:root {
  color-scheme: light dark;
  --blue: #3157d5;
  --blue-dark: #1f3aa1;
  --cyan: #08a8dc;
  --ink: #14203b;
  --muted: #5b6680;
  --surface: #ffffff;
  --soft: #eef3ff;
  --line: #dce3f2;
  --success: #127a55;
  --shadow: 0 18px 50px rgba(35, 58, 126, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #f7f9ff 0, #fff 36rem);
  line-height: 1.6;
}
a { color: var(--blue-dark); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
img { max-width: 100%; }
.skip-link { position: absolute; left: -9999px; top: 0; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 10; background: var(--surface); padding: .7rem 1rem; }
.wrap { width: min(1120px, calc(100% - 2rem)); margin-inline: auto; }
header { position: sticky; top: 0; z-index: 5; border-bottom: 1px solid rgba(220, 227, 242, .8); background: rgba(255, 255, 255, .92); backdrop-filter: blur(16px); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; color: var(--ink); text-decoration: none; font-weight: 800; }
.brand img { width: 42px; height: 42px; }
.nav-links { display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; }
.nav-links a { padding: .55rem .7rem; color: var(--ink); text-decoration: none; border-radius: 10px; font-size: .94rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { background: var(--soft); color: var(--blue-dark); }
main { min-height: 60vh; }
.hero { padding: 6.5rem 0 5rem; display: grid; grid-template-columns: 1.25fr .75fr; gap: 3rem; align-items: center; }
.eyebrow { color: var(--blue); font-size: .82rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.025em; }
h1 { margin: .7rem 0 1rem; font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { margin-top: 0; font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: 1.18rem; }
.lead { max-width: 68ch; color: var(--muted); font-size: 1.15rem; }
.actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1.7rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: .7rem 1.1rem; border-radius: 12px; text-decoration: none; font-weight: 750; background: var(--blue); color: #fff; }
.button.secondary { background: var(--surface); color: var(--blue-dark); border: 1px solid var(--line); }
.hero-card, .card, .price-card, .notice { border: 1px solid var(--line); background: var(--surface); border-radius: 22px; box-shadow: var(--shadow); }
.hero-card { padding: 2rem; }
.signal { display: grid; place-items: center; width: 160px; height: 160px; margin: 0 auto 1.5rem; border-radius: 50%; background: radial-gradient(circle, rgba(49,87,213,.22) 0 30%, rgba(49,87,213,.1) 31% 52%, rgba(49,87,213,.04) 53% 72%, transparent 73%); }
.signal img { width: 78px; height: 78px; }
.status { display: inline-flex; gap: .5rem; align-items: center; color: var(--success); font-weight: 750; }
.status::before { content: ""; width: .65rem; height: .65rem; border-radius: 50%; background: currentColor; }
.section { padding: 4.5rem 0; }
.section.soft { background: var(--soft); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.card, .price-card { padding: 1.5rem; box-shadow: none; }
.card p, .price-card p { color: var(--muted); }
.price { font-size: 2rem; font-weight: 850; color: var(--blue-dark); }
.price small { font-size: .9rem; color: var(--muted); font-weight: 600; }
.checklist { padding-left: 1.2rem; }
.checklist li { margin: .45rem 0; }
.notice { padding: 1.2rem 1.4rem; border-left: 5px solid var(--cyan); box-shadow: none; }
.page-hero { padding: 4.5rem 0 2.5rem; }
.content { max-width: 820px; padding-bottom: 5rem; }
.content h2 { margin-top: 2.7rem; font-size: 1.7rem; }
.content h3 { margin-top: 2rem; }
.meta { color: var(--muted); font-size: .9rem; }
footer { border-top: 1px solid var(--line); padding: 2.5rem 0; background: var(--surface); }
.footer-grid { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; }
.footer-links a { color: var(--muted); }

@media (max-width: 780px) {
  .nav { align-items: flex-start; padding: .8rem 0; }
  .nav-links { justify-content: flex-end; }
  .hero { grid-template-columns: 1fr; padding-top: 4rem; }
  .grid, .grid.two { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .nav { display: block; }
  .nav-links { margin-top: .7rem; justify-content: flex-start; }
  .nav-links a { padding-left: 0; margin-right: .6rem; }
  h1 { font-size: 2.55rem; }
}

@media (prefers-color-scheme: dark) {
  :root { --ink: #eef3ff; --muted: #b4bfd7; --surface: #11182a; --soft: #17223b; --line: #2d3954; --blue: #89a4ff; --blue-dark: #b7c6ff; --shadow: 0 18px 50px rgba(0,0,0,.28); }
  body { background: linear-gradient(180deg, #0d1424 0, #101625 36rem); }
  header { background: rgba(13, 20, 36, .92); }
  .button { color: #071027; background: #9ab0ff; }
  .button.secondary { color: var(--ink); }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }