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

html, body {
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: #1f2933;
  background: #f5f7fa;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header & Nav */
header {
  background: #0b1120;
  color: #f9fafb;
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 20;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 2px solid rgba(255,255,255,0.35);
  background: radial-gradient(circle at 30% 30%, #38bdf8, #6366f1 40%, #0b1120);
  box-shadow: 0 0 20px rgba(99,102,241,0.65);
}

.brand h1 {
  font-size: 1.3rem;
  font-weight: 700;
}

.pill {
  font-size: 0.75rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.7);
  color: #e5e7eb;
}

.menu {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.9rem;
}

.menu a {
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  color: #e5e7eb;
  white-space: nowrap;
}

.menu a:hover {
  background: rgba(148,163,184,0.22);
  text-decoration: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #6366f1, #38bdf8);
  color: #f9fafb;
  font-weight: 500;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(15,23,42,0.45);
}

.btn:hover {
  filter: brightness(1.05);
  text-decoration: none;
}

/* Hero */
.hero {
  background: radial-gradient(circle at top, #e0f2fe 0, #f5f7fa 52%);
  padding: 3.5rem 0 2.5rem;
}

.hero h2 {
  font-size: 1.9rem;
  margin-bottom: 0.75rem;
  color: #0f172a;
}

.hero p {
  max-width: 42rem;
  margin-bottom: 0.5rem;
  color: #4b5563;
}

.kicker {
  display: inline-flex;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: #6b7280;
  margin-bottom: 0.35rem;
}

/* Layout / sections */
main section {
  padding: 2.5rem 0;
}

.grid {
  display: grid;
  gap: 1.25rem;
}

.cols-2 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.cols-3 {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

/* Cards */
.card {
  background: #ffffff;
  border-radius: 0.9rem;
  padding: 1.25rem 1.35rem;
  box-shadow: 0 12px 30px rgba(15,23,42,0.06);
  border: 1px solid rgba(148,163,184,0.35);
}

.card h3 {
  margin-bottom: 0.45rem;
  font-size: 1.05rem;
  color: #111827;
}

.card p {
  font-size: 0.92rem;
  color: #4b5563;
}

.card ul {
  padding-left: 1.1rem;
  margin-top: 0.25rem;
}

.card li {
  font-size: 0.9rem;
  color: #4b5563;
  margin-bottom: 0.2rem;
}

/* Contact */
.contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.note {
  font-size: 0.9rem;
  color: #6b7280;
}

/* Footer */
footer {
  padding: 1.5rem 0 2rem;
  background: #0b1120;
  color: #9ca3af;
  margin-top: 1.5rem;
}

footer .note a {
  color: #e5e7eb;
}

/* Responsive */
@media (max-width: 720px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }
  .menu {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .hero {
    padding-top: 2.5rem;
  }
  .hero h2 {
    font-size: 1.5rem;
  }
}