:root {
  --bg: #0b1020;
  --panel: #121932;
  --panel-soft: #151f3f;
  --text: #e9eefc;
  --muted: #a8b3d1;
  --accent: #8fb3ff;
  --accent-strong: #6f95ff;
  --line: rgba(255, 255, 255, 0.1);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.25);
  --radius: 18px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #0b1020 0%, #0f1730 100%);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(11, 16, 32, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav,
.footer-row,
.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav {
  min-height: 72px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 1rem;
}

nav a:hover,
nav a:focus,
.button.secondary:hover {
  color: var(--text);
}

.hero,
.section {
  padding: 5rem 0;
}

.hero-grid,
.grid.two,
.grid.three,
.steps {
  display: grid;
  gap: 1.5rem;
}

.hero-grid,
.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three,
.steps {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hero h1,
.section h2 {
  line-height: 1.1;
  margin: 0 0 1rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 5vw, 4.8rem);
  max-width: 12ch;
}

.section h2 {
  font-size: clamp(2rem, 3vw, 3rem);
}

.lede,
.section-heading p,
.card p,
.card li,
summary,
.microcopy {
  color: var(--muted);
}

.lede {
  font-size: 1.1rem;
  max-width: 60ch;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.9rem 1.2rem;
  text-decoration: none;
  font-weight: 700;
  transition: 160ms ease;
}

.button.primary {
  background: var(--accent-strong);
  color: white;
}

.button.primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.button.secondary {
  border: 1px solid var(--line);
  color: var(--text);
}

.card {
  background: rgba(18, 25, 50, 0.85);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow);
}

.hero-card ul,
.card ul {
  padding-left: 1.2rem;
  margin-bottom: 0;
}

.muted {
  background: rgba(255, 255, 255, 0.02);
}

.section-heading {
  margin-bottom: 2rem;
}

.section-heading.narrow,
.narrow {
  max-width: 760px;
}

.step span {
  display: inline-flex;
  width: 2.1rem;
  height: 2.1rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(143, 179, 255, 0.16);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.faq-list {
  display: grid;
  gap: 1rem;
}

details summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--text);
}

.cta-section {
  padding-top: 2rem;
}

.site-footer {
  padding: 2rem 0 3rem;
  color: var(--muted);
}

@media (max-width: 860px) {
  .hero-grid,
  .grid.two,
  .grid.three,
  .steps,
  .nav,
  .footer-row,
  .cta {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  nav a {
    margin: 0 1rem 0 0;
  }

  .hero,
  .section {
    padding: 4rem 0;
  }
}