/* Eren Teknik Rulman - static site styles */
:root{
  --bg:#0b0d10; --bg-2:#12161b; --card:#151a20; --line:#242b33;
  --fg:#eef2f6; --muted:#9aa6b2; --amber:#f6a723; --amber-2:#ffcb5c;
  --radius:14px; --max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.15;margin:0;letter-spacing:-.02em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.eyebrow{color:var(--amber);font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;margin:0}
.muted{color:var(--muted)}
.amber{background:linear-gradient(90deg,var(--amber),var(--amber-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-block;border-radius:10px;padding:13px 22px;font-size:14px;font-weight:600;transition:.25s;cursor:pointer;border:0}
.btn-amber{background:linear-gradient(135deg,var(--amber),#e08a00);color:#1a1206;box-shadow:0 8px 26px rgba(246,167,35,.25)}
.btn-amber:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(246,167,35,.35)}
.btn-line{border:1px solid var(--line);color:var(--fg)}
.btn-line:hover{border-color:var(--amber);color:var(--amber)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,13,16,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hdr{display:flex;align-items:center;justify-content:space-between;gap:18px;height:76px}
.hdr .logo img{height:40px;width:auto}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:14px;font-weight:500;color:var(--fg);opacity:.85;transition:.2s}
.nav a:hover,.nav a.active{color:var(--amber);opacity:1}
.has-sub{position:relative}
.has-sub>a:after{content:"";display:inline-block;margin-left:6px;border:4px solid transparent;border-top-color:currentColor;transform:translateY(2px)}
.sub{position:absolute;top:100%;left:-14px;min-width:210px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s;box-shadow:0 20px 40px rgba(0,0,0,.45)}
.has-sub:hover .sub{opacity:1;visibility:visible;transform:translateY(0)}
.sub a{display:block;padding:9px 12px;border-radius:8px;font-size:14px}
.sub a:hover{background:rgba(246,167,35,.1)}
.hdr-cta{display:flex;align-items:center;gap:12px}
.hdr-tel{font-size:14px;font-weight:600;color:var(--amber)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;color:var(--fg);padding:9px 12px;font-size:18px}
.mobile-nav{display:none;border-top:1px solid var(--line);padding:12px 0 18px}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:11px 4px;border-bottom:1px solid var(--line);font-size:15px}
.mobile-nav .sm{padding-left:18px;font-size:14px;color:var(--muted)}
@media(max-width:900px){.nav,.hdr-tel{display:none}.burger{display:block}}

/* hero slider */
.hero{position:relative;height:82vh;min-height:520px;overflow:hidden}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease}
.slide.active{opacity:1}
.slide img{width:100%;height:100%;object-fit:cover;transform:scale(1.04)}
.slide:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,10,13,.92) 0%,rgba(8,10,13,.7) 45%,rgba(8,10,13,.35) 100%)}
.hero-body{position:absolute;inset:0;display:flex;align-items:center;z-index:2}
.hero-body h1{font-size:clamp(32px,5vw,58px);margin-top:14px}
.hero-body p.lead{color:#c9d3dd;max-width:560px;margin:18px 0 0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.dots{position:absolute;bottom:26px;left:0;right:0;z-index:3}
.dots .wrap{display:flex;gap:10px}
.dot{width:34px;height:4px;border-radius:99px;background:rgba(255,255,255,.28);border:0;cursor:pointer;padding:0}
.dot.active{background:var(--amber);width:52px}

/* sections */
section{padding:84px 0}
.sec-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid2{display:grid;gap:48px;grid-template-columns:1fr 1fr;align-items:center}
.grid3{display:grid;gap:22px;grid-template-columns:repeat(3,1fr)}
.grid4{display:grid;gap:22px;grid-template-columns:repeat(2,1fr)}
h2.title{font-size:clamp(26px,3.4vw,38px);margin-top:12px}
@media(max-width:880px){.grid2,.grid3{grid-template-columns:1fr}section{padding:56px 0}}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:30px}
.stats b{display:block;font-family:Georgia,serif;font-size:26px;color:var(--amber)}
.stats span{font-size:13px;color:var(--muted)}

/* product cards */
.p-card{position:relative;display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.p-card:hover{transform:translateY(-6px);border-color:rgba(246,167,35,.5)}
.p-card .ph{aspect-ratio:4/3;overflow:hidden}
.p-card .ph img{width:100%;height:100%;object-fit:cover;transition:.5s}
.p-card:hover .ph img{transform:scale(1.07)}
.p-card .bd{padding:20px}
.p-card h3{font-size:19px}
.p-card p{font-size:14px;color:var(--muted);margin:8px 0 0}
.p-card .more{display:inline-block;margin-top:14px;font-size:13px;font-weight:700;color:var(--amber)}

/* banner */
.banner{position:relative;padding:96px 0 72px;overflow:hidden;border-bottom:1px solid var(--line)}
.banner img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35}
.banner:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,10,13,.75),rgba(8,10,13,.95));z-index:1}
.banner .wrap{position:relative;z-index:2}
.banner h1{font-size:clamp(28px,4.2vw,46px);margin-top:12px}
.banner p{color:#c3ccd6;max-width:620px;margin:16px 0 0}

/* lists / news */
ul.check{list-style:none;padding:0;margin:22px 0 0}
ul.check li{position:relative;padding:10px 0 10px 28px;border-bottom:1px solid var(--line);font-size:15px}
ul.check li:before{content:"";position:absolute;left:4px;top:19px;width:8px;height:8px;border-radius:99px;background:var(--amber)}
.news .bd{padding:20px}
.news h3{font-size:18px;margin-top:6px}
.news p{font-size:14px;color:var(--muted);margin:8px 0 0}
.news .date{font-size:12px;color:var(--muted)}

/* contact */
dl.info{margin:0;font-size:15px}
dl.info dt{color:var(--muted);font-size:13px;margin-top:20px}
dl.info dd{margin:4px 0 0}
dl.info a:hover{color:var(--amber)}
iframe.map{width:100%;min-height:360px;border:0;display:block}

/* footer */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:56px 0 0}
.f-grid{display:grid;gap:34px;grid-template-columns:1.4fr 1fr 1fr 1.2fr}
.site-footer p,.site-footer li,.site-footer a{font-size:14px;color:var(--muted)}
.site-footer .ttl{color:var(--fg);font-weight:700;margin:0 0 14px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{padding:5px 0}
.site-footer a:hover{color:var(--amber)}
.f-bottom{margin-top:44px;border-top:1px solid var(--line);padding:20px 0;font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media(max-width:880px){.f-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.f-grid,.grid4,.stats{grid-template-columns:1fr}}

/* floating actions */
.fab{position:fixed;right:18px;bottom:18px;z-index:80;display:flex;flex-direction:column;gap:12px}
.fab a{width:54px;height:54px;border-radius:99px;display:grid;place-items:center;box-shadow:0 10px 26px rgba(0,0,0,.4);transition:.25s}
.fab a:hover{transform:scale(1.08)}
.fab .wa{background:#25d366}
.fab .tel{background:linear-gradient(135deg,var(--amber),#e08a00)}
.fab svg{width:28px;height:28px}
.fab .ring{position:absolute;inset:0;border-radius:99px;border:2px solid currentColor;animation:ring 2s infinite}
@keyframes ring{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.5);opacity:0}}
.fab .btnwrap{position:relative;color:#25d366}
.fab .btnwrap.t{color:var(--amber)}
.reveal{opacity:0;transform:translateY(18px);transition:.7s}
.reveal.in{opacity:1;transform:none}