/* ==========================================================================
   AVRASYA SOĞUTMA — B2B katalog & teklif sitesi
   Renkler logodan türetildi: mavi #4840b8 / kırmızı #d82818
   ========================================================================== */
:root{
  --brand:#3d37a6;          /* logo mavisi (metin için koyulaştırıldı) */
  --brand-2:#4840b8;
  --brand-ink:#1b1a4d;
  --brand-soft:#eeedfa;
  --brand-tint:#f6f6fd;
  --red:#d82818;            /* logo kırmızısı — birincil CTA */
  --red-hover:#b81f12;
  --red-soft:#fdeceb;
  --wa:#25d366; --wa-hover:#1fb85a; --wa-ink:#0b5e2d;
  --ink:#0f172a; --ink-2:#1e293b; --body:#3f4a5c; --muted:#64748b; --faint:#94a3b8;
  --bg:#f5f6fa; --surface:#ffffff; --surface-2:#f1f3f8; --line:#e3e7ef; --line-2:#eef1f6;
  --ok:#15803d; --warn:#b45309;
  --r-xs:6px; --r-sm:9px; --r-md:13px; --r-lg:18px; --r-full:999px;
  --sh-1:0 1px 2px rgba(15,23,42,.05),0 1px 8px rgba(15,23,42,.04);
  --sh-2:0 6px 20px -6px rgba(27,26,77,.16);
  --sh-3:0 22px 50px -18px rgba(27,26,77,.3);
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --max:1320px;
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);font-size:16px;line-height:1.6;color:var(--body);background:var(--bg);-webkit-font-smoothing:antialiased}
img,svg,video{display:block;max-width:100%}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--red)}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4,h5{color:var(--ink);line-height:1.2;font-weight:800;letter-spacing:-.015em}
h1{font-size:clamp(1.7rem,3.4vw,2.6rem)}
h2{font-size:clamp(1.45rem,2.6vw,2rem)}
h3{font-size:1.2rem}
h4{font-size:1.02rem}
strong{color:var(--ink-2)}
.container{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:20px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--brand);color:#fff;padding:8px 14px;border-radius:var(--r-sm);z-index:1000}
.skip-link:focus{left:8px}
:focus-visible{outline:3px solid rgba(72,64,184,.45);outline-offset:2px}
.icon{width:1.1em;height:1.1em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.icon-fill{fill:currentColor;stroke:none}

/* ------------------------------------------------------------------ butonlar */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:var(--r-sm);font-weight:700;font-size:.95rem;line-height:1.2;border:1.5px solid transparent;transition:.18s ease;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 6px 16px -6px rgba(216,40,24,.55)}
.btn-primary:hover{background:var(--red-hover);color:#fff}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-ink);color:#fff}
.btn-wa{background:var(--wa);color:#fff;box-shadow:0 6px 16px -6px rgba(37,211,102,.55)}
.btn-wa:hover{background:var(--wa-hover);color:#fff}
.btn-outline{background:#fff;color:var(--ink-2);border-color:var(--line)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost{background:var(--brand-soft);color:var(--brand)}
.btn-ghost:hover{background:#e2e0f7;color:var(--brand-ink)}
.btn-sm{padding:8px 13px;font-size:.85rem}
.btn-lg{padding:15px 26px;font-size:1.02rem}
.btn-block{width:100%}
.btn[disabled]{opacity:.55;pointer-events:none}

/* ------------------------------------------------------------------ header */
.topbar{background:var(--brand-ink);color:#cfd0ee;font-size:.82rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;min-height:36px;gap:16px}
.topbar a{color:#fff;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.topbar a:hover{color:#ffd8d4}
.topbar-left,.topbar-right{display:flex;gap:20px;align-items:center}
.site-header{position:sticky;top:0;z-index:500;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line);box-shadow:var(--sh-1)}
.header-main{display:flex;align-items:center;gap:22px;min-height:var(--header-h)}
.logo{display:block;flex:none}
.logo img{height:46px;width:auto}
.header-search{flex:1;max-width:520px;position:relative}
.header-search form{display:flex;align-items:center;background:var(--surface-2);border:1.5px solid var(--line);border-radius:var(--r-full);padding:3px 4px 3px 16px;transition:.18s}
.header-search form:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(72,64,184,.1)}
.header-search input{flex:1;border:0;background:transparent;outline:0;font-size:.95rem;min-width:0;padding:8px 0}
.header-search button{width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center}
.header-search button:hover{background:var(--brand-ink)}
.search-suggest{position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-3);overflow:hidden;display:none;z-index:600;max-height:70vh;overflow-y:auto}
.search-suggest.open{display:block}
.suggest-item{display:flex;gap:12px;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line-2);color:var(--ink-2)}
.suggest-item:hover,.suggest-item.active{background:var(--brand-tint);color:var(--ink)}
.suggest-item img{width:44px;height:44px;object-fit:contain;border-radius:6px;background:#fff;border:1px solid var(--line-2)}
.suggest-item b{display:block;font-size:.92rem;line-height:1.3}
.suggest-item span{font-size:.78rem;color:var(--muted)}
.suggest-item mark{background:#fff1c2;color:inherit;border-radius:2px}
.suggest-foot{padding:10px 14px;font-size:.85rem;font-weight:700;text-align:center;background:var(--surface-2)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.hdr-phone{display:flex;align-items:center;gap:10px;padding:6px 12px 6px 6px;border-radius:var(--r-full);border:1.5px solid var(--line);color:var(--ink)}
.hdr-phone:hover{border-color:var(--brand)}
.hdr-phone .ic{width:34px;height:34px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center}
.hdr-phone small{display:block;font-size:.68rem;color:var(--muted);line-height:1;font-weight:600;letter-spacing:.02em}
.hdr-phone b{font-size:.92rem;line-height:1.1;display:block;white-space:nowrap}
.hdr-wa{width:44px;height:44px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 6px 14px -6px rgba(37,211,102,.7)}
.hdr-wa:hover{background:var(--wa-hover);color:#fff}
.hdr-basket{position:relative;display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:var(--r-full);background:var(--red);color:#fff;font-weight:700;font-size:.9rem}
.hdr-basket:hover{background:var(--red-hover);color:#fff}
.hdr-basket .count{min-width:22px;height:22px;padding:0 6px;border-radius:var(--r-full);background:#fff;color:var(--red);font-size:.78rem;display:grid;place-items:center;font-weight:800}
.hamburger{display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1.5px solid var(--line);place-items:center;color:var(--ink)}
.nav-bar{border-top:1px solid var(--line-2);background:#fff}
.main-nav{display:flex;align-items:center;gap:4px;min-height:48px}
.main-nav>li{position:relative}
.main-nav>li>a{display:flex;align-items:center;gap:6px;padding:12px 14px;font-weight:700;font-size:.93rem;color:var(--ink-2);border-radius:var(--r-sm)}
.main-nav>li>a:hover,.main-nav>li>a[aria-current]{color:var(--brand);background:var(--brand-tint)}
.main-nav>li>a.nav-cta{color:var(--red)}
.mega{position:absolute;top:100%;left:0;width:min(980px,calc(100vw - 40px));background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-3);padding:22px;display:none;z-index:600}
.has-mega:hover .mega,.has-mega:focus-within .mega{display:block}
.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px 14px}
.mega a{display:flex;gap:12px;align-items:center;padding:9px 10px;border-radius:var(--r-sm);color:var(--ink-2)}
.mega a:hover{background:var(--brand-tint);color:var(--brand)}
.mega a img{width:44px;height:44px;object-fit:contain;border-radius:8px;border:1px solid var(--line-2);background:#fff;flex:none}
.mega a b{display:block;font-size:.9rem;line-height:1.25}
.mega a span{font-size:.75rem;color:var(--muted)}
.mega-foot{margin-top:14px;padding-top:14px;border-top:1px solid var(--line-2);display:flex;justify-content:space-between;align-items:center;font-size:.88rem}

/* mobil menü */
.mobile-nav{position:fixed;inset:0;z-index:900;display:none}
.mobile-nav.open{display:block}
.mobile-nav .backdrop{position:absolute;inset:0;background:rgba(15,23,42,.55)}
.mobile-nav .panel{position:absolute;top:0;left:0;bottom:0;width:min(340px,88vw);background:#fff;overflow-y:auto;padding:18px;box-shadow:var(--sh-3)}
.mobile-nav .panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.mobile-nav .panel-head img{height:38px}
.mobile-nav ul li a{display:flex;justify-content:space-between;align-items:center;padding:12px 10px;border-bottom:1px solid var(--line-2);font-weight:600;color:var(--ink-2)}
.mobile-nav .sub a{padding-left:22px;font-weight:500;font-size:.92rem;color:var(--body)}
.mobile-nav details summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:12px 10px;border-bottom:1px solid var(--line-2);font-weight:700;color:var(--ink-2)}
.mobile-nav details summary::-webkit-details-marker{display:none}
.mobile-contact{margin-top:18px;display:grid;gap:8px}

/* ------------------------------------------------------------------ hero */
.hero{background:linear-gradient(135deg,#f7f7fd 0%,#eef0fb 55%,#fdf1ef 100%);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(closest-side,rgba(72,64,184,.14),transparent)}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center;padding:56px 0 48px;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--brand)}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--red)}
.hero h1{margin:14px 0 16px;font-size:clamp(1.9rem,4vw,3.1rem);color:var(--brand-ink)}
.hero h1 em{font-style:normal;color:var(--red)}
.hero p.lead{font-size:1.08rem;max-width:560px;color:var(--body)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-search{margin-top:26px;max-width:600px;position:relative}
.hero-search form{display:flex;align-items:center;background:#fff;border:1.5px solid var(--line);border-radius:var(--r-md);padding:5px 5px 5px 16px;box-shadow:var(--sh-2)}
.hero-search form:focus-within{border-color:var(--brand)}
.hero-search input{flex:1;border:0;outline:0;font-size:1rem;padding:10px 0;min-width:0}
.hero-search button{height:44px;padding:0 18px;border-radius:var(--r-sm);background:var(--brand);color:#fff;font-weight:700;display:inline-flex;align-items:center;gap:8px}
.hero-search .search-suggest{top:calc(100% + 8px)}
.hero-hints{margin-top:12px;font-size:.85rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.hero-hints a{padding:4px 10px;border-radius:var(--r-full);background:#fff;border:1px solid var(--line);color:var(--ink-2);font-weight:600;font-size:.8rem}
.hero-hints a:hover{border-color:var(--brand);color:var(--brand)}
.hero-visual{position:relative}
.hero-collage{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:150px;gap:12px}
.hero-collage a{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:12px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:var(--sh-1);transition:.2s;color:var(--ink-2);overflow:hidden}
.hero-collage a:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand)}
.hero-collage a:first-child{grid-row:span 2}
.hero-collage img{width:100%;height:100%;object-fit:contain;flex:1;min-height:0}
.hero-collage span{font-size:.75rem;font-weight:700;margin-top:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hero-badge{margin-top:14px;background:var(--brand-ink);color:#fff;padding:12px 16px;border-radius:var(--r-md);box-shadow:var(--sh-2);font-size:.85rem;display:inline-flex;align-items:center;gap:10px}
.hero-badge b{display:block;font-size:1.15rem;line-height:1}

/* ------------------------------------------------------------------ güven barı */
.trust{background:#fff;border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:18px 0}
.trust-item{display:flex;gap:12px;align-items:center;padding:8px 10px}
.trust-item .ic{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;flex:none}
.trust-item b{display:block;color:var(--ink);font-size:.95rem}
.trust-item span{font-size:.82rem;color:var(--muted)}

/* ------------------------------------------------------------------ bölümler */
.section{padding:56px 0}
.section-alt{background:#fff;border-block:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:26px}
.section-head p{color:var(--muted);margin-top:6px;max-width:640px}
.link-more{font-weight:700;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:14px;display:flex;flex-direction:column;gap:10px;transition:.2s;color:var(--ink-2);position:relative}
.cat-card:hover{border-color:var(--brand);box-shadow:var(--sh-2);transform:translateY(-3px);color:var(--brand)}
.cat-card .img{aspect-ratio:1;background:#fff;border-radius:var(--r-sm);display:grid;place-items:center;overflow:hidden}
.cat-card .img img{width:82%;height:82%;object-fit:contain}
.cat-card b{font-size:.98rem;line-height:1.3}
.cat-card span{font-size:.8rem;color:var(--muted)}

/* ürün kartı */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:14px;display:flex;flex-direction:column;transition:.2s;position:relative}
.pcard:hover{box-shadow:var(--sh-2);border-color:#c9c6ee;transform:translateY(-2px)}
.pcard .brand{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--brand);min-height:1.1em}
.pcard .img{display:block;aspect-ratio:1;margin:8px 0 10px;border-radius:var(--r-sm);background:#fff;overflow:hidden}
.pcard .img img{width:100%;height:100%;object-fit:contain;transition:.3s}
.pcard:hover .img img{transform:scale(1.04)}
.pcard h3{font-size:.98rem;font-weight:700;line-height:1.35;margin-bottom:4px}
.pcard h3 a{color:var(--ink)}
.pcard h3 a:hover{color:var(--brand)}
.pcard .tech{font-size:.8rem;color:var(--muted);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.2em}
.pcard .chips{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}
.chip{font-size:.72rem;font-weight:700;padding:3px 8px;border-radius:var(--r-full);background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line-2)}
.pcard .actions{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:auto;padding-top:12px}
.pcard .actions .btn{padding:9px 10px;font-size:.82rem}
.pcard .price-note{font-size:.78rem;color:var(--muted);margin-top:6px}

/* marka şeridi */
.brand-strip{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.brand-strip a{padding:10px 18px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;font-weight:800;color:var(--ink-2);font-size:.95rem;display:inline-flex;align-items:center;gap:10px;transition:.18s}
.brand-strip a img{height:26px;width:auto}
.brand-strip a small{font-weight:600;color:var(--muted);font-size:.75rem}
.brand-strip a:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--sh-1)}

/* CTA bandı */
.cta-band{background:linear-gradient(120deg,var(--brand-ink),#2d2a86);color:#fff;border-radius:var(--r-lg);padding:36px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band h3{color:#fff;font-size:1.6rem;margin:6px 0}
.cta-band p{color:#d5d4f2;max-width:560px}
.cta-band .actions{display:flex;gap:10px;flex-wrap:wrap}

/* kurumsal özet */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.about-grid ul{display:grid;gap:10px;margin:18px 0 22px}
.about-grid li{display:flex;gap:10px;align-items:flex-start;font-weight:600;color:var(--ink-2)}
.about-grid li .icon{color:var(--ok);margin-top:4px}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px}
.stat b{display:block;font-size:2rem;color:var(--brand);line-height:1}
.stat span{font-size:.88rem;color:var(--muted)}

/* SSS */
.faq{display:grid;gap:10px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:0 18px}
.faq summary{list-style:none;cursor:pointer;padding:16px 0;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--brand);font-weight:400;flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 16px;color:var(--body)}

/* ------------------------------------------------------------------ sayfa başlığı / breadcrumb */
.page-head{background:#fff;border-bottom:1px solid var(--line);padding:18px 0 22px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:.83rem;color:var(--muted);margin-bottom:10px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb li+li::before{content:"/";margin-right:6px;color:var(--faint)}
.breadcrumb li:last-child{color:var(--ink-2);font-weight:600}
.page-head p{max-width:820px;color:var(--body);margin-top:8px}
.page-head .meta{color:var(--muted);font-size:.9rem;margin-top:6px}

/* ------------------------------------------------------------------ katalog düzeni */
.catalog{display:grid;grid-template-columns:270px 1fr;gap:26px;padding:26px 0 60px}
.sidebar{position:sticky;top:calc(var(--header-h) + 60px);align-self:start;display:grid;gap:14px}
.filter-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px}
.filter-box h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:10px}
.filter-box input[type=search]{width:100%;padding:10px 12px;border:1.5px solid var(--line);border-radius:var(--r-sm);outline:0}
.filter-box input[type=search]:focus{border-color:var(--brand)}
.filter-list li a,.filter-list li label{display:flex;justify-content:space-between;align-items:center;padding:7px 8px;border-radius:var(--r-xs);color:var(--ink-2);font-size:.9rem;cursor:pointer}
.filter-list li a:hover,.filter-list li label:hover{background:var(--brand-tint);color:var(--brand)}
.filter-list li a[aria-current]{background:var(--brand-soft);color:var(--brand);font-weight:700}
.filter-list .n{font-size:.75rem;color:var(--muted);background:var(--surface-2);padding:1px 7px;border-radius:var(--r-full)}
.filter-list label input{margin-right:8px}
.filter-list label span:first-child{display:flex;align-items:center}
.catalog-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.catalog-toolbar select{padding:9px 12px;border:1.5px solid var(--line);border-radius:var(--r-sm);background:#fff;font-weight:600}
.result-count{font-size:.92rem;color:var(--muted)}
.subcat-strip{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}
.subcat-strip a{padding:8px 14px;border-radius:var(--r-full);border:1px solid var(--line);background:#fff;font-weight:600;font-size:.86rem;color:var(--ink-2)}
.subcat-strip a:hover,.subcat-strip a[aria-current]{border-color:var(--brand);color:var(--brand);background:var(--brand-tint)}
.show-more-wrap{text-align:center;margin-top:26px}
.empty-state{grid-column:1/-1;text-align:center;padding:60px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-md)}
.cat-intro{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 24px;margin-top:26px}
.cat-intro h2{font-size:1.25rem;margin-bottom:8px}
.cat-intro p+p{margin-top:10px}
.prose p+p,.prose ul+p,.prose p+ul{margin-top:12px}
.prose ul{list-style:disc;padding-left:22px;display:grid;gap:6px}
.prose h2,.prose h3{margin:22px 0 8px}
.prose table{width:100%;border-collapse:collapse;font-size:.92rem;margin:14px 0}
.prose th,.prose td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
.prose th{background:var(--surface-2);color:var(--ink)}
.table-wrap{overflow-x:auto}

/* ------------------------------------------------------------------ ürün detay */
.pd{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:34px;padding:28px 0 20px}
.pd-gallery{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;position:sticky;top:calc(var(--header-h) + 60px);align-self:start}
.pd-gallery .main{aspect-ratio:1;display:grid;place-items:center;overflow:hidden;border-radius:var(--r-md)}
.pd-gallery .main img{width:100%;height:100%;object-fit:contain;cursor:zoom-in}
.pd-gallery .note{margin-top:10px;font-size:.78rem;color:var(--muted);text-align:center}
.pd-info .brand-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:10px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:var(--r-full);font-size:.8rem;font-weight:700}
.pill-brand{background:var(--brand-soft);color:var(--brand)}
.pill-model{background:var(--surface-2);color:var(--ink-2);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.78rem}
.pill-stock{background:#e7f7ec;color:var(--ok)}
.pd h1{font-size:clamp(1.45rem,2.6vw,2.05rem);margin-bottom:8px}
.pd .tech-line{font-size:1.02rem;color:var(--body);margin-bottom:16px}
.key-specs{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-bottom:20px}
.key-spec{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 12px}
.key-spec span{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700}
.key-spec b{font-size:.95rem;color:var(--ink)}
.order-box{background:#fff;border:1.5px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-2)}
.order-box .price-line{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.order-box .price-line b{font-size:1.25rem;color:var(--brand-ink)}
.order-box .price-line span{font-size:.85rem;color:var(--muted)}
.qty{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:var(--r-sm);overflow:hidden;background:#fff}
.qty button{width:40px;height:44px;font-size:1.2rem;color:var(--brand);font-weight:700}
.qty button:hover{background:var(--brand-tint)}
.qty input{width:56px;text-align:center;border:0;border-inline:1.5px solid var(--line);height:44px;font-weight:700;outline:0}
.order-row{display:flex;gap:10px;align-items:stretch;flex-wrap:wrap}
.order-row .btn{flex:1;min-width:180px}
.order-alt{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.order-meta{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:14px;font-size:.83rem;color:var(--muted)}
.order-meta li{display:flex;align-items:center;gap:6px}
.order-meta .icon{color:var(--ok)}
.pd-tabs{position:sticky;top:var(--header-h);z-index:10;background:var(--bg);padding:10px 0;border-bottom:1px solid var(--line);margin-top:10px}
.pd-tabs ul{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}
.pd-tabs a{display:block;padding:9px 16px;border-radius:var(--r-full);font-weight:700;font-size:.88rem;color:var(--ink-2);background:#fff;border:1px solid var(--line);white-space:nowrap}
.pd-tabs a:hover{border-color:var(--brand);color:var(--brand)}
.pd-section{padding:34px 0;scroll-margin-top:calc(var(--header-h) + 70px)}
.pd-section+.pd-section{border-top:1px solid var(--line)}
.pd-section h2{font-size:1.35rem;margin-bottom:14px}
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;font-size:.94rem}
.spec-table th,.spec-table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line-2);vertical-align:top}
.spec-table th{width:34%;background:var(--surface-2);color:var(--ink);font-weight:600}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.spec-note{font-size:.82rem;color:var(--muted);margin-top:10px}
.desc-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 26px;font-size:1rem}
.desc-card h3{font-size:1.05rem;margin:18px 0 6px}
.desc-card ul{list-style:disc;padding-left:20px;display:grid;gap:6px}
.desc-card p+p{margin-top:10px}

/* ------------------------------------------------------------------ formlar */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}
.field label{display:block;font-size:.85rem;font-weight:700;color:var(--ink-2);margin-bottom:6px}
.field label small{color:var(--muted);font-weight:500}
.field input,.field textarea,.field select{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:var(--r-sm);background:#fff;outline:0;transition:.15s}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(72,64,184,.12)}
.field textarea{min-height:110px;resize:vertical}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:var(--body)}
.consent input{margin-top:4px}
.form-msg{padding:12px 14px;border-radius:var(--r-sm);font-size:.9rem;display:none;margin-top:12px}
.form-msg.ok{display:block;background:#e7f7ec;color:var(--ok)}
.form-msg.err{display:block;background:var(--red-soft);color:var(--red-hover)}
.hp{position:absolute;left:-9999px;opacity:0}

/* teklif sepeti çekmecesi */
.drawer{position:fixed;inset:0;z-index:950;display:none}
.drawer.open{display:block}
.drawer .backdrop{position:absolute;inset:0;background:rgba(15,23,42,.55)}
.drawer .panel{position:absolute;top:0;right:0;bottom:0;width:min(520px,100vw);background:#fff;display:flex;flex-direction:column;box-shadow:var(--sh-3);animation:slideIn .25s ease}
@keyframes slideIn{from{transform:translateX(30px);opacity:0}to{transform:none;opacity:1}}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-head h3{font-size:1.1rem;display:flex;align-items:center;gap:8px}
.drawer-close{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:var(--muted)}
.drawer-close:hover{background:var(--surface-2);color:var(--ink)}
.drawer-body{flex:1;overflow-y:auto;padding:18px 20px}
.basket-items{display:grid;gap:10px;margin-bottom:18px}
.basket-item{display:grid;grid-template-columns:56px 1fr auto;gap:12px;align-items:center;padding:10px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface)}
.basket-item img{width:56px;height:56px;object-fit:contain;border-radius:6px;border:1px solid var(--line-2)}
.basket-item b{display:block;font-size:.88rem;line-height:1.3;color:var(--ink)}
.basket-item small{color:var(--muted);font-size:.75rem}
.basket-item .qty{transform:scale(.85);transform-origin:right center}
.basket-item .rm{color:var(--muted);font-size:.75rem;margin-top:2px;text-decoration:underline}
.basket-item .rm:hover{color:var(--red)}
.basket-empty{text-align:center;padding:26px 10px;border:1px dashed var(--line);border-radius:var(--r-md);color:var(--muted);font-size:.9rem;margin-bottom:18px}
.drawer-foot{padding:14px 20px;border-top:1px solid var(--line);display:grid;gap:8px;background:var(--surface-2)}
.drawer .form-grid{grid-template-columns:1fr 1fr}

/* ------------------------------------------------------------------ iletişim */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:30px;align-items:start}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;display:grid;gap:14px}
.contact-line{display:flex;gap:14px;align-items:flex-start}
.contact-line .ic{width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;flex:none}
.contact-line b{display:block;color:var(--ink);font-size:.95rem}
.contact-line span,.contact-line a{font-size:.95rem}
.map-wrap{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;background:var(--surface-2)}
.map-wrap iframe{width:100%;height:100%;border:0}

/* ------------------------------------------------------------------ footer */
.site-footer{background:#12112f;color:#b9b8dc;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:30px;padding:54px 0 34px}
.footer-brand img{height:52px;width:auto;background:#fff;padding:8px 12px;border-radius:10px;margin-bottom:16px}
.footer-brand p{font-size:.92rem;line-height:1.65;max-width:360px}
.site-footer h5{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px}
.site-footer ul li{margin-bottom:9px}
.site-footer ul a{color:#c8c7e6;font-size:.92rem}
.site-footer ul a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;line-height:1.5}
.footer-contact .icon{margin-top:4px;color:#8f8ccf}
.footer-contact a{color:#fff;font-weight:600}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.82rem;color:#8f8ec0}
.footer-bottom a{color:#c8c7e6}
.footer-bottom a:hover{color:#fff}

/* ------------------------------------------------------------------ sabit öğeler */
.float-wa{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 12px 28px -8px rgba(37,211,102,.75);z-index:400;transition:.2s}
.float-wa:hover{transform:scale(1.06);color:#fff;background:var(--wa-hover)}
.float-wa .icon{width:30px;height:30px}
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:450;background:#fff;border-top:1px solid var(--line);padding:8px 10px calc(8px + env(safe-area-inset-bottom));box-shadow:0 -8px 24px -12px rgba(15,23,42,.25)}
.mobile-bar .grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.mobile-bar a,.mobile-bar button{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 4px;border-radius:var(--r-sm);font-size:.72rem;font-weight:700;color:var(--ink-2)}
.mobile-bar .wa{background:var(--wa);color:#fff}
.mobile-bar .quote{background:var(--red);color:#fff}
.mobile-bar .call{background:var(--brand-soft);color:var(--brand)}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:12px 18px;border-radius:var(--r-md);font-size:.9rem;font-weight:600;opacity:0;pointer-events:none;transition:.25s;z-index:999;box-shadow:var(--sh-3);max-width:calc(100vw - 32px);text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ------------------------------------------------------------------ gaz sayfaları */
.gas-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center}
.gas-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.gas-fact{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px}
.gas-fact span{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700}
.gas-fact b{font-size:1.05rem;color:var(--ink)}
.gas-nav{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.gas-nav a{padding:8px 14px;border-radius:var(--r-full);background:#fff;border:1px solid var(--line);font-weight:700;font-size:.86rem;color:var(--ink-2)}
.gas-nav a[aria-current],.gas-nav a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-tint)}

/* ------------------------------------------------------------------ 404 */
.notfound{text-align:center;padding:90px 20px}
.notfound b{font-size:5rem;color:var(--brand);display:block;line-height:1}

/* ------------------------------------------------------------------ responsive */
@media (max-width:1180px){
  .mega-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}
  .footer-grid .fc-4{display:none}
}
@media (max-width:1024px){
  :root{--header-h:66px}
  .topbar{display:none}
  .nav-bar{display:none}
  .header-search{display:none}
  .hdr-phone{display:none}
  .hamburger{display:grid}
  .hero-grid{grid-template-columns:1fr;gap:28px;padding:36px 0 40px}
  .hero-collage{grid-auto-rows:120px}
    .trust-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid,.contact-grid,.gas-hero{grid-template-columns:1fr}
  .catalog{grid-template-columns:1fr}
  .sidebar{position:static;grid-template-columns:1fr 1fr}
  .pd{grid-template-columns:1fr;gap:22px}
  .pd-gallery{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-grid .fc-4{display:block}
}
@media (max-width:640px){
  .container{padding-inline:16px}
  .logo img{height:38px}
  .hdr-basket span.txt{display:none}
  .hdr-basket{padding:10px 12px}
  .hdr-wa{display:none}
  .hero h1{font-size:1.85rem}
  .hero-collage{grid-template-columns:repeat(2,1fr);grid-auto-rows:110px}
  .hero-collage a:first-child{grid-row:span 1}
  .hero-collage a:nth-child(n+5){display:none}
  .section{padding:38px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .sidebar{grid-template-columns:1fr}
  .product-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .pcard{padding:10px}
  .pcard .actions{grid-template-columns:1fr}
  .pcard .actions .btn-outline{display:none}
  .cat-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .form-grid,.drawer .form-grid,.order-alt,.stat-grid,.gas-facts{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:22px;padding:40px 0 26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding-bottom:90px}
  .float-wa{display:none}
  .mobile-bar{display:block}
  .cta-band{padding:26px 20px}
  .key-specs{grid-template-columns:1fr 1fr}
  .spec-table th{width:42%}
  .desc-card{padding:18px}
  body{padding-bottom:70px}
}
@media print{
  .site-header,.topbar,.float-wa,.mobile-bar,.drawer,.pd-tabs,.order-box,.site-footer{display:none!important}
}