/* Shared base for all concept pages */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg,iframe,video{display:block;max-width:100%}
img{height:auto}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;padding:0}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.ic{width:1.15em;height:1.15em;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.skip{position:absolute;left:-999px;top:8px;z-index:300;padding:10px 14px;background:#fff;color:#000;border-radius:6px}
.skip:focus{left:8px}
:focus-visible{outline:2px solid #000AA8;outline-offset:3px}

/* Concept navigation strip (prototype only, remove at launch) */
.concept-strip{background:#0b0d17;color:#aab1cc;font:500 12px/1.3 system-ui,-apple-system,"Segoe UI",sans-serif;letter-spacing:.03em;text-align:center;padding:9px 16px;position:relative;z-index:70}
.concept-strip strong{color:#fff;font-weight:600}
.concept-strip a{color:#fff;text-underline-offset:3px;margin:0 6px}

/* Scroll reveal (only when JS is running, so content never hides without it) */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:400;background:rgba(4,8,30,.94);display:grid;place-items:center;padding:64px 16px}
.lightbox[hidden]{display:none}
.lightbox img{max-height:84vh;max-width:min(92vw,880px);width:auto;border-radius:6px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lightbox button{position:absolute;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);color:#fff;width:48px;height:48px;border-radius:50%;font-size:26px;line-height:1;display:grid;place-items:center;transition:background .2s}
.lightbox button:hover{background:rgba(255,255,255,.2)}
.lb-close{top:14px;right:14px}
.lb-prev{left:14px;top:50%;transform:translateY(-50%)}
.lb-next{right:14px;top:50%;transform:translateY(-50%)}

/* Video + map */
.video{position:relative;aspect-ratio:16/9;overflow:hidden;background:#000}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt{position:absolute;inset:0;width:100%;height:100%}
.yt img{width:100%;height:100%;object-fit:cover;transition:transform 1s}
.yt:hover img{transform:scale(1.03)}
.yt .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:84px;height:84px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.95);color:#000AA8;box-shadow:0 20px 50px rgba(0,0,0,.35)}
.yt .play svg{width:28px;height:28px;margin-left:4px;fill:currentColor;stroke:none}
.map iframe{border:0;width:100%;height:100%}

/* Mobile action bar */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;grid-template-columns:1fr 1fr 1.5fr;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom))}
.mbar a{display:flex;align-items:center;justify-content:center;gap:7px;height:46px;border-radius:999px;font-size:14px;font-weight:500;text-decoration:none}
@media (max-width:760px){.mbar{display:grid}body{padding-bottom:70px}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}