/* Melani — shared shell for sub-pages (privacy, terms, download).
   Tokens mirror index.html so the pages read as one product. */
:root {
  --bg:      #060607;
  --bg2:     #0a0b0d;
  --panel:   #101215;
  --panel2:  #16181c;
  --hair:    hsl(220 12% 100% / .06);
  --hair2:   hsl(220 12% 100% / .11);
  --grid:    hsl(220 12% 100% / .022);
  --ink:     hsl(210 16% 97%);
  --ink2:    hsl(214 9% 64%);
  --ink3:    hsl(214 8% 42%);
  --accent:  hsl(210 100% 66%);
  --hit:     hsl(150 55% 55%);
  --sans: "Instrument Sans", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --serif: "IBM Plex Serif", ui-serif, Georgia, serif;
  --edge: clamp(20px, 5vw, 90px);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.65;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 40%, transparent 100%);
}
main, header, footer { position: relative; z-index: 1; }
a { color: inherit; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 var(--edge); }
.mono { font-family: var(--mono); }

/* nav */
header {
  position: sticky; top: 0; z-index: 30;
  background: hsl(220 14% 4% / .9);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--hair);
}
.bar { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: baseline; gap: 11px; text-decoration: none; }
.brand .k { font-family: var(--mono); font-size: 10px; letter-spacing: .26em; color: var(--ink3); text-transform: uppercase; }
.brand .m { font-size: 20px; font-weight: 600; letter-spacing: -.01em; color: var(--ink); }
.brand .m b { color: var(--accent); font-weight: 600; }
nav { display: flex; gap: 28px; align-items: center; }
nav a { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: var(--ink2); text-decoration: none; text-transform: uppercase; }
nav a:hover { color: var(--ink); }
.nav-buy { color: var(--accent) !important; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .06em;
  padding: 13px 20px; border-radius: 9px; text-decoration: none;
  border: 1px solid transparent; transition: transform .15s ease, background .15s, border-color .15s;
}
.btn.primary { background: var(--accent); color: #04121f; font-weight: 500; }
.btn.primary:hover { transform: translateY(-1px); }
.btn.ghost { border-color: var(--hair2); color: var(--ink2); }
.btn.ghost:hover { color: var(--ink); border-color: var(--ink3); }
.btn .arrow { transition: transform .15s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* doc shell */
.doc { padding: 72px 0 40px; }
.doc .eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--ink3); margin-bottom: 18px; }
.doc .eyebrow b { color: var(--accent); font-weight: 400; }
.doc h1 { font-weight: 600; font-size: clamp(34px, 4.6vw, 56px); letter-spacing: -.03em; line-height: 1.02; max-width: 18ch; }
.doc h1 em { font-family: var(--serif); font-weight: 400; font-style: italic; color: var(--accent); letter-spacing: -.01em; }
.doc .stamp { font-family: var(--mono); font-size: 11px; color: var(--ink3); letter-spacing: .06em; margin-top: 20px; }
.doc .lead { color: var(--ink2); max-width: 62ch; margin-top: 20px; font-size: 17px; }

/* prose */
.prose { max-width: 68ch; margin-top: 40px; }
.prose section { padding: 0; margin-bottom: 40px; }
.prose h2 {
  font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink); display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px;
}
.prose h2 .no { color: var(--accent); font-size: 11px; }
.prose p { color: var(--ink2); font-size: 15.5px; margin-bottom: 12px; }
.prose p b, .prose li b { color: var(--ink); font-weight: 600; }
.prose ul { list-style: none; margin: 6px 0 14px; }
.prose li { color: var(--ink2); font-size: 15px; padding: 5px 0 5px 22px; position: relative; }
.prose li::before { content: "→"; position: absolute; left: 0; color: var(--accent); font-family: var(--mono); font-size: 13px; }
.prose a { color: var(--accent); text-decoration: none; border-bottom: 1px solid hsl(210 100% 66% / .3); }
.prose a:hover { border-bottom-color: var(--accent); }
.prose .callout {
  border: 1px solid var(--hair); border-left: 2px solid var(--accent);
  background: var(--panel); border-radius: 10px; padding: 18px 22px; margin: 8px 0 18px;
}
.prose .callout p { margin: 0; color: var(--ink2); font-size: 14.5px; }
code, .kbd {
  font-family: var(--mono); font-size: .88em; color: var(--ink);
  background: var(--panel2); border: 1px solid var(--hair); border-radius: 6px; padding: 2px 7px;
}

/* download steps */
.steps { display: grid; gap: 16px; margin-top: 40px; max-width: 760px; }
.step {
  display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: start;
  background: var(--panel); border: 1px solid var(--hair); border-radius: 12px; padding: 22px 24px;
  transition: border-color .15s;
}
.step:hover { border-color: var(--hair2); }
.step .no { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: .1em; padding-top: 2px; }
.step h3 { font-size: 16px; font-weight: 600; letter-spacing: -.005em; margin-bottom: 7px; }
.step p { color: var(--ink2); font-size: 14.5px; }
.step p a { color: var(--accent); text-decoration: none; }
.step p a:hover { text-decoration: underline; }
.dlbar { display: flex; gap: 13px; align-items: center; flex-wrap: wrap; margin-top: 30px; }
.dlbar .meta { font-family: var(--mono); font-size: 11px; color: var(--ink3); letter-spacing: .04em; }

/* footer */
footer { border-top: 1px solid var(--hair); padding: 46px 0 64px; background: var(--bg2); margin-top: 60px; }
.foot { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 22px; }
.foot .cols { display: flex; gap: 40px; flex-wrap: wrap; }
.foot a { color: var(--ink2); text-decoration: none; font-family: var(--mono); font-size: 11px; letter-spacing: .06em; }
.foot a:hover { color: var(--ink); }
.foot .note { color: var(--ink3); font-size: 13px; max-width: 36ch; margin-top: 12px; }
.foot .mark { font-size: 18px; font-weight: 600; }
.foot .mark b { color: var(--accent); }

@media (max-width: 860px) {
  nav { display: none; }
  .step { grid-template-columns: 1fr; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }