/* ============================================================
   Hızlı IoT — Kurumsal Site Tasarım Sistemi (LIGHT)
   Aydınlık zemin + lacivert metin + amber "fosforlu kalem" vurgu.
   Cihaz panelleri ve terminal blokları bilinçli olarak koyu:
   sayfada donanımın kendisini temsil ederler.
   ============================================================ */
:root{
  /* sayfa */
  --paper:#F7F9FC;
  --surface:#FFFFFF;
  --ink:#0C1626;
  --muted:#5A6B82;
  --line:#DEE5F0;
  /* marka amber */
  --amber:#F9ED11;
  --amber-ink:#756A00;              /* açık zeminde okunur amber ailesi */
  --amber-soft:rgba(249,237,17,.24);
  --amber-line:rgba(170,158,0,.4);
  /* cihaz (koyu donanım blokları) */
  --dev-ink:#0A1220;
  --dev-panel:#0D1725;
  --dev-line:#1B2A3F;
  --dev-text:#E9EEF5;
  --dev-muted:#8C9BB0;
  --green:#41D98B;
  --red:#E5484D;
  /* tipografi */
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:'IBM Plex Sans',system-ui,-apple-system,sans-serif;
  --disp:'Chakra Petch',var(--sans);
  --maxw:1180px;
  --nav-h:72px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
/* şematik grid dokusu — açık zemin versiyonu */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background-image:
    linear-gradient(rgba(30,60,120,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(30,60,120,.055) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(ellipse 90% 65% at 50% 0%,#000 25%,transparent 78%);
          mask-image:radial-gradient(ellipse 90% 65% at 50% 0%,#000 25%,transparent 78%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(640px 320px at 72% 0%,rgba(249,237,17,.14),transparent 70%);
}
a{color:inherit}
img{max-width:100%;display:block}
::selection{background:var(--amber);color:var(--ink)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--amber-ink);outline-offset:3px;border-radius:4px}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* amber fosforlu kalem vurgusu (light temanın imzası) */
.mark{
  background:linear-gradient(transparent 58%,var(--amber) 58%,var(--amber) 94%,transparent 94%);
  padding:0 .08em;
}

/* ---------- ÜST NAVİGASYON ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-in{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  max-width:var(--maxw);margin:0 auto;padding:0 32px;height:var(--nav-h);
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{height:44px;width:44px;background:var(--dev-ink);border:1px solid var(--dev-line);border-radius:10px}
.brand b{font-family:var(--disp);font-weight:700;font-size:19px;letter-spacing:.02em;color:var(--ink)}
.brand b i{color:var(--amber-ink);font-style:normal}

.nav-links{display:flex;align-items:center;gap:4px;list-style:none}
.nav-links a{
  display:block;padding:10px 14px;border-radius:8px;
  text-decoration:none;font-size:15px;color:var(--muted);
  transition:color .15s,background .15s;
}
.nav-links a:hover{color:var(--ink);background:rgba(30,60,120,.06)}
.nav-links a[aria-current="page"]{color:var(--ink);font-weight:600}
.nav-links a[aria-current="page"]::after{
  content:"";display:block;height:3px;margin:2px 2px 0;
  background:var(--amber);border-radius:2px;
}
.nav-cta{
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border:1px solid var(--line);border-radius:8px;
  color:var(--ink);text-decoration:none;white-space:nowrap;background:var(--surface);
  transition:border-color .15s,background .15s;
}
.nav-cta:hover{border-color:var(--amber-line);background:var(--amber-soft)}
.nav-cta .dot{width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 3px var(--amber-soft);animation:blink 1.4s steps(1) infinite}

.nav-toggle{
  display:none;background:var(--surface);border:1px solid var(--line);border-radius:8px;
  width:44px;height:44px;cursor:pointer;color:var(--ink);
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:22px;height:22px}

/* ---------- BAŞLIKLAR ---------- */
.eyebrow{
  font-family:var(--mono);font-size:11.5px;font-weight:500;
  letter-spacing:.24em;color:var(--amber-ink);margin-bottom:16px;text-transform:uppercase;
}
h1{
  font-family:var(--disp);font-weight:700;
  font-size:clamp(2.2rem,5vw,3.6rem);
  line-height:1.08;letter-spacing:-.01em;margin-bottom:18px;color:var(--ink);
}
h2{
  font-family:var(--disp);font-weight:700;
  font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.15;margin-bottom:12px;color:var(--ink);
}
h3{font-family:var(--disp);font-weight:600;font-size:18px;margin-bottom:8px;color:var(--ink)}
.lead{color:var(--muted);font-size:17.5px;max-width:58ch}
.lead strong{color:var(--ink);font-weight:600}

.sec{padding:88px 0}
.sec-head{max-width:640px;margin-bottom:44px}
.sec-head p{color:var(--muted)}

/* ---------- BUTONLAR ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--disp);font-weight:600;font-size:15px;letter-spacing:.02em;
  padding:13px 24px;border-radius:9px;text-decoration:none;cursor:pointer;
  border:1px solid transparent;transition:transform .15s,box-shadow .15s,background .15s,border-color .15s;
}
.btn-amber{background:var(--amber);color:var(--ink);border-color:var(--amber-line)}
.btn-amber:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(170,158,0,.28)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:var(--surface)}
.btn-ghost:hover{border-color:var(--amber-line);background:var(--amber-soft)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}

/* ---------- HERO ---------- */
.hero{padding:96px 0 88px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}

/* ---------- CİHAZ PANELİ (koyu donanım bloğu) ---------- */
.panel-wrap{position:relative;display:flex;justify-content:center}
.rings{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}
.ring{position:absolute;border:1px solid rgba(150,138,0,.16);border-radius:50%;animation:pulse 4.5s ease-out infinite}
.ring:nth-child(1){width:340px;height:340px}
.ring:nth-child(2){width:460px;height:460px;animation-delay:1.5s}
.ring:nth-child(3){width:580px;height:580px;animation-delay:3s}
.panel{
  position:relative;width:min(420px,100%);
  background:linear-gradient(180deg,var(--dev-panel),var(--dev-ink));
  border:1px solid var(--dev-line);border-radius:16px;
  box-shadow:0 24px 60px rgba(12,22,38,.28),inset 0 1px 0 rgba(255,255,255,.04);
}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;border-bottom:1px solid var(--dev-line);
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--dev-muted);
}
.ph-brand{display:flex;align-items:center;gap:7px;color:var(--amber);font-weight:500}
.ph-brand svg{width:14px;height:14px}
.panel-body{padding:18px}
.leds{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:16px}
.led{display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--dev-muted)}
.led i{width:9px;height:9px;border-radius:50%;background:#22314A}
.led-on i{background:var(--green);box-shadow:0 0 8px rgba(65,217,139,.7)}
.led-amber i{background:var(--amber);box-shadow:0 0 8px rgba(249,237,17,.7);animation:blink 1.2s steps(1) infinite}
.log{
  font-family:var(--mono);font-size:12px;line-height:1.9;color:var(--dev-muted);
  background:rgba(0,0,0,.28);border:1px solid var(--dev-line);border-radius:10px;
  padding:14px 16px;min-height:150px;
}
.log .pfx{color:var(--amber)}
.st-ok{color:var(--green)}
.st-warn{color:var(--amber)}

/* ---------- KARTLAR ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cards-4{grid-template-columns:repeat(4,1fr)}
.cards-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--surface);
  border:1px solid var(--line);border-radius:14px;padding:26px;
  box-shadow:0 1px 2px rgba(12,22,38,.05);
  transition:border-color .2s,transform .2s,box-shadow .2s;
}
.card:hover{border-color:var(--amber-line);transform:translateY(-2px);box-shadow:0 10px 26px rgba(12,22,38,.08)}
.card p{color:var(--muted);font-size:14.5px}
.ic{
  width:44px;height:44px;border-radius:10px;margin-bottom:16px;
  display:flex;align-items:center;justify-content:center;
  background:var(--amber-soft);color:var(--ink);border:1px solid var(--amber-line);
}
.ic svg{width:22px;height:22px}

/* ---------- İSTATİSTİK BANDI ---------- */
.stats{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--surface);
}
.stats-in{
  display:grid;grid-template-columns:repeat(4,1fr);
  max-width:var(--maxw);margin:0 auto;padding:0 32px;
}
.stat{padding:30px 20px;border-left:1px solid var(--line)}
.stat:first-child{border-left:none}
.stat b{display:inline-block;font-family:var(--disp);font-weight:700;font-size:26px;color:var(--ink);margin-bottom:4px;
  background:linear-gradient(transparent 58%,var(--amber) 58%,var(--amber) 94%,transparent 94%);padding:0 .1em}
.stat span{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}

/* ---------- ÜRÜN SPOTLIGHT ---------- */
.spot{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  background:var(--surface);
  border:1px solid var(--line);border-radius:20px;padding:52px;
  box-shadow:0 1px 2px rgba(12,22,38,.05);
}
.spot+.spot{margin-top:22px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  color:var(--ink);background:var(--amber-soft);
  border:1px solid var(--amber-line);border-radius:999px;
  padding:6px 14px;margin-bottom:18px;text-transform:uppercase;
}
.badge-dev{background:rgba(30,60,120,.07);border-color:var(--line);color:var(--muted)}
.ticklist{list-style:none;margin:20px 0 6px}
.ticklist li{
  position:relative;padding:7px 0 7px 30px;color:var(--muted);font-size:15px;
}
.ticklist li::before{
  content:"";position:absolute;left:0;top:13px;width:16px;height:16px;
  background:var(--amber-soft);border:1px solid var(--amber-line);border-radius:5px;
}
.ticklist li::after{
  content:"";position:absolute;left:4px;top:16px;width:8px;height:5px;
  border-left:2px solid var(--amber-ink);border-bottom:2px solid var(--amber-ink);
  transform:rotate(-45deg);
}
.ticklist b{color:var(--ink);font-weight:600}

/* ---------- PLATFORM ŞEMASI (çekirdek + modüller) ---------- */
.plat{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.plat-core{
  background:linear-gradient(180deg,var(--dev-panel),var(--dev-ink));
  border:1px solid var(--dev-line);border-radius:18px;padding:28px;
  box-shadow:0 24px 60px rgba(12,22,38,.25);color:var(--dev-text);
}
.plat-core .ph{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--dev-muted);
  border-bottom:1px solid var(--dev-line);padding-bottom:14px;margin-bottom:14px;
}
.plat-core .ph span:first-child{color:var(--amber);display:flex;align-items:center;gap:7px}
.plat-core .ph svg{width:14px;height:14px}
.plat-core ul{list-style:none}
.plat-core li{
  display:flex;justify-content:space-between;gap:14px;
  font-family:var(--mono);font-size:12.5px;line-height:2.1;color:var(--dev-muted);
}
.plat-core li b{color:var(--dev-text);font-weight:500}
.plat-core li .st-ok{font-size:11px;letter-spacing:.1em}
.plat-mods{display:flex;flex-direction:column;gap:16px}
.mod{
  position:relative;display:block;text-decoration:none;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px 22px;
  box-shadow:0 1px 2px rgba(12,22,38,.05);
  transition:border-color .2s,transform .2s,box-shadow .2s;
}
.mod:hover{border-color:var(--amber-line);transform:translateX(3px);box-shadow:0 10px 26px rgba(12,22,38,.08)}
.mod::before{
  content:"";position:absolute;left:-44px;top:50%;width:44px;
  border-top:2px dashed rgba(150,138,0,.5);
}
.mod::after{
  content:"";position:absolute;left:-6px;top:50%;transform:translateY(-5px);
  width:9px;height:9px;border-radius:50%;background:var(--amber);border:2px solid var(--surface);
  box-shadow:0 0 0 1px var(--amber-line);
}
.mod .tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--amber-ink);text-transform:uppercase;margin-bottom:5px}
.mod h3{margin-bottom:3px}
.mod p{color:var(--muted);font-size:14px}
.mod .go{position:absolute;right:20px;top:50%;transform:translateY(-50%);color:var(--amber-ink);font-family:var(--disp);font-weight:700}

/* ---------- BREADCRUMB ---------- */
.crumbs{padding:26px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;gap:6px;list-style:none;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted)}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--amber-ink)}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--line)}
.crumbs [aria-current]{color:var(--ink)}

/* ---------- SPEC TABLOSU ---------- */
.spec{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface)}
.spec th,.spec td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:14.5px}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:none}
.spec th{
  font-family:var(--mono);font-weight:500;font-size:12px;letter-spacing:.1em;
  color:var(--muted);text-transform:uppercase;width:38%;
  background:#F0F4FA;vertical-align:top;
}
.spec td{color:var(--ink)}
.table-scroll{overflow-x:auto;border-radius:14px}

/* ---------- BOOT-LOG ZAMAN ÇİZELGESİ (koyu terminal) ---------- */
.bootlog{
  font-family:var(--mono);font-size:14px;line-height:1.7;
  background:linear-gradient(180deg,var(--dev-panel),var(--dev-ink));
  border:1px solid var(--dev-line);border-radius:16px;
  padding:10px 0;box-shadow:0 24px 60px rgba(12,22,38,.22);
}
.bl-row{
  display:grid;grid-template-columns:86px 1fr auto;gap:18px;align-items:baseline;
  padding:16px 26px;border-bottom:1px dashed rgba(27,42,63,.9);
}
.bl-row:last-child{border-bottom:none}
.bl-year{color:var(--amber);font-weight:500}
.bl-txt{color:var(--dev-text);font-family:var(--sans);font-size:15px}
.bl-txt b{color:#fff}
.bl-txt small{display:block;color:var(--dev-muted);font-size:13.5px;margin-top:2px}
.bl-st{font-size:12px;letter-spacing:.1em;white-space:nowrap}

/* ---------- KURUCU KARTLARI ---------- */
.founder{
  background:var(--surface);
  border:1px solid var(--line);border-radius:16px;padding:30px;
  box-shadow:0 1px 2px rgba(12,22,38,.05);
}
.founder .role{
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;
  color:var(--amber-ink);text-transform:uppercase;margin-bottom:10px;
}
.founder h3{font-size:21px}
.founder p{color:var(--muted);font-size:14.5px;margin-top:8px}
.legacy{
  border:1px solid var(--amber-line);background:var(--amber-soft);
  border-radius:16px;padding:30px;margin-top:18px;
}
.legacy .role{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--amber-ink);text-transform:uppercase;margin-bottom:10px}
.legacy p{color:var(--ink)}

/* ---------- CTA BANDI ---------- */
.cta-band{
  text-align:center;border:1px solid var(--line);border-radius:20px;
  background:
    radial-gradient(480px 200px at 50% 0%,rgba(249,237,17,.18),transparent 70%),
    var(--surface);
  padding:72px 32px;box-shadow:0 1px 2px rgba(12,22,38,.05);
}
.cta-band p{color:var(--muted);max-width:52ch;margin:0 auto}
.cta-band .btn-row{justify-content:center}

/* ---------- FORM ---------- */
.field{margin-bottom:18px}
.field label{
  display:block;font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  color:var(--muted);text-transform:uppercase;margin-bottom:8px;
}
.field input,.field textarea{
  width:100%;background:var(--surface);border:1px solid var(--line);border-radius:9px;
  padding:13px 16px;color:var(--ink);font-family:var(--sans);font-size:15px;
  transition:border-color .15s,box-shadow .15s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--amber-ink);box-shadow:0 0 0 3px var(--amber-soft)}
.field textarea{min-height:140px;resize:vertical}
.form-note{font-size:13px;color:var(--muted);margin-top:12px}
.form-warn{
  display:none;margin-top:16px;padding:14px 16px;border-radius:10px;
  background:var(--amber-soft);border:1px solid var(--amber-line);
  color:var(--ink);font-size:14px;
}
.form-warn.show{display:block}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:start}
.contact-card{
  border:1px solid var(--line);border-radius:14px;padding:24px;margin-bottom:16px;
  background:var(--surface);box-shadow:0 1px 2px rgba(12,22,38,.05);
}
.contact-card .k{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--amber-ink);text-transform:uppercase;margin-bottom:6px}
.contact-card p{color:var(--muted);font-size:14.5px}
.contact-card p.big{color:var(--ink);font-size:15px}

/* ---------- FOOTER ---------- */
footer{border-top:1px solid var(--line);margin-top:40px;background:#EEF2F8}
.foot-in{
  max-width:var(--maxw);margin:0 auto;padding:56px 32px 0;
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;
}
.foot-in p{color:var(--muted);font-size:14px;max-width:38ch;margin-top:12px}
.foot-h{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--amber-ink);text-transform:uppercase;margin-bottom:14px}
.foot-links{list-style:none}
.foot-links a{
  display:block;padding:5px 0;color:var(--muted);text-decoration:none;font-size:14.5px;
}
.foot-links a:hover{color:var(--ink)}
.foot-links li{color:var(--muted);font-size:14.5px;padding:5px 0}
.foot-bottom{
  max-width:var(--maxw);margin:44px auto 0;padding:20px 32px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;color:var(--muted);
}
.foot-bottom b{color:var(--amber-ink);font-weight:500}

/* ---------- ANİMASYONLAR ---------- */
@keyframes blink{0%,60%{opacity:1}61%,100%{opacity:.25}}
@keyframes pulse{0%{transform:scale(.85);opacity:.9}100%{transform:scale(1.12);opacity:0}}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

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

/* ---------- RESPONSIVE ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .cards,.cards-4{grid-template-columns:repeat(2,1fr)}
  .spot{grid-template-columns:1fr;padding:36px}
  .stats-in{grid-template-columns:repeat(2,1fr)}
  .stat{border-left:none;border-top:1px solid var(--line)}
  .stat:nth-child(-n+2){border-top:none}
  .stat:nth-child(2n){border-left:1px solid var(--line)}
  .contact-grid{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr 1fr}
  .plat{grid-template-columns:1fr;gap:28px}
  .mod::before,.mod::after{display:none}
}
@media (max-width:720px){
  .wrap{padding:0 20px}
  .nav-in{padding:0 20px}
  .nav-links{
    position:fixed;inset:var(--nav-h) 0 auto 0;z-index:49;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);
    padding:10px 20px 18px;display:none;box-shadow:0 18px 30px rgba(12,22,38,.08);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 10px;font-size:16px;border-bottom:1px solid var(--line)}
  .nav-links a[aria-current="page"]::after{display:none}
  .nav-links a[aria-current="page"]{color:var(--amber-ink)}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .sec{padding:64px 0}
  .hero{padding:64px 0}
  .cards,.cards-4{grid-template-columns:1fr}
  .stats-in{grid-template-columns:1fr;padding:0 20px}
  .stat{border-left:none!important;border-top:1px solid var(--line)}
  .stat:first-child{border-top:none}
  .bl-row{grid-template-columns:1fr;gap:4px}
  .bl-st{display:none}
  .mod .go{display:none}
  .foot-in{grid-template-columns:1fr;padding:44px 20px 0}
  .foot-bottom{padding:20px}
  .btn{width:100%;justify-content:center}
  .btn-row{flex-direction:column}
}

/* ---------- PCB 3D GÖRÜNTÜLEYİCİ (tıkla-yükle) ---------- */
.pcb3d{
  position:relative;aspect-ratio:16/10;border-radius:18px;overflow:hidden;
  background:linear-gradient(180deg,var(--dev-panel),var(--dev-ink));
  border:1px solid var(--dev-line);
  box-shadow:0 24px 60px rgba(12,22,38,.25);
}
.pcb3d>svg{position:absolute;inset:0;width:100%;height:100%}
.pcb3d .ol{
  position:absolute;inset:0;display:flex;flex-direction:column;gap:14px;
  align-items:center;justify-content:center;text-align:center;padding:20px;
  background:radial-gradient(60% 60% at 50% 50%,rgba(7,13,22,.18),rgba(7,13,22,.55));
}
.pcb3d .ol .btn{width:auto}
.pcb3d .ol p{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;color:var(--dev-muted)}
.pcb3d iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.pcb3d-meta{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:14px;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;color:var(--muted);
}
.pcb3d-meta a{color:var(--amber-ink);text-decoration:none;white-space:nowrap}
.pcb3d-meta a:hover{text-decoration:underline}
@media (max-width:720px){
  .pcb3d{aspect-ratio:4/5}
}

/* ---------- HERO 3D (frame'siz kart modeli) ---------- */
.hero3d{position:relative;width:100%;max-width:520px;aspect-ratio:1/1;margin-inline:auto}
.hero3d canvas{
  position:absolute;inset:0;width:100%!important;height:100%!important;display:block;
  opacity:0;transition:opacity .9s ease;cursor:grab;
}
.hero3d.on canvas{opacity:1}
.hero3d.drag canvas{cursor:grabbing}
.h3-poster{position:absolute;inset:10%;width:80%;height:80%;opacity:.9;transition:opacity .5s ease}
.hero3d.on .h3-poster{opacity:0;pointer-events:none}
.h3-chip{
  position:absolute;left:0;bottom:6px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  box-shadow:0 4px 14px rgba(12,22,38,.08);
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--ink);
}
.h3-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 3px var(--amber-soft);animation:blink 1.4s steps(1) infinite}
.h3-hint{position:absolute;right:0;bottom:12px;z-index:2;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--muted)}
@media (max-width:720px){
  .hero3d{max-width:420px;aspect-ratio:5/4}
  .h3-hint{display:none}
}