/* Q9 Continuous product pages: /q9-continuous, /diagnostic, /driftmark, /verify, /verify/sample.
   Loaded after site-nav.css (tokens, base, buttons, chrome) and home.css (sections, cards, badges,
   forms, breadcrumb, CTA band). Only product-specific components live here; colours come from the
   shared tokens so both themes follow the rest of the site. */

/* ------------------------------------------------------------------ hero */

.ps-hero h1 { font-size: clamp(2.15rem, 4.6vw, 3.6rem); max-width: 18ch; margin-bottom: 0; }
.ps-hero .hero-text { margin-bottom: 0; }
.ps-tagline { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 26px 0 0; padding: 0; list-style: none; font-size: 0.88rem; color: var(--muted); }
.ps-tagline li { display: inline-flex; align-items: center; gap: 8px; }
.ps-tagline li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }

/* Summary card beside the hero (price, illustrative states). */
.ps-glance {
  padding: clamp(22px, 2.6vw, 30px);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--panel-shadow);
}
.ps-glance h2 { font-size: clamp(1.5rem, 2.4vw, 1.9rem); margin: 14px 0 0; }
.ps-glance p:last-child { margin: 16px 0 0; color: var(--muted); font-size: 0.94rem; }
.ps-glance--navy {
  background: radial-gradient(500px 260px at 100% 0%, color-mix(in srgb, var(--color-accent-2) 30%, transparent), transparent 65%), var(--color-band);
  border-color: color-mix(in srgb, var(--color-on-band) 12%, transparent); color: var(--on-navy-muted);
}
.ps-glance--navy h2 { color: var(--on-navy); }
.ps-glance--navy .mini-label, .ps-glance--navy p:last-child { color: var(--on-navy-muted); }
.ps-status-stack { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; margin-top: 22px; }

/* Platform panel on /q9-continuous. */
.ps-platform {
  margin: 0; padding: clamp(22px, 2.6vw, 30px);
  background: radial-gradient(520px 300px at 100% 0%, color-mix(in srgb, var(--color-accent-2) 32%, transparent), transparent 65%), var(--color-band);
  border: 1px solid color-mix(in srgb, var(--color-on-band) 12%, transparent); border-radius: var(--radius-lg);
  box-shadow: var(--panel-shadow); color: var(--on-navy-muted);
}
.ps-platform-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid color-mix(in srgb, var(--color-on-band) 12%, transparent); }
.ps-platform-head .mini-label { color: var(--on-navy-muted); }
.ps-platform-list { list-style: none; margin: 0; padding: 0; }
.ps-platform-list li { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 2px 16px; padding: 16px 0; border-bottom: 1px solid color-mix(in srgb, var(--color-on-band) 10%, transparent); }
.ps-platform-list li:last-child { border-bottom: 0; padding-bottom: 4px; }
.ps-platform-list .step-number { grid-row: span 2; }
.ps-platform-list strong { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; color: var(--on-navy); font-size: 1rem; }
.ps-platform-list .ps-sub { font-size: 0.88rem; line-height: 1.55; }
.ps-platform figcaption { font-size: 0.82rem; border-top: 1px solid color-mix(in srgb, var(--color-on-band) 12%, transparent); padding-top: 14px; margin-top: 10px; }
.ps-platform .badge--early, .ps-glance--navy .badge--early { background: color-mix(in srgb, var(--color-on-band-signal) 14%, transparent); color: var(--on-navy-accent); }

/* ------------------------------------------------------------------ product notes */

.ps-split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.ps-split > .card { display: flex; flex-direction: column; align-items: flex-start; }
.ps-split > .card > .badge { margin-bottom: 14px; }
.ps-split p { color: var(--muted); }
.ps-split .check-list { margin: 6px 0 20px; font-size: 0.94rem; }
.ps-split .text-link { margin-top: auto; }
.ps-split > .ps-split-accent { border-top: 3px solid var(--electric); }
.ps-note { margin: 24px 0 0; max-width: 880px; }

/* ------------------------------------------------------------------ methodology flow */

.ps-flow { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 24px; align-items: stretch; }
.ps-flow-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.ps-flow-steps li, .ps-flow-loop { min-width: 0; position: relative; padding: 24px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.ps-flow-steps li:not(:last-child)::after { content: ""; position: absolute; top: 50%; right: -17px; width: 17px; height: 2px; background: linear-gradient(90deg, var(--electric), var(--cyan)); opacity: 0.6; }
.ps-flow-kicker { display: block; font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--electric-ink); }
.ps-flow h3 { font-size: 1.05rem; margin: 12px 0 6px; }
.ps-flow p { color: var(--muted); font-size: 0.92rem; margin: 0; }
.ps-flow-loop { border-style: dashed; border-color: color-mix(in srgb, var(--electric) 45%, var(--line)); background: color-mix(in srgb, var(--electric-soft) 55%, var(--surface)); }
.ps-flow-loop::before { content: ""; position: absolute; top: 50%; left: -25px; width: 24px; height: 2px; background: linear-gradient(90deg, var(--cyan), var(--electric)); opacity: 0.6; }
.ps-flow-loop .ps-flow-kicker { color: var(--cyan-ink); }
.ps-flow-loop ul { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 10px; }
.ps-flow-loop li { padding: 12px 14px; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--line); }
.ps-flow-loop li strong { display: block; color: var(--ink); font-size: 0.95rem; }
.ps-flow-loop li span { display: block; color: var(--muted); font-size: 0.88rem; line-height: 1.55; margin-top: 2px; }

/* ------------------------------------------------------------------ product cards */

.ps-products { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin: 0; padding: 0; list-style: none; }
.ps-product { min-width: 0; display: flex; flex-direction: column; align-items: flex-start; scroll-margin-top: calc(var(--header-h) + 24px); }
.ps-product:target { border-color: var(--electric); box-shadow: 0 0 0 2px color-mix(in srgb, var(--electric) 40%, transparent), var(--card-shadow); }
.ps-product .card-index-row { min-height: 0; }
.ps-product h3 { font-size: 1.2rem; margin: 12px 0 8px; }
.ps-product > p { color: var(--muted); font-size: 0.93rem; margin: 0; }
.ps-product .price { margin-top: 16px; font-size: 1.6rem; }
.ps-product .check-list { margin: 18px 0 22px; font-size: 0.9rem; }
.ps-editions { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0 22px; padding: 0; list-style: none; }
.ps-editions .badge { white-space: normal; text-align: left; }
.ps-actions { margin-top: auto; display: grid; gap: 6px; width: 100%; }
.ps-actions .btn { width: 100%; font-size: 0.9rem; }
.ps-actions .text-link { justify-content: center; font-size: 0.92rem; }
.ps-product--public { background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%); }

/* ------------------------------------------------------------------ assurance pillars */

.ps-pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin: 0; padding: 0; list-style: none; }
.ps-pillars > li { min-width: 0; }
.ps-pillar-icon { display: inline-grid; place-items: center; width: 44px; height: 44px; margin-bottom: 16px; border-radius: var(--radius); background: var(--electric-soft); color: var(--electric-ink); }
.ps-pillar-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.ps-pillars p { color: var(--muted); font-size: 0.94rem; }
.ps-pillars .check-list { margin-top: 14px; font-size: 0.9rem; }

/* ------------------------------------------------------------------ what a proof says */

.ps-claims { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.ps-claims ul { margin: 14px 0 0; padding-left: 1.2em; color: var(--muted); font-size: 0.94rem; }
.ps-claims li + li { margin-top: 6px; }

/* ------------------------------------------------------------------ process, details, editions */

.ps-process { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.ps-process > li { min-width: 0; }
.ps-process .ps-flow-kicker { margin-bottom: 14px; }
.ps-process h3 { font-size: 1.05rem; }
.ps-process p { color: var(--muted); font-size: 0.94rem; }

.ps-detail-list { list-style: none; margin: 0; padding: 0; }
.ps-detail-list li { padding: 0 0 20px; margin: 0 0 20px; border-bottom: 1px solid var(--line); }
.ps-detail-list li:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: 0; }
.ps-detail-list h3 { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; font-size: 1.05rem; margin-bottom: 4px; }
.ps-detail-list p { color: var(--muted); font-size: 0.94rem; margin: 0; }
.ps-panel-foot { margin: 20px 0 0; color: var(--muted); font-size: 0.9rem; }
.split .card .text-link { margin-top: 16px; }

.ps-steps7 { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.ps-steps7 li { min-width: 0; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.ps-steps7 li > span { font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700; color: var(--electric-ink); }
.ps-steps7 h3 { font-size: 1rem; margin: 10px 0 4px; }
.ps-steps7 p { color: var(--muted); font-size: 0.9rem; margin: 0; }

.ps-editions-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin: 0; padding: 0; list-style: none; }
.ps-editions-grid > li { min-width: 0; display: flex; flex-direction: column; }
.ps-edition-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 10px; margin-bottom: 10px; }
.ps-edition-head h3 { margin: 0; font-size: 1.1rem; }
.ps-editions-grid p { color: var(--muted); font-size: 0.92rem; }
.ps-editions-grid .ps-edition-flag { margin: auto 0 0; padding-top: 8px; color: var(--warn); font-weight: 650; font-size: 0.88rem; }

.ps-offer { border-top: 3px solid var(--electric); }
.ps-offer-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.ps-offer-head h3 { margin: 0; }
.ps-offer .check-list { margin: 18px 0; font-size: 0.94rem; }
.ps-offer .btn { margin-top: 18px; }

.ps-table { margin-top: 28px; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.ps-table table { width: 100%; border-collapse: collapse; font-size: 0.94rem; }
.ps-table th, .ps-table td { padding: 16px 20px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); min-width: 170px; }
.ps-table thead th { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); background: var(--surface-2); font-weight: 600; }
.ps-table tbody th { color: var(--ink); font-weight: 650; }
.ps-table tbody tr:last-child > * { border-bottom: 0; }

/* ------------------------------------------------------------------ product-page contact */

.ps-contact { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
.ps-contact-aside { margin-top: 24px; padding: 18px 20px; border-left: 3px solid var(--cyan); background: var(--surface); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.ps-contact-aside p { margin: 8px 0 0; font-size: 0.94rem; }
.ps-contact-aside p.muted { font-size: 0.88rem; }
.ps-contact .form optgroup { font-style: normal; font-weight: 650; }

/* ------------------------------------------------------------------ verification pages */

.ps-proof { padding: clamp(32px, 5vw, 64px) 0 clamp(56px, 8vw, 96px); }
.ps-proof-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 48px); align-items: start; }
.ps-proof h1 { font-size: clamp(2.2rem, 4.2vw, 3.3rem); margin-bottom: 14px; }
.ps-proof .lead { margin-bottom: 0; }
.proof-lookup { margin: 28px 0 22px; padding: 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--card-shadow); }
.proof-lookup label { display: block; margin-bottom: 8px; font-weight: 650; color: var(--ink); }
.proof-input-row { display: flex; gap: 10px; align-items: stretch; }
.proof-input-row input {
  flex: 1; min-width: 0; min-height: 48px; padding: 11px 14px;
  border: 1px solid var(--line-strong); border-radius: 10px; background: var(--surface); color: var(--ink);
  font-family: var(--font-mono); font-size: 0.95rem;
}
.proof-input-row input::placeholder { color: var(--muted); opacity: 1; }
.proof-input-row input:focus-visible { outline: none; border-color: var(--electric); box-shadow: 0 0 0 3px color-mix(in srgb, var(--electric) 30%, transparent); }
.proof-lookup .form-note { margin: 10px 0 0; font-size: 0.86rem; color: var(--muted); }

.verification-state { padding: clamp(22px, 2.6vw, 30px); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--card-shadow); }
.verification-state h2 { font-size: 1.3rem; margin: 16px 0 8px; }
.verification-state p { color: var(--muted); font-size: 0.95rem; margin: 0; }
.verification-state[data-result="valid"] { border-color: var(--success); box-shadow: 0 0 0 1px var(--success), var(--card-shadow); }
.verification-state:is([data-result="stale"], [data-result="expired"], [data-result="revoked"], [data-result="invalid_signature"], [data-result="not_found"], [data-result="malformed"], [data-result="unconfirmed"]) { border-color: var(--critical); }
.verification-state[data-result="pending"] .badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; }
@media (prefers-reduced-motion: no-preference) {
  .verification-state[data-result="pending"] .badge::before { animation: ps-spin 0.8s linear infinite; }
}
@keyframes ps-spin { to { transform: rotate(360deg); } }
.verification-state .proof-facts { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); }
.verification-state .proof-statement { margin-top: 18px; color: var(--text); font-size: 0.92rem; }

.proof-facts { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 24px; }
.proof-facts div { min-width: 0; }
.proof-facts dt { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.proof-facts dd { margin: 0; color: var(--ink); font-size: 0.95rem; overflow-wrap: anywhere; }
.proof-limitations { margin: 26px 0 0; padding-top: 22px; border-top: 1px solid var(--line); }
.proof-limitations h3 { font-size: 1rem; margin-bottom: 6px; }
.proof-limitations p { color: var(--muted); font-size: 0.92rem; margin: 0; }
.proof-limitations .text-link { margin-top: 12px; }
.proof-footnote { margin: 18px 0 0; font-size: 0.86rem; color: var(--muted); }

.sample-notice { display: grid; gap: 2px; margin: 0 0 28px; padding: 14px 18px; border: 1px solid var(--line); border-left: 3px solid var(--warn); border-radius: var(--radius-sm); background: var(--warn-bg); font-size: 0.92rem; }
.sample-notice strong { color: var(--warn); }
.sample-notice span { color: var(--text); }
.sample-switch { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 22px; }
.sample-switch [aria-pressed="true"] { border-color: var(--electric); color: var(--electric-ink); background: var(--electric-soft); }
.proof-card { position: relative; overflow: hidden; padding: clamp(22px, 3vw, 34px); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--card-shadow); }
.proof-card::before { content: "SAMPLE"; position: absolute; top: 18px; right: -38px; transform: rotate(35deg); padding: 3px 46px; background: var(--warn-bg); color: var(--warn); font-family: var(--font-mono); font-size: 0.62rem; font-weight: 700; letter-spacing: 0.16em; }
.proof-card-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 34px 20px 0; margin-bottom: 22px; border-bottom: 1px solid var(--line); }
.proof-card-head img { width: 42px; height: 42px; border-radius: 10px; }
.proof-card-head .mini-label { text-align: right; }
.proof-card h2 { font-size: clamp(1.35rem, 2.4vw, 1.7rem); margin-bottom: 4px; }
.proof-card > .muted { margin: 0; font-size: 0.92rem; }
.proof-status { margin: 22px 0; padding: 20px; background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius); }
.proof-status h3 { font-size: 1.02rem; margin: 14px 0 4px; }
.proof-status p { color: var(--muted); font-size: 0.92rem; margin: 0; }
.proof-card .form-status { margin-top: 12px; }

.ps-proof-aside { display: grid; gap: 16px; position: sticky; top: calc(var(--header-h) + 24px); }
.ps-proof-aside .card h2 { font-size: 1.08rem; margin-bottom: 8px; }
.ps-proof-aside .card p { color: var(--muted); font-size: 0.92rem; }
.ps-proof-aside .text-link { margin-top: 8px; }
.ps-results { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 12px; }
.ps-results li { display: grid; gap: 6px; font-size: 0.9rem; color: var(--muted); line-height: 1.55; }
.ps-results .badge { justify-self: start; }
.ps-steps-mini { counter-reset: ps; list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 12px; }
.ps-steps-mini li { counter-increment: ps; display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 12px; font-size: 0.9rem; color: var(--muted); line-height: 1.55; }
.ps-steps-mini li::before { content: counter(ps); display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; border: 2px solid var(--electric); color: var(--electric-ink); font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700; }

/* ------------------------------------------------------------------ reveal motion
   Only active when public-pages.js adds .ps-motion to <html> (never under prefers-reduced-motion),
   and only for content that starts below the fold. Movement only: opacity is never lowered, so
   text keeps full contrast at every point of the transition. */
.ps-motion .ps-reveal.ps-pending { transform: translateY(22px); transition: transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1); }
.ps-motion .ps-reveal.ps-pending.ps-in { transform: none; }
/* Revealed link cards: keep the 0.7 s reveal on `transform`, but give the hover lift (on the separate
   `translate` property) and the border/shadow change the site's fast card timing (home.css .card--link). */
.ps-motion .ps-reveal.ps-pending.ps-in.card--link {
  transition: transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1), translate var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .ps-motion .ps-reveal.ps-pending.ps-in.card--link:hover { translate: 0 -2px; }
}
@media print { .ps-motion .ps-reveal.ps-pending { transform: none; } }
@media (prefers-reduced-motion: reduce) { .ps-motion .ps-reveal.ps-pending { transform: none; transition: none; } }

/* ------------------------------------------------------------------ responsive */

@media (max-width: 1100px) {
  .ps-products, .ps-editions-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ps-steps7 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ps-flow { grid-template-columns: minmax(0, 1fr); }
  .ps-flow-loop::before { top: -17px; left: 50%; width: 2px; height: 16px; }
  .ps-proof-grid { grid-template-columns: minmax(0, 1fr); }
  .ps-proof-aside { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .ps-split, .ps-claims, .ps-pillars, .ps-process, .ps-contact { grid-template-columns: minmax(0, 1fr); }
  .ps-steps7 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ps-flow-steps { grid-template-columns: minmax(0, 1fr); }
  .ps-flow-steps li:not(:last-child)::after { top: auto; bottom: -17px; right: auto; left: 50%; width: 2px; height: 17px; }
}
@media (max-width: 700px) {
  .ps-products, .ps-editions-grid, .ps-proof-aside { grid-template-columns: minmax(0, 1fr); }
  .proof-input-row { flex-direction: column; }
  .proof-facts { grid-template-columns: minmax(0, 1fr); }
  .ps-hero h1 br { display: none; }
  .ps-tagline { font-size: 0.84rem; }
}
@media (max-width: 480px) {
  .ps-steps7 { grid-template-columns: minmax(0, 1fr); }
  .proof-card-head .mini-label { max-width: 170px; }
}