:root{
  --bg:#ffffff;
  --bg-soft:#f6f6f6;
  --ink:#2c4661;
  --ink-2:#3f3f3f;
  --muted:#585858;
  --faint:#999999;
  --line:#ececec;
  --line-2:#dcdcdc;
  --brand:#3c5f84;
  --brand-2:#5985b4;
  --indigo:#4999dc;
  --grad:linear-gradient(120deg,#3c5f84 0%,#5985b4 55%,#4999dc 110%);
  --grad-soft:linear-gradient(120deg,rgba(60,95,132,.12),rgba(89,133,180,.12),rgba(73,153,220,.12));
  --shadow-sm:0 4px 14px rgba(44,70,97,.06);
  --shadow:0 18px 50px -18px rgba(44,70,97,.22);
  --shadow-lg:0 40px 90px -34px rgba(44,70,97,.30);
  --rad:14px;--rad-lg:22px;--rad-xl:30px;
  --sans:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --maxw:1160px;
}
*{box-sizing:border-box}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
/* nav */
.nav{position:sticky;top:0;z-index:60;background:rgba(246,246,246,.92);backdrop-filter:blur(16px) saturate(120%);border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:24px}
.brand img{height:30px;display:block}
.nav-mid{display:flex;gap:28px;margin:0 auto;font-size:15px;font-weight:540;color:var(--ink-2)}
.nav-mid a{position:relative;transition:color .2s}
.nav-mid a:hover{color:var(--brand)}
.nav-right{display:flex;align-items:center;gap:12px}
.lang{display:inline-flex;gap:4px;font-size:13px}
.lang a{padding:6px 9px;border-radius:999px;color:var(--muted);font-family:var(--mono);font-size:12px}
.lang a.active{background:var(--bg-soft);color:var(--brand);font-weight:700}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:11px 18px;font-weight:650;font-size:15px;border:1px solid transparent;transition:transform .18s ease,box-shadow .25s ease,background .2s,color .2s;cursor:pointer}
.btn.primary{color:#fff;background:var(--grad);box-shadow:0 12px 26px -10px rgba(60,95,132,.6)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px -10px rgba(60,95,132,.7)}
.btn.outline{background:#fff;border-color:var(--line-2);color:var(--ink)}
.btn.outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn.ghost{color:var(--ink-2)}
.btn.ghost:hover{color:var(--brand)}
.btn.lg{padding:14px 24px;font-size:16px}
.btn.white{background:#fff;color:var(--ink)}
.btn.white:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
/* hero */
.hero{position:relative;text-align:center;padding:92px 0 78px;overflow:hidden}
.hero:before{content:"";position:absolute;left:50%;top:-180px;transform:translateX(-50%);width:1100px;height:680px;z-index:-1;pointer-events:none;
  background:radial-gradient(40% 50% at 30% 30%,rgba(60,95,132,.20),transparent 70%),radial-gradient(40% 50% at 72% 28%,rgba(73,153,220,.18),transparent 70%),radial-gradient(46% 50% at 52% 70%,rgba(89,133,180,.16),transparent 72%);filter:blur(6px)}
.hero:after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(44,70,97,.06) 1px,transparent 1px);background-size:26px 26px;-webkit-mask:radial-gradient(60% 60% at 50% 30%,#000,transparent 75%);mask:radial-gradient(60% 60% at 50% 30%,#000,transparent 75%)}
.badge{display:inline-flex;align-items:center;gap:9px;padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line-2);box-shadow:var(--shadow-sm);font-size:13px;font-weight:560;color:var(--ink-2);margin-bottom:26px}
.badge .dot{width:8px;height:8px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 4px rgba(89,133,180,.16)}
h1{margin:0 auto 22px;max-width:14ch;font-weight:800;letter-spacing:-.035em;line-height:1.02;font-size:clamp(40px,6vw,72px)}
.hero .sub{margin:0 auto 32px;max-width:62ch;font-size:clamp(17px,1.6vw,21px);color:var(--muted)}
.hero-cta{display:flex;gap:13px;justify-content:center;flex-wrap:wrap}
.hero-mini{margin-top:18px;font-size:13.5px;color:var(--faint)}
/* hero visual card */
.panel{position:relative;max-width:960px;margin:62px auto 0;border-radius:var(--rad-xl);background:linear-gradient(180deg,#ffffff,#fafafa);border:1px solid var(--line);box-shadow:var(--shadow-lg);overflow:hidden}
.panel:before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(120deg,rgba(60,95,132,.5),transparent 40%,transparent 70%,rgba(73,153,220,.4));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.5}
.panel-bar{display:flex;align-items:center;gap:8px;padding:14px 18px;border-bottom:1px solid var(--line)}
.panel-bar .d{width:11px;height:11px;border-radius:50%;background:#dcdcdc}
.panel-bar .t{margin-left:10px;font-family:var(--mono);font-size:12px;color:var(--faint)}
.panel-body{display:grid;grid-template-columns:1.3fr 1fr;gap:0}
.panel-map{position:relative;min-height:300px;background:radial-gradient(120% 100% at 20% 10%,rgba(60,95,132,.10),transparent 60%),linear-gradient(180deg,#f6f6f6,#ececec);border-right:1px solid var(--line)}
.panel-map svg{position:absolute;inset:0;width:100%;height:100%}
.panel-map .node{position:absolute;width:13px;height:13px;border-radius:50%;background:#fff;border:2px solid var(--brand);box-shadow:0 0 0 5px rgba(60,95,132,.12);animation:pp 3.2s ease-in-out infinite}
.panel-map .node.b{border-color:var(--indigo);box-shadow:0 0 0 5px rgba(73,153,220,.12);animation-delay:1s}
.panel-map .hub{position:absolute;width:30px;height:30px;border-radius:9px;background:var(--grad);box-shadow:0 10px 24px -8px rgba(60,95,132,.6);display:grid;place-items:center;color:#fff}
.panel-map .dash{stroke:url(#g1);stroke-width:2;fill:none;stroke-dasharray:6 8;animation:dash 5s linear infinite}
@keyframes dash{to{stroke-dashoffset:-140}}
@keyframes pp{0%,100%{transform:scale(1)}50%{transform:scale(1.25)}}
.panel-side{padding:18px;display:flex;flex-direction:column;gap:12px;background:#fff}
.stat{border:1px solid var(--line);border-radius:13px;padding:13px 15px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.stat .k{font-size:13px;color:var(--muted)}
.stat .v{font-size:13px;font-weight:680;color:var(--ink);display:inline-flex;align-items:center;gap:7px}
.stat .v:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 3px rgba(89,133,180,.15)}
.bars{display:flex;align-items:flex-end;gap:5px;height:46px;margin-top:auto;padding-top:8px}
.bars i{flex:1;background:var(--grad);border-radius:4px 4px 0 0;opacity:.85}
/* trust strip */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-soft)}
.trust .row{display:flex;flex-wrap:wrap;justify-content:center;gap:34px;padding:18px 24px;font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint)}
/* sections */
.sec{padding:96px 0}
.sec.alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-top{text-align:center;max-width:640px;margin:0 auto 52px}
.ey{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);font-weight:600;margin-bottom:14px}
h2{margin:0 0 14px;font-size:clamp(28px,3.6vw,44px);font-weight:780;letter-spacing:-.03em;line-height:1.08}
.sec-top p{margin:0;color:var(--muted);font-size:18px}
/* feature bento */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--rad-lg);padding:26px;box-shadow:var(--shadow-sm);transition:transform .22s,box-shadow .25s,border-color .2s}
.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.feat .ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;color:#fff;background:var(--grad);margin-bottom:16px;box-shadow:0 10px 22px -10px rgba(60,95,132,.7)}
.feat .ic svg{width:22px;height:22px}
.feat h3{margin:0 0 8px;font-size:19px;font-weight:700;letter-spacing:-.01em}
.feat p{margin:0;color:var(--muted);font-size:15.5px}
.feat.wide{grid-column:span 3;display:grid;grid-template-columns:1.1fr 1fr;gap:30px;align-items:center}
/* company / facts */
.cols{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.cols p{color:var(--ink-2);font-size:17px;margin:0 0 16px}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:6px}
.fact{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:20px;text-align:center;box-shadow:var(--shadow-sm)}
.fact .n{font-size:26px;font-weight:800;letter-spacing:-.02em}
.fact .l{font-size:13px;color:var(--muted);margin-top:4px}
/* CTA band */
.cta{position:relative;border-radius:var(--rad-xl);padding:56px;text-align:center;color:#fff;background:var(--grad);box-shadow:var(--shadow-lg);overflow:hidden}
.cta:after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);background-size:24px 24px;opacity:.4;-webkit-mask:radial-gradient(70% 70% at 50% 40%,#000,transparent);mask:radial-gradient(70% 70% at 50% 40%,#000,transparent)}
.cta h2{color:#fff;position:relative}
.cta p{color:rgba(255,255,255,.9);max-width:540px;margin:0 auto 26px;position:relative;font-size:18px}
.cta .btn{position:relative}
/* contact */
.contact{max-width:760px;margin:0 auto}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--rad-lg);padding:30px;box-shadow:var(--shadow)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .full{grid-column:span 2}
.input,select,textarea{width:100%;padding:13px 15px;border-radius:12px;border:1px solid var(--line-2);background:#fff;color:var(--ink);font:inherit;transition:border-color .2s,box-shadow .2s}
.input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(60,95,132,.13)}
textarea{min-height:130px;resize:vertical}
.check{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:13px}
.check input{margin-top:4px;accent-color:var(--brand)}
.check a{color:var(--brand)}
.anchor-alias{display:block;position:relative;top:-72px;height:0;width:0;overflow:hidden}
.card.mailcard{display:grid;justify-items:center;gap:14px;text-align:center;padding:36px 30px}
.contact .mailline{text-align:center;margin:0;color:var(--muted);font-size:14px}
.contact .mailline a{color:var(--brand);font-weight:600}
/* footer */
.footer{border-top:1px solid var(--line);background:var(--bg-soft);padding:54px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:30px}
.foot-brand img{height:28px;margin-bottom:14px}
.foot-brand p{color:var(--muted);font-size:14.5px;max-width:34ch;margin:0}
.foot-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--faint);margin:0 0 14px}
.foot-col a{display:block;color:var(--ink-2);font-size:14.5px;margin-bottom:9px}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);color:var(--faint);font-size:13px}
/* legal */
.legal{padding:70px 0 30px;max-width:880px;margin:0 auto}
.legal h1{font-size:clamp(32px,4vw,46px);text-align:left;max-width:none;margin-bottom:14px}
.legal .lead{color:var(--muted);font-size:18px;margin:0 0 26px}
.legal .id p{margin:0 0 8px;color:var(--ink-2)}
.legal .grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.legal .lc{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:20px;box-shadow:var(--shadow-sm)}
.legal .lc h2{font-size:17px;margin:0 0 9px}
.legal .lc p{margin:0;color:var(--muted);font-size:14.5px}
@media (prefers-reduced-motion:reduce){*{animation:none!important}}
@media(max-width:900px){
  .nav-mid{display:none}
  .panel-body{grid-template-columns:1fr}
  .panel-map{border-right:0;border-bottom:1px solid var(--line)}
  .bento{grid-template-columns:1fr}
  .feat.wide{grid-column:auto;grid-template-columns:1fr}
  .cols{grid-template-columns:1fr;gap:30px}
  .facts{grid-template-columns:repeat(3,1fr)}
  .form{grid-template-columns:1fr}
  .form .full{grid-column:auto}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .cta{padding:40px 24px}
  .sec{padding:64px 0}
}
@media(max-width:600px){
  .nav-in{justify-content:space-between;gap:12px}
  .nav-right>.btn{display:none}
  .brand img{height:26px}
  .lang a{padding:6px 7px}
}
@media(max-width:480px){.facts{grid-template-columns:1fr}}
/* ---- Drone-in-a-Box flagship ---- */
.flag{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:44px;align-items:center;
  background:linear-gradient(180deg,#ffffff,#f6f6f6);border:1px solid var(--line);border-radius:var(--rad-xl);
  padding:44px;box-shadow:var(--shadow-lg);overflow:hidden}
.flag:before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(120deg,rgba(60,95,132,.55),transparent 42%,transparent 68%,rgba(73,153,220,.45));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.55}
.flag>*{position:relative}
.flag .tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;color:var(--brand);background:rgba(60,95,132,.08);
  border:1px solid rgba(60,95,132,.2);border-radius:999px;padding:6px 12px;margin-bottom:18px}
.flag h2{margin:0 0 14px}
.flag .desc{color:var(--ink-2);font-size:17px;margin:0 0 22px;max-width:46ch}
.flag ul{list-style:none;margin:0 0 26px;padding:0;display:grid;gap:11px}
.flag li{display:flex;gap:11px;align-items:flex-start;color:var(--ink-2);font-size:15.5px}
.flag li svg{flex:0 0 auto;width:20px;height:20px;margin-top:1px;color:var(--brand)}
/* dock visual */
.dock{position:relative;aspect-ratio:1/.92;border-radius:var(--rad-lg);overflow:hidden;
  background:radial-gradient(120% 90% at 50% 0%,rgba(60,95,132,.12),transparent 60%),linear-gradient(180deg,#f6f6f6,#ececec);border:1px solid var(--line)}
.dock svg{position:absolute;inset:0;width:100%;height:100%}
.dock .drone{animation:hover 4.2s ease-in-out infinite;transform-origin:center}
@keyframes hover{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes spin{to{transform:rotate(360deg)}}
.dock .rotor{transform-box:fill-box;transform-origin:center;animation:spin .6s linear infinite}
.dock .sig{animation:sigp 2.6s ease-out infinite}
.dock .sig.s2{animation-delay:.5s}.dock .sig.s3{animation-delay:1s}
@keyframes sigp{0%{opacity:0}30%{opacity:.9}100%{opacity:0}}
.dock .g5{font:700 17px var(--mono);fill:#3c5f84;letter-spacing:1px}
.dock .lbl{font:600 11px var(--mono);fill:#585858;letter-spacing:.12em}
@media(max-width:900px){.flag{grid-template-columns:1fr;padding:28px}.dock{max-width:420px;margin:4px auto 0}}