:root {
  --bw-black: #05070a;
  --bw-panel: #10151d;
  --bw-panel-2: #171d27;
  --bw-silver: #d8dde5;
  --bw-muted: #9da8b8;
  --bw-blue: #00a8ff;
  --bw-blue-2: #3bd5ff;
  --bw-line: rgba(170, 190, 210, .16);
}

html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--bw-silver);
  background:
    radial-gradient(circle at 20% 0%, rgba(0, 168, 255, .15), transparent 28rem),
    linear-gradient(180deg, #020305 0%, #0c1118 44%, #05070a 100%);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}
a { color: var(--bw-blue-2); text-decoration: none; }
a:hover { color: #ffffff; }
main { min-height: 65vh; }
.bw-nav {
  background: rgba(5, 7, 10, .88);
  border-bottom: 1px solid var(--bw-line);
  backdrop-filter: blur(16px);
}
.navbar-toggler { border-color: var(--bw-line); }
.navbar-toggler-icon { filter: invert(1); }
.brand-logo { width: 190px; max-height: 54px; object-fit: contain; }
.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--bw-line);
  border-radius: 8px;
  background: linear-gradient(135deg, #f7f9fc, #7d8795);
  color: #05070a;
  font-weight: 800;
}
.nav-link { color: #cbd4df; }
.nav-link:hover, .nav-link:focus { color: #ffffff; }
.btn-bw {
  background: linear-gradient(135deg, var(--bw-blue), var(--bw-blue-2));
  color: #031018;
  border: 0;
  font-weight: 700;
  box-shadow: 0 0 24px rgba(0, 168, 255, .26);
}
.btn-bw:hover, .btn-bw:focus { color: #000; filter: brightness(1.08); }
.btn-outline-bw {
  color: #ffffff;
  border: 1px solid rgba(216, 221, 229, .42);
  background: rgba(255, 255, 255, .04);
}
.btn-outline-bw:hover { border-color: var(--bw-blue-2); background: rgba(0, 168, 255, .12); color: #fff; }
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 8.5rem 0 5rem;
  border-bottom: 1px solid var(--bw-line);
  background-size: cover;
  background-position: center;
}
.hero h1, .section-title h1, .section-title h2 {
  color: #ffffff;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: 0;
}
.hero h1 { font-size: clamp(2.6rem, 6vw, 5.5rem); max-width: 980px; }
.hero p { max-width: 760px; color: #d9e2ed; font-size: 1.1rem; }
.hero-logo {
  width: min(100%, 760px);
  filter: drop-shadow(0 0 32px rgba(0, 168, 255, .25));
}
.section-band { padding: 5rem 0; }
.section-band.alt { background: rgba(255, 255, 255, .025); border-block: 1px solid var(--bw-line); }
.section-title { max-width: 760px; margin-bottom: 2rem; }
.section-title p { color: var(--bw-muted); }
.bw-card {
  height: 100%;
  border: 1px solid var(--bw-line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.025));
  padding: 1.35rem;
  transition: border-color .2s ease, background .2s ease;
}
.bw-card:hover { border-color: rgba(59, 213, 255, .5); background: rgba(0, 168, 255, .06); }
.bw-card h3 { color: #fff; font-size: 1.15rem; }
.icon-box {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(0, 168, 255, .13);
  color: var(--bw-blue-2);
  margin-bottom: 1rem;
}
.product-image, .gallery-image, .page-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--bw-line);
  background: var(--bw-panel);
}
.meta-list { display: grid; gap: .75rem; }
.meta-list div { padding: .75rem 0; border-bottom: 1px solid var(--bw-line); }
.form-surface {
  border: 1px solid var(--bw-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .045);
  padding: 1.4rem;
}
.form-surface label { color: #fff; font-weight: 600; margin-bottom: .35rem; }
.form-surface input, .form-surface select, .form-surface textarea {
  width: 100%;
  min-height: 44px;
  color: #fff;
  background: #0a0f16;
  border: 1px solid rgba(216, 221, 229, .22);
  border-radius: 8px;
  padding: .65rem .8rem;
}
.form-surface textarea { min-height: 130px; }
.form-surface .helptext, .form-surface ul { color: var(--bw-muted); font-size: .9rem; }
.table-bw { --bs-table-bg: transparent; --bs-table-color: var(--bw-silver); --bs-table-border-color: var(--bw-line); }
.badge-bw { background: rgba(0,168,255,.14); color: var(--bw-blue-2); border: 1px solid rgba(0,168,255,.25); }
.message-stack { padding-top: 6rem; }
.bw-footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--bw-line);
  background: #030507;
}
.bw-footer h2, .bw-footer h3 { color: #fff; font-size: 1.1rem; }
.bw-footer a, .bw-footer p { display: block; color: var(--bw-muted); margin-bottom: .45rem; }
.footer-bottom { margin-top: 2.5rem; padding-top: 1rem; border-top: 1px solid var(--bw-line); color: #7f8b9b; }

@media (max-width: 767px) {
  .brand-logo { width: 148px; }
  .hero { min-height: auto; padding-top: 7.25rem; }
  .section-band { padding: 3.25rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}