/* keliuotis.io - single stylesheet
   Swiss grotesque · near-black ink on cool near-white · clearance-green accent
   Structure carried by hairline rules, not cards or shadows. */

@layer tokens, base, components, utilities;

@layer tokens {
  :root {
    /* color - restrained strategy: tinted neutrals + one accent */
    --paper: oklch(95.8% 0.014 245);
    --paper-raised: oklch(99.5% 0.003 245);
    --paper-sunken: oklch(93.9% 0.012 245);
    --ink: oklch(21% 0.012 260);
    --ink-soft: oklch(33% 0.012 260);
    --muted: oklch(43% 0.014 260);
    --line: oklch(87.5% 0.01 245);
    --line-strong: oklch(72% 0.014 245);
    --green: oklch(52% 0.12 155);
    --green-deep: oklch(41% 0.105 156);
    --green-tint: oklch(94.5% 0.026 155);
    --red-deep: oklch(45% 0.155 27);
    --panel-ink: oklch(20% 0.016 260);
    --paper-on-ink: oklch(95.5% 0.004 260);
    --muted-on-ink: oklch(76% 0.012 260);

    /* type */
    --font-display: "Archivo", -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --font-body: "Inter", -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;

    /* rhythm */
    --shell: 1200px;
    --gutter: clamp(1.25rem, 4vw, 2.5rem);
    --section-pad: clamp(3.25rem, 6.5vw, 5.5rem);

    /* motion */
    --speed-fast: 160ms;
    --speed: 220ms;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

    /* z-scale */
    --z-header: 10;
    --z-skip: 20;
  }
}

@layer base {
  *, *::before, *::after { box-sizing: border-box; }

  html {
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
  }

  body {
    margin: 0;
    background:
      radial-gradient(115rem 75rem at 88% -20rem, oklch(99.4% 0.005 240), transparent 68%),
      radial-gradient(105rem 75rem at -22% 58rem, oklch(91% 0.034 250 / 0.85), transparent 64%),
      radial-gradient(95rem 65rem at 115% 100%, oklch(92% 0.03 250 / 0.75), transparent 62%),
      var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.65;
    font-optical-sizing: auto;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.06;
    letter-spacing: -0.022em;
    text-wrap: balance;
    margin: 0;
  }

  p { margin: 0; text-wrap: pretty; }

  a { color: inherit; }

  ::selection { background: var(--green-tint); color: var(--green-deep); }

  :focus-visible {
    outline: 2px solid var(--green-deep);
    outline-offset: 3px;
    border-radius: 1px;
  }

  .num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }

  .nowrap { white-space: nowrap; }

  .shell {
    max-width: var(--shell);
    margin-inline: auto;
    padding-inline: var(--gutter);
  }

  .shell-narrow { max-width: 52rem; }

  .skip-link {
    position: fixed;
    top: 0.75rem; left: 0.75rem;
    z-index: var(--z-skip);
    background: var(--ink);
    color: var(--paper-on-ink);
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    text-decoration: none;
    transform: translateY(-300%);
  }
  .skip-link:focus { transform: none; }
}

@layer components {

  /* ─ header ─ */
  .site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background: color-mix(in oklch, var(--paper) 88%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--speed) var(--ease-out);
  }
  .site-header.is-scrolled { border-bottom-color: var(--line); }

  .header-row {
    display: flex;
    align-items: center;
    gap: 2rem;
    height: 4.25rem;
  }

  .wordmark {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.35rem;
    letter-spacing: -0.01em;
    text-decoration: none;
    color: var(--ink);
    margin: 0;
  }
  .wordmark .tld { color: var(--green-deep); }

  .site-nav {
    display: flex;
    gap: 1.75rem;
    margin-left: auto;
    font-size: 0.95rem;
  }
  .site-nav a {
    position: relative;
    text-decoration: none;
    color: var(--ink-soft);
    transition: color var(--speed-fast) var(--ease-out);
  }
  .site-nav a:hover { color: var(--ink); }
  .site-nav a::after {
    content: "";
    position: absolute;
    inset: auto 0 -0.4em 0;
    height: 1px;
    background: var(--green-deep);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--speed) var(--ease-out);
  }
  .site-nav a:hover::after,
  .site-nav a:focus-visible::after { transform: scaleX(1); }
  .site-nav a[aria-current="page"] { color: var(--ink); }

  /* ─ buttons ─ */
  .btn {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    padding: 0.9rem 1.5rem;
    border-radius: 2px;
    transition: background-color var(--speed-fast) var(--ease-out),
                color var(--speed-fast) var(--ease-out);
  }
  .btn-primary { background: var(--green-deep); color: white; }
  .btn-primary:hover { background: oklch(34% 0.095 156); }
  .btn-compact { padding: 0.65rem 1.1rem; font-size: 0.92rem; }
  .btn-large { padding: 1.1rem 2rem; font-size: 1.1rem; }
  .btn-inverse { background: var(--paper-on-ink); color: var(--ink); }
  .btn-inverse:hover { background: white; }

  .link-arrow {
    font-weight: 500;
    color: var(--ink-soft);
    text-decoration: none;
    border-bottom: 1px solid var(--line-strong);
    padding-bottom: 2px;
    transition: color var(--speed-fast) var(--ease-out),
                border-color var(--speed-fast) var(--ease-out);
  }
  .link-arrow:hover { color: var(--green-deep); border-color: var(--green-deep); }

  /* ─ 1 · hero ─ */
  .hero {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2.5rem, 6vw, 5.5rem);
    align-items: start;
    padding-block: clamp(1.75rem, 3.5vw, 3rem) clamp(3.25rem, 6.5vw, 5.5rem);
  }

  .hero h1 {
    font-size: clamp(2.4rem, 1rem + 4.2vw, 4rem);
  }

  .hero-sub {
    margin-top: 1.5rem;
    font-size: 1.15rem;
    color: var(--ink-soft);
    max-width: 34rem;
  }

  .hero-actions {
    margin-top: 2.25rem;
    display: flex;
    align-items: center;
    gap: 1.75rem;
    flex-wrap: wrap;
  }

  /* hero visual: portrait with the questionnaire panel overlapping it,
     top-aligned with the headline cap height */
  .hero-visual { position: relative; margin-top: 0.25rem; }
  .hero-photo {
    display: block;
    width: 64%;
    margin-left: auto;
    height: auto;
    border: 1px solid var(--line);
  }

  /* hero questionnaire panel */
  .q-panel {
    position: relative;
    margin: -34% 10% 0 0;
    width: 82%;
    background: var(--paper-raised);
    border: 1px solid var(--line);
    font-size: 0.92rem;
  }
  .q-head {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid var(--line);
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--ink-soft);
  }
  .q-count { color: var(--green-deep); }
  .q-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .q-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.8rem 1.1rem;
    border-bottom: 1px solid var(--line);
  }
  .q-id {
    color: var(--muted);
    font-size: 0.8rem;
    flex-shrink: 0;
    width: 3.2em;
  }
  .q-text { color: var(--ink-soft); flex: 1; }
  .q-mark {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
    color: var(--green);
    opacity: 0;
    transform: scale(0.6);
  }
  .q-item.is-cleared .q-mark {
    opacity: 1;
    transform: none;
    transition: opacity var(--speed) var(--ease-out),
                transform var(--speed) var(--ease-out);
  }
  .q-item:not(.is-cleared) .q-text { color: var(--muted); }
  .q-foot {
    padding: 0.85rem 1.1rem;
    font-size: 0.85rem;
    color: var(--muted);
  }
  .q-foot strong {
    color: var(--green-deep);
    font-weight: 600;
    transition: color var(--speed) var(--ease-out);
  }
  .q-foot strong.is-risk { color: var(--red-deep); }

  /* ─ 2 · problem ─ */
  .problem {
    border-top: 1px solid var(--line);
    padding-block: var(--section-pad);
  }
  .problem h2 { font-size: clamp(1.9rem, 1.1rem + 2.6vw, 3rem); }
  .beats {
    margin-top: clamp(2.5rem, 6vw, 4.5rem);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0 clamp(2rem, 4vw, 3.5rem);
  }
  .beat { border-top: 1px solid var(--line-strong); padding-top: 1.5rem; }
  .beat h3 { font-size: 1.45rem; }
  .beat p { margin-top: 0.85rem; color: var(--ink-soft); font-size: 1rem; }

  /* ─ 3 · reframe ─ */
  .reframe {
    padding-block: var(--section-pad);
    border-top: 1px solid var(--line);
    text-align: center;
  }
  .reframe-statement {
    font-family: var(--font-display);
    font-size: clamp(2rem, 1rem + 3.4vw, 3.4rem);
    line-height: 1.12;
    letter-spacing: -0.015em;
    text-wrap: balance;
  }
  .reframe-statement em {
    font-style: normal;
    color: var(--green-deep);
  }
  .reframe-body {
    margin: 2rem auto 0;
    max-width: 40rem;
    color: var(--ink-soft);
    text-align: left;
  }

  /* ─ 4 · frameworks ─ */
  .frameworks {
    border-top: 1px solid var(--line);
    padding-block: clamp(3.25rem, 6.5vw, 5.5rem);
  }
  .frameworks > .shell > h2 { font-size: clamp(1.9rem, 1.1rem + 2.6vw, 3rem); }

  .fw-head { max-width: 44rem; }
  .fw-head h3 { font-size: clamp(1.5rem, 1rem + 1.6vw, 2.1rem); }
  .fw-head p { margin-top: 0.9rem; color: var(--ink-soft); }

  .translator { margin-top: clamp(2.5rem, 5vw, 4rem); }

  .tr-ledger { margin-top: 1.75rem; }
  .tr-cols {
    display: grid;
    grid-template-columns: 1fr 3.5rem 1fr;
    gap: 0 1.25rem;
    padding-bottom: 0.7rem;
    border-bottom: 1px solid var(--ink);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--muted);
  }
  .tr-cols span:last-child { grid-column: 3; color: var(--green-deep); }

  .tr-rows { list-style: none; margin: 0; padding: 0; }
  .tr-row {
    display: grid;
    grid-template-columns: 1fr 3.5rem 1fr;
    gap: 0 1.25rem;
    align-items: center;
    padding-block: 1.1rem;
    border-bottom: 1px solid var(--line);
    position: relative;
  }
  .tr-src {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 1.05rem;
    color: var(--ink-soft);
    transition: color var(--speed) var(--ease-out);
  }
  .tr-arrow {
    justify-self: center;
    width: 1.6rem;
    color: var(--line-strong);
    transition: color var(--speed) var(--ease-out),
                transform var(--speed) var(--ease-out);
  }
  .tr-arrow svg { display: block; width: 100%; }
  .tr-dst {
    font-size: 1rem;
    color: var(--ink-soft);
    padding: 0.6rem 0.8rem;
    margin: -0.6rem -0.8rem;
    border-radius: 2px;
    transition: color var(--speed) var(--ease-out),
                background-color var(--speed) var(--ease-out);
  }
  .tr-row:hover .tr-src { color: var(--ink); }
  .tr-row:hover .tr-arrow { color: var(--green); transform: translateX(4px); }
  .tr-row:hover .tr-dst { background: var(--green-tint); color: var(--ink); }

  .tr-note {
    margin-top: 1.5rem;
    font-size: 0.95rem;
    color: var(--muted);
  }

  /* mvc */
  .mvc { margin-top: clamp(3rem, 6vw, 5rem); }
  .mvc-compare {
    margin-top: 2.25rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(1.5rem, 3vw, 2.5rem);
    align-items: start;
  }
  .mvc-col h4 {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin: 0;
    padding: 0.9rem 1.2rem;
  }
  .mvc-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .mvc-col li {
    padding: 0.85rem 1.2rem 0.85rem 2.9rem;
    border-top: 1px solid var(--line);
    position: relative;
    font-size: 0.98rem;
  }
  .mvc-col li::before {
    position: absolute;
    left: 1.2rem;
    font-weight: 600;
  }
  .mvc-sum {
    padding: 0.95rem 1.2rem;
    border-top: 1px solid var(--line);
    font-size: 0.88rem;
    font-weight: 500;
  }

  .mvc-bloat {
    border: 1px solid var(--line);
    background: var(--paper-sunken);
    color: var(--muted);
  }
  .mvc-bloat h4 { color: var(--muted); }
  .mvc-bloat li::before { content: "×"; color: var(--line-strong); }
  .mvc-bloat .mvc-sum { color: var(--muted); }

  .mvc-lean {
    border: 1px solid var(--green-deep);
    background: var(--paper-raised);
  }
  .mvc-lean h4 {
    color: var(--green-deep);
    background: var(--green-tint);
  }
  .mvc-lean li::before { content: "✓"; color: var(--green); }
  .mvc-lean .mvc-sum { color: var(--green-deep); border-color: var(--green-tint); }

  /* ─ 5 · engagement ─ */
  .engagement {
    border-top: 1px solid var(--line);
    padding-block: var(--section-pad);
  }
  .engagement h2 { font-size: clamp(1.9rem, 1.1rem + 2.6vw, 3rem); }
  .steps {
    list-style: none;
    margin: clamp(2.5rem, 6vw, 4rem) 0 0;
    padding: 0;
    max-width: 46rem;
  }
  .step {
    display: grid;
    grid-template-columns: 4.5rem 1fr;
    gap: 1.5rem;
    padding-block: 2rem;
    border-top: 1px solid var(--line);
  }
  .step-num {
    font-family: var(--font-display);
    font-size: 2.6rem;
    line-height: 1;
    color: var(--green-deep);
  }
  .step h3 { font-size: 1.45rem; }
  .step-meta {
    margin-top: 0.35rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--muted);
  }
  .step-body > p:last-child { margin-top: 0.8rem; color: var(--ink-soft); }

  /* ─ 6 · founder ─ */
  .founder {
    border-top: 1px solid var(--line);
    padding-block: var(--section-pad);
  }
  .founder-grid {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2.5rem, 6vw, 5.5rem);
    align-items: center;
  }
  .founder-figs {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
  }
  .founder-photo { margin: 0; }
  .founder-photo img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--line);
  }
  .founder-photo figcaption {
    margin-top: 0.8rem;
    font-size: 0.85rem;
    color: var(--muted);
  }
  .founder-body h2 { font-size: clamp(1.9rem, 1.1rem + 2.2vw, 2.8rem); }
  .founder-body > p {
    margin-top: 1.4rem;
    color: var(--ink-soft);
    max-width: 38rem;
  }
  .founder-meta {
    list-style: none;
    margin: 2.25rem 0 0;
    padding: 0;
    max-width: 38rem;
  }
  .founder-meta li {
    padding-block: 0.8rem;
    border-top: 1px solid var(--line);
    font-size: 0.95rem;
    color: var(--ink-soft);
  }
  .founder-meta li:last-child { border-bottom: 1px solid var(--line); }
  .founder-note {
    margin-top: 1.5rem;
    max-width: 38rem;
    font-size: 0.88rem;
    color: var(--muted);
  }
  .founder-links { margin-top: 1.75rem; }

  /* ─ 7 · dora ─ */
  .dora {
    background: var(--panel-ink);
    color: var(--paper-on-ink);
    padding-block: var(--section-pad);
  }
  .dora h2 { font-size: clamp(1.9rem, 1.1rem + 2.6vw, 3rem); }
  .dora p { margin-top: 1.5rem; color: var(--muted-on-ink); max-width: 42rem; }
  .dora .btn { margin-top: 0.5rem; }
  .dora-grid {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(2.5rem, 6vw, 5.5rem);
    align-items: center;
  }
  .dora-photo { margin: 0; }
  .dora-photo img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid oklch(38% 0.012 260);
  }

  /* ─ 8 · book ─ */
  .book {
    padding-block: var(--section-pad);
    text-align: center;
  }
  .book h2 { font-size: clamp(2.2rem, 1.2rem + 3.6vw, 3.8rem); }
  .book-actions {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
  }
  .book-face {
    display: block;
    width: 5.5rem;
    height: 5.5rem;
    border-radius: 2px;
    border: 1px solid var(--line);
    margin-bottom: 0.25rem;
  }
  .book-line { color: var(--ink-soft); }
  .book-line strong { color: var(--ink); font-weight: 600; }
  .book-alt { margin-top: 2.5rem; font-size: 0.95rem; color: var(--muted); }
  .book-alt a { color: var(--green-deep); }

  /* ─ insights: index ─ */
  .page-head { padding-block: clamp(2.25rem, 4.5vw, 3.75rem) 0; }
  .page-head h1 { font-size: clamp(2.2rem, 1.2rem + 3vw, 3.4rem); }
  .page-head > p {
    margin-top: 1.1rem;
    color: var(--ink-soft);
    max-width: 38rem;
  }

  .insights-index { padding-block: 0 var(--section-pad); }
  .post-list {
    list-style: none;
    margin: clamp(2.25rem, 4.5vw, 3.5rem) 0 0;
    padding: 0;
    border-top: 1px solid var(--ink);
  }
  .post-item { border-bottom: 1px solid var(--line); }
  .post-link {
    display: grid;
    grid-template-columns: 8.5rem 1fr 2.5rem;
    gap: 0 1.5rem;
    align-items: baseline;
    padding-block: 1.6rem;
    text-decoration: none;
  }
  .post-date {
    color: var(--muted);
    font-size: 0.88rem;
  }
  .post-link h2 {
    font-size: 1.4rem;
    transition: color var(--speed-fast) var(--ease-out);
  }
  .post-link .post-dek {
    grid-column: 2;
    margin-top: 0.55rem;
    color: var(--ink-soft);
    font-size: 1rem;
    max-width: 44rem;
  }
  .post-go {
    grid-row: 1;
    grid-column: 3;
    justify-self: end;
    width: 1.6rem;
    color: var(--line-strong);
    transition: color var(--speed) var(--ease-out),
                transform var(--speed) var(--ease-out);
  }
  .post-go svg { display: block; width: 100%; }
  .post-link:hover h2,
  .post-link:focus-visible h2 { color: var(--green-deep); }
  .post-link:hover .post-go { color: var(--green); transform: translateX(4px); }

  /* ─ insights: article ─ */
  .post { padding-block: clamp(2.25rem, 4.5vw, 3.75rem) var(--section-pad); }
  .post-back { font-size: 0.92rem; }
  .post-head { margin-top: clamp(1.75rem, 3.5vw, 2.75rem); }
  .post-meta {
    font-size: 0.88rem;
    color: var(--muted);
  }
  .post-head h1 {
    margin-top: 0.8rem;
    font-size: clamp(1.9rem, 1.1rem + 2.6vw, 3rem);
  }
  .post-dek-lead {
    margin-top: 1.2rem;
    font-size: 1.15rem;
    color: var(--ink-soft);
    max-width: 40rem;
  }
  .post-body { margin-top: clamp(2rem, 4vw, 2.75rem); max-width: 42rem; }
  .post-body p, .post-body ul, .post-body ol { margin-top: 1.15rem; color: var(--ink-soft); }
  .post-body ul, .post-body ol { padding-left: 1.3rem; }
  .post-body li { margin-top: 0.5rem; }
  .post-body li::marker { color: var(--muted); }
  .post-body h2 {
    margin-top: 2.75rem;
    font-size: 1.5rem;
  }
  .post-body h3 { margin-top: 2rem; font-size: 1.2rem; }
  .post-body a { color: var(--green-deep); }
  .post-body strong { color: var(--ink); font-weight: 600; }
  .post-body blockquote {
    margin: 1.75rem 0 0;
    padding-left: 1.25rem;
    border-left: 1px solid var(--line-strong);
    font-style: italic;
  }
  .post-body hr {
    border: none;
    border-top: 1px solid var(--line);
    margin: 2.5rem 0 0;
  }
  .post-evidence {
    margin-top: 1.5rem;
    border: 1px solid var(--line);
    background: var(--paper-raised);
    font-size: 0.95rem;
  }
  .post-evidence caption, .post-evidence-title {
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--ink-soft);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--line);
  }
  .post-evidence dl { margin: 0; padding: 0.35rem 0; }
  .post-evidence div {
    display: grid;
    grid-template-columns: 11rem 1fr;
    gap: 1rem;
    padding: 0.45rem 1rem;
  }
  .post-evidence dt { color: var(--muted); }
  .post-evidence dd { margin: 0; color: var(--ink-soft); }

  .post-author {
    margin-top: clamp(2.75rem, 5vw, 3.75rem);
    padding-block: 1.75rem;
    border-block: 1px solid var(--line);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
    max-width: 42rem;
  }
  .post-author img {
    width: 4rem;
    height: 4rem;
    border-radius: 2px;
    border: 1px solid var(--line);
  }
  .post-author-copy { flex: 1; min-width: 16rem; font-size: 0.95rem; color: var(--ink-soft); }
  .post-author-copy strong { color: var(--ink); font-weight: 600; }

  /* ─ footer ─ */
  .site-footer {
    border-top: 1px solid var(--line);
    padding-block: 2.75rem;
    font-size: 0.92rem;
  }
  .footer-row {
    display: flex;
    align-items: baseline;
    gap: 2.5rem;
    flex-wrap: wrap;
  }
  .footer-tag { color: var(--muted); margin-top: 0.3rem; }
  .footer-nav {
    display: flex;
    gap: 1.5rem;
    margin-left: auto;
  }
  .footer-nav a {
    color: var(--ink-soft);
    text-decoration: none;
  }
  .footer-nav a:hover { color: var(--ink); text-decoration: underline; }
  .footer-legal { color: var(--muted); }
}

@layer utilities {
  /* scroll reveal - enhances an already-visible default:
     opacity is only reduced when JS has confirmed it will restore it */
  .js .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 420ms var(--ease-out), transform 420ms var(--ease-out);
  }
  .js .reveal.in { opacity: 1; transform: none; }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .js .reveal { opacity: 1; transform: none; transition: none; }
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
    }
  }
}

/* ─ responsive ─ */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { max-width: 30rem; }
  .beats { grid-template-columns: 1fr; gap: 2rem 0; }
  .founder-grid { grid-template-columns: 1fr; }
  .founder-figs { max-width: 24rem; }
  .dora-grid { grid-template-columns: 1fr; }
  .dora-photo { max-width: 20rem; }

  .tr-cols { display: none; }
  .tr-rows { border-top: 1px solid var(--ink); }
  .tr-row {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    padding-block: 1.3rem;
  }
  .tr-arrow { display: none; }
  .tr-src::before, .tr-dst::before {
    display: block;
    font-family: var(--font-body);
    font-style: normal;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 0.4rem;
    color: var(--muted);
  }
  .tr-src::before { content: "What the bank checks"; }
  .tr-dst::before { content: "Just enough to pass"; color: var(--green-deep); }
  .tr-dst {
    background: var(--green-tint);
    color: var(--ink);
    padding: 0.9rem 1rem;
    margin: 0;
  }
}

@media (max-width: 720px) {
  .site-nav { display: none; }
  .post-link { grid-template-columns: 1fr 2.5rem; }
  .post-date { grid-column: 1 / -1; margin-bottom: 0.55rem; }
  .post-link h2 { grid-column: 1; }
  .post-link .post-dek { grid-column: 1 / -1; }
  .post-go { grid-row: 2; grid-column: 2; align-self: baseline; }
  .post-evidence div { grid-template-columns: 1fr; gap: 0.15rem; }
  .header-row .btn { margin-left: auto; }
  .mvc-compare { grid-template-columns: 1fr; }
  .step { grid-template-columns: 3rem 1fr; gap: 1rem; }
  .step-num { font-size: 2rem; }
}

@media (max-width: 480px) {
  .header-row { gap: 1rem; }
  .hero-actions .btn { width: 100%; text-align: center; }
}

/* ─ added 2026-11: evidence ladder, How it works page, embedded model ─ */
@layer components {

  .book h2 { font-size: clamp(1.9rem, 1.1rem + 2.8vw, 3rem); line-height: 1.1; }
  .book h2 em { font-style: normal; color: var(--green-deep); }
  .dora p + p { margin-top: 1.1rem; }

  /* evidence ladder */
  .evidence {
    border-top: 1px solid var(--line);
    padding-block: var(--section-pad);
  }
  .evidence h2 { font-size: clamp(1.9rem, 1.1rem + 2.6vw, 3rem); }
  .evidence-intro { margin-top: 1.1rem; color: var(--ink-soft); max-width: 44rem; }
  .tiers {
    list-style: none;
    margin: clamp(2rem, 4vw, 3rem) 0 0;
    padding: 0;
    border-top: 1px solid var(--ink);
  }
  .tier {
    display: grid;
    grid-template-columns: 3.5rem 15rem 1fr;
    gap: 0 1.5rem;
    align-items: baseline;
    padding: 1.15rem 1rem;
    margin-inline: -1rem;
    border-bottom: 1px solid var(--line);
  }
  .tier-grade {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.9rem;
    line-height: 1;
    color: var(--line-strong);
  }
  .tier-name { font-weight: 600; }
  .tier-name small {
    display: block;
    margin-top: 0.15rem;
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--muted);
  }
  .tier-text { color: var(--ink-soft); font-size: 1rem; max-width: 40rem; }
  .tier-text strong { color: var(--ink); font-weight: 600; }
  .tier.is-target { background: var(--green-tint); border-bottom-color: var(--green-deep); }
  .tier.is-target .tier-grade { color: var(--green-deep); }
  .tier.is-target .tier-text { color: var(--ink); }
  .tier.is-beyond .tier-name, .tier.is-beyond .tier-text { color: var(--muted); }
  .tier.is-beyond .tier-text { font-size: 0.95rem; }
  .tiers-note { margin-top: 1.5rem; max-width: 46rem; font-size: 0.95rem; color: var(--muted); }
  .tiers-note strong { color: var(--green-deep); }

  /* generic content band for subpages */
  .band {
    border-top: 1px solid var(--line);
    padding-block: var(--section-pad);
  }
  .band-first { border-top: none; padding-top: clamp(2.25rem, 4.5vw, 3.5rem); }
  .band-first .beats { margin-top: 0; }
  .band h2 { font-size: clamp(1.9rem, 1.1rem + 2.6vw, 3rem); }
  .prose { max-width: 44rem; }
  .prose p { margin-top: 1.25rem; color: var(--ink-soft); }
  .prose strong { color: var(--ink); font-weight: 600; }
  .band-split {
    display: grid;
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: start;
  }
  .beat-tag {
    margin: 0 0 0.6rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .beat .beat-tag { margin-top: 0; font-size: 0.8rem; }
  .tag-capability { color: #854F0B; }
  .tag-cyber { color: #A32D2D; }
  .tag-trust { color: #0F6E56; }
  .zones { margin: 0; border-top: 1px solid var(--ink); }
  .zones > div { padding-block: 1rem; border-bottom: 1px solid var(--line); }
  .zones dt { font-weight: 600; }
  .zones dd { margin: 0.3rem 0 0; color: var(--ink-soft); font-size: 0.98rem; }

  /* embedded enterprise-readiness model (logic in /how-it-works/model.js) */
  .model {
    --bg: var(--paper-raised); --text: var(--ink); --halo: var(--paper-raised);
    --faint: var(--line-strong); --track: var(--line);
    --ok: var(--green-deep); --warn: oklch(47% 0.1 70); --bad: var(--red-deep);
    --pill: var(--paper); --pillon: var(--ink); --pillontext: var(--paper-on-ink);
    margin-top: clamp(2rem, 4vw, 3rem);
    background: var(--paper-raised);
    border: 1px solid var(--line);
    padding: clamp(1.1rem, 3vw, 2.25rem);
    line-height: 1.5;
  }
  .model-main {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(1.5rem, 4vw, 3.5rem);
    align-items: start;
  }
  .model .sliders { display: grid; grid-template-columns: 6rem minmax(0, 1fr) 4.25rem; gap: 0.9rem 1rem; align-items: center; font-size: 1rem; margin-bottom: 1.5rem; }
  .model .sliders label { font-weight: 600; }
  .model input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 24px; margin: 0; background: transparent; cursor: pointer; --p: 50%; }
  .model #sc { --c: #E24B4A; } .model #st { --c: #1D9E75; } .model #sv { --c: #EF9F27; }
  .model input[type=range]::-webkit-slider-runnable-track { height: 8px; border-radius: 4px; background: linear-gradient(to right, var(--c) 0 var(--p), var(--track) var(--p) 100%); }
  .model input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--c); border: 2px solid var(--bg); margin-top: -6px; box-shadow: 0 0 0 1px var(--c); }
  .model input[type=range]::-moz-range-track { height: 8px; border-radius: 4px; background: var(--track); }
  .model input[type=range]::-moz-range-progress { height: 8px; border-radius: 4px; background: var(--c); }
  .model input[type=range]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: var(--c); border: 2px solid var(--bg); box-shadow: 0 0 0 1px var(--c); }
  .model input.fs { --c: var(--muted); height: 20px; }
  .model input.fs::-webkit-slider-runnable-track { height: 4px; }
  .model input.fs::-webkit-slider-thumb { width: 14px; height: 14px; margin-top: -5px; }
  .model input.fs::-moz-range-track, .model input.fs::-moz-range-progress { height: 4px; }
  .model input.fs::-moz-range-thumb { width: 10px; height: 10px; }
  .model input.num, .model .prices input, .model .inl input {
    font: inherit; font-variant-numeric: tabular-nums; color: var(--ink);
    background: var(--paper); border: 1px solid var(--line); border-radius: 2px;
  }
  .model input.num { width: 100%; font-weight: 600; text-align: right; padding: 2px 4px 2px 6px; }
  .model .fgrid input.num { font-size: 0.82rem; font-weight: 500; }
  .model .prices input, .model .inl input { width: 4rem; padding: 3px 6px; }
  .model .status { display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; min-height: 1.75rem; padding-block: 1rem; border-block: 1px solid var(--line); }
  .model .status svg { width: 1.15rem; height: 1.15rem; flex: none; }
  .model-hints { margin: 1.25rem 0 0; padding-left: 1.2rem; font-size: 0.92rem; color: var(--ink-soft); }
  .model-hints li { margin-top: 0.5rem; }
  .model-hints li::marker { color: var(--muted); }
  .model-hints b { color: var(--ink); font-weight: 600; }
  .model svg.chart { display: block; width: 100%; height: auto; }
  .model .ts { font-size: 12px; fill: var(--muted); }
  .model .th { font-size: 14px; font-weight: 600; }
  .model .zl { font-size: 10px; font-weight: 600; fill: var(--muted); }
  .model .legend { display: flex; flex-wrap: wrap; gap: 0.5rem 1.1rem; font-size: 0.82rem; color: var(--muted); margin-top: 0.85rem; }
  .model .legend span { display: flex; align-items: center; gap: 0.4rem; }
  .model .legend i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

  .model-more, .model .docs { margin-top: 1.5rem; border-top: 1px solid var(--line); padding-top: 1rem; }
  .model-more > summary, .model .docs > summary { cursor: pointer; font-size: 0.95rem; font-weight: 600; }
  .model-more-body { margin-top: 1.25rem; max-width: 46rem; }
  .model .toggles, .model .floors { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: 0.65rem 1rem; align-items: center; margin-bottom: 1.4rem; font-size: 0.88rem; }
  .model .floors { align-items: start; }
  .model .toggles .lbl, .model .floors .lbl { color: var(--muted); }
  .model .floors .lbl { padding-top: 2px; }
  .model .pills { display: flex; flex-wrap: wrap; gap: 0.45rem; }
  .model .pill { font: inherit; font-size: 0.8rem; border: 1px solid var(--line); background: var(--pill); color: var(--ink); border-radius: 999px; padding: 0.3rem 0.75rem; cursor: pointer; }
  .model .pill[aria-pressed="true"] { background: var(--pillon); color: var(--pillontext); border-color: var(--pillon); }
  .model .fgrid { display: grid; grid-template-columns: 7rem minmax(0, 1fr) 4.25rem; gap: 0.3rem 0.75rem; align-items: center; font-size: 0.82rem; color: var(--muted); }
  .model .fgrid output { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink); }
  .model .budget .fgrid { grid-template-columns: 9.5rem minmax(0, 1fr) 4.25rem; }
  .model .budget .lbl.sub { color: var(--ink); font-weight: 500; padding-top: 6px; }
  .model .cbar { height: 8px; border-radius: 4px; background: var(--track); overflow: hidden; }
  .model .cbar i { display: block; height: 100%; width: 0; background: var(--ink-soft); border-radius: 4px; }
  .model .cbar i.over { background: #E24B4A; }
  .model .budget output.over { color: #E24B4A; font-weight: 600; }
  .model .rd { font-size: 0.75rem; color: var(--muted); }
  .model #cdesc { display: block; margin-top: 3px; }
  .model #ocost, .model #och, .model #odv, .model #orc { font-weight: 600; }
  .model .assume { font-size: 0.82rem; color: var(--muted); }
  .model .assume summary { cursor: pointer; color: var(--ink); font-size: 0.88rem; font-weight: 500; }
  .model .agrid { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: 0.65rem 1rem; margin-top: 0.75rem; line-height: 1.45; }
  .model .agrid p { margin: 0; max-width: 60ch; }
  .model .agrid > span { color: var(--ink); }
  .model .agrid p b { color: var(--ink); font-weight: 600; }
  .model .inl { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
  .model .prices { display: flex; flex-wrap: wrap; gap: 0.85rem; }
  .model .prices label { display: flex; align-items: center; gap: 6px; }
  .model .doc { max-width: 68ch; font-size: 0.9rem; line-height: 1.6; color: var(--ink-soft); }
  .model .doc h3 { font-family: var(--font-body); font-size: 0.95rem; font-weight: 600; letter-spacing: 0; line-height: 1.4; margin: 1.4rem 0 0.4rem; color: var(--ink); }
  .model .doc p { margin: 0 0 0.6rem; }
  .model .doc ul { margin: 0 0 0.6rem; padding-left: 1.25rem; }
  .model .doc li { margin-bottom: 0.4rem; }
  .model .doc b { color: var(--ink); font-weight: 600; }
  .model .doc pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.78rem; background: var(--paper); border: 1px solid var(--line); padding: 0.6rem 0.75rem; overflow-x: auto; margin: 0 0 0.75rem; white-space: pre; }
  .model .trace { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
  .model .trace td { padding: 4px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
  .model .trace td:first-child { color: var(--muted); width: 55%; }
  .model .trace td:last-child { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink); }
  .model-caption { margin-top: 0.9rem; font-size: 0.88rem; color: var(--muted); }
}

@media (max-width: 960px) {
  .band-split { grid-template-columns: 1fr; }
  .model-main { grid-template-columns: 1fr; }
  .tier { grid-template-columns: 3rem 1fr; }
  .tier-text { grid-column: 2; margin-top: 0.5rem; }
}
@media (max-width: 560px) {
  .model .toggles, .model .floors, .model .agrid { grid-template-columns: 1fr; }
  .model .fgrid, .model .budget .fgrid { grid-template-columns: 6rem minmax(0, 1fr) 3.75rem; }
  .model .sliders { grid-template-columns: 5.25rem minmax(0, 1fr) 3.75rem; }
}