/* header / mega menu, shared with the homepage */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 12px clamp(16px, 2.4vw, 40px);
  pointer-events: none;
}
.nav {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
  gap: clamp(18px, 2.2vw, 40px);
  align-items: center;
  width: min(1580px, 100%);
  min-height: 72px;
  margin: 0 auto;
  padding: 9px 12px 9px 14px;
  border: 1px solid rgba(216, 227, 239, 0.18);
  border-radius: 12px;
  background: rgba(2, 8, 23, 0.78);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(22px) saturate(1.2);
  pointer-events: auto;
}
.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  justify-self: start;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.82rem, 0.9vw, 0.98rem);
  font-weight: 400;
  letter-spacing: 0;
  white-space: nowrap;
  transition: opacity 180ms ease;
}
.brand:hover,
.brand:focus-visible {
  opacity: 0.82;
}
.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}
.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(22px, 2.7vw, 54px);
  color: #dbeafe;
  font-family: var(--font-mono);
  font-size: clamp(0.82rem, 0.9vw, 0.98rem);
  white-space: nowrap;
}
.nav-item {
  position: relative;
  padding: 10px 0;
}
.nav-item:hover,
.nav-item:focus-within {
  z-index: 40;
}
.nav-item::after {
  position: absolute;
  top: 100%;
  left: 50%;
  width: 100%;
  height: 26px;
  content: "";
  transform: translateX(-50%);
}
.nav-item > a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  line-height: 1;
  transition: color 180ms ease;
}
.nav-links > a,
.nav-item > a {
  transition: color 180ms ease;
}
.nav-links > a:hover,
.nav-links > a:focus-visible,
.nav-item:hover > a,
.nav-item:focus-within > a {
  color: #8bd9ff;
}
.nav-item > a::after {
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  color: #8bb5d8;
  content: "";
  margin-top: -5px;
  transform: rotate(45deg);
  transform-origin: center;
}
.mega {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
  width: min(700px, calc(100vw - 72px));
  padding: 32px;
  border: 1px solid rgba(216, 227, 239, 0.13);
  border-radius: 12px;
  background: #020817;
  box-shadow: 0 34px 100px rgba(0, 0, 0, 0.46);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 10px);
  transition: opacity 160ms ease, transform 160ms ease;
}
.mega--services {
  width: min(660px, calc(100vw - 72px));
}
.mega--capabilities {
  width: min(700px, calc(100vw - 72px));
}
.nav-item:hover .mega,
.nav-item:focus-within .mega,
.nav-item.is-open .mega {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}
.nav-links.has-active .nav-item:not(.is-open) .mega {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 10px);
}
.nav-item.is-open {
  z-index: 50;
}
.mega-col {
  display: grid;
  gap: 17px;
  align-content: start;
  min-width: 0;
}
.mega-col::before {
  display: block;
  height: 1px;
  margin-bottom: 8px;
  background: rgba(148, 163, 184, 0.22);
  content: "";
}
.mega strong {
  display: block;
  margin-bottom: 8px;
  color: #cfe9ff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.mega-link {
  display: block;
  min-width: 0;
  padding: 0;
}
.mega-icon {
  display: none;
}
.mega-link b {
  display: block;
  margin-bottom: 4px;
  color: #8bd9ff;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 520;
  line-height: 1.25;
  letter-spacing: -0.015em;
  transition: color 180ms ease;
}
.mega-link:hover b,
.mega-link:focus-visible b {
  color: #e0f6ff;
}
.mega-link span span {
  display: block;
  max-width: 265px;
  color: #8899ad;
  font-family: var(--font-body);
  font-size: 0.86rem;
  line-height: 1.42;
  white-space: normal;
}
.actions {
  display: flex;
  gap: 12px;
  justify-self: end;
}
.menu {
  position: relative;
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(216, 227, 239, 0.25);
  border-radius: 8px;
  background: transparent;
  transition: border-color 180ms ease, background 180ms ease;
}
.menu:hover,
.menu:focus-visible {
  border-color: rgba(56, 189, 248, 0.58);
  background: rgba(56, 189, 248, 0.08);
}
.menu span {
  position: absolute;
  left: 50%;
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transform: translateX(-50%);
  transition: opacity 180ms ease, transform 180ms ease, top 180ms ease;
}
.menu span:nth-child(1) {
  top: 14px;
}
.menu span:nth-child(2) {
  top: 22px;
}
.menu span:nth-child(3) {
  top: 30px;
}
@media (min-width: 1900px) {
  .nav {
    width: min(1680px, calc(100% - 48px));
  }
}
@media (min-width: 2300px) {
  .nav {
    width: min(1780px, calc(100% - 64px));
  }
}
@media (max-width: 1220px) {
  .nav {
    grid-template-columns: auto auto;
  }
  .nav-links,
  .actions {
    display: none;
  }
  .mega {
    display: none;
  }
  .menu {
    display: block;
    margin-left: auto;
  }
  body.menu-open {
    overflow: hidden;
  }
  body.menu-open .site-header {
    position: fixed;
    inset: 0;
    z-index: 100;
    padding: clamp(14px, 3vw, 24px);
    background: #020817;
    pointer-events: auto;
    overflow-y: auto;
  }
  body.menu-open .nav {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto 1fr auto;
    align-content: start;
    width: 100%;
    min-height: calc(100vh - clamp(28px, 6vw, 48px));
    padding: clamp(14px, 2.8vw, 22px);
    border-radius: 10px;
    background: rgba(2, 8, 23, 0.92);
  }
  body.menu-open .menu span:nth-child(1) {
    top: 22px;
    transform: translateX(-50%) rotate(45deg);
  }
  body.menu-open .menu span:nth-child(2) {
    opacity: 0;
  }
  body.menu-open .menu span:nth-child(3) {
    top: 22px;
    transform: translateX(-50%) rotate(-45deg);
  }
  body.menu-open .nav-links {
    display: flex;
    grid-column: 1 / -1;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    margin-top: clamp(42px, 7vw, 76px);
    color: #cfe9ff;
    font-size: clamp(1.8rem, 5vw, 2.35rem);
  }
  body.menu-open .nav-item {
    padding: 0;
    width: 100%;
  }
  body.menu-open .nav-links > a,
  body.menu-open .nav-item > a {
    display: flex;
    justify-content: space-between;
    width: 100%;
    padding: clamp(13px, 2.8vw, 20px) 0;
    line-height: 1;
  }
  body.menu-open .nav-item::after,
  body.menu-open .mega {
    display: none;
  }
  body.menu-open .actions {
    display: flex;
    grid-column: 1 / -1;
    align-self: end;
    justify-self: stretch;
    width: 100%;
    margin-top: clamp(80px, 22vh, 220px);
  }
  body.menu-open .actions .btn {
    width: 100%;
    min-height: 72px;
    font-size: clamp(1.1rem, 4vw, 1.35rem);
  }
}
@media (max-width: 700px) {
  .site-header {
    padding: 10px 12px;
  }
  .nav {
    min-height: 62px;
    padding: 8px 10px;
  }
  .brand img {
    width: 40px;
    height: 40px;
  }
  .brand span {
    display: inline;
    max-width: 176px;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}
@media (max-width: 520px) {
  .nav {
    border-radius: 10px;
  }
}

/* mobile menu: list every service link (previously hidden) */
@media (max-width: 1220px) {
  body.menu-open .brand { grid-row: 1; grid-column: 1; }
  body.menu-open .menu { grid-row: 1; grid-column: 2; }
  body.menu-open .nav-links { grid-row: 2; }
  body.menu-open .actions { grid-row: 3; }
  body.menu-open .nav-item { display: block; }
  body.menu-open .mega {
    position: static; display: grid; grid-template-columns: 1fr; gap: 0; width: 100%;
    padding: 0 0 8px 14px; border: 0; background: transparent; box-shadow: none;
    opacity: 1; pointer-events: auto; transform: none;
  }
  body.menu-open .mega-col { gap: 0; }
  body.menu-open .mega-col::before, body.menu-open .mega strong, body.menu-open .mega-link span span { display: none; }
  body.menu-open .mega-link b { margin: 0; padding: 9px 0; font-size: 1.05rem; }
  body.menu-open .nav-links { margin-top: clamp(24px, 5vw, 48px); font-size: clamp(1.4rem, 4.2vw, 1.9rem); }
  body.menu-open .nav-links.has-active .nav-item:not(.is-open) .mega { opacity: 1; pointer-events: auto; transform: none; }
}