@font-face {
  font-family: "Bricolage Grotesque";
  src: url("fonts/bricolage-latin-ext.woff2") format("woff2") tech("variations"),
       url("fonts/bricolage-latin-ext.woff2") format("woff2-variations");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Bricolage Grotesque";
  src: url("fonts/bricolage-latin.woff2") format("woff2") tech("variations"),
       url("fonts/bricolage-latin.woff2") format("woff2-variations");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg: #08090a;
  --bg-elev: #0f1011;
  --bg-panel: #141516;
  --bg-card: #191a1b;
  --bg-hover: #222326;
  --text: #f7f8f8;
  --muted: #8a8f98;
  --muted-2: #62666d;
  --indigo: #5e6ad2;
  --indigo-soft: #7170ff;
  --cta: #e5e5e6;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.12);
  --green: #4cb782;
  --yellow: #f2c94c;
  --red: #eb5757;
  --orange: #fc7840;
  --sans: "Bricolage Grotesque", "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --display: "Bricolage Grotesque", "SF Pro Display", sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --header: 73px;
  --radius: 12px;
  --radius-sm: 8px;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: -0.011em;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2 {
  font-family: var(--display);
  font-weight: 500;
}

body {
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

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

button,
input {
  font: inherit;
  color: inherit;
}

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

:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 2px;
}

::selection {
  background: var(--indigo);
  color: #fff;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -40px;
  z-index: 80;
  background: var(--indigo);
  color: #fff;
  padding: 0 16px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
  border-radius: 6px;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header);
  display: flex;
  align-items: center;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(8, 9, 10, 0.72);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.header-inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 8px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-self: start;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: auto;
  height: 22px;
  display: block;
}

.brand-mark.sm {
  height: 16px;
}

.nav-center {
  display: flex;
  align-items: center;
  justify-self: center;
  gap: 2px;
}

.nav-end {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 4px;
}

.nav-divider {
  width: 1px;
  height: 16px;
  background: var(--line-strong);
  margin: 0 8px;
}

.nav-link,
.nav-center > a.nav-link {
  appearance: none;
  background: none;
  border: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
  padding: 0 12px;
  height: 32px;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.nav-link:hover,
.nav-link.is-current {
  color: var(--text);
}

.nav-item {
  position: relative;
}

.nav-flyout {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  width: 260px;
  padding: 8px;
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.nav-flyout a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  border-radius: 8px;
}

.nav-flyout a:hover {
  background: var(--bg-hover);
}

.nav-flyout strong {
  font-size: 13px;
  font-weight: 500;
}

.nav-flyout span {
  color: var(--muted);
  font-size: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding: 0 12px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-cta {
  background: var(--cta);
  color: var(--bg);
}

.btn-cta:hover {
  background: #fff;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--text);
}

.btn-ghost:hover {
  background: var(--bg-hover);
}

.nav-toggle {
  display: none;
  width: 36px;
  height: 32px;
  border: 0;
  background: none;
  padding: 0;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 1.5px;
  width: 16px;
  margin: 0 auto;
  background: var(--text);
}

.mobile-nav {
  display: none;
}

.hero {
  padding: 72px 0 0;
}

.hero-copy {
  max-width: 1280px;
  margin: 0 auto;
  padding: 48px 48px 0;
}

.hero h1 {
  margin: 0;
  font-size: 64px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.022em;
  max-width: 11.5em;
}

.hero-sub {
  margin-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.hero-sub p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  font-weight: 400;
}

.announcement {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.announcement:hover {
  color: var(--text);
}

.announcement-new {
  color: var(--text);
  font-weight: 500;
}

.hero-app-wrap {
  margin-top: 48px;
  padding: 0 24px;
  position: relative;
}

.hero-app-wrap::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 28%;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
}

.app-frame {
  position: relative;
  background: #0c0d0e;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  min-height: 560px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 248px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.03), 0 40px 80px rgba(0, 0, 0, 0.4);
}

.app-sidebar,
.app-meta {
  background: #101113;
  border-color: var(--line);
}

.app-sidebar {
  border-right: 1px solid var(--line);
  padding: 14px 10px 18px;
}

.app-side-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6px 12px;
}

.app-workspace {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
}

.app-workspace .brand-mark {
  height: 16px;
  width: auto;
}

.app-workspace svg {
  width: 16px;
  height: 16px;
}

.app-workspace .chev {
  width: 10px;
  height: 10px;
  color: var(--muted);
}

.app-side-actions {
  display: flex;
  gap: 4px;
}

.icon-btn {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  cursor: pointer;
}

.icon-btn svg {
  width: 14px;
  height: 14px;
}

.icon-btn:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.app-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.app-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 8px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 13px;
}

.app-nav a svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.app-nav a:hover,
.app-nav a.is-active {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.app-side-label {
  margin: 18px 8px 6px;
  font-size: 11px;
  color: var(--muted-2);
  letter-spacing: 0.04em;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
  display: inline-block;
}

.dot.indigo { background: var(--indigo); }
.dot.green { background: var(--green); }
.dot.yellow { background: var(--yellow); }

.app-main {
  min-width: 0;
  background: #0c0d0e;
}

.app-main-bar {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.app-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 500;
}

.star {
  border: 0;
  background: none;
  color: var(--yellow);
  cursor: pointer;
  padding: 0;
}

.app-pager {
  display: flex;
  align-items: center;
  gap: 6px;
}

.app-main-body {
  padding: 36px 48px 80px;
}

.app-main-body h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.app-desc {
  margin: 10px 0 32px;
  color: var(--muted);
  max-width: 52ch;
  font-size: 14px;
}

.app-desc code,
.activity code,
.meta-list code,
.cas code,
.terminal,
.cap-list code {
  font-size: 12px;
}

.app-desc code {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--text);
}

.app-main-body h4 {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 500;
}

.activity {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.activity li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.activity p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.activity strong {
  color: var(--text);
  font-weight: 500;
}

.activity code {
  color: var(--text);
}

.ago {
  color: var(--muted-2);
}

.avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 600;
  background: #2a2b31;
  color: var(--text);
  flex-shrink: 0;
}

.avatar.sm {
  width: 18px;
  height: 18px;
  font-size: 8px;
}

.avatar.indigo { background: #3b3f7a; color: #c9cdff; }
.avatar.green { background: #1d3b30; color: #8ee0b8; }
.avatar.orange { background: #4a2d1e; color: #ffc09a; }

.pill {
  display: inline-flex;
  align-items: center;
  height: 18px;
  padding: 0 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
}

.pill-green { background: rgba(76, 183, 130, 0.15); color: var(--green); }
.pill-red { background: rgba(235, 87, 87, 0.15); color: var(--red); }
.pill-indigo { background: rgba(94, 106, 210, 0.18); color: #b4bbff; }

.app-meta {
  border-left: 1px solid var(--line);
  padding: 16px 16px 24px;
  font-size: 13px;
}

.meta-id {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  margin-bottom: 18px;
}

.meta-list {
  margin: 0;
}

.meta-list > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  min-height: 32px;
  border-top: 1px solid var(--line);
}

.meta-list dt {
  color: var(--muted);
  font-weight: 400;
}

.meta-list dd {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.meta-label {
  margin: 20px 0 8px;
  color: var(--muted);
}

.evidence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
}

.evidence-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.status i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
}

.status.ready i { background: var(--yellow); }
.status.ok i,
.status.success i { background: var(--green); }
.status.conflict i { background: var(--red); }
.status.pending i { background: var(--muted-2); }

.agent-panel {
  position: absolute;
  right: 28px;
  bottom: 28px;
  width: 320px;
  background: #17181b;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  z-index: 2;
}

.agent-panel header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.agent-panel header strong {
  font-weight: 500;
}

.agent-panel .chip {
  font-size: 11px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.06);
  padding: 1px 6px;
  border-radius: 4px;
}

.agent-panel header .icon-btn {
  margin-left: auto;
  border: 0;
}

.agent-log {
  padding: 12px;
  font-size: 13px;
  color: var(--muted);
}

.agent-log p {
  margin: 0 0 8px;
}

.agent-log .ok {
  color: var(--green);
}

.agent-input {
  display: block;
  margin: 0 10px 10px;
}

.agent-input input {
  width: 100%;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #101113;
  padding: 0 10px;
  color: var(--muted);
}

.logo-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 36px;
  padding: 56px 32px 8px;
  color: var(--muted-2);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.manifesto,
.feature,
.protocol,
.architecture,
.install {
  max-width: 1280px;
  margin: 0 auto;
  padding: 120px 48px 0;
  scroll-margin-top: 88px;
}

.manifesto h2,
.install h2 {
  margin: 0;
  font-size: 48px;
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.028em;
  max-width: 22ch;
}

.manifesto h2 span {
  color: var(--text);
}

.manifesto h2 {
  color: var(--muted);
}

.fig-grid {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.fig-grid article {
  padding: 28px 28px 8px;
  border-right: 1px solid var(--line);
}

.fig-grid article:last-child {
  border-right: 0;
}

.fig-label {
  margin: 0 0 20px;
  color: var(--muted-2);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.fig-svg {
  width: 100%;
  height: 240px;
  margin: 8px 0 28px;
  display: block;
}

.fig-grid h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 500;
}

.fig-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  max-width: 36ch;
}

.feature-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 40px;
}

.feature-head h2 {
  margin: 0;
  font-size: 40px;
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 16ch;
}

.feature-head p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 16px;
  max-width: 46ch;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.feature-link span:first-child {
  color: var(--muted-2);
}

.feature-link:hover {
  color: var(--text);
}

.board-frame,
.evidence-frame,
.cas-frame,
.terminal-frame,
.principal-frame {
  min-height: 0;
  display: block;
}

.board-frame {
  padding: 20px 16px 8px;
  background:
    radial-gradient(1200px 400px at 80% 10%, rgba(94, 106, 210, 0.12), transparent 50%),
    #0c0d0e;
}

.board {
  display: grid;
  grid-template-columns: repeat(4, minmax(200px, 1fr));
  gap: 12px;
  min-height: 420px;
}

.board-col {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 10px;
  padding: 10px;
}

.board-col header {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 6px 12px;
}

.board-col header em {
  font-style: normal;
  color: var(--muted-2);
}

.col-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted-2);
}

.col-dot.yellow { background: var(--yellow); }
.col-dot.indigo { background: var(--indigo); }
.col-dot.green { background: var(--green); }

.issue-card {
  background: #18191b;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 10px;
}

.issue-card.is-active {
  border-color: rgba(94, 106, 210, 0.45);
}

.issue-card.dim {
  opacity: 0.7;
}

.issue-id {
  margin: 0 0 6px;
  color: var(--muted-2);
  font-size: 12px;
}

.issue-card h3 {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.issue-meta {
  display: flex;
  align-items: center;
  gap: 6px;
}

.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.subnav-btn {
  height: 32px;
  padding: 0 12px;
  border-radius: 9999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
}

.subnav-btn.is-active,
.subnav-btn:hover {
  color: var(--text);
  background: var(--bg-hover);
  border-color: var(--line-strong);
}

.subnav-btn.is-static {
  cursor: default;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.principal-frame {
  min-height: 360px;
  padding: 0;
}

.panel-bar {
  height: 44px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

.cap-list,
.chain {
  list-style: none;
  margin: 0;
  padding: 8px 0 16px;
}

.cap-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--line);
}

.cap-list code {
  color: var(--text);
  font-size: 12.5px;
}

.ok-text { color: var(--green); }
.warn-text { color: var(--yellow); }
.bad-text { color: var(--red); }

.chain li {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  align-items: flex-start;
}

.chain strong {
  display: block;
  font-size: 13px;
  font-weight: 500;
}

.chain p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.evidence-frame {
  padding: 8px 0 4px;
}

.evidence-table {
  font-size: 13px;
}

.e-row {
  display: grid;
  grid-template-columns: 0.8fr 1.1fr 1.4fr 0.8fr 1.4fr;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.e-row.head {
  color: var(--muted-2);
  font-size: 12px;
}

.cas-frame {
  padding: 28px 28px 20px;
}

.cas {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 24px;
  align-items: start;
  min-height: 280px;
}

.cas-card {
  background: #18191b;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
}

.cas-card.is-success {
  border-color: rgba(76, 183, 130, 0.5);
}

.cas-card.is-conflict {
  border-color: rgba(235, 87, 87, 0.5);
}

.cas-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 500;
}

.cas-card p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
}

.cas-spine {
  text-align: center;
}

.spine-line {
  height: 72px;
  width: 1px;
  margin: 0 auto;
  background: linear-gradient(to bottom, transparent, var(--indigo), transparent);
}

.spine-node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 88px;
  height: 32px;
  padding: 0 12px;
  border-radius: 9999px;
  border: 1px solid var(--line-strong);
  background: #17181b;
  font-family: var(--mono);
  font-size: 12px;
}

.cas-log {
  margin: 16px auto 0;
  max-width: 280px;
  text-align: left;
  background: #101113;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  color: var(--muted);
  font-size: 12px;
  min-height: 72px;
  white-space: pre-wrap;
}

.cas-actions {
  display: flex;
  justify-content: center;
  margin-top: 8px;
}

.terminal-frame {
  background: #0b0c0d;
}

.term-bar {
  height: 44px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.term-dots {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #3a3d42;
  box-shadow: 16px 0 0 #3a3d42, 32px 0 0 #3a3d42;
  margin-right: 28px;
}

.terminal {
  margin: 0;
  padding: 24px 28px 32px;
  color: #cfd2d8;
  font-size: 13px;
  line-height: 1.7;
  overflow: auto;
}

.terminal .prompt {
  color: var(--indigo-soft);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px 32px;
}

.steps li {
  display: flex;
  gap: 14px;
}

.steps span {
  color: var(--muted-2);
  font-size: 13px;
  font-weight: 500;
  padding-top: 3px;
}

.steps strong {
  display: block;
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 6px;
}

.steps p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.arch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.arch-grid article {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
}

.arch-grid h3 {
  margin: 0 0 16px;
  font-size: 15px;
  font-weight: 500;
}

.arch-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: 14px;
}

.arch-grid li + li {
  margin-top: 8px;
}

.install {
  padding-bottom: 40px;
  text-align: left;
}

.install h2 {
  max-width: 12ch;
}

.install-row {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.install-cmd {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  height: 40px;
  padding: 0 8px 0 16px;
  border-radius: 9999px;
  border: 1px solid var(--line-strong);
  background: var(--bg-card);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  cursor: pointer;
}

.copy-hint {
  height: 26px;
  padding: 0 10px;
  border-radius: 9999px;
  background: var(--cta);
  color: var(--bg);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
}

.site-footer {
  margin-top: 120px;
  padding: 48px 48px 40px;
  border-top: 1px solid var(--line);
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 40px;
}

.footer-brand p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.footer-cols h3 {
  margin: 0 0 12px;
  font-size: 12px;
  color: var(--muted-2);
  font-weight: 500;
}

.footer-cols a {
  display: block;
  color: var(--muted);
  font-size: 13px;
  padding: 4px 0;
}

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

.copyright {
  grid-column: 1 / -1;
  margin: 24px 0 0;
  color: var(--muted-2);
  font-size: 12px;
}

.copyright code {
  font-size: 11px;
}

.footer-meta {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.footer-meta .copyright {
  margin: 0;
  grid-column: auto;
}

.seeyon-credit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted-2);
  font-size: 12px;
  margin: 0;
}

.seeyon-logo {
  width: 22px;
  height: 22px;
  display: block;
}

@media (max-width: 1100px) {
  .hero h1 {
    font-size: 48px;
  }

  .app-frame {
    grid-template-columns: 200px minmax(0, 1fr);
  }

  .app-meta,
  .agent-panel {
    display: none;
  }

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

@media (max-width: 860px) {
  .header-inner {
    display: flex;
    padding: 0 20px;
  }

  .brand {
    margin-right: auto;
  }

  .nav-divider {
    display: none;
  }

  .nav-center {
    display: none;
  }

  .nav-end .nav-link {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .mobile-nav:not([hidden]) {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px 20px 20px;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    position: sticky;
    top: var(--header);
    z-index: 40;
  }

  .mobile-nav a {
    padding: 10px 0;
    color: var(--muted);
    font-size: 15px;
  }

  .mobile-nav .btn {
    margin-top: 8px;
    align-self: flex-start;
  }

  .mobile-nav .btn-cta {
    color: var(--bg);
  }

  .hero-copy,
  .manifesto,
  .feature,
  .protocol,
  .architecture,
  .install,
  .site-footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero {
    padding-top: 24px;
  }

  .hero h1 {
    font-size: 36px;
    max-width: none;
  }

  .hero-sub {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-app-wrap {
    padding: 0 12px;
  }

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

  .app-sidebar {
    display: none;
  }

  .app-main-body {
    padding: 24px 20px 48px;
  }

  .manifesto h2,
  .install h2,
  .feature-head h2 {
    font-size: 32px;
  }

  .feature-head,
  .split,
  .fig-grid,
  .steps,
  .arch-grid,
  .cas,
  .site-footer,
  .footer-cols {
    grid-template-columns: 1fr;
  }

  .fig-grid article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding-left: 0;
    padding-right: 0;
  }

  .board {
    grid-template-columns: 1fr;
  }

  .e-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .install-cmd {
    width: 100%;
    justify-content: space-between;
    overflow: hidden;
  }

  .install-cmd span:first-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}