/* ================================================================
   about.css — about page
   ================================================================
   Phone-first. No borders — separation by surface + shadow.
   ================================================================ */

.page-about .main-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
  max-width: none;
}

.about-intro {
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.about-lead {
  margin: 0;
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  letter-spacing: -0.005em;
}

.about-lead-secondary {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

.about-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.about-section-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: var(--leading-snug);
}

.about-section-title svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
  flex-shrink: 0;
}

.about-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

@media (min-width: 640px) {
  .about-card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }
}

@media (min-width: 900px) {
  .about-card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.about-card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .about-card {
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    gap: var(--space-3);
  }
}

.about-card-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.about-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--accent-subtle);
  color: var(--accent);
  flex-shrink: 0;
}

.about-card-icon svg {
  width: 16px;
  height: 16px;
}

.about-card-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: var(--leading-snug);
  margin: 0;
}

.about-card p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

.about-card p strong {
  color: var(--text-primary);
  font-weight: var(--weight-semibold);
}

.about-card ul {
  margin: 0;
  padding-left: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 4px;
  list-style: disc;
}

.about-card ul li {
  font-size: var(--text-xs);
  line-height: var(--leading-snug);
  color: var(--text-secondary);
}

.about-tag-row {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.about-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  background: var(--accent-subtle);
  border-radius: var(--radius-full);
  font-size: var(--text-2xs);
  font-weight: var(--weight-semibold);
  color: var(--accent);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.about-tag svg {
  width: 10px;
  height: 10px;
}

/* Risk disclaimer */
.about-disclaimer {
  background: var(--warning-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

@media (min-width: 768px) {
  .about-disclaimer {
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    gap: var(--space-3);
  }
}

.about-disclaimer-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--warning);
  line-height: var(--leading-snug);
}

.about-disclaimer-head svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.about-disclaimer-intro {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

.about-disclaimer-list {
  margin: 0;
  padding-left: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: disc;
}

.about-disclaimer-list li {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

.about-disclaimer-list li strong {
  color: var(--text-primary);
  font-weight: var(--weight-semibold);
}

.about-disclaimer-footer {
  padding-top: var(--space-2);
  box-shadow: inset 0 1px 0 rgba(217, 119, 6, 0.2);
}

.about-disclaimer-footer p {
  margin: 0;
  font-size: var(--text-xs);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

.about-disclaimer-footer a {
  color: var(--warning);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Contact card */
.about-contact-card {
  gap: var(--space-3);
}

.about-contact-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.about-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 36px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-decoration: none;
  transition: background-color var(--duration-fast) var(--ease);
}

.about-cta svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.about-cta-primary {
  background: var(--accent);
  color: var(--accent-fg);
}

.about-cta-primary:hover {
  background: var(--accent-hover);
}

.about-cta-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.about-cta-secondary:hover {
  background: var(--bg-subtle);
}

/* Version info */
.about-version {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding-top: var(--space-2);
  box-shadow: inset 0 1px 0 var(--divider);
  font-size: var(--text-2xs);
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1, 'zero' 1;
}

.about-version span {
  display: inline-flex;
  gap: 4px;
}

.about-version strong {
  color: var(--text-secondary);
  font-weight: var(--weight-medium);
}

/* Responsive */
@media (max-width: 640px) {
  .about-lead {
    font-size: var(--text-md);
  }

  .about-disclaimer {
    padding: var(--space-2);
  }

  .about-contact-actions {
    flex-direction: column;
  }

  .about-cta {
    justify-content: center;
    width: 100%;
    min-height: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-card,
  .about-cta,
  .about-disclaimer-footer a {
    transition-duration: 0.01ms !important;
  }
}