/* Z4 Theme taban CSS. Degiskenler Z4 Design eklentisinin derledigi dosyayla ezilir. */
:root{--z4-c-primary:#0f62fe;--z4-c-primary-contrast:#fff;--z4-c-secondary:#161616;--z4-c-text:#1f2937;--z4-c-muted:#6b7280;--z4-c-bg:#fff;--z4-c-surface:#f4f6f8;--z4-c-border:#e5e7eb;--z4-font-heading:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--z4-font-body:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--z4-c-dark:#161616;--z4-c-dark-contrast:#fff;--z4-display-transform:none;--z4-display-tracking:0em;--z4-heading-weight:700;--z4-h1-size:clamp(2rem,5vw,3.25rem);--z4-radius:8px;--z4-container:1120px}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--z4-c-bg);color:var(--z4-c-text);font:16px/1.65 var(--z4-font-body)}
img{max-width:100%;height:auto;display:block}
a{color:var(--z4-c-primary)}
h1,h2,h3,h4{font-family:var(--z4-font-heading);font-weight:var(--z4-heading-weight);line-height:1.15;color:var(--z4-c-secondary);margin:0 0 .5em}
h1,h2{text-transform:var(--z4-display-transform);letter-spacing:var(--z4-display-tracking)}
h1{font-size:var(--z4-h1-size)}
h2{font-size:clamp(1.5rem,3.5vw,2.25rem)}
.z4-container{width:100%;max-width:var(--z4-container);margin:0 auto;padding:0 20px}
.z4-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.z4-skip{position:absolute;left:-999px;top:0;background:var(--z4-c-secondary);color:#fff;padding:8px 12px;z-index:10}
.z4-skip:focus{left:8px;top:8px}

.z4-header{border-bottom:1px solid var(--z4-c-border);background:var(--z4-c-bg)}
.z4-header__in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap}
.z4-brand{font:700 1.25rem var(--z4-font-heading);color:var(--z4-c-secondary);text-decoration:none}
.z4-menu{display:flex;gap:20px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.z4-menu a{color:var(--z4-c-text);text-decoration:none}
.z4-menu a:hover,.z4-menu .current-menu-item>a{color:var(--z4-c-primary)}

.z4-btn{display:inline-block;background:var(--z4-c-primary);color:var(--z4-c-primary-contrast);padding:12px 22px;border-radius:var(--z4-radius);text-decoration:none;font-weight:600}
.z4-btn:hover{filter:brightness(1.08)}
.z4-btn--light{background:var(--z4-c-primary-contrast);color:var(--z4-c-primary)}
.z4-btn--ghost{background:transparent;color:var(--z4-c-primary);box-shadow:inset 0 0 0 1.5px var(--z4-c-primary)}
.z4-btn--ghost:hover{background:var(--z4-c-primary);color:var(--z4-c-primary-contrast);filter:none}
.z4-hero__cta{display:flex;gap:12px;flex-wrap:wrap}

.z4-hero{padding:56px 0;background:var(--z4-c-surface)}
.z4-hero__in{display:grid;gap:32px;align-items:center}
.z4-hero__media img{border-radius:var(--z4-radius)}
@media(min-width:800px){.z4-hero__in{grid-template-columns:1fr 1fr}}
.z4-hero__copy p{font-size:1.125rem;color:var(--z4-c-muted)}

.z4-section{padding:48px 0}
.z4-cta{background:var(--z4-c-primary);color:var(--z4-c-primary-contrast);text-align:center}
.z4-cta h2{color:inherit}
.z4-pagehead{padding-top:40px}

.z4-prose{max-width:760px}
.z4-prose img{border-radius:var(--z4-radius)}
.z4-prose .alignleft{float:left;margin:0 1em 1em 0}
.z4-prose .alignright{float:right;margin:0 0 1em 1em}
.z4-prose .aligncenter{margin:0 auto}
.z4-prose table{border-collapse:collapse;width:100%}
.z4-prose th,.z4-prose td{border:1px solid var(--z4-c-border);padding:8px 10px;text-align:left}
.z4-prose blockquote{margin:1em 0;padding-left:1em;border-left:4px solid var(--z4-c-border);color:var(--z4-c-muted)}
.z4-meta{color:var(--z4-c-muted)}

.z4-list{padding-top:40px;padding-bottom:40px;display:grid;gap:24px}
.z4-card{border:1px solid var(--z4-c-border);border-radius:var(--z4-radius);padding:20px}

.z4-footer{border-top:1px solid var(--z4-c-border);margin-top:48px;padding:24px 0;color:var(--z4-c-muted)}
.z4-footer__in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.z4-footer p{margin:0}

.z4-lead{font-size:1.125rem;color:var(--z4-c-muted);max-width:720px}
.z4-grid{display:grid;gap:20px;margin-top:24px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
/* 5 kart: 4+1 yerine dengeli 3+2 (genis ekranda) */
@media(min-width:900px){
.z4-grid:has(>:nth-child(5):last-child){grid-template-columns:repeat(6,1fr)}
.z4-grid:has(>:nth-child(5):last-child)>*{grid-column:span 2}
.z4-grid:has(>:nth-child(5):last-child)>:nth-child(n+4){grid-column:span 3}
}
.z4-card h3{margin:0 0 .4em;font-size:1.25rem}
.z4-card p{margin:0;color:var(--z4-c-muted)}
.z4-card h3 a{color:inherit;text-decoration:none}
.z4-card h3 a:hover{color:var(--z4-c-primary)}

.z4-stats{background:var(--z4-c-dark);color:var(--z4-c-dark-contrast)}
.z4-stats__in{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));text-align:center}
.z4-stat strong{display:block;font:700 clamp(2rem,5vw,3rem)/1.1 var(--z4-font-heading)}
.z4-stat span{opacity:.75}

.z4-faq{max-width:800px}
.z4-faq__item{border-bottom:1px solid var(--z4-c-border);padding:14px 0}
.z4-faq__item summary{cursor:pointer;font-weight:600;list-style:none}
.z4-faq__item summary::-webkit-details-marker{display:none}
.z4-faq__item summary::after{content:"+";float:right;color:var(--z4-c-primary)}
.z4-faq__item[open] summary::after{content:"\2212"}

.z4-marquee{overflow:hidden;border-block:1px solid var(--z4-c-border);padding:14px 0;background:var(--z4-c-surface)}
.z4-marquee__track{display:flex;width:max-content;animation:z4-marq 30s linear infinite}
.z4-marquee ul{display:flex;gap:40px;list-style:none;margin:0;padding:0 20px;white-space:nowrap}
.z4-marquee li{font:600 .95rem var(--z4-font-heading);letter-spacing:.12em;text-transform:uppercase;color:var(--z4-c-muted)}
@keyframes z4-marq{to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.z4-marquee__track{animation:none}}

/* Isler (works): sabit oran => CLS yok; video tiklaninca iframe/video ile degisir */
.z4-works__grid{display:grid;gap:28px 20px;margin-top:28px;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr))}
.z4-work__media{position:relative;aspect-ratio:16/9;background:var(--z4-c-surface);border-radius:var(--z4-radius);overflow:hidden}
.z4-work__img{width:100%;height:100%;object-fit:cover}
.z4-work__frame{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}
.z4-work__play{position:absolute;inset:0;display:grid;place-items:center;color:var(--z4-c-primary-contrast);text-decoration:none}
.z4-work__play svg{width:64px;height:64px;padding:18px;border-radius:50%;background:var(--z4-c-primary);box-sizing:border-box;transition:transform .15s}
.z4-work__play:hover svg,.z4-work__play:focus-visible svg{transform:scale(1.1)}
.z4-work__play:focus-visible{outline:3px solid var(--z4-c-primary);outline-offset:-3px}
.z4-work__cap{padding-top:10px}
.z4-work__cap h3{margin:0 0 .15em;font-size:1.1rem}
.z4-work__cap h3 a{color:inherit;text-decoration:none}
.z4-work__cap h3 a:hover{color:var(--z4-c-primary)}
.z4-work__meta{margin:0;color:var(--z4-c-muted);font-size:.9rem;letter-spacing:.04em;text-transform:uppercase}
@media(prefers-reduced-motion:reduce){.z4-work__play svg{transition:none}}

/* Hero "cover" varyanti: tam genislik arka plan gorseli + koyu katman (gorsel yoksa normal hero) */
.z4-hero--cover{position:relative;isolation:isolate;display:flex;align-items:center;min-height:clamp(440px,72vh,760px);background:var(--z4-c-dark);color:var(--z4-c-dark-contrast);--z4-c-secondary:var(--z4-c-dark-contrast);--z4-c-muted:color-mix(in srgb,var(--z4-c-dark-contrast) 85%,transparent);--z4-c-primary:var(--z4-c-dark-contrast);--z4-c-primary-contrast:var(--z4-c-dark)}
.z4-hero--cover .z4-hero__bg{position:absolute;inset:0;z-index:-2;width:100%;height:100%;object-fit:cover}
.z4-hero--cover::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,color-mix(in srgb,var(--z4-c-dark) 80%,transparent) 0%,color-mix(in srgb,var(--z4-c-dark) 35%,transparent) 70%,transparent 100%)}
@media(max-width:799px){.z4-hero--cover::before{background:color-mix(in srgb,var(--z4-c-dark) 74%,transparent)}}
.z4-hero--cover .z4-hero__in{grid-template-columns:1fr}
.z4-hero--cover .z4-hero__copy{max-width:660px}
.z4-hero--cover .z4-hero__media{display:none}
.z4-hero--cover .z4-btn--ghost{background:transparent;color:var(--z4-c-dark-contrast);box-shadow:inset 0 0 0 1.5px currentColor}
.z4-hero--cover .z4-btn--ghost:hover{background:var(--z4-c-dark-contrast);color:var(--z4-c-dark)}
.z4-hero--cover .z4-eyebrow{color:inherit;opacity:.85}

/* Vitrin "product" varyanti: urun fotografi kirpilmaz, yumusak disk ustunde */
.z4-split__media--product{position:relative;display:grid;place-items:center;min-height:320px}
.z4-split__media--product::before{content:"";position:absolute;inset:6% 10%;border-radius:50%;background:color-mix(in srgb,var(--z4-c-bg) 24%,transparent)}
.z4-split__media.z4-split__media--product img{position:relative;width:auto;max-width:100%;max-height:520px;aspect-ratio:auto;object-fit:contain;border-radius:0}

/* Marka: logo varsa gorsel, yoksa yazi wordmark'i (placeholder) */
.z4-brand{display:inline-flex;align-items:center}
.z4-brand__name{font:var(--z4-heading-weight) 1.25rem var(--z4-font-heading);text-transform:var(--z4-display-transform);letter-spacing:var(--z4-display-tracking)}
.z4-brand img{display:block;height:auto;width:auto;max-height:44px;max-width:220px}

/* Sutunlu footer */
.z4-footer--columns{padding:56px 0 0;margin-top:0;border-top:0}
.z4-footer__grid{display:grid;gap:36px}
@media(min-width:800px){.z4-footer__grid{grid-template-columns:1.5fr 1fr 1fr}}
.z4-footer--columns .z4-brand{color:inherit}
.z4-footer--columns .z4-brand__name{color:inherit}
.z4-footer__tag{margin:1em 0 0;font-weight:600;color:var(--z4-c-text)}
.z4-footer__note{margin:.5em 0 0;max-width:36ch}
.z4-footer__h{margin:0 0 .9em;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;opacity:.7}
.z4-footer__menu{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.z4-footer__address{font-style:normal;opacity:.85;line-height:1.5}
.z4-footer__menu a{color:inherit;text-decoration:none;opacity:.85}
.z4-footer__menu a:hover,.z4-footer__menu a:focus-visible{opacity:1;text-decoration:underline}
.z4-footer__bottom{margin-top:44px;padding:20px 0;border-top:1px solid color-mix(in srgb,currentColor 18%,transparent);font-size:.85rem;opacity:.85}
.z4-footer__bottom p{margin:0}
.z4-bg-dark.z4-footer .z4-footer__tag,.z4-bg-primary.z4-footer .z4-footer__tag{color:inherit}

/* Vitrin (split): gorsel + metin; .z4-flip kolonlari ters cevirir */
.z4-split__in{display:grid;gap:32px;align-items:center}
@media(min-width:800px){.z4-split__in--media{grid-template-columns:1fr 1fr;gap:56px}.z4-flip .z4-split__media{order:-1}}
.z4-split__in:not(.z4-split__in--media) .z4-split__copy{max-width:760px}
.z4-split__media img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:var(--z4-radius)}
.z4-eyebrow{margin:0 0 .6em;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--z4-c-primary);font-weight:600}
.z4-checks{list-style:none;margin:1.2em 0;padding:0;display:grid;gap:.55em}
.z4-checks li{position:relative;padding-left:1.6em}
.z4-checks li::before{content:"";position:absolute;left:0;top:.55em;width:.9em;height:.9em;border-radius:50%;background:color-mix(in srgb,var(--z4-c-primary) 25%,transparent);box-shadow:inset 0 0 0 2px var(--z4-c-primary)}
.z4-bg-dark .z4-eyebrow,.z4-bg-primary .z4-eyebrow{color:inherit;opacity:.8}

/* Iletisim: bilgiler + form */
.z4-contact__in{display:grid;gap:32px;margin-top:24px}
@media(min-width:800px){.z4-contact__in--form{grid-template-columns:minmax(240px,1fr) minmax(0,1.4fr);align-items:start}}
.z4-contact__info{margin:0;display:grid;gap:18px}
.z4-contact__info dt{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--z4-c-muted);margin:0 0 2px}
.z4-contact__info dd{margin:0}
.z4-contact__info a:not(.z4-btn){color:inherit}
.z4-contact__info a:not(.z4-btn):hover{color:var(--z4-c-primary)}
/* z4software formu tum stillerini satir ici (inline) yazar; tema jetonlarina baglamak icin !important gerekir. */
.z4-contact__form input:not([type=checkbox]):not([type=hidden]),.z4-contact__form textarea,.z4-contact__form select{background:var(--z4-c-bg)!important;color:var(--z4-c-text)!important;border:1px solid var(--z4-c-border)!important;border-radius:var(--z4-radius)!important}
.z4-contact__form select{min-height:44px}
.z4-contact__form input:focus-visible,.z4-contact__form textarea:focus-visible,.z4-contact__form select:focus-visible,.z4-contact__form button:focus-visible{outline:2px solid var(--z4-c-primary);outline-offset:2px}
.z4-contact__in--solo{max-width:760px}
.z4-contact__form button[type=submit]{background:var(--z4-c-primary)!important;color:var(--z4-c-primary-contrast)!important;border:0!important;border-radius:var(--z4-radius)!important}

/* Ust serit + yapisan header */
.z4-header--sticky{position:sticky;top:0;z-index:20}
.z4-topbar{background:var(--z4-c-dark);color:var(--z4-c-dark-contrast);font-size:.85rem}
.z4-topbar__in{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:36px;flex-wrap:wrap}
.z4-topbar a{color:inherit;text-decoration:none;opacity:.85}
.z4-topbar a:hover{opacity:1}
.z4-topbar__contact{display:flex;gap:18px;flex-wrap:wrap}
.z4-menu--small{gap:14px}

/* Bolum arka plan varyantlari (manifest layouts: {"s":"stats","bg":"dark"}). Siralama onemli: hep bolum varsayilanlarindan sonra. */
.z4-bg-none{background:transparent;color:var(--z4-c-text)}
.z4-bg-surface{background:var(--z4-c-surface);color:var(--z4-c-text)}
.z4-bg-dark,.z4-bg-primary{--z4-c-text:currentColor}
.z4-bg-dark{background:var(--z4-c-dark);color:var(--z4-c-dark-contrast);--z4-c-secondary:var(--z4-c-dark-contrast);--z4-c-muted:color-mix(in srgb,var(--z4-c-dark-contrast) 70%,transparent);--z4-c-border:color-mix(in srgb,var(--z4-c-dark-contrast) 20%,transparent)}
.z4-bg-primary{background:var(--z4-c-primary);color:var(--z4-c-primary-contrast);--z4-c-secondary:var(--z4-c-primary-contrast);--z4-c-muted:color-mix(in srgb,var(--z4-c-primary-contrast) 80%,transparent);--z4-c-border:color-mix(in srgb,var(--z4-c-primary-contrast) 30%,transparent)}
.z4-bg-primary .z4-btn{background:var(--z4-c-primary-contrast);color:var(--z4-c-primary)}
.z4-bg-dark a:not(.z4-btn),.z4-bg-primary a:not(.z4-btn){color:inherit}
.z4-bg-dark .z4-faq__item summary::after{color:var(--z4-c-primary)}

/* Dil degistirici */
.z4-lang{display:flex;gap:.5rem;list-style:none;margin:0 0 0 auto;padding:0;font-size:.85rem}
.z4-lang a{text-decoration:none;padding:.2rem .4rem;border-radius:4px}
.z4-lang a[aria-current]{font-weight:700;background:var(--z4-surface,#f3f3f3)}
.z4-logo--invert{filter:brightness(0) saturate(100%) invert(97%) sepia(8%) saturate(900%) hue-rotate(335deg) brightness(101%)}

/* Urun galerisi (works, variant "product"): portre/kesit urun gorselleri kirpilmaz, kutuda tam gorunur */
.z4-v-product .z4-works__grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr))}
.z4-v-product .z4-work__media{aspect-ratio:4/5;display:grid;place-items:center;padding:8%;box-sizing:border-box}
.z4-v-product .z4-work__img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain}

/* Mobil menu: JS varsa hamburger (JS yoksa menu eskisi gibi gorunur) */
.z4-nav-toggle{display:none;align-items:center;gap:10px;margin-left:auto;padding:10px 14px;border:1.5px solid var(--z4-c-border);border-radius:var(--z4-radius);background:transparent;color:var(--z4-c-text);font:inherit;font-weight:600;cursor:pointer}
.z4-nav-toggle:focus-visible{outline:3px solid var(--z4-c-primary);outline-offset:2px}
.z4-nav-toggle__bars,.z4-nav-toggle__bars::before,.z4-nav-toggle__bars::after{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;content:"";position:relative;transition:transform .2s,top .2s}
.z4-nav-toggle__bars::before{position:absolute;top:-6px;left:0}
.z4-nav-toggle__bars::after{position:absolute;top:6px;left:0}
.z4-nav-toggle[aria-expanded="true"] .z4-nav-toggle__bars{background:transparent}
.z4-nav-toggle[aria-expanded="true"] .z4-nav-toggle__bars::before{top:0;transform:rotate(45deg)}
.z4-nav-toggle[aria-expanded="true"] .z4-nav-toggle__bars::after{top:0;transform:rotate(-45deg)}
@media(max-width:799px){
 .z4-js .z4-nav-toggle{display:inline-flex}
 .z4-js .z4-header__in{flex-wrap:wrap;align-content:flex-start;min-height:0;padding-top:14px;padding-bottom:14px}
 .z4-js .z4-nav{display:none;flex-basis:100%;order:3;padding-bottom:12px}
 .z4-js .z4-nav.is-open{display:block}
 .z4-js .z4-nav .z4-menu{flex-direction:column;gap:0}
 .z4-js .z4-nav .z4-menu a{display:block;padding:14px 2px;border-top:1px solid var(--z4-c-border);font-size:1.05rem}
 .z4-js .z4-nav .z4-menu li:first-child a{border-top:0}
}
/* Mobil kapak hero: gorsel katmansiz, metnin altinda tam gorunur (urunler karartilmaz/kesilmez) */
@media(max-width:799px){
 .z4-hero--cover{flex-direction:column;align-items:stretch;min-height:0;padding:0}
 .z4-hero--cover::before{display:none}
 .z4-hero--cover .z4-hero__in{order:1;padding-top:40px;padding-bottom:12px}
 .z4-hero--cover .z4-hero__bg{position:static;order:2;display:block;width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;object-position:84% 55%;z-index:auto;-webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 18%);mask-image:linear-gradient(to bottom,transparent 0,#000 18%)}
}