/* ScaledAIOps Framework — TUI Theme */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700;800&display=swap');

:root {
  --color-bg: #0c0c0c;
  --color-bg-panel: #111111;
  --color-border: #333;
  --color-text: #b0b0b0;
  --color-text-bright: #e0e0e0;
  --color-green: #39ff14;
  --color-green-dim: #1a8a0a;
  --color-cyan: #00e5ff;
  --color-amber: #ffb700;
  --color-red: #ff3333;
  --color-magenta: #ff44cc;
  --color-blue: #4488ff;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'SF Mono', Consolas, monospace;
  --max-width: 960px;
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-mono);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
}

::selection {
  background: var(--color-green);
  color: var(--color-bg);
}

a {
  color: var(--color-cyan);
  text-decoration: none;
}

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

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 48px;
}

.site-logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-green);
  display: flex;
  align-items: center;
  gap: 0;
}

.site-logo::before {
  content: '> ';
  color: var(--color-border);
}

.site-logo span {
  color: var(--color-cyan);
}

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

.site-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.site-nav a {
  color: var(--color-text);
  font-size: 0.8rem;
  font-weight: 400;
}

.site-nav a:hover {
  color: var(--color-green);
  text-decoration: none;
}

.site-nav a.active {
  color: var(--color-green);
}

.site-nav a.active::before {
  content: '* ';
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-green);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.2rem 0.5rem;
  cursor: pointer;
}

/* Override inline btn-outline styles on GitHub nav link */
.site-nav .btn-outline {
  border: 1px solid var(--color-border) !important;
  padding: 0.2rem 0.6rem !important;
  font-size: 0.8rem;
  color: var(--color-text);
  background: transparent;
  border-radius: 0;
}

.site-nav .btn-outline:hover {
  border-color: var(--color-green) !important;
  color: var(--color-green);
}

/* Hero */
.hero {
  background: var(--color-bg);
  color: var(--color-text-bright);
  padding: 3rem 1.5rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.hero .container {
  position: relative;
}

.hero h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.3;
  color: var(--color-green);
}

.hero h1::before {
  content: '# ';
  color: var(--color-border);
}

.hero .subtitle {
  font-size: 0.9rem;
  color: var(--color-text);
  max-width: 700px;
  margin: 0 0 1.5rem;
}

.hero .cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.4rem 1rem;
  border-radius: 0;
  font-weight: 500;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  cursor: pointer;
  border: 1px solid var(--color-border);
  transition: all 0.15s;
}

.btn-primary {
  background: var(--color-green-dim);
  color: var(--color-green);
  border-color: var(--color-green-dim);
}

.btn-primary:hover {
  background: var(--color-green);
  color: var(--color-bg);
  text-decoration: none;
}

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

.btn-outline:hover {
  border-color: var(--color-green);
  color: var(--color-green);
  text-decoration: none;
}

/* Sections */
.section {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.section-title {
  font-size: 1.2rem;
  font-weight: 700;
  text-align: left;
  margin-bottom: 0.25rem;
  color: var(--color-amber);
}

.section-title::before {
  content: '## ';
  color: var(--color-border);
}

.section-subtitle {
  text-align: left;
  color: var(--color-text);
  max-width: none;
  margin: 0 0 2rem;
  font-size: 0.85rem;
}

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: 0;
  padding: 1.25rem;
  transition: border-color 0.15s;
}

.card:hover {
  border-color: var(--color-green);
  box-shadow: none;
  transform: none;
}

.card-icon {
  width: auto;
  height: auto;
  background: none;
  border-radius: 0;
  display: inline;
  margin-bottom: 0;
  font-size: 1rem;
  margin-right: 0.5rem;
}

.card h3 {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  color: var(--color-cyan);
}

.card h3::before {
  content: '> ';
  color: var(--color-border);
}

.card p {
  color: var(--color-text);
  font-size: 0.8rem;
}

.card a {
  display: inline-block;
  margin-top: 0.75rem;
  font-weight: 500;
  font-size: 0.8rem;
  color: var(--color-cyan);
}

/* Principles strip */
.principles {
  background: var(--color-bg-panel);
  color: var(--color-text);
}

.principles .section-title {
  color: var(--color-amber);
}

.principles .section-subtitle {
  color: var(--color-text);
}

.principle-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  counter-reset: principle;
}

.principle-item {
  counter-increment: principle;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 0;
  background: var(--color-bg);
}

.principle-item:hover {
  border-color: var(--color-amber);
}

.principle-item::before {
  content: '[' counter(principle) ']';
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-amber);
  margin-bottom: 0.25rem;
}

.principle-item h4 {
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
  color: var(--color-text-bright);
}

.principle-item p {
  color: var(--color-text);
  font-size: 0.8rem;
}

/* Community CTA */
.community {
  text-align: left;
  background: var(--color-bg);
  color: var(--color-text);
}

.community .section-title {
  color: var(--color-magenta);
}

.community .section-subtitle {
  color: var(--color-text);
}

/* Content pages */
.content-page {
  max-width: 720px;
}

.content-page h2 {
  font-size: 1.1rem;
  color: var(--color-amber);
  margin: 2rem 0 0.5rem;
}

.content-page h2::before {
  content: '## ';
  color: var(--color-border);
}

.content-page h2:first-child {
  margin-top: 0;
}

.content-page h3 {
  font-size: 0.95rem;
  color: var(--color-cyan);
  margin: 1.5rem 0 0.5rem;
}

.content-page h3::before {
  content: '### ';
  color: var(--color-border);
}

.content-page p {
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.content-page ul {
  margin: 0.5rem 0 1rem 1.5rem;
  font-size: 0.85rem;
}

.content-page li {
  margin-bottom: 0.35rem;
}

.content-page li::marker {
  color: var(--color-green);
}

/* Principle detail (principles page) */
.principle-detail {
  border: 1px solid var(--color-border);
  padding: 1.25rem;
  margin-bottom: 1rem;
  background: var(--color-bg-panel);
}

.principle-detail:hover {
  border-color: var(--color-amber);
}

.principle-detail h2 {
  margin-top: 0;
}

.principle-detail h2::before {
  content: none;
}

/* Footer */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.75rem;
}

.site-footer a {
  color: var(--color-text);
}

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

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 0.75rem;
}

/* Scanline effect — subtle */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
  z-index: 9999;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 1.3rem; }
  .hero { padding: 2rem 1.5rem; }
  .section { padding: 2rem 0; }

  .nav-toggle { display: block; }

  .site-nav {
    display: none;
    position: absolute;
    top: 48px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 0.75rem;
  }

  .site-nav.open {
    display: flex;
  }
}