:root {
  --vp-blue: #0b70c9;
  --vp-navy: #08345f;
  --vp-aqua: #13b7bf;
  --vp-green: #32a852;
  --vp-text: #182331;
  --vp-muted: #617080;
  --vp-bg: #ffffff;
  --vp-soft: #f3f7fb;
  --vp-card: #ffffff;
  --vp-border: #dce6ef;
  --vp-shadow: 0 18px 45px rgba(8, 52, 95, .12);
}

[data-theme="dark"] {
  --vp-blue: #45a3ff;
  --vp-navy: #dceeff;
  --vp-aqua: #40d4d8;
  --vp-green: #7bd88f;
  --vp-text: #e8f0f8;
  --vp-muted: #aebdca;
  --vp-bg: #0f1419;
  --vp-soft: #151d25;
  --vp-card: #1b2530;
  --vp-border: #2d3a48;
  --vp-shadow: 0 18px 45px rgba(0, 0, 0, .28);
}

html { scroll-behavior: smooth; }
body {
  background: var(--vp-bg);
  color: var(--vp-text);
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  transition: background .25s ease, color .25s ease;
}
a { color: var(--vp-blue); text-decoration: none; }
.topbar { background: var(--vp-navy); color: #fff; font-size: .9rem; }
.site-navbar {
  min-height: 64px;
  padding: .2rem 0;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--vp-border);
}
[data-theme="dark"] .site-navbar { background: rgba(15,20,25,.94); }
.site-navbar .container { gap: 1rem; }
.brand-logo {
  width: 46px !important;
  height: 46px !important;
  max-width: 46px;
  max-height: 46px;
  object-fit: contain;
  flex: 0 0 46px;
  display: block;
}
.navbar-brand {
  min-width: 0;
  margin-right: 1rem;
  white-space: nowrap;
}
.navbar-brand span { color: var(--vp-blue); font-weight: 800; letter-spacing: 0; font-size: 1.08rem; }
.navbar-nav { align-items: center; }
.nav-link { color: var(--vp-text) !important; font-weight: 600; padding-left: .55rem !important; padding-right: .55rem !important; }
.nav-link:hover { color: var(--vp-blue) !important; }
.theme-toggle { width: 42px; height: 42px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }
.btn-primary { background: var(--vp-blue); border-color: var(--vp-blue); }
.btn-outline-primary { color: var(--vp-blue); border-color: var(--vp-blue); }
.btn-outline-primary:hover { background: var(--vp-blue); border-color: var(--vp-blue); }
.hero-carousel, .hero-slide { min-height: calc(100vh - 112px); }
.hero-slide {
  position: relative; display: flex; align-items: center; color: #fff; overflow: hidden;
  background-size: cover; background-position: center;
}
.hero-slide::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(3,20,36,.82), rgba(3,20,36,.42), rgba(3,20,36,.16));
  z-index: 1;
}
.carousel-item.active .hero-slide { animation: kenburns 5.8s ease-out both; }
@keyframes kenburns { from { background-size: 100%; } to { background-size: 108%; } }
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.hero-content h1 { font-size: clamp(2.4rem, 5vw, 5.7rem); font-weight: 800; line-height: 1.02; }
.section-pad { padding: 86px 0; }
.section-soft { background: var(--vp-soft); }
.eyebrow { color: var(--vp-aqua); font-weight: 800; text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; }
.section-title { font-weight: 800; color: var(--vp-navy); font-size: clamp(1.9rem, 3vw, 3.25rem); }
.section-copy { color: var(--vp-muted); font-size: 1.05rem; }
.vp-card {
  background: var(--vp-card); border: 1px solid var(--vp-border); border-radius: 8px;
  box-shadow: var(--vp-shadow); overflow: hidden; height: 100%; transition: transform .2s ease, box-shadow .2s ease;
}
.vp-card:hover { transform: translateY(-6px); box-shadow: 0 22px 55px rgba(8, 52, 95, .18); }
.card-img-top, .preview-img { height: 230px; object-fit: cover; width: 100%; }
.preview-img.large { height: 420px; border-radius: 8px; box-shadow: var(--vp-shadow); }
.stat-number { font-size: 2.8rem; font-weight: 800; color: var(--vp-blue); }
.mosaic { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.mosaic img { width: 100%; height: 145px; object-fit: cover; border-radius: 8px; }
.mosaic img:nth-child(1) { grid-column: span 2; height: 302px; }
.gallery-item img { height: 245px; width: 100%; object-fit: cover; }
.footer { background: #081f37; color: #dceaff; }
.footer a { color: #dceaff; }
.admin-shell { background: var(--vp-soft); min-height: 100vh; }
.admin-sidebar { background: #081f37; min-height: 100vh; }
.admin-sidebar a { color: #dceaff; display: block; padding: .72rem 1rem; border-radius: 6px; }
.admin-sidebar a:hover, .admin-sidebar a.active { background: rgba(255,255,255,.12); }
.form-control, .form-select { background-color: var(--vp-card); color: var(--vp-text); border-color: var(--vp-border); }
.table { color: var(--vp-text); }
.page-banner { background: linear-gradient(110deg, rgba(8,52,95,.88), rgba(11,112,201,.68)), url('https://images.unsplash.com/photo-1581093458791-9d42e6df4cf8?auto=format&fit=crop&w=1800&q=80') center/cover; color: #fff; padding: 120px 0 84px; }
.products-banner {
  background:
    linear-gradient(110deg, rgba(8, 52, 95, .9), rgba(11, 112, 201, .62)),
    url('../Uploads/Products/portfolio-01.jpg') center 45%/cover;
}
.products-portfolio-section {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(243, 247, 251, .92), rgba(255, 255, 255, .98)),
    url('../Uploads/Products/portfolio-03.jpg') right top/360px auto no-repeat;
}
[data-theme="dark"] .products-portfolio-section {
  background:
    linear-gradient(180deg, rgba(21, 29, 37, .94), rgba(15, 20, 25, .98)),
    url('../Uploads/Products/portfolio-03.jpg') right top/360px auto no-repeat;
}
.product-portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.product-portfolio-grid img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--vp-border);
  box-shadow: var(--vp-shadow);
  background: #fff;
}
.product-portfolio-grid img:nth-child(1) {
  grid-column: span 2;
  grid-row: span 2;
}
.product-filter-card {
  position: relative;
  z-index: 1;
}
.ratio iframe { border: 0; }
@media (max-width: 991px) {
  .site-navbar { min-height: 60px; padding: .18rem 0; }
  .site-navbar .container { align-items: center; }
  .brand-logo { width: 42px !important; height: 42px !important; max-width: 42px; max-height: 42px; flex-basis: 42px; }
  .navbar-brand span { font-size: 1rem; }
  .navbar-nav { align-items: stretch; padding-top: .75rem; }
  .navbar-nav .btn, .theme-toggle { margin-top: .35rem; }
  .hero-carousel, .hero-slide { min-height: 78vh; }
  .section-pad { padding: 58px 0; }
  .preview-img.large { height: 300px; }
  .product-portfolio-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .mosaic { grid-template-columns: repeat(2, 1fr); }
  .mosaic img:nth-child(1) { grid-column: span 2; height: 220px; }
  .admin-sidebar { min-height: auto; }
}

@media (max-width: 420px) {
  .navbar-brand span { max-width: 210px; overflow-wrap: anywhere; white-space: normal; line-height: 1.15; }
}