/* Services Section */
.services {
  padding: var(--space-20) 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.service-card {
  padding: var(--space-8);
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.service-card:nth-child(2) {
  background: #f7f7f7;
  border-color: transparent;
}

.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.service-card h3 {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.service-card p {
  color: var(--color-text-light);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

/* Case Studies Section */
.case-studies {
  padding: var(--space-20) 0;
  background: var(--color-bg-alt);
}

.case-studies-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.case-study-card {
  display: flex;
  flex-direction: column;
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
}

.case-study-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-study-logo {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.case-study-logo img {
  height: 40px;
  width: auto;
}

.case-study-content {
  padding: var(--space-6);
  flex: 1;
}

.case-study-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.case-study-desc {
  color: var(--color-text-light);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.case-study-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.case-study-tag {
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  color: var(--color-text-light);
}

/* Client Logos */
.clients {
  padding: var(--space-16) 0;
  background: white;
}

.clients-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.clients-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-8);
}

.client-logo {
  opacity: 0.6;
  transition: opacity var(--transition-base);
  max-height: 40px;
  width: auto;
}

.client-logo:hover {
  opacity: 1;
}

/* FHIR Contributions */
.contributions {
  padding: var(--space-20) 0;
}

.contributions-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.contributions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.contribution-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
}

.contribution-card:hover {
  background: white;
  box-shadow: var(--shadow-md);
}

.contribution-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.contribution-content h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.contribution-content p {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* Features Grid (for Aidbox page) */
.features {
  padding: var(--space-20) 0;
}

.features-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.feature-card {
  padding: var(--space-6);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-4);
}

.feature-card h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.feature-tag {
  padding: var(--space-1) var(--space-2);
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  color: var(--color-primary);
}

.feature-card p {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* Contact Section */
.contact {
  padding: var(--space-20) 0;
  background: var(--color-bg-alt);
}

.contact-inner {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.contact-form {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* Newsletter */
.newsletter {
  padding: var(--space-16) 0;
  background: var(--color-primary);
  color: white;
}

.newsletter-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.newsletter h3 {
  color: white;
  margin-bottom: var(--space-2);
}

.newsletter p {
  opacity: 0.9;
  margin-bottom: 0;
}

.newsletter-form {
  display: flex;
  gap: var(--space-3);
}

.newsletter-form input {
  width: 300px;
  padding: var(--space-3) var(--space-4);
  border: none;
  border-radius: var(--radius-md);
}

.newsletter-form button {
  background: white;
  color: var(--color-primary);
  border: none;
  padding: var(--space-3) var(--space-6);
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.newsletter-form button:hover {
  background: var(--color-bg-alt);
}

/* Responsive */
@media (max-width: 1024px) {
  .services-grid,
  .case-studies-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contributions-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .newsletter-inner {
    flex-direction: column;
    text-align: center;
  }

  .newsletter-form {
    flex-direction: column;
    width: 100%;
  }

  .newsletter-form input {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .features-grid,
  .contributions-grid {
    grid-template-columns: 1fr;
  }

  .contact-form .form-row {
    grid-template-columns: 1fr;
  }
}