:root{
  --pink:#e6007e; --ice:#a6cae3; --ink:#0b1020; --ink2:#131a30; --paper:#f5f8fb; --white:#fff;
  --text:#1b2236; --muted:#5d6783; --line:#dfe6ee;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{font-family:'Montserrat',system-ui,sans-serif;color:var(--text);background:var(--white);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}
.wrap--narrow{width:min(780px,100% - 40px)}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:8px clamp(16px,4vw,48px);transition:background .3s,box-shadow .3s}
.nav.is-solid{background:rgba(11,16,32,.92);backdrop-filter:blur(10px);box-shadow:0 2px 20px rgba(0,0,0,.25)}
.nav__logo img{height:68px;width:auto;display:block}
.nav__links{display:flex;align-items:center;gap:26px;font-size:.82rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:#fff}
.nav__links a{text-decoration:none;opacity:.85}
.nav__links a:hover{opacity:1}
.nav__burger{display:none;background:none;border:0;width:40px;height:40px;position:relative;cursor:pointer}
.nav__burger span{position:absolute;left:8px;right:8px;height:2px;background:#fff;transition:transform .25s}
.nav__burger span:first-child{top:15px}.nav__burger span:last-child{top:23px}
.nav__burger[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}
.nav__burger[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* buttons */
.btn{display:inline-block;background:var(--pink);color:#fff!important;font-weight:800;font-size:.9rem;letter-spacing:.04em;text-transform:uppercase;text-decoration:none;padding:15px 28px;border-radius:999px;border:2px solid var(--pink);transition:transform .15s,box-shadow .15s,background .15s;opacity:1!important}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(230,0,126,.4)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.7)}
.btn--ghost:hover{background:#fff;color:var(--ink)!important;box-shadow:none}
.sec .btn--ghost{border-color:var(--ink);color:var(--ink)!important}
.sec .btn--ghost:hover{background:var(--ink);color:#fff!important}
.btn--sm{padding:9px 18px;font-size:.75rem}
.btn--lg{padding:19px 38px;font-size:1rem;background:#fff;color:var(--pink)!important;border-color:#fff}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--ink)}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:78% 60%;transform:scale(1.04);animation:drift 24s ease-in-out infinite alternate}
@keyframes drift{to{transform:scale(1.12) translateX(-1.5%)}}
.hero__shade{position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,16,32,.92) 10%,rgba(11,16,32,.55) 55%,rgba(230,0,126,.25)),linear-gradient(0deg,rgba(11,16,32,.9),transparent 40%)}
.hero__inner{position:relative;width:min(1120px,100% - 40px);margin:0 auto;padding:120px 0 90px}
.eyebrow{font-size:.78rem;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--pink);margin-bottom:14px}
.hero .eyebrow{color:var(--ice)}
.hero__title{font-style:italic;font-weight:900;text-transform:uppercase;line-height:.92;font-size:clamp(3rem,10vw,8rem);letter-spacing:-.02em}
.hero__title span{display:block;color:var(--pink)}
.hero__title span:nth-child(2){color:#fff}
.hero__title .hero__online{font-size:.5em;font-weight:800;color:var(--ice);margin-top:.2em;letter-spacing:.2em}
.hero__lead{max-width:560px;font-size:clamp(1.05rem,2vw,1.35rem);margin:28px 0 34px;color:#e8eef6}
.hero__lead strong{color:#fff;border-bottom:3px solid var(--pink)}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px}
.hero__partners{margin-top:46px;font-size:.78rem;letter-spacing:.06em;color:#b5c2d6}
.hero__partners b{color:#fff}
.hero__scroll{position:absolute;bottom:26px;left:50%;width:26px;height:42px;border:2px solid rgba(255,255,255,.6);border-radius:14px;transform:translateX(-50%)}
.hero__scroll::after{content:"";position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:#fff;animation:wheel 1.6s infinite}
@keyframes wheel{50%{transform:translateY(12px);opacity:.2}}

/* facts */
.facts{background:var(--pink);color:#fff}
.facts__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:30px 0;text-align:center}
.facts b{display:block;font-size:2.2rem;font-weight:900;font-style:italic;line-height:1.1}
.facts span{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;opacity:.9}

/* sections */
.sec{padding:clamp(64px,9vw,120px) 0}
.sec--alt{background:var(--paper)}
.sec--dark{background:var(--ink);color:#fff}
.sec--dark .lead{color:#b5c2d6}
h2{font-size:clamp(2rem,5vw,3.4rem);font-style:italic;font-weight:900;text-transform:uppercase;line-height:1.05;margin-bottom:28px;letter-spacing:-.01em}
h3{font-size:1.2rem;font-weight:800}
p+p{margin-top:1em}
.lead{font-size:1.15rem;color:var(--muted);max-width:700px;margin-bottom:36px}
.note{font-size:.85rem;color:var(--muted);margin-top:22px}
.ticks{list-style:none;margin:20px 0}
.ticks li{position:relative;padding:6px 0 6px 30px}
.ticks li::before{content:"";position:absolute;left:0;top:14px;width:16px;height:8px;border-left:3px solid var(--pink);border-bottom:3px solid var(--pink);transform:rotate(-45deg) scale(.8)}

/* edition */
.edition{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,5vw,64px);align-items:center}
.edition__status{display:inline-block;background:var(--ink);color:#fff;font-weight:600;font-size:.9rem;padding:8px 16px;border-radius:999px;margin-bottom:22px}
.edition__status.is-open{background:var(--pink)}
.edition__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.edition__photo img{border-radius:18px;box-shadow:0 24px 60px rgba(11,16,32,.25);aspect-ratio:4/3;object-fit:cover;width:100%}
.edition__photo figcaption{font-size:.8rem;color:var(--muted);margin-top:10px}

/* stages */
.stages{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.stage{background:#fff;border-radius:16px;padding:30px;border-top:5px solid var(--pink);box-shadow:0 8px 30px rgba(11,16,32,.06)}
.stage__no{font-size:.75rem;font-weight:800;letter-spacing:.14em;color:var(--pink);text-transform:uppercase}
.stage h3{margin:8px 0 2px;font-size:1.35rem}
.stage__km{font-size:2.4rem;font-weight:900;font-style:italic;color:var(--ink);line-height:1.2;margin-bottom:8px}
.stage p:last-child{color:var(--muted);font-size:.95rem}

/* schedule */
.schedule{list-style:none;border-left:3px solid var(--line);margin-left:6px}
.schedule li{position:relative;display:grid;grid-template-columns:200px 1fr;gap:20px;padding:16px 0 16px 32px}
.schedule li::before{content:"";position:absolute;left:-10px;top:24px;width:17px;height:17px;border-radius:50%;background:#fff;border:4px solid var(--pink)}
.schedule b{font-weight:800;color:var(--pink)}

/* docs / accordion */
.docs{display:grid;gap:12px;margin:26px 0}
.doc{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;background:#fff;border:1px solid var(--line);border-radius:12px;text-decoration:none;font-weight:600}
a.doc:hover{border-color:var(--pink)}
.doc span{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--pink);font-weight:800}
.doc.is-off{color:var(--muted)}.doc.is-off span{color:var(--muted)}
.acc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:6px 22px}
.acc summary{cursor:pointer;font-weight:800;padding:14px 0;list-style:none}
.acc summary::after{content:"+";float:right;color:var(--pink);font-size:1.4rem;line-height:1}
.acc[open] summary::after{content:"–"}

/* registration */
.reg{background:linear-gradient(120deg,var(--pink),#9b0058);color:#fff;text-align:center;padding:clamp(60px,8vw,100px) 0}
.reg h2{margin-bottom:14px}
.reg p{margin-bottom:30px;font-size:1.1rem}

/* story */
.story{max-width:760px;margin-bottom:56px}
.story__lead{font-size:1.4rem;font-weight:600;line-height:1.5;color:var(--ink)}
.timeline{list-style:none;position:relative;margin:0 0 56px;padding-left:0;display:grid;gap:0}
.timeline li{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:16px 0;border-top:1px solid var(--line)}
.timeline li:last-child{border-bottom:1px solid var(--line)}
.timeline b{font-weight:800;color:var(--pink);font-style:italic}
.timeline li:last-child b,.timeline li:last-child span{font-weight:800}
.tech{background:var(--paper);border-radius:18px;padding:30px 34px;margin-bottom:48px}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery img{border-radius:12px;aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .3s}
.gallery img:hover{transform:scale(1.03)}

/* hall of fame */
.hall{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{position:relative;border-radius:16px;overflow:hidden;background:var(--ink2);border:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column}
.card__img{aspect-ratio:16/10;background-size:cover;background-position:center;position:relative}
.card__img::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,var(--ink2),transparent 60%)}
.card__year{position:absolute;left:18px;bottom:6px;z-index:1;font-size:3.2rem;font-weight:900;font-style:italic;color:#fff;line-height:1;text-shadow:0 2px 12px rgba(0,0,0,.5)}
.card__body{padding:18px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.card__body h3{font-size:1rem}
.card__winner{font-size:.9rem;color:var(--ice)}
.card__winner b{color:#fff}
.card__note{font-size:.88rem;color:#a7b3c7}
.card__link{margin-top:auto;padding-top:8px;font-weight:800;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--pink);text-decoration:none}
.card__link.is-off{color:#6d7a93}

/* videos */
.videos{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.video__frame{position:relative;aspect-ratio:16/9;border-radius:16px;overflow:hidden;background:#000 center/cover;cursor:pointer;box-shadow:0 14px 40px rgba(11,16,32,.2)}
.video__frame::after{content:"";position:absolute;left:50%;top:50%;width:76px;height:76px;margin:-38px;border-radius:50%;background:var(--pink) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M9 6l10 6-10 6z'/%3E%3C/svg%3E") center/46px no-repeat;transition:transform .2s}
.video__frame:hover::after{transform:scale(1.1)}
.video__frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video p{margin-top:12px;font-weight:600;font-size:.95rem}

/* footer */
.foot{background:var(--ink);color:#b5c2d6;padding:46px 0}
.foot__grid{display:flex;align-items:center;gap:36px}
.foot__logo{height:110px;width:auto}
.foot__small{font-size:.8rem;margin-top:6px;opacity:.7}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}
.rv.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.hero__bg{animation:none}html{scroll-behavior:auto}}

/* responsive */
@media (max-width:900px){
  .edition,.videos{grid-template-columns:1fr}
  .stages,.hall{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .facts__grid{grid-template-columns:1fr 1fr}
  .nav__burger{display:block}
  .nav__links{position:fixed;inset:84px 0 auto 0;flex-direction:column;align-items:flex-start;gap:0;background:rgba(11,16,32,.97);padding:10px 24px 24px;transform:translateY(-130%);transition:transform .3s}
  .nav__links.is-open{transform:none}
  .nav__links a{padding:14px 0;width:100%;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav__links .btn{margin-top:14px;text-align:center;width:auto}
}
@media (max-width:620px){
  .stages,.hall{grid-template-columns:1fr}
  .schedule li,.timeline li{grid-template-columns:1fr;gap:2px}
  .foot__grid{flex-direction:column;align-items:flex-start}
}

/* intro: text vlevo, video vpravo plynule přechází */
.intro{position:relative;background:var(--ink);color:#fff;overflow:hidden;min-height:min(86vh,760px);display:flex;align-items:center}
.intro__media{position:absolute;top:0;right:0;bottom:0;width:80%;background:url(../img/intro-poster.jpg) center/cover;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 55%);mask-image:linear-gradient(90deg,transparent 0,#000 55%)}
.intro__media::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,rgba(11,16,32,.92) 0,rgba(11,16,32,.78) 38%,rgba(11,16,32,.25) 70%,rgba(11,16,32,.1))}
.intro__video{position:absolute;inset:0;opacity:0;transition:opacity 1.2s;pointer-events:none;background:#000}
.intro__video.is-on{opacity:1}
.intro__video video,.intro__video iframe{position:absolute;top:50%;left:50%;min-width:100%;min-height:100%;width:auto;height:auto;transform:translate(-50%,-50%);border:0;object-fit:cover}
.intro__video iframe{width:max(100%,177.78vh);height:max(100%,56.25vw)}
.intro__inner{position:relative;z-index:2;padding-block:clamp(56px,8vw,100px)}
.intro__text{max-width:540px;text-shadow:0 1px 3px rgba(11,16,32,.9),0 2px 18px rgba(11,16,32,.8)}
.intro__text h2{margin-bottom:20px}
.intro__lead{font-size:1.2rem;font-weight:600;color:#fff;line-height:1.5}
.intro__text p{color:#f1f5fb}
.intro__text p+p{margin-top:1em}
.intro__text b{color:#fff}
.intro__more{margin-top:28px}
.intro__sound{position:absolute;right:clamp(16px,3vw,40px);bottom:24px;z-index:3;display:flex;align-items:center;gap:10px;background:rgba(11,16,32,.7);color:#fff;border:1px solid rgba(255,255,255,.45);border-radius:999px;padding:10px 18px;font:700 .78rem/1 'Montserrat',sans-serif;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;backdrop-filter:blur(6px)}
.intro__sound[hidden]{display:none}
.intro__sound:hover{background:var(--pink);border-color:var(--pink)}
.intro__sound .ico{width:18px;height:18px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23fff'%3E%3Cpath d='M3 9v6h4l5 5V4L7 9H3zm13.5 3A4.5 4.5 0 0 0 14 8v8a4.5 4.5 0 0 0 2.5-4z'/%3E%3C/svg%3E") center/contain no-repeat}
@media (max-width:900px){
  .intro{display:block;min-height:0}
  .intro__media{position:relative;width:100%;aspect-ratio:16/9;-webkit-mask-image:linear-gradient(180deg,#000 55%,transparent);mask-image:linear-gradient(180deg,#000 55%,transparent)}
  .intro__media::after{background:linear-gradient(180deg,transparent 40%,rgba(11,16,32,.6))}
  .intro__inner{padding-top:8px}
  .intro__sound{top:calc(min(100vw,100%)*.5625 - 56px);bottom:auto}
}

/* tratě – reálná podoba, mapa */
.stage__real{margin-top:16px;background:none;border:2px solid var(--ink);color:var(--ink);font:800 .75rem/1 'Montserrat',sans-serif;letter-spacing:.08em;text-transform:uppercase;padding:11px 18px;border-radius:999px;cursor:pointer;transition:.15s}
.stage__real:hover{background:var(--pink);border-color:var(--pink);color:#fff}
.map{margin:44px auto 0;max-width:620px;text-align:center}
.map img{width:100%;border-radius:14px;box-shadow:0 14px 40px rgba(11,16,32,.18);background:#fff}
.map figcaption{font-size:.85rem;color:var(--muted);margin-top:12px}
.map a{color:var(--pink);font-weight:700}

/* lightbox */
.lb{position:fixed;inset:0;z-index:100;background:rgba(5,8,18,.92);display:none;align-items:center;justify-content:center;padding:20px}
.lb.is-open{display:flex}
.lb__box{width:min(1000px,100%);aspect-ratio:16/9}
.lb__box iframe{width:100%;height:100%;border:0;border-radius:12px}
.lb__x{position:absolute;top:14px;right:20px;background:none;border:0;color:#fff;font-size:2.4rem;line-height:1;cursor:pointer}

@media (max-width:620px){.hero__bg{background-position:72% 60%}.hero__shade{background:linear-gradient(0deg,rgba(11,16,32,.95) 25%,rgba(11,16,32,.35) 70%,rgba(11,16,32,.55))}}