* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #fafbfc;
  color: #334155;
  line-height: 1.7;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px;
}

/* Navigation */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  margin-bottom: 32px;
  border-bottom: 1px solid #e2e8f0;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #0f4c5c;
  font-weight: 700;
  font-size: 18px;
}

.logo {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #0f4c5c, #14b8a6);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo svg {
  width: 20px;
  height: 20px;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: #64748b;
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: #14b8a6;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 32px;
}

h1 {
  color: #0f4c5c;
  font-size: 28px;
  margin-bottom: 8px;
}

.updated {
  color: #64748b;
  font-size: 14px;
}

/* Cards */
.card {
  background: #ffffff;
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
  border: 1px solid #e2e8f0;
}

h2 {
  color: #0f4c5c;
  font-size: 18px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

h2::before {
  content: '';
  width: 4px;
  height: 20px;
  background: #14b8a6;
  border-radius: 2px;
}

p {
  margin-bottom: 12px;
}

ul {
  margin: 12px 0;
  padding-left: 24px;
}

li {
  margin-bottom: 8px;
}

strong {
  color: #0f4c5c;
}

.highlight {
  background: #f0fdfa;
  border-left: 3px solid #14b8a6;
  padding: 16px;
  border-radius: 0 8px 8px 0;
  margin: 16px 0;
}

a {
  color: #14b8a6;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Support page specific */
.contact-box {
  margin: 20px 0;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: #f0fdfa;
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s;
}

.contact-item:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.contact-icon {
  font-size: 24px;
}

.contact-item span {
  display: block;
  color: #14b8a6;
  font-size: 14px;
}

.faq {
  padding: 16px 0;
  border-bottom: 1px solid #f1f5f9;
}

.faq:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.faq h3 {
  color: #0f4c5c;
  font-size: 15px;
  margin-bottom: 8px;
}

.faq p {
  color: #64748b;
  font-size: 14px;
  margin-bottom: 0;
}

/* Footer */
.footer {
  text-align: center;
  color: #64748b;
  font-size: 14px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid #e2e8f0;
}

/* Mobile responsive */
@media (max-width: 600px) {
  .nav {
    flex-direction: column;
    gap: 16px;
  }

  .nav-links {
    gap: 16px;
  }

  h1 {
    font-size: 24px;
  }

  .card {
    padding: 20px;
  }
}