:root {
  --bg-top: #8ecae6;
  --bg-bottom: #fef6d5;
  --ink: #102542;
  --cream: rgba(255, 248, 235, 0.88);
  --orange: #ef7d00;
  --blue: #1256a0;
  --red: #d62828;
  --shadow: rgba(16, 37, 66, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.55), transparent 35%),
    linear-gradient(180deg, #77c5e5 0%, #a5dbef 32%, #ffeab8 100%);
  touch-action: manipulation;
  user-select: none;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background:
    linear-gradient(135deg, transparent 0 46%, rgba(255, 255, 255, 0.15) 46% 54%, transparent 54% 100%),
    linear-gradient(45deg, transparent 0 48%, rgba(214, 40, 40, 0.08) 48% 52%, transparent 52% 100%);
  background-size: 220px 220px, 140px 140px;
  opacity: 0.6;
}

body::after {
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.5), transparent 18%),
    radial-gradient(circle at 80% 10%, rgba(255, 255, 255, 0.4), transparent 16%);
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.hero-card {
  width: min(1100px, 100%);
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(320px, 480px);
  gap: 28px;
  align-items: center;
}

.hero-copy {
  padding: 8px 0;
}

.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--blue);
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 0.92;
  text-wrap: balance;
}

.subcopy {
  margin: 18px 0 0;
  max-width: 42ch;
  font-size: 1.05rem;
  line-height: 1.55;
}

.hud-panel {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.hud-panel > div {
  padding: 16px;
  background: var(--cream);
  border: 2px solid rgba(18, 86, 160, 0.16);
  border-radius: 18px;
  box-shadow: 0 14px 30px var(--shadow);
  backdrop-filter: blur(8px);
}

.hud-label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 6px;
}

.game-frame {
  position: relative;
  width: min(100%, 480px);
  aspect-ratio: 2 / 3;
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 248, 235, 0.15));
  box-shadow:
    0 30px 60px rgba(16, 37, 66, 0.18),
    0 0 0 3px rgba(255, 255, 255, 0.45);
}

#game {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: manipulation;
  cursor: pointer;
}

.game-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(180deg, rgba(16, 37, 66, 0.16), rgba(16, 37, 66, 0.28));
  transition: opacity 180ms ease;
  cursor: pointer;
}

.game-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.overlay-card {
  width: min(100%, 320px);
  padding: 24px;
  text-align: center;
  background: rgba(255, 248, 235, 0.92);
  color: var(--ink);
  border-radius: 24px;
  border: 2px solid rgba(18, 86, 160, 0.18);
  box-shadow: 0 16px 32px rgba(16, 37, 66, 0.22);
}

.overlay-kicker {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.overlay-card h2 {
  margin: 10px 0 12px;
  font-size: 2rem;
  line-height: 0.98;
}

.overlay-card p {
  margin: 0;
  line-height: 1.5;
}

button {
  margin-top: 18px;
  border: 0;
  border-radius: 999px;
  padding: 14px 20px;
  min-width: 148px;
  font: inherit;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: white;
  background: linear-gradient(135deg, var(--orange), #ff9c33);
  box-shadow: 0 12px 24px rgba(239, 125, 0, 0.35);
  cursor: pointer;
  touch-action: manipulation;
}

button:hover {
  transform: translateY(-1px);
}

button:active {
  transform: translateY(1px);
}

@media (max-width: 920px) {
  .hero-card {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    order: 2;
  }

  .game-frame {
    margin-inline: auto;
  }
}

@media (max-width: 520px) {
  .page-shell {
    padding: 14px;
  }

  .hud-panel {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(2.2rem, 14vw, 3.2rem);
  }
}