:root{--navy:#1f3f5b;--panel:#203a56;--ink:#06172c;--gold:#f5b301;--surface:#d7dce6}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:var(--navy);color:#fff}.page-shell{position:relative;min-height:100vh;padding:14px 0 18px;background-color:var(--navy);background-image:url(/solar-background.png);background-position:50%;background-repeat:no-repeat;background-size:cover;filter:brightness(1.08) contrast(1.05);display:flex;flex-direction:column}.page-shell:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,23,44,.28),rgba(6,23,44,.42));pointer-events:none}.beta-footer,.chat-shell,.hero,footer{position:relative;z-index:1}.hero{width:min(1320px,95%);margin:0 auto;display:grid;grid-gap:6px;gap:6px;justify-items:center;text-align:center;flex:0 0 auto}.headline{font-size:clamp(2.3rem,3.4vw,3.75rem);line-height:1.12;letter-spacing:-.01em;margin:0;font-weight:300;text-wrap:balance}.hero-logo{width:min(500px,52vw);height:auto}.service-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:4px}.service-link{border:0;background:transparent;color:var(--gold);font-size:clamp(1.15rem,1.35vw,1.5rem);font-weight:700;cursor:pointer;padding:2px 0;text-decoration:none;transition:opacity .2s ease}.service-link:focus-visible,.service-link:hover{opacity:.85}.service-divider{color:hsla(0,0%,100%,.25);font-size:clamp(1.15rem,1.35vw,1.5rem);font-weight:700}.chat-shell{width:min(1320px,95%);margin:auto auto clamp(6px,2vh,18px);background:hsla(0,0%,100%,.08);border:1px solid hsla(0,0%,100%,.35);border-radius:22px;backdrop-filter:blur(22px) saturate(160%);-webkit-backdrop-filter:blur(22px) saturate(160%);box-shadow:inset 0 0 0 1px hsla(0,0%,100%,.25),0 10px 40px rgba(0,0,0,.35);padding:clamp(18px,2.5vw,32px)}.messages{display:grid;grid-gap:18px;gap:18px;background:hsla(0,0%,100%,.05);border:none;border-radius:18px;backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);box-shadow:inset 0 18px 28px hsla(0,0%,100%,.06);padding:clamp(16px,2.2vw,22px);min-height:clamp(220px,26vw,360px);max-height:48vh;overflow-y:auto;color:hsla(0,0%,100%,.92)}.msg-row{display:block}.msg-row+.msg-row{margin-top:16px}.bubble{margin:0;font-size:clamp(.75rem,.9vw,1rem);line-height:1.5;font-weight:500;padding:0;border-radius:0;color:hsla(0,0%,100%,.92)}.user-bubble{padding:10px 14px;border-radius:16px;background:rgba(6,23,44,.42);border:1px solid hsla(0,0%,100%,.14);backdrop-filter:blur(10px) saturate(140%);-webkit-backdrop-filter:blur(10px) saturate(140%);width:-moz-fit-content;width:fit-content;max-width:min(820px,92%);margin-left:auto}.assistant-bubble{background:transparent;border:none;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;padding:0;border-radius:0;font-size:clamp(.8rem,1vw,1.1rem);line-height:1.55;font-weight:500;font-family:Inter,system-ui,sans-serif;color:hsla(0,0%,100%,.92);max-width:min(980px,96%)}.typing{color:hsla(0,0%,100%,.85);font-style:italic;font-weight:500}.input-wrap{margin-top:18px;display:flex;gap:10px;align-items:stretch}.chat-input{width:100%;border:1px solid hsla(0,0%,100%,.22);border-radius:14px;background:hsla(0,0%,100%,.1);color:hsla(0,0%,100%,.92);backdrop-filter:blur(16px) saturate(160%);-webkit-backdrop-filter:blur(16px) saturate(160%);font-size:clamp(1.55rem,2vw,2.25rem);line-height:1.25;resize:none;padding:14px 20px;min-height:62px;outline:none}.chat-input::placeholder{color:hsla(0,0%,100%,.62);opacity:1;font-size:.85em}