:root {
  --navy: #071525;
  --navy-deep: #031221;
  --blue: #2b64e8;
  --blue-strong: #1265f3;
  --blue-soft: #8fc1ff;
  --green: #29d39a;
  --ink: #172033;
  --muted: #667085;
  --line: #e1e7ef;
  --soft: #f5f8fc;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(7, 21, 37, .11);
  --container: 1220px;
  --sans: "IBM Plex Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Manrope", var(--sans);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: var(--sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
.container { width: min(var(--container), calc(100% - 42px)); margin-inline: auto; }

.topbar {
  background: var(--navy);
  color: #aebdca;
  font-size: 11px;
}
.topbar-inner {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.topbar a { color: #eef5fb; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, .95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: inline-flex; align-items: center; }
.main-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 25px;
}
.main-nav a {
  position: relative;
  color: #344054;
  font-size: 13px;
  font-weight: 600;
}
.main-nav a:hover, .main-nav a.active { color: var(--blue); }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -13px;
  height: 2px;
  border-radius: 999px;
  background: var(--blue);
}
.header-actions { display: flex; align-items: center; gap: 16px; }
.sign-in { color: #344054; font-size: 13px; font-weight: 600; }
.button {
  min-height: 50px;
  padding: 0 23px;
  border: 1px solid var(--blue);
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--blue);
  font-weight: 700;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.button:hover {
  transform: translateY(-2px);
  background: #1f4fc0;
  box-shadow: 0 14px 32px rgba(43, 100, 232, .22);
}
.button-small { min-height: 44px; padding-inline: 19px; font-size: 12px; }
.button-light {
  color: var(--navy);
  border-color: #fff;
  background: #fff;
}
.button-light:hover { color: var(--blue); background: #f4f7fb; }
.button-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, .42);
  background: transparent;
}
.button-outline:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fff;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  border-radius: 10px;
  background: var(--navy);
}

.about-hero {
  padding: 48px 0 72px;
  color: #fff;
  background: #f4f7fb;
}
.hero-layout {
  position: relative;
  min-height: 650px;
  padding: 72px 58px;
  border-radius: 28px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 45px;
  align-items: center;
  background:
    linear-gradient(95deg, rgba(3,18,33,.99) 0%, rgba(6,31,54,.97) 53%, rgba(8,42,72,.91) 100%),
    url("/assets/images/engineering-background.webp") center/cover no-repeat;
  box-shadow: 0 28px 90px rgba(7,21,37,.16);
}
.hero-layout::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 83% 15%, rgba(43,100,232,.18), transparent 32%),
    linear-gradient(90deg, transparent 0 70%, rgba(255,255,255,.025));
}
.hero-copy, .hero-visual { position: relative; z-index: 2; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #8dd9ff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.eyebrow span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 7px rgba(41,211,154,.12);
}
.hero-copy h1 {
  max-width: 650px;
  margin: 25px 0 21px;
  font-family: var(--display);
  font-size: clamp(54px, 5.8vw, 82px);
  line-height: 1.02;
  letter-spacing: -.055em;
}
.hero-lead {
  max-width: 675px;
  margin: 0;
  color: #c2cfdb;
  font-size: 17px;
  line-height: 1.88;
  text-align: justify;
  text-justify: inter-word;
}
.hero-actions {
  margin-top: 31px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-trust {
  margin-top: 35px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.14);
  display: flex;
  gap: 25px;
  flex-wrap: wrap;
}
.hero-trust span {
  position: relative;
  padding-left: 14px;
  color: #9eafbd;
  font-size: 11px;
}
.hero-trust span::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
}

.hero-visual {
  min-height: 500px;
  border-radius: 25px;
  border: 1px solid rgba(255,255,255,.12);
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 45%, rgba(18,101,243,.19), transparent 30%),
    rgba(255,255,255,.025);
}
.visual-grid {
  position: absolute;
  inset: 0;
  opacity: .22;
  background-image:
    linear-gradient(rgba(143,193,255,.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143,193,255,.11) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, transparent, #000 20%, #000 80%, transparent);
}
.visual-orbit {
  position: absolute;
  border: 1px solid rgba(143,193,255,.14);
  border-radius: 50%;
}
.orbit-one { width: 390px; height: 390px; top: 50px; right: 44px; }
.orbit-two { width: 285px; height: 285px; top: 102px; right: 98px; }
.visual-core {
  position: absolute;
  left: 50%;
  top: 45%;
  width: 132px;
  height: 132px;
  padding: 22px;
  border-radius: 28px;
  transform: translate(-50%, -50%);
  background: rgba(255,255,255,.96);
  box-shadow: 0 22px 55px rgba(0,0,0,.28);
}
.mesh-diagram {
  position: absolute;
  inset: 45px 20px 20px;
  width: calc(100% - 40px);
  height: calc(100% - 65px);
  opacity: .78;
}
.capability-card {
  position: absolute;
  width: 205px;
  padding: 15px 17px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px;
  background: rgba(4,24,44,.83);
  backdrop-filter: blur(12px);
  box-shadow: 0 16px 38px rgba(0,0,0,.19);
}
.capability-card span {
  display: block;
  margin-bottom: 5px;
  color: #7fc5ff;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.capability-card strong {
  display: block;
  color: #eef5fb;
  font-size: 11px;
  line-height: 1.5;
}
.card-one { left: 24px; top: 27px; }
.card-two { right: 22px; top: 225px; }
.card-three { left: 42px; bottom: 27px; }

.section { padding: 96px 0; }
.soft-section { background: var(--soft); }
.section-heading > span,
.capability-intro > span {
  display: block;
  color: var(--blue);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.section-heading h2,
.capability-intro h2 {
  margin: 10px 0 0;
  font-family: var(--display);
  font-size: clamp(34px, 4.2vw, 52px);
  line-height: 1.12;
  letter-spacing: -.04em;
  text-wrap: balance;
}
.section-heading p,
.capability-intro p {
  max-width: 750px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 15px;
}
.section-heading.centered {
  max-width: 870px;
  margin: 0 auto 42px;
  text-align: center;
}
.section-heading.centered p { margin-inline: auto; }
.section-heading.light > span { color: #81c9ff; }
.section-heading.light h2 { color: #fff; }
.section-heading.light p { color: #aebdca; }

.legacy-layout {
  display: grid;
  grid-template-columns: .84fr 1.16fr;
  gap: 74px;
  align-items: start;
}
.legacy-copy {
  padding-left: 35px;
  border-left: 1px solid var(--line);
}
.legacy-copy p {
  margin: 0 0 21px;
  color: #465467;
  font-size: 16px;
  line-height: 1.95;
  text-align: justify;
  text-justify: inter-word;
}
.legacy-copy p:first-child {
  color: #263247;
  font-size: 18px;
  font-weight: 500;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 21px;
}
.service-card {
  position: relative;
  min-height: 330px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 19px;
  background: #fff;
  transition: transform .22s, box-shadow .22s, border-color .22s;
}
.service-card:hover {
  transform: translateY(-5px);
  border-color: #c9d8ed;
  box-shadow: var(--shadow);
}
.service-icon {
  width: 53px;
  height: 53px;
  padding: 12px;
  border-radius: 15px;
  color: var(--blue);
  background: #eaf1ff;
}
.service-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.service-card > span {
  position: absolute;
  right: 25px;
  top: 28px;
  color: #c2cad5;
  font-family: var(--display);
  font-size: 12px;
  font-weight: 800;
}
.service-card h3 {
  margin: 27px 0 12px;
  font-family: var(--display);
  font-size: 21px;
  line-height: 1.35;
}
.service-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
  text-align: justify;
  text-justify: inter-word;
}

.capability-section { background: #fff; }
.capability-layout {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: 80px;
  align-items: start;
}
.capability-intro { position: sticky; top: 130px; }
.text-link {
  display: inline-flex;
  margin-top: 25px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
}
.capability-list { border-top: 1px solid var(--line); }
.capability-row {
  padding: 27px 2px;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 35px;
}
.capability-row span {
  color: #263247;
  font-family: var(--display);
  font-size: 17px;
  font-weight: 700;
}
.capability-row p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
  text-align: justify;
  text-justify: inter-word;
}

.dark-section {
  color: #fff;
  background:
    radial-gradient(circle at 86% 10%, rgba(43,100,232,.17), transparent 28%),
    var(--navy-deep);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}
.process-card {
  min-height: 260px;
  padding: 25px;
  border: 1px solid rgba(255,255,255,.11);
  border-radius: 17px;
  background: rgba(255,255,255,.035);
}
.process-card b {
  color: #71baff;
  font-family: var(--display);
  font-size: 11px;
}
.process-card h3 {
  margin: 45px 0 11px;
  font-family: var(--display);
  font-size: 19px;
}
.process-card p {
  margin: 0;
  color: #aabac8;
  font-size: 12px;
  line-height: 1.75;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 21px;
}
.audience-card {
  min-height: 370px;
  padding: 40px;
  border-radius: 22px;
  overflow: hidden;
  position: relative;
}
.audience-card::after {
  content: "";
  position: absolute;
  right: -100px;
  bottom: -130px;
  width: 300px;
  height: 300px;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: .1;
}
.audience-card > span {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.audience-card h3 {
  max-width: 500px;
  margin: 20px 0 13px;
  font-family: var(--display);
  font-size: 31px;
  line-height: 1.2;
}
.audience-card p {
  max-width: 570px;
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  text-align: justify;
  text-justify: inter-word;
}
.audience-card a {
  position: absolute;
  left: 40px;
  bottom: 38px;
  font-size: 12px;
  font-weight: 700;
}
.academic { color: #fff; background: linear-gradient(135deg, #0b3560, #071d35); }
.academic p { color: #bfd0de; }
.industry { color: #1d2a3d; border: 1px solid #cfdcf0; background: linear-gradient(135deg, #edf4ff, #fff); }
.industry p { color: #5e6c7e; }
.industry > span, .industry a { color: var(--blue); }

.commitment-section { background: var(--soft); }
.commitment-layout {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 70px;
}
.commitment-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.commitment-item {
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: #fff;
}
.commitment-item strong {
  display: block;
  margin-bottom: 9px;
  font-family: var(--display);
  font-size: 15px;
}
.commitment-item p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.about-cta {
  padding: 34px 0 90px;
  background: var(--soft);
}
.cta-card {
  padding: 45px 50px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
  color: #fff;
  background:
    radial-gradient(circle at 88% 5%, rgba(43,100,232,.35), transparent 31%),
    linear-gradient(135deg, #06182b, #0b365e);
  box-shadow: 0 24px 70px rgba(7,21,37,.17);
}
.cta-card > div:first-child { max-width: 750px; }
.cta-card span {
  color: #80cbff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.cta-card h2 {
  margin: 9px 0 11px;
  font-family: var(--display);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.2;
}
.cta-card p { margin: 0; color: #b6c6d4; }
.cta-actions { display: flex; gap: 10px; flex-wrap: wrap; flex: 0 0 auto; }

.site-footer {
  padding: 58px 0 24px;
  color: #dce6ef;
  background: #05101c;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
}
.footer-brand p {
  max-width: 390px;
  color: #91a5b8;
  font-size: 12px;
}
.footer-grid h4 {
  margin: 0 0 15px;
  color: #fff;
  font-size: 12px;
}
.footer-grid > div:not(.footer-brand) {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-grid a { color: #9fb0c0; font-size: 11px; }
.footer-grid a:hover { color: #fff; }
.footer-bottom {
  margin-top: 41px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: #7f92a5;
  font-size: 10px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  .main-nav, .header-actions { display: none; }
  .menu-toggle { display: block; }
  .site-header.menu-open .main-nav {
    position: absolute;
    left: 21px;
    right: 21px;
    top: calc(100% + 1px);
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 0 0 16px 16px;
    display: grid;
    gap: 7px;
    background: #fff;
    box-shadow: 0 25px 45px rgba(7,21,37,.13);
  }
  .site-header.menu-open .main-nav a {
    padding: 10px 7px;
    border-bottom: 1px solid #edf1f6;
  }
  .site-header.menu-open .main-nav a.active::after { display: none; }

  .hero-layout { grid-template-columns: 1fr; padding: 58px 45px; }
  .hero-visual { min-height: 480px; }
  .legacy-layout, .capability-layout, .commitment-layout { grid-template-columns: 1fr; gap: 42px; }
  .legacy-copy { padding: 0; border: 0; }
  .capability-intro { position: static; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 800px) {
  .service-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .commitment-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-card { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 640px) {
  .container { width: min(var(--container), calc(100% - 28px)); }
  .topbar { display: none; }
  .header-inner { min-height: 68px; }
  .about-hero { padding: 18px 0 48px; }
  .hero-layout { min-height: auto; padding: 42px 24px; border-radius: 20px; }
  .hero-copy h1 { font-size: 44px; }
  .hero-lead,
  .legacy-copy p,
  .service-card p,
  .capability-row p,
  .audience-card p {
    text-align: left;
  }
  .hero-actions .button { width: 100%; }
  .hero-visual { min-height: 410px; }
  .visual-core { width: 100px; height: 100px; padding: 17px; }
  .capability-card { width: 170px; }
  .card-two { right: 10px; }
  .card-three { left: 10px; }
  .section { padding: 68px 0; }
  .capability-row { grid-template-columns: 1fr; gap: 8px; }
  .process-grid { grid-template-columns: 1fr; }
  .audience-card { min-height: 430px; padding: 29px; }
  .audience-card a { left: 29px; }
  .cta-card { padding: 31px 25px; }
  .cta-actions { width: 100%; }
  .cta-actions .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}