:root {
  color-scheme: dark;
  --bg: #05080c;
  --bg-soft: #0a1017;
  --panel: rgba(10, 18, 27, 0.74);
  --line: rgba(148, 181, 205, 0.18);
  --text: #f4f8fb;
  --muted: #9dafbd;
  --cyan: #22c7ff;
  --cyan-soft: rgba(34, 199, 255, 0.18);
  --silver: #cdd7df;
  --amber: #f3b75b;
  --green: #63d7a5;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background:
    linear-gradient(180deg, rgba(6, 12, 18, 0.1), var(--bg) 78%),
    radial-gradient(circle at 78% 14%, rgba(34, 199, 255, 0.16), transparent 26%),
    radial-gradient(circle at 14% 72%, rgba(243, 183, 91, 0.08), transparent 24%),
    var(--bg);
  color: var(--text);
  letter-spacing: 0;
}

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

#signal-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  background: #05080c;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.024) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 76%);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(34, 199, 255, 0.42);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(34, 199, 255, 0.08));
  color: var(--text);
  font-weight: 800;
  font-size: 14px;
  box-shadow: 0 0 28px rgba(34, 199, 255, 0.18);
}

.brand-text {
  font-size: 15px;
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
}

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

main {
  overflow: hidden;
}

.hero {
  min-height: 100vh;
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(360px, 1.12fr);
  align-items: center;
  gap: 34px;
  padding: 132px 28px 72px;
}

.hero-copy {
  position: relative;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(50px, 8vw, 118px);
  line-height: 0.88;
  font-weight: 800;
}

h2 {
  max-width: 760px;
  font-size: clamp(32px, 5vw, 68px);
  line-height: 0.98;
  font-weight: 760;
}

h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.lead {
  max-width: 620px;
  color: var(--silver);
  font-size: 20px;
  line-height: 1.55;
}

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

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  font-weight: 750;
  font-size: 14px;
}

.primary-action {
  background: linear-gradient(135deg, var(--cyan), #117bc7);
  color: #001018;
  border-color: transparent;
  box-shadow: 0 12px 42px rgba(34, 199, 255, 0.24);
}

.secondary-action {
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
}

.hero-logo {
  position: relative;
  min-height: 420px;
  display: grid;
  align-items: center;
}

.hero-logo::before,
.hero-logo::after {
  content: "";
  position: absolute;
  left: 6%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 199, 255, 0.58), transparent);
}

.hero-logo::before {
  top: 22%;
}

.hero-logo::after {
  bottom: 20%;
}

.hero-logo img {
  width: min(100%, 820px);
  height: auto;
  display: block;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 32px rgba(34, 199, 255, 0.18));
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 96px 28px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(240px, 0.74fr) 1.26fr;
  gap: 46px;
  align-items: end;
  margin-bottom: 42px;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.expertise-grid article {
  min-height: 280px;
  padding: 28px;
  background: linear-gradient(180deg, rgba(10, 18, 27, 0.66), rgba(10, 18, 27, 0.34));
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.expertise-grid span {
  display: block;
  margin-bottom: 70px;
  color: var(--amber);
  font-weight: 800;
}

.expertise-grid p,
.approach-list p {
  color: var(--muted);
  line-height: 1.62;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 64px;
  align-items: start;
}

.approach-list {
  display: grid;
  gap: 18px;
}

.approach-list div {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.approach-list strong {
  display: block;
  margin-bottom: 10px;
  color: var(--text);
  font-size: 20px;
}

.contact-section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 104px 28px 124px;
  border-top: 1px solid var(--line);
}

.contact-section h2 {
  margin-bottom: 32px;
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 28px 38px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (max-width: 880px) {
  .site-header {
    padding: 18px 20px;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding: 112px 20px 56px;
  }

  .hero-logo {
    min-height: 260px;
  }

  .section,
  .contact-section {
    padding-left: 20px;
    padding-right: 20px;
  }

  .section-heading,
  .split-section {
    grid-template-columns: 1fr;
    gap: 22px;
  }

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

  .expertise-grid span {
    margin-bottom: 34px;
  }

  .site-footer {
    flex-direction: column;
    padding-left: 20px;
    padding-right: 20px;
  }
}