body {
  background: #f7fafd;
  font-family: system-ui, sans-serif;
  color: #212529;
  transition: background 0.3s, color 0.3s;
}

body.dark {
  background: #121212;
  color: #e0e0e0;
}

.business-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 4px 24px #e3e9f7;
  padding: 36px 28px;
  max-width: 720px;
  margin: 32px auto;
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
  transform: translateY(20px);
}
body.dark .business-card {
  background: #1e1e1e;
  color: #f8f9fa;
  box-shadow: 0 0 20px rgba(0,0,0,0.3);
}

@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
}

.main-title {
  font-weight: 700;
  font-size: 1.8em;
  margin-bottom: 6px;
}
.subtitle {
  color: #2196f3;
  font-weight: 500;
  margin-bottom: 16px;
}
body.dark .subtitle {
  color: #90cdf4;
}

.main-btn {
  display: block;
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  font-weight: 600;
  margin: 12px auto;
  text-decoration: none;
  box-shadow: 0 2px 8px #e2ecfa;
  transition: transform 0.2s, box-shadow 0.2s;
}
.main-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px #d2e2ff;
}
body.dark .main-btn {
  background-color: #2c2c2c;
  color: #fff;
  border: 1px solid #444;
}

.profile-photo {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 2px 16px #e2ecfa;
  margin-bottom: 18px;
}

.theme-toggle {
  position: absolute;
  top: 16px;
  right: 16px;
}
@media (max-width: 600px) {
  .theme-toggle {
    top: 12px;
    right: 12px;
  }
}
footer {
  text-align: center;
  font-size: 0.9em;
  color: #888;
  margin-top: 40px;
  margin-bottom: 20px;
}
footer a {
  color: #2196f3;
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}

body.dark footer {
  color: #aaa;
}
body.dark footer a {
  color: #90cdf4;
}
.subtitle {
  font-size: 1.1rem;
  font-weight: 500;
  color: #bbb;
  margin-bottom: 0.5rem;
}
.profile-photo {
  max-width: 120px;
  border-radius: 50%;
  margin-bottom: 1rem;
}
.seo-section {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #333 !important; /* Было: #ddd */
}

.seo-section strong {
  color: #000 !important; /* Было: #fff */
  font-weight: 600;
}

.seo-section h2 {
  font-size: 1.25rem;
  color: #444 !important; /* Было: #aaa */
  font-weight: 500;
  margin-bottom: 1rem;
}