/* IT brand website — Orange Signal */
:root {
  --canvas: #f6f7f7;
  --surface: #ffffff;
  --ink: #15181a;
  --muted: #667076;
  --line: #dde1e3;
  --line-strong: #bbc2c6;
  --action: #c74414;
  --action-hover: #af350f;
  --brand-yellow: #f59b12;
  --brand-orange: #f47b18;
  --brand-red: #f15a24;
  --radius: 8px;
  --container: 82.5rem;
  --gutter: clamp(1.25rem, 4vw, 5rem);
  --section-space: clamp(3.75rem, 6vw, 5.75rem);
  --title-1: clamp(3.5rem, 5.6vw, 5rem);
  --title-2: clamp(2.25rem, 3.8vw, 3.25rem);
  --title-3: clamp(1.25rem, 1.7vw, 1.625rem);
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
  --header-height: 4.5rem;
  --nav-overlay-top: var(--header-height);
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
  background: var(--canvas);
}

body {
  margin: 0;
  min-width: 20rem;
  overflow-x: hidden;
  background: var(--canvas);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.23em;
}

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

button,
a {
  touch-action: manipulation;
}

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

button {
  color: inherit;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd,
figure {
  margin-top: 0;
}

h1,
h2,
h3 {
  margin-bottom: 0;
  font-weight: 680;
  letter-spacing: 0;
  line-height: 1.16;
  text-wrap: balance;
}

h1 {
  max-width: 12ch;
  font-size: var(--title-1);
}

h2 {
  font-size: var(--title-2);
}

h3 {
  font-size: var(--title-3);
}

p,
li,
dd {
  max-width: 46rem;
}

::selection {
  background: rgba(199, 68, 20, 0.18);
  color: var(--ink);
}

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

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 0.75rem;
  min-height: 2.75rem;
  padding: 0.5rem 1rem;
  transform: translateY(-160%);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--surface);
  font-weight: 650;
  text-decoration: none;
  transition: transform 160ms var(--ease);
}

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

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

.site-header {
  position: sticky;
  z-index: 103;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 247, 247, 0.96);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: var(--header-height);
  gap: 2rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  text-decoration: none;
}

.brand-link img {
  width: 3.75rem;
  height: 2.5rem;
  object-fit: contain;
  object-position: center;
}

.site-nav {
  justify-self: end;
}

.site-nav ul,
.footer-nav,
.inline-links,
.hero-scope,
.service-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list {
  position: relative;
  gap: clamp(0.25rem, 2vw, 1.75rem);
}

.nav-group {
  position: relative;
}

.nav-primary-row {
  display: flex;
  align-items: center;
}

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding-inline: 0.5rem;
  color: var(--muted);
  font-size: 0.9375rem;
  font-weight: 590;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  right: 0.5rem;
  bottom: 0.2rem;
  left: 0.5rem;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--action);
  content: "";
  transition: transform 180ms var(--ease);
}

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

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.submenu-toggle {
  display: inline-grid;
  width: 2rem;
  height: 2.75rem;
  place-items: center;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 180ms var(--ease), transform 180ms var(--ease);
}

.submenu-toggle:hover,
.submenu-toggle:focus-visible,
.submenu-toggle[aria-expanded="true"] {
  color: var(--ink);
}

.submenu-toggle[aria-expanded="true"] {
  transform: rotate(180deg);
}

.site-nav .nav-submenu {
  position: absolute;
  z-index: 104;
  top: calc(100% + 0.5rem);
  left: 0;
  display: grid;
  width: min(18rem, calc(100vw - (2 * var(--gutter))));
  min-width: 14rem;
  margin: 0;
  padding: 0.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 16px 40px rgba(21, 24, 26, 0.1);
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.375rem);
  transition: opacity 180ms var(--ease), transform 180ms var(--ease), visibility 180ms;
}

.nav-group:hover > .nav-submenu,
.nav-group:focus-within > .nav-submenu,
.nav-group.is-open > .nav-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-group.is-explicit-open > .nav-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-group.is-dismissed > .nav-submenu {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.375rem);
}

.site-nav a[data-current-section] {
  color: var(--ink);
}

.site-nav a[data-current-section]::after {
  transform: scaleX(1);
}

.site-nav .nav-submenu a {
  width: 100%;
  min-height: 2.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
}

.nav-group:last-of-type > .nav-submenu {
  right: 0;
  left: auto;
}

html:not(.js) .site-nav .nav-submenu {
  position: static;
  width: auto;
  min-width: 0;
  box-shadow: none;
  opacity: 1;
  visibility: visible;
  transform: none;
}

.nav-submenu a::after {
  display: none;
}

.nav-scrim {
  display: none;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 650;
}

.hero {
  position: relative;
  min-height: min(40rem, calc(100dvh - var(--header-height)));
  overflow: clip;
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: center;
  min-height: inherit;
  gap: 1.5rem;
  padding-block: clamp(4rem, 7vw, 6rem);
}

.hero-copy {
  position: relative;
  z-index: 2;
  grid-column: 1 / span 7;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 1.5rem;
  color: var(--action);
  font-size: 0.8125rem;
  font-weight: 720;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 2.5rem;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-yellow), var(--brand-red));
  content: "";
}

.hero-lead {
  max-width: 38rem;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: clamp(1.125rem, 1.8vw, 1.375rem);
  line-height: 1.75;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.72rem 1.2rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--action);
  color: var(--surface);
  font-weight: 680;
  line-height: 1.35;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 120ms ease;
}

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

.button:active {
  transform: scale(0.98);
}

.button-secondary {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--ink);
}

.button-secondary:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--action);
  font-weight: 680;
  text-decoration: underline;
}

.text-link::after {
  margin-left: 0.45rem;
  content: "→";
  transition: transform 160ms var(--ease);
}

.text-link:hover::after {
  transform: translateX(0.25rem);
}

.hero-mark {
  position: absolute;
  top: 50%;
  right: clamp(-16rem, -10vw, -6rem);
  width: min(56vw, 56rem);
  transform: translateY(-48%);
  pointer-events: none;
  user-select: none;
}

.hero-mark img {
  width: 100%;
  filter: saturate(1.04);
}

.hero-scope {
  gap: 0.45rem 1.25rem;
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.hero-scope li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.hero-scope li::before {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: var(--action);
  content: "";
}

.section {
  padding-block: var(--section-space);
  border-bottom: 1px solid var(--line);
}

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

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

.section-heading {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.5rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-kicker {
  grid-column: 1 / span 3;
  margin: 0;
  color: var(--action);
  font-size: 0.8125rem;
  font-weight: 720;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-heading h2,
.section-heading .page-heading {
  grid-column: 4 / span 7;
}

.section-intro {
  grid-column: 4 / span 7;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 1.0625rem;
}

.section-dark .section-kicker {
  color: #ff9f68;
}

.section-dark .section-intro,
.section-dark .muted {
  color: #b8c0c4;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.problem-item {
  min-height: 16rem;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.problem-item .signal {
  display: block;
  width: 0.75rem;
  height: 0.75rem;
  margin-bottom: clamp(3rem, 5vw, 5rem);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-yellow), var(--brand-red));
}

.problem-item p {
  margin: 1rem 0 0;
  color: var(--muted);
}

.service-list {
  border-top: 1px solid var(--line-strong);
}

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

.portal-item {
  display: flex;
  min-height: 15rem;
  flex-direction: column;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease;
}

.portal-item:hover {
  background: var(--ink);
  color: var(--surface);
}

.portal-item .data-label {
  margin-bottom: auto;
}

.portal-item h3 {
  margin-top: 3.5rem;
  font-size: clamp(1.5rem, 2.5vw, 2.125rem);
}

.portal-item p {
  margin: 0.75rem 0 0;
  color: var(--muted);
}

.portal-item:hover p,
.portal-item:hover .data-label {
  color: #cbd1d4;
}

.portal-domain {
  display: block;
  margin-top: 1.5rem;
  color: var(--action);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.8125rem;
  font-weight: 650;
}

.portal-item:hover .portal-domain {
  color: #ff9f68;
}

.showcase-carousel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.showcase-slide {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(18rem, 4fr);
  min-height: 28rem;
}

.showcase-media {
  min-height: 0;
  aspect-ratio: 16 / 7;
  background: #eef0f1;
}

.showcase-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-left: 1px solid var(--line);
}

.showcase-copy h3 {
  margin-top: 1rem;
  font-size: clamp(1.75rem, 2.5vw, 2.5rem);
}

.showcase-copy p:last-child {
  margin: 1rem 0 0;
  color: var(--muted);
}

.showcase-controls {
  display: grid;
  grid-template-columns: 2.75rem 1fr 2.75rem;
  align-items: center;
  gap: 1rem;
  min-height: 4rem;
  padding-inline: 1rem;
  border-top: 1px solid var(--line);
}

.carousel-arrow,
.carousel-dots button {
  border: 1px solid var(--line-strong);
  background: var(--surface);
  cursor: pointer;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease), transform 120ms var(--ease);
}

.carousel-arrow {
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border-radius: var(--radius);
}

.carousel-arrow:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.carousel-arrow:active {
  transform: scale(0.97);
}

.carousel-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
}

.carousel-dots button {
  position: relative;
  width: 2.75rem;
  height: 2.75rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
}

.carousel-dots button::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.75rem;
  height: 0.75rem;
  transform: translate(-50%, -50%);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  content: "";
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.carousel-dots button[aria-current="true"]::before {
  border-color: var(--action);
  background: var(--action);
}

.dense-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line);
}

.dense-item {
  min-height: 11rem;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.dense-item h3 {
  margin-bottom: 0.75rem;
}

.dense-item p {
  margin-bottom: 0;
  color: var(--muted);
}

.delivery-matrix {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line);
  list-style: none;
}

.delivery-matrix li {
  min-height: 9rem;
  padding: 1.5rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.delivery-matrix strong {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 1.0625rem;
}

.delivery-matrix span {
  color: var(--muted);
  font-size: 0.9375rem;
}

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

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  align-items: center;
  min-height: 5rem;
  gap: 1rem;
  cursor: pointer;
  font-size: clamp(1rem, 1.5vw, 1.1875rem);
  font-weight: 650;
  list-style: none;
}

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

.faq-item summary::before {
  color: var(--action);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.8125rem;
  content: attr(data-index);
}

.faq-item summary::after {
  width: 1.75rem;
  height: 1.75rem;
  color: var(--action);
  content: "+";
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.75rem;
  text-align: center;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  max-width: 52rem;
  margin: 0 0 1.75rem 4rem;
  color: var(--muted);
}

.choice-table {
  display: grid;
  border-top: 1px solid var(--line-strong);
}

.choice-row {
  display: grid;
  grid-template-columns: 2fr 3fr 3fr auto;
  align-items: center;
  gap: 1.5rem;
  min-height: 7rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.choice-row p {
  margin: 0;
  color: var(--muted);
}

.service-band {
  display: grid;
  grid-template-columns: 2fr 4fr 3fr auto;
  align-items: start;
  gap: clamp(1.25rem, 3vw, 3rem);
  min-height: 14rem;
  padding-block: clamp(2rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--line);
}

.service-band-featured {
  min-height: 18rem;
}

.service-index,
.data-label {
  color: var(--muted);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

.service-band h3 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
}

.service-band p {
  margin: 0;
  color: var(--muted);
}

.service-band .text-link {
  align-self: center;
  white-space: nowrap;
}

.process-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid #34393c;
  counter-reset: process;
  list-style: none;
}

.process-item {
  display: grid;
  grid-template-columns: 1fr 3fr 4fr;
  gap: 1.5rem;
  padding-block: 2rem;
  border-bottom: 1px solid #34393c;
  counter-increment: process;
}

.process-item::before {
  color: #ff9f68;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.875rem;
  content: "0" counter(process);
}

.process-item h3 {
  font-size: 1.25rem;
}

.process-item p {
  margin: 0;
  color: #b8c0c4;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.principle-item {
  min-height: 18rem;
  padding: clamp(1.75rem, 4vw, 3.5rem);
  background: var(--surface);
}

.principle-item::before {
  display: block;
  width: 3.5rem;
  height: 0.25rem;
  margin-bottom: 5rem;
  background: linear-gradient(90deg, var(--brand-yellow), var(--brand-red));
  content: "";
}

.principle-item p {
  margin: 1rem 0 0;
  color: var(--muted);
}

.about-grid,
.detail-grid,
.page-hero-grid,
.brand-statement-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.5rem;
}

.about-copy {
  grid-column: 1 / span 6;
}

.about-aside {
  grid-column: 8 / span 5;
  align-self: end;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.about-copy p {
  margin: 1.75rem 0 0;
  color: var(--muted);
  font-size: 1.125rem;
}

.about-aside p {
  margin-bottom: 0;
  color: var(--muted);
}

.trademark-list {
  margin: 0;
  border-top: 1px solid var(--line-strong);
}

.trademark-row {
  display: grid;
  grid-template-columns: 2fr 3fr 4fr;
  gap: 1.5rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.trademark-row dt,
.trademark-row dd {
  margin: 0;
}

.trademark-row dd {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.9375rem;
  font-variant-numeric: tabular-nums;
}

.trademark-notice,
.boundary-note {
  max-width: 52rem;
  margin: 2rem 0 0;
  padding-left: 1rem;
  border-left: 3px solid var(--action);
  color: var(--muted);
  font-size: 0.875rem;
}

.final-cta {
  position: relative;
  overflow: hidden;
  padding-block: clamp(4.5rem, 10vw, 8rem);
  background: var(--surface);
}

.final-cta::after {
  position: absolute;
  right: -5rem;
  bottom: -9rem;
  width: 25rem;
  height: 25rem;
  border: 4rem solid rgba(241, 90, 36, 0.07);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.final-cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 2fr 1fr;
  align-items: end;
  gap: 2rem;
}

.final-cta h2 {
  max-width: 14ch;
}

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

.final-cta .section-actions {
  justify-content: flex-end;
  margin: 0;
}

.site-footer {
  padding-block: 2rem;
  border-top: 1px solid var(--line);
  background: var(--canvas);
  color: var(--muted);
  font-size: 0.875rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1.5rem;
}

.footer-inner p {
  margin: 0;
}

.footer-nav {
  justify-content: flex-end;
  gap: 0.25rem 1.25rem;
}

.footer-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
}

.footer-nav a,
.footer-compliance a {
  text-decoration: none;
}

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

.footer-compliance {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
}

.page-hero {
  padding-block: clamp(4rem, 8vw, 7rem);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.page-hero-copy {
  grid-column: 1 / span 8;
}

.page-hero h1 {
  max-width: 14ch;
}

.page-hero .hero-lead {
  max-width: 48rem;
}

.page-hero-meta {
  grid-column: 10 / span 3;
  align-self: end;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.875rem;
}

.page-hero-meta p:last-child {
  margin-bottom: 0;
}

.service-overview .service-band {
  grid-template-columns: 0.6fr 2fr 3fr 2fr auto;
}

.service-overview .service-band > p:last-of-type {
  font-size: 0.9375rem;
}

.detail-section {
  padding-block: clamp(4rem, 8vw, 7rem);
  border-bottom: 1px solid var(--line);
}

.detail-label {
  grid-column: 1 / span 3;
}

.detail-content {
  grid-column: 4 / span 7;
}

.detail-aside {
  grid-column: 11 / span 2;
  align-self: start;
  color: var(--muted);
  font-size: 0.8125rem;
}

.detail-content h2,
.article-body h2 {
  font-size: clamp(2rem, 3vw, 2.875rem);
}

.detail-content > p:first-of-type {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 1.0625rem;
}

.check-list,
.deliverable-list,
.scope-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 2.5rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.check-list li,
.deliverable-list li,
.scope-list li {
  position: relative;
  min-height: 5rem;
  padding: 1.25rem 1rem 1.25rem 2rem;
  border-bottom: 1px solid var(--line);
}

.check-list li:nth-child(odd),
.deliverable-list li:nth-child(odd),
.scope-list li:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.check-list li::before,
.deliverable-list li::before,
.scope-list li::before {
  position: absolute;
  top: 1.7rem;
  left: 0.25rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--action);
  content: "";
}

.detail-navigation {
  padding-block: 3rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.inline-links {
  gap: 0.75rem 2rem;
}

.inline-links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  font-weight: 620;
}

.brand-statement {
  padding-block: var(--section-space);
  border-bottom: 1px solid var(--line);
}

.brand-statement-title {
  grid-column: 1 / span 7;
}

.brand-statement-body {
  grid-column: 9 / span 4;
  align-self: end;
}

.brand-statement-body p {
  color: var(--muted);
}

.brand-values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 4rem;
  border-top: 1px solid var(--line);
}

.brand-value {
  padding: 2rem 2rem 0 0;
}

.brand-value + .brand-value {
  padding-left: 2rem;
  border-left: 1px solid var(--line);
}

.brand-value p {
  color: var(--muted);
}

.error-page {
  display: grid;
  align-items: center;
  min-height: calc(100dvh - var(--header-height));
  padding-block: clamp(5rem, 12vw, 10rem);
}

.error-code {
  display: block;
  margin-bottom: 1rem;
  color: var(--action);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
}

.error-page h1 {
  max-width: 10ch;
}

.error-page p {
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 1.125rem;
}

.knowledge-hero {
  padding-block: clamp(4rem, 7vw, 6rem);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.knowledge-hero-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.5rem;
}

.knowledge-hero-copy {
  grid-column: 1 / span 8;
}

.knowledge-hero-copy h1 {
  max-width: 15ch;
  font-size: clamp(3.25rem, 5vw, 4.5rem);
}

.knowledge-hero-aside {
  grid-column: 10 / span 3;
  align-self: end;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-strong);
  color: var(--muted);
}

.knowledge-category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line);
}

.knowledge-category {
  display: flex;
  min-height: 17rem;
  flex-direction: column;
  padding: clamp(1.75rem, 4vw, 3rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.knowledge-category h2,
.knowledge-category h3 {
  margin-top: auto;
  font-size: clamp(1.75rem, 3vw, 2.75rem);
}

.knowledge-category p {
  margin: 1rem 0 0;
  color: var(--muted);
}

.knowledge-category .text-link {
  width: fit-content;
  margin-top: 1.25rem;
}

.article-list {
  border-top: 1px solid var(--line-strong);
}

.article-teaser {
  display: grid;
  grid-template-columns: 1fr 5fr 4fr auto;
  align-items: start;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding-block: clamp(1.75rem, 3vw, 2.75rem);
  border-bottom: 1px solid var(--line);
}

.article-teaser h2,
.article-teaser h3 {
  font-size: clamp(1.35rem, 2.5vw, 2rem);
}

.article-teaser p {
  margin: 0;
  color: var(--muted);
}

.article-teaser .text-link {
  align-self: center;
  white-space: nowrap;
}

.breadcrumb {
  margin-bottom: 2rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb li + li::before {
  margin-right: 0.6rem;
  color: var(--line-strong);
  content: "/";
}

.article-header {
  padding-block: clamp(3.5rem, 8vw, 6.5rem);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.article-header-inner {
  max-width: 64rem;
}

.article-header h1 {
  max-width: 17ch;
  font-size: clamp(3rem, 5vw, 4.5rem);
}

.article-deck {
  max-width: 48rem;
  margin: 1.75rem 0 0;
  color: var(--muted);
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-top: 2rem;
  color: var(--muted);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.8125rem;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(12rem, 2fr) minmax(0, 7fr) minmax(10rem, 2fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding-block: clamp(3.5rem, 8vw, 7rem);
}

.article-toc {
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
  align-self: start;
  padding-top: 1rem;
  border-top: 1px solid var(--line-strong);
}

.article-toc p {
  margin-bottom: 0.75rem;
}

.article-toc ol {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.article-toc a {
  display: inline-block;
  padding-block: 0.35rem;
}

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

.article-body section + section {
  margin-top: clamp(3.5rem, 7vw, 6rem);
}

.article-body h2 {
  max-width: 20ch;
}

.article-body h3 {
  margin-top: 2.25rem;
}

.article-body p,
.article-body li {
  max-width: 44rem;
}

.article-body p {
  margin: 1.25rem 0 0;
}

.article-body ul,
.article-body ol {
  margin: 1.5rem 0 0;
  padding-left: 1.5rem;
}

.article-body li + li {
  margin-top: 0.65rem;
}

.pitfall-box,
.checklist-box,
.note-box {
  margin-top: 2rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-left: 4px solid var(--action);
  border-radius: var(--radius);
  background: var(--surface);
}

.pitfall-box h3,
.checklist-box h3,
.note-box h3 {
  margin-top: 0;
}

.pitfall-box p,
.checklist-box p,
.note-box p {
  margin-top: 0.75rem;
  color: var(--muted);
}

.article-side-note {
  align-self: start;
  padding-top: 1rem;
  border-top: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.8125rem;
}

.related-knowledge {
  padding-block: clamp(3.5rem, 7vw, 6rem);
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.related-card {
  min-height: 12rem;
  padding: 1.5rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.related-card p {
  color: var(--muted);
}

.related-card a {
  font-weight: 680;
}

.contact-dialog {
  width: min(calc(100% - 2rem), 28rem);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
}

.contact-dialog::backdrop {
  background: rgba(21, 24, 26, 0.62);
}

.contact-dialog-inner {
  padding: 2rem;
}

.contact-dialog img {
  width: min(100%, 20rem);
  margin: 1.5rem auto 0;
  aspect-ratio: 1;
  object-fit: contain;
}

.dialog-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  float: right;
  min-width: 2.75rem;
  min-height: 2.75rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
}

.muted {
  color: var(--muted);
}

.no-margin {
  margin: 0;
}

.js.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(0.5rem);
  transition: opacity 240ms var(--ease), transform 240ms var(--ease);
}

.js.reveal-ready [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (hover: hover) and (pointer: fine) {
  .problem-item,
  .principle-item {
    transition: background 180ms ease;
  }

  .problem-item:hover,
  .principle-item:hover {
    background: #fbfbfa;
  }
}

@media (max-width: 63.99rem) {
  :root {
    --gutter: clamp(1.5rem, 4vw, 2.5rem);
  }

  .hero-copy {
    grid-column: 1 / span 8;
  }

  .hero-mark {
    right: -18rem;
    width: 65vw;
  }

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

  .service-band {
    grid-template-columns: 1fr 3fr 4fr;
  }

  .service-band .text-link {
    grid-column: 2 / -1;
    justify-self: start;
  }

  .service-overview .service-band {
    grid-template-columns: 0.6fr 2fr 3fr;
  }

  .service-overview .service-band > p:last-of-type,
  .service-overview .service-band .text-link {
    grid-column: 2 / -1;
  }

  .section-heading h2,
  .section-heading .page-heading,
  .section-intro {
    grid-column: 4 / -1;
  }

  .detail-content {
    grid-column: 4 / span 8;
  }

  .detail-aside {
    grid-column: 4 / span 8;
    margin-top: 1rem;
  }

  .page-hero-copy {
    grid-column: 1 / span 9;
  }
}

@media (max-width: 47.99rem) {
  :root {
    --header-height: 3.75rem;
    --gutter: 1.25rem;
    --section-space: 4.5rem;
  }

  :root {
    --title-1: clamp(2.5rem, 12vw, 3rem);
    --title-2: clamp(1.875rem, 8vw, 2.375rem);
  }

  h1 {
    max-width: none;
  }

  .knowledge-hero-copy h1,
  .article-header h1 {
    font-size: var(--title-1);
  }

  .header-inner {
    grid-template-columns: auto 1fr auto;
    min-height: var(--header-height);
    gap: 0.75rem;
  }

  .brand-link img {
    width: 3rem;
    height: 2rem;
  }

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

  body.nav-open {
    overflow: hidden;
  }

  .js .site-nav {
    position: fixed;
    z-index: 102;
    top: var(--nav-overlay-top);
    right: 0;
    bottom: 0;
    left: auto;
    width: min(26rem, calc(100% - 1rem));
    justify-self: stretch;
    display: block;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0.75rem var(--gutter) 2rem;
    background: var(--canvas);
  }

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

  .js .nav-scrim {
    position: fixed;
    z-index: 101;
    inset: var(--nav-overlay-top) 0 0;
    display: block;
    border: 0;
    background: rgba(21, 24, 26, 0.18);
  }

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

  .site-nav .nav-list {
    display: grid;
    gap: 0;
    border-top: 1px solid var(--line);
  }

  .nav-primary-row {
    display: grid;
    grid-template-columns: 1fr 2.75rem;
    border-bottom: 1px solid var(--line);
  }

  .nav-primary-row > a {
    border-bottom: 0;
  }

  .submenu-toggle {
    width: 2.75rem;
    min-height: 3rem;
  }

  .site-nav a {
    min-height: 3rem;
    padding-inline: 0;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a::after {
    right: auto;
    bottom: -1px;
    left: 0;
    width: 2.5rem;
  }

  .site-nav .nav-submenu {
    position: static;
    display: grid;
    width: auto;
    min-width: 0;
    margin: 0;
    padding: 0.25rem 0 0.75rem 1rem;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

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

  .showcase-slide {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .showcase-media {
    aspect-ratio: 4 / 3;
  }

  .showcase-copy {
    min-height: 12rem;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    display: flex;
    min-height: auto;
    flex-direction: column;
    align-items: stretch;
    padding-block: 4.5rem 3rem;
  }

  .hero-copy {
    order: 1;
  }

  .hero-mark {
    position: relative;
    top: auto;
    right: auto;
    order: 2;
    width: min(72vw, 22rem);
    margin: 3.5rem auto 0;
    transform: none;
  }

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

  .button,
  .text-link {
    width: 100%;
  }

  .hero-scope {
    display: grid;
    grid-template-columns: 1fr;
  }

  .section-heading,
  .about-grid,
  .detail-grid,
  .page-hero-grid,
  .brand-statement-grid,
  .knowledge-hero-grid {
    display: block;
  }

  .knowledge-hero-aside {
    margin-top: 2.5rem;
  }

  .knowledge-category-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .knowledge-category {
    min-height: 14rem;
  }

  .article-teaser {
    grid-template-columns: 2.5rem 1fr;
  }

  .article-teaser p,
  .article-teaser .text-link {
    grid-column: 2;
  }

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

  .article-toc {
    position: static;
  }

  .article-side-note {
    margin-top: 1rem;
  }

  .section-kicker {
    margin-bottom: 1.25rem;
  }

  .section-intro {
    margin-top: 1.25rem;
  }

  .problem-grid,
  .principle-grid,
  .brand-values,
  .portal-strip,
  .dense-grid,
  .delivery-matrix {
    grid-template-columns: 1fr;
  }

  .portal-item {
    min-height: 13rem;
  }

  .choice-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding-block: 1.5rem;
  }

  .choice-row .text-link {
    margin-top: 0.5rem;
  }

  .faq-item summary {
    grid-template-columns: 2rem 1fr auto;
    gap: 0.5rem;
    padding-block: 0.75rem;
  }

  .faq-answer {
    margin-left: 2.5rem;
  }

  .problem-item {
    min-height: auto;
  }

  .problem-item .signal {
    margin-bottom: 2.5rem;
  }

  .service-band,
  .service-overview .service-band {
    display: grid;
    grid-template-columns: 3rem 1fr;
    min-height: 0;
  }

  .service-band h3,
  .service-band p,
  .service-band .text-link,
  .service-overview .service-band > p:last-of-type,
  .service-overview .service-band .text-link {
    grid-column: 2;
  }

  .service-band p,
  .service-band .text-link {
    margin-top: 0.75rem;
  }

  .process-item {
    grid-template-columns: 3rem 1fr;
  }

  .process-item p {
    grid-column: 2;
  }

  .principle-item {
    min-height: 15rem;
  }

  .principle-item::before {
    margin-bottom: 3.5rem;
  }

  .about-aside {
    margin-top: 3rem;
  }

  .trademark-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .trademark-row dd + dd {
    margin-top: 0.75rem;
  }

  .final-cta-inner,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .final-cta .section-actions,
  .footer-nav {
    justify-content: flex-start;
  }

  .page-hero-meta {
    margin-top: 3rem;
  }

  .detail-label {
    margin-bottom: 1rem;
  }

  .detail-aside {
    margin-top: 1.5rem;
  }

  .check-list,
  .deliverable-list,
  .scope-list {
    grid-template-columns: 1fr;
  }

  .check-list li:nth-child(odd),
  .deliverable-list li:nth-child(odd),
  .scope-list li:nth-child(odd) {
    border-right: 0;
  }

  .brand-statement-body {
    margin-top: 2rem;
  }

  .brand-value,
  .brand-value + .brand-value {
    padding: 2rem 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 23.5rem) {
  .container {
    width: min(calc(100% - 2rem), var(--container));
  }

  .hero-actions,
  .section-actions {
    gap: 0.625rem;
  }
}

@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;
  }

  .js.reveal-ready [data-reveal] {
    opacity: 1;
    transform: none;
  }
}