:root {
  --bg: #0b0f17;
  --panel: #111722;
  --panel-soft: #151d2a;
  --line: #252e3b;
  --text: #f2f5f9;
  --muted: #9aa5b7;
  --soft: #cbd3df;
  --blue: #6f98ff;
  --green: #79ddb7;
  color-scheme: dark;
  font-family: "Manrope", system-ui, sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 20% -10%, rgba(95, 140, 255, 0.13), transparent 34rem),
    radial-gradient(circle at 90% 30%, rgba(121, 221, 183, 0.06), transparent 28rem),
    var(--bg);
}

a {
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}

.content-nav {
  position: sticky;
  z-index: 10;
  top: 0;
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 clamp(20px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  background: rgba(11, 15, 23, 0.9);
  backdrop-filter: blur(18px);
}

.content-brand {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.4px;
  text-decoration: none;
  white-space: nowrap;
}

.content-nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.6vw, 26px);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.content-nav-links a {
  text-decoration: none;
}

.content-nav-links .content-play-link {
  padding: 9px 13px;
  border: 1px solid rgba(111, 152, 255, 0.45);
  border-radius: 9px;
  color: var(--text);
  background: rgba(95, 140, 255, 0.1);
}

.content-shell {
  width: min(900px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(60px, 9vw, 104px) 0 88px;
}

.content-hero {
  max-width: 790px;
  margin-bottom: 56px;
}

.content-kicker {
  margin: 0 0 14px;
  color: var(--blue);
  font-family: "DM Mono", monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

.content-hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(38px, 7vw, 68px);
  letter-spacing: clamp(-3.1px, -0.25vw, -1.8px);
  line-height: 1;
}

.content-deck {
  max-width: 720px;
  margin: 24px 0 0;
  color: var(--soft);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.7;
}

.content-meta {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.content-section {
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.content-section h2 {
  margin: 0 0 16px;
  font-size: clamp(23px, 3.4vw, 32px);
  letter-spacing: -1px;
}

.content-section h3 {
  margin: 28px 0 10px;
  font-size: 17px;
  letter-spacing: -0.3px;
}

.content-section p,
.content-section li {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.content-section p {
  margin: 0 0 16px;
}

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

.content-section ul,
.content-section ol {
  margin: 12px 0 0;
  padding-left: 24px;
}

.content-section li + li {
  margin-top: 8px;
}

.content-section strong {
  color: var(--soft);
}

.content-section a,
.content-card a {
  color: var(--soft);
  text-decoration-color: rgba(203, 211, 223, 0.35);
  text-underline-offset: 4px;
}

.content-note {
  margin: 24px 0 0;
  padding: 20px 22px;
  border: 1px solid rgba(111, 152, 255, 0.28);
  border-radius: 14px;
  color: var(--soft);
  background: rgba(95, 140, 255, 0.07);
  font-size: 14px;
  line-height: 1.75;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.content-card {
  display: block;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(17, 23, 34, 0.75);
  text-decoration: none;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.content-card small {
  display: block;
  margin-bottom: 9px;
  color: var(--blue);
  font-family: "DM Mono", monospace;
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.content-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
}

.content-card span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.content-faq details {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.content-faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.content-faq summary {
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.content-faq details p {
  margin: 13px 0 0;
}

.content-footer {
  width: min(900px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 38px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 10px;
}

.content-footer-main,
.content-footer nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.content-footer-main {
  justify-content: space-between;
}

.content-footer nav {
  flex-wrap: wrap;
}

.content-footer a {
  text-decoration: none;
}

.content-nav a:focus-visible,
.content-footer a:focus-visible,
.content-card:focus-visible,
.content-section a:focus-visible {
  border-radius: 5px;
  outline: 2px solid var(--blue);
  outline-offset: 4px;
}

@media (hover: hover) and (pointer: fine) {
  .content-nav-links a:hover,
  .content-footer a:hover {
    color: var(--text);
  }

  .content-card:hover {
    border-color: rgba(111, 152, 255, 0.5);
    background: var(--panel-soft);
    transform: translateY(-2px);
  }
}

@media (max-width: 680px) {
  .content-nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .content-nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .content-shell,
  .content-footer {
    width: min(100% - 32px, 900px);
  }

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