*{box-sizing:border-box}
body{
margin:0;
font-family:Arial,Helvetica,sans-serif;
background:#f5f5f5;
color:#111;
}

/* ================= HEADER ================= */
header{
background:#000;
color:#fff;
display:grid;
grid-template-columns:auto 1fr auto;
align-items:center;
padding:14px 24px;
position:sticky;
top:0;
z-index:9999;
}

.logo{
display:flex;
align-items:center;
gap:12px;
font-size:20px;
font-weight:800;
}
.logo img{height:42px}

nav{display:flex;justify-content:center}

.menu{
list-style:none;
display:flex;
gap:30px;
margin:0;
padding:0;
}
.menu a{
color:#fff;
text-decoration:none;
font-weight:700;
padding:10px 0;
transition: color 0.3s, transform 0.2s;
}
.menu a:hover{
color:#ffffff;
transform:translateY(-3px);
}

/* ================= HAMBURGER ================= */
.hamburger{
display:none;
font-size:30px;
cursor:pointer;
}

/* ================= MOBILE MENU ================= */
@media(max-width:768px){
header{grid-template-columns:auto auto}
nav{grid-column:1/-1}

.menu{
position:fixed;
top:70px;
left:0;right:0;
background:#000;
flex-direction:column;
display:none;
}
.menu li{border-top:1px solid #222}
.menu a{padding:16px;font-size:18px}
.menu.show{display:flex}
.hamburger{display:block}
}

/* ================= BANNER ================= */
.banner,.mobile-banner{
  position: relative;
  width: 100%;
  min-height: 80vh;      /* ekran yüksekliğine göre */
  max-height: 800px;     /* devasa olmasın */
  overflow: hidden;
  background: #000;
  display: block;
}

.mobile-banner{
  display: none;
}

.banner img{
  width: 100%;
  height: 100%;
  object-fit: cover;     /* resmi BOZMADAN sığdırır */
  display: block;
}

.banner::after{
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
}

.banner-content{
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff;
  padding: 20px;
}

.banner-content h1,
.banner-content p{
  color:#ffffff;
}

.banner-content{
  z-index:2;
}



/* ================= ANIMATIONS ================= */
@keyframes fadeInUp {
0% {opacity: 0; transform: translateY(20px);}
100% {opacity: 1; transform: translateY(0);}
}

@keyframes fadeInLeft {
0% {opacity:0; transform:translateX(-20px);}
100% {opacity:1; transform:translateX(0);}
}

@keyframes fadeInRight {
0% {opacity:0; transform:translateX(20px);}
100% {opacity:1; transform:translateX(0);}
}

.banner-content h1,
.banner-content p{
animation: fadeInUp 1s ease forwards;
}

section h2{
opacity:0;
animation: fadeInUp 1s ease forwards;
animation-delay:0.2s;
animation-fill-mode:forwards;
}

.grid .card{
opacity:0;
transform:translateY(20px);
animation: fadeInUp 0.8s ease forwards;
}
.grid .card:nth-child(1){animation-delay:0.2s;}
.grid .card:nth-child(2){animation-delay:0.4s;}
.grid .card:nth-child(3){animation-delay:0.6s;}

.split div{
opacity:0;
transform:translateX(-20px);
animation: fadeInLeft 1s ease forwards;
}
.split img{
opacity:0;
transform:translateX(20px);
animation: fadeInRight 1s ease forwards;
animation-delay:0.4s;
}

/* ================= SECTION ================= */
section{
padding:70px 20px;
max-width:1200px;
margin:auto;
}
h2{
font-size:30px;
text-align:center;
margin-bottom:40px;
}

/* ================= GRID ================= */
.grid{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:24px;
}
@media(max-width:900px){
.grid{grid-template-columns:1fr}
}

/* ================= CARD ================= */
.card{
position:relative;
border-radius:16px;
overflow:hidden;
background:#000;
transition:.3s;
}
.card img{
width:100%;
height:240px;
object-fit:cover;
}
.card .text{
position:absolute;
inset:0;
display:flex;
align-items:center;
justify-content:center;
color:#fff;
font-size:22px;
font-weight:900;
background:rgba(0,0,0,.6);
opacity:0;
transition:.3s;
}
@media(hover:hover){
.card:hover .text{opacity:1}
}
@media(max-width:768px){
.card .text{opacity:1}
}

/* ================= SPLIT ================= */
.split{
display:grid;
grid-template-columns:1fr 1fr;
gap:40px;
align-items:center;
}
@media(max-width:900px){
.split{grid-template-columns:1fr}
}
.split img{
width:100%;
border-radius:16px;
}

/* ================= ABOUT ================= */
.about{
display:grid;
grid-template-columns:1fr 1fr;
gap:50px;
align-items:center;
}
@media(max-width:900px){
.about{grid-template-columns:1fr}
}

.about img{
width:100%;
border-radius:18px;
box-shadow:0 15px 40px rgba(0,0,0,.25);
}

.about h2{
font-size:32px;
margin-bottom:20px;
}

.about p{
font-size:16.5px;
line-height:1.8;
margin-bottom:16px;
color:#333;
}

/* ================= FEATURES ================= */
.features{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:24px;
margin-top:50px;
}
@media(max-width:900px){
.features{grid-template-columns:1fr}
}

.feature{
background:#fff;
padding:30px;
border-radius:16px;
box-shadow:0 10px 30px rgba(0,0,0,.15);
text-align:center;
}
.feature h3{
margin-bottom:10px;
font-size:20px;
}
.feature p{
font-size:15px;
color:#444;
line-height:1.6;
}

/* ================= PAGE HEADER ================= */
.page-header{
position:relative;
height:400px;
text-align:center;
color:#fff;
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
overflow:hidden;
}
.page-header::before{
content:"";
position:absolute;
inset:0;
background:url('/slayt.jpg') center/cover no-repeat;
filter:blur(4px) brightness(0.5);
z-index:1;
}
.page-header h1, .page-header p{
position:relative;
z-index:2;
margin:0;
}
.page-header h1{
font-size:36px;
margin-bottom:10px;
}
.page-header p{
font-size:18px;
max-width:700px;
color:#ddd;
}

/* ================= MAINTENANCE ================= */
.maintenance{
min-height:calc(100vh - 80px);
display:flex;
align-items:center;
justify-content:center;
padding:40px 20px;
}

.box{
background:#fff;
padding:60px 40px;
border-radius:22px;
box-shadow:0 20px 50px rgba(0,0,0,.15);
text-align:center;
max-width:520px;
width:100%;
}

.box img{
max-width:220px;
margin-bottom:30px;
}

.box h1{
font-size:32px;
margin-bottom:16px;
}

.box p{
font-size:17px;
line-height:1.7;
color:#444;
}

/* ================= FOOTER ================= */
.pro-footer{
  background:#1f3035;
  color:#cfcfd6;
  padding:70px 20px 40px 20px;
}

.pro-footer-container{
  max-width:1200px;
  margin:auto;
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:60px;
}

/* SOL */
.footer-logo{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:18px;
}
.footer-logo img{
  height:48px;
}
.footer-logo span{
  font-size:22px;
  font-weight:800;
  color:#fff;
}

.footer-left p{
  font-size:15px;
  line-height:1.8;
  color:#bfbfc8;
}

.socials{
  margin-top:22px;
  display:flex;
  gap:14px;
}
.socials img{
  width:36px;
  height:36px;
  transition:.3s;
}
.socials img:hover{
  transform:scale(1.15);
}

/* ORTA */
.footer-middle h4,
.footer-right h4{
  color:#fff;
  font-size:20px;
  margin-bottom:20px;
}

.contact-item{
  display:flex;
  align-items:flex-start;
  gap:14px;
  margin-bottom:16px;
  font-size:15px;
}
.contact-item img{
  width:18px;
  margin-top:4px;
}
.contact-item a{
  color:#cfcfd6;
  text-decoration:none;
}
.contact-item a:hover{
  color:#0077ff;
}

/* SAĞ */
.footer-right a{
  display:block;
  margin-bottom:12px;
  color:#cfcfd6;
  text-decoration:none;
  font-size:15px;
  transition:.2s;
}
.footer-right a:hover{
  color:#0084ff;
  transform:translateX(6px);
}

.bc-footer-credit{
  margin-top:60px;
  padding-top:25px;
  text-align:center;
  font-size:14px;
  color:#aaa;
}


.bc-footer-credit a{
  color:#ffcc00;
  text-decoration:none;
  font-weight:600;
}

.bc-footer-credit a:hover{
  text-decoration:underline;
}


/* MOBİL */
@media(max-width:900px){
  .pro-footer-container{
    grid-template-columns:1fr;
    text-align:center;
  }

  .contact-item{
    justify-content:center;
  }

  .footer-logo{
    justify-content:center;
  }

  .socials{
    justify-content:center;
  }

  .box{
    padding:40px 25px;
  }

  .box h1{
    font-size:26px;
  }
}


/* ================= FLOAT BUTTONS ================= */
.float{
position:fixed;
right:20px;
bottom:20px;
display:flex;
flex-direction:column;
gap:18px;
z-index:9999;
}
.float img{
width:62px;
height:62px;
}

/* HEADER MENU ALT ÇİZGİ ANİMASYONU */
.menu a{
  position:relative;
}

.menu a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-6px;
  width:0;
  height:3px;
  background:#1f3035; /* footer rengi */
  transition:width .3s ease;
  border-radius:4px;
}

.menu a:hover::after{
  width:100%;
}

/* ================= KIŞ TEMASI (KAR) ================= */
.snowflake{
position:fixed;
top:-10px;
color:#fff;
font-size:14px;
user-select:none;
pointer-events:none;
z-index:99999;
opacity:0.85;
animation:snow-fall linear infinite, snow-shake ease-in-out infinite;
}
@keyframes snow-fall{
to{transform:translateY(110vh);}
}

/* Varsayılan: PC */
.banner-pc{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.banner-mobile{
  width:100%;
  height:100%;
  object-fit:cover;
  display:none;
}

/* Mobil */
@media (max-width:768px){
  .banner-pc{
    display:none;
  }
  .banner-mobile{
    display:block;
  }
}

/* ================= CONTACT PAGE STYLES ================= */
.contact-box{
display:grid;
grid-template-columns:1fr 1fr;
gap:50px;
align-items:flex-start;
}
@media(max-width:900px){
.contact-box{grid-template-columns:1fr}
}

.contact-info{
background:#fff;
padding:40px;
border-radius:18px;
box-shadow:0 15px 40px rgba(0,0,0,.15);
}

.contact-info h2{
margin-bottom:25px;
font-size:28px;
}

.contact-item{
display:flex;
align-items:center;
gap:14px;
margin-bottom:18px;
font-size:16px;
}

.contact-item img{
width:22px;
}

.contact-item a{
color:#111;
text-decoration:none;
font-weight:600;
}

.contact-item span{
font-weight:600;
}

/* MAP */
.map iframe{
width:100%;
height:420px;
border-radius:18px;
box-shadow:0 15px 40px rgba(0,0,0,.2);
}

/* İLETİŞİM KARTI RENK FIX */
.contact-info .contact-item a,
.contact-info .contact-item span{
  color:#000 !important;
  font-weight:600;
}

/* FOOTER CONTACT FIX */
.footer-middle .contact-item a{
  color:#ffffff !important;
  font-weight:600;
}

.footer-middle .contact-item img{
  width:18px;
  height:18px;
}