/* Free diagnostic — product-led signup flow */

body.diag-page {
    --diag-ink: #172b27;
    --diag-muted: #667671;
    --diag-green: #12634f;
    --diag-dark: #0d4d3e;
    --diag-lime: #c9f45c;
    --diag-cream: #f7f7f2;
    --diag-line: #e4e9e5;
    margin: 0;
    min-height: 100vh;
    color: var(--diag-ink);
    background:
        radial-gradient(circle at top right, rgba(201, 244, 92, 0.2), transparent 34%),
        linear-gradient(180deg, #eef5f1 0%, var(--diag-cream) 40%, #fff 100%);
    font-family: "Segoe UI", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body.diag-page .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    border-radius: 14px;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 750;
    cursor: pointer;
    text-decoration: none;
}

body.diag-page .btn-primary {
    background: var(--diag-green);
    color: #fff;
}

body.diag-page .btn-primary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.diag-top {
    max-width: 760px;
    margin: 0 auto;
    padding: 20px 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.diag-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
    font-size: 18px;
    font-weight: 650;
}

.diag-brand span {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: var(--diag-green);
    color: var(--diag-lime);
    font-weight: 800;
}

.diag-brand b { color: var(--diag-green); }

.diag-skip {
    color: var(--diag-muted);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
}

.diag-main {
    max-width: 760px;
    margin: 0 auto;
    padding: 28px 20px 64px;
}

.diag-stage[hidden] { display: none !important; }

.diag-kicker {
    margin: 0 0 8px;
    color: var(--diag-green);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.diag-main h1 {
    margin: 0 0 10px;
    font-size: clamp(28px, 4vw, 40px);
    letter-spacing: -0.8px;
}

.diag-lede {
    margin: 0 0 28px;
    color: var(--diag-muted);
    font-size: 16px;
    line-height: 1.55;
    max-width: 52ch;
}

.diag-setup-form fieldset {
    border: 0;
    margin: 0 0 22px;
    padding: 0;
}

.diag-setup-form legend {
    margin-bottom: 10px;
    font-size: 13px;
    font-weight: 800;
}

.diag-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.diag-chip {
    padding: 10px 14px;
    border: 1px solid #d5ddd9;
    border-radius: 999px;
    background: #fff;
    color: #455550;
    font-size: 13px;
    font-weight: 750;
    cursor: pointer;
}

.diag-chip.is-selected,
.diag-chip:hover {
    border-color: var(--diag-green);
    color: var(--diag-green);
    box-shadow: 0 0 0 1px var(--diag-green);
}

.diag-hint {
    margin: 0 0 16px;
    color: var(--diag-muted);
    font-size: 13px;
}

.diag-quiz-top h2 {
    margin: 0 0 12px;
    font-size: 24px;
}

.diag-chips-inline {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.diag-pill {
    padding: 5px 10px;
    border-radius: 999px;
    background: #eef7f3;
    color: var(--diag-green);
    font-size: 12px;
    font-weight: 750;
}

.diag-question {
    margin: 0 0 20px;
    font-size: clamp(1.35rem, 2.6vw, 1.65rem);
    font-weight: 750;
    line-height: 1.5;
    letter-spacing: 0.01em;
}

.diag-question sup,
.diag-option sup {
    font-size: 0.78em;
    font-weight: 800;
    line-height: 0;
    vertical-align: super;
    top: -0.15em;
    position: relative;
}

.diag-question sub,
.diag-option sub {
    font-size: 0.78em;
    font-weight: 800;
    line-height: 0;
    vertical-align: sub;
}

.diag-options {
    display: grid;
    gap: 12px;
    margin-bottom: 16px;
}

.diag-option {
    text-align: left;
    padding: 18px 20px;
    border: 1px solid var(--diag-line);
    border-radius: 14px;
    background: #fff;
    font-size: clamp(1.2rem, 2.4vw, 1.45rem);
    font-weight: 700;
    line-height: 1.45;
    letter-spacing: 0.01em;
    cursor: pointer;
}

.diag-option:hover:not(.disabled) {
    border-color: var(--diag-green);
}

.diag-option.correct {
    border-color: #15803d;
    background: #ecfdf3;
}

.diag-option.incorrect {
    border-color: #b45309;
    background: #fff7ed;
}

.diag-option.disabled {
    cursor: default;
}

.diag-feedback {
    padding: 16px;
    border-radius: 16px;
    background: #fff;
    border: 1px solid var(--diag-line);
}

.diag-feedback p {
    margin: 0 0 12px;
    line-height: 1.5;
}

.diag-mistake-label {
    margin: 0 0 10px !important;
    font-size: 13px;
    font-weight: 800;
}

.diag-report-card {
    padding: 20px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--diag-line);
    box-shadow: 0 16px 36px rgba(23, 43, 39, 0.06);
    margin-bottom: 24px;
}

.diag-report-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 18px;
}

.diag-report-metrics > div {
    padding: 14px;
    border-radius: 14px;
    background: #f7f9f8;
}

.diag-report-metrics small {
    display: block;
    margin-bottom: 4px;
    color: var(--diag-muted);
    font-size: 11px;
    font-weight: 700;
}

.diag-report-metrics b {
    font-size: 24px;
    font-weight: 800;
}

.diag-report-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.diag-report-split h3 {
    margin: 0 0 10px;
    font-size: 12px;
    font-weight: 800;
    color: var(--diag-green);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.diag-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.diag-list li {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid #eef2ef;
    font-size: 14px;
    font-weight: 650;
}

.diag-report-note {
    margin: 16px 0 0;
    color: var(--diag-muted);
    font-size: 13px;
    line-height: 1.5;
}

.diag-cta-block {
    padding: 22px;
    border-radius: 20px;
    background: linear-gradient(145deg, #12634f, #0d4d3e);
    color: #fff;
}

.diag-cta-block[hidden] { display: none !important; }

.diag-cta-block h2 {
    margin: 0 0 8px;
    font-size: 24px;
}

.diag-cta-block p {
    margin: 0 0 16px;
    color: rgba(255, 255, 255, 0.84);
    font-size: 14px;
    line-height: 1.5;
}

.diag-cta-block .btn-primary {
    background: var(--diag-lime);
    color: var(--diag-dark);
}

.diag-fineprint {
    margin: 14px 0 0 !important;
    font-size: 12px !important;
}

.diag-fineprint a {
    color: var(--diag-lime);
    font-weight: 750;
}

@media (max-width: 640px) {
    .diag-report-metrics,
    .diag-report-split {
        grid-template-columns: 1fr;
    }
}