:root {
  --color-bg: #F4F7F6;
  --color-surface: #FFFFFF;
  --color-surface-strong: #E6EFED;
  --color-text: #12282D;
  --color-muted: #52666A;
  --color-primary: #086A63;
  --color-primary-strong: #064F4A;
  --color-primary-soft: #DCEDEA;
  --color-accent: #B45432;
  --color-accent-soft: #F2E5DE;
  --color-border: #C7D5D2;
  --color-control-border: #6E8582;
  --color-dark: #0B2B30;
  --color-dark-elevated: #15383D;
  --color-dark-muted: #C7D9D6;
  --color-focus: #086A63;
  --color-focus-on-dark: #F1B46A;
  --color-on-dark-accent: #8BD3CC;
  --color-status-preparation: #395D73;
  --color-status-selected: #466A3E;
  --color-status-future: #6C594D;
  --font-sans: "Segoe UI Variable", "Segoe UI", "Noto Sans", Arial, sans-serif;
  --container: 1160px;
  --section-space: clamp(3.85rem, 6.4vw, 5.8rem);
  --radius: 6px;
}

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

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: 4.75rem;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.62;
  text-rendering: optimizeLegibility;
}

main > section[id],
article[id],
.legacy-anchor,
#validation {
  scroll-margin-top: 0.75rem;
}

a {
  color: inherit;
}

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

button {
  font: inherit;
}

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

::selection {
  background: var(--color-primary-strong);
  color: #FFFFFF;
}

.container {
  width: min(calc(100% - clamp(2rem, 6vw, 5rem)), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  transform: translateY(-160%);
  border-radius: 3px;
  background: var(--color-text);
  color: #FFFFFF;
  font-weight: 750;
  text-decoration: none;
}

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

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-top: 4px solid var(--color-primary);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.header-inner {
  position: relative;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.wordmark {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--color-text);
  font-size: 1.18rem;
  font-weight: 760;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.wordmark span {
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.7rem, 1.7vw, 1.35rem);
}

.site-nav > a:not(.button) {
  position: relative;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--color-muted);
  font-size: 0.86rem;
  font-weight: 680;
  text-decoration: none;
}

.site-nav > a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: 5px;
  left: 0;
  height: 2px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  background: var(--color-primary);
  transition: transform 160ms ease;
}

.site-nav > a:not(.button):hover,
.site-nav > a:not(.button):focus-visible,
.site-nav > a[aria-current="location"]:not(.button) {
  color: var(--color-text);
}

.site-nav > a:not(.button):hover::after,
.site-nav > a:not(.button):focus-visible::after,
.site-nav > a[aria-current="location"]:not(.button)::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav > .button[aria-current="location"] {
  border-color: var(--color-primary);
}

.nav-toggle {
  min-width: 44px;
  min-height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-control-border);
  border-radius: 4px;
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}

.nav-toggle-label {
  font-size: 0.86rem;
  font-weight: 720;
}

.nav-toggle-icon {
  width: 18px;
  display: grid;
  gap: 4px;
}

.nav-toggle-icon span {
  width: 100%;
  height: 2px;
  display: block;
  background: currentColor;
  transition: transform 160ms ease, opacity 160ms ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 0.92rem;
  font-weight: 760;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button-compact {
  min-height: 44px;
  padding: 0.55rem 0.9rem;
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #FFFFFF;
}

.button-compact:hover,
.button-compact:focus-visible {
  border-color: var(--color-primary-strong);
  background: var(--color-primary-strong);
}

.button-primary {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #FFFFFF;
}

.button-primary:hover,
.button-primary:focus-visible {
  border-color: var(--color-primary-strong);
  background: var(--color-primary-strong);
}

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

.button-secondary:hover,
.button-secondary:focus-visible {
  background: var(--color-text);
  color: #FFFFFF;
}

.button-light {
  border-color: var(--color-bg);
  background: var(--color-bg);
  color: var(--color-dark);
}

.button-light:hover,
.button-light:focus-visible {
  border-color: #FFFFFF;
  background: #FFFFFF;
}

.text-link {
  min-height: 44px;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  font-size: 0.92rem;
  font-weight: 760;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.text-link::after {
  margin-left: 0.45rem;
  content: "→";
}

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

h1,
h2,
h3,
h4,
p,
li,
dd {
  overflow-wrap: break-word;
}

h1,
h2,
h3,
h4 {
  margin-top: 0;
  line-height: 1.12;
}

h1 {
  max-width: 16ch;
  margin-bottom: 1.35rem;
  font-size: clamp(2.55rem, 3.9vw, 3.55rem);
  font-weight: 750;
  letter-spacing: -0.036em;
}

h2 {
  font-size: clamp(2rem, 3.45vw, 2.95rem);
  font-weight: 730;
  letter-spacing: -0.028em;
}

h3 {
  font-size: 1.32rem;
  letter-spacing: -0.015em;
}

h4 {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow,
.note-index {
  margin: 0 0 0.85rem;
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.eyebrow span {
  padding-inline: 0.25rem;
}

.eyebrow-light {
  color: var(--color-on-dark-accent);
}

.section {
  position: relative;
  padding: var(--section-space) 0;
}

.section-heading {
  margin-bottom: clamp(2.25rem, 4.5vw, 3.5rem);
}

.section-heading h2 {
  max-width: 22ch;
  margin-bottom: 0;
}

.section-heading > p,
.heading-split > p {
  max-width: 62ch;
  margin: 0;
  color: var(--color-muted);
  font-size: 1.04rem;
}

.heading-split {
  display: grid;
  align-items: end;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr);
  gap: clamp(2rem, 7vw, 6rem);
}

.hero {
  overflow: hidden;
  padding: clamp(4rem, 7.5vw, 6.6rem) 0 0;
  background: var(--color-dark);
  color: #FFFFFF;
}

.hero-grid {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1.42fr) minmax(290px, 0.58fr);
  gap: clamp(3rem, 9vw, 7rem);
}

.hero-copy,
.hero-note {
  min-width: 0;
}

.hero-lead {
  max-width: 59ch;
  margin: 0;
  color: var(--color-dark-muted);
  font-size: clamp(1.08rem, 1.5vw, 1.24rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero-note {
  padding: clamp(1.4rem, 3vw, 2rem);
  border: 1px solid #36565A;
  border-left: 4px solid #72C8BF;
  border-radius: var(--radius);
  background: var(--color-dark-elevated);
}

.hero-note h2 {
  max-width: 14ch;
  margin-bottom: 1rem;
  font-size: clamp(1.65rem, 2.6vw, 2.25rem);
}

.hero-note > p:not(.note-index) {
  margin: 0 0 1.25rem;
  color: var(--color-dark-muted);
}

.note-index {
  color: var(--color-on-dark-accent);
}

.hero .eyebrow {
  color: var(--color-on-dark-accent);
}

.hero .button-primary {
  border-color: var(--color-accent);
  background: var(--color-accent);
}

.hero .button-primary:hover,
.hero .button-primary:focus-visible {
  border-color: #913E23;
  background: #913E23;
}

.hero .button-secondary {
  border-color: #8BA6A7;
  color: #FFFFFF;
}

.hero .button-secondary:hover,
.hero .button-secondary:focus-visible {
  border-color: #FFFFFF;
  background: #FFFFFF;
  color: var(--color-dark);
}

.hero .text-link {
  color: var(--color-on-dark-accent);
}

.hero .text-link:hover,
.hero .text-link:focus-visible {
  color: #FFFFFF;
}

.hero-grid :focus-visible,
.why-section :focus-visible,
.contact-section :focus-visible {
  outline-color: var(--color-focus-on-dark);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: clamp(3.5rem, 7vw, 6rem) 0 0;
  padding: 0;
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--color-surface);
  color: var(--color-text);
  list-style: none;
}

.hero-facts li {
  min-width: 0;
  padding: 1.2rem clamp(0.75rem, 2vw, 1.5rem);
}

.hero-facts li:first-child {
  padding-left: clamp(0.75rem, 2vw, 1.5rem);
}

.hero-facts li + li {
  border-left: 1px solid var(--color-border);
}

.hero-facts strong,
.hero-facts span {
  display: block;
}

.hero-facts strong {
  margin-bottom: 0.15rem;
  font-size: 0.88rem;
}

.hero-facts span {
  color: var(--color-muted);
  font-size: 0.82rem;
}

.services-section {
  background: var(--color-surface);
}

.primary-services {
  border-top: 1px solid var(--color-text);
}

.primary-service {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(250px, 0.68fr) minmax(0, 1.32fr);
  gap: clamp(2.5rem, 7vw, 6rem);
  padding: clamp(2.1rem, 4.5vw, 3.35rem) 0 clamp(2.1rem, 4.5vw, 3.35rem) clamp(1rem, 2.2vw, 1.7rem);
  border-bottom: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
}

.service-heading,
.service-detail {
  min-width: 0;
}

.service-heading h3 {
  max-width: 18ch;
  margin: 1.25rem 0 0.85rem;
  font-size: clamp(1.6rem, 2.7vw, 2.2rem);
}

.service-number {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--color-primary);
  font-size: 0.75rem;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-weight: 700;
  letter-spacing: 0.09em;
}

.status {
  width: fit-content;
  max-width: 100%;
  margin: 0;
  padding: 0.32rem 0.5rem;
  border: 1px solid currentColor;
  border-radius: 2px;
  color: var(--color-muted);
  font-size: 0.72rem;
  font-weight: 720;
  line-height: 1.35;
}

.status-validation {
  color: var(--color-primary);
}

.status-preparation {
  color: var(--color-status-preparation);
}

.status-selected {
  color: var(--color-status-selected);
}

.status-future,
.status-scoping {
  color: var(--color-status-future);
}

.service-problem {
  margin: 0;
  color: var(--color-muted);
  font-size: 1rem;
}

.service-boundaries {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0 0 1.25rem;
  border-block: 1px solid var(--color-border);
}

.service-boundaries div {
  min-width: 0;
  padding: 1.1rem 1.2rem;
}

.service-boundaries div:first-child {
  padding-left: 0;
}

.service-boundaries div + div {
  border-left: 1px solid var(--color-border);
}

.service-boundaries dt {
  margin-bottom: 0.45rem;
  color: var(--color-text);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.service-boundaries dd {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.91rem;
}

.why-section {
  background: var(--color-dark);
  color: #FFFFFF;
}

.why-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(3rem, 9vw, 8rem);
}

.why-copy h2 {
  max-width: 15ch;
  margin-bottom: 1.35rem;
}

.why-copy > p:last-child {
  max-width: 54ch;
  margin: 0;
  color: var(--color-dark-muted);
  font-size: 1.04rem;
}

.why-principles {
  margin: 0;
  padding: 0;
  border-top: 1px solid #587176;
  list-style: none;
}

.why-principles li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid #405D62;
}

.why-principles li > span {
  color: var(--color-on-dark-accent);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.76rem;
  font-weight: 800;
}

.why-principles h3 {
  margin-bottom: 0.35rem;
  font-size: 1.07rem;
}

.why-principles p {
  margin: 0;
  color: var(--color-dark-muted);
  font-size: 0.92rem;
}

.backup-section {
  background: var(--color-bg);
}

.backup-grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 0.72fr) minmax(360px, 1.28fr);
  gap: clamp(3rem, 9vw, 8rem);
}

.backup-copy h3 {
  max-width: 20ch;
  margin-bottom: 0.8rem;
  font-size: 1.6rem;
}

.backup-copy > p {
  margin: 0 0 1.5rem;
  color: var(--color-muted);
}

.plain-checks,
.audience-lists ul {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
  list-style: none;
}

.plain-checks li,
.audience-lists li {
  position: relative;
  padding: 0.8rem 0 0.8rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.91rem;
}

.plain-checks li::before,
.audience-lists li::before {
  position: absolute;
  top: 1.45rem;
  left: 0;
  width: 0.55rem;
  height: 2px;
  content: "";
  background: var(--color-primary);
}

.backup-map {
  min-width: 0;
  margin: 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--color-control-border);
  border-top: 4px solid var(--color-primary);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.backup-map figcaption {
  margin-bottom: 1.25rem;
  color: var(--color-text);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.backup-node {
  min-width: 0;
  display: grid;
  align-items: center;
  grid-template-columns: 2rem minmax(0, 1fr) auto;
  gap: 0.9rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--color-control-border);
  border-radius: 3px;
  background: var(--color-surface);
}

.backup-node > span {
  color: var(--color-primary);
  font-size: 0.74rem;
  font-weight: 820;
}

.backup-node strong,
.backup-node small {
  display: block;
}

.backup-node strong {
  margin-bottom: 0.15rem;
  font-size: 0.94rem;
}

.backup-node small {
  color: var(--color-muted);
  font-size: 0.78rem;
}

.backup-node b {
  color: var(--color-muted);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.backup-node-local {
  border: 2px solid var(--color-primary);
  background: var(--color-primary-soft);
}

.backup-node-optional {
  border-color: var(--color-accent);
  border-style: dashed;
}

.backup-link {
  position: relative;
  height: 3.2rem;
  margin-left: 1.95rem;
  border-left: 1px solid var(--color-primary);
}

.backup-link::after {
  position: absolute;
  bottom: -1px;
  left: -4px;
  width: 7px;
  height: 7px;
  content: "";
  transform: rotate(45deg);
  border-right: 1px solid var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
}

.backup-link span {
  position: absolute;
  top: 50%;
  left: 0.85rem;
  transform: translateY(-50%);
  color: var(--color-muted);
  font-size: 0.72rem;
}

.backup-link-optional {
  border-left-color: var(--color-accent);
  border-left-style: dashed;
}

.backup-link-optional::after {
  border-color: var(--color-accent);
}

.backup-map > p {
  margin: 1.25rem 0 0;
  color: var(--color-muted);
  font-size: 0.78rem;
}

.recovery-block {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(2.5rem, 8vw, 7rem);
  margin-top: clamp(3.5rem, 7vw, 6rem);
  padding-top: clamp(2rem, 5vw, 3.5rem);
  border-top: 1px solid var(--color-text);
}

.recovery-heading h3 {
  max-width: 23ch;
  margin-bottom: 0;
  font-size: clamp(1.5rem, 2.6vw, 2.05rem);
}

.recovery-cycle {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-block: 1px solid var(--color-border);
  list-style: none;
}

.recovery-cycle li {
  min-width: 0;
  padding: 1.15rem;
}

.recovery-cycle li:first-child {
  padding-left: 0;
}

.recovery-cycle li + li {
  border-left: 1px solid var(--color-border);
}

.recovery-cycle span {
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 800;
}

.recovery-cycle h4 {
  margin: 1rem 0 0.4rem;
  color: var(--color-text);
}

.recovery-cycle p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.86rem;
}

.approach-section {
  background: var(--color-surface-strong);
}

.approach-grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 0.76fr) minmax(0, 1.24fr);
  gap: clamp(3rem, 9vw, 8rem);
}

.approach-heading {
  margin-bottom: 0;
}

.approach-heading h2 {
  margin-bottom: 1.25rem;
}

.approach-steps {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-text);
  list-style: none;
}

.approach-steps li {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--color-border);
}

.approach-steps li > span {
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 820;
}

.approach-steps h3 {
  margin-bottom: 0.35rem;
  font-size: 1.08rem;
}

.approach-steps p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.catalogue-section {
  background: var(--color-surface);
}

.catalogue-list {
  border-top: 1px solid var(--color-text);
}

.catalogue-row {
  min-width: 0;
  display: grid;
  align-items: start;
  grid-template-columns: minmax(235px, 1.25fr) minmax(170px, 0.82fr) minmax(190px, 1fr) auto;
  gap: clamp(1.4rem, 4vw, 3.5rem);
  padding: clamp(1.6rem, 3.4vw, 2.25rem) 0;
  border-bottom: 1px solid var(--color-border);
}

.catalogue-row > div {
  min-width: 0;
}

.catalogue-title h3 {
  max-width: 23ch;
  margin: 1rem 0 0;
  font-size: 1.25rem;
}

.catalogue-row h4 {
  margin-bottom: 0.55rem;
  color: var(--color-muted);
}

.catalogue-row p:not(.status) {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.catalogue-row > .text-link {
  align-self: end;
  white-space: nowrap;
}

.audience-section {
  background: var(--color-bg);
}

.legacy-anchor {
  position: absolute;
  top: 0;
}

.audience-grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(3rem, 9vw, 8rem);
}

.audience-copy h2 {
  max-width: 19ch;
  margin-bottom: 1.2rem;
}

.audience-copy > p:last-child {
  max-width: 58ch;
  margin: 0;
  color: var(--color-muted);
}

.audience-lists {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.75rem, 5vw, 3.5rem);
}

.audience-lists h3 {
  margin-bottom: 1rem;
  font-size: 1.04rem;
}

.about-section {
  border-block: 1px solid var(--color-border);
  background: var(--color-primary-soft);
}

.about-grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(3rem, 9vw, 8rem);
}

.about-copy h2 {
  max-width: 18ch;
  margin-bottom: 1.25rem;
}

.about-copy > p:not(.eyebrow) {
  max-width: 65ch;
  margin: 0;
  color: var(--color-muted);
}

.about-copy > p + p {
  margin-top: 1rem;
}

.operating-principles {
  padding-top: 0.35rem;
}

.operating-principles > h3 {
  margin-bottom: 1.1rem;
  font-size: 1.1rem;
}

.operating-principles dl {
  margin: 0;
  border-top: 1px solid var(--color-text);
}

.operating-principles dl > div {
  display: grid;
  grid-template-columns: minmax(100px, 0.32fr) minmax(0, 0.68fr);
  gap: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}

.operating-principles dt {
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 780;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.operating-principles dd {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.91rem;
}

.faq-section {
  background: var(--color-bg);
}

.faq-grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(245px, 0.68fr) minmax(0, 1.32fr);
  gap: clamp(3rem, 9vw, 8rem);
}

.faq-heading {
  position: sticky;
  top: 6.75rem;
  margin-bottom: 0;
}

.faq-heading h2 {
  margin-bottom: 1.1rem;
}

.faq-list {
  border-top: 1px solid var(--color-text);
}

.faq-list details {
  border-bottom: 1px solid var(--color-border);
}

.faq-list summary {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.1rem 0;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 710;
  cursor: pointer;
  list-style: none;
}

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

.faq-list summary span {
  position: relative;
  width: 1.25rem;
  height: 1.25rem;
  flex: 0 0 auto;
  border: 1px solid var(--color-control-border);
  border-radius: 2px;
}

.faq-list summary span::before,
.faq-list summary span::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 1px;
  content: "";
  transform: translate(-50%, -50%);
  background: var(--color-primary);
}

.faq-list summary span::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 160ms ease;
}

.faq-list details[open] summary span::after {
  transform: translate(-50%, -50%);
}

.faq-list details[open] summary {
  color: var(--color-primary);
}

.faq-list details p {
  max-width: 69ch;
  margin: -0.2rem 0 1.35rem;
  color: var(--color-muted);
  font-size: 0.94rem;
}

.contact-section {
  padding: var(--section-space) 0;
  border-top: 4px solid var(--color-accent);
  background: var(--color-dark);
  color: #FFFFFF;
}

.contact-grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(3rem, 9vw, 8rem);
}

.contact-grid h2 {
  max-width: 17ch;
  margin-bottom: 0;
}

.contact-copy > p {
  max-width: 52ch;
  margin: 0 0 1.5rem;
  color: var(--color-dark-muted);
  font-size: 1.03rem;
}

.contact-email {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  margin-left: 1rem;
  color: #FFFFFF;
  font-size: 0.9rem;
  text-underline-offset: 5px;
}

.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2rem;
}

.footer-wordmark {
  margin-bottom: 0.25rem;
}

.footer-grid p {
  margin: 0.2rem 0;
  color: var(--color-muted);
  font-size: 0.82rem;
}

.footer-legal {
  justify-self: end;
  text-align: right;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0 0.25rem;
  margin-bottom: 0.5rem;
}

.footer-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding-inline: 0.45rem;
  color: var(--color-text);
  font-size: 0.82rem;
  font-weight: 680;
  text-underline-offset: 4px;
}

.footer-nav a:hover {
  color: var(--color-primary);
}

.error-page {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.error-main {
  display: grid;
  place-items: center;
  padding: var(--section-space) 0;
  background: var(--color-primary-soft);
}

.error-card {
  max-width: 700px;
  padding: clamp(1.5rem, 5vw, 3.5rem);
  border: 1px solid var(--color-control-border);
  border-top: 4px solid var(--color-primary);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.error-code {
  margin: 0 0 0.5rem;
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.09em;
}

.error-card h1 {
  max-width: 12ch;
  margin-bottom: 1rem;
  font-size: clamp(2.4rem, 6vw, 4.25rem);
}

.error-card > p:not(.error-code) {
  max-width: 55ch;
  margin: 0 0 1.75rem;
  color: var(--color-muted);
  font-size: 1.03rem;
}

@media (max-width: 1060px) {
  .catalogue-row {
    grid-template-columns: minmax(220px, 0.8fr) repeat(2, minmax(0, 1fr));
  }

  .catalogue-row > .text-link {
    grid-column: 2 / -1;
    justify-self: start;
  }
}

@media (max-width: 920px) {
  html:not(.js) .site-header {
    position: static;
  }

  .header-inner {
    flex-wrap: wrap;
    padding-block: 0.5rem;
  }

  .site-nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-bottom: 0.5rem;
  }

  .site-nav .button {
    grid-column: 1 / -1;
  }

  .js .header-inner {
    flex-wrap: nowrap;
    padding-block: 0;
  }

  .js .nav-toggle {
    display: inline-flex;
  }

  .js .site-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    left: 0;
    width: auto;
    display: none;
    max-height: calc(100vh - 5.5rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    align-items: stretch;
    grid-template-columns: 1fr;
    padding: 0.75rem;
    border: 1px solid var(--color-control-border);
    border-radius: 4px;
    background: var(--color-surface);
  }

  .js .site-nav[data-open="true"] {
    display: grid;
  }

  .site-nav > a:not(.button) {
    padding-inline: 0.5rem;
  }

  .hero-grid,
  .heading-split,
  .why-grid,
  .backup-grid,
  .recovery-block,
  .approach-grid,
  .audience-grid,
  .about-grid,
  .faq-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .heading-split {
    align-items: start;
    gap: 1.5rem;
  }

  .hero-note {
    width: min(100%, 650px);
  }

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

  .hero-facts li:nth-child(3) {
    border-left: 0;
  }

  .hero-facts li:nth-child(n + 3) {
    border-top: 1px solid var(--color-border);
  }

  .primary-service {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .service-heading {
    max-width: 690px;
  }

  .backup-grid {
    gap: 2.5rem;
  }

  .backup-map {
    width: min(100%, 720px);
  }

  .recovery-block,
  .approach-grid,
  .faq-grid {
    gap: 2.5rem;
  }

  .catalogue-row {
    grid-template-columns: minmax(210px, 0.78fr) minmax(0, 1.22fr);
  }

  .catalogue-row > div:nth-child(3) {
    grid-column: 2;
  }

  .catalogue-row > .text-link {
    grid-column: 2;
  }

  .faq-heading {
    position: static;
  }

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

  .footer-legal {
    justify-self: start;
    text-align: left;
  }

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

@media (max-width: 680px) {
  .section {
    padding-block: clamp(3.5rem, 14vw, 4.75rem);
  }

  .hero {
    padding-top: 3.5rem;
  }

  h1 {
    font-size: clamp(2.4rem, 11vw, 3.15rem);
  }

  h2 {
    font-size: clamp(1.9rem, 9vw, 2.55rem);
  }

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

  .hero-actions .button {
    width: 100%;
  }

  .hero-facts,
  .service-boundaries,
  .recovery-cycle,
  .audience-lists {
    grid-template-columns: 1fr;
  }

  .hero-facts li,
  .hero-facts li:first-child {
    padding-inline: 1rem;
  }

  .hero-facts li + li,
  .hero-facts li:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--color-border);
  }

  .service-boundaries div,
  .service-boundaries div:first-child {
    padding: 1rem 0;
  }

  .service-boundaries div + div {
    border-top: 1px solid var(--color-border);
    border-left: 0;
  }

  .backup-node {
    grid-template-columns: 1.65rem minmax(0, 1fr);
  }

  .backup-node b {
    grid-column: 2;
  }

  .recovery-cycle li,
  .recovery-cycle li:first-child {
    padding: 1rem 0;
  }

  .recovery-cycle li + li {
    border-top: 1px solid var(--color-border);
    border-left: 0;
  }

  .catalogue-row {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .catalogue-row > div:nth-child(3),
  .catalogue-row > .text-link {
    grid-column: 1;
  }

  .catalogue-row > .text-link {
    margin-top: 0.2rem;
  }

  .operating-principles dl > div {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .contact-email {
    display: flex;
    margin: 0.75rem 0 0;
  }
}

@media (max-width: 460px) {
  .container {
    width: min(calc(100% - 2rem), var(--container));
  }

  .header-inner {
    min-height: 62px;
  }

  .wordmark {
    font-size: 1.08rem;
  }

  .hero {
    padding-top: 2.75rem;
  }

  .hero-note {
    padding-top: 1.15rem;
  }

  .backup-map {
    padding: 1rem;
  }

  .backup-node {
    padding: 0.85rem 0.75rem;
  }

  .faq-list summary {
    gap: 0.85rem;
    font-size: 0.95rem;
  }

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

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

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