:root {
  --paper: #f3ede0;
  --panel: #faf6ec;
  --cream: #fffbf3;
  --ink: #1a1714;
  --rule: #8a8072;
  --staff: #2c2823;
  --viola: #6b4a67;
  --viola-wash: #d9c8d5;
  --brass: #b08948;
  --shadow: 0 18px 40px rgba(26, 23, 20, 0.12);
  --serif: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --sans: "Source Sans 3", "IBM Plex Sans", "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
html { background: var(--paper); }
body {
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(217, 200, 213, 0.35), transparent 60%),
    repeating-linear-gradient(0deg, transparent, transparent 27px, rgba(138, 128, 114, 0.05) 28px),
    var(--paper);
}
img { max-width: 100%; display: block; }
button, input, select { font: inherit; color: inherit; }
a { color: var(--viola); }
:focus-visible { outline: 2px solid var(--viola); outline-offset: 3px; }

html.intro-pending,
html.intro-pending body { overflow: hidden; }
html.intro-pending .site { visibility: hidden; }
html.intro-pending .intro[hidden] { display: flex !important; }

.intro {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  padding: 20px 28px 28px;
}
.intro[hidden] { display: none; }
.intro-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--rule);
}
.intro-bar button {
  background: none;
  border: 0;
  border-bottom: 1px solid var(--rule);
  padding: 0 0 2px;
  cursor: pointer;
}
.intro-stage {
  flex: 1;
  display: grid;
  place-items: center;
  gap: 28px;
}
.intro-svg { width: min(720px, 92vw); height: auto; filter: drop-shadow(var(--shadow)); }
.intro-paper { fill: var(--cream); stroke: var(--rule); }
.intro-lines path, .intro-clef, .intro-clef-bowl {
  stroke-dasharray: 320;
  stroke-dashoffset: 320;
}
.intro.is-drawing .intro-lines path { animation: draw 1.1s ease forwards; }
.intro.is-drawing .line-2 { animation-delay: 0.12s; }
.intro.is-drawing .line-3 { animation-delay: 0.24s; }
.intro.is-drawing .line-4 { animation-delay: 0.36s; }
.intro.is-drawing .line-5 { animation-delay: 0.48s; }
.intro.is-clef .intro-clef, .intro.is-clef .intro-clef-bowl { animation: draw 0.9s ease forwards; }
.intro-rest { opacity: 0; transform: translateY(-28px); }
.intro.is-drop .intro-rest { animation: drop 0.7s cubic-bezier(.2,.8,.2,1) forwards; }
.intro-type { text-align: center; opacity: 0; transform: translateY(10px); }
.intro.is-brand .intro-type { animation: rise 0.7s ease forwards; }
.intro-kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--viola);
}
.intro-type h1 {
  margin: 6px 0 8px;
  font-family: var(--serif);
  font-size: clamp(42px, 7vw, 72px);
  font-weight: 600;
  letter-spacing: -0.03em;
}
.intro-line { margin: 0; color: #4a433c; }
.intro-caption {
  margin: 0;
  text-align: center;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--rule);
}
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes drop { to { opacity: 1; transform: none; } }
@keyframes rise { to { opacity: 1; transform: none; } }

.site { min-height: 100vh; }
.nav {
  position: sticky;
  top: 14px;
  z-index: 20;
  margin: 14px auto 0;
  width: min(1180px, calc(100% - 28px));
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 14px 10px 12px;
  background: rgba(26, 23, 20, 0.92);
  color: var(--cream);
  border-radius: 999px;
  box-shadow: var(--shadow);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: inherit;
  text-decoration: none;
  font-family: var(--serif);
  font-size: 18px;
}
.nav-brand img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--paper);
}
.nav nav { display: flex; gap: 18px; margin-left: 8px; }
.nav nav a {
  color: #efe6d6;
  text-decoration: none;
  font-size: 14px;
}
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.text-btn {
  background: none;
  border: 0;
  color: #d9c8d5;
  cursor: pointer;
  font-size: 13px;
}
.nav-cta {
  background: var(--viola);
  color: var(--cream);
  text-decoration: none;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
}

.hero { padding: 22px 14px 8px; }
.staff-frame {
  width: min(1180px, 100%);
  margin: 0 auto;
  background: var(--cream);
  border: 1px solid #d8cfc0;
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 16px 16px 18px;
  position: relative;
  overflow: hidden;
}
.staff-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, transparent, transparent 47px, rgba(176, 137, 72, 0.05) 48px);
  pointer-events: none;
}
.canvas-tag {
  position: relative;
  margin: 0 8px 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--viola);
}
.staff-stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 14px;
}
.staff-board {
  background:
    linear-gradient(180deg, rgba(255,251,243,0.4), rgba(243,237,224,0.55)),
    var(--panel);
  border: 1px solid #e3d9c8;
  border-radius: 20px;
  padding: 8px 8px 12px;
}
.staff-svg { width: 100%; height: auto; display: block; cursor: crosshair; }
.score-paper { fill: #fffaf1; stroke: #d2c7b4; }
.clef-label {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--rule);
  letter-spacing: 0.06em;
}
.hit-layer { cursor: crosshair; }
.staff-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
  padding: 4px 10px 0;
}
.tool { display: grid; gap: 4px; font-size: 13px; }
.tool span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rule);
}
.tool select {
  background: var(--cream);
  border: 1px solid #d2c7b4;
  border-radius: 999px;
  padding: 7px 12px;
}
.tool-hint { margin: 0 0 4px auto; font-size: 13px; color: #5a524a; }

.ledger-panel {
  background: var(--panel);
  border: 1px solid #d8cfc0;
  border-radius: 20px;
  padding: 18px 16px 16px;
  box-shadow: 0 8px 24px rgba(26, 23, 20, 0.06);
}
.panel-kicker, .eyebrow {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--viola);
}
.ledger-panel h2, .field-note h2, .how h2, .soon-card h2 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
}
.name-form { display: grid; gap: 8px; margin-bottom: 14px; }
.name-form[hidden] { display: none; }
.name-form input {
  border: 1px solid #cfc3b0;
  background: var(--cream);
  border-radius: 12px;
  padding: 10px 12px;
}
.form-row { display: flex; gap: 8px; }
.ink-btn, .viola-btn, .ghost-btn {
  border-radius: 999px;
  padding: 9px 14px;
  cursor: pointer;
}
.ink-btn {
  background: var(--ink);
  color: var(--cream);
  border: 0;
}
.viola-btn {
  width: 100%;
  margin-top: 12px;
  background: var(--viola);
  color: var(--cream);
  border: 0;
}
.viola-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.ghost-btn {
  background: transparent;
  border: 1px solid #cfc3b0;
}
.ledger-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  max-height: 280px;
  overflow: auto;
}
.ledger-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 8px;
  padding: 10px 10px 8px;
  border-radius: 12px;
  background: var(--cream);
  border: 1px solid #e6dccb;
  cursor: pointer;
}
.ledger-list li.active { border-color: var(--viola); background: #f4ebf2; }
.ledger-list strong { font-family: var(--serif); font-weight: 600; }
.ledger-meta {
  grid-column: 1 / -1;
  font-family: var(--mono);
  font-size: 11px;
  color: #5c534b;
}
.ledger-list button {
  background: none;
  border: 0;
  color: var(--viola);
  cursor: pointer;
  font-size: 12px;
}
.empty-ledger { margin: 8px 0 0; color: #6a6258; font-size: 14px; }
.empty-ledger[hidden] { display: none; }
.panel-note { margin: 8px 0 0; font-size: 12px; color: #6a6258; }

.field-note {
  width: min(1100px, calc(100% - 32px));
  margin: 56px auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}
.note-copy h2 { font-size: clamp(32px, 5vw, 52px); line-height: 1.08; }
.note-copy p { color: #3d3832; }
.note-plate {
  margin: 0;
  background: var(--cream);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid #ddd2c0;
}
.note-plate img { width: 100%; height: 320px; object-fit: cover; }
.note-plate figcaption {
  padding: 12px 16px 14px;
  font-size: 13px;
  color: #5c534b;
}
.note-svg { display: block; width: 100%; height: auto; background: var(--panel); }

.how {
  width: min(1100px, calc(100% - 32px));
  margin: 20px auto 72px;
}
.how h2 { font-size: 36px; }
.steps {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.steps li {
  background: var(--panel);
  border: 1px solid #ddd2c0;
  border-radius: 18px;
  padding: 16px;
}
.step-no {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--viola);
}
.steps h3 { margin: 8px 0; font-family: var(--serif); font-size: 22px; }
.steps p { margin: 0; color: #3d3832; font-size: 14px; }

.foot {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid #d8cfc0;
}
.foot strong { font-family: var(--serif); font-size: 20px; }
.foot p { margin: 6px 0 0; color: #5c534b; }
.foot-links { display: flex; gap: 16px; align-items: center; }

.soon {
  position: fixed;
  inset: 0;
  background: rgba(26, 23, 20, 0.42);
  display: grid;
  place-items: center;
  z-index: 50;
  padding: 20px;
}
.soon[hidden] { display: none; }
.soon-card {
  width: min(440px, 100%);
  background: var(--cream);
  border-radius: 22px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.mark-hit { cursor: pointer; }

@media (max-width: 880px) {
  .nav nav { display: none; }
  .staff-stage, .field-note, .steps { grid-template-columns: 1fr; }
  .tool-hint { margin-left: 0; }
  .note-plate img { height: 240px; }
  .foot { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .intro, .intro-lines path, .intro-clef, .intro-rest, .intro-type { animation: none !important; }
}