:root {
  color-scheme: light;
  --bg: #ffffff;
  --ink: #061b31;
  --muted: #64748d;
  --label: #273951;
  --line: #e5edf5;
  --soft: #f6f9fc;
  --purple: #533afd;
  --purple-dark: #4434d4;
  --indigo: #1c1e54;
  --magenta: #f96bee;
  --ruby: #ea2261;
  --green: #15be53;
  --shadow: rgba(50, 50, 93, 0.25) 0 30px 45px -30px, rgba(0, 0, 0, 0.1) 0 18px 36px -18px;
  --ambient: rgba(23, 23, 23, 0.08) 0 15px 35px 0;
  --shell: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 8%, rgba(249, 107, 238, 0.16), transparent 28rem),
    radial-gradient(circle at 12% 18%, rgba(83, 58, 253, 0.10), transparent 24rem),
    var(--bg);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

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

a:hover { color: var(--purple); }

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

h1, h2, h3 { margin: 0; color: var(--ink); letter-spacing: -0.035em; line-height: 1.06; font-weight: 450; }

h1 { font-size: clamp(3rem, 8vw, 5.9rem); max-width: 11ch; }

h2 { font-size: clamp(2rem, 4.8vw, 3.65rem); }

h3 { font-size: 1.35rem; letter-spacing: -0.02em; }

.shell { width: min(calc(100% - 40px), var(--shell)); margin: 0 auto; }

.section { padding: 88px 0; }

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 20;
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 4px;
}

.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(229, 237, 245, 0.8);
}

.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 650; letter-spacing: -0.02em; }

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 28px;
  color: #fff;
  background: linear-gradient(135deg, var(--purple), var(--ruby));
  border-radius: 4px;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.nav-links { display: flex; align-items: center; gap: 26px; color: var(--label); font-size: 0.95rem; }

.hero { display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(320px, 0.72fr); gap: 56px; align-items: center; padding-top: 92px; }

.hero-header-art {
  grid-column: 1 / -1;
  overflow: hidden;
  border: 1px solid rgba(229, 237, 245, 0.9);
  border-radius: 12px;
  background: #f8fbff;
  box-shadow: var(--shadow);
}

.hero-header-art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.hero-copy { display: grid; gap: 26px; }

.eyebrow {
  color: var(--purple);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.13em;
  font-weight: 700;
}

.eyebrow.inverted { color: #b9b9f9; }

.lede { max-width: 690px; font-size: clamp(1.15rem, 2.5vw, 1.45rem); line-height: 1.35; }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 18px;
  border-radius: 5px;
  font-weight: 650;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

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

.button:focus-visible, a:focus-visible { outline: 3px solid rgba(83, 58, 253, 0.35); outline-offset: 3px; }

.button.primary { background: var(--purple); color: #fff; box-shadow: var(--shadow); }

.button.primary:hover { background: var(--purple-dark); color: #fff; }

.button.secondary { color: var(--purple); border: 1px solid #b9b9f9; background: rgba(255, 255, 255, 0.8); }

.hero-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 18px 22px 22px;
  position: relative;
  overflow: hidden;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(90deg, var(--purple), var(--ruby), var(--magenta));
}

.panel-topline { display: flex; justify-content: space-between; gap: 12px; color: var(--label); font-size: 0.86rem; font-weight: 700; margin-bottom: 16px; }

.roadmap-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }

.roadmap-list li { display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 16px 0; border-top: 1px solid var(--line); }

.roadmap-list span { color: var(--purple); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.82rem; }

.roadmap-list strong { display: block; color: var(--ink); line-height: 1.2; grid-column: 2; }

.roadmap-list small { display: block; color: var(--muted); margin-top: 4px; font-size: 0.92rem; line-height: 1.4; grid-column: 2; }

.split-section { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 56px; align-items: start; }

.content-stack { display: grid; gap: 28px; }

.content-stack > p { font-size: 1.1rem; }

.cards { display: grid; gap: 18px; }

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

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

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  box-shadow: rgba(23, 23, 23, 0.06) 0 3px 12px;
}

.card p { margin-top: 12px; }

.dark-band { background: var(--indigo); color: #fff; position: relative; overflow: hidden; }

.dark-band::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -140px;
  top: -150px;
  background: radial-gradient(circle, rgba(249, 107, 238, 0.34), transparent 62%);
}

.band-grid { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 44px; position: relative; z-index: 1; }

.dark-band h2, .dark-band h3 { color: #fff; }

.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }

.feature-grid article { border: 1px solid rgba(255, 255, 255, 0.13); border-radius: 8px; padding: 22px; background: rgba(255, 255, 255, 0.055); }

.feature-grid p { margin-top: 10px; color: rgba(255, 255, 255, 0.72); }

.section-heading { display: grid; gap: 14px; margin-bottom: 30px; }

.narrow { max-width: 700px; }

.guide-card { min-height: 236px; display: flex; flex-direction: column; align-items: flex-start; }

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  margin-bottom: 18px;
  padding: 3px 8px;
  border-radius: 4px;
  color: #108c3d;
  background: rgba(21, 190, 83, 0.14);
  border: 1px solid rgba(21, 190, 83, 0.28);
  font-size: 0.78rem;
  font-weight: 700;
}

.checklist-section { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: 48px; }

.checklist-intro { display: grid; gap: 14px; align-self: start; position: sticky; top: 110px; }

.checklist { display: grid; gap: 12px; }

.checklist div {
  display: grid;
  gap: 6px;
  padding: 18px 0 18px 24px;
  border-left: 2px solid #d6d9fc;
}

.checklist strong { color: var(--ink); font-size: 1.08rem; }

.checklist span { color: var(--muted); }

.inquiry-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--ambient);
  padding: 34px;
  margin-bottom: 82px;
}

.inquiry-panel p { margin-top: 12px; max-width: 760px; }

.footer { border-top: 1px solid var(--line); padding: 34px 0; background: #fff; }

.footer-grid { display: flex; justify-content: space-between; align-items: center; gap: 24px; }

.footer-brand { margin-bottom: 10px; }

.footer-links { display: flex; flex-wrap: wrap; gap: 18px; color: var(--label); }

@media (max-width: 860px) {
  .nav { align-items: flex-start; flex-direction: column; padding: 18px 0; }
  .nav-links { width: 100%; overflow-x: auto; gap: 18px; padding-bottom: 4px; }
  .hero, .split-section, .band-grid, .checklist-section, .inquiry-panel { grid-template-columns: 1fr; }
  .hero { padding-top: 64px; }
  .two-col, .three-col, .feature-grid { grid-template-columns: 1fr; }
  .checklist-intro { position: static; }
  .inquiry-panel { width: min(calc(100% - 40px), var(--shell)); }
  .footer-grid { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 520px) {
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .section { padding: 62px 0; }
  .hero-panel, .card, .feature-grid article, .inquiry-panel { padding: 20px; }
  .roadmap-list li { grid-template-columns: 1fr; gap: 6px; }
  .roadmap-list strong, .roadmap-list small { grid-column: 1; }
  .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}