:root {
  --navy: #0A1F3D;
  --navy-light: #10294f;
  --white: #FFFFFF;
  --gray-bg: #F5F7FA;
  --gray-mid: #A0AEC0;
  --accent: #2962FF;
  --font: 'Montserrat', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--navy);
  color: var(--white);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

a { text-decoration: none; color: inherit; }

.accent { color: var(--accent); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 31, 61, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.5px;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--accent);
}

.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-sub {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--gray-mid);
}

.main-nav {
  display: flex;
  gap: 32px;
  font-size: 14px;
  font-weight: 500;
}

.main-nav a {
  color: var(--gray-mid);
  transition: color 0.2s ease;
}

.main-nav a:hover, .main-nav a.active {
  color: var(--white);
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(41, 98, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(41, 98, 255, 0.45);
}

.btn-nav { white-space: nowrap; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--white);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Hero */
.hero {
  padding: 90px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(41,98,255,0.18) 0%, rgba(41,98,255,0) 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  position: relative;
}

.hero-eyebrow {
  display: inline-block;
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 1px;
  margin-bottom: 18px;
}

.hero-copy h1 {
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 20px;
  letter-spacing: -0.5px;
}

.hero-lead {
  color: var(--gray-mid);
  font-size: 17px;
  max-width: 460px;
  margin-bottom: 32px;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: 20px;
  background: linear-gradient(145deg, var(--navy-light), #0d2547);
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
  overflow: hidden;
}

.hero-card-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(41,98,255,0.35), transparent 60%);
}

.pillars {
  margin-top: 70px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 40px;
}

.pillar-icon {
  color: var(--accent);
  font-size: 20px;
  margin-bottom: 12px;
}

.pillar h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
}

.pillar p {
  margin: 0;
  color: var(--gray-mid);
  font-size: 14px;
}

/* Sections */
.section {
  padding: 90px 0;
}

.section-alt {
  background: var(--navy-light);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 50px;
}

.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 700;
  margin: 0 0 14px;
}

.section-lead {
  color: var(--gray-mid);
  font-size: 16px;
  margin: 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 28px 24px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.service-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--accent);
}

.service-card p {
  margin: 0;
  color: var(--gray-mid);
  font-size: 14px;
}

.cta-section {
  text-align: center;
}

.cta-inner h2 {
  font-size: clamp(24px, 3.5vw, 32px);
  margin: 0 0 28px;
  font-weight: 700;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: var(--gray-mid);
}

.footer-links a:hover { color: var(--white); }
.dot { color: var(--accent); }

.footer-tag {
  margin: 0;
  font-size: 14px;
  color: var(--gray-mid);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 360px; margin: 0 auto; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .pillars { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 768px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 20px 24px;
    gap: 18px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: none;
  }
  .main-nav.open { display: flex; }
  .menu-toggle { display: flex; }
  .btn-nav { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
}