.about-page {
  --about-primary: #22c55e;
  --about-primary-dark: #16a34a;
  --about-bg: #0f172a;
  --about-surface: #1e293b;
  --about-border: #334155;
  --about-text: #f8fafc;
  --about-text-muted: #94a3b8;
}

.about-hero {
  background: linear-gradient(135deg, var(--about-bg) 0%, #1e293b 100%);
  padding: 80px 0;
  text-align: center;
}
.about-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--about-text);
  margin-bottom: 1rem;
}
@media (max-width: 768px) {
  .about-hero h1 {
    font-size: 2rem;
  }
}
.about-hero__subtitle {
  font-size: 1.25rem;
  color: var(--about-text-muted);
  max-width: 600px;
  margin: 0 auto;
}
@media (max-width: 768px) {
  .about-hero__subtitle {
    font-size: 1rem;
  }
}

.about-section {
  padding: 80px 0;
  background: var(--about-bg);
}
.about-section--alt {
  background: var(--about-surface);
}
.about-section h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--about-text);
  margin-bottom: 1.5rem;
}
@media (max-width: 768px) {
  .about-section {
    padding: 48px 0;
  }
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.about-grid--reverse {
  direction: rtl;
}
.about-grid--reverse > * {
  direction: ltr;
}
@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .about-grid--reverse {
    direction: ltr;
  }
}

.about-content p {
  color: var(--about-text-muted);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}
.about-content ul {
  color: var(--about-text-muted);
  margin: 1rem 0;
  padding-left: 1.5rem;
}
.about-content ul li {
  margin-bottom: 0.5rem;
}
.about-content strong {
  color: var(--about-text);
}

.about-card {
  background: var(--about-surface);
  border: 1px solid var(--about-border);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
}
.about-card__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: rgba(34, 197, 94, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--about-primary);
}
.about-card h4 {
  color: var(--about-text);
  font-size: 1.25rem;
  margin-bottom: 12px;
}
.about-card p {
  color: var(--about-text-muted);
  font-size: 0.9375rem;
  margin: 0;
}

.about-reasons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 48px;
}
@media (max-width: 768px) {
  .about-reasons {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.about-reason {
  background: var(--about-bg);
  border: 1px solid var(--about-border);
  border-radius: 12px;
  padding: 32px;
}
.about-reason__number {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--about-primary);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.about-reason h3 {
  color: var(--about-text);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.about-reason p {
  color: var(--about-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin: 0;
}

.about-tech {
  background: #0d1117;
  border: 1px solid var(--about-border);
  border-radius: 12px;
  padding: 24px;
  overflow-x: auto;
}
.about-tech pre {
  margin: 0;
}
.about-tech code {
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.875rem;
  color: #e6edf3;
  line-height: 1.6;
}

.about-opensource-text {
  max-width: 800px;
  margin: 0 auto 1rem;
  text-align: center;
  color: var(--about-text-muted);
  font-size: 1.0625rem;
  line-height: 1.7;
}
.about-opensource-text strong {
  color: var(--about-text);
}

.about-cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}
.about-cta .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: all 150ms ease;
}
.about-cta .btn-primary {
  background: var(--about-primary);
  color: #fff;
  border: none;
}
.about-cta .btn-primary:hover {
  background: var(--about-primary-dark);
}
.about-cta .btn-outline {
  background: transparent;
  color: var(--about-text);
  border: 1px solid var(--about-border);
}
.about-cta .btn-outline:hover {
  background: var(--about-surface);
  border-color: var(--about-text-muted);
}
@media (max-width: 480px) {
  .about-cta {
    flex-direction: column;
  }
  .about-cta .btn {
    width: 100%;
    justify-content: center;
  }
}