:root {
  --signal-black: #02060c;
  --signal-deep: #012861;
  --signal-blue: #0982eb;
  --signal-ice: #acdcf9;
  --signal-white: #f4f7fa;
  --signal-muted: rgba(244, 247, 250, 0.62);
  --signal-border: rgba(172, 220, 249, 0.18);
}

.site-shell {
  min-height: 100svh;
  overflow-x: hidden;
  color: var(--signal-white);
  background:
    radial-gradient(circle at 50% 18rem, rgba(1, 40, 97, 0.2), transparent 34rem),
    var(--signal-black);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
}

.site-shell .page {
  min-height: 100svh;
  background: transparent;
}

.site-shell main {
  min-height: calc(100svh - 126px);
}

.site-shell .section {
  width: min(1440px, 100%);
  margin-right: auto;
  margin-left: auto;
  padding-right: clamp(22px, 4vw, 64px);
  padding-left: clamp(22px, 4vw, 64px);
}

.site-shell .hero-title,
.site-shell .section-title {
  color: var(--signal-white);
  font-family: inherit;
}

.site-shell .hero-title span,
.site-shell .text-link,
.site-shell .destination-link {
  color: var(--signal-ice);
}

.site-shell .btn-primary {
  border: 1px solid rgba(172, 220, 249, 0.24);
  background: linear-gradient(135deg, #075fc2, var(--signal-blue));
  color: var(--signal-white);
  box-shadow: 0 12px 34px rgba(9, 130, 235, 0.22);
}

.site-shell .btn-primary:hover,
.site-shell .btn-primary:focus-visible {
  box-shadow: 0 15px 42px rgba(9, 130, 235, 0.34);
}

.site-shell .product-destination,
.site-shell .project-destination {
  border-color: var(--signal-border);
  background: linear-gradient(180deg, rgba(5, 13, 24, 0.9), rgba(2, 7, 13, 0.88));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.site-shell .splash-header {
  position: relative;
  z-index: 100;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  width: min(1680px, 100%);
  min-height: 78px;
  margin: 0 auto;
  padding: 16px clamp(22px, 4vw, 64px);
  border: 0;
  border-bottom: 1px solid rgba(172, 220, 249, 0.08);
  background: linear-gradient(180deg, rgba(2, 6, 12, 0.98), rgba(2, 6, 12, 0.72));
  box-shadow: none;
}

.site-shell .wordmark {
  justify-self: start;
  color: rgba(244, 247, 250, 0.78);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.34em;
  text-decoration: none;
  white-space: nowrap;
}

.site-shell .splash-menu { display: none; }

.site-shell .splash-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 2.2vw, 34px);
}

.site-shell .splash-nav > a,
.site-shell .nav-submenu > summary {
  position: relative;
  min-height: 0;
  padding: 9px 0;
  color: var(--signal-muted);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  line-height: normal;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color 180ms ease;
}

.site-shell .splash-nav > a:hover,
.site-shell .splash-nav > a:focus-visible,
.site-shell .nav-submenu > summary:hover,
.site-shell .nav-submenu > summary:focus-visible { color: var(--signal-white); }

.site-shell .nav-submenu { position: relative; }

.site-shell .nav-submenu > summary {
  cursor: pointer;
  list-style: none;
}

.site-shell .nav-submenu > summary::-webkit-details-marker,
.site-shell .splash-menu > summary::-webkit-details-marker { display: none; }

.site-shell .nav-submenu > summary::after {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-left: 7px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  content: "";
  transform: translateY(-2px) rotate(45deg);
}

.site-shell .nav-submenu-links {
  position: absolute;
  top: calc(100% + 9px);
  left: 50%;
  display: grid;
  min-width: 190px;
  padding: 8px;
  transform: translateX(-50%);
  border: 1px solid var(--signal-border);
  border-radius: 10px;
  background: rgba(3, 10, 20, 0.96);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(9, 130, 235, 0.08);
  backdrop-filter: blur(20px);
}

.site-shell .nav-submenu-wide .nav-submenu-links { min-width: 260px; }

.site-shell .nav-submenu-links a {
  padding: 9px 11px;
  border-radius: 6px;
  color: var(--signal-muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-shell .nav-submenu-links a:hover,
.site-shell .nav-submenu-links a:focus-visible {
  color: var(--signal-white);
  background: rgba(9, 130, 235, 0.12);
}

.site-shell .header-status {
  width: auto;
  margin: 0;
  padding: 0;
  justify-self: end;
  border: 0;
}

.site-shell .account-identity { display: none; }

.site-shell .account-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: nowrap;
}

.site-shell .account-link {
  color: rgba(244, 247, 250, 0.52);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-shell .account-link:hover,
.site-shell .account-link:focus-visible { color: var(--signal-ice); }
.site-shell .account-link--primary { color: rgba(244, 247, 250, 0.78); }

.site-shell .splash-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(1440px, 100%);
  min-height: 48px;
  margin: 0 auto;
  padding: 10px clamp(22px, 4vw, 64px);
  color: rgba(244, 247, 250, 0.32);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-shell .splash-footer nav { display: flex; gap: 20px; }
.site-shell .splash-footer a { color: inherit; text-decoration: none; }
.site-shell .splash-footer a:hover,
.site-shell .splash-footer a:focus-visible { color: var(--signal-ice); }

@media (max-width: 1500px) {
  .site-shell .splash-header {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 12px;
    padding-inline: 16px;
  }

  .site-shell .splash-nav-desktop { justify-self: end; }
  .site-shell .header-status {
    grid-column: 1 / -1;
    justify-self: end;
  }

  .site-shell .wordmark {
    font-size: 0.7rem;
    letter-spacing: 0.26em;
  }

  .site-shell .splash-nav { gap: 12px; }
  .site-shell .splash-nav > a,
  .site-shell .nav-submenu > summary {
    font-size: 0.64rem;
    letter-spacing: 0.08em;
  }

  .site-shell .account-link {
    font-size: 0.62rem;
    letter-spacing: 0.05em;
  }
}

@media (max-width: 860px) {
  .site-shell .splash-header {
    grid-template-columns: 1fr auto;
    min-height: 68px;
  }

  .site-shell .splash-menu {
    position: relative;
    display: block;
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .site-shell .splash-menu > summary {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 11px;
    border: 1px solid var(--signal-border);
    border-radius: 8px;
    color: var(--signal-muted);
    cursor: pointer;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    list-style: none;
    text-transform: uppercase;
  }

  .site-shell .splash-menu > summary svg {
    width: 17px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-width: 1.5;
  }

  .site-shell .splash-menu .splash-nav {
    position: absolute;
    top: calc(100% + 9px);
    right: 0;
    display: none;
    align-items: stretch;
    width: min(280px, calc(100vw - 32px));
    padding: 10px;
    border: 1px solid var(--signal-border);
    border-radius: 12px;
    background: rgba(3, 10, 20, 0.98);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  }

  .site-shell .splash-menu[open] > .splash-nav { display: grid; }
  .site-shell .splash-nav-desktop { display: none; }

  .site-shell .splash-menu .splash-nav > a,
  .site-shell .splash-menu .nav-submenu > summary {
    padding: 11px 12px;
    font-size: 0.72rem;
  }

  .site-shell .splash-menu .nav-submenu-links {
    position: static;
    min-width: 0;
    margin: 0 10px 8px;
    transform: none;
    box-shadow: none;
  }

  .site-shell .header-status {
    grid-column: 1 / -1;
    justify-self: stretch;
    padding-top: 10px;
    border-top: 1px solid rgba(172, 220, 249, 0.08);
  }

  .site-shell .account-links {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}

@media (max-width: 560px) {
  .site-shell {
    background:
      radial-gradient(circle at 50% 18rem, rgba(1, 40, 97, 0.32), transparent 22rem),
      var(--signal-black);
  }

  .site-shell .splash-header { padding-inline: 18px; }

  .site-shell .wordmark {
    font-size: 0.66rem;
    letter-spacing: 0.25em;
  }

  .site-shell .account-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 14px;
  }

  .site-shell .account-link:only-child { grid-column: 1 / -1; }

  .site-shell .splash-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 18px 22px;
  }
}

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