/* Base styles with simple CSS (no frameworks) */
:root{
  --bg:#070b14;
  --surface:#0d1324;
  --text:#e6eefc;
  --muted:#9bb0d3;
  --primary:#2ec5ff;
  --accent:#7b61ff;
  --hardware:#00d18f;
  --software:#ff7b7b;
  --outline:rgba(255,255,255,.08);
  --glow:0 0 0 0 rgba(46,197,255,.0);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Poppins, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(1000px 600px at 10% -10%, rgba(46,197,255,.07), transparent 40%),
              radial-gradient(800px 500px at 90% -10%, rgba(123,97,255,.08), transparent 40%),
              var(--bg);
  color:var(--text);
  line-height:1.6;
}
.container{width:min(1100px,92%); margin-inline:auto}
.center{text-align:center}

/* Custom cursor */
.cursor{
  position:fixed; left:0; top:0; width:16px; height:16px; border-radius:50%;
  background:radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,.2));
  pointer-events:none; transform:translate(-50%, -50%);
  mix-blend-mode: difference; filter: blur(.2px);
  transition: transform .08s linear, width .2s ease, height .2s ease, background .2s ease;
  z-index:10000;
}
[data-hoverable]:hover ~ .cursor, .cursor.hover{
  width:32px; height:32px; background:radial-gradient(circle at 30% 30%, rgba(46,197,255,.9), rgba(46,197,255,.2));
}

/* Header */
.site-header{position:sticky; top:0; z-index:1000; background:rgba(7,11,20,.6); backdrop-filter: blur(10px); border-bottom:1px solid var(--outline)}
.nav-wrap{display:flex; align-items:center; justify-content:space-between; gap:16px; padding:14px 0}
.logo{display:flex; align-items:center; gap:10px; color:var(--text); text-decoration:none; font-weight:700}
.main-nav{display:flex; gap:18px; align-items:center}
.main-nav a{color:var(--muted); text-decoration:none; font-weight:500; padding:8px 10px; border-radius:8px; border:1px solid transparent}
.main-nav a:hover{color:var(--text); border-color:var(--outline)}
.nav-toggle{display:none; background:none; border:0; width:42px; height:42px; position:relative}
.nav-toggle span{position:absolute; left:10px; right:10px; height:2px; background:var(--text); transition:.3s}
.nav-toggle span:nth-child(1){top:12px}
.nav-toggle span:nth-child(2){top:20px}
.nav-toggle span:nth-child(3){top:28px}

/* Buttons */
.btn{display:inline-flex; align-items:center; gap:8px; padding:12px 18px; border-radius:12px; text-decoration:none; font-weight:600; letter-spacing:.2px; border:1px solid var(--outline); transition: .2s ease; color:var(--text)}
.btn-primary{background:linear-gradient(135deg, var(--primary), var(--accent)); box-shadow:0 10px 30px rgba(46,197,255,.25)}
.btn-primary:hover{transform: translateY(-2px); box-shadow:0 14px 34px rgba(46,197,255,.35)}
.btn-ghost{background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.06)}

/* Hero */
.hero{position:relative; padding:120px 0 80px; overflow:hidden; border-bottom:1px solid var(--outline)}
.hero-bg{position:absolute; inset:-20%; background: radial-gradient(800px 400px at 50% 0%, rgba(123,97,255,.10), transparent 60%); pointer-events:none; z-index:0}
/* Ensure hero content stays above any decorative layers */
.hero .container{position:relative; z-index:1}
.headline{font-size: clamp(40px, 6vw, 72px); line-height:1.05; margin:0 0 8px; letter-spacing:-1px}
.headline-top{display:block; font-weight:700}
.headline-year{display:block; font-family:"JetBrains Mono", monospace; color:var(--primary)}
.typewriter{font-family:"JetBrains Mono", monospace; color:var(--muted); min-height:28px; margin:10px 0 20px}
.caret{display:inline-block; width:1px; background:var(--text); animation: blink 1s steps(1) infinite; margin-left:3px}
@keyframes blink{50%{opacity:0}}
.key-details{display:grid; grid-template-columns:repeat(3, 1fr); gap:14px; margin:26px 0}
.detail{background:var(--surface); border:1px solid var(--outline); padding:14px; border-radius:12px}
.detail .label{display:block; color:var(--muted); font-size:12px; text-transform:uppercase; letter-spacing:.8px}
.detail .value{font-size:16px; font-weight:600}
.detail .link{color:var(--primary)}
.stats{display:flex; gap:20px; margin-top:14px}
.stat{background:transparent; border:1px dashed var(--outline); padding:12px 16px; border-radius:12px; text-align:center}
.stat strong{font-size:22px; display:block}

/* Sections */
.section{padding:80px 0}
.section-title{font-size: clamp(24px, 3vw, 36px); margin:0 0 18px}
.grid-2{display:grid; grid-template-columns:1.2fr .8fr; gap:28px}
.bullets{margin:0; padding-left:18px}
.bullets li{margin:6px 0}
.about-card, .rule-card{background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); border:1px solid var(--outline); padding:22px; border-radius:16px}
.badge{display:inline-block; font-size:14px; color:var(--muted); border:1px solid var(--outline); padding:8px 16px; border-radius:999px; margin-bottom:12px; line-height:1.4; max-width:100%}
.about-highlights{display:flex; flex-wrap:wrap; gap:8px; margin-top:10px}
.chip{font-size:12px; color:var(--text); border:1px solid var(--outline); padding:6px 10px; border-radius:999px; background:rgba(255,255,255,.03)}

/* Cards */
.cards{display:grid; grid-template-columns:repeat(2, 1fr); gap:20px}
.card{background:var(--surface); border:1px solid var(--outline); padding:20px; border-radius:16px; position:relative; overflow:hidden}
.card-icon{color:var(--primary); margin-bottom:10px}
.card-hardware{border-color: rgba(0,209,143,.25)}
.card-hardware .card-icon{color:var(--hardware)}
.card-software{border-color: rgba(255,123,123,.25)}
.card-software .card-icon{color:var(--software)}
.mini{padding-left:18px; margin:8px 0 0}
.mini li{margin:4px 0; color:var(--muted)}

/* Timeline */
.timeline{position:relative; margin-top:10px}
.timeline:before{content:""; position:absolute; left:16px; top:0; bottom:0; width:2px; background:linear-gradient(var(--outline), rgba(255,255,255,.18))}
.tl-item{display:grid; grid-template-columns:60px 1fr; gap:14px; margin:20px 0}
.tl-time{font-family:"JetBrains Mono", monospace; color:var(--muted)}
.tl-card{background:var(--surface); border:1px solid var(--outline); border-radius:12px; padding:14px}

/* FAQ */
.faq-grid{display:grid; grid-template-columns:repeat(2, 1fr); gap:14px}
.faq-grid details{background:var(--surface); border:1px solid var(--outline); padding:14px 16px; border-radius:12px}
.faq-grid summary{cursor:pointer; font-weight:600}

/* Form */
.contact-form{background:var(--surface); border:1px solid var(--outline); padding:20px; border-radius:16px}
.field{display:flex; flex-direction:column; gap:6px; margin:10px 0}
input, textarea{background:#0b1020; color:var(--text); border:1px solid var(--outline); border-radius:10px; padding:12px 14px; outline:none}
input:focus, textarea:focus{border-color: rgba(46,197,255,.5); box-shadow:0 0 0 3px rgba(46,197,255,.15)}
.form-status{height:20px; color:var(--muted); margin-top:8px}

/* Footer */
.site-footer{border-top:1px solid var(--outline); padding:26px 0; background:rgba(7,11,20,.4)}
.foot{display:flex; align-items:center; justify-content:space-between}
.back-to-top{color:var(--muted); text-decoration:none}
.back-to-top:hover{color:var(--text)}

/* Reveal on scroll */
.reveal{opacity:0; transform:translateY(20px); transition:opacity .6s ease, transform .6s ease}
.reveal.visible{opacity:1; transform:none}

/* Responsive */
@media (max-width: 900px){
  .grid-2{grid-template-columns:1fr}
}
@media (max-width: 760px){
  .main-nav{display:none; position:absolute; right:4%; top:60px; background:rgba(7,11,20,.95); padding:12px; border-radius:12px; border:1px solid var(--outline); flex-direction:column; width:220px}
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
  .key-details{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .stats{flex-wrap:wrap}
}

/* Organizer banner */
.org-banner{display:grid; grid-template-columns:1fr auto 1fr; align-items:center; gap:18px; background:#1a2336; border:1px solid var(--outline); border-radius:28px; padding:22px; position:relative; overflow:hidden}
.org-banner:before,.org-banner:after{content:""; position:absolute; width:220px; height:220px; border-radius:50%; filter: blur(40px); opacity:.18}
.org-banner:before{left:-60px; top:-60px; background: radial-gradient(circle, rgba(46,197,255,.5), transparent 60%)}
.org-banner:after{right:-60px; bottom:-60px; background: radial-gradient(circle, rgba(123,97,255,.5), transparent 60%)}
.org-panel h3{margin:0; font-size: clamp(22px, 3.4vw, 36px); letter-spacing:2px}
.org-panel .org-sub{margin:6px 0 0; font-weight:800; letter-spacing:.4px}
.org-panel .org-small{margin:6px 0 0; color:var(--muted); font-size:13px}
.org-panel.left{text-align:left}
.org-panel.right{text-align:right}
.org-center{display:flex; flex-direction:column; align-items:center; justify-content:center; gap:10px}
.org-icon{width:120px; height:120px; border-radius:12px; background:#0b1626; display:grid; place-items:center; border:2px solid rgba(255,255,255,.12)}
.org-icon img{max-width:92%; height:auto; display:block}
@media (max-width: 900px){
  .org-banner{grid-template-columns:1fr; text-align:center}
  .org-panel.right, .org-panel.left{text-align:center}
  .org-center{flex-direction:row; gap:12px}
}