/* ============================================================
   ChatScan — About Page Styles
   ============================================================ */

/* ===== Hero ===== */
.about-hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
}

.about-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 0%, var(--color-primary-subtle) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(14, 165, 233, 0.06) 0%, transparent 40%);
}

.about-hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.about-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 24px;
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 32px;
}

.about-hero-title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.about-highlight {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.about-hero-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 650px;
  margin: 0 auto 40px;
}

.about-hero-subtitle strong {
  color: var(--color-primary);
}

/* Meta bar (CNPJ, founding, type) */
.about-hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.about-meta-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.about-meta-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

.about-meta-value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.about-meta-divider {
  width: 1px;
  height: 36px;
  background: var(--border-color);
}

/* ===== Sections ===== */
.about-section {
  padding: 80px 0;
}

.about-section-dark {
  background: var(--bg-secondary);
}

.about-section-header {
  text-align: center;
  margin-bottom: 48px;
}

.about-section-header h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.about-section-header p {
  font-size: var(--text-base);
  color: var(--text-secondary);
}

/* ===== Cards Grid (Mission & Product) ===== */
.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.about-card {
  padding: 36px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.about-section-dark .about-card {
  background: var(--bg-tertiary);
}

.about-card:hover {
  border-color: rgba(0, 212, 170, 0.25);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 0 0 20px rgba(0, 212, 170, 0.05);
  transform: translateY(-2px);
}

.about-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.15);
  color: var(--color-primary);
  margin-bottom: 20px;
}

.about-card h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.about-card p {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.7;
}

.about-card p strong {
  color: var(--color-primary);
}

/* ===== Features Grid ===== */
.about-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-feature {
  padding: 28px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.about-feature:hover {
  border-color: rgba(0, 212, 170, 0.2);
  transform: translateY(-2px);
}

.about-feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0, 212, 170, 0.08);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.about-feature h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.about-feature p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Technology Grid ===== */
.about-tech-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.about-tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  text-align: center;
}

.about-tech-item:hover {
  border-color: rgba(0, 212, 170, 0.2);
  background: var(--bg-tertiary);
  transform: translateY(-2px);
}

.about-tech-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0, 212, 170, 0.06);
  color: var(--color-primary);
}

.about-tech-emoji {
  font-size: 28px;
}

.about-tech-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.about-tech-desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ===== Use Cases Grid ===== */
.about-usecases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.about-usecase {
  padding: 32px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.about-usecase:hover {
  border-color: rgba(0, 212, 170, 0.2);
  transform: translateY(-2px);
}

.about-usecase-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.about-usecase-icon.family {
  background: rgba(37, 211, 102, 0.08);
  border: 1px solid rgba(37, 211, 102, 0.2);
  color: #25D366;
}

.about-usecase-icon.business {
  background: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.2);
  color: #0ea5e9;
}

.about-usecase-icon.security {
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.2);
  color: var(--color-primary);
}

.about-usecase h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.about-usecase p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Contact Card ===== */
.about-contact-card {
  max-width: 600px;
  margin: 0 auto;
  padding: 48px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.about-contact-inner h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.about-contact-inner p {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.about-contact-items {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.about-contact-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: rgba(0, 212, 170, 0.06);
  border: 1px solid rgba(0, 212, 170, 0.12);
  border-radius: 24px;
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.about-contact-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.about-contact-item a {
  color: var(--color-primary);
  font-weight: 500;
}

.about-cta-wrap {
  margin-top: 8px;
}

/* ===== Footer extras ===== */
.footer-company-name {
  color: var(--text-secondary);
  font-size: var(--text-xs);
}

.footer-company-name strong {
  color: var(--text-primary);
  font-weight: 600;
}

.footer-cnpj {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .about-tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .about-hero {
    padding: 120px 0 60px;
  }

  .about-hero-title {
    font-size: 2rem;
  }

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

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

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

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

  .about-hero-meta {
    gap: 16px;
  }

  .about-meta-divider {
    display: none;
  }

  .about-contact-card {
    padding: 32px 24px;
  }
}