/* Osmaniye Su Tesisatçısı – Lacivert / Altın Sarısı / Kırmızı tema */
:root{
  --navy:#0a1838; --navy-2:#0f2350; --navy-3:#163070; --deep:#06102a;
  --gold:#f2b81b; --gold-2:#ffd45c; --red:#e11d2e; --red-2:#b8121f; --green:#1faa53;
  --text:#e7edf9; --muted:#a9b8d8; --line:rgba(242,184,27,.22);
  --radius:16px; --shadow:0 14px 40px rgba(0,0,0,.35);
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif; --head:'Poppins',var(--font);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--navy);color:var(--text);font-family:var(--font);font-size:16.5px;line-height:1.75;
  -webkit-user-select:none;user-select:none;-webkit-touch-callout:none;padding-bottom:86px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block;-webkit-user-drag:none;user-drag:none}
a{color:var(--gold);text-decoration:none}
a:hover{color:var(--gold-2)}
h1,h2,h3,h4{font-family:var(--head);line-height:1.3;color:#fff;margin:0 0 .6em}
.wrap{width:min(1240px,100% - 32px);margin-inline:auto}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;font-family:var(--head);
  font-size:15px;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-red{background:linear-gradient(135deg,var(--red),var(--red-2));color:#fff;box-shadow:0 8px 22px rgba(225,29,46,.4)}
.btn-red:hover{color:#fff}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:var(--deep)}
.btn-gold:hover{color:var(--deep)}
.btn-wa{background:var(--green);color:#fff}.btn-wa:hover{color:#fff}

/* üst bar & header */
.topbar{background:var(--deep);font-size:13.5px;color:var(--muted);border-bottom:1px solid var(--line)}
.topbar-in{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:6px 0;flex-wrap:wrap}
.tb-links{display:flex;gap:18px}.tb-links a{display:inline-flex;align-items:center;gap:6px;color:var(--gold)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,24,56,.97);backdrop-filter:blur(8px);border-bottom:2px solid var(--gold);box-shadow:0 6px 24px rgba(0,0,0,.3)}
.head-in{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:10px 0}
.logo img{width:300px;height:auto}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav>a,.dd-btn{color:#fff;font-weight:600;font-family:var(--head);font-size:14.5px;padding:10px 12px;border-radius:10px;background:none;border:0;cursor:pointer}
.main-nav>a:hover,.dd-btn:hover{background:var(--navy-3);color:var(--gold)}
.main-nav .nav-cta{background:var(--red);margin-left:6px;display:inline-flex;gap:6px;align-items:center}
.main-nav .nav-cta:hover{background:var(--red-2);color:#fff}
.dd{position:relative}
.dd-menu{position:absolute;top:100%;left:0;min-width:240px;background:var(--navy-2);border:1px solid var(--line);border-radius:14px;padding:10px;
  display:none;box-shadow:var(--shadow);z-index:60}
.dd-menu a{display:block;color:var(--text);padding:6px 10px;border-radius:8px;font-size:14px}
.dd-menu a:hover{background:var(--navy-3);color:var(--gold)}
.dd-menu a.all{color:var(--gold);font-weight:700;margin-top:6px;border-top:1px solid var(--line);padding-top:10px}
.dd:hover .dd-menu,.dd.open .dd-menu{display:block}
.dd-menu.mega{width:min(980px,90vw);left:50%;transform:translateX(-40%);display:none;grid-template-columns:repeat(5,1fr);gap:8px}
.dd:hover .dd-menu.mega,.dd.open .dd-menu.mega{display:grid}
.dd-menu.mega a.all{grid-column:1/-1}
.mega-col h4{font-size:13px;color:var(--gold);text-transform:uppercase;letter-spacing:.04em;margin:4px 10px 6px}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.burger span{width:26px;height:3px;background:var(--gold);border-radius:3px;transition:.25s}

/* breadcrumb & hero */
.crumbs{background:var(--deep);font-size:13.5px;color:var(--muted);padding:8px 0}
.crumbs a{color:var(--gold)}.crumbs i{font-style:normal;margin:0 6px;opacity:.6}
.page-hero{position:relative;padding:70px 0 60px;background-size:cover;background-position:center;background-color:var(--deep);border-bottom:3px solid var(--red)}
.page-hero h1{font-size:clamp(28px,4.4vw,46px);max-width:820px}
.page-hero h1::after{content:"";display:block;width:90px;height:5px;background:var(--gold);border-radius:4px;margin-top:14px}
.page-hero p{max-width:720px;color:var(--text);font-size:18px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}

/* slider */
.slider{position:relative;height:min(78vh,640px);min-height:440px;overflow:hidden;border-bottom:4px solid var(--gold)}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .9s ease;pointer-events:none}
.slide.active{opacity:1;pointer-events:auto}
.slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 7s ease}
.slide.active img{transform:scale(1)}
.slide-ov{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,16,42,.95) 0%,rgba(10,24,56,.75) 45%,rgba(10,24,56,.15) 100%)}
.slide-txt{position:relative;height:100%;display:flex;flex-direction:column;justify-content:center;max-width:1240px}
.slide-txt>*{max-width:640px}
.kicker{display:inline-block;width:max-content;background:var(--red);color:#fff;font-weight:700;font-size:13px;padding:6px 14px;border-radius:999px;margin-bottom:14px;font-family:var(--head)}
.slide-title{font-size:clamp(30px,5vw,58px);font-weight:800;text-shadow:0 4px 20px rgba(0,0,0,.4)}
.slide-title::after{content:"";display:block;width:110px;height:6px;background:var(--gold);border-radius:4px;margin-top:14px}
.slide-txt p{font-size:clamp(16px,1.6vw,20px)}
.sl-prev,.sl-next{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:48px;height:48px;border-radius:50%;border:2px solid var(--gold);
  background:rgba(6,16,42,.6);color:var(--gold);font-size:30px;line-height:1;cursor:pointer}
.sl-prev{left:14px}.sl-next{right:14px}
.sl-dots{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:3}
.sl-dots button{width:12px;height:12px;border-radius:50%;border:0;background:rgba(255,255,255,.45);cursor:pointer;padding:0}
.sl-dots button.on{background:var(--gold);width:32px;border-radius:8px}

/* finder */
.finder{margin-top:-60px;position:relative;z-index:5;background:linear-gradient(135deg,var(--navy-2),var(--navy-3));border:1px solid var(--line);border-radius:22px;padding:26px 28px;box-shadow:var(--shadow)}
.finder h2{font-size:24px;margin-bottom:2px}.finder>p{margin:0 0 14px;color:var(--muted)}
.finder-form{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:14px;align-items:end}
.finder-form label span{display:block;font-size:13px;font-weight:600;color:var(--gold);margin-bottom:4px}
.finder-form select{width:100%;padding:13px 14px;border-radius:12px;border:1px solid var(--line);background:var(--deep);color:#fff;font-size:15px;font-family:var(--font)}
.finder-form select:disabled{opacity:.5}
.finder-form .btn{height:50px;justify-content:center}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:30px auto}
.stats div{background:var(--navy-2);border:1px solid var(--line);border-radius:var(--radius);padding:18px;text-align:center}
.stats b{display:block;font-family:var(--head);font-size:32px;color:var(--gold)}
.stats span{color:var(--muted);font-size:14px}

/* bloklar */
.block{margin:46px auto}
.sec-title{font-size:clamp(24px,3vw,34px);text-align:center}
.sec-title::after{content:"";display:block;width:80px;height:5px;background:linear-gradient(90deg,var(--gold),var(--red));border-radius:4px;margin:12px auto 0}
.sec-sub{text-align:center;color:var(--muted);margin-top:-6px}
.svc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-top:22px}
.svc-card{position:relative;background:var(--navy-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;color:var(--text);
  display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--gold);color:var(--text)}
.svc-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.svc-card h3{font-size:17px;margin:14px 16px 6px}
.svc-card p{font-size:14px;color:var(--muted);margin:0 16px 10px;line-height:1.55;flex:1}
.svc-card b{margin:0 16px 16px;color:var(--gold);font-size:14px}
.svc-tag{position:absolute;top:12px;left:12px;background:var(--red);color:#fff;font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:999px}
.promo{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:40px auto}
.promo a{border-radius:var(--radius);overflow:hidden;border:2px solid var(--line);transition:transform .2s}
.promo a:hover{transform:scale(1.02);border-color:var(--gold)}
.promo img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:40px auto}
.why div{background:linear-gradient(160deg,var(--navy-3),var(--navy-2));border-radius:var(--radius);padding:22px;border-top:4px solid var(--gold)}
.why b{font-size:30px}.why h3{font-size:18px;margin:8px 0 4px}.why p{margin:0;color:var(--muted);font-size:14.5px}
.ilce-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-top:22px}
.ilce-card{background:var(--navy-2);border:1px solid var(--line);border-left:5px solid var(--red);border-radius:14px;padding:18px;color:var(--text);transition:.2s}
.ilce-card:hover{background:var(--navy-3);color:var(--text);transform:translateY(-3px)}
.ilce-card h3{font-size:20px;margin:0}.ilce-card p{margin:2px 0 8px;color:var(--muted);font-size:14px}.ilce-card span{color:var(--gold);font-weight:600;font-size:14px}

/* makale düzeni */
.page-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;margin-top:36px;margin-bottom:30px;align-items:start}
.article{background:var(--navy-2);border:1px solid var(--line);border-radius:20px;padding:34px 38px;min-width:0}
.article h2{font-size:clamp(21px,2.4vw,27px);margin-top:1.6em;padding-left:14px;border-left:5px solid var(--gold)}
.article h2.art-h{margin-top:0}
.article h3{font-size:18.5px;color:var(--gold-2)}
.article p{margin:0 0 1em}
.article .lead{font-size:18.5px;color:#fff}
.article ul,.article ol{padding-left:0;list-style:none;margin:0 0 1.2em}
.check li,.tips li{position:relative;padding:6px 0 6px 34px}
.check li::before{content:"✔";position:absolute;left:0;top:6px;width:24px;height:24px;border-radius:50%;background:var(--gold);color:var(--deep);font-size:13px;display:grid;place-items:center;font-weight:800}
.tips li::before{content:"💡";position:absolute;left:2px;top:5px}
.steps{counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:10px 0 10px 50px;border-bottom:1px dashed var(--line)}
.steps li::before{content:counter(s);position:absolute;left:0;top:8px;width:34px;height:34px;border-radius:10px;background:var(--red);color:#fff;font-weight:800;display:grid;place-items:center;font-family:var(--head)}
.adv{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:1em}
.adv div{background:var(--navy);border:1px solid var(--line);border-radius:14px;padding:16px}
.adv h3{margin:0 0 4px;font-size:17px}.adv p{margin:0;font-size:15px;color:var(--muted)}
.art-fig{margin:22px 0;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--deep)}
.art-fig img{width:100%;max-height:520px;object-fit:cover}
.art-fig figcaption{padding:10px 16px;font-size:14px;color:var(--muted);border-top:2px solid var(--gold)}
.art-img{border-radius:16px;margin:20px 0}
.inline-links{font-size:15px;color:var(--muted)}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin:30px 0;padding:22px 24px;border-radius:18px;
  background:linear-gradient(135deg,var(--red-2),var(--red));box-shadow:0 10px 30px rgba(225,29,46,.3)}
.cta-box strong{display:block;font-family:var(--head);font-size:20px;color:#fff}.cta-box span{color:#ffe1e3;font-size:14.5px}
.cta-btns{display:flex;gap:10px;flex-wrap:wrap}.cta-box .btn-red{background:var(--deep);box-shadow:none}
.faq-sec{margin-top:30px}
.faq-sec h2{font-size:clamp(22px,2.6vw,28px)}
.faq{background:var(--navy);border:1px solid var(--line);border-radius:14px;margin-bottom:10px;overflow:hidden}
.faq summary{cursor:pointer;padding:15px 48px 15px 18px;font-weight:600;font-family:var(--head);color:#fff;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;background:var(--gold);color:var(--deep);display:grid;place-items:center;font-weight:800}
.faq[open] summary::after{content:"–";background:var(--red);color:#fff}
.faq p{margin:0;padding:0 18px 16px;color:var(--muted)}
.wrap>.faq-sec{background:var(--navy-2);border:1px solid var(--line);border-radius:20px;padding:30px;margin:10px auto 40px}

/* sidebar */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.side-box{background:var(--navy-2);border:1px solid var(--line);border-radius:18px;padding:18px}
.side-box h3{font-size:17px;padding-bottom:8px;border-bottom:2px solid var(--gold)}
.side-list{list-style:none;margin:0;padding:0;max-height:420px;overflow:auto}
.side-list li a{display:block;padding:6px 8px;border-radius:8px;color:var(--text);font-size:14px;border-bottom:1px solid rgba(255,255,255,.05)}
.side-list li a:hover,.side-list li.on a{background:var(--navy-3);color:var(--gold)}
.side-call{text-align:center;background:linear-gradient(160deg,var(--navy-3),var(--deep))}
.side-call img{border-radius:12px;margin-bottom:10px}
.side-call .btn{width:100%;justify-content:center;margin-top:8px}

/* link bulutları */
.links-sec{background:var(--navy-2);border:1px solid var(--line);border-radius:18px;padding:22px 24px;margin-bottom:20px}
.links-sec h2{font-size:20px}
.chip-cloud{display:flex;flex-wrap:wrap;gap:8px}
.chip-cloud a{background:var(--navy);border:1px solid var(--line);color:var(--text);padding:6px 12px;border-radius:999px;font-size:13.5px}
.chip-cloud a:hover{border-color:var(--gold);color:var(--gold)}
.contact-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:20px 0}
.contact-cards>*{background:var(--navy);border:1px solid var(--line);border-radius:14px;padding:18px;color:var(--text)}
.contact-cards b{display:block;color:var(--gold);font-family:var(--head)}

/* footer */
.site-footer{background:var(--deep);border-top:4px solid var(--gold);margin-top:40px;padding-top:44px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:30px}
.site-footer h4{color:var(--gold);font-size:16px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li a{color:var(--muted);font-size:14px;line-height:2}
.site-footer li a:hover{color:var(--gold)}
.site-footer p{color:var(--muted);font-size:14.5px}
.f-contact a{color:#fff;font-weight:600;line-height:2}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:30px;padding:18px 0}
.foot-bottom p{margin:0}
.erkan{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}
.erkan img{width:180px;background:#fff;border-radius:10px;padding:4px}

/* alt sabit butonlar (gif) */
.call-bar{position:fixed;left:0;right:0;bottom:0;z-index:90;display:flex;justify-content:center;gap:14px;padding:7px 10px;
  background:rgba(6,16,42,.97);border-top:2px solid var(--gold);box-shadow:0 -8px 24px rgba(0,0,0,.35)}
.call-bar a{display:block;width:300px;max-width:50%}
.call-bar img{width:100%;height:auto}

/* mobil */
@media (max-width:1100px){
  .site-header{backdrop-filter:none;-webkit-backdrop-filter:none;background:var(--navy)}
  .logo img{width:240px}
  .burger{display:flex}
  .main-nav{position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:var(--navy);flex-direction:column;align-items:stretch;
    padding:80px 18px 100px;gap:2px;transform:translateX(105%);transition:transform .3s;overflow:auto;border-left:2px solid var(--gold);z-index:70}
  .main-nav.open{transform:none}
  .main-nav>a,.dd-btn{width:100%;text-align:left;padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.06)}
  .dd-menu,.dd-menu.mega{position:static;transform:none;width:auto;box-shadow:none;border:0;background:var(--navy-2);display:none}
  .dd:hover .dd-menu,.dd:hover .dd-menu.mega{display:none}
  .dd.open .dd-menu{display:block}.dd.open .dd-menu.mega{display:block}
  .burger{position:relative;z-index:80}
  .burger.x span:nth-child(1){transform:translateY(8px) rotate(45deg)}.burger.x span:nth-child(2){opacity:0}.burger.x span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .page-grid{grid-template-columns:1fr}
  .side{position:static}
  .foot-grid{grid-template-columns:1fr 1fr}
  .why{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:16px}
  .topbar-in>span:first-child{display:none}.topbar-in{justify-content:center}
  .tb-links{gap:12px;font-size:12.5px}
  .logo img{width:210px}
  .finder{margin-top:-30px;padding:20px}
  .finder-form{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .promo{grid-template-columns:1fr}
  .article{padding:22px 18px;border-radius:16px}
  .adv{grid-template-columns:1fr}
  .slider{min-height:480px;height:72vh}
  .slide-ov{background:linear-gradient(180deg,rgba(6,16,42,.55),rgba(6,16,42,.95))}
  .sl-prev,.sl-next{display:none}
  .page-hero{padding:46px 0 40px}
  .foot-grid{grid-template-columns:1fr}
  .why{grid-template-columns:1fr}
  .contact-cards{grid-template-columns:1fr}
  .call-bar{gap:8px;padding:6px}
  .erkan{flex-direction:column;align-items:flex-start}
}