:root {
  color-scheme: dark;
  --bg: #080d1b;
  --surface: #10182b;
  --surface-soft: #151f35;
  --text: #f7f9ff;
  --muted: #b7c2d9;
  --line: rgba(179, 200, 238, .18);
  --brand: #67e8f9;
  --brand-strong: #4f8cff;
  --accent: #a78bfa;
  --shadow: 0 24px 70px rgba(0, 0, 0, .28);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 4%, rgba(79, 140, 255, .19), transparent 32rem),
    radial-gradient(circle at 12% 38%, rgba(103, 232, 249, .08), transparent 30rem),
    var(--bg);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: .75rem;
  left: .75rem;
  padding: .65rem .9rem;
  color: #07101c;
  background: var(--brand);
  border-radius: .6rem;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 13, 27, .88);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1160px, calc(100% - 2rem));
  min-height: 4.75rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  font-weight: 820;
  letter-spacing: -.02em;
  text-decoration: none;
}

.brand img {
  width: 2.35rem;
  height: 2.35rem;
}

.brand span {
  color: var(--text);
}

.brand b {
  color: var(--brand);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: .35rem 1.15rem;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  font-size: .9rem;
  font-weight: 650;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
}

.nav-links .nav-cta {
  padding: .62rem .9rem;
  color: #07101c;
  background: var(--brand);
  border-radius: .7rem;
}

.wrap {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
}

.breadcrumbs {
  padding-top: 1.45rem;
  color: var(--muted);
  font-size: .84rem;
}

.breadcrumbs ol {
  display: flex;
  gap: .45rem;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: .45rem;
  color: #6e7d9c;
}

.breadcrumbs a {
  text-underline-offset: .2rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(17rem, .8fr);
  align-items: center;
  gap: clamp(2.5rem, 7vw, 6rem);
  min-height: 39rem;
  padding: 4.5rem 0 5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0 0 1.15rem;
  color: var(--brand);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 1.7rem;
  height: 2px;
  content: "";
  background: currentColor;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.15;
  text-wrap: balance;
}

h1 {
  max-width: 18ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2.45rem, 6.5vw, 5.25rem);
  letter-spacing: -.055em;
}

h1 .gradient {
  color: transparent;
  background: linear-gradient(95deg, var(--brand), var(--brand-strong) 55%, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -.035em;
}

h3 {
  margin-bottom: .6rem;
  font-size: 1.15rem;
}

.lede {
  max-width: 63ch;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.22rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  padding: .75rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: .8rem;
  font-weight: 780;
  text-decoration: none;
}

.button.primary {
  color: #07101c;
  border-color: transparent;
  background: linear-gradient(110deg, var(--brand), #74a7ff);
  box-shadow: 0 12px 35px rgba(79, 140, 255, .2);
}

.button.secondary:hover {
  border-color: rgba(103, 232, 249, .5);
  background: rgba(103, 232, 249, .06);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  background: linear-gradient(145deg, rgba(21, 31, 53, .94), rgba(10, 17, 32, .9));
  box-shadow: var(--shadow);
}

.hero-panel::before {
  position: absolute;
  width: 11rem;
  height: 11rem;
  top: -4.5rem;
  right: -3rem;
  content: "";
  border-radius: 50%;
  background: rgba(103, 232, 249, .14);
  filter: blur(4px);
}

.hero-panel strong {
  display: block;
  margin-bottom: .85rem;
  color: var(--brand);
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-panel li {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: .55rem;
  padding: .65rem 0;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.hero-panel li:last-child {
  border-bottom: 0;
}

.hero-panel li::before {
  content: "✓";
  color: var(--brand);
  font-weight: 900;
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  border-top: 1px solid var(--line);
}

.section-intro {
  max-width: 710px;
  margin-bottom: 2.2rem;
}

.section-intro p,
.card p,
.prose p,
.faq p {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

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

.card {
  padding: 1.45rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(16, 24, 43, .72);
}

.card .number {
  display: inline-grid;
  width: 2.2rem;
  height: 2.2rem;
  margin-bottom: 1rem;
  place-items: center;
  color: #08101b;
  background: var(--brand);
  border-radius: .65rem;
  font-weight: 900;
}

.card p:last-child {
  margin-bottom: 0;
}

.notice {
  padding: 1.25rem 1.35rem;
  border: 1px solid rgba(103, 232, 249, .32);
  border-radius: .9rem;
  background: rgba(103, 232, 249, .07);
}

.notice strong {
  color: var(--brand);
}

.prose {
  max-width: 780px;
}

.prose ul {
  color: var(--muted);
}

.faq {
  display: grid;
  gap: .75rem;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: .9rem;
  background: rgba(16, 24, 43, .68);
}

.faq summary {
  padding: 1rem 1.2rem;
  cursor: pointer;
  font-weight: 760;
}

.faq p {
  margin: 0;
  padding: 0 1.2rem 1.15rem;
}

.related {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.4rem;
}

.related a {
  padding: .55rem .75rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: .65rem;
  text-decoration: none;
}

.related a:hover {
  color: var(--text);
  border-color: rgba(103, 232, 249, .5);
}

.site-footer {
  padding: 2.6rem 0;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem 1.2rem;
}

.footer-links a {
  text-underline-offset: .2rem;
}

.not-found {
  display: grid;
  min-height: 72vh;
  place-items: center;
  text-align: center;
}

.not-found h1 {
  max-width: none;
}

@media (max-width: 820px) {
  .nav {
    padding: .7rem 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 3.5rem 0 4rem;
  }

  .grid,
  .grid.two {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .nav-links a:not(.nav-cta) {
    font-size: .82rem;
  }

  .hero-panel {
    padding: 1.35rem;
  }

  .actions .button {
    width: 100%;
  }
}

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