:root {
  --brand: #0f172a;
  --brand-accent: #2563eb;
  --text: #0f172a;
  --muted: #64748b;
  --bg: #f8fafc;
  --card-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  line-height: 1.7;
}

main {
  position: relative;
}

.navbar {
  background: rgba(10, 16, 29, 0.96);
  backdrop-filter: blur(16px);
  box-shadow: 0 12px 35px rgba(15, 23, 42, 0.18);
  padding: 0.95rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.navbar-brand {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 1.05rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.navbar-brand::before {
  content: "✦";
  color: #60a5fa;
  font-size: 0.95rem;
}

.navbar-nav .nav-link {
  position: relative;
  color: rgba(255,255,255,0.88) !important;
  font-weight: 600;
  padding: 0.55rem 0.95rem !important;
  margin: 0 0.08rem;
  transition: color 0.2s ease, transform 0.2s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  color: #ffffff !important;
  transform: translateY(-1px);
}

.navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0.95rem;
  right: 0.95rem;
  bottom: 0.18rem;
  height: 2px;
  background: linear-gradient(90deg, #93c5fd 0%, #2563eb 100%);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link:focus::after {
  transform: scaleX(1);
}

.navbar .btn-primary {
  border-radius: 999px;
  padding-left: 1rem !important;
  padding-right: 1rem !important;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.22);
}

.navbar-toggler {
  border: none;
  padding: 0.35rem;
}

.navbar-toggler:focus {
  box-shadow: none;
}

@media (max-width: 991px) {
  .navbar-collapse {
    margin-top: 0.7rem;
    padding: 0.8rem;
    border-radius: 16px;
    background: rgba(15, 23, 42, 0.95);
  }

  .navbar-nav .nav-link {
    padding: 0.7rem 0.2rem !important;
  }
}

.hero {
  background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 100%);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -30% auto;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, rgba(37, 99, 235, 0) 70%);
  pointer-events: none;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--brand-accent);
}

.btn-primary {
  background-color: var(--brand-accent);
  border-color: var(--brand-accent);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
  background-color: #1d4ed8;
  border-color: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.18);
}

.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.stat-box {
  background: rgba(255,255,255,0.8);
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 14px;
  padding: 12px 14px;
  min-width: 150px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
}

.stat-box strong {
  display: block;
  font-size: 1.05rem;
  color: var(--brand-accent);
}

.stat-box span {
  font-size: 0.92rem;
  color: var(--muted);
}

.spotlight-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
}

.feature-card, .product-card, .process-card {
  background: linear-gradient(135deg, #ffffff 0%, #f9fbff 100%);
}

.os-graphic {
  background: linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(241,247,255,0.85) 100%);
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: 32px;
  padding: 2rem;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
}

.os-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.os-label {
  text-transform: uppercase;
  letter-spacing: 0.35em;
  font-weight: 800;
  color: #2563eb;
  font-size: 0.8rem;
}

.os-title {
  font-size: 2rem;
  font-weight: 900;
  color: #0f172a;
  text-align: center;
}

.os-stages {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.75rem;
}

.os-stage {
  background: #ffffff;
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 18px;
  color: #0f172a;
  font-weight: 700;
  text-align: center;
  padding: 1rem 0.8rem;
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.05);
}

.os-hub-card {
  margin: 2rem auto 0;
  max-width: 560px;
  background: linear-gradient(135deg, #ffffff 0%, #eff6ff 100%);
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 28px;
  padding: 1.8rem 1.6rem;
  text-align: center;
}

.os-hub {
  font-size: 1.3rem;
  font-weight: 900;
  color: #0f172a;
}

.os-hub-note {
  color: var(--muted);
  margin-top: 0.55rem;
}

.os-modules {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.75rem;
}

.os-module {
  background: #ffffff;
  border: 1px solid rgba(37, 99, 235, 0.09);
  border-radius: 24px;
  padding: 1.35rem;
  text-align: center;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
}

.module-name {
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 0.7rem;
}

.module-copy {
  color: var(--muted);
}

.os-intel {
  margin-top: 1.2rem;
  color: #2563eb;
  font-weight: 700;
  text-align: center;
}

@media (max-width: 991px) {
  .os-stages,
  .os-modules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 575px) {
  .os-stages,
  .os-modules {
    grid-template-columns: 1fr;
  }
}

.advanced-section {
  padding: 24px;
  border-radius: 24px;
  background: linear-gradient(135deg, #f8fbff 0%, #eef4ff 100%);
}

.contact-card,
.professional-note,
.contact-form-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
  border: 1px solid rgba(37, 99, 235, 0.08);
}

.contact-form-card {
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08) !important;
}

.carousel-shell {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}

.carousel-track {
  display: grid;
  grid-template-columns: 1fr;
  width: 100%;
}

.carousel-slide {
  display: none;
}

.carousel-slide.active {
  display: block;
}

.carousel-control {
  border: none;
  background: var(--brand-accent);
  color: white;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2);
}

.carousel-control:hover {
  background: #1d4ed8;
}

.icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  color: var(--brand-accent);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.btn-outline-secondary:hover {
  transform: translateY(-2px);
}

.card {
  border-radius: 1rem;
  box-shadow: var(--card-shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 50px rgba(15, 23, 42, 0.12);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
}

.form-control:focus {
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.2);
}

.status-pill {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: #eff6ff;
  color: var(--brand-accent);
  font-weight: 600;
  font-size: 0.9rem;
}

footer {
  background: linear-gradient(90deg, #0f172a 0%, #111827 100%);
}

footer a {
  text-decoration: none;
  transition: color 0.2s ease;
}

footer a:hover {
  color: #fff !important;
}

.ajax-result {
  min-height: 24px;
  margin-top: 12px;
  font-weight: 600;
  color: var(--brand-accent);
}