:root {
  --bg: #04111f;
  --bg-elevated: rgba(7, 30, 48, 0.72);
  --bg-soft: rgba(10, 51, 79, 0.5);
  --surface: rgba(255, 255, 255, 0.05);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --surface-border: rgba(146, 213, 255, 0.16);
  --text: #f4fbff;
  --text-muted: #9cc2d9;
  --brand-cyan: #3ad1da;
  --brand-teal: #1f88a6;
  --brand-blue: #29679d;
  --brand-deep: #0f3657;
  --glow: rgba(58, 209, 218, 0.38);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  --radius-lg: 30px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --content-width: 1200px;
  --font-stack: "Segoe UI", "Avenir Next", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: var(--font-stack);
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(58, 209, 218, 0.18), transparent 30%),
    radial-gradient(circle at 85% 15%, rgba(41, 103, 157, 0.25), transparent 22%),
    linear-gradient(180deg, #04111f 0%, #061829 45%, #04111f 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 85%);
  pointer-events: none;
}

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

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

.site-shell {
  width: min(calc(100% - 32px), var(--content-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 18px;
  padding: 18px 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(4, 17, 31, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  width: clamp(180px, 18vw, 240px);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color 180ms ease;
}

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

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  margin: 6px 0;
  border-radius: 999px;
  background: var(--text);
  transition: transform 180ms ease, opacity 180ms ease;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: center;
  padding: 72px 0 40px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand-cyan);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.cta-panel h2 {
  margin: 0;
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(3.4rem, 7vw, 6.4rem);
}

.hero-text,
.section-heading p,
.service-card p,
.approach-list p,
.deployment-card p,
.cta-panel p,
.site-footer p,
.site-footer small {
  color: var(--text-muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 60ch;
  margin: 22px 0 0;
  font-size: 1.06rem;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

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

.button-primary {
  color: #04111f;
  background: linear-gradient(135deg, var(--brand-cyan), #8befff);
  box-shadow: 0 18px 44px rgba(58, 209, 218, 0.32);
}

.button-secondary {
  border-color: var(--surface-border);
  background: rgba(255, 255, 255, 0.03);
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.hero-points li,
.service-card,
.deployment-card,
.proof-strip,
.split-panel,
.cta-panel {
  border: 1px solid var(--surface-border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow);
}

.hero-points li {
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.94rem;
}

.hero-visual {
  position: relative;
}

.hero-orbit {
  position: relative;
  min-height: 640px;
  padding: 48px;
  border-radius: 44px;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(58, 209, 218, 0.22), transparent 24%),
    radial-gradient(circle at 70% 25%, rgba(41, 103, 157, 0.24), transparent 24%),
    linear-gradient(180deg, rgba(12, 36, 55, 0.92), rgba(6, 18, 30, 0.84));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.signal-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(circle at center, black 52%, transparent 100%);
}

.animated-mark {
  position: absolute;
  inset: 50% auto auto 50%;
  width: min(108%, 720px);
  transform: translate(-48%, -48%);
  filter: drop-shadow(0 0 36px rgba(58, 209, 218, 0.18));
}

.status-card {
  position: absolute;
  width: min(280px, calc(100% - 48px));
  padding: 18px 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(4, 17, 31, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
}

.status-card-left {
  left: 24px;
  bottom: 24px;
}

.status-card-right {
  right: 24px;
  top: 24px;
}

.status-kicker,
.card-index {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--brand-cyan);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.status-card strong,
.service-card h3,
.approach-list h3,
.deployment-card h3 {
  display: block;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.status-card p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  padding: 26px 28px;
  border-radius: 28px;
}

.proof-strip span {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--text);
  font-weight: 600;
}

.proof-strip p {
  margin: 0;
  color: var(--text-muted);
}

.section {
  padding: 110px 0 0;
}

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

.section-heading h2,
.cta-panel h2 {
  font-size: clamp(2.2rem, 4vw, 4.1rem);
}

.section-heading p {
  margin-top: 18px;
}

.card-grid,
.deployment-grid {
  display: grid;
  gap: 22px;
  margin-top: 34px;
}

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

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

.service-card,
.deployment-card {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.service-card ul {
  padding-left: 18px;
  margin: 18px 0 0;
  color: var(--text-muted);
  line-height: 1.8;
}

.section-split .split-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 22px;
  margin-top: 32px;
  padding: 28px;
  border-radius: 34px;
}

.approach-list {
  display: grid;
  gap: 22px;
}

.approach-list article {
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.approach-list article:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.approach-panel {
  min-height: 400px;
  border-radius: 28px;
  background:
    radial-gradient(circle at center, rgba(58, 209, 218, 0.22), transparent 38%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.approach-graphic {
  position: relative;
  display: grid;
  place-items: center;
  height: 100%;
}

.approach-core {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(4, 17, 31, 0.84);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  box-shadow: 0 0 44px rgba(58, 209, 218, 0.24);
}

.approach-core strong {
  font-size: 1rem;
}

.approach-core span {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.pulse {
  position: absolute;
  border: 1px solid rgba(58, 209, 218, 0.18);
  border-radius: 50%;
  animation: pulse 4.8s ease-in-out infinite;
}

.pulse-one {
  width: 240px;
  height: 240px;
}

.pulse-two {
  width: 360px;
  height: 360px;
  animation-delay: 0.8s;
}

.pulse-three {
  width: 500px;
  height: 500px;
  animation-delay: 1.6s;
}

.cta-section {
  padding-bottom: 110px;
}

.cta-panel {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  padding: 34px;
  border-radius: 34px;
}

.cta-panel p {
  max-width: 60ch;
}

.site-footer {
  display: grid;
  gap: 12px;
  padding: 0 0 54px;
}

.site-footer img {
  width: clamp(180px, 18vw, 240px);
}

.site-footer p,
.site-footer small {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

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

@keyframes pulse {
  0%,
  100% {
    transform: scale(0.96);
    opacity: 0.32;
  }
  50% {
    transform: scale(1.03);
    opacity: 0.82;
  }
}

@media (max-width: 1100px) {
  .hero,
  .section-split .split-panel,
  .cta-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 48px;
  }

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

  .deployment-grid,
  .proof-strip,
  .hero-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .site-shell {
    width: min(calc(100% - 20px), var(--content-width));
  }

  .site-header {
    align-items: flex-start;
    border-radius: 30px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(4, 17, 31, 0.94);
    box-shadow: var(--shadow);
  }

  .site-nav a {
    padding: 14px 12px;
  }

  .site-header.nav-open .site-nav {
    display: flex;
  }

  .site-header.nav-open .nav-toggle span:first-child {
    transform: translateY(8px) rotate(45deg);
  }

  .site-header.nav-open .nav-toggle span:last-child {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero-orbit {
    min-height: 520px;
    padding: 18px;
  }

  .animated-mark {
    width: 132%;
  }

  .status-card {
    position: relative;
    left: auto;
    right: auto;
    top: auto;
    bottom: auto;
    margin-top: 14px;
    width: 100%;
  }

  .deployment-grid,
  .proof-strip,
  .hero-points {
    grid-template-columns: 1fr;
  }

  .cta-panel {
    align-items: start;
  }
}

@media (max-width: 560px) {
  .hero h1 {
    max-width: 100%;
    font-size: 2.8rem;
  }

  .section-heading h2,
  .cta-panel h2 {
    font-size: 2rem;
  }

  .hero-orbit {
    min-height: 460px;
  }

  .service-card,
  .deployment-card,
  .cta-panel,
  .section-split .split-panel {
    padding: 22px;
  }
}