:root {
  --vtc-bg: #f3f6fb;
  --vtc-surface: #ffffff;
  --vtc-text: #0f172a;
  --vtc-muted: #475569;
  --vtc-primary: #2563eb;
  --vtc-primary-hover: #1d4ed8;
  --vtc-accent: #0ea5e9;
  --vtc-border: #e2e8f0;
  --vtc-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --vtc-radius: 16px;
}

body {
  background: linear-gradient(180deg, #f8fbff 0%, var(--vtc-bg) 100%);
  color: var(--vtc-text);
  line-height: 1.6;
  font-family: "Segoe UI", "Inter", "Roboto", "Helvetica Neue", Arial, sans-serif;
}

h1, h2, h3, h4, h5, h6,
p, li, a, span, th, td, input, button, textarea, select {
  font-family: inherit;
}

.header {
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--vtc-border);
  backdrop-filter: saturate(150%) blur(8px);
}

.header .text-muted,
.header .text-muted i {
  color: var(--vtc-muted) !important;
  font-size: 0.9rem;
}

.navbar {
  background: #ffffff !important;
  border-bottom: 1px solid var(--vtc-border);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
}

.navbar-brand {
  height: 72px !important;
  max-height: 72px !important;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  padding-top: 0;
  padding-bottom: 0;
}

.brand-logo {
  display: block;
  width: auto !important;
  height: 72px !important;
  max-height: 72px !important;
  min-height: 0 !important;
}

.navbar .nav-link {
  color: #1e293b;
  font-weight: 500;
  padding: 0.75rem 1rem !important;
  border-radius: 10px;
  transition: all 0.2s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--vtc-primary);
  background-color: #eff6ff;
}

.dropdown-menu {
  border: 1px solid var(--vtc-border);
  border-radius: 12px;
  box-shadow: var(--vtc-shadow);
}

.dropdown-item:active,
.dropdown-item:focus,
.dropdown-item:hover {
  background: #eff6ff;
  color: var(--vtc-primary);
}

.bg-img {
  background-image: linear-gradient(120deg, rgba(37, 99, 235, 0.08), rgba(14, 165, 233, 0.08)), url("images/jumbotron-bg.png");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  min-height: 360px;
  position: relative;
  color: var(--vtc-text) !important;
}

.main-hero {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 24px;
  box-shadow: var(--vtc-shadow);
  padding: 2rem;
}

.main-hero h1 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.main-hero h4 {
  color: var(--vtc-muted);
  font-size: 1.1rem;
  margin-bottom: 0;
}

.service-card {
  background: var(--vtc-surface);
  border: 1px solid var(--vtc-border);
  border-radius: var(--vtc-radius);
  overflow: hidden;
  box-shadow: var(--vtc-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
}

.service-card .content {
  padding: 1.5rem;
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  color: #0b3f91;
}

.service-card p {
  color: var(--vtc-muted);
  margin-bottom: 0;
}

.service-card img {
  object-fit: cover;
  width: 200px;
  height: 250px;
}

.content-card,
.contact-card {
  background: var(--vtc-surface);
  border: 1px solid var(--vtc-border);
  border-radius: var(--vtc-radius);
  box-shadow: var(--vtc-shadow);
}

.content-card h3,
.contact-card h3 {
  color: #0b3f91;
  font-weight: 700;
}

.content-card p {
  color: var(--vtc-muted);
  margin-bottom: 1rem;
}

.content-card .content-lead {
  color: #334155;
  font-size: 1.04rem;
}

.pricing-card {
  background: #ffffff;
  border: 1px solid var(--vtc-border);
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  padding: 1.25rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pricing-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.1);
}

.pricing-card h4 {
  color: #0b3f91;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.pricing-card p {
  color: var(--vtc-muted);
  margin-bottom: 0;
}

.pricing-card .pricing-value {
  color: var(--vtc-text);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  line-height: 1.2;
}

.pricing-card .pricing-value span {
  color: #64748b;
  font-size: 0.95rem;
  font-weight: 500;
}

.form-label {
  font-weight: 600;
  color: #334155;
}

.form-control {
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
}

.form-control:focus {
  border-color: #93c5fd;
  box-shadow: 0 0 0 0.25rem rgba(37, 99, 235, 0.15);
}

.btn-primary {
  background-color: var(--vtc-primary);
  border-color: var(--vtc-primary);
  border-radius: 12px;
  padding: 0.65rem 1.2rem;
  font-weight: 600;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--vtc-primary-hover);
  border-color: var(--vtc-primary-hover);
}

.alert {
  border-radius: 12px;
  border-width: 1px;
}

.footer-link,
footer a {
  color: var(--vtc-primary);
  text-decoration: none;
}

.footer-link:hover,
footer a:hover {
  text-decoration: underline;
}

@media (max-width: 991.98px) {
  .header .text-muted {
    font-size: 0.82rem;
  }

  .service-card img {
    width: 100%;
    height: 200px;
  }

  .main-hero {
    padding: 1.5rem;
  }
}

@media (max-width: 575.98px) {
  .bg-img {
    min-height: 300px;
  }

  .main-hero h1 {
    font-size: 1.8rem;
  }

  .main-hero h4 {
    font-size: 1rem;
  }
}