:root {
  color-scheme: dark;
  --bg: #05070a;
  --panel: #181a1e;
  --panel-soft: #0d1118;
  --ink: #f7f8fb;
  --muted: #aab3c2;
  --dim: #747f90;
  --line: rgba(255, 255, 255, 0.12);
  --blue: #0875f8;
  --cyan: #29c7ff;
  --green: #24d18f;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(90deg, rgba(5, 7, 10, 0.98), rgba(5, 7, 10, 0.84) 48%, rgba(5, 7, 10, 0.98)),
    linear-gradient(180deg, rgba(8, 117, 248, 0.16), transparent 36%),
    #05070a;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

.topbar,
.hero,
.grid,
.band,
.legal,
.footer {
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 7, 10, 0.84);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand img {
  width: 46px;
  height: 46px;
  border: 1px solid rgba(41, 199, 255, 0.42);
  border-radius: 50%;
  background: #fff;
}

.brand strong,
.brand small {
  display: block;
}

.brand small,
p {
  color: var(--muted);
}

.nav {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8, 11, 16, 0.72);
}

.nav a {
  min-height: 34px;
  padding: 7px 12px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
}

.hero {
  padding: 70px 0 42px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.7rem, 6vw, 5.7rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 1.02;
}

h1 span {
  color: var(--blue);
}

h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.08;
}

.hero p {
  max-width: 760px;
  margin: 20px 0 0;
  font-size: 1.08rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  min-width: 170px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 900;
}

.button {
  background: var(--ink);
  color: #05070a;
}

.ghost-button {
  border: 1px solid rgba(41, 199, 255, 0.44);
  color: var(--cyan);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 12px 0 32px;
}

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.band,
.legal {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(24, 26, 30, 0.94);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

.card {
  min-height: 250px;
  padding: 24px;
}

.card h2 {
  margin-top: 0;
  font-size: 1.25rem;
}

.card a,
.legal a {
  color: var(--cyan);
  font-weight: 850;
}

.band {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  margin-bottom: 64px;
  padding: 30px;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
}

.check-list li::before {
  content: "✓";
  margin-right: 10px;
  color: var(--green);
  font-weight: 900;
}

.legal {
  margin-top: 44px;
  margin-bottom: 64px;
  padding: clamp(24px, 5vw, 54px);
}

.legal h2 {
  margin-top: 34px;
  font-size: 1.18rem;
}

.updated {
  color: var(--dim);
  font-size: 0.9rem;
}

.footer {
  display: grid;
  gap: 18px;
  padding: 24px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.78fr);
  gap: 24px;
}

.footer-contact {
  display: grid;
  gap: 10px;
  justify-items: end;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.86rem;
}

.footer-links a {
  color: var(--cyan);
  font-weight: 850;
}

.footer-links span {
  color: var(--ink);
  font-weight: 900;
}

@media (max-width: 980px) {
  .topbar {
    position: static;
    flex-direction: column;
    align-items: stretch;
  }

  .grid,
  .grid.four,
  .band,
  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-contact {
    justify-items: start;
  }
}

@media (max-width: 640px) {
  .topbar,
  .hero,
  .grid,
  .band,
  .legal,
  .footer {
    width: min(100% - 28px, var(--max));
  }

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

  .card,
  .band,
  .legal {
    padding: 20px;
  }
}