@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");

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

:root {
  --primary: #0c99e9;
  --secondary: #36b2f8;
  --dark: #0f172a;
  --gray: #64748b;
  --light-gray: #f1f5f9;
  --white: #ffffff;
}

body {
  font-family: "Inter", system-ui, sans-serif;
  color: var(--dark);
  line-height: 1.7;
  background: var(--white);
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page-header {
  background: var(--dark);
  padding: 0 5%;
  position: sticky;
  top: 0;
  z-index: 100;
}

.page-header nav {
  display: flex;
  align-items: center;
  height: 70px;
  max-width: 900px;
  margin: 0 auto;
}

.page-header .logo h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
}

.page-header .logo a {
  text-decoration: none;
}

.page-header .highlight {
  color: var(--primary);
}

.page-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 20px;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--dark);
}

.page-content h2,
.page-content h3,
.page-content h4,
.page-content h5 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--dark);
}

.page-content h2 { font-size: 1.5rem; }
.page-content h3 { font-size: 1.25rem; }
.page-content h4 { font-size: 1.1rem; }

.page-content p {
  margin-bottom: 1rem;
  color: #334155;
  font-size: 0.95rem;
}

.page-content ul,
.page-content ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.page-content li {
  margin-bottom: 0.5rem;
  color: #334155;
  font-size: 0.95rem;
}

.page-content strong {
  color: var(--dark);
}

.page-footer {
  background: var(--dark);
  color: #94a3b8;
  padding: 30px 5%;
}

.page-footer .footer-inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-footer p {
  font-size: 0.85rem;
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
}

.footer-nav a {
  color: #94a3b8;
  font-size: 0.85rem;
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: var(--secondary);
  text-decoration: none;
}

@media (max-width: 640px) {
  .page-footer .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}