@import url("https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@300;400&family=Cormorant+Garamond:wght@300&display=swap");

:root {
  --ink: #171513;
  --muted: #77736c;
  --line: #efefeb;
  --paper: #fff;
  --gutter: clamp(24px, 7vw, 108px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Barlow Condensed", "Arial Narrow", "Aptos Narrow", "Helvetica Neue", Arial, sans-serif;
}
a { color: inherit; }
.top {
  min-height: 92px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  padding: 26px var(--gutter);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.brand {
  color: var(--ink);
  font-size: clamp(30px, 3vw, 46px);
  font-weight: 300;
  letter-spacing: -0.02em;
  text-transform: none;
  text-decoration: none;
}
.top nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.top nav a,
.lessons a,
.foot a,
.inline-link {
  color: inherit;
  text-decoration: none;
}
.top nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-size: 12px;
}
.lessons a,
.foot a,
.inline-link {
  font-size: 15px;
}
.top nav a[aria-current="page"] { border-bottom: 1px solid currentColor; }
main { padding: 0 var(--gutter); }
.room {
  min-height: calc(100vh - 90px);
  display: grid;
  grid-template-rows: 1fr auto;
  padding: clamp(52px, 8vw, 112px) 0 clamp(68px, 10vw, 140px);
}
.mark {
  align-self: center;
  justify-self: center;
  width: min(360px, 58vw);
  margin: 0;
  opacity: 0.68;
}
.mark img { display: block; width: 100%; height: auto; }
h1 {
  justify-self: center;
  margin: clamp(22px, 4vw, 44px) 0 0;
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 300;
  letter-spacing: 0.34em;
  text-transform: uppercase;
}
.lessons,
.sheet {
  max-width: 920px;
  margin: 0 auto;
  padding: clamp(74px, 12vw, 170px) 0 clamp(88px, 14vw, 190px);
  border-top: 1px solid var(--line);
}
.lessons a {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 24px;
  min-height: 66px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.lessons span,
.kicker,
.sheet h2 {
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
}
.lesson-title {
  max-width: 920px;
  min-height: 38vh;
  display: grid;
  align-content: center;
  margin: 0 auto;
  padding: clamp(54px, 9vw, 112px) 0;
}
.lesson-title h1 {
  justify-self: start;
  max-width: 760px;
  letter-spacing: 0;
  text-transform: none;
  font-size: clamp(34px, 5.4vw, 64px);
  font-weight: 300;
}
.kicker { margin: 0 0 20px; }
.sheet {
  display: grid;
  gap: clamp(44px, 7vw, 92px);
}
.block {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: clamp(24px, 5vw, 74px);
  align-items: start;
}
.block h2 { margin: 0; }
.block p,
.block li {
  margin: 0;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.58;
}
.block ul {
  margin: 0;
  padding-left: 1.1em;
}
.quiet-note {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.quiet-note summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 13px;
  list-style: none;
}
.quiet-note summary::-webkit-details-marker { display: none; }
.quiet-note summary::after {
  content: " +";
  color: var(--muted);
}
.quiet-note[open] summary::after { content: " -"; }
.quiet-note p {
  max-width: 680px;
  margin: 18px 0 0;
  color: var(--ink);
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.58;
}
.note-table {
  width: 100%;
  border-collapse: collapse;
  font-size: clamp(17px, 2vw, 22px);
}
.note-table th,
.note-table td {
  min-height: 52px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.next {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  padding-top: 34px;
}
.next a { text-decoration: none; }
.foot {
  min-height: 100px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px var(--gutter);
  border-top: 1px solid var(--line);
  color: var(--muted);
}
@media (max-width: 700px) {
  .top,
  .foot,
  .next { align-items: flex-start; flex-direction: column; }
  h1 { letter-spacing: 0.24em; }
  .lessons a,
  .block { grid-template-columns: 1fr; gap: 6px; }
  .lessons a { padding: 16px 0; }
}