:root {
  --ink: #eef6ff;
  --muted: #c5d5e4;
  --night-900: #05101c;
  --night-800: #071522;
  --night-700: #0b1f31;
  --blue-600: #19496f;
  --green-500: #75bd33;
  --green-700: #3c7c1f;
  --cream: #fff0d8;
  --outline: #07111d;
  --panel-line: rgba(143, 177, 205, 0.2);
  --shadow: rgba(0, 0, 0, 0.42);
  --max: 1180px;
  --header-h: 70px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 35% 12%, rgba(61, 129, 179, 0.22), transparent 32rem),
    linear-gradient(180deg, var(--night-900), #030912 55%, #071322);
  font-family: "Trebuchet MS", "Gill Sans", Verdana, sans-serif;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

p {
  line-height: 1.45;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--header-h);
  display: grid;
  grid-template-columns: minmax(150px, 220px) 1fr auto;
  align-items: center;
  gap: clamp(0.8rem, 2.4vw, 2.6rem);
  padding: 0.45rem clamp(1rem, 5vw, 4rem);
  background: rgba(4, 13, 24, 0.96);
  border-bottom: 1px solid rgba(122, 170, 205, 0.18);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(8px);
}

.brand img {
  width: clamp(116px, 15vw, 168px);
  filter: drop-shadow(0 5px 0 rgba(0, 0, 0, 0.35));
}

.site-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  font-size: 0.9rem;
  font-weight: 900;
  text-transform: uppercase;
  text-shadow: 0 3px 0 #07101d;
}

.site-nav a {
  position: relative;
  padding: 0.55rem clamp(0.85rem, 2vw, 1.8rem);
  transition: color 160ms ease, transform 160ms ease;
}

.site-nav a + a {
  border-left: 1px solid rgba(190, 218, 238, 0.25);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #a8df60;
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 44px;
  padding: 0.65rem;
  border: 2px solid rgba(183, 215, 240, 0.3);
  background: rgba(8, 24, 39, 0.88);
  box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.28);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  height: 3px;
  margin: 5px 0;
  background: var(--ink);
}

.pixel-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.6rem 1.35rem;
  color: white;
  font-weight: 900;
  text-transform: uppercase;
  background:
    linear-gradient(180deg, #85cb3f 0%, #60a62b 52%, #3f7e20 100%);
  border: 3px solid #1c4b13;
  box-shadow:
    inset 0 3px 0 rgba(255, 255, 255, 0.28),
    inset 0 -5px 0 rgba(14, 55, 12, 0.45),
    0 5px 0 rgba(0, 0, 0, 0.35);
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.45);
  transition: transform 160ms ease, filter 160ms ease;
}

.pixel-button:hover,
.pixel-button:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.section-anchor {
  scroll-margin-top: calc(var(--header-h) + 8px);
}

.container {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0;
  text-shadow:
    0 3px 0 #07101d,
    3px 0 0 #07101d,
    -3px 0 0 #07101d;
}

h2,
.about-copy h1 {
  position: relative;
  display: inline-block;
  margin-bottom: 2.4rem;
  font-size: clamp(1.55rem, 3.2vw, 2.2rem);
}

h2::after,
.about-copy h1::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.55rem;
  width: 4rem;
  height: 4px;
  background: var(--green-500);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.45);
}

.hero {
  position: relative;
  min-height: min(610px, calc(100svh - var(--header-h)));
  padding: clamp(2rem, 6vw, 4.6rem) 0 5.8rem;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(50, 128, 190, 0.92), rgba(21, 72, 116, 0.78) 46%, rgba(5, 14, 22, 0.92));
}

.hero::after,
.band::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 8px 8px;
  mix-blend-mode: screen;
  opacity: 0.35;
}

.sky-layer {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(55, 116, 166, 0.22), rgba(3, 11, 20, 0.3));
}

.cloud {
  position: absolute;
  z-index: 1;
  width: clamp(58px, 8vw, 112px);
  height: clamp(28px, 4vw, 54px);
  opacity: 0.54;
  background:
    linear-gradient(90deg, transparent 0 12%, #d6e1eb 12% 88%, transparent 88%),
    linear-gradient(90deg, transparent 0 26%, #edf3f7 26% 66%, transparent 66%),
    linear-gradient(90deg, #bbc9d4 0 100%);
  background-size: 100% 38%, 66% 52%, 82% 30%;
  background-position: center bottom, center top, center 58%;
  background-repeat: no-repeat;
  image-rendering: pixelated;
  filter: drop-shadow(0 5px 0 rgba(16, 48, 80, 0.14));
}

.cloud-a {
  left: 9%;
  top: 19%;
}

.cloud-b {
  left: 55%;
  top: 14%;
  transform: scale(1.25);
}

.cloud-c {
  right: 8%;
  top: 25%;
  transform: scale(0.82);
}

.cloud-d {
  left: 40%;
  top: 34%;
  transform: scale(0.68);
}

.mountains {
  position: absolute;
  left: -6vw;
  right: -6vw;
  height: clamp(135px, 21vw, 260px);
  opacity: 1;
  clip-path: polygon(0 100%, 0 78%, 8% 62%, 14% 72%, 23% 34%, 31% 64%, 39% 42%, 48% 70%, 57% 30%, 66% 67%, 75% 44%, 84% 72%, 93% 36%, 100% 67%, 100% 100%);
  image-rendering: pixelated;
}

.mountains-back {
  bottom: 7rem;
  opacity: 1;
  background: linear-gradient(135deg, #3d6285 0 34%, #1f3e5f 35% 62%, #122b45 63%);
}

.mountains-front {
  bottom: 4.7rem;
  opacity: 1;
  background: linear-gradient(135deg, #476f90 0 26%, #24486d 27% 58%, #14304f 59%);
  clip-path: polygon(0 100%, 0 64%, 7% 42%, 16% 76%, 24% 44%, 33% 68%, 43% 24%, 52% 70%, 63% 36%, 71% 73%, 81% 42%, 91% 76%, 100% 48%, 100% 100%);
}

.hero-tree {
  position: absolute;
  bottom: 50px;
  width: clamp(86px, 12vw, 170px);
  opacity: 1;
  filter: brightness(0.78) saturate(0.85);
}

.hero-tree-left {
  left: max(-1.4rem, 1vw);
}

.hero-tree-left-mid {
  left: 18%;
  width: clamp(72px, 9vw, 125px);
  opacity: 1;
  filter: brightness(0.58) saturate(0.75);
}

.hero-tree-right-mid {
  right: 21%;
  width: clamp(80px, 10vw, 145px);
  opacity: 1;
  filter: brightness(0.6) saturate(0.78);
}

.hero-tree-right {
  right: max(-1.4rem, 2vw);
  width: clamp(92px, 13vw, 185px);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(560px, calc(100% - 2rem));
  margin-left: clamp(1rem, 10vw, 9rem);
  display: grid;
  justify-items: center;
  text-align: center;
}

.hero-logo {
  width: min(550px, 92vw);
  margin: 0 auto 1.25rem;
  filter: drop-shadow(0 8px 0 rgba(0, 0, 0, 0.36));
}

.hero-content p {
  max-width: 430px;
  margin: 0.2rem auto;
  text-align: center;
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  font-weight: 800;
  text-shadow: 0 3px 0 rgba(5, 10, 18, 0.9);
}

.hero-content .hero-lede {
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
}

.store-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.9rem;
}

.hero-content .store-actions {
  width: 100%;
  justify-content: center;
}

.store-badge {
  width: min(224px, 100%);
  min-height: 62px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  filter: drop-shadow(0 4px 0 rgba(0, 0, 0, 0.5));
  transition: transform 160ms ease, filter 160ms ease;
}

.store-badge:hover,
.store-badge:focus-visible {
  transform: translateY(-2px);
  filter: drop-shadow(0 6px 0 rgba(0, 0, 0, 0.45)) brightness(1.05);
}

.store-badge img {
  width: 100%;
  height: auto;
}

.playfield {
  position: absolute;
  z-index: 3;
}

.hero-playfield {
  right: clamp(4rem, 14vw, 12rem);
  bottom: 4rem;
  width: clamp(178px, 19vw, 270px);
  height: 150px;
  --hero-plank-top: 56px;
  --hero-bounce-top: 224px;
}

.ball {
  position: absolute;
  width: clamp(50px, 6.4vw, 74px);
  transform-origin: 50% 100%;
  filter: drop-shadow(0 7px 0 rgba(0, 0, 0, 0.45));
}

.ball-float {
  left: 50%;
  bottom: var(--hero-plank-top);
  transform: translateX(-50%);
  will-change: bottom, transform;
}

.plank {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: min(196px, 76%);
  transform: translateX(-50%);
  filter: drop-shadow(0 5px 0 rgba(0, 0, 0, 0.45));
}

.ground {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 56px;
  background:
    linear-gradient(180deg, #5cad2a 0 22%, #356f21 23% 35%, #183f1a 36% 61%, #142310 62%),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.12) 0 7px, transparent 7px 24px);
  border-top: 5px solid #72c83e;
  box-shadow: inset 0 8px 0 rgba(0, 0, 0, 0.16);
}

.band {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 0%, rgba(33, 86, 126, 0.22), transparent 30rem),
    linear-gradient(180deg, #06111f, #06101b);
}

.features,
.stages {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
}

.feature-item {
  min-height: 200px;
  display: grid;
  justify-items: center;
  align-content: start;
  padding: 0 2.1rem;
  text-align: center;
  border-right: 1px solid var(--panel-line);
}

.feature-item:last-child {
  border-right: 0;
}

.feature-item img {
  height: 74px;
  width: auto;
  margin-bottom: 1.2rem;
  object-fit: contain;
  filter: drop-shadow(0 6px 0 rgba(0, 0, 0, 0.35));
}

.feature-item:nth-child(2) img {
  width: 136px;
  object-fit: contain;
}

.feature-item h3,
.stage-card h3 {
  font-size: 1.05rem;
}

.feature-item p {
  max-width: 220px;
  margin: 0.8rem auto 0;
  color: var(--ink);
  font-size: 0.98rem;
}

.trophy {
  width: 76px;
  height: 76px;
  display: grid;
  place-items: center;
  margin-bottom: 1.2rem;
  color: #8a5a08;
  font-size: 0;
  background:
    linear-gradient(90deg, transparent 0 11px, #ffc14b 11px 64px, transparent 64px),
    radial-gradient(circle at 50% 25%, #fff3a7 0 10px, transparent 11px),
    linear-gradient(180deg, #ffdf66, #d89116);
  clip-path: polygon(16% 9%, 84% 9%, 78% 55%, 61% 68%, 61% 82%, 78% 82%, 78% 94%, 22% 94%, 22% 82%, 39% 82%, 39% 68%, 22% 55%);
  filter: drop-shadow(0 6px 0 rgba(0, 0, 0, 0.35));
}

.stage-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(140px, 1fr));
  gap: clamp(1rem, 2.6vw, 2rem);
}

.stage-card {
  overflow: hidden;
  text-align: center;
  background: transparent;
  border: 0;
  border-radius: 10px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
}

.stage-card img {
  width: 100%;
  height: auto;
  border-radius: 10px;
}

.stages-button {
  margin: 2rem auto 0;
}

.stages .container {
  display: grid;
}

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 400px;
  background:
    linear-gradient(90deg, #143e64, #071422 54%, #0d2943);
}

.about-scene {
  position: relative;
  min-height: 400px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(64, 142, 202, 0.74), rgba(9, 34, 45, 0.9));
}

.about-clouds {
  position: absolute;
  inset: 0;
  opacity: 0.9;
}

.about-cloud {
  width: clamp(42px, 7vw, 86px);
  height: clamp(22px, 3.5vw, 42px);
}

.about-cloud-a {
  left: 10%;
  top: 15%;
  transform: scale(0.86);
}

.about-cloud-b {
  left: 47%;
  top: 11%;
  transform: scale(0.64);
}

.about-cloud-c {
  right: 12%;
  top: 23%;
  transform: scale(0.72);
}

.about-mountains {
  position: absolute;
  left: -8%;
  right: -8%;
  bottom: 52px;
  height: clamp(90px, 16vw, 180px);
  clip-path: polygon(0 100%, 0 74%, 8% 58%, 17% 74%, 26% 38%, 36% 70%, 47% 48%, 57% 72%, 67% 30%, 78% 70%, 88% 44%, 100% 66%, 100% 100%);
  image-rendering: pixelated;
}

.about-mountains-back {
  bottom: 92px;
  opacity: 0.26;
  background: linear-gradient(120deg, #6387a6 0 20%, #385d82 21% 46%, #244568 47% 72%, #123150 73%);
  clip-path: polygon(0 100%, 0 76%, 10% 68%, 19% 46%, 30% 78%, 42% 34%, 55% 72%, 68% 52%, 82% 75%, 93% 42%, 100% 62%, 100% 100%);
}

.about-mountains-front {
  opacity: 0.42;
  background: linear-gradient(135deg, #476f90 0 24%, #22486d 25% 62%, #14304f 63%);
  clip-path: polygon(0 100%, 0 66%, 8% 50%, 18% 76%, 29% 36%, 39% 68%, 51% 44%, 63% 78%, 73% 28%, 84% 72%, 94% 48%, 100% 64%, 100% 100%);
}

.about-tree {
  position: absolute;
  bottom: 46px;
  width: clamp(92px, 13vw, 160px);
  filter: brightness(0.76);
}

.about-tree.bg {
  bottom: 46px;
  z-index: 1;
  width: clamp(42px, 6.5vw, 82px);
  opacity: 0.45;
  filter: brightness(0.5) saturate(0.78);
}

.about-tree.bg-a {
  left: 22%;
}

.about-tree.bg-b {
  left: 64%;
  width: clamp(38px, 5.5vw, 70px);
}

.about-tree.bg-c {
  right: 4%;
  width: clamp(48px, 7vw, 86px);
}

.about-tree.left {
  left: 5%;
  z-index: 2;
}

.about-tree.right {
  right: 8%;
  z-index: 2;
}

.jump-arc {
  position: absolute;
  width: 150px;
  height: 92px;
  border-top: 4px dotted white;
  border-radius: 50% 50% 0 0;
  opacity: 0.92;
}

.about-scene .jump-arc {
  left: 34%;
  bottom: 116px;
  transform: rotate(8deg);
}

.about-ball {
  position: absolute;
  z-index: 4;
  left: 47%;
  bottom: 116px;
  width: 54px;
  filter: drop-shadow(0 6px 0 rgba(0, 0, 0, 0.42));
}

.about-plank {
  position: absolute;
  z-index: 3;
  left: 38%;
  bottom: 62px;
  width: 160px;
  filter: drop-shadow(0 5px 0 rgba(0, 0, 0, 0.42));
}

.mini-ground {
  height: 46px;
}

.about-copy {
  position: relative;
  padding: clamp(3rem, 7vw, 5.5rem) clamp(1.5rem, 7vw, 6rem);
  background:
    radial-gradient(circle at 78% 83%, rgba(69, 123, 160, 0.22), transparent 15rem),
    rgba(5, 15, 26, 0.48);
}

.about-copy p {
  max-width: 520px;
  margin: 0 0 1.5rem;
  font-size: clamp(1rem, 2vw, 1.14rem);
}

.about-copy ul {
  display: grid;
  gap: 0.72rem;
  padding: 0;
  margin: 0;
  list-style: none;
  font-weight: 800;
}

.about-copy li::before {
  content: "\2713";
  margin-right: 0.65rem;
  color: #91db49;
  text-shadow: 0 2px 0 #092011;
}

.download {
  min-height: 360px;
  padding: clamp(3rem, 7vw, 5rem) 0 2.2rem;
}

.download-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.95fr) minmax(300px, 1.05fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.download p {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.18rem);
  font-weight: 800;
}

.download-playfield {
  position: relative;
  height: 220px;
}

.download-tree {
  position: absolute;
  bottom: 38px;
  width: clamp(64px, 9vw, 108px);
  filter: brightness(0.74);
}

.tree-a {
  left: 8%;
}

.tree-b {
  right: 7%;
  width: clamp(72px, 10vw, 118px);
}

.tree-c {
  left: 27%;
  width: clamp(46px, 6vw, 78px);
  opacity: 0.46;
  filter: brightness(0.55);
}

.tree-d {
  right: 26%;
  width: clamp(48px, 6vw, 82px);
  opacity: 0.42;
  filter: brightness(0.52);
}

.download-ball {
  z-index: 4;
  left: 50%;
  right: auto;
  top: auto;
  bottom: 108px;
  width: clamp(48px, 6.5vw, 68px);
  transform: translateX(-50%);
}

.download-plank {
  z-index: 3;
  left: 50%;
  right: auto;
  bottom: 50px;
  width: clamp(126px, 17vw, 178px);
  transform: translateX(-50%);
}

.download-ground {
  height: 38px;
}

.site-footer {
  padding: clamp(2.8rem, 6vw, 4.5rem) 0 2rem;
  background:
    radial-gradient(circle at 35% 0%, rgba(35, 91, 128, 0.23), transparent 24rem),
    linear-gradient(180deg, #0b2033, #06111e);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, minmax(130px, 1fr));
  gap: clamp(1.5rem, 5vw, 4.5rem);
  align-items: start;
}

.footer-logo {
  width: min(260px, 70vw);
  filter: drop-shadow(0 6px 0 rgba(0, 0, 0, 0.32));
}

.site-footer h2 {
  margin-bottom: 1.2rem;
  font-size: 0.98rem;
}

.site-footer h2::after {
  display: none;
}

.site-footer a {
  display: block;
  margin: 0.45rem 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: white;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.social-links a {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  margin: 0;
  cursor: default;
}

.social-links img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.95;
}

.copyright {
  width: min(var(--max), calc(100% - 2rem));
  margin: 2.8rem auto 0;
  color: #9eb0c0;
  text-align: center;
}

@media (max-width: 980px) {
  :root {
    --header-h: 68px;
  }

  .site-header {
    grid-template-columns: auto auto 1fr;
  }

  .nav-toggle {
    display: block;
    justify-self: end;
    order: 3;
  }

  .header-download {
    justify-self: end;
    min-height: 38px;
    padding: 0.5rem 0.85rem;
    font-size: 0.8rem;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: grid;
    gap: 0;
    padding: 1rem;
    background: rgba(4, 13, 24, 0.98);
    border-bottom: 1px solid rgba(122, 170, 205, 0.18);
    transform: translateY(-125%);
    transition: transform 180ms ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
  }

  .site-nav a {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
  }

  .site-nav a + a {
    border-left: 0;
  }

  .hero {
    min-height: 610px;
    padding-top: 2.8rem;
  }

  .hero-content {
    margin: 0 auto;
    text-align: center;
    display: grid;
    justify-items: center;
  }

  .store-actions {
    justify-content: center;
  }

  .hero-playfield {
    display: none;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 2rem;
  }

  .feature-item:nth-child(2) {
    border-right: 0;
  }

  .stage-grid {
    grid-template-columns: repeat(2, minmax(150px, 1fr));
  }

  .stage-card:last-child {
    grid-column: 1 / -1;
    width: min(260px, 100%);
    justify-self: center;
  }

  .about {
    grid-template-columns: 1fr;
  }

  .about-scene {
    min-height: 340px;
  }

  .download-layout {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 620px) {
  :root {
    --header-h: 66px;
  }

.site-header {
    grid-template-columns: 1fr auto;
    padding: 0.55rem 1rem;
  }

.brand img {
    width: 118px;
  }

  .header-download {
    display: none;
  }

  .nav-toggle {
    grid-column: 2;
  }

  .hero {
    min-height: 580px;
    padding-bottom: 5.2rem;
  }

  .hero-logo {
    width: min(370px, 92vw);
    margin-left: auto;
    margin-right: auto;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .store-badge {
    min-width: min(100%, 250px);
    justify-content: center;
  }

  .hero-tree-left {
    left: -34px;
  }

  .hero-tree-right {
    right: -36px;
  }

  .hero-tree-left-mid,
  .hero-tree-right-mid {
    display: none;
  }

  .hero-playfield {
    width: min(230px, 72vw);
    height: 138px;
  }

  .features,
  .stages {
    padding: 3rem 0;
  }

  .features .container {
    text-align: center;
  }

  .features h2::after,
  .download h2::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-item {
    min-height: auto;
    padding: 1.7rem 1rem;
    border-right: 0;
    border-bottom: 1px solid var(--panel-line);
  }

  .feature-item:last-child {
    border-bottom: 0;
  }

  .stage-grid {
    grid-template-columns: 1fr;
  }

  .stage-card:last-child {
    grid-column: auto;
    width: 100%;
  }

  .about-copy {
    padding: 3rem 1rem;
  }

  .about-scene {
    min-height: 300px;
  }

  .about-scene .jump-arc {
    left: calc(47% - 112px);
    bottom: 84px;
    width: 126px;
    transform: rotate(8deg);
  }

  .about-ball {
    left: 47%;
    width: 46px;
    bottom: 112px;
  }

  .about-plank {
    left: 30%;
    width: 142px;
    bottom: 64px;
  }

  .download-playfield {
    height: 190px;
    overflow: hidden;
  }

  .tree-a {
    left: 0;
  }

  .tree-b {
    right: 0;
  }

  .tree-c,
  .tree-d {
    display: none;
  }

  .download-ball {
    left: 50%;
    right: auto;
    top: auto;
    bottom: 102px;
  }

  .download-plank {
    left: 50%;
    right: auto;
    bottom: 50px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .footer-logo {
    margin: 0 auto;
  }

  .site-footer a {
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }

  .copyright {
    text-align: center;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 1ms !important;
  }
}