:root {
  --paper: #f7f8f6;
  --white: #ffffff;
  --ink: #131c29;
  --muted: #66707d;
  --line: #dce1e4;
  --line-dark: #2e3944;
  --teal: #087f73;
  --teal-dark: #075f58;
  --mint: #d8f0e9;
  --yellow: #f1c84b;
  --blue: #4b88e7;
  --panel: #101b24;
  --panel-2: #17242e;
  --shadow: 0 18px 50px rgba(17, 28, 39, 0.08);
  --radius: 6px;
  --content: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

svg {
  width: 1em;
  height: 1em;
  stroke-width: 1.8;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(24px, calc((100vw - var(--content)) / 2));
  border-bottom: 1px solid rgba(220, 225, 228, 0.92);
  background: rgba(247, 248, 246, 0.92);
  backdrop-filter: blur(16px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  font-size: 18px;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid #9dd3c8;
  border-radius: 6px;
  background: var(--mint);
  color: var(--teal-dark);
  box-shadow: 3px 3px 0 var(--yellow);
}

.brand-mark svg {
  width: 18px;
  height: 18px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #596371;
  font-size: 14px;
  font-weight: 500;
}

.desktop-nav a {
  position: relative;
  padding: 24px 0;
  transition: color 180ms ease;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible {
  color: var(--ink);
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
  transform: scaleX(1);
}

.menu-button {
  display: none;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
}

.menu-button svg {
  width: 20px;
  height: 20px;
}

.mobile-nav {
  position: fixed;
  z-index: 29;
  inset: 70px 0 auto;
  display: none;
  padding: 18px 24px 26px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.mobile-nav a {
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 600px;
  padding: 88px 24px 72px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.hero-grid {
  position: absolute;
  inset: 48px max(24px, calc((100vw - var(--content)) / 2)) auto;
  height: 430px;
  border-top: 1px solid #e4e7e6;
  border-right: 1px solid #e4e7e6;
  border-left: 1px solid #e4e7e6;
  opacity: 0.72;
}

.hero-grid::before,
.hero-grid::after {
  position: absolute;
  content: "";
  background: #e4e7e6;
}

.hero-grid::before {
  top: 0;
  bottom: 0;
  left: 67%;
  width: 1px;
}

.hero-grid::after {
  top: 47%;
  right: 0;
  left: 0;
  height: 1px;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(100%, var(--content));
  margin: 0 auto;
}

.eyebrow,
.section-kicker,
.mono-label {
  font-family: "DM Mono", monospace;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--teal-dark);
  font-size: 12px;
  font-weight: 500;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3cd080;
  box-shadow: 0 0 0 4px rgba(60, 208, 128, 0.12);
}

.hero h1 {
  max-width: 1000px;
  margin: 24px 0 20px;
  font-size: clamp(48px, 6vw, 82px);
  line-height: 1.08;
  font-weight: 800;
}

.hero h1 span {
  color: var(--teal-dark);
}

.hero-copy {
  max-width: 720px;
  margin: 0;
  color: #596574;
  font-size: 18px;
  line-height: 1.9;
}

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

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button svg {
  width: 17px;
  height: 17px;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(19, 28, 41, 0.16);
}

.button-primary:hover {
  box-shadow: 0 12px 24px rgba(19, 28, 41, 0.22);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.8);
}

.mono-label,
.section-kicker {
  color: #75808c;
  font-size: 11px;
  font-weight: 500;
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 28px 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: var(--white);
}

.signal-strip div {
  padding: 0 24px;
  border-right: 1px solid var(--line);
}

.signal-strip div:last-child {
  border-right: 0;
}

.signal-strip span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12px;
}

.signal-strip strong {
  font-size: 16px;
}

.section {
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 108px 24px;
}

.section-heading {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 80px;
  align-items: end;
  margin-bottom: 54px;
}

.section-kicker {
  display: inline-block;
  margin-bottom: 15px;
  color: var(--teal);
}

.section-heading h2,
.value-header h2,
.transparency-copy h2,
.capability-intro h2,
.oversight-heading h2,
.closing-inner h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.2;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.modes-section {
  padding-bottom: 84px;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.mode-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 16px 44px rgba(17, 28, 39, 0.05);
}

.mode-card-official {
  border-color: #263642;
  background: var(--panel);
  color: var(--white);
}

.mode-card-head {
  display: flex;
  min-height: 66px;
  align-items: center;
  gap: 11px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
}

.mode-card-official .mode-card-head {
  border-bottom-color: #34424d;
}

.mode-icon {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: #23483f;
  color: #7be0c8;
}

.mode-icon-owner {
  background: #e7f2ef;
  color: var(--teal-dark);
}

.mode-icon svg {
  width: 17px;
  height: 17px;
}

.mode-label {
  color: #7d8992;
  font-family: "DM Mono", monospace;
  font-size: 10px;
}

.mode-card-official .mode-label {
  color: #8fa49f;
}

.mode-title-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 28px 18px;
}

.mode-title-row > div:first-child > span {
  color: #78838d;
  font-size: 11px;
}

.mode-title-row h3 {
  margin: 3px 0 0;
  font-size: 30px;
}

.mode-price {
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.mode-price strong {
  color: #74dbc3;
  font-family: "DM Mono", monospace;
  font-size: 38px;
  line-height: 1;
}

.mode-price strong small {
  font-size: 17px;
}

.mode-price > span {
  color: #90a0aa;
  font-size: 11px;
}

.mode-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 11px;
  border: 1px solid #cbd5d4;
  border-radius: var(--radius);
  color: var(--teal-dark);
  font-size: 12px;
  font-weight: 600;
}

.mode-custom svg {
  width: 15px;
  height: 15px;
}

.mode-summary {
  min-height: 72px;
  margin: 0;
  padding: 0 28px 24px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.mode-card-official .mode-summary {
  color: #9fadb7;
}

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

.mode-card-official .mode-facts {
  border-top-color: #34424d;
}

.mode-facts > div {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
}

.mode-facts > div:last-child {
  border-bottom: 0;
}

.mode-card-official .mode-facts > div {
  border-bottom-color: #34424d;
}

.mode-facts span {
  color: #7b8690;
  font-size: 12px;
}

.mode-facts strong {
  font-size: 13px;
  text-align: right;
}

.principle-list {
  border-top: 1px solid var(--ink);
}

.principle {
  display: grid;
  grid-template-columns: 48px 54px 1fr auto;
  gap: 22px;
  align-items: center;
  min-height: 128px;
  padding: 24px 6px;
  border-bottom: 1px solid var(--line);
  transition: background 180ms ease, padding 180ms ease;
}

.principle:hover {
  padding-right: 18px;
  padding-left: 18px;
  background: var(--white);
}

.principle-no,
.principle-tag,
.capability-number {
  color: #8d969f;
  font-family: "DM Mono", monospace;
  font-size: 11px;
}

.principle-icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid #badbd4;
  border-radius: 6px;
  background: #e6f4f0;
  color: var(--teal-dark);
}

.principle-icon svg {
  width: 21px;
  height: 21px;
}

.principle h3,
.capability h3,
.value-point h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.principle p,
.capability p,
.value-point p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.principle-tag {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 99px;
}

.oversight-band {
  background: var(--panel);
  color: var(--white);
}

.oversight-inner {
  display: grid;
  grid-template-columns: 0.68fr 1.32fr;
  gap: 72px;
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 108px 24px;
}

.oversight-heading h2 {
  margin-bottom: 22px;
}

.oversight-heading p {
  max-width: 420px;
  margin: 0;
  color: #9faeba;
  font-size: 15px;
  line-height: 1.9;
}

.oversight-console {
  overflow: hidden;
  border: 1px solid #3a4853;
  border-radius: var(--radius);
  background: #14212b;
}

.oversight-console-head {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  border-bottom: 1px solid #34424d;
  color: #9fadb7;
  font-size: 12px;
}

.oversight-console-head strong {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #bfeadd;
  font-weight: 600;
}

.access-path {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1.3fr;
  gap: 13px;
  align-items: center;
  padding: 26px 22px;
  border-bottom: 1px solid #34424d;
}

.access-node {
  display: flex;
  min-height: 116px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid #3a4a55;
  border-radius: var(--radius);
  background: #182731;
  text-align: center;
}

.access-node > span {
  display: grid;
  width: 34px;
  height: 34px;
  margin-bottom: 4px;
  place-items: center;
  border-radius: 50%;
  background: #223641;
  color: #73d6be;
}

.access-node small,
.access-targets small {
  color: #788b97;
  font-family: "DM Mono", monospace;
  font-size: 9px;
}

.access-node strong {
  font-size: 13px;
}

.access-node-accent {
  border-color: #2c8b78;
  background: #12372f;
}

.access-node-accent > span {
  background: #1c5549;
  color: #9be8d5;
}

.access-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  color: #68808c;
}

.access-link small {
  color: #71838e;
  font-size: 9px;
  white-space: nowrap;
}

.access-targets {
  display: grid;
  gap: 8px;
}

.access-targets > div {
  display: flex;
  min-height: 54px;
  align-items: center;
  gap: 11px;
  padding: 9px 12px;
  border: 1px solid #3a4a55;
  border-radius: var(--radius);
  background: #182731;
}

.access-targets > div > svg {
  color: #73d6be;
}

.access-targets span {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.access-targets strong {
  font-size: 12px;
}

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

.oversight-rules > div {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  min-height: 110px;
  padding: 20px;
  border-right: 1px solid #34424d;
  border-bottom: 1px solid #34424d;
}

.oversight-rules > div:nth-child(even) {
  border-right: 0;
}

.oversight-rules span {
  color: #5cc9b0;
  font-family: "DM Mono", monospace;
  font-size: 10px;
}

.oversight-rules p {
  margin: 0;
  color: #9fadb7;
  font-size: 12px;
  line-height: 1.75;
}

.oversight-rules p strong {
  display: block;
  margin-bottom: 4px;
  color: #eff6f4;
  font-size: 13px;
}

.boundary-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 16px 20px;
  background: #102d28;
  color: #a9cec5;
  font-size: 11px;
  line-height: 1.7;
}

.boundary-note svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  margin-top: 1px;
  color: #5bd0b5;
}

.boundary-note strong {
  color: #dff5ef;
}

.section-compare {
  padding-top: 70px;
}

.comparison-wrap {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 16px 44px rgba(17, 28, 39, 0.05);
}

.comparison-row {
  display: grid;
  grid-template-columns: 0.72fr 1fr 1.16fr;
}

.comparison-row > div {
  display: flex;
  min-height: 72px;
  align-items: center;
  gap: 10px;
  padding: 15px 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: #69737f;
  font-size: 14px;
}

.comparison-row:last-child > div {
  border-bottom: 0;
}

.comparison-row > div:last-child {
  border-right: 0;
}

.comparison-row > div:first-child {
  color: var(--ink);
  font-weight: 700;
}

.comparison-row svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.comparison-row .ours {
  background: #eef7f4;
  color: #125f55;
  font-weight: 600;
}

.comparison-row .ours > svg {
  color: var(--teal);
}

.comparison-head > div {
  min-height: 60px;
  background: #f1f3f2;
  color: #56606b;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
}

.comparison-head .ours {
  background: var(--teal-dark);
  color: white;
}

.tiny-mark {
  display: grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border-radius: 4px;
  background: var(--mint);
  color: var(--teal-dark);
}

.tiny-mark svg {
  width: 14px;
  height: 14px;
}

.muted-icon {
  color: #aab1b7;
}

.capability-band {
  background: var(--panel);
  color: var(--white);
}

.capability-inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 88px;
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 108px 24px;
}

.section-kicker-light {
  color: #64cbb4;
}

.capability-intro h2 {
  margin-bottom: 22px;
}

.capability-intro p {
  max-width: 420px;
  margin: 0;
  color: #9faeba;
  font-size: 15px;
  line-height: 1.9;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid #35424d;
  border-left: 1px solid #35424d;
}

.capability {
  position: relative;
  min-height: 225px;
  padding: 28px;
  border-right: 1px solid #35424d;
  border-bottom: 1px solid #35424d;
  transition: background 180ms ease;
}

.capability:hover {
  background: var(--panel-2);
}

.capability > svg {
  width: 27px;
  height: 27px;
  margin: 28px 0 20px;
  color: #62d0b6;
}

.capability-number {
  position: absolute;
  top: 24px;
  right: 25px;
  color: #71818e;
}

.capability p {
  color: #9faeba;
}

.value-section {
  padding-bottom: 88px;
}

.value-header {
  margin-bottom: 54px;
}

.value-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.value-statement {
  position: relative;
  min-height: 310px;
  padding: 60px 48px 45px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.quote-mark {
  position: absolute;
  top: 12px;
  left: 34px;
  color: var(--yellow);
  font-family: Georgia, serif;
  font-size: 92px;
  line-height: 1;
}

.value-statement p {
  position: relative;
  z-index: 1;
  margin: 40px 0 0;
  font-size: 29px;
  font-weight: 700;
  line-height: 1.65;
}

.value-points {
  border-top: 1px solid var(--ink);
}

.value-point {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 20px;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
}

.value-point > span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: white;
}

.value-point svg {
  width: 19px;
  height: 19px;
}

.transparency-section {
  padding-top: 30px;
}

.transparency-box {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 70px;
  align-items: center;
  padding: 60px;
  border: 1px solid #a9d5ca;
  border-radius: var(--radius);
  background: #e8f4f0;
}

.transparency-copy h2 {
  margin-bottom: 20px;
  font-size: 38px;
}

.transparency-copy p {
  margin: 0;
  color: #4e6863;
  font-size: 15px;
  line-height: 1.9;
}

.flow-visual {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: center;
}

.flow-node {
  display: flex;
  min-width: 118px;
  min-height: 132px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border: 1px solid #b7d4ce;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}

.flow-node span {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 50%;
  background: var(--white);
  color: var(--teal-dark);
}

.flow-node-accent {
  border-color: var(--teal);
  background: var(--teal-dark);
  color: white;
}

.flow-node-accent span {
  background: #317d73;
  color: white;
}

.flow-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  color: #568077;
}

.flow-arrow small {
  white-space: nowrap;
  color: #718a84;
  font-size: 9px;
}

.message-section {
  background: var(--panel);
  color: var(--white);
}

.message-inner {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 86px;
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 108px 24px;
}

.message-intro h2 {
  margin: 0 0 22px;
  font-size: clamp(34px, 4vw, 50px);
  line-height: 1.24;
}

.message-intro > p {
  max-width: 440px;
  margin: 0;
  color: #9fadb7;
  font-size: 14px;
  line-height: 1.9;
}

.privacy-points {
  margin-top: 38px;
  border-top: 1px solid #34424d;
}

.privacy-points > div {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 13px;
  align-items: center;
  min-height: 70px;
  border-bottom: 1px solid #34424d;
}

.privacy-points svg {
  width: 19px;
  height: 19px;
  color: #65ceb6;
}

.privacy-points span {
  color: #82919c;
  font-size: 12px;
}

.privacy-points strong {
  display: block;
  margin-bottom: 3px;
  color: #ecf5f2;
  font-size: 13px;
}

.message-form-wrap {
  min-height: 540px;
  padding: 30px;
  border: 1px solid #3a4853;
  border-radius: var(--radius);
  background: #14212b;
}

.message-form {
  display: grid;
  gap: 22px;
}

.form-row {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 14px;
}

.field {
  display: grid;
  gap: 9px;
}

.field > span,
.mode-choice legend {
  color: #b9c4cb;
  font-size: 12px;
  font-weight: 600;
}

.field > span small {
  color: #71818c;
  font-weight: 400;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid #3d4b56;
  border-radius: var(--radius);
  outline: none;
  background: #101b24;
  color: #eff6f4;
  font: inherit;
  font-size: 13px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.field input,
.field select {
  height: 46px;
  padding: 0 13px;
}

.field textarea {
  min-height: 126px;
  resize: vertical;
  padding: 13px;
  line-height: 1.7;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #667682;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: #54b9a3;
  box-shadow: 0 0 0 3px rgba(84, 185, 163, 0.12);
}

.field select {
  color-scheme: dark;
}

.field-message {
  position: relative;
}

.character-count {
  position: absolute;
  right: 11px;
  bottom: 9px;
  color: #61717c;
  font-family: "DM Mono", monospace;
  font-size: 9px;
}

.mode-choice {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 0;
  padding: 0;
  border: 0;
}

.mode-choice legend {
  grid-column: 1 / -1;
  margin-bottom: 9px;
}

.mode-choice label {
  cursor: pointer;
}

.mode-choice input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.mode-choice label > span {
  display: flex;
  min-height: 43px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid #3d4b56;
  border-radius: var(--radius);
  color: #9eabb5;
  font-size: 12px;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.mode-choice label > span svg {
  width: 15px;
  height: 15px;
}

.mode-choice input:checked + span {
  border-color: #35927f;
  background: #12372f;
  color: #c6eee4;
}

.mode-choice input:focus-visible + span {
  box-shadow: 0 0 0 3px rgba(84, 185, 163, 0.18);
}

.consent-field {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #8998a2;
  font-size: 11px;
  line-height: 1.6;
  cursor: pointer;
}

.consent-field input {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  margin: 1px 0 0;
  accent-color: var(--teal);
}

.message-submit {
  display: flex;
  width: 100%;
  height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: var(--radius);
  background: #d9eee8;
  color: #0a5c52;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background 160ms ease, transform 160ms ease;
}

.message-submit:hover {
  background: #c7e7de;
  transform: translateY(-1px);
}

.message-submit svg {
  width: 16px;
  height: 16px;
}

.message-success {
  min-height: 478px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 36px;
  text-align: center;
}

.message-success:not([hidden]) {
  display: flex;
}

.message-success > span {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 1px solid #398d7b;
  border-radius: 50%;
  background: #12372f;
  color: #70d7bf;
}

.message-success > span svg {
  width: 23px;
  height: 23px;
}

.message-success h3 {
  margin: 20px 0 10px;
  font-size: 22px;
}

.message-success p {
  max-width: 400px;
  margin: 0;
  color: #91a0aa;
  font-size: 13px;
  line-height: 1.8;
}

.message-success button {
  margin-top: 24px;
  padding: 9px 16px;
  border: 1px solid #46545e;
  border-radius: var(--radius);
  background: transparent;
  color: #e5eeeb;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.disclaimer-section {
  padding: 0 24px 48px;
}

.disclaimer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 22px;
  align-items: center;
  width: min(100%, calc(var(--content) - 48px));
  margin: 0 auto;
  padding: 28px 30px;
  border-top: 1px solid #d5b866;
  border-bottom: 1px solid #d5b866;
  background: #fbf7e9;
}

.disclaimer-icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid #dbc77d;
  border-radius: 50%;
  background: #fffdf5;
  color: #8b6813;
}

.disclaimer-icon svg {
  width: 21px;
  height: 21px;
}

.disclaimer-copy .section-kicker {
  margin-bottom: 6px;
  color: #8b6813;
}

.disclaimer-copy h2 {
  margin: 0 0 8px;
  font-size: 20px;
}

.disclaimer-copy p {
  max-width: 820px;
  margin: 0;
  color: #6b624c;
  font-size: 13px;
  line-height: 1.8;
}

.disclaimer-tag {
  padding: 7px 10px;
  border: 1px solid #d8c685;
  border-radius: 99px;
  color: #755a15;
  font-size: 11px;
  white-space: nowrap;
}

.closing-section {
  padding: 32px 24px 0;
}

.closing-inner {
  display: grid;
  grid-template-columns: 1fr 0.85fr auto;
  gap: 70px;
  align-items: end;
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 64px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--ink);
  color: white;
}

.eyebrow-dark {
  margin-bottom: 18px;
  color: #83d7c5;
}

.closing-inner p {
  margin: 0;
  color: #aeb8c2;
  font-size: 15px;
  line-height: 1.9;
}

.button-light {
  border-color: #3e4853;
  background: #26313c;
  color: white;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 30px max(24px, calc((100vw - var(--content)) / 2));
  border-top: 1px solid #313a44;
  background: var(--ink);
  color: #aeb8c2;
  font-size: 12px;
}

.brand-mark-small {
  width: 28px;
  height: 28px;
  box-shadow: 2px 2px 0 var(--yellow);
}

.footer-brand {
  color: white;
  font-size: 14px;
}

footer p {
  margin: 0;
}

footer .mono-label {
  color: #6f7c88;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .button,
  .principle { transition: none; }
}

@media (max-width: 980px) {
  .hero { padding-top: 70px; }
  .section-heading { grid-template-columns: 1fr; gap: 20px; }
  .oversight-inner { grid-template-columns: 1fr; gap: 50px; }
  .oversight-heading p { max-width: 650px; }
  .message-inner { grid-template-columns: 1fr; gap: 50px; }
  .message-intro > p { max-width: 650px; }
  .privacy-points { display: grid; grid-template-columns: repeat(3, 1fr); }
  .privacy-points > div { padding: 0 12px; border-right: 1px solid #34424d; }
  .privacy-points > div:last-child { border-right: 0; }
  .capability-inner { grid-template-columns: 1fr; gap: 54px; }
  .value-layout { gap: 38px; }
  .transparency-box { grid-template-columns: 1fr; gap: 44px; }
  .closing-inner { grid-template-columns: 1fr 1fr; gap: 38px; }
  .closing-inner .button { width: max-content; }
}

@media (max-width: 760px) {
  .site-header { height: 64px; padding: 0 18px; }
  .desktop-nav { display: none; }
  .menu-button { display: grid; }
  .mobile-nav { inset: 64px 0 auto; }
  .mobile-nav.is-open { display: grid; }

  .hero {
    min-height: auto;
    padding: 56px 18px 48px;
  }

  .hero-grid { inset: 30px 18px auto; height: 390px; }
  .hero h1 { margin-top: 20px; font-size: 46px; }
  .hero-copy { font-size: 16px; line-height: 1.8; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }

  .signal-strip { grid-template-columns: repeat(2, 1fr); padding: 0; }
  .signal-strip div { padding: 21px 18px; border-bottom: 1px solid var(--line); }
  .signal-strip div:nth-child(2) { border-right: 0; }
  .signal-strip div:nth-child(n+3) { border-bottom: 0; }

  .section { padding: 78px 18px; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2,
  .value-header h2,
  .capability-intro h2,
  .closing-inner h2 { font-size: 36px; }
  .mode-grid { grid-template-columns: 1fr; }
  .mode-summary { min-height: 0; }
  .mode-card-head { padding: 0 18px; }
  .mode-title-row { padding: 26px 20px 16px; }
  .mode-summary { padding: 0 20px 22px; }
  .mode-facts > div { padding: 0 20px; }
  .principle { grid-template-columns: 32px 44px 1fr; gap: 12px; padding: 22px 0; }
  .principle-icon { width: 40px; height: 40px; }
  .principle-tag { display: none; }
  .principle p { font-size: 13px; }

  .oversight-inner { padding: 78px 18px; }
  .oversight-heading h2 { font-size: 36px; }
  .access-path { grid-template-columns: 1fr; padding: 22px 18px; }
  .access-node { min-height: 104px; }
  .access-link { transform: rotate(90deg); }
  .access-link small { display: none; }
  .access-targets { grid-template-columns: repeat(2, 1fr); }
  .oversight-rules { grid-template-columns: 1fr; }
  .oversight-rules > div,
  .oversight-rules > div:nth-child(even) { border-right: 0; }

  .comparison-wrap { overflow: hidden; }
  .comparison-row { grid-template-columns: 1fr 1fr; }
  .comparison-row > div { min-height: 92px; align-items: flex-start; padding: 15px 14px; line-height: 1.65; }
  .comparison-row > div:first-child {
    grid-column: 1 / -1;
    min-height: 52px;
    border-right: 0;
    background: #f6f7f6;
  }
  .comparison-head > div { min-height: 54px; align-items: center; }
  .comparison-head > div:first-child { display: none; }
  .comparison-head > div:nth-child(2) { border-bottom: 1px solid var(--line); }
  .comparison-head .ours { border-bottom-color: var(--teal-dark); }

  .capability-inner { padding: 78px 18px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability { min-height: 200px; }

  .value-layout { grid-template-columns: 1fr; }
  .value-statement { min-height: auto; padding: 54px 30px 34px; }
  .value-statement p { font-size: 24px; }

  .transparency-section { padding-top: 12px; }
  .transparency-box { padding: 34px 24px; }
  .transparency-copy h2 { font-size: 32px; }
  .flow-visual { grid-template-columns: 1fr; }
  .flow-node { min-height: 100px; }
  .flow-arrow { transform: rotate(90deg); }
  .flow-arrow small { display: none; }

  .message-inner { padding: 78px 18px; }
  .message-intro h2 { font-size: 36px; }
  .privacy-points { grid-template-columns: 1fr; }
  .privacy-points > div { padding: 0; border-right: 0; }
  .message-form-wrap { min-height: 0; padding: 22px 18px; }
  .form-row { grid-template-columns: 1fr; }
  .mode-choice { grid-template-columns: 1fr; }
  .message-success { min-height: 430px; padding: 24px 10px; }

  .disclaimer-section { padding: 0 18px 36px; }
  .disclaimer-inner {
    grid-template-columns: 42px 1fr;
    gap: 14px;
    width: 100%;
    padding: 24px 18px;
  }
  .disclaimer-icon { width: 40px; height: 40px; }
  .disclaimer-tag { grid-column: 2; width: max-content; }

  .closing-section { padding: 12px 0 0; }
  .closing-inner { grid-template-columns: 1fr; padding: 50px 24px; border-radius: 0; }
  .closing-inner .button { width: 100%; }
  footer { flex-direction: column; align-items: flex-start; padding: 30px 24px; }
}

@media (max-width: 390px) {
  .hero h1 { font-size: 34px; }
  .hero-copy { font-size: 15px; }
  .signal-strip strong { font-size: 14px; }
  .principle { grid-template-columns: 28px 1fr; }
  .principle-icon { display: none; }
}