html,body{max-width:100%;overflow-x:hidden}
.hero-copy,.hero-intel,.strategy-title,.strategy-copy,.variety-content,.ai-intro,.model-node,.supply-content{min-width:0}
@media(max-width:640px){
  .site-header{width:100%;padding:0 16px}
  .site-header .brand{max-width:calc(100% - 52px)}
  .nav-toggle{display:block;position:absolute;right:10px;top:13px;z-index:3;flex:0 0 42px}
  .hero{min-height:1050px}
  .hero-inner{display:block;width:calc(100% - 36px);max-width:100%;height:auto;padding:118px 0 270px}
  .hero-copy{width:100%}
  .hero h1{font-size:46px;line-height:1.02;letter-spacing:-.06em;margin:22px 0 25px;max-width:100%}
  .hero-lead{width:100%;font-size:14px;line-height:1.85}
  .hero-actions{width:100%;gap:10px;margin-top:30px}
  .hero-actions .btn{width:100%}
  .hero-intel{width:100%;max-width:100%;margin-top:26px;padding:16px}
  .intel-data div{padding:11px 8px;min-width:0}
  .intel-data b{display:block;font-size:11px;white-space:normal}
  .intel-task p{font-size:11px}
  .hero-stats{width:100%;left:0;right:0}
  .hero-stats div{min-width:0}
  .strategy-chain div{min-width:0;padding:20px 12px}
  .strategy-chain span{font-size:15px}
  .variety-content h2{font-size:78px}
  .trait-list>div,.supply-list>div{grid-template-columns:40px minmax(0,1fr)}
  .section-head h2,.strategy-title h2,.closing h2{font-size:34px}
  .base-overlay{left:20px;right:20px;bottom:20px}
  .base-card h3{font-size:28px}
  .ai-intro h2{font-size:37px}
  .core-rings{width:180px;height:180px}
  .closed-loop{grid-template-columns:repeat(2,minmax(0,1fr))}
  .partner-banner h3{overflow-wrap:anywhere}
  .footer .brand{max-width:100%}
}