:root {
  --bg-main: #05070d;
  --bg-secondary: #0b1020;
  --bg-elevated: #101827;
  --card-bg: rgba(17, 24, 39, 0.82);
  --blue-neon: #00aaff;
  --blue-soft: #38bdf8;
  --blue-deep: #075985;
  --steel: #a8b3c7;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-soft: rgba(56, 189, 248, 0.25);
  --shadow-blue: 0 24px 80px rgba(0, 170, 255, 0.14);
  --container: 1160px;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-main);
  background: radial-gradient(circle at 78% 12%, rgba(0, 170, 255, 0.18), transparent 30%), linear-gradient(180deg, #05070d 0%, #08101e 48%, #05070d 100%);
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(56, 189, 248, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(56, 189, 248, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.7), transparent 82%);
  z-index: -1;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

.container {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--blue-neon);
  color: #00111d;
  border-radius: 6px;
  font-weight: 700;
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(56, 189, 248, 0.14);
  background: rgba(5, 7, 13, 0.78);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand img {
  width: 132px;
}

.main-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--text-muted);
  font-size: 0.94rem;
}

.main-nav a,
.header-cta {
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--text-main);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 700;
  white-space: nowrap;
}

.header-cta {
  border: 1px solid var(--border-soft);
  color: var(--blue-soft);
}

.header-cta:hover,
.header-cta:focus-visible {
  background: rgba(0, 170, 255, 0.08);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.72);
  color: var(--text-main);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.section {
  padding: 96px 0;
}

.hero {
  min-height: calc(100vh - 78px);
  display: grid;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  gap: 54px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-soft);
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: clamp(2.35rem, 5vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 3.2vw, 3.2rem);
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.15rem;
}

.hero-text,
.section-heading p,
.service-card p,
.feature-panel p,
.contact-panel p,
.site-footer p {
  color: var(--text-muted);
  line-height: 1.72;
}

.hero-text {
  max-width: 680px;
  font-size: 1.12rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button.primary {
  background: linear-gradient(135deg, var(--blue-neon), #67e8f9);
  color: #02111f;
  box-shadow: 0 16px 38px rgba(0, 170, 255, 0.26);
}

.button.secondary {
  border: 1px solid var(--border-soft);
  color: var(--text-main);
  background: rgba(15, 23, 42, 0.62);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.signal-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 640px;
  margin: 36px 0 0;
}

.signal-row div {
  padding: 16px;
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: var(--radius);
  background: rgba(15, 23, 42, 0.44);
}

.signal-row dt {
  color: var(--blue-soft);
  font-size: 1.05rem;
  font-weight: 900;
}

.signal-row dd {
  margin: 4px 0 0;
  color: var(--text-muted);
  font-size: 0.86rem;
}

.hero-visual {
  min-height: 360px;
  display: grid;
  place-items: center;
}

.orbital-panel {
  position: relative;
  width: min(100%, 560px);
  aspect-ratio: 1.35;
  display: grid;
  place-items: center;
}

.orbital-panel::before {
  content: "";
  position: absolute;
  inset: 8%;
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 50%;
  transform: rotate(-12deg);
  box-shadow: inset 0 0 36px rgba(56, 189, 248, 0.08), 0 0 80px rgba(0, 170, 255, 0.1);
}

.orbital-panel img {
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 20px 36px rgba(0, 170, 255, 0.22));
}

.orbit-line {
  position: absolute;
  border: 1px solid rgba(56, 189, 248, 0.32);
  border-radius: 50%;
}

.orbit-one {
  inset: 12% 2%;
  transform: rotate(8deg);
}

.orbit-two {
  inset: 20% 8%;
  transform: rotate(-18deg);
  border-color: rgba(168, 179, 199, 0.18);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

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

.service-card,
.feature-panel,
.contact-panel {
  border: 1px solid rgba(56, 189, 248, 0.16);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.88), rgba(8, 13, 25, 0.88));
  box-shadow: var(--shadow-blue);
}

.service-card {
  min-height: 238px;
  padding: 24px;
}

.service-card:hover {
  border-color: rgba(56, 189, 248, 0.42);
  transform: translateY(-2px);
  transition: transform 180ms ease, border-color 180ms ease;
}

.card-index {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--blue-soft);
  font-weight: 900;
  font-size: 0.85rem;
}

.split-layout,
.security-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.72fr);
  gap: 44px;
  align-items: center;
}

.feature-panel {
  padding: 34px;
}

.feature-panel strong {
  display: block;
  margin-bottom: 16px;
  color: var(--text-main);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.05;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.check-list li,
.pill-grid span {
  border: 1px solid rgba(56, 189, 248, 0.18);
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.62);
}

.check-list li {
  padding: 16px 18px;
  color: var(--steel);
}

.check-list li::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 12px;
  border-radius: 50%;
  background: var(--blue-neon);
  box-shadow: 0 0 16px rgba(0, 170, 255, 0.8);
}

.pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.pill-grid span {
  padding: 13px 16px;
  color: var(--text-muted);
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: clamp(28px, 5vw, 50px);
}

.site-footer {
  border-top: 1px solid rgba(56, 189, 248, 0.14);
  padding: 34px 0;
  background: rgba(5, 7, 13, 0.86);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--text-muted);
}

.footer-inner img {
  width: 92px;
}

.footer-inner p {
  margin: 0;
}

.footer-inner a {
  margin-left: auto;
  color: var(--blue-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 560ms ease, transform 560ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 920px) {
  .header-inner {
    min-height: 70px;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .main-nav {
    position: absolute;
    top: 70px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    background: rgba(5, 7, 13, 0.96);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 14px;
  }

  .header-cta {
    display: none;
  }

  .hero-grid,
  .split-layout,
  .security-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 280px;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-actions {
    margin-top: 0;
  }

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

  .footer-inner a {
    margin-left: 0;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .section {
    padding: 72px 0;
  }

  h1 {
    font-size: 2.45rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero-actions,
  .contact-actions,
  .signal-row {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .signal-row {
    display: grid;
  }

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

  .service-card {
    min-height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}