/* ════════════════════════════════════════════════════════════════════
   styles.css — V3 styles for vizitki-constructor / technorazum.ru
   ────────────────────────────────────────────────────────────────────
   Соответствует DESIGN_V3.md. Палитра и motion-токены — из V2
   (см. inline <style> в index.html строки 63-163). Этот файл —
   ТОЛЬКО V3-расширения: manifesto, lineup, magic-menu, footer.
   ────────────────────────────────────────────────────────────────────
   Импекабл-инварианты:
   - 0 purple (#7C3AED и оттенки)
   - 0 glassmorphism / gradient-mesh
   - 0 emoji-кнопок
   - a11y: focus-visible, reduced-motion, контрасты ≥4.5:1
   - magic невидима: AI / ML / нейросеть — не используются в копи
   ════════════════════════════════════════════════════════════════════ */

/* ═══ 1. MANIFESTO STRIP (hero, под trust-line) ═══════════════════ */

.manifesto-strip {
  margin: 1.75rem auto 0;
  max-width: 38rem;
  padding: 0 1rem 0 1.25rem;
  border-left: 2px solid var(--amber-500);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  text-align: left;
}
.manifesto-marker {
  color: var(--amber-500);
  font-weight: 600;
  font-size: 1.125rem;
  line-height: 1.4;
  flex-shrink: 0;
}
.manifesto-text {
  font-family: "Fraunces", Georgia, serif;
  font-style: italic;
  font-weight: 400;
  font-size: 0.9375rem;            /* 15px mobile */
  line-height: 1.5;
  color: rgba(250, 250, 247, 0.88); /* bone-50 с opacity */
  margin: 0;
}
@media (min-width: 768px) {
  .manifesto-text { font-size: 1.0625rem; }  /* 17px desktop */
}

/* ═══ 2. MAGIC MENU (замена бургера на desktop) ═══════════════════ */

.magic-menu-btn {
  display: none;                   /* hidden md:inline-flex — в HTML */
  position: relative;
  gap: 0.375rem;
  font: 500 0.8125rem/1 "Inter", sans-serif;
  letter-spacing: 0.01em;
  min-height: 44px;
  min-width: 44px;
  border-radius: 8px;
  transition: color 200ms var(--ease-out-quart), background 200ms;
}
.magic-menu-btn:hover { background: var(--bone-100); }
.magic-menu-btn:focus-visible {
  outline: 2px solid var(--amber-600);
  outline-offset: 2px;
}
.magic-menu-btn[aria-expanded="true"] {
  color: var(--amber-600);
  background: var(--bone-100);
}
.magic-menu-btn[aria-expanded="true"] .magic-icon-closed { display: none; }
.magic-menu-btn[aria-expanded="true"] .magic-icon-open { display: block; }
.magic-menu-label {
  font-size: 0.8125rem;
  text-transform: lowercase;
  letter-spacing: 0.02em;
}
@media (max-width: 767px) {
  /* На мобильных — оставляем обычный бургер (id="mobileMenuBtn"). */
  .magic-menu-btn { display: none !important; }
}

.magic-menu {
  position: absolute;
  top: 64px;
  right: 0;
  min-width: 280px;
  max-width: 90vw;
  background: var(--bone-50);
  border: 1px solid var(--bone-200);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(26, 26, 31, 0.12), 0 0 0 1px rgba(26, 26, 31, 0.04);
  padding: 0.5rem;
  z-index: 60;
  /* magicReveal (400ms total) — см. ниже */
  animation: magicReveal 400ms var(--ease-out-expo) both;
  transform-origin: top right;
}
.magic-menu-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}
.magic-menu-item {
  margin: 0;
  opacity: 0;
  transform: translateX(-12px);
  animation: magicItemReveal 280ms var(--ease-out-expo) both;
}
.magic-menu-item:nth-child(1) { animation-delay: 80ms; }
.magic-menu-item:nth-child(2) { animation-delay: 140ms; }
.magic-menu-item:nth-child(3) { animation-delay: 200ms; }
.magic-menu-item:nth-child(4) { animation-delay: 260ms; }
.magic-menu-item a {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 0.875rem;
  font: 500 0.9375rem/1.4 "Inter", sans-serif;
  color: var(--ink-900);
  text-decoration: none;
  border-radius: 8px;
  transition: background 150ms var(--ease-out-quart), color 150ms;
  min-height: 44px;
}
.magic-menu-item a:hover {
  background: var(--bone-100);
  color: var(--amber-600);
}
.magic-menu-item a:focus-visible {
  outline: 2px solid var(--amber-600);
  outline-offset: -2px;
  background: var(--bone-100);
}
.magic-rune {
  display: inline-block;
  width: 1.25rem;
  text-align: center;
  color: var(--amber-600);
  font-size: 0.875rem;
  font-weight: 400;
  font-family: "JetBrains Mono", monospace;
  flex-shrink: 0;
}
.magic-menu-item--featured a {
  background: linear-gradient(0deg, var(--bone-100) 0%, transparent 100%);
  border-left: 2px solid var(--amber-600);
  padding-left: calc(0.875rem - 2px);
}
.magic-menu-item--featured a:hover {
  background: linear-gradient(0deg, var(--amber-50) 0%, var(--bone-100) 100%);
}

@keyframes magicReveal {
  from { opacity: 0; transform: scale(0.96) translateY(-4px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes magicItemReveal {
  from { opacity: 0; transform: translateX(-12px); }
  to   { opacity: 1; transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  .magic-menu { animation: none; }
  .magic-menu-item { animation: none; opacity: 1; transform: none; }
}

/* ═══ 3. TECHNORAZUM LINEUP (timeline 5 продуктов) ═════════════════ */

.technorazum-lineup {
  background: linear-gradient(180deg, var(--bone-50) 0%, var(--bone-100) 100%);
  position: relative;
  overflow: hidden;
}
/* Тонкая "магическая нить" через всю секцию (decorative) */
.technorazum-lineup::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, transparent 0%, rgba(194, 65, 12, 0.04) 30%, rgba(194, 65, 12, 0.04) 70%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}
.technorazum-lineup > div { position: relative; z-index: 1; }

.lineup-header {
  text-align: center;
  margin-bottom: 3rem;
}
.lineup-eyebrow {
  display: inline-block;
  color: var(--amber-600);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font: 600 0.75rem/1 "JetBrains Mono", monospace;
  margin-bottom: 0.75rem;
}
.lineup-h2 {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  font-size: 2.5rem;               /* 40px mobile */
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin: 0 0 1rem;
}
@media (min-width: 768px) {
  .lineup-h2 { font-size: 3rem; }  /* 48px desktop */
}
.lineup-sub {
  font-size: 1.0625rem;            /* 17px */
  line-height: 1.55;
  color: var(--ink-500);
  max-width: 36rem;
  margin: 0 auto;
}
.lineup-sub-strong {
  color: var(--ink-900);
  font-weight: 500;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9375rem;
  padding: 0.125rem 0.375rem;
  background: var(--amber-50);
  border-radius: 4px;
}

.lineup-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lineup-step {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.25rem 1.25rem 1.25rem 1.5rem;
  border-radius: 12px;
  background: transparent;
  border: 1px solid transparent;
  border-left: 3px solid transparent;
  transition: background 250ms var(--ease-out-quart),
              border-color 250ms var(--ease-out-quart),
              transform 250ms var(--ease-out-quart);
  /* lineupStepReveal — IntersectionObserver в technorazum-v3.js */
  opacity: 0;
  transform: translateY(16px);
}
.lineup-step.lineup-step--visible {
  animation: lineupStepReveal 350ms var(--ease-out-quart) both;
}
.lineup-step:nth-child(1).lineup-step--visible { animation-delay: 0ms; }
.lineup-step:nth-child(2).lineup-step--visible { animation-delay: 100ms; }
.lineup-step:nth-child(3).lineup-step--visible { animation-delay: 200ms; }
.lineup-step:nth-child(4).lineup-step--visible { animation-delay: 300ms; }
.lineup-step:nth-child(5).lineup-step--visible { animation-delay: 400ms; }

.lineup-step:hover {
  background: var(--bone-50);
  border-color: var(--bone-200);
  border-left-color: var(--amber-500);
  transform: translateY(-2px);
}

.lineup-step--current {
  background: var(--bone-50);
  border-color: var(--bone-200);
  border-left: 3px solid var(--amber-600);
}
.lineup-step--current::after {
  content: "вы здесь";
  position: absolute;
  top: 0.875rem;
  right: 1rem;
  font: 500 0.6875rem/1 "JetBrains Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--amber-600);
  background: var(--amber-50);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
}

.lineup-num {
  flex-shrink: 0;
  font-family: "JetBrains Mono", monospace;
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  color: var(--amber-600);
  padding-top: 0.25rem;
  min-width: 3.5rem;
  font-variant-numeric: tabular-nums;
}
.lineup-num-sep {
  color: var(--ink-300);
  margin: 0 0.125rem;
}

.lineup-body {
  flex: 1;
  min-width: 0;
}
.lineup-name {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  font-size: 1.375rem;             /* 22px mobile */
  line-height: 1.2;
  color: var(--ink-900);
  margin: 0 0 0.25rem;
  letter-spacing: -0.01em;
}
@media (min-width: 768px) {
  .lineup-name { font-size: 1.625rem; }  /* 26px desktop */
}
.lineup-tag {
  font-size: 0.9375rem;            /* 15px */
  line-height: 1.5;
  color: var(--ink-500);
  margin: 0 0 0.5rem;
}
.lineup-status {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;              /* 12px */
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-300);
  margin: 0;
}
.lineup-status--live { color: var(--success-500); }
.lineup-status--dream { color: var(--amber-600); }

.lineup-footnote {
  margin: 2.5rem auto 0;
  text-align: center;
  font-size: 0.875rem;
  color: var(--ink-500);
  max-width: 32rem;
  font-style: italic;
}
.lineup-footnote-label {
  color: var(--ink-900);
  font-weight: 500;
  font-style: normal;
}

@keyframes lineupStepReveal {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .lineup-step,
  .lineup-step.lineup-step--visible {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ═══ 4. FOOTER V3 (лого "Техноразум" + lineup 5 ссылок) ═════════ */

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  text-decoration: none;
  color: inherit;
  margin-bottom: 0.25rem;
}
.footer-brand:hover { color: var(--amber-500); }
.footer-brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}
.footer-brand-name {
  font: 600 1.125rem/1.2 "Inter", sans-serif;
  color: var(--bone-50);
}
.footer-brand-tag {
  font: 400 0.75rem/1.3 "Inter", sans-serif;
  color: var(--ink-300);
  letter-spacing: 0.01em;
}

.footer-col-title {
  font: 600 0.9375rem/1.2 "Inter", sans-serif;
  color: var(--bone-50);
  margin: 0 0 0.75rem;
}

.footer-lineup-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.875rem;
}
.footer-lineup-item a {
  flex: 1;
  min-width: 0;
}
.footer-lineup-dot {
  color: var(--success-500);
  font-size: 0.75rem;
  flex-shrink: 0;
}
.footer-lineup-dot--muted { color: var(--ink-300); }
.footer-lineup-item--current a { color: var(--bone-50); font-weight: 500; }

/* ═══ 5. Mobile menu — добавлен пункт "Линейка" в HTML ════════════ */
/* (стилизуется через существующие правила .md\:hidden + .block)  */

/* ═══ 6. Viewport / a11y micro-fix ════════════════════════════════ */

/* Skip-link: keep on top */
a.sr-only:focus { z-index: 100; }

/* Контраст trust-line: 0.6 opacity bone-100 на ink-900 = 5.8:1 ✅ */
.hero-enter-d3 { color: rgba(250, 250, 247, 0.6); }

/* Магическое меню: фокус-кольцо невидимо, но есть */
.magic-menu-btn[aria-expanded="true"] {
  box-shadow: 0 0 0 2px var(--amber-600);
}
/* ════════════════════════════════════════════════════════════════════
   styles.css — V4 additions for vizitki-constructor / technorazum.ru
   ────────────────────────────────────────────────────────────────────
   V4 Impeccable audit (vs V3):
   - adapt: lineup-showcase has mobile 1-col → desktop grid (2-3 cols)
   - critique: industry-5 timeline = human-outcome centered
   - animate: V3 5 motion tokens → V4 still 5 (no new tokens added —
     reusing existing ease-out-expo for FAQ details transition)
   - No new colors (warm-ink / bone / amber preserved)
   - No #7C3AED, no glassmorphism, no purple
   ════════════════════════════════════════════════════════════════════ */

/* ═══ 1. INDUSTRY 5.0 TIMELINE (V4: human-outcome centered) ════════ */

.industry-5-section {
  background: linear-gradient(180deg, var(--bone-50) 0%, var(--bone-100) 100%);
  position: relative;
  overflow: hidden;
}
.industry-5-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 600px 240px at 50% 0%, rgba(194,65,12,0.04), transparent 60%);
  pointer-events: none;
}

.industry-5-header { text-align: center; margin-bottom: 3rem; position: relative; z-index: 1; }
.industry-5-eyebrow {
  color: var(--amber-600);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 0.75rem;
  font-family: "JetBrains Mono", monospace;
}
.industry-5-h2 {
  font-family: "Fraunces", Georgia, serif;
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--ink-900);
  margin: 0 0 0.75rem 0;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.industry-5-sub {
  color: var(--ink-500);
  font-size: 1.0625rem;
  max-width: 32rem;
  margin: 0 auto;
  line-height: 1.6;
}

.industry-5-timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  z-index: 1;
}
.industry-5-step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--bone-200);
  position: relative;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 400ms var(--ease-out-quart), transform 400ms var(--ease-out-quart);
}
.industry-5-step:last-child { border-bottom: 1px solid var(--bone-200); }
.industry-5-step--visible { opacity: 1; transform: translateY(0); }
.industry-5-step--live { background: linear-gradient(90deg, rgba(194,65,12,0.04), transparent 80%); }

.industry-5-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--amber-600);
  padding-top: 0.25rem;
  letter-spacing: 0.02em;
}

.industry-5-body { min-width: 0; }
.industry-5-product {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink-900);
  margin: 0 0 0.25rem 0;
  letter-spacing: -0.01em;
}
.industry-5-tagline {
  font-size: 1rem;
  color: var(--ink-700);
  margin: 0 0 1rem 0;
  line-height: 1.4;
}
.industry-5-outcome {
  background: var(--bone-50);
  border-left: 2px solid var(--amber-500);
  padding: 0.75rem 0 0.75rem 1rem;
  margin-bottom: 0.75rem;
  border-radius: 0 6px 6px 0;
}
.industry-5-outcome-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.6875rem;
  color: var(--amber-600);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.industry-5-outcome-text {
  margin: 0.25rem 0 0 0;
  font-size: 0.9375rem;
  color: var(--ink-700);
  line-height: 1.55;
  font-style: italic;
  font-family: "Fraunces", Georgia, serif;
}
.industry-5-status {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  margin: 0;
  color: var(--ink-500);
  letter-spacing: 0.02em;
}
.industry-5-status--live { color: var(--success-500); }
.industry-5-status--dream { color: var(--amber-600); }

.industry-5-footnote {
  margin-top: 2.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--ink-900);
  color: var(--bone-50);
  border-radius: 12px;
  font-size: 0.9375rem;
  line-height: 1.6;
  text-align: center;
}
.industry-5-footnote-mark { color: var(--amber-500); }

/* ═══ 2. LINEUP SHOWCASE (V4: 5 cards с деталями) ═════════════════ */

.lineup-showcase-section { background: var(--bone-50); }
.lineup-showcase-header { text-align: center; margin-bottom: 3rem; }
.lineup-showcase-eyebrow {
  color: var(--ink-500);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 0.5rem 0;
}
.lineup-showcase-h2 {
  font-family: "Fraunces", Georgia, serif;
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--ink-900);
  margin: 0;
  letter-spacing: -0.01em;
}
.lineup-showcase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .lineup-showcase-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .lineup-showcase-grid { grid-template-columns: repeat(3, 1fr); }
  .lineup-showcase-card:first-child { grid-column: span 1; }
}
@media (min-width: 1280px) {
  .lineup-showcase-grid { grid-template-columns: repeat(3, 1fr); }
}

.lineup-showcase-card {
  background: white;
  border: 1.5px solid var(--bone-200);
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: border-color 200ms var(--ease-out-quart), transform 200ms var(--ease-out-quart), box-shadow 200ms var(--ease-out-quart);
  position: relative;
  overflow: hidden;
}
.lineup-showcase-card:hover, .lineup-showcase-card:focus-within {
  border-color: var(--ink-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-3);
  outline: none;
}
.lineup-showcase-card--live {
  border-color: var(--ink-900);
  background: linear-gradient(180deg, var(--bone-50), white);
}
.lineup-showcase-card--live::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber-600), var(--amber-500));
}
.lineup-showcase-card--dream { opacity: 0.85; }

.lineup-showcase-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.lineup-showcase-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--ink-500);
  font-weight: 500;
}
.lineup-showcase-badge {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-500);
  padding: 0.25rem 0.5rem;
  background: var(--bone-100);
  border-radius: 4px;
}
.lineup-showcase-badge--live { background: var(--amber-50); color: var(--amber-700); }
.lineup-showcase-badge--dream { background: var(--bone-100); color: var(--amber-600); }

.lineup-showcase-name {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--ink-900);
  margin: 0 0 0.25rem 0;
  letter-spacing: -0.01em;
}
.lineup-showcase-tag {
  font-size: 0.9375rem;
  color: var(--ink-500);
  margin: 0 0 1rem 0;
  line-height: 1.4;
}
.lineup-showcase-features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem 0;
  flex-grow: 1;
}
.lineup-showcase-features li {
  font-size: 0.875rem;
  color: var(--ink-700);
  padding: 0.4rem 0 0.4rem 1.25rem;
  border-bottom: 1px solid var(--bone-100);
  position: relative;
  line-height: 1.4;
}
.lineup-showcase-features li:last-child { border-bottom: 0; }
.lineup-showcase-features li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--amber-600);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
}
.lineup-showcase-cta { margin-top: auto; }
.lineup-showcase-cta .btn-primary, .lineup-showcase-cta .btn-secondary { width: 100%; }
.lineup-showcase-cta-text {
  font-size: 0.8125rem;
  color: var(--ink-500);
  font-style: italic;
  font-family: "Fraunces", Georgia, serif;
}

/* ═══ 3. FAQ ═════════════════════════════════════════════════════ */

.faq-section { background: white; }
.faq-header { text-align: center; margin-bottom: 2.5rem; }
.faq-eyebrow {
  color: var(--amber-600);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 0.5rem 0;
}
.faq-h2 {
  font-family: "Fraunces", Georgia, serif;
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--ink-900);
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.01em;
}
.faq-sub {
  color: var(--ink-500);
  font-size: 0.9375rem;
  margin: 0 auto;
  max-width: 32rem;
}
.faq-sub-link { color: var(--amber-600); }

.faq-list { display: flex; flex-direction: column; gap: 0.5rem; }
.faq-item {
  background: var(--bone-50);
  border: 1.5px solid var(--bone-200);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 200ms var(--ease-out-quart);
}
.faq-item[open] { border-color: var(--ink-700); }
.faq-item:hover { border-color: var(--ink-300); }

.faq-question {
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-weight: 500;
  color: var(--ink-900);
  font-size: 1rem;
  user-select: none;
  transition: background 200ms;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question:hover { background: var(--bone-100); }
.faq-q-text { flex: 1; }
.faq-q-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform 250ms var(--ease-out-quart);
}
.faq-q-icon::before, .faq-q-icon::after {
  content: "";
  position: absolute;
  background: var(--ink-700);
  border-radius: 1px;
}
.faq-q-icon::before {
  top: 9px; left: 0; right: 0; height: 2px;
}
.faq-q-icon::after {
  left: 9px; top: 0; bottom: 0; width: 2px;
  transition: transform 250ms var(--ease-out-quart);
}
.faq-item[open] .faq-q-icon::after { transform: scaleY(0); }

.faq-answer {
  padding: 0 1.25rem 1.25rem 1.25rem;
  color: var(--ink-700);
  font-size: 0.9375rem;
  line-height: 1.6;
  border-top: 1px solid var(--bone-200);
  margin-top: -1px;
  padding-top: 1rem;
}
.faq-answer p, .faq-answer ul, .faq-answer ol { margin-bottom: 0.75rem; }
.faq-answer ul, .faq-answer ol { padding-left: 1.5rem; }
.faq-answer li { margin-bottom: 0.4rem; }
.faq-answer a { color: var(--amber-600); text-decoration: underline; text-underline-offset: 2px; }
.faq-answer a:hover { color: var(--amber-500); }
.faq-answer strong { color: var(--ink-900); }

/* ═══ 4. TRUST COMPLIANCE STRIP ══════════════════════════════════ */

.trust-compliance-section {
  background: var(--ink-900);
  color: var(--bone-50);
}
.trust-compliance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  text-align: center;
}
@media (min-width: 768px) {
  .trust-compliance-grid { grid-template-columns: repeat(4, 1fr); }
}
.trust-compliance-item { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
.trust-compliance-badge {
  display: inline-block;
  background: var(--amber-600);
  color: var(--bone-50);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.375rem 0.75rem;
  border-radius: 4px;
  text-transform: uppercase;
}
.trust-compliance-text {
  font-size: 0.8125rem;
  color: var(--bone-100);
  opacity: 0.85;
  margin: 0;
  line-height: 1.3;
  max-width: 14rem;
}

/* ═══ 5. MOBILE TWEAKS for V4 sections ═══════════════════════════ */

@media (max-width: 640px) {
  .industry-5-h2 { font-size: 1.875rem; }
  .industry-5-step { grid-template-columns: 48px 1fr; gap: 1rem; padding: 1.25rem 0; }
  .industry-5-product { font-size: 1.25rem; }
  .lineup-showcase-h2 { font-size: 1.75rem; }
  .faq-h2 { font-size: 1.75rem; }
  .faq-question { font-size: 0.9375rem; padding: 0.875rem 1rem; }
  .faq-answer { padding: 0 1rem 1rem 1rem; }
  .trust-compliance-grid { gap: 1rem; }
  .trust-compliance-text { font-size: 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  .industry-5-step { opacity: 1; transform: none; }
  .faq-q-icon { transition: none; }
  .faq-q-icon::after { transition: none; }
  .lineup-showcase-card { transition: none; }
}
/* End V4 additions */