gap:22px;
    transform:translateX(100%); transition:transform .3s ease; z-index:15;
  }
  nav.main.open{transform:translateX(0);}
  .nav-right{gap:14px;}
  .burger{display:flex;}
  section{padding:56px 5vw;}
  .job{flex-direction:column; align-items:flex-start;}
}