/* ──────────────────────── Hero + shell styles ──────────────────────── */

:root {
  --accent-purple: #534AB7;
  --accent-green: #3a8a5c;
  --hero-bg: #faf8f3;
  --hero-ink: #1a1a1a;
  --hero-ink-soft: #4a4a4a;
  --hero-ink-faint: #8a8a8a;
}

html { scroll-behavior: smooth; }

body {
  /* App container widens; hero manages its own spacing */
  max-width: none;
  margin: 0;
  padding: 0;
  background: var(--color-background-primary);
}

/* ───── Hero ───── */
.hero {
  min-height: 100vh;
  background: var(--hero-bg);
  background-image:
    radial-gradient(circle at 15% 20%, rgba(83, 74, 183, 0.06) 0, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(58, 138, 92, 0.05) 0, transparent 45%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem 2rem;
  position: relative;
  overflow: hidden;
  border-bottom: 0.5px solid var(--color-border-tertiary);
}

.hero-inner {
  max-width: 720px;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--hero-ink-soft);
  font-weight: 500;
  padding: 5px 12px 5px 10px;
  border: 0.5px solid var(--color-border-secondary);
  border-radius: 100px;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(4px);
  margin-bottom: 2rem;
}

.hero-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(83,74,183,0.15);
  animation: heroPulse 2s ease-in-out infinite;
}

@keyframes heroPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(83,74,183,0.15); }
  50% { box-shadow: 0 0 0 6px rgba(83,74,183,0.05); }
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.02;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--hero-ink);
  margin-bottom: 1.25rem;
  text-wrap: balance;
}

.hero-accent {
  color: var(--accent-purple);
  font-style: italic;
  position: relative;
  display: inline-block;
}

.hero-accent::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0.06em;
  height: 0.18em;
  background: linear-gradient(90deg, rgba(83,74,183,0.2), rgba(83,74,183,0.35), rgba(83,74,183,0.2));
  border-radius: 4px;
  z-index: -1;
}

.hero-lede {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  line-height: 1.55;
  color: var(--hero-ink-soft);
  max-width: 560px;
  margin-bottom: 2rem;
  text-wrap: pretty;
}

.hero-lede strong {
  color: var(--hero-ink);
  font-weight: 600;
}

/* ───── Music/AA analogy card ───── */
.hero-analogy {
  background: #fff;
  border: 0.5px solid var(--color-border-secondary);
  border-radius: 14px;
  padding: 1.25rem 1.5rem 1.4rem;
  margin-bottom: 2rem;
  box-shadow: 0 1px 0 rgba(0,0,0,0.02), 0 4px 16px rgba(0,0,0,0.03);
  max-width: 560px;
}

.hero-analogy-row {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: var(--hero-ink-soft);
  padding: 6px 0;
}

.hero-analogy-row + .hero-analogy-row {
  border-top: 0.5px dashed var(--color-border-tertiary);
}

.hero-analogy-label {
  width: 80px;
  font-weight: 500;
  color: var(--hero-ink-faint);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-notes, .hero-aas {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.hero-notes span {
  font-size: 20px;
  color: var(--hero-ink-soft);
  font-family: serif;
}

.hero-aas span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px; height: 24px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
}

.hero-notes em, .hero-aas em {
  font-style: normal;
  font-size: 12px;
  color: var(--hero-ink-faint);
  margin-left: 6px;
}

.hero-arrow {
  text-align: center;
  font-size: 16px;
  color: var(--hero-ink-faint);
  margin: 6px 0 4px;
}

.hero-analogy-punch {
  font-size: 15px;
  line-height: 1.5;
  color: var(--hero-ink);
  text-align: center;
  margin: 0;
  font-weight: 500;
  text-wrap: balance;
}

.hero-analogy-punch em {
  color: var(--accent-purple);
  font-style: italic;
  font-weight: 600;
}

.hero-sub {
  font-size: 14px;
  line-height: 1.55;
  color: var(--hero-ink-soft);
  max-width: 560px;
  margin-bottom: 2rem;
  text-wrap: pretty;
}

.hero-sub em {
  color: var(--accent-purple);
  font-style: italic;
  font-weight: 500;
}

/* ───── CTAs ───── */
.hero-cta-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  font-family: var(--font-sans);
  border: 1px solid var(--hero-ink);
  background: var(--hero-ink);
  color: #fff;
  box-shadow: 0 2px 0 rgba(0,0,0,0.1);
}

.hero-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.hero-cta-arrow {
  display: inline-block;
  transition: transform 0.2s;
}

.hero-cta:hover .hero-cta-arrow {
  transform: translateY(2px);
}

.hero-cta-alt {
  background: transparent;
  color: var(--hero-ink);
  border-color: var(--color-border-secondary);
  box-shadow: none;
}

.hero-cta-alt:hover {
  background: #fff;
  border-color: var(--hero-ink);
}

/* Scroll hint at bottom */
.hero-scroll-hint {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--hero-ink-faint);
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.15s;
}

.hero-scroll-hint:hover { opacity: 1; }

.hero-scroll-chevron {
  width: 12px; height: 12px;
  border-right: 1.5px solid var(--hero-ink-faint);
  border-bottom: 1.5px solid var(--hero-ink-faint);
  transform: rotate(45deg);
  animation: heroBob 1.8s ease-in-out infinite;
}

@keyframes heroBob {
  0%, 100% { transform: rotate(45deg) translate(0,0); }
  50% { transform: rotate(45deg) translate(3px,3px); }
}

/* ───── App wrapper ───── */
.app-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
  scroll-margin-top: 0;
}

/* ───── Mode tabs ───── */
.mode-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 1rem;
  border-bottom: 0.5px solid var(--color-border-tertiary);
  padding-bottom: 0;
}

.mode-tab {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px 16px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -0.5px;
  font-family: var(--font-sans);
  color: var(--hero-ink-faint);
  text-align: left;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  border-radius: 8px 8px 0 0;
}

.mode-tab:hover {
  background: rgba(0,0,0,0.025);
  color: var(--hero-ink-soft);
}

.mode-tab.active {
  color: var(--hero-ink);
  border-bottom-color: var(--hero-ink);
}

.mode-tab#tabCompose.active {
  border-bottom-color: var(--accent-purple);
  color: var(--accent-purple);
}

.mode-tab-icon {
  font-size: 20px;
  line-height: 1;
}

.mode-tab-label { display: flex; flex-direction: column; gap: 1px; line-height: 1.2; }

.mode-tab-title { font-size: 14px; font-weight: 600; }

.mode-tab-sub {
  font-size: 11px;
  font-weight: 400;
  color: var(--hero-ink-faint);
  opacity: 0.9;
}

.mode-tab.active .mode-tab-sub { opacity: 1; }

/* ───── Mode help strip ───── */
.mode-help {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 8px 12px;
  margin-bottom: 1rem;
  background: #f7f5ee;
  border-radius: 8px;
  font-size: 12px;
  color: var(--hero-ink-soft);
}

body.compose-mode .mode-help {
  background: #f0eeff;
  color: #3e3590;
}

.mode-help-step { display: inline-flex; align-items: center; gap: 6px; }
.mode-help-step b { font-weight: 700; }
.mode-help-sep { color: var(--hero-ink-faint); }
.mode-help kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 1px 6px;
  border: 0.5px solid var(--color-border-secondary);
  border-radius: 4px;
  background: #fff;
  color: var(--hero-ink);
}

/* ───── Panel labels ───── */
.panel-label {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--hero-ink-faint);
  font-weight: 600;
  margin-bottom: 8px;
}

/* ───── Listen-mode pickers ───── */
.listen-pickers {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
  padding: 10px 12px;
  background: #faf8f3;
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: 10px;
  margin-bottom: 10px;
}

.listen-pickers .examples-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--hero-ink-faint);
}

.seq-input-hint {
  font-size: 11px;
  color: var(--hero-ink-faint);
  white-space: nowrap;
}

body.compose-mode .listen-pickers,
body.compose-mode #seqInputRow,
body.compose-mode .seq-mel-wrap,
body.compose-mode #bindingCaption {
  display: none !important;
}

/* ───── Compose empty state (first-run) ───── */
.compose-empty {
  background: #f6f3ff;
  border: 1px dashed #c8c1e8;
  border-radius: 10px;
  padding: 14px 18px;
  margin: 6px 0 10px;
}

.compose-empty-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-purple);
  margin-bottom: 8px;
}

.compose-empty-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.compose-empty-step {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--hero-ink-soft);
}

.compose-empty-step b { color: var(--hero-ink); font-weight: 600; }

.compose-empty-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent-purple);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.compose-empty kbd {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 1px 5px;
  border: 0.5px solid #c8c1e8;
  border-radius: 3px;
  background: #fff;
  color: var(--accent-purple);
}

/* hide in listen mode */
body:not(.compose-mode) .compose-empty,
body.compose-mode.has-compose-seq .compose-empty {
  display: none !important;
}

/* body class triggers are set in shell.js */

/* ───── Tighten the existing pmp grid so listen mode reads cleanly ───── */
.pmp { margin-top: 0; padding-top: 0; }

/* Raise the prominence of the main play button in listen mode */
.controls .play-btn {
  box-shadow: 0 2px 0 rgba(58,138,92,0.25);
  padding: 8px 22px;
}

/* ───── Mobile ───── */
@media (max-width: 720px) {
  .hero {
    min-height: auto;
    padding: 2.5rem 1.25rem 5rem;
  }
  .hero-title { font-size: 2.2rem; line-height: 1.05; }
  .hero-lede { font-size: 1rem; }
  .hero-analogy { padding: 1rem 1.1rem; }
  .hero-analogy-row { flex-direction: column; align-items: flex-start; gap: 6px; }
  .hero-analogy-label { width: auto; }
  .hero-cta-row { flex-direction: column; align-items: stretch; }
  .hero-cta { justify-content: center; }
  .hero-scroll-hint { bottom: 14px; }

  .mode-tabs { gap: 0; }
  .mode-tab { flex: 1; padding: 10px 8px 12px; gap: 6px; }
  .mode-tab-sub { display: none; }

  .mode-help { font-size: 11px; }

  .app-wrap { padding: 1rem 0.5rem 3rem; }
}