:root {
  --motion-duration: 700ms;
  --motion-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-toggle,
.nav-mobile-overlay {
  display: none;
}

body {
  overflow-x: hidden;
}

body.is-ready .reveal-on-scroll {
  opacity: 0;
  transform: translate3d(0, 34px, 0) scale(0.985);
  transition:
    opacity var(--motion-duration) var(--motion-ease),
    transform var(--motion-duration) var(--motion-ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

body.is-ready .reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

body.is-ready .reveal-soft {
  transform: translate3d(0, 24px, 0) scale(0.995);
}

body.is-ready .reveal-left {
  transform: translate3d(-40px, 0, 0) scale(0.99);
}

body.is-ready .reveal-right {
  transform: translate3d(40px, 0, 0) scale(0.99);
}

.parallax-surface {
  will-change: transform;
  transform: translate3d(0, 0, 0) scale(1.02);
  transition: transform 180ms linear;
}

.hover-lift,
.photo-card,
.cert-card,
.service-image,
.portfolio-card,
.partner,
.job,
.map,
.accordion-item,
.portfolio-button,
button,
.doc-icon {
  transition:
    box-shadow 260ms var(--motion-ease),
    background-color 260ms var(--motion-ease),
    border-color 260ms var(--motion-ease),
    color 260ms var(--motion-ease),
    opacity 260ms var(--motion-ease);
}

.portfolio-card::after {
  transition: transform 320ms var(--motion-ease), opacity 320ms var(--motion-ease);
}

.portfolio-pill {
  transition: transform 240ms var(--motion-ease), background-color 240ms var(--motion-ease);
}

.portfolio-button:hover,
button:hover {
  box-shadow: 0 18px 34px rgba(18, 24, 56, 0.22);
}

.accordion-trigger:hover {
  box-shadow: none;
}

.doc-icon svg {
  transition: transform 220ms var(--motion-ease);
}

.nav a,
.nav-links a,
.footer-nav a,
.footer-bottom a,
.footer a {
  position: relative;
  transition: color 220ms var(--motion-ease), opacity 220ms var(--motion-ease);
}

.roll-link {
  display: inline-block;
  vertical-align: top;
}

.roll-link .link-roll-viewport {
  display: block;
  overflow: hidden;
  height: 1.25em;
}

.roll-link .link-roll-track {
  display: flex;
  flex-direction: column;
  transform: translateY(0);
  transition: transform 320ms var(--motion-ease);
  will-change: transform;
}

.roll-link .link-roll-text {
  display: flex;
  align-items: center;
  min-height: 1.25em;
  white-space: nowrap;
}

.roll-link:hover .link-roll-track,
.roll-link:focus-visible .link-roll-track {
  transform: translateY(-50%);
}

@media (max-width: 900px) {
  body.nav-menu-open {
    overflow: hidden;
  }

  .nav {
    position: relative;
    z-index: 70 !important;
    grid-template-columns: 1fr auto 1fr !important;
    justify-items: stretch !important;
  }

  .nav .brand {
    grid-column: 2;
    justify-self: center !important;
  }

  .nav .nav-links,
  .nav .nav-cta,
  .nav > a[href$="contact.html"]:not(.brand) {
    display: none !important;
  }

  .nav-toggle {
    display: inline-flex !important;
    grid-column: 3;
    justify-self: end;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    background: transparent;
    color: #fff;
    cursor: pointer;
    position: relative;
    z-index: 80;
    box-shadow: none !important;
  }

  .nav-toggle-bars {
    position: relative;
    width: 24px;
    height: 18px;
  }

  .nav-toggle-line {
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: currentColor;
    transition: transform 260ms var(--motion-ease), opacity 220ms var(--motion-ease);
  }

  .nav-toggle-line:nth-child(1) { top: 0; }
  .nav-toggle-line:nth-child(2) { top: 8px; }
  .nav-toggle-line:nth-child(3) { top: 16px; }

  .nav.is-mobile-open .nav-toggle-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav.is-mobile-open .nav-toggle-line:nth-child(2) {
    opacity: 0;
  }

  .nav.is-mobile-open .nav-toggle-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .nav-mobile-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #161a4a;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 260ms var(--motion-ease), visibility 260ms var(--motion-ease);
    z-index: 60;
    padding: 96px 24px 40px;
  }

  .nav.is-mobile-open .nav-mobile-overlay {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-mobile-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
    width: 100%;
  }

  .nav-mobile-link {
    color: #fff;
    font-size: clamp(1.6rem, 5vw, 2.35rem);
    line-height: 1.1;
    text-align: center;
  }
}

.accordion-body .doc-item {
  opacity: 0;
  transform: translateY(16px);
  animation: docRise 520ms var(--motion-ease) forwards;
  animation-delay: calc(var(--doc-index, 0) * 28ms);
}

@keyframes docRise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}