:root {
  color-scheme: dark;
  --bg: #070a12;
  --line: rgba(255,255,255,.16);
  --text: #f7f7fb;
  --muted: #ffffff;
  --accent: #e7c15f;
  --youtube: #ff0033;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(231,193,95,.22), transparent 32rem),
    radial-gradient(circle at bottom right, rgba(90,132,255,.18), transparent 28rem),
    var(--bg);
  color: var(--text);
  display: grid;
  place-items: center;
  padding: 2rem;
}

main {
  width: min(920px, 100%);
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(12,16,30,.96), rgba(5,8,18,.92));
  border-radius: 28px;
  padding: clamp(1.25rem, 4vw, 3rem);
  box-shadow: 0 24px 90px rgba(0,0,0,.36);
}

.badge {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .45rem .75rem;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .78rem;
}

h1 {
  font-size: clamp(2.3rem, 8vw, 5.8rem);
  line-height: .92;
  margin: 1.1rem 0;
  letter-spacing: -.07em;
}

p {
  max-width: 68ch;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.65;
  text-shadow: 0 1px 3px rgba(0,0,0,.72);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: .5rem;
  border-radius: 999px;
  padding: .9rem 1.25rem;
  color: #fff;
  font-weight: 900;
  letter-spacing: .02em;
  text-decoration: none;
  box-shadow: 0 18px 42px rgba(0,0,0,.32);
}

.youtube-link {
  background: linear-gradient(135deg, var(--youtube), #c4002a);
  border: 1px solid rgba(255,255,255,.28);
}

.youtube-link:hover,
.youtube-link:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 22px 52px rgba(255,0,51,.24);
}

.panel {
  margin-top: 2rem;
  display: grid;
  gap: .8rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(0,0,0,.18);
}

.panel strong { color: var(--text); }

.footer {
  margin-top: 2rem;
  color: var(--muted);
  font-size: .92rem;
  font-weight: 700;
  text-shadow: 0 1px 3px rgba(0,0,0,.72);
}