/*
  Experiments page — a full-viewport dark canvas "constellation" of
  floating project nodes, deliberately a completely separate visual
  system from the rest of the site (not driven by css/tokens.css).
  Carried over from a Claude Design handoff — see
  reference/experiments-page.md. Edit text/projects in
  js/experiments-data.js, not here.
*/

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow: hidden; background: #05050a; }

.xwrap {
  position: relative; width: 100%; height: 100vh; height: 100dvh;
  background: #05050a; overflow: hidden;
  font-family: "Azeret Mono", monospace;
}

.xcanvas { position: absolute; inset: 0; display: block; width: 100%; height: 100%; touch-action: none; }

.xback {
  position: absolute; top: 24px; left: 24px; z-index: 5;
  padding: 9px 20px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .22);
  background: rgba(255, 255, 255, .04);
  color: #fff; text-decoration: none; text-transform: uppercase;
  font-family: "Azeret Mono", monospace; font-size: 12px; letter-spacing: .08em;
}
.xback:hover { color: rgba(255, 255, 255, .75); }

.xhero {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 128px;
  pointer-events: none; width: 90%;
}
.xtitle {
  margin: 0; font-family: "Anton", sans-serif; font-size: clamp(40px, 7vw, 80px);
  letter-spacing: .02em; color: #fff; line-height: 1; text-transform: uppercase; text-align: center;
}
.xsubtitle {
  margin: 0; font-family: "Poppins", sans-serif; font-weight: 400; font-size: 16px;
  line-height: 1.5; color: rgba(255, 255, 255, .85); width: 340px; max-width: 80%; text-align: center;
}

.xclock {
  position: absolute; bottom: 26px; right: 28px; z-index: 5;
  color: rgba(255, 255, 255, .5); font-family: "Azeret Mono", monospace;
  font-size: 13px; letter-spacing: .04em;
}

/* The background-music toggle (see css/background-music.css) defaults to
   the bottom-right corner, which is exactly where .xclock above already
   lives on this page — move it to the bottom-left instead, the one
   corner .xback/.xclock don't already occupy. This page has no header
   row (full-viewport canvas), so it always gets the floating variant. */
.bgm-toggle--floating { right: auto; left: 20px; }
@media (max-width: 640px) {
  .bgm-toggle--floating { right: auto; left: 14px; }
}

.xcard {
  position: absolute; display: none; width: 250px; overflow: hidden;
  border-radius: 14px; background: rgba(10, 9, 18, .9);
  border: 1px solid rgba(255, 255, 255, .14); backdrop-filter: blur(14px);
  z-index: 10; color: #fff; box-shadow: 0 24px 60px rgba(0, 0, 0, .55);
}
.xcard.is-open { display: block; }
.xcard__close {
  position: absolute; top: 8px; right: 10px; z-index: 1; background: rgba(10, 9, 18, .55); border-radius: 50%;
  width: 22px; height: 22px; border: none;
  color: rgba(255, 255, 255, .75); font-size: 16px; cursor: pointer;
  font-family: "Azeret Mono", monospace; line-height: 1;
}
.xcard__close:hover { color: #fff; }
/* Screenshot of the project's own URL (see openCard() in js/experiments.js)
   — a plain gradient placeholder until it loads, so a slow/failed fetch
   never leaves a broken-image icon. */
.xcard__thumb {
  position: relative; width: 100%; aspect-ratio: 250 / 130;
  background-color: rgba(255, 255, 255, .06);
  background-image: linear-gradient(155deg, rgba(255,255,255,.09), rgba(255,255,255,.02));
}
.xcard__thumb-img { display: none; position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top; }
.xcard__thumb-img.is-banner { object-position: center; }   /* a project's own share banner: framed to its middle, not its top */
.xcard__body { padding: 16px 20px 18px; }
.xcard__name { font-size: 15px; font-weight: 600; margin-bottom: 8px; letter-spacing: .01em; }
.xcard__desc { font-size: 12.5px; line-height: 1.55; color: rgba(255, 255, 255, .68); margin-bottom: 16px; }
.xcard__cta-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.xcard__link {
  font-size: 12.5px; color: #fff; text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, .4); letter-spacing: .03em;
}
.xcard__link:hover { color: rgba(255, 255, 255, .75); }
.xcard__nav { display: flex; gap: 6px; flex: none; }
.xcard__nav-btn {
  width: 24px; height: 24px; border-radius: 50%; flex: none;
  border: 1px solid rgba(255, 255, 255, .18); background: rgba(255, 255, 255, .06);
  color: rgba(255, 255, 255, .75); font-family: "Azeret Mono", monospace; font-size: 13px;
  line-height: 1; cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.xcard__nav-btn:hover { color: #fff; background: rgba(255, 255, 255, .12); }