:root {
  color-scheme: dark;
  --bg: #070b17;
  --bg-alt: #0b1020;
  --surface: #111832;
  --surface-soft: #151f3f;
  --text: #e7ecff;
  --text-muted: #b4bfdc;
  --line: #26305a;
  --accent: #7aa2ff;
  --accent-strong: #98b7ff;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(1200px 700px at 80% -10%, #152144 0%, var(--bg) 55%);
  color: var(--text);
  font-family: "Segoe UI", Inter, Roboto, Arial, sans-serif;
  line-height: 1.55;
}

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

.container {
  width: min(var(--max-width), 92vw);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in oklab, var(--bg) 88%, black 12%);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

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

.brand {
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

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

.hero {
  position: relative;
  padding: 6rem 0 4rem;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.eyebrow {
  margin: 0;
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-strong);
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  margin-top: 0.45rem;
}

h2 {
  font-size: clamp(1.35rem, 2.2vw, 2rem);
}

h3 {
  font-size: 1.05rem;
}

p {
  margin: 0 0 0.9rem;
  color: var(--text-muted);
}

.lead {
  font-size: 1.08rem;
  max-width: 65ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.3rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in oklab, var(--accent) 70%, white 30%);
  background: linear-gradient(180deg, #365db5, #244489);
  color: #f4f7ff;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  transition: transform 120ms ease, filter 120ms ease;
}

.button:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
}

.button-small {
  padding: 0.52rem 0.9rem;
  font-size: 0.9rem;
}

.button-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background-image:
    linear-gradient(to right, rgba(122, 162, 255, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(122, 162, 255, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(80% 70% at 50% 20%, black 48%, transparent 100%);
}

.section {
  padding: 3.2rem 0;
}

.section-alt {
  background: color-mix(in oklab, var(--bg-alt) 85%, black 15%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.cards {
  display: grid;
  gap: 1rem;
  margin-top: 1.1rem;
}

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

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

.card {
  background: linear-gradient(180deg, color-mix(in oklab, var(--surface) 90%, black 10%), var(--surface-soft));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
}

.card ul {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
  color: var(--text-muted);
}

.cta-band {
  padding-top: 2.5rem;
}

.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, #121a34, #0f1530);
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 2rem;
}

.footer-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .three-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .header-inner {
    flex-wrap: wrap;
    justify-content: center;
    padding: 0.65rem 0;
  }
}

@media (max-width: 700px) {
  .two-col,
  .three-col {
    grid-template-columns: 1fr;
  }

  .nav {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .cta-band-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}