/* ============================================================
   Gurizon · Anasayfa demoları (A/B/C) — ortak katman
   Sayfa kökü: <main class="nd na|nb|nc">. Açık tema kuralı:
   zemin krem/beyaz, koyu metin, kırmızı aksan; zemin görseli yok.
   ============================================================ */

/* Site geneli kırmızı "nefes" zeminini demolarda sakinleştir */
body.nd-body::before{
  animation:none !important;
  background:
    radial-gradient(ellipse 900px 600px at 85% 0%, rgba(220,38,38,.07), transparent 60%),
    linear-gradient(180deg,#fbf8f3 0%,#f8f3ea 100%) !important;
}
body.nd-body::after{opacity:.22 !important}

.nd{
  --ink:#16120f; --ink-2:#2b2521; --mute:#6d645c; --mute-2:#978d84;
  --red:#dc2626; --red-d:#b91c1c; --red-l:#fee2e2;
  --cream:#fbf8f3; --paper:#ffffff; --line:rgba(22,18,15,.10); --line-2:rgba(22,18,15,.16);
  color:var(--ink); font-family:'Manrope',system-ui,sans-serif;
  overflow-x:clip;
}
.nd *{box-sizing:border-box}
.nd h1,.nd h2,.nd h3,.nd h4{color:var(--ink);margin:0}
.nd p{margin:0}
.nd .wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* Butonlar */
.nd .b-red,.nd .b-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:16px 26px;border-radius:14px;font-weight:800;font-size:15.5px;
  letter-spacing:.1px;line-height:1.1;transition:transform .2s,box-shadow .2s,background .2s;
}
.nd .b-red{background:linear-gradient(120deg,#ef4444,#dc2626);color:#fff;
  box-shadow:0 16px 40px -14px rgba(220,38,38,.6),0 4px 14px rgba(220,38,38,.22)}
.nd .b-red:hover{transform:translateY(-2px);box-shadow:0 22px 50px -14px rgba(220,38,38,.7),0 6px 18px rgba(220,38,38,.3)}
.nd .b-ghost{background:#fff;color:var(--ink);border:1px solid var(--line-2);box-shadow:0 6px 18px -10px rgba(22,18,15,.25)}
.nd .b-ghost:hover{transform:translateY(-2px);border-color:rgba(22,163,74,.45)}
.nd .b-ghost .fa-whatsapp{color:#16a34a;font-size:18px}

/* Kaydırınca belirme — threshold 0 (bkz. mobil-uyum notu: yüksek
   elemanlar %12'ye hiç ulaşamıyor). JS yoksa içerik görünür kalır. */
html.nd-js .nd .rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
html.nd-js .nd .rv.in{opacity:1;transform:none}
html.nd-js .nd .rv.d1{transition-delay:.08s} html.nd-js .nd .rv.d2{transition-delay:.16s}
html.nd-js .nd .rv.d3{transition-delay:.24s} html.nd-js .nd .rv.d4{transition-delay:.32s}

/* Gerçek referans logoları */
.nd-refs{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:18px 44px}
.nd-refs a{display:flex;align-items:center;height:44px;opacity:.62;filter:grayscale(1);transition:opacity .25s,filter .25s,transform .25s}
.nd-refs a:hover{opacity:1;filter:none;transform:translateY(-2px)}
.nd-refs img{height:36px;max-width:150px;width:auto;object-fit:contain}

/* Demo seçici (yalnız demo sayfalarında) */
.nd-switch{
  position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:9990;
  display:flex;align-items:center;gap:6px;padding:6px 6px 6px 14px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(22,18,15,.12);border-radius:999px;
  box-shadow:0 18px 40px -16px rgba(22,18,15,.35);font-family:'Manrope',sans-serif;
}
.nd-switch .lbl{font-size:12px;font-weight:700;color:#6d645c;margin-right:4px;white-space:nowrap}
.nd-switch a{display:flex;align-items:center;gap:7px;padding:8px 14px;border-radius:999px;
  font-size:13px;font-weight:800;color:#16120f;white-space:nowrap;transition:background .2s}
.nd-switch a b{display:grid;place-items:center;min-width:20px;height:20px;padding:0 5px;border-radius:999px;
  background:#f1ebe2;font-size:11px}
.nd-switch a[data-old]{opacity:.6;font-weight:700}
.nd-switch a[data-old]:hover,.nd-switch a[data-old].on{opacity:1}
.nd-switch a:hover{background:#f6f0e7}
.nd-switch a.on{background:#16120f;color:#fff}
.nd-switch a.on b{background:#dc2626;color:#fff}
@media (max-width:640px){
  .nd-switch{bottom:10px;padding:5px;gap:2px}
  .nd-switch .lbl{display:none}
  .nd-switch a{padding:7px 10px;font-size:12px}
  .nd-switch a span{display:none}
}

@media (prefers-reduced-motion:reduce){
  html.nd-js .nd .rv{opacity:1;transform:none;transition:none}
  .nd *,.nd *::before,.nd *::after{animation-duration:.001s !important;animation-iteration-count:1 !important}
}
.nd .nb-anchor{display:block;height:0;scroll-margin-top:120px}