/* RackAudioSuite — charte « façade hi-fi années 90 » (alu gris clair, touches en relief, LED, afficheur VFD).
   Tout en CSS. Mode sombre automatique (alu « noir mat »). Aucune animation si « réduire les animations ». */

@font-face{font-family:"Share Tech Mono";src:url("fonts/share-tech-mono-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}

:root{
  --alu-top:#f1f1ef; --alu-bot:#c9c8c5; --edge:#3c3d3f;
  --key-top:#fbfbfa; --key-mid:#e4e4e2; --key-bot:#b8b8b5; --key-edge:#6d6e70;
  --ink:#2a2b2d; --muted:#4b4c4f; --engrave-hi:#ffffff; --engrave-lo:#a9a8a5;
  --vfd-frame:#111111; --vfd-glass:#06110f; --vfd:#6cf2d8; --amber:#ffae2e;
  --led-on:#33d35c; --led-red:#ff3b2f; --led-off:#2c2e30;
  --focus:#ff9a1f; --panel-edge:#3c3d3f;
  --todo-bg:#fff3b0; --todo-ink:#3a3000; --todo-line:#8a7300;
  --page-top:#e6e6e3; --page-bot:#cfcecb; --brush:rgba(0,0,0,.025);
  --r:10px; --rk:4px;
  --font-title:"Inter","Helvetica Neue",Helvetica,Arial,sans-serif;
  --font-body:"Inter","Helvetica Neue",Helvetica,Arial,sans-serif;
  --font-screen:"Share Tech Mono",Menlo,Consolas,ui-monospace,monospace;
  --border:1px solid var(--key-edge);
  color-scheme:light;
}


*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;color:var(--ink);font:16px/1.65 var(--font-body);
  background:repeating-linear-gradient(90deg,var(--brush) 0 1px,transparent 1px 4px),linear-gradient(180deg,var(--page-top),var(--page-bot)) fixed;background-color:var(--page-bot)}
img,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-underline-offset:3px}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}
.wrap{max-width:940px;margin:0 auto;padding-inline:16px}

h1,h2{font-family:var(--font-title);font-weight:800;text-transform:uppercase;letter-spacing:.06em;line-height:1.15;margin:0 0 .6em;color:var(--ink);text-wrap:balance;text-shadow:0 1px 0 var(--engrave-hi)}
h1{font-size:clamp(1.5rem,4.6vw,2.4rem)}
h2{font-size:clamp(1.05rem,2.6vw,1.3rem)}
p{margin:0 0 1em}
code{font-family:var(--font-screen);font-size:.9em;background:var(--key-mid);border:1px solid var(--key-edge);border-radius:3px;padding:0 5px;word-break:break-word}

/* Façade (bloc) */
.facade,.panel{position:relative;background:linear-gradient(180deg,var(--alu-top),var(--alu-bot));border:1px solid var(--panel-edge);border-radius:var(--r);
  box-shadow:inset 0 1px 0 var(--engrave-hi),0 6px 18px rgba(0,0,0,.18);padding:26px 24px}
.facade>h2,.panel>h2{padding-bottom:12px;margin-bottom:18px;border-bottom:1px solid var(--engrave-lo);box-shadow:0 1px 0 var(--engrave-hi)}
main>*+*{margin-top:26px}
main{padding-top:26px}

/* Touche poussoir */
.btn,summary.key,.lang{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:800 .8rem/1 var(--font-title);letter-spacing:.12em;text-transform:uppercase;text-decoration:none;
  color:var(--ink);padding:13px 20px;border:1px solid var(--key-edge);border-radius:var(--rk);cursor:pointer;
  background:linear-gradient(180deg,var(--key-top),var(--key-mid) 55%,var(--key-bot));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.7),0 2px 0 rgba(0,0,0,.35),0 3px 5px rgba(0,0,0,.2);text-shadow:0 1px 0 var(--engrave-hi)}
.btn:hover{filter:brightness(1.07)}
.btn:active{background:linear-gradient(0deg,var(--key-top),var(--key-mid) 55%,var(--key-bot));box-shadow:inset 0 1px 3px rgba(0,0,0,.3);transform:translateY(1px);filter:none}
.btn:active>*,.btn:active{padding-top:13.5px}
.btn-small{padding:10px 14px;font-size:.72rem}
.btn[aria-disabled=true]{cursor:not-allowed;filter:grayscale(.3) brightness(.95);box-shadow:inset 0 1px 0 rgba(255,255,255,.5);color:var(--muted)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:18px 0}
@media (prefers-reduced-motion:reduce){.btn:active{transform:none}}

/* LED */
.led{display:inline-block;flex:none;width:.72em;height:.72em;border-radius:50%;background:var(--led-on);box-shadow:0 0 0 1px rgba(0,0,0,.55),0 0 7px 1px color-mix(in srgb,var(--led-on) 70%,transparent),inset 0 1px 1px rgba(255,255,255,.55);vertical-align:-1px;margin-right:9px}
.led-red{background:var(--led-red);box-shadow:0 0 0 1px rgba(0,0,0,.55),0 0 7px 1px color-mix(in srgb,var(--led-red) 70%,transparent),inset 0 1px 1px rgba(255,255,255,.55)}
.led-amber{background:var(--amber);box-shadow:0 0 0 1px rgba(0,0,0,.55),0 0 7px 1px color-mix(in srgb,var(--amber) 70%,transparent),inset 0 1px 1px rgba(255,255,255,.55)}
.led-off{background:var(--led-off);box-shadow:0 0 0 1px rgba(0,0,0,.55)}

/* Afficheur VFD */
.vfd{position:relative;background:var(--vfd-glass);border:4px solid var(--vfd-frame);border-radius:6px;color:var(--vfd);font-family:var(--font-screen);
  text-shadow:0 0 6px rgba(108,242,216,.55);box-shadow:inset 0 0 14px rgba(0,0,0,.8),0 1px 0 var(--engrave-hi);
  background-image:radial-gradient(rgba(108,242,216,.07) 1px,transparent 1.2px);background-size:4px 4px;padding:14px 18px}
.vfd-row{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.vfd-title{font-size:clamp(1.5rem,6vw,2.7rem);letter-spacing:.12em;line-height:1.1;text-transform:uppercase}
.vfd-tags{display:flex;flex-direction:column;align-items:flex-end;gap:2px;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase}
.vfd .am{color:var(--amber);text-shadow:0 0 6px rgba(255,174,46,.5)}
.wip{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-screen);font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;border-radius:4px;padding:6px 12px;margin:0 0 1em;
  background:var(--vfd-glass);color:var(--vfd);border:3px solid var(--vfd-frame);text-shadow:0 0 6px rgba(108,242,216,.5)}
.wip .led{margin:0}

/* Contenu */
.kicker{font:700 .72rem/1.4 var(--font-title);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0 0 .9em}
.lead{font-size:1.1rem;color:var(--ink);max-width:38em}
.hero .vfd{margin-bottom:22px}
.hero h1{margin-top:6px}
.keys{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.keys .btn{padding:11px 16px;font-size:.72rem}

.shots{display:grid;gap:18px}
.shot{margin:0}
.shot .scroll{overflow-x:auto;border-radius:6px;border:1px solid var(--key-edge);box-shadow:inset 0 1px 0 var(--engrave-hi)}
.shot img{width:100%;min-width:720px}
.shot figcaption{margin-top:8px;font:700 .72rem/1.4 var(--font-title);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

.feats{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.feats li{position:relative;padding-left:26px}
.feats li::before{content:"";position:absolute;left:2px;top:.5em;width:.7em;height:.7em;border-radius:50%;background:var(--led-on);box-shadow:0 0 0 1px rgba(0,0,0,.55),0 0 7px 1px rgba(51,211,92,.6),inset 0 1px 1px rgba(255,255,255,.55)}
.limit{margin:22px 0 0;padding-top:16px;border-top:1px solid var(--engrave-lo);box-shadow:0 -1px 0 var(--engrave-hi);color:var(--ink);font-size:.95rem}
.limit strong{letter-spacing:.1em;text-transform:uppercase;font-size:.75rem}

.download .meta{font-family:var(--font-screen);font-size:.95rem;letter-spacing:.04em;margin:0 0 .3em}
.download .note{color:var(--muted);font-size:.92rem;margin:0 0 .4em}
.wipnote{font-weight:600;color:var(--ink)!important}

/* FAQ : touches dépliantes */
details{margin-bottom:10px;border:1px solid var(--key-edge);border-radius:var(--rk);background:linear-gradient(180deg,var(--key-top),var(--key-mid));box-shadow:inset 0 1px 0 rgba(255,255,255,.6),0 2px 0 rgba(0,0,0,.25)}
summary{cursor:pointer;padding:13px 16px;font-weight:700;list-style:none;display:flex;align-items:center;gap:10px}
summary::-webkit-details-marker{display:none}
summary::before{content:"";width:.7em;height:.7em;border-radius:50%;background:var(--led-off);box-shadow:0 0 0 1px rgba(0,0,0,.55);flex:none}
details[open]>summary::before{background:var(--led-on);box-shadow:0 0 0 1px rgba(0,0,0,.55),0 0 7px 1px rgba(51,211,92,.6)}
details[open]>summary{border-bottom:1px solid var(--engrave-lo)}
details>div{padding:12px 16px 4px;color:var(--ink)}

.todo{font-family:var(--font-screen);font-size:.85em;background:var(--todo-bg);color:var(--todo-ink);border:1px dashed var(--todo-line);border-radius:4px;padding:0 4px}

/* Pied de page */
.site-footer{margin-top:40px;padding-block:8px 40px;font-size:.9rem;color:var(--muted)}
.site-footer .wrap{border-top:1px solid var(--engrave-lo);box-shadow:0 -1px 0 var(--engrave-hi);padding-top:22px}
.site-footer a{color:var(--ink)}
.legal-link{margin-top:14px}
.fine{font-size:.82rem}

.shot,.facade,main>*{min-width:0}
.shot img{min-width:720px}

/* Pop-up */
dialog.pop{position:fixed;inset:0;height:fit-content;width:min(92vw,440px);margin:auto;padding:24px;color:var(--ink)}
dialog.pop::backdrop{background:rgba(10,10,12,.6)}
dialog.pop p{margin:18px 0}
dialog.pop form{margin:0;text-align:right}

/* Mobile : les captures tiennent en entier dans l'écran (touche pour agrandir) */
.shot a{display:block}
@media (max-width:720px){.shot img{min-width:0}.shot .scroll{overflow:visible}}