/* StorageDiag Utilities — product page theme.
   DOS 6.22 / Norton Disk Doctor TUI aesthetic: blue field, double-line cyan frames,
   white/yellow/cyan text, DOS raised buttons, subtle CRT scanlines. Self-contained. */
:root{
  --k:#080810; --blue:#0000a8; --blue-d:#00006e; --blue-hi:#1414d6;
  --cyan:#00a8a8; --cyan-hi:#54fcfc; --white:#fcfcfc; --gray:#c4c4d4; --dgray:#7a7a92;
  --yellow:#fcfc54; --amber:#fcb028; --green:#3ce85a; --red:#fc5454; --magenta:#e05ae0;
  --mono:'Cascadia Mono','Consolas','DejaVu Sans Mono','Liberation Mono','Courier New',monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--mono);font-size:15px;line-height:1.55;color:var(--gray);
  background:
    radial-gradient(120% 90% at 50% 0%, #10108a 0%, #05054a 45%, var(--k) 100%) fixed;
  min-height:100vh;-webkit-font-smoothing:none;text-rendering:optimizeLegibility;
}
/* subtle CRT scanlines + vignette (static; no flicker) */
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:50;
  background:
    repeating-linear-gradient(0deg, rgba(0,0,0,.16) 0 1px, transparent 1px 3px),
    radial-gradient(130% 120% at 50% 50%, transparent 60%, rgba(0,0,0,.45) 100%);
  mix-blend-mode:multiply;opacity:.5;
}
@media (prefers-reduced-motion: no-preference){
  .blink{animation:bl 1.05s steps(1) infinite}
  @keyframes bl{50%{opacity:0}}
}
a{color:var(--cyan-hi);text-decoration:none}
a:hover{color:var(--yellow);text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:14px 16px 60px}

/* ── DOS menu bar ─────────────────────────────────────────── */
.menubar{
  position:sticky;top:0;z-index:40;display:flex;flex-wrap:wrap;gap:2px;align-items:center;
  background:var(--gray);color:var(--blue-d);border-bottom:2px solid #000;
  padding:2px 8px;font-weight:700;box-shadow:0 2px 0 rgba(0,0,0,.5)
}
.menubar .mi{padding:1px 10px;color:var(--blue-d)}
.menubar .mi b{color:var(--red)}           /* hot key letter */
.menubar .spacer{flex:1}
.menubar .lang a{padding:1px 7px;color:var(--blue-d);border:1px solid transparent}
.menubar .lang a.on{background:var(--blue-d);color:var(--yellow)}
.menubar .lang a:hover{background:var(--blue);color:#fff;text-decoration:none}

/* ── DOS window / panel ───────────────────────────────────── */
.win{
  border:3px double var(--cyan-hi);background:linear-gradient(180deg,#0000b4,#000082);
  box-shadow:7px 7px 0 rgba(0,0,0,.55);margin:20px 0;position:relative
}
.win>.hd{
  background:var(--cyan-hi);color:var(--blue-d);font-weight:700;letter-spacing:.5px;
  padding:3px 10px;display:flex;align-items:center;gap:8px;text-transform:uppercase
}
.win>.hd .dot{color:var(--blue-d)}
.win>.bd{padding:16px 18px}
.win.alert{border-color:var(--yellow);background:linear-gradient(180deg,#141400,#0a0a00)}
.win.alert>.hd{background:var(--yellow)}
.win.danger>.hd{background:var(--red);color:#fff}

h1,h2,h3{color:var(--yellow);margin:.2em 0 .5em;line-height:1.2}
h2{font-size:22px;text-shadow:0 0 10px rgba(252,252,84,.35)}
h3{font-size:17px;color:var(--cyan-hi)}
h2 .glyph,h3 .glyph{color:var(--cyan-hi);margin-right:8px}
p{margin:.5em 0}
b,strong{color:var(--white)}
em{color:var(--amber);font-style:normal}
code,.kbd{font-family:var(--mono);background:#000;color:var(--green);padding:1px 6px;border:1px solid var(--cyan);border-radius:0}
.dim{color:var(--dgray)}

/* hero */
.hero{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.hero img.logo{width:132px;height:132px;image-rendering:auto;filter:drop-shadow(0 0 14px rgba(84,252,252,.4));flex:none}
.hero .h-txt{flex:1;min-width:260px}
.hero h1{font-size:38px;color:var(--white);letter-spacing:1px;text-shadow:0 0 16px rgba(84,252,252,.5),3px 3px 0 var(--blue-d);margin:0}
.hero .sub{color:var(--cyan-hi);font-size:15px;margin:4px 0 8px}
.hero .tag{color:var(--yellow);font-size:17px;font-weight:700}
.badges{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px}
.badge{background:#000;border:1px solid var(--cyan);color:var(--cyan-hi);padding:2px 9px;font-size:12.5px}
.badge.y{border-color:var(--yellow);color:var(--yellow)}
.badge.g{border-color:var(--green);color:var(--green)}

/* tool grid */
.tools{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;margin-top:8px}
.tool{border:2px solid var(--cyan);background:rgba(0,0,0,.35);padding:12px 14px}
.tool h3{margin:0 0 6px;font-size:16px}
.tool .t-ic{color:var(--yellow);font-weight:700}
.tool p{margin:.35em 0;font-size:14px;color:var(--gray)}

/* feature list with ► bullets */
ul.dos{list-style:none;margin:.4em 0;padding:0}
ul.dos li{position:relative;padding-left:22px;margin:.32em 0}
ul.dos li::before{content:"\25BA";position:absolute;left:2px;color:var(--cyan-hi);font-size:11px;top:3px}
ul.dos li b{color:var(--yellow)}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
figure{margin:0;border:2px solid var(--cyan);background:#000}
figure img{display:block;width:100%;height:auto}
figure figcaption{padding:6px 10px;font-size:12.5px;color:var(--cyan-hi);background:rgba(0,0,0,.6);border-top:1px solid var(--cyan)}

/* specs table */
table.specs{width:100%;border-collapse:collapse;margin:.4em 0}
table.specs td{border:1px solid var(--cyan);padding:5px 10px;vertical-align:top}
table.specs td:first-child{color:var(--yellow);white-space:nowrap;width:1%;font-weight:700;background:rgba(0,0,0,.35)}

/* DOS buttons */
.btnrow{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:6px}
.btn{
  font-family:var(--mono);font-size:14px;font-weight:700;cursor:pointer;
  background:var(--gray);color:var(--blue-d);padding:6px 16px;
  border-top:2px solid #fff;border-left:2px solid #fff;border-right:2px solid #000;border-bottom:2px solid #000;
  box-shadow:2px 2px 0 rgba(0,0,0,.5)
}
.btn:hover{background:#e6e6f2}
.btn:active{border-color:#000 #fff #fff #000;transform:translate(1px,1px);box-shadow:none}
.btn b{color:var(--red)}
.btn.pri{background:var(--yellow);color:var(--blue-d)}
.btn.pri:hover{background:#fff8a0}

/* callouts */
.note{border-left:4px solid var(--cyan-hi);background:rgba(0,0,0,.35);padding:8px 14px;margin:12px 0}
.note.warn{border-left-color:var(--red)}
.note .lbl{color:var(--yellow);font-weight:700}
.note.warn .lbl{color:var(--red)}

/* footer + toast */
.foot{margin-top:26px;color:var(--dgray);font-size:12.5px;text-align:center;line-height:1.7}
.foot b{color:var(--gray)}
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(30px);z-index:60;
  background:var(--green);color:#002000;font-weight:700;padding:8px 18px;border:2px solid #002000;
  box-shadow:3px 3px 0 rgba(0,0,0,.5);opacity:0;transition:.22s;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* language hub (index) */
.hub{max-width:640px;margin:8vh auto 0}
.hub .opt{display:flex;align-items:center;gap:14px;padding:12px 16px;border:2px solid var(--cyan);
  background:rgba(0,0,0,.35);margin:10px 0;color:var(--gray)}
.hub .opt:hover{background:var(--blue);border-color:var(--yellow);text-decoration:none;color:#fff}
.hub .opt .flag{font-size:26px}
.hub .opt .nm{color:var(--yellow);font-weight:700;font-size:17px}
.hub .opt .nm small{color:var(--cyan-hi);font-weight:400;display:block;font-size:12.5px}

@media (max-width:560px){
  body{font-size:14px}
  .hero h1{font-size:29px}.hero img.logo{width:96px;height:96px}
  .win>.bd{padding:12px}
}

/* Download buttons (SDU QPKG, per-arch) */
.dl-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.dl{flex:1 1 160px;display:flex;flex-direction:column;gap:2px;padding:11px 14px;
  border:1px solid var(--cyan);border-radius:8px;background:rgba(0,168,168,.08);
  color:var(--cyan-hi);text-decoration:none;transition:background .12s,border-color .12s}
.dl:hover{background:rgba(84,252,252,.16);border-color:var(--cyan-hi)}
.dl b{font-size:14px}
.dl span{font-size:11px;color:var(--dim,#7a7a92)}