/* Tuda Çelik Halat — site stilleri (tasarım sistemi tokenlarıyla) */
:root{
  --brand:#18a6f8; --brand-bar:#38b7fe; --brand-strong:#0a6aa8; --brand-tint:#e8f6fe; --td:#abfffa;
  --ink:#0d0d0d; --ink-muted:#4a5560; --surface:#fff; --surface-alt:#f4f7f9;
  --line:#dde3e8; --line-strong:#8a96a3; --steel:#1c2630; --steel-muted:#9fb0bf;
  --success:#1f7a4d; --danger:#c0392b;
  --font:Poppins,"Segoe UI",system-ui,sans-serif;
  --space-1:4px; --space-2:8px; --space-4:16px; --space-6:24px; --space-10:40px; --space-16:64px;
  --radius-sm:4px; --radius-md:8px; --radius-full:9999px;
  --shadow-card:0 1px 2px rgba(13,13,13,.06),0 4px 16px rgba(13,13,13,.06);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:26px;color:var(--ink);background:var(--surface)}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-strong)}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--brand-strong);outline-offset:2px}
h1,h2,h3{margin:0 0 var(--space-4)}
p{margin:0 0 var(--space-4)}
.container{max-width:var(--container);margin:0 auto;padding:0 var(--space-4)}
@media(min-width:768px){.container{padding:0 var(--space-6)}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}
.muted{color:var(--ink-muted)}
.small{font-size:14px;line-height:22px}

/* Tipografi */
.h1{font-size:28px;line-height:36px;font-weight:700}
.h2{font-size:22px;line-height:30px;font-weight:600}
.h3{font-size:20px;line-height:28px;font-weight:600}
@media(min-width:768px){.h1{font-size:36px;line-height:44px}.h2{font-size:28px;line-height:36px}}
.eyebrow{display:inline-block;font-size:13px;line-height:18px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--brand-strong);text-decoration:none;margin-bottom:var(--space-2)}
.bar{position:relative;padding-left:16px}
.bar::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;background:var(--brand-bar)}

/* Butonlar */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border-radius:var(--radius-sm);font:600 15px/1.2 var(--font);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn--lg{min-height:52px;padding:12px 26px;font-size:16px}
.btn--primary{background:var(--brand-strong);color:#fff}
.btn--primary:hover{background:#08578a}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--light{background:#fff;color:var(--steel)}
.btn--light:hover{background:var(--td)}

/* Üst şerit */
.topbar{background:var(--steel);color:var(--steel-muted);font-size:13px;line-height:18px}
.topbar__in{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:36px}
.topbar a{color:#fff;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.topbar a:hover{color:var(--brand-bar)}
.topbar__contact{display:flex;gap:20px}
@media(max-width:640px){.topbar__hours{display:none}.topbar__contact{width:100%;justify-content:space-between}}

/* Başlık */
.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.header__in{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:24px}
.logo img{width:132px;height:auto}
@media(min-width:1024px){.logo img{width:148px}}
.nav-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:none;border:0;cursor:pointer;padding:10px}
.nav-toggle span{display:block;height:2px;background:var(--ink);transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded=true] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);padding:8px 16px 20px}
.nav.is-open{display:block}
.nav ul{list-style:none;margin:0;padding:0}
.nav>ul>li>a{display:block;padding:12px 0;font-weight:600;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}
.nav a[aria-current=page]{color:var(--brand-strong)}
.nav .sub a{display:block;padding:8px 0 8px 16px;color:var(--ink-muted);text-decoration:none;font-size:15px}
.nav .sub a:hover{color:var(--brand-strong)}
.nav__search{margin:16px 0 12px}
.nav__search input{width:100%;height:44px;padding:0 14px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);font:inherit;font-size:15px}
.nav__cta{width:100%}
@media(min-width:1024px){
  .nav-toggle{display:none}
  .nav{display:flex!important;position:static;align-items:center;gap:20px;padding:0;border:0;background:none}
  .nav>ul{display:flex;gap:4px}
  .nav>ul>li{position:relative}
  .nav>ul>li>a{border:0;padding:26px 12px;position:relative}
  .nav>ul>li>a[aria-current=page]::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;background:var(--brand-bar)}
  .nav .sub{display:none;position:absolute;top:100%;left:0;min-width:300px;background:#fff;border:1px solid var(--line);border-radius:0 0 var(--radius-md) var(--radius-md);padding:8px 0;box-shadow:var(--shadow-card)}
  .nav .has-sub:hover .sub,.nav .has-sub:focus-within .sub{display:block}
  .nav .sub a{padding:10px 20px}
  .nav .sub a:hover{background:var(--brand-tint)}
  .nav__search{margin:0}
  .nav__search input{width:190px;height:40px}
  .nav__cta{width:auto}
}

/* Hero */
.hero{background:var(--surface-alt);overflow:hidden}
.hero__in{display:grid;gap:32px;padding-top:48px;padding-bottom:48px;align-items:center}
.hero__title{font-size:34px;line-height:42px;font-weight:700;letter-spacing:-.5px;margin-bottom:16px}
.hero__lead{font-size:17px;line-height:28px;color:var(--ink-muted);max-width:560px;margin-bottom:28px}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px}
.hero__art{position:relative;max-width:440px;margin:8px auto 0;aspect-ratio:520/440}
.hero__art picture{position:relative;display:block;width:100%;height:100%}
.hero__shape{position:absolute;inset:0;width:100%;height:100%}
.hero__photo{position:relative;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 18px 24px rgba(13,13,13,.22)) drop-shadow(0 2px 4px rgba(13,13,13,.15));transform:translateX(-4%)}
.a-brand{fill:var(--brand)}
.a-bar{fill:var(--brand-bar)}
@media(min-width:900px){
  .hero__in{grid-template-columns:1.1fr .9fr;padding-top:72px;padding-bottom:72px}
  .hero__title{font-size:48px;line-height:56px}
  .hero__art{width:100%;max-width:540px;margin:0;justify-self:end}
}

/* Bölümler */
.section{padding:48px 0}
.section--alt{background:var(--surface-alt)}
@media(min-width:768px){.section{padding:var(--space-16) 0}}
.section__head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:8px}
.link-more{font-weight:600;text-decoration:none;white-space:nowrap}

/* Kategori kutuları */
.cats{display:grid;gap:16px;grid-template-columns:1fr;margin-top:16px}
@media(min-width:600px){.cats{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.cats{grid-template-columns:repeat(3,1fr)}}
.cat{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:16px;align-items:center;padding:20px;border:1px solid var(--line);border-radius:var(--radius-md);text-decoration:none;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.cat:hover{border-color:var(--brand);box-shadow:var(--shadow-card)}
.cat img{grid-row:span 2;width:72px;height:54px;object-fit:cover;border-radius:var(--radius-sm)}
.cat__name{font-weight:600;line-height:22px;grid-column:1/-1}
.cat img~.cat__name,.cat img~.cat__count{grid-column:2}
.cat__count{font-size:14px;color:var(--ink-muted);grid-column:1/-1}

/* Ürün kartları */
.grid{display:grid;gap:24px;grid-template-columns:1fr;margin-top:16px}
@media(min-width:560px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid{grid-template-columns:repeat(4,1fr)}.grid--3{grid-template-columns:repeat(3,1fr)}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:box-shadow .15s,border-color .15s}
.card:hover{box-shadow:var(--shadow-card);border-color:var(--brand)}
.card__link{display:flex;flex-direction:column;height:100%;color:inherit;text-decoration:none}
.card__img{aspect-ratio:4/3;background:var(--surface-alt);overflow:hidden}
.card__img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.card:hover .card__img img{transform:scale(1.03)}
.card__body{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1}
.card__code{font-size:12px;font-weight:600;letter-spacing:.6px;color:var(--ink-muted);margin-bottom:4px}
.card__title{font-size:17px;line-height:24px;font-weight:600;margin:0 0 8px}
.card__text{font-size:14px;line-height:22px;color:var(--ink-muted);margin:0 0 12px}
.card__more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-strong)}

/* Neden biz */
.usp{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:600px){.usp{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.usp{grid-template-columns:repeat(4,1fr)}}
.usp li{padding-top:16px;border-top:3px solid var(--brand-bar)}
.usp strong{display:block;font-size:17px;margin-bottom:6px}
.usp span{color:var(--ink-muted);font-size:15px;line-height:24px}

/* CTA bandı */
.cta{background:var(--steel);color:#fff;padding:48px 0}
.cta__in{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.cta__title{font-size:24px;line-height:32px;font-weight:700;margin-bottom:8px}
.cta p{color:var(--steel-muted);margin:0}

/* Sayfa başlığı ve sayfa yolu */
.pagehead{background:var(--surface-alt);padding:24px 0 32px;border-bottom:1px solid var(--line)}
.pagehead .h1{margin-bottom:8px}
.pagehead__lead{color:var(--ink-muted);max-width:760px;margin:0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px;margin:0 0 16px;padding:16px 0 0;font-size:14px;color:var(--ink-muted)}
.crumbs li:not(:last-child)::after{content:"/";margin-left:6px;color:var(--line-strong)}
.crumbs a{color:var(--ink-muted);text-decoration:none}
.crumbs a:hover{color:var(--brand-strong);text-decoration:underline}
.pagehead .crumbs ol{padding-top:0}

/* Listeleme */
.listing{display:grid;gap:32px;padding-top:32px;padding-bottom:64px}
@media(min-width:900px){.listing{grid-template-columns:240px 1fr}}
.filters__h{font-size:13px;letter-spacing:.6px;text-transform:uppercase;color:var(--ink-muted);margin-bottom:8px}
.filters ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.filters a{display:block;padding:8px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);text-decoration:none;color:var(--ink);font-size:14px;line-height:20px}
.filters a[aria-current=page]{background:var(--brand-tint);border-color:var(--brand-strong);color:var(--brand-strong);font-weight:600}
@media(min-width:900px){.filters ul{display:block}.filters a{border:0;border-left:3px solid transparent;border-radius:0;padding:10px 12px}.filters a:hover{background:var(--surface-alt)}.filters a[aria-current=page]{border-left-color:var(--brand-bar);background:var(--brand-tint)}}
.listing__count{margin:0 0 -4px;font-size:14px}
.empty{padding:40px;border:1px dashed var(--line-strong);border-radius:var(--radius-md);text-align:center}

/* Ürün detay */
.product{padding-bottom:48px}
.product__top{display:grid;gap:32px}
@media(min-width:900px){.product__top{grid-template-columns:1.1fr 1fr;gap:48px;align-items:start}}
.gallery__main{display:block;position:relative;width:100%;padding:0;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface-alt);overflow:hidden;cursor:zoom-in;aspect-ratio:4/3}
.gallery__main img{width:100%;height:100%;object-fit:contain;background:#fff}
.gallery__main--empty{cursor:default}
.gallery__zoom{position:absolute;right:12px;bottom:12px;width:40px;height:40px;border-radius:var(--radius-full);background:rgba(255,255,255,.92);display:grid;place-items:center;color:var(--ink)}
.gallery__thumbs{list-style:none;margin:12px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(76px,1fr));gap:10px}
.gallery__thumbs button{display:block;width:100%;padding:0;border:2px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;background:#fff;aspect-ratio:4/3}
.gallery__thumbs img{width:100%;height:100%;object-fit:cover}
.gallery__thumbs button[aria-current=true]{border-color:var(--brand-strong)}
.lightbox{border:0;padding:0;background:transparent;max-width:100vw;max-height:100vh;width:100vw;height:100vh}
.lightbox::backdrop{background:rgba(13,13,13,.92)}
.lightbox[open]{display:grid;place-items:center}
.lightbox img{max-width:min(92vw,1400px);max-height:84vh;object-fit:contain}
.lightbox button{position:fixed;background:rgba(255,255,255,.12);color:#fff;border:0;width:52px;height:52px;border-radius:var(--radius-full);font-size:32px;line-height:1;cursor:pointer}
.lightbox button:hover{background:rgba(255,255,255,.25)}
.lightbox__close{top:16px;right:16px}
.lightbox__prev{left:16px;top:50%;transform:translateY(-50%)}
.lightbox__next{right:16px;top:50%;transform:translateY(-50%)}
.lightbox__count{position:fixed;bottom:16px;left:0;right:0;text-align:center;color:#fff;font-size:14px;margin:0}
.product__title{margin-bottom:8px}
.product__code{color:var(--ink-muted);margin-bottom:16px}
.product__lead{font-size:17px;line-height:28px}
.checks{list-style:none;margin:0 0 24px;padding:0}
.checks li{position:relative;padding:6px 0 6px 30px;border-bottom:1px solid var(--line)}
.checks li::before{content:"";position:absolute;left:4px;top:13px;width:12px;height:7px;border-left:2.5px solid var(--brand-strong);border-bottom:2.5px solid var(--brand-strong);transform:rotate(-45deg)}
.product__actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px}
.product__section{margin-top:56px;scroll-margin-top:96px}

/* Ölçü tablosu */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-md);-webkit-overflow-scrolling:touch}
.sizes{width:100%;border-collapse:collapse;font-size:14px;line-height:22px;font-variant-numeric:tabular-nums;min-width:560px}
.sizes th,.sizes td{padding:10px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.sizes thead th{background:var(--brand-tint);font-size:13px;font-weight:600;letter-spacing:.3px;color:var(--ink);position:sticky;top:0}
.sizes tbody th{font-weight:600;position:sticky;left:0;background:inherit}
.sizes tbody tr{background:#fff}
.sizes tbody tr:nth-child(even){background:var(--surface-alt)}
.sizes tbody tr:hover{background:var(--brand-tint)}
.sizes .num{text-align:right}
.sizes tbody tr:last-child>*{border-bottom:0}
.table-note{margin-top:10px}

/* Metin içeriği */
.prose{max-width:780px}
.prose h2{font-size:22px;line-height:30px;margin-top:32px}
.prose h3{font-size:18px;margin-top:24px}
.prose ul,.prose ol{padding-left:22px;margin:0 0 16px}
.prose li{margin-bottom:6px}
.prose blockquote{margin:0 0 16px;padding:8px 20px;border-left:4px solid var(--brand-bar);background:var(--surface-alt)}
.prose table{border-collapse:collapse;margin-bottom:16px}
.prose th,.prose td{border:1px solid var(--line);padding:8px 12px}
.page{padding-top:40px;padding-bottom:64px;display:grid;gap:40px}
@media(min-width:900px){.page:has(.page__img){grid-template-columns:1.4fr 1fr}}
.page__img{margin:0}
.page__img img{border-radius:var(--radius-md)}

/* İletişim */
.contact{display:grid;gap:40px;padding-top:40px;padding-bottom:64px}
@media(min-width:900px){.contact{grid-template-columns:1fr 1.6fr;gap:64px}}
.info-list{margin:0}
.info-list dt{font-size:13px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--ink-muted);margin-top:20px}
.info-list dd{margin:4px 0 0}
.info-list a{text-decoration:none;font-weight:600}
.form-grid{display:grid;gap:16px 20px;grid-template-columns:1fr;margin-bottom:24px}
@media(min-width:640px){.form-grid{grid-template-columns:1fr 1fr}.field--full{grid-column:1/-1}}
.field label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
.field input[type=text],.field input[type=email],.field input[type=tel],.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);font:inherit;font-size:15px;background:#fff;color:var(--ink)}
.field textarea{resize:vertical;min-height:140px}
.field [aria-invalid=true]{border-color:var(--danger);border-width:2px}
.field__err{display:block;color:var(--danger);font-size:14px;margin-top:4px}
.check{display:flex!important;gap:10px;align-items:flex-start;font-weight:400!important;line-height:22px}
.check input{margin-top:4px;width:18px;height:18px;flex:none;accent-color:var(--brand-strong)}
.hp{position:absolute;left:-9999px}
.alert{padding:14px 16px;border-radius:var(--radius-sm);margin-bottom:20px}
.alert--success{background:#e7f5ee;color:var(--success);font-weight:600}
.alert--error{background:#fdecea;color:#8e2a20}
.alert--info{background:var(--brand-tint);color:var(--ink)}
.map iframe{display:block;width:100%;height:380px;border:0}

/* 404 */
.notfound{padding:64px 16px;text-align:center;max-width:640px}
.notfound__code{font-size:96px;line-height:1;font-weight:700;color:var(--brand);margin-bottom:16px}
.notfound__search{display:flex;gap:8px;margin:24px 0}
.notfound__search input{flex:1;height:48px;padding:0 14px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);font:inherit}

/* Alt bilgi */
.footer{background:var(--steel);color:var(--steel-muted);font-size:15px;line-height:24px}
.footer__grid{display:grid;gap:32px;padding-top:56px;padding-bottom:40px}
@media(min-width:640px){.footer__grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer__grid{grid-template-columns:1.4fr 1.2fr 1fr 1.2fr}}
.footer__logo{display:inline-block;background:#fff;padding:8px 12px;border-radius:var(--radius-sm);margin-bottom:16px}
.footer__logo img{width:120px}
.footer__h{font-size:13px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:#fff;margin-bottom:12px}
.footer__links,.footer__social{list-style:none;margin:0;padding:0}
.footer__links li{margin-bottom:6px}
.footer a{color:#fff;text-decoration:none}
.footer a:hover{color:var(--brand-bar);text-decoration:underline}
.footer__social{display:flex;gap:16px;flex-wrap:wrap}
.footer__contact{font-style:normal;display:flex;flex-direction:column;gap:8px}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:13px}

/* WhatsApp düğmesi */
.wa{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:var(--radius-full);background:#1f7a4d;color:#fff;display:grid;place-items:center;box-shadow:0 4px 16px rgba(0,0,0,.2);z-index:40}
.wa:hover{background:#17603c}

@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.topbar,.header,.footer,.wa,.product__actions,.gallery__thumbs{display:none}}