/* ═══════════════════════════════════════════
   NEUROMECH · base tokens
   amber = fiziksel dünya / donanım
   cyan  = yapay zekâ katmanı / veri
   ═══════════════════════════════════════════ */
:root{
  --void:#080A0E;
  --steel:#10141B;
  --steel2:#161C25;
  --steel3:#1D2532;
  --line:#252E3C;
  --line2:#323D4E;

  --amber:#FFB01F;
  --amber-d:#C4820A;
  --amber-g:rgba(255,176,31,.14);
  --scan:#3DE0DA;
  --scan-d:#17A9A4;
  --scan-g:rgba(61,224,218,.12);
  --alert:#FF4A38;
  --alert-g:rgba(255,74,56,.14);

  --paper:#E9EEF5;
  --mute:#8894A6;
  --mute2:#5D6879;

  --hazard:repeating-linear-gradient(-45deg,var(--amber) 0 10px,transparent 10px 20px);

  --f-disp:"Saira Condensed",Impact,"Arial Narrow",sans-serif;
  --f-ui:"Saira","Segoe UI",sans-serif;
  --f-body:"IBM Plex Sans","Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;

  --r:3px;
  --r2:6px;
  --wrap:1280px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:70px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--void);color:var(--paper);
  font-family:var(--f-body);font-size:16px;line-height:1.62;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{ /* ince teknik grid dokusu */
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.55;
  background-image:linear-gradient(rgba(255,255,255,.016) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.016) 1px,transparent 1px);
  background-size:64px 64px;
}
img,canvas,video,svg{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
a{color:inherit;text-decoration:none}
code{font-family:var(--f-mono)}
::selection{background:var(--amber);color:#000}

h1,h2,h3{margin:0;font-family:var(--f-disp);font-weight:900;line-height:.94;letter-spacing:-.01em;text-transform:uppercase}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(18px,4vw,40px);position:relative;z-index:1}
.skip{position:absolute;left:-9999px;top:0;z-index:99;background:var(--amber);color:#000;padding:10px 16px}
.skip:focus{left:8px;top:8px}
.is-hidden{display:none!important}
.tiny{font-size:11px}
.ok{color:var(--scan)}

:focus-visible{outline:2px solid var(--scan);outline-offset:2px}

/* ── BUTTONS ─────────────────────────────── */
.btn{
  --bg:transparent;--fg:var(--paper);--bd:var(--line2);
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 22px;background:var(--bg);color:var(--fg);
  border:1px solid var(--bd);border-radius:var(--r);
  font-family:var(--f-ui);font-weight:700;font-size:13px;
  letter-spacing:.06em;text-transform:uppercase;
  transition:transform .16s var(--ease),background .18s,border-color .18s,color .18s,box-shadow .18s;
  position:relative;overflow:hidden;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.35;cursor:not-allowed;transform:none}
.btn__arrow{transition:transform .2s var(--ease)}
.btn:hover .btn__arrow{transform:translateX(4px)}

.btn--amber{--bg:var(--amber);--fg:#0B0803;--bd:var(--amber)}
.btn--amber:hover{box-shadow:0 6px 26px -6px rgba(255,176,31,.6)}
.btn--cyan{--bg:transparent;--fg:var(--scan);--bd:var(--scan-d)}
.btn--cyan:hover{--bg:var(--scan-g);box-shadow:0 6px 26px -10px rgba(61,224,218,.6)}
.btn--ghost{--bg:rgba(255,255,255,.02)}
.btn--ghost:hover{--bd:var(--mute);background:rgba(255,255,255,.05)}
.btn--sm{padding:8px 13px;font-size:11px;letter-spacing:.05em}
.btn--lg{padding:16px 30px;font-size:14px}
.btn--full{width:100%}
.btn--file{position:relative;overflow:hidden}
.btn--file input{position:absolute;inset:0;opacity:0;cursor:pointer;font-size:200px}

/* ── SECTION HEADS ───────────────────────── */
.shead{max-width:820px;margin-bottom:clamp(38px,5vw,62px)}
.shead__kicker{
  display:flex;align-items:center;gap:10px;margin-bottom:18px;
  font-family:var(--f-mono);font-size:11.5px;font-weight:600;
  letter-spacing:.2em;text-transform:uppercase;color:var(--amber);
}
.shead__kicker i{width:26px;height:2px;background:var(--amber);flex:none}
.shead__kicker--cyan{color:var(--scan)}
.shead__kicker--cyan i{background:var(--scan)}
.shead__title{font-size:clamp(30px,5.4vw,60px)}
.shead__sub{margin-top:20px;color:var(--mute);font-size:clamp(15px,1.6vw,17px);max-width:72ch}
.shead__sub b{color:var(--paper);font-weight:600}

.pane__label{
  font-family:var(--f-mono);font-size:10.5px;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--mute2);margin-bottom:10px;
  display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;
}
.pane__label em{font-style:normal;letter-spacing:.06em;color:var(--line2);text-transform:none}
.empty{color:var(--mute2);font-size:13px;font-family:var(--f-mono);padding:26px 4px;text-align:center;width:100%}
.hint{font-size:12px;color:var(--mute2);line-height:1.5;margin-top:8px}

/* ── REVEAL ──────────────────────────────── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}