:root {
  color-scheme: light;
  --bg: #f8f7f3;
  --bg-soft: #f1efe8;
  --text: #20211f;
  --muted: #6f746d;
  --accent: #6fa17a;
  --accent-strong: #4f7f5d;
  --panel: #ffffff;
  --border: #e4e1da;
  --dark-bg: #111412;
  --dark-panel: #181c19;
  --dark-text: #f4f1ea;
  --dark-muted: #a8ada4;
  --dark-border: #2a302b;
  --dark-accent: #7eb88b;
  --mono: "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --sans: Inter, Geist, Satoshi, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --shadow: 0 24px 70px rgba(32, 33, 31, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
h1,
h2,
h3 {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.container-wide {
  width: min(1320px, calc(100% - 32px));
  margin: 0 auto;
}

.section-pad {
  padding: 112px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 32px));
  margin: 14px auto 0;
  padding: 10px 12px 10px 14px;
  background: rgba(248, 247, 243, 0.86);
  border: 1px solid rgba(228, 225, 218, 0.86);
  border-radius: 8px;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  color: var(--text);
  font-size: 0.94rem;
  line-height: 1.1;
}

.brand strong {
  display: block;
  font-weight: 720;
  letter-spacing: 0;
}

.brand span span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.brand-mark {
  display: block;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
}

.brand-mark.small {
  width: 30px;
  height: 30px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 12px;
  border-radius: 7px;
}

.site-nav a:hover {
  color: var(--text);
  background: var(--panel);
}

.site-nav .nav-cta {
  margin-left: 4px;
  color: var(--dark-text);
  background: var(--text);
}

.site-nav .nav-cta:hover {
  color: var(--dark-text);
  background: #30332f;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 38px;
  padding: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 7px;
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 1px;
  margin: 5px auto;
  background: var(--text);
}

.hero {
  padding-top: 64px;
  padding-bottom: 88px;
  overflow: hidden;
}

.hero-inner {
  max-width: 920px;
  text-align: center;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--dark-accent);
}

h1 {
  max-width: 980px;
  margin: 0 auto;
  color: var(--text);
  font-size: clamp(3.2rem, 6vw, 5.7rem);
  font-weight: 780;
  letter-spacing: 0;
  line-height: 0.98;
  text-wrap: balance;
}

h2 {
  color: var(--text);
  font-size: clamp(2rem, 4vw, 4.3rem);
  font-weight: 760;
  letter-spacing: 0;
  line-height: 1;
}

h3 {
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 720;
  line-height: 1.24;
}

.hero-copy {
  max-width: 730px;
  margin: 28px auto 0;
  color: #454842;
  font-size: clamp(1.05rem, 2vw, 1.34rem);
  line-height: 1.5;
}

.hero-support {
  max-width: 780px;
  margin: 14px auto 0;
  color: var(--muted);
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 8px;
  font-size: 0.94rem;
  font-weight: 680;
  line-height: 1;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: var(--dark-text);
  background: var(--text);
  border: 1px solid var(--text);
}

.button-primary:hover {
  background: #30332f;
}

.button-secondary {
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
}

.button-secondary:hover {
  border-color: #cfcac0;
}

.early-note {
  margin-top: 12px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.hero-demo-frame {
  max-width: 1120px;
  margin: 48px auto 0;
  overflow: hidden;
  background: var(--dark-bg);
  border: 1px solid var(--dark-border);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.hero-demo {
  display: block;
  width: 100%;
  aspect-ratio: 2372 / 2192;
  background: var(--dark-bg);
  object-fit: contain;
}

.app-window {
  max-width: 100%;
  margin-top: 48px;
  overflow: hidden;
  background: var(--dark-bg);
  border: 1px solid var(--dark-border);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.window-bar {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  align-items: center;
  gap: 18px;
  min-height: 54px;
  padding: 0 18px;
  background: #151916;
  border-bottom: 1px solid var(--dark-border);
}

.traffic {
  display: flex;
  gap: 7px;
}

.traffic span {
  display: block;
  width: 11px;
  height: 11px;
  background: #3a403b;
  border-radius: 50%;
}

.traffic span:first-child {
  background: #8b5752;
}

.traffic span:nth-child(2) {
  background: #8b7952;
}

.traffic span:nth-child(3) {
  background: #587c61;
}

.window-path {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  color: var(--dark-muted);
  font-family: var(--mono);
  font-size: 0.76rem;
}

.path-chip {
  display: inline-flex;
  max-width: 180px;
  overflow: hidden;
  color: var(--dark-text);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mode-switch,
.section-tabs,
.editor-tabs {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px;
  background: rgba(244, 241, 234, 0.06);
  border: 1px solid rgba(244, 241, 234, 0.09);
  border-radius: 7px;
  color: var(--dark-muted);
  font-size: 0.74rem;
  font-weight: 650;
}

.mode-switch span,
.section-tabs span,
.editor-tabs span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 5px;
  white-space: nowrap;
}

.mode-switch .active,
.section-tabs .active,
.editor-tabs .active {
  color: var(--dark-text);
  background: rgba(126, 184, 139, 0.14);
}

.app-layout {
  display: grid;
  grid-template-columns: 250px minmax(420px, 1fr) 245px;
  min-height: 660px;
}

.file-sidebar,
.outline-pane {
  background: var(--dark-panel);
  color: var(--dark-muted);
}

.file-sidebar {
  padding: 22px 14px;
  border-right: 1px solid var(--dark-border);
}

.outline-pane {
  padding: 22px 16px;
  border-left: 1px solid var(--dark-border);
}

.sidebar-title,
.outline-title {
  margin-bottom: 16px;
  color: var(--dark-text);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 700;
}

.file-tree,
.file-tree ul {
  list-style: none;
}

.file-tree ul {
  margin: 5px 0 9px 14px;
  padding-left: 9px;
  border-left: 1px solid rgba(244, 241, 234, 0.08);
}

.file-tree li {
  margin: 3px 0;
}

.file,
.folder {
  display: block;
  overflow: hidden;
  padding: 5px 7px;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 0.73rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.folder {
  color: #d3d7cf;
}

.file::before {
  content: "md";
  margin-right: 8px;
  color: var(--dark-accent);
  font-size: 0.62rem;
}

.folder::before {
  content: "/";
  margin-right: 8px;
  color: #7b8279;
}

.file.selected,
.file.active {
  color: var(--dark-text);
  background: rgba(126, 184, 139, 0.12);
}

.reader-pane {
  min-width: 0;
  padding: 30px 34px;
  background: #111412;
  color: var(--dark-text);
}

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 28px;
  color: var(--dark-muted);
  font-family: var(--mono);
  font-size: 0.74rem;
}

.doc-heading {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.hash {
  color: var(--dark-accent);
  font-family: var(--mono);
  font-size: 2rem;
  line-height: 1.05;
}

.doc-heading h2 {
  color: var(--dark-text);
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 0.98;
}

.section-tabs {
  max-width: 100%;
  margin-top: 26px;
  overflow: auto;
}

.markdown-preview {
  margin-top: 26px;
  color: #d8dcd3;
}

.markdown-preview h3 {
  margin-top: 22px;
  color: var(--dark-text);
  font-size: 1.08rem;
}

.markdown-preview h3::before {
  content: "##";
  margin-right: 8px;
  color: var(--dark-accent);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.markdown-preview p {
  max-width: 68ch;
  margin-top: 8px;
  color: var(--dark-muted);
}

.markdown-preview ol {
  margin-top: 10px;
  padding-left: 24px;
  color: var(--dark-muted);
}

.active-heading {
  width: fit-content;
  padding-right: 10px;
  border-bottom: 1px solid rgba(126, 184, 139, 0.5);
}

pre {
  overflow: auto;
  margin: 22px 0 0;
  padding: 16px;
  background: #0d100e;
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  color: #dce3d8;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.55;
}

code {
  font-family: var(--mono);
}

.outline-pane ol {
  list-style: none;
}

.outline-pane li {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 8px;
  padding: 8px 9px;
  border-radius: 7px;
  font-size: 0.83rem;
}

.outline-pane li span {
  min-width: 24px;
  color: var(--dark-accent);
  font-family: var(--mono);
  font-size: 0.66rem;
}

.outline-pane .current {
  color: var(--dark-text);
  background: rgba(126, 184, 139, 0.13);
  box-shadow: inset 3px 0 0 var(--dark-accent);
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.85fr);
  gap: 72px;
  align-items: start;
}

.copy-stack {
  display: grid;
  gap: 18px;
  color: var(--muted);
  font-size: 1.06rem;
}

.strong-line {
  color: var(--text);
  font-weight: 700;
}

.promise {
  background: var(--panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-heading {
  max-width: 760px;
}

.section-heading.compact {
  max-width: 720px;
}

.section-heading h2 + p {
  margin-top: 20px;
  color: var(--muted);
  font-size: 1.06rem;
}

.flow-strip {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: stretch;
  margin-top: 42px;
}

.flow-card {
  display: grid;
  gap: 12px;
  min-height: 150px;
  padding: 22px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.flow-card strong {
  font-size: 1.15rem;
  line-height: 1.2;
}

.flow-card code {
  align-self: end;
  color: var(--muted);
  font-size: 0.78rem;
}

.flow-index {
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 700;
}

.koala-flow {
  background: #eef3ec;
  border-color: rgba(111, 161, 122, 0.34);
}

.flow-arrow {
  display: grid;
  place-items: center;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-weight: 700;
}

.flow-caption {
  margin-top: 18px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.84rem;
  text-align: center;
}

/* Stagger entrance + continuous pulses for the 1-2-3 flow strip.
   `.has-anim` is added by JS so non-JS users still see the cards. */
.flow-strip.has-anim > * {
  opacity: 0;
  transform: translateY(18px);
  will-change: opacity, transform;
}

.flow-strip.has-anim > :nth-child(1) { --enter-delay: 0ms; }
.flow-strip.has-anim > :nth-child(2) { --enter-delay: 140ms; }
.flow-strip.has-anim > :nth-child(3) { --enter-delay: 260ms; }
.flow-strip.has-anim > :nth-child(4) { --enter-delay: 400ms; }
.flow-strip.has-anim > :nth-child(5) { --enter-delay: 520ms; }

.flow-strip.has-anim.is-animated .flow-card {
  animation: flow-rise 680ms cubic-bezier(0.22, 0.68, 0.22, 1) var(--enter-delay, 0ms) both;
}

.flow-strip.has-anim.is-animated .flow-arrow {
  animation:
    flow-rise 680ms cubic-bezier(0.22, 0.68, 0.22, 1) var(--enter-delay, 0ms) both,
    arrow-pulse 2.4s ease-in-out 1400ms infinite;
}

.flow-strip.has-anim.is-animated .koala-flow {
  animation:
    flow-rise 680ms cubic-bezier(0.22, 0.68, 0.22, 1) var(--enter-delay, 0ms) both,
    koala-glow 3.6s ease-in-out 1600ms infinite;
}

@keyframes flow-rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes arrow-pulse {
  0%, 100% { opacity: 0.55; transform: translateX(0); }
  50% { opacity: 1; transform: translateX(4px); }
}

@keyframes koala-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(111, 161, 122, 0); }
  50% { box-shadow: 0 0 0 10px rgba(111, 161, 122, 0.2); }
}

@media (prefers-reduced-motion: reduce) {
  .flow-strip.has-anim > * {
    opacity: 1;
    transform: none;
    animation: none !important;
  }
}

.plain-promises {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.plain-promises span {
  padding: 7px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.9rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 42px;
}

.feature-card,
.use-card {
  min-height: 230px;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 30px;
  margin-bottom: 22px;
  padding: 0 8px;
  color: var(--accent-strong);
  background: #eff3ed;
  border: 1px solid rgba(111, 161, 122, 0.22);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 750;
}

.feature-card p,
.use-card p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.detail-block {
  border-top: 1px solid var(--border);
}

.split-detail {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1fr);
  gap: 70px;
  align-items: center;
}

.split-detail.reverse {
  grid-template-columns: minmax(360px, 1fr) minmax(0, 0.85fr);
}

.detail-copy p:not(.eyebrow) {
  margin-top: 20px;
  color: var(--muted);
  font-size: 1.04rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.tag-list span,
.trust-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 11px;
  border-radius: 999px;
  font-size: 0.86rem;
}

.tag-list span {
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
}

.motif-panel,
.workflow-panel,
.editor-panel {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 18px 50px rgba(32, 33, 31, 0.08);
}

.motif-panel {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: center;
}

.raw-markdown,
.clean-outline {
  display: grid;
  gap: 9px;
}

.folder-card code {
  display: block;
  overflow: hidden;
  padding: 9px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.raw-markdown {
  gap: 0;
  padding: 16px 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: "Courier New", Courier, var(--mono);
}

.raw-markdown code {
  display: block;
  overflow: hidden;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  color: #8a8f87;
  font-family: inherit;
  font-size: 0.86rem;
  line-height: 1.7;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.motif-arrow {
  color: var(--accent-strong);
  font-family: var(--mono);
  font-weight: 800;
}

.clean-outline span {
  padding: 9px 10px;
  border-left: 2px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.clean-outline .active {
  color: var(--text);
  background: #eff3ed;
  border-left-color: var(--accent);
  border-radius: 0 6px 6px 0;
}

.workflow-detail {
  background: var(--panel);
}

.workflow-panel {
  display: grid;
  gap: 18px;
}

.folder-card {
  display: grid;
  gap: 8px;
  padding: 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.folder-card span {
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.folder-card strong {
  font-size: 1.2rem;
}

.tool-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.tool-row span {
  display: grid;
  min-height: 44px;
  place-items: center;
  background: var(--dark-panel);
  border: 1px solid var(--dark-border);
  border-radius: 7px;
  color: var(--dark-text);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.plain-list {
  display: grid;
  gap: 8px;
  margin-top: 24px;
  list-style: none;
  color: var(--text);
  font-weight: 650;
}

.plain-list li::before {
  content: "->";
  margin-right: 10px;
  color: var(--accent-strong);
  font-family: var(--mono);
}

.editor-panel {
  background: var(--dark-panel);
  border-color: var(--dark-border);
  color: var(--dark-text);
}

.editor-tabs {
  margin-bottom: 18px;
}

.editor-split {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: 18px;
  align-items: stretch;
}

.editor-split > div {
  padding: 18px;
  background: #111412;
  border: 1px solid var(--dark-border);
  border-radius: 8px;
}

.editor-split h3 {
  color: var(--dark-text);
}

.editor-split p {
  margin-top: 10px;
  color: var(--dark-muted);
}

blockquote {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--dark-accent);
  color: var(--dark-muted);
}

.editor-split pre {
  margin: 0;
}

.differentiator,
.trust {
  background: var(--dark-bg);
  color: var(--dark-muted);
}

.differentiator h2,
.trust h2 {
  color: var(--dark-text);
}

.differentiator p,
.trust p {
  margin-top: 20px;
  color: var(--dark-muted);
}

.question-panel {
  padding: 26px;
  background: var(--dark-panel);
  border: 1px solid var(--dark-border);
  border-radius: 10px;
}

.question-panel h3 {
  color: var(--dark-text);
}

.question-panel ul {
  display: grid;
  gap: 12px;
  margin-top: 20px;
  list-style: none;
}

.question-panel li {
  display: flex;
  gap: 10px;
  color: var(--dark-muted);
}

.question-panel li::before {
  content: "#";
  color: var(--dark-accent);
  font-family: var(--mono);
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 42px;
}

.use-card span {
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 760;
  text-transform: uppercase;
}

.use-card h3 {
  margin-top: 14px;
  font-size: 1.32rem;
}

.trust-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.85fr);
  gap: 80px;
  align-items: center;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-badges span {
  color: var(--dark-text);
  background: rgba(126, 184, 139, 0.1);
  border: 1px solid rgba(126, 184, 139, 0.22);
}

.download-card {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1fr);
  gap: 40px;
  align-items: stretch;
  margin-top: 42px;
  padding: 36px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 18px 50px rgba(32, 33, 31, 0.08);
}

.download-primary {
  display: grid;
  align-content: center;
  gap: 14px;
}

.download-detected {
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.download-cta {
  justify-self: start;
  min-width: 220px;
}

.download-hint {
  max-width: 360px;
  color: var(--muted);
  font-size: 0.92rem;
}

.download-all {
  display: grid;
  gap: 14px;
  padding: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.download-all h3 {
  font-size: 0.94rem;
  font-weight: 720;
}

.download-list {
  display: grid;
  gap: 8px;
  list-style: none;
}

.download-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.download-item.is-detected {
  border-color: rgba(111, 161, 122, 0.45);
  box-shadow: inset 0 0 0 1px rgba(111, 161, 122, 0.18);
}

.download-item-meta {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.download-item-meta strong {
  font-size: 1rem;
  font-weight: 720;
}

.download-item-meta span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.download-item .button {
  min-height: 38px;
  padding: 0 14px;
  font-size: 0.86rem;
}

.faq {
  background: var(--panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.55fr) minmax(0, 1fr);
  gap: 72px;
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

summary {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 20px;
  cursor: pointer;
  color: var(--text);
  font-weight: 720;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  color: var(--accent-strong);
  font-family: var(--mono);
}

details[open] summary::after {
  content: "-";
}

details p {
  padding: 0 20px 20px;
  color: var(--muted);
}

.final-cta {
  text-align: center;
}

.final-panel {
  max-width: 900px;
}

.footer-mark {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 20px;
  place-items: center;
  color: var(--accent-strong);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--mono);
  font-weight: 800;
}

.final-panel p {
  max-width: 640px;
  margin: 20px auto 28px;
  color: var(--muted);
  font-size: 1.05rem;
}

.site-footer {
  padding: 28px 0 42px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 0.9rem;
}

/* inline code used in body copy */
.inline-code {
  padding: 2px 6px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.86em;
}

/* terminal-launch section */
.terminal-launch {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.terminal-window {
  overflow: hidden;
  background: var(--dark-bg);
  border: 1px solid var(--dark-border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  font-family: var(--mono);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  background: #151916;
  border-bottom: 1px solid var(--dark-border);
}

.terminal-title {
  color: var(--dark-muted);
  font-size: 0.78rem;
}

.terminal-body {
  display: grid;
  gap: 12px;
  min-height: 200px;
  padding: 22px 20px;
  color: var(--dark-text);
  font-size: 0.95rem;
  line-height: 1.5;
}

.terminal-line {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.terminal-prompt {
  color: var(--dark-accent);
  font-weight: 700;
}

.terminal-typed {
  color: var(--dark-text);
  white-space: pre;
}

.terminal-caret {
  display: inline-block;
  width: 9px;
  height: 1.05em;
  margin-left: 2px;
  background: var(--dark-accent);
  vertical-align: -2px;
  animation: terminal-blink 1s steps(1, end) infinite;
}

.terminal-result {
  align-items: center;
  color: var(--dark-muted);
  font-size: 0.86rem;
}

.terminal-result-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--dark-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(126, 184, 139, 0.18);
  animation: terminal-pulse 1.6s ease-in-out infinite;
}

@keyframes terminal-blink {
  50% {
    opacity: 0;
  }
}

@keyframes terminal-pulse {
  0%, 100% {
    box-shadow: 0 0 0 4px rgba(126, 184, 139, 0.18);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(126, 184, 139, 0.04);
  }
}

/* word-swap typewriter in headings */
.word-swap {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  color: var(--accent-strong);
}

.word-swap-text {
  display: inline-block;
  white-space: pre;
}

.word-swap-caret {
  display: inline-block;
  width: 0.5ch;
  height: 0.82em;
  margin-left: 3px;
  background: var(--accent);
  vertical-align: -0.08em;
  animation: terminal-blink 1s steps(1, end) infinite;
}

/* flat plain-text raw markdown; emphasis lives in the outline on the right */
.raw-markdown code .hash {
  margin: 0;
  color: inherit;
  font: inherit;
}

.clean-outline .lvl-1 {
  margin-bottom: 4px;
  padding-left: 8px;
  border-left-width: 3px;
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 720;
}

.clean-outline .lvl-2 {
  font-size: 0.9rem;
}

.clean-outline .lvl-3 {
  margin-left: 14px;
  padding-top: 6px;
  padding-bottom: 6px;
  color: #8a8f87;
  font-size: 0.82rem;
}

/* capabilities teaser on main page */
.capabilities {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 42px;
}

.matrix-card {
  display: grid;
  gap: 14px;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.matrix-card header {
  display: grid;
  gap: 8px;
}

.matrix-tag {
  align-self: start;
  padding: 4px 9px;
  background: #eff3ed;
  border: 1px solid rgba(111, 161, 122, 0.22);
  border-radius: 999px;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.matrix-card h3 {
  font-size: 1.02rem;
  line-height: 1.3;
}

.matrix-list {
  display: grid;
  gap: 6px;
  list-style: none;
  color: var(--muted);
  font-size: 0.9rem;
}

.matrix-list li::before {
  content: "·";
  margin-right: 8px;
  color: var(--accent-strong);
  font-weight: 800;
}

.matrix-list-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-family: var(--mono);
  font-size: 0.78rem;
}

.matrix-list-chips li {
  padding: 4px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
}

.matrix-list-chips li::before {
  content: none;
}

.matrix-footnote {
  margin-top: 6px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.matrix-footnote.center {
  margin-top: 28px;
  text-align: center;
}

.matrix-cta {
  margin-top: 32px;
  text-align: center;
}

/* capabilities page */
.capabilities-hero {
  padding-top: 64px;
  padding-bottom: 32px;
}

.capabilities-hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
}

.capabilities-section + .capabilities-section {
  border-top: 1px solid var(--border);
}

.cap-table {
  width: 100%;
  margin-top: 32px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-collapse: collapse;
  border-radius: 10px;
  overflow: hidden;
}

.cap-table th,
.cap-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
  text-align: left;
  vertical-align: top;
}

.cap-table thead th {
  background: var(--bg-soft);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.cap-table tbody tr:last-child td {
  border-bottom: 0;
}

.cap-table td:first-child {
  color: var(--text);
  white-space: nowrap;
}

.cap-table td strong {
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.84rem;
  text-transform: uppercase;
}

.cap-yes {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  background: #eff3ed;
  border: 1px solid rgba(111, 161, 122, 0.3);
  border-radius: 999px;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 700;
}

.lang-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.lang-group {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.lang-group h3 {
  margin-bottom: 14px;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.lang-group ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
}

.lang-group li {
  padding: 4px 9px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  font-family: var(--mono);
  font-size: 0.8rem;
}

@media (max-width: 1080px) {
  .feature-grid,
  .matrix-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lang-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .app-layout {
    grid-template-columns: 220px minmax(360px, 1fr);
  }

  .outline-pane {
    display: none;
  }

  .split-detail,
  .split-detail.reverse,
  .trust-grid,
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }
}

@media (max-width: 840px) {
  .section-pad {
    padding: 76px 0;
  }

  .site-header {
    justify-content: flex-start;
    width: calc(100% - 24px);
  }

  .nav-toggle {
    position: static;
    z-index: 2;
    display: grid;
    place-items: center;
    margin-left: 12px;
    background: var(--text);
    border-color: var(--text);
  }

  .nav-toggle span {
    margin: 3px auto;
    background: var(--dark-text);
  }

  .site-nav {
    position: fixed;
    top: 74px;
    right: 12px;
    left: 12px;
    display: none;
    padding: 12px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 18px 50px rgba(32, 33, 31, 0.12);
  }

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

  .site-nav a,
  .site-nav .nav-cta {
    width: 100%;
    margin: 0;
  }

  .hero {
    padding-top: 52px;
  }

  h1 {
    font-size: clamp(2.35rem, 5.2vw, 3rem);
    overflow-wrap: break-word;
  }

  .app-window {
    margin-top: 42px;
  }

  .window-bar {
    grid-template-columns: auto 1fr;
  }

  .mode-switch {
    display: none;
  }

  .app-layout {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .file-sidebar {
    max-height: 230px;
    overflow: auto;
    border-right: 0;
    border-bottom: 1px solid var(--dark-border);
  }

  .reader-pane {
    padding: 24px 22px;
  }

  .two-col,
  .download-card {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .flow-strip {
    grid-template-columns: 1fr;
  }

  .flow-arrow {
    min-height: 24px;
    transform: rotate(90deg);
  }

  .motif-panel {
    grid-template-columns: 1fr;
  }

  .motif-arrow {
    transform: rotate(90deg);
    text-align: center;
  }

  .editor-split,
  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .tool-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .container,
  .container-wide {
    width: min(100% - 24px, 1120px);
  }

  .section-pad {
    padding: 64px 0;
  }

  .hero {
    padding-top: 46px;
  }

  .hero-inner {
    width: min(100% - 72px, 760px);
  }

  h1 {
    max-width: 280px;
    font-size: clamp(1.9rem, 7.4vw, 2.05rem);
    text-wrap: normal;
  }

  .hero-copy {
    max-width: 300px;
    font-size: 0.98rem;
  }

  .hero-support {
    max-width: 285px;
    font-size: 0.94rem;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .feature-grid,
  .matrix-grid,
  .lang-grid {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .use-card {
    min-height: auto;
  }

  .cap-table {
    font-size: 0.85rem;
  }

  .cap-table th,
  .cap-table td {
    padding: 10px 12px;
  }

  .window-path {
    justify-content: flex-end;
  }

  .window-path span:not(.path-chip) {
    display: none;
  }

  .doc-heading h2 {
    font-size: 2.25rem;
  }

  .section-tabs {
    width: 100%;
  }

  .download-card {
    padding: 24px;
  }

  .download-cta {
    justify-self: stretch;
    width: 100%;
  }

  .download-item {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .download-item .button {
    width: 100%;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}