:root {
  --bg: #0e0f13;
  --bg-soft: #16181f;
  --card: #1b1e27;
  --line: rgba(255, 255, 255, 0.09);
  --fg: #eef0f5;
  --muted: #9aa0ad;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --ok: #34d399;
  --radius: 14px;
  --wrap: 960px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 50% -10%, #1a1330 0%, var(--bg) 55%);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(14, 15, 19, 0.8); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { font-weight: 700; font-size: 18px; letter-spacing: -0.01em; }
.btn {
  display: inline-block; padding: 11px 20px; border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #a855f7);
  color: #fff !important; font-weight: 600; text-decoration: none !important;
  border: none; cursor: pointer; transition: transform 0.12s ease, opacity 0.12s;
}
.btn:hover { transform: translateY(-1px); opacity: 0.95; }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--fg) !important; }
.btn.lg { padding: 15px 30px; font-size: 17px; }

/* hero */
.hero { padding: 84px 0 40px; text-align: center; }
.hero h1 { font-size: clamp(30px, 5vw, 50px); line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 18px; }
.hero p.lead { font-size: clamp(16px, 2.2vw, 20px); color: var(--muted); max-width: 640px; margin: 0 auto 28px; }
.hero .sub { color: var(--muted); font-size: 14px; margin-top: 14px; }

/* sections */
section.block { padding: 46px 0; border-top: 1px solid var(--line); }
h2.h { font-size: clamp(22px, 3.4vw, 30px); letter-spacing: -0.01em; margin: 0 0 26px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px;
}
.card .ic { font-size: 24px; }
.card h3 { margin: 10px 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; counter-reset: s; }
.step { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.step::before { counter-increment: s; content: counter(s); display: inline-flex; width: 30px; height: 30px; align-items: center; justify-content: center; border-radius: 999px; background: var(--accent); color: #fff; font-weight: 700; margin-bottom: 10px; }

/* pricing */
.price-card { max-width: 420px; margin: 0 auto; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 30px; text-align: center; }
.price-card .amount { font-size: 42px; font-weight: 800; letter-spacing: -0.02em; }
.price-card .per { color: var(--muted); }
.price-card ul { list-style: none; padding: 0; margin: 20px 0; text-align: left; }
.price-card li { padding: 7px 0 7px 26px; position: relative; color: var(--fg); }
.price-card li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.note { color: var(--muted); font-size: 13px; margin-top: 12px; }

/* faq */
.faq details { border: 1px solid var(--line); border-radius: 12px; padding: 4px 18px; margin-bottom: 10px; background: var(--bg-soft); }
.faq summary { cursor: pointer; padding: 14px 0; font-weight: 600; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq details[open] summary { color: var(--accent-2); }
.faq .a { padding: 0 0 14px; color: var(--muted); }

/* legal / prose */
.prose { padding: 40px 0 20px; }
.prose h1 { font-size: clamp(26px, 4vw, 36px); letter-spacing: -0.02em; }
.prose h2 { font-size: 20px; margin-top: 30px; }
.prose h3 { font-size: 17px; margin-top: 22px; }
.prose p, .prose li { color: #d7dae2; }
.prose blockquote { border-left: 3px solid var(--accent); margin: 16px 0; padding: 6px 16px; background: var(--bg-soft); border-radius: 0 10px 10px 0; color: var(--fg); }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 26px 0; }
.prose code { background: var(--bg-soft); padding: 2px 6px; border-radius: 6px; }

/* placeholder highlight for unfilled config values */
mark.ph { background: #4a2b00; color: #ffcf7a; padding: 0 6px; border-radius: 5px; font-size: 0.92em; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 34px 0 60px; color: var(--muted); font-size: 13.5px; }
.site-footer .links { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 16px; }
.site-footer .req { line-height: 1.8; opacity: 0.85; }
.center { text-align: center; }