/* Turtons Creek — studio site.
   Palette is lifted from the game itself (unity/Assets/Scripts/Runtime/Palette.cs) so the
   store page, the site and the product agree. --accent is set per page by the shell.
   No JavaScript anywhere: the machine animation is CSS keyframes on a shared 7s clock. */

:root {
  --bg-deep:  #0D0F14;
  --bg-base:  #171A21;
  --bg-lift:  #202531;
  --panel:    #1E2430;
  --panel-2:  #131720;
  --ink:      #EEF2F8;
  --ink-dim:  #8B95A8;
  --ink-mute: #5C6675;
  --accent:   #3D8BFF;
  --ember:    #FF5F55;
  --ion:      #3D8BFF;
  --spark:    #3FD68C;
  --charge:   #FF7A1A;
  --line:     #ffffff12;
  --measure:  62ch;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  /* Engineering paper: a faint dot grid over the depth gradient. */
  background:
    radial-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1.4px),
    linear-gradient(180deg, var(--bg-lift) 0%, var(--bg-base) 45%, var(--bg-deep) 100%);
  background-size: 34px 34px, 100% 100%;
  background-color: var(--bg-deep);
  color: var(--ink);
  font: 400 clamp(1rem, 0.95rem + 0.25vw, 1.125rem)/1.65 ui-sans-serif, system-ui,
        -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.skip {
  position: absolute; left: -9999px;
  background: var(--accent); color: var(--bg-deep);
  padding: .6rem 1rem; border-radius: 6px; font-weight: 700;
}
.skip:focus { left: 1rem; top: 1rem; z-index: 20; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ---- the mark ------------------------------------------------------------ */

.mark { width: 1.2rem; height: 1.2rem; flex: none; }
.mark rect:nth-of-type(1) { fill: var(--ember); }
.mark rect:nth-of-type(2) { fill: var(--ion); }
.mark rect:nth-of-type(3) { fill: var(--spark); }
.mark circle { fill: var(--charge); }
.mark-dim { opacity: .75; }

/* ---- chrome -------------------------------------------------------------- */

header.site, footer.site {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  padding: 1.1rem var(--pad);
  max-width: 72rem; margin-inline: auto; width: 100%;
}
header.site {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
  background: rgba(23, 26, 33, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.wordmark {
  display: inline-flex; align-items: center; gap: .6rem;
  font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  font-size: .95rem; color: var(--ink); text-decoration: none;
}
header.site nav { display: flex; gap: 1.5rem; }
header.site nav a {
  color: var(--ink-dim); text-decoration: none; font-size: .9rem;
  letter-spacing: .06em; text-transform: uppercase; font-weight: 600;
}
header.site nav a:hover, header.site nav a.is-active { color: var(--ink); }

footer.site {
  margin-top: auto; border-top: 1px solid var(--line);
  color: var(--ink-mute); font-size: .875rem;
}
footer.site p { margin: 0; }
.foot-brand { display: inline-flex; align-items: center; gap: .55rem; }
.foot-nav { display: flex; gap: 1.1rem; }
.foot-nav a { color: var(--ink-mute); text-decoration: none; }
.foot-nav a:hover { color: var(--ink); }

main { max-width: 72rem; margin-inline: auto; width: 100%; padding: 0 var(--pad) 5rem; flex: 1; }

/* ---- hero ----------------------------------------------------------------- */

.hero { padding: clamp(3rem, 9vw, 5.5rem) 0 clamp(2rem, 6vw, 3.5rem); }
.hero h1 {
  margin: 0; font-size: clamp(2.5rem, 7vw, 4.5rem); line-height: 1.05;
  letter-spacing: -.02em; font-weight: 800;
}
.tagline { margin: .75rem 0 0; color: var(--ink-dim); font-size: clamp(1.1rem, 2.5vw, 1.4rem); }
.hero-blurb { margin: 1.1rem 0 0; max-width: 44rem; color: var(--ink-dim); font-size: 1rem; }

/* ---- game grid ------------------------------------------------------------ */

.grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(19rem, 28rem)); }

.card {
  position: relative; display: block; overflow: hidden;
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 1.75rem 1.5rem 1.5rem; text-decoration: none; color: inherit;
  transition: border-color .18s ease, transform .18s ease, background .18s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); background: var(--bg-lift); }
.card-rule { position: absolute; inset: 0 0 auto 0; height: 4px; background: var(--accent); }
.card h3 {
  margin: 0 0 .35rem; font-size: 1.4rem; letter-spacing: .01em;
  display: flex; align-items: center; gap: .6rem; flex-wrap: wrap;
}
.card .sub { margin: 0 0 .9rem; color: var(--ink-dim); font-size: .95rem; }
.card .hook { margin: 0 0 1.25rem; color: var(--ink); }
.card .more { color: var(--accent); font-weight: 600; font-size: .9rem; }

.badge {
  font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 700;
  color: var(--accent); border: 1px solid currentColor; border-radius: 999px;
  padding: .15rem .55rem; white-space: nowrap;
}

/* ---- buttons --------------------------------------------------------------- */

.cta { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1.75rem; }
.btn {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .68rem 1.15rem; border-radius: 10px;
  background: var(--accent); color: #0B0D12;
  font-weight: 700; font-size: .95rem; letter-spacing: .01em; text-decoration: none;
  transition: filter .15s ease, transform .15s ease, border-color .15s ease;
}
.btn:hover { filter: brightness(1.12); transform: translateY(-1px); color: #0B0D12; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid #ffffff2b; }
.btn.ghost:hover { border-color: var(--accent); filter: none; }

/* ---- game page head -------------------------------------------------------- */

.game-head {
  display: grid; gap: clamp(2rem, 5vw, 3.5rem); align-items: center;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 23rem);
  padding: clamp(2.5rem, 7vw, 4rem) 0 2.5rem;
}
.eyebrow {
  margin: 0 0 .5rem; color: var(--accent); font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; font-size: .8rem;
}
.game-copy h1 {
  margin: 0; font-size: clamp(2.2rem, 6vw, 3.75rem); line-height: 1.05;
  letter-spacing: -.01em; font-weight: 800;
}
.game-copy .hook {
  margin: 1rem 0 0; font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  border-left: 3px solid var(--accent); padding-left: 1rem; line-height: 1.4;
}
.game-copy .short { margin: 1rem 0 0; color: var(--ink-dim); }

@media (max-width: 56rem) {
  .game-head { grid-template-columns: 1fr; }
  .machine { max-width: 24rem; }
}

/* ---- the machine (CSS-only mechanic demo) ---------------------------------- */

.machine { margin: 0; font-family: var(--mono); }
.mcharge-label {
  color: var(--ink-mute); font-size: .72rem; letter-spacing: .14em;
  margin: 0 0 .6rem; font-weight: 700;
}
.mstack { position: relative; display: flex; flex-direction: column; gap: .55rem; padding-left: 1.4rem; }
.mstack::before {
  content: ""; position: absolute; left: .45rem; top: -.4rem; bottom: -.2rem;
  width: 2px; background: var(--line); border-radius: 2px;
}
.charge {
  position: absolute; left: calc(.45rem - 5px + 1px); top: -.5rem;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--charge);
  box-shadow: 0 0 10px var(--charge), 0 0 22px rgba(255, 122, 26, .45);
  animation: charge-fall 7s linear infinite;
}
.mtile {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center;
  column-gap: .7rem; min-height: 3.25rem; height: 3.25rem;
  padding: 0 .9rem;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  animation: tile-fire 7s linear infinite;
  animation-delay: calc(.77s + var(--i) * 1.19s);
}
.mop { font-weight: 700; font-size: 1.02rem; color: var(--ink); min-width: 2.9rem; }
.mname { color: var(--ink-mute); font-size: .78rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mgate, .mnote {
  grid-column: 2; justify-self: start;
  font-size: .62rem; letter-spacing: .06em; color: var(--ink-dim);
  border: 1px solid #ffffff1e; border-radius: 999px; padding: .05rem .45rem;
  white-space: nowrap;
}
.mtile:has(.mgate) .mname, .mtile:has(.mnote) .mname { display: none; }
.mout {
  grid-column: 3; grid-row: 1;
  font-weight: 700; font-size: 1.05rem; color: var(--ink);
  opacity: .18;
  animation: out-show 7s linear infinite;
  animation-delay: calc(.77s + var(--i) * 1.19s);
}
.mrow-out {
  display: flex; justify-content: space-between; align-items: center;
  padding: .55rem .9rem 0;
  color: var(--ink-mute); font-size: .72rem; letter-spacing: .14em; font-weight: 700;
}
.mrow-out b {
  font-size: 1.6rem; color: var(--ink); letter-spacing: 0;
  animation: out-pop 7s linear infinite;
  animation-delay: calc(.77s + var(--i) * 1.19s);
}
/* charge-fall's keyframe stops are tuned to a 4-part stack (3.25rem tiles, .55rem gaps).
   Games with a different part count should tune or omit `stack`. */
.machine figcaption { margin-top: .9rem; color: var(--ink-mute); font-size: .75rem; letter-spacing: .02em; }

@keyframes charge-fall {
  0%   { top: -.5rem; opacity: 0; }
  3%   { opacity: 1; }
  11%  { top: 1.6rem; }
  28%  { top: 5.4rem; }
  45%  { top: 9.2rem; }
  62%  { top: 13rem; }
  71%  { top: 15.9rem; opacity: 1; }
  76%  { top: 15.9rem; opacity: 0; }
  100% { top: 15.9rem; opacity: 0; }
}
@keyframes tile-fire {
  0%, 100% { border-color: var(--line); box-shadow: none; }
  1.5% { border-color: var(--accent); box-shadow: 0 0 16px rgba(61, 139, 255, .28); }
  9%   { border-color: var(--line); box-shadow: none; }
}
@keyframes out-show {
  0%   { opacity: .18; }
  1.5% { opacity: 1; }
  88%  { opacity: 1; }
  95%, 100% { opacity: .18; }
}
@keyframes out-pop {
  0%   { transform: none; color: var(--ink); text-shadow: none; }
  1.5% { transform: scale(1.14); color: var(--accent); text-shadow: 0 0 18px rgba(61, 139, 255, .55); }
  9%   { transform: none; color: var(--ink); }
  88%  { color: var(--ink); }
  100% { transform: none; }
}

/* ---- facts ------------------------------------------------------------------ */

.facts {
  display: grid; gap: 1px; margin: 0 0 3rem;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
}
.facts > div { background: var(--panel); padding: 1rem 1.25rem; }
.facts dt {
  color: var(--ink-mute); font-size: .72rem; letter-spacing: .12em;
  text-transform: uppercase; font-weight: 700; margin-bottom: .3rem;
}
.facts dd { margin: 0; font-size: .95rem; }

/* ---- prose -------------------------------------------------------------------- */

.prose { max-width: var(--measure); }
.prose h1 { font-size: clamp(2rem, 5vw, 3rem); margin: clamp(2rem, 6vw, 3.5rem) 0 1rem; letter-spacing: -.01em; }
.prose h2 { margin: 2.5rem 0 .75rem; font-size: 1.35rem; }
.prose .lede { font-size: 1.15rem; color: var(--ink); }
.prose p { color: var(--ink-dim); }
.prose p:first-of-type { color: var(--ink); }
.prose ul { color: var(--ink-dim); padding-left: 1.2rem; }
.prose li { margin: .3rem 0; }

/* ---- THE TRACE ------------------------------------------------------------------ */

.trace {
  font-family: var(--mono); font-size: .82rem;
  background: var(--panel-2); border: 1px solid var(--line);
  border-left: 3px solid var(--accent); border-radius: 10px;
  padding: 1.1rem 1.25rem; margin: 2.75rem 0 0;
  overflow-x: auto;
}
.trace-title {
  margin: 0 0 .6rem; color: var(--ink-mute); font-size: .72rem;
  letter-spacing: .14em; font-weight: 700;
}
.trow {
  display: grid; grid-template-columns: 5.2rem 9.5rem 8.6rem 1fr;
  gap: .9rem; padding: .38rem .5rem; min-width: 37rem;
  border-bottom: 1px dashed #ffffff0d; white-space: nowrap;
  color: var(--ink-dim);
}
.trow .tpart { color: var(--ink); }
.trow.miss {
  background: linear-gradient(90deg, rgba(255, 95, 85, .10), transparent 70%);
  border-radius: 6px; border-bottom-color: transparent;
}
.ok { color: var(--spark); font-weight: 700; }
.no { color: var(--ember); font-weight: 700; }
.trace-verdict { margin: .75rem 0 0; color: var(--ink); font-weight: 600; }

/* Narrow screens: wrap the detail under the row rather than hiding the best line
   of the whole page behind a horizontal scroll. */
@media (max-width: 44rem) {
  .trow {
    grid-template-columns: 4.6rem 1fr auto; min-width: 0;
    white-space: normal; row-gap: .05rem;
  }
  .trow .tdetail { grid-column: 2 / -1; color: var(--ink-mute); font-size: .78rem; }
}

/* ---- pledge ------------------------------------------------------------------------ */

.pledge { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: .6rem; }
.prose .pledge { padding-left: 0; }
.pledge li {
  position: relative; padding: .85rem 1rem .85rem 2.5rem;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  color: var(--ink); margin: 0;
}
.pledge li::before {
  content: "\2713"; position: absolute; left: 1rem; top: .82rem;
  color: var(--spark); font-weight: 800;
}

/* ---- features ---------------------------------------------------------------------- */

.features {
  display: grid; gap: 1.25rem; margin-top: 3.5rem;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
}
.feature {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 1.5rem;
}
.feature h3 { margin: 0 0 .5rem; font-size: 1.05rem; color: var(--accent); letter-spacing: .02em; }
.feature p { margin: 0; color: var(--ink-dim); font-size: .95rem; }
.feature em { color: var(--ink); font-style: normal; font-family: var(--mono); font-size: .88em; }

table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: .95rem; }
th, td { text-align: left; padding: .65rem .75rem; border-bottom: 1px solid var(--line); }
th { color: var(--ink-mute); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }

/* ---- news ---------------------------------------------------------------------------- */

.latest { margin-top: 3.5rem; max-width: 44rem; }
.latest h2 {
  margin: 0 0 .75rem; font-size: .8rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-mute);
}
.latest ul { list-style: none; margin: 0; padding: 0; }
.latest li {
  display: flex; gap: 1.1rem; align-items: baseline;
  padding: .6rem 0; border-bottom: 1px solid var(--line);
}
.latest time { color: var(--ink-mute); font-family: var(--mono); font-size: .78rem; flex: none; }
.latest a { color: var(--ink); text-decoration: none; }
.latest a:hover { color: var(--accent); }
.latest-more { margin: .8rem 0 0; font-size: .85rem; }

.post { margin-top: 3rem; padding-top: .5rem; }
.post + .post { border-top: 1px solid var(--line); }
.post-date { margin: 0; color: var(--ink-mute); font-family: var(--mono); font-size: .78rem; }
.post h2 { margin: .3rem 0 .75rem; }
.post:target h2 { color: var(--accent); }

/* ---- reduced motion ------------------------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .charge { display: none; }
  .mout { opacity: 1; }
}