/* PanelTeknik — endüstriyel çatı & cephe, çelik gri + güvenlik amber, keskin köşe */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:clip;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0 0 .4em;line-height:1.05;letter-spacing:-.01em;font-weight:800;text-transform:uppercase;overflow-wrap:break-word;word-break:break-word}
h1{font-size:clamp(2.3rem,6.2vw,4.4rem);letter-spacing:-.02em}
h2{font-size:clamp(1.7rem,3.8vw,2.7rem)}
h3{font-size:1.2rem;letter-spacing:0}
p{margin:0 0 1rem}
.ic{flex:0 0 auto;vertical-align:middle}
.skip{position:absolute;left:-999px;top:0;background:var(--brand);color:var(--on-brand);padding:.6rem 1rem;z-index:200}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
.wrap-narrow{max-width:800px}

.kicker{display:inline-flex;align-items:center;gap:.5rem;font-size:.74rem;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:1rem}
.kicker-brand{color:var(--brand)}

/* buttons (sharp) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:700;font-size:.95rem;padding:.8rem 1.5rem;border-radius:var(--radius);border:2px solid transparent;cursor:pointer;transition:transform .08s,filter .15s,background .15s,border-color .15s,color .15s;min-height:48px;text-transform:uppercase;letter-spacing:.04em}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:var(--on-brand);border-color:var(--brand)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-secondary{background:transparent;color:var(--text);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost{background:transparent;color:var(--text);border-color:color-mix(in srgb,var(--text) 35%,transparent)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-dark{background:#15171a;color:#fff;border-color:#15171a}
.btn-dark:hover{filter:brightness(1.3)}
.btn-dark-out{background:transparent;color:#15171a;border-color:#15171a}
.btn-dark-out:hover{background:#15171a;color:#fff}
.btn-lg{padding:.95rem 1.8rem;font-size:1rem;min-height:54px}
.btn-block{width:100%}

/* topbar */
.topbar{background:#0f1113;border-bottom:1px solid var(--line);font-size:.8rem}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:40px;color:var(--muted);flex-wrap:wrap}
.topbar-in a{color:var(--text)}
.topbar-in a:hover{color:var(--brand)}
.topbar-note{display:inline-flex;align-items:center;gap:.45rem}
.topbar-note .ic,.topbar-call .ic{color:var(--brand)}
.topbar-call{display:inline-flex;align-items:center;gap:.45rem;font-weight:700}

/* header */
.site-head{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 94%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:.7rem;font-weight:800}
.brand-mark{display:grid;place-items:center;width:46px;height:46px;background:var(--brand);color:var(--on-brand);border-radius:var(--radius)}
.brand-txt{display:flex;flex-direction:column;line-height:1.05}
.brand-txt b{font-size:1.3rem;letter-spacing:.02em;text-transform:uppercase}
.brand-txt span{font-size:.6rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.site-nav{display:flex;align-items:center;gap:.1rem}
.site-nav a{padding:.55rem .8rem;color:var(--muted);font-weight:700;font-size:.86rem;text-transform:uppercase;letter-spacing:.04em;position:relative}
.site-nav a:hover{color:var(--text)}
.site-nav a.active{color:var(--text)}
.site-nav a.active::after{content:"";position:absolute;left:.8rem;right:.8rem;bottom:.1rem;height:3px;background:var(--brand)}
.nav-cta{margin-left:.5rem;background:var(--brand);color:var(--on-brand)!important;padding:.6rem 1.1rem!important;border-radius:var(--radius);font-weight:800}
.nav-cta:hover{filter:brightness(1.08)}
.nav-cta.active::after{display:none}
.burger,.navtoggle{display:none}

/* hero band */
.hero-band{position:relative;border-bottom:1px solid var(--line);background:var(--surface);overflow:hidden}
.hero-pattern{position:absolute;inset:0;pointer-events:none;opacity:.5;background:repeating-linear-gradient(135deg,transparent 0 22px,color-mix(in srgb,var(--brand) 6%,transparent) 22px 24px),repeating-linear-gradient(90deg,transparent 0 60px,color-mix(in srgb,var(--accent) 5%,transparent) 60px 62px)}
.hero-band-in{position:relative;padding:clamp(48px,8vw,108px) 0 clamp(34px,4vw,52px);max-width:1000px}
.hero-band h1{margin:.1em 0 .35em;max-width:18ch}
.hero-lede{font-size:clamp(1.05rem,1.7vw,1.28rem);color:var(--muted);max-width:62ch;margin:0 0 1.7rem}
.hero-band-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-bottom:1.8rem}
.metrics{display:flex;flex-wrap:wrap;gap:.6rem}
.metric-pill{display:inline-flex;align-items:center;gap:.45rem;background:var(--bg);border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:var(--radius);padding:.5rem .85rem;font-size:.84rem;font-weight:700;color:var(--text)}
.metric-pill .ic{color:var(--brand)}
.stat-strip{position:relative;display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border-top:1px solid var(--line)}
.stat-strip div{background:var(--surface);padding:1.1rem clamp(8px,2vw,16px);display:flex;flex-direction:column;gap:.1rem}
.stat-strip b{font-size:clamp(1.4rem,3vw,2rem);color:var(--brand);letter-spacing:-.02em;line-height:1}
.stat-strip span{font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}

/* sections */
.section{padding:clamp(52px,7vw,104px) 0}
.section-surface{background:var(--surface);border-block:1px solid var(--line)}
.sec-head{max-width:60ch;margin-bottom:clamp(28px,4vw,48px)}
.sec-head p{color:var(--muted);margin:0;text-transform:none}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;max-width:none}

/* sistem catalog grid */
.sys-grid{display:grid;grid-template-columns:1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.sys-card{background:var(--bg);padding:clamp(20px,3vw,30px);display:flex;flex-direction:column;gap:.5rem;transition:background .18s;min-width:0}
.section-surface .sys-card{background:var(--surface)}
.sys-card:hover{background:color-mix(in srgb,var(--brand) 9%,var(--bg))}
.sys-ic{display:grid;place-items:center;width:52px;height:52px;background:color-mix(in srgb,var(--brand) 16%,transparent);color:var(--brand);border-radius:var(--radius);margin-bottom:.5rem}
.sys-card h3{margin:0}
.sys-card p{margin:0;color:var(--muted);font-size:.95rem;flex:1}
.sys-spec{display:inline-flex;align-items:center;gap:.4rem;font-size:.8rem;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.04em}
.sys-go{display:inline-flex;align-items:center;gap:.4rem;font-size:.78rem;font-weight:800;color:var(--brand);text-transform:uppercase;letter-spacing:.08em;margin-top:.3rem}

/* applications band */
.apps-band{background:var(--brand);color:var(--on-brand);padding:clamp(30px,4vw,46px) 0}
.apps-band .kicker{color:color-mix(in srgb,var(--on-brand) 75%,transparent)}
.apps{list-style:none;margin:.6rem 0 0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:1.1rem}
.apps li{display:flex;align-items:center;gap:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.03em;font-size:.95rem;min-width:0}
.app-ic{display:grid;place-items:center;width:42px;height:42px;border:2px solid color-mix(in srgb,var(--on-brand) 40%,transparent);border-radius:var(--radius);flex:0 0 auto}

/* spec table */
.spec-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);-webkit-overflow-scrolling:touch}
.spec-table{width:100%;border-collapse:collapse;min-width:680px;font-size:.92rem}
.spec-table th,.spec-table td{text-align:left;padding:.85rem 1rem;border-bottom:1px solid var(--line)}
.spec-table thead th{background:var(--bg);color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:.74rem;font-weight:800;white-space:nowrap}
.section-surface .spec-table thead th{background:color-mix(in srgb,var(--bg) 50%,var(--surface))}
.spec-table tbody tr:hover{background:color-mix(in srgb,var(--brand) 7%,transparent)}
.spec-table tbody tr:last-child td{border-bottom:0}
.st-name{font-weight:800;color:var(--text)}
.spec-note{display:flex;align-items:flex-start;gap:.5rem;margin:1rem 0 0;color:var(--muted);font-size:.86rem}
.spec-note .ic{color:var(--brand);margin-top:2px}

/* project grid */
.proj-grid{display:grid;grid-template-columns:1fr;gap:clamp(16px,2vw,24px)}
.proj-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:border-color .18s,transform .18s}
.section-surface .proj-card{background:var(--bg)}
.proj-card:hover{border-color:var(--brand);transform:translateY(-3px)}
.proj-media{position:relative;aspect-ratio:3/2;background:#101214;display:grid;place-items:center;color:color-mix(in srgb,var(--brand) 40%,transparent);border-bottom:1px solid var(--line)}
.proj-media img{width:100%;height:100%;object-fit:cover}
.proj-tag{position:absolute;top:12px;left:12px;background:var(--brand);color:var(--on-brand);font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:.3rem .65rem;border-radius:var(--radius)}
.proj-body{padding:1.3rem;display:flex;flex-direction:column;gap:.7rem;flex:1}
.proj-body h3{margin:0;font-size:1.15rem}
.proj-desc{margin:0;color:var(--muted);font-size:.92rem}
.proj-metrics{display:flex;gap:1.4rem;margin-top:auto;padding-top:.6rem;border-top:1px solid var(--line)}
.pm{display:flex;flex-direction:column}
.pm b{font-size:1.2rem;color:var(--brand);line-height:1}
.pm small{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.proj-sys{display:inline-flex;align-items:center;gap:.4rem;font-size:.8rem;color:var(--muted)}
.proj-sys .ic{color:var(--accent)}

/* process flow grid */
.flow-grid{display:grid;grid-template-columns:1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.flow-card{background:var(--bg);padding:clamp(22px,3vw,32px);position:relative}
.section-surface .flow-card{background:var(--surface)}
.flow-no{position:absolute;top:18px;right:20px;font-size:2.4rem;font-weight:800;color:color-mix(in srgb,var(--brand) 22%,transparent);line-height:1}
.flow-ic{display:grid;place-items:center;width:48px;height:48px;background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--accent);border-radius:var(--radius);margin-bottom:1rem}
.flow-card h3{margin:0 0 .4rem}
.flow-card p{margin:0;color:var(--muted);font-size:.95rem}

/* chips */
.chips-wrap{display:grid;gap:1rem}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.5rem}
.chips li{display:inline-flex;align-items:center;gap:.4rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:.5rem .9rem;font-size:.86rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.chips .ic{color:var(--brand)}

/* voices */
.voices{display:grid;grid-template-columns:1fr;gap:clamp(16px,2vw,22px)}
.voice{background:var(--bg);border:1px solid var(--line);border-top:3px solid var(--brand);border-radius:var(--radius);padding:clamp(20px,3vw,28px);margin:0;display:flex;flex-direction:column;gap:.7rem}
.section-surface .voice{background:var(--surface)}
.voice-stars{display:flex;color:var(--brand)}
.voice blockquote{margin:0;font-size:1.02rem;line-height:1.5;color:var(--text)}
.voice-meta{display:flex;flex-direction:column;margin-top:auto}
.voice-meta strong{text-transform:uppercase;letter-spacing:.03em;font-size:.95rem}
.voice-meta span{color:var(--muted);font-size:.82rem}

/* faq */
.faq{display:flex;flex-direction:column;gap:.5rem}
.faq details{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.section-surface .faq details{background:var(--bg)}
.faq summary{cursor:pointer;padding:1.1rem 1.3rem;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center;font-size:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--brand);line-height:1}
.faq details[open] summary::after{content:"–"}
.faq-a{padding:0 1.3rem 1.2rem;color:var(--muted)}

/* cta band */
.cta-band{background:var(--brand);color:var(--on-brand);padding:clamp(40px,6vw,72px) 0}
.cta-band-in{display:grid;gap:1.4rem;align-items:center}
.cta-band .kicker{color:color-mix(in srgb,var(--on-brand) 75%,transparent)}
.cta-band h2{margin:0;max-width:22ch}
.cta-band-actions{display:flex;gap:.8rem;flex-wrap:wrap}

/* page head */
.page-head{padding:clamp(44px,6vw,82px) 0 clamp(22px,3vw,38px);border-bottom:1px solid var(--line);background:var(--surface);position:relative}
.page-head .lede{margin-top:.7rem;color:var(--muted);font-size:clamp(1.02rem,1.5vw,1.18rem);max-width:64ch;text-transform:none}
.crumb{font-size:.82rem;color:var(--muted);margin-bottom:1rem;text-transform:uppercase;letter-spacing:.05em}
.crumb a:hover{color:var(--brand)}

/* hizmet detay */
.detail-grid{display:grid;gap:clamp(28px,4vw,52px);align-items:start}
.detail-body p:first-of-type{color:var(--text);font-size:1.12rem}
.detail-body p{color:var(--muted)}
.detail-img{border-radius:var(--radius);border:1px solid var(--line);margin-bottom:1.6rem}
.side-box{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--brand);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.2rem;position:sticky;top:92px}
.side-box h3,.side-box h4{margin-bottom:.9rem}
.side-sep{margin-top:1.4rem;padding-top:1.2rem;border-top:1px solid var(--line)}
.side-price{color:var(--accent);font-weight:700;display:flex;align-items:center;gap:.5rem;margin-bottom:1rem;text-transform:uppercase;letter-spacing:.03em;font-size:.92rem}
.side-box .btn{margin-bottom:.6rem}
.side-list{list-style:none;margin:0;padding:0}
.side-list a{display:flex;align-items:center;gap:.6rem;padding:.65rem 0;color:var(--muted);font-weight:600;font-size:.9rem;border-bottom:1px solid var(--line)}
.side-list li:last-child a{border-bottom:0}
.side-list a:hover{color:var(--brand)}
.side-list .ic{color:var(--brand)}

/* gallery */
.gallery{display:grid;grid-template-columns:1fr;gap:12px}
.gal-item{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:3/2;background:#101214}
.gal-item img{width:100%;height:100%;object-fit:cover}
.gal-item .ph{position:absolute;inset:0;display:grid;place-items:center;color:color-mix(in srgb,var(--brand) 35%,transparent)}
.gal-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:.8rem 1rem;background:linear-gradient(transparent,rgba(0,0,0,.85));font-size:.86rem;font-weight:700}

/* article */
.article p:first-child{color:var(--text);font-size:1.18rem}
.article p{color:var(--muted)}
.article-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}

/* contact */
.contact-grid{display:grid;gap:clamp(28px,4vw,48px);align-items:start}
.ci-card{display:flex;align-items:center;gap:1rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem;margin-bottom:1.2rem}
.ci-ic{display:grid;place-items:center;width:54px;height:54px;border-radius:var(--radius);background:var(--brand);color:var(--on-brand);flex:0 0 auto}
.ci-card small{display:block;color:var(--muted);font-size:.74rem;text-transform:uppercase;letter-spacing:.1em}
.ci-big{font-size:1.4rem;font-weight:800;color:var(--text)}
.ci-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.9rem}
.ci-list li{display:flex;align-items:center;gap:.7rem;color:var(--muted)}
.ci-list .ic{color:var(--brand);flex:0 0 auto}
.ci-list a:hover{color:var(--brand)}

/* forms */
.contact-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,36px)}
.field{margin-bottom:1.1rem;display:flex;flex-direction:column;min-width:0}
.field-row{display:grid;grid-template-columns:1fr;gap:0 1.1rem}
.field label{font-weight:700;font-size:.86rem;margin-bottom:.45rem;text-transform:uppercase;letter-spacing:.04em}
.field input,.field select,.field textarea{font:inherit;color:var(--text);background:var(--bg);border:1.5px solid var(--line);border-radius:var(--radius);padding:.75rem .9rem;min-height:48px;width:100%}
.field textarea{min-height:auto;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

/* alerts + empty */
.alert{border-radius:var(--radius);padding:.95rem 1.2rem;margin:1.4rem 0;border:1px solid var(--line);border-left:3px solid var(--brand);font-weight:600}
.alert-success{background:color-mix(in srgb,var(--brand) 14%,var(--surface))}
.alert-error{background:color-mix(in srgb,var(--accent) 16%,var(--surface));border-left-color:var(--accent)}
.empty{grid-column:1/-1;text-align:center;padding:3rem 1rem;color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius)}
.empty .ic{color:var(--line);margin-bottom:.6rem}

/* footer */
.site-foot{background:var(--surface);border-top:1px solid var(--line);padding-top:clamp(44px,5vw,72px)}
.foot-grid{display:grid;grid-template-columns:1fr;gap:2.2rem;padding-bottom:2.6rem}
.foot-brand .brand{margin-bottom:1rem}
.foot-brand p{color:var(--muted);margin:0 0 1.2rem;max-width:42ch}
.foot-col h4{font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:1rem;font-weight:800}
.foot-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.6rem}
.foot-col a:hover{color:var(--brand)}
.foot-iletisim li{display:flex;gap:.6rem;color:var(--muted);margin-bottom:.7rem;align-items:flex-start}
.foot-iletisim .ic{color:var(--brand);margin-top:3px;flex:0 0 auto}
.foot-bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:1.3rem 0;border-top:1px solid var(--line);color:var(--muted);font-size:.84rem}
.foot-bottom a:hover{color:var(--brand)}

/* FAB */
.fab{position:fixed;bottom:18px;z-index:90;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;box-shadow:0 12px 30px -10px rgba(0,0,0,.7)}
.fab-wa{right:18px;background:#25d366;color:#fff}

@media(min-width:600px){
  .field-row{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .sys-grid{grid-template-columns:repeat(2,1fr)}
  .proj-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .voices{grid-template-columns:repeat(2,1fr)}
  .apps{grid-template-columns:repeat(3,1fr)}
  .stat-strip{grid-template-columns:repeat(4,1fr)}
}
@media(min-width:900px){
  .gallery{grid-template-columns:repeat(3,1fr)}
  .sys-grid{grid-template-columns:repeat(3,1fr)}
  .proj-grid{grid-template-columns:repeat(3,1fr)}
  .apps{grid-template-columns:repeat(6,1fr)}
  .detail-grid{grid-template-columns:1.7fr .9fr}
  .contact-grid{grid-template-columns:.9fr 1.1fr}
  .voices{grid-template-columns:repeat(3,1fr)}
  .cta-band-in{grid-template-columns:1fr auto}
}

/* mobile nav */
@media(max-width:899px){
  .burger{display:inline-flex;flex-direction:column;gap:5px;width:48px;height:48px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;order:3}
  .burger span{width:22px;height:2px;background:var(--text);transition:.2s}
  .site-nav{display:none;position:fixed;inset:0 0 0 auto;width:min(84vw,330px);background:var(--surface);border-left:1px solid var(--line);flex-direction:column;align-items:stretch;padding:5.5rem 1.4rem 2rem;gap:.2rem;overflow-y:auto;z-index:120}
  .navtoggle:checked~.site-nav{display:flex;animation:navin .25s ease}
  @keyframes navin{from{transform:translateX(100%)}to{transform:translateX(0)}}
  .navtoggle:checked~.burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .navtoggle:checked~.burger span:nth-child(2){opacity:0}
  .navtoggle:checked~.burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .site-nav a{padding:.9rem .6rem;font-size:1.02rem;border-bottom:1px solid var(--line)}
  .site-nav a.active::after{display:none}
  .site-nav a.active{color:var(--brand)}
  .nav-cta{margin:.8rem 0 0;text-align:center;justify-content:center;border-bottom:0!important}
}
@media(min-width:900px){.burger,.navtoggle{display:none}}