:root {
  --cv-dark: #0f172a;
  --cv-blue: #1e3a5f;
  --cv-blue-2: #2563eb;
  --cv-border: #e5e7eb;
  --cv-muted: #64748b;
  --cv-shadow: 0 18px 45px rgba(15, 23, 42, .10);
}

* { letter-spacing: -0.01em; }

body {
  color: var(--cv-dark);
  background: radial-gradient(circle at top left, rgba(37, 99, 235, .08), transparent 28rem), #fff;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.fw-black { font-weight: 900; }
.text-muted { color: var(--cv-muted) !important; }

.top-bar {
  background: var(--cv-dark);
  color: rgba(255,255,255,.78);
  font-size: .85rem;
  padding: .5rem 0;
}

.main-navbar {
  border-bottom: 1px solid rgba(226,232,240,.9);
  box-shadow: 0 8px 25px rgba(15,23,42,.04);
}

.navbar .nav-link {
  font-weight: 650;
  color: #334155;
  padding-left: .9rem !important;
  padding-right: .9rem !important;
}

.navbar .nav-link:hover, .navbar .nav-link.active { color: var(--cv-blue-2); }

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--cv-dark), var(--cv-blue));
  color: #fff;
  font-weight: 900;
  box-shadow: 0 10px 25px rgba(30,58,95,.25);
}

.hero {
  overflow: hidden;
  background: linear-gradient(135deg, rgba(15,23,42,.96), rgba(30,58,95,.94));
  color: #fff;
  padding: 88px 0 72px;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4.1rem);
  line-height: 1;
  font-weight: 950;
}

.hero-card {
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 24px;
  padding: 22px;
  box-shadow: 0 25px 80px rgba(0,0,0,.25);
}

.hero-device {
  min-height: 330px;
  border-radius: 24px;
  background: linear-gradient(160deg, rgba(255,255,255,.14), rgba(255,255,255,.05));
  border: 1px solid rgba(255,255,255,.15);
  padding: 22px;
}

.device-screen {
  border-radius: 18px;
  background: #020617;
  height: 210px;
  padding: 24px;
}

.screen-line {
  height: 10px;
  border-radius: 99px;
  background: rgba(255,255,255,.18);
  margin-bottom: 13px;
}

.stat-card, .feature-card, .contact-card, .admin-card {
  border: 1px solid var(--cv-border);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 10px 35px rgba(15,23,42,.05);
}

.stat-card { padding: 18px; }

.icon-box {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #eff6ff;
  color: var(--cv-blue-2);
  font-size: 1.35rem;
}

.section-title { font-weight: 950; letter-spacing: -0.055em; }

.section-eyebrow {
  display: inline-flex;
  color: var(--cv-blue-2);
  background: #eff6ff;
  border: 1px solid #dbeafe;
  border-radius: 999px;
  padding: .35rem .75rem;
  font-weight: 800;
  font-size: .8rem;
  margin-bottom: .75rem;
}

.product-card {
  border: 1px solid var(--cv-border);
  border-radius: 24px;
  overflow: hidden;
  transition: .22s ease;
  height: 100%;
  box-shadow: 0 8px 28px rgba(15,23,42,.05);
}

.product-card:hover { transform: translateY(-6px); box-shadow: var(--cv-shadow); }

.product-img {
  height: 210px;
  object-fit: contain;
  background: radial-gradient(circle at 50% 25%, rgba(37,99,235,.12), transparent 14rem), #f8fafc;
}

.product-img img { max-height: 100%; max-width: 100%; object-fit: contain; }

.price { font-size: 1.35rem; font-weight: 950; color: var(--cv-dark); }

.btn-primary-custom {
  background: linear-gradient(135deg, var(--cv-blue), var(--cv-blue-2));
  border: none;
  color: #fff;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(37,99,235,.22);
}

.btn-primary-custom:hover { color: #fff; transform: translateY(-1px); }

.btn-outline-custom {
  border: 1px solid #cbd5e1;
  color: var(--cv-dark);
  font-weight: 800;
}

.btn-outline-custom:hover {
  background: var(--cv-dark);
  color: #fff;
  border-color: var(--cv-dark);
}

.category-pill {
  border: 1px solid var(--cv-border);
  border-radius: 999px;
  padding: .65rem 1rem;
  background: #fff;
  font-weight: 750;
  color: #334155;
  text-decoration: none;
  display: inline-flex;
  gap: .45rem;
  align-items: center;
}

.category-pill:hover, .category-pill.active {
  color: var(--cv-blue-2);
  border-color: #bfdbfe;
  background: #eff6ff;
}

.page-header {
  background: linear-gradient(135deg, #f8fafc, #eef2ff);
  border-bottom: 1px solid var(--cv-border);
  padding: 56px 0;
}

.form-control, .form-select {
  border-radius: 14px;
  padding: .8rem .95rem;
  border-color: #dbe3ee;
}

.form-control:focus, .form-select:focus {
  border-color: var(--cv-blue-2);
  box-shadow: 0 0 0 .25rem rgba(37,99,235,.12);
}

.cart-item {
  border: 1px solid var(--cv-border);
  border-radius: 22px;
  background: #fff;
  padding: 18px;
  margin-bottom: 14px;
}

.footer { background: #0b1120; color: #fff; }

.footer-links a {
  color: rgba(255,255,255,.55);
  text-decoration: none;
  display: inline-block;
  margin-bottom: .45rem;
}

.footer-links a:hover { color: #fff; }

.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #111827;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.55rem;
  text-decoration: none;
  box-shadow: 0 18px 40px rgba(15,23,42,.25);
  z-index: 10;
}

.admin-sidebar {
  position: sticky;
  top: 90px;
}

.admin-product-img {
  width: 72px;
  height: 56px;
  border-radius: 14px;
  background: #f8fafc;
  object-fit: contain;
}

@media (max-width: 991.98px) {
  .hero { padding: 64px 0; }
  .hero-device { min-height: 260px; }
  .device-screen { height: 170px; }
}