:root {
  color-scheme: dark;
  --bg: #030914;
  --bg-elevated: #07101f;
  --bg-panel: #0b1627;
  --line: rgba(125, 194, 255, 0.22);
  --line-strong: rgba(0, 147, 255, 0.48);
  --text: #f7fbff;
  --muted: #a9b8cb;
  --blue: #006dff;
  --blue-bright: #0bb6ff;
  --cyan: #36e1ff;
  --mint: #6ee7c8;
  --shadow: 0 24px 90px rgba(0, 109, 255, 0.2);
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 12% 6%, rgba(0, 109, 255, 0.18), transparent 30rem),
    linear-gradient(180deg, #020712 0%, var(--bg) 38%, #050b12 100%);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(54, 225, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(54, 225, 255, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 68%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
  padding: 1rem 0;
  backdrop-filter: blur(18px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  min-width: 0;
}

.brand-mark__text {
  display: grid;
  gap: 0.08rem;
  text-transform: uppercase;
}

.brand-mark__text span:first-child {
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.26em;
}

.brand-mark__text span:last-child {
  color: var(--blue-bright);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.3em;
}

.signal-logo {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  flex: 0 0 auto;
}

.signal-logo__stack {
  position: absolute;
  width: 2rem;
  height: 2rem;
  border: 0.28rem solid var(--text);
  border-top-color: var(--blue);
  transform: rotate(45deg);
}

.signal-logo__stack--top {
  top: 1.35rem;
}

.signal-logo__stack--bottom {
  top: 1.78rem;
  opacity: 0.92;
}

.signal-logo__pin {
  position: absolute;
  top: 0.86rem;
  z-index: 2;
  width: 0.42rem;
  height: 1.65rem;
  border: 0.18rem solid var(--text);
  border-radius: 999px;
  background: var(--bg);
}

.signal-logo__pin::before {
  position: absolute;
  top: -0.34rem;
  left: 50%;
  width: 0.42rem;
  height: 0.42rem;
  content: "";
  border: 0.14rem solid var(--text);
  border-radius: 50%;
  background: var(--bg);
  transform: translateX(-50%);
}

.signal-logo__rings {
  position: absolute;
  top: 0.18rem;
  width: 1.95rem;
  height: 1.95rem;
  border: 0.28rem solid var(--blue);
  border-bottom-color: transparent;
  border-radius: 50%;
}

.signal-logo__rings::after {
  position: absolute;
  inset: 0.42rem;
  content: "";
  border: 0.22rem solid var(--blue-bright);
  border-bottom-color: transparent;
  border-radius: 50%;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.75rem, 2vw, 1.6rem);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.nav-links a {
  padding: 0.45rem 0;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover {
  color: var(--text);
  border-color: var(--blue-bright);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.88fr);
  align-items: center;
  gap: clamp(2rem, 7vw, 5.5rem);
  width: min(100% - 2rem, var(--max-width));
  min-height: calc(88vh - 5rem);
  margin: 0 auto;
  padding: clamp(3.4rem, 8vw, 6rem) 0 clamp(2.4rem, 6vw, 4.4rem);
}

.hero__content {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 0.95rem;
  color: var(--blue-bright);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 1.35rem;
  font-size: clamp(2.75rem, 7vw, 5.8rem);
  font-weight: 850;
  line-height: 0.98;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4.4vw, 3.7rem);
  font-weight: 820;
  line-height: 1.02;
}

h3 {
  margin-bottom: 0.65rem;
  font-size: 1.16rem;
  line-height: 1.2;
}

.hero__copy,
.section-copy p,
.cta p,
.feature p,
.service-overview p {
  color: var(--muted);
}

.hero__copy {
  max-width: 640px;
  margin-bottom: 2rem;
  font-size: clamp(1.03rem, 1.6vw, 1.22rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.82rem 1.12rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-weight: 800;
  line-height: 1;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

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

.button--primary {
  border-color: rgba(54, 225, 255, 0.55);
  background: linear-gradient(135deg, var(--blue), var(--blue-bright));
  color: #ffffff;
  box-shadow: 0 16px 46px rgba(0, 109, 255, 0.28);
}

.button--secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.hero-visual {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(140deg, rgba(0, 109, 255, 0.12), rgba(54, 225, 255, 0.04)),
    rgba(7, 16, 31, 0.78);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 1083 / 633;
  object-fit: cover;
}

.hero-visual__caption {
  position: absolute;
  right: 1.1rem;
  bottom: 1rem;
  left: 1.1rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.hero-visual__caption span {
  padding: 0.75rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(3, 9, 20, 0.78);
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-align: center;
  text-transform: uppercase;
}

.service-overview,
.section,
.cta {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
}

.service-overview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  overflow: hidden;
}

.service-overview article {
  min-height: 13rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: rgba(7, 16, 31, 0.94);
}

.service-overview span {
  display: inline-block;
  margin-bottom: 1.4rem;
  color: var(--mint);
  font-weight: 850;
}

.service-overview h2 {
  margin-bottom: 0.5rem;
  font-size: 1.4rem;
  line-height: 1.2;
}

.section {
  padding: clamp(4.8rem, 9vw, 7rem) 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(300px, 1fr);
  gap: clamp(2rem, 7vw, 5rem);
  align-items: start;
}

.section-copy {
  font-size: 1.04rem;
}

.check-list {
  display: grid;
  gap: 0.75rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.45rem;
  color: var(--text);
  font-weight: 650;
}

.check-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 0.58rem;
  height: 0.58rem;
  content: "";
  border-right: 2px solid var(--mint);
  border-bottom: 2px solid var(--mint);
  transform: translateY(-50%) rotate(45deg);
}

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

.section-heading {
  grid-column: 1 / -1;
  max-width: 820px;
  margin-bottom: 0.8rem;
}

.feature {
  min-height: 18rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(0, 109, 255, 0.09), rgba(7, 16, 31, 0.62)),
    rgba(7, 16, 31, 0.9);
}

.feature__icon {
  display: inline-grid;
  place-items: center;
  width: 3.15rem;
  height: 3.15rem;
  margin-bottom: 2.4rem;
  border: 1px solid rgba(54, 225, 255, 0.42);
  border-radius: 50%;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.section--accent {
  position: relative;
  padding-right: clamp(1rem, 4vw, 3rem);
  padding-left: clamp(1rem, 4vw, 3rem);
  border: 1px solid rgba(110, 231, 200, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(110, 231, 200, 0.08), rgba(0, 109, 255, 0.08)),
    rgba(7, 16, 31, 0.64);
}

.metric-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.8rem;
}

.metric-row span {
  padding: 0.65rem 0.85rem;
  border: 1px solid rgba(54, 225, 255, 0.28);
  border-radius: 999px;
  background: rgba(3, 9, 20, 0.62);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 750;
}

.cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 0.45fr);
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
  margin-top: clamp(4.8rem, 8vw, 6.4rem);
  margin-bottom: 2rem;
  padding: clamp(2rem, 5vw, 3rem);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(0, 109, 255, 0.2), rgba(54, 225, 255, 0.08)),
    var(--bg-panel);
  box-shadow: var(--shadow);
}

.cta h2 {
  max-width: 780px;
}

.cta p {
  max-width: 640px;
  margin-bottom: 0;
}

.contact-panel {
  display: grid;
  gap: 0.8rem;
  min-width: 0;
}

.contact-panel img {
  display: block;
  width: 100%;
  margin-bottom: 0.55rem;
  border: 1px solid rgba(54, 225, 255, 0.2);
  border-radius: 6px;
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.26);
}

.contact-panel a:not(.button) {
  min-width: 0;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.contact-panel a:not(.button):hover {
  color: var(--cyan);
}

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

  .nav-links {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0.2rem;
  }

  .hero,
  .split,
  .cta {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    padding-top: 3rem;
  }

  .hero-visual {
    max-width: 680px;
  }

  .service-overview,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .service-overview article,
  .feature {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  .brand-mark__text span:first-child {
    font-size: 0.9rem;
    letter-spacing: 0.18em;
  }

  .brand-mark__text span:last-child {
    font-size: 0.62rem;
    letter-spacing: 0.18em;
  }

  .hero__actions,
  .hero__actions .button,
  .contact-panel .button {
    width: 100%;
  }

  .hero-visual__caption {
    grid-template-columns: 1fr;
  }

  .hero-visual__caption span {
    padding: 0.55rem;
  }

  .cta {
    padding: 1.4rem;
  }
}