:root{--bg:#0A0A0B;--s1:#121214;--s2:#1A1A1D;--ln:#2A2A2F;--tx:#F4F4F2;--mu:#9C9CA3;--y:#FFD60A;--o:#FF8A00;--r:18px;--ff:'Inter',system-ui,sans-serif;--fh:'Space Grotesk','Inter',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.6 var(--ff);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}img{display:block;max-width:100%}h1,h2,h3{font-family:var(--fh);letter-spacing:-.02em;margin:0}
.wrap{width:min(1200px,100% - 40px);margin:0 auto}
.kick{font:600 13px/1 var(--ff);letter-spacing:.18em;text-transform:uppercase;color:var(--y);margin:0 0 16px}
.lead{font-size:clamp(17px,2vw,20px);color:#D8D8D4;max-width:620px}
.mut{color:var(--mu)}
/* tlačítka */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;font:600 16px var(--ff);padding:14px 22px;text-decoration:none;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}
.btn.y{background:var(--y);color:#0B0B0C;box-shadow:0 8px 30px rgba(255,214,10,.25)}.btn.y:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(255,214,10,.4)}
.btn.g{background:rgba(255,255,255,.08);color:var(--tx);border:1.5px solid rgba(255,255,255,.22);backdrop-filter:blur(8px)}.btn.g:hover{background:rgba(255,255,255,.16)}
.btn.lg{font-size:17px;padding:17px 26px;border-radius:14px}.btn.sm{font-size:14px;padding:10px 16px;border-radius:10px}
/* navigace */
.nav{position:fixed;inset:0 0 auto;z-index:50;display:flex;align-items:center;gap:24px;padding:14px max(20px,calc(50vw - 600px));transition:background .3s,padding .3s}
.nav.sc{background:rgba(10,10,11,.82);backdrop-filter:blur(14px);padding-top:10px;padding-bottom:10px;border-bottom:1px solid var(--ln)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:700 17px var(--fh);letter-spacing:.06em}.brand b{color:var(--y)}
.nav nav{display:flex;gap:26px;margin-left:auto}.nav nav a{text-decoration:none;color:#D0D0CC;font-weight:500;font-size:15px}.nav nav a:hover{color:var(--y)}
@media(max-width:760px){.nav nav{display:none}.nav .btn{margin-left:auto}}
/* hero */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;padding:120px 0 60px;isolation:isolate}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-3;transform:scale(1.08);animation:kb 22s ease-out forwards}
@keyframes kb{to{transform:scale(1)}}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,rgba(10,10,11,.92) 0%,rgba(10,10,11,.55) 45%,rgba(10,10,11,.15) 100%),linear-gradient(0deg,var(--bg) 0%,rgba(10,10,11,0) 35%)}
.ai{position:absolute;right:14px;bottom:10px;z-index:2;font-size:11px;color:rgba(255,255,255,.55);letter-spacing:.04em}
.ridges{position:absolute;left:0;right:0;bottom:0;width:100%;height:46%;z-index:-1;pointer-events:none}
.ridges path{will-change:transform}.ridges .r3{fill:rgba(255,214,10,.07);stroke:rgba(255,214,10,.35);stroke-width:2}
.hero-route{position:absolute;right:-4%;top:12%;width:min(58vw,820px);z-index:-1;opacity:.95;pointer-events:none}
.hero-route svg{width:100%;height:auto;overflow:visible}
.hr{fill:none;stroke:var(--y);stroke-width:4;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1;animation:draw 5s 0.4s cubic-bezier(.6,.1,.2,1) forwards;filter:drop-shadow(0 0 8px rgba(255,214,10,.6))}
.hr-glow{fill:none;stroke:rgba(255,214,10,.12);stroke-width:18;stroke-linecap:round;stroke-linejoin:round}
.hr-dot{fill:#fff;stroke:var(--y);stroke-width:4;filter:drop-shadow(0 0 10px #FFD60A)}
@keyframes draw{to{stroke-dashoffset:0}}
.hero h1{font-size:clamp(46px,8.5vw,112px);line-height:.95;font-weight:700;margin-bottom:24px}.hero h1 span{color:var(--y)}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-stats{display:grid;grid-template-columns:repeat(4,auto);justify-content:start;gap:clamp(20px,5vw,60px);margin-top:64px}
.hero-stats b{display:block;font:700 clamp(30px,4vw,46px)/1 var(--fh);color:var(--tx)}.hero-stats span{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--mu)}
@media(max-width:760px){.hero-stats{grid-template-columns:repeat(2,auto)}.hero-route{width:110vw;right:-30vw;top:8%;opacity:.45}}
.scroll{position:absolute;left:50%;bottom:24px;width:26px;height:42px;border:2px solid rgba(255,255,255,.35);border-radius:14px;transform:translateX(-50%)}.scroll span{position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--y);animation:sc 1.8s infinite}
@keyframes sc{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(14px)}}
/* pás s průsmyky */
.marquee{overflow:hidden;border-block:1px solid var(--ln);background:var(--s1);padding:16px 0}
.marquee div{display:flex;gap:48px;width:max-content;animation:mq 40s linear infinite}.marquee span{font:600 15px var(--fh);letter-spacing:.14em;color:#D8D8D4;white-space:nowrap}.marquee i{font-style:normal;color:var(--y);margin-left:8px}
@keyframes mq{to{transform:translateX(-50%)}}
/* sekce */
.sec{padding:clamp(70px,10vw,130px) 0;position:relative}.sec.tight{padding:clamp(28px,4vw,48px) 0}
.sh{max-width:720px;margin-bottom:42px}.sh h2,.final h2{font-size:clamp(34px,5vw,58px);line-height:1.02;margin-bottom:16px}.sh p{color:var(--mu);font-size:18px;margin:0}
.dark{background:var(--s1)}
.bgimg{isolation:isolate;overflow:hidden}.bgimg[style]::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,var(--bg),rgba(10,10,11,.6) 25%,rgba(10,10,11,.7) 75%,var(--bg)),var(--img) center/cover fixed}
@media(max-width:900px){.bgimg[style]::before{background-attachment:scroll}}
/* filtry */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.f,#freg{border:1.5px solid var(--ln);background:var(--s1);color:#D8D8D4;border-radius:999px;padding:10px 16px;font:500 14px var(--ff);cursor:pointer}
.f.on{background:var(--y);border-color:var(--y);color:#0B0B0C;font-weight:600}#freg{appearance:none;padding-right:34px;background-image:linear-gradient(45deg,transparent 50%,#999 50%),linear-gradient(135deg,#999 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat}
/* karty tras */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.rc{display:flex;flex-direction:column;background:var(--s1);border:1px solid var(--ln);border-radius:var(--r);overflow:hidden;text-decoration:none;transition:transform .35s cubic-bezier(.2,.7,.2,1),border-color .3s,box-shadow .35s}
.rc:hover{transform:translateY(-6px);border-color:rgba(255,214,10,.5);box-shadow:0 24px 60px rgba(0,0,0,.5)}
.rc-vis{position:relative;aspect-ratio:16/10;background:radial-gradient(120% 90% at 30% 20%,#23232a,#101012);overflow:hidden}
.rc-vis img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1),filter .5s;filter:brightness(.62) saturate(1.05)}
.rc:hover .rc-vis img{transform:scale(1.07);filter:brightness(.42)}
.rc-map{position:absolute;inset:0;width:100%;height:100%}
.rt-bg{fill:none;stroke:rgba(0,0,0,.55);stroke-width:7;stroke-linecap:round;stroke-linejoin:round}
.rt{fill:none;stroke:var(--y);stroke-width:3.2;stroke-linecap:round;stroke-linejoin:round}
.rc .rt.draw{stroke-dasharray:1;stroke-dashoffset:0;transition:stroke-dashoffset 0s}.rc:hover .rt.draw{animation:redraw 1.6s cubic-bezier(.6,.1,.2,1)}
@keyframes redraw{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
.st{fill:#fff;stroke:#0B0B0C;stroke-width:2.5}.en{fill:var(--y);stroke:#0B0B0C;stroke-width:3}
.chip{position:absolute;left:12px;top:12px;background:rgba(10,10,11,.75);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.15);border-radius:999px;padding:4px 11px;font-size:12px;font-weight:600;letter-spacing:.03em}.chip.r{left:auto;right:12px;color:var(--y)}
.rc-b{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px;flex:1}.rc-b small{color:var(--mu);font-size:13px}.rc-b h3{font-size:21px;line-height:1.2}
.rc-prof{width:100%;height:40px;margin:8px 0 4px}.pa{fill:rgba(255,214,10,.14)}.pl{fill:none;stroke:var(--y);stroke-width:1.6;vector-effect:non-scaling-stroke}
.rc-m{display:flex;gap:18px;font-size:14px;color:var(--mu);margin-top:auto}.rc-m b{color:var(--tx);font-family:var(--fh);font-size:17px}
.rc.hide{display:none}
/* kroky */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.step{background:rgba(18,18,20,.78);backdrop-filter:blur(8px);border:1px solid var(--ln);border-radius:var(--r);padding:32px}
.step i{display:block;font:700 54px/1 var(--fh);font-style:normal;color:transparent;-webkit-text-stroke:1.5px var(--y);margin-bottom:18px}.step h3{font-size:23px;margin-bottom:10px}.step p{color:var(--mu);margin:0}
@media(max-width:860px){.steps{grid-template-columns:1fr}}
/* funkce */
.feat{display:flex;flex-direction:column;gap:clamp(40px,7vw,90px)}.fc{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,5vw,70px);align-items:center}.fc.alt .fc-v{order:2}
.fc-v{border-radius:24px;overflow:hidden;aspect-ratio:1;background:var(--s2);position:relative}.fc-v img{width:100%;height:100%;object-fit:cover;transform:scale(1.12);transition:transform 1.4s cubic-bezier(.2,.7,.2,1)}.fc.in .fc-v img{transform:scale(1)}
.fc-v::after{content:"";position:absolute;inset:0;border-radius:24px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.fc-t h3{font-size:clamp(30px,4vw,46px);line-height:1.05;margin-bottom:16px}.fc-t p{color:var(--mu);font-size:19px;max-width:460px}
.fc-art{position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,rgba(255,214,10,.3),transparent 60%),var(--s2)}
@media(max-width:860px){.fc{grid-template-columns:1fr}.fc.alt .fc-v{order:0}.fc-v{aspect-ratio:4/3}}
/* závěr */
.final{position:relative;padding:clamp(110px,16vw,200px) 0;text-align:center;isolation:isolate;overflow:hidden}
.final::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,var(--bg),rgba(10,10,11,.35) 35%,rgba(10,10,11,.85)),var(--img,none) center/cover}
.final p{color:#D8D8D4;font-size:19px;max-width:560px;margin:0 auto 34px}
/* patička */
.foot{border-top:1px solid var(--ln);padding:48px 0 60px;color:var(--mu);font-size:14px}.fb{display:flex;align-items:center;gap:10px;font:700 17px var(--fh);letter-spacing:.06em;color:var(--tx);margin-bottom:16px}.fb b{color:var(--y)}
.foot p{max-width:760px}.foot a{color:#D8D8D4}.fl{display:flex;flex-wrap:wrap;gap:20px}
/* stránka trasy */
.rhero{position:relative;min-height:78svh;display:flex;align-items:flex-end;padding:140px 0 56px;isolation:isolate;overflow:hidden}
.rhero::before{content:"";position:absolute;inset:0;z-index:-2;background:linear-gradient(0deg,var(--bg) 2%,rgba(10,10,11,.55) 45%,rgba(10,10,11,.25)),linear-gradient(90deg,rgba(10,10,11,.7),rgba(10,10,11,0) 70%)}
.rhero h1{font-size:clamp(42px,7vw,92px);line-height:.98;margin-bottom:18px;max-width:1000px}.back{display:inline-block;color:#D8D8D4;text-decoration:none;font-size:14px;margin-bottom:26px}.back:hover{color:var(--y)}
.kv{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--ln);border:1px solid var(--ln);border-radius:var(--r);overflow:hidden}
.kv div{background:var(--s1);padding:22px 22px 20px}.kv small{display:block;color:var(--mu);font-size:13px;letter-spacing:.06em;text-transform:uppercase}.kv b{font:700 clamp(26px,3vw,36px)/1.15 var(--fh)}.kv span{margin-left:6px;color:var(--mu);font-size:14px}
@media(max-width:760px){.kv{grid-template-columns:repeat(2,1fr)}}
.two{display:grid;grid-template-columns:1.6fr 1fr;gap:22px}@media(max-width:900px){.two{grid-template-columns:1fr}}
.bigmap{background:radial-gradient(100% 100% at 30% 20%,#1d1d22,#0f0f11);border:1px solid var(--ln);border-radius:var(--r);padding:14px;position:relative;overflow:hidden}
.bigmap::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:40px 40px}
.bigmap svg{position:relative;width:100%;height:auto}.rt.big{stroke-width:5.5;stroke-dasharray:1;stroke-dashoffset:1}.bigmap .rt-bg{stroke-width:11}.in .rt.big{animation:draw 3.2s cubic-bezier(.6,.1,.2,1) forwards}
.cap{color:var(--mu);font-size:13px;margin:10px 4px 0}
.side{display:flex;flex-direction:column;gap:18px}.side h3{font-size:22px}.tl{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.tl li{background:var(--s1);border:1px solid var(--ln);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column}.tl b{font-weight:600}.tl span{color:var(--mu);font-size:14px}
.addbox{margin-top:auto;background:linear-gradient(135deg,rgba(255,214,10,.16),rgba(255,138,0,.06));border:1px solid rgba(255,214,10,.35);border-radius:var(--r);padding:24px}.addbox p{color:#D8D8D4}
.prof{position:relative;background:var(--s1);border:1px solid var(--ln);border-radius:var(--r);padding:24px 24px 18px}.ph{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px}.ph span{color:var(--mu)}
.prof svg{width:100%;height:220px}.prof .pl{stroke-width:2.4}.tb{fill:rgba(255,255,255,.07)}
.pmax{position:absolute;transform:translate(-50%,-100%);margin-top:16px;pointer-events:none}.pmax span{display:block;background:var(--y);color:#0B0B0C;font:700 13px var(--fh);padding:3px 8px;border-radius:6px;white-space:nowrap}
.px{display:flex;justify-content:space-between;color:var(--mu);font-size:13px}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:22px}.pn a{background:var(--s1);border:1px solid var(--ln);border-radius:var(--r);padding:22px;text-decoration:none;display:flex;flex-direction:column;gap:4px;transition:border-color .3s}.pn a:hover{border-color:var(--y)}.pn .r{text-align:right}.pn small{color:var(--mu)}.pn b{font:600 19px var(--fh)}
.mbar{display:none}@media(max-width:760px){.mbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;gap:10px;padding:12px 14px calc(env(safe-area-inset-bottom) + 12px);background:rgba(10,10,11,.9);backdrop-filter:blur(14px);border-top:1px solid var(--ln)}.mbar .btn{flex:1}.foot{padding-bottom:110px}}
/* odhalování při scrollu */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.hero-img,.marquee div{animation:none}.hr{animation:none;stroke-dashoffset:0}}
/* 3D průlet */
.fly{position:fixed;inset:0;z-index:100;background:#000;display:flex;flex-direction:column}.fly[hidden]{display:none}
#flyMap{flex:1;min-height:0;position:relative}
.fly-top{position:absolute;left:0;right:0;top:0;z-index:5;display:flex;align-items:center;gap:10px;padding:calc(env(safe-area-inset-top) + 12px) 14px 14px;background:linear-gradient(rgba(0,0,0,.75),rgba(0,0,0,0))}
.fly-top div{flex:1;min-width:0}.fly-top b{display:block;font:700 20px var(--fh);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fly-top small{color:#ccc;font-size:13px}
@media(max-width:600px){#flyAdd{display:none}}
.fly-hud{position:absolute;left:14px;bottom:150px;z-index:5;display:flex;gap:16px;background:rgba(0,0,0,.65);backdrop-filter:blur(6px);border-radius:12px;padding:8px 14px;font-size:14px;color:#ddd}.fly-hud b{font:700 20px var(--fh);color:var(--y)}.fly-hud .tun{color:#fff;font-weight:600}
.fly-msg{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:6;background:rgba(0,0,0,.8);border-radius:14px;padding:14px 20px;font-weight:600;text-align:center;max-width:80%}
.fly-bot{background:#0D0D0F;border-top:1px solid #222;padding:10px 14px calc(env(safe-area-inset-bottom) + 12px)}
.fly-prof{height:56px;cursor:pointer;touch-action:none}.fly-prof canvas{width:100%;height:100%;display:block}
.fly-ctl{display:flex;gap:10px;margin-top:10px}.fly-ctl .btn{min-height:48px}#flyPlay{flex:1}
.maplibregl-ctrl-attrib{font-size:10px}