:root{
  --bg:#fff;--alt:#f5f6f8;--line:#e2e5ea;--text:#111827;--muted:#5b6472;--accent:#1d3fbf;--accent-d:#152f94;
  --font:'Manrope',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:#fff;padding:10px 16px;z-index:200}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* header */
.hdr{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-weight:800;font-size:1.2rem;letter-spacing:-.01em}
.nav ul{display:flex;gap:28px}
.nav a{font-weight:600;font-size:.95rem;color:var(--muted)}
.nav a:hover{color:var(--accent)}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;cursor:pointer;position:relative}
.burger span,.burger::before,.burger::after{content:"";position:absolute;left:12px;right:12px;height:2px;background:var(--text)}
.burger::before{top:15px}.burger span{top:21px}.burger::after{top:27px}

/* buttons */
.btn{display:inline-block;padding:14px 28px;font-weight:700;font-family:inherit;font-size:1rem;border:1px solid var(--accent);cursor:pointer;transition:background-color .2s,color .2s}
.btn-p{background:var(--accent);color:#fff}
.btn-p:hover{background:var(--accent-d)}
.btn-g{background:#fff;color:var(--accent)}
.btn-g:hover{background:var(--alt)}
.cta{display:flex;gap:14px;flex-wrap:wrap}

/* type */
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(2.2rem,5vw,3.8rem)}
h2{font-size:clamp(1.7rem,3.2vw,2.4rem);margin-bottom:14px}
h3{font-size:1.25rem}
.lead{font-size:1.15rem;color:var(--muted);max-width:60ch;margin:22px 0 32px}
.sub{color:var(--muted);max-width:62ch;font-size:1.05rem}
.head{margin-bottom:40px}
.head.c{text-align:center}.head.c .sub{margin-inline:auto}

section{padding:88px 0}
.alt{background:var(--alt)}

/* hero */
.hero{padding:96px 0 88px;border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.3fr .7fr;gap:56px;align-items:center}
.facts{border:1px solid var(--line);background:var(--alt)}
.facts li{padding:22px 26px;border-bottom:1px solid var(--line)}
.facts li:last-child{border-bottom:0}
.facts b{display:block;font-size:1.5rem;font-weight:800;color:var(--accent);line-height:1.2}
.facts span{color:var(--muted);font-size:.95rem}

/* about */
.about{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.about p{color:var(--muted);margin-bottom:16px}
.feat{display:grid;gap:0;border:1px solid var(--line);background:#fff}
.feat li{padding:22px 26px;border-bottom:1px solid var(--line)}
.feat li:last-child{border-bottom:0}
.feat b{display:block;margin-bottom:2px}
.feat span{color:var(--muted);font-size:.95rem}

/* tracks */
.tracks{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{display:flex;flex-direction:column;gap:12px;padding:34px;background:#fff;border:1px solid var(--line);transition:border-color .2s}
.card:hover{border-color:var(--accent)}
.card .n{font-size:.8rem;font-weight:700;color:var(--muted);letter-spacing:.08em}
.card p{color:var(--muted);flex:1}
.card .go{color:var(--accent);font-weight:700}

/* prize */
.prize{border:1px solid var(--line);background:#fff;padding:64px 40px;text-align:center}
.sum{font-size:clamp(2.6rem,8vw,5rem);font-weight:800;line-height:1.1;margin:10px 0 18px;color:var(--accent);white-space:nowrap}
.prize p{max-width:56ch;margin:0 auto 28px;color:var(--muted)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.steps li{counter-increment:s;padding-top:20px;border-top:2px solid var(--text)}
.steps li::before{content:"0" counter(s);display:block;font-weight:800;color:var(--accent);margin-bottom:8px}
.steps h3{font-size:1.1rem;margin-bottom:6px}
.steps p{color:var(--muted);font-size:.95rem}

/* partners */
.partners{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.partners li{padding:26px;border:1px solid var(--line);background:#fff;font-weight:700}
.partners small{display:block;color:var(--muted);font-weight:500;margin-top:4px}

/* faq */
.faq{max-width:820px;margin-inline:auto;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:22px 0;font-weight:700;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 22px;color:var(--muted)}

.final{text-align:center;background:var(--accent);color:#fff}
.final .sub{color:rgba(255,255,255,.85);margin:0 auto 30px}
.final .btn-p{background:#fff;color:var(--accent);border-color:#fff}
.final .btn-p:hover{background:var(--alt)}

/* footer */
footer{border-top:1px solid var(--line);padding:56px 0 30px;background:#fff}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.foot p{color:var(--muted);font-size:.95rem;margin-top:12px;max-width:44ch}
.foot h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}
.foot li{margin-bottom:8px}
.foot li a{color:var(--muted)}.foot li a:hover{color:var(--accent)}
.copy{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:.82rem}

/* subpages */
.phero{padding:80px 0 64px;border-bottom:1px solid var(--line)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.box{padding:32px;border:1px solid var(--line);background:#fff}
.box h3{margin-bottom:12px}
.box li{padding:9px 0;color:var(--muted);border-top:1px solid var(--line)}
.other{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.other a{padding:22px;border:1px solid var(--line);background:#fff;font-weight:800;transition:border-color .2s}
.other a:hover{border-color:var(--accent)}
.other small{display:block;color:var(--muted);font-weight:500;margin-top:4px}

@media(max-width:960px){
  .hero .wrap,.about,.two,.foot{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .tracks,.partners,.other{grid-template-columns:1fr}
  .burger{display:block}
  .nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:12px 20px 20px}
  .nav.open{display:block}
  .nav ul{flex-direction:column;gap:0}
  .nav a{display:block;padding:14px 0;border-bottom:1px solid var(--line)}
  section{padding:64px 0}
  .prize{padding:44px 22px}
}
@media(max-width:520px){.steps{grid-template-columns:1fr}.card{padding:26px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}