:root {
  --diagnostic-ink: #12203b;
  --diagnostic-muted: #586985;
  --diagnostic-blue: #0759db;
  --diagnostic-blue-dark: #0646ae;
  --diagnostic-line: #cbd8ee;
  --diagnostic-paper: #ffffff;
  --diagnostic-wash: #f3f7ff;
  --diagnostic-pink: #ff7c7a;
  --diagnostic-teal: #22a7a0;
  --diagnostic-yellow: #f4bc4c;
  --diagnostic-radius: 22px;
  --diagnostic-shadow: 0 24px 60px rgba(20, 52, 104, 0.12);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { min-width: 320px; background: var(--diagnostic-wash); }

body.diagnostic-page {
  min-height: 100vh;
  margin: 0;
  color: var(--diagnostic-ink);
  background:
    radial-gradient(circle at 8% 12%, rgba(73, 143, 245, 0.13), transparent 31rem),
    radial-gradient(circle at 92% 92%, rgba(32, 178, 166, 0.1), transparent 28rem),
    #f8faff;
  font-family: "Be Vietnam Pro", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button, a { font: inherit; }
button { color: inherit; }

.diagnostic-topbar {
  width: min(1180px, calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.diagnostic-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--diagnostic-ink);
  text-decoration: none;
}

.diagnostic-brand img { width: 42px; height: 42px; object-fit: contain; }
.diagnostic-brand span { display: grid; line-height: 1.1; }
.diagnostic-brand strong { font-size: 1.03rem; letter-spacing: -0.02em; }
.diagnostic-brand small { margin-top: 4px; color: var(--diagnostic-muted); font-size: 0.68rem; }

.diagnostic-brand:focus-visible {
  border-radius: 8px;
  outline: 3px solid rgba(7, 89, 217, .24);
  outline-offset: 4px;
}

.diagnostic-home-link,
.diagnostic-quiet-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--diagnostic-blue-dark);
  cursor: pointer;
  font-weight: 800;
  text-decoration: none;
}

.diagnostic-home-link:hover,
.diagnostic-home-link:focus-visible,
.diagnostic-quiet-link:hover,
.diagnostic-quiet-link:focus-visible { border-bottom-color: currentColor; outline: none; }

.diagnostic-app {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 44px 0 80px;
}

.diagnostic-screen[hidden] { display: none !important; }

.diagnostic-landing {
  display: block;
  min-height: 0;
}

.diagnostic-landing__hero {
  min-height: min(700px, calc(100vh - 112px));
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, .98fr);
  align-items: center;
  gap: clamp(44px, 6vw, 78px);
  padding: clamp(36px, 5vw, 70px) 0 clamp(52px, 7vw, 86px);
}

.diagnostic-kicker {
  margin: 0 0 12px;
  color: var(--diagnostic-blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.diagnostic-landing h1 {
  max-width: 680px;
  margin: 0;
  color: var(--marketing-ink);
  font-size: clamp(3.2rem, 6.4vw, 5.35rem);
  line-height: .96;
  letter-spacing: -.052em;
  text-wrap: balance;
}

.diagnostic-results h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 4.7rem);
  line-height: 0.99;
  letter-spacing: -0.052em;
}

.diagnostic-lede {
  max-width: 670px;
  margin: 24px 0 0;
  color: var(--diagnostic-muted);
  font-size: clamp(1.02rem, 1.7vw, 1.2rem);
  line-height: 1.7;
}

.diagnostic-icon {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #edf4ff;
}

.diagnostic-icon svg {
  width: 29px;
  height: 29px;
  overflow: visible;
  fill: none;
  stroke: var(--diagnostic-blue);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.diagnostic-icon--pulse svg { animation: diagnostic-pulse 3.3s ease-in-out infinite; }
.diagnostic-icon--tick svg path { stroke-dasharray: 28; animation: diagnostic-draw 3.3s ease-in-out infinite; }
.diagnostic-icon--bob { animation: diagnostic-bob 3.5s ease-in-out infinite; }

.diagnostic-primary,
.diagnostic-secondary {
  min-height: 52px;
  padding: 13px 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--diagnostic-blue);
  border-radius: 13px;
  cursor: pointer;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.diagnostic-primary {
  background: var(--diagnostic-blue);
  color: #fff;
  box-shadow: 0 12px 24px rgba(7, 89, 219, 0.22);
}

.diagnostic-primary:hover:not(:disabled),
.diagnostic-primary:focus-visible:not(:disabled) {
  background: var(--diagnostic-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 15px 28px rgba(7, 89, 219, 0.28);
  outline: none;
}

.diagnostic-primary:disabled { opacity: 0.48; cursor: not-allowed; box-shadow: none; }

.diagnostic-secondary { background: #fff; color: var(--diagnostic-blue-dark); }
.diagnostic-secondary:hover, .diagnostic-secondary:focus-visible { background: #edf4ff; outline: none; }

.diagnostic-trust {
  max-width: 640px;
  margin: 16px 0 0;
  color: var(--diagnostic-muted);
  font-size: 0.78rem;
  line-height: 1.55;
}

.diagnostic-error { margin: 14px 0 0; color: #a82d3f; font-weight: 700; line-height: 1.5; }

.diagnostic-hero-actions {
  margin-top: 30px;
}

.diagnostic-reassurance {
  margin: 17px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 7px 11px;
  color: var(--marketing-muted);
  font-size: .78rem;
  font-weight: 700;
  line-height: 1.45;
}

.diagnostic-hero-preview {
  width: 100%;
  align-self: center;
}

.diagnostic-preview-label {
  padding: 5px 9px;
  border: 1px solid #c6d7f5;
  border-radius: 999px;
  background: #f2f6ff;
  color: var(--marketing-blue);
  font-size: .7rem;
  font-weight: 800;
}

.diagnostic-signal-icon {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 50%;
}

.diagnostic-signal-icon--flaticon {
  overflow: hidden;
  border: 0;
  background: #fff;
}

.diagnostic-signal-icon--flaticon img {
  width: 32px;
  height: 32px;
  display: block;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.diagnostic-preview-recommendation {
  margin-top: 2px;
}

.diagnostic-recommendation-star {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--marketing-blue);
  color: #fff;
  font-size: 1.05rem;
}

.diagnostic-recommendation-arrow {
  color: var(--marketing-blue);
  font-size: 1.35rem;
}

.diagnostic-step-strip {
  scroll-margin-top: 24px;
  border-color: var(--marketing-border);
  box-shadow: 0 14px 34px rgba(27, 52, 96, .06);
}

.diagnostic-landing-section {
  padding-block: var(--marketing-section-space);
}

.diagnostic-section-header {
  margin-bottom: clamp(28px, 4vw, 42px);
}

.diagnostic-proof-card {
  overflow: hidden;
}

.diagnostic-mini-notes,
.diagnostic-mini-question,
.diagnostic-mini-progress {
  margin-top: auto;
  padding: 15px;
  display: grid;
  gap: 8px;
  border: 1px solid var(--marketing-border-soft);
  border-radius: var(--marketing-radius-small);
  background: #f9fbff;
}

.diagnostic-mini-notes strong,
.diagnostic-mini-question strong {
  margin-bottom: 3px;
  color: var(--marketing-ink);
  font-size: .83rem;
  line-height: 1.35;
}

.diagnostic-mini-notes span,
.diagnostic-mini-question span {
  color: var(--marketing-muted);
  font-size: .72rem;
  line-height: 1.4;
}

.diagnostic-mini-notes span::first-letter {
  color: var(--marketing-success);
}

.diagnostic-mini-question span {
  min-height: 32px;
  padding: 7px 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--marketing-border-soft);
  border-radius: 7px;
  background: #fff;
}

.diagnostic-mini-question span.is-selected {
  border-color: var(--marketing-blue);
  background: #eef4ff;
  color: var(--marketing-blue-dark);
}

.diagnostic-mini-progress span {
  display: grid;
  grid-template-columns: 9px minmax(0, 1fr);
  gap: 2px 8px;
  color: var(--marketing-muted);
  font-size: .68rem;
  line-height: 1.35;
}

.diagnostic-mini-progress i {
  width: 8px;
  height: 8px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--marketing-blue);
  grid-row: 1 / span 2;
}

.diagnostic-mini-progress i.is-review { background: #e34e58; }
.diagnostic-mini-progress i.is-building { background: #e99a00; }
.diagnostic-mini-progress i.is-promising { background: var(--marketing-success); }
.diagnostic-mini-progress strong { color: var(--marketing-ink); font-size: .77rem; }

.diagnostic-question-demo {
  padding: clamp(24px, 5vw, 54px);
  display: grid;
  grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr);
  gap: clamp(28px, 5vw, 58px);
  align-items: center;
  border-color: var(--marketing-border);
}

.diagnostic-question-demo__copy img {
  width: min(230px, 68%);
  height: auto;
  margin: 24px auto -24px;
  display: block;
  object-fit: contain;
}

.diagnostic-question-preview-card {
  min-width: 0;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--marketing-border);
  border-radius: var(--marketing-radius);
  background: #fff;
  box-shadow: var(--marketing-shadow);
}

.diagnostic-question-preview-card__head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--marketing-muted);
  font-size: .72rem;
  line-height: 1.35;
}

.diagnostic-question-preview-card__head strong { color: var(--marketing-ink); }

.diagnostic-question-preview-card__progress {
  height: 5px;
  margin-top: 12px;
  overflow: hidden;
  border-radius: 99px;
  background: #e4ebf6;
}

.diagnostic-question-preview-card__progress span {
  width: 8.33%;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--marketing-blue);
}

.diagnostic-question-preview-card > p {
  margin: 24px 0 19px;
  color: var(--marketing-ink);
  font-size: .95rem;
  font-weight: 800;
  line-height: 1.5;
}

.diagnostic-question-preview-options {
  display: grid;
  gap: 8px;
}

.diagnostic-question-preview-options span {
  min-height: 42px;
  padding: 8px 11px;
  display: grid;
  grid-template-columns: 17px 20px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  border: 1px solid var(--marketing-border-soft);
  border-radius: 8px;
  color: var(--marketing-muted);
  font-size: .74rem;
  line-height: 1.35;
}

.diagnostic-question-preview-options i {
  width: 16px;
  height: 16px;
  border: 1px solid #9eafca;
  border-radius: 50%;
}

.diagnostic-question-preview-options b {
  color: var(--marketing-ink-soft);
  font-size: .7rem;
}

.diagnostic-trust-strip {
  margin-top: clamp(24px, 4vw, 42px);
  border-color: var(--marketing-border);
}

.diagnostic-trust-strip .marketing-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
}

.diagnostic-trust-strip .marketing-icon svg {
  width: 22px;
  height: 22px;
}

.diagnostic-final-cta {
  margin-top: clamp(24px, 4vw, 42px);
  padding: clamp(26px, 4vw, 42px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px auto;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
  overflow: hidden;
  border-color: #b9cff3;
  background: linear-gradient(135deg, #f7faff, #eaf2ff);
}

.diagnostic-final-cta h2 {
  max-width: 18ch;
  margin: 0;
  color: var(--marketing-ink);
  font-size: clamp(1.7rem, 3.4vw, 2.55rem);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.diagnostic-final-cta p:not(.marketing-eyebrow) {
  max-width: 58ch;
  margin: 12px 0 0;
  color: var(--marketing-muted);
  line-height: 1.55;
}

.diagnostic-final-illustration {
  width: 210px;
  height: auto;
  display: block;
  object-fit: contain;
}

.diagnostic-final-cta .marketing-button {
  min-width: 220px;
}

.diagnostic-session { max-width: 1020px; margin: 0 auto; }

.diagnostic-session__head {
  margin-bottom: 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 30px;
}

.diagnostic-progress-copy {
  margin: 0 0 8px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--diagnostic-muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.diagnostic-progress { height: 8px; overflow: hidden; border-radius: 999px; background: #dce6f6; }
.diagnostic-progress span { width: 8.33%; height: 100%; display: block; border-radius: inherit; background: linear-gradient(90deg, var(--diagnostic-blue), var(--diagnostic-teal)); transition: width 300ms ease; }

.diagnostic-question-card {
  min-height: 580px;
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  overflow: hidden;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius);
  background: var(--diagnostic-paper);
  box-shadow: var(--diagnostic-shadow);
}

.diagnostic-question-art { padding: 28px; display: grid; place-items: center; background: #f1f6ff; }
.diagnostic-question-art img { width: 100%; max-width: 360px; height: auto; display: block; border-radius: 22px; box-shadow: 0 16px 35px rgba(18, 52, 102, 0.12); animation: diagnostic-question-in 380ms ease both; }
.diagnostic-question-body { padding: clamp(28px, 5vw, 54px); }

.diagnostic-question-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; color: var(--diagnostic-blue); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; }
.diagnostic-challenge { padding: 5px 9px; border-radius: 999px; background: #fff1d2; color: #7b5200; font-size: 0.68rem; }

.diagnostic-question-prompt { margin: 17px 0 25px; font-size: clamp(1.15rem, 2.2vw, 1.55rem); line-height: 1.5; letter-spacing: -0.02em; }
.diagnostic-choices { display: grid; gap: 11px; }

.diagnostic-choice {
  width: 100%;
  min-height: 58px;
  padding: 12px 15px;
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  gap: 13px;
  border: 1px solid var(--diagnostic-line);
  border-radius: 13px;
  background: #fff;
  color: var(--diagnostic-ink);
  cursor: pointer;
  text-align: left;
  line-height: 1.45;
  transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
}

.diagnostic-choice:hover, .diagnostic-choice:focus-visible { border-color: #83a8e9; background: #f7faff; transform: translateX(2px); outline: none; }
.diagnostic-choice[aria-checked="true"] { border: 2px solid var(--diagnostic-blue); background: #eef5ff; }
.diagnostic-choice__label { width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid #aebfda; border-radius: 50%; color: var(--diagnostic-blue-dark); font-size: 0.8rem; font-weight: 800; }
.diagnostic-choice[aria-checked="true"] .diagnostic-choice__label { border-color: var(--diagnostic-blue); background: var(--diagnostic-blue); color: #fff; }

.diagnostic-choice-hint { margin: 16px 0 0; color: var(--diagnostic-muted); font-size: 0.76rem; }
.diagnostic-session__actions { margin-top: 18px; display: flex; align-items: center; justify-content: flex-end; gap: 18px; }
.diagnostic-session__actions .diagnostic-error { margin: 0 auto 0 0; }
.diagnostic-next { min-width: 190px; }

.diagnostic-results { max-width: 1080px; margin: 0 auto; }
.diagnostic-results__hero { padding: clamp(25px, 5vw, 52px); display: grid; grid-template-columns: auto 1fr; align-items: center; gap: clamp(24px, 5vw, 50px); border: 1px solid var(--diagnostic-line); border-radius: var(--diagnostic-radius); background: #fff; box-shadow: var(--diagnostic-shadow); }
.diagnostic-results h1 { max-width: 750px; font-size: clamp(2rem, 5vw, 3.7rem); }

.diagnostic-complete-mark {
  width: 132px;
  height: 132px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(145deg, #edf5ff, #fff9e9);
  box-shadow: inset 0 0 0 1px #cbdcf6, 0 18px 38px rgba(31, 72, 132, 0.13);
}

.diagnostic-complete-mark img {
  width: 82px;
  height: 82px;
  display: block;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.diagnostic-results__layout { margin-top: 24px; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(290px, 0.65fr); gap: 24px; align-items: start; }
.diagnostic-results__layout > section, .diagnostic-next-step { padding: clamp(24px, 4vw, 38px); border: 1px solid var(--diagnostic-line); border-radius: var(--diagnostic-radius); background: #fff; }
.diagnostic-section-head h2, .diagnostic-next-step h2 { margin: 0; font-size: clamp(1.45rem, 3vw, 2rem); letter-spacing: -0.03em; }
.diagnostic-section-head > p { margin: 12px 0 0; color: var(--diagnostic-muted); line-height: 1.6; font-size: 0.83rem; }

.diagnostic-signal-legend {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--diagnostic-muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.diagnostic-signal-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.diagnostic-signal-legend i {
  width: 9px;
  height: 9px;
  display: inline-block;
  border-radius: 50%;
  background: #df5665;
}

.diagnostic-signal-legend [data-state="promising"] i { background: #e99a00; }
.diagnostic-signal-legend [data-state="excellent"] i { background: var(--diagnostic-teal); }

.diagnostic-signal-list { margin-top: 18px; display: grid; gap: 12px; }
.diagnostic-signal { padding: 17px; display: grid; grid-template-columns: 1fr auto; gap: 10px 18px; border: 1px solid #d8e2f2; border-radius: 15px; background: #fbfcff; }
.diagnostic-signal h3 { margin: 0; font-size: 0.98rem; }
.diagnostic-signal p { grid-column: 1 / -1; margin: 0; color: var(--diagnostic-muted); font-size: 0.82rem; line-height: 1.55; }
.diagnostic-signal__score { color: var(--diagnostic-blue-dark); font-size: 0.8rem; font-weight: 800; }
.diagnostic-signal__bar { grid-column: 1 / -1; height: 7px; overflow: hidden; border-radius: 99px; background: #e4ecf8; }
.diagnostic-signal__bar span { height: 100%; display: block; border-radius: inherit; background: #df5665; transition: width 650ms ease; }
.diagnostic-signal[data-state="needs_support"] { border-color: #efc5ca; background: #fff7f8; }
.diagnostic-signal[data-state="needs_support"] .diagnostic-signal__score { color: #a83242; }
.diagnostic-signal[data-state="promising"] { border-color: #eed594; background: #fffbf1; }
.diagnostic-signal[data-state="promising"] .diagnostic-signal__score { color: #805500; }
.diagnostic-signal[data-state="promising"] .diagnostic-signal__bar span { background: #e99a00; }
.diagnostic-signal[data-state="excellent"] { border-color: #a8d8c9; background: #f3fbf8; }
.diagnostic-signal[data-state="excellent"] .diagnostic-signal__score { color: #0f694f; }
.diagnostic-signal[data-state="excellent"] .diagnostic-signal__bar span { background: var(--diagnostic-teal); }

.diagnostic-next-step { position: sticky; top: 24px; box-shadow: 0 18px 42px rgba(20, 52, 104, 0.09); }
.diagnostic-next-step .diagnostic-icon { width: 48px; height: 48px; margin-bottom: 21px; }
.diagnostic-icon--flaticon {
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 0;
  background: #fff;
}
.diagnostic-icon--flaticon img { width: 44px; height: 44px; display: block; object-fit: contain; mix-blend-mode: multiply; }
.diagnostic-next-step > p:not(.diagnostic-kicker) { margin: 16px 0 24px; color: var(--diagnostic-muted); line-height: 1.65; }
.diagnostic-next-step .diagnostic-primary, .diagnostic-next-step .diagnostic-secondary { width: 100%; }
.diagnostic-next-step .diagnostic-secondary { margin-top: 10px; }

.diagnostic-results__footer { margin-top: 22px; display: flex; justify-content: center; flex-wrap: wrap; gap: 26px; }
.diagnostic-preview { max-width: 1040px; margin: 0 auto; }
.diagnostic-preview__grid { margin-top: 22px; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 24px; align-items: start; }
.diagnostic-preview__lesson, .diagnostic-preview__practice { padding: clamp(25px, 5vw, 52px); border: 1px solid var(--diagnostic-line); border-radius: var(--diagnostic-radius); background: #fff; box-shadow: var(--diagnostic-shadow); }
.diagnostic-preview h1 { margin: 0; font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.08; letter-spacing: -.04em; }
.diagnostic-preview__art { margin: 0; padding: 25px; border: 1px solid var(--diagnostic-line); border-radius: var(--diagnostic-radius); background: linear-gradient(145deg, #eaf2ff, #fff7dd); }
.diagnostic-preview__art img { display: block; width: 100%; height: auto; border-radius: 20px; }
.diagnostic-preview__concepts { display: grid; gap: 12px; margin: 26px 0; }
.diagnostic-preview__concepts article { padding: 16px 18px; border-left: 4px solid var(--diagnostic-blue); border-radius: 0 14px 14px 0; background: #f4f8ff; }
.diagnostic-preview__concepts h2 { margin: 0 0 5px; font-size: 1rem; }
.diagnostic-preview__concepts p { margin: 0; color: var(--diagnostic-muted); line-height: 1.55; font-size: .87rem; }
.diagnostic-preview__takeaway { margin: 0 0 26px; padding: 18px; border: 1px solid #ead38d; border-radius: 14px; background: #fff9e8; }
.diagnostic-preview__takeaway p { margin: 6px 0 0; color: #5f542e; line-height: 1.55; }
.diagnostic-preview__practice { max-width: 800px; margin: 0 auto; }
.diagnostic-preview__practice .diagnostic-choices { margin: 25px 0; }
.diagnostic-preview__feedback { margin: 20px 0; padding: 17px 18px; border-radius: 14px; background: #eef8f5; color: #153f36; line-height: 1.6; }
.diagnostic-preview__feedback[data-correct="false"] { background: #fff7e8; color: #58451e; }
.diagnostic-preview__practice > .diagnostic-primary { width: 100%; }
.diagnostic-paywall-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.diagnostic-paywall-actions > * { width: 100%; }
.diagnostic-parent-link { margin-top: 24px; padding: 18px; border: 1px solid var(--diagnostic-line); border-radius: 14px; background: #f7faff; }
.diagnostic-parent-link label { display: block; margin-bottom: 9px; font-weight: 800; }
.diagnostic-parent-link > div { display: grid; grid-template-columns: 1fr auto; }
.diagnostic-parent-link input { min-width: 0; padding: 12px; border: 1px solid #9db0d4; border-radius: 10px 0 0 10px; font: inherit; }
.diagnostic-parent-link button { padding: 0 16px; border: 0; border-radius: 0 10px 10px 0; background: var(--diagnostic-blue); color: #fff; font-weight: 800; }
.diagnostic-parent-link p { margin: 10px 0 0; color: var(--diagnostic-muted); font-size: .8rem; }
.diagnostic-parent-link > .diagnostic-secondary { width: 100%; margin-top: 14px; }
.diagnostic-noscript { padding: 30px; text-align: center; }

@keyframes diagnostic-pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.08); } }
@keyframes diagnostic-draw { 0%, 15% { stroke-dashoffset: 28; } 45%, 100% { stroke-dashoffset: 0; } }
@keyframes diagnostic-bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
@keyframes diagnostic-question-in { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: none; } }

@media (max-width: 900px) {
  .diagnostic-app { padding-top: 24px; }
  .diagnostic-landing__hero { min-height: auto; grid-template-columns: 1fr; gap: 34px; padding-top: 32px; }
  .diagnostic-hero-preview { max-width: 720px; }
  .diagnostic-question-demo { grid-template-columns: 1fr; }
  .diagnostic-question-demo__copy img { width: 190px; margin: 20px auto -26px; }
  .diagnostic-final-cta { grid-template-columns: minmax(0, 1fr) 150px; }
  .diagnostic-final-illustration { width: 150px; }
  .diagnostic-final-cta .marketing-button { grid-column: 1 / -1; width: 100%; }
  .diagnostic-question-card { grid-template-columns: 1fr; }
  .diagnostic-question-art { padding: 18px; max-height: 270px; }
  .diagnostic-question-art img { width: min(230px, 68vw); }
  .diagnostic-results__layout { grid-template-columns: 1fr; }
  .diagnostic-next-step { position: static; }
  .diagnostic-preview__grid { grid-template-columns: 1fr; }
  .diagnostic-preview__art { order: -1; max-width: 360px; margin: 0 auto; }
}

@media (max-width: 640px) {
  .diagnostic-topbar, .diagnostic-app { width: min(100% - 28px, 1180px); }
  .diagnostic-topbar { min-height: 68px; }
  .diagnostic-brand img { width: 36px; height: 36px; }
  .diagnostic-brand small { display: none; }
  .diagnostic-home-link { font-size: 0.76rem; }
  .diagnostic-app { padding: 18px 0 calc(40px + env(safe-area-inset-bottom)); }
  .diagnostic-landing__hero { gap: 28px; padding: 20px 0 50px; }
  .diagnostic-landing h1 { font-size: clamp(2.35rem, 12vw, 3.2rem); }
  .diagnostic-lede { margin-top: 18px; font-size: 0.98rem; line-height: 1.65; }
  .diagnostic-hero-actions { margin-top: 24px; }
  .diagnostic-reassurance { gap: 5px 8px; }
  .diagnostic-hero-preview { padding: 16px; }
  .diagnostic-hero-preview .marketing-signal-row { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 9px 10px; }
  .diagnostic-hero-preview .marketing-status { grid-column: 2; justify-self: start; }
  .diagnostic-preview-recommendation { grid-template-columns: 38px minmax(0, 1fr); }
  .diagnostic-recommendation-arrow { display: none; }
  .diagnostic-landing-section { padding-block: 56px; }
  .diagnostic-question-demo { padding: 22px 16px; }
  .diagnostic-question-demo__copy img { display: none; }
  .diagnostic-question-preview-card { padding: 18px 13px; }
  .diagnostic-trust-strip { margin-top: 16px; }
  .diagnostic-final-cta { grid-template-columns: 1fr; text-align: left; }
  .diagnostic-final-illustration { width: 145px; justify-self: center; }
  .diagnostic-final-cta .marketing-button { min-width: 0; width: 100%; }
  .diagnostic-session__head { grid-template-columns: 1fr; gap: 8px; }
  .diagnostic-session__head .diagnostic-quiet-link { justify-self: end; min-height: 36px; font-size: 0.74rem; }
  .diagnostic-question-card { min-height: 0; border-radius: 18px; }
  .diagnostic-question-art { max-height: 205px; }
  .diagnostic-question-art img { width: min(170px, 50vw); border-radius: 16px; }
  .diagnostic-question-body { padding: 22px 17px 25px; }
  .diagnostic-question-prompt { margin: 13px 0 20px; font-size: 1.05rem; line-height: 1.55; }
  .diagnostic-choice { min-height: 56px; padding: 10px 12px; grid-template-columns: 32px 1fr; font-size: 0.86rem; }
  .diagnostic-session__actions { position: static; margin: 12px 0 0; padding: 0 0 env(safe-area-inset-bottom); background: transparent; flex-direction: column; align-items: stretch; }
  .diagnostic-session__actions .diagnostic-error { margin: 0; }
  .diagnostic-next { width: 100%; }
  .diagnostic-results__hero { grid-template-columns: 1fr; justify-items: center; text-align: center; padding: 26px 20px; }
  .diagnostic-results__hero .diagnostic-lede { margin-left: auto; margin-right: auto; }
  .diagnostic-complete-mark { width: 116px; height: 116px; }
  .diagnostic-complete-mark img { width: 72px; height: 72px; }
  .diagnostic-results__layout > section, .diagnostic-next-step { padding: 24px 18px; }
  .diagnostic-signal { grid-template-columns: 1fr; }
  .diagnostic-signal__score { grid-row: 2; }
  .diagnostic-signal p, .diagnostic-signal__bar { grid-column: 1; }
  .diagnostic-preview__lesson, .diagnostic-preview__practice { padding: 24px 18px; }
  .diagnostic-paywall-actions { grid-template-columns: 1fr; }
  .diagnostic-parent-link > div { grid-template-columns: 1fr; gap: 8px; }
  .diagnostic-parent-link input, .diagnostic-parent-link button { min-height: 44px; border-radius: 10px; }
}

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