/* SkyTrack site — visual layer (loads after the base styles in index.html) */
@property --ang{syntax:"<angle>";inherits:false;initial-value:0deg}
:root{--ease:cubic-bezier(.2,.8,.2,1);--glass:color-mix(in srgb,var(--panel) 90%,transparent);--ring:color-mix(in srgb,var(--accent) 34%,var(--line));--blue:59,130,246}
html{scroll-padding-top:96px}
body{background:var(--bg);position:relative}
::selection{background:var(--accent);color:var(--accent-ink)}

/* ---------- background: network canvas, aurora, grid ---------- */
.sky{display:none}
#net{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.9}
.aurora{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.aurora i{position:absolute;border-radius:50%;opacity:.5}
.aurora i:nth-child(1){width:620px;height:620px;left:-140px;top:-120px;background:radial-gradient(closest-side,rgba(245,196,49,.34),transparent);}
.aurora i:nth-child(2){width:720px;height:720px;right:-220px;top:18%;background:radial-gradient(closest-side,rgba(var(--blue),.2),transparent);}
.aurora i:nth-child(3){width:560px;height:560px;left:24%;bottom:-260px;background:radial-gradient(closest-side,rgba(245,120,49,.2),transparent);}
@keyframes drift1{to{transform:translate(160px,120px) scale(1.15)}}
@keyframes drift2{to{transform:translate(-180px,100px) scale(1.1)}}
@keyframes drift3{to{transform:translate(140px,-90px) scale(1.2)}}
:root[data-theme=light] .aurora i{opacity:.32}
@media (prefers-color-scheme:light){:root:not([data-theme=dark]) .aurora i{opacity:.32}}
body::after{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;-webkit-mask-image:radial-gradient(ellipse at 50% 20%,#000 0,transparent 70%);mask-image:radial-gradient(ellipse at 50% 20%,#000 0,transparent 70%);opacity:.22}
header,main,footer,.topbar{position:relative;z-index:1}

.progress{position:fixed;left:0;top:0;height:3px;width:100%;z-index:100;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--accent),var(--g2),var(--accent));box-shadow:0 0 14px var(--accent)}
.cursor-glow{position:fixed;left:0;top:0;width:520px;height:520px;margin:-260px 0 0 -260px;border-radius:50%;pointer-events:none;z-index:0;
  background:radial-gradient(closest-side,color-mix(in srgb,var(--accent) 16%,transparent),transparent);opacity:0;transition:opacity .4s;will-change:transform}
.cursor-glow.on{opacity:1}

/* ---------- header: floating pill ---------- */
.topbar{background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--accent) 14%,var(--bar)),transparent);border-bottom:0}
header{position:sticky;top:10px;z-index:50;background:none;border:0;-webkit-margin-top:10px}
header .wrap{height:58px;border:1px solid var(--line);border-radius:18px;padding:0 10px 0 18px;max-width:1100px;
  background:color-mix(in srgb,var(--bg) 92%,transparent);-webkit-
  box-shadow:0 10px 40px -12px var(--shadow);transition:border-color .3s,box-shadow .3s}
header.stuck .wrap{border-color:var(--ring);box-shadow:0 16px 50px -14px var(--shadow),0 0 0 1px color-mix(in srgb,var(--accent) 8%,transparent)}
.logo img{filter:drop-shadow(0 0 10px var(--glow));transition:transform .5s var(--ease)}
.logo:hover img{transform:rotate(-8deg) scale(1.1)}
nav a.l{position:relative;margin:0 2px;padding:8px 12px;border-radius:10px;transition:color .2s,background .2s}
nav a.l:hover{background:color-mix(in srgb,var(--text) 7%,transparent)}
nav a.l.act{color:var(--accent);background:var(--glow)}
@media (max-width:820px){header .wrap{padding:0 8px 0 14px}}

/* ---------- hero ---------- */
.hero{padding:84px 0 24px}
.hero::before{width:1200px;height:700px;top:-120px;background:radial-gradient(closest-side,color-mix(in srgb,var(--accent) 22%,transparent),transparent 75%)}
.badge{background:var(--glass);-webkit-border-color:var(--ring);padding:7px 16px;box-shadow:0 0 30px -8px var(--glow);animation:rise .9s var(--ease) both}
h1{font-size:clamp(42px,8.2vw,96px);line-height:1;letter-spacing:-.035em;margin-bottom:24px;animation:rise 1s .08s var(--ease) both}
h1 .p{display:inline-block;background:linear-gradient(180deg,var(--text) 30%,color-mix(in srgb,var(--text) 55%,transparent));-webkit-background-clip:text;background-clip:text;color:transparent}
h1 .g{background:linear-gradient(100deg,var(--g1),var(--accent) 30%,#fff7d1 50%,var(--accent) 70%,var(--g1));background-size:220% 100%;background-position:30% 0;-webkit-background-clip:text;background-clip:text;color:transparent}
@keyframes shine{to{background-position:-220% 0}}
.lead{font-size:clamp(17px,2.2vw,21px);animation:rise 1s .16s var(--ease) both}
.hero .btns{animation:rise 1s .24s var(--ease) both}
.trust{animation:rise 1s .3s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}

.btn{border-radius:12px;transition:transform .25s var(--ease),filter .25s,box-shadow .25s,border-color .25s,background .25s}
.btn.primary{background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 92%,#fff),var(--accent));position:relative;overflow:hidden;box-shadow:0 10px 34px -6px color-mix(in srgb,var(--accent) 60%,transparent),inset 0 1px 0 rgba(255,255,255,.45)}
.btn.primary::after{content:"";position:absolute;top:0;bottom:0;width:60%;left:0;background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:translateX(-160%) skewX(-20deg);animation:sweepbtn 5s 1.4s ease-in-out infinite;will-change:transform}
@keyframes sweepbtn{0%{transform:translateX(-160%) skewX(-20deg)}35%,100%{transform:translateX(260%) skewX(-20deg)}}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 16px 44px -6px color-mix(in srgb,var(--accent) 75%,transparent),inset 0 1px 0 rgba(255,255,255,.5)}
.btn:not(.primary){background:var(--glass);-webkit-}
.btn.ghost:hover,.btn:not(.primary):hover{border-color:var(--accent);color:var(--accent)}
.dlsplit .btn.primary:first-child{border-radius:12px 0 0 12px}.dlsplit .btn.dd{border-radius:0 12px 12px 0}

/* stage: tilting frame, glowing rim, floating HUD chips */
.stage{position:relative;max-width:1060px;margin:64px auto 0;perspective:1600px}
.stage::before{content:"";position:absolute;inset:-2px;border-radius:18px;z-index:-1;opacity:.4;
  background:linear-gradient(120deg,color-mix(in srgb,var(--accent) 60%,transparent),transparent 40%,rgba(var(--blue),.5))}
@keyframes spin{to{--ang:360deg}}
.stage .frame{margin:0;transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .5s var(--ease);transform-style:preserve-3d;border-color:var(--ring);
  box-shadow:0 50px 120px -20px var(--shadow),0 0 0 1px rgba(255,255,255,.04),inset 0 1px 0 rgba(255,255,255,.08)}
.stage.tilting .frame{transition:transform .08s linear}
.frame .top{background:linear-gradient(180deg,rgba(255,255,255,.05),transparent)}
.chip3d{position:absolute;z-index:3;display:flex;align-items:center;gap:12px;padding:12px 16px;border:1px solid var(--ring);border-radius:16px;background:var(--glass);
  -webkit-box-shadow:0 24px 60px -16px var(--shadow);text-align:left;font-size:13px;color:var(--muted);line-height:1.35}
.chip3d b{display:block;color:var(--text);font:800 17px Cambria,Georgia,serif;letter-spacing:.01em}
.chip3d .ic{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;flex:none;font-size:18px;background:var(--glow);color:var(--accent)}
.chip3d.c1{left:-44px;top:20%;animation:bob 6s ease-in-out infinite}
.chip3d.c2{right:-38px;top:44%;animation:bob 7s -2s ease-in-out infinite}
.chip3d.c3{left:8%;bottom:-28px;animation:bob 8s -4s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-12px)}}
.chip3d .led{width:12px;height:12px;border-radius:50%;flex:none;box-shadow:0 0 0 0 currentColor;animation:ping2 2s infinite}
.led.g{background:#4ade80;color:rgba(74,222,128,.55)}.led.y{background:#facc15;color:rgba(250,204,21,.55)}.led.r{background:#f87171;color:rgba(248,113,113,.55)}
@keyframes ping2{70%{box-shadow:0 0 0 9px transparent}100%{box-shadow:0 0 0 0 transparent}}
@media (max-width:1180px){.chip3d.c1{left:8px}.chip3d.c2{right:8px}}
@media (max-width:760px){.chip3d{display:none}.stage{margin-top:40px}}
.cap{text-align:center;margin-top:40px}

/* stats */
.stats{gap:14px;background:none;border:0;border-radius:0;overflow:visible;margin-top:64px}
.stats div{border:1px solid var(--line);border-radius:18px;background:var(--glass);-webkit-padding:26px 16px;position:relative;overflow:hidden;transition:transform .35s var(--ease),border-color .3s}
.stats div:hover{transform:translateY(-4px);border-color:var(--ring)}
.stats div::before,.card::before,.box::before,.nw::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%),color-mix(in srgb,var(--accent) 16%,transparent),transparent 70%)}
.stats div:hover::before,.card:hover::before,.box:hover::before,.nw:hover::before{opacity:1}
.stats b{font-size:clamp(28px,4vw,40px);background:linear-gradient(180deg,var(--g2),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.01em}

/* ---------- sections ---------- */
section{padding:104px 0;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:28px;height:2px;border-radius:2px;background:linear-gradient(90deg,transparent,var(--accent))}
h2{font-size:clamp(32px,5.2vw,54px);letter-spacing:-.025em;line-height:1.08;margin-bottom:16px}
.sub{font-size:18px}
#turbulence .wrap>.eyebrow{display:flex;justify-content:center}
#turbulence .wrap>.eyebrow,#turbulence .wrap>h2,#turbulence .wrap>.sub{text-align:center;margin-left:auto;margin-right:auto}
#turbulence .sub{max-width:700px}

/* radar widget */
.radar{position:relative;margin:0 auto 22px;max-width:960px;border:1px solid var(--ring);border-radius:24px;overflow:hidden;
  background:radial-gradient(120% 140% at 50% 0,color-mix(in srgb,var(--accent) 8%,var(--panel)),var(--panel));box-shadow:0 40px 100px -30px var(--shadow)}
.radar svg{display:block;width:100%;height:auto}
.radar .hud{position:absolute;left:18px;top:16px;display:flex;align-items:center;gap:12px;padding:9px 14px;border-radius:14px;border:1px solid var(--line);background:var(--glass);-webkit-font:700 13px ui-monospace,Consolas,monospace;color:var(--muted);letter-spacing:.04em}
.radar .hud b{color:var(--text);font-size:15px}
.radar .hud .led{width:12px;height:12px;border-radius:50%;transition:background .4s,color .4s;background:#4ade80;color:rgba(74,222,128,.55);animation:ping2 2s infinite}
.radar .zone{transition:opacity .4s}
.radar .gridl{stroke:var(--line);stroke-width:1;stroke-dasharray:3 7}
.grid .card.hot,.grid.c3 .card.hot{border-color:var(--hc);box-shadow:0 0 0 1px var(--hc),0 20px 60px -20px var(--hc);transform:translateY(-4px)}
#turbulence .card{transition:border-color .4s,box-shadow .4s,transform .4s var(--ease);text-align:left}

/* feature groups */
.group-title{margin:96px 0 44px;font-size:12px;color:var(--text)}
.group-title::before{content:attr(data-n);display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--glow);color:var(--accent);border:1px solid var(--ring);font:800 13px ui-monospace,Consolas,monospace;letter-spacing:0}
.group-title::after{background:linear-gradient(90deg,var(--ring),transparent)}
.feat{gap:64px;margin-bottom:110px}
.feat .txt h3{font-size:clamp(26px,3.4vw,36px);letter-spacing:-.02em}
.feat .txt p{font-size:17px}
.feat li{padding-top:6px;padding-bottom:6px}
.feat li::before{border-color:var(--accent);filter:drop-shadow(0 0 6px var(--glow))}
.tag{border:1px solid var(--ring);background:var(--glow);padding:5px 12px}
.shotwrap{position:relative;perspective:1400px}
.shotwrap::before{content:"";position:absolute;inset:-6% -4%;z-index:-1;border-radius:50%;background:radial-gradient(closest-side,color-mix(in srgb,var(--accent) 26%,transparent),transparent);opacity:.55;transition:opacity .5s}
.shotwrap:hover::before{opacity:.95}
.shotbox{border-radius:18px;border-color:var(--ring);transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .5s var(--ease),box-shadow .4s;
  box-shadow:0 36px 90px -24px var(--shadow),inset 0 1px 0 rgba(255,255,255,.07)}
.shotwrap.tilting .shotbox{transition:transform .08s linear}
.shotbox::after{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;background:linear-gradient(115deg,rgba(255,255,255,.1),transparent 38%)}
.shotbox{position:relative}
.shotbox.narrow{max-width:380px}
@media (max-width:900px){.feat,.feat.rev{gap:30px;margin-bottom:76px}}

/* cards */
.grid{gap:16px}
.card{position:relative;overflow:hidden;border-radius:18px;padding:24px;background:var(--glass);-webkit-transition:border-color .3s,transform .4s var(--ease),box-shadow .4s}
.card:hover{transform:translateY(-5px);border-color:var(--ring);box-shadow:0 26px 60px -26px var(--shadow)}
.card>*{position:relative}
.card h3{color:var(--text);font-size:17px;margin-bottom:8px}
.card p{font-size:14.5px;line-height:1.6}
.ci{display:flex;align-items:center;width:46px;height:30px;margin-bottom:14px;color:var(--accent)}
.ci svg{width:100%;height:100%;overflow:visible}
.card:hover .ci .pl{transform:translateX(5px)}
.ci .pl{transition:transform .5s var(--ease)}
.ci .d{opacity:.2;transition:opacity .4s}
.card:hover .ci .d{opacity:1}
.ci .d:nth-child(2){transition-delay:.05s}.ci .d:nth-child(3){transition-delay:.1s}

/* what's new */
.nw{position:relative;overflow:hidden;border-radius:22px;border-color:var(--ring);background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 7%,var(--panel)),var(--panel));box-shadow:0 30px 80px -30px var(--shadow)}
.nw>*{position:relative}

/* download */
#download{background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--panel) 85%,transparent) 14%,color-mix(in srgb,var(--panel) 85%,transparent) 86%,transparent);border:0}
#download::before{content:"";position:absolute;left:50%;top:50%;width:900px;height:500px;transform:translate(-50%,-50%);background:radial-gradient(closest-side,color-mix(in srgb,var(--accent) 14%,transparent),transparent);pointer-events:none}
#download .wrap{position:relative}
.box{position:relative;overflow:hidden;border-radius:22px;background:var(--glass);-webkit-}
.box>*{position:relative}
.box.main{border-color:var(--accent);box-shadow:0 30px 90px -26px color-mix(in srgb,var(--accent) 55%,transparent),inset 0 1px 0 rgba(255,255,255,.08)}

.os span{background:var(--glass)}
.code{border-radius:12px}

/* faq */
details{border-radius:16px;background:var(--glass);-webkit-transition:border-color .3s,box-shadow .3s}
details:hover{border-color:var(--ring)}
details[open]{border-color:var(--ring);box-shadow:0 20px 50px -26px var(--shadow)}
summary{padding-top:19px;padding-bottom:19px}
details[open] summary{color:var(--accent)}

/* data chips -> marquee */
.chips{gap:12px}
.chip{border-radius:14px;background:var(--glass);transition:transform .3s var(--ease),border-color .3s}
.chip:hover{transform:translateY(-3px);border-color:var(--ring)}

footer{border-top:0;position:relative;padding:48px 0 40px}
footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.5}

/* reveal: staggered */
.reveal{transform:translateY(34px) scale(.985);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{transform:none}
.grid.reveal.in .card,.stats.reveal.in div{animation:rise .8s var(--ease) both}
.grid.reveal.in .card:nth-child(2),.stats.reveal.in div:nth-child(2){animation-delay:.07s}
.grid.reveal.in .card:nth-child(3),.stats.reveal.in div:nth-child(3){animation-delay:.14s}
.grid.reveal.in .card:nth-child(4),.stats.reveal.in div:nth-child(4){animation-delay:.21s}
.grid.reveal.in .card:nth-child(5){animation-delay:.28s}.grid.reveal.in .card:nth-child(6){animation-delay:.35s}
.grid.reveal.in .card:nth-child(n+7){animation-delay:.4s}

@media (prefers-reduced-motion:reduce){
  .aurora i,.stage::before,.box.main::after,h1 .g,.chip3d,.btn.primary::after,.badge,h1,.lead,.hero .btns,.trust{animation:none!important}
  .reveal{transform:none}
  .stage .frame,.shotbox{transform:none!important}
}
@media (max-width:640px){section{padding:72px 0}.hero{padding-top:56px}.group-title{margin:64px 0 32px}#net{opacity:.6}}

.card,.shotbox,.box{contain:layout paint}
.shotbox,.stage .frame{backface-visibility:hidden}

header,header .wrap,.badge,.btn,.card,.box,.chip3d,details,.stats div,.radar .hud{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}

/* pings: ring that scales + fades (compositor only) instead of animating box-shadow */
.badge i,.led,.chip3d .led,.radar .hud .led{animation:none!important;box-shadow:none!important;position:relative}
.badge i::after,.led::after,.radar .hud .led::after{content:"";position:absolute;inset:0;border-radius:50%;background:inherit;animation:ringp 2s ease-out infinite;will-change:transform,opacity}
@keyframes ringp{from{transform:scale(1);opacity:.55}to{transform:scale(2.7);opacity:0}}
.chip3d{will-change:transform}
.btn.primary::after{will-change:transform}
@media (prefers-reduced-motion:reduce){.badge i::after,.led::after{animation:none}}

/* stacking: the download menu must sit above the tilting video frame and the text under the buttons */
.hero .btns{position:relative;z-index:30}
.dlsplit{position:relative;z-index:31}
.dmenu{z-index:60}
.hero .trust,.hero .mobile-note{position:relative;z-index:1}
.stage{position:relative;z-index:1}

/* flight-line dividers between sections */
.flightline{position:relative;height:40px;max-width:760px;margin:-20px auto;pointer-events:none;opacity:0;transition:opacity 1s var(--ease)}
.flightline.in{opacity:1}
.flightline::before{content:"";position:absolute;left:0;right:0;top:50%;height:6px;margin-top:-3px;
  background:radial-gradient(circle,var(--accent) 1.3px,transparent 1.8px) 0 50%/14px 6px repeat-x;opacity:.45;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 30%,#000 70%,transparent);mask-image:linear-gradient(90deg,transparent,#000 30%,#000 70%,transparent)}
.flightline svg{position:absolute;left:50%;top:50%;width:26px;height:26px;margin:-13px 0 0 -13px;color:var(--accent);filter:drop-shadow(0 0 8px var(--glow));
  background:var(--bg);border-radius:50%;padding:3px;box-sizing:content-box}

/* back to top, with a scroll progress ring */
.totop{position:fixed;right:20px;bottom:20px;z-index:70;width:52px;height:52px;border-radius:50%;border:1px solid var(--ring);background:var(--panel);color:var(--accent);cursor:pointer;display:grid;place-items:center;padding:0;
  opacity:0;transform:translateY(16px) scale(.9);pointer-events:none;transition:opacity .35s var(--ease),transform .35s var(--ease),border-color .2s;box-shadow:0 14px 34px -10px var(--shadow)}
.totop.show{opacity:1;transform:none;pointer-events:auto}
.totop:hover{border-color:var(--accent);transform:translateY(-3px)}
.totop svg{position:absolute;inset:-1px;width:52px;height:52px;transform:rotate(-90deg)}
.totop svg circle{fill:none;stroke:var(--accent);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:150.8;stroke-dashoffset:150.8}
.totop i{width:14px;height:14px;border-left:2.5px solid currentColor;border-top:2.5px solid currentColor;transform:translateY(3px) rotate(45deg)}
@media (max-width:640px){.totop{right:14px;bottom:14px;width:46px;height:46px}.totop svg{width:46px;height:46px}}

/* radar extras */
.radar .tick{font:600 11px ui-monospace,Consolas,monospace;fill:var(--muted);opacity:.65;letter-spacing:.06em}
#rPlane .ring{transform-box:fill-box;transform-origin:center;animation:ringp 2.4s ease-out infinite}

/* footer wordmark */
footer{overflow:hidden}
footer::after{content:"SKYTRACK";display:block;text-align:center;font:800 clamp(56px,16vw,210px)/1 Cambria,Georgia,serif;letter-spacing:.14em;margin:36px 0 -.18em;
  background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 34%,transparent),transparent 78%);-webkit-background-clip:text;background-clip:text;color:transparent;pointer-events:none;user-select:none}

/* light theme: readable gold headline (no near-white highlight) */
:root[data-theme=light] h1 .g{background-image:linear-gradient(100deg,#9a6a00,#d89b00 35%,#e8ae00 55%,#b87f00)}
:root[data-theme=light] h1 .p{background-image:linear-gradient(180deg,#1c1c1c 40%,#4a463d)}
@media (prefers-color-scheme:light){:root:not([data-theme=dark]) h1 .g{background-image:linear-gradient(100deg,#9a6a00,#d89b00 35%,#e8ae00 55%,#b87f00)}:root:not([data-theme=dark]) h1 .p{background-image:linear-gradient(180deg,#1c1c1c 40%,#4a463d)}}
:root[data-theme=light] .eyebrow,:root[data-theme=light] .card h3{color:var(--text)}
:root[data-theme=light] .eyebrow{color:#9a6a00}
:root[data-theme=light] .stats b{background-image:linear-gradient(180deg,#d89b00,#9a6a00)}
:root[data-theme=light] .totop,:root[data-theme=light] .chip3d{background:#fff}

/* how it works */
#how .wrap>.eyebrow{display:flex;justify-content:center}
#how .wrap>h2,#how .wrap>.sub{text-align:center;margin-left:auto;margin-right:auto}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative;margin-top:44px}
.step{position:relative;text-align:center;padding:34px 24px 30px;border:1px solid var(--line);border-radius:22px;background:var(--glass);transition:border-color .3s,transform .4s var(--ease)}
.step:hover{border-color:var(--ring);transform:translateY(-5px)}
.step .num{position:absolute;left:50%;top:-18px;transform:translateX(-50%);width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:var(--accent-ink);font:800 16px Cambria,Georgia,serif;box-shadow:0 8px 22px -6px var(--accent)}
.step:not(:last-child)::after{content:"";position:absolute;top:50%;right:-20px;width:20px;height:6px;margin-top:-3px;background:radial-gradient(circle,var(--accent) 1.3px,transparent 1.8px) 0 50%/7px 6px repeat-x;opacity:.7}
.sico{display:grid;place-items:center;width:68px;height:68px;margin:0 auto 18px;border-radius:20px;background:var(--glow);border:1px solid var(--ring);color:var(--accent)}
.sico svg{width:30px;height:30px}
.sico.tl{display:flex;gap:7px;align-items:center;justify-content:center}
.sico.tl i{width:11px;height:11px;border-radius:50%}.sico.tl .g{background:#4ade80}.sico.tl .y{background:#facc15}.sico.tl .r{background:#f87171}
.step h3{font:800 22px Cambria,Georgia,serif;margin:0 0 8px}
.step p{margin:0;color:var(--muted);font-size:15px}
@media (max-width:820px){.steps{grid-template-columns:1fr;gap:30px}.step:not(:last-child)::after{top:auto;bottom:-24px;right:50%;width:6px;height:18px;margin:0 -3px 0 0;background:radial-gradient(circle,var(--accent) 1.3px,transparent 1.8px) 50% 0/6px 7px repeat-y}}

/* who it's for + privacy */
.grid.who,.grid.pv{grid-template-columns:repeat(2,1fr)}
.grid.pv{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.grid.pv{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.grid.who,.grid.pv{grid-template-columns:1fr}}
.wico{display:grid;place-items:center;width:50px;height:50px;margin-bottom:16px;border-radius:15px;background:var(--glow);border:1px solid var(--ring);color:var(--accent);transition:transform .4s var(--ease)}
.wico svg{width:26px;height:26px}
.card:hover .wico{transform:rotate(-6deg) scale(1.08)}
.grid.who .card{padding:28px}.grid.who .card h3{font:800 22px Cambria,Georgia,serif}
.grid.who .card p{font-size:15.5px}
.pvnote{margin:22px 0 0;display:flex;align-items:center;gap:10px;color:var(--muted);font-size:15px}
.pvnote::before{content:"";flex:none;width:10px;height:10px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 4px rgba(74,222,128,.18)}

/* screenshot lightbox */
.lightbox{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:24px;background:rgba(8,8,8,.88);cursor:zoom-out;animation:lbin .25s var(--ease)}
.lightbox[hidden]{display:none}
.lightbox img{max-width:min(96vw,1800px);max-height:92vh;width:auto;height:auto;border-radius:14px;box-shadow:0 40px 120px rgba(0,0,0,.6);border:1px solid var(--ring)}
.lightbox button{position:absolute;right:18px;top:14px;width:44px;height:44px;border-radius:50%;border:1px solid var(--ring);background:var(--panel);color:var(--text);font-size:26px;line-height:1;cursor:pointer}
@keyframes lbin{from{opacity:0}to{opacity:1}}

/* theme switch */
.tswitch{--tw:60px;--th:32px;position:relative;flex:none;width:var(--tw);height:var(--th);padding:0;border:1px solid var(--line);border-radius:999px;cursor:pointer;overflow:hidden;
  background:linear-gradient(135deg,#0f172a,#1e1b4b 70%,#312e81);box-shadow:inset 0 2px 6px rgba(0,0,0,.45),0 0 0 0 transparent;transition:background .5s var(--ease),border-color .3s,box-shadow .3s;-webkit-tap-highlight-color:transparent}
.tswitch:hover{border-color:var(--accent);box-shadow:inset 0 2px 6px rgba(0,0,0,.35),0 0 18px -4px var(--accent)}
.tswitch:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.tswitch[data-mode=light]{background:linear-gradient(135deg,#7dd3fc,#bae6fd 60%,#e0f2fe)}
.ttrack{position:absolute;inset:0}
.ttrack .st{position:absolute;width:3px;height:3px;border-radius:50%;background:#fff;opacity:0;transform:scale(.4);transition:opacity .4s,transform .5s var(--ease)}
.ttrack .s1{left:11px;top:8px}.ttrack .s2{left:20px;top:19px;width:2px;height:2px}.ttrack .s3{left:27px;top:9px;width:2px;height:2px}.ttrack .s4{left:15px;top:23px;width:2px;height:2px}
.tswitch[data-mode=dark] .st{opacity:.9;transform:none;animation:twinkle 3s ease-in-out infinite}
.tswitch[data-mode=dark] .s2{animation-delay:-.8s}.tswitch[data-mode=dark] .s3{animation-delay:-1.6s}.tswitch[data-mode=dark] .s4{animation-delay:-2.2s}
@keyframes twinkle{50%{opacity:.35}}
.ttrack .cloud{position:absolute;right:5px;bottom:3px;width:30px;height:12px;fill:#fff;opacity:0;transform:translateX(14px);transition:opacity .45s,transform .55s var(--ease)}
.tswitch[data-mode=light] .cloud{opacity:.95;transform:none}
.tthumb{position:absolute;left:3px;top:3px;width:calc(var(--th) - 8px);height:calc(var(--th) - 8px);border-radius:50%;display:grid;place-items:center;transition:transform .55s cubic-bezier(.5,1.6,.4,1),background .4s,box-shadow .4s;will-change:transform}
.tswitch[data-mode=light] .tthumb{transform:translateX(0);background:#fbbf24;box-shadow:0 0 0 3px rgba(255,255,255,.55),0 3px 10px rgba(217,119,6,.45);color:#f59e0b}
.tswitch[data-mode=dark] .tthumb{transform:translateX(calc(var(--tw) - var(--th)));background:#f3ead0;box-shadow:0 0 0 3px rgba(243,234,208,.12),0 3px 10px rgba(0,0,0,.5);color:#f3ead0}
.tthumb svg{position:absolute;width:20px;height:20px;transition:opacity .35s,transform .6s var(--ease)}
.tthumb .sun{fill:#fff7d6;color:#b45309}.tthumb .sun circle{fill:#fff7d6}
.tthumb .moon{fill:#d9cfa8}.tthumb .moon .cr{fill:#bfb384}
.tswitch[data-mode=light] .sun{opacity:1;transform:rotate(0)}.tswitch[data-mode=light] .moon{opacity:0;transform:rotate(-70deg) scale(.5)}
.tswitch[data-mode=dark] .sun{opacity:0;transform:rotate(90deg) scale(.5)}.tswitch[data-mode=dark] .moon{opacity:1;transform:none}
.tswitch:active .tthumb{width:calc(var(--th) - 4px)}
.tswitch[data-mode=dark]:active .tthumb{transform:translateX(calc(var(--tw) - var(--th) - 4px))}
html.theme-anim,html.theme-anim *,html.theme-anim *::before,html.theme-anim *::after{transition:background-color .45s ease,border-color .45s ease,color .45s ease,fill .45s ease!important}
@media (prefers-reduced-motion:reduce){.tswitch,.tthumb,.tthumb svg,.ttrack .st,.cloud{transition:none!important;animation:none!important}}