@media (max-width: 768px) {

  /* ── Mobile Sticky Header (matches desktop: white bg, lines, divider) ── */
  .site-header__top {
    padding: 10px 20px 5px;
  }

  .site-header__logo {
    font-size: 30px;
    letter-spacing: 0.04em;
  }

  .site-header__logo-line {
    width: 40px;
    flex: none;
  }

  .site-header__nav {
    display: none;
  }

  .site-header__hamburger {
    display: block;
    position: static;
    transform: none;
    width: 38px;
    height: 38px;
    padding: 5px;
    margin: 4px auto 0;
  }

  .site-header__hamburger svg {
    fill: var(--color-mauve);
  }

  /* ── Mobile Slide-Down Nav ── */
  .mobile-nav {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--color-mauve-light);
    z-index: 200;
    flex-direction: column;
    align-items: center;
    padding: 50px 20px 40px;
    gap: 20px;
    transform: translateY(-100%);
    transition: transform 0.35s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }

  .mobile-nav.is-open {
    transform: translateY(0);
  }

  .mobile-nav a {
    font-family: var(--font-accent);
    font-weight: 400;
    font-size: 20px;
    color: var(--color-mauve);
    text-decoration: none;
    transition: color 0.3s ease;
  }

  .mobile-nav__close {
    position: absolute;
    top: 10px;
    right: 16px;
    font-size: 32px;
    line-height: 1;
    color: var(--color-mauve);
    background: none;
    border: none;
    cursor: pointer;
  }

  /* ── Footer ── */
  .site-footer__logo-wrap {
    justify-content: center;
  }

  .site-footer__logo {
    font-size: 42px;
  }

  .site-footer__logo-line {
    width: 40px;
    flex: none;
  }

  .site-footer__nav {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }

  .site-footer__nav a:nth-child(3) {
    margin-right: 0;
  }

  .site-footer__newsletter-form {
    flex-direction: column;
    align-items: center;
  }

  .site-footer__newsletter-form input[type="text"],
  .site-footer__newsletter-form input[type="email"] {
    width: 100%;
    max-width: 280px;
  }
}