/* Sixes Carpentry mobile navigation and second-fix evidence refinements */
.second-fix-gallery {
  background: #f6f2e9;
}

.second-fix-gallery .section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.second-fix-gallery .section-heading h2 {
  margin: .35rem 0 .8rem;
  color: var(--navy);
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.06;
}

.second-fix-gallery .section-heading p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.second-fix-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.second-fix-gallery-grid figure {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  background: #fff;
}

.second-fix-gallery-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--navy);
}

.second-fix-gallery-grid figcaption {
  padding: 16px 17px 18px;
  color: var(--navy);
}

.second-fix-gallery-grid strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-serif);
  font-size: 1.18rem;
  line-height: 1.2;
}

.second-fix-gallery-grid span {
  display: block;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.55;
}

.mobile-menu .new-build-mobile-group {
  border-bottom: 1px solid var(--line);
}

.mobile-menu .new-build-mobile-summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 28px 15px 0;
  color: var(--navy);
  cursor: pointer;
  font-size: 1.05rem;
  list-style: none;
}

.mobile-menu .new-build-mobile-summary::-webkit-details-marker {
  display: none;
}

.mobile-menu .new-build-mobile-summary::after {
  position: absolute;
  right: 3px;
  color: var(--gold);
  content: "+";
  font-size: 1.35rem;
  line-height: 1;
}

.mobile-menu .new-build-mobile-group[open] > .new-build-mobile-summary::after {
  content: "−";
}

.mobile-menu .new-build-mobile-submenu {
  padding: 2px 0 11px 16px;
  border-top: 1px solid rgba(15, 31, 51, .12);
}

.mobile-menu nav .new-build-mobile-submenu a {
  padding: 9px 0;
  border-bottom: 0;
  color: var(--navy);
  font-size: .92rem;
  font-weight: 700;
}

.mobile-menu nav .new-build-mobile-submenu a::before {
  margin-right: 8px;
  color: var(--gold);
  content: "—";
}

.mobile-service-label,
.mobile-service-link {
  display: none;
}

@media (max-width: 900px) {
  .second-fix-gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mobile-service-label {
    display: block;
    padding: 13px 0 5px;
    color: #cf9959;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
  }

  .nav a.mobile-service-link {
    display: block;
    padding: 9px 0 9px 15px;
    color: #dce5ee;
    font-size: 15px;
  }

  .nav a.mobile-service-link::before {
    margin-right: 8px;
    color: #cf9959;
    content: "—";
  }
}

@media (max-width: 640px) {
  .site-header .header-row {
    min-height: 74px;
    padding-top: 6px;
    padding-bottom: 6px;
  }

  .site-header .brand-logo {
    width: 138px;
    height: 58px;
  }

  .site-header .menu-button {
    min-height: 44px;
    padding: 10px 13px;
  }

  .page-hero {
    padding-top: 46px;
    padding-bottom: 36px;
  }

  .page-hero h1 {
    font-size: clamp(2.2rem, 11vw, 3.25rem);
    line-height: 1.02;
  }

  .cluster-feature-image,
  .detail-feature-image {
    height: auto;
    min-height: 0;
  }

  .cluster-feature-image img,
  .detail-feature-image img {
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
  }

  .second-fix-gallery-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .second-fix-gallery-grid figcaption {
    padding: 14px 15px 17px;
  }

  .mobile-menu {
    width: min(88vw, 360px) !important;
    overflow-y: auto;
  }

  .mobile-menu nav {
    margin-top: 12px;
    padding-bottom: 24px;
  }

  .mobile-menu nav a,
  .mobile-menu nav span {
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .header-inner {
    min-height: 72px;
  }

  .header-inner .brand {
    width: 150px;
  }

  .header-inner + .nav,
  .site-header .header-inner .nav {
    top: 72px;
  }

  .menu-btn {
    min-height: 44px;
    padding: 9px 13px;
  }

  .article-shell .case-study-sequence {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .project-progress img,
  .project-progress figure.portrait img {
    width: 100%;
    height: auto;
    aspect-ratio: auto;
    object-fit: contain;
    background: #0b1629;
  }
}