@media (min-width: 761px) and (max-width: 950px) {
  .hero h1 { font-size: clamp(58px, 7.5vw, 76px); }
}

@media (max-width: 760px) {
  .impact-viewport {
    height: clamp(370px, 65vw, 440px);
  }

  .impact-slide {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
    gap: 16px;
    align-items: start;
    padding: 18px 0 12px;
  }

  .impact-slide h2 {
    max-width: 100%;
    font-size: clamp(42px, 6.8vw, 58px);
    overflow-wrap: anywhere;
  }

  .impact-art {
    width: min(100%, 430px);
    margin: auto 0 0 auto;
  }

  .nav {
    height: 54px;
    padding-inline: 20px;
  }

  .nav-top {
    height: 54px;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  }

  .nav-toggle { display: inline-flex; }
  .navlinks { display: none; }
  .nav .logo { font-size: 24px; }
  .nav-action {
    height: 30px;
    min-width: 34px;
    padding: 0 7px;
    justify-content: center;
  }
  .nav-action span:first-child { display: none; }
  .nav-action span:last-child { font-size: 22px; }
  .nav-menu {
    top: 54px;
    width: min(320px, calc(100vw - 40px));
  }

  .hero .hero-copy {
    width: 100%;
    padding: clamp(80px, 12svh, 120px) 24px 96px;
  }
  .hero h1 {
    max-width: 100%;
    margin-bottom: 24px;
    font-size: clamp(42px, 9vw, 58px);
    line-height: .96;
    letter-spacing: -.07em;
  }
  .hero-copy p {
    max-width: 30ch;
    font-size: clamp(16px, 3.4vw, 19px);
    line-height: 1.28;
    letter-spacing: -.025em;
  }
  .hero-logo-strip { inset-inline: 16px; }
  .impact-context { max-width: 32ch; }
}

@media (max-width: 380px) {
  .impact-carousel { padding-inline: 18px; }
  .impact-context { font-size: clamp(22px, 6vw, 24px); }
  .impact-viewport { height: clamp(320px, 100vw, 380px); }
  .impact-slide h2 { font-size: clamp(34px, 10.5vw, 40px); }
  .impact-status { gap: 12px; }
  .impact-arrows { gap: 6px; }
  .impact-arrows button { width: 34px; height: 34px; }
  .closing h2 { font-size: clamp(50px, 13vw, 64px); overflow-wrap: anywhere; }
  .observe .observe-intro h2 { font-size: clamp(44px, 11vw, 58px); overflow-wrap: anywhere; }

  .nav { padding-inline: 16px; }
  .hero .hero-copy { padding-inline: 20px; }
  .hero h1 { font-size: clamp(37px, 10vw, 42px); }
}

@media (max-width: 280px) {
  .nav-toggle > span:last-child { display: none; }
  .nav .logo { font-size: 21px; }
  .impact-controls { flex-wrap: wrap; gap: 10px; }
  .impact-arrows { margin-left: auto; }
}