/* Landing page. Colours, radius and spacing come only from the tokens in base.css. */

/* `hidden` must win over component display rules (e.g. the Install button's .btn). */
[hidden] {
  display: none !important;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

.site-header {
  padding-top: env(safe-area-inset-top);
}

.site-header .brand {
  font-size: 1.125rem;
  letter-spacing: 0.01em;
}

.controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.icon-btn {
  width: var(--tap);
  padding: 0;
}

.icon-btn svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Show the icon for the current state only. */
[data-theme-toggle] svg,
[data-sound-toggle] svg {
  display: none;
}
[data-theme-toggle][data-choice='system'] .i-system,
[data-theme-toggle][data-choice='light'] .i-light,
[data-theme-toggle][data-choice='dark'] .i-dark,
[data-sound-toggle][aria-pressed='false'] .i-on,
[data-sound-toggle][aria-pressed='true'] .i-off {
  display: block;
}
/* Before theme.js has run, show the system icon. */
[data-theme-toggle]:not([data-choice]) .i-system {
  display: block;
}

.page {
  flex: 1;
  width: 100%;
}

.intro {
  margin: var(--space-4) 0 var(--space-8);
  max-width: var(--measure);
}

.intro h1 {
  font-size: clamp(1.75rem, 1.2rem + 2.4vw, 2.6rem);
  letter-spacing: -0.015em;
  font-weight: 650;
}

.intro p {
  font-size: 1.0625rem;
  margin: 0;
  text-wrap: pretty;
}

/* ---- Tiles: one column on phones, two from 768 px, three from 1280 px ---- */

.tiles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .tiles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1280px) {
  .tiles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.tile {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--card);
  color: var(--card-foreground);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 1.5);
  overflow: hidden;
  box-shadow: var(--shadow);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease;
}

.tile .art {
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.tile .art img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 300ms ease;
}

.tile .art img.pixel {
  image-rendering: pixelated;
}

.tone-sun .art {
  background: var(--tile-sun);
}
.tone-meadow .art {
  background: var(--tile-meadow);
}
.tone-rose .art {
  background: var(--tile-rose);
}
.tone-sea .art {
  background: var(--tile-sea);
}
.tone-mint .art {
  background: var(--tile-mint);
}
.tone-night .art {
  background: var(--tile-night);
}

.tile .body {
  padding: var(--space-4) var(--space-4) var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  flex: 1;
}

.tile h2 {
  font-size: 1.1875rem;
  margin: 0;
}

.tile .body p {
  margin: 0 0 var(--space-2);
  text-wrap: pretty;
}

.tile .badge {
  margin-top: auto;
}

/* A playable tile lifts on hover and presses in on tap. */
a.tile:active {
  transform: scale(0.985);
}
@media (hover: hover) {
  a.tile:hover {
    transform: translateY(-2px);
  }
  a.tile:hover .art img {
    transform: scale(1.03);
  }
}

/* A coming-soon tile is greyed out, art and text, and nudges when tapped. Its badge keeps colour. */
.tile.is-soon .art {
  background: var(--muted);
}
.tile.is-soon .art img {
  filter: grayscale(1);
  opacity: 0.55;
}
.tile.is-soon h2,
.tile.is-soon .body p {
  color: var(--muted-foreground);
}
.tile.is-soon.nudge .art img {
  animation: nudge 360ms ease;
}
@keyframes nudge {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-6px) rotate(-1deg);
  }
  60% {
    transform: translateX(5px) rotate(0.8deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .tile,
  .tile .art img {
    transition: none;
  }
  .tile.is-soon.nudge .art img {
    animation: none;
  }
}

.site-footer {
  padding-bottom: calc(var(--space-6) + env(safe-area-inset-bottom));
}