* {
  box-sizing: border-box;
}

:root {
  --red: #cc2f25;
  --blue: #245f9f;
  --yellow: #efbd31;
  --green: #4f8b3e;
  --cream: #f4dfad;
  --paper: #f0d8a6;
  --ink: #101010;
  --dark: #07111c;
  --dark2: #11100e;
  --white: #fff8dc;
  --shadow: rgba(0, 0, 0, .38);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 236, 165, .65), transparent 26%),
    linear-gradient(135deg, #efd9a8, #b18443);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(0,0,0,.04) 1px, transparent 1px),
    linear-gradient(rgba(0,0,0,.03) 1px, transparent 1px),
    radial-gradient(circle at 15% 10%, rgba(0,0,0,.08), transparent 18%),
    radial-gradient(circle at 90% 75%, rgba(0,0,0,.08), transparent 20%);
  background-size: 8px 8px, 8px 8px, auto, auto;
  mix-blend-mode: multiply;
  opacity: .42;
}

.page-texture {
  position: fixed;
  inset: 0;
  z-index: 59;
  pointer-events: none;
  background:
    radial-gradient(circle, transparent 0 50%, rgba(0,0,0,.16) 100%),
    linear-gradient(180deg, rgba(255,255,255,.14), rgba(0,0,0,.06));
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px clamp(16px, 4vw, 44px);
  background: rgba(6, 10, 16, .92);
  border-bottom: 5px solid var(--yellow);
  box-shadow: 0 8px 0 rgba(0,0,0,.22);
  backdrop-filter: blur(12px);
}

.brand img {
  display: block;
  width: 150px;
  max-height: 64px;
  object-fit: contain;
  filter: drop-shadow(3px 4px 0 #000);
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: 22px;
  color: #fff;
  font-weight: 1000;
  text-transform: uppercase;
  font-size: 14px;
  letter-spacing: .03em;
}

.desktop-nav a:hover {
  color: var(--yellow);
}

.lang-toggle {
  min-width: 48px;
  height: 42px;
  border: 3px solid #fff;
  border-radius: 12px;
  background: var(--yellow);
  color: #111;
  font-weight: 1000;
  box-shadow: 3px 3px 0 #000;
  cursor: pointer;
}

.menu-toggle {
  width: 48px;
  height: 42px;
  display: grid;
  gap: 5px;
  align-content: center;
  border: 3px solid #fff;
  border-radius: 12px;
  background: var(--blue);
  padding: 8px;
}

.menu-toggle span {
  height: 4px;
  background: #fff;
  border-radius: 99px;
}

.mobile-nav {
  position: fixed;
  top: 86px;
  left: 16px;
  right: 16px;
  z-index: 99;
  display: none;
  padding: 14px;
  background: #07111c;
  color: #fff;
  border: 5px solid var(--yellow);
  border-radius: 18px;
  box-shadow: 0 20px 30px var(--shadow);
}

.mobile-nav.is-open {
  display: grid;
  gap: 10px;
}

.mobile-nav a {
  padding: 13px;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  font-weight: 900;
}

.section {
  padding: clamp(54px, 8vw, 112px) clamp(18px, 5vw, 80px);
}

.hero {
  min-height: calc(100dvh - 78px);
  display: grid;
  align-items: center;
  gap: 40px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 740px;
}

.retro-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 13px;
  border: 3px solid #111;
  border-radius: 999px;
  background: var(--yellow);
  color: #111;
  box-shadow: 4px 4px 0 #111;
  font-weight: 1000;
  text-transform: uppercase;
  letter-spacing: .04em;
  font-size: 13px;
}

.hero-logo {
  display: block;
  width: min(78vw, 420px);
  margin: 24px 0 16px;
  filter: drop-shadow(6px 8px 0 rgba(0,0,0,.42));
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  max-width: 780px;
  font-size: clamp(42px, 9vw, 94px);
  line-height: .86;
  letter-spacing: -.075em;
  text-transform: uppercase;
  text-shadow: 4px 4px 0 rgba(255,255,255,.75);
}

h2 {
  font-size: clamp(32px, 6.5vw, 64px);
  line-height: .92;
  letter-spacing: -.06em;
  text-transform: uppercase;
}

h3 {
  font-size: 26px;
  line-height: 1;
  margin-bottom: 10px;
}

p {
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.55;
  color: #3a2c1e;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 18px;
  border: 4px solid #111;
  border-radius: 14px;
  box-shadow: 5px 5px 0 #111;
  font-weight: 1000;
  text-transform: uppercase;
  transition: transform .15s ease, box-shadow .15s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 7px 7px 0 #111;
}

.btn-primary {
  background: var(--red);
  color: #fff;
}

.btn-secondary {
  background: var(--cream);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.hero-tags span {
  padding: 8px 11px;
  border: 2px solid #111;
  border-radius: 999px;
  background: rgba(255, 248, 220, .64);
  font-weight: 900;
}

.hero-art {
  display: grid;
  place-items: center;
}

.poster-board {
  position: relative;
  width: min(88vw, 430px);
  aspect-ratio: 9 / 14.5;
  overflow: hidden;
  border: 8px solid var(--ink);
  border-radius: 30px;
  background:
    linear-gradient(135deg, var(--red) 0 20%, transparent 20%),
    linear-gradient(45deg, var(--blue) 0 26%, transparent 26%),
    linear-gradient(155deg, transparent 0 44%, var(--yellow) 44% 62%, transparent 62%),
    var(--dark2);
  box-shadow: 18px 24px 0 rgba(0,0,0,.23);
  transform: rotate(1.4deg);
}

.poster-board::before {
  content: "";
  position: absolute;
  inset: 15px;
  border: 5px solid var(--yellow);
  border-radius: 20px;
  box-shadow:
    inset 0 0 0 5px var(--blue),
    inset 0 0 0 10px #fff8dc;
}

.poster-board::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(105deg, rgba(255,255,255,.05) 0 3px, transparent 3px 9px),
    radial-gradient(circle at 30% 15%, rgba(255,255,255,.18), transparent 20%),
    linear-gradient(rgba(255,255,255,.06), rgba(0,0,0,.1));
  mix-blend-mode: overlay;
}

.poster-logo {
  position: absolute;
  z-index: 8;
  left: 50%;
  top: 42px;
  transform: translateX(-50%) rotate(-2deg);
  width: 78%;
}

.poster-logo img {
  width: 100%;
  display: block;
  filter: drop-shadow(6px 7px 0 #000);
}

.poster-panel {
  position: absolute;
  z-index: 1;
  border: 5px solid #fff8dc;
  box-shadow: 5px 5px 0 #111;
}

.panel-red {
  left: 28px;
  top: 285px;
  width: 150px;
  height: 135px;
  background: var(--red);
  transform: rotate(-8deg);
}

.panel-blue {
  right: 32px;
  top: 260px;
  width: 145px;
  height: 145px;
  background: var(--blue);
  transform: rotate(8deg);
}

.panel-green {
  left: 50px;
  bottom: 155px;
  width: 145px;
  height: 130px;
  background: var(--green);
  transform: rotate(6deg);
}

.panel-yellow {
  right: 42px;
  bottom: 120px;
  width: 155px;
  height: 150px;
  background: var(--yellow);
  transform: rotate(-7deg);
}

.object {
  position: absolute;
  z-index: 3;
  background: #fff3cf;
  filter: drop-shadow(5px 5px 0 #111);
}

.jet {
  right: 54px;
  top: 320px;
  width: 150px;
  height: 82px;
  clip-path: polygon(0 52%, 48% 35%, 100% 2%, 73% 51%, 100% 96%, 48% 68%);
}

.car {
  left: 42px;
  top: 375px;
  width: 190px;
  height: 70px;
  clip-path: polygon(4% 68%, 18% 36%, 62% 28%, 86% 61%, 96% 66%, 96% 82%, 4% 82%);
}

.bike {
  right: 54px;
  top: 470px;
  width: 150px;
  height: 74px;
  clip-path: polygon(8% 66%, 20% 48%, 38% 48%, 50% 35%, 68% 42%, 81% 63%, 88% 63%, 88% 80%, 8% 80%);
}

.tank {
  left: 45px;
  bottom: 265px;
  width: 190px;
  height: 78px;
  clip-path: polygon(8% 62%, 18% 38%, 48% 35%, 58% 20%, 90% 20%, 92% 30%, 65% 37%, 80% 62%, 95% 66%, 89% 82%, 12% 82%);
}

.ship {
  right: 35px;
  bottom: 260px;
  width: 190px;
  height: 76px;
  clip-path: polygon(8% 45%, 78% 45%, 97% 62%, 82% 84%, 20% 84%);
}

.phone {
  left: 72px;
  bottom: 95px;
  width: 74px;
  height: 120px;
  border-radius: 16px;
}

.starburst {
  position: absolute;
  z-index: 6;
  left: 28px;
  top: 238px;
  width: 76px;
  aspect-ratio: 1;
  background: var(--yellow);
  clip-path: polygon(50% 0, 60% 32%, 92% 15%, 72% 45%, 100% 55%, 66% 61%, 82% 95%, 50% 72%, 18% 95%, 34% 61%, 0 55%, 28% 45%, 8% 15%, 40% 32%);
  filter: drop-shadow(4px 4px 0 #111);
}

.checkers {
  position: absolute;
  z-index: 6;
  right: 25px;
  top: 210px;
  width: 84px;
  height: 54px;
  background:
    linear-gradient(45deg, #fff 25%, #111 25% 50%, #fff 50% 75%, #111 75%);
  background-size: 20px 20px;
  transform: rotate(8deg);
  border: 3px solid #111;
}

.section-heading {
  max-width: 860px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-heading p {
  max-width: 720px;
  margin-inline: auto;
}

.steps,
.collection-grid,
.feature-list {
  display: grid;
  gap: 18px;
}

.steps article,
.collection-card,
.feature-list article,
.notify-box,
.screen-card,
.screen-copy {
  border: 5px solid #111;
  border-radius: 24px;
  background: rgba(255, 239, 190, .86);
  box-shadow: 8px 8px 0 rgba(0,0,0,.22);
  overflow: hidden;
}

.steps article,
.collection-card,
.feature-list article,
.screen-copy {
  padding: 24px;
}

.steps article span {
  display: inline-grid;
  place-items: center;
  width: 56px;
  aspect-ratio: 1;
  margin-bottom: 16px;
  border: 4px solid #111;
  border-radius: 50%;
  background: var(--yellow);
  font-weight: 1000;
}

.collection-card {
  min-height: 225px;
  color: #fff;
}

.collection-card p {
  color: rgba(255,255,255,.86);
}

.collection-card.red { background: var(--red); }
.collection-card.blue { background: var(--blue); }
.collection-card.green { background: var(--green); }
.collection-card.yellow { background: var(--yellow); color: #111; }
.collection-card.yellow p { color: #342512; }

.mini-art {
  width: 88px;
  height: 58px;
  background: #fff8dc;
  margin-bottom: 20px;
  filter: drop-shadow(4px 4px 0 rgba(0,0,0,.45));
}

.mini-car { clip-path: polygon(4% 68%, 18% 36%, 62% 28%, 86% 61%, 96% 66%, 96% 82%, 4% 82%); }
.mini-jet { clip-path: polygon(0 52%, 48% 35%, 100% 2%, 73% 51%, 100% 96%, 48% 68%); }
.mini-ship { clip-path: polygon(8% 45%, 80% 45%, 97% 60%, 82% 82%, 20% 82%); }
.mini-phone { width: 58px; height: 88px; border-radius: 12px; clip-path: none; }

.screens {
  display: grid;
  gap: 24px;
  align-items: center;
}

.screen-card {
  position: relative;
  min-height: 620px;
  padding: 26px;
  color: #fff8dc;
  background:
    radial-gradient(circle at 50% 18%, rgba(239,189,49,.55), transparent 22%),
    radial-gradient(circle at 50% 68%, rgba(36,95,159,.22), transparent 36%),
    #07111c;
}

.screen-card::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 5px solid var(--yellow);
  border-radius: 18px;
  box-shadow: inset 0 0 0 5px var(--red);
  pointer-events: none;
}

.screen-card h2 {
  position: relative;
  z-index: 3;
  margin: 18px 0 0;
  text-align: center;
  color: #fff1bf;
  -webkit-text-stroke: 2px #111;
  text-shadow: 5px 5px 0 #111;
}

.screen-card p {
  position: relative;
  z-index: 3;
  max-width: 340px;
  margin: 14px auto 0;
  color: #f4dfad;
  text-align: center;
}

.screen-logo {
  position: relative;
  z-index: 4;
  width: min(84%, 330px);
  margin: 10px auto 18px;
}

.screen-logo img {
  width: 100%;
  filter: drop-shadow(5px 6px 0 #000);
}

.trophy {
  position: relative;
  z-index: 3;
  width: 150px;
  height: 160px;
  margin: 0 auto;
  background: var(--yellow);
  clip-path: polygon(28% 10%, 72% 10%, 78% 22%, 96% 16%, 88% 48%, 72% 46%, 64% 64%, 58% 64%, 58% 78%, 73% 82%, 73% 92%, 27% 92%, 27% 82%, 42% 78%, 42% 64%, 36% 64%, 28% 46%, 12% 48%, 4% 16%, 22% 22%);
  filter: drop-shadow(6px 7px 0 #111);
}

.battle-card {
  background: #07111c;
}

.scorebar {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  overflow: hidden;
  border: 4px solid #111;
  border-radius: 18px;
  background: #fff;
}

.scorebar div {
  padding: 12px;
}

.scorebar div:first-child { background: var(--blue); }
.scorebar div:last-child { background: var(--red); text-align: right; }
.scorebar strong, .scorebar span { display: block; }
.scorebar b {
  display: grid;
  place-items: center;
  padding: 0 10px;
  color: #111;
  font-size: 30px;
  font-weight: 1000;
}

.battle-card > h2 {
  font-size: 34px;
  margin: 24px 0;
  color: #fff;
  -webkit-text-stroke: 0;
  text-shadow: none;
}

.battle-preview {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.play-card {
  min-height: 300px;
  border: 4px solid #111;
  border-radius: 14px;
  overflow: hidden;
}

.play-card.front {
  padding: 8px;
  background: var(--cream);
  color: #111;
}

.card-title {
  display: flex;
  justify-content: space-between;
  border: 3px solid #111;
  border-radius: 6px;
  padding: 7px;
  font-size: 12px;
  font-weight: 1000;
}

.card-img {
  height: 104px;
  margin: 8px 0;
  border: 3px solid #111;
  border-radius: 7px;
  background:
    linear-gradient(135deg, var(--red), transparent 40%),
    linear-gradient(45deg, transparent 35%, var(--yellow) 35% 55%, transparent 55%),
    var(--blue);
}

.stat {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  padding: 8px 0;
  border-bottom: 2px solid #111;
  font-size: 12px;
  font-weight: 900;
}

.play-card.back {
  display: grid;
  place-items: center;
  gap: 7px;
  padding: 24px;
  background: #b8322d;
}

.play-card.back i {
  width: 80%;
  height: 36px;
  background: #f3ead2;
}

.play-card.back i:nth-child(1) { clip-path: polygon(0 47%, 48% 32%, 100% 0, 73% 49%, 100% 100%, 48% 68%); }
.play-card.back i:nth-child(2) { clip-path: polygon(5% 58%, 22% 30%, 70% 30%, 88% 58%, 94% 58%, 94% 78%, 5% 78%); }
.play-card.back i:nth-child(3) { clip-path: polygon(8% 44%, 82% 44%, 96% 58%, 82% 76%, 18% 76%); }
.play-card.back i:nth-child(4) { clip-path: polygon(8% 66%, 20% 48%, 38% 48%, 50% 35%, 68% 42%, 81% 63%, 88% 63%, 88% 80%, 8% 80%); }

.vs-token {
  position: absolute;
  z-index: 4;
  left: 50%;
  top: 44%;
  transform: translate(-50%, -50%);
  width: 62px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 4px solid #111;
  border-radius: 50%;
  background: var(--yellow);
  color: #111;
  font-weight: 1000;
  box-shadow: 4px 4px 0 rgba(0,0,0,.28);
}

.screen-copy {
  background: #11100e;
  color: #fff;
}

.screen-copy p {
  color: rgba(255,255,255,.78);
}

.feature-list article {
  background: #11100e;
  color: #fff;
}

.feature-list article p {
  color: rgba(255,255,255,.78);
}

.site-footer {
  padding: 26px;
  text-align: center;
  background: #07111c;
  color: #fff;
  border-top: 5px solid var(--yellow);
}

.site-footer p {
  margin: 0;
  color: #fff;
}

@media (min-width: 820px) {
  .desktop-nav { display: flex; }
  .menu-toggle { display: none; }

  .hero {
    grid-template-columns: 1.05fr .95fr;
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .collection-grid,
  .feature-list {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .screen-copy {
    grid-column: 1 / -1;
  }

}

@media (min-width: 1160px) {
  .collection-grid,
  .feature-list {
    grid-template-columns: repeat(4, 1fr);
  }

  .screens {
    grid-template-columns: .85fr .85fr 1fr;
  }

  .screen-copy {
    grid-column: auto;
  }
}

@media (max-width: 460px) {
  .site-header {
    min-height: 72px;
  }

  .brand img {
    width: 128px;
  }

  .lang-toggle {
    min-width: 44px;
    height: 38px;
  }

  .poster-board {
    width: min(92vw, 390px);
  }

  .battle-preview {
    gap: 9px;
  }

  .screen-card {
    min-height: 560px;
    padding: 20px;
  }
}