/* ---------------------------------------------------------
   Baha | Ason — Conservation Brochure
   Token system
--------------------------------------------------------- */
:root{
  --cream: #F5EEDF;
  --brick: #8B3A2F;
  --brick-deep: #6E2C23;
  --ink: #2A241D;
  --brass: #C08A3E;
  --moss: #4F5D42;
  --paper-line: rgba(42,36,29,0.12);

  --font-display: "Fraunces", "Tiro Devanagari Sanskrit", serif;
  --font-devanagari: "Tiro Devanagari Sanskrit", serif;
  --font-body: "Inter", system-ui, sans-serif;

  --max-w: 760px;
  --edge: clamp(20px, 6vw, 64px);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body{
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }

/* ---------- Progress rail ---------- */
.rail{
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 60;
}
.rail-fill{
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--brick), var(--brass));
  transition: width 0.1s linear;
}

/* ---------- Wayfinder nav ---------- */
.wayfinder{
  position: fixed;
  right: clamp(10px, 2.5vw, 28px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.wf-dot{
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 1.5px solid var(--brick);
  background: transparent;
  padding: 0;
  cursor: pointer;
  position: relative;
  transition: background 0.25s ease, transform 0.25s ease;
}
.wf-dot.active{ background: var(--brick); transform: scale(1.25); }
.wf-dot span{
  position: absolute;
  right: 20px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--cream);
  padding: 3px 8px;
  border-radius: 3px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  border: 1px solid var(--paper-line);
}
.wf-dot:hover span, .wf-dot:focus-visible span{ opacity: 1; }
.wf-dot:focus-visible{ outline: 2px solid var(--brass); outline-offset: 3px; }

@media (max-width: 640px){
  .wayfinder{ display: none; }
}

/* ---------- Page / chapter shell ---------- */
.page{
  position: relative;
  padding: 96px var(--edge) 88px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.page.alt{
  max-width: none;
  background: var(--ink);
  color: var(--cream);
}
.page.alt .chapter-num{ color: var(--brass); }
.page.alt .chapter-dek{ color: rgba(245,238,223,0.75); }
.page.alt > *{
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
}

.chapter-head{ margin-bottom: 48px; }
.chapter-num{
  display: block;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brick);
  margin-bottom: 10px;
}
.chapter-head h2{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}
.chapter-dek{
  font-size: 1.05rem;
  color: rgba(42,36,29,0.72);
  max-width: 52ch;
  margin: 0;
}

/* ---------- Cover ---------- */
.cover-page{
  min-height: 100svh;
  max-width: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--edge);
  background:
    radial-gradient(ellipse at 20% -10%, rgba(139,58,47,0.16), transparent 55%),
    radial-gradient(ellipse at 100% 110%, rgba(192,138,62,0.18), transparent 50%),
    var(--cream);
  position: relative;
  overflow: hidden;
}
.cover-frame{ max-width: 620px; }
.eyebrow{
  font-family: var(--font-devanagari), var(--font-body);
  font-size: 0.95rem;
  color: var(--brick);
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}
.cover-title{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(3.5rem, 14vw, 7rem);
  margin: 0;
  line-height: 0.95;
  letter-spacing: -0.02em;
}
.cover-title .dot{ color: var(--brick); }
.cover-sub{
  font-size: clamp(1rem, 2.4vw, 1.25rem);
  color: var(--ink);
  margin: 18px 0 8px;
  font-weight: 500;
}
.cover-strut{
  width: 96px; height: 32px;
  color: var(--brass);
  margin: 28px auto;
}
.cover-meta{
  font-size: 0.85rem;
  color: rgba(42,36,29,0.6);
  line-height: 1.5;
}
.scroll-cue{
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brick);
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob{
  0%, 100%{ transform: translate(-50%, 0); }
  50%{ transform: translate(-50%, 8px); }
}

/* ---------- Figures ---------- */
.map-figure{
  margin: 0 0 40px;
  border: 1px solid var(--paper-line);
  background: #fff;
  padding: 10px;
  border-radius: 2px;
}
.map-figure img{ width: 100%; border-radius: 1px; }
.map-figure figcaption{
  font-size: 0.85rem;
  color: rgba(42,36,29,0.62);
  padding: 12px 6px 4px;
}
.cap-note{ display: block; font-style: italic; margin-top: 4px; opacity: 0.8; }
.map-figure.secondary{ background: rgba(245,238,223,0.06); border-color: rgba(245,238,223,0.18); }
.page.alt .map-figure.secondary figcaption{ color: rgba(245,238,223,0.6); }

/* ---------- Stat strip ---------- */
.stat-strip{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--paper-line);
  border-bottom: 1px solid var(--paper-line);
}
.stat{
  padding: 22px 12px;
  text-align: center;
  border-left: 1px solid var(--paper-line);
}
.stat:first-child{ border-left: none; }
.stat-num{
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  color: var(--brick);
}
.stat-unit{ font-size: 0.6em; margin-left: 2px; }
.stat-label{
  display: block;
  font-size: 0.78rem;
  color: rgba(42,36,29,0.62);
  margin-top: 4px;
}
@media (max-width: 520px){
  .stat-strip{ grid-template-columns: 1fr; }
  .stat{ border-left: none; border-top: 1px solid var(--paper-line); }
  .stat:first-child{ border-top: none; }
}

/* ---------- Feature grid ---------- */
.feature-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}
.feature-card h3{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  margin: 14px 0 8px;
}
.feature-card p{
  font-size: 0.92rem;
  color: rgba(245,238,223,0.72);
  margin: 0;
}
.feature-icon{ width: 56px; height: 34px; color: var(--brass); }
@media (max-width: 680px){
  .feature-grid{ grid-template-columns: 1fr; gap: 32px; }
}

.divider-strut{
  display: block;
  width: 90px;
  height: 30px;
  color: var(--brass);
  margin: 8px auto 0;
  opacity: 0.85;
}

/* ---------- Condition list ---------- */
.condition-list{ display: flex; flex-direction: column; }
.condition-row{
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-top: 1px solid var(--paper-line);
  align-items: start;
}
.condition-row:last-child{ border-bottom: 1px solid var(--paper-line); }
.condition-tag{
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 0;
  font-weight: 600;
}
.condition-tag.critical{ color: var(--brick-deep); }
.condition-tag.moderate{ color: var(--brass); }
.condition-tag.stable{ color: var(--moss); }
.condition-row h4{
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 6px;
  font-weight: 600;
}
.condition-row p{
  margin: 0;
  font-size: 0.94rem;
  color: rgba(42,36,29,0.7);
}
@media (max-width: 520px){
  .condition-row{ grid-template-columns: 1fr; gap: 6px; }
}

/* ---------- Phase list ---------- */
.phase-list{
  list-style: none;
  margin: 0 0 44px;
  padding: 0;
  counter-reset: phase;
}
.phase-list li{
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-top: 1px solid rgba(245,238,223,0.16);
}
.phase-list li:last-child{ border-bottom: 1px solid rgba(245,238,223,0.16); }
.phase-index{
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--brass);
  font-weight: 600;
}
.phase-list h4{
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 6px;
  font-weight: 600;
}
.phase-list p{
  margin: 0;
  font-size: 0.94rem;
  color: rgba(245,238,223,0.72);
}

/* ---------- Audio player ---------- */
.listen-page{ text-align: left; }
.player{
  display: flex;
  align-items: center;
  gap: 20px;
  background: #fff;
  border: 1px solid var(--paper-line);
  border-radius: 4px;
  padding: 22px;
  margin-bottom: 14px;
}
.play-btn{
  flex: none;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--brick);
  color: var(--cream);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}
.play-btn:hover{ background: var(--brick-deep); }
.play-btn:active{ transform: scale(0.94); }
.play-btn:focus-visible{ outline: 2px solid var(--brass); outline-offset: 3px; }
#iconPlay{ margin-left: 2px; }

.player-body{ flex: 1; min-width: 0; }
.player-title{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 12px;
}
.track-bar{
  position: relative;
  height: 6px;
  background: var(--paper-line);
  border-radius: 3px;
  cursor: pointer;
}
.track-fill{
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0%;
  background: var(--brick);
  border-radius: 3px;
}
.track-knob{
  position: absolute;
  top: 50%; left: 0%;
  width: 14px; height: 14px;
  background: var(--brick);
  border: 2px solid #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 1px 3px rgba(0,0,0,0.25);
}
.track-bar:focus-visible{ outline: 2px solid var(--brass); outline-offset: 4px; }
.player-times{
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: rgba(42,36,29,0.55);
  margin-top: 8px;
  font-variant-numeric: tabular-nums;
}
.audio-note{
  font-size: 0.82rem;
  color: rgba(42,36,29,0.55);
  font-style: italic;
}
.audio-note code{
  font-family: ui-monospace, monospace;
  font-size: 0.9em;
  background: rgba(42,36,29,0.06);
  padding: 1px 5px;
  border-radius: 3px;
}

/* ---------- Colophon ---------- */
.colophon-page{ padding-bottom: 120px; }
.colophon-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 36px;
}
.colophon-grid h4{
  font-family: var(--font-display);
  font-size: 0.95rem;
  margin: 0 0 8px;
  color: var(--brick);
}
.colophon-grid p{
  font-size: 0.88rem;
  margin: 0;
  color: rgba(42,36,29,0.68);
}
@media (max-width: 640px){
  .colophon-grid{ grid-template-columns: 1fr; gap: 20px; }
}
.fine-print{
  font-size: 0.78rem;
  color: rgba(42,36,29,0.5);
  border-top: 1px solid var(--paper-line);
  padding-top: 16px;
}