:root{--accent:#1ed2ff;--accent-d:#0aaedb;--text:#333;--dark:#2b2f33;--line:#e5e5e5;--bg-soft:#f6f7f8}
*,*:before,*:after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arimo,Arial,Helvetica,sans-serif;font-size:14px;line-height:25px;color:var(--text);background:#fff}
img{max-width:100%;height:auto;border:0;vertical-align:middle}
a{color:var(--accent);text-decoration:none;transition:color .2s,background .2s,border-color .2s}
a:hover{color:var(--accent-d)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,h6{font-family:Oswald,Arial,sans-serif;font-weight:400;margin:0 0 15px;color:#222}
h1{font-size:48px;line-height:62px}h2{font-size:40px;line-height:52px}h3{font-size:32px;line-height:42px}
h4{font-size:24px;line-height:31px}h5{font-size:18px;line-height:23px}h6{font-size:16px;line-height:21px}
p{margin:0 0 15px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 15px}
.narrow{max-width:900px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:3000;background:#fff;padding:8px 14px}
.skip-link:focus{left:10px;top:10px}
.ic{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* üst bar + header */
.ic .s,.ic path.s{fill:currentColor;stroke:none}
.topbar{background:var(--accent);color:#fff;font-size:14px;line-height:40px}
.topbar .container{display:flex;flex-wrap:wrap;align-items:center;gap:0 28px}
.topbar a{color:#fff}.topbar a:hover{color:var(--dark)}
.tb-item{display:inline-flex;align-items:center}
.tb-item .ic{width:15px;height:15px;margin-right:8px}
.site-header{background:#fff}
.header-logo{text-align:center;padding:4px 0 0;border-bottom:1px solid #e1e1e1;line-height:0}
.brand{display:inline-block;line-height:0}
.header-nav .container{display:flex;justify-content:center;align-items:center;min-height:76px}
.main-nav ul{display:flex;justify-content:center}
.main-nav a{display:block;padding:0 17px;line-height:76px;color:#333;font-size:14px}
.main-nav a:hover,.main-nav li.active a{color:var(--accent-d)}
.nav-toggle{display:none;background:none;border:0;padding:12px;cursor:pointer}
.nav-toggle span{display:block;width:26px;height:3px;background:var(--accent);margin:5px 0;border-radius:2px}

/* sayfa başlığı */
.page-title{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:30px 0}
.page-title .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.page-title h1{font-size:36px;line-height:50px;margin:0}
.crumbs{display:flex;flex-wrap:wrap;font-size:13px}
.crumbs li+li:before{content:"/";margin:0 8px;color:#999}

/* bölümler */
.sec{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{margin-bottom:10px}
.section-title .line{display:block;width:60px;height:3px;background:var(--accent);margin:0 auto 20px}
.section-title.left{text-align:left}.section-title.left .line{margin-left:0}
.section-title.right{text-align:right}.section-title.right .line{margin-right:0}
.lead{max-width:900px;margin:0 auto;font-size:16px;line-height:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:50px}
.feature{text-align:center;margin-bottom:40px}
.feature .fi{display:inline-flex;align-items:center;justify-content:center;width:84px;height:84px;border-radius:50%;border:2px solid var(--accent);color:var(--accent);font-size:38px;margin-bottom:15px;transition:all .3s}
.feature:hover .fi{background:var(--accent);color:#fff}
.feature h4{margin-bottom:8px}
.feature-s{display:flex;gap:18px;align-items:flex-start;margin-bottom:25px;text-align:left}
.feature-s .fi{flex:none;display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;background:var(--accent);color:#fff;font-size:22px}
.feature-s h5{margin-bottom:4px}.feature-s p{margin:0}
.why .right+.feature-s,.why .right~.feature-s{text-align:left}

/* iletişim bandı (anasayfa) */
.contact-band{position:relative;color:#fff;text-align:center;padding:70px 0;min-height:400px;background:#3a5560 url(../images/deniz.jpg) center/cover no-repeat;background-attachment:fixed;display:flex;align-items:center}
.contact-band:before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.5)}
.contact-band .container{position:relative}
.contact-band h2{color:#fff;margin-bottom:15px}
.contact-band a{color:#fff;font-size:16px}.contact-band a:hover{color:var(--accent)}
.dbl-line{position:relative;max-width:300px;height:7px;margin:0 auto 35px;border-top:1px solid #fff;border-bottom:1px solid #fff}
.dbl-line .ci{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:54px;height:54px;border-radius:50%;background:#2d3a40;display:flex;align-items:center;justify-content:center;font-size:26px;border:1px solid #fff}

/* ürünler */
.products{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.product a{display:block;color:inherit;text-align:center}
.pimg{display:block;overflow:hidden;border:1px solid var(--line);margin-bottom:12px}
.pimg img{width:100%;transition:transform .4s}
.product a:hover .pimg img{transform:scale(1.06)}
.pcat{font-size:12px;color:#999;text-transform:uppercase;margin-bottom:2px;display:block}
.product h3{font-size:17px;line-height:24px;margin:0;color:#222}
.product a:hover h3{color:var(--accent)}
.filters{display:flex;gap:10px;margin-bottom:30px;flex-wrap:wrap}
.filters button{font:inherit;font-size:13px;text-transform:uppercase;padding:8px 20px;border:1px solid var(--line);background:#fff;color:#333;cursor:pointer}
.filters button.on,.filters button:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.product[hidden]{display:none}

/* ürün detayı */
.pd{align-items:start}
.gal #main-img{width:100%;border:1px solid var(--line)}
.thumbs{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}
.thumbs button{padding:0;border:2px solid var(--line);background:#fff;cursor:pointer;width:80px}
.thumbs button.on,.thumbs button:hover{border-color:var(--accent)}
.thumbs img{width:100%}
.ptitle{font-size:30px;line-height:40px}
.excerpt{font-size:16px}
.ask{margin-top:25px;padding:18px 20px;background:var(--bg-soft);border-left:4px solid var(--accent)}
.ask p{margin-bottom:6px}.ask a{font-size:16px}
.pbody{margin-top:50px;padding-top:20px;border-top:1px solid var(--line)}
.rel-title{margin:50px 0 25px}
.entry h2{font-size:26px;line-height:34px}.entry h3{font-size:24px;line-height:32px;margin-top:25px}.entry h4{font-size:18px;line-height:26px}
.entry ul{list-style:disc;padding-left:22px;margin-bottom:15px}.entry ol{list-style:decimal;padding-left:26px;margin-bottom:15px}
.entry li{margin-bottom:4px}.entry li h3,.entry li h4{margin:0;font-size:inherit}
.entry p{text-align:justify}
table.spec{width:100%;border-collapse:collapse;margin-bottom:20px}
table.spec td{padding:10px 14px;border:1px solid var(--line)}
table.spec tr:nth-child(odd){background:var(--bg-soft)}
table.spec td:first-child{width:38%;font-weight:700}
.entry table:not(.spec){border-collapse:collapse;margin-bottom:15px}
.entry table:not(.spec) td{padding:6px 12px;vertical-align:top;border:1px solid var(--line)}

/* hizmetler: dönen kartlar */
.flips{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.flip{perspective:900px;height:260px;outline-offset:3px}
.flip-in{position:relative;width:100%;height:100%;transition:transform .7s;transform-style:preserve-3d}
.flip:hover .flip-in,.flip:focus .flip-in,.flip.is-flipped .flip-in{transform:rotateY(180deg)}
.flip-f,.flip-b{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border:1px solid #ddd;background:#fff;padding:30px 20px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center}
.flip-f .ic{font-size:36px;color:var(--accent);margin-bottom:15px}
.flip-f h5,.flip-b h5{margin:0;color:#000}
.flip-b{transform:rotateY(180deg);justify-content:flex-start;overflow:auto}
.flip-b h5{margin-bottom:10px}.flip-b p{font-size:13px;line-height:21px;margin:0}

/* iletişim */
.cta-dark{background:var(--dark);color:#fff;text-align:center;padding:40px 0}
.cta-dark h2{color:#fff;font-size:26px;line-height:36px;margin:0}
.contact{align-items:start}
.cinfo{text-align:center;margin-bottom:35px}
.cinfo .ic{width:64px;height:64px;padding:16px;border-radius:50%;background:var(--accent);color:#fff;margin-bottom:12px}
.cinfo h6{margin-bottom:6px}.cinfo p{margin:0}
.cform label{display:block;font-weight:700;margin-top:12px}
.cform input,.cform textarea{width:100%;font:inherit;padding:10px;border:1px solid #ccc;border-radius:2px;margin-top:4px;color:#333}
.cform input:focus,.cform textarea:focus{outline:2px solid var(--accent);border-color:var(--accent)}
.cform .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.cform button{margin-top:18px;font:inherit;text-transform:uppercase;font-weight:700;padding:12px 34px;border:0;background:var(--accent);color:#fff;cursor:pointer}
.cform button:hover{background:var(--accent-d)}
.form-status{margin-top:12px;font-weight:700}.form-status.err{color:#c0392b}.form-status.ok{color:#2e8b57}

.site-footer{background:#222;color:#bbb;text-align:center;padding:22px 0;font-size:13px}

@media (max-width:991px){
 .grid-3,.grid-2{grid-template-columns:1fr}
 .grid-2{gap:30px}
 .products{grid-template-columns:repeat(2,1fr)}
 .flips{grid-template-columns:repeat(2,1fr)}
 .section-title.right{text-align:left}.section-title.right .line{margin-left:0}
 .contact-band{background-attachment:scroll}
 h1{font-size:36px;line-height:46px}h2{font-size:30px;line-height:40px}
}
@media (max-width:767px){
 .nav-toggle{display:block}
 .header-nav .container{flex-direction:column;min-height:0;padding:0}
 .nav-toggle{align-self:center}
 .main-nav{display:none;width:100%;border-top:1px solid var(--line)}
 .main-nav.open{display:block}
 .main-nav ul{display:block}
 .main-nav a{line-height:46px;padding:0 20px;text-align:center}
 .topbar .container{justify-content:center;line-height:30px;padding:6px 15px}
 .sec{padding:40px 0}
}
@media (max-width:520px){
 .products,.flips{grid-template-columns:1fr}
 .page-title h1{font-size:28px;line-height:38px}
 .ptitle{font-size:24px;line-height:32px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}