:root {
  --navy: #061525;
  --navy-2: #09223a;
  --blue: #0759d8;
  --blue-light: #1d8cff;
  --text: #101827;
  --muted: #667085;
  --line: #e4eaf2;
  --bg: #f6f9fd;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(16, 45, 80, .10);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

.container {
  width: min(1340px, calc(100% - 48px));
  margin-inline: auto;
}

/* Top bar */
.topbar {
  background: var(--navy);
  color: #e8eef7;
  font-size: 13px;
}

.topbar-inner {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.topbar strong { color: #fff; margin-right: 7px; }
.top-icon { color: #8cc8ff; margin-right: 7px; }

/* Navigation */
.site-header {
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid #edf0f5;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
}

.nav {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -1px;
  color: var(--blue);
  white-space: nowrap;
}

.brand-mark span { color: #19a4ff; }

.brand-name {
  font-weight: 800;
  letter-spacing: .06em;
  font-size: 15px;
}

.brand-sub {
  color: #596579;
  font-size: 10px;
  letter-spacing: .13em;
  margin-top: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  font-weight: 600;
  font-size: 15px;
}

.nav-links > a:not(.nav-cta) {
  padding: 37px 0;
  position: relative;
}

.nav-links > a:not(.nav-cta):after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 27px;
  width: 0;
  height: 3px;
  background: var(--blue);
  transition: .2s ease;
}

.nav-links > a:hover:after,
.nav-links .active:after { width: 100%; }

.nav-links .active { color: var(--blue); }

.nav-cta {
  background: var(--blue);
  color: #fff;
  padding: 14px 25px;
  border-radius: 7px;
  box-shadow: 0 8px 20px rgba(7,89,216,.22);
}

.nav-cta:hover { background: #0049b9; }

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  font-size: 28px;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 78% 45%, rgba(17,127,255,.23), transparent 27%),
    radial-gradient(circle at 95% 0%, rgba(0,105,255,.16), transparent 25%),
    linear-gradient(115deg, #03111f 0%, #061c30 52%, #04101d 100%);
}

.hero:before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .22;
  background-image:
    linear-gradient(rgba(65,151,255,.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(65,151,255,.14) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: linear-gradient(to right, transparent, black 45%, transparent);
}

.hero-grid {
  min-height: 525px;
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  align-items: center;
  position: relative;
}

.hero-copy { padding: 75px 0 80px; z-index: 2; }

.eyebrow {
  color: #42adff;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: .18em;
  margin: 0 0 12px;
}

.hero h1 {
  font-size: clamp(44px, 5vw, 72px);
  line-height: 1.02;
  letter-spacing: -.045em;
  margin: 0;
  font-weight: 800;
}

.hero-line {
  width: 46px;
  height: 4px;
  background: #39a9ff;
  margin: 23px 0;
}

.hero-text {
  max-width: 590px;
  color: #d3dce7;
  font-size: 17px;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 52px;
  padding: 0 28px;
  border-radius: 6px;
  font-weight: 700;
  transition: .2s ease;
}

.btn span { font-size: 20px; }

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 12px 28px rgba(0,88,220,.25);
}

.btn-primary:hover { transform: translateY(-2px); background: #146be7; }

.btn-outline {
  border: 1px solid rgba(255,255,255,.7);
  color: #fff;
}

.btn-outline:hover { background: #fff; color: var(--navy); }

/* Hero graphic */
.hero-visual {
  min-height: 500px;
  position: relative;
}

.network-orb {
  width: 355px;
  height: 355px;
  position: absolute;
  left: 45%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 28%, #a9e4ff 0 1%, #168fff 6%, #064cbd 25%, #031b3a 63%, transparent 64%),
    radial-gradient(circle, rgba(26,150,255,.22), transparent 68%);
  box-shadow:
    0 0 30px rgba(22,143,255,.7),
    0 0 100px rgba(0,111,255,.32);
}

.network-orb:before,
.network-orb:after {
  content: "";
  position: absolute;
  inset: 11%;
  border-radius: 50%;
  border: 1px solid rgba(79,190,255,.55);
}

.network-orb:after {
  inset: 23%;
  border-color: rgba(130,217,255,.35);
}

.orb-core {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 85px;
  color: #a9eaff;
  text-shadow: 0 0 30px #2baaff;
}

.orbit {
  position: absolute;
  inset: -14px;
  border: 1px solid rgba(78,191,255,.42);
  border-radius: 50%;
  transform: rotate(27deg) scaleY(.45);
}

.orbit-b {
  transform: rotate(-35deg) scaleY(.48);
}

.node {
  position: absolute;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #8bd9ff;
  border: 1px solid rgba(85,193,255,.65);
  background: rgba(3,22,42,.78);
  box-shadow: 0 0 20px rgba(31,157,255,.35);
  font-size: 22px;
}

.n1 { left: -25px; top: 48px; }
.n2 { right: -18px; top: 67px; }
.n3 { right: 10px; bottom: 48px; }
.n4 { left: 25px; bottom: 20px; }
.n5 { left: 46%; top: -35px; }

.hand-shape {
  position: absolute;
  width: 440px;
  height: 135px;
  right: -10px;
  bottom: 48px;
  border-radius: 70% 18% 50% 20%;
  background: linear-gradient(110deg, rgba(219,160,122,.8), rgba(128,79,65,.5));
  filter: blur(.3px);
  transform: rotate(-7deg);
  opacity: .75;
}

/* Services */
.services-section {
  position: relative;
  margin-top: -36px;
  z-index: 5;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.service-card {
  min-height: 300px;
  background: #fff;
  border: 1px solid #e9eef5;
  border-radius: 8px;
  padding: 25px 22px 23px;
  text-align: center;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: .25s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 55px rgba(15,55,100,.15);
  border-color: #cfe1ff;
}

.service-icon {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--blue);
  background: #edf6ff;
  font-size: 30px;
  margin-bottom: 17px;
}

.service-card h3 {
  color: #0752c9;
  font-size: 18px;
  line-height: 1.25;
  margin: 0 0 10px;
}

.service-card p {
  color: #687384;
  font-size: 14px;
  margin: 0;
  max-width: 210px;
}

.service-card a {
  color: var(--blue);
  font-weight: 700;
  font-size: 14px;
  margin-top: auto;
  padding-top: 22px;
}

.service-card a span { margin-left: 6px; }

/* Values */
.values {
  background: #fff;
  padding: 50px 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.value {
  display: flex;
  gap: 17px;
  padding: 0 27px;
  border-right: 1px solid #dce3ec;
}

.value:first-child { padding-left: 12px; }
.value:last-child { border-right: 0; }

.value-icon {
  flex: 0 0 auto;
  color: var(--blue);
  font-size: 25px;
  font-weight: 800;
  line-height: 1;
  padding-top: 5px;
}

.value h3 {
  margin: 0 0 4px;
  font-size: 16px;
  color: #06459f;
}

.value p {
  margin: 0;
  color: #697586;
  font-size: 13px;
}

/* Content */
.content-section {
  padding: 90px 0;
  background: #f7faff;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
}

.section-label {
  color: var(--blue);
  font-weight: 800;
  letter-spacing: .16em;
  font-size: 12px;
  margin: 0 0 12px;
}

.content-section h2,
.contact-cta h2 {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -.035em;
  margin: 0 0 18px;
}

.content-section p:not(.section-label) {
  color: var(--muted);
  max-width: 610px;
}

.check-list {
  display: grid;
  gap: 14px;
}

.check-list div {
  display: flex;
  gap: 14px;
  padding: 17px 20px;
  border-radius: 7px;
  background: #fff;
  box-shadow: 0 8px 25px rgba(19,49,87,.06);
  color: var(--blue);
  font-weight: 800;
}

.check-list span {
  color: #344054;
  font-weight: 600;
}

/* CTA */
.contact-cta {
  background:
    radial-gradient(circle at 80% 50%, rgba(65,168,255,.25), transparent 28%),
    linear-gradient(110deg, #0452c7, #06398c);
  color: #fff;
  padding: 75px 0;
}

.contact-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.contact-cta .section-label { color: #8dd1ff; }
.contact-cta h2 { max-width: 750px; margin-bottom: 10px; }
.contact-cta p:not(.section-label) { color: #dbeaff; margin: 0; }

.btn-white {
  background: #fff;
  color: #0752c9;
  white-space: nowrap;
}

.btn-white:hover { transform: translateY(-2px); }

/* Footer */
footer {
  background: #03101d;
  color: #b8c5d5;
  padding: 30px 0;
  font-size: 13px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}

.footer-inner p { margin: 5px 0; }
.footer-mark { color: #fff; }

/* Responsive */
@media (max-width: 1100px) {
  .nav-links { gap: 18px; }
  .service-grid { grid-template-columns: repeat(3, 1fr); }
  .service-card:last-child { grid-column: span 1; }
  .values-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 0; }
  .value:nth-child(2) { border-right: 0; }
  .hero-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 850px) {
  .topbar-inner { flex-wrap: wrap; justify-content: center; padding: 9px 0; }
  .nav { min-height: 76px; }
  .menu-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    padding: 18px 24px 25px;
    background: #fff;
    box-shadow: 0 15px 25px rgba(0,0,0,.1);
    flex-direction: column;
    align-items: stretch;
  }
  .nav-links.open { display: flex; }
  .nav-links > a:not(.nav-cta) { padding: 12px 0; }
  .nav-links > a:not(.nav-cta):after { display: none; }
  .nav-cta { text-align: center; margin-top: 7px; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { padding: 75px 0 45px; }
  .hero-visual { min-height: 310px; margin-bottom: 50px; }
  .network-orb { width: 270px; height: 270px; left: 50%; }
  .hand-shape { right: 4%; bottom: 25px; width: 300px; }
  .services-section { margin-top: -20px; }

  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .two-column { grid-template-columns: 1fr; gap: 40px; }
  .contact-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 30px, 1340px); }
  .topbar { display: none; }
  .brand-name { font-size: 12px; }
  .brand-sub { font-size: 8px; }
  .hero h1 { font-size: 43px; }
  .hero-copy { padding-top: 55px; }
  .hero-visual { min-height: 250px; }
  .network-orb { width: 220px; height: 220px; }
  .node { width: 42px; height: 42px; }
  .hand-shape { width: 245px; height: 90px; }

  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 270px; }

  .values-grid { grid-template-columns: 1fr; }
  .value,
  .value:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid #dce3ec;
    padding: 0 0 22px;
  }
  .value:last-child { border-bottom: 0; padding-bottom: 0; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}