/* ===================================
   Header & Navigation
   =================================== */

.header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo:hover {
  color: var(--color-secondary);
}

.logo-icon {
  width: 32px;
  height: 32px;
  display: inline-block;
  vertical-align: middle;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-secondary);
  background-color: rgba(59, 130, 246, 0.1);
}

/* ===================================
   Buttons
   =================================== */

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
}

.btn-secondary:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: var(--font-size-md);
}

/* ===================================
   Forms
   =================================== */

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-text);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: var(--font-size-sm);
  font-family: var(--font-primary);
  color: var(--color-text);
  background-color: var(--color-white);
  border: 2px solid #E2E8F0;
  border-radius: var(--border-radius);
  transition: all var(--transition);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-light);
}

/* ===================================
   Footer
   =================================== */

.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
}

.footer-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.footer-section h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-md);
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-xs);
}

.footer-section a:hover {
  color: var(--color-accent);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-xs);
}

/* ===================================
   Contact Info Component
   =================================== */

.contact-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background-color: rgba(59, 130, 246, 0.05);
  border-radius: var(--border-radius);
  margin: var(--spacing-md) 0;
}

.contact-info a {
  font-weight: 600;
  font-size: var(--font-size-md);
}

/* ===================================
   Responsive Navigation
   =================================== */

@media (max-width: 640px) {
  .header-container {
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
  }

  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-xs);
  }

  .nav-link {
    width: 100%;
    text-align: center;
  }

  .btn {
    width: 100%;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}