/* JK4U Mavic Mapper – showcase & tutorial site */
:root{
  --bg:#05070d;--bg2:#0a0f1c;--panel:#0d1424;--panel2:#111a2f;--line:rgba(140,170,255,.14);
  --txt:#e8eefc;--mut:#8d9bb8;--cy:#22d3ff;--vi:#8b5cf6;--gr:#34d399;--am:#fbbf24;--rd:#f43f5e;
  --grad:linear-gradient(120deg,var(--cy),var(--vi));
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --sans:Inter,"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{overflow-x:clip;scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--txt);font-family:var(--sans);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;color:inherit}
::selection{background:var(--vi);color:#fff}
.wrap{width:min(1220px,100% - 40px);margin-inline:auto}
section{position:relative;padding:clamp(56px,8vw,104px) 0}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{font-family:var(--mono);font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cy);display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--cy)}
.eyebrow b{color:#fff;font-weight:700}
h1,h2,h3,h4{line-height:1.1;letter-spacing:-.02em}
h2{font-size:clamp(1.9rem,4.2vw,3.1rem);font-weight:800;margin-bottom:16px}
h3{font-size:1.2rem;font-weight:700}
.lead{color:var(--mut);font-size:clamp(1rem,1.4vw,1.15rem);max-width:64ch}
.center{text-align:center}.center .lead,.center .eyebrow{margin-inline:auto}
.head{margin-bottom:44px}
code,.mono{font-family:var(--mono)}
kbd{font-family:var(--mono);font-size:.78em;padding:2px 7px;border-radius:6px;border:1px solid var(--line);background:rgba(255,255,255,.05)}

#progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:120;box-shadow:0 0 12px var(--cy)}
#glow{position:fixed;width:520px;height:520px;border-radius:50%;pointer-events:none;z-index:0;left:0;top:0;background:radial-gradient(circle,rgba(34,211,255,.09),transparent 65%);opacity:0;transition:opacity .4s}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.45;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse at 50% 30%,#000 0,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 50% 30%,#000 0,transparent 70%)}
main,header,footer{position:relative;z-index:1}
main{overflow-x:clip}

/* nav */
nav.top{position:fixed;inset:0 0 auto 0;z-index:100;transition:.3s;border-bottom:1px solid transparent}
nav.top.scrolled{background:rgba(5,7,13,.78);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);border-color:var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800}
.brand img{width:38px;height:38px;filter:drop-shadow(0 0 12px rgba(34,211,255,.45))}
.brand small{display:block;font-family:var(--mono);font-size:.62rem;font-weight:500;color:var(--mut);letter-spacing:.16em;text-transform:uppercase;line-height:1}
.brand b{display:block;font-size:1.05rem;line-height:1.1}
.links{display:flex;gap:22px;align-items:center}
.links a.l{color:var(--mut);font-size:.9rem;font-weight:500;transition:color .2s;position:relative;white-space:nowrap}
.links a.l:hover{color:#fff}
.links a.l::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--grad);transition:width .25s}
.links a.l:hover::after{width:100%}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 22px;border-radius:14px;font-weight:700;font-size:.93rem;border:1px solid var(--line);color:#fff;background:rgba(255,255,255,.04);transition:transform .2s,box-shadow .3s,background .3s;cursor:pointer;position:relative;overflow:hidden}
.btn:hover{transform:translateY(-2px);background:rgba(255,255,255,.08)}
.btn.primary{background:var(--grad);border-color:transparent;box-shadow:0 8px 32px -6px rgba(99,102,241,.7)}
.btn.primary:hover{box-shadow:0 12px 42px -4px rgba(34,211,255,.65)}
.btn.primary::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);transform:translateX(-120%);animation:sheen 3.8s infinite}
@keyframes sheen{60%,100%{transform:translateX(120%)}}
.btn.big{padding:17px 32px;font-size:1.06rem;border-radius:18px}
.btn.sm{padding:8px 14px;font-size:.8rem;border-radius:10px}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:42px;height:42px;cursor:pointer}
.burger span{display:block;width:18px;height:2px;background:#fff;margin:4px auto}
@media(max-width:1060px){.links a.l:not(.keep){display:none}}
@media(max-width:860px){
  .burger{display:block}
  .links{position:fixed;inset:68px 0 auto 0;flex-direction:column;gap:0;background:rgba(5,7,13,.97);backdrop-filter:blur(18px);padding:10px 20px 24px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .35s;max-height:calc(100vh - 68px);overflow:auto}
  .links.open{transform:none}
  .links a.l,.links a.l:not(.keep){display:block;padding:13px 0;width:100%;border-bottom:1px solid var(--line);font-size:1.02rem}
  .links .btn{margin-top:16px;width:100%;justify-content:center}
}

/* chapter rail */
#rail{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:80;display:flex;flex-direction:column;gap:10px}
#rail a{position:relative;width:12px;height:12px;border-radius:50%;border:2px solid rgba(140,170,255,.4);background:var(--bg);transition:.25s}
#rail a span{position:absolute;right:22px;top:50%;transform:translateY(-50%);white-space:nowrap;font-family:var(--mono);font-size:.7rem;padding:4px 10px;border-radius:8px;background:rgba(13,20,36,.95);border:1px solid var(--line);opacity:0;pointer-events:none;transition:.2s}
#rail a:hover span{opacity:1}
#rail a.on{background:var(--cy);border-color:var(--cy);box-shadow:0 0 12px var(--cy);transform:scale(1.25)}
@media(max-width:1280px){#rail{display:none}}

/* hero */
.hero{min-height:100svh;display:flex;align-items:center;padding:120px 0 90px;overflow:hidden}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:240px;background:linear-gradient(transparent,var(--bg))}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:10px;padding:7px 14px 7px 8px;border-radius:99px;border:1px solid var(--line);background:rgba(13,20,36,.7);font-size:.82rem;color:var(--mut);margin-bottom:24px;backdrop-filter:blur(8px)}
.pill i{font-style:normal;background:var(--grad);color:#fff;font-weight:700;border-radius:99px;padding:2px 10px;font-size:.72rem;letter-spacing:.06em}
.hero h1{font-size:clamp(2.4rem,5.2vw,4.3rem);font-weight:900;margin-bottom:22px}
.hero h1 span{display:block}
.hero .lead{margin-bottom:30px}
.cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.trust{display:flex;flex-wrap:wrap;gap:10px 22px;color:var(--mut);font-size:.84rem;font-family:var(--mono)}
.trust span::before{content:"✓";color:var(--gr);margin-right:8px}
.shot{position:relative;border-radius:18px;border:1px solid var(--line);background:var(--panel);box-shadow:0 40px 120px -20px rgba(34,211,255,.25);transition:transform .15s ease-out}
.shot .bar{display:flex;gap:7px;padding:10px 14px;background:#0a0f1c;border-bottom:1px solid var(--line);align-items:center;border-radius:18px 18px 0 0}
.shot .bar i{width:10px;height:10px;border-radius:50%;background:#2a3550}
.shot .bar em{margin-left:10px;font-style:normal;font-family:var(--mono);font-size:.7rem;color:var(--mut)}
.shot img.pic{width:100%;height:auto;border-radius:0 0 18px 18px}
.hud{position:absolute;font-family:var(--mono);font-size:.72rem;padding:8px 12px;border-radius:10px;background:rgba(5,7,13,.85);border:1px solid var(--line);backdrop-filter:blur(8px);color:var(--cy);box-shadow:0 10px 30px -8px #000;animation:float 6s ease-in-out infinite}
.hud b{display:block;color:#fff;font-size:1rem}
.hud.a{left:-22px;top:16%}.hud.b{right:-16px;bottom:22%;animation-delay:-2s;color:var(--gr)}.hud.c{left:12%;bottom:-18px;animation-delay:-4s;color:var(--am)}
@keyframes float{50%{transform:translateY(-12px)}}
@media(max-width:940px){.hero .wrap{grid-template-columns:1fr}.hud.a{left:6px}.hud.b{right:6px}}
.marquee{border-block:1px solid var(--line);background:rgba(10,15,28,.6);overflow:hidden;padding:16px 0;position:relative;z-index:2}
.marquee .track{display:flex;gap:56px;width:max-content;animation:mq 42s linear infinite;font-family:var(--mono);font-size:.82rem;color:var(--mut);letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.marquee .track span::before{content:"◆";color:var(--cy);margin-right:56px;font-size:.6rem;vertical-align:middle}
@keyframes mq{to{transform:translateX(-50%)}}

/* reveal */
.rv{opacity:0;transform:translateY(36px);transition:opacity .85s cubic-bezier(.2,.7,.2,1),transform .85s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
.rv.l{transform:translateX(-46px)}.rv.r{transform:translateX(46px)}.rv.z{transform:scale(.94)}
.rv.in{opacity:1;transform:none}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-56px;position:relative;z-index:3}
.stat{padding:26px 20px;border-radius:20px;background:linear-gradient(180deg,rgba(20,30,52,.9),rgba(10,15,28,.9));border:1px solid var(--line);backdrop-filter:blur(10px);text-align:center}
.stat b{display:block;font-size:clamp(1.9rem,3.6vw,2.8rem);font-weight:900;font-family:var(--mono)}
.stat span{color:var(--mut);font-size:.86rem}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}

/* why */
.why{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(30px,6vw,84px);align-items:center}
.why p{color:var(--mut);margin-bottom:16px;font-size:1.04rem}
.why p strong{color:#fff}
.quote{margin-top:24px;padding:22px 26px;border-left:3px solid var(--cy);background:linear-gradient(90deg,rgba(34,211,255,.08),transparent);border-radius:0 16px 16px 0;font-size:1.12rem;color:#fff;font-weight:600}
.quote small{display:block;margin-top:8px;font-weight:500;color:var(--mut);font-family:var(--mono);font-size:.76rem}
.manifesto{display:grid;gap:12px}
.mf{display:flex;gap:16px;padding:20px;border-radius:18px;border:1px solid var(--line);background:rgba(13,20,36,.7);transition:transform .3s,border-color .3s}
.mf:hover{transform:translateX(8px);border-color:rgba(34,211,255,.5)}
.mf .ic{flex:none;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:rgba(34,211,255,.1);font-size:1.35rem}
.mf h3{font-size:1.05rem;margin-bottom:3px}.mf p{margin:0;font-size:.92rem}
@media(max-width:900px){.why{grid-template-columns:1fr}}

/* generic panels */
.panel{border-radius:22px;border:1px solid var(--line);background:linear-gradient(160deg,#0d1424,#070b14);padding:20px;position:relative;overflow:hidden}
.cap2{display:flex;justify-content:space-between;gap:10px;font-family:var(--mono);font-size:.72rem;color:var(--mut);margin-bottom:12px;flex-wrap:wrap}
.cap2 b{color:var(--cy)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,70px);align-items:center}
.split.flip>:first-child{order:2}
@media(max-width:900px){.split{grid-template-columns:1fr}.split.flip>:first-child{order:0}}
.checks{list-style:none;margin-top:22px;display:grid;gap:12px}
.checks li{display:flex;gap:12px;color:var(--mut)}
.checks li::before{content:"";flex:none;width:20px;height:20px;margin-top:3px;border-radius:50%;background:rgba(52,211,153,.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%2334d399' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/cover}
.checks li strong{color:#fff}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-family:var(--mono);font-size:.74rem;padding:7px 14px;border-radius:99px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--mut);cursor:pointer;transition:.2s}
.chip:hover{color:#fff}
.chip.on{background:rgba(34,211,255,.14);border-color:var(--cy);color:var(--cy)}
.tab{font-family:var(--sans);padding:11px 20px;border-radius:99px;border:1px solid var(--line);background:rgba(13,20,36,.7);color:var(--mut);font-weight:600;cursor:pointer;transition:.25s;font-size:.92rem}
.tab:hover{color:#fff}.tab.on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 28px -8px rgba(99,102,241,.8)}
.tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:0 0 30px}
.tag{font-family:var(--mono);font-size:.7rem;padding:4px 10px;border-radius:99px;border:1px solid var(--line);color:var(--mut);white-space:nowrap}
.tag.hi{color:var(--cy);border-color:rgba(34,211,255,.4)}

/* quick start */
.qs{display:grid;grid-template-columns:320px 1fr;gap:24px}
.qs-steps{display:grid;gap:10px;align-content:start}
.qs-step{display:flex;gap:14px;padding:16px 18px;border-radius:16px;border:1px solid var(--line);background:rgba(13,20,36,.6);cursor:pointer;transition:.25s;text-align:left;width:100%}
.qs-step b.n{flex:none;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);font-family:var(--mono);font-size:.85rem;color:var(--mut)}
.qs-step span{font-weight:700;display:block;line-height:1.25}
.qs-step small{color:var(--mut);font-size:.8rem}
.qs-step.on{border-color:var(--cy);background:rgba(34,211,255,.07)}
.qs-step.on b.n{background:var(--grad);color:#fff;border-color:transparent}
.qs-view{min-height:360px;display:grid;grid-template-rows:auto 1fr auto;gap:16px}
.qs-view h3{font-size:1.5rem}
.qs-view .art{border-radius:16px;border:1px solid var(--line);background:#070b14;overflow:hidden;min-height:230px;position:relative}
.qs-view .art svg{width:100%;height:100%;min-height:230px}
.qs-view p{color:var(--mut)}
.qs-prog{height:3px;border-radius:3px;background:var(--line);overflow:hidden}.qs-prog i{display:block;height:100%;width:0;background:var(--grad)}
@media(max-width:900px){.qs{grid-template-columns:1fr}.qs-steps{grid-template-columns:repeat(5,1fr)}.qs-step small,.qs-step span{display:none}.qs-step{justify-content:center;padding:12px}}

/* tour */
.tour{display:grid;grid-template-columns:1fr 340px;gap:22px;align-items:start}
.tourimg{position:relative}
.tourimg .shot{overflow:hidden}
.hot{position:absolute;width:30px;height:30px;margin:-15px 0 0 -15px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;font-size:.8rem;border:2px solid #fff;cursor:pointer;display:grid;place-items:center;box-shadow:0 0 0 0 rgba(34,211,255,.7);animation:pulse 2.4s infinite}
.hot.on{transform:scale(1.25);animation:none;box-shadow:0 0 0 6px rgba(34,211,255,.3),0 0 24px var(--cy)}
@keyframes pulse{70%{box-shadow:0 0 0 14px rgba(34,211,255,0)}100%{box-shadow:0 0 0 0 rgba(34,211,255,0)}}
.tipbox{position:sticky;top:90px}
.tipbox h3{font-size:1.4rem;margin-bottom:8px}
.tipbox p{color:var(--mut);font-size:.95rem}
.tipbox ul{margin:14px 0 0 18px;color:var(--mut);font-size:.9rem}.tipbox li{margin-bottom:6px}.tipbox li b{color:#fff}
.tipnav{display:flex;gap:8px;margin-top:18px}
@media(max-width:1000px){.tour{grid-template-columns:1fr}.tipbox{position:static}}

/* LAB */
.lab{display:grid;grid-template-columns:330px 1fr;gap:18px;align-items:start}
.ctl{display:grid;gap:14px;align-content:start}
.ctl .grp{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cy);margin-top:6px;padding-top:10px;border-top:1px solid var(--line)}
.ctl .grp:first-child{border:0;margin:0;padding:0}
.fld label{display:flex;justify-content:space-between;font-size:.82rem;color:var(--mut);margin-bottom:5px}
.fld label output{font-family:var(--mono);color:#fff}
.fld .seg{display:flex;gap:4px;flex-wrap:wrap}
.fld .seg button{flex:1;min-width:0;padding:7px 8px;border-radius:9px;border:1px solid var(--line);background:rgba(255,255,255,.03);font-size:.76rem;cursor:pointer;color:var(--mut);transition:.2s;white-space:nowrap}
.fld .seg button.on{background:rgba(34,211,255,.15);border-color:var(--cy);color:#fff}
select,input[type=number]{width:100%;padding:9px 10px;border-radius:10px;background:#0a1020;border:1px solid var(--line);color:#fff;font-family:inherit;font-size:.85rem}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:5px;border-radius:5px;background:linear-gradient(90deg,var(--cy) var(--p,50%),#1c2744 var(--p,50%));outline:none;cursor:pointer}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--cy);box-shadow:0 0 12px rgba(34,211,255,.6)}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--cy)}
.sw{display:flex;align-items:center;justify-content:space-between;font-size:.82rem;color:var(--mut);cursor:pointer}
.sw input{display:none}.sw i{width:38px;height:22px;border-radius:99px;background:#1c2744;position:relative;transition:.25s}
.sw i::after{content:"";position:absolute;left:3px;top:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:.25s}
.sw input:checked+i{background:var(--cy)}.sw input:checked+i::after{transform:translateX(16px)}
.view3d{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);background:radial-gradient(ellipse at 50% 20%,#0f1a33,#05070d 70%)}
.view3d canvas{width:100%;height:auto;aspect-ratio:16/10;touch-action:none;cursor:grab}
.view3d canvas:active{cursor:grabbing}
.vbar{position:absolute;left:0;right:0;bottom:0;display:flex;gap:10px;align-items:center;padding:10px 14px;background:linear-gradient(transparent,rgba(5,7,13,.92))}
.vbar button{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:rgba(13,20,36,.9);cursor:pointer;font-size:.9rem;flex:none}
.vbar input{flex:1}
.vbar .tm{font-family:var(--mono);font-size:.72rem;color:var(--mut);min-width:96px;text-align:right}
.vhint{position:absolute;top:10px;left:14px;font-family:var(--mono);font-size:.68rem;color:var(--mut);background:rgba(5,7,13,.7);padding:4px 10px;border-radius:8px}
.vleg{position:absolute;top:10px;right:14px;display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;max-width:60%}
.vleg span{font-family:var(--mono);font-size:.64rem;padding:3px 8px;border-radius:99px;background:rgba(5,7,13,.7);display:flex;align-items:center;gap:6px;color:var(--mut)}
.vleg span::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c)}
.outs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:12px}
.out{padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:rgba(13,20,36,.8)}
.out small{display:block;font-family:var(--mono);font-size:.62rem;letter-spacing:.12em;color:var(--mut);text-transform:uppercase}
.out b{font-family:var(--mono);font-size:1.08rem;color:#fff;transition:color .3s}
.out b.flash{color:var(--cy)}
.warns{margin-top:12px;display:grid;gap:6px}
.warn{display:flex;gap:10px;font-size:.8rem;padding:9px 12px;border-radius:10px;background:rgba(251,191,36,.07);border:1px solid rgba(251,191,36,.25);color:#f3dfa6;animation:pop .35s}
.warn.bad{background:rgba(244,63,94,.08);border-color:rgba(244,63,94,.35);color:#fbc3cc}
.warn.ok{background:rgba(52,211,153,.07);border-color:rgba(52,211,153,.3);color:#b6f0d8}
.warn::before{content:"⚠";flex:none}.warn.bad::before{content:"⛔"}.warn.ok::before{content:"✓"}
@keyframes pop{from{opacity:0;transform:translateY(6px)}}
.shape{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
@media(max-width:1000px){.lab{grid-template-columns:1fr}.outs{grid-template-columns:repeat(2,1fr)}}
.charts{display:grid;gap:6px;margin-top:12px}
.charts canvas{width:100%;height:56px;border-radius:10px;background:#070b14;border:1px solid var(--line)}
.charts label{font-family:var(--mono);font-size:.64rem;color:var(--mut);display:flex;justify-content:space-between;margin-bottom:2px}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mcard{display:flex;flex-direction:column;padding:24px;border-radius:24px;border:1px solid var(--line);background:linear-gradient(160deg,rgba(18,27,48,.9),rgba(8,12,22,.9));position:relative;overflow:hidden;transition:border-color .3s,transform .3s}
.mcard::before{content:"";position:absolute;inset:0;background:radial-gradient(500px circle at var(--mx,50%) var(--my,0%),rgba(34,211,255,.13),transparent 45%);opacity:0;transition:.3s}
.mcard:hover{border-color:rgba(34,211,255,.45);transform:translateY(-4px)}.mcard:hover::before{opacity:1}
.mcard>*{position:relative}
.mcard .num{font-family:var(--mono);font-size:.72rem;color:var(--cy);letter-spacing:.14em}
.mcard h3{font-size:1.35rem;margin:8px 0 8px}
.mcard p{color:var(--mut);font-size:.92rem;margin-bottom:12px}
.mcard ol{margin:0 0 16px 18px;color:var(--mut);font-size:.84rem}.mcard ol li{margin-bottom:3px}.mcard ol b{color:#fff}
.mcard .tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.mcard .btn{margin-top:auto;justify-content:center}
.mcard svg.ic{height:84px;width:100%;margin-bottom:6px}
@media(max-width:1000px){.gal{grid-template-columns:1fr 1fr}}@media(max-width:640px){.gal{grid-template-columns:1fr}}

/* presets */
.ptools{display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:space-between;margin-bottom:22px}
.ptools input[type=search]{width:min(320px,100%);padding:11px 14px;border-radius:12px;background:#0a1020;border:1px solid var(--line);color:#fff;font-family:inherit}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.pgroup{grid-column:1/-1;font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mut);margin-top:12px;display:flex;align-items:center;gap:12px}
.pgroup::after{content:"";flex:1;height:1px;background:var(--line)}
.pc{padding:16px 18px;border-radius:16px;border:1px solid var(--line);background:rgba(13,20,36,.7);cursor:pointer;transition:.25s;text-align:left;display:block;width:100%}
.pc:hover{border-color:rgba(139,92,246,.6);transform:translateY(-3px);background:rgba(20,28,52,.9)}
.pc .mt{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;display:flex;align-items:center;gap:6px;margin-bottom:6px}
.pc .mt::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c)}
.pc b{display:block;font-size:.98rem;line-height:1.25;margin-bottom:4px}
.pc small{color:var(--mut);font-size:.78rem;line-height:1.35;display:block}
.pdetail{margin-top:20px;display:none;border-radius:20px;border:1px solid rgba(34,211,255,.4);background:linear-gradient(160deg,#0d1424,#080c18);padding:22px;animation:pop .35s}
.pdetail.on{display:grid;grid-template-columns:1.2fr 1fr;gap:22px}
.pdetail h3{font-size:1.4rem;margin-bottom:6px}
.pdetail p{color:var(--mut);font-size:.92rem;margin-bottom:12px}
.ptable{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px;font-size:.84rem}
.ptable div{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding:4px 0;color:var(--mut)}
.ptable div b{color:#fff;font-family:var(--mono);font-weight:600}
@media(max-width:800px){.pdetail.on{grid-template-columns:1fr}}

/* cameras */
.cams{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:22px}
.cam{padding:22px;border-radius:22px;border:1px solid var(--line);background:rgba(13,20,36,.7);position:relative;overflow:hidden}
.cam .zoom{position:absolute;right:16px;top:8px;font-size:3.2rem;font-weight:900;font-family:var(--mono);opacity:.08}
.cam h3{margin-bottom:2px}.cam .d{color:var(--mut);font-size:.82rem;margin-bottom:14px;font-family:var(--mono)}
.cam .row{display:flex;justify-content:space-between;font-size:.84rem;padding:5px 0;border-bottom:1px dashed var(--line);color:var(--mut)}
.cam .row b{color:#fff;font-family:var(--mono);font-weight:600}
.cam .bar{height:6px;border-radius:6px;background:#1c2744;margin-top:12px;overflow:hidden}.cam .bar i{display:block;height:100%;background:var(--grad);transition:width .5s}
@media(max-width:900px){.cams{grid-template-columns:1fr}}

/* light lab */
.meter{height:14px;border-radius:99px;background:linear-gradient(90deg,#0ea5e9,#22c55e 40%,#22c55e 60%,#f43f5e);position:relative;margin:10px 0 4px}
.meter i{position:absolute;top:-4px;width:6px;height:22px;border-radius:4px;background:#fff;box-shadow:0 0 12px #fff;transition:left .4s}
.meterlab{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.62rem;color:var(--mut)}
.recbox{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0}
@media(max-width:700px){.recbox{grid-template-columns:repeat(2,1fr)}}

/* terrain etc */
.explain{display:grid;gap:12px}
.xcard{padding:18px 20px;border-radius:16px;border:1px solid var(--line);background:rgba(13,20,36,.6)}
.xcard h4{font-size:1rem;margin-bottom:4px}.xcard p{color:var(--mut);font-size:.9rem}
.feed{display:grid;gap:8px;max-height:430px;overflow:auto}
.fix{margin-left:auto;flex:none;font-family:var(--mono);font-size:.68rem;font-weight:700;padding:3px 10px;border-radius:8px;border:0;background:var(--cy);color:#04121a;cursor:pointer}
.warn.done{background:rgba(52,211,153,.07);border-color:rgba(52,211,153,.3);color:#b6f0d8}.warn.done::before{content:"✓"}
.warn.done .fix{background:transparent;border:1px solid var(--gr);color:var(--gr)}
svg text{font-family:var(--mono)}

/* pack */
.bats{display:grid;gap:10px;margin-top:14px}
.bat{display:flex;align-items:center;gap:12px}
.bat>b{font-family:var(--mono);font-size:.74rem;width:62px;color:var(--mut);flex:none}
.bat .cell{flex:1;display:flex;height:34px;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:#070b14;position:relative}
.bat .cell i{display:grid;place-items:center;font-style:normal;font-family:var(--mono);font-size:.68rem;color:#04121a;font-weight:700;transition:width .6s;white-space:nowrap;overflow:hidden}
.bat .cell::after{content:"";position:absolute;right:0;top:0;bottom:0;width:2px;background:var(--rd);opacity:.8}
.bat em{font-family:var(--mono);font-size:.7rem;color:var(--mut);font-style:normal;width:56px;text-align:right}
.wpline{display:flex;flex-wrap:wrap;gap:5px;margin:14px 0}
.wpd{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-family:var(--mono);font-size:.58rem;background:#1c2744;color:var(--mut);transition:.25s;border:1px solid transparent;cursor:pointer}
.wpd.skip{opacity:.3}.wpd.run{background:var(--cy);color:#04121a}.wpd.back{background:var(--am);color:#1a1200}.wpd.last{border-color:#fff;box-shadow:0 0 12px var(--cy)}

/* export */
.term{background:#04070d;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.term .tb{display:flex;gap:8px;align-items:center;padding:10px 14px;background:#0a0f1c;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:.72rem;color:var(--mut);flex-wrap:wrap}
.term .tb button{padding:5px 12px;border-radius:8px;border:1px solid var(--line);background:transparent;cursor:pointer;font-family:var(--mono);font-size:.7rem;color:var(--mut)}
.term .tb button.on{background:rgba(34,211,255,.15);border-color:var(--cy);color:#fff}
.term pre{padding:18px;font-family:var(--mono);font-size:.76rem;line-height:1.55;color:#b9c8e8;overflow:auto;max-height:480px;white-space:pre;tab-size:2}
.term pre .k{color:var(--cy)}.term pre .w{color:var(--am)}.term pre .g{color:var(--gr)}

/* customize */
.sw-row{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0 18px}
.swatch{width:40px;height:40px;border-radius:50%;border:3px solid transparent;cursor:pointer;transition:.2s;background:var(--c)}
.swatch.on{border-color:#fff;box-shadow:0 0 18px var(--c)}
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat{padding:26px;border-radius:22px;border:1px solid var(--line);background:rgba(13,20,36,.6);transition:transform .3s,border-color .3s,background .3s}
.feat:hover{transform:translateY(-6px);border-color:rgba(139,92,246,.55);background:rgba(20,28,52,.8)}
.feat .ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--grad);margin-bottom:16px;font-size:1.3rem;box-shadow:0 8px 24px -8px rgba(99,102,241,.8)}
.feat h3{margin-bottom:6px;font-size:1.08rem}.feat p{color:var(--mut);font-size:.92rem}
@media(max-width:940px){.fgrid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.fgrid{grid-template-columns:1fr}}
.cheat{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cheat .xcard table{width:100%;border-collapse:collapse;font-size:.84rem;margin-top:8px}
.cheat td{padding:6px 0;border-bottom:1px dashed var(--line);color:var(--mut)}.cheat td:last-child{text-align:right;color:#fff;font-family:var(--mono)}
@media(max-width:900px){.cheat{grid-template-columns:1fr}}

/* coming */
.soon{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.sc{padding:26px;border-radius:24px;border:1px dashed rgba(139,92,246,.5);background:rgba(139,92,246,.05);position:relative}
.sc em{font-style:normal;font-family:var(--mono);font-size:.68rem;color:var(--am);letter-spacing:.14em;text-transform:uppercase}
.sc h3{margin:8px 0 8px;font-size:1.3rem}.sc p{color:var(--mut);font-size:.92rem;margin-bottom:10px}
.sc ul{margin-left:18px;color:var(--mut);font-size:.86rem}.sc li{margin-bottom:3px}.sc li b{color:#fff}
@media(max-width:760px){.soon{grid-template-columns:1fr}}

/* faq */
.faq{max-width:860px;margin:0 auto;display:grid;gap:10px}
.faq details{border:1px solid var(--line);border-radius:16px;background:rgba(13,20,36,.6);padding:0 20px;transition:.25s}
.faq details[open]{border-color:rgba(34,211,255,.4)}
.faq summary{list-style:none;cursor:pointer;padding:18px 0;font-weight:700;display:flex;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--cy);font-size:1.3rem;line-height:1;transition:.25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--mut);padding-bottom:18px;font-size:.94rem}

/* private + download */
.private{text-align:center;overflow:hidden}
.private h2{font-size:clamp(2rem,5.4vw,4.2rem)}
.orb{position:relative;width:min(340px,76vw);aspect-ratio:1;margin:44px auto 0}
.orb .core{position:absolute;inset:34%;border-radius:50%;background:radial-gradient(circle at 30% 30%,#fff,var(--cy) 30%,var(--vi) 80%);box-shadow:0 0 80px 10px rgba(34,211,255,.5);display:grid;place-items:center;font-size:2.2rem}
.orb .ring{position:absolute;inset:0;border-radius:50%;border:1px solid rgba(34,211,255,.35);animation:spin 18s linear infinite}
.orb .ring:nth-child(2){inset:12%;border-color:rgba(139,92,246,.45);animation-duration:12s;animation-direction:reverse}
.orb .ring:nth-child(3){inset:-14%;border-style:dashed;border-color:rgba(255,255,255,.14);animation-duration:30s}
.orb .ring::after{content:"";position:absolute;top:-5px;left:50%;width:10px;height:10px;border-radius:50%;background:var(--cy);box-shadow:0 0 14px var(--cy)}
@keyframes spin{to{transform:rotate(360deg)}}
.pills{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:50px}
.pills span{padding:10px 18px;border-radius:99px;border:1px solid var(--line);background:rgba(13,20,36,.8);font-size:.9rem}
.pills span b{color:var(--gr);margin-right:8px}
.dlbox{position:relative;border-radius:36px;padding:clamp(32px,6vw,72px);text-align:center;overflow:hidden;border:1px solid rgba(34,211,255,.35);background:radial-gradient(900px circle at 50% -20%,rgba(139,92,246,.35),transparent 60%),radial-gradient(700px circle at 100% 120%,rgba(34,211,255,.22),transparent 60%),#080c18}
.dlbox::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%);-webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%);opacity:.6}
.dlbox>*{position:relative}
.dlbox img.lg{width:100px;height:100px;margin:0 auto 22px;filter:drop-shadow(0 0 30px rgba(34,211,255,.6));animation:float 6s ease-in-out infinite}
.dlbox h2{font-size:clamp(2.1rem,5vw,3.8rem)}
.free{display:inline-block;font-family:var(--mono);font-size:.76rem;letter-spacing:.14em;padding:6px 14px;border-radius:99px;background:rgba(52,211,153,.14);color:var(--gr);border:1px solid rgba(52,211,153,.4);margin-bottom:16px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:44px;text-align:left}
.steps div{padding:18px 20px;border-radius:18px;background:rgba(5,7,13,.7);border:1px solid var(--line)}
.steps b{font-family:var(--mono);color:var(--cy);font-size:.8rem}.steps p{color:var(--mut);font-size:.9rem;margin-top:5px}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.note{margin-top:24px;color:var(--mut);font-size:.8rem;max-width:72ch;margin-inline:auto}
footer{border-top:1px solid var(--line);padding:46px 0 40px;color:var(--mut);font-size:.88rem}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;align-items:center}
.foot .brand{color:#fff}.foot a:hover{color:#fff}
.fnav{display:flex;gap:20px;flex-wrap:wrap}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.3;pointer-events:none;z-index:-1}
.parallax{will-change:transform}
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,40px);background:rgba(13,20,36,.96);border:1px solid var(--cy);padding:12px 20px;border-radius:14px;font-size:.88rem;z-index:130;opacity:0;transition:.4s;pointer-events:none;max-width:90vw}
.toast.on{opacity:1;transform:translate(-50%,0)}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}html{scroll-behavior:auto}.rv{opacity:1;transform:none}}

/* ===== v2.1 additions: SEO kicker, USB flagship, manual guide, reference ===== */
.kicker{display:block;font-family:var(--mono);font-size:clamp(.72rem,1.05vw,.88rem);font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--cy);margin-bottom:14px;line-height:1.5}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.flag{display:inline-flex;gap:8px;align-items:center;font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;padding:6px 14px;border-radius:99px;background:linear-gradient(90deg,rgba(251,191,36,.18),rgba(244,114,182,.18));border:1px solid rgba(251,191,36,.5);color:#fde68a;margin-bottom:16px}
.pipe{position:relative;border-radius:24px;border:1px solid rgba(34,211,255,.35);background:radial-gradient(600px 300px at 50% 0,rgba(34,211,255,.12),transparent 70%),linear-gradient(160deg,#0d1424,#070b14);padding:20px;overflow:hidden}
.pipe svg{width:100%;height:auto;display:block}
.pipe .pk{animation:pk 2.8s linear infinite}.pipe .pk:nth-of-type(2){animation-delay:.9s}.pipe .pk:nth-of-type(3){animation-delay:1.8s}
@keyframes pk{0%{transform:translateX(0);opacity:0}10%{opacity:1}90%{opacity:1}100%{transform:translateX(150px);opacity:0}}
.st6{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px;counter-reset:s}
.st6>div{counter-increment:s;padding:22px;border-radius:20px;border:1px solid var(--line);background:linear-gradient(160deg,rgba(18,27,48,.9),rgba(8,12,22,.9));position:relative;transition:.3s}
.st6>div:hover{border-color:rgba(34,211,255,.5);transform:translateY(-4px)}
.st6>div::before{content:counter(s,decimal-leading-zero);font-family:var(--mono);font-weight:800;font-size:2.2rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:6px}
.st6 h3{font-size:1.1rem;margin-bottom:6px}.st6 p{color:var(--mut);font-size:.9rem}
.st6 code,.mstep code,.ways code{background:#0b1222;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:.82em;color:#a5d8ff;word-break:break-all}
.ways{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.way{padding:24px;border-radius:22px;border:1px solid var(--line);background:rgba(13,20,36,.7);position:relative}
.way.rec{border-color:rgba(34,211,255,.6);box-shadow:0 0 40px -12px rgba(34,211,255,.4)}
.way em{position:absolute;right:16px;top:14px;font-style:normal;font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;background:var(--cy);color:#04121a;padding:3px 10px;border-radius:99px;font-weight:700}
.way h3{font-size:1.15rem;margin-bottom:6px}.way p,.way li{color:var(--mut);font-size:.88rem}.way ul{margin:10px 0 0 18px}
.cmp{width:100%;border-collapse:collapse;margin-top:26px;font-size:.92rem;border-radius:16px;overflow:hidden}
.cmp th,.cmp td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.cmp th{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mut);background:#0b1222}
.cmp td:last-child{color:#a7f3d0}.cmp td:nth-child(2){color:var(--mut)}
.cmpw{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:rgba(10,15,28,.7)}
.cmpw .cmp{margin:0;min-width:520px}
.mlist{counter-reset:m;display:grid;gap:14px;margin-top:30px}
.mstep{counter-increment:m;display:grid;grid-template-columns:52px 1fr;gap:16px;padding:20px;border-radius:18px;border:1px solid var(--line);background:rgba(13,20,36,.65)}
.mstep::before{content:counter(m);width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--grad);font-weight:800;font-family:var(--mono)}
.mstep h3{font-size:1.05rem;margin-bottom:4px}.mstep p{color:var(--mut);font-size:.92rem}
.pathbox{display:flex;gap:10px;align-items:center;margin-top:10px;padding:10px 12px;border-radius:12px;background:#070b14;border:1px solid var(--line);font-family:var(--mono);font-size:.8rem;color:#a5d8ff;overflow-x:auto}
.pathbox code{background:none;border:0;padding:0;white-space:nowrap}
.pathbox button{margin-left:auto;flex:none;font-family:var(--mono);font-size:.68rem;padding:4px 10px;border-radius:8px;border:1px solid var(--line);background:#101a31;color:#fff;cursor:pointer}
.pathbox button:hover{border-color:var(--cy)}
.callout{margin-top:22px;padding:16px 20px;border-radius:16px;border:1px solid rgba(251,191,36,.4);background:rgba(251,191,36,.07);color:#fde68a;font-size:.9rem}
.callout b{color:#fff}
.srcs{margin-top:22px;color:var(--mut);font-size:.84rem}.srcs a{color:var(--cy);text-decoration:underline;text-underline-offset:3px}
.ref{columns:3 260px;column-gap:28px;margin-top:20px}
.ref h3{font-size:1rem;color:var(--cy);margin:18px 0 6px;break-after:avoid}
.ref ul{list-style:none;margin:0;padding:0}.ref li{font-size:.86rem;color:var(--mut);padding:3px 0;break-inside:avoid}.ref li b{color:#fff;font-weight:600}
.refx{margin-top:14px}.refx details{border:1px solid var(--line);border-radius:14px;background:rgba(13,20,36,.6);margin-bottom:10px;padding:0 18px}
.refx summary{cursor:pointer;padding:14px 0;font-weight:700}.refx ol{margin:0 0 14px 20px;color:var(--mut);font-size:.9rem;display:grid;gap:6px}.refx ol b{color:#fff}
@media(max-width:900px){.st6,.ways{grid-template-columns:1fr}}
@media(max-width:700px){.mstep{grid-template-columns:1fr}.mstep::before{width:36px;height:36px}}
.pipe .pk{animation:pk 2.8s linear infinite}.pipe .pk2{animation:pk2 2.8s linear infinite}.pipe .pk2:nth-of-type(5){animation-delay:1.4s}
@keyframes pk{0%{transform:translateX(0);opacity:0}10%{opacity:1}90%{opacity:1}100%{transform:translateX(230px);opacity:0}}
@keyframes pk2{0%{transform:translateX(0);opacity:0}10%{opacity:1}90%{opacity:1}100%{transform:translateX(30px);opacity:0}}
.fld .seg{flex-wrap:wrap}.fld .seg button{flex:1 1 auto}