:root {
  --bg: #070b09;
  --panel: #0b120e;
  --phosphor: #35f08c;
  --phosphor-dim: #1e8f55;
  --paper: #d8ffe9;
  --magenta: #e94fd0;
  --line: #14301f;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--paper);
  font-family: 'IBM Plex Mono', 'Consolas', monospace;
  font-size: 16.5px;
  line-height: 1.6;
  position: relative;
}
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(0,0,0,.16) 0px, rgba(0,0,0,.16) 1px, transparent 1px, transparent 3px);
  z-index: 90;
}
a { color: var(--phosphor); text-decoration: none; }
img { display: block; max-width: 100%; }
section { scroll-margin-top: 70px; }
h1, h2 { font-family: 'VT323', 'IBM Plex Mono', monospace; font-weight: 400; }

.cursor { display: inline-block; animation: blink 1.1s steps(1) infinite; color: var(--phosphor); }
.cursor.big { font-size: .6em; vertical-align: baseline; margin-left: 8px; }
@keyframes blink { 50% { opacity: 0; } }

nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; gap: 28px;
  padding: 13px 26px;
  background: rgba(7,11,9,.94);
  border-bottom: 1px solid var(--line);
}
nav .brand { font-family: 'IBM Plex Mono', monospace; font-weight: 600; font-size: 15px; color: var(--paper); letter-spacing: .04em; }
nav .links { margin-left: auto; display: flex; gap: 24px; }
nav .links a { font-size: 13px; letter-spacing: .06em; color: var(--phosphor-dim); }
nav .links a:hover { color: var(--phosphor); }
@media (max-width: 640px) { nav .links { gap: 12px; } nav .links a { font-size: 11px; } }

header.boot {
  min-height: 62vh;
  display: flex; align-items: center;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 50% -10%, rgba(53,240,140,.07), transparent 60%),
    var(--bg);
}
.boot-inner { max-width: 960px; margin: 0 auto; padding: 70px 26px 60px; width: 100%; }
.prompt { color: var(--phosphor-dim); font-size: 15px; margin-bottom: 18px; }
header.boot h1 {
  font-size: clamp(64px, 12vw, 150px);
  line-height: .85;
  color: var(--phosphor);
  text-shadow: 0 0 18px rgba(53,240,140,.35);
  letter-spacing: .01em;
}
.tagline { color: var(--paper); max-width: 560px; margin: 26px 0 30px; }
.format-bar { font-size: 14px; color: var(--phosphor-dim); }
.format-bar .bar { color: var(--phosphor); letter-spacing: -1px; }
.format-bar .label { margin-left: 14px; }

.wrap { max-width: 960px; margin: 0 auto; padding: 72px 26px; }
h2 { font-size: clamp(30px, 4.6vw, 44px); color: var(--paper); margin-bottom: 8px; }
h2 .dim, .dim { color: var(--phosphor-dim); }
.listing { font-size: 14px; margin-bottom: 24px; }

.disk { display: block; border: 1px solid var(--phosphor-dim); background: var(--panel); }
.disk:hover { border-color: var(--phosphor); box-shadow: 0 0 24px rgba(53,240,140,.12); }
.disk img { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; border-bottom: 1px solid var(--line); }
.disk img.pixel { image-rendering: pixelated; }
.disk .body { padding: 20px 24px 24px; }
.filename { font-weight: 600; font-size: 18px; color: var(--paper); }
.filename .attr { color: var(--magenta); font-weight: 400; font-size: 14px; margin-left: 10px; }
.filedesc { color: #9adbb8; font-size: 15px; margin: 10px 0 16px; max-width: 780px; }
.run { display: inline-block; border: 1px solid var(--phosphor); padding: 9px 18px; font-size: 14px; letter-spacing: .04em; color: var(--phosphor); transition: all .12s ease; }
.disk:hover .run { background: var(--phosphor); color: var(--bg); }

.readme { border-left: 2px solid var(--phosphor-dim); padding-left: 22px; max-width: 760px; }
.readme p { color: #9adbb8; margin-bottom: 14px; }
.readme b { color: var(--paper); }

footer { border-top: 1px solid var(--line); padding: 36px 26px 48px; text-align: center; font-size: 13.5px; color: var(--phosphor-dim); }
footer .sysline { color: var(--phosphor); letter-spacing: .08em; margin-bottom: 12px; }
footer p { max-width: 720px; margin: 5px auto; }