:root {
  color-scheme: dark;
  --lu-primary: #c8ff00;
  --lu-accent: #00e5ff;
  --lu-secondary: #7bff6a;
  --lu-bg: #0a0f1e;
  --lu-card: #0d1830;
  --lu-mid: #132040;
  --lu-text: #ffffff;
  --lu-muted: #8a9cb5;
  --lu-line: rgba(0, 229, 255, 0.28);
  --lu-line-soft: rgba(138, 156, 181, 0.17);
  --font-display: "Orbitron", "Arial", sans-serif;
  --font-alt: "Exo 2", "Arial", sans-serif;
  --font-body: "Inter", "Arial", sans-serif;
  --shadow-cyan: 0 0 28px rgba(0, 229, 255, 0.18);
  --shadow-lime: 0 0 34px rgba(200, 255, 0, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  font-family: var(--font-body);
  color: var(--lu-text);
  background:
    radial-gradient(100% 75% at 82% 0%, rgba(0, 229, 255, 0.18), transparent 58%),
    radial-gradient(80% 60% at 8% 38%, rgba(123, 255, 106, 0.08), transparent 60%),
    linear-gradient(145deg, #070b16 0%, var(--lu-bg) 46%, #050812 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 82%);
  content: "";
}

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

img {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 64px);
  background: rgba(7, 11, 22, 0.78);
  border-bottom: 1px solid var(--lu-line-soft);
  backdrop-filter: blur(16px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  white-space: nowrap;
}

.brand img,
.footer-brand img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(0, 229, 255, 0.35));
}

.brand strong,
.footer-brand strong {
  color: var(--lu-primary);
}

.brand span,
.footer-brand span {
  color: var(--lu-accent);
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: clamp(12px, 2vw, 28px);
  color: var(--lu-muted);
  font-family: var(--font-alt);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

nav a:hover {
  color: var(--lu-accent);
  text-shadow: 0 0 18px rgba(0, 229, 255, 0.55);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100vh - 67px);
  padding: clamp(72px, 10vw, 130px) clamp(20px, 5vw, 64px);
  place-items: center;
}

.hero-orbit {
  position: absolute;
  inset: 5% auto auto -12%;
  width: min(760px, 62vw);
  opacity: 0.95;
  pointer-events: none;
}

.hero-orbit img {
  filter: drop-shadow(0 0 70px rgba(0, 229, 255, 0.24));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  margin-left: min(34vw, 420px);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 18px;
  color: var(--lu-accent);
  font-family: var(--font-alt);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.36em;
  text-transform: uppercase;
}

.eyebrow::after {
  display: block;
  width: 58px;
  height: 1px;
  background: linear-gradient(90deg, var(--lu-accent), transparent);
  content: "";
}

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

h1 {
  margin-bottom: 28px;
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 0.9;
  text-transform: uppercase;
}

h1 span:first-child {
  display: block;
  color: var(--lu-primary);
  font-size: clamp(4.4rem, 14vw, 10.5rem);
  text-shadow: var(--shadow-lime);
}

h1 span:last-child {
  display: block;
  margin-top: 8px;
  color: var(--lu-accent);
  font-size: clamp(2rem, 6vw, 5.2rem);
  letter-spacing: 0.22em;
  text-shadow: var(--shadow-cyan);
}

h2 {
  margin-bottom: 18px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.6vw, 4.2rem);
  line-height: 1.04;
  text-transform: uppercase;
}

h3 {
  margin-bottom: 12px;
  color: #edf7ff;
  font-family: var(--font-alt);
  font-size: 1.28rem;
}

p {
  color: #c9d6e6;
  font-size: 1rem;
  line-height: 1.75;
}

.hero-text {
  max-width: 660px;
  color: #dce9f5;
  font-family: var(--font-alt);
  font-size: clamp(1.12rem, 2vw, 1.45rem);
  font-weight: 300;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--lu-line);
  border-radius: 8px;
  font-family: var(--font-alt);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.button.primary {
  color: #06101a;
  background: linear-gradient(135deg, var(--lu-primary), var(--lu-accent));
  border-color: transparent;
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.24);
}

.button.secondary {
  color: var(--lu-accent);
  background: rgba(0, 229, 255, 0.06);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.24);
}

.section,
.contact {
  padding: clamp(72px, 10vw, 130px) clamp(20px, 5vw, 64px);
  border-top: 1px solid var(--lu-line-soft);
}

.section-heading {
  width: min(780px, 100%);
  margin-bottom: 34px;
}

.section-heading.compact {
  margin-bottom: 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-grid article,
.process-list div {
  position: relative;
  overflow: hidden;
  min-height: 238px;
  padding: 26px;
  border: 1px solid var(--lu-line-soft);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(13, 24, 48, 0.78), rgba(10, 15, 30, 0.72)),
    radial-gradient(120% 100% at 20% 0%, rgba(0, 229, 255, 0.1), transparent 55%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.service-grid article::before,
.process-list div::before {
  position: absolute;
  inset: 0;
  border-top: 1px solid rgba(200, 255, 0, 0.35);
  pointer-events: none;
  content: "";
}

.service-grid span {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--lu-primary);
  font-family: var(--font-display);
  font-weight: 800;
}

.process {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1.2fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.process-list {
  display: grid;
  gap: 16px;
}

.process-list div {
  min-height: auto;
}

.process-list strong {
  display: block;
  margin-bottom: 8px;
  color: var(--lu-primary);
  font-family: var(--font-display);
  font-size: 0.96rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.process-list p {
  margin-bottom: 0;
}

.about {
  display: grid;
  grid-template-columns: minmax(280px, 440px) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 86px);
  align-items: center;
  background:
    radial-gradient(80% 70% at 16% 38%, rgba(200, 255, 0, 0.08), transparent 64%),
    linear-gradient(180deg, rgba(19, 32, 64, 0.34), rgba(10, 15, 30, 0));
}

.about-photo {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--lu-line);
  border-radius: 8px;
  background: var(--lu-card);
  box-shadow: 0 0 42px rgba(0, 229, 255, 0.14);
}

.about-photo::after {
  position: absolute;
  inset: auto 0 0;
  height: 34%;
  background: linear-gradient(0deg, rgba(10, 15, 30, 0.8), transparent);
  content: "";
}

.about-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.about-copy {
  max-width: 760px;
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  background:
    radial-gradient(70% 95% at 82% 50%, rgba(0, 229, 255, 0.2), transparent 58%),
    linear-gradient(135deg, #07101d, var(--lu-mid));
}

.contact h2 {
  margin-bottom: 16px;
}

.contact p:not(.eyebrow) {
  max-width: 720px;
  margin-bottom: 0;
}

footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(20px, 5vw, 64px);
  color: var(--lu-muted);
  border-top: 1px solid var(--lu-line-soft);
  font-size: 0.92rem;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  .hero {
    min-height: auto;
    place-items: start;
  }

  .hero-orbit {
    inset: 48px auto auto -180px;
    width: 560px;
    opacity: 0.45;
  }

  .hero-content {
    margin-left: 0;
  }

  .service-grid,
  .process,
  .about,
  .contact {
    grid-template-columns: 1fr;
  }

  .contact .button {
    justify-self: start;
  }
}

@media (max-width: 560px) {
  .site-header {
    position: static;
  }

  nav {
    width: 100%;
    gap: 12px 16px;
    font-size: 0.7rem;
  }

  h1 span:last-child {
    letter-spacing: 0.12em;
  }

  .eyebrow {
    letter-spacing: 0.2em;
  }

  .button {
    width: 100%;
    padding-inline: 14px;
    text-align: center;
  }

  .hero-orbit {
    inset: 36px auto auto -220px;
  }
}