/* Final cross-device compatibility layer — preserves the established design */
html,body{width:100%;max-width:100%;min-width:0}body{overflow-wrap:anywhere}main,header,footer,section,article,aside,nav,form,figure,div{min-width:0}img,video,svg,canvas,iframe{max-width:100%}img{height:auto}input,select,textarea,button{max-width:100%;font:inherit}.hero-actions{flex-wrap:wrap}.button,.launch-al,.alana-launch,.board-launch a,.support-launch,.investor-submit{min-height:44px}.section,.hero,.nav-shell,footer{width:100%}

@media(max-width:1240px){
  .nav-shell{padding-inline:18px}
  .nav-shell>#site-nav{display:none;position:absolute;z-index:80;top:76px;right:18px;left:auto;width:min(390px,calc(100vw - 36px));max-height:calc(100dvh - 105px);overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;padding:18px;flex-direction:column;align-items:stretch;gap:5px;border:1px solid rgba(64,234,245,.35);background:rgba(4,27,47,.98);box-shadow:0 24px 65px rgba(0,0,0,.52);backdrop-filter:blur(16px);scrollbar-width:thin;scrollbar-color:var(--cyan) rgba(2,13,24,.5)}
  .nav-shell>#site-nav.open{display:flex}
  .nav-shell>#site-nav>a{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:10px 12px;border:1px solid rgba(64,234,245,.09);font-size:12px}
  .nav-shell>#site-nav>a:hover,.nav-shell>#site-nav>a:focus-visible{border-color:rgba(64,234,245,.38);background:rgba(64,234,245,.06);outline:none}
  .menu{display:block;min-width:68px;min-height:42px;background:rgba(3,17,31,.78);border:1px solid var(--line);color:#fff;padding:9px 14px;cursor:pointer}
  .standalone-launch{right:18px}
}

@media(max-width:1050px){
  .hero{grid-template-columns:1fr;gap:25px;padding-top:38px}
  .hero-copy{padding:25px 0 10px;max-width:820px}
  .hero-visual{width:min(820px,100%);margin-inline:auto}
  .visual-frame{height:min(720px,78vh);min-height:540px}
  .hero-actions{max-width:760px}
  .proof-grid{max-width:700px}
  .status-card{left:15px}
  .section-head{grid-template-columns:1fr;gap:18px}
  .section-head .eyebrow{grid-column:auto}
}

@media(max-width:760px){
  .nav-shell{margin-bottom:142px}.standalone-launch{top:151px;right:18px;left:18px;width:auto}
  .section{padding:82px 18px}
  .hero{padding-inline:18px}
  .hero h1,.section h2,.robot-copy h2,.responsible h2,.demo h2{overflow-wrap:normal;word-break:normal}
  .hero-actions{display:grid;grid-template-columns:1fr 1fr;width:100%}
  .hero-actions .button{width:100%;padding-inline:14px;text-align:center}
  .proof-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .proof-grid b{font-size:15px}.proof-grid span{font-size:9px}
  .visual-frame{height:600px;min-height:0}
  .status-card{right:12px;bottom:18px;left:12px;justify-content:center}
  footer{padding-inline:18px}
  .responsible,.demo{gap:38px}
  .demo-form,.investor-form{grid-template-columns:1fr}
  .demo-form label,.demo-form .wide,.investor-form label,.investor-form .wide{grid-column:1}
  .side-command{max-width:calc(100vw - 24px)}
}

@media(max-width:520px){
  .nav-shell{height:72px;padding-inline:12px}
  .brand{gap:8px}.brand>span:last-child{max-width:155px}.brand b{font-size:12px}.brand small{font-size:7px;letter-spacing:.08em}
  .brand-mark.brand-logo{width:52px;height:44px}
  .menu{min-width:58px;padding-inline:10px;font-size:11px}
  .nav-shell>#site-nav{top:68px;right:12px;width:calc(100vw - 24px);max-height:calc(100dvh - 88px)}
  .nav-shell{margin-bottom:142px}.standalone-launch{top:138px;right:12px;left:12px;min-width:0}
  .hero{padding-top:20px}.hero h1{font-size:clamp(36px,11.5vw,47px)}.lead{font-size:16px}
  .hero-actions{grid-template-columns:1fr;gap:10px;margin-block:25px}
  .patent-notice{width:100%;padding-inline:12px}.patent-notice b{font-size:9px;letter-spacing:.09em}
  .proof-grid{grid-template-columns:1fr;gap:13px;margin-top:25px}.proof-grid div{display:grid;grid-template-columns:86px 1fr;align-items:center;gap:12px;padding-top:10px}.proof-grid span{margin:0;font-size:10px}
  .visual-frame{height:520px;border-radius:19px}
  .hero-brain-core{left:55%;top:1%;transform:translateX(-50%) scale(.92)}
  .hero-brain-label{min-width:142px}
  .ticker{font-size:10px}
  .section{padding:70px 14px}.section h2{font-size:clamp(34px,10.5vw,46px)}
  .button{gap:10px}
  .robot-copy,.responsible,.demo{padding:45px 18px}
  .robot-image{min-height:0;padding:24px}
  .map-status{padding:12px}.map-status b{font-size:9px}
  .board-command{clip-path:none}.board-status b{display:none}
  .board-square span{font-size:clamp(1rem,7vw,1.7rem)}
  .watson-card,.feature-card{padding-inline:18px}
  .watson-flow{overflow-wrap:anywhere}
  .investor-inquiry{margin-bottom:65px}
  .investor-patent-program h3{font-size:18px}
  footer{gap:20px;padding:38px 14px 55px}footer>p{max-width:100%}
}

@media(max-width:360px){
  .brand>span:last-child{display:none}
  .hero h1{font-size:35px}
  .section{padding-inline:11px}
  .standalone-launch{left:10px;right:10px}
  .visual-frame{height:470px}
  .hero-brain-core{transform:translateX(-50%) scale(.82)}
  .alana-brain-core{transform:scale(.84);transform-origin:top left}
}

@media(hover:none) and (pointer:coarse){
  a,button,input,select,textarea{touch-action:manipulation}
  .side-command:hover{width:72px}
  .side-command.open,.side-command:focus-within{width:min(260px,calc(100vw - 24px))}
  .side-links a{min-height:46px}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}