:root{--petrol:#0E3B3A;--ink:#0E2A2A;--teal:#1F6F6B;--yellow:#F2B705;--ground:#F3F5F2;--mist:#E6ECE9;--line:#D5DCD8;--muted:#4A5A58;--text2:#3B4D4B;--ok:#1B7A43;--err:#8B2A1F;
--display:Archivo,"Helvetica Neue",Arial,sans-serif;--body:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;--mono:"IBM Plex Mono",ui-monospace,Menlo,monospace}
*{box-sizing:border-box}
[hidden]{display:none !important}
html{scroll-behavior:smooth;scroll-padding-top:90px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--body);line-height:1.55;font-size:16px}
img,svg{max-width:100%}
a{color:var(--petrol)}a:hover{color:var(--teal)}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}
button,input,select,textarea{font:inherit}
.wrap{max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
.skip{position:absolute;left:-999px;top:0;background:var(--yellow);color:var(--ink);padding:10px 16px;z-index:100}.skip:focus{left:8px}
/* üst şerit ve header */
.topbar{background:var(--ink);color:#DCE6E3;font-size:14px}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;align-items:center;padding-top:10px;padding-bottom:10px}
.topbar a{color:#fff;text-decoration:none;margin-left:16px}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--petrol)}
.brand b{display:block;font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:-.02em;line-height:1.05}
.brand small{display:block;font-family:var(--display);font-weight:500;font-size:14px;letter-spacing:.04em}
.brand small span{color:var(--teal)}
.mainnav{display:flex;gap:24px;font-weight:500;font-size:15px}
.mainnav a{text-decoration:none}
.header-actions{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:12px 22px;border-radius:6px;font-weight:600;text-decoration:none;cursor:pointer;border:0;font-size:16px}
.btn-yellow{background:var(--yellow);color:var(--ink);font-family:var(--display);font-weight:700}
.btn-yellow:hover{background:#E2AA00;color:var(--ink)}
.btn-dark{background:var(--petrol);color:#fff}.btn-dark:hover{background:#0A2F2E;color:#fff}
.btn-line{background:#fff;border:1.5px solid var(--petrol);color:var(--petrol)}
.btn-wa{background:#fff;border:1.5px solid var(--ok);color:#14603A}
.btn-wa-solid{background:var(--ok);color:#fff}
.count{background:var(--ink);color:#fff;border-radius:99px;min-width:26px;height:26px;padding:0 8px;display:inline-flex;align-items:center;justify-content:center;font-size:14px}
.menu-btn{display:none;background:none;border:1.5px solid var(--petrol);border-radius:6px;min-height:44px;min-width:44px;cursor:pointer;color:var(--petrol)}
@media (max-width:900px){
 .menu-btn{display:inline-flex;align-items:center;justify-content:center}
 .mainnav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;flex-direction:column;gap:0;border-bottom:1px solid var(--line)}
 .mainnav.open{display:flex}
 .mainnav a{padding:14px 24px;border-top:1px solid var(--line)}
 .topbar .wrap>span:first-child{display:none}
 .hide-sm{display:none}
}
/* tipografi */
.kicker{font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--teal);margin:0}
.h1{margin:0;font-family:var(--display);font-weight:800;font-size:clamp(38px,5vw,68px);line-height:1.02;letter-spacing:-.03em;color:var(--petrol)}
.h2{margin:0;font-family:var(--display);font-weight:800;font-size:clamp(28px,3.4vw,44px);line-height:1.1;letter-spacing:-.02em;color:var(--petrol)}
.lead{margin:0;font-size:19px;color:var(--text2);max-width:600px}
.p{margin:0;font-size:17px;color:var(--text2)}
.section{padding-top:88px;padding-bottom:88px}
.stack{display:flex;flex-direction:column;gap:18px}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:48px;align-items:start}
.bg-white{background:#fff}.bg-mist{background:var(--mist)}.bg-petrol{background:var(--petrol);color:#fff}
.bordered{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
/* hero */
.hero .wrap{padding-top:72px;padding-bottom:64px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:56px;align-items:center}
.hero-art{background:var(--mist);border-radius:16px;padding:24px;display:flex;justify-content:center}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;padding-top:16px;border-top:1px solid var(--line)}
.facts strong{display:block;font-family:var(--display);font-weight:800;font-size:26px;color:var(--petrol)}
.facts span{font-size:14px;color:var(--muted)}
/* adımlar */
.steps{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px}
.steps .card{display:flex;flex-direction:column;gap:8px}
.steps .n{font-family:var(--mono);font-weight:600;color:var(--teal)}
.steps strong{font-family:var(--display);font-size:19px;color:var(--petrol)}
.steps .card span:last-child{color:var(--muted)}
/* tablo */
.table-box{margin-top:56px;overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:12px}
.cmp{width:100%;min-width:680px;border-collapse:collapse}
.cmp th{padding:16px 20px;text-align:left;background:var(--petrol);color:#fff;font-family:var(--display);font-weight:600}
.cmp th.hl{background:var(--yellow);color:var(--ink);font-weight:700}
.cmp td{padding:14px 20px;border-top:1px solid var(--line)}
.cmp tr:nth-child(even) td{background:#F7F9F8}
.cmp td:first-child{font-weight:600}.cmp td:nth-child(2){color:var(--muted)}
/* malzeme sekmeleri */
.pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{min-height:46px;padding:11px 20px;border-radius:99px;cursor:pointer;font-family:var(--display);font-weight:700;font-size:15px;border:1.5px solid #5E8582;background:transparent;color:#fff}
.pill[aria-selected=true]{background:var(--yellow);border-color:var(--yellow);color:var(--ink)}
.mat-panel{background:#fff;color:var(--ink);border-radius:14px;padding:36px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:36px}
.mat-panel[hidden]{display:none}
.mat-panel h3{margin:0;font-family:var(--display);font-weight:800;font-size:32px;line-height:1.1;color:var(--petrol)}
.facts-box{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.facts-box div{background:var(--ground);border-radius:10px;padding:20px}
.facts-box b{display:block;font-family:var(--mono);font-size:12px;font-weight:600;color:var(--teal);margin-bottom:6px}
.bg-petrol .kicker{color:var(--yellow)}.bg-petrol .h2{color:#fff}
/* ürün kartı */
.pcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:12px}
.pcard .top{display:flex;justify-content:space-between;gap:12px;align-items:center}
.brandline{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--muted)}
.badge{font-size:12px;font-weight:600;padding:4px 10px;border-radius:99px;background:var(--mist);color:var(--petrol)}
.pcard h3{margin:0;font-family:var(--display);font-weight:800;font-size:22px;line-height:1.2;color:var(--petrol)}
.pcard h3 a{text-decoration:none}
.pcard p{margin:0;color:var(--text2);flex-grow:1}
.kv{margin:0;padding:14px 0 0;list-style:none;display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--line);font-size:14px}
.kv li{display:flex;justify-content:space-between;gap:12px}.kv li span:first-child{color:var(--muted)}
.kv li span:last-child{font-family:var(--mono);font-weight:600;text-align:right}
.note{margin:0;font-size:14px;color:var(--muted)}
/* rehber */
.guide{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:16px}
.guide a{border:1.5px solid var(--petrol);border-radius:10px;padding:22px;display:flex;flex-direction:column;gap:8px;text-decoration:none;background:#fff}
.guide a span{color:var(--muted)}.guide a strong{font-family:var(--display);font-size:20px;color:var(--petrol)}
.guide a:hover{background:#F7F9F8}
.std b{display:block;font-family:var(--mono);font-weight:600;color:var(--petrol);font-size:17px}.std span{color:var(--muted);font-size:15px}
/* SSS */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:20px 0;min-height:56px;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:var(--display);font-weight:700;font-size:19px;color:var(--petrol)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:22px;color:var(--teal)}
.faq details[open] summary::after{content:"−"}
.faq p{margin:0 0 20px;color:var(--text2)}
/* iletişim */
.contact-card{background:#fff;border-radius:12px;padding:26px;display:flex;flex-direction:column;gap:14px}
.contact-card strong{font-family:var(--display);font-size:18px;color:var(--petrol)}
.label{font-family:var(--mono);font-size:12px;font-weight:600;color:var(--teal)}
.form-box{background:#fff;border-radius:12px;padding:30px;display:flex;flex-direction:column;gap:16px}
.form-box form{display:flex;flex-direction:column;gap:16px}
.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.form-box label.f{display:flex;flex-direction:column;gap:6px;font-weight:500;font-size:15px}
.form-box input[type=text],.form-box input[type=tel],.form-box input[type=email],.form-box select,.form-box textarea{padding:12px;border:1px solid #A9B5B2;border-radius:6px;min-height:46px;background:#fff;width:100%}
.form-box textarea{resize:vertical}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text2)}
.check input{width:20px;height:20px;margin-top:2px;flex-shrink:0}
.basket-title{font-family:var(--display);font-size:18px;color:var(--petrol)}
.basket-item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;background:var(--ground);border-radius:8px}
.basket-item button{background:none;border:1px solid #A9B5B2;border-radius:6px;min-height:36px;padding:0 12px;cursor:pointer}
.alert{margin:0;padding:12px 14px;background:#FBE9E6;color:var(--err);border-radius:6px;font-weight:500}
.summary{margin:0;white-space:pre-wrap;background:var(--ground);border-radius:8px;padding:16px;font-family:var(--mono);font-size:13px;line-height:1.6}
.hp{position:absolute;left:-9999px}
/* ürün detay */
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--muted);padding-top:28px}
.crumbs [aria-current]{color:var(--ink);font-weight:600}
.pd{padding-top:28px;padding-bottom:40px}
.pd-art{background:var(--mist);border-radius:16px;padding:28px;display:flex;justify-content:center}
.checks{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px}
.checks li{display:flex;gap:10px;align-items:flex-start}.checks svg{flex-shrink:0;margin-top:3px}
.mini{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.mini div{background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 14px}
.mini span{display:block;font-size:13px;color:var(--muted)}.mini b{font-family:var(--mono);font-weight:600}
.buybox{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:12px}
.buybox .row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.buybox .row strong{font-family:var(--display);font-size:20px;color:var(--petrol)}
.buybox .btn-row .btn{flex:1 1 180px}
.btn-add[aria-pressed=true]{background:#fff;border:1.5px solid var(--petrol);color:var(--petrol)}
.ptabs{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-top:40px}
.ptabs [role=tablist]{display:flex;flex-wrap:wrap;border-bottom:1px solid var(--line);background:#F7F9F8}
.ptabs [role=tab]{min-height:52px;padding:0 22px;background:transparent;border:0;border-bottom:3px solid transparent;cursor:pointer;font-family:var(--display);font-weight:700;font-size:15px;color:var(--muted)}
.ptabs [role=tab][aria-selected=true]{background:#fff;border-bottom-color:var(--yellow);color:var(--petrol)}
.ptabs [role=tabpanel]{padding:32px}
.spec{width:100%;min-width:480px;border-collapse:collapse}
.spec th{text-align:left;padding:12px 16px 12px 0;font-weight:500;color:var(--muted);width:40%;border-bottom:1px solid var(--line)}
.spec td{padding:12px 0;font-family:var(--mono);font-weight:600;border-bottom:1px solid var(--line)}
.doc{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 16px;border:1px solid var(--line);border-radius:8px;flex-wrap:wrap;margin-bottom:10px}
.related a{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px;display:flex;flex-direction:column;gap:6px;text-decoration:none;min-height:110px}
.related strong{font-family:var(--display);font-size:18px;color:var(--petrol)}.related em{font-style:normal;font-size:14px;color:var(--teal);font-weight:600}
/* footer */
.site-footer{background:var(--ink);color:#C9D6D3;font-size:15px}
.site-footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px;padding-top:56px;padding-bottom:28px}
.site-footer strong{color:#fff;font-family:var(--display);display:block;margin-bottom:4px}
.site-footer .col{display:flex;flex-direction:column;gap:8px}
.site-footer a{color:#C9D6D3;text-decoration:none}.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer .logo-txt{font-family:var(--display);font-weight:800;font-size:22px;color:#fff}
.site-footer .logo-txt span{font-weight:500}.site-footer .logo-txt i{font-style:normal;color:var(--yellow)}
.copy{border-top:1px solid #2A4846;padding-top:18px;padding-bottom:28px;font-size:13px;color:#9FB2AE}
.prose{max-width:820px}.prose h1{margin-bottom:16px}
/* güncelleme: görseller, danışman kutusu, WhatsApp */
.slogan{font-style:italic;letter-spacing:.01em}
.pd-photo,.lab-photo,.mat-photo{margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.pd-photo img,.lab-photo img{width:100%;height:auto;aspect-ratio:1/1;object-fit:contain;background:#fff;display:block}
.lab-photo figcaption{padding:12px 16px;font-size:14px;color:var(--muted);border-top:1px solid var(--line)}
.mat-photo{max-width:320px}.mat-photo img{width:100%;height:auto;display:block}
.consult{background:#FFF8E1;border:1.5px solid var(--yellow);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:12px}
.consult strong{font-family:var(--display);font-size:17px;line-height:1.35;color:var(--ink)}
.btn svg{flex-shrink:0}
.btn-wa-solid:hover{background:#14603A;color:#fff}
.site-footer .footer-wa{color:#fff;align-self:flex-start;margin-top:6px}
.site-footer .footer-wa:hover{text-decoration:none;color:#fff}