/* ==========================================================================
   Vāgdhenu (वाग्धेनु) — Classical Sanskrit Pārāyaṇa Editorial Theme
   Aligned with prathosh.in/vagdhenu & engineered under taste-skill protocols
   ========================================================================== */

:root {
  /* Official Vāgdhenu Brand Tokens (from prathosh.in/vagdhenu) */
  --bg: #fdfaf4;
  --bg-warm: #faf3e4;
  --bg-tint: #f7efe0;
  --card: #ffffff;
  --ink: #2a2018;
  --ink-body: #362b21;
  --soft: #5c5145;
  --muted: #6d6256;
  --crimson: #7a1f0d;
  --accent: #a8330d;
  --accent-hover: #892607;
  --accent-soft: rgba(168, 51, 13, 0.08);
  --accent-border: rgba(168, 51, 13, 0.28);
  --gold: #bd8a2d;
  --gold-soft: rgba(189, 138, 45, 0.12);
  --line: #ece2d2;
  --line-strong: #dfd0b8;
  --bezel-bg: rgba(122, 31, 13, 0.032);
  --bezel-border: #e8dcc8;

  /* Consistent Corner Radius Scale (Shape Consistency Lock) */
  --radius-outer: 22px;
  --radius-inner: 16px;
  --radius-md: 11px;
  --radius-sm: 8px;
  --radius-pill: 9999px;

  /* Tinted Manuscript Shadows (never pure black) */
  --shadow-bezel: 0 14px 36px -20px rgba(122, 31, 13, 0.24), 0 2px 6px -2px rgba(42, 32, 24, 0.05);
  --shadow-inner-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.92);
  --shadow-cta: 0 10px 24px -10px rgba(168, 51, 13, 0.45);

  /* Typography */
  --font-serif: "Spectral", Georgia, "Times New Roman", serif;
  --font-indic: "Noto Serif Devanagari", "Noto Sans Kannada", "Noto Sans Telugu", serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Spring Physics Curve */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  min-height: 100dvh;
  max-width: 100%;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Fixed Paper-Grain Overlay (GPU-safe, pointer-events: none) */
.paper-grain {
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
  opacity: 0.026;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 100;
  background: var(--crimson);
  color: #ffffff;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.25s var(--ease-spring);
}

.skip-link:focus {
  top: 14px;
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.container {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}

.mono-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   1. Floating Top Navigation (Single-Line, <= 72px Height)
   ========================================================================== */

.top-nav-wrap {
  position: sticky;
  top: 14px;
  z-index: 30;
  padding: 0 16px;
  margin-top: 14px;
}

/* Web glassmorphism approximation for sticky nav */
.top-nav {
  max-width: 1180px;
  height: 62px;
  margin: 0 auto;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  background: rgba(253, 250, 244, 0.86);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--bezel-border);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    0 10px 28px -18px rgba(122, 31, 13, 0.22);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

@media (prefers-reduced-transparency: reduce) {
  .top-nav {
    background: #fdfaf4;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--crimson);
  white-space: nowrap;
}

.nav-monogram {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--crimson);
  color: #fbe6c9;
  font-family: var(--font-indic);
  font-weight: 700;
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.nav-brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--crimson);
}

.nav-brand-deva {
  font-family: var(--font-indic);
  font-size: 0.92rem;
  color: var(--gold);
  font-weight: 500;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.nav-link {
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--soft);
  text-decoration: none;
  transition: background-color 0.25s var(--ease-spring), color 0.25s var(--ease-spring);
}

.nav-link:hover {
  color: var(--crimson);
  background: rgba(168, 51, 13, 0.06);
}

.nav-link.active {
  color: var(--crimson);
  font-weight: 600;
  background: rgba(168, 51, 13, 0.09);
}

.nav-Telemetry {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.telemetry-pill {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  color: var(--crimson);
}

.telemetry-pill.subtle {
  background: rgba(255, 255, 255, 0.72);
  border-color: var(--line-strong);
  color: var(--soft);
}

/* ==========================================================================
   2. Hero Section (Asymmetric Editorial Split, <= pt-24)
   ========================================================================== */

.hero {
  background:
    radial-gradient(1200px 420px at 50% -120px, #fbe6c9 0%, rgba(251, 230, 201, 0) 70%),
    linear-gradient(170deg, #fdf4e2 0%, #fbeed9 55%, var(--bg) 100%);
  border-bottom: 1px solid #efe2cb;
  padding: 3.25rem 0 3.5rem;
}

.hero-split {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 40px;
  align-items: center;
}

.sanskrit-invocation {
  font-family: var(--font-indic);
  color: var(--gold);
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 0.45rem;
}

.hero-title {
  font-size: clamp(2.75rem, 5vw, 4.1rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 700;
  color: var(--crimson);
  margin-bottom: 0.85rem;
  text-wrap: balance;
}

.hero-subtitle {
  font-size: 1.24rem;
  line-height: 1.55;
  color: var(--soft);
  max-width: 48ch;
  margin-bottom: 1.65rem;
  text-wrap: pretty;
}

.hero-subtitle em {
  font-style: italic;
  color: var(--crimson);
  padding-bottom: 0.1em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

/* Button-in-Button Architecture (WCAG AA 6.15:1 contrast) */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 8px 8px 22px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: #ffffff;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--crimson);
  box-shadow: var(--shadow-cta);
  transition:
    background-color 0.3s var(--ease-spring),
    transform 0.25s var(--ease-spring),
    box-shadow 0.3s var(--ease-spring);
}

.btn-primary:hover {
  background: var(--crimson);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-icon-circle {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.16);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.35s var(--ease-spring), background-color 0.35s var(--ease-spring);
}

.group:hover .btn-icon-circle {
  transform: translate(2px, -1px) scale(1.06);
  background: rgba(255, 255, 255, 0.24);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 11px 20px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid #decba6;
  color: var(--crimson);
  font-size: 0.98rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color 0.25s var(--ease-spring),
    border-color 0.25s var(--ease-spring),
    transform 0.2s var(--ease-spring);
}

.btn-secondary:hover {
  background: #ffffff;
  border-color: var(--accent);
}

.btn-secondary:active {
  transform: scale(0.98);
}

/* ==========================================================================
   3. Double-Bezel (Doppelrand) Nested Component Architecture
   ========================================================================== */

.double-bezel {
  background: var(--bezel-bg);
  border: 1px solid var(--bezel-border);
  padding: 6px;
  border-radius: var(--radius-outer);
  box-shadow: var(--shadow-bezel);
}

.bezel-inner {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-inner);
  box-shadow: var(--shadow-inner-highlight);
}

/* Hero Specimen Card */
.specimen-inner {
  padding: 22px 24px;
  background:
    radial-gradient(600px 200px at 90% 0%, rgba(251, 230, 201, 0.55) 0%, rgba(251, 230, 201, 0) 70%),
    #ffffff;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.specimen-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.specimen-tag {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.specimen-meta {
  font-size: 0.88rem;
  color: var(--muted);
}

.specimen-verse {
  font-family: var(--font-indic);
  font-size: 1.2rem;
  line-height: 1.9;
  color: var(--ink);
  padding: 12px 16px;
  background: var(--bg);
  border-left: 3px solid var(--gold);
  border-radius: 4px var(--radius-sm) var(--radius-sm) 4px;
}

.specimen-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding-top: 4px;
}

.metric-cell {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  display: flex;
  flex-direction: column;
}

.metric-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--crimson);
}

.metric-lbl {
  font-size: 0.78rem;
  color: var(--muted);
}

.specimen-disclaimer {
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--crimson);
  background: rgba(168, 51, 13, 0.055);
  border: 1px solid #e6c79d;
  border-radius: var(--radius-sm);
  padding: 9px 12px;
}

/* ==========================================================================
   4. Interactive Studio Grid (Synthesis + Pāṇinian Scansion)
   ========================================================================== */

.studio-section {
  padding-top: 3rem;
  padding-bottom: 4rem;
}

.studio-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 24px;
  align-items: start;
}

.panel-card {
  padding: 26px 26px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.section-title {
  font-size: 1.38rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--crimson);
  line-height: 1.25;
}

.subsection-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--crimson);
  line-height: 1.3;
}

.section-lead {
  font-size: 0.94rem;
  font-style: italic;
  color: var(--muted);
  margin-top: 2px;
}

.script-pill {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--bg-warm);
  border: 1px solid #e2d1b3;
  color: var(--crimson);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Field Labels */
.field-label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--soft);
  margin-bottom: 7px;
}

.field-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 7px;
}

.field-label-row .field-label {
  margin-bottom: 0;
}

.field-hint {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--muted);
}

/* Sample Preset Chips */
.preset-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.chip-btn {
  font-family: var(--font-serif);
  background: var(--bg);
  color: var(--soft);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 0.86rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color 0.22s var(--ease-spring),
    color 0.22s var(--ease-spring),
    border-color 0.22s var(--ease-spring),
    transform 0.18s var(--ease-spring);
}

.chip-btn:hover {
  background: var(--bg-warm);
  border-color: var(--accent);
  color: var(--crimson);
}

.chip-btn:active {
  transform: scale(0.98);
}

.chip-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  font-weight: 600;
}

/* Verse Textarea (WCAG AA Contrast Checked) */
.shloka-textarea {
  width: 100%;
  min-height: 132px;
  background: var(--bg);
  color: var(--ink);
  border: 1.5px solid #dcc8a8;
  border-radius: var(--radius-md);
  padding: 15px 18px;
  font-size: 1.24rem;
  line-height: 1.85;
  font-family: var(--font-indic);
  resize: vertical;
  transition: border-color 0.22s var(--ease-spring), box-shadow 0.22s var(--ease-spring), background-color 0.22s var(--ease-spring);
}

.shloka-textarea::placeholder {
  color: #7b6e60;
}

.shloka-textarea:focus {
  outline: none;
  background: #ffffff;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(168, 51, 13, 0.14);
}

/* Client-Side ONNX Runtime Module Pills */
.runtime-pills {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  background: var(--bg);
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-strong);
}

.rt-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--soft);
  background: var(--bg-warm);
  border: 1px solid #e4d4b9;
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-variant-numeric: tabular-nums;
}

.rt-pill strong {
  color: var(--crimson);
  font-weight: 600;
}

/* Execution Mode Selector */
.mode-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  background: var(--bg);
  padding: 5px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-strong);
}

.mode-tab {
  font-family: var(--font-serif);
  background: transparent;
  color: var(--soft);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  transition:
    background-color 0.25s var(--ease-spring),
    color 0.25s var(--ease-spring),
    border-color 0.25s var(--ease-spring),
    box-shadow 0.25s var(--ease-spring);
}

.mode-tab:hover {
  color: var(--crimson);
}

.mode-tab.active {
  background: #ffffff;
  color: var(--crimson);
  border-color: #decba8;
  box-shadow: 0 3px 10px -4px rgba(122, 31, 13, 0.18);
}

/* Prosody & Flow Controls */
.controls-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.85fr 0.85fr;
  gap: 14px;
}

.control-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control-field label {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.control-field label strong {
  color: var(--crimson);
  font-size: 0.82rem;
}

.select-input {
  width: 100%;
  font-family: var(--font-serif);
  background: var(--bg);
  color: var(--ink);
  border: 1px solid #d9c7aa;
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-size: 0.92rem;
  min-height: 42px;
  cursor: pointer;
  transition: border-color 0.2s var(--ease-spring);
}

.select-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(168, 51, 13, 0.14);
}

.range-input {
  width: 100%;
  accent-color: var(--accent);
  height: 42px;
  background: transparent;
  border: none;
  padding: 0 2px;
  cursor: pointer;
}

.toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.9rem;
  color: var(--ink-body);
  cursor: pointer;
}

.checkbox-label input {
  width: 17px;
  height: 17px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* Primary Chant Button (Button-in-Button Full Pill, Single-Line) */
.chant-btn {
  width: 100%;
  min-height: 54px;
  padding: 8px 10px 8px 26px;
  border: 1px solid var(--crimson);
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--accent) 0%, var(--crimson) 100%);
  color: #ffffff;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  white-space: nowrap;
  box-shadow: var(--shadow-cta);
  transition:
    transform 0.25s var(--ease-spring),
    box-shadow 0.25s var(--ease-spring),
    opacity 0.2s var(--ease-spring);
}

.chant-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px -10px rgba(122, 31, 13, 0.55);
}

.chant-btn:active:not(:disabled) {
  transform: scale(0.985);
}

.chant-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.chant-btn:disabled {
  opacity: 0.68;
  cursor: wait;
}

/* Progress & Status Box */
.status-box {
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 12px 15px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.status-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--soft);
}

.progress-track {
  width: 100%;
  height: 6px;
  background: #ede2ce;
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transition: width 0.28s var(--ease-spring);
}

/* Audio Player Card */
.player-card[hidden] {
  display: none !important;
}

.player-card {
  background:
    radial-gradient(600px 180px at 50% 0%, rgba(251, 230, 201, 0.5) 0%, rgba(251, 230, 201, 0) 75%),
    var(--bg);
  border: 1px solid #dfc9a4;
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.player-title {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--crimson);
}

.waveform-canvas {
  width: 100%;
  height: 82px;
  border-radius: var(--radius-sm);
  background: #faf3e4;
  border: 1px solid var(--line);
}

.audio-controls-row {
  display: flex;
  align-items: center;
}

.audio-controls-row audio {
  width: 100%;
  height: 40px;
}

.audio-controls-row audio::-webkit-media-controls-panel {
  background: #faf4e8;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  color: var(--crimson);
  border: 1px solid #d9c29c;
  border-radius: var(--radius-pill);
  padding: 5px 13px;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s var(--ease-spring), border-color 0.2s var(--ease-spring);
}

.download-btn:hover {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

/* ==========================================================================
   5. Pāṇinian Chandas Scansion & Kannada Phonetic Inspector
   ========================================================================== */

.meter-banner {
  background:
    radial-gradient(500px 140px at 0% 0%, rgba(251, 230, 201, 0.65) 0%, rgba(251, 230, 201, 0) 75%),
    var(--bg);
  border: 1px solid #e2ceac;
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.meter-right {
  text-align: right;
}

.meter-name {
  font-size: 1.25rem;
  font-weight: 700;
  font-style: italic;
  color: var(--crimson);
  padding-bottom: 0.08em;
}

.meter-meta {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 600;
}

.akshara-badge {
  display: inline-block;
  margin-top: 2px;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 3px 11px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: #ffffff;
}

.scansion-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.8rem;
  color: var(--muted);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-swatch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 20px;
  border-radius: 5px;
  font-style: normal;
  font-weight: 700;
  font-family: var(--font-mono);
}

.legend-swatch.guru {
  background: rgba(168, 51, 13, 0.13);
  border: 1px solid rgba(168, 51, 13, 0.35);
  color: var(--crimson);
}

.legend-swatch.laghu {
  background: var(--bg-warm);
  border: 1px solid #dfd0b8;
  color: var(--soft);
}

.scansion-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 270px;
  overflow-y: auto;
  padding-right: 4px;
}

.scansion-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 12px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}

.syl-pill {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5px 8px;
  border-radius: 6px;
  min-width: 36px;
  border: 1px solid transparent;
  transition: transform 0.18s var(--ease-spring);
}

.syl-pill:hover {
  transform: translateY(-1px);
}

.syl-pill.guru {
  background: rgba(168, 51, 13, 0.11);
  border-color: rgba(168, 51, 13, 0.32);
  color: var(--crimson);
}

.syl-pill.laghu {
  background: #ffffff;
  border-color: #e4d6c0;
  color: var(--soft);
}

.syl-mark {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.88rem;
  line-height: 1;
  margin-bottom: 2px;
}

.syl-txt {
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.routing-section {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.routing-box {
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.kannada-pieces {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.routing-piece {
  font-size: 0.98rem;
  color: var(--ink);
  font-family: var(--font-indic);
  padding: 8px 12px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 4px var(--radius-sm) var(--radius-sm) 4px;
}

.routing-slp {
  font-size: 0.78rem;
  color: var(--muted);
  word-break: break-all;
  padding-top: 2px;
}

/* ==========================================================================
   6. Asymmetric Bento Architecture Section (4 Cells = 4 Items)
   ========================================================================== */

.arch-section,
.ecosystem-section {
  padding: 3.5rem 0;
  border-top: 1px solid #efe4d2;
}

.section-intro {
  max-width: 64ch;
  margin-bottom: 2rem;
}

.display-heading {
  font-size: clamp(1.85rem, 3.2vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--crimson);
  font-weight: 700;
  margin-bottom: 0.55rem;
  text-wrap: balance;
}

.display-subtext {
  font-size: 1.08rem;
  color: var(--soft);
  line-height: 1.6;
  text-wrap: pretty;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.bento-cell.span-7 {
  grid-column: span 7;
}

.bento-cell.span-5 {
  grid-column: span 5;
}

.bento-inner {
  height: 100%;
  padding: 26px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bento-inner.warm-tint {
  background:
    radial-gradient(700px 240px at 0% 0%, rgba(251, 230, 201, 0.65) 0%, rgba(251, 230, 201, 0) 70%),
    #ffffff;
}

.bento-inner.manuscript-wash {
  background:
    radial-gradient(700px 240px at 100% 100%, rgba(251, 230, 201, 0.65) 0%, rgba(251, 230, 201, 0) 70%),
    #ffffff;
}

.bento-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.bento-kicker {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
}

.bento-stat {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--bg);
  border: 1px solid var(--line-strong);
  color: var(--crimson);
}

.bento-title {
  font-size: 1.32rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.bento-body {
  font-size: 0.98rem;
  color: var(--soft);
  line-height: 1.62;
  max-width: 62ch;
}

.bento-body code {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  background: var(--bg);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--line);
  color: var(--crimson);
}

.meter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 8px;
}

.meter-tags span {
  font-style: italic;
  font-size: 0.86rem;
  font-weight: 600;
  padding: 3px 11px;
  border-radius: var(--radius-pill);
  background: var(--bg);
  border: 1px solid #e2d1b3;
  color: var(--crimson);
}

/* ==========================================================================
   7. Companion Ecosystem & Deployments (Bhāgavata-VāNi & Vāgbodhinī)
   ========================================================================== */

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-bottom: 22px;
}

.eco-card {
  height: 100%;
  padding: 28px 28px 26px;
  background:
    radial-gradient(800px 240px at 50% -80px, #fbe6c9 0%, rgba(251, 230, 201, 0) 70%),
    #ffffff;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.eco-sanskrit {
  font-family: var(--font-indic);
  color: var(--gold);
  font-size: 1.15rem;
  font-weight: 600;
}

.eco-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--crimson);
  letter-spacing: -0.015em;
  line-height: 1.15;
}

.eco-desc {
  font-size: 0.98rem;
  color: var(--soft);
  line-height: 1.62;
  margin-bottom: 10px;
}

.eco-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.pill-link {
  display: inline-block;
  padding: 6px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid #e0cfa8;
  background: rgba(255, 255, 255, 0.8);
  color: var(--crimson);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s var(--ease-spring), color 0.2s var(--ease-spring), border-color 0.2s var(--ease-spring);
}

.pill-link:hover {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.pill-link.primary {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.pill-link.primary:hover {
  background: var(--crimson);
  border-color: var(--crimson);
}

.corpus-inner {
  padding: 20px 26px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
}

.corpus-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.corpus-name {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--ink);
}

.corpus-meta {
  font-size: 0.9rem;
  color: var(--muted);
}

.corpus-divider {
  width: 1px;
  height: 48px;
  background: var(--line-strong);
}

.text-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  margin-top: 2px;
}

.text-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   8. Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid #efe4d2;
  padding: 2.5rem 0 3.2rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-attribution strong {
  color: var(--soft);
}

.footer-attribution a {
  color: var(--accent);
  text-decoration: none;
}

.footer-attribution a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   9. Scroll-Entry Choreography & Reduced Motion Guardrails
   ========================================================================== */

@media (prefers-reduced-motion: no-preference) {
  .reveal-item {
    opacity: 0;
    transform: translateY(18px);
    transition:
      opacity 0.65s var(--ease-spring),
      transform 0.65s var(--ease-spring);
  }

  .reveal-item.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Prevent CSS Grid & Flex items from expanding past 100vw on mobile */
.hero-split > *,
.studio-grid > *,
.bento-grid > *,
.ecosystem-grid > *,
.corpus-inner > *,
.double-bezel,
.bezel-inner,
.panel-card,
.status-top > * {
  min-width: 0;
  max-width: 100%;
}

/* ==========================================================================
   10. Explicit Mobile & Tablet Collapse (< 960px, < 768px, < 480px)
   ========================================================================== */

@media (max-width: 960px) {
  .hero-split,
  .studio-grid,
  .ecosystem-grid {
    grid-template-columns: 1fr;
  }

  .bento-cell.span-7,
  .bento-cell.span-5 {
    grid-column: span 12;
  }

  .corpus-inner {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .corpus-divider {
    width: 100%;
    height: 1px;
  }

  .nav-Telemetry {
    display: none;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 14px;
  }

  .top-nav-wrap {
    top: 8px;
    padding: 0 10px;
    margin-top: 8px;
  }

  .top-nav {
    height: 50px;
    padding: 0 12px;
    gap: 8px;
  }

  .nav-monogram {
    width: 30px;
    height: 30px;
    font-size: 0.94rem;
    border-radius: 8px;
  }

  .nav-brand-text {
    font-size: 1.08rem;
  }

  .nav-brand-deva {
    display: none;
  }

  .nav-links {
    gap: 2px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .nav-link {
    padding: 4px 8px;
    font-size: 0.78rem;
  }

  .hero {
    padding: 1.6rem 0 2rem;
  }

  .hero-split {
    gap: 22px;
  }

  .sanskrit-invocation {
    font-size: 1.12rem;
  }

  .hero-title {
    font-size: clamp(2rem, 8.2vw, 2.55rem);
    line-height: 1.06;
  }

  .hero-subtitle {
    font-size: 1.02rem;
    line-height: 1.52;
    margin-bottom: 1.25rem;
  }

  .specimen-inner {
    padding: 16px;
    gap: 12px;
  }

  .specimen-verse {
    font-size: 1.04rem;
    line-height: 1.75;
    padding: 10px 12px;
  }

  .specimen-metrics {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }

  .metric-cell {
    padding: 7px 8px;
  }

  .metric-val {
    font-size: 0.9rem;
  }

  .metric-lbl {
    font-size: 0.7rem;
    line-height: 1.25;
  }

  .studio-section {
    padding-top: 1.75rem;
    padding-bottom: 2.5rem;
  }

  .panel-card {
    padding: 16px 14px 18px;
    gap: 16px;
  }

  .section-header {
    flex-wrap: wrap;
    gap: 8px;
  }

  .section-title {
    font-size: 1.22rem;
  }

  .field-label-row {
    flex-wrap: wrap;
    gap: 4px;
  }

  /* Horizontal swipeable preset strip on mobile so 8 presets don't push controls off screen */
  .preset-chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
    scrollbar-width: none;
    margin: 0 -2px;
    padding-left: 2px;
    padding-right: 2px;
  }

  .preset-chips::-webkit-scrollbar {
    display: none;
  }

  .chip-btn {
    flex-shrink: 0;
    padding: 6px 12px;
    font-size: 0.82rem;
  }

  .shloka-textarea {
    font-size: 1.08rem;
    line-height: 1.72;
    padding: 12px 14px;
    min-height: 112px;
  }

  .runtime-pills {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    padding: 8px;
  }

  .rt-pill {
    font-size: 0.72rem;
    padding: 5px 8px;
    overflow-wrap: anywhere;
  }

  .controls-grid,
  .mode-selector {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .chant-btn {
    white-space: normal;
    text-align: left;
    line-height: 1.28;
    font-size: 0.98rem;
    padding: 9px 10px 9px 18px;
    gap: 10px;
  }

  .chant-btn .btn-icon-circle {
    flex-shrink: 0;
  }

  .status-box {
    padding: 10px 12px;
  }

  .status-top {
    align-items: flex-start;
    gap: 8px;
    font-size: 0.82rem;
  }

  #statusText {
    flex: 1;
    overflow-wrap: anywhere;
    line-height: 1.4;
  }

  #statusTimer {
    flex-shrink: 0;
  }

  .meter-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 12px 14px;
  }

  .meter-right {
    text-align: left;
  }

  .bento-inner,
  .eco-card,
  .corpus-inner {
    padding: 18px 16px;
  }

  .bento-top {
    flex-wrap: wrap;
  }

  .eco-title {
    font-size: 1.35rem;
  }

  .pill-link {
    white-space: normal;
    font-size: 0.82rem;
    padding: 5px 11px;
  }
}

@media (max-width: 480px) {
  .nav-links .nav-link:not(.active) {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: space-between;
  }

  .btn-secondary {
    justify-content: center;
  }

  .runtime-pills {
    grid-template-columns: 1fr;
  }
}