/* The homepage. The keys of its keyboard and their case come from piano.css, the circle of fifths from theory.css,
   the colours, buttons and fade-in from main.css. */

/* Base (phones) */

/* The hero: what the site is, and a keyboard to play */
.home-hero {
  display: grid;
  gap: 32px;
  padding: 36px var(--pad) 40px;
}

.home-hero h1 {
  max-width: 15ch;
  margin: 12px 0 16px;
  font-size: clamp(2.2rem, 9vw, 3.9rem);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.home-lede {
  max-width: 42ch;
  margin: 0 0 28px;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--muted);
}

.home-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.home-ctas .btn {
  flex: 1 1 auto;
}

/* The keyboard, in its lacquered ebony case (.piano-case in piano.css) */
.home-play {
  padding: 22px 18px 16px;
}

.home-play-readout {
  display: grid;
  gap: 4px;
  min-height: 92px;
  margin-bottom: 18px;
}

.home-play-name {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 6vw, 2.25rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.home-play-detail {
  font-size: 0.9rem;
  color: var(--ebony-muted);
}

/* the keys: as many white keys as fit the screen (home.js), at real piano proportions */
.home-play .piano {
  min-width: 0;
  max-width: none;
  aspect-ratio: var(--whites, 10) / 5.4;
}

/* keys held down: a felt tint on the white keys, the felt itself on the black ones */
.home-play .pkey.white.is-selected {
  background: var(--key-lit);
  color: var(--key-ink);
}

.home-play .pkey.black.is-selected {
  background: var(--accent);
}

/* Two ways in, side by side on wider screens: looking things up, and playing and practising */
.home-ways {
  display: grid;
  gap: 14px;
  padding: 40px var(--pad) 48px;
}

.way {
  position: relative;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.way h2 {
  margin: 0 0 6px;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.way p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--muted);
}

.way-links a::after {
  content: " \203A";
}

.way-links {
  margin-top: 18px;
  border-top: 1px solid var(--line);
}

.way-links a {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 12px;
  align-items: center;
  padding: 12px 6px;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  transition: background-color 0.2s var(--ease);
}

.way-links a::after {
  grid-column: 3;
  grid-row: 1 / span 2;
  font-size: 1.2rem;
  color: var(--muted);
}

.way-icon {
  grid-row: 1 / span 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-alt);
}

.way-links strong {
  font-size: 0.98rem;
}

.way-links span:not(.way-icon) {
  font-size: 0.84rem;
  color: var(--muted);
}

/* Pick a key: the circle of fifths (wide screens), or a row of keys (phones) */
.home-keys {
  display: grid;
  gap: 28px;
  padding: 8px var(--pad) 56px;
}

.home-keys h2 {
  margin: 0 0 10px;
  font-size: clamp(1.7rem, 6vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.home-keys-text > p {
  max-width: 42ch;
  margin: 0 0 14px;
  line-height: 1.6;
  color: var(--muted);
}

.home-keys-circle {
  display: none;
}

.home-badges {
  margin-top: 24px;
}

.home-badges ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.home-badges-label {
  margin: 0 0 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.home-badges ul + .home-badges-label {
  margin-top: 18px;
}

/* My piano: a band of ebony with a level meter, as on the practice page */
.home-listen {
  padding: 0 var(--pad) 64px;
}

.home-listen-card {
  display: grid;
  gap: 32px;
  padding: 32px 24px;
  border-radius: 24px;
  background: var(--case-mid);
  box-shadow: 0 0 0 1px var(--case-edge);
  color: var(--ebony-text);
}

.home-listen h2 {
  max-width: 18ch;
  margin: 10px 0 12px;
  font-size: clamp(1.6rem, 6vw, 2.3rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.home-listen p:not(.eyebrow) {
  max-width: 46ch;
  margin: 0 0 24px;
  line-height: 1.6;
  color: var(--ebony-muted);
}

.btn-light {
  background: var(--ebony-text);
  color: var(--ebony);
}

.btn-light:focus-visible {
  outline-color: var(--ebony-text);
}

.home-meter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 120px;
}

.home-meter span {
  flex: 1;
  max-width: 7px;
  height: 100%;
  border-radius: 4px;
  background: var(--brass);
  transform: scaleY(var(--h));
  animation: home-meter 3.2s ease-in-out infinite;
  animation-delay: var(--d);
}

@keyframes home-meter {
  50% {
    transform: scaleY(calc(var(--h) * 0.45));
  }
}

@media (prefers-reduced-motion: reduce) {
  .home-meter span {
    animation: none;
  }
}

@media (hover: hover) {
  .way-links a:hover {
    background: var(--bg-alt);
  }

  .btn-light:hover {
    background: #fff;
    transform: translateY(-1px);
  }
}

/* Wider phones and tablets: the circle instead of the rows of keys */
@media (min-width: 640px) {
  .home-keys {
    grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
    align-items: center;
    gap: 40px;
  }

  .home-keys-circle {
    display: block;
  }

  .home-badges {
    display: none;
  }
}

/* Tablet */
@media (min-width: 768px) {
  .home-hero {
    padding: 56px var(--pad) 48px;
  }

  .home-ctas .btn {
    flex: none;
  }

  .home-play {
    padding: 26px 24px 18px;
  }

  .home-ways {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    padding: 56px var(--pad) 64px;
  }

  .way {
    padding: 28px;
  }

  .home-listen-card {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: center;
    padding: 48px;
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .home-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    align-items: center;
    gap: 64px;
    padding: 80px var(--gutter) 64px;
  }

  .home-ways {
    gap: 20px;
    padding: 64px var(--gutter) 80px;
  }

  .way {
    padding: 32px;
  }

  .home-keys {
    grid-template-columns: minmax(0, 460px) minmax(0, 1fr);
    gap: 72px;
    padding: 0 var(--gutter) 88px;
  }

  .home-listen {
    padding: 0 var(--gutter) 88px;
  }

  .home-listen-card {
    padding: 56px 64px;
  }
}