:root{
  --navy:#1E2A5A; --navy-2:#141D40; --copper:#B8743C; --ink:#1F2328;
  --muted:#5B6270; --line:#E4E6EB; --soft:#F5F6F8; --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;font:400 17px/1.7 Hind,system-ui,sans-serif;color:var(--ink);background:var(--white);-webkit-tap-highlight-color:transparent;touch-action:manipulation}
h1,h2,h3,h4{font-family:Poppins,system-ui,sans-serif;line-height:1.2;margin:0;text-wrap:balance}
a{color:inherit}
img{display:block;max-width:100%;height:auto}
.wrap{width:min(1170px,100% - 32px);margin-inline:auto}
:focus-visible{outline:3px solid var(--copper);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:8px 14px;z-index:99}
.skip:focus{left:8px}

/* üst bar */
.topbar{background:var(--navy-2);color:#C9CEDC;font-size:14px}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding:8px 0;flex-wrap:wrap}
.topbar a{text-decoration:none;color:#fff}

/* header */
header.site{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:84px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font:700 21px Poppins,sans-serif;color:var(--navy);letter-spacing:.5px}
.logo svg{flex:none}
.menu{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.menu>li{position:relative}
.menu a,.menu summary{display:block;padding:10px 14px;font:500 15px Poppins,sans-serif;text-decoration:none;color:var(--ink);cursor:pointer}
.menu a:hover,.menu summary:hover{color:var(--navy)}
.menu details summary{list-style:none}
.menu details summary::-webkit-details-marker{display:none}
.menu details summary::after{content:"▾";margin-left:6px;font-size:12px}
.drop{position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);border-top:3px solid var(--navy);min-width:280px;padding:8px 0;list-style:none;margin:0;box-shadow:0 12px 24px rgba(20,29,64,.12)}
.drop a{padding:8px 18px;font-weight:400;font-size:14.5px}
.drop a:hover{background:var(--soft)}
.btn{display:inline-block;background:var(--navy);color:#fff;text-decoration:none;font:600 14px Poppins,sans-serif;letter-spacing:.6px;text-transform:uppercase;padding:14px 26px;border:2px solid var(--navy);transition:background-color .2s,color .2s}
.btn:hover{background:var(--navy-2);border-color:var(--navy-2)}
.btn.ghost{background:transparent;border-color:#fff}
.btn.ghost:hover{background:#fff;color:var(--navy)}
.menu-toggle{display:none}

/* hero */
.hero{position:relative;min-height:560px;display:grid;place-items:center;text-align:center;color:#fff;
  background:#0E142D;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:rgba(14,20,45,.62)}
.hero>.wrap{position:relative;z-index:2}
.hero h1{font-size:clamp(34px,5vw,56px);font-weight:700}
.hero p{font-size:clamp(16px,1.6vw,20px);max-width:680px;margin:18px auto 30px;color:#E6E9F2}
.hero .actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* bölümler */
section{padding:80px 0;scroll-margin-top:90px}
.head{margin-bottom:40px}
.head h2{font-size:clamp(26px,3vw,34px);font-weight:600;color:var(--navy)}
.head h2::after{content:"";display:block;width:56px;height:3px;background:var(--copper);margin-top:14px}
.head.center{text-align:center}
.head.center h2::after{margin-inline:auto}
.head p{color:var(--muted);margin:14px 0 0;max-width:640px}
.head.center p{margin-inline:auto}

.about{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about img{width:100%;aspect-ratio:4/3;object-fit:cover}
.about h2{font-size:clamp(26px,3vw,34px);color:var(--navy);font-weight:600;margin-bottom:18px}
.about p{color:var(--muted);margin:0 0 16px}
.checks{list-style:none;padding:0;margin:0 0 28px;display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}
.checks li{padding-left:26px;position:relative;font-weight:500}
.checks li::before{content:"✓";position:absolute;left:0;color:var(--copper);font-weight:700}

.services{background:var(--soft)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.card{background:#fff;text-decoration:none;border:1px solid var(--line);transition:border-color .2s,box-shadow .2s}
.card img{width:100%;aspect-ratio:1.85;object-fit:cover}
.card h3{font-size:17px;font-weight:500;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.card h3 span{color:var(--copper);font-size:20px}
.card:hover{border-color:var(--navy);box-shadow:0 10px 24px rgba(20,29,64,.10)}
.card:hover h3{color:var(--navy)}

.why{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line)}
.why div{padding:36px 30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.why div:nth-child(3n){border-right:0}
.why div:nth-last-child(-n+3){border-bottom:0}
.why svg{color:var(--navy);margin-bottom:16px}
.why h3{font-size:18px;font-weight:600;margin-bottom:8px}
.why p{margin:0;color:var(--muted);font-size:15.5px}

.cta{background:var(--navy);color:#fff;padding:56px 0}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta h2{font-size:clamp(22px,2.6vw,30px);font-weight:600}
.cta p{margin:6px 0 0;color:#C9CEDC}

.sectors{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.sectors span{border:1px solid var(--line);padding:10px 18px;font:500 15px Poppins,sans-serif;color:var(--navy)}

footer{background:#161A22;color:#AEB4C2;padding:64px 0 0;font-size:15px}
.fgrid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px}
footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin-bottom:9px}
footer a{text-decoration:none}
footer a:hover{color:#fff}
.flogo{color:#fff}
.copy{border-top:1px solid #2A303C;margin-top:48px;padding:20px 0;font-size:14px}

.float{position:fixed;left:16px;bottom:calc(16px + env(safe-area-inset-bottom));display:grid;gap:12px;z-index:30}
.float a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 2px 6px rgba(0,0,0,.35)}
.float .tel{background:var(--navy)}
.float .wa{background:#25A244}

@media (max-width:980px){
  .menu-toggle{display:block}
  .menu-toggle summary{list-style:none;cursor:pointer;padding:10px;border:1px solid var(--line);font:600 14px Poppins,sans-serif}
  .menu-toggle summary::-webkit-details-marker{display:none}
  .menu-toggle[open] .menu{display:flex}
  .nav .menu{display:none;position:absolute;left:0;right:0;top:84px;background:#fff;flex-direction:column;padding:8px 16px 16px;border-bottom:1px solid var(--line);max-height:75vh;overflow:auto}
  .desktop-menu{display:none}
  .drop{position:static;box-shadow:none;border:0;border-left:3px solid var(--navy);min-width:0}
  .about{grid-template-columns:1fr;gap:32px}
  .grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .why{grid-template-columns:1fr 1fr}
  .why div{border-right:1px solid var(--line)!important;border-bottom:1px solid var(--line)!important}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  section{padding:56px 0}
  .grid,.why,.fgrid,.checks{grid-template-columns:1fr}
  .topbar .mail,.head-cta{display:none}
  .logo{font-size:17px;white-space:nowrap}
  .logo svg{width:32px;height:32px}
  .menu-toggle summary{white-space:nowrap}
  .hero{min-height:480px}
}

/* giriş fotoğrafları: yavaş çapraz geçiş, yazı sabit */
.slides{position:absolute;inset:0;overflow:hidden;background:#0E142D center/cover}
.slides i{position:absolute;inset:0;background:center/cover;opacity:0;animation:slide 18s infinite}
.slides i:nth-child(2){animation-delay:6s}
.slides i:nth-child(3){animation-delay:12s}
@keyframes slide{0%{opacity:0;transform:scale(1.08)}6%{opacity:1}33%{opacity:1}40%{opacity:0;transform:scale(1)}100%{opacity:0;transform:scale(1)}}
@media (prefers-reduced-motion:reduce){.slides i{animation:none}}

/* hizmet detay sayfaları */
.page-head{background:linear-gradient(rgba(14,20,45,.78),rgba(14,20,45,.78)),var(--head-img) center/cover;color:#fff;padding:64px 0 56px}
.crumbs{font-size:14.5px;color:#C9CEDC;margin-bottom:12px}
.crumbs a{text-decoration:none;color:#fff}
.crumbs a:hover{text-decoration:underline}
.page-head h1{font-size:clamp(30px,4vw,46px);font-weight:700}
.detail{display:grid;grid-template-columns:1fr 340px;gap:48px;align-items:start}
.detail article img{width:100%;aspect-ratio:16/9;object-fit:cover;margin-bottom:28px}
.detail article h2{font-size:24px;font-weight:600;color:var(--navy);margin:36px 0 14px}
.detail article p{margin:0 0 16px;color:#3A404B}
.detail .lead{font-size:19px;color:var(--ink)}
.steps{list-style:none;padding:0;margin:0;counter-reset:s;display:grid;gap:12px}
.steps li{counter-increment:s;display:grid;grid-template-columns:40px 1fr;gap:14px;align-items:start;padding:14px 16px;border:1px solid var(--line)}
.steps li::before{content:counter(s);width:40px;height:40px;display:grid;place-items:center;background:var(--navy);color:#fff;font:600 16px Poppins,sans-serif}
.steps b{display:block;font-family:Poppins,sans-serif;font-weight:600}
.regions{margin-top:40px;padding:28px;background:var(--soft);border-left:4px solid var(--copper)}
.regions h2{margin-top:0!important}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chips span{background:#fff;border:1px solid var(--line);padding:6px 12px;font-size:14.5px}
.chips span.tr{background:var(--navy);border-color:var(--navy);color:#fff}
aside{position:sticky;top:110px;display:grid;gap:24px}
.side-list{border:1px solid var(--line)}
.side-list h3{background:var(--navy);color:#fff;font-size:17px;font-weight:600;padding:16px 20px}
.side-list ul{list-style:none;margin:0;padding:6px 0}
.side-list a{display:flex;justify-content:space-between;padding:10px 20px;text-decoration:none;font-size:15.5px}
.side-list a:hover{background:var(--soft);color:var(--navy)}
.side-list a[aria-current]{color:var(--copper);font-weight:600}
.side-cta{background:var(--navy-2);color:#fff;padding:26px}
.side-cta h3{font-size:20px;font-weight:600;margin-bottom:8px}
.side-cta p{color:#C9CEDC;margin:0 0 18px;font-size:15.5px}
.side-cta .btn{display:block;text-align:center;margin-top:10px}
.side-cta .wa-btn{background:#25A244;border-color:#25A244}
.side-cta .wa-btn:hover{background:#1E8A39;border-color:#1E8A39}
.tr-band{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tr-band .wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:center}
.tr-band h2{font-size:clamp(26px,3vw,34px);font-weight:600;color:var(--navy);margin-bottom:14px}
.tr-band p{color:var(--muted);margin:0}
@media (max-width:980px){
  .detail{grid-template-columns:1fr}
  aside{position:static}
  .tr-band .wrap{grid-template-columns:1fr;gap:24px}
}

/* yaptığımız işler (gerçek fotoğraflar) */
.works{background:var(--soft)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:0}
.gallery figure{margin:0;position:relative;overflow:hidden;background:#000}
.gallery img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .5s}
.gallery figure:hover img{transform:scale(1.03)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:48px 20px 18px;color:#fff;font:500 16px Poppins,sans-serif;background:linear-gradient(0deg,rgba(10,14,30,.85),transparent)}
@media (max-width:980px){.gallery{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.gallery{grid-template-columns:1fr}.gallery img{aspect-ratio:4/3}}

/* WhatsApp: bildirim rozeti + yayılan halka */
.float .wa{position:relative;isolation:isolate}
.float .wa::before{content:"";position:absolute;inset:0;border-radius:50%;background:#25A244;z-index:-1;animation:wa-pulse 2s ease-out infinite}
.float .wa::after{content:"1";position:absolute;top:-5px;right:-5px;min-width:22px;height:22px;padding:0 5px;border-radius:11px;background:#E53935;color:#fff;font:700 12px/22px Poppins,sans-serif;text-align:center;box-shadow:0 0 0 2px #fff;animation:wa-pop 4s ease-in-out infinite}
@keyframes wa-pulse{0%{transform:scale(1);opacity:.55}100%{transform:scale(1.8);opacity:0}}
@keyframes wa-pop{0%,86%,100%{transform:scale(1)}90%{transform:scale(1.25)}94%{transform:scale(.95)}}
@media (prefers-reduced-motion:reduce){.float .wa::before,.float .wa::after{animation:none}}
.foto-kredi{margin:6px 0 0;font-size:12px;color:#6b7280}.foto-kredi a{color:inherit}