/* Colours come from the game's panels (Source/BoxRoom/Room/BoxRoomPaint.h). */
:root {
	--back: #0e0f13;
	--bar: #1b1c22;
	--raised: #2a2c34;
	--ink: #e6e7ec;
	--muted: #9a9ca9;
	--lit: #ffb144;
	--lit-hot: #ffe0a6;
	--led-off: #5b2010;
	--rec: #ff4f3d;
	--sb: #c4502b;
	--kb: #2d5a5e;
	--hb: #5a3350;
	--mb: #3a3d4a;
	--legend: #fbebd6;
	--radius: 10px;
	--mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	background: var(--back);
	color: var(--ink);
	font: 17px/1.55 "Space Grotesk", system-ui, sans-serif;
}
a { color: inherit; }
h1, h2, h3 { line-height: 1.1; margin: 0 0 .5em; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h3 { font-size: 1.15rem; }
section { max-width: 1120px; margin: 0 auto; padding: 72px 20px; }
.section-lede { color: var(--muted); max-width: 60ch; margin: 0 0 32px; }

/* Nav */
.nav {
	position: sticky; top: 0; z-index: 10;
	display: flex; align-items: center; gap: 24px;
	padding: 12px 20px;
	background: rgba(14, 15, 19, .85);
	backdrop-filter: blur(8px);
	border-bottom: 1px solid var(--bar);
}
.brand { display: flex; align-items: center; text-decoration: none; font-weight: 700; letter-spacing: .08em; }
.wordmark svg { display: block; height: 26px; width: auto; }
.wordmark.big { font-size: 2.4rem; font-weight: 700; letter-spacing: .04em; margin-bottom: 20px; }
.wordmark.big svg { height: clamp(48px, 7vw, 72px); }
.nav nav { display: flex; gap: 20px; margin-left: auto; }
.nav nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
.nav nav a:hover { color: var(--ink); }

.btn {
	display: inline-block;
	padding: 12px 22px;
	border-radius: 999px;
	background: var(--lit);
	color: #1a1208;
	font-weight: 700;
	text-decoration: none;
	border: 2px solid var(--lit);
	cursor: pointer;
	font: inherit; font-weight: 700;
	transition: transform .1s, background .15s;
}
.btn:hover { transform: translateY(-1px); background: var(--lit-hot); }
.btn.ghost { background: transparent; color: var(--lit); }
.btn.ghost:hover { background: rgba(255, 177, 68, .1); }
.btn.small { padding: 7px 16px; font-size: .9rem; }

/* Hero */
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding-top: 80px; }
.kicker { font-family: var(--mono); font-size: .8rem; color: var(--lit); text-transform: uppercase; letter-spacing: .12em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); letter-spacing: -.02em; }
h1 em { font-style: normal; color: var(--lit); }
.lede { font-size: 1.15rem; color: #c9cad3; max-width: 46ch; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* Mini rack */
.rack { background: var(--bar); border-radius: 14px; padding: 12px; box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.rack-bar { display: flex; align-items: center; justify-content: space-between; padding: 4px 4px 12px; }
.readout { font-family: var(--mono); font-size: .8rem; color: var(--muted); }
.play {
	display: flex; align-items: center; gap: 10px;
	background: var(--raised); color: var(--ink);
	border: 0; border-radius: 999px; padding: 8px 16px 8px 10px;
	font: inherit; font-weight: 700; cursor: pointer;
}
.play b { width: 0; height: 0; border-left: 11px solid var(--lit); border-top: 7px solid transparent; border-bottom: 7px solid transparent; margin-left: 4px; }
.play.on b { width: 11px; height: 11px; border: 0; background: var(--rec); border-radius: 2px; }
.unit { border-radius: var(--radius); padding: 10px 12px 12px; margin-top: 8px; transition: opacity .2s, filter .2s; }
.unit.sb { background: var(--sb); }
.unit.kb { background: var(--kb); }
.unit.hb { background: var(--hb); }
.unit.muted { filter: saturate(.25) brightness(.7); }
.unit-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; color: var(--legend); }
.unit-name { font-weight: 700; font-size: .95rem; }
.badge { font-family: var(--mono); font-size: .72rem; padding: 2px 7px; border-radius: 5px; background: rgba(0,0,0,.35); color: var(--legend); }
.knob { margin-left: auto; display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: .7rem; }
.knob input { width: 90px; accent-color: var(--lit); }
.mute { margin-left: auto; width: 34px; height: 18px; border-radius: 999px; border: 0; background: rgba(0,0,0,.4); position: relative; cursor: pointer; }
.knob + .mute { margin-left: 0; }
.mute::after { content: ""; position: absolute; top: 3px; left: 3px; width: 12px; height: 12px; border-radius: 50%; background: var(--led-off); transition: left .15s, background .15s; }
.mute.on::after { left: 19px; background: var(--lit); box-shadow: 0 0 8px var(--lit); }
.steps { display: grid; grid-template-columns: repeat(16, 1fr); gap: 4px; }
.steps i { aspect-ratio: 1; border-radius: 3px; background: rgba(0,0,0,.35); }
.steps i:nth-child(4n+1) { background: rgba(0,0,0,.5); }
.steps i.on { background: rgba(255, 210, 122, .55); }
.steps i.head { background: var(--lit-hot); box-shadow: 0 0 10px var(--lit); }
.steps i.on.head { background: #fff; }
.rack-hint { font-size: .82rem; color: var(--muted); margin: 12px 4px 2px; }

/* How it works */
.how { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding-top: 24px; }
.step { background: var(--bar); border-radius: var(--radius); padding: 24px; }
.step p { color: var(--muted); margin: 0; }
.num { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--lit); color: #1a1208; font-weight: 700; margin-bottom: 14px; }

/* Boxes */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card { border-radius: var(--radius); padding: 22px; color: var(--legend); min-height: 220px; }
.card h3 { margin-top: 14px; font-size: 1.3rem; }
.card p { opacity: .85; margin: 0; }
.card.sb { background: var(--sb); }
.card.kb { background: var(--kb); }
.card.hb { background: var(--hb); }
.card.mb { background: var(--mb); }

/* Together */
.features { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px 32px; }
.features li { border-top: 2px solid var(--raised); padding-top: 16px; }
.features p { color: var(--muted); margin: 0; }
.soon { font-family: var(--mono); font-size: .65rem; text-transform: uppercase; color: var(--rec); border: 1px solid var(--rec); border-radius: 4px; padding: 1px 5px; vertical-align: middle; margin-left: 6px; }

/* Story */
.story { max-width: 760px; text-align: center; }
.story p { color: #c9cad3; font-size: 1.1rem; margin-bottom: 28px; }

/* Signup */
.signup-wrap { text-align: center; }
.signup-wrap .section-lede { margin: 0 auto 28px; }
.signup { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.signup input { flex: 0 1 320px; min-width: 0; padding: 12px 18px; border-radius: 999px; border: 2px solid var(--raised); background: var(--bar); color: var(--ink); font: inherit; }
.signup input:focus { outline: none; border-color: var(--lit); }
.form-note { width: 100%; color: var(--lit); min-height: 1.5em; margin: 8px 0 0; }

footer { display: flex; justify-content: space-between; max-width: 1120px; margin: 0 auto; padding: 32px 20px 48px; color: var(--muted); font-size: .9rem; border-top: 1px solid var(--bar); }

@media (max-width: 900px) {
	.hero { grid-template-columns: 1fr; gap: 36px; padding-top: 48px; }
	.grid { grid-template-columns: repeat(2, 1fr); }
	.features { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
	section { padding: 52px 16px; }
	.nav { padding: 10px 16px; gap: 12px; }
	.nav nav { display: none; }
	.nav .btn { margin-left: auto; }
	.how, .grid, .features { grid-template-columns: 1fr; }
	.steps { gap: 3px; }
	.knob input { width: 64px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }