/* Showcase page theme: matches charles-forsyth.github.io (Forest Ranger Tech palette) */
:root {
  --bg-deep: #0a110d;
  --bg-surface: #132219;
  --bg-surface-alt: #172a1f;
  --primary: #3c6e47;
  --primary-glow: rgba(60, 110, 71, 0.4);
  --accent: #d4b886;
  --accent-glow: rgba(212, 184, 134, 0.3);
  --text-main: #e4ebe6;
  --text-muted: #8a9e91;
  --border-color: #2a4232;
  --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-tech: 'Courier New', Courier, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-deep);
  color: var(--text-main);
  margin: 0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  color: var(--text-main);
  letter-spacing: 0.5px;
  line-height: 1.25;
}

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

a:hover {
  color: var(--text-main);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

code {
  font-family: var(--font-tech);
  color: var(--accent);
  font-size: 0.95em;
  overflow-wrap: anywhere;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--bg-deep);
  padding: 8px 14px;
  z-index: 100;
}

.skip-link:focus {
  left: 10px;
  top: 10px;
}

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 17, 13, 0.92);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(6px);
}

.topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-tech);
  font-size: 0.95rem;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand {
  color: var(--text-main);
  text-decoration: none;
  font-weight: bold;
  white-space: nowrap;
}

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

.crumb {
  color: var(--text-muted);
  white-space: nowrap;
}

.crumb::before {
  content: '/';
  margin-right: 12px;
  color: var(--border-color);
}

.topbar-project {
  color: var(--accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Hero */
.hero {
  background:
    linear-gradient(
      90deg,
      rgba(14, 26, 20, 0.95) 0%,
      rgba(14, 26, 20, 0.85) 50%,
      rgba(14, 26, 20, 0.7) 100%
    ),
    url('https://charles-forsyth.github.io/assets/hero-ai-network.jpg') center /
      cover no-repeat,
    linear-gradient(180deg, var(--bg-deep), var(--bg-surface));
  border-bottom: 1px solid var(--border-color);
  padding: 90px 20px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, var(--accent) 1px, transparent 1px) 0 0 / 50px 50px,
    linear-gradient(var(--accent) 1px, transparent 1px) 0 0 / 50px 50px;
  opacity: 0.04;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 50px;
  align-items: center;
}

.kicker {
  font-family: var(--font-tech);
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.9rem;
  margin: 0 0 10px;
}

.hero h1 {
  font-size: 3.4rem;
  margin: 0 0 12px;
  text-shadow: 0 0 20px var(--primary-glow);
}

.tagline {
  font-family: var(--font-tech);
  color: var(--accent);
  font-size: 1.3rem;
  margin: 0 0 20px;
}

.pitch {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin: 0 0 14px;
}

.pitch strong {
  color: var(--text-main);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.meta-row li {
  font-family: var(--font-tech);
  font-size: 0.82rem;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  background: rgba(19, 34, 25, 0.8);
  padding: 3px 12px;
  border-radius: 20px;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: bold;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.85rem;
  transition: all 0.3s ease;
  font-family: var(--font-tech);
}

.btn-primary {
  background-color: var(--accent);
  color: var(--bg-deep);
  border: 1px solid var(--accent);
  box-shadow: 0 0 15px var(--accent-glow);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--accent);
  box-shadow: 0 0 25px var(--accent-glow);
}

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

.btn-secondary:hover {
  background-color: var(--accent);
  color: var(--bg-deep);
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-ghost {
  background-color: var(--primary);
  border: 1px solid var(--primary);
  color: var(--text-main);
  box-shadow: 0 0 15px var(--primary-glow);
}

.btn-ghost:hover {
  background-color: transparent;
  color: var(--text-main);
}

/* Terminal block */
.terminal {
  background: #07100b;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  min-width: 0;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  font-family: var(--font-tech);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-color);
}

.dot-a {
  background: var(--accent);
}

.dot-b {
  background: var(--primary);
}

.terminal-title {
  margin-left: 8px;
}

.terminal pre {
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

/* Sections */
.section {
  padding: 80px 20px;
}

.section-light {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-tech);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
  margin: 0 0 6px;
}

.section h2 {
  font-size: 2rem;
  margin: 0 0 14px;
}

.section-lead {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 760px;
  margin: 0 0 40px;
}

/* Feature cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.card {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 24px;
  transition:
    transform 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
  min-width: 0;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 18px var(--accent-glow);
}

.card-icon {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 14px;
}

.card h3 {
  font-size: 1.15rem;
  margin: 0 0 8px;
}

.card p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.97rem;
}

.key {
  display: inline-block;
  font-family: var(--font-tech);
  font-size: 0.75rem;
  color: var(--accent);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  padding: 0 6px;
  margin-left: 6px;
  vertical-align: middle;
}

.note {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 26px;
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 14px;
}

/* Architecture diagram */
.arch {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 40px minmax(0, 1.25fr) 40px minmax(0, 1.2fr);
  align-items: stretch;
  gap: 0;
}

.arch-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.arch-box {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 14px 16px;
  min-width: 0;
}

.arch-box.hub {
  border-color: var(--primary);
  box-shadow: 0 0 18px var(--primary-glow);
  flex-grow: 1;
}

.arch-box h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-family: var(--font-tech);
  color: var(--accent);
}

.arch-box p,
.arch-box li {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.arch-box ul {
  margin: 0;
  padding-left: 18px;
}

.arch-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.3rem;
}

.arch-caption {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 24px;
}

/* Principles */
.principles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
}

.principles li {
  background: var(--bg-surface-alt);
  border-left: 4px solid var(--accent);
  border-radius: 0 6px 6px 0;
  padding: 16px 20px;
  color: var(--text-muted);
  min-width: 0;
}

.principles strong {
  display: block;
  color: var(--text-main);
  margin-bottom: 4px;
}

/* Steps (approval flow) */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  list-style: none;
  padding: 0;
  margin: 0 0 30px;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 16px 16px 16px 52px;
  position: relative;
  color: var(--text-muted);
  font-size: 0.95rem;
  min-width: 0;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 14px;
  top: 14px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-tech);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.steps strong {
  color: var(--text-main);
  display: block;
}

/* Code blocks */
.code-block {
  position: relative;
  margin: 0 0 22px;
  min-width: 0;
}

.code-label {
  font-family: var(--font-tech);
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0 0 6px;
}

pre {
  background: #07100b;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 16px 18px;
  margin: 0;
  overflow-x: auto;
  max-width: 100%;
  font-size: 0.9rem;
  line-height: 1.55;
}

pre code {
  color: var(--text-main);
  overflow-wrap: normal;
  white-space: pre;
}

.c {
  color: var(--text-muted);
}

.p {
  color: var(--accent);
  user-select: none;
}

.copy-btn {
  position: absolute;
  top: 30px;
  right: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  border-radius: 4px;
  padding: 4px 9px;
  font-family: var(--font-tech);
  font-size: 0.78rem;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.copy-btn:hover,
.copy-btn:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

.qs-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 30px;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
}

th,
td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
}

th {
  font-family: var(--font-tech);
  color: var(--accent);
  background: var(--bg-surface-alt);
  font-weight: normal;
}

td {
  color: var(--text-muted);
}

tr:last-child td {
  border-bottom: 0;
}

/* Links grid */
.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 15px;
}

.link-grid a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-main);
  text-decoration: none;
  font-family: var(--font-tech);
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.link-grid a i {
  color: var(--primary);
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
  transition: color 0.3s ease;
}

.link-grid a:hover,
.link-grid a:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

.link-grid a:hover i {
  color: var(--accent);
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 20px;
  text-align: center;
  font-family: var(--font-tech);
  color: var(--text-muted);
  font-size: 0.9rem;
}

footer p {
  margin: 6px 0;
}

/* Workstation mock (CSS only, placeholder content) */
.mock {
  background: #0d1712;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.55);
  overflow: hidden;
  font-size: 0.8rem;
  min-width: 0;
}

.mock-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
}

.mock-logo {
  font-family: var(--font-tech);
  color: var(--accent);
  font-weight: bold;
}

.mock-tab {
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: 3px;
}

.mock-tab.on {
  color: var(--text-main);
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
}

.mock-search {
  margin-left: auto;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  padding: 1px 8px;
  font-family: var(--font-tech);
  white-space: nowrap;
}

.mock-status {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #6fbf7f;
  flex-shrink: 0;
}

.mock-body {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr 0.8fr;
  min-height: 250px;
}

.mock-list {
  border-right: 1px solid var(--border-color);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.mock-filters {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 2px;
}

.mock-filters span {
  font-family: var(--font-tech);
  font-size: 0.68rem;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0 6px;
}

.mock-filters span.on {
  color: var(--bg-deep);
  background: var(--accent);
  border-color: var(--accent);
}

.mock-row {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--primary);
  border-radius: 4px;
  padding: 5px 7px;
  min-width: 0;
}

.mock-row.sel {
  border-left-color: var(--accent);
}

.mock-row b {
  display: block;
  color: var(--text-main);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mock-row span {
  display: block;
  color: var(--text-muted);
  font-size: 0.7rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mock-read {
  padding: 10px 12px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.mock-read .subj {
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.9rem;
}

.bar {
  height: 6px;
  border-radius: 3px;
  background: var(--border-color);
}

.w90 {
  width: 90%;
}

.w75 {
  width: 75%;
}

.w60 {
  width: 60%;
}

.w40 {
  width: 40%;
}

.mock-draft {
  margin-top: auto;
  border: 1px dashed var(--accent);
  border-radius: 4px;
  padding: 6px 8px;
  color: var(--text-muted);
  font-size: 0.72rem;
}

.mock-draft b {
  color: var(--accent);
  font-family: var(--font-tech);
  font-weight: normal;
}

.mock-actions {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.mock-actions span {
  font-family: var(--font-tech);
  font-size: 0.68rem;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  padding: 1px 6px;
  color: var(--text-muted);
}

.mock-actions span.go {
  border-color: var(--accent);
  color: var(--accent);
}

.mock-rail {
  border-left: 1px solid var(--border-color);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.mock-rail .lbl {
  font-family: var(--font-tech);
  font-size: 0.66rem;
  color: var(--accent);
  text-transform: uppercase;
}

.chip {
  display: block;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1px 7px;
  font-size: 0.68rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bucket {
  margin-top: auto;
  border: 1px dashed var(--primary);
  border-radius: 4px;
  padding: 6px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.68rem;
}

.mock-caption {
  font-family: var(--font-tech);
  color: var(--text-muted);
  font-size: 0.78rem;
  text-align: center;
  margin: 10px 0 0;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .qs-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .arch {
    grid-template-columns: minmax(0, 1fr);
  }
  .arch-arrow {
    padding: 6px 0;
  }
  .arch-arrow i {
    transform: rotate(90deg);
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 56px 16px 56px;
  }
  .hero h1 {
    font-size: 2.3rem;
  }
  .tagline {
    font-size: 1.05rem;
  }
  .section {
    padding: 56px 16px;
  }
  .section h2 {
    font-size: 1.6rem;
  }
  .crumb {
    display: none;
  }
  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }
  .mock-body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  }
  .mock-rail,
  .mock-search {
    display: none;
  }
  .card-grid,
  .principles,
  .link-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
  .card:hover,
  .link-grid a:hover {
    transform: none;
  }
}