.site-header {
  position: sticky;
  top: 14px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 28px), var(--content-max));
  min-height: 72px;
  margin: 14px auto 0;
  padding: 10px 12px 10px 18px;
  border: 1px solid rgba(128, 169, 255, 0.22);
  border-radius: 22px;
  background: rgba(5, 13, 25, 0.76);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(22px) saturate(125%);
}

.site-brand {
  display: inline-flex;
  gap: 11px;
  align-items: center;
  color: var(--color-text);
  font-size: 1.03rem;
  font-weight: 780;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.site-brand:hover {
  color: var(--color-text);
}

.site-brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 0 15px rgba(42, 178, 255, 0.35));
}

.primary-navigation {
  display: flex;
  gap: 3px;
  align-items: center;
}

.primary-navigation a {
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--color-text-soft);
  font-size: 0.85rem;
  font-weight: 680;
  text-decoration: none;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.primary-navigation a:hover,
.primary-navigation a[aria-current="page"] {
  background: rgba(126, 163, 230, 0.1);
  color: var(--color-text);
}

.primary-navigation .nav-status {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-left: 5px;
  padding-inline: 14px;
  border: 1px solid rgba(75, 225, 173, 0.3);
  background: rgba(75, 225, 173, 0.07);
  color: #b8f7df;
}

.nav-status::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 13px currentColor;
  content: "";
  animation: nav-signal-pulse 2.8s ease-in-out infinite;
}

@keyframes nav-signal-pulse {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(0.78);
  }

  50% {
    opacity: 1;
    transform: scale(1.18);
  }
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--color-line);
  border-radius: 13px;
  background: rgba(111, 148, 222, 0.08);
  color: var(--color-text);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 5px auto;
  background: currentColor;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-main,
.site-footer {
  width: min(100%, var(--content-max));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(500px, 1.1fr);
  gap: clamp(46px, 6vw, 92px);
  align-items: center;
  min-height: min(840px, calc(100svh - 86px));
  padding-block: clamp(72px, 8vw, 128px) clamp(70px, 8vw, 116px);
}

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.48fr);
  gap: clamp(32px, 6vw, 92px);
  align-items: end;
  padding-block: clamp(80px, 9vw, 138px) clamp(58px, 7vw, 94px);
  border-bottom: 1px solid rgba(122, 163, 240, 0.12);
}

.page-hero-copy {
  max-width: 940px;
}

.page-hero-copy h1 {
  margin-bottom: 22px;
  font-size: clamp(3rem, 5.8vw, 5.75rem);
}

.page-hero-aside {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  max-width: 490px;
  padding-left: 22px;
  border-left: 2px solid var(--color-cyan);
  color: var(--color-text-muted);
}

.page-hero-aside::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -2px;
  width: 2px;
  background: linear-gradient(180deg, transparent 0%, rgba(196, 248, 255, 0.95) 45%, var(--color-cyan) 55%, transparent 100%);
  box-shadow: 0 0 14px rgba(57, 216, 255, 0.78);
  content: "";
  opacity: 0;
  transform: translate3d(0, -145%, 0);
  animation: hero-rail-scan 5.6s ease-in-out infinite;
}

@keyframes hero-rail-scan {
  0%,
  20% {
    opacity: 0;
    transform: translate3d(0, -145%, 0);
  }

  34%,
  66% {
    opacity: 1;
  }

  80%,
  100% {
    opacity: 0;
    transform: translate3d(0, 145%, 0);
  }
}

.section,
.section-pad {
  position: relative;
  padding-block: var(--space-section);
}

.section + .section,
.section-pad + .section-pad {
  border-top: 1px solid rgba(122, 163, 240, 0.1);
}

.section-heading {
  max-width: 800px;
  margin-bottom: clamp(34px, 5vw, 62px);
}

.section-heading > p:last-child,
.page-lead,
.hero-lead {
  max-width: 700px;
  color: var(--color-text-soft);
  font-size: clamp(1.02rem, 1.5vw, 1.2rem);
  line-height: 1.72;
}

.split-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(38px, 7vw, 100px);
  align-items: center;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) repeat(4, minmax(130px, 0.34fr));
  gap: 30px;
  padding-block: 52px 34px;
  border-top: 1px solid var(--color-line);
}

.footer-intro p {
  max-width: 320px;
  margin: 14px 0 0;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.footer-group {
  display: grid;
  align-content: start;
  gap: 8px;
}

.footer-group strong {
  margin-bottom: 3px;
  color: var(--color-text-soft);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-group a {
  width: fit-content;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  font-weight: 650;
  text-decoration-color: transparent;
}

.footer-group a:hover {
  color: var(--color-text);
  text-decoration-color: var(--color-cyan);
}

.copyright {
  grid-column: 1 / -1;
  margin: 10px 0 0;
  padding-top: 25px;
  border-top: 1px solid rgba(133, 172, 255, 0.12);
  color: #687d9c;
  font-size: 0.72rem;
}

@media (max-width: 1120px) {
  .nav-toggle {
    display: block;
  }

  .nav-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3.25px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3.25px) rotate(-45deg);
  }

  .primary-navigation {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: 0;
    display: grid;
    max-height: 0;
    overflow: hidden;
    padding: 0 10px;
    border: 1px solid transparent;
    border-radius: 18px;
    background: rgba(5, 13, 25, 0.98);
    opacity: 0;
    visibility: hidden;
    transition: max-height 220ms ease, padding 220ms ease, opacity 180ms ease, visibility 180ms ease, border-color 180ms ease;
  }

  .primary-navigation.is-open {
    max-height: min(76vh, 560px);
    overflow-y: auto;
    padding: 10px;
    border-color: var(--color-line);
    opacity: 1;
    visibility: visible;
  }

  .primary-navigation a {
    padding: 13px 14px;
  }

  .primary-navigation .nav-status {
    margin: 4px 0 0;
  }

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

  .hero {
    min-height: auto;
  }

  .page-hero-aside {
    max-width: 720px;
  }

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

  .footer-intro {
    grid-column: 1 / -1;
  }
}

@media (max-width: 700px) {
  .site-header {
    top: 8px;
    width: calc(100% - 16px);
    margin-top: 8px;
    border-radius: 17px;
  }

  .hero {
    padding-top: 70px;
  }

  .site-footer {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 20px;
  }
}

@media (max-width: 440px) {
  .site-footer {
    grid-template-columns: 1fr;
  }

  .footer-intro,
  .copyright {
    grid-column: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-status::before,
  .page-hero-aside::before {
    animation: none;
  }

  .page-hero-aside::before {
    display: none;
  }
}

@media (forced-colors: active) {
  .nav-status::before {
    animation: none;
  }

  .page-hero-aside::before {
    display: none;
  }
}