body {
  background: #f7f7f7;
  font-family: 'Segoe UI', Arial, sans-serif;
}

.bg-main-header {
  background: #666769;
}

.btn-main {
  background: #4fa3df;
  color: #fff;
  border: none;
  transition: background .2s;
}
.btn-main:hover {
  background: #368fd1;
}

.bg-label {
  background: #999;
  font-size: 13px;
  letter-spacing: .1em;
}
.tagline {
  font-size: 1rem;
  color: #f5f5f5;
  opacity: .85;
}

.about-section {
  background: none;
}
.about-bg {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 7px 24px 0 rgba(44, 44, 44, 0.10);
}
.about-title {
  font-size: 2rem;
}
.about-desc {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.about-icon {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.about-feature-desc {
  font-size: 0.98rem;
  color: #666;
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
}

/* Contact Section */
.contact-section {
  background: #191a1c;
}
.contact-form {
  min-width: 300px;
}
.form-title {
  background: #4fa3df;
  padding: .8rem 1rem;
  margin-left: -1.5rem;
  margin-right: -1.5rem;
  margin-top: -1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 12px 0 rgba(44, 44, 44, 0.045);
}

.contact-form .form-control {
  border-radius: 6px;
  border: 1.2px solid #c5dae9;
  font-size: 16px;
}
.contact-form .btn-main {
  margin-top: .8rem;
  font-weight: 500;
  font-size: 1rem;
}

/* Footer */
.bg-footer {
  background: #47494b;
}
footer a:hover {
  color: #4fa3df !important;
}

/* Responsive adjustments */
@media (max-width: 991.98px) {
  .contact-section .container {
    flex-direction: column !important;
  }
  .contact-form {
    margin-left: 0 !important;
    margin-right: auto;
  }
}

@media (max-width: 767.98px) {
  .about-bg {
    padding-left: 8px !important;
    padding-right: 8px !important;
  }
  .contact-form {
    padding: 1.2rem !important;
  }
  .form-title {
    margin-left: -1.2rem !important;
    margin-right: -1.2rem !important;
    margin-top: -1.2rem !important;
  }
  .about-title {
    font-size: 1.5rem;
  }
}
/* Стили для кнопок социальных сетей */
.btn-floating {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.btn-floating:hover {
  background-color: #fff;
  color: #212529;
  transform: translateY(-3px);
}

.social-links a {
  font-size: 18px;
}

footer {
  margin-top: auto;
}