:root {
  --deep: #2d3830;
  --moss: #4a5a4f;
  --sage: #6b7d6e;
  --light: #8a9e8c;
  --lichen: #c8d4ca;
  --paper: #f4f6f4;
  --ink: #1f2b22;
  --accent: #4a5a4f;
  --accent-hover: #2d3830;
  --elevation: 0 8px 24px rgba(45,56,48,0.12);
  --font-display: 'JetBrains Mono', monospace;
  --font-body: 'Inter', sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --transition: 0.25s ease;
  --max-w: 75rem;
  --grid-gap: 0.5rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--moss);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  transition: color var(--transition);
}

a:hover {
  color: var(--deep);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--ink);
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
}

h3 {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
}

p {
  margin: 0 0 var(--space-sm);
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--space-sm);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-lg);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--paper);
  background: var(--moss);
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition);
}

.btn:hover {
  background: var(--deep);
  color: var(--paper);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--moss);
  border: 1px solid var(--moss);
}

.btn-outline:hover {
  background: var(--moss);
  color: var(--paper);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}