*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f3f4f6;
  color: #111827;
  line-height: 1.6;
}

a {
  color: #0f766e;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  background: #020617;
  color: #f9fafb;
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

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

.logo {
  font-weight: 700;
  font-size: 1.25rem;
}

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

.nav-link {
  color: #e5e7eb;
  font-size: 0.95rem;
  padding: 0.35rem 0.5rem;
  border-radius: 999px;
}

.nav-link:hover {
  background: rgba(148, 163, 184, 0.25);
}

.nav-link.active {
  background: #0bb6ff;
  color: #ecfeff;
}

.hero {
  background: radial-gradient(circle at top left, #1f2937, #020617);
  color: #f9fafb;
}

.hero-small {
  min-height: 300px;   /* adjust as desired */
  display: flex;
  align-items: center; /* vertically center content */
}

.hero-inner {
  max-width: 800px;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.hero-tagline {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: #e5e7eb;
}

.hero-body {
  color: #cbd5f5;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  border: none;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: #0ea5e9;
  color: #0f172a;
}

.btn-primary:hover {
  background: #38bdf8;
}

.btn-secondary {
  background: #1f2937;
  color: #e5e7eb;
}

.btn-secondary:hover {
  background: #111827;
}

.section {
  padding: 3.5rem 0;
}

.section-title {
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
}

.section-intro {
  max-width: 720px;
  margin-bottom: 1.75rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.card {
  background: #ffffff;
  border-radius: 1rem;
  padding: 1.5rem 1.4rem;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.05);
}

.card {
  background: #f9fafb;
}

.card h3,
.card h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.card p {
  margin: 0.25rem 0 0.25rem;
}

.list {
  padding-left: 1.1rem;
}

.list li {
  margin-bottom: 0.35rem;
}

.section-callout {
  margin-top: 3rem;
  padding: 2rem 1.5rem;
  border-radius: 1rem;
  background: #0f172a;
  color: #e5e7eb;
}

.section-callout h2 {
  margin-top: 0;
}

.section-callout a {
  color: #0bb6ff;
}

.contrast-color {
  color: #0bb6ff;
}

.site-footer {
  background: #020617;
  color: #9ca3af;
  padding: 1.75rem 0;
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.9rem;
}

.footer-contact a {
  color: #e5e7eb;
}

@media (max-width: 640px) {
  .hero {
    padding: 3rem 0 2.75rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .nav {
    gap: 0.5rem;
  }

  .nav-link {
    font-size: 0.85rem;
  }
}