:root {
  --blue: #18a8ff;
  --blue-bright: #69caff;
  --ink: #05080d;
  --panel: #0b111a;
  --panel-soft: #101a27;
  --text: #f7fbff;
  --muted: #a8b6c7;
  --line: rgba(105, 202, 255, .26);
  --green: #7dff8c;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 80% 12%, rgba(24,168,255,.14), transparent 34rem),
    linear-gradient(140deg, #030507 0%, #07101a 48%, #030507 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .055;
  background-image:
    linear-gradient(45deg, #fff 25%, transparent 25%),
    linear-gradient(-45deg, #fff 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #fff 75%),
    linear-gradient(-45deg, transparent 75%, #fff 75%);
  background-size: 28px 28px;
  background-position: 0 0, 0 14px, 14px -14px, -14px 0;
}

a { color: var(--blue-bright); }
a:hover { color: #fff; }

.shell { width: min(1120px, calc(100% - 36px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(3, 7, 12, .88);
  backdrop-filter: blur(14px);
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: -.035em;
  font-size: 1.4rem;
}

.brand-k {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(105,202,255,.82);
  border-radius: 11px;
  color: #fff;
  background: linear-gradient(145deg, #21b4ff, #0059d6 62%, #03265d);
  box-shadow: 0 0 24px rgba(24,168,255,.35), inset 0 1px 0 rgba(255,255,255,.5);
  font-style: italic;
  font-size: 1.55rem;
}

.brand-hub { color: var(--blue-bright); }

.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: #dce9f6; text-decoration: none; font-weight: 700; font-size: .94rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--blue-bright); }

.hero {
  min-height: 640px;
  display: grid;
  grid-template-columns: 1.18fr .82fr;
  align-items: center;
  gap: 72px;
  padding: 92px 0 78px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--blue-bright);
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-size: .78rem;
}

h1, h2, h3 { line-height: 1.08; }
h1 { margin: 0; max-width: 820px; font-size: clamp(3rem, 8vw, 6.6rem); letter-spacing: -.07em; }
h1 span { color: var(--blue-bright); text-shadow: 0 0 32px rgba(24,168,255,.32); }

.lede { max-width: 660px; margin: 26px 0 0; color: #c7d4e2; font-size: clamp(1.05rem, 2vw, 1.3rem); }

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid rgba(105,202,255,.85);
  border-radius: 999px;
  color: #fff;
  text-decoration: none;
  font-weight: 900;
  background: linear-gradient(135deg, #109eea, #005bd8);
  box-shadow: 0 0 30px rgba(24,168,255,.22);
}

.button.secondary { color: #dbe9f6; background: rgba(255,255,255,.03); border-color: rgba(255,255,255,.2); box-shadow: none; }

.race-card {
  position: relative;
  padding: 36px;
  overflow: hidden;
  border: 1px solid rgba(105,202,255,.35);
  border-radius: 28px;
  background: linear-gradient(155deg, rgba(17,31,47,.95), rgba(5,9,14,.97));
  box-shadow: 0 26px 70px rgba(0,0,0,.44), 0 0 50px rgba(24,168,255,.1);
}

.race-card::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -100px;
  top: -100px;
  border-radius: 50%;
  background: var(--blue);
  filter: blur(80px);
  opacity: .18;
}

.race-card h2 { margin: 0 0 24px; font-size: 1.5rem; }
.plan-step { display: grid; grid-template-columns: 38px 1fr; gap: 15px; align-items: start; padding: 17px 0; border-top: 1px solid var(--line); }
.step-number { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; color: #001322; background: var(--blue-bright); font-weight: 950; }
.plan-step strong { display: block; color: #fff; }
.plan-step span { color: var(--muted); font-size: .92rem; }
.status { margin-top: 24px; display: inline-flex; align-items: center; gap: 9px; color: var(--green); font-weight: 850; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 16px var(--green); }

.section { padding: 84px 0; border-top: 1px solid rgba(105,202,255,.12); }
.section-title { margin: 0 0 14px; font-size: clamp(2rem, 4.5vw, 3.5rem); letter-spacing: -.045em; }
.section-copy { max-width: 720px; margin: 0; color: var(--muted); font-size: 1.08rem; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 38px; }
.feature { min-height: 210px; padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: rgba(10,17,26,.72); }
.feature-number { color: var(--blue-bright); font-weight: 950; letter-spacing: .1em; }
.feature h3 { margin: 24px 0 10px; font-size: 1.3rem; }
.feature p { margin: 0; color: var(--muted); }

.page-hero { padding: 78px 0 42px; }
.page-hero h1 { font-size: clamp(2.6rem, 7vw, 5rem); }
.page-hero p { max-width: 760px; color: var(--muted); font-size: 1.08rem; }

.document { padding: 10px 0 90px; }
.document-card { max-width: 900px; padding: clamp(26px, 5vw, 54px); border: 1px solid var(--line); border-radius: 24px; background: rgba(9,16,25,.88); box-shadow: 0 28px 70px rgba(0,0,0,.32); }
.document-card h2 { margin-top: 42px; font-size: 1.45rem; }
.document-card h2:first-child { margin-top: 0; }
.document-card p, .document-card li { color: #c2cfdd; }
.document-card li + li { margin-top: 8px; }
.updated { color: var(--blue-bright) !important; font-weight: 800; }

.support-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 22px; }
.support-panel { padding: 30px; border: 1px solid var(--line); border-radius: 22px; background: rgba(9,16,25,.88); }
.support-panel h2 { margin-top: 0; }
.support-panel p { color: var(--muted); }
.faq { padding: 20px 0; border-top: 1px solid var(--line); }
.faq:first-of-type { border-top: 0; padding-top: 4px; }
.faq h3 { margin: 0 0 8px; font-size: 1.06rem; }
.faq p { margin: 0; }

.footer { padding: 34px 0 44px; border-top: 1px solid var(--line); color: #8797a8; }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer a { color: #b8c9d9; text-decoration: none; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; min-height: auto; gap: 44px; padding-top: 68px; }
  .feature-grid, .support-grid { grid-template-columns: 1fr; }
  .nav { align-items: flex-start; padding: 15px 0; }
  .nav-links { gap: 13px; padding-top: 11px; }
  .nav-links a { font-size: .84rem; }
}

@media (max-width: 520px) {
  .shell { width: min(100% - 24px, 1120px); }
  .brand { font-size: 1.12rem; }
  .brand-k { width: 38px; height: 38px; }
  .nav-links { gap: 10px; }
  .nav-links a:first-child { display: none; }
  .race-card { padding: 26px 22px; border-radius: 22px; }
  .footer-row { align-items: flex-start; flex-direction: column; }
}