@media (max-width: 1180px) {
  .case-section {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .case-metric {
    display: grid;
    grid-template-columns: auto auto auto;
    gap: 18px;
    min-height: 0;
    padding: 48px 24px;
    font-size: clamp(2.8rem, 8vw, 4.6rem);
  }
  .case-metric i {
    margin: 0;
  }
  .case-metric small {
    grid-column: 1/-1;
    margin-top: 0;
    text-align: center;
  }
}
@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }
  .site-header nav {
    display: none;
  }
  .hero {
    gap: 30px;
    padding-top: 42px;
  }
  .pain-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .about-section {
    grid-template-columns: 1fr;
  }
  .fit-section,
  .faq-section,
  .contact-section {
    grid-template-columns: 1fr;
  }
  .contact-intro {
    position: static;
  }
  .about-image {
    max-height: 650px;
  }
  .about-image img {
    aspect-ratio: 16/12;
    object-position: center 35%;
  }
}
@media (max-width: 640px) {
  main > section {
    scroll-margin-top: 66px;
  }
  h1 {
    font-size: clamp(3rem, 15vw, 4.6rem);
  }
  h2 {
    font-size: 2.45rem;
  }
  .site-header {
    min-height: 66px;
    padding: 0 18px;
  }
  .brand {
    width: 145px;
  }
  .header-actions {
    gap: 8px;
  }
  .button-small {
    display: none;
  }
  .hero {
    padding: 18px 18px 34px;
  }
  .hero-tension {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 0;
    padding: 14px 15px;
  }
  .hero-tension strong {
    font-size: 0.78rem;
  }
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
    margin: 16px 0 0;
  }
  .hero-actions .button {
    width: 100%;
    text-align: center;
  }
  .text-link {
    text-align: center;
    border: 0;
  }
  .proof-strip {
    align-items: flex-start;
    flex-direction: column;
    gap: 9px;
  }
  .pain-section,
  .system-section,
  .about-section,
  .fit-section,
  .faq-section,
  .contact-section {
    padding-right: 20px;
    padding-left: 20px;
  }
  .hero-copy h1 {
    font-size: clamp(2.9rem, 13vw, 4rem);
  }
  .vsl-callout {
    align-items: flex-start;
    margin: 0 0 14px;
    padding: 13px 14px;
  }
  .pain-grid {
    margin-top: 28px;
  }
  .pain-grid article {
    min-height: 0;
    padding: 22px;
  }
  .pain-grid h3 {
    margin-top: 20px;
  }
  .system-layout {
    margin-top: 40px;
  }
  .video-card {
    padding: 9px;
    border-radius: 18px;
  }
  .case-metric {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    gap: 8px;
    padding: 52px 14px;
    font-size: clamp(2rem, 10vw, 3rem);
  }
  .case-metric span {
    text-align: right;
  }
  .case-metric strong {
    text-align: left;
  }
  .case-metric small {
    font-size: 0.68rem;
  }
  .case-copy {
    padding: 60px 20px;
  }
  .case-copy h2 {
    overflow-wrap: anywhere;
  }
  .about-section {
    gap: 40px;
  }
  .about-image img {
    aspect-ratio: 4/5;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .contact-form {
    padding: 22px 18px;
  }
  .contact-form .button {
    width: 100%;
  }
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
  .lang-switch {
    padding: 8px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .button {
    transition: none;
  }
}