/* ─────────────────────────────────────────────────────────────────────────────
   SHOWCASE — DEMO DETAIL
   A variant of the live-demo template: a detail page ABOUT a playable demo,
   with a mixed image/video slideshow and a live link through to the demo itself.
   Rendered by js/showcase-demo-detail.js from data.json → demoDetails.
   ───────────────────────────────────────────────────────────────────────────── */

:root {
  --bg:#080a0d;--bg2:#0c0f14;--bg3:#101620;--surf:#141a24;--surf2:#1a2233;--border:#1e2a3a;--border2:#263347;
  --accent:#00c2ff;--green:#00e5a0;--amber:#ffaa00;--text:#dde6f0;--text2:#7a90a8;--text3:#6b8aa6;
  --display:'Bebas Neue',sans-serif;--body:'Outfit',sans-serif;--mono:'JetBrains Mono',monospace;--r:4px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--text);font-family:var(--body);font-size:16px;line-height:1.6;overflow-x:hidden;}
::-webkit-scrollbar{width:4px;}::-webkit-scrollbar-track{background:var(--bg);}::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px;}
img{max-width:100%;}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:200;height:60px;padding:0 48px;display:flex;align-items:center;justify-content:space-between;background:rgba(8,10,13,0.95);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);}
.nav-logo{font-family:var(--display);font-size:22px;letter-spacing:.05em;color:var(--text);text-decoration:none;}
.nav-logo em{color:var(--accent);font-style:normal;}
.nav-links{display:flex;gap:4px;list-style:none;}
.nav-links a{font-family:var(--mono);font-size:11px;color:var(--text2);text-decoration:none;letter-spacing:.1em;padding:6px 14px;border-radius:var(--r);transition:all .2s;}
.nav-links a:hover{color:var(--accent);background:rgba(0,194,255,.06);}
.nav-links .nav-cta,.nav-cta{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:#0a1628 !important;background:var(--accent);border:none;padding:8px 20px !important;border-radius:var(--r);text-decoration:none;font-weight:500;transition:background .2s;}
.nav-cta:hover{background:#00aadd !important;}

/* BREADCRUMB */
.breadcrumb{position:fixed;top:60px;left:0;right:0;z-index:100;height:36px;padding:0 48px;display:flex;align-items:center;gap:8px;background:var(--bg2);border-bottom:1px solid var(--border);}
.bc-item{font-family:var(--mono);font-size:10px;color:var(--text2);text-decoration:none;letter-spacing:.08em;transition:color .2s;}
.bc-item:hover{color:var(--accent);}
.bc-sep{font-size:10px;color:var(--text2);}
.bc-current{font-family:var(--mono);font-size:10px;color:var(--accent);letter-spacing:.08em;}

/* ── HERO ─────────────────────────────────────────────────────────────────── */
#dd-hero{margin-top:96px;padding:0 48px;}
.dd-hero-inner{max-width:1240px;margin:0 auto;}

/* Keep the whole 16:9 stage on screen. Without this the stage is 698px tall on a
   1440x900 laptop and its bottom edge lands ~80px below the fold, so every image
   needs a scroll to see whole. Capping the hero width by the available HEIGHT
   makes the derived stage height fit; the title, strip and action bar ride the
   same width so everything stays aligned. Tall screens are unaffected (1240 cap).
   ~300px covers the fixed nav + breadcrumb + title block above the stage. */
@media (min-width:961px){
  .dd-hero-inner{width:min(1240px, calc((100vh - 300px) * 16 / 9));}
}

/* Title block sits above the stage so the media reads as the subject */
.dd-head{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end;margin-bottom:20px;}
.dd-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,229,160,.08);border:1px solid rgba(0,229,160,.25);padding:5px 12px;border-radius:2px;margin-bottom:14px;}
.dd-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green);animation:ddPulse 2s ease-in-out infinite;}
@keyframes ddPulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.dd-badge-text{font-family:var(--mono);font-size:10px;color:var(--green);letter-spacing:.15em;}
.dd-title{font-family:var(--display);font-size:clamp(40px,6vw,84px);line-height:.92;letter-spacing:.02em;}
.dd-tagline{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.14em;margin-top:10px;}

/* ── MEDIA STAGE — the slideshow ──────────────────────────────────────────── */
.dd-stage{position:relative;aspect-ratio:16/9;background:var(--bg3);border:1px solid var(--border);border-radius:8px;overflow:hidden;}
.dd-slide{position:absolute;inset:0;opacity:0;transition:opacity .55s ease;pointer-events:none;}
.dd-slide.active{opacity:1;pointer-events:auto;}
/* contain, not cover. The Nanobot captures are 2.22:1 (a wide browser window)
   while the stage is 16:9, and cover would crop ~10% off each side — which is
   exactly where that game's HUD lives (score top-right, weapons and toxicity
   bottom-left, beam and overdrive bottom-right). Hollowmere's stills are
   exactly 16:9, so contain renders them identically to cover. */
.dd-slide img,.dd-slide video{width:100%;height:100%;object-fit:contain;display:block;}

/* Placeholder shown when a slide's file isn't in the repo yet */
.dd-slide-empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:
  repeating-linear-gradient(45deg,rgba(255,255,255,.012) 0 12px,transparent 12px 24px),var(--bg3);}
.dd-empty-icon{font-size:26px;opacity:.35;}
/* The `hidden` attribute only hides via the UA rule [hidden]{display:none}, which
   an author `display:flex` on the same element outranks — so these placeholders
   painted over every loaded image while their hidden attribute read true. */
.dd-slide-empty[hidden],.dd-thumb-empty[hidden]{display:none;}

.dd-empty-label{font-family:var(--mono);font-size:10px;color:var(--text3);letter-spacing:.16em;}
.dd-empty-file{font-family:var(--mono);font-size:11px;color:var(--text2);background:var(--surf);border:1px solid var(--border2);padding:5px 12px;border-radius:3px;}

/* ── YOUTUBE FACADE ───────────────────────────────────────────────────────── */
.dd-yt{position:absolute;inset:0;cursor:pointer;background:#000;}
.dd-yt-poster{width:100%;height:100%;object-fit:cover;display:block;}
.dd-yt.playing .dd-yt-poster,.dd-yt.playing .dd-yt-play{display:none;}
.dd-yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.dd-yt-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:6;
  width:80px;height:56px;border-radius:14px;border:none;background:rgba(8,10,13,.7);cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:background .2s,transform .2s;
  backdrop-filter:blur(4px);}
.dd-yt-play span{width:0;height:0;border-left:21px solid var(--text);border-top:13px solid transparent;
  border-bottom:13px solid transparent;margin-left:5px;}
.dd-yt:hover .dd-yt-play{background:#e62117;transform:translate(-50%,-50%) scale(1.06);}
.dd-yt:hover .dd-yt-play span{border-left-color:#fff;}

/* ── LIGHTBOX — the image at native resolution ────────────────────────────── */
/* Visible the moment it is inserted. The fade is a keyframe rather than a
   transition off a JS-toggled class: requestAnimationFrame is throttled or
   skipped in some contexts, and an overlay that stays at opacity 0 because a
   callback never ran is an invisible modal that still swallows every click. */
.dd-lightbox{position:fixed;inset:0;z-index:400;background:rgba(4,6,9,.96);display:flex;align-items:center;
  justify-content:center;padding:32px;cursor:zoom-out;opacity:1;backdrop-filter:blur(4px);
  animation:ddFadeIn .2s ease;}
.dd-lightbox.closing{opacity:0;transition:opacity .18s ease;}
@keyframes ddFadeIn{from{opacity:0;}to{opacity:1;}}
.dd-lightbox img{max-width:100%;max-height:100%;object-fit:contain;border-radius:4px;
  box-shadow:0 24px 80px rgba(0,0,0,.6);}
.dd-lb-close{position:absolute;top:20px;right:24px;font-family:var(--mono);font-size:12px;letter-spacing:.1em;
  color:var(--text2);background:transparent;border:1px solid var(--border2);padding:8px 16px;border-radius:var(--r);
  cursor:pointer;transition:all .2s;}
.dd-lb-close:hover{color:var(--accent);border-color:rgba(0,194,255,.4);}

/* Slide counter — top right of the stage */
.dd-count{position:absolute;top:14px;right:14px;z-index:5;font-family:var(--mono);font-size:10px;letter-spacing:.14em;
  color:var(--text);background:rgba(8,10,13,.7);border:1px solid rgba(255,255,255,.18);padding:5px 11px;border-radius:3px;
  backdrop-filter:blur(6px);pointer-events:none;}

/* Prev / next arrows */
.dd-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:6;width:40px;height:40px;border-radius:50%;
  background:rgba(8,10,13,.6);border:1px solid rgba(255,255,255,.18);color:var(--text);font-size:16px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:all .2s;backdrop-filter:blur(6px);}
.dd-arrow:hover{background:rgba(0,194,255,.18);border-color:rgba(0,194,255,.5);}
.dd-arrow.prev{left:14px;} .dd-arrow.next{right:14px;}

/* ── FILMSTRIP ────────────────────────────────────────────────────────────── */
.dd-strip{display:flex;gap:8px;margin-top:10px;overflow-x:auto;padding-bottom:6px;
  scrollbar-width:thin;scrollbar-color:var(--border2) transparent;}
.dd-strip::-webkit-scrollbar{height:5px;}
.dd-strip::-webkit-scrollbar-track{background:transparent;}
.dd-strip::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px;}
.dd-strip:hover::-webkit-scrollbar-thumb{background:#33455e;}
.dd-thumb{position:relative;flex:0 0 128px;height:72px;border-radius:4px;overflow:hidden;border:1px solid var(--border);
  background:var(--bg3);cursor:pointer;opacity:.5;transition:opacity .2s,border-color .2s;}
.dd-thumb:hover{opacity:.85;}
.dd-thumb.active{opacity:1;border-color:var(--accent);}
.dd-thumb img,.dd-thumb video{width:100%;height:100%;object-fit:cover;display:block;}
.dd-thumb-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:9px;color:var(--text3);letter-spacing:.1em;}
.dd-thumb-play{position:absolute;right:5px;bottom:5px;font-size:9px;color:#fff;background:rgba(8,10,13,.75);border-radius:2px;padding:1px 5px;font-family:var(--mono);}

/* ── ACTION BAR — the live link ───────────────────────────────────────────── */
.dd-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:24px;}
.dd-play{display:inline-flex;align-items:center;gap:12px;font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.1em;
  color:#04121b;background:var(--green);border:none;padding:15px 30px;border-radius:var(--r);text-decoration:none;
  transition:transform .18s,box-shadow .18s,background .18s;box-shadow:0 0 0 rgba(0,229,160,0);}
.dd-play:hover{background:#3dffbd;transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,229,160,.28);}
.dd-play-icon{font-size:15px;}
.dd-play.disabled{background:var(--surf);color:var(--text3);border:1px solid var(--border2);cursor:not-allowed;pointer-events:none;box-shadow:none;}
.dd-btn{font-family:var(--mono);font-size:11px;color:var(--text2);text-decoration:none;letter-spacing:.1em;
  border:1px solid var(--border2);padding:14px 22px;border-radius:var(--r);transition:all .2s;}
.dd-btn:hover{color:var(--accent);border-color:rgba(0,194,255,.4);background:rgba(0,194,255,.05);}
.dd-note{font-family:var(--mono);font-size:10px;color:var(--text3);letter-spacing:.08em;}

/* ── DESKTOP-ONLY BUILDS ──────────────────────────────────────────────────── */
/* Unity WebGL here needs a keyboard and mouse, so on a touch device the play
   routes are removed and replaced with a line explaining why. Gated on
   (hover:none) and (pointer:coarse) rather than a width breakpoint: width
   alone would also strip the button from a desktop browser in a narrow
   window, which is a device that can run the build perfectly well. */
.dd-desktop-note{display:none;align-items:center;gap:10px;font-family:var(--mono);font-size:11px;
  line-height:1.5;letter-spacing:.04em;color:var(--text2);background:var(--surf);
  border:1px solid var(--border2);border-radius:var(--r);padding:13px 18px;}
.dd-dn-icon{font-size:14px;opacity:.7;flex-shrink:0;}

@media (hover: none) and (pointer: coarse) {
  .dd-desktop-only .dd-play,
  .dd-desktop-only .dd-cta {display:none;}
  .dd-desktop-only .dd-desktop-note{display:flex;}
}

/* ── SPEC BAR ─────────────────────────────────────────────────────────────── */
.dd-specs{max-width:1240px;margin:44px auto 0;padding:0 48px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px;}
.dd-spec{background:var(--surf);border:1px solid var(--border);border-radius:6px;padding:18px 20px;}
.dd-spec-label{font-family:var(--mono);font-size:9px;color:var(--text3);letter-spacing:.14em;margin-bottom:7px;}
.dd-spec-val{font-size:14px;font-weight:500;color:var(--text);line-height:1.35;}

/* ── CONTENT ──────────────────────────────────────────────────────────────── */
.dd-content{max-width:860px;margin:0 auto;padding:64px 48px 40px;}
.dd-content h2{font-family:var(--display);font-size:32px;letter-spacing:.03em;color:var(--text);margin:52px 0 16px;line-height:1;}
.dd-content h2:first-child{margin-top:0;}
.dd-content p{font-size:16px;color:var(--text2);line-height:1.8;font-weight:300;margin-bottom:20px;}
.dd-content p strong{color:var(--text);font-weight:500;}
.dd-content code{font-family:var(--mono);font-size:13px;color:var(--accent);background:rgba(0,194,255,.07);border:1px solid rgba(0,194,255,.15);padding:1px 6px;border-radius:3px;}

/* Intro standfirst */
.dd-standfirst{font-size:19px;color:var(--text);font-weight:400;line-height:1.7;border-left:3px solid var(--accent);
  padding:4px 0 4px 24px;margin-bottom:44px;}

/* ── TECH GRID ────────────────────────────────────────────────────────────── */
.dd-tech{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:24px 0 40px;}
.dd-tech-item{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:16px 20px;}
.dd-tech-label{font-family:var(--mono);font-size:9px;color:var(--text3);letter-spacing:.13em;margin-bottom:6px;}
.dd-tech-val{font-size:13px;color:var(--text2);line-height:1.6;font-weight:300;}
.dd-tech-val strong{color:var(--text);font-weight:500;}

/* ── TAGS ─────────────────────────────────────────────────────────────────── */
.dd-tags{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 8px;}
.dd-tag{font-family:var(--mono);font-size:10px;color:var(--text3);border:1px solid var(--border2);padding:3px 9px;border-radius:2px;letter-spacing:.04em;}

/* ── CLOSING CTA ──────────────────────────────────────────────────────────── */
.dd-cta{max-width:860px;margin:0 auto;padding:0 48px 20px;}
.dd-cta-inner{background:linear-gradient(135deg,rgba(0,229,160,.07),rgba(0,194,255,.05));border:1px solid rgba(0,229,160,.2);
  border-radius:8px;padding:36px 40px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;}
.dd-cta-title{font-family:var(--display);font-size:30px;letter-spacing:.02em;line-height:1;margin-bottom:8px;}
.dd-cta-desc{font-size:14px;color:var(--text2);font-weight:300;line-height:1.6;max-width:440px;}

/* BOTTOM NAV */
.dd-nav-row{display:flex;justify-content:space-between;align-items:center;padding:32px 48px;border-top:1px solid var(--border);margin-top:56px;}
.dd-nav-btn{font-family:var(--mono);font-size:11px;color:var(--text2);text-decoration:none;letter-spacing:.08em;display:flex;align-items:center;gap:8px;transition:color .2s;}
.dd-nav-btn:hover{color:var(--accent);}
.dd-nav-back{font-family:var(--mono);font-size:11px;color:var(--accent);text-decoration:none;letter-spacing:.1em;border:1px solid rgba(0,194,255,.3);padding:8px 20px;border-radius:var(--r);transition:all .2s;}
.dd-nav-back:hover{background:rgba(0,194,255,.06);}

/* ── ANIMATION ────────────────────────────────────────────────────────────── */
@keyframes fadeUp{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:translateY(0);}}
#dd-hero.ready .dd-badge  {animation:fadeUp .5s .06s both;}
#dd-hero.ready .dd-title  {animation:fadeUp .55s .16s both;}
#dd-hero.ready .dd-tagline{animation:fadeUp .5s .26s both;}
#dd-hero.ready .dd-stage  {animation:fadeUp .6s .32s both;}
#dd-hero.ready .dd-strip  {animation:fadeUp .5s .46s both;}
#dd-hero.ready .dd-actions{animation:fadeUp .5s .54s both;}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .55s ease,transform .55s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s !important;transition-duration:.001s !important;}
  .reveal{opacity:1;transform:none;}
}

/* BURGER + MOBILE NAV */
.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:36px;height:36px;background:transparent;border:none;cursor:pointer;padding:4px;border-radius:var(--r);}
.nav-burger span{display:block;width:22px;height:2px;background:var(--text2);border-radius:2px;transition:transform .25s,opacity .25s,background .2s;}
.nav-burger:hover span{background:var(--text);}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-burger.open span:nth-child(2){opacity:0;}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{position:fixed;top:60px;left:0;right:0;bottom:0;z-index:190;background:rgba(8,10,13,.97);backdrop-filter:blur(16px);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .25s ease;}
.mobile-nav.open{opacity:1;pointer-events:all;}
.mobile-nav-links{list-style:none;display:flex;flex-direction:column;align-items:center;gap:8px;width:100%;padding:0 32px;}
.mobile-nav-links a{font-family:var(--mono);font-size:14px;color:var(--text2);text-decoration:none;letter-spacing:.12em;padding:14px 0;display:block;text-align:center;width:100%;border-bottom:1px solid var(--border);transition:color .2s;}
.mobile-nav-links a:hover{color:var(--accent);}
.mobile-nav-links li:last-child a{border-bottom:none;}
.mobile-nav-cta{font-family:var(--mono);font-size:13px !important;color:#0a1628 !important;background:var(--accent);border-radius:var(--r);padding:14px 32px !important;margin-top:16px;border-bottom:none !important;letter-spacing:.1em;font-weight:500;transition:background .2s !important;}
.mobile-nav-cta:hover{background:#00aadd !important;color:#0a1628 !important;}
.mobile-hire-btn{display:none;position:fixed;bottom:0;left:0;right:0;z-index:300;background:var(--accent);color:#0a1628;font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.1em;text-align:center;text-decoration:none;padding:16px;transition:background .2s;}
.mobile-hire-btn:hover{background:#00aadd;}

/* ── RESPONSIVE ───────────────────────────────────────────────────────────── */
@media(max-width:960px){
  nav{padding:0 20px;}.nav-links{display:none;}.nav-burger{display:flex;}
  .breadcrumb{padding:0 20px;}
  #dd-hero{padding:0 20px;}
  .dd-head{grid-template-columns:1fr;gap:16px;align-items:start;}
  .dd-specs{grid-template-columns:1fr 1fr;padding:0 20px;}
  .dd-content{padding:44px 20px 32px;}
  .dd-tech{grid-template-columns:1fr;}
  .dd-cta{padding:0 20px 20px;}
  .dd-cta-inner{padding:28px 24px;flex-direction:column;align-items:flex-start;}
  .dd-nav-row{flex-direction:column;gap:16px;padding:24px 20px;}
  .dd-arrow{width:34px;height:34px;}
  .mobile-hire-btn{display:block;}
  body{padding-bottom:56px;}
}
@media(max-width:480px){
  .dd-specs{grid-template-columns:1fr;}
  .dd-thumb{flex:0 0 96px;height:54px;}
  .dd-play{width:100%;justify-content:center;}
}