:root {
  --sky-day: #8cbedd;
  --sky-horizon: #cfe2ec;
  --sky-dusk: #3d4e76;
  --sky-night: #0a1526;
  --sky-zenith: #050b16;
  --sunset-low: #e8925c;
  --sunset-high: #9a5e86;
  --sea-day: #1d5c82;
  --sea-deep: #123a55;
  --sea-night: #0b1b2b;
  --foam: #d8eaf2;
  --deck: #8a6440;
  --deck-shadow: #5e4229;
  --hull: #2e3742;
  --canvas: #e4dcc8;
  --canvas-shade: #bfb49a;
  --rope: #b39b6e;
  --parchment: #e6d9bc;
  --parchment-edge: #c9b992;
  --ink: #241c14;
  --ink-faint: #6b5b45;
  --brass: #c8a032;
  --brass-dark: #7a6220;
  --panel: #16202b;
  --panel-raised: #223040;
  --panel-edge: #0a1119;
  --good: #6fa86a;
  --text: #e8e2d4;
  --text-dim: #93a0ac;
  --max-width: 1160px;
  --font: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--sky-night);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

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

:focus-visible {
  outline: 3px solid var(--brass);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 8px 12px;
  color: var(--ink);
  background: var(--brass);
  transform: translateY(-160%);
}

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

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 50%;
  display: flex;
  width: min(calc(100% - 48px), var(--max-width));
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgb(232 226 212 / 20%);
  transform: translateX(-50%);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--text);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.28em;
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
  margin-right: 13px;
  border: 1px solid rgb(232 226 212 / 35%);
}

.site-header nav,
.site-footer nav {
  display: flex;
  gap: 34px;
}

.site-header nav a,
.site-footer nav a {
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-header nav a:hover,
.site-header nav a[aria-current="page"],
.site-footer nav a:hover {
  color: var(--text);
}

.hero {
  position: relative;
  min-height: 780px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgb(5 11 22 / 18%) 0%, transparent 35%),
    linear-gradient(180deg, var(--sky-zenith) 0%, var(--sky-night) 33%, var(--sky-dusk) 68%, var(--sunset-high) 84%, var(--sunset-low) 100%);
}

.stars,
.stars::before,
.stars::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background-repeat: no-repeat;
}

.stars {
  opacity: 0.75;
  background-image:
    linear-gradient(var(--foam), var(--foam)),
    linear-gradient(var(--text-dim), var(--text-dim)),
    linear-gradient(var(--foam), var(--foam)),
    linear-gradient(var(--text-dim), var(--text-dim)),
    linear-gradient(var(--foam), var(--foam)),
    linear-gradient(var(--text-dim), var(--text-dim));
  background-position: 8% 24%, 21% 15%, 36% 29%, 63% 14%, 78% 24%, 92% 12%;
  background-size: 4px 4px, 6px 4px, 4px 4px, 4px 6px, 6px 6px, 4px 4px;
}

.stars::before {
  opacity: 0.6;
  background-image:
    linear-gradient(var(--foam), var(--foam)),
    linear-gradient(var(--foam), var(--foam)),
    linear-gradient(var(--text-dim), var(--text-dim)),
    linear-gradient(var(--foam), var(--foam)),
    linear-gradient(var(--text-dim), var(--text-dim));
  background-position: 15% 39%, 31% 11%, 48% 25%, 71% 35%, 87% 31%;
  background-size: 3px 3px, 5px 5px, 4px 4px, 4px 4px, 6px 3px;
}

.stars::after {
  top: 118px;
  right: 12%;
  bottom: auto;
  left: auto;
  width: 54px;
  height: 54px;
  opacity: 0.9;
  background:
    linear-gradient(90deg, transparent 22px, rgb(200 160 50 / 35%) 22px 32px, transparent 32px),
    linear-gradient(transparent 22px, rgb(200 160 50 / 35%) 22px 32px, transparent 32px),
    linear-gradient(135deg, transparent 42%, var(--brass) 42% 58%, transparent 58%),
    linear-gradient(45deg, transparent 42%, var(--brass) 42% 58%, transparent 58%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  width: min(calc(100% - 48px), var(--max-width));
  min-height: 720px;
  margin: 0 auto;
  padding: 150px 0 110px;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.72fr);
  gap: 90px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 17px;
  color: var(--brass);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.2em;
  line-height: 1.4;
}

.hero h1,
.document-hero h1,
.support-hero h1 {
  margin: 0;
  font-size: clamp(3.3rem, 7vw, 6.6rem);
  font-weight: 800;
  letter-spacing: -0.075em;
  line-height: 0.94;
}

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

.lede {
  max-width: 650px;
  margin: 30px 0 0;
  color: var(--text);
  font-family: ui-serif, Georgia, serif;
  font-size: 19px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 37px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 19px;
  border: 2px solid;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.13em;
  line-height: 1.2;
  text-decoration: none;
  box-shadow: 4px 4px 0 var(--panel-edge);
  transition: transform 120ms ease, box-shadow 120ms ease, color 120ms ease, background 120ms ease;
}

.button:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--panel-edge);
}

.button-primary {
  border-color: var(--brass-dark);
  color: var(--ink);
  background: var(--brass);
}

.button-secondary {
  border-color: rgb(232 226 212 / 55%);
  color: var(--text);
  background: rgb(10 21 38 / 45%);
}

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

.button-ink {
  border-color: var(--ink);
  color: var(--parchment);
  background: var(--ink);
}

.app-instrument {
  position: relative;
  max-width: 440px;
  margin: 0;
  padding: 11px;
  border: 3px solid var(--panel-edge);
  background: var(--panel-raised);
  box-shadow:
    inset 0 0 0 2px rgb(232 226 212 / 11%),
    11px 11px 0 rgb(5 11 22 / 35%);
  transform: rotate(1.2deg);
}

.app-instrument img {
  width: 100%;
  border: 2px solid var(--panel-edge);
  image-rendering: pixelated;
}

.instrument-label,
.app-instrument figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.instrument-label {
  padding: 1px 3px 9px;
  color: var(--text-dim);
  font-size: 9px;
  letter-spacing: 0.15em;
}

.instrument-label strong {
  color: var(--text);
  font-size: 11px;
}

.app-instrument figcaption {
  padding: 10px 3px 1px;
  color: var(--text);
  font-size: 11px;
  font-weight: 800;
}

.app-instrument figcaption span:last-child {
  text-align: right;
}

.app-instrument figcaption small {
  display: block;
  color: var(--text-dim);
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.horizon {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 0;
  left: 0;
  height: 105px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--sea-day), var(--sea-deep));
  border-top: 5px solid rgb(216 234 242 / 45%);
}

.wave {
  position: absolute;
  display: block;
  height: 4px;
  background: rgb(216 234 242 / 35%);
}

.wave-one {
  top: 26px;
  left: 9%;
  width: 15%;
  box-shadow: 380px 35px 0 rgb(216 234 242 / 20%), 790px -8px 0 rgb(216 234 242 / 25%);
}

.wave-two {
  top: 65px;
  left: 30%;
  width: 12%;
  box-shadow: 470px -17px 0 rgb(216 234 242 / 25%), 770px 15px 0 rgb(216 234 242 / 18%);
}

.readout-strip {
  position: relative;
  z-index: 5;
  display: grid;
  width: min(calc(100% - 48px), var(--max-width));
  margin: -42px auto 0;
  border: 3px solid var(--panel-edge);
  background: var(--panel);
  box-shadow: 8px 8px 0 rgb(5 11 22 / 35%);
  grid-template-columns: repeat(4, 1fr);
}

.readout-strip > div {
  position: relative;
  padding: 18px 18px 18px 34px;
  border-right: 1px solid rgb(147 160 172 / 18%);
}

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

.readout-strip small,
.readout-strip strong {
  display: block;
}

.readout-strip small {
  color: var(--text-dim);
  font-size: 8px;
  letter-spacing: 0.16em;
}

.readout-strip strong {
  color: var(--text);
  font-size: 12px;
}

.status-light {
  position: absolute;
  top: 27px;
  left: 17px;
  width: 7px;
  height: 7px;
  background: var(--good);
  box-shadow: 0 0 7px rgb(111 168 106 / 75%);
}

.section {
  padding: 130px max(24px, calc((100% - var(--max-width)) / 2));
}

.parchment-section {
  color: var(--ink);
  background:
    linear-gradient(rgb(107 91 69 / 7%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(107 91 69 / 5%) 1px, transparent 1px),
    var(--parchment);
  background-size: 32px 32px;
}

.section-heading {
  max-width: 750px;
  margin-bottom: 65px;
}

.section-heading h2,
.split-layout h2,
.privacy-callout h2,
.final-cta h2,
.contact-section h2 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 4.25rem);
  letter-spacing: -0.065em;
  line-height: 1.05;
}

.section-heading > p:last-child,
.panel-copy > p:last-child,
.privacy-callout > div > p:last-of-type,
.contact-section > div > p:last-child {
  font-family: ui-serif, Georgia, serif;
  font-size: 18px;
  line-height: 1.75;
}

.ink-heading .eyebrow {
  color: var(--brass-dark);
}

.ink-heading > p:last-child {
  color: var(--ink-faint);
}

.feature-grid {
  display: grid;
  border-top: 2px solid var(--ink);
  border-left: 2px solid var(--ink);
  grid-template-columns: repeat(3, 1fr);
}

.chart-card {
  position: relative;
  min-height: 410px;
  padding: 35px 31px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}

.chart-card::after {
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  content: "";
}

.card-number {
  color: var(--ink-faint);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.chart-card h3 {
  margin: 31px 0 13px;
  font-size: 18px;
  line-height: 1.3;
}

.chart-card p {
  margin: 0;
  color: var(--ink-faint);
  font-family: ui-serif, Georgia, serif;
  font-size: 16px;
}

.card-icon {
  position: relative;
  width: 78px;
  height: 78px;
  margin-top: 37px;
}

.instrument-icon {
  display: block;
  overflow: visible;
}

.instrument-icon .icon-ink,
.instrument-icon .icon-brass,
.instrument-icon .icon-ticks {
  fill: none;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.instrument-icon .icon-ink {
  stroke: var(--ink);
  stroke-width: 5;
}

.instrument-icon .icon-brass {
  stroke: var(--brass-dark);
  stroke-width: 6;
}

.instrument-icon .icon-ticks {
  stroke: var(--brass-dark);
  stroke-width: 3;
}

.instrument-icon .icon-pivot {
  fill: var(--brass-dark);
  stroke: var(--ink);
  stroke-width: 3;
}

.instrument-icon .icon-telescope {
  stroke-width: 7;
}

.instrument-icon .barometer-needle {
  stroke-width: 7;
}

.instrument-icon .icon-label {
  fill: var(--ink-faint);
  font-family: var(--font);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-anchor: middle;
}

.clock-icon {
  border: 4px solid var(--brass-dark);
  border-radius: 50%;
}

.clock-icon::before,
.clock-icon::after {
  position: absolute;
  top: 35px;
  left: 35px;
  width: 4px;
  height: 25px;
  background: var(--ink);
  content: "";
  transform-origin: 2px 2px;
}

.clock-icon::before {
  transform: rotate(180deg);
}

.clock-icon::after {
  height: 21px;
  transform: rotate(125deg);
}

.night-section {
  background:
    radial-gradient(circle at 82% 12%, rgb(61 78 118 / 65%), transparent 35%),
    var(--sky-night);
}

.split-layout {
  display: grid;
  gap: 90px;
  grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr);
  align-items: center;
}

.panel-copy > p:last-child {
  color: var(--text-dim);
}

.instrument-panel {
  padding: 14px;
  border: 3px solid var(--panel-edge);
  background: var(--panel-raised);
  box-shadow: inset 0 0 0 2px rgb(232 226 212 / 8%), 9px 9px 0 rgb(5 11 22 / 35%);
}

.panel-title {
  display: flex;
  justify-content: space-between;
  padding: 2px 2px 12px;
  color: var(--text-dim);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.panel-title span:last-child {
  color: var(--good);
}

.panel-row {
  display: grid;
  min-height: 83px;
  align-items: center;
  padding: 12px;
  border: 2px solid var(--panel-edge);
  border-bottom: 0;
  background: var(--panel);
  grid-template-columns: 44px 1fr 12px;
  gap: 13px;
}

.panel-row:last-child {
  border-bottom: 2px solid var(--panel-edge);
}

.panel-index {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: var(--ink);
  background: var(--brass);
  box-shadow: inset 0 -3px 0 var(--brass-dark);
  font-weight: 900;
}

.panel-row strong,
.panel-row small {
  display: block;
}

.panel-row strong {
  font-size: 13px;
}

.panel-row small {
  margin-top: 2px;
  color: var(--text-dim);
  font-size: 9px;
  letter-spacing: 0.07em;
}

.panel-row i {
  width: 8px;
  height: 8px;
  background: var(--good);
  box-shadow: 0 0 8px rgb(111 168 106 / 70%);
}

.privacy-callout {
  display: grid;
  color: var(--ink);
  background: var(--canvas);
  grid-template-columns: 1fr 0.85fr;
  gap: 90px;
  align-items: center;
}

.privacy-callout .eyebrow {
  color: var(--brass-dark);
}

.privacy-callout > div > p:last-of-type {
  color: var(--ink-faint);
}

.text-link {
  display: inline-flex;
  margin-top: 17px;
  color: var(--ink);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-decoration: none;
}

.text-link span {
  margin-left: 10px;
  transition: transform 120ms ease;
}

.text-link:hover span {
  transform: translateX(4px);
}

.final-cta {
  position: relative;
  overflow: hidden;
  padding: 150px 24px;
  text-align: center;
  background:
    linear-gradient(180deg, rgb(5 11 22 / 20%), rgb(10 21 38 / 82%)),
    linear-gradient(180deg, var(--sky-dusk), var(--sunset-high));
}

.final-cta > * {
  position: relative;
  z-index: 2;
}

.final-cta p:not(.eyebrow) {
  color: var(--text);
  font-family: ui-serif, Georgia, serif;
  font-size: 17px;
}

.final-cta .button {
  margin-top: 22px;
}

.compass-mark {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  width: 510px;
  height: 510px;
  border: 1px solid rgb(232 226 212 / 12%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.compass-mark::before,
.compass-mark::after {
  position: absolute;
  background: rgb(232 226 212 / 10%);
  content: "";
}

.compass-mark::before {
  top: -35px;
  left: 50%;
  width: 1px;
  height: calc(100% + 70px);
}

.compass-mark::after {
  top: 50%;
  left: -35px;
  width: calc(100% + 70px);
  height: 1px;
}

.compass-mark span {
  position: absolute;
  top: 22px;
  left: 50%;
  color: rgb(232 226 212 / 23%);
  font-size: 24px;
  transform: translateX(-50%);
}

.site-footer {
  display: grid;
  min-height: 120px;
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
  align-items: center;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
}

.footer-brand img {
  width: 32px;
  height: 32px;
}

.site-footer p {
  color: var(--text-dim);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.site-footer nav {
  justify-content: flex-end;
}

/* Policy page */
.document-page,
.support-page {
  background: var(--panel);
}

.document-page .site-header,
.support-page .site-header {
  position: relative;
}

.document-hero {
  padding: 115px max(24px, calc((100% - var(--max-width)) / 2)) 95px;
  background:
    linear-gradient(180deg, rgb(5 11 22 / 5%), rgb(10 21 38 / 75%)),
    linear-gradient(135deg, var(--sky-dusk), var(--sky-night) 65%);
}

.document-hero h1,
.support-hero h1 {
  font-size: clamp(3.1rem, 8vw, 6.8rem);
}

.document-summary {
  max-width: 720px;
  margin: 30px 0;
  color: var(--text);
  font-family: ui-serif, Georgia, serif;
  font-size: 20px;
}

.effective-date {
  display: inline-flex;
  min-width: 270px;
  padding: 11px 14px;
  border: 2px solid rgb(232 226 212 / 28%);
  justify-content: space-between;
  color: var(--text);
  background: rgb(10 21 38 / 35%);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.effective-date span {
  margin-right: 25px;
  color: var(--text-dim);
}

.document-layout {
  display: grid;
  padding: 85px max(24px, calc((100% - var(--max-width)) / 2)) 130px;
  color: var(--ink);
  background:
    linear-gradient(rgb(107 91 69 / 6%) 1px, transparent 1px),
    var(--parchment);
  background-size: 100% 32px;
  grid-template-columns: 240px minmax(0, 760px);
  gap: 80px;
  justify-content: space-between;
}

.document-index {
  position: sticky;
  top: 24px;
  height: max-content;
  padding: 20px;
  border: 2px solid var(--parchment-edge);
  background: rgb(230 217 188 / 90%);
}

.document-index > p {
  margin: 0 0 10px;
  color: var(--brass-dark);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.document-index ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pages;
}

.document-index li {
  counter-increment: pages;
}

.document-index a {
  display: block;
  padding: 5px 0;
  color: var(--ink-faint);
  font-size: 11px;
  text-decoration: none;
}

.document-index a::before {
  margin-right: 9px;
  color: var(--parchment-edge);
  content: "0" counter(pages);
}

.document-index a:hover {
  color: var(--ink);
}

.policy-paper section {
  position: relative;
  padding: 0 0 60px 60px;
  scroll-margin-top: 25px;
}

.policy-paper section:last-child {
  padding-bottom: 0;
}

.policy-paper section::before {
  position: absolute;
  top: 8px;
  bottom: 0;
  left: 17px;
  width: 1px;
  background: var(--parchment-edge);
  content: "";
}

.policy-paper section:last-child::before {
  bottom: calc(100% - 28px);
}

.section-number {
  position: absolute;
  top: 1px;
  left: 0;
  display: grid;
  width: 35px;
  height: 35px;
  border: 2px solid var(--ink);
  place-items: center;
  color: var(--parchment);
  background: var(--ink);
  font-size: 10px;
  font-weight: 900;
}

.policy-paper h2 {
  margin: 0 0 17px;
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  letter-spacing: -0.04em;
  line-height: 1.2;
}

.policy-paper p {
  color: var(--ink-faint);
  font-family: ui-serif, Georgia, serif;
  font-size: 17px;
}

.policy-paper a:not(.button) {
  color: var(--ink);
  text-decoration-color: var(--brass-dark);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.plain-language {
  margin-top: 26px;
  padding: 17px 19px;
  border-left: 5px solid var(--brass-dark);
  background: rgb(201 185 146 / 38%);
}

.plain-language strong {
  color: var(--brass-dark);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.plain-language p {
  margin: 5px 0 0;
  color: var(--ink);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 800;
}

/* Support page */
.support-hero {
  display: grid;
  padding: 105px max(24px, calc((100% - var(--max-width)) / 2)) 100px;
  background:
    radial-gradient(circle at 85% 35%, rgb(61 78 118 / 60%), transparent 35%),
    linear-gradient(135deg, var(--sky-night), var(--sky-zenith));
  grid-template-columns: 1fr 300px;
  gap: 90px;
  align-items: end;
}

.support-hero > div:first-child > p:last-child {
  max-width: 680px;
  color: var(--text-dim);
  font-family: ui-serif, Georgia, serif;
  font-size: 19px;
}

.signal-card {
  padding: 24px;
  border: 3px solid var(--panel-edge);
  background: var(--panel-raised);
  box-shadow: inset 0 0 0 2px rgb(232 226 212 / 8%), 8px 8px 0 rgb(5 11 22 / 45%);
}

.signal-pulse {
  display: block;
  width: 12px;
  height: 12px;
  margin-bottom: 24px;
  background: var(--good);
  box-shadow: 0 0 13px rgb(111 168 106 / 75%);
}

.signal-card small,
.signal-card strong {
  display: block;
}

.signal-card small {
  color: var(--text-dim);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.signal-card strong {
  font-size: 22px;
  letter-spacing: 0.04em;
}

.signal-card p {
  margin: 11px 0 0;
  color: var(--text-dim);
  font-size: 10px;
}

.support-content {
  padding: 115px max(24px, calc((100% - var(--max-width)) / 2));
  color: var(--ink);
  background: var(--parchment);
}

.support-content .eyebrow {
  color: var(--brass-dark);
}

.faq-list {
  border-top: 2px solid var(--ink);
}

.faq-list details {
  border-bottom: 2px solid var(--ink);
}

.faq-list summary {
  display: grid;
  min-height: 86px;
  align-items: center;
  padding: 15px 7px;
  cursor: pointer;
  list-style: none;
  grid-template-columns: 60px 1fr 28px;
  gap: 12px;
  font-size: 16px;
  font-weight: 800;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-number {
  color: var(--brass-dark);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.faq-list summary i {
  position: relative;
  width: 20px;
  height: 20px;
}

.faq-list summary i::before,
.faq-list summary i::after {
  position: absolute;
  top: 9px;
  left: 2px;
  width: 16px;
  height: 2px;
  background: var(--ink);
  content: "";
}

.faq-list summary i::after {
  transform: rotate(90deg);
  transition: transform 120ms ease;
}

.faq-list details[open] summary i::after {
  transform: rotate(0deg);
}

.answer {
  max-width: 850px;
  padding: 0 60px 30px 79px;
}

.answer p {
  margin: 0;
  color: var(--ink-faint);
  font-family: ui-serif, Georgia, serif;
  font-size: 17px;
}

.contact-section {
  display: grid;
  padding: 120px max(24px, calc((100% - var(--max-width)) / 2));
  background:
    linear-gradient(rgb(10 21 38 / 85%), rgb(10 21 38 / 90%)),
    linear-gradient(135deg, var(--sky-dusk), var(--sunset-high));
  grid-template-columns: 1fr 400px;
  gap: 90px;
  align-items: center;
}

.contact-section > div > p:last-child {
  color: var(--text-dim);
}

.contact-section > div > p:last-child a {
  color: var(--text);
  text-decoration-color: var(--brass);
  text-underline-offset: 3px;
}

.contact-panel {
  position: relative;
  padding: 38px;
  border: 3px solid var(--panel-edge);
  text-align: center;
  background: var(--panel-raised);
  box-shadow: inset 0 0 0 2px rgb(232 226 212 / 8%), 9px 9px 0 rgb(5 11 22 / 40%);
}

.contact-panel small,
.contact-panel strong {
  display: block;
}

.contact-panel small {
  color: var(--text-dim);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.contact-panel strong {
  margin: 3px 0 23px;
  font-size: 18px;
}

.contact-panel .button {
  width: 100%;
}

.contact-panel .text-link {
  display: flex;
  justify-content: center;
}

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

.panel-corner {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--brass-dark);
}

.top-left {
  top: 8px;
  left: 8px;
}

.top-right {
  top: 8px;
  right: 8px;
}

.bottom-left {
  bottom: 8px;
  left: 8px;
}

.bottom-right {
  right: 8px;
  bottom: 8px;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr 330px;
    gap: 45px;
  }

  .split-layout,
  .privacy-callout,
  .contact-section {
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .document-layout {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 45px;
  }

  .support-hero {
    grid-template-columns: 1fr 250px;
    gap: 40px;
  }
}

@media (max-width: 720px) {
  .site-header {
    width: min(calc(100% - 32px), var(--max-width));
    min-height: 72px;
  }

  .site-header nav {
    gap: 16px;
  }

  .site-header nav a {
    font-size: 9px;
    letter-spacing: 0.06em;
  }

  .site-header nav a:first-child {
    display: none;
  }

  .brand {
    font-size: 15px;
  }

  .brand img {
    width: 34px;
    height: 34px;
    margin-right: 9px;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    width: min(calc(100% - 32px), var(--max-width));
    padding: 123px 0 145px;
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .hero h1 {
    font-size: clamp(3.1rem, 16vw, 5rem);
  }

  .app-instrument {
    width: min(88vw, 430px);
    margin: 0 auto;
    transform: rotate(0.8deg);
  }

  .readout-strip {
    width: min(calc(100% - 32px), var(--max-width));
    grid-template-columns: 1fr 1fr;
  }

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

  .readout-strip > div:nth-child(-n + 2) {
    border-bottom: 1px solid rgb(147 160 172 / 18%);
  }

  .section {
    padding: 90px 20px;
  }

  .section-heading {
    margin-bottom: 45px;
  }

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

  .chart-card {
    min-height: 340px;
  }

  .split-layout {
    gap: 45px;
  }

  .instrument-panel {
    padding: 9px;
  }

  .panel-row {
    padding: 9px;
    grid-template-columns: 40px 1fr 8px;
    gap: 9px;
  }

  .privacy-callout {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .final-cta {
    padding: 115px 20px;
  }

  .site-footer {
    width: min(calc(100% - 32px), var(--max-width));
    padding: 35px 0;
    grid-template-columns: 1fr auto;
  }

  .site-footer p {
    order: 3;
    grid-column: 1 / -1;
  }

  .site-footer nav {
    gap: 16px;
  }

  .document-hero {
    padding: 85px 20px 70px;
  }

  .document-summary {
    font-size: 18px;
  }

  .document-layout {
    padding: 65px 20px 90px;
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .document-index {
    position: relative;
    top: auto;
  }

  .policy-paper section {
    padding-left: 49px;
  }

  .policy-paper section::before {
    left: 14px;
  }

  .section-number {
    width: 30px;
    height: 30px;
    font-size: 9px;
  }

  .support-hero {
    padding: 85px 20px 75px;
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .signal-card {
    max-width: 350px;
  }

  .support-content {
    padding: 80px 20px;
  }

  .faq-list summary {
    min-height: 76px;
    grid-template-columns: 42px 1fr 24px;
    font-size: 14px;
  }

  .answer {
    padding: 0 35px 27px 54px;
  }

  .contact-section {
    padding: 85px 20px;
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .contact-panel {
    padding: 32px 22px;
  }
}

@media (max-width: 390px) {
  .site-header nav {
    gap: 11px;
  }

  .brand span {
    letter-spacing: 0.18em;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .readout-strip > div {
    padding-right: 8px;
    padding-left: 29px;
  }

  .status-light {
    left: 13px;
  }

  .readout-strip strong {
    font-size: 10px;
  }

  .effective-date {
    min-width: 0;
    width: 100%;
    font-size: 9px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .site-footer,
  .document-index {
    display: none;
  }

  .document-hero {
    padding: 30px 0;
    color: #000;
    background: #fff;
  }

  .document-layout {
    display: block;
    padding: 0;
    background: #fff;
  }
}