/* Resources (resources/): tools and learning material for playing, beside the products. The
   shared look is in ../hojt.css; this adds the shelf of resources and what every tool on it
   shares: its header, its controls and the three colours a chord is drawn in. */

:root {
  --paint: var(--paint-teal);
  /* A chord's notes: the root in the orange of the Ø, a chord tone in silk blue, an
     extension or altered note in teal. Dark print sits on all three */
  --root: var(--brand-orange);
  --tone: #8ea6e6;
  --color: #3fb3a8;
  --on-dot: #121110;
}

/* The shelf */

.shelf-head {
  padding-block: 64px 0;
}
.shelf-head .say {
  max-width: 40em;
  margin: 22px 0 0;
  font-size: 19px;
}
.shelf {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 22px;
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
}
.shelf li {
  display: flex;
}
.shelf a {
  display: flex;
  flex-direction: column;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: var(--panel);
  color: var(--silk);
  text-decoration: none;
  box-shadow: 0 22px 40px -24px rgba(0, 0, 0, 0.9);
  transition: transform 0.3s var(--ease-out);
}
.shelf a:hover {
  transform: translateY(-4px);
  color: var(--silk);
}
.shelf .art {
  display: block;
  padding: 22px 22px 18px;
  background: var(--paint);
}
.shelf .art svg {
  display: block;
  width: 100%;
  height: 92px;
}
.shelf .text {
  padding: 18px 22px 24px;
}
.shelf h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: 34px;
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.shelf p {
  margin: 10px 0 0;
}
.shelf .tape {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
}
.shelf .guitar {
  --paint: var(--paint-teal);
}
.shelf .piano {
  --paint: var(--paint-scarlet);
}

/* A tool's page: its name and controls stay on top while its cards scroll under them */

.tool-top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bench);
  border-bottom: 1px solid var(--line);
}
/* minmax(0, 1fr): a row of controls wider than a phone scrolls in itself, not the page */
.tool-top .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding-block: 14px 12px;
}
.tool-top .titlerow {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
}
.tool-top h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: 40px;
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tool-top h1 small {
  margin-left: 10px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--silk-dim);
}
.crumb {
  margin: 0;
  font-family: var(--display);
  font-size: 18px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
}
.crumb a {
  color: var(--silk-dim);
  text-decoration: none;
}
.crumb a:hover {
  color: var(--silk);
}
/* On a phone the controls would cover half the screen: there they scroll away */
@media (max-height: 620px), (max-width: 640px) {
  .tool-top {
    position: static;
  }
}
@media (max-width: 640px) {
  .tool-top h1 {
    font-size: 32px;
  }
}

/* Under a tool: a word on what it is */

.about {
  max-width: 44em;
  margin-top: 48px;
  color: var(--silk-dim);
  font-size: 15px;
}