/* ==========================================================================
   QUEM SOMOS NÓS — Subpágina institucional (tema claro)
   --------------------------------------------------------------------------
   Depende de styles.css (header e animações). Tudo escopado em .about-page
   e prefixado com .qsn- para não vazar para as outras páginas.
   Paleta alinhada às subpáginas existentes: branco, cinza e roxo da marca.
   ========================================================================== */

.about-page {
  --qsn-bg:        #FFFFFF;
  --qsn-ink:       #0B0B12;   /* títulos                    */
  --qsn-ink-2:     #55555F;   /* texto corrido              */
  --qsn-ink-3:     #8B8B98;   /* metadados / notas          */
  --qsn-line:      #E8E8EF;
  --qsn-purple:    #7913fc;
  --qsn-purple-ink:#5B0FC0;   /* roxo legível sobre branco  */
  --qsn-purple-bg: #FAF5FF;   /* fundo tênue dos cards      */

  --qsn-font: 'Plus Jakarta Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;

  background: var(--qsn-bg);
  color: var(--qsn-ink-2);
  font-family: var(--qsn-font);
}

.about-page ::selection {
  background: rgba(121, 19, 252, 0.16);
  color: var(--qsn-ink);
}

/* ==========================================================================
   Header — versão sólida para fundo branco
   ========================================================================== */
.header--about .nav-container,
.header--about.scrolled .nav-container {
  background: rgba(255, 255, 255, 0.78) !important;
  backdrop-filter: blur(18px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(18px) saturate(180%) !important;
  border: 1px solid rgba(11, 11, 18, 0.08) !important;
  box-shadow: 0 10px 30px rgba(11, 11, 18, 0.06),
              inset 0 1px 1px rgba(255, 255, 255, 0.9) !important;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.qsn-hero {
  max-width: 820px;
  margin: 0 auto;
  padding: 176px 32px 40px;
  text-align: center;
}

.qsn-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--qsn-purple-ink);
  margin-bottom: 18px;
}

.qsn-hero-title {
  font-size: clamp(2.1rem, 4.6vw, 3.3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--qsn-ink);
  margin-bottom: 22px;
}

.qsn-hero-title em {
  font-style: normal;
  color: var(--qsn-purple);
}

.qsn-hero-lead {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.65;
  max-width: 620px;
  margin: 0 auto;
  color: var(--qsn-ink-2);
}

/* ==========================================================================
   Corpo narrativo
   ========================================================================== */
.qsn-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 32px 80px;
}

.qsn-body-inner {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.qsn-paragraph {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--qsn-ink-2);
}

.qsn-paragraph strong {
  color: var(--qsn-ink);
  font-weight: 600;
}

/* ==========================================================================
   Diferenciais — 3 cards
   ========================================================================== */
.qsn-differentials {
  padding: 0 32px 96px;
}

.qsn-differentials-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.qsn-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.qsn-card {
  background: var(--qsn-purple-bg);
  border: 1px solid var(--qsn-line);
  border-radius: 20px;
  padding: 32px;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.qsn-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(11, 11, 18, 0.06);
  border-color: rgba(121, 19, 252, 0.18);
}

.qsn-card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--qsn-purple);
  color: #FFFFFF;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 22px;
}

.qsn-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--qsn-ink);
  margin-bottom: 12px;
}

.qsn-card-text {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--qsn-ink-2);
}

/* ==========================================================================
   Fechamento e CTA
   ========================================================================== */
.qsn-closing {
  padding: 0 32px 120px;
  text-align: center;
}

.qsn-closing-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 32px;
  border-top: 1px solid var(--qsn-line);
  border-bottom: 1px solid var(--qsn-line);
}

.qsn-closing-quote {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--qsn-ink);
  margin-bottom: 32px;
}

.qsn-closing-actions {
  display: flex;
  justify-content: center;
}

.qsn-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #FFFFFF;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 30px;
  border-radius: 100px;
  background: linear-gradient(135deg, #7913fc 0%, #bc5cf0 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.qsn-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(121, 19, 252, 0.25);
}

.qsn-btn svg {
  flex-shrink: 0;
}

/* ==========================================================================
   Responsivo
   ========================================================================== */
@media (max-width: 900px) {
  .qsn-cards {
    grid-template-columns: 1fr;
  }

  .qsn-card {
    padding: 28px;
  }
}

@media (max-width: 640px) {
  .qsn-hero {
    padding: 140px 24px 32px;
  }

  .qsn-body {
    padding: 32px 24px 64px;
  }

  .qsn-paragraph {
    font-size: 1rem;
    line-height: 1.75;
  }

  .qsn-differentials {
    padding: 0 24px 72px;
  }

  .qsn-closing {
    padding: 0 24px 88px;
  }

  .qsn-closing-inner {
    padding: 44px 24px;
  }
}