:root {
  --bg: #061538;
  --bg2: #0a1f52;
  --card: #0d2766;
  --text: #f3f6ff;
  --muted: #b4c2e6;
  --blue: #2563eb;
  --green: #4ade2b;
  --green-dark: #16a34a;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 80% -10%, #12358f 0%, var(--bg) 60%) fixed, var(--bg);
  color: var(--text);
  font: 16px/1.6 "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}
a { color: var(--green); }
img { max-width: 100%; height: auto; }

.top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: 1120px; margin: 0 auto; padding: 16px 20px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 800; font-size: 20px; }
.top nav { display: flex; align-items: center; gap: 20px; }
.top nav a { color: var(--muted); text-decoration: none; font-weight: 600; }
.top nav a:hover { color: var(--text); }

.btn {
  display: inline-block; padding: 14px 26px; border-radius: 10px;
  background: linear-gradient(180deg, var(--green) 0%, var(--green-dark) 100%);
  color: #04210a; font-weight: 800; text-decoration: none; border: 0;
  box-shadow: 0 6px 22px rgba(74, 222, 43, .28);
}
.btn:hover { filter: brightness(1.07); }
.btn.small { padding: 8px 16px; border-radius: 8px; color: #04210a !important; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid rgba(255,255,255,.3); box-shadow: none; }

.hero {
  display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 32px;
  max-width: 1120px; margin: 0 auto; padding: 32px 20px 56px;
}
.eyebrow { color: var(--green); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: 13px; margin: 0 0 12px; }
h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.12; margin: 0 0 16px; }
.lead { color: var(--muted); font-size: 18px; margin: 0 0 24px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.cta.center { justify-content: center; margin-top: 28px; }
.note { color: var(--muted); font-size: 14px; margin-top: 14px; }
.hero-art { text-align: center; }
.hero-art img { filter: drop-shadow(0 20px 60px rgba(37, 99, 235, .55)); }

.block { max-width: 1120px; margin: 0 auto; padding: 56px 20px; }
.block.alt { max-width: none; background: rgba(255,255,255,.04); }
.block.alt > * { max-width: 1120px; margin-left: auto; margin-right: auto; }
h2 { font-size: clamp(24px, 3.6vw, 34px); margin: 0 0 28px; text-align: center; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.grid article { background: var(--card); border: 1px solid rgba(255,255,255,.08); border-radius: 14px; padding: 22px; }
.grid h3 { margin: 0 0 8px; font-size: 18px; }
.grid p { margin: 0; color: var(--muted); }

.steps { list-style: none; counter-reset: s; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; padding: 0; margin: 0 auto; }
.steps li { counter-increment: s; position: relative; background: var(--card); border-radius: 14px; padding: 54px 20px 22px; border: 1px solid rgba(255,255,255,.08); }
.steps li::before {
  content: counter(s); position: absolute; top: 16px; left: 20px; width: 30px; height: 30px; border-radius: 50%;
  background: var(--green); color: #04210a; font-weight: 800; display: flex; align-items: center; justify-content: center;
}
.steps strong { display: block; margin-bottom: 6px; }
.steps span { color: var(--muted); }
.center-text { text-align: center; color: var(--muted); }

footer {
  display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap;
  padding: 28px 20px 40px; color: var(--muted); font-size: 14px;
}

@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .cta { justify-content: center; }
  .hero-art { order: -1; }
  .hero-art img { width: 70%; }
  .top nav a:not(.btn) { display: none; }
}

/* "All versions" drawer: opens with :target, so it needs no script (the page's CSP allows none). */
.drawer { position: fixed; inset: 0; z-index: 50; visibility: hidden; }
.drawer:target { visibility: visible; }
.drawer-backdrop {
  position: absolute; inset: 0; background: rgba(2, 8, 24, .66); opacity: 0; transition: opacity .2s;
}
.drawer:target .drawer-backdrop { opacity: 1; }
.drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(440px, 100%);
  background: var(--bg2); border-left: 1px solid rgba(255,255,255,.12);
  box-shadow: -18px 0 50px rgba(0,0,0,.45);
  display: flex; flex-direction: column; transform: translateX(100%); transition: transform .25s ease;
}
.drawer:target .drawer-panel { transform: none; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 20px; border-bottom: 1px solid rgba(255,255,255,.1); }
.drawer-head h2 { margin: 0; font-size: 20px; text-align: left; }
.drawer-head p { margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.drawer-close { color: var(--muted); text-decoration: none; font-size: 30px; line-height: 1; padding: 0 6px; }
.drawer-close:hover { color: var(--text); }
.versions { list-style: none; margin: 0; padding: 14px 16px 24px; overflow-y: auto; display: grid; gap: 12px; }
.version { background: var(--card); border: 1px solid rgba(255,255,255,.1); border-radius: 12px; padding: 14px 16px; display: grid; gap: 8px; }
.version.latest { border-color: var(--green); box-shadow: 0 0 0 1px rgba(74,222,43,.35); }
.version-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.version-top strong { font-size: 18px; }
.tag { background: var(--green); color: #04210a; font-size: 11px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; padding: 2px 8px; border-radius: 999px; margin-left: 8px; vertical-align: middle; }
.version ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 14px; }
.version-meta { color: var(--muted); font-size: 13px; }
.version .btn { text-align: center; padding: 10px 18px; }
.drawer-open { color: var(--muted); text-decoration: none; font-weight: 600; }