:root {
  --bg: #0f172a;
  --bg-soft: #111827;
  --surface: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #22c55e;
  --accent-hover: #16a34a;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  scroll-behavior: smooth;
}

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

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid #263247;
  z-index: 10;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.4px;
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  color: var(--muted);
}

nav a:hover {
  color: var(--text);
}

.hero {
  padding: 5rem 0 4rem;
  background: radial-gradient(circle at top right, #1e3a8a 0%, var(--bg) 60%);
}

.badge {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid #334155;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.9rem;
}

h1 {
  font-size: clamp(1.8rem, 5vw, 3rem);
  margin: 0 0 1rem;
  line-height: 1.2;
}

.lead {
  color: var(--muted);
  max-width: 62ch;
  margin-bottom: 1.8rem;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #052e16;
  font-weight: 700;
  padding: 0.8rem 1.1rem;
  border-radius: 0.6rem;
}

.cta:hover {
  background: var(--accent-hover);
}

.section {
  padding: 4rem 0;
}

.section.alt {
  background: var(--bg-soft);
}

h2 {
  margin: 0 0 1rem;
  font-size: 1.8rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.4rem;
}

.card {
  background: var(--surface);
  border: 1px solid #334155;
  border-radius: 0.75rem;
  padding: 1rem;
}

.card h3 {
  margin-top: 0;
}

.card p,
.section p {
  color: var(--muted);
  line-height: 1.6;
}

.mail {
  color: #93c5fd;
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid #263247;
  padding: 1.25rem 0;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
}

@media (max-width: 640px) {
  nav {
    font-size: 0.95rem;
    gap: 0.7rem;
  }
}