:root {
  --bg: #1b1414;
  --surface: #2b2727;
  --border: #312f2f;
  --text: #e8e6e3;
  --muted: #abafb7;
  --accent: #ff9500;
  --danger: #8b1a1a;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Exo 2", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a:hover {
  text-decoration: underline;
}

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

nav {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.05em;
}

.brand span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

main {
  flex: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}

.hero {
  text-align: center;
  padding: 4rem 1rem;
}

.hero h1 {
  font-size: 2.8rem;
  margin: 0 0 1rem;
  font-weight: 700;
}

.hero p {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin: 1.5rem 0;
}

.card h2 {
  margin-top: 0;
  color: var(--accent);
  font-size: 1.35rem;
}

h1, h2, h3 {
  line-height: 1.3;
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

h3 {
  font-size: 1.15rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--muted);
}

p, ul, li {
  color: var(--muted);
}

ul {
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.4rem;
}

footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}

footer .links {
  margin-top: 0.5rem;
}

footer .links a {
  margin: 0 0.5rem;
}

.date {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

@media (max-width: 600px) {
  nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero h1 {
    font-size: 2rem;
  }
}