/* ============================================================
   WORDLETALKS — CONSOLIDATED SITE STYLES
   Upload to server root, load via ONE <link> in WPCode Header.
   Contains: shared calculator styles + homepage layout styles.
   ============================================================ */

/* ---------- SHARED CALCULATOR STYLES ---------- */
/* ============================================================
   WORDLETALKS — TRADE ALMANAC EDITION
   Design tokens, then component styling built through those tokens.
   Paste into WordPress → Appearance → Customize → Additional CSS.
   ============================================================ */

/* ---------- TOKENS ---------- */
:root {
  /* Neutrals (chosen, not defaulted) */
  --ink:        #0B1220;
  --ink-2:      #1A1E2E;
  --ink-muted:  #565A67;
  --paper:      #F5F3EF;
  --paper-2:    #ECE8DF;
  --paper-3:    #FAFAF6;
  --rule:       #D5CFC0;

  /* Accent — persimmon, editorial */
  --accent:      #C43F1B;
  --accent-2:    #A32E10;
  --accent-soft: #E8AB74;
  --accent-wash: #F5D9C7;

  /* Semantic (distinct from accent) */
  --good:     #2E7D57;
  --good-bg:  #E4EFE9;
  --warn:     #B57614;
  --bad:      #8B2D1F;

  /* Typography */
  --serif: 'Fraunces', ui-serif, Georgia, 'Times New Roman', serif;
  --sans:  'Instrument Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  /* Type scale (major third) */
  --step-0:  1rem;
  --step-1:  1.125rem;
  --step-2:  1.35rem;
  --step-3:  1.75rem;
  --step-4:  2.25rem;
  --step-5:  3rem;
  --step-6:  4.25rem;

  /* Rhythm */
  --measure: 65ch;
  --radius:  4px;
  --radius-lg: 8px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-wt-theme="light"]) {
    --ink:        #F5F3EF;
    --ink-2:      #E5DFD1;
    --ink-muted:  #9A9EAA;
    --paper:      #12141A;
    --paper-2:    #1C1F26;
    --paper-3:    #0A0C12;
    --rule:       #2A2F3A;
    --accent:      #E8593A;
    --accent-2:    #F17352;
    --accent-soft: #F0BE84;
    --accent-wash: #3A1A0F;
    --good:        #6ECFA1;
    --good-bg:     #0F2A20;
    --warn:        #E1A745;
    --bad:         #E67C6A;
  }
}
:root[data-wt-theme="dark"] {
  --ink:        #F5F3EF;
  --ink-2:      #E5DFD1;
  --ink-muted:  #9A9EAA;
  --paper:      #12141A;
  --paper-2:    #1C1F26;
  --paper-3:    #0A0C12;
  --rule:       #2A2F3A;
  --accent:      #E8593A;
  --accent-2:    #F17352;
  --accent-soft: #F0BE84;
  --accent-wash: #3A1A0F;
  --good:        #6ECFA1;
  --good-bg:     #0F2A20;
  --warn:        #E1A745;
  --bad:         #E67C6A;
}
:root[data-wt-theme="light"] {
  --ink:        #0B1220;
  --ink-2:      #1A1E2E;
  --ink-muted:  #565A67;
  --paper:      #F5F3EF;
  --paper-2:    #ECE8DF;
  --paper-3:    #FAFAF6;
  --rule:       #D5CFC0;
  --accent:      #C43F1B;
  --accent-2:    #A32E10;
  --accent-soft: #E8AB74;
  --accent-wash: #F5D9C7;
  --good:     #2E7D57;
  --good-bg:  #E4EFE9;
}

/* ---------- CALCULATOR COMPONENTS (styled through tokens) ---------- */

.wt-calc { font-family: var(--sans); font-feature-settings: "ss01","ss02","cv11"; max-width: 720px; margin: 0 auto; color: var(--ink); line-height: 1.55; }
.wt-calc *, .wt-calc *::before, .wt-calc *::after { box-sizing: border-box; }

.wt-calc h2 {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-variation-settings: "SOFT" 30, "opsz" 96, "wght" 500;
  font-size: var(--step-4);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0 0 .35rem;
  text-wrap: balance;
}

.wt-calc .wt-sub {
  color: var(--ink-muted);
  margin: 0 0 1.5rem;
  font-size: var(--step-1);
  max-width: 55ch;
}

/* Definition — treat as an editorial lede/pullquote, not a "callout box" */
.wt-calc .wt-def {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 1.1rem 0;
  margin: 0 0 1.75rem;
  font-family: var(--serif);
  font-variation-settings: "SOFT" 30, "opsz" 20, "wght" 400;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink);
  background: transparent;
  border-radius: 0;
  position: relative;
}
.wt-calc .wt-def::before {
  content: "Definition";
  display: block;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .4rem;
}
.wt-calc .wt-def strong { display: none; }  /* the "What is X?" is already in the H2 above */

/* Card — quiet frame, not a puffy chrome */
.wt-calc .wt-card {
  background: var(--paper-3);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

/* Labels get monospace treatment for that data-forward feel */
.wt-calc label {
  display: block;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--ink-2);
  margin: 1rem 0 .1rem;
}
.wt-calc label:first-of-type { margin-top: 0; }

.wt-calc .wt-help {
  display: block;
  color: var(--ink-muted);
  font-size: .88rem;
  line-height: 1.45;
  margin: 0 0 .55rem;
  font-family: var(--sans);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}

.wt-calc input[type="number"],
.wt-calc input[type="text"],
.wt-calc input[type="url"],
.wt-calc select,
.wt-calc textarea {
  width: 100%;
  padding: .75rem .9rem;
  font-size: 1.05rem;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  -webkit-appearance: none; appearance: none;
}
.wt-calc input[type="number"]:focus,
.wt-calc input[type="text"]:focus,
.wt-calc input[type="url"]:focus,
.wt-calc select:focus,
.wt-calc textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
  background: var(--paper-3);
}

.wt-calc button {
  background: var(--ink);
  color: var(--paper);
  border: 0;
  padding: .95rem 1.25rem;
  font-size: 1rem;
  font-family: var(--sans);
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  width: 100%;
  margin-top: 1.25rem;
  letter-spacing: .01em;
  transition: background .12s ease;
}
.wt-calc button:hover { background: var(--accent); color: #fff; }

/* Result — the emphatic beat */
.wt-calc .wt-result {
  background: transparent;
  border: 0;
  border-top: 2px solid var(--accent);
  border-radius: 0;
  padding: 1.25rem 0 .5rem;
  margin-top: 1.5rem;
  position: relative;
}
.wt-calc .wt-result::before {
  content: "Result";
  display: block;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .3rem;
}
.wt-calc .wt-result strong {
  color: var(--ink);
  font-family: var(--serif);
  font-variation-settings: "opsz" 144, "wght" 500, "SOFT" 20;
  font-size: var(--step-5);
  line-height: 1;
  display: block;
  margin-bottom: .35rem;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.wt-calc .wt-result > span { color: var(--ink-muted); font-size: .95rem; }
.wt-calc .wt-result .wt-extra {
  display: block;
  margin-top: .55rem;
  color: var(--good);
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

/* Formula — footnote/marginalia treatment */
.wt-calc .wt-formula {
  background: transparent;
  border: 0;
  border-left: 2px solid var(--accent);
  padding: .1rem 0 .1rem 1rem;
  margin: 1.5rem 0;
  font-size: .9rem;
  color: var(--ink-muted);
  font-family: var(--sans);
  border-radius: 0;
}
.wt-calc .wt-formula strong {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-right: .5rem;
  font-weight: 500;
}
.wt-calc .wt-formula code {
  background: transparent;
  padding: 0;
  font-family: var(--mono);
  color: var(--ink);
  font-size: .95rem;
}

/* Ad slot — quiet placeholder that reads as "ad" without shouting */
.wt-calc .wt-ad {
  margin: 1.5rem 0;
  text-align: center;
  min-height: 90px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  border: 1px dashed var(--rule);
  border-radius: var(--radius);
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* FAQ — editorial section */
.wt-calc .wt-faq { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); }
.wt-calc .wt-faq h3 {
  font-family: var(--serif);
  font-variation-settings: "SOFT" 30, "opsz" 30, "wght" 500;
  font-size: 1.3rem;
  color: var(--ink);
  margin: 1.25rem 0 .35rem;
  line-height: 1.2;
}
.wt-calc .wt-faq p { color: var(--ink-2); font-size: 1rem; line-height: 1.6; max-width: var(--measure); }

/* Tool-specific bits (UTM, ad tag, link preview, shortener) */
.wt-calc .wt-tool-output {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: .95rem 1.1rem;
  font-family: var(--mono);
  font-size: .92rem;
  word-break: break-all;
  line-height: 1.5;
  min-height: 2.5rem;
  color: var(--ink);
}
.wt-calc .wt-row-btn { display: flex; gap: .5rem; margin-top: 1rem; }
.wt-calc .wt-row-btn button { flex: 1; margin-top: 0; }
.wt-calc .wt-btn-secondary { background: transparent !important; color: var(--ink) !important; border: 1px solid var(--rule) !important; }
.wt-calc .wt-btn-secondary:hover { background: var(--paper-2) !important; color: var(--ink) !important; border-color: var(--ink-muted) !important; }
.wt-calc .wt-copy-msg { color: var(--good); font-family: var(--mono); font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; margin-left: .5rem; }
.wt-calc .wt-tagbox { width: 100%; min-height: 140px; padding: .85rem 1rem; font-family: var(--mono); font-size: .85rem; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--paper); resize: vertical; color: var(--ink); }
.wt-calc .wt-tagbox:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.wt-calc .wt-iframe-wrap { background: var(--paper-2); border: 1px solid var(--rule); border-radius: var(--radius); padding: 1rem; margin-top: 1rem; text-align: center; overflow: auto; }
.wt-calc .wt-iframe-wrap iframe { border: 1px solid var(--rule); background: var(--paper); }
.wt-calc .wt-meta-row { display: flex; gap: .75rem; margin-top: .75rem; }
.wt-calc .wt-meta-row > div { flex: 1; }
@media (max-width: 520px) { .wt-calc .wt-meta-row { flex-direction: column; } }
.wt-calc .wt-social-tabs { display: flex; gap: 0; margin: 1.5rem 0 1rem; border-bottom: 1px solid var(--rule); }
.wt-calc .wt-social-tabs button {
  width: auto; flex: 0 0 auto; margin: 0;
  padding: .6rem 1.1rem;
  background: transparent; color: var(--ink-muted);
  border: 0; border-radius: 0;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.wt-calc .wt-social-tabs button.active { color: var(--accent); border-bottom-color: var(--accent); }
.wt-calc .wt-social-tabs button:hover { color: var(--ink); background: transparent; }
.wt-calc .wt-social-card { background: var(--paper); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; max-width: 520px; margin: 0 auto; }
.wt-calc .wt-social-card img { width: 100%; display: block; aspect-ratio: 1.91/1; object-fit: cover; background: var(--paper-2); }
.wt-calc .wt-social-card .wt-sc-body { padding: .9rem 1.1rem; }
.wt-calc .wt-social-card .wt-sc-domain { color: var(--ink-muted); font-family: var(--mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: .35rem; }
.wt-calc .wt-social-card .wt-sc-title { font-family: var(--serif); font-variation-settings: "opsz" 24, "wght" 500; font-weight: 500; color: var(--ink); margin: 0 0 .4rem; font-size: 1.1rem; line-height: 1.25; }
.wt-calc .wt-social-card .wt-sc-desc { color: var(--ink-muted); font-size: .9rem; margin: 0; line-height: 1.45; }
.wt-calc .wt-spinner { display: inline-block; width: 12px; height: 12px; border: 2px solid var(--rule); border-top-color: var(--accent); border-radius: 50%; animation: wtspin 0.8s linear infinite; vertical-align: middle; margin-right: .5rem; }
@keyframes wtspin { to { transform: rotate(360deg); } }

/* ---------- CALCULATOR INDEX — table of contents layout ---------- */
.wt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0;
  margin: 1rem 0;
  border-top: 1px solid var(--rule);
}
.wt-grid a.wt-tile {
  display: flex;
  flex-direction: column;
  padding: 1rem 1.1rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  background: var(--paper-3);
  transition: background .12s;
}
.wt-grid a.wt-tile:nth-child(4n) { border-right: 0; }
.wt-grid a.wt-tile:hover { background: var(--paper-2); }
.wt-grid a.wt-tile:hover .wt-tile-title { color: var(--accent); }
.wt-grid .wt-tile-cat {
  display: inline-block;
  font-family: var(--mono);
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink-muted);
  margin-bottom: .35rem;
}
.wt-grid .wt-tile-title { font-family: var(--serif); font-variation-settings: "opsz" 24, "wght" 500; font-size: 1.05rem; margin: 0 0 .2rem; color: var(--ink); transition: color .12s; }
.wt-grid .wt-tile-desc { color: var(--ink-muted); font-size: .82rem; margin: 0; line-height: 1.4; }


/* ---------- HOMEPAGE LAYOUT STYLES ---------- */
/* Homepage-scoped styles (not part of the calculator drop-in) */
  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; }
  body {
    margin: 0;
    font-family: var(--sans);
    font-feature-settings: "ss01","cv11";
    background: var(--paper);
    color: var(--ink);
    line-height: 1.55;
  }
  a { color: inherit; }

  /* ---------- MASTHEAD ---------- */
  .demo-strip {
    background: var(--ink);
    color: var(--paper);
    font-family: var(--mono);
    font-size: .7rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    text-align: center;
    padding: .5rem 1rem;
  }
  .masthead {
    border-bottom: 1px solid var(--rule);
    background: var(--paper);
    position: sticky; top: 0; z-index: 50;
  }
  .masthead-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 2rem;
  }
  .nameplate {
    display: flex;
    align-items: baseline;
    gap: .9rem;
    text-decoration: none;
    color: var(--ink);
  }
  .nameplate-mark {
    font-family: var(--serif);
    font-variation-settings: "opsz" 144, "wght" 600, "SOFT" 20;
    font-size: 1.85rem;
    line-height: 1;
    letter-spacing: -0.02em;
  }
  .nameplate-mark em { font-style: italic; font-weight: 400; color: var(--accent); }
  .nameplate-meta {
    font-family: var(--mono);
    font-size: .68rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--ink-muted);
    line-height: 1.3;
    border-left: 1px solid var(--rule);
    padding-left: .9rem;
  }
  @media (max-width: 700px) { .nameplate-meta { display: none; } }
  .nav {
    display: flex;
    gap: 1.6rem;
    justify-content: flex-end;
    align-items: center;
  }
  .nav a {
    text-decoration: none;
    color: var(--ink-2);
    font-family: var(--mono);
    font-size: .78rem;
    letter-spacing: .09em;
    text-transform: uppercase;
    font-weight: 500;
    padding-bottom: 2px;
    border-bottom: 1px solid transparent;
    transition: border-color .12s;
  }
  .nav a:hover, .nav a.active { border-bottom-color: var(--accent); color: var(--ink); }
  .theme-toggle {
    background: transparent;
    border: 1px solid var(--rule);
    padding: .35rem .5rem;
    font-size: .8rem;
    cursor: pointer;
    border-radius: var(--radius);
    color: var(--ink);
    margin-left: .3rem;
  }
  .theme-toggle:hover { background: var(--paper-2); }
  @media (max-width: 640px) {
    .masthead-inner { grid-template-columns: 1fr; gap: 1rem; padding: .8rem 1rem; }
    .nav { justify-content: flex-start; gap: 1rem; flex-wrap: wrap; }
    .nav a { font-size: .72rem; }
    .nameplate-mark { font-size: 1.5rem; }
  }

  /* ---------- LAYOUT ---------- */
  .wrap { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem; }
  .measure { max-width: 640px; }

  /* ---------- HERO ---------- */
  .hero { padding: 5.5rem 1.5rem 4.5rem; position: relative; }
  .hero-eyebrow {
    font-family: var(--mono);
    font-size: .72rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.5rem;
    display: inline-flex;
    align-items: center;
    gap: .6rem;
  }
  .hero-eyebrow::before {
    content: "";
    display: inline-block;
    width: 24px; height: 1px;
    background: var(--accent);
  }
  .hero h1 {
    font-family: var(--serif);
    font-variation-settings: "opsz" 144, "wght" 500, "SOFT" 30;
    font-size: clamp(2.5rem, 8vw, var(--step-6));
    line-height: 0.98;
    letter-spacing: -0.035em;
    margin: 0 0 1.5rem;
    max-width: 14ch;
    color: var(--ink);
    text-wrap: balance;
  }
  .hero h1 em {
    font-family: var(--serif);
    font-style: italic;
    font-variation-settings: "opsz" 144, "wght" 400, "SOFT" 100;
    color: var(--accent);
  }
  .hero-lede {
    font-family: var(--serif);
    font-variation-settings: "opsz" 20, "wght" 400, "SOFT" 30;
    font-size: 1.35rem;
    line-height: 1.45;
    color: var(--ink-2);
    max-width: 42ch;
    margin: 0 0 2.25rem;
    text-wrap: balance;
  }
  .hero-cta {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    background: var(--ink);
    color: var(--paper);
    padding: .85rem 1.4rem;
    text-decoration: none;
    font-family: var(--sans);
    font-weight: 500;
    font-size: .95rem;
    border-radius: var(--radius);
    transition: background .15s;
  }
  .hero-cta::after { content: "→"; font-family: var(--mono); }
  .hero-cta:hover { background: var(--accent); }
  .hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--rule);
    flex-wrap: wrap;
  }
  .stat { display: flex; flex-direction: column; gap: .25rem; }
  .stat-n {
    font-family: var(--serif);
    font-variation-settings: "opsz" 96, "wght" 500;
    font-size: 2.5rem;
    line-height: 1;
    color: var(--ink);
    font-variant-numeric: tabular-nums;
  }
  .stat-l {
    font-family: var(--mono);
    font-size: .72rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }

  /* ---------- SECTION ---------- */
  .section { padding: 4.5rem 1.5rem; border-top: 1px solid var(--rule); }
  .section-head {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: end;
    gap: 2rem;
    margin-bottom: 2.5rem;
  }
  .section-title {
    font-family: var(--serif);
    font-variation-settings: "opsz" 96, "wght" 500, "SOFT" 30;
    font-size: var(--step-4);
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin: 0;
    color: var(--ink);
  }
  .section-meta {
    font-family: var(--mono);
    font-size: .72rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--ink-muted);
    text-align: right;
    line-height: 1.4;
  }
  .section-meta strong { color: var(--accent); font-weight: 400; }
  @media (max-width: 640px) {
    .section-head { grid-template-columns: 1fr; gap: .5rem; }
    .section-meta { text-align: left; }
  }

  /* ---------- ISSUE / BLOG LIST — newspaper mixed sizes ---------- */
  .issue-list { display: grid; gap: 0; border-top: 1px solid var(--rule); }
  .issue-item {
    display: grid;
    grid-template-columns: 3rem 1fr auto;
    gap: 1.5rem;
    padding: 1.75rem 0;
    border-bottom: 1px solid var(--rule);
    cursor: pointer;
    align-items: baseline;
    text-decoration: none;
    color: var(--ink);
    transition: background .12s;
  }
  .issue-item:hover { background: var(--paper-3); }
  .issue-item:hover .issue-title { color: var(--accent); }
  .issue-num {
    font-family: var(--mono);
    font-size: .78rem;
    letter-spacing: .1em;
    color: var(--ink-muted);
    padding-left: .5rem;
  }
  .issue-body { display: flex; flex-direction: column; gap: .35rem; }
  .issue-title {
    font-family: var(--serif);
    font-variation-settings: "opsz" 40, "wght" 500, "SOFT" 20;
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    line-height: 1.15;
    margin: 0;
    color: var(--ink);
    text-wrap: balance;
    transition: color .12s;
  }
  .issue-dek { color: var(--ink-muted); font-size: 1rem; line-height: 1.5; margin: 0; max-width: 65ch; }
  .issue-meta {
    font-family: var(--mono);
    font-size: .7rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ink-muted);
    text-align: right;
    line-height: 1.5;
    white-space: nowrap;
  }
  @media (max-width: 640px) {
    .issue-item { grid-template-columns: 2rem 1fr; }
    .issue-meta { grid-column: 2; text-align: left; margin-top: .3rem; }
  }

  /* ---------- CALCULATOR INDEX ---------- */
  .index-group { margin-bottom: 2.5rem; }
  .index-label {
    font-family: var(--mono);
    font-size: .72rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: .8rem;
  }
  .index-label::after { content: ""; flex: 1; height: 1px; background: var(--rule); }
  .index-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0;
    border-top: 1px solid var(--rule);
  }
  .index-item {
    display: block;
    padding: .9rem 1rem;
    color: var(--ink);
    text-decoration: none;
    border-bottom: 1px solid var(--rule);
    border-right: 1px solid var(--rule);
    font-family: var(--sans);
    font-size: .95rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    transition: background .12s;
  }
  .index-item:hover { background: var(--paper-3); }
  .index-item:hover .index-name { color: var(--accent); }
  .index-name { font-weight: 500; }
  .index-arrow { color: var(--ink-muted); font-family: var(--mono); font-size: .8rem; }
  .index-item:hover .index-arrow { color: var(--accent); }

  /* ---------- METHOD (about stub) ---------- */
  .method {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
  }
  @media (max-width: 800px) { .method { grid-template-columns: 1fr; gap: 2rem; } }
  .method-body { max-width: 55ch; }
  .method-body p {
    font-family: var(--serif);
    font-variation-settings: "opsz" 20, "wght" 400, "SOFT" 30;
    font-size: 1.15rem;
    line-height: 1.6;
    color: var(--ink-2);
    margin: 0 0 1.25rem;
  }
  .method-body p:first-of-type::first-letter {
    font-size: 4rem;
    line-height: 0.85;
    float: left;
    font-weight: 500;
    padding: .3rem .5rem 0 0;
    font-variation-settings: "opsz" 144, "wght" 500;
    color: var(--accent);
  }
  .method-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--rule); }
  .method-list li {
    display: grid;
    grid-template-columns: 3rem 1fr;
    padding: 1rem 0;
    border-bottom: 1px solid var(--rule);
    gap: 1rem;
    list-style: none;
    align-items: baseline;
  }
  .method-list ol, .method-list ul { padding: 0; margin: 0; }
  .method-list-n { font-family: var(--mono); font-size: .78rem; letter-spacing: .1em; color: var(--accent); }
  .method-list-t { color: var(--ink-2); font-size: .95rem; line-height: 1.5; }
  .method-list-t strong { color: var(--ink); font-weight: 600; }

  /* ---------- NEWSLETTER ---------- */
  .newsletter {
    background: var(--paper-2);
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    padding: 5rem 0;
    margin-top: 0;
  }
  .newsletter-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
  @media (max-width: 800px) { .newsletter-inner { grid-template-columns: 1fr; gap: 2rem; } }
  .newsletter h2 {
    font-family: var(--serif);
    font-variation-settings: "opsz" 96, "wght" 500, "SOFT" 30;
    font-size: var(--step-4);
    line-height: 1.05;
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
    color: var(--ink);
    text-wrap: balance;
  }
  .newsletter h2 em { font-style: italic; color: var(--accent); }
  .newsletter p { color: var(--ink-2); font-size: 1.05rem; line-height: 1.55; margin: 0 0 1.5rem; max-width: 40ch; }
  .newsletter-form { display: flex; gap: .5rem; flex-wrap: wrap; }
  .newsletter-form input {
    flex: 1 1 220px;
    padding: .95rem 1.1rem;
    font-family: var(--mono);
    font-size: .95rem;
    border: 1px solid var(--ink);
    border-radius: var(--radius);
    background: var(--paper);
    color: var(--ink);
    -webkit-appearance: none; appearance: none;
  }
  .newsletter-form input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
  .newsletter-form button {
    background: var(--ink);
    color: var(--paper);
    border: 0;
    padding: .95rem 1.4rem;
    font-family: var(--sans);
    font-weight: 500;
    font-size: .95rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background .12s;
  }
  .newsletter-form button:hover { background: var(--accent); }
  .newsletter-fine { margin-top: 1rem; font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-muted); }
  .newsletter-success {
    display: none;
    background: var(--good-bg);
    color: var(--good);
    padding: 1rem 1.15rem;
    border-radius: var(--radius);
    margin-top: 1rem;
    font-family: var(--mono);
    font-size: .8rem;
    letter-spacing: .05em;
    text-transform: uppercase;
  }

  /* ---------- COLOPHON FOOTER ---------- */
  .colophon {
    padding: 3rem 0;
    color: var(--ink-muted);
    font-family: var(--mono);
    font-size: .72rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    background: var(--paper);
  }
  .colophon-inner { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
  .colophon a { color: var(--accent); text-decoration: none; }
  .colophon a:hover { text-decoration: underline; }

  /* ---------- PAGE-LEVEL AD SLOTS ----------
     Editorial treatment: hairline rules, mono "Advertisement" label,
     never in accent color (AdSense policy: ads must not look like content). */
  .wt-page-ad {
    margin: 3rem auto;
    max-width: 970px;
    padding: 1.5rem 0;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    text-align: center;
  }
  .wt-page-ad .wt-ad-label {
    font-family: var(--mono);
    font-size: .68rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-bottom: 1rem;
  }
  .wt-page-ad .wt-ad-slot {
    min-height: 90px;
    display: flex; align-items: center; justify-content: center;
    background: var(--paper-3);
    border: 1px dashed var(--rule);
    border-radius: var(--radius);
    color: var(--ink-muted);
    font-family: var(--mono);
    font-size: .72rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: .5rem;
  }
  .wt-page-ad .wt-ad-slot ins { display: block; }
  .wt-page-ad.wt-ad-billboard .wt-ad-slot { min-height: 250px; }
  .wt-page-ad.wt-ad-inline { margin: 2.25rem 0; }

  /* ---------- VIEWS (SPA-lite) ---------- */
  .view { display: none; animation: fadeIn .3s ease; }
  .view.active { display: block; }
  @keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

  /* Calculators view */
  .calc-page-head {
    padding: 4rem 0 2.5rem;
    border-bottom: 1px solid var(--rule);
  }
  .calc-page-head .eyebrow {
    font-family: var(--mono);
    font-size: .72rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
  }
  .calc-page-head h1 {
    font-family: var(--serif);
    font-variation-settings: "opsz" 144, "wght" 500, "SOFT" 30;
    font-size: clamp(2rem, 5vw, var(--step-5));
    line-height: 1;
    letter-spacing: -0.03em;
    margin: 0 0 1rem;
    max-width: 22ch;
    text-wrap: balance;
  }
  .calc-page-head p {
    color: var(--ink-muted);
    font-size: 1.1rem;
    max-width: 55ch;
    margin: 0;
    font-family: var(--serif);
    font-variation-settings: "opsz" 20, "wght" 400;
  }
  .calc-picker {
    margin: 2rem 0 3rem;
    padding: 1.25rem 0;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    align-items: center;
  }
  @media (max-width: 640px) { .calc-picker { grid-template-columns: 1fr; gap: .5rem; } }
  .calc-picker label {
    font-family: var(--mono);
    font-size: .72rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }
  .calc-picker select {
    font-family: var(--mono);
    font-size: .95rem;
    padding: .7rem .9rem;
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    background: var(--paper);
    color: var(--ink);
    width: 100%;
    -webkit-appearance: none; 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'><path d='M1 1l5 5 5-5' stroke='%23565A67' fill='none' stroke-width='1.5'/></svg>");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
  }
  .calc-picker select:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
  #calc-container { padding: 2rem 0 4rem; }

  /* Blog view */
  .post-back {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: 1.5rem 0 0;
    color: var(--accent);
    font-family: var(--mono);
    font-size: .78rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    text-decoration: none;
    font-weight: 500;
  }
  .post-back:hover { text-decoration: underline; }
  #blog-post {
    padding: 3rem 0 5rem;
    max-width: 700px;
    margin: 0 auto;
  }
  #blog-post .post-meta {
    display: inline-block;
    font-family: var(--mono);
    font-size: .72rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
  }
  #blog-post h1 {
    font-family: var(--serif);
    font-variation-settings: "opsz" 144, "wght" 500, "SOFT" 30;
    font-size: clamp(2rem, 5vw, 3.25rem);
    line-height: 1.05;
    letter-spacing: -0.025em;
    margin: 0 0 2rem;
    text-wrap: balance;
  }
  #blog-post .body {
    font-family: var(--serif);
    font-variation-settings: "opsz" 15, "wght" 400;
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--ink);
  }
  #blog-post .body p { margin: 0 0 1.35rem; }
  #blog-post .body h2 {
    font-family: var(--serif);
    font-variation-settings: "opsz" 60, "wght" 500, "SOFT" 30;
    font-size: 1.75rem;
    line-height: 1.15;
    margin: 2.5rem 0 1rem;
    letter-spacing: -0.015em;
  }
  #blog-post .body h3 {
    font-family: var(--serif);
    font-variation-settings: "opsz" 30, "wght" 500;
    font-size: 1.35rem;
    line-height: 1.2;
    margin: 2rem 0 .75rem;
  }
  #blog-post .body ul, #blog-post .body ol { padding-left: 1.5rem; margin: 0 0 1.35rem; }
  #blog-post .body li { margin-bottom: .5rem; }
  #blog-post .body code {
    font-family: var(--mono);
    background: var(--paper-2);
    padding: .1em .35em;
    border-radius: 3px;
    font-size: .92em;
    color: var(--accent-2);
  }
  #blog-post .body pre {
    background: var(--paper-2);
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    overflow-x: auto;
    font-family: var(--mono);
    font-size: .88rem;
    line-height: 1.55;
    border-left: 3px solid var(--accent);
  }
  #blog-post .body pre code { background: transparent; padding: 0; color: var(--ink); }
  #blog-post .body blockquote {
    border-left: 3px solid var(--accent);
    padding: .5rem 0 .5rem 1.25rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--ink-muted);
  }
  #blog-post .body a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
  #blog-post .body table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-family: var(--sans); font-size: .95rem; }
  #blog-post .body th { text-align: left; font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-muted); border-bottom: 1px solid var(--rule); padding: .6rem .5rem; }
  #blog-post .body td { padding: .65rem .5rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
  #blog-post .body hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

  /* About view */
  #view-about .measure { max-width: 640px; margin: 4rem auto 5rem; }
  #view-about h1 {
    font-family: var(--serif);
    font-variation-settings: "opsz" 144, "wght" 500, "SOFT" 30;
    font-size: clamp(2rem, 5vw, 3.25rem);
    line-height: 1;
    letter-spacing: -0.03em;
    margin: 0 0 2rem;
  }
  #view-about .lede {
    font-family: var(--serif);
    font-variation-settings: "opsz" 24, "wght" 400, "SOFT" 30;
    font-size: 1.4rem;
    line-height: 1.5;
    color: var(--ink-2);
    margin: 0 0 2rem;
    max-width: 42ch;
  }
  #view-about h2 {
    font-family: var(--serif);
    font-variation-settings: "opsz" 40, "wght" 500";
    font-size: 1.4rem;
    margin: 2.5rem 0 .75rem;
    color: var(--ink);
  }
  #view-about p {
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--ink-2);
    margin: 0 0 1.25rem;
  }
  #view-about ul { padding-left: 1.25rem; color: var(--ink-2); }
  #view-about a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
  #view-about blockquote {
    font-family: var(--serif);
    font-variation-settings: "opsz" 30, "wght" 400";
    font-size: 1.3rem;
    line-height: 1.45;
    font-style: italic;
    color: var(--ink);
    border-left: 3px solid var(--accent);
    padding: .25rem 0 .25rem 1.25rem;
    margin: 2rem 0;
    text-wrap: balance;
  }

  /* Videos view */
  #view-videos .measure { max-width: 1000px; margin: 4rem auto 5rem; }
  .video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
  .video-card {
    text-decoration: none;
    color: var(--ink);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--paper-3);
    display: block;
    transition: transform .12s, background .12s;
  }
  .video-card:hover { background: var(--paper-2); transform: translateY(-2px); }
  .video-thumb {
    background: var(--ink);
    color: var(--paper-2);
    aspect-ratio: 16/9;
    display: flex; align-items: center; justify-content: center;
    font-size: 2.5rem;
    font-family: var(--mono);
  }
  .video-info { padding: 1rem 1.15rem; }
  .video-info h4 { font-family: var(--serif); font-variation-settings: "opsz" 30, "wght" 500; font-size: 1.05rem; margin: 0 0 .35rem; line-height: 1.25; }
  .video-info p { color: var(--ink-muted); font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; margin: 0; }