/* TARSUS SU TESİSATÇISI – tarsussutesisatcisi.com */
:root{--c1:#ef4444;--c2:#f97316;--c3:#2563eb;--c4:#facc15;--c5:#16a34a;--ink:#0f172a;--mut:#475569;--bg:#f6f7fb;--card:#fff;--line:#e5e7eb;--r:18px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-user-select:none;user-select:none;padding-bottom:90px;transition:background .8s}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:linear-gradient(120deg,#fde8e8,#ffedd5,#dbeafe,#fef9c3,#dcfce7,#fde8e8);background-size:500% 500%;animation:bgflow 30s ease infinite;opacity:.65}
@keyframes bgflow{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
a{color:var(--c3);text-decoration:none;transition:color .3s}
a:hover{color:var(--c1)}
img{max-width:100%;height:auto;display:block;-webkit-user-drag:none;pointer-events:auto}
.wrap{width:min(1200px,100% - 32px);margin-inline:auto}
/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(10,15,40,.92);backdrop-filter:blur(10px);border-bottom:3px solid var(--c1);transition:border-color .8s}
.hdr-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px}
.logo{display:flex;align-items:center;gap:10px;color:#fff}
.logo:hover{color:#fff}
.logo-ic{width:46px;height:46px;flex:none;filter:drop-shadow(0 3px 8px rgba(0,0,0,.35))}
.logo-t{display:flex;flex-direction:column;line-height:1.15}
.logo-t b{font-size:17px;letter-spacing:.5px;background:linear-gradient(90deg,#fff,var(--c4));-webkit-background-clip:text;background-clip:text;color:transparent}
.logo-t small{font-size:11.5px;color:#cbd5e1}
.nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav a{color:#e2e8f0;padding:8px 11px;border-radius:10px;font-size:14.5px;font-weight:600}
.nav a:hover{background:rgba(255,255,255,.1);color:#fff}
.nav .nav-tel{background:linear-gradient(90deg,var(--c1),var(--c2));color:#fff;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(239,68,68,.6)}50%{box-shadow:0 0 0 8px rgba(239,68,68,0)}}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:26px;height:3px;background:#fff;margin:5px 0;border-radius:3px}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 22px;border-radius:999px;font-weight:700;color:#fff;border:0;cursor:pointer;font-size:15.5px;transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);color:#fff;box-shadow:0 10px 24px rgba(0,0,0,.2)}
.b1{background:linear-gradient(90deg,var(--c1),var(--c2))}
.b2{background:linear-gradient(90deg,#16a34a,#22c55e)}
.b3{background:linear-gradient(90deg,var(--c3),#38bdf8)}
.hb{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
/* slider */
.slider{position:relative;height:clamp(420px,72vh,640px);overflow:hidden;background:#0a0f28}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1s,transform 6s;transform:scale(1.06)}
.slide.act{opacity:1;transform:scale(1)}
.simg{display:none}
.sov{position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,15,40,.92) 0%,rgba(10,15,40,.6) 50%,rgba(10,15,40,.15) 100%)}
.scap{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;color:#fff;max-width:1200px}
.scap .st{font-size:clamp(30px,5.4vw,58px);line-height:1.08;margin:12px 0;max-width:720px;background:linear-gradient(90deg,#fff 40%,var(--c4));-webkit-background-clip:text;background-clip:text;color:transparent}
.scap p{font-size:clamp(16px,2vw,20px);max-width:600px;color:#e2e8f0}
.tag{align-self:flex-start;background:linear-gradient(90deg,var(--c1),var(--c2));padding:6px 14px;border-radius:999px;font-size:14px;font-weight:700}
.sbtn{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:46px;height:46px;border-radius:50%;border:0;background:rgba(255,255,255,.18);color:#fff;font-size:30px;cursor:pointer;backdrop-filter:blur(4px)}
.sbtn:hover{background:var(--c1)}
.prev{left:14px}.next{right:14px}
.dots{position:absolute;bottom:18px;left:0;right:0;display:flex;justify-content:center;gap:8px;z-index:5}
.dots i{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:all .3s}
.dots i.on{background:var(--c4);width:30px;border-radius:8px}
/* finder */
.finder{margin-top:-46px;position:relative;z-index:10}
.fbox{background:#fff;border-radius:var(--r);box-shadow:0 18px 50px rgba(15,23,42,.18);padding:22px;display:grid;grid-template-columns:1.2fr 1fr 1.4fr 1.4fr auto;gap:14px;align-items:end;border-top:5px solid var(--c1);transition:border-color .8s}
.fbox h2{font-size:19px;align-self:center}
.fbox label{display:flex;flex-direction:column;font-weight:700;font-size:13px;color:var(--mut);gap:5px}
.fbox select{padding:12px;border:2px solid var(--line);border-radius:12px;font-size:15px;background:#f8fafc;color:var(--ink)}
.fbox select:focus{outline:none;border-color:var(--c3)}
/* page hero */
.phero{background-size:cover;background-position:center;color:#fff;padding:70px 0 60px}
.phero h1{font-size:clamp(28px,4.6vw,48px);line-height:1.15;max-width:850px}
.phero p{font-size:18px;color:#e2e8f0;margin-top:10px;max-width:700px}
/* main */
.main{padding:34px 0 40px}
.bc{font-size:14px;color:var(--mut);margin-bottom:18px}
.grid2{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;align-items:start}
.art{background:var(--card);border-radius:var(--r);padding:clamp(18px,3vw,38px);box-shadow:0 6px 30px rgba(15,23,42,.07)}
.art h2{font-size:clamp(21px,2.6vw,27px);margin:30px 0 12px;line-height:1.25;padding-left:14px;border-left:6px solid var(--c1);transition:border-color .8s}
.art h2:first-child,.art .art-hero+h2{margin-top:6px}
.art p{margin:0 0 14px;color:#1e293b;font-size:16.5px}
.art-hero{border-radius:14px;margin-bottom:22px;width:100%}
.afig{margin:22px 0}
.afig img{border-radius:14px;width:100%}
.afig figcaption{font-size:13.5px;color:var(--mut);margin-top:6px;text-align:center}
.steps{counter-reset:s;list-style:none;margin:10px 0 16px}
.steps li{counter-increment:s;position:relative;padding:12px 14px 12px 58px;margin-bottom:10px;background:#f8fafc;border-radius:12px}
.steps li::before{content:counter(s);position:absolute;left:14px;top:12px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;background:linear-gradient(135deg,var(--c1),var(--c2))}
.tips,.chk{list-style:none;margin:10px 0 16px;display:grid;gap:8px}
.tips li{padding:10px 14px 10px 44px;position:relative;background:linear-gradient(90deg,#eff6ff,#fff);border-radius:10px}
.tips li::before{content:"💡";position:absolute;left:14px}
.chk{grid-template-columns:repeat(2,1fr)}
.chk li{padding:8px 12px 8px 38px;position:relative;background:#f0fdf4;border-radius:10px;font-weight:600}
.chk li::before{content:"✔";position:absolute;left:14px;color:var(--c5)}
.faq{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff;overflow:hidden}
.faq summary{cursor:pointer;padding:14px 18px;font-weight:700;list-style:none;position:relative;padding-right:44px}
.faq summary::after{content:"+";position:absolute;right:18px;top:10px;font-size:22px;color:var(--c1)}
.faq[open] summary::after{content:"−"}
.faq[open] summary{background:linear-gradient(90deg,#fff7ed,#fff)}
.faq p{padding:0 18px 14px}
.g6{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:14px 0 20px}
.g6 figure{position:relative;border-radius:12px;overflow:hidden}
.g6 img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s}
.g6 figure:hover img{transform:scale(1.06)}
.g6 figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 10px 8px;color:#fff;font-weight:700;font-size:13.5px;background:linear-gradient(transparent,rgba(0,0,0,.8))}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 18px}
.chips a{padding:7px 13px;border-radius:999px;background:#f1f5f9;font-size:14px;font-weight:600;color:var(--ink);border:1px solid var(--line)}
.chips a:hover{background:var(--c3);color:#fff}
.more{font-weight:600}
/* sidebar */
.side{position:sticky;top:90px;display:flex;flex-direction:column;gap:16px}
.sbox{background:#fff;border-radius:var(--r);padding:18px;box-shadow:0 6px 30px rgba(15,23,42,.07)}
.sbox h3{font-size:17px;margin-bottom:10px}
.sbox.call{background:linear-gradient(135deg,var(--c1),var(--c2));color:#fff;text-align:center;display:flex;flex-direction:column;gap:10px}
.sbox.call a{background:#fff;color:var(--c1);padding:11px;border-radius:999px;font-weight:800;font-size:18px}
.sbox.call a.wa{background:#16a34a;color:#fff;font-size:16px}
.slist{list-style:none;max-height:520px;overflow:auto}
.slist a{display:block;padding:7px 10px;border-radius:8px;font-size:14.5px;color:var(--ink)}
.slist a:hover,.slist a.on{background:linear-gradient(90deg,#fee2e2,#fff7ed);color:var(--c1);font-weight:700}
/* home */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:16px 0 30px}
.stats div{background:#fff;border-radius:var(--r);padding:20px;text-align:center;box-shadow:0 6px 24px rgba(15,23,42,.07);border-bottom:4px solid var(--c3);transition:border-color .8s}
.stats b{display:block;font-size:30px;background:linear-gradient(90deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stats span{color:var(--mut);font-weight:600}
.sec{font-size:clamp(24px,3vw,34px);text-align:center;margin:20px 0 8px}
.sec::after{content:"";display:block;width:90px;height:5px;margin:10px auto 0;border-radius:5px;background:linear-gradient(90deg,var(--c1),var(--c2),var(--c4),var(--c5),var(--c3))}
.lead{text-align:center;color:var(--mut);max-width:760px;margin:0 auto 22px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:34px}
.cards.sm{grid-template-columns:repeat(3,1fr);gap:10px;margin:10px 0 24px}
.card{position:relative;border-radius:16px;overflow:hidden;background:#0a0f28;box-shadow:0 8px 24px rgba(15,23,42,.12);display:block;aspect-ratio:16/11}
.card img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:transform .6s,opacity .4s}
.card:hover img{transform:scale(1.08);opacity:1}
.card span{position:absolute;left:0;right:0;bottom:0;padding:30px 12px 11px;color:#fff;font-weight:800;font-size:15.5px;background:linear-gradient(transparent,rgba(10,15,40,.92))}
.card::after{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:linear-gradient(90deg,var(--c1),var(--c2),var(--c4),var(--c5),var(--c3))}
.cards.sm span{font-size:13px;padding:22px 8px 8px}
.home-art{margin-bottom:30px}
.faqs{max-width:900px;margin:10px auto 34px}
.mgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;margin:12px 0 20px}
.mgrid a{background:#fff;padding:9px 12px;border-radius:10px;font-weight:600;font-size:14.5px;color:var(--ink);border-left:4px solid var(--c2);box-shadow:0 3px 10px rgba(15,23,42,.05)}
.mgrid a:hover{border-left-color:var(--c3);color:var(--c3)}
.mcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px}
.mcard{background:#fff;border-radius:14px;padding:14px;box-shadow:0 4px 18px rgba(15,23,42,.06)}
.mcard .mt{font-weight:800;font-size:16.5px;display:block;margin-bottom:8px;color:var(--c1)}
.ms{display:flex;flex-wrap:wrap;gap:6px}
.ms a{font-size:12.5px;background:#f1f5f9;padding:4px 9px;border-radius:999px;color:var(--ink)}
.contact{display:flex;flex-wrap:wrap;gap:12px;margin:10px 0 20px}
/* cta + footer */
.cta{background:linear-gradient(110deg,var(--c1),var(--c2) 40%,var(--c3));color:#fff;padding:34px 0;transition:background .8s}
.cta-in{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.cta h2{font-size:clamp(22px,3vw,30px)}
.cta .b1{background:#fff;color:var(--c1)}
.cta-b{display:flex;gap:10px;flex-wrap:wrap}
.ftr{background:#0a0f28;color:#cbd5e1;padding:46px 0 0}
.ftr-g{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px}
.ftr h3{color:#fff;font-size:17px;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--c2);display:inline-block}
.ftr p{margin:12px 0;font-size:14.5px}
.ftr ul{list-style:none}
.ftr li a,.ftr a{color:#cbd5e1;font-size:14.5px;line-height:2}
.ftr a:hover{color:var(--c4)}
.ftr-img{border-radius:12px;margin-top:10px;border:2px solid rgba(255,255,255,.15)}
.copy{text-align:center;padding:18px 16px;margin-top:34px;border-top:1px solid rgba(255,255,255,.1);font-size:14px}
.copy a{color:var(--c4);font-weight:700}
/* floating gif buttons */
.fbtn{position:fixed;right:16px;bottom:16px;z-index:100;display:flex;flex-direction:column;gap:8px}
.fbtn a{display:block;width:210px;filter:drop-shadow(0 6px 14px rgba(0,0,0,.3));transition:transform .2s}
.fbtn a:hover{transform:scale(1.04)}
.fbtn img{border-radius:40px;width:100%}
/* responsive */
@media (max-width:1050px){.fbox{grid-template-columns:1fr 1fr}.fbox h2{grid-column:1/-1}.cards{grid-template-columns:repeat(3,1fr)}.ftr-g{grid-template-columns:1fr 1fr}}
@media (max-width:900px){.grid2{grid-template-columns:1fr}.side{position:static}
.burger{display:block}.nav{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(10,15,40,.98);flex-direction:column;align-items:stretch;padding:10px 16px 16px}
.nav-open .nav{display:flex}.nav a{padding:12px}}
@media (max-width:700px){.cards{grid-template-columns:repeat(2,1fr)}.cards.sm{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.g6{grid-template-columns:repeat(2,1fr)}.chk{grid-template-columns:1fr}
.fbox{grid-template-columns:1fr}.ftr-g{grid-template-columns:1fr}.logo-t b{font-size:15px}.logo-t small{font-size:10.5px}
.fbtn{left:0;right:0;bottom:0;flex-direction:row;gap:6px;padding:6px;background:rgba(10,15,40,.9)}.fbtn a{width:50%}.fbtn img{border-radius:30px}
.phero{padding:46px 0 40px}.finder{margin-top:-30px}.sbtn{display:none}}