:root {
  --bg: #05080d;
  --panel: rgba(10, 18, 28, 0.84);
  --line: rgba(57, 170, 255, 0.34);
  --blue: #39aaff;
  --blue-soft: #8fd8ff;
  --text: #f2f7fb;
  --muted: #9fb4c5;
  --white: #ffffff;
  --steel: #182435;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    linear-gradient(rgba(57,170,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57,170,255,.045) 1px, transparent 1px),
    radial-gradient(circle at top right, rgba(57,170,255,.18), transparent 34%),
    var(--bg);
  background-size: 38px 38px, 38px 38px, auto, auto;
  color: var(--text);
  overflow-x: hidden;
}

body:before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, transparent 0 48%, rgba(57,170,255,.10) 49%, transparent 50%),
    linear-gradient(45deg, transparent 0 70%, rgba(57,170,255,.07) 71%, transparent 72%);
  opacity: .42;
  z-index: -1;
}

header {
  padding: 24px 7vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(57,170,255,.18);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(5,8,13,.76);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
  text-decoration: none;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: 14px;
  font-weight: 700;
}

.logo {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--blue);
  box-shadow: 0 0 22px rgba(57,170,255,.24);
  font-size: 24px;
  font-weight: 700;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 24px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

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

.hero {
  padding: 105px 7vw 80px;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 60px;
  align-items: center;
  min-height: 80vh;
}

.page-hero {
  padding: 92px 7vw 60px;
  border-bottom: 1px solid rgba(57,170,255,.12);
}

.eyebrow {
  color: var(--blue-soft);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: 13px;
  margin-bottom: 22px;
}

h1 {
  font-size: clamp(46px, 7vw, 92px);
  line-height: .94;
  margin: 0 0 28px;
  letter-spacing: -0.06em;
}

h2 {
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1;
  margin: 0 0 20px;
  letter-spacing: -0.04em;
}

h3 { font-size: 23px; margin: 0 0 14px; }

p {
  color: var(--muted);
  line-height: 1.65;
  font-size: 17px;
}

.hero p {
  font-size: 20px;
  max-width: 720px;
  margin-bottom: 36px;
}

.buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  padding: 16px 24px;
  border: 1px solid var(--blue);
  color: var(--bg);
  background: var(--blue);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 700;
  font-size: 13px;
  display: inline-block;
}

.btn.secondary {
  background: transparent;
  color: var(--blue-soft);
  border-color: rgba(143,216,255,.42);
}

.schematic {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 30px;
  min-height: 430px;
  position: relative;
  box-shadow: 0 0 50px rgba(57,170,255,.08);
}

.schematic:before, .schematic:after {
  content: "";
  position: absolute;
  border: 1px solid rgba(57,170,255,.35);
}

.schematic:before { top: 28px; right: 28px; width: 90px; height: 90px; }
.schematic:after { bottom: 38px; left: 32px; width: 150px; height: 70px; }

.metric {
  border-left: 2px solid var(--blue);
  padding: 18px 0 18px 18px;
  margin-bottom: 24px;
}

.metric strong {
  display: block;
  font-size: 36px;
  color: var(--white);
  margin-bottom: 6px;
}

.metric span {
  color: var(--muted);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

section {
  padding: 82px 7vw;
  border-top: 1px solid rgba(57,170,255,.12);
}

.section-title {
  max-width: 850px;
  margin-bottom: 48px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.grid.two { grid-template-columns: repeat(2, 1fr); }

.card {
  background: rgba(10, 18, 28, .74);
  border: 1px solid rgba(57,170,255,.22);
  padding: 30px;
  min-height: 245px;
  position: relative;
}

.card:before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 46px; height: 2px;
  background: var(--blue);
}

.split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.quote {
  background: linear-gradient(135deg, rgba(57,170,255,.15), rgba(10,18,28,.6));
  border: 1px solid rgba(57,170,255,.32);
  padding: 44px;
}

.quote h2 { color: var(--blue-soft); }

.steps {
  counter-reset: step;
  display: grid;
  gap: 18px;
}

.step {
  counter-increment: step;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 24px;
  align-items: start;
  padding: 24px;
  background: rgba(10,18,28,.68);
  border: 1px solid rgba(57,170,255,.18);
}

.step:before {
  content: "0" counter(step);
  color: var(--blue);
  font-size: 28px;
  font-weight: 700;
}

.step p { margin: 0; }

.cta {
  text-align: center;
  padding: 105px 7vw;
  background:
    radial-gradient(circle at center, rgba(57,170,255,.18), transparent 48%),
    rgba(3,6,10,.45);
}

.cta p {
  max-width: 760px;
  margin: 0 auto 34px;
  font-size: 19px;
}

form {
  display: grid;
  gap: 16px;
  max-width: 740px;
}

input, textarea, select {
  width: 100%;
  padding: 16px;
  background: rgba(10,18,28,.82);
  border: 1px solid rgba(57,170,255,.28);
  color: var(--text);
  font-size: 16px;
}

textarea { min-height: 150px; }

footer {
  padding: 34px 7vw;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  border-top: 1px solid rgba(57,170,255,.18);
}

@media (max-width: 900px) {
  header { align-items: flex-start; gap: 18px; flex-direction: column; }
  nav a { margin: 0 18px 10px 0; display: inline-block; }
  .hero, .split { grid-template-columns: 1fr; }
  .grid, .grid.two { grid-template-columns: 1fr; }
  h1 { font-size: 48px; }
}