:root {
  --primary-color: #FFFFFF;
  --secondary-color: #999999;
  --accent-color: #FF3300;
  --bg-color: #111111;
  --card-bg: #000000;
  --text-color: #FFFFFF;
  --border-color: #333333;
  --font-stack: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

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

body {
  font-family: var(--font-stack);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* Header */
header {
  margin-bottom: 60px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.logo {
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  color: var(--accent-color);
}

nav a {
  margin-left: 30px;
  text-decoration: none;
  color: var(--secondary-color);
  font-size: 12px;
  transition: color 0.2s;
}

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

/* Typography */
h1,
h2,
h3 {
  color: var(--primary-color);
  font-weight: 400;
  text-transform: uppercase;
}

h1 {
  font-size: 32px;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

h2 {
  font-size: 20px;
  margin-top: 40px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
  display: inline-block;
}

h3 {
  font-size: 16px;
  margin-bottom: 10px;
  color: var(--accent-color);
}

p {
  margin-bottom: 15px;
  color: var(--secondary-color);
  max-width: 700px;
}

a {
  color: var(--primary-color);
  text-decoration: underline;
}

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

/* Buttons */
.btn {
  display: inline-block;
  background-color: var(--accent-color);
  color: #FFFFFF;
  padding: 12px 24px;
  border-radius: 2px;
  text-decoration: none;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 1px;
  transition: opacity 0.2s;
  border: 1px solid var(--accent-color);
}

.btn:hover {
  background-color: transparent;
  color: var(--accent-color);
  opacity: 1;
  text-decoration: none;
}

/* Hero */
.hero {
  padding: 60px 0;
  border-bottom: 1px solid var(--border-color);
}

.hero p {
  font-size: 16px;
  color: var(--secondary-color);
  margin-bottom: 30px;
}

/* Features Grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background-color: var(--border-color);
  /* Creates grid lines */
  border: 1px solid var(--border-color);
  margin: 60px 0;
}

.feature-card {
  background-color: var(--card-bg);
  padding: 30px;
  height: 100%;
}

.feature-card h3 {
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 0;
}

/* Footer */
.footer {
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 20px;
}

.footer p {
  font-size: 11px;
  text-transform: uppercase;
  margin-bottom: 0;
}

.footer .links {
  display: flex;
  gap: 20px;
}

.footer a {
  color: var(--secondary-color);
  text-decoration: none;
  font-size: 11px;
  text-transform: uppercase;
}

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