#about-content {
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
}

.about-card h2 {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.about-card p {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.7;
  margin: 0;
}

.about-card p + p {
  margin-top: 0.35rem;
}

.about-card a {
  color: var(--accent);
  text-decoration: none;
}
.about-card a:hover {
  text-decoration: underline;
}

.about-hero {
  text-align: center;
  padding: 2rem 1.5rem;
}

.about-hero .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 204, 153, 0.1);
  color: var(--accent);
  margin-bottom: 1rem;
}

.about-hero .icon svg {
  width: 24px;
  height: 24px;
}

.about-hero h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 0.5rem;
}

.source-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

.source-row:last-child {
  border-bottom: none;
}

.source-row .source-name {
  color: var(--text);
  font-weight: 500;
}
.source-row .source-desc {
  color: var(--muted);
  font-size: 0.78rem;
}

.github-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition:
    border-color 0.15s,
    background 0.15s;
}
.github-btn:hover {
  border-color: #555;
  background: #1c2128;
  text-decoration: none;
}
.github-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}