:root {
  --mono-black: #050505;
  --mono-gray-dark: #333333;
  --mono-gray-light: #f5f5f5;
  --mono-border: #e0e0e0;
  --mono-white: #ffffff;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--mono-black);
  background-color: var(--mono-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--mono-black);
}

h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2.25rem;
  margin-top: 4rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--mono-black);
  padding-bottom: 0.5rem;
}

p, li {
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--mono-gray-dark);
}

a {
  color: var(--mono-black);
  text-decoration: none;
  border-bottom: 1px solid var(--mono-border);
  transition: border-color 0.2s ease;
}

a:hover {
  border-bottom-color: var(--mono-black);
}

/* Navbar */
.navbar {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--mono-border);
  padding: 1rem 0;
}

.navbar-brand {
  font-weight: 700 !important;
  letter-spacing: -0.02em;
  font-size: 1.25rem;
  white-space: nowrap;
  overflow: visible !important;
  text-overflow: clip !important;
  flex-shrink: 0 !important;
}

.nav-link {
  font-weight: 500 !important;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-left: 1rem;
  display: flex !important;
  align-items: center;
  white-space: nowrap;
}

.navbar-nav {
  align-items: center;
}

@media (max-width: 1200px) {
  .navbar-brand {
    font-size: 1.1rem !important;
    margin-right: 1rem;
  }
  .nav-link {
    margin-left: 0.5rem !important;
    font-size: 0.85rem !important;
    letter-spacing: 0.02em !important;
  }
}

/* Hero Section */
.hero-section {
  padding: 6rem 0 4rem;
  text-align: left;
}

.hero-section .lead {
  font-size: 1.5rem;
  font-weight: 300;
  max-width: 800px;
  color: var(--mono-gray-dark);
  margin-bottom: 2.5rem;
  line-height: 1.5;
}

.action-buttons {
  margin-bottom: 4rem;
}

.action-buttons p {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 0;
}

@media (max-width: 576px) {
  .action-buttons p {
    flex-direction: column;
  }
  .btn-primary, .btn-secondary {
    text-align: center;
    width: 100%;
  }
}

.btn-primary {
  background-color: var(--mono-black);
  color: var(--mono-white) !important;
  border: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: transform 0.2s ease;
  border-bottom: none;
  white-space: nowrap;
}

.btn-primary:hover {
  transform: translateY(-2px);
  background-color: #222;
  border-bottom: none;
}

.btn-secondary {
  background-color: transparent;
  color: var(--mono-black) !important;
  border: 1px solid var(--mono-black);
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.2s ease;
  border-bottom: 1px solid var(--mono-black);
  white-space: nowrap;
}

.btn-secondary:hover {
  background-color: var(--mono-gray-light);
  border-bottom: 1px solid var(--mono-black);
}

/* Technical Terminal Display */
.terminal-window {
  margin: 3rem 0;
  border: 1px solid var(--mono-border);
  border-radius: 6px;
  background-color: #fafafa;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.03);
}

.terminal-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--mono-border);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  color: #888;
}

.terminal-header .dots {
  display: flex;
  gap: 6px;
  margin-right: 1rem;
}

.terminal-header .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid #ddd;
}

.terminal-body {
  padding: 3rem 2rem;
  display: flex;
  justify-content: center;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 1px,
    #fcfcfc 1px,
    #fcfcfc 2px
  );
}

.terminal-placeholder {
  font-family: 'Fira Code', monospace;
  color: #999;
  text-align: center;
  padding: 2rem;
  border: 1px dashed #ccc;
  background: #fff;
  width: 100%;
  max-width: 600px;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.feature-card {
  padding: 2rem;
  border: 1px solid var(--mono-border);
  background-color: #ffffff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.04);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  font-family: 'Fira Code', monospace;
  letter-spacing: -0.02em;
  border-bottom: none;
}

.feature-card p {
  font-size: 1rem;
  margin-bottom: 0;
  color: #555;
}

/* Code blocks */
pre, code {
  font-family: 'Fira Code', monospace;
  background-color: var(--mono-gray-light);
  color: var(--mono-black);
  font-size: 0.9em;
}

/* Main Container */
.quarto-container {
  max-width: 1100px;
  margin: 0 auto;
}

/* Table of Contents */
#TOC {
  font-size: 0.9rem;
}

#TOC a {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #888;
  transition: color 0.2s ease;
  line-height: 1.5;
  margin-bottom: 0.5rem;
  padding-left: 0.5rem;
  border-left: 2px solid transparent;
  border-bottom: none;
}

#TOC a:hover, #TOC a.active {
  white-space: normal;
  overflow: visible;
  color: var(--mono-black);
  border-left: 2px solid var(--mono-black);
  border-bottom: none;
}