/* ─── About / Landing page (dark theme) ──────────────────── */

body.about-page {
  --about-bg: var(--pk-bg);
  --about-bg-elevated: var(--pk-bg-elevated);
  --about-bg-muted: var(--pk-bg-muted);
  --about-surface: var(--pk-surface);
  --about-surface-hover: var(--pk-surface-hover);
  --about-border: var(--pk-border);
  --about-border-strong: var(--pk-border-strong);
  --about-text: var(--pk-text);
  --about-text-secondary: var(--pk-text-secondary);
  --about-text-muted: var(--pk-text-muted);
  --about-accent: var(--pk-accent);
  --about-accent-hover: var(--pk-accent-hover);
  --about-accent-soft: var(--pk-accent-soft);
  --about-accent-glow: var(--pk-accent-glow);
  --about-success: var(--pk-success);

  margin: 0;
  min-height: 100vh;
  background: var(--about-bg);
  color: var(--about-text);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.about {
  overflow-x: clip;
}

/* Chrome overrides (landing only) */
body.about-page .site-footer {
  background: rgba(5, 7, 10, 0.92);
  border-top-color: var(--about-border);
  color: var(--about-text-muted);
  backdrop-filter: blur(12px);
}

body.about-page .site-footer a {
  color: var(--about-accent);
}

body.about-page .support-modal__dialog {
  background: #12161f;
  border: 1px solid var(--about-border-strong);
  color: var(--about-text);
}

body.about-page .support-modal__title {
  color: var(--about-text);
}

body.about-page .support-modal__text {
  color: var(--about-text-secondary);
}

/* Header */
.about-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: var(--pk-header-bg);
  border-bottom: 1px solid var(--about-border);
}

.about-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.about-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.about-logo__mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  font-weight: 800;
  font-size: 18px;
  color: #fff;
  background: var(--about-accent);
  box-shadow: 0 4px 18px var(--about-accent-glow);
}

.about-logo__text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.about-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.about-nav__link {
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--about-text-secondary);
  text-decoration: none;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.about-nav__link:hover {
  color: var(--about-text);
  background: rgba(255, 255, 255, 0.05);
}

.about-nav__cta {
  margin-left: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  border-radius: 10px;
  background: var(--about-accent);
  box-shadow: 0 2px 14px var(--about-accent-glow);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.about-nav__cta:hover {
  transform: translateY(-1px);
  background: var(--about-accent-hover);
  box-shadow: 0 6px 24px var(--about-accent-glow);
}

/* Hero */
.about-hero {
  position: relative;
  padding: 72px 20px 88px;
}

.about-hero__glow {
  position: absolute;
  inset: -10% -5% auto;
  height: 600px;
  background: var(--pk-glow);
  pointer-events: none;
}

.about-hero__inner {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.about-hero__preview-wrap {
  position: relative;
  max-width: 1080px;
  margin: 56px auto 0;
  padding: 0 20px;
  text-align: left;
}

.about-hero__preview-wrap .about-preview {
  border-color: var(--about-border-strong);
  background: var(--about-surface);
  backdrop-filter: blur(20px);
  box-shadow: var(--pk-shadow-panel);
}

body.about-page .about-preview__chrome {
  background: var(--pk-chrome);
  border-bottom-color: var(--about-border);
}

body.about-page .about-preview__url {
  color: var(--about-text-muted);
  background: rgba(0, 0, 0, 0.35);
  border-color: var(--about-border);
}

.about-hero__eyebrow {
  display: inline-block;
  margin: 0 0 20px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--about-text-secondary);
  background: var(--about-accent-soft);
  border: 1px solid rgba(88, 101, 242, 0.28);
  border-radius: 999px;
}

.about-hero__title {
  margin: 0 0 20px;
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--about-text);
}

.about-hero__title-accent {
  display: block;
  color: var(--about-accent);
}

.about-hero__lead {
  margin: 0 auto 28px;
  max-width: 620px;
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.65;
  color: var(--about-text-secondary);
}

.about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
}

.about-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 24px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  border-radius: 12px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s, color 0.2s;
}

.about-btn--primary {
  color: #fff;
  background: var(--about-accent);
  box-shadow: 0 4px 20px var(--about-accent-glow);
}

.about-btn--primary:hover {
  transform: translateY(-2px);
  background: var(--about-accent-hover);
  box-shadow: 0 8px 32px var(--about-accent-glow);
}

.about-btn--ghost {
  color: var(--about-text-secondary);
  background: transparent;
  border-color: transparent;
  padding-left: 12px;
  padding-right: 12px;
}

.about-btn--ghost::after {
  content: '→';
  margin-left: 6px;
  transition: transform 0.2s;
}

.about-btn--ghost:hover {
  color: var(--about-text);
  background: transparent;
}

.about-btn--ghost:hover::after {
  transform: translateX(3px);
}

.about-btn--outline {
  color: var(--about-text);
  background: transparent;
  border-color: var(--about-border-strong);
}

.about-btn--outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.22);
}

.about-btn--lg {
  padding: 15px 28px;
  font-size: 16px;
}

.about-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  max-width: 720px;
}

.about-stat {
  padding: 20px 16px;
  background: var(--about-surface);
  border: 1px solid var(--about-border);
  border-radius: 16px;
}

.about-stat__value {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.about-stat__label {
  font-size: 13px;
  line-height: 1.4;
  color: var(--about-text-muted);
}

/* Sections */
.about-section {
  padding: 80px 24px;
}

.about-section--muted {
  background: var(--about-bg-muted);
  border-top: 1px solid var(--about-border);
  border-bottom: 1px solid var(--about-border);
}

.about-section__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.about-section__head {
  max-width: 640px;
  margin-bottom: 48px;
}

.about-section__head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.about-section__eyebrow {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--about-accent);
}

.about-section__title {
  margin: 0 0 12px;
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--about-text);
}

.about-section__subtitle {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--about-text-secondary);
}

/* Bento grid */
.about-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.about-card {
  padding: 28px 24px;
  border-radius: 16px;
  border: 1px solid var(--about-border);
  background: var(--about-surface);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.about-card:hover {
  transform: translateY(-3px);
  border-color: var(--about-border-strong);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.about-card--violet { border-top: 3px solid #8b5cf6; }
.about-card--blue { border-top: 3px solid var(--about-accent); }
.about-card--cyan { border-top: 3px solid #22d3ee; }
.about-card--emerald { border-top: 3px solid var(--about-success); }
.about-card--amber { border-top: 3px solid #fbbf24; }
.about-card--rose { border-top: 3px solid #fb7185; }

.about-card__title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--about-text);
}

.about-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--about-text-secondary);
}

/* Audience */
.about-audience {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.about-audience__item {
  padding: 28px 24px;
  background: var(--about-surface);
  border-radius: 16px;
  border: 1px solid var(--about-border);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.about-audience__item:hover {
  transform: translateY(-3px);
  border-color: var(--about-border-strong);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.about-audience__item.about-card--violet { border-top: 3px solid #8b5cf6; }
.about-audience__item.about-card--blue { border-top: 3px solid var(--about-accent); }
.about-audience__item.about-card--cyan { border-top: 3px solid #22d3ee; }
.about-audience__item.about-card--emerald { border-top: 3px solid var(--about-success); }
.about-audience__item.about-card--amber { border-top: 3px solid #fbbf24; }
.about-audience__item.about-card--rose { border-top: 3px solid #fb7185; }

.about-audience__title {
  margin: 0 0 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--about-text);
}

.about-audience__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--about-text-secondary);
}

/* CTA */
.about-cta {
  padding: 80px 24px 100px;
}

.about-cta__inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 40px;
  text-align: center;
  border-radius: 24px;
  border: 1px solid rgba(88, 101, 242, 0.28);
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(88, 101, 242, 0.18), transparent 70%),
    var(--about-surface);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

.about-cta__title {
  margin: 0 0 14px;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--about-text);
}

.about-cta__text {
  margin: 0 0 28px;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--about-text-secondary);
}

.about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

/* Responsive */
@media (max-width: 960px) {
  .about-bento {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-audience {
    grid-template-columns: 1fr;
  }

  .about-carousel__nav {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-carousel__slide {
    grid-template-columns: 1fr;
  }

  .about-carousel__content {
    border-right: none;
    border-bottom: 1px solid var(--about-border);
    padding: 24px 20px;
  }

  .about-carousel__preview {
    padding: 16px;
  }
}

@media (max-width: 640px) {
  .about-nav__link:not(.about-nav__cta) {
    display: none;
  }

  .about-hero {
    padding: 40px 16px 56px;
  }

  .about-hero__stats {
    grid-template-columns: 1fr;
  }

  .about-bento {
    grid-template-columns: 1fr;
  }

  .about-carousel__nav {
    display: flex;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .about-carousel__nav::-webkit-scrollbar {
    display: none;
  }

  .about-carousel__tab {
    flex: 0 0 auto;
    min-width: 140px;
  }

  .about-carousel__title {
    margin-bottom: 16px;
  }

  .about-section {
    padding: 56px 16px;
  }

  .about-cta {
    padding: 56px 16px 80px;
  }

  .about-cta__inner {
    padding: 32px 24px;
  }

  .about-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .about-btn {
    width: 100%;
  }
}

/* ─── Admin panel mockups (screenshot-style, light interior) ─ */
.about-preview {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--about-border);
  background: #fff;
}

.about-preview__chrome {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  background: linear-gradient(180deg, #f1f5f9, #e8edf4);
  border-bottom: 1px solid #dde4ee;
}

.about-preview__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.about-preview__dot--red { background: #ff5f57; }
.about-preview__dot--yellow { background: #febc2e; }
.about-preview__dot--green { background: #28c840; }

.about-preview__url {
  margin-left: 8px;
  padding: 4px 12px;
  font-size: 11px;
  color: #64748b;
  background: #fff;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
}

.about-mock {
  font-size: 12px;
  line-height: 1.45;
  color: #0f172a;
}

.about-mock__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 16px;
  background: linear-gradient(120deg, #eef2ff 0%, #f8fafc 38%, #fff 62%, #f0f9ff 100%);
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(90deg, #6366f1, #3b82f6, #06b6d4 70%, #8b5cf6) 1;
}

.about-mock__header-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.about-mock__burger {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid #c7d2fe;
  background: linear-gradient(145deg, #fff, #eef2ff);
  flex-shrink: 0;
}

.about-mock__title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.about-mock__subtitle {
  font-size: 11px;
  color: #64748b;
  margin-top: 1px;
}

.about-mock__chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.about-mock__chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 10px;
  color: #475569;
  border: 1px solid #e2e8f0;
  background: #fff;
  white-space: nowrap;
}

.about-mock__chip b {
  font-size: 13px;
  color: #0f172a;
}

.about-mock__chip--total { border-color: #bfdbfe; background: #eff6ff; }
.about-mock__chip--day { border-color: #bbf7d0; background: #f0fdf4; }
.about-mock__chip--queue { border-color: #fde68a; background: #fffbeb; }

.about-mock__body {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 12px;
  padding: 12px;
  background: #f8fafc;
  min-height: 280px;
}

.about-mock__leads {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  min-width: 0;
}

.about-mock__leads--solo {
  margin: 12px;
}

.about-mock__leads-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e2e8f0;
}

.about-mock__leads-head h3,
.about-mock__panel-head h4 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.about-mock__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  padding: 1px 6px;
  border-radius: 999px;
  background: #f1f5f9;
  color: #94a3b8;
  font-size: 10px;
  font-weight: 700;
}

.about-mock__toggles {
  display: flex;
  gap: 6px;
}

.about-mock__toggle {
  padding: 5px 8px;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 600;
  color: #64748b;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}

.about-mock__toggle--on {
  color: #1d4ed8;
  background: #eff6ff;
  border-color: #bfdbfe;
}

.about-mock__tabs {
  display: flex;
  gap: 4px;
  padding: 3px;
  margin-bottom: 10px;
  background: #f1f5f9;
  border-radius: 8px;
}

.about-mock__tab {
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  color: #64748b;
}

.about-mock__tab--active {
  background: #fff;
  color: #0f172a;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

.about-mock__tab em {
  font-style: normal;
  margin-left: 4px;
  padding: 0 4px;
  border-radius: 4px;
  background: #e2e8f0;
  font-size: 9px;
}

.about-mock__tab--active em {
  background: #dbeafe;
  color: #2563eb;
}

.about-mock__card {
  padding: 12px;
  margin-bottom: 8px;
  background: #f8fafc;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
}

.about-mock__card--dim {
  opacity: 0.72;
}

.about-mock__card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 6px;
}

.about-mock__group {
  font-weight: 600;
  font-size: 12px;
  color: #3b82f6;
}

.about-mock__meta {
  font-size: 10px;
  color: #94a3b8;
  margin-top: 2px;
}

.about-mock__meta span {
  padding: 1px 5px;
  background: #f1f5f9;
  border-radius: 3px;
}

.about-mock__author {
  margin: 0 0 6px;
  font-size: 11px;
  color: #64748b;
}

.about-mock__text {
  margin: 0 0 8px;
  font-size: 11px;
  line-height: 1.55;
  color: #334155;
}

.about-mock__actions {
  display: flex;
  gap: 6px;
}

.about-mock__btn {
  padding: 5px 10px;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 600;
  border: 1px solid #e2e8f0;
  background: #fff;
  color: #475569;
}

.about-mock__btn--primary {
  background: #3b82f6;
  border-color: #3b82f6;
  color: #fff;
}

.about-mock__btn--small {
  padding: 4px 8px;
  font-size: 10px;
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #2563eb;
}

.about-mock__pill {
  flex-shrink: 0;
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.about-mock__pill--pending { background: #fef3c7; color: #b45309; }
.about-mock__pill--auto { background: #f1f5f9; color: #64748b; }
.about-mock__pill--sent { background: #d1fae5; color: #047857; }
.about-mock__pill--ok { background: #d1fae5; color: #047857; margin-left: auto; }

.about-mock__sidebar {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.about-mock__panel {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 10px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.about-mock__panel--wide {
  margin: 12px;
}

.about-mock__panel--prompt {
  background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
}

.about-mock__panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.about-mock__icon-btn {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: var(--about-accent);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
}

.about-mock__link {
  font-size: 10px;
  font-weight: 600;
  color: #3b82f6;
}

.about-mock__group-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 4px;
  border-radius: 8px;
}

.about-mock__group-row--dim {
  opacity: 0.65;
}

.about-mock__avatar {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.about-mock__avatar--violet { background: linear-gradient(135deg, #8b5cf6, #6366f1); }
.about-mock__avatar--blue { background: linear-gradient(135deg, #3b82f6, #06b6d4); }
.about-mock__avatar--cyan { background: linear-gradient(135deg, #06b6d4, #10b981); }
.about-mock__avatar--emerald { background: linear-gradient(135deg, #10b981, #059669); }
.about-mock__avatar--amber { background: linear-gradient(135deg, #f59e0b, #ea580c); }

.about-mock__group-name {
  font-size: 11px;
  font-weight: 600;
  color: #0f172a;
}

.about-mock__group-sub {
  font-size: 9px;
  color: #94a3b8;
}

.about-mock__prompt {
  margin: 0;
  padding: 8px;
  font-size: 10px;
  line-height: 1.6;
  color: #475569;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
}

.about-mock__sort {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}

.about-mock__sort-btn {
  padding: 4px 8px;
  font-size: 10px;
  font-weight: 600;
  color: #64748b;
  border-radius: 6px;
  background: #f1f5f9;
}

.about-mock__sort-btn--active {
  background: #eff6ff;
  color: #2563eb;
}

.about-mock__group-list .about-mock__group-row {
  border-bottom: 1px solid #f1f5f9;
}

.about-mock__prompt-stats {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  font-size: 10px;
  color: #64748b;
}

.about-mock__prompt-stats b {
  color: #0f172a;
}

/* ─── Steps carousel ─────────────────────────────────────── */
.about-carousel {
  max-width: 1080px;
  margin: 0 auto;
}

.about-carousel__nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 24px;
}

.about-carousel__tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid var(--about-border);
  border-radius: 12px;
  background: var(--about-surface);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  color: inherit;
}

.about-carousel__tab:hover {
  border-color: rgba(88, 101, 242, 0.35);
  background: var(--about-surface-hover);
}

.about-carousel__tab--active {
  border-color: rgba(88, 101, 242, 0.5);
  background: rgba(88, 101, 242, 0.1);
  box-shadow: 0 4px 20px rgba(88, 101, 242, 0.15);
}

.about-carousel__tab-num {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--about-accent);
}

.about-carousel__tab-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--about-text);
  line-height: 1.3;
}

.about-carousel__viewport {
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid var(--about-border);
  background: var(--about-surface);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

.about-carousel__track {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.about-carousel__track--instant {
  transition: none;
}

.about-carousel__slide {
  flex: 0 0 100%;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 0;
  min-width: 0;
}

.about-carousel__content {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--about-border);
  background: rgba(10, 14, 22, 0.5);
}

.about-carousel__eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--about-accent);
}

.about-carousel__title {
  margin: 0 0 24px;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--about-text);
}

.about-carousel__blocks {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.about-carousel__block {
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--about-border);
}

.about-carousel__block--do {
  background: rgba(15, 20, 32, 0.6);
  border-left: 3px solid var(--about-accent);
}

.about-carousel__block--get {
  background: rgba(74, 222, 128, 0.06);
  border-color: rgba(74, 222, 128, 0.2);
  border-left: 3px solid var(--about-success);
}

.about-carousel__block-label {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--about-text-secondary);
}

.about-carousel__block--get .about-carousel__block-label {
  color: var(--about-success);
}

.about-carousel__block-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--about-text);
}

.about-carousel__preview {
  padding: 20px;
  background: rgba(5, 7, 10, 0.55);
  display: flex;
  align-items: center;
  min-width: 0;
}

.about-carousel__preview .about-preview {
  width: 100%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.about-carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

.about-carousel__arrow {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--about-border);
  border-radius: 12px;
  background: var(--about-surface);
  color: var(--about-text);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, opacity 0.2s;
}

.about-carousel__arrow:hover:not(:disabled) {
  border-color: rgba(88, 101, 242, 0.45);
  background: rgba(88, 101, 242, 0.12);
  color: var(--about-accent);
}

.about-carousel__arrow:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.about-carousel__dots {
  display: flex;
  gap: 8px;
}

.about-carousel__dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: width 0.25s, background 0.25s;
}

.about-carousel__dot--active {
  width: 28px;
  background: var(--about-accent);
}

.about-carousel__hint {
  margin: 12px 0 0;
  text-align: center;
  font-size: 13px;
  color: var(--about-text-muted);
}

.about-carousel__hint-sep {
  margin: 0 6px;
}

@media (max-width: 960px) {
  .about-mock__body {
    grid-template-columns: 1fr;
  }

  .about-mock__sidebar {
    display: none;
  }
}

@media (max-width: 640px) {
  .about-hero__preview-wrap {
    margin-top: 0;
  }

  .about-mock__chips {
    display: none;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .about-card:hover,
  .about-audience__item:hover,
  .about-btn:hover,
  .about-nav__cta:hover {
    transform: none;
  }

  .about-carousel__track {
    transition: none;
  }
}