/* Ceylan Elektronik. Sade ve modern teknik katalog: lacivert üst şerit, beyaz kartlar, turuncu vurgu.
   Telefonda önce arama ve WhatsApp. */
:root{
  --bg:#f5f6f9; --surface:#ffffff; --ink:#0f1b3d; --muted:#586280; --line:#e2e5ed;
  --brand:#ff6a00; --brand-ink:#0f1b3d; --link:#1c3f9c; --tint:#fff1e6;
  --top:#0f1b3d; --top-ink:#ffffff; --top-line:rgba(255,255,255,.14); --top-field:rgba(255,255,255,.1);
  --wa:#25d366; --wa-ink:#06301a;
  --ok:#0f8a5f; --warn:#a56500; --bad:#c23a3a;
  --f:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,monospace;
  --r:16px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0a0f1e; --surface:#121a31; --ink:#eef0f7; --muted:#a0aac6; --line:#222c48;
  --brand:#ff7a1f; --brand-ink:#0b1020; --link:#9db6ff; --tint:#1d2646;
  --top:#0d1630; --top-ink:#ffffff; --top-line:rgba(255,255,255,.12); --top-field:rgba(255,255,255,.08);
  --ok:#4fd1a0; --warn:#e8b34a; --bad:#ff8a8a; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0a0f1e; --surface:#121a31; --ink:#eef0f7; --muted:#a0aac6; --line:#222c48;
  --brand:#ff7a1f; --brand-ink:#0b1020; --link:#9db6ff; --tint:#1d2646;
  --top:#0d1630; --top-ink:#ffffff; --top-line:rgba(255,255,255,.12); --top-field:rgba(255,255,255,.08);
  --ok:#4fd1a0; --warn:#e8b34a; --bad:#ff8a8a; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:16px}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--f);-webkit-text-size-adjust:100%}
img{max-width:100%}
[hidden]{display:none!important}
a{color:var(--link)}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
h1,h2,h3{margin:0;font-weight:800;line-height:1.1;letter-spacing:-.025em;text-wrap:balance}
.wrap{max-width:1180px;margin:0 auto;padding-inline:max(16px,env(safe-area-inset-left,0px)) max(16px,env(safe-area-inset-right,0px))}
main{padding-bottom:24px}
.mono{font-family:var(--f-mono)}
.label{font:600 11.5px/1.2 var(--f);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.note{font-size:13px;color:var(--muted);margin:0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* düğmeler */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 20px;border:0;border-radius:12px;background:var(--brand);color:var(--brand-ink);font:700 15px/1 var(--f);text-decoration:none;cursor:pointer;transition:filter .15s,transform .15s}
.btn:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.ghost:hover{border-color:var(--ink);filter:none}
.btn.wa{background:var(--wa);color:var(--wa-ink)}
.btn.light{background:var(--top-field);color:var(--top-ink)}
.btn.sm{min-height:42px;padding:8px 16px;font-size:14px}
.btn svg{width:18px;height:18px;flex:none}
.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.ok-msg{font:500 13px var(--f);color:var(--ok);margin:0}

/* üst şerit */
.top{background:var(--top);color:var(--top-ink)}
.bar{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px 24px;padding-block:14px}
.brandlink{color:inherit;text-decoration:none;display:flex;align-items:center;gap:12px;min-width:0}
.brand{display:flex;align-items:center;gap:12px;font:800 19px/1.1 var(--f);letter-spacing:-.01em;text-transform:uppercase}
.brand img{width:56px;height:56px;border-radius:50%;display:block;flex:none}
.brand small{display:block;margin-top:3px;font:600 11px/1.3 var(--f);letter-spacing:.09em;color:rgba(255,255,255,.7)}
.search{position:relative;display:block;width:100%}
.search input{width:100%;min-height:48px;padding:12px 52px 12px 16px;border:1.5px solid transparent;border-radius:12px;background:var(--top-field);color:var(--top-ink);font:500 15px var(--f)}
.search input::placeholder{color:rgba(255,255,255,.62)}
.search input:focus{outline:0;border-color:var(--brand);background:rgba(255,255,255,.16)}
.search .sbtn{position:absolute;top:4px;right:4px;width:40px;height:40px;border:0;border-radius:9px;background:var(--brand);color:var(--brand-ink);cursor:pointer;display:grid;place-items:center}
.search .sbtn svg{width:18px;height:18px}
.cta{display:flex;gap:8px;align-items:center}
.cta .short{display:none}
.nav{display:flex;gap:2px 22px;overflow-x:auto;border-top:1px solid var(--top-line);scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{color:rgba(255,255,255,.86);text-decoration:none;font:600 14px/1 var(--f);padding:14px 0;white-space:nowrap}
.nav a:hover{color:#fff;box-shadow:inset 0 -3px 0 var(--brand)}

/* tanıtım alanı */
.hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:24px 48px;align-items:center;padding-block:44px 28px}
.eyebrow{display:inline-block;margin:0 0 16px;padding:7px 12px;border-radius:999px;background:var(--tint);color:var(--link);font:700 11.5px/1 var(--f);letter-spacing:.07em;text-transform:uppercase}
.hero h1{font-size:clamp(34px,5.4vw,60px)}
.hero h1 em{font-style:normal;color:var(--brand)}
.lead{margin:16px 0 22px;max-width:52ch;color:var(--muted);font-size:17px}
.hero-art{position:relative;aspect-ratio:1/.9;width:100%;max-width:440px;justify-self:end}
.hero-art::before{content:"";position:absolute;inset:4% 2%;border-radius:50%;background:var(--tint)}
.hero-art img{position:absolute;width:50%;height:auto;filter:drop-shadow(0 14px 18px rgba(15,27,61,.28))}
.hero-art img:nth-child(1){left:2%;top:6%;transform:rotate(-5deg)}
.hero-art img:nth-child(2){right:2%;bottom:2%;transform:rotate(4deg)}
.trust{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.trust li{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;font-size:14px;color:var(--muted)}
.trust b{display:block;color:var(--ink);font-size:15px;margin-bottom:2px}

/* katalog */
.shop{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;align-items:start;margin-top:44px}
.head{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:6px 14px;margin-bottom:14px}
.head h2{font-size:clamp(26px,3.4vw,34px)}
.filters{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between;margin-bottom:18px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{min-height:42px;padding:8px 16px;border:1.5px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);font:600 14px var(--f);cursor:pointer}
.chip:hover{border-color:var(--brand)}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.chip small{margin-left:7px;font:500 12px var(--f-mono);opacity:.7}
.selects{display:flex;gap:8px}
.sel select,select{min-height:42px;padding:8px 12px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);font:500 14px var(--f)}
input,textarea{width:100%;min-height:46px;padding:11px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);font:500 15px var(--f)}
textarea{min-height:92px;resize:vertical}
input:focus,textarea:focus,select:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 4px var(--tint)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:34px 16px;padding-top:14px}
.card{position:relative;display:grid;gap:10px;align-content:start;min-width:0;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--brand);transform:translateY(-2px)}
.wa-tab{position:absolute;top:-15px;right:16px;display:inline-flex;align-items:center;gap:6px;padding:9px 12px 8px;border-radius:10px 10px 0 0;background:var(--wa);color:var(--wa-ink);font:700 12px/1 var(--f);text-decoration:none}
.wa-tab svg{width:15px;height:15px;flex:none}
.wa-tab:hover{padding-bottom:12px}
button.ph{width:100%;border:0;font:inherit;color:inherit;cursor:zoom-in}
.ph{display:grid;place-items:center;aspect-ratio:4/5;padding:14px;overflow:hidden;border-radius:12px;background:var(--tint)}
.ph img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 8px 10px rgba(15,27,61,.25));transition:transform .2s}
button.ph:hover img{transform:scale(1.03)}
.ph span{font:600 12px var(--f);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.cat{display:flex;justify-content:space-between;align-items:center;gap:8px}
.card h3{font-size:20px;line-height:1.2;letter-spacing:-.015em}
.card h3 a{color:inherit;text-decoration:none}
.card h3 a:hover{text-decoration:underline;text-decoration-color:var(--brand);text-underline-offset:3px}
.code{display:inline-block;justify-self:start;padding:5px 9px;border-radius:8px;background:var(--tint);color:var(--link);font:500 12.5px/1.3 var(--f-mono);word-break:break-all}
.fit{margin:0;font-size:14px;color:var(--muted)}
.pill{padding:6px 10px;border-radius:999px;font:700 11px/1 var(--f);letter-spacing:.04em;white-space:nowrap;background:color-mix(in srgb,currentColor 13%,transparent)}
.pill.ok{color:var(--ok)}.pill.warn{color:var(--warn)}.pill.bad{color:var(--bad)}
.buy{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:4px;padding-top:14px;border-top:1px solid var(--line)}
.price{font:800 25px/1 var(--f);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.price small{margin-left:3px;font:600 12px var(--f);color:var(--muted)}
.empty{grid-column:1/-1;padding:28px;border:1.5px dashed var(--line);border-radius:var(--r);background:var(--surface);color:var(--muted)}

/* sipariş listesi */
.cart{position:sticky;top:16px;display:grid;gap:14px;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.cart h2{font-size:22px}
.lines{display:grid;gap:12px;margin:0;padding:0;list-style:none}
.line{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 10px;padding-bottom:12px;border-bottom:1px solid var(--line);font-size:14px}
.line .nm{font-weight:700}
.line .sub{font:500 12px var(--f-mono);color:var(--muted)}
.qty{grid-column:1/-1;display:flex;align-items:center;gap:6px;margin-top:6px}
.qty button{width:36px;height:36px;border:1.5px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);cursor:pointer}
.qty button:hover{border-color:var(--brand)}
.qty span{min-width:24px;text-align:center;font-family:var(--f-mono)}
.qty .rm{width:auto;margin-left:auto;padding:0 12px;border-color:transparent;color:var(--bad);font-size:13px}
.total{display:flex;justify-content:space-between;align-items:baseline;font:800 21px var(--f);letter-spacing:-.02em}
.ordertext{max-height:150px;margin:0;padding:12px;overflow:auto;border:1px solid var(--line);border-radius:12px;background:var(--bg);font:400 12px/1.5 var(--f-mono);white-space:pre-wrap}

/* bölümler */
.section{margin-top:72px}
.section h2{font-size:clamp(28px,4vw,42px)}
.guide>p{margin:8px 0 20px;max-width:60ch;color:var(--muted)}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table{width:100%;min-width:620px;border-collapse:collapse;font-size:15px}
th,td{padding:15px 20px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
th{background:var(--bg);color:var(--muted);font:700 11.5px var(--f);letter-spacing:.08em;text-transform:uppercase}
tr:last-child td{border-bottom:0}
td button,td a.go{display:inline-flex;align-items:center;min-height:38px;padding:8px 14px;border:0;border-radius:10px;background:var(--tint);color:var(--link);font:700 14px var(--f);text-decoration:none;white-space:nowrap;cursor:pointer}
td button:hover,td a.go:hover{background:var(--brand);color:var(--brand-ink)}
.request{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px 56px;padding:clamp(22px,4vw,40px);background:var(--surface);border:1px solid var(--line);border-radius:24px}
.request p{margin:12px 0 0;max-width:46ch;color:var(--muted)}
.fields{display:grid;gap:14px}
.fields label{display:grid;gap:7px}
.about,.faq{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:24px 56px}
.about p{margin:0 0 14px;max-width:64ch;color:var(--muted)}
.about p:last-child{margin-bottom:0}
details{padding:16px 0;border-bottom:1px solid var(--line)}
summary{display:flex;justify-content:space-between;gap:12px;font-weight:700;cursor:pointer;list-style:none}
summary::after{content:"+";color:var(--brand);font:500 22px/1 var(--f-mono)}
details[open] summary::after{content:"−"}
details p{margin:10px 0 0;color:var(--muted)}

/* alt bilgi ve mobil çubuk */
footer{margin-top:72px;background:var(--top);color:rgba(255,255,255,.78);font-size:14px}
.fin{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding-block:24px}
footer a{color:#fff}
.dock{display:none}

/* büyütme penceresi */
.lb{position:fixed;inset:0;z-index:50;display:grid;place-items:center;background:rgba(8,12,24,.84);padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
.lb-panel{position:relative;display:grid;gap:14px;width:min(100%,920px);max-height:100%;padding:16px;overflow:auto;border-radius:24px;background:var(--surface);box-shadow:0 24px 64px rgba(0,0,0,.5)}
.lb-img{display:grid;place-items:center;min-height:0;padding:16px;border-radius:16px;background:var(--tint)}
.lb-img img{max-width:100%;max-height:68vh;object-fit:contain;filter:drop-shadow(0 12px 18px rgba(15,27,61,.3))}
.lb-info{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;justify-content:space-between}
.lb-info h3{font-size:22px}
.lb-close{position:absolute;z-index:2;top:22px;right:22px;width:44px;height:44px;border:0;border-radius:50%;background:var(--surface);color:var(--ink);font-size:22px;line-height:1;cursor:pointer;box-shadow:0 2px 10px rgba(0,0,0,.25)}
.lb-close:hover{background:var(--brand);color:var(--brand-ink)}

/* ürün sayfası */
.crumbs{display:flex;flex-wrap:wrap;gap:4px 8px;margin:0;padding:18px 0 14px;list-style:none;font:500 13px/1.4 var(--f);color:var(--muted)}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--line)}
.crumbs a{color:var(--muted)}
.pp{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px 48px;align-items:start}
.pp-img{display:grid;place-items:center;aspect-ratio:4/5;min-width:0;max-width:100%;padding:24px;border-radius:24px;background:var(--tint)}
.pp-img img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 12px 18px rgba(15,27,61,.3))}
.pp-info{display:grid;gap:16px;align-content:start}
.pp-info h1{font-size:clamp(30px,4.6vw,46px)}
.pp-info p{margin:0;max-width:56ch;color:var(--muted)}
.pp-price{font:800 40px/1 var(--f);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.pp-price small{margin-left:4px;font:600 15px var(--f);color:var(--muted)}
.specs{display:grid;grid-template-columns:max-content minmax(0,1fr);margin:0;overflow:hidden;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
.specs dt,.specs dd{margin:0;padding:12px 16px;border-bottom:1px solid var(--line)}
.specs dt{background:var(--bg);color:var(--muted);font:600 12px/1.6 var(--f);letter-spacing:.08em;text-transform:uppercase}
.specs dd{font-weight:600;overflow-wrap:anywhere}
.specs dt:last-of-type,.specs dd:last-of-type{border-bottom:0}
.related{margin-top:56px}
.related h2{margin-bottom:14px;font-size:28px}
.nf{max-width:560px;padding-block:80px}
.nf h1{margin-bottom:12px;font-size:clamp(40px,8vw,68px)}
.nf p{color:var(--muted)}

/* tablet ve telefon */
@media (max-width:960px){
  .hero{grid-template-columns:1fr;padding-block:32px 24px}
  .hero-art{display:none}
  .shop{grid-template-columns:1fr}
  .cart{position:static}
  .request,.about,.faq,.pp{grid-template-columns:1fr}
  .pp-img{aspect-ratio:1/1;max-height:520px}
}
@media (max-width:720px){
  body{padding-bottom:calc(76px + env(safe-area-inset-bottom,0px))}
  .bar{grid-template-columns:minmax(0,1fr);gap:12px;padding-block:12px 10px}
  .cta{display:none}
  .brand{font-size:17px}
  .brand img{width:48px;height:48px}
  .trust{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .section{margin-top:56px}
  .dock{position:fixed;left:0;right:0;bottom:0;z-index:40;display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:10px max(16px,env(safe-area-inset-right,0px)) calc(10px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));background:var(--surface);border-top:1px solid var(--line)}
  .dock .btn{min-height:50px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Baş harfler büyük (Türkçe i/İ lang=tr ile doğru işlenir) */
h1,h2,h3,.btn,.chip,.hero .btn,.pill,.eyebrow,.label,nav a,.nav a,.trust b,.wa-tab,.dock a,.brand small,th,.specs dt,.footer h2,.footer h3,summary{text-transform:capitalize}
.lc{text-transform:none}