/* =====================================================
   STELSEP Custom Styles — Bootstrap 5 override layer
   ===================================================== */

:root {
  --stelsep-navy:       #173554;   /* primary dark navy — deepened to anchor RAL 5012 palette */
  --stelsep-blue:       #3481b8;   /* RAL 5012 Light Blue — primary brand blue */
  --stelsep-accent:     #1abde0;   /* cyan-blue accent — matches sterlingsep.com, harmonises with RAL 5012 */
  --stelsep-pale:       #e8f3fa;   /* very pale blue for section bgs */
  --stelsep-mid:        #4d9fd0;   /* lighter hover/CTA blue derived from RAL 5012 */
  --stelsep-text:       #1a2e42;   /* dark text */
}

/* ---- Utility colour classes ---- */
.bg-stelsep-navy  { background-color: var(--stelsep-navy) !important; }
.bg-stelsep-blue  { background-color: var(--stelsep-blue) !important; }
.bg-stelsep-pale  { background-color: var(--stelsep-pale) !important; }
.text-stelsep-navy   { color: var(--stelsep-navy) !important; }
.text-stelsep-accent { color: var(--stelsep-accent) !important; }
/* Bootstrap 4 carry-over — not in BS5 by default */
.text-white-75 { color: rgba(255,255,255,.75) !important; }

/* ---- Navbar ---- */
.navbar { box-shadow: 0 2px 8px rgba(0,0,0,.35); }
.navbar-dark .navbar-nav .nav-link {
  color: rgba(255,255,255,.85);
  font-weight: 500;
  letter-spacing: .02em;
  padding-left: 1rem;
  padding-right: 1rem;
  transition: color .2s;
}
.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active { color: var(--stelsep-accent); }

.dropdown-menu-stelsep {
  background-color: var(--stelsep-navy);
  border: 1px solid rgba(26,189,224,.25);
  border-top: 2px solid var(--stelsep-accent);
  border-radius: 0 0 .5rem .5rem;
}
.dropdown-menu-stelsep .dropdown-item {
  color: rgba(255,255,255,.8);
  font-size: .9rem;
}
.dropdown-menu-stelsep .dropdown-item:hover {
  background-color: rgba(26,189,224,.15);
  color: #fff;
}
.dropdown-menu-stelsep .dropdown-divider { border-color: rgba(255,255,255,.15); }

/* ---- Hero / Carousel ---- */
.carousel-stelsep { min-height: 480px; }
.carousel-stelsep .carousel-item {
  min-height: 480px;
  background: linear-gradient(160deg, var(--stelsep-blue) 0%, #235f99 100%);
}
.carousel-stelsep .carousel-caption { position: static; text-align: left; padding: 4rem 0; }
.carousel-stelsep .carousel-indicators [data-bs-target] { background-color: var(--stelsep-accent); }
.carousel-stelsep .carousel-control-prev-icon,
.carousel-stelsep .carousel-control-next-icon { filter: none; }

/* ---- Page hero (non-carousel) ---- */
.page-hero {
  background: linear-gradient(135deg, var(--stelsep-navy) 0%, var(--stelsep-blue) 100%);
  color: #fff;
  padding: 4rem 0 3.5rem;
}
.page-hero h1 { font-size: 2.6rem; font-weight: 700; }
.page-hero .lead { color: rgba(255,255,255,.85); }
.page-hero .breadcrumb-item a { color: var(--stelsep-accent); }
.page-hero .breadcrumb-item.active { color: rgba(255,255,255,.7); }
.page-hero .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,.4); }

/* ---- Feature icon strip ---- */
.feature-icon {
  width: 3.5rem; height: 3.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--stelsep-blue), var(--stelsep-accent));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: #fff;
  flex-shrink: 0;
}
.feature-card { border: none; border-radius: .75rem; transition: transform .2s, box-shadow .2s; }
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(23,53,84,.15); }

/* ---- Product cards ---- */
.product-card {
  border: none;
  border-radius: .75rem;
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(23,53,84,.18); }
.product-card .card-img-top {
  height: 200px;
  object-fit: contain;
  background: var(--stelsep-pale);
  padding: 1rem;
}
.product-card .card-footer { background: transparent; border-top: 1px solid rgba(0,0,0,.06); }

/* ---- Section headings ---- */
.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: .8rem;
  font-weight: 700;
  color: var(--stelsep-mid);
}
.section-title { font-weight: 700; color: var(--stelsep-text); }
.section-divider {
  width: 3.5rem; height: 3px;
  background: linear-gradient(90deg, var(--stelsep-blue), var(--stelsep-accent));
  border: none; border-radius: 2px;
  margin: 1rem 0 1.5rem;
}

/* ---- Stat counters / impact boxes ---- */
.stat-box {
  background: var(--stelsep-pale);
  border-left: 4px solid var(--stelsep-blue);
  border-radius: .5rem;
  padding: 1.5rem;
}
.stat-number { font-size: 2.2rem; font-weight: 800; color: var(--stelsep-blue); line-height: 1; }

/* ---- CTA banner ---- */
.cta-banner {
  background: linear-gradient(135deg, var(--stelsep-blue) 0%, var(--stelsep-navy) 100%);
}

/* ---- Buttons ---- */
.btn-stelsep-primary {
  background-color: var(--stelsep-blue);
  border-color: var(--stelsep-blue);
  color: #fff;
}
.btn-stelsep-primary:hover {
  background-color: var(--stelsep-mid);
  border-color: var(--stelsep-mid);
  color: #fff;
}
.btn-stelsep-outline {
  border: 2px solid var(--stelsep-accent);
  color: var(--stelsep-accent);
  background: transparent;
}
.btn-stelsep-outline:hover {
  background: var(--stelsep-accent);
  color: var(--stelsep-navy);
}

/* ---- Team cards ---- */
.team-card img { border: 4px solid var(--stelsep-pale); }
.team-card .team-role {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--stelsep-mid);
  font-weight: 700;
}

/* ---- Accordion (downloads) ---- */
.accordion-button:not(.collapsed) {
  background-color: var(--stelsep-pale);
  color: var(--stelsep-navy);
  box-shadow: none;
}
.accordion-button:focus { box-shadow: 0 0 0 .15rem rgba(52,129,184,.25); }

/* ---- Download list items ---- */
.download-item {
  border-left: 3px solid var(--stelsep-accent);
  padding: .5rem 1rem;
  margin-bottom: .5rem;
  background: #fff;
  border-radius: 0 .375rem .375rem 0;
  display: flex; align-items: center; gap: .75rem;
  transition: background .15s;
}
.download-item:hover { background: var(--stelsep-pale); }
.download-item .bi { color: var(--stelsep-blue); font-size: 1.2rem; flex-shrink: 0; }

/* ---- Warning / regulatory boxes ---- */
.reg-warning {
  background: #fff3cd;
  border-left: 4px solid #ffc107;
  border-radius: .5rem;
  padding: 1rem 1.25rem;
}
.reg-danger {
  background: #f8d7da;
  border-left: 4px solid #dc3545;
  border-radius: .5rem;
  padding: 1rem 1.25rem;
}

/* ---- Footer links ---- */
.footer-link:hover { color: var(--stelsep-accent) !important; }

/* ---- Prevent horizontal scroll from overflow ---- */
html, body { overflow-x: hidden; }

/* ---- Ensure nothing breaks out of its column ---- */
img, video, iframe { max-width: 100%; }

/* ---- Download item: text div should grow and squeeze the button out ---- */
.download-item > div { flex: 1; min-width: 0; }

/* ================================================================
   RESPONSIVE OVERRIDES
   Breakpoints: xs <576 | sm 576-767 | md 768-991 | lg 992+
================================================================ */

/* --- md and below: let carousel height be driven by content --- */
@media (max-width: 991.98px) {
  .carousel-stelsep,
  .carousel-stelsep .carousel-item { min-height: unset; }
}

/* --- sm and below (<768px) --- */
@media (max-width: 767.98px) {

  /* Tighten large row gutters — 3rem gap is too much when columns stack */
  .row.g-5 { --bs-gutter-x: 1.5rem; --bs-gutter-y: 1.5rem; }

  /* Section intro spacing */
  .mb-5 { margin-bottom: 2rem !important; }

  /* Page hero */
  .page-hero           { padding: 2.25rem 0 1.75rem; }
  .page-hero h1        { font-size: 1.75rem; }
  .page-hero .lead     { font-size: 1rem; }

  /* Carousel headings and body text */
  .carousel-stelsep .display-4  { font-size: 1.9rem !important; line-height: 1.2 !important; }
  .carousel-stelsep .lead       { font-size: 1rem !important; }

  /* Pull the carousel indicators up above the prev/next arrows */
  .carousel-stelsep .carousel-indicators { bottom: 0.25rem; }

  /* Section vertical rhythm */
  .py-5 { padding-top: 2.75rem !important; padding-bottom: 2.75rem !important; }

  /* Stat boxes */
  .stat-box    { padding: .9rem .75rem; }
  .stat-number { font-size: 1.6rem; }

  /* Download items: wrap so the button drops to its own line */
  .download-item { flex-wrap: wrap; }
  .download-item .btn {
    width: 100%;
    margin-left: 0 !important;   /* cancel ms-auto */
    margin-top: .5rem;
  }

  /* Accordion button text smaller so it doesn't overflow */
  .accordion-button { font-size: .9rem; }

  /* CTA banner heading */
  .cta-banner h2 { font-size: 1.4rem; }

  /* Feature icon strip — force wrap at 2 across on small */
  .feature-icon { width: 3rem; height: 3rem; font-size: 1.2rem; }
}

/* --- xs only (<576px) --- */
@media (max-width: 575.98px) {

  /* Page hero */
  .page-hero h1    { font-size: 1.5rem; }
  .page-hero .lead { font-size: .95rem; }

  /* Carousel */
  .carousel-stelsep .display-4 { font-size: 1.5rem !important; }
  .carousel-stelsep .badge     { font-size: .7rem !important; }

  /* Stack the two hero CTA buttons vertically */
  .carousel-stelsep .d-flex.gap-3 {
    flex-direction: column;
    align-items: flex-start;
    gap: .6rem !important;
  }
  .carousel-stelsep .btn-lg { width: 100%; }

  /* Hide prev/next arrows on tiny screens — swipe or dots only */
  .carousel-control-prev,
  .carousel-control-next { display: none; }

  /* Stat numbers */
  .stat-number { font-size: 1.35rem; }
  .stat-box    { padding: .75rem .6rem; }

  /* Reduce section padding a bit more */
  .py-5 { padding-top: 2.25rem !important; padding-bottom: 2.25rem !important; }

  /* Footer nav columns — give each a bit of room */
  footer .row > [class*="col-"] { margin-bottom: .5rem; }
}