/* Bernardo Zubko — Base Styles */
:root {
  --bg: #0a0a0a;
  --fg: #e0e0e0;
  --accent: #ff3300;
  --dim: #666;
  --panel-bg: #111;
  --border: #333;
  --mono: "JetBrains Mono", "SF Mono", Menlo, monospace;
  --sans: Inter, system-ui, -apple-system, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  line-height: 1.6;
  max-width: 80ch;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

header {
  border-bottom: 1px solid var(--dim);
  padding-bottom: 2rem;
  margin-bottom: 3rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

nav {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}

nav a {
  color: var(--fg);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.85rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

nav a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

section {
  margin-bottom: 4rem;
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  color: var(--fg);
  font-family: var(--mono);
}

p {
  margin-bottom: 1rem;
  color: #ccc;
}

.ledger-link {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  padding: 0.75rem 1.5rem;
  font-family: var(--mono);
  font-weight: bold;
  text-decoration: none;
  border-radius: 4px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.ledger-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 51, 0, 0.4);
}

footer {
  border-top: 1px solid var(--dim);
  padding-top: 2rem;
  margin-top: 4rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--dim);
  display: flex;
  justify-content: space-between;
}