:root {
  --navy: #0a1c33;
  --blue: #2450a4;
  --blue-bright: #2d6cdf;
  --orange: #ff8a18;
  --ink: #243035;
  --slate: #66737a;
  --paper: #f6f9fc;
  --white: #ffffff;
  --line: rgba(36, 80, 164, .16);
  --shadow: 0 24px 70px rgba(8, 26, 48, .16);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f8fbff 0%, #eef5fb 100%);
  line-height: 1.6;
}

.blueprint-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .5;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    linear-gradient(rgba(255, 138, 24, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 138, 24, .06) 1px, transparent 1px);
  background-size: 44px 44px, 44px 44px, 220px 220px, 220px 220px;
  z-index: -1;
}

.site-header {
  width: min(1180px, calc(100% - 40px));
  margin: 18px auto 0;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  background: rgba(255,255,255,.86);
  border: 1px solid rgba(36,80,164,.14);
  border-radius: 24px;
  backdrop-filter: blur(14px);
  position: sticky;
  top: 12px;
  z-index: 10;
  box-shadow: 0 10px 34px rgba(8, 26, 48, .08);
}

.brand img { height: 54px; width: auto; display: block; }

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-weight: 700;
  font-size: 14px;
}

.nav a, .header-cta { color: var(--navy); text-decoration: none; }

.nav a:hover { color: var(--blue); }

.header-cta {
  background: var(--navy);
  color: #fff;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 14px;
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 86px 0;
}

.hero {
  min-height: 720px;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  align-items: center;
  gap: 62px;
  padding-top: 96px;
}

.eyebrow {
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-weight: 900;
  font-size: 12px;
  margin: 0 0 14px;
}

h1, h2, h3 {
  font-family: "Space Grotesk", Inter, sans-serif;
  line-height: 1.05;
  color: var(--navy);
  margin: 0;
}

h1 {
  font-size: clamp(46px, 6vw, 78px);
  letter-spacing: -.055em;
  max-width: 900px;
}

h2 {
  font-size: clamp(34px, 4vw, 54px);
  letter-spacing: -.04em;
}

h3 {
  font-size: 24px;
  letter-spacing: -.025em;
}

.hero-copy {
  font-size: 20px;
  color: #45545c;
  max-width: 680px;
  margin: 24px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 900;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}

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

.btn.primary {
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--blue-bright));
  box-shadow: 0 14px 30px rgba(36,80,164,.24);
}

.btn.secondary {
  color: var(--navy);
  background: white;
  border: 1px solid rgba(36,80,164,.18);
}

.hero-panel {
  min-height: 520px;
  display: grid;
  place-items: center;
  position: relative;
}

.hero-panel::before {
  content: "";
  position: absolute;
  width: 78%;
  aspect-ratio: 1;
  border: 2px solid rgba(36,80,164,.16);
  border-radius: 50%;
}

.drawing-card {
  width: min(440px, 100%);
  background: rgba(10,28,51,.94);
  color: white;
  border-radius: 32px;
  padding: 30px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,.1);
  position: relative;
  overflow: hidden;
}

.drawing-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 24px 24px;
}

.drawing-card > * { position: relative; }

.tag {
  display: inline-flex;
  color: var(--orange);
  font-weight: 900;
  letter-spacing: .12em;
  font-size: 12px;
}

.schematic {
  height: 300px;
  margin: 28px 0;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 24px;
  position: relative;
}

.node {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 3px solid white;
  border-radius: 50%;
  background: var(--navy);
}

.n1 { left: 54px; top: 72px; }
.n2 { right: 70px; top: 58px; }
.n3 { left: 78px; bottom: 62px; }
.n4 { right: 56px; bottom: 78px; }

.line {
  position: absolute;
  height: 3px;
  background: rgba(255,255,255,.72);
  transform-origin: left center;
}

.l1 { width: 210px; left: 68px; top: 82px; transform: rotate(-4deg); }
.l2 { width: 230px; left: 88px; bottom: 78px; transform: rotate(4deg); }
.l3 { width: 178px; left: 98px; top: 154px; transform: rotate(35deg); background: var(--orange); }

.arc {
  position: absolute;
  right: 70px;
  top: 92px;
  width: 110px;
  height: 110px;
  border: 3px dashed rgba(255,138,24,.95);
  border-left-color: transparent;
  border-bottom-color: transparent;
  border-radius: 50%;
}

.dimension-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.dimension-row span {
  height: 7px;
  border-radius: 999px;
  background: rgba(255,255,255,.18);
}

.drawing-card p { color: rgba(255,255,255,.72); margin-bottom: 0; }

.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: start;
  border-top: 1px solid rgba(36,80,164,.14);
  border-bottom: 1px solid rgba(36,80,164,.14);
}

.intro > p {
  font-size: 20px;
  margin: 0;
  color: #46565d;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.card, .industry-grid div, .steps div, .contact-card {
  background: rgba(255,255,255,.86);
  border: 1px solid rgba(36,80,164,.13);
  box-shadow: 0 16px 44px rgba(8,26,48,.08);
}

.card {
  padding: 28px;
  border-radius: 26px;
  min-height: 280px;
}

.card-number {
  color: var(--orange);
  font-weight: 900;
  font-size: 13px;
}

.card h3 { margin-top: 28px; }

.card p, .steps p, .industry-grid span, .contact-card p {
  color: #526168;
}

.industries {
  background: var(--navy);
  color: white;
  border-radius: 42px;
  padding-left: 44px;
  padding-right: 44px;
  box-shadow: var(--shadow);
}

.industries h2 { color: white; }

.industries .eyebrow { color: var(--orange); }

.industry-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.industry-grid div {
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.12);
  border-radius: 22px;
  padding: 22px;
}

.industry-grid strong {
  display: block;
  color: #fff;
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: 19px;
  margin-bottom: 12px;
}

.industry-grid span {
  display: block;
  color: rgba(255,255,255,.7);
  font-size: 14px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.steps div {
  border-radius: 28px;
  padding: 30px;
}

.steps span {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  background: rgba(36,80,164,.1);
  color: var(--blue);
  border-radius: 16px;
  font-weight: 900;
  margin-bottom: 24px;
}

.contact-card {
  padding: clamp(34px, 6vw, 70px);
  border-radius: 38px;
  background:
    radial-gradient(circle at 88% 18%, rgba(255,138,24,.22), transparent 26%),
    linear-gradient(135deg, rgba(255,255,255,.96), rgba(239,246,253,.92));
  text-align: center;
}

.contact-card p {
  max-width: 680px;
  margin: 20px auto 28px;
  font-size: 19px;
}

.site-footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto 34px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: #607079;
  font-size: 14px;
  padding-top: 18px;
  border-top: 1px solid rgba(36,80,164,.14);
}

@media (max-width: 980px) {
  .hero, .intro { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .nav { display: none; }
}

@media (max-width: 620px) {
  .site-header { width: calc(100% - 24px); border-radius: 18px; }
  .brand img { height: 42px; }
  .header-cta { padding: 10px 13px; font-size: 12px; }
  .section { width: calc(100% - 28px); padding: 58px 0; }
  .hero { padding-top: 66px; gap: 30px; }
  .hero-copy { font-size: 17px; }
  .cards, .industry-grid { grid-template-columns: 1fr; }
  .industries { border-radius: 28px; padding-left: 22px; padding-right: 22px; }
  .site-footer { flex-direction: column; width: calc(100% - 28px); }
}
