/* ══════════════════════════════════════
   CSS Variables & Reset
   ══════════════════════════════════════ */
:root{
  --neon-cyan:#00f0ff;
  --neon-magenta:#ff00ff;
  --neon-yellow:#f0f000;
  --neon-orange:#ff6b00;
  --neon-green:#00ff88;
  --neon-red:#ff2244;
  --dark-bg:#0a0a0f;
  --dark-secondary:#12121a;
  --glass-bg:rgba(255,255,255,.05);
  --glass-border:rgba(0,240,255,.15);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Sans SC',-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--dark-bg);color:#fff;line-height:1.6;overflow-x:hidden;position:relative;
}
body::after{
  content:"";position:fixed;inset:0;
  background:linear-gradient(135deg,rgba(0,240,255,.03) 0%,transparent 50%,rgba(255,0,255,.02) 100%);
  pointer-events:none;z-index:0;
}

/* ══════════════════════════════════════
   Loader
   ══════════════════════════════════════ */
.loader{position:fixed;inset:0;background:var(--dark-bg);display:flex;align-items:center;justify-content:center;z-index:9999;transition:opacity .6s}
.loader.hidden{opacity:0;pointer-events:none}
.loader-spinner{width:60px;height:60px;border:3px solid rgba(0,240,255,.2);border-top-color:var(--neon-cyan);border-radius:50%;animation:spin 1s linear infinite}
.loader-text{font-family:Orbitron,monospace;color:var(--neon-cyan);letter-spacing:5px;margin-top:16px;font-size:.85rem}
@keyframes spin{to{transform:rotate(360deg)}}

/* ══════════════════════════════════════
   Navigation
   ══════════════════════════════════════ */
nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;padding:14px 40px;
  background:#0a0a0fd9;backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,240,255,.2);
}
.nav-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}
.logo{font-family:Orbitron,monospace;font-size:1.4rem;font-weight:900;background:linear-gradient(90deg,var(--neon-cyan),var(--neon-magenta));-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:2px}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{
  color:#ffffffbf;text-decoration:none;font-size:.88rem;font-weight:500;
  position:relative;transition:color .3s;
}
.nav-links a::after{
  content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;
  background:var(--neon-cyan);box-shadow:0 0 10px var(--neon-cyan);transition:width .3s;
}
.nav-links a:hover{color:var(--neon-cyan)}
.nav-links a:hover::after{width:100%}

/* ══════════════════════════════════════
   Hero Section
   ══════════════════════════════════════ */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:100px 20px;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background:url(./imgs/qichuangtianlu-sichuan-tibet-highway-cycling-snow.webp) center/cover;
  filter:brightness(.3) saturate(1.2);animation:heroPulse 8s ease-in-out infinite;
}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,#0a0a0fb3,#0a0a0f4d,#0a0a0feb)}
@keyframes heroPulse{0%,to{filter:brightness(.3) saturate(1.2)}50%{filter:brightness(.35) saturate(1.3)}}
.hero-content{position:relative;z-index:10;text-align:center;max-width:900px}
.glitch-title{font-family:Orbitron,monospace;font-size:clamp(2.4rem,7vw,4.8rem);font-weight:900;margin-bottom:16px;position:relative;animation:glitch 3s infinite}
.glitch-title .main-text{background:linear-gradient(90deg,#fff 0%,var(--neon-cyan) 50%,#fff 100%);background-size:200% 100%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:shine 3s linear infinite}
.glitch-title::before,.glitch-title::after{content:attr(data-text);position:absolute;inset:0}
.glitch-title::before{animation:glitch-1 .3s infinite;color:var(--neon-cyan);z-index:-1}
.glitch-title::after{animation:glitch-2 .3s infinite;color:var(--neon-magenta);z-index:-2}
@keyframes glitch{0%,90%,to{transform:translate(0)}92%{transform:translate(-2px,2px)}94%{transform:translate(2px,-2px)}96%{transform:translate(-2px,-2px)}98%{transform:translate(2px,2px)}}
@keyframes glitch-1{0%,to{clip-path:inset(0);transform:translate(0)}20%{clip-path:inset(20% 0 60% 0);transform:translate(-3px)}40%{clip-path:inset(40% 0 40% 0);transform:translate(3px)}60%{clip-path:inset(60% 0 20% 0);transform:translate(-3px)}80%{clip-path:inset(80% 0 0 0);transform:translate(3px)}}
@keyframes glitch-2{0%,to{clip-path:inset(0);transform:translate(0)}20%{clip-path:inset(60% 0 20% 0);transform:translate(3px)}40%{clip-path:inset(20% 0 60% 0);transform:translate(-3px)}60%{clip-path:inset(0 0 80% 0);transform:translate(3px)}80%{clip-path:inset(0);transform:translate(-3px)}}
@keyframes shine{0%{background-position:200% 0}to{background-position:-200% 0}}
.hero-subtitle{font-size:clamp(1rem,2.5vw,1.4rem);color:#ffffffb3;margin-bottom:12px;font-weight:300}
.hero-year{font-family:Orbitron,monospace;font-size:1.15rem;color:var(--neon-orange);text-shadow:0 0 20px var(--neon-orange);letter-spacing:5px;margin-bottom:40px}
.hero-riders{font-style:italic;color:#ffffff8c;margin-bottom:30px;font-size:.95rem}
.stats-container{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;margin-top:40px}
.stat-item{
  text-align:center;padding:28px 24px;background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:20px;backdrop-filter:blur(10px);min-width:160px;position:relative;transition:all .4s;
}
.stat-item::before{
  content:"";position:absolute;inset:-2px;
  background:linear-gradient(45deg,var(--neon-cyan),var(--neon-magenta),var(--neon-cyan));
  border-radius:22px;z-index:-1;opacity:0;transition:opacity .4s;
}
.stat-item:hover::before{opacity:1}
.stat-item:hover{transform:translateY(-8px);box-shadow:0 20px 40px #00f0ff26}
.stat-number{font-family:Orbitron,monospace;font-size:2.6rem;font-weight:900;background:linear-gradient(180deg,#fff 0%,var(--neon-cyan) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.stat-label{font-size:.85rem;color:#ffffff8c;text-transform:uppercase;letter-spacing:2px}

/* ══════════════════════════════════════
   Section Common
   ══════════════════════════════════════ */
section{position:relative;padding:100px 20px;z-index:1}
.section-title{font-family:Orbitron,monospace;font-size:clamp(1.6rem,4vw,2.4rem);text-align:center;margin-bottom:50px;position:relative;display:block;max-width:1100px;margin-left:auto;margin-right:auto}
.section-title::after{content:"";position:absolute;bottom:-12px;left:0;width:100%;height:3px;background:linear-gradient(90deg,transparent,var(--neon-cyan),transparent);box-shadow:0 0 20px var(--neon-cyan)}

/* ══════════════════════════════════════
   Trajectory Section
   ══════════════════════════════════════ */
.trajectory-section{background:var(--dark-secondary);text-align:center}
.trajectory-container{max-width:1100px;margin:0 auto;position:relative}
.trajectory-wrapper{
  position:relative;width:100%;border:1px solid var(--glass-border);border-radius:20px;
  overflow:hidden;padding:16px;background:transparent;
}
.trajectory-wrapper::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(0,240,255,.08) 0%,transparent 50%,rgba(255,0,255,.06) 100%);
  pointer-events:none;z-index:2;
}
#trajectory-canvas{width:100%;height:auto;border-radius:12px;display:block;background:transparent;position:relative;z-index:1}
.route-map-layer{position:absolute;inset:0;border-radius:12px;overflow:hidden;z-index:0;pointer-events:none;transition:opacity .5s ease}
.route-map-layer::before{
  content:"";position:absolute;inset:0;
  background:url(./imgs/route-map.webp) center/cover no-repeat;
  opacity:.12;filter:saturate(.5) contrast(1.3) hue-rotate(160deg);mix-blend-mode:screen;
}
.route-map-layer::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(0,240,255,.06) 0%,transparent 50%),linear-gradient(225deg,rgba(255,0,255,.04) 0%,transparent 50%);
}
.trajectory-legend{display:flex;justify-content:center;gap:28px;margin-top:20px;flex-wrap:wrap}
.legend-item{display:flex;align-items:center;gap:8px;font-size:.85rem;color:#ffffffb3}
.legend-dot{width:12px;height:12px;border-radius:50%;flex-shrink:0}
.trajectory-controls{display:flex;justify-content:center;gap:16px;margin-top:24px}
.cyber-btn{
  font-family:Orbitron,monospace;padding:10px 28px;border:1px solid var(--neon-cyan);
  background:#00f0ff14;color:var(--neon-cyan);border-radius:8px;cursor:pointer;
  font-size:.82rem;letter-spacing:2px;transition:all .3s;
}
.cyber-btn:hover{background:#00f0ff33;box-shadow:0 0 20px #00f0ff4d}
.cyber-btn.active{background:var(--neon-cyan);color:var(--dark-bg)}

/* ══════════════════════════════════════
   Background Decorations
   ══════════════════════════════════════ */
.cyber-grid{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(0,240,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,240,255,.03) 1px,transparent 1px);
  background-size:60px 60px;
}
.scanlines{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.03) 2px,rgba(0,0,0,.03) 4px);
  opacity:.4;
}
.particles{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}

/* ══════════════════════════════════════
   Checkpoints
   ══════════════════════════════════════ */
.route-section{background:var(--dark-bg)}
.checkpoints-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px}
.checkpoint-card{
  background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;
  padding:28px;position:relative;overflow:hidden;transition:all .4s;
  opacity:1;transform:translateY(0);
}
.checkpoint-card.hidden-animate{opacity:0;transform:translateY(30px)}
.checkpoint-card.visible{opacity:1;transform:translateY(0)}
.checkpoint-card:hover{transform:translateY(-5px) scale(1.02);border-color:var(--neon-cyan);box-shadow:0 10px 40px #00f0ff1f}
.checkpoint-card::before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,var(--neon-cyan),var(--neon-magenta))}
.checkpoint-number{font-family:Orbitron,monospace;font-size:3.5rem;font-weight:900;color:#00f0ff14;position:absolute;top:8px;right:16px}
.checkpoint-icon{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--neon-cyan),var(--neon-magenta));display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:1.4rem}
.checkpoint-title{font-size:1.25rem;font-weight:700;margin-bottom:8px}
.checkpoint-desc{font-size:.92rem;color:#fff9;line-height:1.7}
.checkpoint-coord{font-family:Orbitron,monospace;font-size:.75rem;color:var(--neon-cyan);opacity:.6;margin-top:8px}
.checkpoint-challenge{display:inline-block;padding:4px 12px;margin-top:10px;background:#ff22441f;border:1px solid rgba(255,34,68,.4);border-radius:20px;font-size:.78rem;color:#ff6b8a}

/* ══════════════════════════════════════
   Detail Section
   ══════════════════════════════════════ */
.detail-section{background:var(--dark-secondary)}
.detail-grid{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.detail-card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;padding:24px;transition:all .3s}
.detail-card:hover{border-color:var(--neon-magenta);transform:translateY(-4px)}
.detail-card h3{font-size:1.1rem;margin-bottom:12px;color:var(--neon-cyan);font-weight:700}
.detail-card p,.detail-card li{font-size:.9rem;color:#ffffffa6;line-height:1.8}
.detail-card ul,.detail-card ol{padding-left:20px}
.detail-card li{margin:4px 0}
.supply-table{width:100%;border-collapse:collapse;margin-top:12px;font-size:.88rem}
.supply-table th,.supply-table td{padding:10px 14px;text-align:left;border-bottom:1px solid rgba(255,255,255,.08)}
.supply-table th{background:#00f0ff14;color:var(--neon-cyan);font-weight:600;font-size:.82rem;letter-spacing:1px}

/* ══════════════════════════════════════
   Gallery (inside routebook)
   ══════════════════════════════════════ */
.routebook-gallery{margin-top:50px}
.gallery-grid{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(3,200px);gap:20px}
.gallery-item{position:relative;overflow:hidden;border-radius:12px;cursor:pointer;border:1px solid rgba(0,240,255,.15);transition:all .4s cubic-bezier(.4,0,.2,1)}
.gallery-item:hover{border-color:var(--neon-cyan);box-shadow:0 0 30px #00f0ff33,inset 0 0 20px #00f0ff0d;transform:scale(1.02) translateY(-4px);z-index:10}
.gallery-item::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,240,255,.1) 0%,transparent 50%,rgba(255,0,255,.05) 100%);opacity:0;transition:opacity .4s;z-index:1}
.gallery-item:hover::before{opacity:1}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery-item:hover img{transform:scale(1.1)}
.gallery-hero{grid-column:span 2;grid-row:span 2}
.gallery-wide{grid-column:span 2;grid-row:span 1}
.gallery-thumb{grid-column:span 1;grid-row:span 1}
.gallery-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.85) 100%);opacity:0;transition:opacity .4s;display:flex;flex-direction:column;justify-content:flex-end;padding:20px;z-index:2}
.gallery-item:hover .gallery-overlay{opacity:1}
.gallery-tag{display:inline-block;padding:4px 10px;margin-bottom:8px;background:#00f0ff33;border:1px solid var(--neon-cyan);border-radius:20px;font-size:.65rem;color:var(--neon-cyan);letter-spacing:1px;text-transform:uppercase;width:fit-content}
.gallery-caption{font-size:.9rem;font-weight:500;color:#fff;line-height:1.5}

/* ══════════════════════════════════════
   Timeline
   ══════════════════════════════════════ */
.timeline-section{background:var(--dark-secondary);position:relative;padding:80px 20px}
.timeline{max-width:900px;margin:0 auto;position:relative}
.timeline::before{content:"";position:absolute;left:50%;transform:translate(-50%);width:3px;height:100%;background:linear-gradient(180deg,var(--neon-cyan),var(--neon-magenta));box-shadow:0 0 20px var(--neon-cyan)}
.timeline-item{position:relative;padding:30px;width:50%;box-sizing:border-box;opacity:0;transform:translate(-50px);transition:all .6s ease}
.timeline-item.visible{opacity:1;transform:translate(0)}
.timeline-item:nth-child(odd){margin-left:0;text-align:right;padding-right:50px}
.timeline-item:nth-child(2n){margin-left:50%;text-align:left;padding-left:50px}
.timeline-dot{position:absolute;width:20px;height:20px;background:var(--neon-cyan);border-radius:50%;top:35px;box-shadow:0 0 20px var(--neon-cyan)}
.timeline-item:nth-child(odd) .timeline-dot{right:-10px}
.timeline-item:nth-child(2n) .timeline-dot{left:-10px}
.timeline-content{background:var(--glass-bg);border:1px solid rgba(0,240,255,.2);border-radius:16px;padding:25px}
.timeline-content h3{font-size:1.2rem;font-weight:700;color:var(--neon-cyan);margin-bottom:10px}
.timeline-content p{font-size:.95rem;color:#ffffffb3;line-height:1.7}

/* ══════════════════════════════════════
   Winners
   ══════════════════════════════════════ */
.winners-section{background:linear-gradient(135deg,var(--dark-bg) 0%,var(--dark-secondary) 100%);position:relative;overflow:hidden}
.winners-section::before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(0,240,255,.1) 0%,transparent 70%);pointer-events:none}
.winners-grid{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.winner-card{text-align:center;padding:40px 20px;background:var(--glass-bg);border:1px solid rgba(0,240,255,.2);border-radius:24px;position:relative;transition:all .4s ease}
.winner-card:hover{transform:translateY(-10px);box-shadow:0 20px 50px #00f0ff33}
.winner-card.winner-champion{border-color:gold;box-shadow:0 0 40px #ffd70033}
.winner-card.winner-second{border-color:silver;box-shadow:0 0 30px rgba(192,192,192,.2)}
.winner-card.winner-third{border-color:#cd7f32;box-shadow:0 0 30px rgba(205,127,50,.2)}
.winner-badge{font-size:2rem;margin-bottom:8px}
.winner-card.winner-champion .winner-badge{text-shadow:0 0 20px #ffd700}
.winner-card.winner-second .winner-badge{text-shadow:0 0 15px silver}
.winner-card.winner-third .winner-badge{text-shadow:0 0 15px #cd7f32}
.winner-name{font-size:1.8rem;font-weight:900;margin-bottom:10px;background:linear-gradient(180deg,#fff 0%,var(--neon-cyan) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.winner-time{font-family:Orbitron,monospace;font-size:2.5rem;font-weight:900;color:var(--neon-cyan);text-shadow:0 0 30px var(--neon-cyan);margin:20px 0}
.winner-team{font-size:.9rem;color:#fff9}
.winner-img{width:120px;height:120px;border-radius:50%;object-fit:cover;margin:0 auto 20px;border:3px solid var(--neon-cyan);box-shadow:0 0 30px #00f0ff4d}
.winner-desc{font-size:.85rem;color:#fff9;margin-top:8px}
.champion-quote{max-width:700px;margin:60px auto 0;text-align:center;padding:30px;font-style:italic;background:var(--glass-bg);border:1px solid rgba(0,240,255,.2);border-radius:16px}
.champion-quote p{font-size:1.1rem;color:#fffc;line-height:1.8;margin-bottom:12px}
.champion-quote span{color:var(--neon-cyan);font-size:.9rem}

/* ══════════════════════════════════════
   Routebook
   ══════════════════════════════════════ */
.routebook-section{background:var(--dark-bg);position:relative}
.routebook-container{max-width:1200px;margin:0 auto}
.routebook-intro{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;padding:30px;margin-bottom:40px}
.routebook-intro h3{font-size:1.3rem;color:var(--neon-cyan);margin-bottom:15px}
.routebook-intro p{color:#ffffffb3;line-height:1.8}
.routebook-stage{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;padding:25px;margin-bottom:20px;position:relative}
.routebook-stage::before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,var(--neon-cyan),var(--neon-magenta));border-radius:4px 0 0 4px}
.routebook-stage h4{font-size:1.1rem;color:var(--neon-cyan);margin-bottom:10px}
.routebook-stage p{color:#ffffffb3;font-size:.95rem;line-height:1.7}
.routebook-stage strong{color:var(--neon-orange)}

/* ══════════════════════════════════════
   Footer
   ══════════════════════════════════════ */
footer{background:#1d1d1f;padding:60px 20px;text-align:center;position:relative;z-index:1}
.footer-logo{font-family:Orbitron,monospace;font-size:1.8rem;font-weight:900;background:linear-gradient(90deg,var(--neon-cyan),var(--neon-magenta));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:16px}
.footer-text{color:#ffffffb3;font-size:.88rem;margin-bottom:20px}
.footer-neon{font-family:Orbitron,monospace;font-size:.78rem;color:var(--neon-cyan);text-shadow:0 0 10px var(--neon-cyan);letter-spacing:4px}

/* ══════════════════════════════════════
   Reveal Animations
   ══════════════════════════════════════ */
.reveal{opacity:0;transform:translateY(40px);transition:all .8s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ══════════════════════════════════════
   Lightbox
   ══════════════════════════════════════ */
.lightbox{position:fixed;inset:0;background:#000000f2;display:flex;align-items:center;justify-content:center;z-index:2000;opacity:0;pointer-events:none;transition:opacity .3s}
.lightbox.active{opacity:1;pointer-events:auto}
.lightbox img{max-width:90%;max-height:90%;border-radius:8px;box-shadow:0 0 50px #00f0ff4d}
.lightbox-close{position:absolute;top:24px;right:24px;width:44px;height:44px;background:var(--glass-bg);border:1px solid var(--neon-cyan);border-radius:50%;cursor:pointer;transition:all .3s;display:flex;align-items:center;justify-content:center}
.lightbox-close:hover{background:var(--neon-cyan);transform:rotate(90deg)}
.lightbox-close::before,.lightbox-close::after{content:"";position:absolute;width:18px;height:2px;background:var(--neon-cyan)}
.lightbox-close:hover::before,.lightbox-close:hover::after{background:var(--dark-bg)}
.lightbox-close::before{transform:rotate(45deg)}
.lightbox-close::after{transform:rotate(-45deg)}

/* ══════════════════════════════════════
   Hamburger Menu
   ══════════════════════════════════════ */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:2px;background:var(--neon-cyan);transition:all .3s}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ══════════════════════════════════════
   Responsive: Tablet (≤1024px)
   ══════════════════════════════════════ */
@media (max-width:1024px){
  .gallery-grid{grid-template-columns:repeat(2,1fr);grid-template-rows:auto}
  .gallery-hero,.gallery-wide{grid-column:span 2;grid-row:span 1;aspect-ratio:16/9}
  .gallery-thumb{aspect-ratio:4/3}
}

/* ══════════════════════════════════════
   Responsive: Mobile (≤768px)
   ══════════════════════════════════════ */
@media (max-width:768px){
  body{overflow-x:hidden;max-width:100vw;padding-top:env(safe-area-inset-top,0)}
  nav{padding:12px 16px;padding-left:calc(16px + env(safe-area-inset-left,0));padding-right:calc(16px + env(safe-area-inset-right,0))}
  .hamburger{display:flex}
  .nav-links{position:fixed;top:52px;left:0;right:0;background:#0a0a0ffa;flex-direction:column;gap:0;max-height:0;overflow:hidden;transition:max-height .3s;border-top:1px solid rgba(0,240,255,.2)}
  .nav-links.active{max-height:calc(100vh - 52px);overflow-y:auto}
  .nav-links li{width:100%;text-align:center}
  .nav-links a{padding:14px;display:block;border-bottom:1px solid rgba(255,255,255,.05)}
  .hero{padding:80px 12px 60px;min-height:auto}
  .glitch-title{font-size:clamp(2rem,8vw,3rem)}
  .hero-content{max-width:100%;text-align:center}
  .stats-container{gap:10px;padding:0 8px}
  .stat-item{min-width:100px;padding:12px 8px}
  .stat-number{font-size:1.4rem}
  .stat-label{font-size:.7rem}
  .trajectory-section{padding-bottom:calc(60px + env(safe-area-inset-bottom,0))}
  .trajectory-section .section-title{display:block;text-align:center;margin-left:auto;margin-right:auto;padding:0 10px}
  .trajectory-container{padding:0 8px;max-width:100%}
  .trajectory-wrapper{padding:8px;border-radius:12px;margin:0 auto}
  #trajectory-canvas{max-width:100%;height:auto}
  .trajectory-legend{font-size:.7rem;gap:10px;padding:0 8px;flex-wrap:wrap;justify-content:center}
  .trajectory-controls{flex-wrap:wrap;gap:8px;padding-bottom:env(safe-area-inset-bottom,0)}
  section{padding:50px 12px;padding-bottom:calc(50px + env(safe-area-inset-bottom,0))}
  .section-title{font-size:clamp(1.3rem,5vw,2rem);white-space:normal}
  .gallery-grid{grid-template-columns:1fr;grid-template-rows:auto}
  .gallery-hero,.gallery-wide{grid-column:span 1;aspect-ratio:4/3}
  .gallery-thumb{aspect-ratio:4/3}
  .checkpoints-grid{grid-template-columns:1fr;padding:0}
  .winners-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;gap:20px;padding:0 20px;max-width:100%}
  .winner-card{min-width:280px;scroll-snap-align:center}
  .timeline::before{left:20px}
  .timeline-item{width:100%;padding-left:50px;padding-right:0;text-align:left}
  .timeline-item:nth-child(odd){text-align:left}
  .timeline-item:nth-child(odd) .timeline-dot{left:-10px;right:auto}
  .timeline-item:nth-child(2n) .timeline-dot{left:-10px}
  .timeline-item:nth-child(2n){margin-left:0}
}