:root {
  --ink: #171a1c;
  --ink-soft: #444a4e;
  --paper: #f2f1ec;
  --paper-bright: #fafaf7;
  --line: #c9cac4;
  --line-dark: #73797c;
  --steel: #2d6573;
  --steel-dark: #1f4b56;
  --steel-pale: #dce8e8;
  --signal: #bd5a2a;
  --signal-pale: #f2ded3;
  --success: #2d6651;
  --error: #9d2c26;
  --shadow: 0 20px 50px rgba(23, 26, 28, 0.09);
  --shell: min(1180px, calc(100% - 48px));
  --radius: 3px;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

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

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: #fff;
  background: var(--ink);
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(115, 121, 124, 0.45);
  background: rgba(242, 241, 236, 0.94);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.wordmark-mark {
  display: grid;
  width: 42px;
  height: 30px;
  place-items: center;
  border: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.concept-label {
  padding-left: 10px;
  border-left: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 13px;
  font-weight: 650;
}

.site-nav a {
  text-decoration: none;
}

.site-nav a:not(.nav-cta):hover {
  color: var(--steel);
}

.nav-cta {
  padding: 10px 15px;
  border: 1px solid var(--ink);
}

.nav-cta:hover {
  color: #fff;
  background: var(--ink);
}

.hero {
  overflow: hidden;
  padding: 94px 0 104px;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.78fr);
  align-items: center;
  gap: clamp(56px, 8vw, 112px);
}

.eyebrow,
.section-index {
  margin: 0 0 24px;
  color: var(--steel-dark);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border: 2px solid var(--steel);
  border-radius: 50%;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 28px;
  font-size: clamp(48px, 6.2vw, 82px);
  line-height: 0.99;
  letter-spacing: -0.055em;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

h3 {
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.hero-lede {
  max-width: 640px;
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
}

.button-primary {
  color: #fff;
  background: var(--ink);
}

.button-primary:hover {
  border-color: var(--steel);
  background: var(--steel-dark);
}

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

.text-link {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 650;
  text-underline-offset: 5px;
}

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

.offline-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 11px;
}

.offline-note span {
  color: var(--success);
  font-size: 9px;
}

.concept-panel {
  position: relative;
  border: 1px solid var(--line-dark);
  background: var(--paper-bright);
  box-shadow: var(--shadow);
}

.concept-panel::before,
.concept-panel::after {
  position: absolute;
  width: 18px;
  height: 18px;
  content: "";
  pointer-events: none;
}

.concept-panel::before {
  top: -7px;
  left: -7px;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.concept-panel::after {
  right: -7px;
  bottom: -7px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.panel-titlebar {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  padding: 0 15px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.panel-state {
  color: var(--signal);
}

.file-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 23px 18px;
  border-bottom: 1px solid var(--line);
}

.file-icon {
  display: grid;
  width: 46px;
  height: 52px;
  place-items: center;
  border: 1px solid var(--line-dark);
  color: var(--steel-dark);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 750;
}

.file-row strong,
.file-row span {
  display: block;
}

.file-row strong {
  overflow: hidden;
  font-family: var(--mono);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-row div span {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 11px;
}

.inspection-state {
  padding: 4px 7px;
  border: 1px solid var(--steel);
  color: var(--steel-dark);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
}

.readout-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0;
}

.readout-grid div {
  min-height: 100px;
  padding: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.readout-grid div:nth-child(2n) {
  border-right: 0;
}

.readout-grid dt {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.readout-grid dd {
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: 21px;
  font-weight: 700;
}

.integrity-readout {
  display: flex;
  align-items: center;
  gap: 13px;
  margin: 18px;
  padding: 13px;
  border-left: 3px solid var(--signal);
  background: var(--signal-pale);
}

.warning-symbol {
  display: grid;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--signal);
  color: var(--signal);
  font-family: var(--mono);
  font-weight: 800;
}

.integrity-readout strong,
.integrity-readout span {
  display: block;
}

.integrity-readout strong {
  font-size: 12px;
}

.integrity-readout div span {
  margin-top: 2px;
  color: var(--ink-soft);
  font-size: 10px;
}

.panel-caption {
  margin: 0;
  padding: 0 18px 17px;
  color: var(--ink-soft);
  font-size: 10px;
}

.problem-section,
.workflow-section,
.features-section,
.context-section,
.early-access-section {
  padding: 110px 0;
  border-bottom: 1px solid var(--line);
}

.section-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(54px, 9vw, 130px);
}

.section-intro p:not(.section-index),
.section-heading-row > p,
.context-grid > div p,
.form-intro > p {
  max-width: 560px;
  color: var(--ink-soft);
  font-size: 17px;
}

.problem-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.problem-list li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--line-dark);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 640;
  letter-spacing: -0.02em;
}

.problem-list li:last-child {
  border-bottom: 1px solid var(--line-dark);
}

.problem-list span {
  padding-top: 5px;
  color: var(--steel-dark);
  font-family: var(--mono);
  font-size: 10px;
}

.workflow-section,
.context-section {
  background: var(--paper-bright);
}

.section-heading-row {
  display: grid;
  grid-template-columns: 1.15fr 0.65fr;
  align-items: end;
  gap: 60px;
  margin-bottom: 58px;
}

.section-heading-row h2 {
  max-width: 700px;
  margin-bottom: 0;
}

.section-heading-row > p {
  margin-bottom: 6px;
}

.workflow {
  display: grid;
  grid-template-columns: 1fr 64px 1.12fr 64px 1fr;
  align-items: stretch;
}

.workflow-card {
  position: relative;
  display: flex;
  min-height: 240px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px;
  border: 1px solid var(--line-dark);
  background: var(--paper);
}

.bridge-card {
  color: #fff;
  border-color: var(--steel-dark);
  background: var(--steel-dark);
}

.workflow-card strong {
  display: block;
  margin-top: auto;
  font-size: clamp(21px, 2.3vw, 28px);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.workflow-card > span:not(.workflow-tag) {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 13px;
}

.bridge-card > span:not(.workflow-tag) {
  color: rgba(255, 255, 255, 0.7);
}

.workflow-tag {
  position: absolute;
  top: 22px;
  left: 24px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.workflow-arrow {
  display: grid;
  place-items: center;
  color: var(--line-dark);
  font-family: var(--mono);
  font-size: 25px;
}

.file-stack {
  position: absolute;
  top: 62px;
  right: 28px;
  width: 86px;
  height: 76px;
}

.file-stack i {
  position: absolute;
  display: block;
  width: 58px;
  height: 66px;
  border: 1px solid var(--line-dark);
  background: var(--paper-bright);
}

.file-stack i:nth-child(1) { left: 0; top: 10px; }
.file-stack i:nth-child(2) { left: 10px; top: 5px; }
.file-stack i:nth-child(3) { left: 20px; top: 0; }

.bridge-line {
  position: absolute;
  top: 68px;
  right: 28px;
  left: 28px;
  height: 52px;
  border-top: 1px solid rgba(255, 255, 255, 0.45);
  border-bottom: 1px solid rgba(255, 255, 255, 0.45);
}

.bridge-line::before,
.bridge-line::after,
.bridge-line i {
  position: absolute;
  top: -4px;
  width: 7px;
  height: 7px;
  border: 1px solid #fff;
  background: var(--steel-dark);
  content: "";
}

.bridge-line::before { left: 0; }
.bridge-line i { left: calc(50% - 4px); }
.bridge-line::after { right: 0; }

.format-row {
  position: absolute;
  top: 72px;
  right: 24px;
  left: 24px;
  display: flex;
  gap: 7px;
}

.format-row i {
  display: grid;
  min-width: 48px;
  height: 34px;
  flex: 1;
  place-items: center;
  border: 1px solid var(--line-dark);
  font-family: var(--mono);
  font-size: 8px;
  font-style: normal;
}

.integrity-section {
  padding: 80px 0;
  color: #fff;
  background: var(--ink);
}

.integrity-grid {
  display: grid;
  grid-template-columns: 0.34fr 1fr;
  align-items: center;
  gap: clamp(48px, 8vw, 110px);
}

.integrity-marker {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.integrity-marker span:last-child {
  text-align: right;
}

.integrity-marker strong {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  color: #fff;
  border: 2px solid var(--signal);
  font-size: 28px;
}

.integrity-copy .section-index {
  color: #89b0b8;
}

.integrity-copy h2 {
  max-width: 700px;
}

.integrity-copy > p:not(.section-index) {
  max-width: 780px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
}

.integrity-criteria {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.integrity-criteria span {
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.feature-grid article {
  position: relative;
  min-height: 205px;
  padding: 28px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  background: rgba(250, 250, 247, 0.38);
}

.feature-grid article > span {
  display: block;
  margin-bottom: 48px;
  color: var(--steel-dark);
  font-family: var(--mono);
  font-size: 10px;
}

.feature-grid article > span::after {
  float: right;
  padding: 3px 6px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  content: "PLANNED";
  font-size: 8px;
  letter-spacing: 0.08em;
}

.feature-grid h3 {
  margin-bottom: 8px;
}

.feature-grid p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.feature-grid .feature-highlight {
  color: #fff;
  background: var(--steel-dark);
}

.feature-highlight > span,
.feature-highlight p {
  color: rgba(255, 255, 255, 0.76) !important;
}

.feature-highlight > span::after {
  color: #fff !important;
  border-color: rgba(255, 255, 255, 0.45) !important;
  content: "PRIORITY" !important;
}

.context-grid {
  display: grid;
  grid-template-columns: 0.36fr 1fr;
  gap: 80px;
}

.context-grid h2 {
  max-width: 760px;
}

.early-access-section {
  padding-bottom: 130px;
}

.form-layout {
  display: grid;
  grid-template-columns: 0.62fr 1fr;
  align-items: start;
  gap: clamp(55px, 9vw, 130px);
}

.form-intro {
  position: sticky;
  top: 110px;
}

.privacy-note {
  display: flex;
  gap: 13px;
  margin-top: 38px;
  padding: 15px 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.privacy-note > span {
  color: var(--success);
  font-size: 25px;
}

.privacy-note p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

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

.early-access-form {
  position: relative;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line-dark);
  background: var(--paper-bright);
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 18px;
}

.field-full {
  grid-column: 1 / -1;
}

.field label,
fieldset legend {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 720;
}

.field label span {
  margin-left: 8px;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

input[type="email"],
select,
textarea {
  width: 100%;
  border: 1px solid var(--line-dark);
  border-radius: 0;
  color: var(--ink);
  background: #fff;
  outline: none;
}

input[type="email"],
select {
  height: 50px;
  padding: 0 13px;
}

textarea {
  min-height: 120px;
  padding: 13px;
  resize: vertical;
}

input[type="email"]:focus,
select:focus,
textarea:focus {
  border-color: var(--steel);
  box-shadow: 0 0 0 3px rgba(45, 101, 115, 0.14);
}

input[aria-invalid="true"] {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(157, 44, 38, 0.1);
}

.honeypot-field {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.field-error {
  min-height: 19px;
  margin: 5px 0 0;
  color: var(--error);
  font-size: 11px;
}

.form-errors {
  margin-bottom: 22px;
  padding: 12px 14px;
  border-left: 3px solid var(--error);
  color: var(--error);
  background: #f5dfdc;
  font-size: 12px;
}

fieldset {
  margin: 30px 0 0;
  padding: 0;
  border: 0;
}

fieldset legend {
  width: 100%;
  margin-bottom: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  line-height: 1.45;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.option-grid label {
  position: relative;
  cursor: pointer;
}

.option-grid input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.option-grid span {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 7px 8px;
  border: 1px solid var(--line-dark);
  color: var(--ink-soft);
  background: #fff;
  font-size: 11px;
  font-weight: 650;
  text-align: center;
}

.option-grid input:checked + span {
  color: #fff;
  border-color: var(--steel-dark);
  background: var(--steel-dark);
}

.option-grid input:focus-visible + span {
  outline: 3px solid rgba(45, 101, 115, 0.28);
  outline-offset: 2px;
}

.submit-button {
  width: 100%;
  margin-top: 32px;
}

.submit-button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.consent-field {
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.consent-field label {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.55;
  cursor: pointer;
}

.consent-field input {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  margin: 1px 0 0;
  accent-color: var(--steel-dark);
}

.consent-field input[aria-invalid="true"] {
  outline: 3px solid rgba(157, 44, 38, 0.18);
  outline-offset: 2px;
  box-shadow: none;
}

.consent-field a,
.footer-link {
  color: inherit;
  text-underline-offset: 3px;
}

.consent-field a:hover,
.footer-link:hover {
  color: var(--steel);
}

.form-status {
  display: none;
  margin: 14px 0 0;
  padding: 13px;
  border: 1px solid var(--success);
  color: var(--success);
  background: #e4eee8;
  font-size: 13px;
  font-weight: 650;
  white-space: pre-line;
}

.form-status.is-visible {
  display: block;
}

.form-status.is-error {
  border-color: var(--error);
  color: var(--error);
  background: #f5dfdc;
}

.privacy-hero {
  padding: 92px 0 74px;
  border-bottom: 1px solid var(--line);
}

.privacy-hero-grid {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  align-items: end;
  gap: clamp(48px, 8vw, 110px);
}

.privacy-hero h1 {
  margin-bottom: 0;
}

.privacy-hero-grid > p {
  max-width: 580px;
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 18px;
}

.privacy-content {
  padding: 100px 0 120px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-bright);
}

.privacy-content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.68fr);
  align-items: start;
  gap: clamp(54px, 8vw, 110px);
}

.privacy-sections {
  border-top: 1px solid var(--line-dark);
}

.privacy-block {
  padding: 36px 0 38px;
  border-bottom: 1px solid var(--line);
}

.privacy-block .section-index {
  margin-bottom: 14px;
}

.privacy-block h2,
.privacy-request-panel h2 {
  margin-bottom: 16px;
  font-size: clamp(26px, 3vw, 36px);
}

.privacy-block p,
.privacy-block li,
.privacy-request-panel > p:not(.section-index) {
  color: var(--ink-soft);
}

.privacy-block p:last-child {
  margin-bottom: 0;
}

.privacy-block ul {
  margin: 16px 0 0;
  padding-left: 20px;
}

.privacy-block li + li {
  margin-top: 8px;
}

.privacy-request-panel {
  position: sticky;
  top: 110px;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line-dark);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.privacy-request-form {
  position: relative;
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--line-dark);
}

.article-hero,
.resource-hero {
  padding: 88px 0 76px;
  border-bottom: 1px solid var(--line);
}

.article-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  align-items: end;
  gap: clamp(52px, 8vw, 110px);
}

.article-hero h1,
.resource-hero h1 {
  max-width: 920px;
  margin-bottom: 26px;
  font-size: clamp(44px, 5.8vw, 72px);
}

.article-lede,
.resource-lede {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: clamp(18px, 2vw, 21px);
}

.breadcrumb {
  margin: 0 0 24px;
  color: var(--steel-dark);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.breadcrumb a {
  text-underline-offset: 4px;
}

.article-meta {
  margin: 0;
  border-top: 1px solid var(--line-dark);
}

.article-meta div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.article-meta dt,
.article-meta dd {
  margin: 0;
  font-size: 11px;
}

.article-meta dt {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.article-meta dd {
  font-weight: 650;
}

.article-body,
.resources-section {
  padding: 92px 0 120px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-bright);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(220px, 280px);
  justify-content: space-between;
  align-items: start;
  gap: clamp(48px, 8vw, 100px);
}

.article-prose {
  min-width: 0;
}

.article-prose > section {
  scroll-margin-top: 92px;
  padding: 0 0 48px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--line);
}

.article-prose > section:last-child {
  margin-bottom: 0;
}

.article-prose h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 3.5vw, 43px);
}

.article-prose h3 {
  margin: 30px 0 10px;
  font-size: 20px;
}

.article-prose p,
.article-prose li {
  color: var(--ink-soft);
  font-size: 16px;
}

.article-prose strong {
  color: var(--ink);
}

.article-prose ul,
.article-prose ol {
  padding-left: 22px;
}

.article-prose li + li {
  margin-top: 9px;
}

.article-prose a,
.related-guides a,
.resource-card a {
  color: var(--steel-dark);
  text-underline-offset: 4px;
}

.guide-note {
  margin: 28px 0;
  padding: 18px 20px;
  border-left: 3px solid var(--signal);
  background: var(--signal-pale);
}

.guide-note p:last-child {
  margin-bottom: 0;
}

.guide-note-label {
  margin-bottom: 7px !important;
  color: var(--signal) !important;
  font-family: var(--mono);
  font-size: 9px !important;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.comparison-table-wrap {
  max-width: 100%;
  margin-top: 26px;
  overflow-x: auto;
  border: 1px solid var(--line-dark);
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  background: #fff;
}

.comparison-table th,
.comparison-table td {
  padding: 14px 15px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  text-align: left;
  vertical-align: top;
}

.comparison-table th:last-child,
.comparison-table td:last-child {
  border-right: 0;
}

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

.comparison-table th {
  color: #fff;
  background: var(--ink);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.code-block {
  max-width: 100%;
  margin: 20px 0 28px;
  overflow-x: auto;
  border: 1px solid var(--line-dark);
  background: var(--ink);
}

.code-block code {
  display: block;
  min-width: max-content;
  margin: 0;
  padding: 18px 20px;
  color: #edf1ed;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
}

.article-toc {
  position: sticky;
  top: 104px;
  padding: 22px;
  border-top: 3px solid var(--steel);
  background: var(--paper);
}

.article-toc strong {
  display: block;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-toc ol {
  margin: 0;
  padding-left: 19px;
}

.article-toc li + li {
  margin-top: 9px;
}

.article-toc a {
  color: var(--ink-soft);
  font-size: 12px;
  text-decoration: none;
}

.article-toc a:hover {
  color: var(--steel-dark);
  text-decoration: underline;
}

.article-cta {
  padding: clamp(25px, 4vw, 38px) !important;
  border: 1px solid var(--line-dark) !important;
  background: var(--paper) !important;
}

.article-cta h2 {
  max-width: 620px;
}

.article-cta .button {
  margin-top: 12px;
  color: #fff;
}

.related-guides {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.related-guides a {
  display: block;
  padding: 16px;
  border: 1px solid var(--line-dark);
  background: #fff;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.related-guides a:hover,
.resource-card:hover {
  border-color: var(--steel);
}

.references-list {
  padding-left: 0 !important;
  list-style: none;
}

.references-list li {
  padding: 13px 0;
  border-top: 1px solid var(--line);
  overflow-wrap: anywhere;
}

.references-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.resource-card {
  min-height: 330px;
  padding: 28px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  background: var(--paper);
}

.resource-card .section-index {
  margin-bottom: 70px;
}

.resource-card h2 {
  margin-bottom: 14px;
  font-size: 28px;
}

.resource-card p {
  color: var(--ink-soft);
  font-size: 14px;
}

.resource-card a {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  font-weight: 750;
}

.site-footer {
  padding: 42px 0;
  color: rgba(255, 255, 255, 0.72);
  background: var(--ink);
}

.footer-grid {
  display: grid;
  grid-template-columns: 0.35fr 1fr auto;
  align-items: start;
  gap: 44px;
}

.footer-wordmark {
  color: #fff;
}

.footer-wordmark .wordmark-mark {
  border-color: rgba(255, 255, 255, 0.7);
}

.site-footer p {
  margin: 4px 0 0;
  font-size: 11px;
}

.footer-state {
  font-family: var(--mono);
  font-size: 9px !important;
  letter-spacing: 0.06em;
  text-align: right;
  text-transform: uppercase;
}

:focus-visible {
  outline: 3px solid rgba(45, 101, 115, 0.35);
  outline-offset: 3px;
}

@media (max-width: 960px) {
  :root {
    --shell: min(100% - 40px, 780px);
  }

  .hero-grid,
  .section-grid,
  .form-layout,
  .privacy-hero-grid,
  .privacy-content-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 72px;
  }

  .hero-grid {
    gap: 64px;
  }

  .concept-panel {
    width: min(100%, 620px);
  }

  .section-heading-row,
  .context-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .workflow {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .workflow-arrow {
    min-height: 58px;
  }

  .workflow-arrow span {
    transform: rotate(90deg);
  }

  .workflow-card {
    min-height: 220px;
  }

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

  .integrity-marker {
    max-width: 360px;
  }

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

  .form-intro {
    position: static;
  }

  .privacy-request-panel {
    position: static;
    max-width: 620px;
  }

  .article-hero-grid,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-toc {
    position: static;
    grid-row: 1;
  }

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

  .resource-card {
    min-height: 0;
  }

  .resource-card .section-index {
    margin-bottom: 35px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

@media (max-width: 680px) {
  :root {
    --shell: calc(100% - 28px);
  }

  .header-inner {
    min-height: 64px;
  }

  .site-nav > a:not(.nav-cta) {
    display: none;
  }

  .nav-cta {
    padding: 8px 10px;
    font-size: 11px;
  }

  .concept-label {
    display: none;
  }

  .hero,
  .problem-section,
  .workflow-section,
  .features-section,
  .context-section,
  .early-access-section,
  .privacy-hero,
  .privacy-content,
  .article-hero,
  .resource-hero,
  .article-body,
  .resources-section {
    padding: 72px 0;
  }

  h1 {
    font-size: clamp(43px, 14vw, 60px);
  }

  h2 {
    font-size: 37px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 16px;
  }

  .button {
    width: 100%;
  }

  .text-link {
    align-self: flex-start;
  }

  .panel-titlebar {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
    padding-block: 10px;
  }

  .file-row {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .inspection-state {
    grid-column: 2;
    justify-self: start;
  }

  .problem-list li {
    grid-template-columns: 36px 1fr;
  }

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

  .integrity-marker {
    width: 100%;
  }

  .early-access-form {
    padding: 22px 16px;
  }

  .form-grid,
  .option-grid {
    grid-template-columns: 1fr;
  }

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

  .three-options,
  .radio-options {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .section-heading-row {
    margin-bottom: 40px;
  }

  .article-hero h1,
  .resource-hero h1 {
    font-size: clamp(40px, 12vw, 54px);
  }

  .article-meta div {
    grid-template-columns: 78px 1fr;
  }

  .article-toc {
    padding: 18px;
  }

  .article-prose > section {
    padding-bottom: 38px;
    margin-bottom: 38px;
  }

  .related-guides {
    grid-template-columns: 1fr;
  }

  .comparison-table {
    min-width: 590px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}