:root {
  --navy-900: #050e1f;
  --navy-800: #0a1a33;
  --navy-700: #102a4c;
  --navy-600: #163964;
  --blue-500: #2563eb;
  --blue-400: #3b82f6;
  --blue-300: #60a5fa;
  --purple-500: #7c3aed;
  --purple-400: #8b5cf6;
  --ink: #ffffff;
  --ink-dim: #c2d2ec;
  --line: rgba(255, 255, 255, 0.10);
  --radius: 14px;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--navy-900);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }
.accent {
  background: linear-gradient(90deg, var(--blue-300), var(--purple-400));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h1, h2, h3 {
  font-family: "Space Grotesk", "Manrope", sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 1rem;
  color: #fff;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.75rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); font-weight: 600; margin-bottom: 1.25rem; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 1rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(5, 14, 31, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 1.5rem;
}
.brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; color: var(--ink); }
.brand-logo { height: 42px; width: auto; object-fit: contain; }
.brand-name { font-family: "Space Grotesk", sans-serif; font-weight: 600; font-size: 1.05rem; letter-spacing: 0.02em; }
.nav-links { display: flex; gap: 1.75rem; align-items: center; }
.nav-links a { color: var(--ink-dim); text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  padding: 0.5rem 1rem; border: 1px solid var(--blue-400);
  border-radius: 999px; color: #fff !important;
  background: rgba(37, 99, 235, 0.15);
}
.nav-cta:hover { background: var(--blue-500); }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(3.5rem, 8vw, 6rem) 0 clamp(3.5rem, 8vw, 6rem);
  background:
    radial-gradient(circle at 80% -10%, rgba(124, 58, 237, 0.28), transparent 55%),
    radial-gradient(circle at 10% 110%, rgba(37, 99, 235, 0.35), transparent 60%),
    var(--navy-900);
}
.hero-inner {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  text-align: center;
}
.hero-logo-wrap { display: flex; justify-content: center; }
.hero-logo {
  width: min(560px, 90%); height: auto;
  filter: drop-shadow(0 20px 60px rgba(96, 165, 250, 0.35))
          drop-shadow(0 0 40px rgba(139, 92, 246, 0.25));
}
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.78rem;
  color: var(--blue-300); font-weight: 600; margin-bottom: 1.25rem;
}
.lede {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--ink-dim); max-width: 720px; margin: 0 auto 2rem;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.85rem; justify-content: center; }

/* Buttons */
.btn {
  display: inline-block; padding: 0.85rem 1.5rem; border-radius: 999px;
  font-weight: 600; text-decoration: none; font-size: 0.98rem;
  transition: transform .15s ease, box-shadow .2s ease, background .2s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue-500), var(--purple-500));
  color: #fff;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 36px rgba(124, 58, 237, 0.5); }
.btn-ghost {
  color: var(--ink); border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
}
.btn-ghost:hover { border-color: var(--blue-300); }
.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; }

/* Sections */
.section { padding: clamp(3.5rem, 7vw, 5.5rem) 0; border-top: 1px solid var(--line); }
.section.alt { background: linear-gradient(180deg, var(--navy-800), var(--navy-900)); }
.section-lede { color: var(--ink-dim); font-size: 1.05rem; max-width: 760px; }

/* Cards */
.grid {
  display: grid; gap: 1.25rem; margin-top: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.card {
  background: linear-gradient(180deg, rgba(37,99,235,0.10), rgba(10,26,51,0.55));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: transform .2s ease, border-color .2s;
}
.card:hover { transform: translateY(-3px); border-color: rgba(139, 92, 246, 0.45); }
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--ink-dim); margin: 0; font-size: 0.97rem; }

/* Contact */
.contact-inner { text-align: center; max-width: 680px; margin: 0 auto; }
.contact-inner .section-lede { margin: 0 auto 2rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0; background: var(--navy-900);
}
.footer-inner {
  display: flex; flex-direction: column; align-items: center; gap: 0.9rem;
  color: var(--ink-dim); font-size: 0.9rem; text-align: center;
}
.footer-logo { height: 36px; width: auto; opacity: 0.9; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 720px) {
  .nav-links { gap: 1rem; }
  .nav-links a:not(.nav-cta) { display: none; }
}