:root{--chalk: #f5f0e8;--chalk-dim: #c8bfad;--stone: #1a1714;--stone-mid: #2a2520;--stone-light: #3d3630;--ochre: #d4861a;--ochre-bright: #f0a020;--crimson: #c0281a;--crimson-bright: #e03020;--jade: #1a7a4a;--cobalt: #1a4a8a;--violet: #5a1a8a;--gold: #c8a020;--font-display: "Playfair Display", Georgia, serif;--font-mono: "Space Mono", "Courier New", monospace;--font-ui: "Barlow Condensed", sans-serif;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px;--shadow-glow-ochre: 0 0 30px rgba(212, 134, 26, .4);--shadow-glow-crimson: 0 0 30px rgba(192, 40, 26, .4);--shadow-brutal: 4px 4px 0 rgba(0,0,0,.6)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--stone);color:var(--chalk);font-family:var(--font-ui);font-size:16px;line-height:1.5;overflow-x:hidden;min-height:100vh}#confetti-canvas{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9999}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--stone)}::-webkit-scrollbar-thumb{background:var(--stone-light);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--ochre)}#hero{position:relative;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;padding:2rem}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;background-image:url(/tower-bg.jpg);background-size:cover;background-position:center;filter:brightness(.25) saturate(.6);z-index:0;transform:scale(1.05);transition:transform 20s ease}.hero-bg.zoomed{transform:scale(1)}.hero-grain{position:absolute;top:0;right:0;bottom:0;left:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.08'/%3E%3C/svg%3E");z-index:1;pointer-events:none}.hero-gradient{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(to bottom,transparent 0%,rgba(26,23,20,.3) 50%,rgba(26,23,20,.95) 100%);z-index:2}.hero-content{position:relative;z-index:3;text-align:center;max-width:900px}.hero-eyebrow{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.3em;color:var(--ochre);text-transform:uppercase;margin-bottom:1.5rem;opacity:0;transform:translateY(20px);animation:fadeUp .8s ease .3s forwards}.hero-title{font-family:var(--font-display);font-size:clamp(3.5rem,9vw,8rem);font-weight:900;line-height:.9;color:var(--chalk);margin-bottom:.5rem;opacity:0;transform:translateY(30px);animation:fadeUp .9s ease .5s forwards}.hero-title .accent{color:var(--ochre);font-style:italic}.hero-subtitle{font-family:var(--font-display);font-size:clamp(1.5rem,3vw,2.5rem);font-weight:700;font-style:italic;color:var(--crimson);margin-bottom:1.5rem;opacity:0;transform:translateY(20px);animation:fadeUp .8s ease .7s forwards}.hero-desc{font-size:1.1rem;font-weight:300;letter-spacing:.05em;color:var(--chalk-dim);max-width:550px;margin:0 auto 2.5rem;opacity:0;transform:translateY(20px);animation:fadeUp .8s ease .9s forwards}.hero-divider{display:flex;align-items:center;gap:1rem;justify-content:center;margin-bottom:2.5rem;opacity:0;animation:fadeIn .8s ease 1.1s forwards}.hero-divider:before,.hero-divider:after{content:"";flex:1;max-width:120px;height:1px;background:linear-gradient(to right,transparent,var(--ochre))}.hero-divider:after{background:linear-gradient(to left,transparent,var(--ochre))}.hero-divider span{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;color:var(--ochre)}.hero-cta-group{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;opacity:0;transform:translateY(20px);animation:fadeUp .8s ease 1.2s forwards}.hero-stats{display:flex;gap:3rem;justify-content:center;margin-top:4rem;flex-wrap:wrap;opacity:0;animation:fadeIn 1s ease 1.5s forwards}.stat-item{text-align:center}.stat-num{font-family:var(--font-display);font-size:2.5rem;font-weight:900;color:var(--ochre);line-height:1}.stat-label{font-family:var(--font-mono);font-size:.65rem;letter-spacing:.25em;color:var(--chalk-dim);text-transform:uppercase;margin-top:.25rem}nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:1rem 2rem;display:flex;align-items:center;justify-content:space-between;transition:background .4s ease,backdrop-filter .4s ease}nav.scrolled{background:#1a1714eb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(212,134,26,.2)}.nav-logo{font-family:var(--font-display);font-size:1.3rem;font-weight:900;color:var(--chalk);letter-spacing:-.02em;cursor:pointer}.nav-logo .dot{color:var(--ochre)}.nav-links{display:flex;gap:2rem;list-style:none}.nav-links a{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;color:var(--chalk-dim);text-decoration:none;text-transform:uppercase;transition:color .2s}.nav-links a:hover{color:var(--ochre)}.nav-badge{font-family:var(--font-mono);font-size:.65rem;letter-spacing:.15em;padding:.35rem 1rem;border:1px solid var(--ochre);color:var(--ochre);text-transform:uppercase;cursor:pointer;transition:all .2s;background:transparent}.nav-badge:hover{background:var(--ochre);color:var(--stone)}.btn{font-family:var(--font-ui);font-size:.85rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;padding:.85rem 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0}.tower-viz-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.tower-canvas-wrap{position:relative;display:flex;gap:1.5rem;align-items:flex-start}#tower-canvas{flex-shrink:0;border:1px solid rgba(255,255,255,.08)}.tower-legend{flex:1}.legend-item{display:flex;align-items:center;gap:.75rem;margin-bottom:.85rem;cursor:pointer;padding:.5rem;transition:background .2s;border-radius:var(--radius-sm)}.legend-item:hover{background:#ffffff0a}.legend-color{width:24px;height:24px;border-radius:50%;flex-shrink:0;border:2px solid rgba(255,255,255,.1)}.legend-text{flex:1}.legend-name{font-family:var(--font-ui);font-size:.85rem;font-weight:600;color:var(--chalk);display:block}.legend-detail{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.1em;color:var(--chalk-dim)}#challenge-section{padding:6rem 2rem;max-width:1300px;margin:0 auto}.challenge-tabs{display:flex;gap:0;margin-bottom:3rem;border-bottom:2px solid rgba(255,255,255,.08);overflow-x:auto}.tab-btn{font-family:var(--font-ui);font-size:.85rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:.85rem 1.5rem;background:transparent;color:var(--chalk-dim);border:none;cursor:pointer;position:relative;transition:color .2s;white-space:nowrap;flex-shrink:0}.tab-btn:after{content:"";position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--ochre);transform:scaleX(0);transition:transform .3s ease}.tab-btn.active{color:var(--chalk)}.tab-btn.active:after{transform:scaleX(1)}.tab-btn:hover{color:var(--chalk)}.tab-panel{display:none}.tab-panel.active{display:block}.stages-grid{display:grid;grid-template-columns:300px 1fr;gap:2rem;align-items:start}@media (max-width: 768px){.stages-grid{grid-template-columns:1fr}}.stages-list{display:flex;flex-direction:column;gap:0}.stage-item{display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;cursor:pointer;transition:all .2s;border-left:3px solid 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pulse{0%,to{transform:scale(1)}50%{transform:scale(1.3)}}.cp-spacer{min-height:60px}.multiplayer-layout{display:grid;grid-template-columns:1fr 350px;gap:2rem;align-items:start}@media (max-width: 900px){.multiplayer-layout,.checkpoint-node{grid-template-columns:1fr}.checkpoint-line{display:none}}.leaderboard{background:var(--stone-mid);border:1px solid rgba(255,255,255,.06);overflow:hidden}.lb-header{padding:1.25rem 1.5rem;background:var(--stone-light);display:flex;justify-content:space-between;align-items:center}.lb-title{font-family:var(--font-ui);font-size:.8rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--chalk)}.lb-live{display:flex;align-items:center;gap:.4rem;font-family:var(--font-mono);font-size:.6rem;letter-spacing:.15em;color:var(--jade)}.lb-live:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--jade);animation:blink 1.2s ease infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.lb-entries{padding:.75rem 0}.lb-entry{display:flex;align-items:center;gap:1rem;padding:.75rem 1.5rem;transition:background .2s}.lb-entry:hover{background:#ffffff08}.lb-entry.me{background:#d4861a14}.lb-rank{font-family:var(--font-display);font-size:1.2rem;font-weight:900;color:var(--stone-light);min-width:2rem;text-align:center}.lb-entry:nth-child(1) .lb-rank{color:var(--gold)}.lb-entry:nth-child(2) .lb-rank{color:var(--chalk-dim)}.lb-entry:nth-child(3) .lb-rank{color:#a0612a}.lb-avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;flex-shrink:0;border:2px solid 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