@media (max-width: 900px) {
  .hamburger {
    display: block
  }

  .main-nav {
    position: fixed;
    inset: 54px 0 0 0;
    background: #fff;
    border-bottom: 1px solid #e6eeea;
    padding: 18px 22px;
    display: grid;
    gap: 10px;
    transform: translateY(-140%);
    transition: transform .28s ease;
    min-height: calc(100dvh - 54px);
    overflow-y: auto;
    box-shadow: 0 14px 28px rgba(0, 0, 0, .12)
  }

  .nav-toggle:checked~.hamburger+.main-nav {
    transform: none
  }

  .btn-small {
    justify-self: start
  }

  .main-nav {
    align-content: start
  }

  .main-nav a:not(.btn) {
    padding: 8px 0;
    line-height: 1.3;
    font-size: 17px
  }

  .main-nav a.btn {
    width: 100%;
    justify-self: stretch
  }

  /* burger → cross animation */
  .hamburger {
    width: 28px;
    height: 22px;
    display: block
  }

  .hamburger span {
    transition: transform .25s ease, opacity .25s ease, background-color .25s ease
  }

  .nav-toggle:checked~.hamburger span {
    background: var(--accent)
  }

  .nav-toggle:checked~.hamburger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg)
  }

  .nav-toggle:checked~.hamburger span:nth-child(2) {
    opacity: 0
  }

  .nav-toggle:checked~.hamburger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg)
  }
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr
  }
}

@media (max-width: 800px) {
  .kpi-grid {
    grid-template-columns: 1fr
  }
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr
  }
}

@media (max-width: 1000px) {
  .card-grid {
    grid-template-columns: 1fr 1fr
  }
}

@media (max-width: 680px) {
  .card-grid {
    grid-template-columns: 1fr
  }
}

@media (max-width: 1000px) {
  .why-grid {
    grid-template-columns: 1fr 1fr
  }
}

@media (max-width: 580px) {
  .why-grid {
    grid-template-columns: 1fr
  }
}

@media (max-width: 880px) {
  .partner-grid {
    grid-template-columns: 1fr
  }

  .partner-media {
    text-align: center
  }
}

@media (max-width: 900px) {
  .leaders-grid {
    grid-template-columns: 1fr
  }
}

@media (max-width: 1024px) {
  .contact-grid {
    gap: 20px
  }
}

@media (max-width: 860px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 18px
  }

  .form-row {
    grid-template-columns: 1fr
  }

  .contact-form {
    padding: 16px
  }

  .contact-form .btn-primary {
    width: 100%
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important
  }
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr
  }

  .footer-grid>* {
    border-left: 0;
    padding-left: 0
  }
}

@media (max-width: 720px) {
  .footer-grid {
    grid-template-columns: 1fr
  }

  .footer-brand p {
    max-width: 100%
  }

  .hero-copy h1 {
    font-size: 29px;

  }

  .hero-copy h1 span {
    display: block;
    min-height: 33px;
  }
}

@media (max-width: 768px) {
  section.page-not-found {
    padding: 140px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
  }
}