@font-face {
  font-family: "DS Sans";
  src: url("../fonts/roboto/roboto-regular-webfont.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "DS Sans";
  src: url("../fonts/roboto/roboto-medium-webfont.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "DS Sans";
  src: url("../fonts/roboto/roboto-bold-webfont.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #10213d;
  --ink-deep: #0a1730;
  --ink-soft: #44526a;
  --blue: #2156f3;
  --blue-bright: #4b75ff;
  --sky: #dbe6ff;
  --mist: #edf1f7;
  --paper: #f8fafc;
  --white: #ffffff;
  --line: #cbd4e2;
  --line-dark: rgba(255, 255, 255, 0.18);
  --signal: #ff5c45;
  --shell: min(1220px, calc(100vw - 64px));
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "DS Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

::selection {
  background: var(--blue);
  color: var(--white);
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
summary {
  font: inherit;
}

svg {
  display: block;
}

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

h1, h2, h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

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

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 16px;
  transform: translateY(-150%);
  background: var(--white);
  color: var(--ink);
  border: 2px solid var(--blue);
  font-weight: 700;
}

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

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  color: var(--white);
  border-bottom: 1px solid transparent;
  transition: background .35s var(--ease), border-color .35s var(--ease), color .35s var(--ease), box-shadow .35s var(--ease);
}

.site-header.scrolled {
  color: var(--ink);
  background: rgba(248, 250, 252, .9);
  border-color: rgba(16, 33, 61, .1);
  box-shadow: 0 10px 40px rgba(10, 23, 48, .06);
  backdrop-filter: blur(16px);
}

.header-inner {
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.035em;
}

.brand > span > span {
  opacity: .56;
  font-weight: 400;
}

.brand-mark {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 13px;
  font-weight: 500;
}

.site-nav > a:not(.nav-cta) {
  position: relative;
  opacity: .8;
}

.site-nav > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -6px;
  height: 1px;
  background: currentColor;
  transition: right .25s var(--ease);
}

.site-nav > a:not(.nav-cta):hover::after {
  right: 0;
}

.nav-cta {
  padding: 10px 15px;
  background: var(--white);
  color: var(--ink);
  border-radius: 2px;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}

.scrolled .nav-cta {
  background: var(--ink);
  color: var(--white);
}

.nav-cta:hover {
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
}

body.nav-open .nav-toggle {
  color: var(--white);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 23px;
  height: 1px;
  margin: 6px auto;
  background: currentColor;
  transition: transform .25s var(--ease);
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 87% 8%, rgba(75, 117, 255, .32), transparent 30%),
    linear-gradient(135deg, #10213d 0%, #0b1931 57%, #102b5c 100%);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: max(50%, calc(50% + 75px));
  width: 1px;
  background: rgba(255, 255, 255, .09);
}

.hero-grid,
.contact-grid {
  position: absolute;
  inset: 0;
  opacity: .34;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(390px, .72fr);
  gap: clamp(60px, 8vw, 125px);
  align-items: center;
  min-height: calc(100svh - 64px);
  padding-top: 114px;
  padding-bottom: 112px;
}

.section-label,
.contact-kicker,
.process-step {
  font-size: 11px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin-bottom: 30px;
  font-size: clamp(48px, 6.1vw, 91px);
  font-weight: 500;
  line-height: .99;
  letter-spacing: -.061em;
}

h1 em,
h2 em {
  color: var(--blue-bright);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -.055em;
}

.hero-lede {
  max-width: 650px;
  margin-bottom: 36px;
  color: #ccd5e7;
  font-size: clamp(18px, 1.55vw, 22px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  min-height: 56px;
  padding: 0 23px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 13px;
  font-weight: 700;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 16px 40px rgba(33, 86, 243, .3);
}

.button-primary:hover {
  background: #3266ff;
}

.text-link {
  display: inline-flex;
  gap: 12px;
  padding: 10px 0;
  color: #dbe2f0;
  border-bottom: 1px solid rgba(255,255,255,.35);
  font-size: 13px;
  font-weight: 500;
}

.launch-map {
  position: relative;
  min-height: 510px;
  padding: 22px;
  background: rgba(5, 17, 40, .48);
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: 0 30px 80px rgba(0,0,0,.2);
  backdrop-filter: blur(12px);
}

.launch-map::before,
.launch-map::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.launch-map::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--signal);
  border-left: 2px solid var(--signal);
}

.launch-map::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid var(--blue-bright);
  border-bottom: 2px solid var(--blue-bright);
}

.launch-map-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #8190ac;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .14em;
}

.mono {
  font-family: "SFMono-Regular", Consolas, monospace;
}

.launch-track {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 430px;
  padding: 52px 16px 38px 52px;
}

.track-line {
  position: absolute;
  top: 62px;
  bottom: 48px;
  left: 24px;
  width: 1px;
  background: linear-gradient(to bottom, rgba(136,152,183,.45), var(--blue-bright) 52%, rgba(255,92,69,.72));
}

.track-point {
  position: relative;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
}

.track-point::before {
  content: "";
  position: absolute;
  top: 9px;
  left: -33px;
  width: 9px;
  height: 9px;
  border: 2px solid #8898b7;
  border-radius: 50%;
  background: var(--ink-deep);
}

.track-point:last-child::before {
  border-color: var(--signal);
  box-shadow: 0 0 0 5px rgba(255,92,69,.1);
}

.point-two::before {
  border-color: var(--blue-bright);
  box-shadow: 0 0 0 4px rgba(75,117,255,.08);
}

.point-index {
  padding-top: 3px;
  color: #6f82a4;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
}

.track-point strong {
  display: block;
  margin-bottom: 7px;
  font-size: 16px;
  font-weight: 500;
}

.track-point small {
  display: block;
  max-width: 260px;
  color: #94a3bd;
  font-size: 12px;
  line-height: 1.5;
}

.capability-rail {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 2;
  border-top: 1px solid rgba(255,255,255,.13);
  background: rgba(5,15,35,.26);
}

.rail-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  color: #8494b3;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.rail-inner span {
  display: flex;
  align-items: center;
  gap: 28px;
  white-space: nowrap;
}

.rail-inner span:not(:last-child)::after {
  content: "";
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--signal);
}

.section-pad {
  padding-block: clamp(100px, 11vw, 164px);
}

.section-label {
  margin-bottom: 0;
  color: var(--blue);
}

.section-label.light {
  color: #86a5ff;
}

.thesis {
  background: var(--paper);
}

.thesis-grid {
  display: grid;
  grid-template-columns: 150px minmax(0, 1.12fr) minmax(260px, .7fr);
  gap: clamp(45px, 7vw, 110px);
  align-items: start;
}

.thesis-copy h2,
.approach-head h2,
.fit-intro h2,
.faq h2 {
  margin-bottom: 32px;
  font-size: clamp(38px, 4.5vw, 66px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -.052em;
}

.thesis-copy > p,
.approach-head > div > p,
.fit-intro > p,
.section-intro > div > p {
  max-width: 640px;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.75;
}

.principles {
  border-top: 1px solid var(--line);
}

.principles article {
  padding-block: 25px;
  border-bottom: 1px solid var(--line);
}

.principles span {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 700;
}

.principles p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.6;
}

.expertise {
  color: var(--white);
  background: var(--ink);
}

.section-intro {
  display: grid;
  grid-template-columns: 190px minmax(0, 850px);
  gap: 55px;
  margin-bottom: 75px;
}

.section-intro h2,
.stack-layout h2 {
  margin-bottom: 24px;
  font-size: clamp(44px, 5.6vw, 78px);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -.057em;
}

.section-intro > div > p {
  color: #aebbd0;
}

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

.service {
  display: grid;
  grid-template-columns: 80px minmax(320px, .95fr) minmax(300px, .75fr);
  gap: 42px;
  align-items: start;
  padding-block: 48px;
  border-bottom: 1px solid var(--line-dark);
}

.service-number {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: #9cb3ee;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 50%;
  font-family: Georgia, serif;
  font-size: 14px;
  font-style: italic;
}

.service h3 {
  margin-bottom: 13px;
  font-size: clamp(26px, 3vw, 39px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -.035em;
}

.service-title p,
.service li {
  color: #99a8c1;
  font-size: 14px;
}

.service-title p {
  max-width: 470px;
  margin-bottom: 0;
}

.service ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px 25px;
  margin: 5px 0 0;
  padding: 0;
  list-style: none;
}

.service li {
  position: relative;
  padding-left: 14px;
}

.service li::before {
  content: "/";
  position: absolute;
  left: 0;
  color: var(--blue-bright);
}

.approach {
  background: var(--mist);
}

.approach-head {
  display: grid;
  grid-template-columns: 190px minmax(0, 790px);
  gap: 55px;
  margin-bottom: 88px;
}

.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.process li {
  position: relative;
  min-height: 310px;
  padding: 35px 28px 20px 0;
}

.process li:not(:last-child) {
  border-right: 1px solid var(--line);
}

.process li:not(:first-child) {
  padding-left: 28px;
}

.process li::before {
  content: "";
  position: absolute;
  top: -5px;
  left: -1px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 5px var(--sky);
}

.process-step {
  display: block;
  margin-bottom: 70px;
  color: var(--blue);
}

.process h3 {
  margin-bottom: 13px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.025em;
}

.process p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.stack-statement {
  padding-block: clamp(100px, 12vw, 180px);
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(33,86,243,.9), rgba(18,61,175,.94)),
    var(--blue);
}

.stack-layout {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) minmax(280px, .62fr);
  gap: clamp(45px, 6vw, 95px);
  align-items: start;
}

.stack-layout h2 em {
  color: #b8caff;
}

.stack-layout > div > p {
  max-width: 650px;
  margin: 0;
  color: #d9e2ff;
  font-size: 17px;
  line-height: 1.75;
}

.tech-groups {
  border-top: 1px solid rgba(255,255,255,.26);
}

.tech-groups > div {
  padding-block: 17px;
  border-bottom: 1px solid rgba(255,255,255,.18);
}

.tech-group-label {
  display: block;
  margin-bottom: 8px;
  color: #b8caff;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.tech-groups > div > p {
  margin: 0;
  color: #f3f6ff;
  font-size: 11px;
  line-height: 1.75;
}

.tech-next {
  display: inline-block;
  margin-top: 18px;
  padding: 8px 10px;
  color: var(--ink);
  background: var(--white);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.fit {
  background: var(--paper);
}

.fit-grid {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(440px, 1fr);
  gap: clamp(75px, 10vw, 150px);
}

.fit-intro {
  position: sticky;
  top: 130px;
  align-self: start;
}

.fit-intro .section-label {
  margin-bottom: 30px;
}

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

.fit-list article {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 18px;
  padding-block: 34px;
  border-bottom: 1px solid var(--line);
}

.fit-symbol {
  color: var(--blue);
  font-size: 20px;
  transition: transform .25s var(--ease);
}

.fit-list article:hover .fit-symbol {
  transform: translateX(6px);
}

.fit-list h3 {
  margin-bottom: 8px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.025em;
}

.fit-list p {
  max-width: 530px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.faq {
  background: var(--white);
  border-top: 1px solid #e4e9f0;
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(260px, .58fr) minmax(470px, 1fr);
  gap: clamp(70px, 11vw, 170px);
}

.faq .section-label {
  margin-bottom: 30px;
}

.accordion {
  border-top: 1px solid var(--line);
}

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

.accordion-item h3 {
  margin: 0;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-block: 24px;
  padding-inline: 0;
  color: inherit;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-weight: 700;
}

.accordion-trigger span {
  flex: 0 0 auto;
  color: var(--blue);
  font-size: 22px;
  font-weight: 400;
  transition: transform .25s var(--ease);
}

.accordion-item.open .accordion-trigger span {
  transform: rotate(45deg);
}

.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  visibility: hidden;
  transition:
    grid-template-rows .38s var(--ease),
    visibility 0s linear .38s;
}

.accordion-item.open .accordion-panel {
  grid-template-rows: 1fr;
  visibility: visible;
  transition:
    grid-template-rows .38s var(--ease),
    visibility 0s linear 0s;
}

.accordion-panel-inner {
  min-height: 0;
  overflow: hidden;
}

.accordion-panel p {
  max-width: 630px;
  margin-bottom: 26px;
  padding-right: 45px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.contact {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--ink-deep);
}

.contact::after {
  content: "DS";
  position: absolute;
  right: -1vw;
  bottom: -17vw;
  color: rgba(255,255,255,.025);
  font-size: 47vw;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.12em;
  pointer-events: none;
}

.contact-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 790px;
  justify-content: center;
  padding-block: 110px;
}

.contact-kicker {
  margin-bottom: 30px;
  color: #8aaaff;
}

.contact h2 {
  margin-bottom: 30px;
  font-size: clamp(62px, 9.2vw, 132px);
  font-weight: 500;
  line-height: .88;
  letter-spacing: -.075em;
}

.contact h2 em {
  color: var(--blue-bright);
}

.contact-inner > p:not(.contact-kicker) {
  max-width: 590px;
  margin-bottom: 35px;
  color: #aebbd0;
  font-size: 18px;
}

.button-light {
  margin-bottom: 24px;
  background: var(--white);
  color: var(--ink);
}

.button-light:hover {
  background: var(--sky);
}

.contact-email {
  color: #96a7c5;
  border-bottom: 1px solid #53617a;
  font-size: 13px;
}

.site-footer {
  padding-block: 58px;
  color: #aebbd0;
  background: #071126;
  border-top: 1px solid rgba(255,255,255,.1);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: end;
  gap: 40px;
}

.brand-footer {
  align-self: start;
  color: var(--white);
}

.footer-inner > p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: 11px;
  line-height: 1.8;
}

/* Project brief */

.contact-page {
  min-height: 100svh;
  color: var(--white);
  background: var(--ink-deep);
}

.contact-page .site-header {
  background: rgba(10, 23, 48, .84);
  border-color: rgba(255,255,255,.1);
  backdrop-filter: blur(16px);
}

.contact-page .site-header.scrolled {
  color: var(--white);
  background: rgba(10, 23, 48, .92);
  border-color: rgba(255,255,255,.12);
}

.contact-page .scrolled .nav-cta {
  color: var(--ink);
  background: var(--white);
}

.contact-brief {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 12%, rgba(75, 117, 255, .2), transparent 31%),
    linear-gradient(135deg, #10213d 0%, #0a1730 62%, #0d2146 100%);
}

.contact-brief::after {
  content: "DS";
  position: absolute;
  left: -5vw;
  bottom: -14vw;
  color: rgba(255,255,255,.022);
  font-size: 40vw;
  font-weight: 700;
  line-height: .75;
  letter-spacing: -.14em;
  pointer-events: none;
}

.contact-brief-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(460px, .72fr);
  align-items: center;
  gap: clamp(70px, 9vw, 145px);
  min-height: 100svh;
  padding-block: 142px 72px;
}

.contact-brief-copy {
  align-self: center;
}

.contact-brief-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 30px;
  color: #9bb3e0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.contact-brief-label::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--signal);
  border-radius: 50%;
  box-shadow: 0 0 0 7px rgba(255, 92, 69, .1);
}

.contact-brief h1 {
  max-width: 700px;
  margin-bottom: 32px;
  font-size: clamp(55px, 6.15vw, 90px);
  font-weight: 500;
  line-height: .94;
  letter-spacing: -.065em;
}

.contact-brief h1 em {
  color: var(--blue-bright);
  font-style: normal;
}

.contact-brief-lede {
  max-width: 610px;
  margin-bottom: 38px;
  color: #b5c2d7;
  font-size: 18px;
  line-height: 1.7;
}

.contact-brief-scope {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  padding-top: 25px;
  border-top: 1px solid rgba(255,255,255,.14);
  color: #8294b5;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.brief-panel {
  position: relative;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid rgba(255,255,255,.28);
  box-shadow: 0 30px 90px rgba(2, 10, 27, .33);
}

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

.brief-panel::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--signal);
  border-left: 2px solid var(--signal);
}

.brief-panel::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid var(--blue-bright);
  border-bottom: 2px solid var(--blue-bright);
}

.brief-panel-head,
.brief-panel-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  padding-inline: 28px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.brief-panel-head {
  color: #586983;
  border-bottom: 1px solid var(--line);
}

.brief-panel-head > span:first-child {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.brief-panel-head i {
  width: 7px;
  height: 7px;
  background: var(--blue);
  border-radius: 50%;
}

.brief-panel-footer {
  justify-content: flex-start;
  gap: 10px;
  min-height: 56px;
  color: #78869b;
  border-top: 1px solid var(--line);
}

.brief-panel-footer a {
  color: var(--ink);
  border-bottom: 1px solid #a5b0c0;
  text-transform: none;
  letter-spacing: 0;
}

.project-form {
  display: grid;
  gap: 23px;
  padding: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-field {
  position: relative;
  display: grid;
  gap: 8px;
}

.form-field label {
  display: flex;
  justify-content: space-between;
  color: #364762;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.form-field label span {
  color: #8c98aa;
  font-size: 9px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  min-width: 0;
  padding: 12px 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid #aeb9c9;
  border-radius: 0;
  font: inherit;
  font-size: 14px;
  outline: 0;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.form-field textarea {
  min-height: 145px;
  padding: 13px 15px 31px;
  background: var(--white);
  border: 1px solid #b9c4d2;
  resize: vertical;
  line-height: 1.55;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 2px 0 var(--blue);
}

.form-field textarea:focus {
  box-shadow: 0 0 0 2px var(--blue);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #8d99aa;
  opacity: 1;
}

.form-counter {
  position: absolute;
  right: 11px;
  bottom: 8px;
  color: #8d99aa;
  font-size: 9px;
  letter-spacing: .04em;
}

.form-trap {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
}

.form-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px;
  align-items: center;
  gap: 18px;
  padding-top: 2px;
}

.form-actions .button {
  width: 100%;
  border: 0;
  cursor: pointer;
}

.form-actions .button:disabled {
  cursor: wait;
  opacity: .68;
}

.form-actions > p {
  margin: 0;
  color: #7b889c;
  font-size: 10px;
  line-height: 1.5;
}

.form-status {
  min-height: 0;
  margin: -8px 0 0;
  color: #7b889c;
  font-size: 12px;
}

.form-status:empty {
  display: none;
}

.form-status.is-error {
  color: #b33425;
}

.form-success {
  min-height: 466px;
  padding: 70px 44px;
  outline: 0;
}

.success-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 28px;
  color: var(--white);
  background: var(--blue);
  border-radius: 50%;
  font-size: 18px;
}

.form-success h2 {
  margin-bottom: 14px;
  font-size: 42px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.045em;
}

.form-success p {
  max-width: 330px;
  margin-bottom: 35px;
  color: var(--ink-soft);
}

.form-success a {
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
}

/* Not found */

.error-page {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 12%, rgba(75, 117, 255, .28), transparent 32%),
    linear-gradient(135deg, #10213d 0%, #0a1730 62%, #102b5c 100%);
}

.error-page-inner {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 100svh;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding-block: 135px 70px;
}

.error-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  color: #9bb3e0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.error-label span {
  width: 7px;
  height: 7px;
  background: var(--signal);
  border-radius: 50%;
  box-shadow: 0 0 0 7px rgba(255, 92, 69, .1);
}

.error-page h1 {
  max-width: 950px;
  margin-bottom: 32px;
  font-size: clamp(58px, 8vw, 112px);
  font-weight: 500;
  line-height: .92;
  letter-spacing: -.07em;
}

.error-page h1 em {
  color: var(--blue-bright);
  font-style: normal;
}

.error-page-inner > p:not(.error-label) {
  max-width: 560px;
  margin-bottom: 36px;
  color: #b5c2d7;
  font-size: 18px;
}

.error-actions {
  display: flex;
  align-items: center;
  gap: 28px;
}

.error-actions .text-link {
  color: var(--white);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}

[data-reveal][data-delay="1"] { transition-delay: .1s; }
[data-reveal][data-delay="2"] { transition-delay: .2s; }
[data-reveal][data-delay="3"] { transition-delay: .3s; }

[data-reveal].revealed,
.no-js [data-reveal] {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  :root { --shell: min(100% - 48px, 1100px); }

  .contact-brief-layout {
    grid-template-columns: minmax(0, .88fr) minmax(430px, .72fr);
    gap: 55px;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1fr) minmax(340px, .65fr);
    gap: 55px;
  }

  .hero h1 { font-size: clamp(48px, 6.6vw, 72px); }

  .thesis-grid {
    grid-template-columns: 120px minmax(0, 1fr);
  }

  .principles {
    grid-column: 2;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .principles article { padding-right: 25px; }
  .principles article:not(:last-child) { margin-right: 25px; }

  .stack-layout {
    grid-template-columns: 120px minmax(0, 1fr);
  }

  .tech-groups { grid-column: 2; }
}

@media (max-width: 820px) {
  :root { --shell: calc(100% - 40px); }

  .header-inner { height: 72px; }
  .nav-toggle { display: block; position: relative; z-index: 2; }

  .nav-toggle[aria-expanded="true"] span:nth-last-child(2) { transform: translateY(3.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

  .site-nav {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 24px;
    padding: 80px 40px;
    background: var(--ink-deep);
    color: var(--white);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform .35s var(--ease), visibility .35s;
  }

  .site-nav.open {
    transform: translateX(0);
    visibility: visible;
  }

  .site-nav > a:not(.nav-cta) {
    font-size: 32px;
    font-weight: 500;
    letter-spacing: -.04em;
  }

  .site-nav .nav-cta {
    margin-top: 18px;
    color: var(--ink);
    background: var(--white);
  }

  .hero {
    min-height: auto;
  }

  .hero::before { display: none; }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 75px;
    padding-top: 145px;
    padding-bottom: 140px;
  }

  .hero h1 { font-size: clamp(49px, 10vw, 76px); }
  .hero-lede { max-width: 640px; }
  .launch-map { width: min(100%, 580px); }

  .rail-inner {
    justify-content: flex-start;
    overflow: hidden;
  }

  .rail-inner span:nth-child(n+4) { display: none; }

  .thesis-grid,
  .section-intro,
  .approach-head,
  .stack-layout,
  .fit-grid,
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .principles,
  .tech-groups { grid-column: auto; }

  .section-intro,
  .approach-head { margin-bottom: 65px; }

  .service {
    grid-template-columns: 54px 1fr;
    gap: 28px;
  }

  .service ul {
    grid-column: 2;
  }

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

  .process li { min-height: 285px; border-bottom: 1px solid var(--line); }
  .process li:nth-child(2) { border-right: 0; }
  .process li:nth-child(3) { padding-left: 0; }
  .process-step { margin-bottom: 50px; }

  .fit-intro { position: static; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-meta { grid-column: 2; grid-row: 1 / span 2; }

  .contact-brief-layout {
    grid-template-columns: 1fr;
    gap: 62px;
    padding-top: 142px;
    padding-bottom: 80px;
  }

  .contact-brief-copy {
    max-width: 690px;
  }

  .contact-brief h1 {
    font-size: clamp(54px, 10vw, 76px);
  }

  .brief-panel {
    width: min(100%, 660px);
  }
}

@media (max-width: 560px) {
  :root { --shell: calc(100% - 32px); }

  .site-header.scrolled { backdrop-filter: blur(12px); }
  .brand { font-size: 16px; }
  .brand-mark { width: 27px; height: 27px; }

  .hero-layout {
    gap: 60px;
    padding-top: 125px;
    padding-bottom: 125px;
  }

  .hero h1 { margin-bottom: 25px; font-size: clamp(44px, 14vw, 65px); line-height: .96; }
  .hero-lede { font-size: 17px; line-height: 1.6; }

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

  .button { width: 100%; }
  .launch-map { min-height: 480px; padding: 16px; }
  .launch-track { min-height: 370px; padding-left: 45px; }
  .track-line { left: 18px; }
  .track-point::before { left: -33px; }
  .track-point { grid-template-columns: 27px 1fr; gap: 8px; }
  .track-point small { font-size: 11px; }

  .rail-inner span:nth-child(n+3) { display: none; }
  .section-pad { padding-block: 92px; }

  .thesis-grid,
  .section-intro,
  .approach-head,
  .stack-layout,
  .fit-grid,
  .faq-grid {
    gap: 34px;
  }

  .thesis-copy h2,
  .approach-head h2,
  .fit-intro h2,
  .faq h2 { font-size: 39px; }

  .section-intro h2,
  .stack-layout h2 { font-size: 43px; }

  .principles { display: block; }
  .principles article:not(:last-child) { margin-right: 0; }

  .service {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-block: 35px;
  }

  .service-number { margin-bottom: 4px; }
  .service ul { grid-column: auto; grid-template-columns: 1fr; }

  .process { grid-template-columns: 1fr; border-top: 0; }
  .process li,
  .process li:not(:first-child),
  .process li:nth-child(3) {
    min-height: 0;
    padding: 34px 0;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .process-step { margin-bottom: 35px; }
  .stack-statement { padding-block: 95px; }
  .tech-groups > div { padding-block: 15px; }

  .fit-list article { grid-template-columns: 25px 1fr; gap: 10px; }
  .faq-grid { gap: 50px; }
  .accordion-trigger { font-size: 14px; }

  .contact-inner { min-height: 690px; }
  .contact h2 { font-size: clamp(60px, 20vw, 92px); }
  .contact-inner > p:not(.contact-kicker) { font-size: 16px; }
  .button-light { width: 100%; }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-meta {
    grid-column: auto;
    grid-row: auto;
    align-items: flex-start;
  }

  .contact-page .site-nav > a:not(.nav-cta) {
    font-size: 29px;
  }

  .contact-brief-layout {
    gap: 48px;
    padding-top: 120px;
    padding-bottom: 45px;
  }

  .contact-brief-label {
    margin-bottom: 24px;
  }

  .contact-brief h1 {
    margin-bottom: 25px;
    font-size: clamp(46px, 13.5vw, 64px);
    line-height: .96;
  }

  .contact-brief-lede {
    margin-bottom: 30px;
    font-size: 16px;
  }

  .contact-brief-scope {
    display: grid;
    gap: 8px;
  }

  .brief-panel-head,
  .brief-panel-footer {
    padding-inline: 20px;
  }

  .project-form {
    gap: 21px;
    padding: 24px 20px;
  }

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

  .form-actions {
    gap: 12px;
  }

  .form-actions > p {
    text-align: center;
  }

  .form-success {
    min-height: 430px;
    padding: 55px 25px;
  }

  .error-page h1 {
    font-size: clamp(49px, 14vw, 70px);
  }

  .error-page-inner > p:not(.error-label) {
    font-size: 16px;
  }

  .error-actions {
    width: 100%;
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }
}

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

  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }

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