:root {
  --navy: #10233e;
  --navy-light: #1b3a63;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --text-main: #1e2a3a;
  --text-muted: #5b6b7f;
  --bg-body: #ffffff;
  --bg-alt: #f6f8fb;
  --border: #e4e9f0;
  --radius: 12px;
  --shadow: 0 4px 16px rgba(16, 35, 62, 0.06);
  --shadow-hover: 0 12px 28px rgba(16, 35, 62, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-main);
  background: var(--bg-body);
  line-height: 1.6;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--accent); text-decoration: none; }

h1, h2, h3, h4 { margin: 0; line-height: 1.2; font-weight: 700; color: var(--navy); }

p { margin: 0 0 12px; color: var(--text-muted); }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 10px;
}
.eyebrow.center { text-align: center; }

.section-title {
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 14px;
}
.section-title.center { text-align: center; }

.section-sub {
  max-width: 640px;
  margin: 0 auto 44px;
  text-align: center;
  font-size: 1.05rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--navy);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.logo span { color: var(--accent); }
.logo small {
  font-weight: 500;
  font-size: 0.6rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--accent); }
.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 10px 18px;
  border-radius: 8px;
}
.nav-cta:hover { background: var(--accent-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
}

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--bg-alt) 0%, #ffffff 100%);
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--border);
}
.hero-inner { max-width: 780px; text-align: center; margin: 0 auto; }
.hero h1 {
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.15rem;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.98rem;
  transition: all 0.15s ease;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn-secondary {
  background: #fff;
  color: var(--navy);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* Products */
.products { padding: 96px 0; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.product-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.product-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.product-head h3 { font-size: 1.25rem; }

.tag {
  background: var(--bg-alt);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 999px;
  white-space: nowrap;
  border: 1px solid var(--border);
}

.product-desc { font-size: 0.96rem; margin-bottom: 16px; }

.feature-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  flex-grow: 1;
}
.feature-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--text-main);
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.product-link {
  font-weight: 700;
  font-size: 0.95rem;
  margin-top: auto;
}

/* About */
.about {
  background: var(--bg-alt);
  padding: 96px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.about-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-text p { font-size: 1.02rem; }
.about-text strong { color: var(--navy); }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow);
}
.stat-number {
  display: block;
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--accent);
}
.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Industries */
.industries { padding: 96px 0; }
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.industry-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  background: #fff;
  transition: box-shadow 0.2s ease;
}
.industry-card:hover { box-shadow: var(--shadow); }
.industry-card h3 { margin-bottom: 10px; color: var(--accent); font-size: 1.1rem; }
.industry-card p { font-size: 0.9rem; margin: 0; }

/* CTA band */
.cta-band {
  background: var(--navy);
  padding: 72px 0;
  text-align: center;
}
.cta-inner h2 { color: #fff; font-size: 1.9rem; margin-bottom: 12px; }
.cta-inner p { color: #b9c6da; max-width: 520px; margin: 0 auto 28px; }

/* Footer */
.site-footer {
  background: #0b1830;
  padding: 56px 0 24px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo { color: #fff; }
.footer-brand .logo span { color: #5b9bff; }
.footer-brand p {
  color: #93a3bb;
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 280px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: #93a3bb;
  font-size: 0.9rem;
  margin-bottom: 10px;
}
.footer-col a:hover { color: #5b9bff; }

.footer-bottom {
  padding-top: 20px;
  text-align: center;
}
.footer-bottom p {
  color: #6c7d99;
  font-size: 0.82rem;
  margin: 0;
}

/* Responsive */
@media (max-width: 860px) {
  .about-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    border-bottom: 1px solid var(--border);
    display: none;
    gap: 18px;
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero h1 { font-size: 1.4rem; }
  .section-title { font-size: 1.6rem; }
}
