:root {
  --bg: #010104;
  --panel: #070a12;
  --panel-soft: #0d1322;
  --text: #f7f9ff;
  --muted: #aab4c6;
  --line: #26304a;
  --cyan: #23f7ff;
  --pink: #ff3df2;
  --green: #53ff85;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--text); background: var(--bg); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; }
a { color: inherit; }
.shell { width: min(1120px, calc(100% - 24px)); margin: 0 auto; padding: 18px 0 36px; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 0 20px; border-bottom: 1px solid var(--line); }
.brand { color: var(--cyan); font-weight: 950; letter-spacing: 0.12em; text-transform: uppercase; text-decoration: none; }
.links { display: flex; flex-wrap: wrap; gap: 10px; color: var(--muted); }
.links a { padding: 8px 10px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; }
.panel, .card { margin-top: 18px; padding: clamp(20px, 5vw, 42px); border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(135deg, var(--panel), var(--panel-soft)); }
.intro { display: grid; grid-template-columns: minmax(0, 1fr) 180px; gap: 24px; align-items: center; }
.eyebrow { margin: 0 0 10px; color: var(--cyan); text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.78rem; font-weight: 850; }
h1, h2 { margin: 0 0 14px; line-height: 1; letter-spacing: -0.05em; }
h1 { font-size: clamp(2.8rem, 9vw, 6rem); max-width: 800px; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
p { margin-top: 0; color: var(--muted); }
.lead { max-width: 760px; font-size: 1.1rem; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 15px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; font-weight: 850; }
.primary { color: #01030a; background: linear-gradient(90deg, var(--cyan), var(--pink), var(--green)); border: 0; }
.mark { display: grid; place-items: center; width: 160px; height: 160px; border-radius: 34px; color: #01030a; font-weight: 1000; font-size: 4rem; background: linear-gradient(135deg, var(--cyan), var(--pink), var(--green)); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card span { color: var(--pink); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 900; }
.footer { display: flex; justify-content: space-between; gap: 12px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); }

@media (max-width: 780px) {
  .nav, .intro, .footer { align-items: flex-start; flex-direction: column; }
  .intro { display: flex; }
  .grid { grid-template-columns: 1fr; }
  .mark { width: 112px; height: 112px; font-size: 2.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}