:root {
  --navy-950: #061529;
  --navy-900: #0b2545;
  --navy-800: #123566;
  --navy-700: #1a4680;
  --blue-500: #13a4ec;
  --blue-400: #4dc0f5;
  --ink: #0b2545;
  --muted: #5b6b82;
  --paper: #ffffff;
  --paper-soft: #f4f7fb;
  --border: #e2e8f0;
  --shadow: 0 10px 30px rgba(11, 37, 69, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-500);
  margin-bottom: 12px;
}
.eyebrow.center { display: block; text-align: center; }

.section-title {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.section-title.center { text-align: center; max-width: 700px; margin-left: auto; margin-right: auto; }

.section-sub {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 560px;
}
.section-sub.center { text-align: center; margin-left: auto; margin-right: auto; margin-bottom: 48px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--blue-500);
  color: #fff;
}
.btn-primary:hover { background: var(--blue-400); transform: translateY(-2px); }
.btn-ghost {
  border-color: rgba(255,255,255,0.35);
  color: #fff;
}
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn-large { padding: 16px 34px; font-size: 1.05rem; }
.btn-nav {
  background: var(--navy-900);
  color: #fff;
  padding: 10px 20px;
  font-size: 0.9rem;
}
.btn-nav:hover { background: var(--navy-700); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--navy-900);
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo span {
  font-weight: 500;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--blue-500);
}
.nav {
  display: flex;
  gap: 36px;
  font-weight: 500;
  font-size: 0.95rem;
}
.nav a { color: var(--navy-900); opacity: 0.8; transition: opacity 0.2s; }
.nav a:hover { opacity: 1; color: var(--blue-500); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--navy-900);
  display: block;
}
.nav-mobile {
  display: none;
  flex-direction: column;
  background: #fff;
  border-top: 1px solid var(--border);
}
.nav-mobile a {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}
.nav-mobile.open { display: flex; }

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--navy-950), var(--navy-900) 60%, var(--navy-800));
  color: #fff;
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(19,164,236,0.25), transparent 70%);
}
.hero-inner { position: relative; max-width: 760px; }
.hero .eyebrow { color: var(--blue-400); }
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin-bottom: 22px;
}
.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.78);
  max-width: 620px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Strip */
.strip {
  background: var(--paper-soft);
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}
.strip-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 28px;
}
.strip-item {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy-800);
  opacity: 0.7;
  letter-spacing: 0.02em;
}

/* Services */
.services { padding: 100px 0; }
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(11, 37, 69, 0.12);
}
.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--navy-900);
  color: var(--blue-400);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 20px;
}
.card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.95rem; }

/* About */
.about { background: var(--paper-soft); padding: 100px 0; }
.about-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text p { color: var(--muted); margin-bottom: 16px; max-width: 560px; }
.about-stats {
  display: grid;
  gap: 24px;
}
.stat {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 28px;
  box-shadow: var(--shadow);
}
.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy-900);
}
.stat-label { color: var(--muted); font-size: 0.9rem; }

/* CTA */
.cta {
  background: linear-gradient(160deg, var(--navy-900), var(--navy-950));
  color: #fff;
  padding: 100px 0;
}
.cta .section-title.center { color: #fff; }
.cta .section-sub.center { color: rgba(255,255,255,0.7); }
.cta-inner { display: flex; flex-direction: column; align-items: center; }

/* Footer */
.site-footer {
  background: var(--navy-950);
  color: rgba(255,255,255,0.6);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.85rem;
}
.footer-logo { color: #fff; }
.footer-logo span { color: var(--blue-400); }
.site-footer a:hover { color: var(--blue-400); }

/* Responsive */
@media (max-width: 860px) {
  .nav { display: none; }
  .btn-nav { display: none; }
  .nav-toggle { display: flex; }
  .about-inner { grid-template-columns: 1fr; }
  .hero { padding: 90px 0 70px; }
}