/* Nyx Backup - site styles.
   System fonts only: no external requests, deterministic, CSP-safe.
   Single committed dark theme - the brand is night ("Nyx"). */

:root {
  --bg:      #0b0e16;   /* deep midnight */
  --bg-2:    #0e1220;   /* section lift */
  --panel:   #121724;   /* card */
  --panel-2: #161c2c;   /* card hover */
  --fg:      #e7ebf3;   /* soft white */
  --muted:   #8b93a7;   /* secondary text */
  --accent:  #7c9cf5;   /* moonlit periwinkle */
  --accent-2:#e8d98a;   /* moon gold, used sparingly */
  --line:    #232a3a;   /* hairline border */
  --ok:      #6ee7a8;
  --radius:  14px;
  --wrap:    1100px;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "Consolas", "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

html, body { margin: 0; padding: 0; }

body {
  min-height: 100svh;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--panel); color: var(--fg); padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }

.muted { color: var(--muted); }

/* ---- header / nav ---- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--fg); }
.brand:hover { text-decoration: none; }
.brand-word { font-weight: 700; letter-spacing: -0.01em; font-size: 19px; }
.brand-word .mark { color: var(--accent); }
.brand-word.small { font-size: 17px; }
.site-nav { display: flex; align-items: center; gap: 22px; }
.site-nav a { color: var(--muted); font-size: 15px; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--fg); text-decoration: none; }
.nav-cta {
  background: var(--accent); color: #0a0f1e !important; font-weight: 600;
  padding: 8px 16px; border-radius: 999px;
}
.nav-cta:hover { background: #8fa9f7; text-decoration: none; }

/* ---- buttons ---- */
.btn {
  display: inline-block; padding: 13px 22px; border-radius: 12px; font-weight: 600;
  font-size: 16px; border: 1px solid transparent; cursor: pointer; transition: background .15s, border-color .15s;
}
.btn-primary { background: var(--accent); color: #0a0f1e; }
.btn-primary:hover { background: #8fa9f7; text-decoration: none; }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* ---- hero ---- */
.hero {
  position: relative;
  background: radial-gradient(1200px 620px at 50% -12%, #16203a 0%, var(--bg) 62%);
  border-bottom: 1px solid var(--line);
  padding: 84px 0 76px;
  text-align: center;
}
.eyebrow {
  display: inline-block; margin-bottom: 22px; padding: 6px 14px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); background: var(--panel); border: 1px solid var(--line); border-radius: 999px;
}
.hero h1 {
  margin: 0 auto; max-width: 16ch; font-size: clamp(36px, 6.4vw, 62px); line-height: 1.05;
  letter-spacing: -0.025em; font-weight: 800; text-wrap: balance;
}
.hero h1 .accent { color: var(--accent); }
.hero-sub {
  margin: 22px auto 0; max-width: 62ch; font-size: clamp(17px, 2.2vw, 20px); color: var(--muted);
  text-wrap: balance;
}
.hero-cta { margin-top: 34px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-meta { margin-top: 16px; font-size: 13.5px; color: var(--muted); }
.hero-meta code { font-family: var(--mono); font-size: 12px; }

/* ---- sections ---- */
section { padding: 76px 0; }
section.alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 60ch; margin: 0 auto 46px; text-align: center; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 36px); letter-spacing: -0.02em; margin: 0 0 12px; text-wrap: balance; }
.section-head p { color: var(--muted); font-size: 17px; margin: 0; }

/* ---- feature grid ---- */
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; transition: border-color .15s, background .15s;
}
.card:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); background: var(--panel-2); }
.card .ic {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); margin-bottom: 16px;
}
.card h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---- trust row (three-layer) ---- */
.steps { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); counter-reset: step; }
.step { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; position: relative; }
.step::before {
  counter-increment: step; content: counter(step);
  font-family: var(--mono); font-size: 13px; color: var(--accent);
  border: 1px solid var(--line); border-radius: 8px; width: 30px; height: 30px;
  display: grid; place-items: center; margin-bottom: 14px;
}
.step h3 { margin: 0 0 8px; font-size: 17px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---- CTA band ---- */
.band { text-align: center; }
.band h2 { font-size: clamp(24px, 3vw, 34px); letter-spacing: -0.02em; margin: 0 0 10px; }
.band p { color: var(--muted); margin: 0 0 26px; }

/* ---- pricing ---- */
.pricing-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); max-width: 900px; margin: 0 auto; }
.price-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 24px; text-align: center; position: relative; }
.price-card.popular { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent); }
.pop-badge { position: absolute; top: -11px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #0a0f1e; font-size: 11px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; padding: 4px 12px; border-radius: 999px; }
.price-card h3 { margin: 4px 0 12px; font-size: 20px; }
.price-card .price { margin: 0; font-size: 44px; font-weight: 800; letter-spacing: -0.02em; line-height: 1; }
.price-card .price .cur { font-size: 22px; font-weight: 700; vertical-align: super; color: var(--muted); margin-right: 2px; }
.price-sub { margin: 8px 0 22px; color: var(--muted); font-size: 14px; }
.card-cta { display: block; }
.renew-note { margin: 14px 0 0; color: var(--muted); font-size: 12.5px; line-height: 1.5; }
.included { max-width: 760px; margin: 46px auto 0; }
.included h3 { text-align: center; font-size: 18px; margin: 0 0 18px; }
.inc-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.inc-list li { position: relative; padding-left: 30px; color: #cfd5e3; font-size: 15px; }
.inc-list li::before { content: ""; position: absolute; left: 4px; top: 4px; width: 13px; height: 7px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }

/* ---- download page ---- */
.dl-head { padding: 64px 0 20px; text-align: center; }
.dl-head h1 { font-size: clamp(30px, 4.4vw, 44px); letter-spacing: -0.02em; margin: 0 0 10px; }
.dl-head p { color: var(--muted); margin: 0 auto; max-width: 56ch; }
.dl-primary { text-align: center; padding: 8px 0 40px; }
.dl-primary .sha { margin-top: 14px; font-size: 13px; color: var(--muted); }
.dl-primary .sha code { font-family: var(--mono); word-break: break-all; }
.dl-all { max-width: 760px; margin: 0 auto; }
.dl-all h2 { font-size: 20px; margin: 0 0 16px; }
#nyx-dl-all { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
#nyx-dl-all li { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
#nyx-dl-all li a { font-weight: 600; }
#nyx-dl-all li code { display: block; margin-top: 6px; font-family: var(--mono); font-size: 12px; color: var(--muted); word-break: break-all; }
.callout { max-width: 760px; margin: 34px auto 0; background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 10px; padding: 16px 18px; color: var(--muted); font-size: 14.5px; }
.callout code { font-family: var(--mono); font-size: 12.5px; }

/* ---- prose (legal + docs) ---- */
.prose-wrap { padding: 56px 0 80px; }
.prose { max-width: 76ch; margin: 0 auto; }
.prose h1 { font-size: clamp(28px, 4vw, 38px); letter-spacing: -0.02em; margin: 0 0 6px; }
.prose h2 { font-size: 22px; margin: 40px 0 12px; padding-top: 8px; border-top: 1px solid var(--line); }
.prose h3 { font-size: 18px; margin: 26px 0 10px; }
.prose p, .prose li { color: #cfd5e3; }
.prose a { text-decoration: underline; }
.prose code { font-family: var(--mono); font-size: 0.9em; background: var(--panel); border: 1px solid var(--line); padding: 1px 5px; border-radius: 5px; }
.prose pre { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; overflow-x: auto; font-size: 13px; line-height: 1.5; margin: 18px 0; }
.prose pre code { background: none; border: none; padding: 0; font-size: inherit; color: #cfd5e3; }
.prose table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14.5px; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.prose th { background: var(--panel); }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 30px 0; }
.doc-meta { font-family: var(--mono); font-size: 12.5px; color: var(--muted); margin-bottom: 28px; }

/* ---- footer ---- */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-2); margin-top: 20px; }
.footer-grid { display: grid; gap: 32px; grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr; padding: 52px 24px 30px; }
.footer-grid h2 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 0 0 14px; }
.footer-grid nav { display: flex; flex-direction: column; gap: 9px; }
.footer-grid nav a { color: var(--fg); font-size: 14.5px; }
.footer-grid nav a:hover { color: var(--accent); }
.footer-brand p { font-size: 14px; max-width: 34ch; margin: 12px 0 0; }
.footer-legal { padding: 18px 24px 40px; border-top: 1px solid var(--line); font-size: 13px; }

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .site-nav { gap: 14px; }
  .site-nav a:not(.nav-cta) { display: none; }
  section { padding: 56px 0; }
}