.snake-header {
  background: rgba(4, 4, 4, 0.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.snake-logo {
  height: 5.6rem;
}

.snake-main {
  padding-top: calc(var(--header-height) + 40px);
}

.snake-hero,
.snake-notes {
  width: min(1180px, calc(100% - 4rem));
  margin: 0 auto;
}

.snake-hero {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(320px, 1.1fr);
  gap: 2rem;
  align-items: center;
  min-height: calc(100vh - 40px);
  padding: 4.5rem 0 4rem;
}

.snake-copy {
  display: grid;
  gap: 1rem;
}

.snake-copy h1 {
  margin: 0;
  font-family: "Archivo Black", sans-serif;
  font-size: clamp(3.4rem, 8vw, 6.2rem);
  line-height: 0.88;
  text-transform: uppercase;
}

.snake-subline,
.snake-help {
  max-width: 34rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.snake-status-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 0.5rem;
}

.snake-stat,
.snake-note-card {
  padding: 1.2rem 1.3rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
}

.snake-stat span {
  display: block;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.snake-stat strong {
  display: block;
  margin-top: 0.45rem;
  font-family: "Archivo Black", sans-serif;
  font-size: 1.45rem;
  text-transform: uppercase;
}

.snake-stage {
  display: grid;
  gap: 1rem;
}

.snake-board-shell {
  position: relative;
  width: min(100%, 46rem);
  justify-self: center;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 32px;
  background:
    radial-gradient(circle at top, rgba(47, 107, 255, 0.18), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
}

#restart-game {
  border-color: rgba(255, 255, 255, 0.26);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04)),
    rgba(255, 255, 255, 0.06);
  color: var(--text);
}

#restart-game:hover {
  border-color: rgba(255, 255, 255, 0.42);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.06)),
    rgba(255, 255, 255, 0.08);
}

#snake-board {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(11, 18, 42, 0.94), rgba(4, 4, 12, 1));
}

.snake-overlay {
  position: absolute;
  inset: 1rem;
  display: grid;
  place-content: center;
  gap: 0.7rem;
  padding: 2rem;
  border-radius: 24px;
  background: rgba(3, 5, 14, 0.58);
  text-align: center;
  transition: opacity 180ms ease, visibility 180ms ease;
}

.snake-overlay.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.snake-overlay-label {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.snake-overlay h2 {
  margin: 0;
  font-family: "Archivo Black", sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 0.95;
  text-transform: uppercase;
}

.snake-overlay p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.snake-overlay-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
  margin-top: 0.5rem;
}

.snake-overlay-actions .button {
  min-width: 9.5rem;
}

.snake-touchpad {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-areas:
    ". up ."
    "left down right";
  gap: 0.75rem;
  width: min(22rem, 100%);
  justify-self: center;
}

.touch-button {
  min-height: 56px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-weight: 700;
}

.touch-up {
  grid-area: up;
}

.touch-left {
  grid-area: left;
}

.touch-down {
  grid-area: down;
}

.touch-right {
  grid-area: right;
}

.snake-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  padding-bottom: 4rem;
}

.snake-note-card h3 {
  margin: 0.75rem 0 0;
  font-family: "Archivo Black", sans-serif;
  font-size: 1.5rem;
  text-transform: uppercase;
}

.snake-note-card p:last-child {
  margin: 0.65rem 0 0;
  color: var(--text-muted);
  line-height: 1.6;
}

@media (max-width: 980px) {
  .snake-hero {
    grid-template-columns: 1fr;
    padding-top: 2.5rem;
  }

  .snake-notes {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .snake-hero,
  .snake-notes {
    width: min(1180px, calc(100% - 2rem));
  }

  .snake-logo {
    height: 4.8rem;
  }

  .snake-status-row {
    grid-template-columns: 1fr;
  }
}