:root {
  color-scheme: light;
  --canvas: #f5f7f8;
  --surface: #ffffff;
  --surface-blue: #e3edfc;
  --surface-blue-strong: #c8dcf3;
  --surface-warm: #fff4dd;
  --ink: #26323d;
  --ink-strong: #122030;
  --muted: #626c74;
  --line: #d2d6d8;
  --line-blue: #b7cee6;
  --action: #1a5fad;
  --action-hover: #124d8c;
  --action-bright: #2a89ea;
  --accent: #d8ac58;
  --accent-soft: #f6dca9;
  --focus: #0d5eae;
  --success: #287354;
  --font-sans: "Avenir Next", Avenir, "Segoe UI", "PingFang TC", "Noto Sans TC", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --page-width: 74rem;
  --gutter: clamp(1rem, 4vw, 3rem);
  --radius-small: 10px;
  --radius-medium: 18px 18px 18px 7px;
  --radius-large: 30px 30px 30px 12px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  background: var(--canvas);
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

a {
  color: inherit;
}

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

::selection {
  color: var(--ink-strong);
  background: var(--accent-soft);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 9px 13px;
  color: #ffffff;
  background: var(--ink-strong);
  border-radius: 8px;
  font-weight: 750;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 150ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.page-shell {
  width: min(calc(100% - 2 * var(--gutter)), var(--page-width));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid rgb(210 214 216 / 72%);
}

.header-inner {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
  color: var(--ink-strong);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.brand img {
  width: 48px;
  height: 48px;
}

.site-nav {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 2rem);
}

.site-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  transition: color 150ms ease;
}

.site-nav a:hover {
  color: var(--action);
}

.header-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
}

.language-link,
.github-link,
.menu-toggle {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-small);
  font-size: 0.78rem;
  font-weight: 800;
  text-decoration: none;
}

.language-link:hover,
.menu-toggle:hover {
  background: var(--surface-blue);
}

.github-link {
  gap: 8px;
  padding: 0 13px;
  color: #ffffff;
  background: var(--ink-strong);
}

.github-link:hover {
  background: #21364c;
}

.github-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.menu-toggle {
  display: none;
  padding: 0;
  color: var(--ink-strong);
  background: transparent;
  border: 0;
  cursor: pointer;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  width: 19px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.menu-icon {
  position: relative;
  transition: background 150ms ease;
}

.menu-icon::before,
.menu-icon::after {
  position: absolute;
  left: 0;
  content: "";
  transition: transform 150ms ease;
}

.menu-icon::before {
  top: -6px;
}

.menu-icon::after {
  top: 6px;
}

.menu-toggle[aria-expanded="true"] .menu-icon {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

.hero {
  padding: clamp(2.2rem, 6vw, 5.75rem) 0 clamp(4rem, 8vw, 7.5rem);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(27rem, 1.06fr);
  align-items: center;
  gap: clamp(2.5rem, 7vw, 6.5rem);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--action);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  color: var(--ink-strong);
}

h1 {
  max-width: 11.2em;
  margin: 0;
  font-size: clamp(2.8rem, 5.7vw, 5.35rem);
  font-weight: 650;
  letter-spacing: -0.058em;
  line-height: 1.02;
}

.hero-intro {
  max-width: 37rem;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 0.94rem + 0.3vw, 1.18rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  margin-top: 32px;
  align-items: center;
  gap: 20px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 18px;
  border-radius: var(--radius-small);
  font-size: 0.86rem;
  font-weight: 800;
  text-decoration: none;
  transition: background-color 150ms ease;
}

.button svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.button-primary {
  color: #ffffff;
  background: var(--action);
}

.button-primary:hover {
  background: var(--action-hover);
}

.text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 8px;
  color: var(--action);
  font-size: 0.84rem;
  font-weight: 800;
  text-underline-offset: 4px;
}

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

.hero-note {
  display: flex;
  margin: 24px 0 0;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
}

.hero-note::before {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--success);
  border: 4px solid #dceee5;
  border-radius: 50%;
  content: "";
}

.memory-figure {
  position: relative;
  margin: 0;
  padding: clamp(16px, 2vw, 22px);
  background: var(--surface-blue);
  border: 1px solid var(--line-blue);
  border-radius: 34px 34px 34px 13px;
}

.memory-figure::before {
  position: absolute;
  top: -31px;
  right: 42px;
  width: 74px;
  height: 74px;
  background: var(--accent-soft);
  border-radius: 50%;
  content: "";
}

.memory-board {
  position: relative;
  z-index: 1;
  padding: clamp(15px, 2.4vw, 24px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px 22px 22px 9px;
}

.board-bar {
  display: flex;
  min-height: 36px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 13px;
}

.board-time {
  color: var(--ink-strong);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 750;
}

.board-count {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 0 9px;
  color: var(--action);
  background: var(--surface-blue);
  border-radius: 999px;
  font-size: 0.66rem;
  font-weight: 850;
}

.contact-sheet {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
}

.frame {
  position: relative;
  min-width: 0;
  aspect-ratio: 1.38;
  overflow: hidden;
  color: #d89a50;
  background: linear-gradient(180deg, #c6dbf1 0 57%, #b6cee4 57% 59.4%, #a2c0d8 59.4% 100%);
  border-radius: 7px 7px 7px 3px;
}

.frame-scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.frame:nth-child(3n + 2) {
  color: #d3924a;
  background: linear-gradient(180deg, #c1d7ef 0 57%, #b1cae1 57% 59.4%, #9dbdd6 59.4% 100%);
}

.frame:nth-child(4n) {
  color: #dda159;
  background: linear-gradient(180deg, #cbe0f4 0 57%, #bbd2e7 57% 59.4%, #a8c6dd 59.4% 100%);
}

.frame-focus {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.frame-focus span {
  position: absolute;
  z-index: 2;
  top: 33%;
  left: 43%;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border: 2px solid var(--surface-warm);
  border-radius: 50%;
  animation: event-pulse 2.4s ease-in-out infinite;
}

.agent-finding {
  position: relative;
  z-index: 2;
  display: flex;
  width: min(88%, 22rem);
  min-height: 67px;
  margin: -6px 0 0 auto;
  padding: 12px 15px;
  align-items: center;
  gap: 12px;
  color: var(--ink-strong);
  background: var(--surface-warm);
  border: 1px solid #e5c98e;
  border-radius: 15px 15px 15px 6px;
}

.finding-mark {
  display: grid;
  width: 35px;
  height: 35px;
  flex: 0 0 auto;
  place-items: center;
  color: #6e4b08;
  background: var(--accent-soft);
  border-radius: 11px 11px 11px 4px;
}

.finding-mark svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.finding-mark svg circle:not(:first-of-type) {
  fill: currentColor;
  stroke: none;
}

.agent-finding div > strong,
.agent-finding div > span {
  display: block;
}

.agent-finding strong {
  font-size: 0.76rem;
}

.agent-finding span {
  margin-top: 2px;
  color: #6e5730;
  font-size: 0.7rem;
}

.memory-figure figcaption {
  margin: 14px 3px 1px;
  color: var(--muted);
  font-size: 0.7rem;
  text-align: center;
}

.facts {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.fact-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.fact-list li {
  display: grid;
  min-height: 142px;
  align-content: center;
  padding: 26px clamp(1.25rem, 4vw, 3.5rem);
}

.fact-list li + li {
  border-left: 1px solid var(--line);
}

.fact-list strong,
.fact-list span {
  display: block;
}

.fact-list strong {
  color: var(--action);
  font-family: var(--font-mono);
  font-size: clamp(1.45rem, 1.1rem + 1vw, 2.1rem);
  line-height: 1.2;
}

.fact-list span {
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.77rem;
  font-weight: 650;
  line-height: 1.45;
}

.section {
  padding: clamp(4.75rem, 9vw, 8.5rem) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(20rem, 0.75fr);
  align-items: end;
  gap: clamp(2rem, 8vw, 8rem);
  margin-bottom: clamp(2.75rem, 5vw, 4.5rem);
}

.section-heading h2,
.tool-copy h2,
.architecture-heading h2,
.start-copy h2,
.privacy-copy h2 {
  max-width: 13em;
  margin: 0;
  font-size: clamp(2rem, 3.8vw, 3.5rem);
  font-weight: 650;
  letter-spacing: -0.048em;
  line-height: 1.08;
}

.section-heading > p,
.tool-copy > p,
.architecture-heading > p,
.start-copy > p,
.privacy-copy > p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.flow-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.flow-list li {
  display: grid;
  grid-template-columns: 5rem minmax(12rem, 0.72fr) minmax(16rem, 1fr) 74px;
  min-height: 132px;
  align-items: center;
  gap: clamp(1.25rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
}

.flow-number {
  color: var(--action);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 800;
}

.flow-list h3 {
  margin: 0;
  font-size: clamp(1.1rem, 0.98rem + 0.45vw, 1.42rem);
  font-weight: 750;
  letter-spacing: -0.02em;
}

.flow-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.flow-symbol {
  position: relative;
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  justify-self: end;
  color: var(--action);
  background: var(--surface-blue);
  border-radius: 16px 16px 16px 6px;
}

.flow-symbol svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.tools-section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  color: #d9e6ef;
  background: var(--ink-strong);
}

.tools-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(29rem, 1.22fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 7.5rem);
}

.tools-section .eyebrow {
  color: #8dc3f5;
}

.tool-copy h2 {
  color: #ffffff;
}

.tool-copy > p {
  margin-top: 20px;
  color: #aebdca;
}

.tool-list {
  display: grid;
  gap: 0;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid #34475b;
  list-style: none;
}

.tool-list li {
  display: grid;
  grid-template-columns: minmax(15.25rem, 0.85fr) 1fr;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid #34475b;
}

.tool-list code {
  color: #8dc3f5;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  overflow-wrap: anywhere;
}

.tool-list span {
  color: #c3cfd9;
  font-size: 0.78rem;
}

.console {
  overflow: hidden;
  background: #17293c;
  border: 1px solid #40566b;
  border-radius: 24px 24px 24px 9px;
  box-shadow: 0 24px 60px rgb(0 0 0 / 18%);
}

.console-bar {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 17px;
  background: #1f344a;
  border-bottom: 1px solid #40566b;
}

.console-dots {
  display: flex;
  gap: 6px;
}

.console-dots i {
  width: 7px;
  height: 7px;
  background: #64788b;
  border-radius: 50%;
}

.console-dots i:last-child {
  background: var(--accent);
}

.console-bar span {
  color: #93a5b5;
  font-family: var(--font-mono);
  font-size: 0.66rem;
}

.console pre {
  min-height: 27rem;
  margin: 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  overflow: auto;
  color: #cbd7e0;
  font-family: var(--font-mono);
  font-size: clamp(0.68rem, 0.62rem + 0.2vw, 0.78rem);
  line-height: 1.75;
}

.code-key {
  color: #8dc3f5;
}

.code-string {
  color: #f0cd84;
}

.code-muted {
  color: #879aac;
}

.architecture-section {
  padding: clamp(5rem, 9vw, 8.5rem) 0;
  background: var(--surface-blue);
}

.architecture-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(18rem, 0.7fr);
  align-items: end;
  gap: clamp(2rem, 8vw, 8rem);
}

.architecture-heading > p {
  color: #516477;
}

.architecture-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: clamp(3rem, 6vw, 5rem);
}

.architecture-map::before {
  position: absolute;
  top: 57px;
  right: 14%;
  left: 14%;
  border-top: 2px dashed #89a9c9;
  content: "";
}

.architecture-column {
  position: relative;
  z-index: 1;
  min-height: 284px;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--line-blue);
  border-radius: 20px 20px 20px 8px;
}

.architecture-icon {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  color: var(--action);
  background: var(--surface-blue);
  border: 1px solid var(--line-blue);
  border-radius: 16px 16px 16px 6px;
}

.architecture-icon svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.architecture-column h3 {
  margin: 28px 0 0;
  font-size: 1.1rem;
}

.architecture-column > p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.service-tags li {
  padding: 4px 8px;
  color: #43566a;
  background: #eef4fa;
  border: 1px solid #d0dfed;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.63rem;
  font-weight: 700;
}

.privacy-section {
  padding: clamp(4.5rem, 8vw, 7rem) 0 0;
}

.privacy-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(20rem, 1fr);
  gap: clamp(2.5rem, 8vw, 7rem);
  padding: clamp(2rem, 5vw, 4.5rem);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
}

.privacy-panel::after {
  position: absolute;
  right: -32px;
  bottom: -42px;
  width: 152px;
  height: 152px;
  background: var(--accent-soft);
  border-radius: 50%;
  content: "";
}

.privacy-copy > p {
  margin-top: 18px;
}

.privacy-list {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.privacy-list li {
  position: relative;
  padding: 16px 0 16px 29px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

.privacy-list li::before {
  position: absolute;
  top: 23px;
  left: 3px;
  width: 10px;
  height: 6px;
  border-bottom: 2px solid var(--success);
  border-left: 2px solid var(--success);
  content: "";
  transform: rotate(-45deg);
}

.privacy-list strong {
  color: var(--ink-strong);
}

.start-section {
  padding: clamp(5rem, 10vw, 9rem) 0;
}

.start-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(27rem, 1.14fr);
  align-items: start;
  gap: clamp(3rem, 8vw, 8rem);
}

.start-copy > p {
  margin-top: 20px;
}

.requirements {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.requirements li {
  position: relative;
  padding-left: 15px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 650;
}

.requirements li::before {
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  content: "";
}

.setup-panel {
  padding: clamp(1.4rem, 3vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px 22px 22px 9px;
}

.setup-label {
  margin: 0 0 15px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.command-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  min-height: 66px;
  padding: 10px 10px 10px 17px;
  color: #ffffff;
  background: var(--ink-strong);
  border-radius: 13px 13px 13px 5px;
}

.command-box code {
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  white-space: nowrap;
}

.copy-button {
  display: inline-flex;
  min-width: 82px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: #d9e6ef;
  background: #243a50;
  border: 1px solid #46617a;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 800;
}

.copy-button:hover,
.copy-button[data-copied="true"] {
  color: #ffffff;
  background: var(--action);
  border-color: var(--action-bright);
}

.copy-button svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.copy-status {
  min-height: 1.5em;
  margin: 8px 2px 0;
  color: var(--success);
  font-size: 0.7rem;
}

.setup-steps {
  display: grid;
  gap: 15px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.setup-steps li {
  display: grid;
  grid-template-columns: 29px 1fr;
  gap: 12px;
  color: var(--muted);
  font-size: 0.8rem;
}

.setup-steps span {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  color: var(--action);
  background: var(--surface-blue);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 850;
}

.setup-actions {
  display: flex;
  margin-top: 25px;
  align-items: center;
  gap: 18px;
}

.site-footer {
  color: #aebdca;
  background: var(--ink-strong);
}

.footer-layout {
  display: flex;
  min-height: 164px;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 13px;
}

.footer-brand img {
  width: 48px;
  height: 48px;
}

.footer-brand strong {
  color: #ffffff;
  font-size: 0.88rem;
}

.footer-brand p,
.footer-note {
  margin: 2px 0 0;
  font-size: 0.72rem;
}

.footer-meta {
  text-align: right;
}

.footer-links {
  display: flex;
  margin: 10px 0 0;
  justify-content: flex-end;
  gap: 18px;
}

.footer-links a {
  min-height: 32px;
  color: #d9e6ef;
  font-size: 0.7rem;
  text-underline-offset: 4px;
}

@keyframes event-pulse {
  0%,
  100% {
    transform: scale(0.82);
  }

  50% {
    transform: scale(1.28);
  }
}

@media (max-width: 64rem) {
  .hero-layout {
    grid-template-columns: minmax(0, 0.88fr) minmax(24rem, 1.12fr);
    gap: 3rem;
  }

  .flow-list li {
    grid-template-columns: 3rem minmax(11rem, 0.72fr) minmax(14rem, 1fr) 58px;
    gap: 1.5rem;
  }

  .tools-layout {
    gap: 3.5rem;
  }

  .tool-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (max-width: 52rem) {
  .header-inner {
    min-height: 70px;
  }

  .menu-toggle {
    display: inline-flex;
    order: 3;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: var(--gutter);
    left: var(--gutter);
    display: grid;
    gap: 0;
    padding: 9px 17px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 0 0 18px 7px;
    box-shadow: 0 16px 32px rgb(18 32 48 / 10%);
  }

  .site-nav[hidden] {
    display: none;
  }

  .site-nav a + a {
    border-top: 1px solid var(--line);
  }

  .hero-layout,
  .tools-layout,
  .architecture-heading,
  .privacy-panel,
  .start-layout {
    grid-template-columns: 1fr;
  }

  .hero-layout {
    gap: 4rem;
  }

  h1 {
    max-width: 10.5em;
  }

  .memory-figure {
    width: min(100%, 36rem);
    margin-inline: auto;
  }

  .section-heading {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 1.5rem;
  }

  .flow-list li {
    grid-template-columns: 2.8rem minmax(0, 1fr) 52px;
    gap: 1rem;
    padding: 22px 0;
  }

  .flow-list p {
    grid-column: 2 / -1;
  }

  .flow-symbol {
    grid-column: 3;
    grid-row: 1;
  }

  .tools-layout {
    gap: 3rem;
  }

  .tool-copy {
    max-width: 39rem;
  }

  .architecture-map {
    grid-template-columns: 1fr;
  }

  .architecture-map::before {
    top: 14%;
    right: auto;
    bottom: 14%;
    left: 46px;
    border-top: 0;
    border-left: 2px dashed #89a9c9;
  }

  .architecture-column {
    display: grid;
    min-height: 0;
    grid-template-columns: 56px 1fr;
    column-gap: 18px;
  }

  .architecture-column h3 {
    margin: 4px 0 0;
  }

  .architecture-column > p,
  .service-tags {
    grid-column: 2;
  }

  .privacy-panel,
  .start-layout {
    gap: 2.5rem;
  }
}

@media (max-width: 40rem) {
  .brand img {
    width: 44px;
    height: 44px;
  }

  .brand span {
    display: none;
  }

  .github-label {
    display: none;
  }

  .github-link {
    padding: 0;
  }

  .hero {
    padding-top: 2.5rem;
  }

  h1 {
    font-size: clamp(2.65rem, 13vw, 3.7rem);
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
  }

  .button,
  .hero-actions .text-link {
    justify-content: center;
  }

  .memory-figure {
    padding: 12px;
    border-radius: 24px 24px 24px 10px;
  }

  .memory-figure::before {
    top: -24px;
    right: 24px;
    width: 56px;
    height: 56px;
  }

  .memory-board {
    padding: 12px;
  }

  .contact-sheet {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }

  .frame:nth-child(n + 10) {
    display: none;
  }

  .agent-finding {
    width: 94%;
    margin-top: 2px;
  }

  .fact-list {
    grid-template-columns: 1fr;
  }

  .fact-list li {
    min-height: 112px;
  }

  .fact-list li + li {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .flow-list li {
    grid-template-columns: 2.4rem minmax(0, 1fr);
  }

  .flow-symbol {
    display: none;
  }

  .flow-list p {
    grid-column: 2;
  }

  .tool-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .console pre {
    min-height: 23rem;
  }

  .architecture-column {
    padding: 1.15rem;
  }

  .architecture-map::before {
    left: 41px;
  }

  .privacy-panel {
    border-radius: 22px 22px 22px 9px;
  }

  .command-box {
    grid-template-columns: 1fr;
    padding: 15px;
  }

  .copy-button {
    width: 100%;
  }

  .setup-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
  }

  .footer-layout {
    min-height: 0;
    padding: 34px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 25px;
  }

  .footer-meta {
    text-align: left;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}