:root {
  color-scheme: light;
  --ink: #10151d;
  --muted: #56616f;
  --faint: #768291;
  --line: #d8dee7;
  --surface: #ffffff;
  --surface-raised: #f6f8fb;
  --field: #111821;
  --energy: #6ea7ff;
  --violet: #8f70e8;
  --success: #227d55;
  --warning: #ad6b00;
  --max: 980px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--surface);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  line-height: 1.55;
}

body {
  margin: 0;
  min-width: 320px;
}

a {
  color: #225eab;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #173f73;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
}

.nav {
  align-items: center;
  display: flex;
  gap: 20px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--max);
  padding: 18px 22px;
}

.brand {
  align-items: center;
  color: var(--ink);
  display: inline-flex;
  font-weight: 750;
  gap: 12px;
  text-decoration: none;
}

.brand img {
  border-radius: 8px;
  display: block;
  height: 36px;
  width: 36px;
}

.nav-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
}

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

.hero {
  background:
    radial-gradient(circle at 18% 25%, rgba(110, 167, 255, 0.18), transparent 28%),
    linear-gradient(135deg, #f8fbff 0%, #ffffff 55%, #f6f7fb 100%);
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  align-items: center;
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(0, 1fr) 160px;
  margin: 0 auto;
  max-width: var(--max);
  min-height: 360px;
  padding: 54px 22px;
}

.hero h1 {
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  letter-spacing: 0;
  line-height: 0.96;
  margin: 0 0 18px;
}

.hero p {
  color: var(--muted);
  font-size: 1.15rem;
  margin: 0;
  max-width: 680px;
}

.hero-icon {
  border-radius: 24px;
  box-shadow: 0 22px 50px rgba(16, 21, 29, 0.22);
  height: 160px;
  width: 160px;
}

.content {
  margin: 0 auto;
  max-width: var(--max);
  padding: 42px 22px 64px;
}

.content.narrow {
  max-width: 820px;
}

.kicker {
  color: var(--success);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 10px;
  text-transform: uppercase;
}

.lede {
  color: var(--muted);
  font-size: 1.08rem;
}

.section-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 30px;
}

.feature {
  border-top: 3px solid var(--energy);
  padding-top: 14px;
}

.feature:nth-child(2) {
  border-top-color: var(--success);
}

.feature:nth-child(3) {
  border-top-color: var(--violet);
}

.feature h2,
.content h2 {
  font-size: 1.35rem;
  letter-spacing: 0;
  line-height: 1.2;
  margin: 0 0 10px;
}

.content h3 {
  font-size: 1.05rem;
  letter-spacing: 0;
  margin: 28px 0 8px;
}

.feature p,
.content p,
.content li {
  color: var(--muted);
}

.content ul {
  padding-left: 1.2rem;
}

.meta {
  color: var(--faint);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.callout {
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 24px 0;
  padding: 18px;
}

.callout p {
  margin: 0;
}

.contact-link {
  font-size: 1.08rem;
  font-weight: 750;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.9rem;
}

.footer-inner {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--max);
  padding: 24px 22px;
}

.footer-links {
  display: flex;
  gap: 14px;
}

@media (max-width: 720px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-top: 40px;
  }

  .hero-icon {
    height: 112px;
    width: 112px;
  }

  .section-grid {
    grid-template-columns: 1fr;
  }
}