@font-face {
  font-family: Inter;
  src: url("assets/inter-variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
:root {
  --navy: #0b1220;
  --graphite: #27303a;
  --surface-middle: var(--graphite);
  --surface-raised: var(--graphite);
  --ink: #111d29;
  --paper: #f6f7f9;
  --cyan: #00e5ff;
  --muted: #adb8c7;
  --line: #2b3544;
  --max: 1280px;
  color-scheme: dark;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 95px;
}
body {
  margin: 0;
  padding-top: 94px;
  background: var(--navy);
  color: var(--paper);
  font-family: Inter, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}
::selection {
  background: var(--cyan);
  color: var(--navy);
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 6px;
}
img {
  max-width: 100%;
  display: block;
}
p,
h1,
h2,
h3 {
  margin: 0;
}
h1,
h2,
h3 {
  line-height: 1.12;
  font-weight: 500;
  letter-spacing: -0.04em;
  text-wrap: balance;
}
p {
  text-wrap: pretty;
}
h2 {
  font-size: clamp(34px, 3.65vw, 54px);
}
h3 {
  letter-spacing: -0.025em;
}
em {
  font-style: normal;
  color: #506270;
}
.cyan {
  color: var(--cyan);
}
.arrow {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  flex-shrink: 0;
}
.down {
  transform: rotate(90deg);
}
.status-dot {
  width: 7px;
  height: 7px;
  background: var(--cyan);
  display: inline-block;
  flex-shrink: 0;
  border-radius: 50%;
}
.skip-link {
  position: fixed;
  left: 20px;
  top: -100px;
  z-index: 100;
  background: var(--cyan);
  color: var(--navy);
  padding: 12px 20px;
}
.skip-link:focus {
  top: 15px;
}
.header {
  height: 94px;
  max-width: 1440px;
  margin: auto;
  padding: 0 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  position: fixed;
  inset: 0 0 auto;
  width: 100%;
  max-width: none;
  padding-inline: max(64px, calc((100vw - var(--max)) / 2));
  background: rgba(11, 18, 32, 0.95);
  backdrop-filter: blur(14px);
  z-index: 20;
}
.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  line-height: 1.03;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.035em;
}
.brand > span > span {
  display: block;
}
.brand img {
  object-fit: contain;
}
.header nav {
  display: flex;
  align-items: center;
  gap: 35px;
  font-size: 13px;
}
.header nav > a:not(.nav-contact) {
  color: #c3cbd6;
}
.header nav > a:hover {
  color: var(--cyan);
}
.nav-contact {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: 25px;
  border-bottom: 1px solid var(--cyan);
  padding: 8px 0;
}
.menu-toggle {
  display: none;
}
.hero {
  max-width: 1440px;
  margin: auto;
  position: relative;
  min-height: 710px;
  display: flex;
  align-items: center;
  padding: 64px 64px 130px;
  overflow: hidden;
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 63%;
  pointer-events: none;
}
.hero-content > * {
  pointer-events: auto;
}
.hero h1 {
  font-size: clamp(48px, 5.2vw, 76px);
  line-height: 1.075;
  max-width: 840px;
  font-weight: 450;
  letter-spacing: -0.04em;
}
.hero h1 span {
  color: var(--cyan);
}
.hero-content > p {
  max-width: 490px;
  margin: 28px 0 34px;
  font-size: 17px;
  color: #c2cbd6;
  line-height: 1.7;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 17px 24px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--cyan);
  transition:
    background 0.2s,
    color 0.2s;
}
.primary {
  background: var(--cyan);
  color: var(--navy);
}
.primary:hover {
  background: #9af5ff;
  border-color: #9af5ff;
}
.button:hover .arrow {
  transform: translateX(3px);
}
.arrow {
  transition: transform 0.2s;
}
.text-link {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 23px;
  font-size: 12px;
  color: #b8c4d0;
  width: fit-content;
}
.text-link:hover {
  color: white;
}
.hero-image {
  position: absolute;
  inset: 0 0 0 47%;
  overflow: hidden;
}
.hero-image > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 45% 45%;
  filter: saturate(0.22) brightness(0.72);
}
.hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      var(--navy),
      rgba(11, 18, 32, 0.35) 40%,
      rgba(11, 18, 32, 0) 78%
    ),
    linear-gradient(0deg, var(--navy), transparent 30%);
}
.image-note {
  position: absolute;
  z-index: 1;
  right: 44px;
  bottom: 134px;
  display: flex;
  gap: 11px;
  align-items: center;
  font-size: 10px;
  letter-spacing: 0.05em;
  color: #dae3e8;
}
.hero-bottom {
  position: absolute;
  bottom: 30px;
  left: 64px;
  right: 64px;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid #3c4756;
  padding-top: 22px;
  font-size: 10px;
  letter-spacing: 0.09em;
  color: #b2bdcb;
}
.hero-bottom span:first-child {
  color: var(--paper);
}
.principles {
  max-width: 1440px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 32px 64px 40px;
  background: #121d2b;
  border-top: 1px solid var(--line);
  font-size: 15px;
  font-weight: 500;
  color: var(--paper);
}
.principles span {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  border-radius: 12px;
  background: var(--graphite);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
  cursor: default;
  flex: 1;
  justify-content: flex-start;
}
.principles span::before {
  content: "";
  width: 15px;
  height: 1px;
  background: var(--cyan);
}
.section {
  padding: 110px max(64px, calc((100vw - var(--max)) / 2));
}
.section-heading {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 100px;
  align-items: end;
  margin-bottom: 55px;
}
.section-heading > p {
  font-size: 16px;
  color: var(--muted);
  max-width: 390px;
}
.light {
  background: var(--paper);
  color: var(--ink);
  color-scheme: light;
}
.light .section-heading > p {
  color: #52616e;
}
.challenge-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 45px;
  border-top: 1px solid #cbd1d8;
  padding-top: 35px;
}
.small-symbol {
  display: block;
  font-size: 25px;
  color: #61737e;
  line-height: 1;
  margin-bottom: 32px;
}
.challenge-list h3 {
  font-size: 21px;
  margin-bottom: 16px;
}
.challenge-list p {
  font-size: 14px;
  color: #52616e;
  max-width: 300px;
}
.challenge-close {
  display: flex;
  gap: 24px;
  align-items: center;
  border-top: 1px solid #cbd1d8;
  margin-top: 50px;
  padding-top: 30px;
  font-size: 18px;
  line-height: 1.65;
}
.challenge-close .status-dot {
  background: #007d8c;
}
.challenge-close strong {
  font-weight: 550;
}
.solutions {
  padding-bottom: 80px;
}
.service-list article {
  display: grid;
  grid-template-columns: 1fr 1fr 44px;
  gap: 60px;
  border-top: 1px solid var(--line);
  padding: 36px 0;
  align-items: center;
}
.service-title h3 {
  font-size: 25px;
  margin-bottom: 10px;
}
.service-title > span {
  font-size: 11px;
  color: var(--cyan);
}
.service-list p {
  font-size: 14px;
  color: var(--muted);
  max-width: 470px;
}
.service-list article > a {
  width: 45px;
  height: 45px;
  display: grid;
  place-items: center;
  border: 1px solid #475261;
  border-radius: 50%;
  color: var(--paper);
  transition:
    color 0.2s,
    border-color 0.2s;
}
.service-list article > a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}
.method {
  background: #15212e;
  border-top: 1px solid var(--line);
}
.method h2 em {
  color: #9aaec0;
}
.method-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid #4d5967;
  gap: 0;
}
.method-tabs button {
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: #b7c4d0;
  text-align: left;
  cursor: pointer;
  padding: 18px 0 20px;
  font-size: 14px;
}
.method-tabs button > span {
  display: block;
  font-size: 11px;
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}
.method-tabs button[aria-selected="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.method-tabs button:hover {
  color: white;
}
.method-panels [role="tabpanel"] {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 100px;
  padding-top: 48px;
  min-height: 235px;
}
.method-panels [hidden] {
  display: none;
}
.method-panels h3 {
  font-size: 29px;
  margin-bottom: 22px;
}
.method-panels p {
  color: #b7c4d0;
  font-size: 14px;
  max-width: 510px;
}
.method-output {
  border-left: 1px solid #4a5866;
  padding-left: 40px;
}
.method-output > span {
  font-size: 11px;
  color: #a8bbca;
}
.method-output ul {
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}
.method-output li {
  font-size: 14px;
  padding: 10px 0;
  display: flex;
  gap: 15px;
  align-items: center;
}
.method-output li::before {
  content: "";
  display: block;
  width: 5px;
  height: 5px;
  background: var(--cyan);
}
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
}
.about-statement h2 {
  font-size: clamp(45px, 5.3vw, 76px);
}
.about-statement img {
  margin-top: 62px;
  opacity: 0.85;
}
.large-copy {
  font-size: 25px;
  color: white;
  line-height: 1.4;
  letter-spacing: -0.025em;
  margin-bottom: 27px;
}
.about-copy > p:not(.large-copy) {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 20px;
}
.about-values {
  margin-top: 30px;
  display: grid;
  gap: 18px;
  font-size: 14px;
  font-weight: 500;
  counter-reset: principle;
}
.about-values span {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 8px 0;
  border: 0;
  background: none;
  cursor: default;
  counter-increment: principle;
}
.about-values span:nth-child(2) {
  margin-left: 28px;
}
.about-values span:nth-child(3) {
  margin-left: 56px;
}
.about-values span::before {
  content: "0" counter(principle);
  font-size: 24px;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.025em;
  color: var(--cyan);
}
.faq {
  display: grid;
  grid-template-columns: 0.9fr 1.2fr;
  gap: 100px;
}
.faq .section-heading {
  display: block;
  margin: 0;
}
.faq .section-heading p {
  margin-top: 25px;
}
.faq details {
  border-top: 1px solid #cbd1d8;
}
.faq details:last-child {
  border-bottom: 1px solid #cbd1d8;
}
.faq summary {
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 24px 0;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: "+";
  font-weight: 400;
  font-size: 23px;
  flex-shrink: 0;
  color: #536672;
}
.faq details[open] summary::after {
  content: "−";
}
.faq details p {
  font-size: 14px;
  color: #52616e;
  max-width: 580px;
  padding: 0 28px 25px 0;
}
.light :focus-visible {
  outline-color: #007d8c;
}
.contact {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 90px;
  align-items: center;
  padding-top: 115px;
  padding-bottom: 115px;
}
.contact h2 {
  font-size: clamp(40px, 4.5vw, 64px);
}
.contact p {
  color: var(--muted);
  font-size: 15px;
  margin: 28px 0 32px;
}
.contact-signature img {
  width: 100%;
  max-width: 340px;
  margin: 0 auto 38px;
}
.contact-signature > span {
  display: block;
  text-align: center;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
}
footer {
  max-width: 1440px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 32px 64px;
  border-top: 1px solid var(--line);
  font-size: 10px;
  color: var(--muted);
}
footer .brand {
  font-size: 16px;
  color: var(--paper);
}
footer > a:last-child:hover {
  color: var(--cyan);
}
@media (min-width: 1600px) {
  .hero {
    min-height: 780px;
  }
  .hero h1 {
    font-size: 76px;
  }
}
@media (max-width: 1100px) {
  .header {
    padding: 0 36px;
  }
  .hero {
    padding-left: 36px;
    padding-right: 36px;
    min-height: 680px;
  }
  .hero-content {
    width: 70%;
  }
  .hero h1 {
    font-size: 60px;
  }
  .hero-bottom {
    left: 36px;
    right: 36px;
  }
  .section {
    padding: 85px 36px;
  }
  .section-heading {
    gap: 40px;
  }
  .service-list article {
    gap: 30px;
  }
  .principles {
    padding: 25px 36px;
    font-size: 14px;
  }
  .about,
  .faq,
  .contact {
    gap: 50px;
  }
  .header nav {
    gap: 22px;
  }
  .nav-contact {
    margin-left: 0;
  }
  .method-panels [role="tabpanel"] {
    gap: 45px;
  }
  footer {
    padding: 30px 36px;
  }
  footer p {
    display: none;
  }
}
@media (max-width: 760px) {
  html {
    scroll-padding-top: 96px;
  }
  body {
    padding-top: 80px;
  }
  .header {
    height: 80px;
    padding: 0 24px;
  }
  .header .brand {
    font-size: 18px;
  }
  .header .brand img {
    width: 49px;
  }
  .menu-toggle {
    display: flex;
    background: transparent;
    border: 1px solid #465464;
    padding: 12px 10px;
    width: 42px;
    height: 40px;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    color: var(--paper);
  }
  .menu-toggle span {
    width: 20px;
    height: 1px;
    background: currentColor;
    transition: transform 0.2s;
  }
  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }
  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }
  .header nav {
    display: none;
    position: absolute;
    top: 79px;
    left: 0;
    right: 0;
    padding: 25px 24px;
    background: #111d2b;
    border-bottom: 1px solid #465464;
    flex-direction: column;
    align-items: stretch;
    gap: 22px;
    box-shadow: 0 18px 30px rgba(0, 0, 0, 0.2);
  }
  .header nav.open {
    display: flex;
  }
  .nav-contact {
    justify-content: space-between;
  }
  .hero {
    padding: 55px 24px 120px;
    min-height: 720px;
    align-items: flex-start;
  }
  .hero-content {
    width: 100%;
  }
  .hero h1 {
    font-size: clamp(42px, 9.3vw, 62px);
    max-width: 600px;
  }
  .hero-content > p {
    font-size: 15px;
    max-width: 360px;
    margin: 25px 0 30px;
  }
  .hero-image {
    inset: 0;
    opacity: 0.4;
  }
  .hero-image > img {
    object-position: 65% 50%;
  }
  .hero-image::after {
    background:
      linear-gradient(
        90deg,
        var(--navy),
        rgba(11, 18, 32, 0.66) 60%,
        rgba(11, 18, 32, 0.25)
      ),
      linear-gradient(0deg, var(--navy), transparent 60%);
  }
  .image-note {
    display: none;
  }
  .hero-bottom {
    left: 24px;
    right: 24px;
    bottom: 28px;
    flex-direction: column;
    gap: 8px;
    font-size: 9px;
    padding-top: 18px;
  }
  .button {
    font-size: 13px;
    padding: 17px 20px;
    gap: 25px;
  }
  .principles {
    padding: 24px;
    flex-direction: column;
    gap: 16px;
    font-size: 14px;
  }
  .section {
    padding: 70px 24px;
  }
  .section-heading {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 37px;
  }
  .section-heading > p {
    font-size: 15px;
    max-width: 450px;
  }
  .challenge-list {
    grid-template-columns: 1fr;
    gap: 27px;
    padding-top: 28px;
  }
  .challenge-list article {
    position: relative;
    padding-left: 32px;
  }
  .small-symbol {
    position: absolute;
    left: 0;
    top: 1px;
    font-size: 22px;
    margin: 0;
  }
  .challenge-list h3 {
    font-size: 20px;
    margin-bottom: 10px;
  }
  .challenge-list p {
    max-width: 500px;
  }
  .challenge-close {
    margin-top: 35px;
    gap: 17px;
    font-size: 15px;
    align-items: flex-start;
  }
  .challenge-close .status-dot {
    margin-top: 9px;
  }
  .service-list article {
    grid-template-columns: 1fr 40px;
    gap: 18px;
    padding: 29px 0;
  }
  .service-title {
    grid-column: 1;
  }
  .service-title h3 {
    font-size: 24px;
  }
  .service-list article > p {
    grid-column: 1;
    grid-row: 2;
  }
  .service-list article > a {
    grid-column: 2;
    grid-row: 1;
    width: 38px;
    height: 38px;
  }
  .method-tabs {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 25px;
    border: 0;
  }
  .method-tabs button {
    padding-top: 17px;
    padding-bottom: 15px;
    font-size: 13px;
    border-bottom: 1px solid #4d5967;
  }
  .method-tabs button > span {
    margin-bottom: 7px;
  }
  .method-tabs button[aria-selected="true"] {
    border-bottom: 2px solid var(--cyan);
  }
  .method-panels [role="tabpanel"] {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-top: 35px;
    min-height: 410px;
  }
  .method-panels h3 {
    font-size: 27px;
  }
  .method-output {
    padding-left: 22px;
  }
  .method-output ul {
    margin-top: 10px;
  }
  .method-output li {
    padding: 7px 0;
    font-size: 13px;
  }
  .about {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .about-statement {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
  }
  .about-statement h2 {
    font-size: 42px;
  }
  .about-statement img {
    width: 75px;
    height: auto;
    margin: 0;
  }
  .large-copy {
    font-size: 23px;
  }
  .faq {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .faq .section-heading p {
    margin-top: 18px;
  }
  .faq summary {
    font-size: 14px;
    padding: 23px 0;
  }
  .contact {
    grid-template-columns: 1fr;
    gap: 45px;
  }
  .contact h2 {
    font-size: 42px;
  }
  .contact-signature {
    display: none;
  }
  footer {
    padding: 30px 24px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    font-size: 9px;
  }
  footer > span {
    grid-row: 2;
    grid-column: 1;
  }
  footer > a:last-child {
    grid-row: 2;
    grid-column: 2;
  }
  footer .brand {
    grid-column: 1 / -1;
  }
  body.menu-is-open {
    overflow: hidden;
  }
}
/* Shared finishing layer: readable details, precise states and compact mobile pacing. */
body {
  -webkit-font-smoothing: antialiased;
  scrollbar-color: #657584 var(--navy);
}
a,
button,
summary {
  touch-action: manipulation;
}
.brand {
  flex-shrink: 0;
  white-space: nowrap;
}
.hero-contact-note {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
}
.service-context {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 22px;
}
.small-symbol {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}
.button:focus-visible {
  outline: 2px solid var(--paper);
  outline-offset: 4px;
  box-shadow: 0 0 0 7px var(--navy);
}
.light .button:focus-visible {
  outline-color: #111d29;
}
.header .brand {
  min-height: 44px;
}
.method-tabs button[aria-selected="true"] {
  background-color: rgba(0, 229, 255, 0.035);
}
.brand img {
  height: auto;
}
.hero-content {
  pointer-events: auto;
}
.hero h1 {
  max-width: 12ch;
}
.hero-bottom,
.image-note {
  font-size: 12px;
  letter-spacing: 0.025em;
}
.service-title > span,
.method-output > span {
  font-size: 13px;
}
.method-tabs button > span {
  font-size: 12px;
}
.service-list article {
  transition: background-color 0.2s;
}
.service-list article:hover {
  background-color: rgba(125, 160, 180, 0.045);
}
.service-list article > a {
  width: 44px;
  height: 44px;
}
.button {
  min-height: 52px;
  transition:
    background-color 0.2s,
    color 0.2s,
    border-color 0.2s,
    transform 0.15s;
}
.button:active {
  transform: translateY(2px);
}
.text-link {
  min-height: 44px;
  font-size: 13px;
  margin-top: 12px;
}
.header nav > a {
  min-height: 44px;
  display: flex;
  align-items: center;
}
.header nav > a[aria-current] {
  color: var(--cyan);
}
.faq summary {
  transition: color 0.2s;
}
.faq summary:hover,
.faq details[open] summary {
  color: #007484;
}
.faq details[open] {
  padding-bottom: 8px;
}
footer {
  font-size: 12px;
}
footer > a:last-child {
  min-height: 44px;
  display: flex;
  align-items: center;
}
.contact-signature > span {
  font-size: 12px;
  letter-spacing: 0.04em;
}
section[id] {
  scroll-margin-top: 24px;
}
@media (max-width: 760px) {
  .hero {
    min-height: 640px;
    padding-top: 42px;
    padding-bottom: 115px;
  }
  .hero h1 {
    max-width: 12ch;
    font-size: clamp(38px, 10.6vw, 58px);
  }
  .hero-bottom {
    font-size: 12px;
    gap: 8px;
  }
  .hero-content > p {
    max-width: 38ch;
  }
  .service-list article {
    grid-template-columns: minmax(0, 1fr) 44px;
    gap: 16px;
  }
  .service-list article > a {
    width: 44px;
    height: 44px;
  }
  .service-title h3 {
    font-size: 23px;
  }
  .method-tabs button {
    font-size: 14px;
  }
  .method-panels [role="tabpanel"] {
    min-height: 450px;
  }
  .menu-toggle {
    width: 44px;
    height: 44px;
  }
  .header nav {
    max-height: calc(100dvh - 80px);
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .contact h2 {
    font-size: clamp(35px, 10.5vw, 44px);
  }
  footer {
    font-size: 12px;
    gap: 18px;
  }
}
@media (max-width: 360px) {
  .header,
  .hero,
  .section,
  .principles,
  footer {
    padding-left: 20px;
    padding-right: 20px;
  }
  .hero-bottom {
    left: 20px;
    right: 20px;
  }
  .hero h1 {
    font-size: 37px;
  }
  .button {
    gap: 12px;
    padding: 16px;
    font-size: 12px;
  }
  .text-link {
    font-size: 12px;
    gap: 8px;
  }
  h2 {
    font-size: 31px;
  }
  .about-statement h2 {
    font-size: 35px;
  }
}
/* Three related surfaces keep section changes understated. */
.principles {
  border-top: 0;
  background: var(--navy);
}
.light {
  position: relative;
  background: linear-gradient(180deg, var(--navy), var(--surface-raised) 110px, var(--surface-raised) calc(100% - 110px), var(--navy));
  color: var(--paper);
  color-scheme: dark;
  border-radius: 0;
}
h1 em,
h2 em,
h3 em,
.method h2 em,
.light h2 em {
  color: inherit;
}
.light .section-heading > p,
.light .challenge-list p,
.light .faq-list p {
  color: var(--muted);
}
.light .challenge-list,
.light .challenge-close,
.light details,
.light details:last-child {
  border-color: rgba(246, 247, 249, 0.18);
}
.light .challenge-close .status-dot {
  background: var(--cyan);
}
.light summary::after {
  color: var(--paper);
}
.light summary:hover,
.light details[open] summary {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.light :focus-visible {
  outline-color: var(--cyan);
}
.header .nav-contact {
  padding: 10px 18px;
  border: 1px solid var(--cyan);
  border-radius: 8px;
  background: var(--cyan);
  color: var(--navy);
  font-weight: 600;
  gap: 16px;
  transition: background-color 220ms, border-color 220ms;
}
.header .nav-contact:is(:hover, :focus-visible) {
  background: #9af5ff;
  border-color: #9af5ff;
  color: var(--navy);
}
.header .nav-contact:hover .arrow {
  transform: translateX(2px);
}
.solutions {
  background: linear-gradient(var(--navy) 65%, var(--surface-middle));
}
.method {
  border-top: 0;
  background: var(--surface-middle);
}
.about {
  background: linear-gradient(var(--surface-middle), var(--navy) 120px);
}
.button,
.menu-toggle {
  border-radius: 8px;
}
.service-title h3 a {
  text-decoration: underline;
  text-decoration-color: rgba(246, 247, 249, 0.3);
  text-decoration-thickness: 1px;
  text-underline-offset: 7px;
  transition: color 220ms, text-decoration-color 220ms;
}
.service-title h3 a:is(:hover, :focus-visible) {
  color: var(--cyan);
  text-decoration-color: var(--cyan);
}
.service-list article > a {
  justify-self: center;
  align-self: center;
}
.service-list article > a:is(:hover, :focus-visible) {
  background: rgba(0, 229, 255, 0.08);
}
.service-list article > a:hover .arrow {
  transform: translateX(2px);
}
@media (max-width: 760px) {
  .light {
    background: linear-gradient(180deg, var(--navy), var(--surface-raised) 56px, var(--surface-raised) calc(100% - 56px), var(--navy));
  }
  .service-list article > a { grid-row: 1; }
  .about-values span { gap: 14px; }
  .about-values span:nth-child(2) { margin-left: 12px; }
  .about-values span:nth-child(3) { margin-left: 24px; }
  .about-values span { align-items: baseline; }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none;
    animation: none;
  }
}