:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  background: linear-gradient(180deg, #0b1020 0%, #10182e 45%, #0b1020 100%);
  color: #e6ebff;
}

.container {
  width: min(1120px, calc(100% - 3rem));
  margin: 0 auto;
}

.surface {
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
}

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

.site-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 0;
}

.brand {
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  color: #cbd5e1;
  font-size: 0.95rem;
}

.nav-list a:hover,
.nav-list .active {
  color: #fff;
}

main section {
  padding: 3.3rem 0;
}

.hero {
  padding: 5.8rem 0 4.2rem;
}

.eyebrow {
  display: inline-block;
  border: 1px solid rgba(152, 182, 255, 0.5);
  background: rgba(79, 116, 255, 0.13);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #dbe7ff;
}

h1 {
  margin: 1.1rem 0 0;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.15;
  color: #fff;
}

h2 {
  margin: 0;
  font-size: clamp(1.45rem, 2vw, 2rem);
  color: #fff;
}

h3 {
  margin: 0;
  color: #fff;
  font-size: 1.1rem;
}

p {
  line-height: 1.68;
  color: #cbd5e1;
}

.lead {
  max-width: 850px;
  margin-top: 1.15rem;
  font-size: 1.06rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.btn {
  border-radius: 12px;
  padding: 0.75rem 1.1rem;
  font-size: 0.92rem;
  font-weight: 500;
  display: inline-flex;
}

.btn-primary {
  background: #4f74ff;
  color: #fff;
}

.btn-primary:hover {
  background: #6b92ff;
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #e2e8f0;
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}

.card-grid {
  margin-top: 1.4rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 1.2rem;
}

.card p {
  margin: 0.6rem 0 0;
  font-size: 0.95rem;
}

.split {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.list {
  margin: 0.9rem 0 0;
  padding-left: 1.1rem;
  color: #cbd5e1;
}

.list li {
  margin: 0.55rem 0;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem 0;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
  color: #94a3b8;
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .split,
  .card-grid {
    grid-template-columns: 1fr;
  }
}