/* Quantum Analytics — product page styles, all scoped under .qa-shell. */

.qa-shell {
  --qa-bg:         oklch(0.19 0.02 275);
  --qa-bg-2:       oklch(0.16 0.02 285);
  --qa-bg-deep:    oklch(0.10 0.02 280);
  --qa-card:       oklch(0.13 0.01 274);
  --qa-card-2:     oklch(0.165 0.018 275);
  --qa-line:       rgba(180, 160, 240, 0.10);
  --qa-line-2:     rgba(180, 160, 240, 0.18);
  --qa-line-3:     rgba(180, 160, 240, 0.28);

  --qa-fg:         oklch(0.985 0 0);
  --qa-fg-dim:     oklch(0.78 0.012 275);
  --qa-fg-faint:   oklch(0.55 0.015 275);
  --qa-fg-quiet:   oklch(0.42 0.012 275);

  --qa-blue:       oklch(0.62 0.21 264);
  --qa-blue-deep:  oklch(0.49 0.24 264);
  --qa-blue-soft:  rgba(82, 130, 255, 0.18);
  --qa-blue-line:  rgba(82, 130, 255, 0.38);
  --qa-blue-glow:  rgba(82, 130, 255, 0.40);

  --qa-emerald:    oklch(0.70 0.17 162);
  --qa-emerald-2:  oklch(0.78 0.15 162);
  --qa-emerald-soft: rgba(45, 196, 145, 0.14);
  --qa-emerald-line: rgba(45, 196, 145, 0.34);

  --qa-crimson:    oklch(0.65 0.25 16);
  --qa-crimson-2:  oklch(0.74 0.18 16);
  --qa-crimson-soft: rgba(255, 80, 90, 0.12);
  --qa-crimson-line: rgba(255, 80, 90, 0.34);

  --qa-magenta:    oklch(0.63 0.27 304);

  --qa-grad-cta:     linear-gradient(135deg, oklch(0.49 0.24 264) 0%, oklch(0.62 0.27 290) 100%);
  --qa-grad-text:    linear-gradient(95deg, oklch(0.85 0.11 220) 0%, oklch(0.92 0.06 200) 60%, oklch(0.92 0.04 180) 100%);
  --qa-grad-emerald: linear-gradient(135deg, oklch(0.78 0.15 162), oklch(0.62 0.19 162));
  --qa-grad-crimson: linear-gradient(135deg, oklch(0.74 0.18 16), oklch(0.55 0.25 16));

  --qa-glow-blue:    0 0 32px rgba(82, 130, 255, 0.40);
  --qa-glow-crimson: 0 0 32px rgba(255, 80, 90, 0.30);

  --qa-font:       "Geist", "Inter", system-ui, -apple-system, sans-serif;
  --qa-mono:       "JetBrains Mono", "Geist Mono", ui-monospace, monospace;
  --qa-serif:      "Fraunces", "Times New Roman", Georgia, serif;

  background: var(--qa-bg);
  color: var(--qa-fg);
  font-family: var(--qa-font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.qa-page { background: oklch(0.19 0.02 275); }

.qa-shell ::selection { background: rgba(82, 130, 255, 0.40); color: white; }
.qa-shell a { color: inherit; transition: color .15s ease; }
.qa-shell button { font-family: inherit; }

/* ── Atoms ──────────────────────────────────────────────────── */
.qa-container { max-width: 1280px; margin: 0 auto; padding: 0 56px; }

.qa-mono {
  font-family: var(--qa-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--qa-fg-faint);
}
.qa-mono--blue { color: var(--qa-blue); }
.qa-mono--emerald { color: var(--qa-emerald-2); }
.qa-mono--crimson { color: var(--qa-crimson-2); }
.qa-mono--dim { color: var(--qa-fg-dim); }
.qa-mono--quiet { color: var(--qa-fg-quiet); }
.qa-mono--fg { color: var(--qa-fg); }

.qa-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--qa-mono); font-size: 11px;
  padding: 4px 9px; border-radius: 999px;
}
.qa-pill--vis {
  letter-spacing: 0.02em;
  color: var(--qa-emerald-2);
  background: var(--qa-emerald-soft);
  border: 1px solid var(--qa-emerald-line);
}
.qa-pill--vis::before {
  content: ""; width: 5px; height: 5px; border-radius: 999px;
  background: var(--qa-grad-emerald);
}
.qa-pill--dark {
  letter-spacing: 0.02em;
  color: var(--qa-crimson-2);
  background: var(--qa-crimson-soft);
  border: 1px solid var(--qa-crimson-line);
}
.qa-pill--dark::before {
  content: ""; width: 5px; height: 5px; border-radius: 999px;
  background: var(--qa-grad-crimson);
}
.qa-pill--ghost {
  letter-spacing: 0.04em;
  color: var(--qa-fg-dim);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--qa-line-2);
}

.qa-grad-text {
  background-image: var(--qa-grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
  display: inline-block;
  padding-right: 0.08em;
}

.qa-section-eyebrow {
  display: flex; align-items: center; gap: 14px; margin-bottom: 28px;
}
.qa-section-eyebrow__rule {
  width: 22px; height: 1px;
  background: var(--qa-blue); opacity: 0.6;
}
.qa-section-eyebrow__rule--emerald { background: var(--qa-emerald-2); }
.qa-section-eyebrow__rule--crimson { background: var(--qa-crimson-2); }

.qa-display {
  font-family: var(--qa-font); font-weight: 600;
  color: var(--qa-fg); margin: 0;
  text-wrap: balance;
}
.qa-display--xxl { font-size: 72px; line-height: 1.02; letter-spacing: -0.035em; }
.qa-display--xl  { font-size: 64px; line-height: 1.02; letter-spacing: -0.035em; }
.qa-display--lg  { font-size: 56px; line-height: 1.04; letter-spacing: -0.03em; }
.qa-display--md  { font-size: 48px; line-height: 1.05; letter-spacing: -0.03em; }

.qa-body {
  font-family: var(--qa-font); font-size: 15px; line-height: 1.6;
  color: var(--qa-fg-dim); margin: 0;
  text-wrap: pretty;
}
.qa-body--lg { font-size: 16px; }
.qa-body--xl { font-size: 20px; line-height: 1.5; }

/* ── Buttons ────────────────────────────────────────────────── */
.qa-btn {
  font-family: var(--qa-font); font-weight: 500;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px;
  border-radius: 999px;
  text-decoration: none;
}
.qa-btn--primary {
  color: white;
  background: var(--qa-grad-cta);
  background-size: 180% 100%; background-position: 0% 50%;
  border: none;
  padding: 14px 24px; font-size: 15px;
  box-shadow: var(--qa-glow-blue);
  transition: background-position .4s ease, transform .15s ease;
}
.qa-btn--primary:hover { background-position: 100% 50%; }
.qa-btn--ghost {
  color: var(--qa-fg);
  background: transparent;
  border: 1px solid var(--qa-line-3);
  padding: 14px 22px; font-size: 15px;
}
.qa-btn--lg { padding: 16px 28px; font-size: 16px; }
.qa-btn--lg.qa-btn--ghost { padding: 16px 26px; }

/* ── Hero ───────────────────────────────────────────────────── */
.qa-hero {
  position: relative;
  min-height: 920px;
  padding: 120px 0 80px;
  background: var(--qa-bg);
  overflow: hidden;
  border-bottom: 1px solid var(--qa-line);
}
.qa-hero__backdrop {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none;
}
.qa-hero__glow-blue {
  position: absolute; left: -10%; top: -20%; width: 70%; height: 110%;
  background: radial-gradient(closest-side, rgba(82, 130, 255, 0.22), transparent 70%);
  filter: blur(8px);
  animation: qaDrift 18s ease-in-out infinite alternate;
}
.qa-hero__glow-crimson {
  position: absolute; right: -10%; top: 20%; width: 60%; height: 90%;
  background: radial-gradient(closest-side, rgba(255, 80, 90, 0.10), transparent 70%);
  filter: blur(8px);
  animation: qaDrift2 22s ease-in-out infinite alternate;
}
.qa-hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(180, 160, 240, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(180, 160, 240, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 0%, transparent 70%);
  mask-image: radial-gradient(ellipse at 50% 30%, black 0%, transparent 70%);
  opacity: 0.7;
}
.qa-hero__content { position: relative; z-index: 2; }
.qa-hero__center { max-width: 1180px; margin: 40px auto 0; text-align: center; }

.qa-eyebrow-tag {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 28px;
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--qa-line-2);
  background: rgba(255, 255, 255, 0.02);
}
.qa-eyebrow-tag__dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: var(--qa-emerald);
  box-shadow: 0 0 10px rgba(45, 196, 145, 0.7);
}

.qa-lede {
  font-family: var(--qa-font); font-size: 20px; line-height: 1.5;
  color: var(--qa-fg-dim); max-width: 760px; margin: 28px auto 0;
  text-wrap: pretty;
}
.qa-hero__ctas {
  display: flex; gap: 14px; justify-content: center;
  margin-top: 40px; flex-wrap: wrap;
}

.qa-hero__diagram-wrap {
  max-width: 1180px; margin: 72px auto 0; position: relative;
}
.qa-hero__diagram-floor {
  position: absolute; left: 10%; right: 10%; bottom: -40px; height: 140px;
  background: radial-gradient(closest-side, rgba(82, 130, 255, 0.36), transparent 70%);
  filter: blur(20px); pointer-events: none;
}

/* ── Visibility-boundary diagram (hero) ─────────────────────── */
.qa-vb {
  position: relative; border-radius: 14px; overflow: hidden;
  background: var(--qa-card);
  border: 1px solid var(--qa-line-2);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}
.qa-vb__bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 18px; border-bottom: 1px solid var(--qa-line);
  background: rgba(255, 255, 255, 0.02);
  gap: 14px; flex-wrap: wrap;
}
.qa-vb__bar-left {
  display: flex; align-items: center; gap: 10px;
}
.qa-vb__bar-right {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.qa-vb__svg { display: block; width: 100%; height: auto; }

/* ── Problem strip ─────────────────────────────────────────── */
.qa-problem {
  padding: 64px 0; position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--qa-bg) 0%, var(--qa-bg-2) 100%);
  border-top: 1px solid var(--qa-line);
  border-bottom: 1px solid var(--qa-line);
}
.qa-problem__wash {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(255, 80, 90, 0.14), transparent 60%);
  pointer-events: none;
}
.qa-problem__inner {
  position: relative;
  display: grid; grid-template-columns: 180px 1fr; gap: 36px; align-items: center;
}
.qa-problem__label {
  display: flex; flex-direction: column; gap: 6px;
}
.qa-problem__label-stat {
  font-family: var(--qa-mono); font-size: 10px; color: var(--qa-fg-quiet);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.qa-problem__line {
  font-family: var(--qa-font); font-weight: 500;
  font-size: 32px; line-height: 1.25; letter-spacing: -0.02em;
  color: var(--qa-fg); text-wrap: balance;
}
.qa-problem__line .crimson { color: var(--qa-crimson-2); }
.qa-problem__line .dim { color: var(--qa-fg-dim); }

/* ── Generic section frame ──────────────────────────────────── */
.qa-section { padding: 120px 0; background: var(--qa-bg); position: relative; }
.qa-section--card {
  background: var(--qa-card);
  border-top: 1px solid var(--qa-line);
  border-bottom: 1px solid var(--qa-line);
}

.qa-twocol {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 60px; align-items: flex-end; margin-bottom: 56px;
}
.qa-twocol h2 { margin: 0; }
.qa-twocol p { margin: 0; }

/* ── Honesty table ─────────────────────────────────────────── */
.qa-honesty {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--qa-line);
  border: 1px solid var(--qa-line);
  border-radius: 12px;
  overflow: hidden;
}
.qa-honesty__col {
  padding: 36px 32px 38px;
  display: flex; flex-direction: column; gap: 22px;
  position: relative; overflow: hidden;
}
.qa-honesty__col--vis { background: var(--qa-card); }
.qa-honesty__col--dark { background: var(--qa-bg-deep); }
.qa-honesty__col--vis::before {
  content: "";
  position: absolute; top: -120px; left: -120px; width: 320px; height: 320px;
  background: radial-gradient(closest-side, rgba(45, 196, 145, 0.18), transparent 70%);
  pointer-events: none;
}
.qa-honesty__col--dark::before {
  content: "";
  position: absolute; top: -120px; right: -120px; width: 320px; height: 320px;
  background: radial-gradient(closest-side, rgba(255, 80, 90, 0.18), transparent 70%);
  pointer-events: none;
}
.qa-honesty__head {
  display: flex; align-items: center; justify-content: space-between;
  position: relative; gap: 12px; flex-wrap: wrap;
}
.qa-honesty__title-wrap { display: flex; align-items: center; gap: 10px; }
.qa-honesty__badge {
  width: 24px; height: 24px; border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--qa-mono); font-size: 13px; font-weight: 700;
}
.qa-honesty__badge--vis {
  background: var(--qa-grad-emerald);
  color: oklch(0.12 0.02 280);
}
.qa-honesty__badge--dark {
  background: transparent;
  border: 1px dashed var(--qa-crimson-line);
  color: var(--qa-crimson-2);
}
.qa-honesty__title {
  font-family: var(--qa-font); font-weight: 600; font-size: 22px;
  color: var(--qa-fg); letter-spacing: -0.01em;
}
.qa-honesty__col--dark .qa-honesty__title { opacity: 0.92; }
.qa-honesty__list {
  margin: 0; padding: 0; list-style: none;
  display: flex; flex-direction: column; gap: 14px;
  position: relative;
}
.qa-honesty__row {
  padding-left: 22px; padding-top: 14px;
  position: relative;
  border-top: 1px solid var(--qa-line);
}
.qa-honesty__col--dark .qa-honesty__row {
  border-top-style: dashed; opacity: 0.85;
}
.qa-honesty__row::before {
  position: absolute; left: 0; top: 16px;
  font-family: var(--qa-mono); font-size: 12px; font-weight: 700;
}
.qa-honesty__col--vis .qa-honesty__row::before {
  content: "✓"; color: var(--qa-emerald-2);
}
.qa-honesty__col--dark .qa-honesty__row::before {
  content: "✕"; color: var(--qa-crimson-2);
}
.qa-honesty__row-t {
  font-family: var(--qa-font); font-size: 15.5px;
  color: var(--qa-fg); line-height: 1.35;
}
.qa-honesty__col--dark .qa-honesty__row-t { color: var(--qa-fg-dim); }
.qa-honesty__row-sub {
  font-family: var(--qa-mono); font-size: 11px;
  color: var(--qa-fg-faint); margin-top: 4px; letter-spacing: 0.02em;
}
.qa-honesty__col--dark .qa-honesty__row-sub { color: var(--qa-fg-quiet); }

/* ── Differentiator tiles ──────────────────────────────────── */
.qa-diffs-section { overflow: hidden; }
.qa-diffs-wash {
  position: absolute; top: 20%; left: 50%; width: 900px; height: 480px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(82, 130, 255, 0.18), transparent 70%);
  filter: blur(20px); pointer-events: none;
}
.qa-diffs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--qa-line);
  border: 1px solid var(--qa-line);
  border-radius: 12px;
  overflow: hidden;
}
.qa-diff {
  background: var(--qa-card); padding: 32px 28px 34px;
  display: flex; flex-direction: column; gap: 22px;
}
.qa-diff__head {
  display: flex; align-items: center; justify-content: space-between;
}
.qa-diff__title {
  font-family: var(--qa-font); font-weight: 600; font-size: 22px;
  letter-spacing: -0.02em; color: var(--qa-fg);
  margin: 0 0 10px; text-wrap: balance;
}
.qa-diff__claim {
  font-family: var(--qa-font); font-size: 15px; line-height: 1.45;
  color: var(--qa-fg); margin-bottom: 14px; text-wrap: pretty;
}
.qa-diff__proof {
  font-family: var(--qa-font); font-size: 13.5px; line-height: 1.55;
  color: var(--qa-fg-dim); text-wrap: pretty;
}
.qa-diff__stat {
  margin-top: auto; padding-top: 18px;
  border-top: 1px solid var(--qa-line);
  display: flex; align-items: baseline; gap: 12px;
}
.qa-diff__stat-num {
  font-family: var(--qa-mono); font-size: 28px; font-weight: 500;
  color: var(--qa-fg); letter-spacing: -0.01em;
}
.qa-diff__stat-label {
  font-family: var(--qa-mono); font-size: 10px; color: var(--qa-fg-faint);
  letter-spacing: 0.06em; text-transform: uppercase;
}

/* ── Use-case tiles ─────────────────────────────────────────── */
.qa-usecases {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--qa-line);
  border: 1px solid var(--qa-line);
  border-radius: 12px;
  overflow: hidden;
}
.qa-usecase {
  background: var(--qa-card); padding: 28px 26px 30px;
  display: flex; flex-direction: column; gap: 18px;
  position: relative; overflow: hidden;
}
.qa-usecase--featured {
  background: var(--qa-card-2);
}
.qa-usecase--featured::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--qa-grad-emerald);
}
.qa-usecase__head {
  display: flex; justify-content: space-between; align-items: center;
}
.qa-usecase__headline {
  font-family: var(--qa-font); font-weight: 600; font-size: 19px;
  letter-spacing: -0.015em; color: var(--qa-fg);
  margin: 0 0 10px; line-height: 1.25; text-wrap: balance;
}
.qa-usecase__body {
  font-family: var(--qa-font); font-size: 13.5px; line-height: 1.55;
  color: var(--qa-fg-dim); margin: 0; text-wrap: pretty;
}
.qa-usecase__chips {
  margin-top: auto; padding-top: 16px;
  border-top: 1px solid var(--qa-line);
  display: flex; flex-wrap: wrap; gap: 6px;
}
.qa-usecase__svg { display: block; width: 100%; height: auto; }

/* ── Journey timeline ───────────────────────────────────────── */
.qa-journey-section { overflow: hidden; }
.qa-journey-wash {
  position: absolute; left: 50%; top: 40%; width: 1200px; height: 600px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(82, 130, 255, 0.08), transparent 70%);
  filter: blur(30px); pointer-events: none;
}
.qa-quote {
  margin: 0 0 64px; padding: 36px 44px;
  border-left: 2px solid var(--qa-emerald);
  background: linear-gradient(90deg, rgba(45, 196, 145, 0.06), transparent 80%);
  font-family: var(--qa-serif); font-style: italic;
  font-weight: 400; font-size: 38px; line-height: 1.2;
  color: var(--qa-fg); letter-spacing: -0.015em;
  text-wrap: balance;
}
.qa-quote__attr {
  margin-top: 14px; font-family: var(--qa-mono); font-size: 11px;
  font-style: normal;
  color: var(--qa-fg-faint); letter-spacing: 0.08em; text-transform: uppercase;
}
.qa-timeline { position: relative; }
.qa-timeline__spine {
  position: absolute; left: 18px; top: 8px; bottom: 8px; width: 1px;
  background: linear-gradient(180deg,
    var(--qa-emerald) 0%, var(--qa-emerald) 78%,
    var(--qa-crimson-line) 78%, var(--qa-crimson-line) 100%);
  opacity: 0.55;
}
.qa-timeline__rows {
  display: flex; flex-direction: column; gap: 22px;
}
.qa-jrow {
  display: grid; grid-template-columns: 40px 160px 1fr 280px; gap: 24px;
  align-items: flex-start;
  padding: 20px 24px; border-radius: 10px;
  position: relative;
}
.qa-jrow--lit {
  background: var(--qa-card);
  border: 1px solid var(--qa-line-2);
}
.qa-jrow--peak {
  border-color: var(--qa-emerald-line);
  box-shadow: 0 0 30px rgba(45, 196, 145, 0.18);
}
.qa-jrow--dark {
  background: transparent;
  border: 1px dashed rgba(255, 80, 90, 0.25);
  opacity: 0.55;
}
.qa-jrow__node { position: relative; height: 24px; }
.qa-jrow__node-dot {
  position: absolute; left: 14px; top: 4px;
  width: 12px; height: 12px; border-radius: 999px;
}
.qa-jrow--lit .qa-jrow__node-dot {
  background: var(--qa-blue);
}
.qa-jrow--peak .qa-jrow__node-dot {
  background: var(--qa-emerald);
  box-shadow: 0 0 16px rgba(45, 196, 145, 0.7);
}
.qa-jrow--dark .qa-jrow__node-dot {
  background: var(--qa-bg-deep);
  border: 1px dashed var(--qa-crimson-line);
}
.qa-jrow__when {
  font-family: var(--qa-mono); font-size: 11px; color: var(--qa-fg-faint);
  margin-top: 4px; letter-spacing: 0.04em;
}
.qa-jrow__head {
  font-family: var(--qa-font); font-weight: 600; font-size: 20px;
  color: var(--qa-fg); letter-spacing: -0.015em;
  margin: 0 0 8px; text-wrap: balance;
}
.qa-jrow__body {
  font-family: var(--qa-font); font-size: 14.5px; line-height: 1.55;
  margin: 0; max-width: 580px; text-wrap: pretty;
}
.qa-jrow--lit .qa-jrow__body { color: var(--qa-fg-dim); }
.qa-jrow--dark .qa-jrow__body { color: var(--qa-fg-faint); }
.qa-jrow__chips {
  display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end;
}

/* ── Features grid ──────────────────────────────────────────── */
.qa-features {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--qa-line);
  border: 1px solid var(--qa-line);
  border-radius: 12px;
  overflow: hidden;
}
.qa-feature {
  background: var(--qa-card);
  padding: 22px 22px 24px;
  display: flex; flex-direction: column; gap: 12px;
  min-height: 168px;
}
.qa-feature__icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: rgba(82, 130, 255, 0.08);
  border: 1px solid var(--qa-blue-line);
  display: inline-flex; align-items: center; justify-content: center;
  color: oklch(0.85 0.11 220);
}
.qa-feature__name {
  font-family: var(--qa-font); font-weight: 600; font-size: 15px;
  color: var(--qa-fg); letter-spacing: -0.01em;
}
.qa-feature__line {
  font-family: var(--qa-font); font-size: 12.5px; line-height: 1.5;
  color: var(--qa-fg-dim); margin: 0; text-wrap: pretty;
}
.qa-features__foot {
  margin-top: 28px; font-family: var(--qa-mono); font-size: 11px;
  color: var(--qa-fg-faint); letter-spacing: 0.06em; text-transform: uppercase;
  text-align: center;
}

/* ── Integration code ───────────────────────────────────────── */
.qa-integration-wash {
  position: absolute; top: 50%; left: 50%; width: 1100px; height: 380px;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(82, 130, 255, 0.16), transparent 70%);
  filter: blur(30px); pointer-events: none;
}
.qa-code {
  border-radius: 12px; overflow: hidden;
  background: var(--qa-bg-deep);
  border: 1px solid var(--qa-line-2);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}
.qa-code__bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 18px; border-bottom: 1px solid var(--qa-line);
  background: rgba(255, 255, 255, 0.02); gap: 12px; flex-wrap: wrap;
}
.qa-code__lights { display: inline-flex; gap: 6px; }
.qa-code__lights span { width: 10px; height: 10px; border-radius: 999px; }
.qa-code__lights span:nth-child(1) { background: rgba(255, 80, 90, 0.6); }
.qa-code__lights span:nth-child(2) { background: rgba(255, 200, 90, 0.6); }
.qa-code__lights span:nth-child(3) { background: rgba(45, 196, 145, 0.7); }
.qa-code__bar-left { display: flex; align-items: center; gap: 10px; }
.qa-code__copy {
  background: rgba(82, 130, 255, 0.10);
  border: 1px solid var(--qa-blue-line);
  color: oklch(0.85 0.11 220); cursor: pointer;
  padding: 5px 12px; border-radius: 6px;
  font-family: var(--qa-mono); font-size: 10px;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.qa-code__body {
  display: grid; grid-template-columns: 1fr 320px;
}
.qa-code__pre {
  margin: 0; padding: 24px 24px 26px;
  font-family: var(--qa-mono); font-size: 14px; line-height: 1.7;
  color: oklch(0.92 0.04 200); white-space: pre;
  overflow-x: auto;
}
.qa-code__pre .tag { color: oklch(0.85 0.11 220); }
.qa-code__pre .val { color: oklch(0.78 0.15 162); }
.qa-code__pre .com { color: var(--qa-fg-faint); }
.qa-code__notes {
  border-left: 1px solid var(--qa-line);
  padding: 24px 22px;
  display: flex; flex-direction: column; gap: 14px;
  background: rgba(0, 0, 0, 0.2);
}
.qa-code__note {
  display: flex; flex-direction: column; gap: 4px;
  padding-left: 12px; border-left: 2px solid var(--qa-blue-line);
}
.qa-code__note-v {
  font-family: var(--qa-font); font-size: 13px; color: var(--qa-fg);
}
.qa-code__note-sub {
  font-family: var(--qa-mono); font-size: 10.5px; color: var(--qa-fg-faint);
  letter-spacing: 0.04em;
}
.qa-integration__notes {
  margin-top: 36px; display: flex; gap: 22px; flex-wrap: wrap;
  font-family: var(--qa-mono); font-size: 11px;
  color: var(--qa-fg-faint); letter-spacing: 0.06em; text-transform: uppercase;
}

/* ── Pricing ────────────────────────────────────────────────── */
.qa-pricing-toggle {
  margin-bottom: 24px; display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--qa-line-2);
  background: rgba(255, 255, 255, 0.02);
}
.qa-pricing-toggle__current {
  font-family: var(--qa-mono); font-size: 11px; color: var(--qa-fg);
  letter-spacing: 0.04em;
}
.qa-pricing-toggle__hint {
  font-family: var(--qa-mono); font-size: 10px; color: var(--qa-fg-faint);
  letter-spacing: 0.06em; text-transform: uppercase;
}
.qa-tiers {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.qa-tier {
  background: var(--qa-card);
  border: 1px solid var(--qa-line-2);
  border-radius: 12px; padding: 28px 26px 30px;
  display: flex; flex-direction: column; gap: 16px;
  position: relative; overflow: hidden;
}
.qa-tier--featured {
  background: var(--qa-card-2);
  border-color: var(--qa-blue-line);
  box-shadow: var(--qa-glow-blue);
}
.qa-tier__pop {
  position: absolute; top: 14px; right: 16px;
}
.qa-tier__name {
  font-family: var(--qa-font); font-weight: 600; font-size: 20px;
  color: var(--qa-fg); letter-spacing: -0.01em;
}
.qa-tier__desc {
  font-family: var(--qa-font); font-size: 13px; color: var(--qa-fg-dim);
  margin-top: 4px; text-wrap: pretty;
}
.qa-tier__price {
  display: flex; align-items: baseline; gap: 10px; margin-top: 4px;
}
.qa-tier__price-num {
  font-family: var(--qa-font); font-size: 36px; font-weight: 600;
  color: var(--qa-fg); letter-spacing: -0.02em;
}
.qa-tier__price-unit {
  font-family: var(--qa-mono); font-size: 11px; color: var(--qa-fg-faint);
}
.qa-tier__pts {
  margin: 8px 0 0; padding: 0; list-style: none;
  display: flex; flex-direction: column; gap: 9px;
}
.qa-tier__pts li {
  font-family: var(--qa-font); font-size: 13.5px; color: var(--qa-fg-dim);
  padding-left: 18px; position: relative; line-height: 1.4;
}
.qa-tier__pts li::before {
  content: "✓"; position: absolute; left: 0; top: 4px;
  color: var(--qa-emerald-2); font-size: 11px;
}
.qa-tier__cta {
  margin-top: auto;
  font-family: var(--qa-font); font-size: 14px; font-weight: 500;
  color: white; cursor: pointer;
  background: transparent;
  border: 1px solid var(--qa-line-3);
  padding: 12px 20px; border-radius: 999px;
  text-decoration: none; text-align: center;
  display: inline-flex; align-items: center; justify-content: center;
}
.qa-tier__cta--primary {
  background: var(--qa-grad-cta); border: none;
  box-shadow: 0 0 24px rgba(82, 130, 255, 0.4);
}
.qa-pricing__note {
  margin-top: 28px; padding: 16px 20px; border-radius: 8px;
  background: rgba(255, 200, 90, 0.05);
  border: 1px solid rgba(255, 200, 90, 0.18);
  font-family: var(--qa-mono); font-size: 11px;
  color: oklch(0.82 0.13 90); letter-spacing: 0.04em;
}

/* ── Candor block ───────────────────────────────────────────── */
.qa-candor {
  display: flex; flex-direction: column; gap: 1px;
  background: var(--qa-line);
  border: 1px solid var(--qa-line);
  border-radius: 12px; overflow: hidden;
}
.qa-candor__row {
  display: grid; grid-template-columns: 1.4fr auto 1fr; gap: 32px;
  align-items: center; padding: 28px 32px;
  background: var(--qa-card);
  position: relative;
}
.qa-candor__row--us {
  background: var(--qa-bg-2);
}
.qa-candor__row--us::before {
  content: "";
  position: absolute; top: 0; bottom: 0; left: 0; width: 3px;
  background: var(--qa-grad-emerald);
}
.qa-candor__if {
  font-family: var(--qa-font); font-weight: 400; font-size: 22px;
  line-height: 1.3; color: var(--qa-fg); letter-spacing: -0.015em;
  text-wrap: balance;
}
.qa-candor__then {
  font-family: var(--qa-mono); font-size: 10px;
  color: var(--qa-fg-faint); letter-spacing: 0.16em;
}
.qa-candor__answer {
  font-family: var(--qa-serif); font-size: 28px;
  line-height: 1.2; letter-spacing: -0.01em; text-wrap: balance;
}
.qa-candor__answer--mauve { color: #c9b8ff; }
.qa-candor__answer--ice { color: #9bd1ff; }
.qa-candor__answer--us {
  color: var(--qa-emerald-2); font-style: italic;
}

/* ── Closing CTA ────────────────────────────────────────────── */
.qa-close {
  position: relative; padding: 140px 0 120px;
  background: var(--qa-bg); overflow: hidden;
}
.qa-close__wash {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(82, 130, 255, 0.32), transparent 60%),
    radial-gradient(ellipse at 75% 65%, rgba(45, 196, 145, 0.18), transparent 65%);
  filter: blur(10px); pointer-events: none;
}
.qa-close__divider {
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--qa-line-3), transparent);
}
.qa-close__inner {
  position: relative; text-align: center;
}
.qa-close__logo {
  display: flex; justify-content: center; margin-bottom: 36px;
}
.qa-close__logo > span { filter: drop-shadow(0 0 40px rgba(82, 130, 255, 0.5)); }
.qa-close__lede {
  font-family: var(--qa-font); font-size: 18px; line-height: 1.55;
  color: var(--qa-fg-dim); max-width: 660px; margin: 28px auto 0;
  text-wrap: pretty;
}
.qa-close__ctas {
  display: flex; gap: 14px; justify-content: center; margin-top: 44px; flex-wrap: wrap;
}
.qa-close__meta {
  margin-top: 48px;
  display: inline-flex; align-items: center; gap: 22px; flex-wrap: wrap;
  padding: 14px 22px; border-radius: 999px;
  border: 1px solid var(--qa-line-2);
  background: rgba(255, 255, 255, 0.02);
  justify-content: center;
}
.qa-close__meta-item {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--qa-font); font-size: 13px; color: var(--qa-fg);
}

/* ── Animations ─────────────────────────────────────────────── */
@keyframes qaDrift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 30px) scale(1.06); }
}
@keyframes qaDrift2 {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-30px, -20px) scale(1.05); }
}
@keyframes qaSeamFade {
  0%   { opacity: 0; transform: translateY(4px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .qa-display--xxl { font-size: 60px; }
  .qa-display--xl  { font-size: 52px; }
  .qa-display--lg  { font-size: 46px; }
  .qa-display--md  { font-size: 40px; }
  .qa-twocol { grid-template-columns: 1fr; gap: 24px; }
  .qa-honesty { grid-template-columns: 1fr; }
  .qa-diffs { grid-template-columns: 1fr; }
  .qa-usecases { grid-template-columns: 1fr; }
  .qa-features { grid-template-columns: repeat(2, 1fr); }
  .qa-tiers { grid-template-columns: 1fr; }
  .qa-jrow { grid-template-columns: 32px 130px 1fr; }
  .qa-jrow__chips {
    grid-column: 1 / -1; justify-content: flex-start;
  }
  .qa-candor__row { grid-template-columns: 1fr; gap: 12px; }
  .qa-code__body { grid-template-columns: 1fr; }
  .qa-code__notes { border-left: none; border-top: 1px solid var(--qa-line); }
  .qa-problem__inner { grid-template-columns: 1fr; gap: 18px; }
}
@media (max-width: 720px) {
  .qa-container { padding: 0 24px; }
  .qa-display--xxl { font-size: 44px; }
  .qa-display--xl  { font-size: 40px; }
  .qa-display--lg  { font-size: 36px; }
  .qa-display--md  { font-size: 32px; }
  .qa-section { padding: 80px 0; }
  .qa-features { grid-template-columns: 1fr; }
  .qa-quote { font-size: 26px; padding: 24px 28px; }
  .qa-problem__line { font-size: 22px; }
  .qa-honesty__col { padding: 24px 22px; }
  .qa-jrow { padding: 16px; }
}