:root {
  --primary-color: #3b82f6;
  --font-body: 'Inter', Inter, system-ui, sans-serif;
  --font-heading: 'Inter', Inter, system-ui, sans-serif;
}

/* Base */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
}

/* FAQ Accordion */
.faq-item {
  border: 1px solid #e5e7eb;
  border-radius: 0.75rem;
  overflow: hidden;
  margin-bottom: 1rem;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.5rem;
  cursor: pointer;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.125rem;
  font-weight: 600;
  color: #111827;
  transition: background-color 0.2s;
}

.faq-question:hover {
  background-color: #f9fafb;
}

.faq-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: #6b7280;
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 24rem;
}

.faq-answer p {
  padding: 0 1.5rem 1.5rem;
  color: #4b5563;
  line-height: 1.75;
}

/* Mobile Nav */
.mobile-menu {
  display: none;
}

.mobile-menu.open {
  display: block;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }
}