:root {
  --bg-color: #f2efe3;
  --page-line: #d7d0bb;
  --window-bg: #fffdf6;
  --window-surface: #fffef9;
  --header-bg: #e7dec2;
  --header-border: #a79b78;
  --accent-blue: #204a87;
  --accent-olive: #6b7b3a;
  --text-main: #222018;
  --text-muted: #5e5a4d;
  --border-light: #f9f6ea;
  --border-dark: #a59b82;
  --shadow-sm: 1px 1px 0 rgba(0, 0, 0, 0.08);
  --shadow-window: 2px 2px 0 rgba(0, 0, 0, 0.14);
  --radius-window: 0;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Verdana, Geneva, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-main);
  background:
    repeating-linear-gradient(
      0deg,
      transparent 0,
      transparent 31px,
      rgba(215, 208, 187, 0.35) 32px
    ),
    var(--bg-color);
}

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

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 18px auto 28px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.desktop-sidebar {
  position: sticky;
  top: 16px;
  display: grid;
  gap: 14px;
}

.brand-panel,
.desktop-icons,
.content-card {
  background: var(--window-bg);
  border: 1px solid var(--border-dark);
  box-shadow: var(--shadow-window);
}

.brand-panel {
  padding: 16px;
}

.brand-kicker {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-olive);
  font-family: "Courier New", Courier, monospace;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.brand-panel h1 {
  margin: 0 0 10px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 28px;
  line-height: 1.05;
  font-weight: 700;
}

.brand-panel p {
  margin: 0;
  color: var(--text-muted);
}

.desktop-icons {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 8px;
}

.desktop-icon {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 10px;
  align-items: center;
  min-height: 42px;
  padding: 8px;
  text-decoration: none;
  color: var(--text-main);
  border: 1px solid transparent;
}

.desktop-icon:hover,
.desktop-icon:focus-visible {
  background: #f5f1e3;
  border-color: var(--header-border);
  outline: none;
}

.desktop-icon img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.desktop-icon span {
  font-size: 13px;
  font-weight: 700;
}

.workspace {
  display: grid;
  gap: 20px;
}

.content-card {
  overflow: hidden;
}

.card-header {
  padding: 10px 14px;
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
}

.card-header h2,
.section-label {
  margin: 0;
  color: #3b372b;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card-body {
  padding: 18px;
  background: var(--window-surface);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 24px;
  align-items: start;
}

.hero-copy h2 {
  margin: 10px 0 16px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 0.96;
  font-weight: 700;
}

.hero-copy p {
  margin: 0 0 14px;
  max-width: 62ch;
  color: var(--text-muted);
}

.hero-copy ul {
  margin: 18px 0 0 18px;
  padding: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.hero-button {
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid var(--header-border);
  text-decoration: none;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.hero-button.primary {
  color: #fff;
  background: var(--accent-blue);
  border-color: #17365f;
}

.hero-button.secondary {
  color: var(--text-main);
  background: #f3edd7;
}

.hero-video video {
  width: 100%;
  display: block;
  border: 1px solid var(--border-dark);
  background: #000;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.prose p:first-child {
  margin-top: 0;
}

.prose h3 {
  margin-bottom: 8px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  line-height: 1.2;
}

.prose ul,
.prose ol {
  padding-left: 20px;
}

.docs-container .card-body {
  max-width: 920px;
}

.docs-container .prose img {
  margin: 20px 0;
  max-width: 100%;
  width: auto;
  height: auto;
  border: 1px solid var(--border-dark);
  background: #fff;
}

.docs-container hr {
  margin: 42px 0;
  border: 0;
  border-top: 1px dashed var(--border-dark);
}

.arch-image {
  width: 100%;
  display: block;
  border: 1px solid var(--border-dark);
  background: #fff;
}

.download-buttons {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

/* Installer two-column layout */
.installer-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-top: 10px;
}
.installer-left {
}
.installer-right {
  display: flex;
  align-items: flex-start;
  min-width: 0;
}
.installer-preview {
  width: 100%;
  background: #fffdf8;
  border: 1px solid var(--header-border);
  padding: 12px;
  box-shadow: var(--shadow-sm);
}
.installer-mockup-header {
  font-weight: 800;
  color: var(--text-main);
  font-size: 13px;
  margin-bottom: 8px;
}
.shell-snippets.compact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.shell-snippet.small {
  padding: 8px;
}

.download-buttons .button {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 8px 12px;
  color: var(--text-main);
  text-decoration: none;
  font-weight: 700;
  background: #f5f1e3;
  border: 1px solid var(--header-border);
  box-shadow: var(--shadow-sm);
}

.download-buttons .button:hover,
.download-buttons .button:focus-visible {
  background: #ede4c8;
  outline: none;
}

.download-buttons .button img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.shell-snippets {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.shell-snippet {
  padding: 12px;
  background: #fbf7ea;
  border: 1px solid var(--header-border);
  box-shadow: var(--shadow-sm);
}

.shell-snippet-title {
  margin-bottom: 8px;
  font-weight: 700;
  color: var(--text-main);
}

.shell-snippet pre {
  margin: 0;
}

pre {
  margin: 14px 0;
  padding: 12px 14px;
  overflow-x: auto;
  border: 1px solid var(--border-dark);
  background: #f5f2e8;
  font-family: "Courier New", Courier, monospace;
  font-size: 13px;
  line-height: 1.55;
}

code {
  font-family: "Courier New", Courier, monospace;
}

footer {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto 26px;
  padding-top: 8px;
  border-top: 1px solid var(--page-line);
  text-align: center;
  color: var(--text-muted);
}

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

@media (max-width: 980px) {
  .page-shell {
    grid-template-columns: 1fr;
  }

  .desktop-sidebar {
    position: static;
  }

  .content-grid,
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max-width));
    margin: 10px auto 20px;
    gap: 12px;
  }

  .brand-panel,
  .card-body {
    padding: 14px;
  }

  .card-header {
    padding: 9px 12px;
  }

  .hero-copy h2 {
    font-size: 38px;
  }
}