:root{
  --bg:#0a0d0b; --panel:#141910; --line:#3c4a24; --muted:#8baa4d; --accent:#d1ff70;
  --head:'Tektur','Arial Black',Impact,sans-serif;
  --body:'JetBrains Mono',ui-monospace,Consolas,'Courier New',monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--accent);font-family:var(--body);font-size:15px;line-height:1.55;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
main{flex:1}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,13,11,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{max-width:1200px;margin:0 auto;padding:10px 24px;display:flex;align-items:center;justify-content:space-between}
.brand img{width:56px;height:56px;border-radius:8px}
.nav{display:flex;gap:6px;list-style:none}
.nav a{display:block;padding:8px 16px;font-family:var(--head);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:15px;border-radius:4px;transition:color .2s,background .2s}
.nav a:hover{background:var(--panel);color:#fff}
.nav a[aria-current="page"]{color:var(--bg);background:var(--accent)}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--accent);width:44px;height:44px;border-radius:6px;cursor:pointer;font-size:22px}

/* hero */
.hero{position:relative;min-height:calc(100vh - 77px);display:grid;place-items:center;text-align:center;padding:80px 24px;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;background:url(assets/hero.png) center/cover no-repeat;z-index:-2}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(rgba(10,13,11,.35),rgba(10,13,11,.75));z-index:-1}
.hero h1{font-family:var(--head);font-weight:700;font-size:clamp(44px,9vw,108px);line-height:1;letter-spacing:.1em;text-transform:uppercase;text-shadow:0 4px 30px rgba(0,0,0,.6)}
.hero p{font-size:clamp(14px,2vw,20px);margin:18px 0 34px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 34px;border:2px solid var(--accent);background:var(--accent);color:var(--bg);font-family:var(--head);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:16px;border-radius:4px;cursor:pointer;transition:background .25s,color .25s,transform .2s}
.btn:hover{background:transparent;color:var(--accent);transform:translateY(-2px)}

/* sections */
.section{max-width:1200px;margin:0 auto;padding:90px 24px}
.section-title{font-family:var(--head);font-weight:700;font-size:clamp(28px,4.5vw,52px);text-transform:uppercase;letter-spacing:.06em;text-align:center;margin-bottom:56px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px);border-color:var(--accent);box-shadow:0 10px 40px rgba(209,255,112,.12)}
.card img{width:100%;aspect-ratio:1/1;object-fit:cover}
.card-body{padding:24px}
.card h3{font-family:var(--head);font-weight:700;font-size:22px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:10px}
.card p{color:var(--muted);font-size:14px}

/* rules */
.rules{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:1000px;margin:0 auto}
.rule{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:30px 28px 28px;transition:border-color .3s,transform .3s}
.rule:hover{border-color:var(--accent);transform:translateY(-4px)}
.rule .num{font-family:var(--head);font-weight:700;font-size:44px;color:var(--line);line-height:1;margin-bottom:10px;transition:color .3s}
.rule:hover .num{color:var(--accent)}
.rule h3{font-family:var(--head);font-weight:700;font-size:22px;letter-spacing:.05em;text-transform:uppercase;margin-bottom:8px}
.rule p{color:var(--muted);font-size:14px}

/* footer */
.site-footer{background:var(--panel);border-top:1px solid var(--line);margin-top:auto}
.footer-inner{max-width:1200px;margin:0 auto;padding:44px 24px 28px;display:grid;gap:22px;justify-items:center;text-align:center}
.footer-inner img{width:min(260px,70vw)}
.socials{display:flex;gap:22px;flex-wrap:wrap;justify-content:center;list-style:none}
.socials a{width:46px;height:46px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;transition:background .2s,color .2s,border-color .2s}
.socials a:hover{background:var(--accent);color:var(--bg);border-color:var(--accent)}
.socials svg{width:22px;height:22px;fill:currentColor}
.mail{color:var(--muted)}.mail:hover{color:var(--accent)}
.copy{font-size:12px;color:var(--muted);letter-spacing:.06em}

/* reveal animation */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

@media (max-width:900px){
  .cards{grid-template-columns:1fr;max-width:520px;margin:0 auto}
  .rules{grid-template-columns:1fr}
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--bg);border-bottom:1px solid var(--line);padding:10px 24px 18px}
  .nav.open{display:flex}
  .hero{min-height:calc(100vh - 77px)}
}