:root{
  --void:#07060d; --void-2:#0d0b18; --panel:#131022; --line:#241f3d;
  --neon:#9b5cff; --neon-2:#c39bff; --cyan:#2de2ff; --magenta:#ff3d8a;
  --text:#f0eefa; --text-2:#9d97b8; --text-3:#645e80;
  --display:'Chakra Petch',sans-serif; --sans:'Inter',system-ui,sans-serif;
  --glow-n:0 0 24px rgba(155,92,255,.5); --glow-c:0 0 24px rgba(45,226,255,.4);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
body{
  font-family:var(--sans);background:var(--void);color:var(--text);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
::selection{background:rgba(155,92,255,.45)}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--display);text-transform:uppercase;line-height:1.06;letter-spacing:.02em}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(7,6,13,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-family:var(--display);font-weight:700;font-size:20px;letter-spacing:.08em;display:flex;align-items:center;gap:11px}
.logo .bolt{
  width:30px;height:30px;background:linear-gradient(135deg,var(--neon),var(--cyan));
  clip-path:polygon(50% 0,100% 38%,68% 38%,85% 100%,15% 52%,48% 52%,20% 0);
}
.logo em{color:var(--neon-2);font-style:normal}
.nav-links{display:flex;gap:32px}
.nav-links a{font-size:13.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-2);transition:color .2s,text-shadow .2s}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--cyan);text-shadow:var(--glow-c)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;
  padding:14px 30px;font-family:var(--display);font-weight:600;font-size:14px;
  letter-spacing:.1em;text-transform:uppercase;transition:all .2s;
  clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-neon{background:linear-gradient(90deg,var(--neon),#7a3ff2);color:#fff;box-shadow:var(--glow-n)}
.btn-neon:hover{transform:translateY(-2px);box-shadow:0 0 40px rgba(155,92,255,.75)}
.btn-cyan{background:transparent;color:var(--cyan);border:1.5px solid var(--cyan)}
.btn-cyan:hover{background:rgba(45,226,255,.12);box-shadow:var(--glow-c)}
.btn-lg{padding:17px 40px;font-size:15px}
.menu-btn{display:none;width:44px;height:44px;align-items:center;justify-content:center}

/* hero */
.hero{position:relative;min-height:100vh;min-height:100dvh;display:flex;align-items:center;text-align:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('../img/hero.webp') center/cover no-repeat}
.hero-bg::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 30%,rgba(7,6,13,.25),rgba(7,6,13,.92) 75%)}
.hero-grid-lines{position:absolute;inset:auto 0 0;height:38%;z-index:1;
  background:linear-gradient(transparent,rgba(155,92,255,.07)),
  repeating-linear-gradient(90deg,transparent 0 79px,rgba(155,92,255,.14) 79px 80px);
  mask-image:linear-gradient(transparent,#000);
}
.hero-in{position:relative;z-index:2;width:100%;padding:130px 0 70px}
.hero-date{
  display:inline-flex;align-items:center;gap:12px;font-family:var(--display);font-size:14px;
  font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:var(--cyan);
  border:1px solid rgba(45,226,255,.4);padding:10px 22px;margin-bottom:30px;
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  background:rgba(45,226,255,.06);
}
.hero h1{font-size:clamp(52px,10vw,132px);font-weight:700;margin-bottom:6px}
.hero h1 .grad{
  background:linear-gradient(90deg,var(--neon-2),var(--cyan) 60%,var(--magenta));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 26px rgba(155,92,255,.45));
}
.hero .sub{font-family:var(--display);font-size:clamp(15px,2vw,20px);letter-spacing:.42em;text-transform:uppercase;color:var(--text-2);margin-bottom:44px}
.hero-actions{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-bottom:60px}

/* countdown */
.count{display:flex;justify-content:center;gap:14px}
.c-cell{
  background:rgba(19,16,34,.8);border:1px solid var(--line);min-width:96px;padding:18px 12px 14px;
  clip-path:polygon(14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%,0 14px);
  backdrop-filter:blur(6px);
}
.c-num{font-family:var(--display);font-weight:700;font-size:clamp(30px,4.4vw,46px);color:var(--cyan);text-shadow:var(--glow-c);font-variant-numeric:tabular-nums;line-height:1}
.c-lbl{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--text-3);margin-top:8px}

/* marquee */
.marq{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--void-2);padding:14px 0;overflow:hidden}
.marq-track{display:flex;gap:52px;white-space:nowrap;width:max-content;animation:mq 20s linear infinite}
@keyframes mq{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marq-track{animation:none}}
.marq span{font-family:var(--display);font-size:14px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--text-2);display:flex;align-items:center;gap:52px}
.marq span::after{content:'//';color:var(--magenta)}

/* sections */
.section{padding:100px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 60px}
.kicker{
  display:inline-block;font-family:var(--display);font-size:12.5px;font-weight:600;letter-spacing:.3em;
  text-transform:uppercase;color:var(--magenta);margin-bottom:16px;
}
h2{font-size:clamp(30px,5vw,56px);font-weight:700;margin-bottom:16px}
.sec-head p{color:var(--text-2)}

/* prize pool */
.prize-total{
  text-align:center;font-family:var(--display);font-weight:700;
  font-size:clamp(56px,10vw,120px);line-height:1;margin-bottom:52px;
  background:linear-gradient(90deg,var(--cyan),var(--neon-2),var(--magenta));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 32px rgba(155,92,255,.35));
  font-variant-numeric:tabular-nums;
}
.prizes{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.prize{
  background:var(--panel);border:1px solid var(--line);padding:30px 26px;position:relative;
  clip-path:polygon(16px 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%,0 16px);
}
.prize.first{border-color:rgba(255,199,61,.5);background:linear-gradient(180deg,rgba(255,199,61,.1),var(--panel))}
.prize .place{font-family:var(--display);font-size:13px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--text-3);margin-bottom:12px}
.prize.first .place{color:#ffc73d}
.prize .amount{font-family:var(--display);font-size:clamp(24px,2.6vw,34px);font-weight:700;font-variant-numeric:tabular-nums}
.prize.first .amount{color:#ffc73d;text-shadow:0 0 22px rgba(255,199,61,.4)}
.prize .note{font-size:13px;color:var(--text-3);margin-top:6px}

/* bracket */
.bracket-wrap{overflow-x:auto;padding-bottom:12px}
.bracket{display:grid;grid-template-columns:repeat(4,minmax(190px,1fr));gap:22px;min-width:840px;align-items:center}
.round{display:grid;gap:14px}
.round-title{font-family:var(--display);font-size:12px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--text-3);text-align:center;margin-bottom:6px}
.match{background:var(--panel);border:1px solid var(--line);padding:0;overflow:hidden;
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);}
.mrow{display:flex;justify-content:space-between;align-items:center;padding:11px 16px;font-size:13.5px;font-weight:600}
.mrow+.mrow{border-top:1px solid var(--line)}
.mrow .score{font-family:var(--display);color:var(--text-3);font-variant-numeric:tabular-nums}
.mrow.win{color:var(--cyan)}
.mrow.win .score{color:var(--cyan)}
.mrow.tbd{color:var(--text-3);font-weight:500}
.match.final{border-color:rgba(255,61,138,.55);box-shadow:0 0 30px rgba(255,61,138,.15)}
.match.final .mrow{padding:16px}

/* teams */
.teams{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.team{
  background:var(--panel);border:1px solid var(--line);padding:26px 20px;text-align:center;
  transition:border-color .2s,transform .2s,box-shadow .2s;
  clip-path:polygon(14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%,0 14px);
}
.team:hover{border-color:var(--neon);transform:translateY(-4px);box-shadow:var(--glow-n)}
.team .t-logo{
  width:58px;height:58px;margin:0 auto 16px;display:grid;place-items:center;
  font-family:var(--display);font-weight:700;font-size:19px;color:#fff;
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
}
.team h3{font-size:15px;letter-spacing:.06em;margin-bottom:4px}
.team .t-reg{font-size:12px;color:var(--text-3);letter-spacing:.14em;text-transform:uppercase}
.team .t-seed{
  display:inline-block;margin-top:12px;font-family:var(--display);font-size:11.5px;letter-spacing:.18em;
  color:var(--cyan);border:1px solid rgba(45,226,255,.35);padding:4px 12px;
}

/* schedule */
.sched{max-width:820px;margin:0 auto;display:grid;gap:12px}
.day{
  display:grid;grid-template-columns:150px 1fr auto;gap:20px;align-items:center;
  background:var(--panel);border:1px solid var(--line);padding:22px 28px;
  clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);
}
.day .d-date{font-family:var(--display);font-weight:700;font-size:17px;color:var(--neon-2)}
.day .d-date small{display:block;font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--text-3);font-weight:600;margin-top:2px}
.day .d-what b{display:block;font-size:15.5px;margin-bottom:2px}
.day .d-what span{font-size:13.5px;color:var(--text-2)}
.day .d-tag{
  font-family:var(--display);font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  padding:7px 14px;white-space:nowrap;
}
.day .d-tag.online{color:var(--cyan);border:1px solid rgba(45,226,255,.4)}
.day .d-tag.live{color:var(--magenta);border:1px solid rgba(255,61,138,.5);background:rgba(255,61,138,.08)}

/* register */
.reg{
  background:linear-gradient(140deg,rgba(155,92,255,.16),rgba(45,226,255,.07));
  border:1px solid var(--line);padding:clamp(40px,6vw,72px);
  display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center;
  clip-path:polygon(26px 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%,0 26px);
}
.reg h2{margin-bottom:14px}
.reg p{color:var(--text-2)}
.reg ul{list-style:none;margin-top:24px;display:grid;gap:12px}
.reg li{display:flex;gap:12px;font-size:14.5px;color:var(--text-2);align-items:flex-start}
.reg li svg{width:17px;height:17px;stroke:var(--cyan);flex:none;margin-top:2px}
.reg-form{display:grid;gap:14px}
.reg-form input,.reg-form select{
  background:rgba(7,6,13,.7);border:1px solid var(--line);color:var(--text);
  padding:15px 18px;font:inherit;font-size:15px;min-height:50px;width:100%;
}
.reg-form input:focus,.reg-form select:focus{outline:none;border-color:var(--neon);box-shadow:var(--glow-n)}
.reg-form input::placeholder{color:var(--text-3)}
.reg-form select option{background:var(--void-2)}
.form-msg{font-size:13.5px;font-weight:600;display:none}
.form-msg.err{display:block;color:#ff8fb4}
.form-msg.ok{display:block;color:#7fe8ff}

/* sponsors */
.sponsors{display:flex;justify-content:center;gap:clamp(30px,6vw,70px);flex-wrap:wrap;opacity:.6}
.sponsors span{font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:.1em;color:var(--text-2)}

/* footer */
footer{border-top:1px solid var(--line);padding:52px 0 38px;background:var(--void-2)}
.foot{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;align-items:center}
.foot-links{display:flex;gap:26px;flex-wrap:wrap}
.foot-links a{font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-2)}
.foot-links a:hover{color:var(--cyan)}
.foot-bottom{margin-top:34px;font-size:13px;color:var(--text-3)}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

@media (max-width:1020px){
  .prizes{grid-template-columns:1fr 1fr}
  .teams{grid-template-columns:1fr 1fr}
  .reg{grid-template-columns:1fr}
  .nav-links{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;position:absolute;top:72px;left:0;right:0;
    background:rgba(7,6,13,.97);padding:26px 24px;gap:20px;border-bottom:1px solid var(--line);
  }
  .menu-btn{display:flex}
  .nav .btn-neon{display:none}
}
@media (max-width:640px){
  .prizes,.teams{grid-template-columns:1fr}
  .count{flex-wrap:wrap}
  .c-cell{min-width:72px}
  .day{grid-template-columns:1fr;gap:10px;text-align:left}
  .section{padding:72px 0}
}

/* ---- cross-document View Transitions (progressive enhancement) ---- */
@media (prefers-reduced-motion:no-preference){
  @view-transition{navigation:auto}
  .hero{view-transition-name:page-hero}
  ::view-transition-old(page-hero),::view-transition-new(page-hero){
    animation-duration:.45s;animation-timing-function:cubic-bezier(.4,0,.2,1);
  }
  ::view-transition-old(root),::view-transition-new(root){animation-duration:.35s}
}