/* about.css - About section: bento grid and the learning board. */

.bento {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 1.1rem;
}

.bx {
  position: relative;
  overflow: hidden;
  padding: 1.75rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--glass);
}

.bx h3 {
  margin: 0 0 .6rem;
  font-weight: 500;
  font-size: 1.35rem;
  line-height: 1.25;
}

.bx p {
  margin: 0;
  color: var(--mute);
}

.big {
  grid-column: span 2;
  grid-row: span 2;
  background: linear-gradient(160deg,var(--p1),var(--p2));
}

.big h3 {
  font-size: clamp(1.5rem,2.6vw,2.1rem);
  letter-spacing: -.02em;
}

.big p+p {
  margin-top: 1rem;
}

.st b {
  display: block;
  font-weight: 400;
  font-size: 3rem;
  letter-spacing: -.03em;
  line-height: 1.1;
  color: var(--at);
}

.st span {
  color: var(--mute);
  font-size: .9rem;
}

.att {
  grid-column: span 2;
}

.board {
  grid-column: 1/-1;
}

.cols {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1rem;
  margin-top: 1.25rem;
}

.col h4 {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: 0 0 .75rem;
  font-weight: 500;
  font-size: .95rem;
}

.col h4 .n {
  padding: .05rem .55rem;
  border-radius: 999px;
  background: var(--navon);
  font-size: .8rem;
}

.col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.kc {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--mini);
}

.kc .tg {
  display: inline-block;
  padding: .1rem .6rem;
  border-radius: 8px;
  background: var(--navon);
  color: var(--at);
  font-size: .78rem;
  font-weight: 500;
}

.kc strong {
  display: block;
  margin: .5rem 0 .25rem;
  font-weight: 500;
}

.pr {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .8rem;
  color: var(--mute);
}

.bar {
  flex: 1;
  height: .45rem;
  border-radius: 99px;
  background: var(--line);
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg,#5cc49b,#4cb8a6);
}

.dn {
  font-size: .8rem;
  color: var(--ok);
}