/* Ember & Chain website. The game's look: its colors (css/style.css in ember-chain), VT323 everywhere, stone
   panels with a light top-left and dark bottom-right bevel, gold primary buttons, and the game's own pixel art
   (scene.js) scaled up with crisp pixels. */
:root {
  --ink: #0c0a12; --void: #07060b; --stone: #1d1926; --stone-2: #262033; --stone-hi: #4a4258; --stone-lo: #08070c;
  --bone: #efe6d2; --dim: #9a90a8; --gold: #f2c14e; --gold-lo: #b88d2c; --ember: #e0603a; --blood: #d2453a;
  --frost: #5aa8e0; --venom: #7ac04a; --epic: #c05ad8;
  --px: "VT323", "Courier New", monospace;
  --wrap: 1180px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--void); color: var(--bone);
  font: 22px/1.35 var(--px); letter-spacing: .01em;
  -webkit-font-smoothing: none;
}
a { color: var(--gold); }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { font-weight: 400; margin: 0; }
.pix, .pixel, canvas { image-rendering: pixelated; image-rendering: crisp-edges; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.dim { color: var(--dim); } .small { font-size: 18px; }

/* ---------- bevels (as in the game) ---------- */
.panel {
  background: var(--stone);
  border: 4px solid; border-color: var(--stone-hi) var(--stone-lo) var(--stone-lo) var(--stone-hi);
  box-shadow: 0 0 0 4px var(--void), 0 14px 0 4px rgba(0, 0, 0, .45);
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 26px/1 var(--px); letter-spacing: .04em; text-decoration: none; cursor: pointer;
  padding: 12px 22px; min-height: 52px; color: var(--bone); background: var(--stone);
  border: 4px solid; border-color: var(--stone-hi) var(--stone-lo) var(--stone-lo) var(--stone-hi);
  box-shadow: 0 0 0 3px var(--void), 0 6px 0 3px var(--void);
  transition: transform .08s, box-shadow .08s, filter .15s;
}
.btn:hover { filter: brightness(1.12); }
.btn:active { transform: translateY(4px); box-shadow: 0 0 0 3px var(--void), 0 2px 0 3px var(--void); border-color: var(--stone-lo) var(--stone-hi) var(--stone-hi) var(--stone-lo); }
.btn:focus-visible { outline: 3px solid var(--gold); outline-offset: 5px; }
.btn[disabled] { opacity: .5; cursor: default; }
.btn-gold { color: var(--ink); background: var(--gold); border-color: #ffe39a #8a6418 #8a6418 #ffe39a; }
.btn-gold:active { background: var(--gold-lo); border-color: #8a6418 #ffe39a #ffe39a #8a6418; }
.btn-stone { background: var(--stone-2); }
.btn-big { font-size: 32px; padding: 16px 30px; min-height: 64px; }
.btn-sm { font-size: 22px; padding: 6px 16px; min-height: 40px; }
.btn-google { width: 100%; background: #fff; color: #1f1f1f; border-color: #fff #b9b9b9 #b9b9b9 #fff; }

/* ---------- top bar ---------- */
.top {
  position: fixed; inset: 0 0 auto 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 10px max(20px, calc((100vw - var(--wrap)) / 2 + 24px));
  background: linear-gradient(rgba(7, 6, 11, .92), rgba(7, 6, 11, .75)); backdrop-filter: blur(6px);
  border-bottom: 4px solid var(--stone-lo); box-shadow: 0 1px 0 var(--stone-hi);
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--bone); text-decoration: none; font-size: 28px; letter-spacing: .06em; }
.brand img { image-rendering: pixelated; border: 2px solid var(--stone-hi); }
.top nav { display: flex; gap: 26px; }
.top nav a { color: var(--dim); text-decoration: none; font-size: 24px; }
.top nav a:hover { color: var(--gold); }
.top-right { display: flex; align-items: center; gap: 16px; }
.lang { display: flex; border: 3px solid; border-color: var(--stone-hi) var(--stone-lo) var(--stone-lo) var(--stone-hi); }
.lang button { background: var(--stone); border: 0; color: var(--dim); font: 22px var(--px); padding: 2px 10px; cursor: pointer; }
.lang button.on { background: var(--stone-hi); color: var(--bone); }
@media (max-width: 900px) { .top nav { display: none; } }
@media (max-width: 520px) { .brand span { display: none; } }

/* ---------- hero: the campfire ---------- */
.hero {
  position: relative; min-height: 100svh; display: grid; place-items: center; overflow: hidden;
  padding: 120px 20px 90px; text-align: center;
  background:
    radial-gradient(ellipse 55% 45% at 50% 62%, rgba(224, 96, 58, .30), transparent 70%),
    radial-gradient(ellipse 90% 70% at 50% 60%, transparent 40%, var(--void) 100%),
    var(--wall) 0 0 / 512px auto repeat;
  image-rendering: pixelated;
}
.hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 160px; background: linear-gradient(transparent, var(--void)); pointer-events: none; }
.sparks { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-inner { position: relative; z-index: 1; max-width: 980px; width: 100%; }
.kicker { color: var(--ember); font-size: 24px; letter-spacing: .18em; margin: 0 0 8px; }
h1 {
  font-size: clamp(64px, 13vw, 168px); line-height: .82; letter-spacing: .04em; color: var(--gold);
  text-shadow: 0 6px 0 #6b2414, 0 12px 0 var(--void), 0 0 40px rgba(242, 193, 78, .35);
}
h1 .amp { color: var(--ember); margin: 0 .12em; }
.lead { font-size: clamp(24px, 2.6vw, 30px); max-width: 30em; margin: 22px auto 10px; color: var(--bone); }
/* the scene fades into the wall instead of sitting in a box */
.camp-frame { margin: 0 auto; max-width: 820px; -webkit-mask-image: radial-gradient(ellipse 58% 80% at 50% 66%, #000 62%, transparent 100%); mask-image: radial-gradient(ellipse 58% 80% at 50% 66%, #000 62%, transparent 100%); }
#camp { width: 100%; height: auto; aspect-ratio: 220 / 92; display: block; }
@media (max-width: 640px) { .camp-frame { width: 128%; margin-left: -14%; } }
.cta { display: flex; flex-wrap: wrap; gap: 22px; justify-content: center; margin: 8px 0 18px; }
.note { color: var(--dim); font-size: 20px; }
.scroll-hint { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); color: var(--dim); text-decoration: none; font-size: 26px; z-index: 1; animation: bob 1.6s steps(2) infinite; }
@keyframes bob { 50% { transform: translate(-50%, 6px); } }

/* ---------- bands ---------- */
.band { padding: 140px 0; position: relative; }
.band-dark { background: linear-gradient(rgba(12, 10, 18, .93), rgba(12, 10, 18, .93)), var(--wall) 0 0 / 384px auto repeat; border-top: 4px solid var(--stone-lo); border-bottom: 4px solid var(--stone-lo); }
.band-head { text-align: center; max-width: 760px; margin: 0 auto 72px; }
.eyebrow { color: var(--ember); letter-spacing: .2em; font-size: 22px; margin: 0 0 10px; }
h2 { font-size: clamp(46px, 6vw, 76px); line-height: .95; color: var(--gold); text-shadow: 0 5px 0 #4a1a10; }
.band-lead { font-size: 26px; color: var(--bone); margin: 22px 0 0; opacity: .9; }
@media (max-width: 700px) { .band { padding: 96px 0; } .band-head { margin-bottom: 52px; } }

/* sprites from the game, scaled with whole pixels */
.spr { display: block; image-rendering: pixelated; }
.spr-12 { width: 72px; height: 72px; }
.spr-16 { width: 80px; height: 80px; }
.spr-24 { width: 120px; height: 120px; }
.spr-32 { width: 160px; height: 160px; }
.spr-wide { width: 168px; height: 56px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.step { padding: 34px 30px 36px; }
.step-art { height: 104px; display: flex; align-items: flex-end; justify-content: center; gap: 14px; margin-bottom: 22px; }
.step-art img { width: 64px; height: 64px; }
.step h3 { font-size: 40px; color: var(--bone); display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.num { display: inline-grid; place-items: center; width: 40px; height: 40px; background: var(--ember); color: var(--ink); font-size: 30px; border: 3px solid; border-color: #ff9a6e #7a2a1a #7a2a1a #ff9a6e; }
.step p { margin: 0; color: var(--dim); font-size: 23px; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; gap: 32px; max-width: 560px; margin: 0 auto; } }

/* the chain demo */
.chain-demo { margin: 96px auto 0; max-width: 980px; padding: 40px 30px 34px; text-align: center; overflow: hidden; }
.chain-hud { display: grid; justify-items: center; gap: 6px; margin-bottom: 30px; }
.chain-word { letter-spacing: .5em; color: var(--dim); font-size: 22px; }
.chain-x { font-size: 72px; line-height: 1; color: var(--gold); text-shadow: 0 4px 0 #6b2414; }
.chain-x b { font-weight: 400; display: inline-block; }
.chain-x b.pop { animation: pop .35s steps(3); }
@keyframes pop { 0% { transform: scale(1.6); color: #fff3b0; } 100% { transform: scale(1); } }
.chain-runes { display: flex; gap: 10px; margin-top: 6px; }
.chain-runes i { width: 18px; height: 18px; transform: rotate(45deg); background: var(--stone-hi); border: 2px solid var(--stone-lo); }
.chain-runes i.on { background: var(--ember); box-shadow: 0 0 10px rgba(224, 96, 58, .8); }
.hand { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }
.card {
  position: relative; width: 168px; padding: 22px 12px 16px; display: grid; justify-items: center; gap: 4px;
  background: linear-gradient(180deg, #3a1a14, var(--stone) 50%);
  border: 4px solid var(--ember); box-shadow: 0 0 0 3px var(--void), 0 8px 0 3px var(--void);
  transition: transform .25s steps(3), box-shadow .25s;
}
.card.rare { background: linear-gradient(180deg, #1c2e4a, var(--stone) 50%); }
.card img { width: 72px; height: 72px; }
.card b { font-weight: 400; font-size: 26px; line-height: 1; }
.card small { color: var(--dim); font-size: 18px; line-height: 1.1; }
.card { isolation: isolate; }
.cost { position: absolute; top: -18px; left: -18px; width: 44px; height: 44px; display: grid; place-items: center; color: var(--ink); font-size: 28px; }
.cost::before { content: ""; position: absolute; inset: 6px; z-index: -1; background: var(--frost); transform: rotate(45deg); border: 3px solid var(--void); }
.card.played { transform: translateY(-22px); box-shadow: 0 0 0 3px var(--void), 0 0 26px 4px rgba(242, 193, 78, .55); }
.chain-cap { color: var(--dim); margin: 34px 0 0; }
@media (max-width: 760px) { .card { width: calc(50% - 12px); } }

/* heroes */
.heroes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.hero-card { padding: 30px 28px 32px; display: grid; justify-items: center; text-align: center; gap: 8px; transition: transform .2s steps(2); }
.hero-card:hover { transform: translateY(-6px); }
.hero-card .spr { margin: -6px 0 8px; filter: drop-shadow(0 6px 0 rgba(0, 0, 0, .5)); }
.hero-card h3 { font-size: 40px; color: var(--bone); }
.rune { font-size: 20px; padding: 0 12px; color: var(--ink); background: var(--gold); border: 2px solid var(--void); }
.hero-card[data-rune="ates"] .rune { background: var(--ember); }
.hero-card[data-rune="buz"] .rune { background: var(--frost); }
.hero-card[data-rune="zehir"] .rune { background: var(--venom); }
.hero-card[data-rune="ates"] { border-top-color: var(--ember); }
.hero-card[data-rune="buz"] { border-top-color: var(--frost); }
.hero-card[data-rune="zehir"] { border-top-color: var(--venom); }
.hero-card[data-rune="joker"] { border-top-color: var(--gold); }
.hero-card p { margin: 6px 0 0; color: var(--dim); font-size: 22px; }
.hero-card.secret { background: repeating-linear-gradient(45deg, #15121c 0 10px, #19151f 10px 20px); }
.hero-card.secret h3 { color: var(--dim); letter-spacing: .3em; }
.hero-card.secret .rune { background: var(--stone-hi); color: var(--bone); }
@media (max-width: 960px) { .heroes { grid-template-columns: repeat(2, 1fr); gap: 28px; } }
@media (max-width: 560px) { .heroes { grid-template-columns: 1fr; } }

/* the parade of monsters */
.parade { overflow: hidden; padding: 20px 0 30px; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.parade-track { display: flex; align-items: flex-end; gap: 40px; width: max-content; animation: march 60s linear infinite; }
.parade-track .spr { filter: drop-shadow(0 6px 0 rgba(0, 0, 0, .6)); }
@keyframes march { to { transform: translateX(-50%); } }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin: 70px 0 90px; }
.fact { text-align: center; padding: 18px 0; border-top: 4px solid var(--stone-hi); border-bottom: 4px solid var(--stone-lo); }
.fact b { display: block; font-weight: 400; font-size: 84px; line-height: .9; color: var(--gold); text-shadow: 0 5px 0 #6b2414; }
.fact span { color: var(--dim); font-size: 24px; }
@media (max-width: 700px) { .facts { grid-template-columns: repeat(2, 1fr); } }

/* screenshots: phones */
.shots { display: flex; gap: 32px; overflow-x: auto; padding: 10px 6px 26px; scroll-snap-type: x mandatory; scrollbar-color: var(--stone-hi) transparent; }
.shots figure { margin: 0; flex: 0 0 auto; width: min(260px, 64vw); scroll-snap-align: center; }
.shots img { border: 6px solid #2c2638; border-radius: 26px; box-shadow: 0 0 0 3px var(--void), 0 18px 40px rgba(0, 0, 0, .6); }
.shots figcaption { text-align: center; color: var(--dim); margin-top: 12px; }
@media (min-width: 1100px) { .shots { justify-content: center; overflow: visible; } .shots figure { width: 200px; } .shots figure:nth-child(odd) { transform: translateY(26px); } }

/* Android */
.android { display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center; }
.android h2, .android .eyebrow { text-align: left; }
.android .band-lead { margin-bottom: 28px; }
.howto { color: var(--dim); padding-left: 1.2em; margin: 0; display: grid; gap: 10px; font-size: 22px; }
.howto li::marker { color: var(--gold); }
.apk { padding: 40px 32px; text-align: center; display: grid; justify-items: center; gap: 18px; }
.apk h3 { font-size: 34px; margin-bottom: 18px; }
.apk .who { margin: 0 0 18px; color: var(--dim); }
.apk .who b { color: var(--bone); font-weight: 400; }
#apkSignedIn { display: grid; justify-items: center; gap: 14px; }
#apkSignedIn[hidden], #apkSignedOut[hidden] { display: none; }
.msg { min-height: 1.3em; color: var(--ember); margin: 0; }
@media (max-width: 900px) { .android { grid-template-columns: 1fr; gap: 44px; } }

/* finale + footer */
.finale { text-align: center; padding: 120px 0 150px; background: radial-gradient(ellipse 40% 50% at 50% 55%, rgba(224, 96, 58, .22), transparent 70%); }
.finale canvas { display: block; width: 192px; height: 192px; margin: 0 auto 26px; }
.finale h2 { margin-bottom: 40px; }
.foot { border-top: 4px solid var(--stone-lo); box-shadow: inset 0 1px 0 var(--stone-hi); background: var(--ink); padding: 34px 0 46px; }
.foot-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 26px; }
.foot a { color: var(--dim); }
.foot .brand { font-size: 22px; }

/* sign-in dialog */
dialog { border: 0; padding: 0; background: transparent; color: var(--bone); width: min(460px, calc(100vw - 32px)); overflow: visible; }
dialog::backdrop { background: rgba(4, 3, 8, .82); }
.dlg { position: relative; display: grid; gap: 14px; padding: 30px 28px; }
.dlg h3 { color: var(--gold); font-size: 36px; }
.dlg label { display: grid; gap: 4px; color: var(--dim); }
.dlg input { font: 22px var(--px); color: var(--bone); background: var(--ink); padding: 8px 10px; border: 3px solid; border-color: var(--stone-lo) var(--stone-hi) var(--stone-hi) var(--stone-lo); }
.dlg input:focus { outline: 2px solid var(--gold); }
.or { text-align: center; color: var(--dim); }
.row { display: flex; justify-content: space-between; gap: 10px; margin: 0; }
.link { background: none; border: 0; color: var(--gold); cursor: pointer; font: 20px var(--px); padding: 0; text-decoration: underline; }
.close { position: absolute; top: 6px; right: 12px; background: none; border: 0; color: var(--dim); font: 34px var(--px); cursor: pointer; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .parade-track, .scroll-hint { animation: none; }
  .card, .hero-card, .btn { transition: none; }
}