:root {
  color-scheme: dark;
  --bg: #080a0f;
  --panel: rgba(255, 255, 255, 0.07);
  --ink: #f8fbff;
  --muted: #b9c1cf;
  --cyan: #46e6ff;
  --gold: #ffd166;
  --pink: #ff4bd8;
  --line: rgba(255, 255, 255, 0.16);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
  font-family: "Assistant", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 12%, rgba(70, 230, 255, 0.18), transparent 34%),
    radial-gradient(circle at 82% 4%, rgba(255, 75, 216, 0.14), transparent 28%),
    linear-gradient(180deg, #090b12 0%, #111520 46%, #07090e 100%);
  color: var(--ink);
}

a {
  color: inherit;
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 10, 15, 0.78);
  backdrop-filter: blur(18px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 900;
}

.brand img {
  width: 116px;
  height: auto;
}

.topbar nav {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-weight: 800;
}

.topbar nav a {
  text-decoration: none;
}

.topbar nav a:hover {
  color: var(--cyan);
}

.hero {
  display: grid;
  gap: 24px;
  padding: clamp(58px, 9vw, 112px) 0 clamp(38px, 7vw, 78px);
}

.eyebrow {
  margin: 0;
  color: var(--gold);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 900px;
  margin-bottom: 0;
  font-size: clamp(40px, 7vw, 78px);
  line-height: 0.98;
}

h2 {
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.08;
}

h3 {
  font-size: 24px;
  line-height: 1.2;
}

.lead {
  max-width: 850px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.65;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, var(--cyan), var(--pink));
  color: #061016;
  text-decoration: none;
  font-weight: 900;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.07);
  color: var(--ink);
}

.section {
  padding: clamp(38px, 6vw, 82px) 0;
}

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

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(18px, 4vw, 42px);
  align-items: start;
}

.card {
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.card p,
.content p,
.content li,
.faq p {
  color: var(--muted);
  line-height: 1.72;
}

.content ul,
.card ul {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.content li::before,
.card li::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-inline-end: 9px;
  border-radius: 999px;
  background: var(--gold);
}

.answer {
  border: 1px solid rgba(70, 230, 255, 0.28);
  background: linear-gradient(135deg, rgba(70, 230, 255, 0.12), rgba(255, 209, 102, 0.08));
}

.faq {
  display: grid;
  gap: 14px;
}

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 20px;
}

summary {
  cursor: pointer;
  font-size: 20px;
  font-weight: 900;
}

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

.related a {
  display: grid;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  text-decoration: none;
}

.related a:hover {
  border-color: rgba(70, 230, 255, 0.5);
}

.final {
  margin-bottom: 42px;
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(70, 230, 255, 0.12), rgba(255, 75, 216, 0.12));
}

@media (max-width: 860px) {
  .topbar nav {
    display: none;
  }

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

@media (max-width: 520px) {
  .page-shell {
    width: min(100% - 24px, 1120px);
  }

  .brand img {
    width: 98px;
  }

  .actions {
    display: grid;
  }

  .button {
    width: 100%;
  }
}