/* =====================================================
   Branding Realm — Responsive QA overrides
   Breakpoints: 320–1920px
===================================================== */

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Honeypot — hidden from users, visible to bots */
.br-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* Case study enhancements */
.cs-hero-summary {
  font-size: var(--br-text-lg);
  color: var(--br-muted);
  max-width: 540px;
  line-height: var(--br-leading-normal);
}

.cs-gallery-section {
  padding: var(--br-space-16) 0;
  background: var(--br-white);
}

.cs-gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--br-space-4);
  margin-top: var(--br-space-8);
}

.cs-gallery-item {
  margin: 0;
  border-radius: var(--br-radius-lg);
  overflow: hidden;
  box-shadow: var(--br-shadow-sm);
}

.cs-gallery-item--featured {
  grid-column: span 8;
  grid-row: span 2;
}

.cs-gallery-item:not(.cs-gallery-item--featured) {
  grid-column: span 4;
}

.cs-gallery-item img,
.cs-gallery-item picture {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 200px;
}

.cs-section--results {
  background: var(--br-cream);
}

.cs-related-section {
  padding: var(--br-space-16) 0;
}

.cs-related-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--br-border);
  border-radius: var(--br-radius-lg);
  overflow: hidden;
  height: 100%;
  transition: transform var(--br-transition), box-shadow var(--br-transition);
}

.cs-related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--br-shadow-md);
}

.cs-related-body {
  padding: var(--br-space-5);
}

.cs-related-body span {
  font-size: var(--br-text-xs);
  font-weight: 700;
  letter-spacing: var(--br-tracking-wide);
  color: var(--br-primary);
}

.cs-related-body h3 {
  font-size: var(--br-text-lg);
  font-weight: 700;
  margin: var(--br-space-2) 0;
  color: var(--br-navy);
}

.cs-related-body p {
  font-size: var(--br-text-sm);
  color: var(--br-muted);
  margin: 0;
}

.cs-related-img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* Mega menu active item */
.br-mega-item.is-active {
  background: var(--br-cream);
  color: var(--br-primary);
  font-weight: 600;
}

/* Page enter transition */
body {
  animation: br-page-in 0.4s ease-out;
}

@keyframes br-page-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  body {
    animation: none;
  }
}

/* Overflow prevention */
img, video, svg {
  max-width: 100%;
  height: auto;
}

/* 1920px+ */
@media (min-width: 1920px) {
  .br-container,
  .bdx-container,
  .brc-container {
    max-width: var(--br-container-wide);
  }
}

/* 1200px */
@media (max-width: 1199.98px) {
  .cs-gallery-item--featured {
    grid-column: span 12;
  }
  .cs-gallery-item:not(.cs-gallery-item--featured) {
    grid-column: span 6;
  }
}

/* 992px */
@media (max-width: 991.98px) {
  .br-header .navbar-collapse {
    background: var(--br-white);
    border: 1px solid var(--br-border);
    border-radius: var(--br-radius-lg);
    padding: var(--br-space-4);
    margin-top: var(--br-space-3);
    box-shadow: var(--br-shadow-md);
  }

  .br-mega-dropdown .dropdown-menu.br-mega-menu {
    position: static !important;
    transform: none !important;
    float: none;
    width: 100%;
    min-width: 0;
    border: none;
    box-shadow: none;
    padding: var(--br-space-2) 0 0;
  }

  .prt-filter-tabs {
    overflow-x: auto;
    flex-wrap: nowrap !important;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--br-space-2);
  }

  .cs-hero {
    padding: var(--br-space-10) 0 var(--br-space-8);
  }
}

/* 768px */
@media (max-width: 767.98px) {
  .cs-gallery-item--featured,
  .cs-gallery-item:not(.cs-gallery-item--featured) {
    grid-column: span 12;
  }

  .cs-results-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .br-hero h1,
  .prt-hero-title,
  .nxblog-hero-heading {
    font-size: clamp(1.75rem, 6vw, 2.25rem) !important;
  }

  .uxhero-slanted-collage {
    transform: scale(0.85);
    transform-origin: center;
  }
}

/* 576px */
@media (max-width: 575.98px) {
  .br-btn,
  .brc-btn,
  .prt-hero-cta,
  .tsb-btn {
    width: 100%;
    justify-content: center;
  }

  .cs-testimonial {
    padding: var(--br-space-6);
  }

  .cs-testimonial blockquote {
    font-size: var(--br-text-base);
    padding-left: var(--br-space-4);
  }

  .prt-filter-btn {
    font-size: 0.7rem;
    padding: 0.5rem 0.75rem;
    white-space: nowrap;
  }
}

/* 414px and below */
@media (max-width: 414px) {
  .br-container,
  .container {
    padding-left: var(--br-space-4);
    padding-right: var(--br-space-4);
  }

  .cs-results-grid {
    grid-template-columns: 1fr;
  }

  .br-social a {
    width: 40px;
    height: 40px;
  }
}

/* 320px */
@media (max-width: 320px) {
  .br-logo-img {
    height: 28px;
  }

  .br-header .nav-link {
    font-size: var(--br-text-xs);
  }
}