@font-face {
  font-family: 'Bricolage Grotesque';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  font-optical-sizing: auto;
  src: url('assets/fonts/BricolageGrotesque-800.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('assets/fonts/IBMPlexMono-400.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('assets/fonts/IBMPlexMono-500.woff2') format('woff2');
}

/* GameForge showcase — design tokens locked in discussion (hero-poster-v2) */
:root {
  --ink: #1c1c28;
  --muted: #6f6b60;
  --faint: #8b877a;
  --green: #16a34a;
  --green-deep: #15803d;
  --green-hi: #22c55e;
  --green-tint: #e7f6ee;
  --board: #fcfbf8;
  --dot: #ddd8cc;
  --hairline: rgba(28, 28, 40, .10);
  --lift: 0 1px 2px rgba(28, 28, 40, .06), 0 10px 28px rgba(28, 28, 40, .10);
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;
  --display: "Bricolage Grotesque", -apple-system, "Helvetica Neue", sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif;
  --station-w: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  font-family: var(--body);
  color: var(--ink);
  background: var(--board);
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: 0; background: none; cursor: pointer; color: inherit; }

/* ============ camera scaffolding ============ */
.scroll-track { height: 1080vh; }
.viewport { position: fixed; inset: 0; overflow: hidden; }
.big-board {
  position: absolute; top: 0; left: 0;
  width: 3400px; height: 5150px;
  background-image: radial-gradient(var(--dot) 1px, transparent 1px);
  background-size: 24px 24px;
  transform-origin: 0 0;
  will-change: transform;
}
.station { position: absolute; width: var(--station-w); }

/* stray board decorations between stations */
.stray { position: absolute; pointer-events: none; }
.stray.cross { font-family: var(--mono); font-size: 14px; color: #c9c4b4; }
.stray.tag { font-family: var(--mono); font-size: 11px; color: #b5b0a0; letter-spacing: .04em; }
.stray img { width: 90px; opacity: .9; border-radius: 6px; }

/* ============ fixed chrome ============ */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 40px 14px;
  background: linear-gradient(rgba(252, 251, 248, .92), rgba(252, 251, 248, 0));
}
.wordmark { font-family: var(--display); font-weight: 800; letter-spacing: .14em; font-size: 16px; }
.wordmark em { font-style: normal; color: var(--green); }
.site-nav .links { display: flex; align-items: center; gap: 26px; font-size: 13px; color: var(--muted); }
.site-nav .links a:hover { color: var(--ink); }
.lang-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid rgba(28, 28, 40, .16); border-radius: 999px;
  padding: 6px 14px; margin-left: 6px;
  background: #fff; color: var(--muted); font-size: 12.5px; font-weight: 600;
  box-shadow: 0 1px 2px rgba(28, 28, 40, .05);
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.lang-toggle:hover { color: var(--green-deep); border-color: var(--green); background: var(--green-tint); }
.menu-btn { display: none; }
.nav-menu { display: none; }
.scroll-cue {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 40;
  font-family: var(--mono); font-size: 10px; letter-spacing: .22em; color: var(--green);
  transition: opacity .4s ease;
}
.scroll-cue.hidden { opacity: 0; }

/* ============ shared canvas language ============ */
.eyebrow { font-family: var(--mono); font-size: 12px; color: var(--green-deep); letter-spacing: .06em; }
.station h2 {
  font-family: var(--display); font-weight: 800; letter-spacing: -0.02em;
  font-size: 46px; line-height: 1.06; margin-top: 14px;
}
.station .lede { margin-top: 16px; font-size: 15.5px; line-height: 1.75; color: var(--muted); max-width: 560px; }
.cap { font-family: var(--mono); font-size: 10.5px; color: var(--faint); margin-top: 8px; }
.cap b { color: var(--green-deep); font-weight: 500; }
.panel > img { width: 100%; }
.panel {
  background: #fff; border: 1px solid var(--hairline); border-radius: 10px;
  box-shadow: var(--lift); overflow: hidden;
}
.checker {
  background: conic-gradient(#f1f0ec 25%, #fff 0 50%, #f1f0ec 0 75%, #fff 0);
  background-size: 12px 12px;
}
.pixelated { image-rendering: pixelated; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 11px; color: var(--green-deep);
  background: var(--green-tint); border-radius: 999px; padding: 4px 12px;
}
.filechip {
  display: inline-block; font-family: var(--mono); font-size: 11px; color: var(--muted);
  background: #fff; border: 1px solid var(--hairline); border-radius: 6px; padding: 4px 10px;
}

/* sprite sheet player: 3x3 grid, 9 frames */
.sprite {
  background-size: 300% 300%;
  background-position: 0% 0%;
  animation: sprite9 1.35s infinite;
  animation-play-state: paused;
  animation-timing-function: step-end;
}
.station.active .sprite { animation-play-state: running; }
@keyframes sprite9 {
  0%      { background-position: 0% 0%; }
  11.11%  { background-position: 50% 0%; }
  22.22%  { background-position: 100% 0%; }
  33.33%  { background-position: 0% 50%; }
  44.44%  { background-position: 50% 50%; }
  55.55%  { background-position: 100% 50%; }
  66.66%  { background-position: 0% 100%; }
  77.77%  { background-position: 50% 100%; }
  88.88%  { background-position: 100% 100%; }
  100%    { background-position: 0% 0%; }
}

/* entrance choreography (camera mode only; static mode shows everything) */
html.static-mode .rise { opacity: 1 !important; transform: none !important; }
.rise { opacity: 0; transform: translateY(22px) scale(.975); transition: opacity .7s ease, transform .7s ease; }
.station.active .rise { opacity: 1; transform: none; }
.station.active .rise:nth-child(2) { transition-delay: .08s; }
.station.active .rise:nth-child(3) { transition-delay: .16s; }
.station.active .rise:nth-child(4) { transition-delay: .24s; }

/* ============ station 1 · hero ============ */
#s-hero { height: 780px; width: 1360px; }
.hero-center {
  position: absolute; left: 50%; top: 48%; transform: translate(-50%, -50%);
  text-align: center; width: 680px; max-width: 94%; z-index: 5;
}
.hero-center h1 { font-family: var(--display); font-size: 76px; font-weight: 800; letter-spacing: -0.025em; line-height: 1.02; }
.selected-line {
  position: relative; display: inline-block; padding: 2px 20px; margin-top: 10px;
  border: 2px solid var(--green-hi); border-radius: 3px; background: rgba(34, 197, 94, .045);
}
.selected-line i {
  position: absolute; width: 9px; height: 9px; background: #fff;
  border: 2px solid var(--green-hi); border-radius: 1.5px;
}
.selected-line i:nth-child(1) { top: -6px; left: -6px; }
.selected-line i:nth-child(2) { top: -6px; right: -6px; }
.selected-line i:nth-child(3) { bottom: -6px; left: -6px; }
.selected-line i:nth-child(4) { bottom: -6px; right: -6px; }
.hero-center .sub { margin-top: 26px; font-size: 16px; color: var(--muted); line-height: 1.75; }
.hero-asset { position: absolute; }
.mobile-canvas-guide { display: none; }
.hero-asset .img { border-radius: 6px; overflow: hidden; border: 1px solid var(--hairline); box-shadow: var(--lift); background: #fff; }
.hero-asset .img.checker { border: none; box-shadow: none; }
.hero-asset img { width: 100%; height: 100%; object-fit: cover; }
.hero-asset .img.checker img { object-fit: contain; }
.audio-pill {
  display: flex; align-items: center; gap: 10px;
  background: #fff; border: 1px solid var(--hairline); border-radius: 999px;
  box-shadow: var(--lift); padding: 9px 16px 9px 10px;
}
.audio-pill .play {
  width: 28px; height: 28px; border-radius: 50%; background: var(--green);
  color: #fff; font-size: 9px; display: flex; align-items: center; justify-content: center; flex: none;
  transition: transform .15s ease;
}
.audio-pill:hover .play { transform: scale(1.08); }
.audio-pill .wave { display: flex; align-items: center; gap: 2.5px; height: 20px; }
.audio-pill .wave i { width: 2.5px; border-radius: 2px; background: var(--green-hi); transform-origin: center; }
.audio-pill.playing .wave i { animation: bounce .9s ease-in-out infinite alternate; }
.audio-pill.playing .wave i:nth-child(2n) { animation-delay: .15s; }
.audio-pill.playing .wave i:nth-child(3n) { animation-delay: .3s; }
@keyframes bounce { from { transform: scaleY(.4); } to { transform: scaleY(1.15); } }
.audio-pill .fname { font-family: var(--mono); font-size: 11px; color: var(--faint); }
.hero-composer {
  margin: 40px auto 0;
  width: 720px; max-width: 96%; z-index: 6;
  background: #fff; border: 1px solid rgba(28, 28, 40, .14); border-radius: 18px;
  box-shadow: var(--lift); padding: 21px 21px 21px 28px;
  display: flex; align-items: center; gap: 16px;
}
.hero-composer .q { flex: 1; font-family: var(--mono); font-size: 15px; color: var(--muted); white-space: nowrap; overflow: hidden; text-align: left; }
.hero-composer .q::after { content: "▍"; color: var(--green); animation: blink 1.1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero-composer .send { background: var(--green); color: #fff; border-radius: 11px; padding: 13px 26px; font-size: 15px; font-weight: 700; }
.hero-composer .send:focus-visible { outline: 3px solid rgba(34, 197, 94, .28); outline-offset: 3px; }
.hero-composer .send:disabled { cursor: wait; }
.hero-composer.is-complete .send { background: var(--green-deep); }

/* ============ station 2 · ref → animation ============ */
.anim-cases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 40px; }
.anim-case .stage { position: relative; height: 280px; display: flex; align-items: center; justify-content: center; }
.anim-case .sprite { width: 220px; height: 220px; }
.ref-mini {
  position: absolute; left: 12px; bottom: 12px; width: 58px; height: 58px;
  object-fit: contain; background: rgba(255, 255, 255, .94);
  border: 1px solid var(--hairline); border-radius: 9px; padding: 5px;
  box-shadow: 0 2px 8px rgba(28, 28, 40, .10);
}
.anim-case .pipeline { display: flex; align-items: center; gap: 8px; padding: 12px 14px; border-top: 1px dashed var(--hairline); }
.anim-case .pipeline img { width: 52px; height: 52px; object-fit: contain; border-radius: 5px; background: #fafaf8; border: 1px solid var(--hairline); }
.anim-case .pipeline .arrow { font-family: var(--mono); font-size: 12px; color: var(--green); }
.anim-case .pipeline .grid3 { font-family: var(--mono); font-size: 9.5px; color: var(--faint); line-height: 1.5; }

/* ============ station 3 · props ============ */
.props-row { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr) minmax(0, 1fr); gap: 24px; margin-top: 40px; }
.prop-card { display: flex; flex-direction: column; }
.prop-card .stage { position: relative; display: flex; align-items: center; justify-content: center; }
.prop-card.major .stage { height: auto; aspect-ratio: 1 / 1; }
.prop-card.major .sprite { width: 390px; height: 390px; }
.prop-card .stage { height: auto; flex: 1; }
.prop-card .sprite, .prop-card .stage img { width: 180px; height: 180px; object-fit: contain; }
.prop-card .stage img.ref-mini { width: 58px; height: 58px; }
.prop-card .body { padding: 12px 14px 14px; border-top: 1px dashed var(--hairline); }
.prop-stack { display: grid; grid-template-rows: 1fr 1fr; gap: 24px; }

/* ============ station 4 · maps & tilemaps ============ */
.worlds { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 28px; margin-top: 40px; align-items: start; }
.map-fig { position: relative; }
.map-fig .overlay { position: absolute; inset: 0; opacity: 0; }
.station.active .map-fig .overlay,
html.static-mode .map-fig .overlay { animation: collision-cycle 6s ease-in-out infinite; }
@keyframes collision-cycle {
  0%, 40%  { opacity: 0; }
  50%, 90% { opacity: 1; }
  100%     { opacity: 0; }
}
.map-thumbs { display: flex; gap: 14px; margin-top: 14px; }
.map-thumbs .panel { flex: 1; }
.town-files { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.assets-strip {
  display: flex; align-items: flex-end; justify-content: center;
  gap: 18px; padding: 20px 24px; margin-top: 24px;
}
.assets-strip img.b { height: 112px; width: auto; }
.assets-strip img.t { width: 96px; height: 96px; border-radius: 8px; }
.assets-strip img.t:first-of-type { margin-left: 26px; }

/* ============ station 5 · game ui ============ */
.uikit { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 28px; margin-top: 40px; align-items: stretch; }
.elements-wall {
  display: flex; flex-wrap: wrap; gap: 12px 14px; padding: 20px;
  align-items: center; justify-content: center; align-content: center;
}
.elements-wall img { height: 38px; width: auto; max-width: 132px; object-fit: contain; }
.ui-cases { display: flex; gap: 18px; margin-top: 26px; justify-content: space-between; }
.ui-cases .panel { flex: none; }
.ui-cases img { height: 220px; width: auto; }

/* ============ station 6 · audio ============ */
.audio-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 36px; max-width: 760px; }
.audio-grid .audio-pill { border-radius: 12px; padding: 12px 16px 12px 12px; }
.audio-grid .audio-pill .meta { text-align: left; }
.audio-grid .audio-pill .title { font-size: 13px; font-weight: 600; color: var(--ink); }
.audio-grid .audio-pill .fname { margin-top: 2px; }
.audio-note { margin-top: 22px; }

/* ============ station 7 · how it works ============ */
.app-shot { margin: 40px auto 0; max-width: 1080px; }

/* ============ station 8 · ending ============ */
#s-end .giant { font-family: var(--display); font-weight: 800; letter-spacing: .1em; font-size: 92px; margin-top: 30px; }
#s-end .giant em { font-style: normal; color: var(--green); }
.stack-line { margin-top: 26px; font-size: 18px; color: var(--muted); letter-spacing: .01em; }
.changelog { display: flex; gap: 26px; margin-top: 34px; flex-wrap: wrap; }
.changelog .v { font-family: var(--mono); font-size: 11px; color: var(--faint); }
.changelog .v b { display: block; color: var(--green-deep); font-weight: 500; margin-bottom: 3px; }
.contact { margin-top: 44px; display: flex; gap: 14px; align-items: center; }
.contact .btn { background: var(--green); color: #fff; border-radius: 10px; padding: 11px 22px; font-size: 14px; font-weight: 700; }
.contact .quiet { font-family: var(--mono); font-size: 12px; color: var(--faint); }
.colophon { margin-top: 60px; font-family: var(--mono); font-size: 10.5px; color: #b5b0a0; }

/* ============ static fallback (mobile / reduced motion) ============ */
@media (prefers-reduced-motion: reduce) {
  .sprite, .audio-pill.playing .wave i, .hero-composer .q::after { animation: none !important; }
  .map-fig .overlay { animation: none !important; opacity: 1; }
  .rise { opacity: 1; transform: none; transition: none; }
}
html.static-mode .scroll-track { display: none; }
html.static-mode .viewport { position: static; overflow: visible; }
html.static-mode .big-board {
  position: static; width: auto; height: auto; transform: none !important;
}
html.static-mode .station { position: static; width: auto; max-width: 1200px; margin: 0 auto; padding: 90px 28px; }
html.static-mode #s-hero { width: auto; height: 88vh; min-height: 620px; max-height: 880px; position: relative; }
html.static-mode .stray { display: none; }
html.static-mode .sprite { animation-play-state: running; }
@media (max-width: 900px) {
  .station h2 { font-size: 34px; }
  .hero-center h1 { font-size: 46px; }
  #s-end .giant { font-size: 48px; }
  .anim-cases, .props-row, .worlds, .uikit, .audio-grid { grid-template-columns: 1fr; }
  .assets-strip { flex-wrap: wrap; justify-content: center; }
  .assets-strip img.t:first-of-type { margin-left: 0; }
  .ui-cases { flex-wrap: wrap; justify-content: center; }
  .ui-cases img { height: 170px; }
  .flow { flex-direction: column; align-items: stretch; }
  .flow .arrow { transform: rotate(90deg); align-self: center; }
  .hero-asset.optional { display: none; }
}

@media (max-width: 640px) {
  .site-nav { padding: 14px 18px 10px; }
  .scroll-cue { display: none; }
  .site-nav .links { gap: 10px; }
  .site-nav .links a { display: none; }
  .lang-toggle { margin-left: 0; height: 34px; padding: 0 13px; }
  .menu-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border: 1px solid rgba(28, 28, 40, .16); border-radius: 999px;
    background: #fff; color: var(--muted); box-shadow: 0 1px 2px rgba(28, 28, 40, .05);
  }
  .nav-menu.open {
    display: flex; flex-direction: column; position: fixed; top: 62px; right: 16px; z-index: 45;
    background: #fff; border: 1px solid var(--hairline); border-radius: 14px;
    box-shadow: var(--lift); padding: 8px; min-width: 160px;
  }
  .nav-menu a { padding: 11px 16px; font-size: 14.5px; color: var(--ink); border-radius: 9px; }
  .nav-menu a:active { background: var(--green-tint); color: var(--green-deep); }
  html.static-mode .station { padding: 64px 20px; }
  html.static-mode #s-hero {
    height: 720px; min-height: 720px; max-height: none; padding: 0;
    overflow: hidden;
  }
  .hero-center {
    top: 350px; width: calc(100% - 80px); max-width: 420px;
    transform: translateX(-50%);
  }
  .hero-asset, #s-hero .audio-pill { display: none; }
  .hero-asset { z-index: 2; will-change: transform; }
  .hero-asset .img { border-radius: 8px; }
  .hero-forest {
    display: block; left: -58px !important; top: 106px !important;
    width: 168px !important; z-index: 1;
    transform: translate3d(calc(var(--mobile-canvas-progress, 0) * -22px), 0, 0);
  }
  .hero-forest .img { height: 150px !important; }
  .hero-forest img { object-position: 74% center; }
  .hero-chest {
    display: block; left: 78px !important; top: 191px !important;
    width: 108px !important; z-index: 4;
    transform: translate3d(calc(var(--mobile-canvas-progress, 0) * -8px), calc(var(--mobile-canvas-progress, 0) * -5px), 0);
  }
  .hero-chest .img { height: 104px !important; }
  .hero-general {
    display: block; left: 164px !important; right: auto !important;
    top: 166px !important; bottom: auto !important; width: 104px !important; z-index: 3;
    transform: translate3d(calc(var(--mobile-canvas-progress, 0) * 5px), calc(var(--mobile-canvas-progress, 0) * -10px), 0);
  }
  .hero-general .img { height: 118px !important; }
  .hero-asset.hero-boss {
    display: block; left: 252px !important; right: auto !important;
    top: 147px !important; bottom: auto !important; width: 118px !important; z-index: 2;
    transform: translate3d(calc(var(--mobile-canvas-progress, 0) * 13px), calc(var(--mobile-canvas-progress, 0) * -14px), 0);
  }
  .hero-boss .img { height: 148px !important; border: 0; background: transparent; box-shadow: none; }
  .hero-boss img { object-fit: contain; }
  .hero-asset.hero-town {
    display: block; left: 350px !important; right: auto !important;
    top: 172px !important; bottom: auto !important; width: 116px !important; z-index: 1;
    transform: translate3d(calc(var(--mobile-canvas-progress, 0) * 19px), calc(var(--mobile-canvas-progress, 0) * -7px), 0);
  }
  .hero-town .img { height: 122px !important; }
  #s-hero .hero-audio {
    display: flex; left: 135px !important; right: auto !important; top: 112px !important;
    z-index: 4; padding: 7px 12px 7px 8px;
    transform: translate3d(calc(var(--mobile-canvas-progress, 0) * 9px), 0, 0);
  }
  #s-hero .hero-audio .play { width: 26px; height: 26px; }
  #s-hero .hero-audio .wave { height: 18px; }
  .mobile-canvas-guide {
    display: block; position: absolute; left: -12px; right: -12px; top: 256px;
    height: 1px; border-top: 1px solid rgba(22, 163, 74, .8); z-index: 0;
    transform: translate3d(calc(var(--mobile-canvas-progress, 0) * -14px), 0, 0);
  }
  .mobile-canvas-guide .guide-node {
    position: absolute; top: -5px; width: 10px; height: 10px;
    border: 2px solid var(--green-hi); background: var(--board); border-radius: 1px;
  }
  .guide-node-start { left: 96px; }
  .guide-node-middle { left: 220px; }
  .guide-node-end { left: 344px; }
  .mobile-canvas-guide .guide-coordinate {
    position: absolute; top: 13px; font-family: var(--mono); font-size: 9px;
    color: var(--green); letter-spacing: .02em;
  }
  .guide-coordinate-start { left: 84px; }
  .guide-coordinate-middle { left: 202px; }
  .guide-coordinate-end { left: 326px; }
  .hero-center h1 {
    font-size: 39px; line-height: 1.03; text-align: left;
  }
  .selected-line {
    margin-top: 8px; padding: 3px 11px 4px; font-size: 36px; white-space: nowrap;
  }
  .hero-center .sub {
    margin: 22px auto 0; max-width: 350px; font-size: 14px; line-height: 1.65;
  }
  .hero-composer {
    margin-top: 26px; width: 100%; max-width: none;
    padding: 13px 13px 13px 17px; gap: 10px; border-radius: 16px;
  }
  .hero-composer .q {
    display: -webkit-box; overflow: hidden; white-space: normal;
    -webkit-box-orient: vertical; -webkit-line-clamp: 2;
    font-size: 12px; line-height: 1.55;
  }
  .hero-composer .send { padding: 12px 17px; border-radius: 10px; font-size: 13px; }
  .assets-strip { gap: 12px; padding: 16px; }
  .assets-strip img.b { height: 84px; }
  .assets-strip img.t { width: 72px; height: 72px; }
  .ui-cases img { height: 148px; }
  .elements-wall img { height: 30px; max-width: 104px; }
  html.static-mode #s-anim { padding-top: 52px; }
}

@media (max-width: 640px) {
  html[lang="en"] .hero-center h1 { font-size: 45px; }
  html[lang="en"] .selected-line { font-size: 37px; }
}

@media (max-width: 370px) {
  .hero-center { width: calc(100% - 56px); }
  .hero-center h1, html[lang="en"] .hero-center h1 { font-size: 36px; }
  .selected-line { font-size: 33px; }
  .hero-composer .q { font-size: 11.5px; }
  .hero-composer .send { padding-inline: 14px; }
}