:root{
    --red:#c93831;
    --red-dark:#aa2d27;
    --ink:#17191c;
    --ink-soft:#2a2d31;
    --muted:#6d737b;
    --line:#e6e7e9;
    --soft:#f5f6f7;
    --white:#fff;
    --container:1180px;
    --radius:14px;
    --shadow:0 14px 34px rgba(0,0,0,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    color:var(--ink);
    background:#fff;
    line-height:1.6;
}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button,input,textarea,select{font:inherit}
.container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}

.site-header{
    position:sticky;
    top:0;
    z-index:1000;
    background:rgba(255,255,255,.95);
    backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(0,0,0,.06);
}
.header-inner{
    min-height:86px;
    display:flex;
    align-items:center;
    gap:28px;
}
.brand{width:210px;flex:0 0 auto}
.brand img{width:100%;height:88px;object-fit:contain;object-position:left center}
.main-nav{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:24px;
}
.main-nav a{
    position:relative;
    font-size:14px;
    font-weight:700;
}
.main-nav a:after{
    content:"";
    position:absolute;
    left:0;
    bottom:-10px;
    width:0;
    height:2px;
    background:var(--red);
    transition:.25s ease;
}
.main-nav a:hover:after,
.main-nav a.active:after{width:100%}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:48px;
    padding:0 22px;
    border-radius:8px;
    font-weight:800;
    transition:.2s ease;
    border:1px solid transparent;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dark)}
.btn-outline{border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline:hover{background:#fff;color:var(--ink)}
.btn-whatsapp{background:#24b96f;color:#fff}
.header-cta{min-height:42px;padding-inline:18px;font-size:14px}
.mobile-menu-toggle{display:none;background:none;border:0;padding:5px}
.mobile-menu-toggle span{display:block;width:26px;height:2px;background:var(--ink);margin:5px 0}

.hero{
    position:relative;
    min-height:650px;
    background:url("../images/hero.jpg") center 48%/cover no-repeat;
    display:grid;
    align-items:center;
}
.hero-overlay{
    position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(9,11,13,.8) 0%,rgba(9,11,13,.56) 42%,rgba(9,11,13,.18) 100%);
}
.hero-content{position:relative;z-index:1}
.hero-copy{max-width:680px;color:#fff}
.eyebrow{
    display:inline-block;
    color:var(--red);
    font-size:13px;
    font-weight:900;
    letter-spacing:.07em;
    text-transform:uppercase;
}
.hero .eyebrow{color:#fff;opacity:.9}
.hero h1{
    font-size:clamp(42px,6vw,72px);
    line-height:1.03;
    letter-spacing:-.04em;
    margin:12px 0 22px;
}
.hero p{font-size:19px;max-width:650px;color:rgba(255,255,255,.9)}
.hero-actions{display:flex;gap:14px;margin-top:30px}

.section{padding:90px 0}
.section-soft{background:var(--soft)}
.section-heading{margin-bottom:34px}
.section-heading h2,.section-copy h2,.why-head h2,.references h2,.contact h2{
    font-size:clamp(32px,4vw,48px);
    line-height:1.08;
    letter-spacing:-.035em;
    margin:8px 0 0;
}
.split-heading{
    display:grid;
    grid-template-columns:1.2fr .8fr;
    gap:40px;
    align-items:end;
}
.split-heading p{margin:0;color:var(--muted);max-width:540px}

.about-grid{
    display:grid;
    grid-template-columns:.9fr 1.4fr;
    gap:60px;
    align-items:center;
}
.section-copy p{color:var(--muted);font-size:17px}
.stats-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:14px;
}
.stat-card{
    padding:28px 20px;
    background:#fff;
    border:1px solid var(--line);
    min-height:180px;
    box-shadow:0 8px 24px rgba(0,0,0,.04);
}
.stat-icon{font-size:27px;color:var(--red);display:block;margin-bottom:20px}
.stat-card strong{display:block;font-size:18px;line-height:1.25;margin-bottom:8px}
.stat-card span:last-child{color:var(--muted);font-size:13px}

.services-grid{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:18px;
}
.service-card{
    background:#fff;
    border:1px solid var(--line);
    overflow:hidden;
    min-height:100%;
    transition:.25s ease;
}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.service-card img{width:100%;height:190px;object-fit:cover}
.service-body{padding:20px}
.service-body h3{margin:0 0 8px;font-size:20px}
.service-body p{margin:0;color:var(--muted);font-size:14px}
.service-card-text{
    min-height:328px;
    display:flex;
    flex-direction:column;
    justify-content:center;
    background:linear-gradient(145deg,#fff,#eceff1);
}
.service-symbol{font-size:70px;color:var(--red);padding:0 20px;line-height:1}

.application-grid{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:14px;
}
.application-grid article{
    border:1px solid var(--line);
    background:#fff;
    overflow:hidden;
}
.application-grid img{width:100%;height:180px;object-fit:cover}
.application-grid span{display:block;padding:14px 16px;font-weight:800;font-size:14px}

.why-us{
    padding:80px 0;
    color:#fff;
    background:
        linear-gradient(135deg,rgba(255,255,255,.03) 25%,transparent 25%) 0 0/120px 120px,
        linear-gradient(315deg,rgba(255,255,255,.02) 25%,transparent 25%) 0 0/120px 120px,
        var(--ink);
}
.why-head{max-width:640px}
.why-head .eyebrow{color:#ef6a63}
.why-grid{
    display:grid;
    grid-template-columns:repeat(6,1fr);
    gap:18px;
    margin-top:50px;
}
.why-item{padding-top:24px;border-top:1px solid rgba(255,255,255,.18)}
.why-item strong{display:block;font-size:17px}
.why-item span{color:rgba(255,255,255,.62);font-size:14px}

.gallery-grid{
    display:grid;
    grid-template-columns:repeat(12,1fr);
    gap:16px;
}
.gallery-item{
    overflow:hidden;
    background:#eee;
    min-height:250px;
}
.gallery-item:nth-child(1),
.gallery-item:nth-child(2),
.gallery-item:nth-child(3){grid-column:span 4}
.gallery-item:nth-child(4),
.gallery-item:nth-child(5){grid-column:span 4} /*6*/
.gallery-item:nth-child(6),
.gallery-item:nth-child(7){grid-column:span 4}/*6*/
.gallery-item img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .4s ease;
}
.gallery-item:hover img{transform:scale(1.035)}

.references{
    padding:52px 0;
    background:#f0f1f2;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
}
.references-inner{
    display:grid;
    grid-template-columns:340px 1fr;
    gap:40px;
    align-items:center;
}
.references h2{font-size:30px}
.reference-list{
    display:flex;
    flex-wrap:wrap;
    gap:10px 22px;
    color:#545960;
}
.reference-list span{position:relative}
.reference-list span:not(:last-child):after{
    content:"";
    position:absolute;
    right:-12px;top:50%;
    width:3px;height:3px;border-radius:50%;
    background:#a4a8ad;
}

.contact{
    background:linear-gradient(110deg,var(--ink) 0 34%,#fff 34% 100%);
}
.contact-grid{
    display:grid;
    grid-template-columns:.9fr .7fr 1.1fr;
    gap:40px;
    min-height:420px;
    align-items:center;
}
.contact-intro{color:#fff;padding:70px 0}
.contact-intro .eyebrow{color:#ef6a63}
.contact-intro p{color:rgba(255,255,255,.72);max-width:420px}
.contact-actions{display:flex;gap:12px;margin-top:28px}
.contact-info{padding:40px 0}
.contact-row{padding:18px 0;border-bottom:1px solid var(--line)}
.contact-row strong{display:block;margin-bottom:5px}
.contact-row span{color:var(--muted)}
.map-card{height:100%}
.map-card iframe{width:100%;height:100%;min-height:420px;border:0}

.site-footer{background:#111315;color:#fff}
.footer-top{
    display:flex;
    align-items:center;
    gap:40px;
    padding:34px 0 24px;
}
.footer-logo{width:200px;filter:brightness(1.12)}
.footer-nav{margin-left:auto;display:flex;gap:22px;flex-wrap:wrap}
.footer-nav a{font-size:13px;color:rgba(255,255,255,.68)}
.footer-bottom{
    display:flex;
    justify-content:space-between;
    gap:30px;
    padding:20px 0 28px;
    border-top:1px solid rgba(255,255,255,.1);
    color:rgba(255,255,255,.5);
    font-size:12px;
}

#footer-kumru {
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.kumru-link {
  position: relative;
  display: inline-block;
  width: 45px; /* Logo boyutuna gore sabit tutuyoruz */
  height: 45px;
}

.kumru-link img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

/* Yazı baslangicta gorunmez ve pozisyonlanmamis */
.kumru-text {
  position: absolute;
  left: 50px; /* Gorselin saginda cikmasi icin */
  top: 30%;
  transform: translateY(-50%) translateX(10px);
  opacity: 0;
  white-space: nowrap;
  color: #eee;
  font-size: 10px;
  line-height: 1.2;
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

/* Hover anında yazi cikiyor */
.kumru-link:hover .kumru-text {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}


.lightbox{
    display:none;
    position:fixed;
    inset:0;
    z-index:2000;
    background:rgba(0,0,0,.92);
    align-items:center;
    justify-content:center;
    padding:30px;
}
.lightbox.open{display:flex}
.lightbox img{max-width:min(1200px,92vw);max-height:88vh;object-fit:contain}
.lightbox-close{
    position:absolute;right:24px;top:16px;
    border:0;background:none;color:#fff;
    font-size:44px;cursor:pointer;
}

@media (max-width:1100px){
    .header-cta{display:none}
    .main-nav{gap:16px}
    .main-nav a{font-size:13px}
    .about-grid{grid-template-columns:1fr}
    .services-grid{grid-template-columns:repeat(3,1fr)}
    .application-grid{grid-template-columns:repeat(3,1fr)}
    .why-grid{grid-template-columns:repeat(3,1fr)}
    .contact{background:linear-gradient(180deg,var(--ink) 0 40%,#fff 40% 100%)}
    .contact-grid{grid-template-columns:1fr 1fr}
    .contact-intro{grid-column:1/-1;padding-bottom:55px}
    .map-card{min-height:360px}
}

@media (max-width:820px){
    .header-inner{min-height:74px}
    .brand{width:178px}
    .brand img{height:50px}
    .mobile-menu-toggle{display:block;margin-left:auto}
    .main-nav{
        display:none;
        position:absolute;
        left:0;right:0;top:74px;
        padding:18px 20px 24px;
        background:#fff;
        border-top:1px solid var(--line);
        box-shadow:0 18px 34px rgba(0,0,0,.08);
        flex-direction:column;
        align-items:flex-start;
        gap:0;
    }
    .main-nav.open{display:flex}
    .main-nav a{width:100%;padding:12px 0;font-size:15px}
    .main-nav a:after{display:none}

    .hero{min-height:560px;background-position:58% center}
    .hero-overlay{background:linear-gradient(90deg,rgba(9,11,13,.82),rgba(9,11,13,.48))}
    .hero h1{font-size:46px}
    .hero p{font-size:17px}

    .section{padding:70px 0}
    .split-heading{grid-template-columns:1fr;gap:14px}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .services-grid{grid-template-columns:repeat(2,1fr)}
    .application-grid{grid-template-columns:repeat(2,1fr)}
    .why-grid{grid-template-columns:repeat(2,1fr)}
    .references-inner{grid-template-columns:1fr}
    .contact-grid{grid-template-columns:1fr}
    .contact-intro{grid-column:auto}
    .contact-info{padding:10px 0 30px}
    .map-card{min-height:320px}
    .gallery-item:nth-child(n){grid-column:span 6}
    .footer-top{align-items:flex-start;flex-direction:column}
    .footer-nav{margin-left:0}
}

@media (max-width:560px){
    .container{width:min(calc(100% - 28px),var(--container))}
    .hero{min-height:610px}
    .hero h1{font-size:39px}
    .hero-actions{flex-direction:column;align-items:stretch;max-width:320px}
    .stats-grid,
    .services-grid,
    .application-grid,
    .why-grid{grid-template-columns:1fr}
    .service-card img,.application-grid img{height:220px}
    .gallery-item:nth-child(n){grid-column:span 12;min-height:290px}
    .contact-actions{flex-direction:column}
    .footer-bottom{flex-direction:column;gap:6px}
}