:root {
  --bg: #0b0f19;
  --card-bg: #131c2e;
  --border: #232f45;
  --text-main: #ffffff;
  --text-body: #e2e8f0;
  --text-muted: #94a3b8;
  --accent: #60a5fa;
  --accent-hover: #93c5fd;
  --btn-bg: #1d5cb8;
  --btn-hover: #2563eb;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.65;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  flex: 1;
}

/* Navigation */
nav {
  margin-top: 2rem;
  margin-bottom: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.25rem;
}

nav a.brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

nav img.nav-logo {
  height: 38px;
  width: auto;
  display: block;
}

nav a.back-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 0.15s ease;
}

nav a.back-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Headers & Headings */
header.hero {
  max-width: 800px;
  margin: 3.5rem auto 2.5rem auto;
  text-align: center;
}

.hero-logo {
  width: 100%;
  max-width: 380px;
  height: auto;
  display: inline-block;
  margin-bottom: 1.5rem;
}

h1 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

h2 {
  font-size: 1.35rem;
  color: var(--accent);
  margin: 2rem 0 0.75rem 0;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
  font-weight: 700;
}

.subtitle {
  color: var(--text-body);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.effective-date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

/* Content Elements */
p, ul, ol {
  color: var(--text-body);
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
}

ul, ol {
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

strong {
  color: var(--text-main);
}

a.inline-link {
  color: var(--accent);
  text-decoration: underline;
}

a.inline-link:hover {
  color: var(--accent-hover);
}

/* Containers & Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.75rem;
  margin-bottom: 1.5rem;
}

.card h2 {
  margin-top: 0;
  border-bottom: none;
  padding-bottom: 0;
}

.box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  color: var(--text-body);
}

/* Buttons & Navigation Grid */
.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.link-button {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 1.25rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-main);
  text-align: center;
  font-weight: 600;
  font-size: 1.05rem;
  transition: all 0.2s ease;
}

.link-button:hover {
  background-color: var(--btn-bg);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(29, 92, 184, 0.35);
}

.btn {
  display: inline-block;
  background: var(--btn-bg);
  color: #ffffff;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 1.75rem;
  border-radius: 6px;
  text-decoration: none;
  margin-top: 1rem;
  transition: all 0.2s ease;
}

.btn:hover {
  background-color: var(--btn-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Footer */
footer {
  max-width: 800px;
  margin: auto auto 2rem auto;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  width: 100%;
}