:root {
  --bg: #050b1f; --text: #edf3ff; --muted: #a2b1cf; --accent: #69b5ff; --line: rgba(147, 180, 236, .17);
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  scroll-padding-top: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-size: 16px; line-height: 1.65; }
a { color: var(--accent); text-underline-offset: .2em; }
a:hover { color: #b7dbff; }
a:focus-visible, summary:focus-visible { outline: 2px solid #8dc8ff; outline-offset: 6px; border-radius: 4px; }
canvas#particles { position: fixed; inset: 0; z-index: 0; width: 100%; height: 100%; pointer-events: none; background: radial-gradient(circle at center, #0a0f2c 0%, #040818 100%); }
.container { position: relative; z-index: 1; width: min(100% - 64px, 1040px); margin: 0 auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 5; background: var(--bg); padding: 10px 18px; }
.skip-link:focus { top: 16px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 108px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-size: 20px; font-weight: 650; letter-spacing: -.6px; text-decoration: none; white-space: nowrap; }
.brand img { display: block; flex-shrink: 0; }
nav { display: flex; flex-wrap: wrap; gap: 24px; font-size: 13px; }
nav a { color: var(--muted); text-decoration: none; }
.intro { padding: 72px 0 60px; max-width: 850px; }
.eyebrow { margin: 0 0 16px; color: var(--accent); font-size: 12px; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.15; }
h1 { margin: 0 0 28px; font-size: clamp(42px, 6.5vw, 74px); font-weight: 650; letter-spacing: -.055em; }
h1 span { color: #8dc8ff; }
.lead { max-width: 675px; margin: 0 0 30px; color: #c7d3e9; font-size: 19px; line-height: 1.7; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 26px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 18px; min-height: 48px; padding: 12px 20px; border: 1px solid rgba(143, 195, 255, .35); border-radius: 10px; background: #2165df; color: #fff; font-size: 15px; font-weight: 650; text-decoration: none; transition: background .2s; }
.button:hover { background: #2c76ef; color: #fff; }
.text-link { color: var(--text); font-size: 14px; text-decoration: none; }
.facts { display: flex; flex-wrap: wrap; gap: 12px 28px; margin: 34px 0 0; padding: 24px 0 0; border-top: 1px solid var(--line); list-style: none; color: var(--muted); font-size: 13px; }
.facts strong { color: #d4e5ff; font-weight: 600; }
.panel { margin-bottom: 24px; padding: 32px; border: 1px solid var(--line); border-radius: 18px; background: rgba(8, 19, 45, .9); }
.section-heading { margin-bottom: 26px; }
.section-heading .eyebrow { margin-bottom: 10px; }
h2 { margin: 0; font-size: clamp(24px, 3vw, 32px); font-weight: 600; letter-spacing: -.035em; }
.steps { display: grid; gap: 24px; margin: 0; padding: 0; list-style: none; }
.steps li { display: flex; align-items: flex-start; gap: 20px; }
.step-number { display: grid; place-items: center; flex: 0 0 40px; height: 40px; border: 1px solid #284c80; border-radius: 10px; color: #91c7ff; background: #10274a; font-size: 13px; font-weight: 650; }
h3 { margin: 0 0 6px; font-size: 17px; font-weight: 600; }
.steps p { margin: 0; color: var(--muted); font-size: 15px; }
b { color: #d6e4fa; font-weight: 600; }
.section-note { margin: 26px 0 0; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.plans { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.plan { padding: 22px 20px; background: rgba(37, 80, 145, .09); }
.plan + .plan { border-left: 1px solid var(--line); }
.plan h3 { font-size: 27px; letter-spacing: -.03em; }
.plan h3 span { font-size: 14px; color: var(--muted); font-weight: 400; letter-spacing: 0; }
.plan p { margin: 10px 0 0; color: var(--muted); font-size: 14px; }
.plan strong { color: #8dc8ff; font-size: 20px; font-weight: 600; }
.plan-note { margin: 12px 0 22px; color: var(--muted); font-size: 12px; }
.conditions { display: grid; gap: 8px; margin: 0 0 24px; padding-left: 20px; color: #b6c5de; font-size: 14px; }
.conditions li::marker { color: #5ca6f5; }
details { padding: 16px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
details:first-of-type { margin-top: 28px; }
details:last-child { padding-bottom: 0; }
summary { color: #cfdef4; cursor: pointer; }
details p { margin: 14px 0 0; }
.download-links { padding-left: 20px; }
.download-links li + li { margin-top: 8px; }
footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 32px 0 40px; }
.footer-brand { font-size: 15px; letter-spacing: -.3px; }
footer p { margin: 0; color: var(--muted); font-size: 12px; }
.footer-links { display: flex; gap: 20px; font-size: 12px; }
.footer-links a { text-decoration: none; }
@media (max-width: 740px) {
  .container { width: min(100% - 36px, 1040px); }
  .site-header { flex-direction: column; align-items: flex-start; gap: 18px; padding: 24px 0; }
  nav { gap: 18px; font-size: 12px; }
  .intro { padding: 42px 0 36px; }
  .lead { font-size: 17px; }
  .panel { padding: 24px; }
  .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plan { padding: 20px; }
  .plan:nth-child(3) { border-left: 0; }
  .plan:nth-child(n+3) { border-top: 1px solid var(--line); }
  footer { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 380px) {
  .panel { padding: 20px 16px; }
  .steps li { gap: 12px; }
  .brand { font-size: 18px; }
  .button { width: 100%; gap: 10px; font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}