/* AI readiness diagnosis page (2026-10-19). Loaded only by diagnosis.html, after styles.css; reuses .panel, .field, .btn, .form-note. */
.dx-section { padding: 72px 0 120px; }
.dx { padding: clamp(28px, 4.5vw, 60px); }
.vh { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* Step rail and the draft line under it */
.dx-progress { list-style: none; margin: 0 0 22px; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.dx-progress li { display: flex; gap: 12px; align-items: baseline; padding-bottom: 14px; border-bottom: 1px solid var(--line); font: 500 11px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--dim); transition: color .4s, border-color .6s var(--ease); }
.dx-progress li i { font-style: normal; color: var(--brass); }
.dx-progress li[aria-current="step"] { color: var(--bone); border-bottom-color: var(--brass); }
.dx-progress li.is-done { color: var(--mute); border-bottom-color: var(--line-3); }
.dx-saved { display: flex; flex-wrap: wrap; gap: 0 22px; align-items: center; margin: 0 0 38px; }
.dx-form.is-done .dx-saved { display: none; }

/* Steps */
.dx-form { position: relative; z-index: 1; }
.dx-step { border: 0; margin: 0; padding: 0; min-width: 0; }
.dx-step[hidden], .dx-done[hidden], .dx-done [hidden], .dx-err[hidden], .dx-text[hidden] { display: none; }
.dx-step legend { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: baseline; width: 100%; padding: 0; margin: 0 0 14px; outline: 0; }
.dx-step legend:focus-visible .dx-t { outline: 1px solid var(--brass); outline-offset: 6px; }
.dx-k { font: 500 11px/1 var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--brass); }
.dx-t { font: 300 clamp(28px, 3vw, 40px)/1.1 var(--serif); color: var(--bone); letter-spacing: -.01em; }
.dx-opt { font: 500 10.5px/1 var(--mono); letter-spacing: .06em; text-transform: none; color: var(--dim); margin-left: 8px; }
.dx-step legend .dx-opt { text-transform: uppercase; letter-spacing: .18em; margin-left: 0; }
.dx-lede { margin: 0 0 34px; font-size: 17px; line-height: 1.6; color: var(--mute); max-width: 60ch; }

.dx-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px 26px; }
.dx-grid-4 { grid-template-columns: repeat(4, 1fr); }
.dx-why { margin: -2px 0 0; font: 400 12.5px/1.5 var(--mono); color: var(--dim); }
.dx-err { margin: 0; font: 400 12px/1.45 var(--mono); color: var(--brass-hi); }
/* Fields in one row share a baseline: rows pack at the bottom, so underlines line up whether or not a field has a hint.
   The shared animated underline (.field::after) is replaced by a focus glow on the control itself, because hints and error lines sit below it here. */
.dx-form .field { align-content: end; }
.dx-form .field::after { content: none; }
.dx-form .field input, .dx-form .field textarea { border-bottom-color: rgba(236, 232, 223, .4); scroll-margin-top: 150px; clip-path: inset(0 0 -16px 0); transition: border-color .3s, box-shadow .4s var(--ease); }   /* 3:1 boundary on the panel; the clip keeps the focus glow under the line only */
.dx-form .field input:focus, .dx-form .field textarea:focus { border-bottom-color: var(--brass-hi); box-shadow: 0 1px 0 0 var(--brass-hi), 0 5px 12px -3px var(--brass); }
.field.is-invalid input, .field.is-invalid textarea { border-bottom-color: var(--brass-hi); }
.field .unit { position: relative; }
.field .unit input { padding-right: 86px; }
.field .unit span { position: absolute; right: 0; bottom: 16px; font: 400 11px/1 var(--mono); letter-spacing: .06em; color: var(--dim); pointer-events: none; }
.dx-form .field input::placeholder, .dx-form .field textarea::placeholder { color: var(--dim); opacity: 1; }
.field input[type=number] { -moz-appearance: textfield; appearance: textfield; }
.field input[type=number]::-webkit-outer-spin-button, .field input[type=number]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* Questions */
.dx-qs { list-style: none; margin: 0; padding: 0; display: grid; gap: 34px; counter-reset: q; }
.dx-qs li { counter-increment: q; display: grid; grid-template-columns: 44px 1fr; gap: 12px; }
.dx-qs li::before { content: counter(q, decimal-leading-zero); font: 500 12px/1 var(--mono); color: var(--brass); padding-top: 6px; }
.dx-qs .field { align-content: start; }
.dx-qs .field label { font: 400 18px/1.45 var(--sans); letter-spacing: 0; text-transform: none; color: var(--bone); }
.dx-qs .field textarea { min-height: 84px; }

/* Consent and review */
.dx-check { grid-column: 1 / -1; display: grid; grid-template-columns: 20px 1fr; gap: 6px 14px; align-items: start; }
.dx-check input { width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--brass); scroll-margin-top: 150px; }
.dx-check label { font: 400 15px/1.55 var(--sans); color: var(--text); }
.dx-check label a { color: var(--bone); text-decoration: underline; text-decoration-color: var(--line-3); text-underline-offset: 3px; transition: text-decoration-color .3s; }
.dx-check label a:hover, .dx-check label a:focus-visible { text-decoration-color: var(--brass); }
.dx-check .dx-err { grid-column: 2; }
.dx-check.is-invalid label { color: var(--bone); }
.dx-review { margin-top: 40px; padding-top: 30px; border-top: 1px solid var(--line); }
.dx-review h2 { margin: 0 0 22px; font: 300 24px/1.2 var(--serif); color: var(--bone); }
.dx-summary { display: grid; gap: 30px; }
.dx-summary > div { display: grid; gap: 12px; }
.dx-summary h3 { margin: 0; font: 500 10.5px/1.7 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--brass); }
.dx-summary dl { margin: 0; display: grid; gap: 12px; }
.dx-summary dl > div { display: grid; grid-template-columns: minmax(140px, 220px) 1fr; gap: 6px 18px; font-size: 15px; line-height: 1.5; }
.dx-summary dt { font: 500 10.5px/1.7 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--dim); }
.dx-summary dd { margin: 0; color: var(--text); white-space: pre-wrap; overflow-wrap: anywhere; }
.dx-summary > p { margin: 0; color: var(--mute); }

/* Navigation */
.dx-nav { display: flex; flex-wrap: wrap; gap: 14px 26px; align-items: center; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
.btn-text { all: unset; cursor: pointer; position: relative; display: inline-flex; align-items: center; min-height: 44px; font: 500 11px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--mute); transition: color .3s; }
.btn-text::after { content: ""; position: absolute; left: 0; right: 0; top: calc(50% + 11px); height: 1px; background: var(--line-3); transition: background .3s; }
.btn-text:hover, .btn-text:focus-visible { color: var(--bone); }
.btn-text:hover::after, .btn-text:focus-visible::after { background: var(--brass); }
.btn-text:focus-visible { outline: 1px solid var(--brass); outline-offset: 2px; }
.dx-form .form-note { margin-top: 22px; }

/* After sending */
.dx-done:focus { outline: 0; }
.dx-done h2 { margin: 16px 0 18px; font: 300 clamp(26px, 3vw, 38px)/1.15 var(--serif); color: var(--bone); max-width: 22ch; }
.dx-done p:not(.eyebrow) { margin: 0; font-size: 17px; line-height: 1.65; color: var(--text); max-width: 60ch; }
.dx-text { margin: 28px 0 0; padding: 18px 20px; border: 1px solid var(--line); background: rgba(0, 0, 0, .28); font: 400 13px/1.65 var(--mono); color: var(--text); white-space: pre-wrap; overflow-wrap: anywhere; max-height: 380px; overflow: auto; }
.dx-text:focus-visible { outline: 1px solid var(--brass); outline-offset: 2px; }

/* Below the panel */
.dx-after { max-width: 68ch; margin: 44px 0 0; scroll-margin-top: 120px; }
.dx-after h2 { margin: 0 0 12px; font: 300 clamp(24px, 2.6vw, 32px)/1.2 var(--serif); color: var(--bone); }
.dx-after p { margin: 0; font-size: 17px; line-height: 1.7; color: var(--mute); }

/* Scripts off: every step shows, the browser posts the form to the email application itself */
html:not(.js) .dx-step[hidden] { display: block; margin-top: 48px; }
html:not(.js) .dx-step:first-of-type { margin-top: 0; }
html:not(.js) [data-next], html:not(.js) [data-prev], html:not(.js) [data-copy], html:not(.js) .dx-saved, html:not(.js) .dx-review, html:not(.js) .dx-progress, html:not(.js) .dx-step:not([data-step="4"]) .dx-nav { display: none; }

@media (max-width: 1080px) { .dx-grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 720px) { .dx-progress { grid-template-columns: 1fr 1fr; gap: 14px 12px; margin-bottom: 18px; } }
@media (max-width: 640px) {
  .dx-section { padding: 48px 0 90px; }
  .dx-step legend .dx-k { flex-basis: 100%; }
  .dx-grid, .dx-grid-4 { grid-template-columns: 1fr; gap: 26px; }
  .dx-qs li { grid-template-columns: 1fr; gap: 8px; }
  .dx-qs li::before { padding: 0; }
  .dx-qs .field label { font-size: 17px; }
  .dx-summary dl > div { grid-template-columns: 1fr; gap: 2px; }
  .dx-nav { gap: 12px 20px; }
  .dx-nav .btn { width: 100%; justify-content: center; }
  .dx-nav .btn-text[data-clear] { margin-top: 6px; }
}
@media (prefers-reduced-motion: reduce) { .dx-progress li, .btn-text, .btn-text::after, .dx-form .field input, .dx-form .field textarea { transition: none; } }