/* Bilgetek Pano demo — paylaşımlı tasarım sistemi.
   Kimlik: antrasit + bakır (bara), RAL 7035 gri yüzey, IBM Plex.
   Tüm sayfalar bunu /demo/pano/assets/site.css (kök-mutlak) ile yükler. */

/* ---------- fonts ---------- */
@font-face{font-family:"Plex Sans";font-weight:400;font-style:normal;font-display:swap;
  src:url("/demo/pano/assets/fonts/plex-sans-400.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Plex Sans";font-weight:400;font-style:normal;font-display:swap;
  src:url("/demo/pano/assets/fonts/plex-sans-400-ext.woff2") format("woff2");
  unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:"Plex Sans";font-weight:600;font-style:normal;font-display:swap;
  src:url("/demo/pano/assets/fonts/plex-sans-600.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Plex Sans";font-weight:600;font-style:normal;font-display:swap;
  src:url("/demo/pano/assets/fonts/plex-sans-600-ext.woff2") format("woff2");
  unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:"Plex Sans";font-weight:700;font-style:normal;font-display:swap;
  src:url("/demo/pano/assets/fonts/plex-sans-700.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Plex Sans";font-weight:700;font-style:normal;font-display:swap;
  src:url("/demo/pano/assets/fonts/plex-sans-700-ext.woff2") format("woff2");
  unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:"Plex Mono";font-weight:400;font-style:normal;font-display:swap;
  src:url("/demo/pano/assets/fonts/plex-mono-400.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Plex Mono";font-weight:400;font-style:normal;font-display:swap;
  src:url("/demo/pano/assets/fonts/plex-mono-400-ext.woff2") format("woff2");
  unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:"Plex Mono";font-weight:500;font-style:normal;font-display:swap;
  src:url("/demo/pano/assets/fonts/plex-mono-500.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Plex Mono";font-weight:500;font-style:normal;font-display:swap;
  src:url("/demo/pano/assets/fonts/plex-mono-500-ext.woff2") format("woff2");
  unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}

/* ---------- tokens ---------- */
:root{
  --ink:#191c21; --body:#42474f; --muted:#79818b;
  --bg:#ffffff; --surface:#f4f5f3; --surface-2:#eceeeb;
  --line:#e3e5e2; --line-strong:#d3d6d2;
  --dark:#16191e; --dark-2:#1e222a; --dark-line:rgba(255,255,255,.12);
  --dark-ink:#f3f5f7; --dark-body:#c2c8d0; --dark-muted:#8b93a0;
  --copper:#b0673c; --copper-ink:#985630; --copper-2:#d68f57; --copper-glow:#e3a866;
  --led:#37c96a; --led-soft:#2ba85a; --fault:#e5484d; --amber:#e0a13a;
  --busbar:#c8834a;
  --wrap:1180px; --gut:24px; --r:10px; --r-sm:7px;
  --sans:"Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:"Plex Mono",ui-monospace,"SFMono-Regular",Consolas,monospace;
}

/* ---------- reset / base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html,body{overflow-x:hidden;max-width:100%}
body{margin:0;background:var(--bg);color:var(--body);font-family:var(--sans);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4,p,li,a,summary,span{overflow-wrap:break-word}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.16;font-weight:700;letter-spacing:-.015em}
h1{font-size:clamp(30px,4.3vw,50px)}
h2{font-size:clamp(24px,3vw,35px)}
h3{font-size:19px;font-weight:600}
h4{font-size:15px;font-weight:600}
p{margin:0}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
strong{color:var(--ink);font-weight:600}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px;border-radius:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.eyebrow{font-family:var(--sans);font-size:12.5px;font-weight:600;letter-spacing:.02em;
  color:var(--copper-ink);display:inline-flex;align-items:center;gap:8px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--copper);border-radius:2px}
.dark .eyebrow{color:var(--copper-2)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:8px;padding:12px 20px;
  font-family:var(--sans);font-weight:600;font-size:14.5px;border:1px solid transparent;
  cursor:pointer;transition:background .15s,border-color .15s,color .15s,transform .15s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--copper);color:#fff}
.btn-primary:hover{background:var(--copper-ink)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--copper);color:var(--copper-ink)}
.dark .btn-ghost{border-color:rgba(255,255,255,.28);color:#fff;background:transparent}
.dark .btn-ghost:hover{border-color:var(--copper-2);color:var(--copper-2)}
.btn-arrow::after{content:"→";font-size:15px;transition:transform .15s}
.btn:hover .btn-arrow::after,.btn-arrow:hover::after{transform:translateX(3px)}

/* ---------- header / nav ---------- */
.demo-strip{background:var(--dark);color:var(--dark-muted);font-size:12.5px;text-align:center;
  padding:7px 16px;border-bottom:1px solid var(--dark-line)}
.demo-strip a{color:var(--copper-2);border-bottom:1px solid rgba(214,143,87,.4)}
header.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(1.3) blur(9px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;color:var(--ink);letter-spacing:-.02em;font-size:17px}
.brand .mark{width:32px;height:32px;flex:none}
.brand small{display:block;font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-top:1px}
.nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-links > a,.nav-drop > button{font-family:var(--sans);font-size:14.5px;font-weight:500;color:var(--body);
  background:none;border:0;cursor:pointer;padding:8px 12px;border-radius:7px;display:inline-flex;align-items:center;gap:5px}
.nav-links > a:hover,.nav-drop > button:hover{color:var(--ink);background:var(--surface)}
.nav-links > a[aria-current="page"]{color:var(--copper-ink)}
.nav-drop{position:relative}
.nav-drop > button::after{content:"";width:7px;height:7px;border-right:1.6px solid currentColor;
  border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .15s;opacity:.6}
.nav-drop[data-open="true"] > button::after{transform:rotate(-135deg) translateY(-1px)}
.nav-menu{position:absolute;top:calc(100% + 8px);left:0;min-width:260px;background:#fff;
  border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 40px -20px rgba(20,23,28,.4);
  padding:8px;display:none;grid-template-columns:1fr}
.nav-drop[data-open="true"] .nav-menu{display:grid}
.nav-menu a{display:flex;flex-direction:column;gap:1px;padding:9px 12px;border-radius:8px}
.nav-menu a:hover{background:var(--surface)}
.nav-menu a b{font-size:14px;color:var(--ink);font-weight:600}
.nav-menu a span{font-size:12px;color:var(--muted)}
.nav-cta{margin-left:12px}
.menu-btn{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line);border-radius:9px;
  background:#fff;cursor:pointer;position:relative}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:11px;width:18px;
  height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.menu-btn span{top:20px}.menu-btn span::before{top:-6px}.menu-btn span::after{top:6px}
body.menu-open .menu-btn span{background:transparent}
body.menu-open .menu-btn span::before{top:0;transform:rotate(45deg)}
body.menu-open .menu-btn span::after{top:0;transform:rotate(-45deg)}
@media(max-width:900px){
  .nav-links{position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);padding:10px var(--gut) 20px;
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:.18s;max-height:calc(100vh - 64px);overflow:auto}
  body.menu-open .nav-links{transform:none;opacity:1;pointer-events:auto}
  .nav-links > a,.nav-drop > button{padding:13px 8px;font-size:16px;width:100%;justify-content:space-between}
  .nav-drop{width:100%}
  .nav-menu{position:static;display:grid;box-shadow:none;border:0;border-radius:0;padding:0 0 6px 12px;min-width:0}
  .nav-drop:not([data-open="true"]) .nav-menu{display:none}
  .nav-cta{width:100%;margin:8px 0 0}.nav-cta .btn{width:100%;justify-content:center}
  .menu-btn{display:block}
}

/* ---------- breadcrumb ---------- */
.crumb{font-size:13px;color:var(--muted);padding:16px 0 0;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.crumb a:hover{color:var(--copper-ink)}
.crumb span{color:var(--line-strong)}
.crumb b{color:var(--body);font-weight:500}

/* ---------- hero shells ---------- */
.hero{background:var(--dark);color:var(--dark-ink);position:relative;overflow:hidden;border-bottom:1px solid #0c0e12}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:64px 0 68px}
.hero-copy h1,.hero-copy h2{color:#fff;margin-top:16px}
.hero-copy .lede{margin-top:18px;font-size:17.5px;color:var(--dark-body);max-width:44ch}
.hero-cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-stage{position:relative;min-height:340px;display:flex;align-items:center;justify-content:center}
.hero-stage svg{width:100%;height:auto;max-height:440px;overflow:visible}
.hero-note{margin-top:14px;font-size:12px;color:var(--dark-muted);display:flex;gap:8px;align-items:center}
.hero-slim{padding:40px 0 42px}
.hero-slim .hero-grid{padding:0}
@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:26px;padding:44px 0 46px}
  .hero-stage{order:-1;min-height:0}
}

/* ---------- foto-led hero (v2, gerçek panocu racon'u) ---------- */
.hero-photo{position:relative;background:var(--dark);color:#fff;overflow:hidden;border-bottom:1px solid #0c0e12;
  min-height:min(90vh,800px);display:flex;align-items:flex-end}
.hero-photo .hero-bg{position:absolute;inset:0;z-index:0}
.hero-photo .hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-photo .hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(14,16,20,.94) 0%,rgba(14,16,20,.62) 30%,rgba(14,16,20,.2) 62%,rgba(14,16,20,.28) 100%),
             linear-gradient(75deg,rgba(14,16,20,.6) 0%,rgba(14,16,20,.1) 50%,transparent 72%)}
.hero-photo .wrap{position:relative;z-index:2;width:100%}
.hero-photo .hero-inner{max-width:660px;padding:0 0 66px}
.hero-photo h1{font-size:clamp(36px,5.2vw,62px);line-height:1.05}
.hero-photo.slim{min-height:0;display:block}
.hero-photo.slim .hero-inner{max-width:660px;padding:52px 0 54px}
.hero-photo h1,.hero-photo h2{color:#fff;margin-top:16px}
.hero-photo .lede{margin-top:18px;font-size:17.5px;color:var(--dark-body);max-width:48ch}
.hero-photo .hero-cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-photo .hero-metrics{display:flex;gap:28px;margin-top:34px;flex-wrap:wrap}
.hero-photo .hero-metrics .m b{font-family:var(--sans);font-size:26px;font-weight:700;color:#fff;display:block;line-height:1}
.hero-photo .hero-metrics .m span{font-size:12.5px;color:var(--dark-muted)}
@media(max-width:640px){
  .hero-photo .hero-inner,.hero-photo.slim .hero-inner{padding:46px 0 48px}
  .hero-photo .hero-bg::after{background:linear-gradient(180deg,rgba(16,19,22,.8),rgba(16,19,22,.93))}
}

/* ---------- marka ortakları (nötr metin, logo yok) ---------- */
.partners{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 18px;
  padding:26px 0;color:var(--muted);font-size:14px}
.partners .lbl{font-weight:600;color:var(--body)}
.partners b{font-weight:600;color:var(--ink)}
.partners i{color:var(--line-strong);font-style:normal}

/* ---------- referans sektör şeridi ---------- */
.ref-strip{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.ref-chip{font-size:13.5px;color:var(--body);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;font-weight:500}
.dark .ref-chip{background:rgba(255,255,255,.04);border-color:var(--dark-line);color:var(--dark-body)}

/* replay / sim buttons on stage */
.stage-btn{position:absolute;bottom:0;right:0;font-family:var(--sans);font-size:12.5px;font-weight:600;
  color:var(--dark-ink);background:rgba(255,255,255,.08);border:1px solid var(--dark-line);
  border-radius:7px;padding:7px 12px;cursor:pointer;display:inline-flex;gap:7px;align-items:center;z-index:3}
.stage-btn:hover{background:rgba(214,143,87,.18);border-color:var(--copper-2)}
.stage-btn svg{width:13px;height:13px}

/* live metric readout (mono) */
.readout{display:grid;grid-template-columns:repeat(3,auto);gap:10px 22px;font-family:var(--mono)}
.readout .m b{display:block;font-size:22px;font-weight:500;color:#fff;line-height:1.1;font-variant-numeric:tabular-nums}
.readout .m span{font-size:11px;color:var(--dark-muted);letter-spacing:.03em}
.readout .m u{color:var(--copper-2);text-decoration:none}

/* ---------- sections ---------- */
section{padding:76px 0}
section.tight{padding:56px 0}
.band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.dark{background:var(--dark);color:var(--dark-body)}
.dark h2,.dark h3{color:#fff}
.sec-head{max-width:60ch}
.sec-head h2{margin-top:12px}
.sec-head p{margin-top:14px;color:var(--muted);font-size:17px}
.dark .sec-head p{color:var(--dark-muted)}

/* ---------- product cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:860px){.grid-3{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid-3,.grid-2{grid-template-columns:1fr}}
.pcard{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);
  background:#fff;overflow:hidden;transition:border-color .18s,transform .18s,box-shadow .18s}
.pcard:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:0 16px 34px -22px rgba(20,23,28,.4)}
.pcard-art{aspect-ratio:16/10;background:var(--dark);display:flex;align-items:center;justify-content:center;padding:18px;border-bottom:1px solid var(--line)}
.pcard-art svg{width:100%;height:100%}
.pcard-art.photo{padding:0;background:var(--dark);overflow:hidden;position:relative}
.pcard-art.photo img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.pcard:hover .pcard-art.photo img{transform:scale(1.04)}
.pcard-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.pcard-body h3{margin-bottom:6px}
.pcard-body p{font-size:14px;color:var(--muted);line-height:1.55}
.pcard-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.pcard-foot{margin-top:auto;padding-top:14px;font-size:13.5px;font-weight:600;color:var(--copper-ink);display:inline-flex;gap:6px;align-items:center}
.pcard:hover .pcard-foot{gap:9px}

/* ---------- tag / badge ---------- */
.tag{font-family:var(--mono);font-size:11.5px;color:var(--body);background:var(--surface);
  border:1px solid var(--line);border-radius:5px;padding:3px 8px;letter-spacing:.01em}
.badge{display:inline-flex;flex-direction:column;gap:2px;border:1px solid var(--line);border-radius:9px;
  padding:16px 18px;background:#fff}
.badge b{font-size:15px;color:var(--ink)}
.badge span{font-size:12.5px;color:var(--muted)}
.dark .badge{background:rgba(255,255,255,.03);border-color:var(--dark-line)}
.dark .badge b{color:#fff}.dark .badge span{color:var(--dark-muted)}

/* ---------- spec table ---------- */
.spec{width:100%;border-collapse:collapse;font-size:14.5px}
.spec caption{text-align:left;font-weight:600;color:var(--ink);font-size:16px;margin-bottom:12px}
.spec th,.spec td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.spec th{color:var(--muted);font-weight:500;width:44%}
.spec td{color:var(--ink);font-family:var(--mono);font-size:13.5px;font-variant-numeric:tabular-nums}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat b{display:block;font-family:var(--sans);font-size:34px;font-weight:700;color:var(--ink);letter-spacing:-.02em;line-height:1}
.dark .stat b{color:#fff}
.stat span{font-size:14px;color:var(--muted);margin-top:6px;display:block}
.dark .stat span{color:var(--dark-muted)}
@media(max-width:640px){.stats{grid-template-columns:1fr 1fr;gap:26px}}

/* ---------- process steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;counter-reset:st}
.steps.four{grid-template-columns:repeat(4,1fr)}
.step{border-top:2px solid var(--line-strong);padding-top:14px}
.step::before{counter-increment:st;content:counter(st,decimal-leading-zero);font-family:var(--mono);
  font-size:13px;color:var(--copper-ink);font-weight:500}
.step h3{margin:8px 0 6px;font-size:16px}
.step p{font-size:13.5px;color:var(--muted)}
@media(max-width:860px){.steps,.steps.four{grid-template-columns:1fr 1fr;gap:24px}}
@media(max-width:460px){.steps,.steps.four{grid-template-columns:1fr}}

/* ---------- accordion ---------- */
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:18px 4px;font-weight:600;color:var(--ink);font-size:16px;
  display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:11px;height:11px;flex:none;border-right:2px solid var(--muted);
  border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .2s;margin-top:-4px}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:2px}
.faq details p{padding:0 4px 18px;color:var(--muted);font-size:15px;max-width:74ch}

/* ---------- CTA band ---------- */
.cta{background:var(--dark);color:#fff;border-radius:16px;padding:42px 44px;display:flex;
  align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;
  background:radial-gradient(circle,rgba(200,131,74,.22),transparent 68%)}
.cta h2{color:#fff;max-width:20ch}
.cta p{color:var(--dark-body);margin-top:8px;max-width:42ch}
.cta .btn-primary{position:relative;z-index:2}

/* ---------- feature list (checks) ---------- */
.checks{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:11px}
.checks li{position:relative;padding-left:28px;font-size:15px;color:var(--body)}
.checks li::before{content:"";position:absolute;left:2px;top:6px;width:13px;height:7px;
  border-left:2px solid var(--copper);border-bottom:2px solid var(--copper);transform:rotate(-45deg)}
.dark .checks li{color:var(--dark-body)}

/* ---------- media / figure ---------- */
.figure{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);position:relative}
.figure img{width:100%;height:100%;object-fit:cover;display:block}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split.media-right .figure{order:2}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:30px}.split .figure{order:-1}}

/* ---------- form ---------- */
.info-list{margin-top:26px;display:grid;gap:15px}
.info-list div{font-size:15px}
.info-list b{display:block;color:var(--muted);font-size:12.5px;font-weight:600;margin-bottom:2px}
.info-list span{color:var(--ink)}
.form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.field{margin-bottom:16px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:6px}
input,select,textarea{width:100%;border:1px solid var(--line-strong);border-radius:8px;padding:11px 13px;
  font-family:inherit;font-size:15px;color:var(--ink);background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--copper);box-shadow:0 0 0 3px rgba(176,103,60,.14)}
textarea{resize:vertical;min-height:98px}
.hint{font-size:12.5px;color:var(--muted);margin-top:2px}
.form .btn-primary{width:100%;justify-content:center;margin-top:4px}
.form-done{display:none;margin-top:14px;padding:12px 14px;background:#eef7f0;border:1px solid #cfe8d5;
  border-radius:8px;color:#1f7a3d;font-size:14px;font-weight:600}
@media(max-width:560px){.field-row{grid-template-columns:1fr}}

/* ---------- footer ---------- */
footer.site{background:var(--dark);color:var(--dark-muted);padding:54px 0 30px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-bottom:32px;border-bottom:1px solid var(--dark-line)}
.foot-grid .brand{color:#fff}.foot-grid .brand small{color:var(--dark-muted)}
.foot-grid p{margin-top:14px;max-width:32ch;color:var(--dark-muted)}
footer.site h4{color:#fff;font-size:12.5px;text-transform:uppercase;letter-spacing:.09em;margin:0 0 14px}
footer.site ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
footer.site a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:12.5px;color:#767f8d}
.foot-bottom a{color:var(--copper-2)}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:460px){.foot-grid{grid-template-columns:1fr}}

/* ---------- SVG electrical primitives (shared) ---------- */
.wire{stroke:#5b6472;stroke-width:2;fill:none}
.wire-live{stroke:var(--busbar);stroke-width:3;fill:none}
.bus{stroke:var(--busbar);stroke-width:6;fill:none;stroke-linecap:round}
.node{fill:#2a2f38}
.label-s{font-family:var(--mono);font-size:11px;fill:var(--dark-muted)}
.glyph{font-family:var(--mono);font-weight:500}
.led{fill:#3b414c}
.led.on{fill:var(--led)}
.led.fault{fill:var(--fault)}
.fault-mark{display:none}
.sw-body{fill:#252a32;stroke:#3b424d;stroke-width:1.5}
.cab{fill:#20242c;stroke:#39414d;stroke-width:2}
.cab-face{fill:#262b34}

/* ---------- motion / flow ----------
   Animasyonlar yalnız .is-live (JS görünürken ekler) altında koşar → offscreen boşa çalışmaz.
   Sıra (seq) gizlemesi JS ile yapılır (.js sınıfı), böylece JS yoksa içerik görünür kalır. */
.flow{stroke-dasharray:6 10}
.is-live .flow{animation:flow 1s linear infinite}
@keyframes flow{to{stroke-dashoffset:-16}}
.is-live .pulse{animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.5}50%{opacity:1}}
.js [data-seq] > *{opacity:0}
.seq-in{opacity:1 !important;transition:opacity .5s ease}
/* tek-seferlik çizilme (busbar/hat enerjilenmesi). Öğede pathLength="1" olmalı. */
.draw{stroke-dasharray:1;stroke-dashoffset:1}
.is-live .draw{stroke-dashoffset:0;transition:stroke-dashoffset .9s ease}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .is-live .flow{animation:none;stroke-dasharray:none}
  .is-live .pulse{animation:none;opacity:1}
  .is-live .draw{transition:none;stroke-dashoffset:0}
  .js [data-seq] > *{opacity:1}
  *{transition-duration:.001ms !important}
}

/* ---------- small utilities ---------- */
.center{text-align:center}
.mt-0{margin-top:0}.mt-s{margin-top:14px}.mt-l{margin-top:38px}
.lead{font-size:17px;color:var(--muted)}
.dark .lead{color:var(--dark-body)}
.divider{height:1px;background:var(--line);border:0;margin:0}
.rel-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.rel-links a{font-size:13.5px;font-weight:500;color:var(--copper-ink);border:1px solid var(--line);
  border-radius:999px;padding:7px 14px}
.rel-links a:hover{border-color:var(--copper);background:var(--surface)}