/* === KraftOS Guide — shared stylesheet === */

:root {
  color-scheme: light;
  --paper: #eae3cf;
  --paper-deep: #ddd5bd;
  --card: #fbf8ed;
  --card-soft: #f5efde;
  --ink: #1a1a17;
  --ink-soft: #3d3a32;
  --muted: #6e6a5c;
  --muted-soft: #908b7d;
  --line: #cfc7ab;
  --line-soft: #ddd5bd;
  --accent: #c96442;
  --accent-bright: #d97757;
  --accent-bg: rgba(217, 119, 87, 0.12);
  --accent-ink: #7e3214;
  --warn: #8a5a00;
  --warn-bg: rgba(169, 108, 0, 0.12);
  --danger: #962d1f;
  --danger-bg: rgba(150, 45, 31, 0.08);
  --code-bg: #1a1a17;
  --code-ink: #ede8d8;
  --radius-sm: 6px;
  --radius: 14px;
  --radius-lg: 22px;
  --container: 1180px;
  --container-narrow: 880px;
  --serif: "Source Serif 4", "Tiempos Text", "Iowan Old Style", "Apple Garamond",
    Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo,
    monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.62;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection { background: var(--accent); color: var(--card); }

a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}
a:hover { color: var(--accent-ink); text-decoration: underline; }

code {
  font-family: var(--mono);
  font-size: 0.86em;
  font-weight: 500;
  color: var(--accent-ink);
  background: var(--accent-bg);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  border: 1px solid rgba(217, 119, 87, 0.18);
}

pre {
  margin: 0;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 1.15rem 1.3rem;
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.6;
  letter-spacing: -0.005em;
}
pre code {
  background: transparent;
  border: 0;
  color: inherit;
  padding: 0;
  font-weight: 400;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.022em;
  color: var(--ink);
  line-height: 1.1;
}
h1 {
  font-size: clamp(2.4rem, 5.4vw, 4.4rem);
  font-weight: 500;
  letter-spacing: -0.032em;
  line-height: 1.04;
}
h2 {
  font-size: clamp(1.85rem, 3vw, 2.6rem);
  letter-spacing: -0.026em;
}
h3 {
  font-size: 1.1rem;
  font-weight: 600;
  font-family: var(--sans);
  letter-spacing: -0.005em;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 30;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: var(--card);
  padding: 0.6rem 0.9rem;
  font-size: 0.88rem;
}
.skip-link:focus { top: 1rem; }

/* === Topbar === */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(234, 227, 207, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(var(--container), calc(100% - 2.4rem));
  margin: 0 auto;
  padding: 1.05rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
}
.brand:hover { text-decoration: none; color: inherit; }
.brand-mark {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-text strong {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.brand-text span {
  font-size: 0.76rem;
  color: var(--muted);
  margin-top: 0.18rem;
}

.nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.1rem;
}
.nav a {
  position: relative;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.55rem 0.95rem;
  border-radius: 8px;
  transition: background 0.15s ease, color 0.15s ease;
}
.nav a:hover {
  background: var(--card-soft);
  color: var(--ink);
  text-decoration: none;
}
.nav a.active {
  color: var(--accent-ink);
  font-weight: 600;
}
.nav a.active::after {
  content: "";
  position: absolute;
  left: 0.95rem;
  right: 0.95rem;
  bottom: 0.18rem;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* === Section / Page wrappers === */
main {
  width: min(var(--container), calc(100% - 2.4rem));
  margin: 0 auto;
  padding-bottom: 5rem;
}
.narrow {
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
}

/* === Hero (home) === */
.hero {
  width: min(var(--container), calc(100% - 2.4rem));
  margin: 0 auto;
  padding: 6rem 0 4rem;
  text-align: center;
}
.hero .eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.hero h1 {
  max-width: 18ch;
  margin: 0 auto;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
  font-weight: 500;
}
.hero .lead {
  max-width: 38rem;
  margin: 1.6rem auto 0;
  font-size: 1.15rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* === Install command card === */
.install-card {
  max-width: 44rem;
  margin: 3rem auto 0;
  background: var(--ink);
  color: var(--code-ink);
  border-radius: var(--radius);
  padding: 1.55rem 1.7rem;
  text-align: left;
  box-shadow: 0 12px 32px rgba(26, 26, 23, 0.18),
              0 2px 6px rgba(26, 26, 23, 0.08);
}
.install-card .install-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(237, 232, 216, 0.55);
}
.install-card .install-meta .dots {
  display: inline-flex;
  gap: 0.32rem;
}
.install-card .install-meta .dots span {
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 50%;
  background: rgba(237, 232, 216, 0.22);
}
.install-card .install-meta .dots span:first-child { background: #e26d4f; }
.install-card .install-meta .dots span:nth-child(2) { background: #d4b550; }
.install-card .install-meta .dots span:nth-child(3) { background: #6ec07a; }
.install-card pre {
  background: transparent;
  padding: 0;
  font-size: 0.98rem;
  line-height: 1.55;
}
.install-card .install-prompt {
  color: var(--accent-bright);
  user-select: none;
  margin-right: 0.55rem;
}
.copy-btn {
  margin-top: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(237, 232, 216, 0.08);
  color: var(--code-ink);
  border: 1px solid rgba(237, 232, 216, 0.18);
  border-radius: 8px;
  padding: 0.5rem 0.9rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.copy-btn:hover {
  background: rgba(237, 232, 216, 0.15);
  border-color: rgba(237, 232, 216, 0.3);
}
.copy-btn.copied {
  background: rgba(110, 192, 122, 0.15);
  border-color: rgba(110, 192, 122, 0.4);
  color: #b5e8be;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2.2rem;
  flex-wrap: wrap;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.78rem 1.45rem;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: var(--ink);
  color: var(--card);
}
.btn-primary:hover { background: #2a2a25; color: var(--card); }
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-secondary:hover { background: var(--card-soft); border-color: var(--ink-soft); }
.btn-accent {
  background: var(--accent);
  color: white;
}
.btn-accent:hover { background: var(--accent-ink); color: white; }
.btn-arrow::after { content: "→"; font-weight: 400; transition: transform 0.15s ease; }
.btn-arrow:hover::after { transform: translateX(3px); }

/* === Feature grid (home) === */
.features {
  width: min(var(--container), calc(100% - 2.4rem));
  margin: 4rem auto 0;
}
.features-header {
  text-align: center;
  margin-bottom: 3rem;
}
.features-header .kicker {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.features-header h2 {
  margin-top: 0.6rem;
  max-width: 22ch;
  margin-left: auto;
  margin-right: auto;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}
.feature {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.feature:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.feature .icon {
  font-size: 1.8rem;
  line-height: 1;
  margin-bottom: 1rem;
  display: inline-block;
}
.feature h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  font-family: var(--serif);
  font-weight: 600;
  color: var(--ink);
}
.feature p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* === Steps panel (home) — clickable cards to subpages === */
.path-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.8rem;
  width: min(var(--container), calc(100% - 2.4rem));
  margin: 5rem auto 0;
}
.path-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 1.5rem 1.3rem 1.6rem;
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
  position: relative;
}
.path-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  text-decoration: none;
  color: var(--ink);
}
.path-card .num {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.01em;
}
.path-card .label {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
}
.path-card .desc {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
  margin-top: 0.15rem;
}
.path-card .arrow {
  position: absolute;
  right: 1.1rem;
  bottom: 1.1rem;
  color: var(--muted);
  font-size: 1.1rem;
  transition: transform 0.15s ease, color 0.15s ease;
}
.path-card:hover .arrow { transform: translateX(3px); color: var(--accent); }

/* === Subpage hero / header === */
.page-header {
  width: min(var(--container), calc(100% - 2.4rem));
  margin: 0 auto;
  padding: 4rem 0 2.5rem;
}
.page-header .crumbs {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.page-header h1 {
  max-width: 22ch;
  font-size: clamp(2rem, 4.4vw, 3.5rem);
}
.page-header .lead {
  max-width: 46rem;
  margin: 1.4rem 0 0;
  font-size: 1.08rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* === Section helpers (in subpages) === */
section { padding: 2.4rem 0; }
section.first { padding-top: 0; }
section + section { border-top: 1px solid var(--line-soft); padding-top: 3rem; }

.section-title {
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 600;
  margin-bottom: 1.3rem;
  letter-spacing: -0.018em;
}

/* === Split layout === */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.2rem;
}

/* === Steps (numbered) === */
.steps {
  display: grid;
  gap: 0;
  counter-reset: guide-step;
}
.step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.4rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.step:last-child { border-bottom: 0; }
.step::before {
  counter-increment: guide-step;
  content: counter(guide-step, decimal-leading-zero);
  display: block;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.7rem;
  color: var(--accent);
  line-height: 1;
  padding-top: 0.05rem;
  min-width: 2.6rem;
  letter-spacing: -0.01em;
}
.step h3 { margin-bottom: 0.45rem; font-size: 1.08rem; }
.step p { margin: 0; color: var(--ink-soft); line-height: 1.65; }
.step ul.plain-list { margin-top: 0.7rem; }

/* === Callout === */
.callout {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--card);
  padding: 1.2rem 1.35rem;
  position: relative;
}
.callout::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.3rem;
  bottom: 1.3rem;
  width: 3px;
  background: var(--ink-soft);
  border-radius: 0 2px 2px 0;
}
.callout.warning::before { background: var(--warn); }
.callout.danger::before { background: var(--danger); }
.callout > strong {
  display: block;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--ink);
  margin-bottom: 0.45rem;
}
.callout p,
.callout ul {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.62;
}
.callout p + p,
.callout p + ul { margin-top: 0.45rem; }

.plain-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
  font-size: 0.94rem;
}
.plain-list li { margin-bottom: 0.3rem; }
.plain-list li::marker { color: var(--muted-soft); }

/* === Cookbook recipes === */
.cookbook {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.recipe {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--card);
  padding: 1.5rem 1.4rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.recipe:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.recipe h3 {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}
.recipe > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.55;
}
.recipe-label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-soft);
  margin-bottom: 0.35rem;
}
.recipe-msg { margin-top: 1.1rem; }
.recipe-msg pre {
  font-size: 0.8rem;
  padding: 0.95rem 1.05rem;
}
.recipe-out {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--line);
}
.recipe-out p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.55;
}
.recipe-out p::before {
  content: "→ ";
  color: var(--accent);
  font-weight: 700;
  margin-right: 0.15rem;
}

/* === Routing table === */
.routing-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--card);
  overflow: hidden;
}
.routing-table th,
.routing-table td {
  border-bottom: 1px solid var(--line-soft);
  padding: 1rem 1.15rem;
  text-align: left;
  vertical-align: top;
  font-size: 0.93rem;
  line-height: 1.55;
}
.routing-table th {
  background: var(--card-soft);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.routing-table td { color: var(--ink-soft); }
.routing-table tr:last-child th,
.routing-table tr:last-child td { border-bottom: 0; }

/* === Map (svg) === */
.map {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--card);
  padding: 1.6rem;
}
.map svg { display: block; width: 100%; height: auto; }

/* === FAQ === */
.faq {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-soft);
}
details {
  border-bottom: 1px solid var(--line-soft);
  padding: 1.25rem 0;
}
summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  font-size: 1.02rem;
  list-style: none;
  position: relative;
  padding-right: 2rem;
  transition: color 0.15s ease;
}
summary:hover { color: var(--accent); }
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-weight: 300;
  font-size: 1.4rem;
  line-height: 1;
  transition: transform 0.2s ease, color 0.15s ease;
}
details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
  color: var(--accent);
}
details p {
  margin: 0.75rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* === Page navigation (prev/next at bottom of subpage) === */
.page-nav {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}
.page-nav a {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 1.1rem 1.35rem;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.page-nav a:hover {
  border-color: var(--accent);
  text-decoration: none;
  color: var(--ink);
}
.page-nav .nav-meta {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.page-nav .nav-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.page-nav .next { text-align: right; align-items: flex-end; }
.page-nav a.empty {
  pointer-events: none;
  background: transparent;
  border-color: transparent;
}

/* === Footer === */
.footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 2.2rem 0 2.6rem;
  font-size: 0.86rem;
  margin-top: 3rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  width: min(var(--container), calc(100% - 2.4rem));
  margin: 0 auto;
}
.footer-inner .meta {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--muted-soft);
}

/* === Pulse dot (eyebrow indicator on subpages) === */
.pulse {
  position: relative;
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--accent-bright);
  vertical-align: middle;
  margin-right: 0.4rem;
}
.pulse::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--accent-bright);
  opacity: 0.3;
  animation: pulse-ring 2.2s ease-out infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 0.5; }
  100% { transform: scale(2.4); opacity: 0; }
}

/* === Step with screenshot (group page) === */
.step-figure {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
  margin-top: 1.2rem;
  max-width: 760px;
}
.step-figure figure {
  margin: 0;
  background: #0e0e0c;
  border: 1px solid #2a2820;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(26, 26, 23, 0.16),
              0 2px 6px rgba(26, 26, 23, 0.08);
  display: flex;
  flex-direction: column;
}
.step-figure figure .shot {
  aspect-ratio: 4 / 3;
  background: #0e0e0c;
  overflow: hidden;
  position: relative;
}
.step-figure figure .shot img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--pos, center);
  display: block;
  transition: transform 0.4s ease;
}
.step-figure figure:hover .shot img {
  transform: scale(1.02);
}
.step-figure figcaption {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(237, 232, 216, 0.7);
  padding: 0.65rem 0.95rem 0.8rem;
  border-top: 1px solid #2a2820;
  text-transform: uppercase;
}

/* === Responsive === */
@media (max-width: 980px) {
  .features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cookbook { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .path-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
  }
  .nav {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.15rem;
    -webkit-overflow-scrolling: touch;
  }
  .nav a { flex-shrink: 0; padding: 0.5rem 0.7rem; }
  .nav a.active::after { left: 0.7rem; right: 0.7rem; }
  .hero { padding: 3.5rem 0 2.5rem; }
  .install-card { padding: 1.2rem 1rem; }
  .install-card pre { font-size: 0.82rem; }
  .features { margin-top: 2.5rem; }
  .features-grid { grid-template-columns: 1fr; }
  .cookbook { grid-template-columns: 1fr; }
  .path-grid { grid-template-columns: 1fr; }
  .page-nav { grid-template-columns: 1fr; }
  .page-nav .next { text-align: left; align-items: flex-start; }
}

@media (max-width: 480px) {
  body { font-size: 15.5px; }
  .step { grid-template-columns: 1fr; gap: 0.5rem; }
  .step::before { font-size: 1.4rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}