/* Chempros Solutions — responsive layer. Loaded after design-system.css. */

html, body { max-width: 100%; overflow-x: hidden; }

/* ===== Header / nav ===== */
.site-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}
.site-nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--color-text);
  position: relative;
}
.site-nav-toggle span::before,
.site-nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.5px;
  background: var(--color-text);
}
.site-nav-toggle span::before { top: -6px; }
.site-nav-toggle span::after { top: 6px; }

.site-nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.site-nav-cta { flex-shrink: 0; white-space: nowrap; }
.site-nav-cta-persistent { display: none; flex-shrink: 0; white-space: nowrap; }

@media (max-width: 860px) {
  .nav > div {
    flex-wrap: wrap !important;
    gap: 8px !important;
  }
  .site-logo {
    height: 30px !important;
  }
  .site-nav-cta-persistent {
    font-size: 13px !important;
    padding: 9px 14px !important;
  }
  .site-nav-toggle { display: inline-flex; }

  .site-nav-links {
    order: 10;
    width: 100%;
    flex-basis: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    max-height: 0;
    overflow: hidden;
    padding: 0;
    margin: 0;
    transition: max-height 0.25s ease, padding 0.25s ease;
  }
  .site-nav-links a:not(.site-nav-cta) {
    padding: 10px 0;
    width: 100%;
    border-bottom: 1px solid var(--color-divider);
  }
  .site-nav-links.is-open {
    max-height: 420px;
    padding: 12px 0 16px;
  }
  .site-nav-links .site-nav-cta {
    display: none;
  }
  /* keep the primary CTA visible in the bar itself on mobile */
  .site-nav-cta-persistent {
    display: inline-flex;
    flex-shrink: 0;
  }
}

/* ===== Media grid (photo + text sections: "The partnership", about intro) ===== */
.media-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 24px 64px;
  align-items: center;
}
.media-grid.media-first .media-grid-figure { order: 1; }
.media-grid.media-first .media-grid-text { order: 2; }
.media-grid .media-grid-figure { order: 2; }
.media-grid .media-grid-text { order: 1; }

@media (max-width: 780px) {
  .media-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  /* text first, photo underneath, on every media-grid instance */
  .media-grid .media-grid-text { order: 1; }
  .media-grid .media-grid-figure { order: 2; }
}

/* ===== General section padding on small screens ===== */
@media (max-width: 640px) {
  h1 { font-size: clamp(28px, 8vw, 40px) !important; }
}

/* ===== Other fixed grids: stack on small screens ===== */
@media (max-width: 400px) {
  .site-logo { height: 26px !important; }
  .site-nav-cta-persistent { font-size: 12px !important; padding: 8px 12px !important; }
  .site-nav-toggle { width: 36px !important; height: 36px !important; }
}
@media (max-width: 780px) {
  .contact-grid { grid-template-columns: 1fr !important; }
}
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr 1fr !important; row-gap: 32px !important; }
  .grid-3-col { grid-template-columns: 1fr !important; }
}
@media (max-width: 420px) {
  .footer-grid { grid-template-columns: 1fr !important; }
}