/* =============================================================================
   main.css — design tokens, reset, typography, layout shell, navigation, footer.
   "Warm dark" editorial direction. Source Serif 4 (headings) + Inter (everything
   else). Solid opaque surfaces. No gradient text. No animations on text.
   ========================================================================== */

:root {
  /* ---------- Surfaces (cool deep charcoal — modern, neutral) ---------- */
  --bg:           #0E1014;   /* page background — slight blue cast, not purple */
  --surface:      #181B22;   /* cards, panels — opaque */
  --surface-2:    #21242E;   /* hover / elevated */
  --surface-3:    #2C3038;   /* active / inset */

  /* ---------- Ink ---------- */
  --ink:          #E7E9EE;   /* body & headings  — ~15:1 vs bg (AAA) */
  --ink-soft:     #C2C5CE;   /* emphasized body */
  --ink-mute:     #888C99;   /* meta, captions   — ~5.8:1 (AA) */
  --ink-faint:    #565A66;   /* decorative only — never text */
  --ink-disabled: #383B45;

  /* ---------- Borders ---------- */
  --border:        #232630;
  --border-strong: #353945;

  /* ---------- Accents (refined, low-saturation, not candy) ----------
     Single primary; secondary + warm reserved for very specific roles. */
  --accent:        #8B8FFF;   /* muted indigo-violet — primary       — ~7:1 */
  --accent-hover:  #A8ABFF;   /* lighter indigo                       — ~9:1 */
  --accent-2:      #6FA8C9;   /* muted steel-blue (awakening)        — ~7:1 */
  --accent-warm:   #C99B7A;   /* muted ochre — used rarely           — ~7.7:1 */
  --accent-warn:   #D98080;   /* muted dusty rose (suppression/warn) — ~7:1 */

  /* Legacy aliases — every old token now resolves into the new palette
     so no card / widget that referenced an old name breaks. */
  --gold:        var(--accent);
  --gold-1:      var(--accent);
  --gold-hover:  var(--accent-hover);
  --amber:       var(--accent);
  --amber-1:     var(--accent);
  --amber-2:     var(--accent-hover);
  --terracotta:  var(--accent-warm);
  --rose:        var(--accent-warn);
  --rose-1:      var(--accent-warm);
  --violet:      var(--accent);
  --violet-1:    var(--accent-hover);
  --pink:        var(--accent-warm);
  --indigo:      var(--accent);
  --cyan:        var(--accent-2);
  --cyan-1:      var(--accent-2);
  --emerald:     var(--accent-2);
  --sage:        var(--accent-2);
  --rust:        var(--accent-warn);

  /* ---------- Sizing ---------- */
  --r-sm: 6px;
  --r:    10px;
  --r-lg: 14px;
  --r-xl: 20px;
  --maxw:        1200px;
  --maxw-narrow: 760px;
  --maxw-prose:  680px;

  /* ---------- Spacing scale (8px baseline) ---------- */
  --sp-1: 0.5rem;
  --sp-2: 0.75rem;
  --sp-3: 1rem;
  --sp-4: 1.5rem;
  --sp-5: 2rem;
  --sp-6: 3rem;
  --sp-7: 4rem;
  --sp-8: 5.5rem;
  --sp-9: 7rem;

  /* ---------- Type ---------- */
  --serif: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  /* Type scale */
  --fs-12: 0.75rem;
  --fs-14: 0.875rem;
  --fs-16: 1rem;
  --fs-18: 1.125rem;
  --fs-22: 1.375rem;
  --fs-28: 1.75rem;
  --fs-40: 2.5rem;
  --fs-64: 4rem;

  /* ---------- Shadow ---------- */
  --shadow-sm:    0 1px 2px rgba(0,0,0,0.35);
  --shadow:       0 6px 20px -8px rgba(0,0,0,0.5);
  --shadow-lg:    0 18px 40px -16px rgba(0,0,0,0.55);

  /* ---------- Motion ---------- */
  --ease:      cubic-bezier(.2,.6,.2,1);
  --ease-out:  cubic-bezier(.16,1,.3,1);
  --d-fast: 160ms;
  --d:      240ms;
  --d-slow: 480ms;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-16);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11", "cv05";
  min-height: 100vh;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: none; padding: 0; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.012em;
  color: var(--ink);
  margin: 0;
}
h1 {
  font-size: clamp(2.25rem, 5vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.022em;
}
h2 {
  font-size: clamp(1.75rem, 3.4vw, var(--fs-40));
  line-height: 1.15;
  letter-spacing: -0.018em;
}
h3 { font-size: var(--fs-22); }
h4 {
  /* h4 is a real heading, not a micro-eyebrow. */
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--fs-18);
  letter-spacing: -0.005em;
  color: var(--ink);
}

/* True emphasis — italic only, same color as surrounding ink. */
em, i { font-style: italic; }

/* The optional flourish: one-word emphasis can use the gold accent.
   Add class="aurora" or class="accent" to <em> to opt in. */
em.accent, em.aurora,
h1 em.accent, h2 em.accent, h3 em.accent { color: var(--gold); font-style: italic; }

p { margin: 0 0 1em; color: var(--ink); font-size: var(--fs-16); max-width: 65ch; }

/* Lead paragraph — slightly larger, upright sans, soft ink. */
.lead {
  font-family: var(--sans);
  font-size: var(--fs-18);
  font-weight: 400;
  font-style: normal;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 56ch;
}

a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--ink-faint); text-underline-offset: 3px; transition: color var(--d-fast) var(--ease), text-decoration-color var(--d-fast) var(--ease); }
a:hover { color: var(--gold); text-decoration-color: var(--gold); }

/* The "eyebrow" — small, structural, not decorative. */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--sans);
  font-size: 0.6875rem;        /* 11px */
  font-weight: 600;
  letter-spacing: 0.08em;       /* tracked, but not page-by-page-letter */
  text-transform: uppercase;
  color: var(--gold);
}
.eyebrow::before {
  content: "";
  width: 18px; height: 1px;
  background: var(--gold);
  display: inline-block;
}

.muted { color: var(--ink-mute); }
.faint { color: var(--ink-faint); }
.serif { font-family: var(--serif); }
.italic { font-style: italic; }

/* Display variants — kept available, but no animation. */
.display {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.022em;
}

blockquote {
  margin: 2.4rem 0;
  padding-left: 1.4rem;
  border-left: 2px solid var(--gold);
  font-family: var(--serif);
  font-size: var(--fs-22);
  font-weight: 400;
  font-style: italic;            /* italic ALLOWED on a single-purpose blockquote */
  color: var(--ink);
  line-height: 1.5;
  max-width: 50ch;
}
blockquote cite {
  display: block;
  font-family: var(--sans);
  font-size: var(--fs-14);
  font-style: normal;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  margin-top: 0.6rem;
  text-transform: uppercase;
}

hr.rule {
  border: 0;
  height: 1px;
  background: var(--border-strong);
  margin: 4rem 0;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  position: relative;
  z-index: 1;
}
.narrow  { max-width: var(--maxw-narrow); }
.prose   { max-width: var(--maxw-prose); }

main { position: relative; z-index: 1; }
section { padding: clamp(3.5rem, 6vw, var(--sp-8)) 0; }
section.tight { padding: var(--sp-7) 0; }

/* Section padding modifiers (replace inline styles in HTML) */
.section--flush-top    { padding-top: 0; }
.section--flush-bottom { padding-bottom: 0; }

/* Centered host wrapper — used to hold the voice toggle on hero pages */
.voice-host {
  display: flex;
  justify-content: center;
  margin-top: var(--sp-5);
}

/* Eyebrow modifier for cartographer-note footers (slightly more space below) */
.note-eyebrow { margin-bottom: var(--sp-3); display: inline-flex; }

.section-head {
  max-width: 760px;
  margin-bottom: var(--sp-6);
}
.section-head .eyebrow { margin-bottom: var(--sp-3); }
.section-head h2 { margin-bottom: var(--sp-3); }
.section-head p { color: var(--ink-mute); max-width: 600px; }

/* ---------- Navigation ----------
   Single source of truth for app-shell layering.
     page content    z-index: 0   (default flow inside #app-content)
     .nav-backdrop   z-index: 90  (mobile, on drawer open)
     .nav            z-index: 100 (fixed top bar)
     .nav-drawer     z-index: 110 (mobile drawer)
   The shell elements are direct children of <body>, so nothing inside
   #app-content can establish a containing block that breaks position:fixed. */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.1rem 0;
  transition: background-color var(--d) var(--ease), border-color var(--d) var(--ease), padding var(--d) var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(14, 16, 20, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--border-strong);
  padding: 0.7rem 0;
  box-shadow: 0 8px 24px -16px rgba(0,0,0,0.5);
}
.nav-inner {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-16);
  font-weight: 500;
  letter-spacing: -0.005em;
  text-decoration: none;
}
.nav-brand:hover { color: var(--ink); }
.nav-brand-mark {
  width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--accent);
  flex: 0 0 auto;
}
.nav-brand-mark svg { width: 100%; height: 100%; }
.nav-brand-name { font-weight: 600; }
.nav-brand-slash { color: var(--ink-faint); margin: 0 0.1rem; font-weight: 300; }
.nav-brand-tag { color: var(--ink-mute); font-weight: 400; font-size: var(--fs-14); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  position: relative;
  color: var(--ink-mute);
  font-size: var(--fs-14);
  font-weight: 500;
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
  transition: color var(--d-fast) var(--ease), background-color var(--d-fast) var(--ease);
  text-decoration: none;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--ink); background-color: var(--surface); }
.nav-links a.active { color: var(--gold); }

.nav-toggle {
  display: none;
  width: 38px; height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  color: var(--ink);
  position: relative;
  z-index: 120;          /* sits above the drawer so a tap can close it */
}
.nav-toggle:hover { background: var(--surface); }

/* =========================================================================
   Mobile drawer — a full-screen contemplative menu. Independent from the
   desktop top-bar nav: uses its own selectors (.nav-drawer, .drawer-links,
   .drawer-link-*, .nav-drawer-*) and is fully hidden on desktop. The drawer
   contains its own list of links rendered with the editorial layout
   (number / serif label / subtitle / arrow).
   ========================================================================= */

/* Desktop: the entire drawer is hidden. Drawer markup uses its own selectors
   (.nav-drawer, .drawer-links, .drawer-link-*, .nav-drawer-*) so it does not
   interact with the desktop top-bar nav at all. */
.nav-drawer { display: none; }

/* Backdrop — disabled on desktop, enabled on mobile. */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 9, 14, 0.66);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--d) var(--ease);
  z-index: 90;
  display: none;
}
.nav-backdrop.open { opacity: 1; pointer-events: auto; }

@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }
  .nav-brand-tag { display: none; }
  .nav-backdrop { display: block; }
  /* On mobile the drawer is the menu — hide the desktop top-bar list. */
  .nav-links { display: none; }
  .nav-toggle {
    background: rgba(14, 16, 20, 0.58);
    box-shadow: 0 8px 20px -16px rgba(0,0,0,0.8);
  }

  /* The drawer takes over the viewport. Editorial dark background with a
     subtle violet wash from the upper-right, plus a sacred-geometry watermark
     that sits behind everything.
     The drawer is a sibling of #app-content under <body>, so position:fixed
     resolves against the viewport — no page-level transform/filter can
     reparent its containing block. */
  .nav-drawer {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; right: 0; bottom: 0; left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background:
      radial-gradient(ellipse 60% 40% at 92% 0%,  rgba(139, 143, 255, 0.18), transparent 60%),
      radial-gradient(ellipse 50% 35% at  8% 100%, rgba(111, 168, 201, 0.10), transparent 55%),
      linear-gradient(180deg, #14161D 0%, #0E1014 100%);
    transform: translateX(100%);
    transition: transform 360ms var(--ease-out);
    z-index: 110;
    overflow: hidden; /* watermark and inner scroll independently */
  }
  .nav-drawer.open { transform: translateX(0); }

  /* Sacred-geometry watermark — positioned center-right, low-opacity violet,
     a quiet contemplative undertone. Pure decoration; pointer-events: none. */
  .nav-drawer-watermark {
    display: block;
    position: absolute;
    top: 50%;
    right: -28%;
    width: 92vw;
    height: auto;
    max-width: 560px;
    transform: translateY(-50%);
    color: var(--accent);
    opacity: 0.07;
    pointer-events: none;
    z-index: 0;
  }

  /* Inner column scrolls — keeps the watermark fixed while the menu scrolls
     on short viewports. */
  .nav-drawer-inner {
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
    flex: 1 1 auto;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: calc(env(safe-area-inset-top, 0) + 2.5rem) 0 env(safe-area-inset-bottom, 0);
  }

  /* ---------- Header ---------- */
  .nav-drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    position: relative;
    padding: 0 clamp(1.5rem, 6vw, 2.25rem) 1.4rem;
  }
  .nav-drawer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.95rem;
    color: var(--ink);
    text-decoration: none;
  }
  .nav-drawer-mark {
    width: 44px; height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex: 0 0 auto;
  }
  .nav-drawer-mark .nav-brand-mark { width: 100%; height: 100%; }
  .nav-drawer-titles {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
  }
  .nav-drawer-title {
    font-family: var(--serif);
    font-size: 1.625rem;
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.014em;
    color: var(--ink);
  }
  .nav-drawer-eyebrow {
    font-family: var(--sans);
    font-size: 0.6875rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-mute);
    font-weight: 600;
  }
  .nav-drawer-close {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    border: 1px solid rgba(139, 143, 255, 0.22);
    border-radius: 8px;
    color: var(--ink);
    background: rgba(14, 16, 20, 0.45);
    position: absolute;
    top: calc(-1.4rem - env(safe-area-inset-top, 0));
    right: clamp(1.25rem, 4vw, 3rem);
  }
  .nav-drawer-close:hover,
  .nav-drawer-close:focus-visible {
    background: rgba(139, 143, 255, 0.12);
    outline: none;
  }

  /* ---------- Decorative divider — hairline · dot · hairline ---------- */
  .nav-drawer-divider {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0 clamp(1.5rem, 6vw, 2.25rem);
    margin: 0 0 0.5rem;
    color: var(--ink-faint);
  }
  .nav-drawer-divider span {
    flex: 1 1 auto;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(139, 143, 255, 0.28), transparent);
  }
  .nav-drawer-divider em {
    font-family: var(--serif);
    font-size: 1.1rem;
    font-style: normal;
    color: var(--accent);
    line-height: 1;
  }

  /* ---------- Drawer link list — editorial rows ---------- */
  .drawer-links {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    align-items: stretch;
    gap: 0;
    padding: 0;
    margin: 0;
    list-style: none;
  }
  .drawer-links li { display: block; margin: 0; }
  .drawer-links a {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    column-gap: 1.1rem;
    padding: 1.15rem clamp(1.5rem, 6vw, 2.25rem);
    color: var(--ink-soft);
    text-decoration: none;
    background: transparent;
    border: 0;
    border-bottom: 1px solid rgba(139, 143, 255, 0.06);
    transition: background-color var(--d-fast) var(--ease), color var(--d-fast) var(--ease);
    position: relative;
    overflow: hidden;
    white-space: normal;
  }
  .drawer-links li:first-child a { border-top: 1px solid rgba(139, 143, 255, 0.06); }

  .drawer-link-num {
    font-family: var(--mono);
    font-size: 0.6875rem;
    letter-spacing: 0.12em;
    color: var(--ink-faint);
    font-weight: 500;
    align-self: flex-start;
    padding-top: 0.55rem;
    min-width: 1.5em;
  }
  .drawer-link-body {
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
    min-width: 0;
  }
  .drawer-link-label {
    font-family: var(--serif);
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.012em;
    color: var(--ink);
  }
  .drawer-link-sub {
    font-family: var(--sans);
    font-size: var(--fs-14);
    color: var(--ink-mute);
    line-height: 1.35;
    font-weight: 400;
  }
  .drawer-link-arrow {
    color: var(--ink-faint);
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--d-fast) var(--ease), color var(--d-fast) var(--ease);
  }

  .drawer-links a:hover,
  .drawer-links a:focus-visible {
    background: linear-gradient(90deg, rgba(139, 143, 255, 0.10), transparent 80%);
    color: var(--ink);
  }
  .drawer-links a:hover .drawer-link-arrow,
  .drawer-links a:focus-visible .drawer-link-arrow {
    color: var(--accent);
    transform: translateX(4px);
  }
  .drawer-links a:hover .drawer-link-num,
  .drawer-links a:focus-visible .drawer-link-num { color: var(--accent); }

  .drawer-links a.active {
    background: linear-gradient(90deg, rgba(139, 143, 255, 0.18), rgba(139, 143, 255, 0.02) 70%);
  }
  .drawer-links a.active::before {
    content: "";
    position: absolute;
    top: 0; bottom: 0; left: 0;
    width: 3px;
    background: var(--accent);
  }
  .drawer-links a.active .drawer-link-label,
  .drawer-links a.active .drawer-link-num,
  .drawer-links a.active .drawer-link-arrow { color: var(--accent); }
  .drawer-links a.active .drawer-link-sub { color: var(--ink-soft); }

  /* ---------- Footer — italic quote + stats line ---------- */
  .nav-drawer-foot {
    display: block;
    padding: 1.6rem clamp(1.5rem, 6vw, 2.25rem) 2rem;
    border-top: 1px solid rgba(139, 143, 255, 0.10);
    margin-top: auto;
    text-align: center;
  }
  .nav-drawer-quote {
    font-family: var(--serif);
    font-style: italic;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--ink-mute);
    margin: 0 0 0.7rem;
    max-width: 32ch;
    margin-left: auto;
    margin-right: auto;
  }
  .nav-drawer-stats {
    font-family: var(--sans);
    font-size: 0.6875rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-faint);
    font-weight: 600;
    margin: 0;
  }

  body.nav-open { overflow: hidden; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.2rem;
  border-radius: 6px;
  font-family: var(--sans);
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: -0.005em;
  cursor: pointer;
  transition: background-color var(--d-fast) var(--ease), color var(--d-fast) var(--ease), border-color var(--d-fast) var(--ease), transform var(--d-fast) var(--ease);
  border: 1px solid transparent;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}
.btn--primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.btn--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--bg);
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--border-strong);
}
.btn--ghost:hover {
  background: var(--surface);
  border-color: var(--ink-mute);
  color: var(--ink);
}
.btn .arrow { transition: transform var(--d-fast) var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

.btn-row { display: flex; gap: 0.7rem; flex-wrap: wrap; align-items: center; }

/* ---------- Form controls ---------- */
input[type="text"], input[type="search"], select, textarea {
  width: 100%;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 0.65rem 0.9rem;
  font-size: var(--fs-14);
  transition: border-color var(--d-fast) var(--ease);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(139, 143, 255, 0.20);
}
::placeholder { color: var(--ink-faint); }
label {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.35rem;
  font-weight: 600;
}
select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'><path d='M1 1l5 5 5-5' stroke='%23888C99' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.5rem;
}

/* ---------- Footer ---------- */
.footer {
  position: relative;
  z-index: 1;
  padding: 4rem 0 2.4rem;
  margin-top: 4rem;
  border-top: 1px solid var(--border);
}
.footer-grid {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
}
.footer-mark {
  font-family: var(--serif);
  font-size: var(--fs-28);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.012em;
  margin-bottom: 1rem;
  color: var(--ink);
}
.footer-mark em { font-style: italic; color: var(--gold); }
.footer h5 {
  font-family: var(--sans);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 600;
  margin: 0 0 1rem;
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin: 0 0 0.5rem; }
.footer a { color: var(--ink-soft); font-size: var(--fs-14); text-decoration: none; }
.footer a:hover { color: var(--gold); }
.footer-base {
  width: 100%;
  max-width: var(--maxw);
  margin: 3rem auto 0;
  padding: 1.6rem clamp(1.25rem, 4vw, 3rem) 0;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--ink-mute);
  font-size: var(--fs-14);
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

/* ---------- Reveal-on-scroll (disabled) ---------- */
/* Reveal-on-scroll was reading as page lag, not grace. Show all content
   immediately. The .reveal / .reveal-stagger classes remain in markup so JS
   that targets them still works, but they no longer animate. */
.reveal,
.reveal-stagger > * {
  opacity: 1;
  transform: none;
}

/* ---------- Reduced motion (covers everything) ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal, .reveal-stagger > * { opacity: 1 !important; transform: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- Voice toggle (Plain ↔ Scholar) ---------- */
.voice-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  margin: var(--sp-4) auto 0;
}
.voice-toggle .vt-label {
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 600;
  padding: 0 0.6rem 0 0.8rem;
}
.voice-toggle button[data-vopt] {
  padding: 0.4rem 0.95rem;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: var(--fs-14);
  font-weight: 500;
  color: var(--ink-mute);
  transition: color var(--d-fast) var(--ease), background-color var(--d-fast) var(--ease);
  white-space: nowrap;
  cursor: pointer;
  background: transparent;
  border: none;
}
.voice-toggle button[data-vopt]:hover { color: var(--ink); }
.voice-toggle button[data-vopt].is-active {
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
}

/* Voice visibility — swapped via body class set by Voice.apply() */
[data-voice] { display: none; }
body.voice-plain    [data-voice="plain"]    { display: block; }
body.voice-scholar  [data-voice="scholar"]  { display: block; }
[data-voice].voice-inline { display: none; }
body.voice-plain    [data-voice="plain"].voice-inline    { display: inline; }
body.voice-scholar  [data-voice="scholar"].voice-inline  { display: inline; }

/* ---------- Plain-words callout (used in detail panels) ---------- */
.eli5-callout {
  position: relative;
  padding: 1.1rem 1.3rem 1.2rem;
  margin: 1rem 0 1.4rem;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
}
.eli5-callout::before {
  content: "in plain words";
  display: block;
  font-family: var(--sans);
  font-style: normal;
  font-weight: 600;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.eli5-callout p {
  margin: 0;
  font-family: var(--sans);
  font-size: var(--fs-18);
  font-weight: 400;
  font-style: normal;
  line-height: 1.55;
  color: var(--ink);
}
.eli5-metaphor {
  display: block;
  margin-top: 0.7rem;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--border-strong);
  color: var(--ink-soft);
  font-size: var(--fs-16);
  font-style: normal;
}
.eli5-metaphor::before {
  content: "metaphor — ";
  font-family: var(--sans);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-right: 0.4rem;
  font-weight: 600;
}

/* ---------- Mandala divider — quiet hairline + small static glyph ---------- */
.mandala-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 4rem 0;
}
.mandala-divider::before,
.mandala-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-strong);
}
.mandala-divider svg {
  width: 26px;
  height: 26px;
  color: var(--accent);
}

/* ---------- Utilities ---------- */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; } .gap-2 { gap: 1rem; } .gap-3 { gap: 1.5rem; } .gap-4 { gap: 2rem; }
.mt-1 { margin-top: 0.5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; } .mt-6 { margin-top: 3rem; } .mt-8 { margin-top: 4rem; }
.mb-1 { margin-bottom: 0.5rem; } .mb-2 { margin-bottom: 1rem; } .mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; } .mb-6 { margin-bottom: 3rem; } .mb-8 { margin-bottom: 4rem; }
.text-center { text-align: center; }
.hidden { display: none !important; }

/* ---------- Chip / pill ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: background-color var(--d-fast) var(--ease), color var(--d-fast) var(--ease), border-color var(--d-fast) var(--ease);
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
}
.chip:hover { background: var(--surface-2); border-color: var(--ink-faint); color: var(--ink); }
.chip.is-amber, .chip.is-gold, .chip.is-violet {
  color: var(--accent);
  background: rgba(139, 143, 255, 0.10);
  border-color: rgba(139, 143, 255, 0.28);
}
.chip.is-amber:hover, .chip.is-gold:hover, .chip.is-violet:hover {
  background: rgba(139, 143, 255, 0.18);
  color: var(--accent-hover);
}
.chip.is-rose, .chip.is-rust {
  color: var(--accent-warn);
  background: rgba(217, 128, 128, 0.10);
  border-color: rgba(217, 128, 128, 0.28);
}
.chip.is-terracotta, .chip.is-pink {
  color: var(--accent-warm);
  background: rgba(201, 155, 122, 0.10);
  border-color: rgba(201, 155, 122, 0.28);
}
.chip.is-cyan, .chip.is-sage {
  color: var(--accent-2);
  background: rgba(111, 168, 201, 0.10);
  border-color: rgba(111, 168, 201, 0.28);
}