:root {
  --bg: #090a0c;
  --surface: #101216;
  --surface-raised: #14171d;
  --border: #1c2027;
  --border-hover: #2a313d;
  
  --text-primary: #f0f2f5;
  --text-secondary: #9aa2b1;
  --text-tertiary: #5d6778;
  
  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, 0.1);
  --accent-text: #60a5fa;

  --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Geist Mono', 'JetBrains Mono', ui-monospace, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(9, 10, 12, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-logo-icon {
  flex-shrink: 0;
}

.brand-title {
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  text-decoration: none;
  font-size: 13.5px;
  color: var(--text-secondary);
  transition: color 0.15s;
}

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

.nav-external {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-primary) !important;
  font-size: 13px;
  font-weight: 500;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 5px;
  transition: border-color 0.15s, background 0.15s;
}

.nav-external:hover {
  border-color: var(--border-hover);
  background: var(--surface-raised);
}

/* Sections */
.section {
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
}

.intro-section {
  padding: 76px 0 60px;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 860px) {
  .intro-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
  }
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-tertiary);
  display: block;
  margin-bottom: 12px;
}

.headline {
  font-size: clamp(26px, 3.8vw, 38px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.8px;
  color: var(--text-primary);
}

.intro-copy p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Section Header / Label */
.section-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 32px;
}

.section-label span:first-child {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--text-primary);
}

.label-desc {
  font-size: 13.5px;
  color: var(--text-tertiary);
}

/* Featured Projects Cards (Tight, informative Oxide style) */
.featured-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 30px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  transition: border-color 0.2s, background-color 0.2s;
}

.project-card:hover {
  border-color: var(--border-hover);
  background: var(--surface-raised);
}

@media (min-width: 860px) {
  .project-card {
    grid-template-columns: 1fr 240px;
    gap: 40px;
  }
}

.project-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.project-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent-text);
  background: var(--accent-soft);
  padding: 2px 7px;
  border-radius: 4px;
}

.project-name a {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--text-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.project-name a:hover {
  color: #fff;
}

.arrow {
  color: var(--text-tertiary);
  transition: transform 0.15s, color 0.15s;
}

.project-name a:hover .arrow {
  transform: translate(2px, -2px);
  color: var(--text-primary);
}

.project-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
}

/* Technical Specification Row inside the Card */
.tech-spec-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

@media (min-width: 600px) {
  .tech-spec-row {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.spec-value {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.45;
}

.spec-value a {
  color: var(--accent-text);
  text-decoration: none;
}

/* Aside Column */
.card-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

@media (min-width: 860px) {
  .card-aside {
    border-top: none;
    padding-top: 0;
    border-left: 1px solid var(--border);
    padding-left: 28px;
    justify-content: center;
  }
}

.aside-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.aside-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
}

.aside-val {
  font-size: 13px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.aside-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.aside-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  text-decoration: none;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 4px;
  transition: all 0.15s;
}

.aside-links a:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

/* Index / Table Section */
.index-section {
  border-bottom: none;
  padding-bottom: 96px;
}

.filter-bar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

@media (min-width: 768px) {
  .filter-bar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.search-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 6px;
  width: 100%;
  max-width: 320px;
  transition: border-color 0.15s;
}

.search-wrap:focus-within {
  border-color: var(--border-hover);
}

.search-icon {
  color: var(--text-tertiary);
}

.search-wrap input {
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-primary);
  width: 100%;
}

.pills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pill {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-tertiary);
  font-family: var(--font-sans);
  font-size: 12.5px;
  padding: 4px 12px;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.15s;
}

.pill:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.pill.active {
  background: var(--surface-raised);
  border-color: var(--border-hover);
  color: var(--text-primary);
  font-weight: 500;
}

/* Repository Table Listing */
.table-container {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
}

.table-row {
  display: grid;
  grid-template-columns: 1fr;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: background-color 0.15s;
  gap: 6px;
}

.table-row:last-child {
  border-bottom: none;
}

.table-row:hover {
  background: var(--surface-raised);
}

@media (min-width: 768px) {
  .table-row {
    grid-template-columns: 240px 1fr 140px 24px;
    align-items: center;
    gap: 20px;
  }
}

.row-name {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.table-row:hover .row-name {
  color: var(--accent-text);
}

.row-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-lang {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.row-arrow {
  color: var(--text-tertiary);
  transition: transform 0.15s, color 0.15s;
}

.table-row:hover .row-arrow {
  transform: translateX(3px);
  color: var(--text-primary);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  background: var(--bg);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-tertiary);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand {
  font-weight: 500;
  color: var(--text-secondary);
}

.footer-right a {
  color: var(--text-secondary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12px;
}

.footer-right a:hover {
  color: var(--text-primary);
}