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

html {
  font-size: 16px;
}

body {
  font-family: 'IBM Plex Mono', monospace;
  background: #ffffff;
  color: #1a1a1a;
  line-height: 1.6;
}

a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Header */
header {
  border-bottom: 1px solid #e5e5e5;
  padding: 1.5rem 0;
}

.header-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a1a1a;
}

.logo:hover {
  text-decoration: none;
}

.header-links {
  display: flex;
  gap: 2rem;
}

.header-links a {
  color: #6b6b6b;
  font-size: 0.875rem;
}

.header-links a:hover {
  color: #1a1a1a;
}

/* Main content */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 4rem 0;
  border-bottom: 1px solid #e5e5e5;
}

section:last-of-type {
  border-bottom: none;
}

/* Hero */
.hero {
  padding: 6rem 0;
}

.hero h1 {
  font-size: 4.75rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero .subtitle {
  color: #6b6b6b;
  font-size: 1rem;
  margin-bottom: 2.5rem;
  max-width: 540px;
}

.hero .install-cmd {
  background: #f6f6f6;
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  margin-bottom: 2rem;
  display: inline-block;
}

.buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.75rem 1.5rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-secondary {
  background: #ffffff;
  color: #1a1a1a;
  border: 1px solid #e5e5e5;
}

.btn-secondary:hover {
  border-color: #1a1a1a;
  text-decoration: none;
}

/* Section titles */
h2 {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 2rem;
}

/* Concepts grid */
.concepts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.concept h3 {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.concept p {
  color: #6b6b6b;
  font-size: 0.875rem;
}

/* Benefits list */
.benefits-list {
  list-style: none;
}

.benefits-list li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: #1a1a1a;
  font-size: 0.9375rem;
}

.benefits-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #6b6b6b;
}

/* Table */
.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th {
  text-align: left;
  padding: 0.75rem 0;
  border-bottom: 1px solid #1a1a1a;
  font-weight: 500;
}

td {
  padding: 0.75rem 0;
  border-bottom: 1px solid #e5e5e5;
  color: #1a1a1a;
}

td:first-child {
  font-weight: 500;
}

/* Footer */
footer {
  padding: 3rem 0;
  text-align: center;
  color: #6b6b6b;
  font-size: 0.875rem;
  border-top: 1px solid #e5e5e5;
}

footer a {
  color: #6b6b6b;
}

footer a:hover {
  color: #1a1a1a;
}

/* Responsive */
@media (max-width: 640px) {
  .header-content {
    padding: 0 1.5rem;
  }

  main {
    padding: 0 1.5rem;
  }

  .hero {
    padding: 4rem 0;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .concepts-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  section {
    padding: 3rem 0;
  }

  table {
    font-size: 0.8125rem;
  }

  th, td {
    padding: 0.5rem 0.5rem 0.5rem 0;
  }
}