/* BountyTops — clean, old-school static site. One stylesheet, no frameworks, system fonts. */
:root {
  --ink: #16181d;
  --muted: #5b6472;
  --line: #d9dee6;
  --bg: #ffffff;
  --panel: #f6f8fb;
  --accent: #123a6b;      /* navy */
  --accent-ink: #ffffff;
  --maxw: 980px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
img { max-width: 100%; }
a { color: var(--accent); }

/* layout */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: 20px; }

/* header / nav */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 16px; }
.brand { font-weight: 700; font-size: 20px; letter-spacing: .2px; color: var(--ink); text-decoration: none; }
.brand span { color: var(--accent); }
.nav-links { display: flex; gap: 22px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }

/* hero */
.hero { padding-block: 64px 48px; border-bottom: 1px solid var(--line); }
.hero h1 { font-size: 40px; line-height: 1.15; margin: 0 0 14px; text-wrap: balance; }
.hero p { font-size: 18px; color: var(--muted); max-width: 60ch; margin: 0 0 26px; }

/* buttons */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 6px;
  font-size: 15px; font-weight: 600; text-decoration: none; cursor: pointer;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink);
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.ghost:hover { background: var(--panel); filter: none; }
.btn.block { display: block; text-align: center; }

/* generic sections */
section { padding-block: 48px; }
h2 { font-size: 26px; margin: 0 0 10px; }
.lede { color: var(--muted); font-size: 17px; max-width: 64ch; }

/* feature row */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.feature { border: 1px solid var(--line); border-radius: 8px; padding: 20px; background: var(--bg); }
.feature h3 { margin: 0 0 6px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

/* store grid */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 28px; }
.card {
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--bg);
  display: flex; flex-direction: column;
}
.card .thumb {
  aspect-ratio: 16 / 10; background: var(--panel); display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--line); color: var(--accent); font-weight: 700; font-size: 22px; letter-spacing: .3px;
}
.card .body { padding: 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card .body h3 { margin: 0; font-size: 18px; }
.card .body p { margin: 0; color: var(--muted); font-size: 14px; flex: 1; }
.card .price { font-weight: 600; font-size: 14px; color: var(--ink); }
.card.soon { opacity: .55; }
.tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; }

/* download page */
.dl-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 26px; }
.dl {
  border: 1px solid var(--line); border-radius: 10px; padding: 20px; background: var(--bg);
  display: flex; flex-direction: column; gap: 10px;
}
.dl h3 { margin: 0; font-size: 18px; }
.dl .os { font-size: 13px; color: var(--muted); }
.dl .note { font-size: 13px; color: var(--muted); margin: 0; }
.callout {
  margin-top: 26px; border: 1px solid var(--line); border-left: 3px solid var(--accent);
  background: var(--panel); border-radius: 6px; padding: 16px 18px; font-size: 14px; color: var(--ink);
}
.callout b { color: var(--ink); }
.steps { margin: 22px 0 0; padding-left: 20px; color: var(--muted); }
.steps li { margin-bottom: 6px; }

/* footer */
.site-footer { border-top: 1px solid var(--line); margin-top: 40px; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 12px; padding-block: 22px; color: var(--muted); font-size: 14px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--ink); }

/* responsive */
@media (max-width: 760px) {
  .hero h1 { font-size: 30px; }
  .features, .grid { grid-template-columns: 1fr; }
  .dl-list { grid-template-columns: 1fr; }
  .nav-links { gap: 16px; }
}