@font-face {
  font-family: 'Monocraft';
  src: url('assets/fonts/monocraft.ttf') format('truetype');
  font-display: swap;
}

:root {
  --bg: #05070a;
  --surface: #0b0f14;
  --surface-2: #10151c;
  --border: rgba(221, 243, 255, 0.09);
  --border-strong: rgba(221, 243, 255, 0.18);
  --accent: #7fcbff;
  --accent-soft: rgba(127, 203, 255, 0.12);
  --text: #f2f6fa;
  --muted: #8a94a0;
  --radius: 12px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: radial-gradient(1100px 620px at 50% -120px, rgba(127, 203, 255, 0.1), transparent 70%), var(--bg);
  color: var(--text);
  font-family: 'Monocraft', Consolas, 'Courier New', monospace;
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: rgba(127, 203, 255, 0.35);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.wrap.narrow {
  max-width: 820px;
}

.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(5, 7, 10, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  width: 32px;
  height: 32px;
  image-rendering: pixelated;
}

.brand span {
  color: var(--accent);
}

.brand.small {
  font-size: 13px;
}

.brand.small img {
  width: 24px;
  height: 24px;
}

.nav {
  margin-left: auto;
  display: flex;
  gap: 22px;
}

.nav a {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.06em;
  transition: color 0.18s;
}

.nav a:hover {
  color: var(--text);
  text-decoration: none;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  letter-spacing: 0.05em;
  transition: background 0.18s, border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}

.btn:hover {
  text-decoration: none;
  border-color: rgba(221, 243, 255, 0.32);
  transform: translateY(-1px);
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #05070a;
  box-shadow: 0 0 28px rgba(127, 203, 255, 0.28);
}

.btn.primary:hover {
  background: #a3dbff;
  box-shadow: 0 0 40px rgba(127, 203, 255, 0.45);
}

.btn.small {
  padding: 8px 16px;
  font-size: 13px;
}

.btn.big {
  padding: 15px 28px;
}

.site-header .btn.small {
  margin-left: 0;
}

.btn:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 72px 0 40px;
  text-align: center;
  overflow: hidden;
}

.hero .wrap {
  position: relative;
}

.snow {
  position: absolute;
  inset: 0 0 35% 0;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, #000 40%, transparent);
  mask-image: linear-gradient(to bottom, #000 40%, transparent);
}

.snow i {
  position: absolute;
  top: -10px;
  background: #ddf3ff;
  animation: fall linear infinite;
}

@keyframes fall {
  to {
    transform: translate3d(24px, 620px, 0);
  }
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  margin-bottom: 30px;
  border: 1px solid rgba(127, 203, 255, 0.3);
  border-radius: 999px;
  background: var(--accent-soft);
  color: #cfeaff;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.pill:hover {
  text-decoration: none;
  border-color: rgba(127, 203, 255, 0.55);
}

.pill .dot {
  width: 7px;
  height: 7px;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.hero-logo {
  width: 112px;
  margin: 0 auto 24px;
  image-rendering: pixelated;
  filter: drop-shadow(0 0 26px rgba(127, 203, 255, 0.4));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  50% {
    transform: translateY(-8px);
  }
}

.hero h1 {
  font-size: clamp(34px, 6vw, 64px);
  line-height: 1.1;
  letter-spacing: 0.06em;
  margin: 0 0 18px;
  font-weight: 400;
  text-shadow: 0 0 40px rgba(127, 203, 255, 0.18);
}

.hero h1 span {
  color: var(--accent);
}

.hero p.lead {
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 32px;
  font-size: 16px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-meta {
  margin-top: 18px;
  color: var(--muted);
  font-size: 12px;
}

.hero-meta b {
  color: rgba(127, 203, 255, 0.5);
  font-weight: 400;
  margin: 0 6px;
}

/* ---------- window frames around screenshots ---------- */
.window {
  margin: 0;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  overflow: hidden;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(127, 203, 255, 0.06);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 34px;
  padding: 0 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.window-bar i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(221, 243, 255, 0.16);
}

.window-bar span {
  margin-left: 10px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero-shot {
  margin: 56px auto 0;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.7), 0 0 80px rgba(127, 203, 255, 0.1);
}

/* ---------- stats ---------- */
.stats-band {
  padding: 32px 0;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.stats div {
  padding: 22px 12px;
  text-align: center;
}

.stats div + div {
  border-left: 1px solid var(--border);
}

.stats strong {
  display: block;
  font-size: 30px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--accent);
}

.stats span {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- sections ---------- */
section {
  padding: 72px 0;
}

section.alt {
  background: linear-gradient(180deg, transparent, rgba(16, 21, 28, 0.55) 30%, rgba(16, 21, 28, 0.55) 70%, transparent);
}

.section-title {
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin: 0 0 10px;
  font-weight: 400;
}

.section-heading {
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.25;
  margin: 0 0 14px;
  font-weight: 400;
  letter-spacing: 0.03em;
}

.section-lead {
  color: var(--muted);
  max-width: 680px;
  margin: 0 0 32px;
}

.section-lead.center {
  margin: 0 auto 36px;
}

.grid {
  display: grid;
  gap: 16px;
  margin-top: 56px;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

.card {
  background: linear-gradient(180deg, rgba(22, 29, 38, 0.5), rgba(11, 15, 20, 0.9));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: rgba(127, 203, 255, 0.28);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35), 0 0 30px rgba(127, 203, 255, 0.05);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.card .tag {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent);
  border: 1px solid rgba(127, 203, 255, 0.35);
  border-radius: 20px;
  padding: 1px 10px;
}

.split {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 48px;
  align-items: center;
}

.split.reverse {
  grid-template-columns: 5fr 6fr;
}

ul.cats {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

ul.cats li {
  padding: 5px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--surface);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: #cfeaff;
}

ul.checks {
  list-style: none;
  padding: 0;
  margin: 0;
}

ul.checks li {
  padding: 9px 0 9px 28px;
  position: relative;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

ul.checks li:last-child {
  border-bottom: 0;
}

ul.checks li::before {
  content: '+';
  position: absolute;
  left: 4px;
  color: var(--accent);
}

ul.checks li strong {
  color: var(--text);
  font-weight: 400;
}

/* ---------- interactive menu demo ---------- */
/* Everything inside is sized in --u, one in-game GUI unit: the demo is 496 units tall like a 1080p screen. */
.wrap.wide {
  width: min(1280px, calc(100% - 40px));
}

.demo {
  position: relative;
  aspect-ratio: 16 / 9;
  container-type: size;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: #0b1016;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.6), 0 0 80px rgba(127, 203, 255, 0.08);
  -webkit-user-select: none;
  user-select: none;
}

.demo noscript img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.demo-in {
  --u: calc(100cqh / 496);
  position: absolute;
  inset: 0;
  font-size: calc(var(--u) * 8);
  line-height: 1.2;
}

.demo [hidden] {
  display: none !important;
}

.demo-scene {
  position: absolute;
  inset: 0;
  background: #1b2735 url('assets/scene.jpg') center / cover no-repeat;
  transition: transform 0.25s ease, filter 0.25s ease;
}

.demo-scene::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(3, 5, 8, 0.2), rgba(3, 5, 8, 0.5));
  transition: opacity 0.25s ease;
}

.demo:not(.open) .demo-scene::after {
  opacity: 0;
}

.demo.fullbright .demo-scene {
  filter: brightness(1.4) saturate(1.05);
}

.demo.zooming .demo-scene {
  transform: scale(1.8);
}

/* wheel */
.demo .wheel {
  position: absolute;
  left: calc(50% - var(--u) * 124);
  top: calc(50% - var(--u) * 124);
  width: calc(var(--u) * 248);
  height: calc(var(--u) * 248);
  overflow: visible;
  opacity: 0;
  transform: scale(0.88);
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.demo.open .wheel {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.w-ring {
  fill: none;
  stroke: rgba(221, 243, 255, 0.07);
  stroke-width: 0.8;
}

.w-rim {
  fill: #141b23;
  stroke: rgba(221, 243, 255, 0.16);
  stroke-width: 0.8;
}

.w-base {
  fill: #34414e;
}

.w-seg {
  fill: rgba(9, 13, 18, 0.97);
  cursor: pointer;
  outline: none;
  transition: fill 0.15s;
}

.w-seg:hover {
  fill: #19232d;
}

.w-seg:focus-visible {
  stroke: var(--accent);
  stroke-width: 1.2;
}

.w-dot {
  fill: rgba(221, 243, 255, 0.4);
}

.w-sel {
  pointer-events: none;
}

.w-sel-fill {
  fill: url(#wSel);
}

.w-sel-edge {
  fill: none;
  stroke: #e6f6ff;
  stroke-width: 1.4;
}

.w-sel-rim {
  fill: none;
  stroke: #7fcbff;
  stroke-width: 7;
  opacity: 0.45;
}

.w-sel-glow {
  fill: none;
  stroke: #7fcbff;
  stroke-width: 9;
  opacity: 0.55;
}

.w-hubring {
  fill: #2a3541;
}

.w-hub {
  fill: url(#wHub);
  stroke: rgba(221, 243, 255, 0.14);
  stroke-width: 0.8;
}

.w-logo {
  image-rendering: pixelated;
  pointer-events: none;
}

.w-label {
  pointer-events: none;
  color: #aeb8c4;
  fill: currentColor;
  transition: color 0.15s;
}

.w-label.sel {
  color: #ffffff;
}

.w-label text,
.w-hubtext {
  font-family: 'Monocraft', Consolas, 'Courier New', monospace;
  font-size: 8px;
  text-anchor: middle;
  dominant-baseline: central;
}

.w-hubtext {
  fill: #8a94a0;
  font-size: 7px;
  pointer-events: none;
}

/* side panel */
.demo .panel {
  position: absolute;
  left: calc(50% + var(--u) * 122);
  top: 50%;
  width: calc(var(--u) * 190);
  padding-bottom: calc(var(--u) * 3);
  background: rgba(7, 9, 12, 0.92);
  border: max(1px, calc(var(--u) * 0.8)) solid rgba(221, 243, 255, 0.13);
  border-radius: calc(var(--u) * 3);
  box-shadow: 0 calc(var(--u) * 8) calc(var(--u) * 30) rgba(0, 0, 0, 0.45);
  opacity: 0;
  transform: translate(calc(var(--u) * 8), -50%);
  pointer-events: none;
  transition: opacity 0.22s ease 0.04s, transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1) 0.04s;
}

.demo.open .panel {
  opacity: 1;
  transform: translate(0, -50%);
  pointer-events: auto;
}

.p-head {
  position: relative;
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 5);
  height: calc(var(--u) * 30);
  padding: 0 calc(var(--u) * 11);
}

.p-head::before,
.p-head::after {
  content: '';
  position: absolute;
  left: calc(var(--u) * 10);
  bottom: calc(var(--u) * 2);
  height: max(1px, var(--u));
}

.p-head::before {
  right: calc(var(--u) * 10);
  background: rgba(221, 243, 255, 0.08);
}

.p-head::after {
  width: calc(var(--u) * 32);
  background: var(--accent);
}

.p-icon {
  flex-shrink: 0;
  width: calc(var(--u) * 8);
  height: calc(var(--u) * 8);
  fill: var(--accent);
}

.p-title {
  color: #ffffff;
  font-size: calc(var(--u) * 12.5);
  letter-spacing: 0.02em;
}

.p-count {
  margin-left: auto;
  color: var(--muted);
  font-size: calc(var(--u) * 7);
}

.p-rows {
  padding: calc(var(--u) * 3) calc(var(--u) * 6) 0;
}

.p-rows.swap {
  animation: p-swap 0.2s ease;
}

@keyframes p-swap {
  from {
    opacity: 0;
    transform: translateX(calc(var(--u) * 4));
  }
}

.p-row {
  position: relative;
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 4);
  width: 100%;
  height: calc(var(--u) * 19);
  margin: 0 0 calc(var(--u) * 3);
  padding: 0 calc(var(--u) * 5) 0 calc(var(--u) * 8);
  border: 0;
  border-radius: calc(var(--u) * 2);
  background: rgba(221, 243, 255, 0.035);
  color: #d5dce4;
  font: inherit;
  font-size: calc(var(--u) * 8);
  text-align: left;
  cursor: pointer;
  transition: background 0.15s;
}

.p-row:hover,
.p-row:focus-visible {
  background: rgba(221, 243, 255, 0.085);
  outline: none;
}

.p-row:focus-visible {
  box-shadow: inset 0 0 0 max(1px, calc(var(--u) * 0.8)) rgba(127, 203, 255, 0.6);
}

.p-row.on {
  color: #ffffff;
}

.p-row.on::before {
  content: '';
  position: absolute;
  left: calc(var(--u) * -2.5);
  top: calc(var(--u) * 5);
  width: calc(var(--u) * 1.8);
  height: calc(var(--u) * 9);
  background: var(--accent);
}

.p-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.p-status {
  color: var(--muted);
  font-size: calc(var(--u) * 7.5);
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.p-dots {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: calc(var(--u) * 7);
  height: calc(var(--u) * 15);
}

.p-dots::before {
  content: '';
  width: calc(var(--u) * 1.5);
  height: calc(var(--u) * 1.5);
  background: #aeb8c4;
  box-shadow: 0 calc(var(--u) * -2.6) 0 #aeb8c4, 0 calc(var(--u) * 2.6) 0 #aeb8c4;
}

.p-dots:hover::before {
  background: #ffffff;
  box-shadow: 0 calc(var(--u) * -2.6) 0 #ffffff, 0 calc(var(--u) * 2.6) 0 #ffffff;
}

.p-switch {
  position: relative;
  flex-shrink: 0;
  width: calc(var(--u) * 21);
  height: calc(var(--u) * 10);
  border-radius: 999px;
  background: #1a2029;
  box-shadow: inset 0 0 0 max(1px, calc(var(--u) * 0.7)) rgba(221, 243, 255, 0.1);
  transition: background 0.18s, box-shadow 0.18s;
}

.p-switch::after {
  content: '';
  position: absolute;
  top: calc(var(--u) * 1.5);
  left: calc(var(--u) * 1.5);
  width: calc(var(--u) * 7);
  height: calc(var(--u) * 7);
  border-radius: 50%;
  background: #4d5663;
  transition: transform 0.18s cubic-bezier(0.2, 0.8, 0.2, 1), background 0.18s;
}

.p-row.on .p-switch {
  background: var(--accent);
  box-shadow: 0 0 calc(var(--u) * 6) rgba(127, 203, 255, 0.55);
}

.p-row.on .p-switch::after {
  transform: translateX(calc(var(--u) * 11));
  background: #ffffff;
}

.p-chev {
  flex-shrink: 0;
  width: calc(var(--u) * 4.5);
  height: calc(var(--u) * 4.5);
  margin: 0 calc(var(--u) * 2.5) 0 calc(var(--u) * 1);
  border-top: max(1px, calc(var(--u) * 1.2)) solid #aeb8c4;
  border-right: max(1px, calc(var(--u) * 1.2)) solid #aeb8c4;
  transform: rotate(45deg);
}

/* description bar */
.demo-tip {
  position: absolute;
  left: 50%;
  bottom: calc(var(--u) * 10);
  max-width: calc(var(--u) * 440);
  margin: 0;
  padding: calc(var(--u) * 4) calc(var(--u) * 8);
  transform: translateX(-50%);
  overflow: hidden;
  background: rgba(7, 9, 12, 0.88);
  border: max(1px, calc(var(--u) * 0.8)) solid rgba(221, 243, 255, 0.13);
  border-radius: calc(var(--u) * 3);
  color: #c5ced8;
  font-size: calc(var(--u) * 8);
  white-space: nowrap;
  text-overflow: ellipsis;
}

.demo-tip b {
  margin-right: calc(var(--u) * 6);
  color: var(--accent);
  font-weight: 400;
}

.demo-note {
  margin-top: 16px;
  text-align: center;
}

/* HUD preview */
.demo-hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  color: #ffffff;
  font-size: calc(var(--u) * 11);
  text-shadow: calc(var(--u) * 0.8) calc(var(--u) * 0.8) 0 rgba(0, 0, 0, 0.55);
}

.hud-tl,
.hud-tr {
  position: absolute;
  top: calc(var(--u) * 4);
  display: flex;
  flex-direction: column;
  gap: calc(var(--u) * 2);
}

.hud-tl {
  left: calc(var(--u) * 4);
  align-items: flex-start;
}

.hud-tr {
  right: calc(var(--u) * 4);
  align-items: flex-end;
}

.hud-text {
  padding: calc(var(--u) * 1.5) calc(var(--u) * 3);
  border-radius: calc(var(--u) * 1.5);
  background: rgba(0, 0, 0, 0.32);
}

.hud-keys {
  position: absolute;
  left: calc(var(--u) * 6);
  top: 30%;
  display: grid;
  grid-template-columns: repeat(6, calc(var(--u) * 15));
  gap: calc(var(--u) * 3);
}

.hud-key {
  grid-column: span 2;
  display: grid;
  place-items: center;
  height: calc(var(--u) * 30);
  border-radius: calc(var(--u) * 2);
  background: rgba(40, 48, 60, 0.55);
  transition: background 0.08s, color 0.08s;
}

.hud-key.w {
  grid-column: 3 / span 2;
}

.hud-key.a {
  grid-column: 1 / span 2;
}

.hud-key.wide3 {
  grid-column: span 3;
  font-size: calc(var(--u) * 9);
}

.hud-key.space {
  grid-column: 1 / span 6;
  height: calc(var(--u) * 14);
}

.hud-key.space::after {
  content: '';
  width: 45%;
  height: max(1px, calc(var(--u) * 1.2));
  background: currentColor;
}

.hud-key.down {
  background: rgba(230, 240, 250, 0.88);
  color: #10151c;
  text-shadow: none;
}

.hud-sprint {
  position: absolute;
  left: calc(var(--u) * 4);
  bottom: calc(var(--u) * 4);
}

.hud-toast {
  position: absolute;
  right: calc(var(--u) * 6);
  top: calc(var(--u) * 42);
  min-width: calc(var(--u) * 110);
  padding: calc(var(--u) * 5) calc(var(--u) * 8);
  background: rgba(7, 9, 12, 0.92);
  border: max(1px, calc(var(--u) * 0.8)) solid rgba(221, 243, 255, 0.13);
  border-left: calc(var(--u) * 2) solid var(--accent);
  border-radius: calc(var(--u) * 3);
  text-shadow: none;
  opacity: 0;
  transform: translateX(calc(var(--u) * 12));
  transition: opacity 0.2s, transform 0.2s;
}

.hud-toast.show {
  opacity: 1;
  transform: none;
}

.hud-toast b {
  display: block;
  color: #ffffff;
  font-weight: 400;
}

.hud-toast span {
  color: var(--muted);
  font-size: calc(var(--u) * 7);
}

@media (prefers-reduced-motion: reduce) {
  .demo .wheel,
  .demo .panel,
  .demo-scene,
  .hud-toast,
  .p-switch,
  .p-switch::after {
    transition: none;
  }
}

@media (max-width: 760px) {
  .demo {
    aspect-ratio: auto;
    container-type: inline-size;
  }
  .demo-in {
    --u: calc(100cqw / 262);
    position: relative;
    inset: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: calc(var(--u) * 30) calc(var(--u) * 6) calc(var(--u) * 8);
  }
  .demo .wheel {
    position: relative;
    left: auto;
    top: auto;
  }
  .demo .panel {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    margin-top: calc(var(--u) * 10);
    transform: translateY(calc(var(--u) * 8));
  }
  .demo.open .panel {
    transform: none;
  }
  .demo-tip {
    position: relative;
    left: auto;
    bottom: auto;
    max-width: 100%;
    margin-top: calc(var(--u) * 8);
    transform: none;
    white-space: normal;
  }
  .hud-keys,
  .hud-tr,
  .hud-sprint {
    display: none;
  }
}

/* ---------- steps ---------- */
.steps {
  list-style: none;
  padding: 0;
  margin: 36px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.steps .num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
  border-radius: 8px;
  background: var(--accent-soft);
  border: 1px solid rgba(127, 203, 255, 0.35);
  color: var(--accent);
}

/* ---------- download ---------- */
.download {
  text-align: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: radial-gradient(700px 300px at 50% 0%, rgba(127, 203, 255, 0.1), transparent 70%);
}

.download .options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  max-width: 720px;
  margin: 0 auto 26px;
  text-align: left;
}

.download .card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.download .card.featured {
  border-color: rgba(127, 203, 255, 0.4);
  box-shadow: 0 0 50px rgba(127, 203, 255, 0.08);
}

.download .card .size {
  margin-top: 10px;
  font-size: 12px;
  color: rgba(138, 148, 160, 0.8);
}

.download .card .btn {
  margin-top: auto;
  width: 100%;
}

.download .card .size + .btn {
  margin-top: 16px;
}

.note {
  color: var(--muted);
  font-size: 12px;
  max-width: 640px;
  margin: 0 auto;
}

details.checksums {
  max-width: 720px;
  margin: 22px auto 14px;
  text-align: left;
}

details.checksums dl {
  margin: 0;
  padding: 0 20px 16px;
  font-size: 12px;
}

details.checksums dt {
  color: var(--text);
  margin-top: 8px;
}

details.checksums dd {
  margin: 2px 0 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

/* ---------- faq ---------- */
details {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  margin-bottom: 10px;
  transition: border-color 0.18s;
}

details:hover,
details[open] {
  border-color: var(--border-strong);
}

details summary {
  cursor: pointer;
  padding: 16px 20px;
  list-style: none;
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

details summary::-webkit-details-marker {
  display: none;
}

details summary::after {
  content: '+';
  color: var(--accent);
  flex-shrink: 0;
}

details[open] summary::after {
  content: '-';
}

details p {
  margin: 0;
  padding: 0 20px 18px;
  color: var(--muted);
  font-size: 13px;
}

/* ---------- scroll reveal (only when JS is on) ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.2s, box-shadow 0.2s;
}

.js .reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .hero-logo,
  .snow i {
    animation: none;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .btn:hover {
    transform: none;
  }
}

/* ---------- legal pages ---------- */
.doc {
  max-width: 760px;
  padding: 64px 0 80px;
}

.doc h1 {
  font-weight: 400;
  font-size: 32px;
  margin: 0 0 6px;
}

.doc .updated {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 36px;
}

.doc h2 {
  font-weight: 400;
  font-size: 17px;
  color: var(--accent);
  margin: 36px 0 10px;
}

.doc p,
.doc li {
  color: #c5ced8;
  font-size: 14px;
}

.doc ul {
  padding-left: 20px;
}

.not-found {
  text-align: center;
  padding: 120px 0;
}

.not-found img {
  width: 96px;
  margin: 0 auto 24px;
  image-rendering: pixelated;
  opacity: 0.85;
}

.not-found h1 {
  font-weight: 400;
  font-size: 48px;
  margin: 0;
  color: var(--accent);
}

.not-found p {
  color: var(--muted);
  margin: 8px 0 28px;
}

/* ---------- footer ---------- */
footer {
  padding: 36px 0 48px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--border);
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

footer .links {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

footer a {
  color: var(--muted);
}

footer a:hover {
  color: var(--text);
}

footer .disclaimer {
  flex-basis: 100%;
  margin: 0;
  font-size: 11px;
  opacity: 0.8;
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .split,
  .split.reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .nav {
    display: none;
  }
  .site-header .btn.small {
    margin-left: auto;
  }
}

@media (max-width: 640px) {
  section {
    padding: 56px 0;
  }
  .hero {
    padding-top: 48px;
  }
  .hero-shot {
    margin-top: 40px;
  }
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats div:nth-child(3) {
    border-left: 0;
  }
  .stats div:nth-child(n + 3) {
    border-top: 1px solid var(--border);
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .brand {
    font-size: 13px;
  }
  footer .links {
    margin-left: 0;
  }
}