:root{
--ink:#0f1620;--slate:#19212c;--slate2:#121821;--red:#e02424;--red-d:#c01b1b;
--muted:#5b6675;--line:#e6eaee;--soft:#f6f8fa;--rad:14px;
--shadow:0 18px 44px -22px rgba(15,22,32,.28);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"Inter",system-ui,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:"Space Grotesk",sans-serif;line-height:1.12;margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block;height:auto}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.red{color:var(--red)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;padding:12px 22px;border-radius:10px;border:1.5px solid transparent;cursor:pointer;transition:.16s;font-family:"Inter"}
.btn-red{background:var(--red);color:#fff}.btn-red:hover{background:var(--red-d)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}.btn-ghost:hover{border-color:var(--ink)}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}.btn-line:hover{border-color:#fff}
.btn-white{background:#fff;color:var(--red);font-weight:700}.btn-white:hover{background:#f4f4f4}
.btn-wa{background:#1faf54;color:#fff}.btn-wa:hover{background:#188f45} header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-family:"Space Grotesk";font-weight:700;font-size:21px;color:var(--ink);letter-spacing:-.02em}
.logo .flame{width:30px;height:30px;flex:0 0 auto}
.logo .net{color:var(--muted);font-weight:500}
.logo img{max-height:44px;width:auto}
.nav-links{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.nav-links a{font-weight:500;font-size:15px;color:var(--ink);opacity:.85}.nav-links a:hover{opacity:1;color:var(--red)}
.nav-cta{display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;background:none;border:0;font-size:25px;cursor:pointer;color:var(--ink)} .hero{position:relative;background:radial-gradient(60% 100% at 50% 0,rgba(224,36,36,.06),transparent 70%),linear-gradient(180deg,#fff,var(--soft));border-bottom:1px solid var(--line);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:46px 46px;opacity:.4;-webkit-mask-image:radial-gradient(70% 70% at 50% 30%,#000,transparent);mask-image:radial-gradient(70% 70% at 50% 30%,#000,transparent)}
.hero .wrap{position:relative;padding:74px 24px 64px;text-align:center}
.kicker{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:var(--red);background:#fff;border:1px solid var(--line);padding:7px 14px;border-radius:999px;margin-bottom:22px}
.kicker .d{width:7px;height:7px;border-radius:50%;background:var(--red)}
.hero h1{font-size:clamp(36px,5.4vw,60px);margin:0 auto 6px}
.hero .hero-sub{font-family:"Space Grotesk";font-weight:500;color:var(--muted);font-size:clamp(19px,2.8vw,28px);margin:0 auto 20px}
.hero .lead{font-size:18.5px;color:var(--muted);max-width:620px;margin:0 auto 30px} .search-wrap{position:relative;max-width:600px;margin:0 auto 18px}
.searchbar{display:flex;background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:7px 7px 7px 18px;box-shadow:var(--shadow)}
.searchbar svg{width:20px;height:20px;color:var(--muted);align-self:center;flex:0 0 auto}
.searchbar input{flex:1;border:0;outline:none;font:inherit;font-size:16px;padding:10px 12px;background:transparent}
.searchbar .btn{flex:0 0 auto}
.search-results{display:none;position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;text-align:left;z-index:30;max-height:360px;overflow-y:auto}
.search-results.open{display:block}
.sr-item{display:flex;align-items:center;gap:10px;padding:11px 16px;border-bottom:1px solid var(--soft);cursor:pointer;color:var(--ink)}
.sr-item:last-child{border-bottom:0}.sr-item:hover{background:var(--soft)}
.sr-k{font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--red);background:#fdeaea;padding:3px 8px;border-radius:5px;flex:0 0 auto}
.sr-t{font-size:15px}
.sr-empty{padding:14px 16px;color:var(--muted);font-size:14px}
.hero-chips{display:flex;gap:9px;flex-wrap:wrap;justify-content:center}
.hero-chips a{font-size:13.5px;color:var(--muted);background:#fff;border:1px solid var(--line);padding:6px 13px;border-radius:999px}
.hero-chips a:hover{border-color:var(--red);color:var(--red)} .trust{border-bottom:1px solid var(--line);background:#fff}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:0 24px}
.trust .t{padding:24px 18px;text-align:center;border-right:1px solid var(--line)}
.trust .t:last-child{border-right:0}
.trust .k{font-family:"Space Grotesk";font-weight:700;font-size:24px;color:var(--ink)}
.trust .l{font-size:13.5px;color:var(--muted);margin-top:2px} .blk{padding:72px 0}
.blk.first{padding-top:64px}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:34px}
.sec-head .lab{font-weight:600;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--red);margin-bottom:10px}
.sec-head h2{font-size:clamp(26px,3.4vw,38px)}
.sec-head p{color:var(--muted);margin-top:10px;max-width:560px}
.sec-head .link{font-weight:600;color:var(--ink);white-space:nowrap}.sec-head .link:hover{color:var(--red)} .brand-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.brand{display:flex;align-items:center;justify-content:center;text-align:center;min-height:84px;padding:16px;border:1px solid var(--line);border-radius:12px;background:#fff;font-family:"Space Grotesk";font-weight:600;font-size:17px;color:#2a3340;transition:.16s}
.brand:hover{border-color:var(--red);color:var(--red);box-shadow:var(--shadow);transform:translateY(-3px)}
.brand.has-img img{max-height:48px;width:auto;object-fit:contain} .cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cat{display:block;color:inherit;border:1px solid var(--line);border-radius:var(--rad);padding:24px;background:#fff;transition:.16s}
.cat:hover{border-color:#f1c4c4;box-shadow:var(--shadow);transform:translateY(-3px)}
.cat .ic{width:48px;height:48px;border-radius:11px;background:#fdeaea;color:var(--red);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.cat .ic svg{width:25px;height:25px}
.cat h3{font-size:18px;margin-bottom:6px}.cat p{color:var(--muted);font-size:14px}
.cat .count{display:inline-block;margin-top:12px;font-size:12.5px;font-weight:600;color:var(--red)} .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.guide{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--rad);overflow:hidden;background:#fff;transition:.16s;color:inherit}
.guide:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.guide .top{height:140px;background:linear-gradient(135deg,var(--slate),#2c3848);position:relative;overflow:hidden}
.guide .top::after{content:"";position:absolute;right:-30px;bottom:-30px;width:130px;height:130px;border-radius:50%;background:radial-gradient(circle,rgba(224,36,36,.5),transparent 65%)}
.guide .body{padding:20px 22px 24px}
.guide .tag{font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--red)}
.guide h3{font-size:19px;margin:8px 0 8px}.guide p{color:var(--muted);font-size:14.5px} .how{background:var(--slate);color:#fff;border-radius:18px;padding:50px 46px}
.how-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.how h2{color:#fff;font-size:clamp(26px,3.4vw,36px)}.how p{color:#aeb7c2;margin-top:14px}
.how .steps{display:grid;gap:16px}
.how .st{display:flex;gap:16px;align-items:flex-start;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:18px}
.how .st .n{flex:0 0 auto;width:38px;height:38px;border-radius:9px;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;font-family:"Space Grotesk";font-weight:700}
.how .st b{font-family:"Space Grotesk";font-size:17px;display:block;margin-bottom:3px;color:#fff}.how .st span{color:#aeb7c2;font-size:14px} .lead-cta{position:relative;background:linear-gradient(120deg,var(--red),#a8161c);color:#fff;border-radius:18px;padding:52px 48px;overflow:hidden}
.lead-cta::after{content:"";position:absolute;right:-40px;top:-60px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.08)}
.lead-cta .lc{position:relative;display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center}
.lead-cta h2{color:#fff;font-size:clamp(26px,3.6vw,40px)}
.lead-cta p{color:#ffe1e1;margin:14px 0 0;font-size:17px;max-width:520px}
.lead-cta .acts{display:flex;flex-direction:column;gap:11px}
.lead-cta .btn-dark{background:rgba(0,0,0,.22);color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.lead-cta small{display:block;color:#ffd4d4;font-size:13px;margin-top:4px;text-align:center} .page-hero{background:radial-gradient(60% 100% at 50% 0,rgba(224,36,36,.05),transparent 70%),linear-gradient(180deg,#fff,var(--soft));border-bottom:1px solid var(--line)}
.page-hero .wrap{padding:50px 24px 40px}
.page-hero .lab{font-weight:600;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--red);margin-bottom:10px}
.page-hero h1{font-size:clamp(30px,4.4vw,46px)}
.page-hero p{color:var(--muted);font-size:17px;margin-top:14px;max-width:680px} .prose{font-size:16.5px;color:#2c313a;max-width:1200px}
.prose h2{font-size:27px;margin:30px 0 12px}
.prose h3{font-size:21px;margin:24px 0 10px}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:22px}.prose li{margin-bottom:8px}
.prose a{color:var(--red);font-weight:600;text-decoration:underline}
.prose img{border-radius:10px;margin:18px 0}.prose strong{color:var(--ink)} .prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.prod{display:block;color:inherit;border:1px solid var(--line);border-radius:var(--rad);overflow:hidden;background:#fff;transition:.16s}
.prod:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#f1c4c4}
.prod .pimg{height:160px;background:var(--soft);background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center;color:#c2c9d2}
.prod .pimg svg{width:40px;height:40px}
.prod .pbody{padding:16px 18px 18px}
.prod .pbrand{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--red)}
.prod h3{font-size:16.5px;margin:5px 0 0} .filterbar{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:28px}
.filterbar a{font-size:14px;color:var(--muted);background:#fff;border:1px solid var(--line);padding:8px 15px;border-radius:999px}
.filterbar a:hover,.filterbar a.active{border-color:var(--red);color:var(--red)} .single-grid{display:grid;grid-template-columns:1.4fr .9fr;gap:40px;align-items:start}
.media-box{border:1px solid var(--line);border-radius:var(--rad);overflow:hidden;background:var(--soft)}
.media-box img{width:100%;height:auto}
.media-empty{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;color:#c2c9d2}
.media-empty svg{width:64px;height:64px}
.meta-card{border:1px solid var(--line);border-radius:var(--rad);padding:22px;background:#fff}
.meta-card .row{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--soft);font-size:15px}
.meta-card .row:last-of-type{border-bottom:0}
.meta-card .row span{color:var(--muted)}.meta-card .row b{font-weight:600}
.meta-card .btn{width:100%;justify-content:center;margin-top:14px} .contact-2col{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.ci-list{list-style:none;margin:0;padding:0}
.ci-list li{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.ci-ico{flex:0 0 auto;width:44px;height:44px;border-radius:10px;background:#fdeaea;color:var(--red);display:flex;align-items:center;justify-content:center}
.ci-ico svg{width:20px;height:20px}
.ci-list span{display:block;color:var(--muted);font-size:13px}.ci-list b{font-size:16px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:28px;box-shadow:var(--shadow)}
.form-ok{background:#e7f7ec;color:#1a7d3c;border:1px solid #b7e6c4;padding:14px 16px;border-radius:8px;margin-bottom:16px;font-weight:600}
.form-err{background:#fdeaea;color:#b8141d;border:1px solid #f4c4c6;padding:14px 16px;border-radius:8px;margin-bottom:16px;font-weight:600}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
.field input,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font:inherit;font-size:15px;background:#fff}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(224,36,36,.12)}
.field textarea{min-height:120px;resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0} footer.site{background:var(--slate2);color:#9aa3af;padding:56px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.08)}
footer.site .logo{color:#fff;margin-bottom:12px}
footer.site .logo .net{color:#6b7480}
footer.site p{font-size:14px;color:#838c98;max-width:320px;margin:0}
footer.site h4{color:#fff;font-family:"Space Grotesk";font-size:15px;margin-bottom:14px}
footer.site ul{list-style:none;margin:0;padding:0}footer.site li{margin-bottom:9px}
footer.site a{color:#9aa3af;font-size:14px}footer.site a:hover{color:var(--red)}
.foot-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:20px;font-size:12.5px;color:#69717c}
.disc{background:#0d1219;color:#69717c;font-size:12.5px;text-align:center;padding:14px 24px;line-height:1.5} .blog-pagination{margin-top:34px}
.blog-pagination .page-numbers{display:inline-block;min-width:42px;text-align:center;padding:9px 12px;margin:0 4px 4px 0;border:1px solid var(--line);border-radius:8px;color:var(--ink);font-weight:600}
.blog-pagination .page-numbers.current{background:var(--red);color:#fff;border-color:var(--red)}
.blog-pagination .page-numbers:hover{border-color:var(--red)}
@media(max-width:980px){
.nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;gap:0;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.nav-links.open{display:flex}.nav-links li{padding:0 24px;border-top:1px solid var(--line)}.nav-links a{display:block;padding:15px 0}
.menu-toggle{display:block}
.brand-grid{grid-template-columns:repeat(4,1fr)}
.cat-grid,.guide-grid{grid-template-columns:repeat(2,1fr)}
.prod-grid{grid-template-columns:repeat(2,1fr)}
.how-grid,.lead-cta .lc,.single-grid,.contact-2col{grid-template-columns:1fr;gap:26px}
.foot-grid{grid-template-columns:1fr 1fr}
.trust .wrap{grid-template-columns:1fr 1fr}.trust .t:nth-child(2){border-right:0}
}
@media(max-width:560px){
.brand-grid{grid-template-columns:repeat(2,1fr)}
.cat-grid,.guide-grid,.prod-grid,.form-row{grid-template-columns:1fr}
.sec-head{flex-direction:column;align-items:flex-start}
.how,.lead-cta{padding:32px 24px}.blk{padding:54px 0}
.foot-grid{grid-template-columns:1fr}
}
@media (min-width: 900px) {
.single-urun .single-grid { grid-template-columns: 0.85fr 1fr; }
.single-urun .meta-card   { position: sticky; top: 20px; }
} .page-hero .page-sub{font-size:18px;font-weight:600;color:#5b5f66;margin:6px 0 0}
.page-hero .page-lead{max-width:760px;margin:14px 0 0;font-size:16px;line-height:1.6;color:#41454c} .urun-block{margin-top:34px}
.urun-block > h2{font-size:22px;margin:0 0 14px} .urun-teknik{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--rad);overflow:hidden}
.urun-teknik th,.urun-teknik td{padding:11px 14px;text-align:left;vertical-align:top;font-size:14.5px;border-bottom:1px solid var(--line)}
.urun-teknik th{width:42%;background:var(--soft);font-weight:600;color:#15171c}
.urun-teknik tr:last-child th,.urun-teknik tr:last-child td{border-bottom:0} .urun-sss{border:1px solid var(--line);border-radius:var(--rad);margin-bottom:10px;background:#fff;overflow:hidden}
.urun-sss summary{cursor:pointer;padding:14px 16px;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.urun-sss summary::-webkit-details-marker{display:none}
.urun-sss summary::after{content:"+";font-size:20px;color:#e02424;line-height:1}
.urun-sss[open] summary::after{content:"–"}
.urun-sss > div{padding:0 16px 16px;color:#41454c;line-height:1.6}
.urun-tabs{margin-top:8px}
.tab-nav{display:flex;flex-wrap:wrap;gap:4px;border-bottom:2px solid var(--line);margin-bottom:26px}
.tab-btn{appearance:none;background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-2px;padding:12px 20px;font:inherit;font-weight:600;font-size:15px;color:#5b5f66;cursor:pointer;transition:.15s}
.tab-btn:hover{color:#15171c}
.tab-btn.is-active{color:#e02424;border-bottom-color:#e02424}
.tab-panel{display:none}
.tab-panel.is-active{display:block;animation:tabfade .2s ease}
@keyframes tabfade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
@media (max-width:600px){.tab-nav{gap:0}.tab-btn{padding:10px 12px;font-size:14px}}