:root {
  --hero:    #5c4a30;
  --hero-dk: #3e3020;
  --parch:   #f0e8d8;
  --parch-dk:#e4d9c4;
  --sage:    #6b8c5e;
  --sage-lt: #b8ccac;
  --amber:   #c8923a;
  --amber-lt:#e8c078;
  --river:   #7aacaa;
  --ink:     #2c2416;
  --ink-md:  #5a4e3a;
  --ink-lt:  #8a7e6a;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--parch);
  color: var(--ink);
  font-family: 'Cormorant Garamond', Georgia, serif;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 3rem;
  background: rgba(240,232,216,0.93);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}

nav.scrolled { border-bottom-color: var(--sage-lt); }

nav .back-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sage);
  text-decoration: none;
  transition: gap 0.2s;
}
nav .back-link:hover { gap: 0.85rem; }
nav .back-link svg { width: 12px; height: 12px; }

nav .route-id {
  font-family: 'Space Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  color: var(--ink-lt);
  text-transform: uppercase;
}

nav .stop-nav { display: flex; gap: 3px; }

nav .stop-nav a {
  width: 27px; height: 27px;
  border: 1px solid var(--sage-lt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Mono', monospace;
  font-size: 0.52rem;
  color: var(--ink-lt);
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

nav .stop-nav a.active {
  background: var(--hero);
  color: var(--parch);
  border-color: var(--hero);
}

nav .stop-nav a:hover:not(.active) {
  background: var(--sage-lt);
  color: var(--ink);
  border-color: var(--sage-lt);
}

/* ── HERO ── */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  background: var(--hero);
}

.scene-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-content {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 9rem 5rem 4rem;
  position: relative;
  z-index: 2;
  gap: 5rem;
}

.hero-left .stop-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--amber-lt);
  margin-bottom: 1.8rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.2s forwards;
}
.hero-left .stop-label::before {
  content: '';
  display: block;
  width: 24px; height: 1px;
  background: var(--amber-lt);
}

.hero-left .poem-title {
  font-size: clamp(3.5rem, 8vw, 8rem);
  font-weight: 300;
  font-style: italic;
  line-height: 0.95;
  color: var(--parch);
  letter-spacing: -0.01em;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.35s forwards;
}

.hero-left .poem-author {
  margin-top: 1.8rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  color: rgba(240,232,216,0.55);
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.55s forwards;
}

.hero-right {
  opacity: 0;
  animation: fadeUp 0.7s ease 0.75s forwards;
}

.hero-right .poem-text {
  font-size: clamp(1.3rem, 2.2vw, 1.9rem);
  font-style: italic;
  font-weight: 300;
  line-height: 1.9;
  color: rgba(240,232,216,0.85);
  padding-left: 2rem;
  border-left: 1px solid var(--amber);
}

.hero-right .poem-text .line { display: block; overflow: hidden; }
.hero-right .poem-text .line span {
  display: block;
  animation: slideIn 0.7s cubic-bezier(.16,1,.3,1) both;
}
.hero-right .poem-text .line:nth-child(1) span { animation-delay: 0.9s; }
.hero-right .poem-text .line:nth-child(2) span { animation-delay: 1.05s; }
.hero-right .poem-text .line:nth-child(3) span { animation-delay: 1.2s; }

/* ── HERO STRIP ── */
.hero-strip {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(240,232,216,0.15);
  background: var(--hero-dk);
}

.hero-strip-item {
  padding: 1.2rem 2rem;
  border-right: 1px solid rgba(240,232,216,0.08);
}
.hero-strip-item:last-child { border-right: none; }

.hero-strip-item .label {
  font-family: 'Space Mono', monospace;
  font-size: 0.52rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(200,146,58,0.7);
  margin-bottom: 0.3rem;
}

.hero-strip-item .value {
  font-size: 0.95rem;
  color: rgba(240,232,216,0.85);
}

/* ── POEM SECTION ── */
.poem-section {
  display: grid;
  grid-template-columns: 5fr 7fr;
}

.poem-sidebar {
  background: var(--sage);
  padding: 5rem 3rem;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
}

.poem-sidebar .sidebar-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.52rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--amber-lt);
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.poem-sidebar .sidebar-label::before {
  content: '';
  display: block;
  width: 16px; height: 1px;
  background: var(--amber-lt);
}

.poem-sidebar .full-poem {
  font-size: 1.25rem;
  font-style: italic;
  font-weight: 300;
  line-height: 2;
  color: var(--parch);
}

.poem-sidebar .stanza { margin-bottom: 1.8rem; }

.poem-sidebar .stanza-title {
  font-style: normal;
  font-family: 'Space Mono', monospace;
  font-size: 0.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber-lt);
  margin-bottom: 0.4rem;
  display: block;
}

.poem-sidebar .attribution {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(240,232,216,0.2);
  font-family: 'Space Mono', monospace;
  font-size: 0.52rem;
  letter-spacing: 0.1em;
  color: rgba(240,232,216,0.6);
  line-height: 1.9;
}

/* ── MAIN ── */
.poem-main {
  padding: 5rem 5rem 5rem 4rem;
  background: var(--parch);
}

/* ── SHARED REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── SECTION LABEL ── */
.section-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.52rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-lt);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--sage-lt);
}

/* ── CONTEXT ── */
.context-block { margin-bottom: 4rem; }

.context-block h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.5rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.2;
  margin-bottom: 1.2rem;
  color: var(--hero);
}

.context-block p {
  font-size: 1.1rem;
  line-height: 1.85;
  color: var(--ink-md);
  max-width: 58ch;
  margin-bottom: 0.9rem;
}

/* ── MEANING GRID ── */
.meaning-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--sage-lt);
  margin: 3rem 0;
}

.meaning-cell {
  background: var(--parch);
  padding: 2rem;
}

.meaning-cell .verse {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--hero);
  margin-bottom: 0.8rem;
  line-height: 1.6;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--sage-lt);
}

.meaning-cell .interpretation {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--ink-md);
}

/* ── POET CARD ── */
.poet-card {
  background: var(--parch-dk);
  border-left: 3px solid var(--amber);
  padding: 2.5rem;
  margin: 3rem 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
}

.poet-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--sage-lt);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}
.poet-avatar svg { width: 44px; height: 44px; }

.poet-info .poet-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.52rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.4rem;
}

.poet-info h3 {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--ink);
  margin-bottom: 0.2rem;
}

.poet-info .poet-dates {
  font-family: 'Space Mono', monospace;
  font-size: 0.55rem;
  color: var(--ink-lt);
  letter-spacing: 0.1em;
  margin-bottom: 0.9rem;
}

.poet-info p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-md);
}

/* ── AUDIO ── */
.audio-section {
  background: var(--parch-dk);
  padding: 1.8rem 2rem;
  margin: 3rem 0;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.play-btn {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--hero);
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, background 0.2s;
}
.play-btn:hover { transform: scale(1.08); background: var(--amber); }
.play-btn svg { width: 16px; height: 16px; fill: var(--parch); margin-left: 2px; }

.audio-info .audio-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.52rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-lt);
  margin-bottom: 0.2rem;
}

.audio-info h4 {
  font-size: 1rem;
  font-weight: 300;
  color: var(--ink);
  margin-bottom: 0.2rem;
}

.audio-info p { font-size: 0.82rem; color: var(--ink-lt); }

.waveform {
  flex: 1;
  height: 28px;
  display: flex;
  align-items: center;
  gap: 2px;
}
.waveform .bar {
  flex: 1;
  background: var(--sage-lt);
  border-radius: 1px;
}

/* ── LOCATION ── */
.location-panel {
  background: var(--parch-dk);
  padding: 2.5rem;
  margin: 3rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.location-panel .loc-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.52rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-lt);
  margin-bottom: 0.8rem;
}

.location-panel h3 {
  font-size: 1.4rem;
  font-weight: 300;
  font-style: italic;
  color: var(--ink);
  margin-bottom: 0.7rem;
}

.location-panel p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--ink-md);
  margin-bottom: 0.5rem;
}

.coords {
  font-family: 'Space Mono', monospace;
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  color: var(--ink-lt);
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--sage-lt);
}

.mini-map {
  width: 100%;
  height: 180px;
  background: #d8ccb4;
  border-radius: 2px;
}

/* ── POEM NAV ── */
.poem-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--sage-lt);
  background: var(--parch);
}

.poem-nav-item {
  padding: 2.5rem 3.5rem;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: background 0.25s;
}
.poem-nav-item:hover { background: var(--parch-dk); }

.poem-nav-item.next {
  border-left: 1px solid var(--sage-lt);
  align-items: flex-end;
  text-align: right;
}

.nav-dir {
  font-family: 'Space Mono', monospace;
  font-size: 0.52rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-lt);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.poem-nav-item.next .nav-dir { flex-direction: row-reverse; }

.nav-stop {
  font-family: 'Space Mono', monospace;
  font-size: 0.55rem;
  color: var(--amber);
  letter-spacing: 0.1em;
}

.nav-title {
  font-size: 1.5rem;
  font-weight: 300;
  font-style: italic;
  color: var(--ink);
}

.nav-loc { font-size: 0.88rem; color: var(--ink-lt); }

/* ── FOOTER ── */
footer {
  background: var(--hero-dk);
  padding: 1.8rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer .ft-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem;
  font-style: italic;
  color: rgba(240,232,216,0.85);
}

footer .ft-copy {
  font-family: 'Space Mono', monospace;
  font-size: 0.5rem;
  color: rgba(240,232,216,0.3);
  letter-spacing: 0.1em;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideIn {
  from { transform: translateY(105%); }
  to   { transform: translateY(0); }
}
@keyframes sway {
  0%, 100% { transform: rotate(-1.8deg); }
  50%       { transform: rotate(1.8deg); }
}

.sway  { animation: sway 7s ease-in-out infinite; transform-origin: bottom center; }
.sway2 { animation: sway 9s ease-in-out 1.5s infinite; transform-origin: bottom center; }
.sway3 { animation: sway 6s ease-in-out 0.8s infinite; transform-origin: bottom center; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  nav .stop-nav { display: none; }

  .hero-content { grid-template-columns: 1fr; padding: 7rem 1.5rem 2rem; gap: 2rem; }
  .hero-strip { grid-template-columns: 1fr 1fr; }
  .hero-strip-item { padding: 1rem 1.2rem; }
  .hero-strip-item .value { font-size: 0.88rem; }

  .poem-section { display: block; }
  .poem-sidebar {
    position: static !important;
    height: auto !important;
    overflow: visible;
    padding: 2.5rem 1.5rem;
  }
  .poem-main { padding: 2rem 1.5rem 3rem; }

  .meaning-grid { grid-template-columns: 1fr; }
  .poet-card { grid-template-columns: 1fr; padding: 1.8rem; margin: 2rem 0; gap: 1.2rem; }
  .location-panel { grid-template-columns: 1fr; padding: 1.8rem; margin: 2rem 0; }
  .audio-section { flex-wrap: wrap; padding: 1.5rem; margin: 2rem 0; }
  .waveform { display: none; }

  .poem-nav {
    display: flex;
    flex-direction: column;
    position: static;
  }
  .poem-nav-item { padding: 1.8rem 1.5rem; }
  .poem-nav-item.next {
    border-left: none;
    border-top: 1px solid var(--sage-lt);
    align-items: flex-start;
    text-align: left;
  }
  .poem-nav-item.next .nav-dir { flex-direction: row; }

  footer { flex-direction: column; gap: 0.8rem; padding: 1.8rem; text-align: center; }
}