@media(max-width:650px){
 html{scroll-padding-top:20px} .shell{padding-left:18px;padding-right:18px}
 .nav{padding-top:17px;padding-bottom:13px;gap:12px;align-items:center}
 .brand{flex-wrap:wrap;gap:6px 10px}.brand strong{font-size:22px}.brand span{font-size:12px}
 .nav-links{width:100%;justify-content:space-between;gap:8px;flex-wrap:nowrap;font-size:15px}
 .nav-links>a,.nav-links>button{display:inline-flex;align-items:center;min-height:42px;white-space:nowrap}
 .hero{padding-top:27px;gap:25px}.hero h1{font-size:clamp(32px,9.2vw,40px);line-height:1.5;letter-spacing:-.03em}
 .intro{font-size:16px;line-height:1.95}.actions{gap:16px}.primary,.text-link{min-height:44px;display:inline-flex;align-items:center;font-size:16px}
 .hero-meta{gap:8px}.hero-meta span{font-size:13px}.hero-visual{padding-left:0!important;padding-top:10px!important}
 .hero-visual .window-top{font-size:11px;padding:11px 12px}.hero-outcome{gap:10px;align-items:flex-start}.hero-outcome strong{font-size:15px;line-height:1.6}.hero-outcome span{font-size:12px;line-height:1.6}.hero-outcome .outcome-count{font-size:19px}
 .hero-visual .visual-caption{padding-top:4px;gap:10px}.visual-caption strong{font-size:16px;line-height:1.6}.visual-caption .index{display:none}.hero-visual .small-note{line-height:1.9;font-size:12px}.small-note a{display:inline-block;padding:6px 0}
 .filters{display:flex;gap:5px;flex-wrap:wrap}.filters button{min-height:44px;font-size:14px;padding:8px 12px}
 .feature{padding:20px}.feature h3{font-size:26px}.feature .description{line-height:1.9}.project-row{gap:10px}.project-row h3{font-size:18px;line-height:1.6;overflow-wrap:anywhere}.project-row p{line-height:1.8}.project-row .credential{line-height:1.6}
 .site-guide{padding:18px}.guide-action{min-height:44px;display:inline-flex;align-items:center}.contact{flex-wrap:wrap}.contact a{min-height:44px;display:inline-flex;align-items:center}
 .chat-launcher{right:12px;bottom:calc(12px + env(safe-area-inset-bottom));padding:11px 13px;min-height:46px;box-shadow:0 5px 20px #37584314}.chat-launcher small{display:none}.chat-launcher b{font-size:14px}.chat-panel{left:8px;right:8px;bottom:calc(8px + env(safe-area-inset-bottom));height:min(650px,calc(100dvh - 16px - env(safe-area-inset-bottom)));border-radius:16px}.chat-starters{flex-wrap:wrap}.chat-starters button{min-height:40px}.chat-close{min-width:40px;min-height:40px}.chat-message{overflow-wrap:anywhere}.chat-form{padding:12px;gap:8px}.chat-form input{min-width:0;font-size:16px}
 footer.shell{padding-top:20px;padding-bottom:calc(88px + env(safe-area-inset-bottom));font-size:13px;line-height:1.8;gap:8px;overflow-wrap:anywhere}
}
@media(min-width:651px) and (max-width:900px){.nav-links{gap:14px}.shell{padding-left:24px;padding-right:24px}}