body,
div,
span,
applet,
object,
iframe,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
del,
dfn,
em,
font,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
sub,
sup,
tt,
var,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend {
  font-family: inherit;
  font-weight: inherit;
  font-style: inherit;
  font-size: 100%;
  outline: 0;
  padding: 0;
  margin: 0;
  border: 0;
  /* font-family: "Arsenal", sans-serif; */
}

:focus {
  outline: 0
}

* {
  list-style: none;
  text-decoration: none;
}
html {
  scroll-behavior: smooth;
}
body {
  /* background: #005285; */
}

  /* HEADER – şeffaf */
  header{
    position:absolute;
    left:0;
    right:0;
    /* top:0; */
    /* height: 100px; */
    z-index:50;
    display:flex;
    align-items:center;
    justify-content:center;
    color:#fff;
    /* background:transparent; */
    /* width: 900px; */
    margin: 0 auto;
    top: 30px;
  }
  header a {
    color: #fff;
  }
  header .left {
    padding-left: 60px;
  }

  header .right {
    padding-right: 60px;
  }
  /* 3 kolon  */
  .nav{
    width: min(930px,79vw);
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
  }

.arc {
  width: 200px;
  height: 100px;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  margin: 0 auto;
  z-index: -1;
}

.arc path {
  stroke-dasharray: 283; /* yarım dairenin uzunluğu */
  stroke-dashoffset: 283; /* başlangıçta gizli */
  animation: draw 6s ease forwards;
}

@keyframes draw {
  to {
    stroke-dashoffset: 0; /* tamamı çizilsin */
  }
}
/* Sadece Kurumsal'ın üstüne gelince aç */
.dropdown:hover .dropdown-menu{
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
  pointer-events: auto;
  transition: opacity .15s ease, transform .15s ease;
}

/* İsteğe bağlı: üst linkler arası boşluk ve hizalama */
.nav{ display:flex; justify-content:space-between; align-items:center; }
.group{ display:flex; align-items:center; gap:20px; }
.link{text-decoration:none;color: #fff;font-weight:500;padding:8px 2px;}
  .havaimg {
  width: 100%;
  position: absolute;
  top: 0;
  /* position: relative; */
  }
.abosphorusimg {
  width: 100%;
  position: absolute;
  bottom: -70px;
}
.bosphorusimg {
  width: 100%;
  position: absolute;
  top: 90px;
}
  /* Sol/Sağ grup ve alt çizgi */
  .group{
    display:flex;
    align-items:center;
    gap: 30px;
    position:relative;
    padding:0 18px 16px;
    padding-right: -10px;
    /* width: 390px; */
    /* text-align: right; */
  }
  .group::after{
    content:""; position:absolute; left:0; right:0; bottom:6px; height:1px;
    background:rgba(255,255,255,.85);
  }

  /* Linkler */
  .link{
    font-weight: 600;
    letter-spacing:.20em;
    font-size:15px;
    opacity:.95;
    white-space:nowrap;
    transition:opacity .2s ease, transform .2s ease;
    font-family: "Arsenal", sans-serif;
    font-weight: 600;
  }
  .link:hover{opacity:1; transform:translateY(-1px)}

  /* Orta logo (placeholder) */
  .brand{display:flex;align-items:center;justify-content:center;/* padding:0 8px; *//* background: #000; */padding-left: 0px;padding-right: 0px;margin: 0px;}
  .brand svg{width:110px; height:auto; display:block}
.brand img {
  width: 60%;
}
  /* Arama ikonu en saÄŸa */
  .spacer{flex:1}
  .search{
    width:22px; height:22px; flex:0 0 22px; opacity:.9; cursor:pointer;
    transition:opacity .2s ease, transform .2s ease;
  }
  .search:hover{opacity:1; transform:scale(1.04)}

  /* Responsive */
  @media (max-width:900px){
    .group{gap:28px}
    .link{font-size:14px; letter-spacing:.16em}
    .brand svg{width:92px}
  }
  @media (max-width:700px){
    .group{gap:18px}
    /* gerekirse her yanda tek link bırak
    .left .link:nth-child(n+2), .right .link:nth-child(n+2){display:none} */
  }

  /* Örnek içerik boşluğu (menünün altında içerik gizlenmesin) */
  main{padding-top:84px; min-height:120vh}

  .hero{
    position:relative;
    height: 100vh;               /* yüksek ekranlarda 78vh iyi */
    display:grid;
    place-items:center;
    color:#ffffff;
    text-align:center;
    overflow: hidden;
  }

  /* Metin kutusu */
  .hero-inner{
    padding:24px 20px;
    animation:fadeUp .9s ease both;
    position: relative;
    z-index: 999;
    margin-top: -30px;
  }

  /* Üst küçük başlık */
  .hero-kicker{
    font-size:28px;
    line-height:1.2;
    letter-spacing:.06em;
    font-weight:500;
    text-shadow: 0 2px 14px rgba(0,0,0,.45);
    margin-bottom:10px;
    font-family: "Arsenal", sans-serif;
    font-weight: 500;
  }

  /* Büyük başlık (harf aralıklı) */
  .hero-title{
    margin:0;
    font-size:56px;
    line-height:1.1;
    font-family: "Arsenal", sans-serif;
    font-weight: 600;
    letter-spacing: 10px;          /* geniÅŸ BOSPHORUS efekti */
    /* text-transform:uppercase; */
    text-shadow:
      0 2px 18px rgba(0,0,0,.45),
      0 0 1px rgba(255,255,255,.35);
    z-index: 999;
  }

  /* Responsive dokunuÅŸlar */
  @media (max-width:1024px){
    .hero{ min-height:68vh; }
    .hero-kicker{ font-size:24px }
    .hero-title{ font-size:48px; letter-spacing:.32em }
  }
  @media (max-width:720px){
    .hero{ min-height:60vh; }
    .hero-kicker{ font-size:20px }
    .hero-title{font-size:36px;letter-spacing: 3px;}
  }

  @keyframes fadeUp{
    from{opacity:0; transform:translateY(30px)}
    to{opacity:1; transform:translateY(0)}
  }

  .menumobil {
    position: fixed;
    top: 0;
    right: 0;
    width: 100px;
    height: 60px;
    /* background: #fff; */
    text-align: center;
    padding-top: 30px;
    cursor: pointer;
    z-index: 101010101010;
    padding-bottom: 10px;
    /* border: 1px solid #008ab2; */
    display: none;
    font-family: 'Open Sans', sans-serif;
    font-weight: 500;
  }
  
  .menutext {
    color: #0C8F97;
  }
  
  .line {
    background: #fff;
    width: 50%;
    height: 5px;
    margin: 0 auto;
    margin-top: 10px;
    position: absolute;
    top: -10px;
    border-radius: 60px;
  }
  
  .menudiv {
    background: #001B34;
    position: fixed;
    top: 0;
    right: 0;
    width: 33.6%;
    height: 100vh;
    z-index: 999999999;
    transition: all 0.5s;
    opacity: 0;
    display: none;
    overflow: hidden;
    /* border-left: 7px solid #4db4e83b; */
    box-shadow: 1px 1px 100px #dedede;
    /* background-image: linear-gradient(to right, #6ca098, #49756d); */
  }
  
  .menudivv {
    position: absolute;
    top: 10px;
    right: -90px;
    width: 300px;
    /* z-index: -1; */
    display: none;
    /* margin-left: 100px; */
    margin-right: -100px;
    opacity: 0;
    transition: all 3s;
  }
  
  .menucenter {
    width: 85%;
    right: 0;
    margin: 0 auto;
    position: absolute;
    top: 30px;
    text-align: right;
  }
  
  .menucontent {
    text-align: left;
    margin-top: 100px;
  }
  
  
  .menucontent div ul li {
    margin-top: 19px;
    color: #fff;
    font-size: 38px;
    cursor: pointer;
    position: relative;
    left: -50%;
    opacity: 0;
    transition: all 1s;
    cursor: pointer;
    position: relative;
    font-weight: bold;
    font-size: 21px;
    font-family: 'Open Sans', sans-serif;
    font-weight: 500;
    font-family: 'Poppins', sans-serif;
    font-family: "Kanit", sans-serif;
    letter-spacing: 3px;
  }
  
  .about{
    position:relative;
    background: #141E46;            /* üst koyu zemin */
    color:#dbe6ff;
    overflow:hidden;
    padding: 72px 0 0px;
  }
  .aboutinner{
    width: min(960px, 92vw);
    margin:0 auto;
    display:grid;
    grid-template-columns: 420px 1fr; /* sol görsel | sağ metin */
    gap:48px;
    align-items:center;
  }

  /* Sol dairesel görsel kompoziti */
  .aboutvisual{
    position:relative;
    width:320px; height:320px;
    margin:0 auto;
  }
  .moon{
    /* position:absolute; */
    /* inset:0; */
    /* border-radius:50%; */
    /* background:
      radial-gradient(50% 60% at 50% 40%, rgba(120,170,255,.35), rgba(120,170,255,0) 60%),
      url('images/moon-texture.jpg') center/cover no-repeat; */ /* ay dokusu */
    /* filter:brightness(1) contrast(1); */
    /* box-shadow:
      0 14px 30px rgba(0,0,0,.35),
      inset 0 0 0 2px rgba(255,255,255,.06); */
  }
  .people{
    position:absolute;
    inset:0;
    width:100%;
    /* height:100%; */
    object-fit:cover;
    /* border-radius:50%; */
    mix-blend-mode:screen;           /* ay ile hoÅŸ bir birleÅŸim */
    opacity:.95;
  }
  .logo{
    position:absolute;
    left: -30px;
    top: 230px;
    width: 90%;
    height:auto;
    filter:drop-shadow(0 6px 14px rgba(0,0,0,.45));
    pointer-events:none;
  }

  /* SaÄŸ metin */
  .aboutext{color:#cfe0ff}
  .abouttitle{
    margin:0 0 12px;
    font-weight:700;
    line-height:1.2;
    font-size:44px;
    color:#ffffff;
    letter-spacing:.01em;
    /* position: relative; */
    /* left: -60px; */
    font-family: "Arsenal", sans-serif;
    font-weight: 500;
  }
  .abouttitle-accent{
    display:inline-block;
    letter-spacing:.22em;
    text-transform:uppercase;
    font-weight:800;
    font-size: 30px;
    background: #0566FF;
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
    position: relative;
    left: -60px;
    font-family: "Arsenal", sans-serif;
    font-weight: 600;
  }
  .aboutp{
    margin:0 0 22px;
    line-height:1.9;
    color:#b9c8ef;
    max-width: 630px;
    font-family: "Arsenal", sans-serif;
    font-weight: 500;
  }
  .btn{
    display:inline-block;
    background: #0566FF;
    color:#fff;
    padding:12px 26px;
    /* border-radius:8px; */
    font-weight:700;
    letter-spacing:.08em;
    /* box-shadow:0 6px 18px rgba(46,108,246,.35); */
    transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
    text-transform:uppercase;
    font-family: "Arsenal", sans-serif;
    font-weight: 600;
    letter-spacing: 3px;
  }
  .tabdiv {
    margin-top: 120px;
    margin-bottom: 120px;
    width: 840px;
    margin: 0 auto;
    margin-top: 120px;
    margin-bottom: 190px;
  }
  .tabdiv p b {
    font-size: 19px;
    letter-spacing: 3px;
  }
  .tabdivv {
    margin-top: 0px;
  }
  .tabs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 61.9px;
    border-bottom: 1px solid #1b2540; /* lacivert sabit çizgi */
    padding-bottom: 12px;
    /* width: 990px; */
    /* margin: 0 auto; */
  }
  
  /* linklerin temel hali */
  .tab {
    position: relative;
    text-decoration: none;
    color: #1b2540;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.05em;
    padding-bottom: 10px;
    margin-bottom: -13px;
    font-family: "Arsenal", sans-serif;
    font-weight: 600;
    cursor: pointer;
  }
  .tabdiv p {
    margin-top: 30px;
    text-align: center;
    width: 100%;
    margin: 0 auto;
    margin-top: 30px;
    margin-bottom: -10px;
    line-height: 30px;
    /* font-family: "Arsenal", sans-serif; */
    font-family: "Arsenal", sans-serif;
    font-weight: 500;
  }
  /* hover'da da göstermek istersen: */
  .btn:hover{transform:translateY(-2px); box-shadow:0 10px 22px rgba(46,108,246,.45)}

  /* Alttaki köprü bandı (tam genişlik) */
  .kopruimg {
    width: 100%;
    margin-top: 90px;
  }
  /* Responsive */
  @media (max-width:1024px){
    .aboutinner{gap:32px; grid-template-columns:360px 1fr}
    .abouttitle{font-size:38px}
    .abouttitle-accent{font-size:30px; letter-spacing:.20em}
  }
  @media (max-width:800px){
    .aboutinner{grid-template-columns:1fr; text-align:center}
    .aboutvisual{order:-1}
    .aboutext{max-width:640px; margin:0 auto}
  }
  @media (max-width:560px){
    .about{padding:56px 0 48px}
    .aboutvisual{width:260px; height:260px}
    .abouttitle{font-size:30px}
    .abouttitle-accent{font-size:24px; letter-spacing:.18em}
    .about__bridge{height:220px}
  }
  
.animate-hava {
  transform: scale(1.9);
  transition: all 1.9s;
}
.projects {
  padding: 50px 5vw;
  background: #f9fafc;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 90px;
}

.project-card {
  background: #fff;
  /* border-radius: 14px; */
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.project-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.project-card h3 {
  margin: 18px 0 8px;
  color: #1b2540;
  font-size: 20px;
  font-weight: 700;
  font-family: "Arsenal", sans-serif;
  font-weight: 600;
}

.project-card p {
  color: #000;
  padding: 0 0px 20px;
  font-size: 15px;
  line-height: 1.6;
  font-family: "Arsenal", sans-serif;
  font-weight: 500;
  width: 90%;
}

/* Responsive */
@media (max-width: 1024px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 700px) {
  .project-grid {
    grid-template-columns: 1fr;
  }
}
.animate-bosphorusimg {
  margin-top: 190px;
  transition: all 1.9s;
}

.animate-abosphorusimg {
  margin-bottom: -160px;
  transition: all 1.9s;
}
.animate-scale{ opacity:0; transform: scale(1.2); position:relative; }
.animate-right{ opacity:0; transform:translateX(90px); position:relative; }
.animate-rightt{ opacity:0; transform:translateX(-90px); position:relative; }

.projeler{
  position:relative;
  padding: 190px 0px 190px;
  color:#0f1f3f;
  overflow:hidden;
  background-image: 
  url("../images/projebg.jpg");
background-position: center;
background-repeat: no-repeat;
background-size: cover;
  /* width: 990px; */
  /* margin: 0 auto; */
}
.projeler-container{ width:min(1100px,92vw); margin:0 auto; }
.projeler-title{
  margin:0 0 36px;
  text-align:center;
  font-size:36px;
  letter-spacing: 3px;
  font-weight:800;
  font-family: "Arsenal", sans-serif;
  font-weight: 600;
}

.projeler-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:46px 64px; align-items:start;
}

.card{position:relative;width: 120%;}
.media{ margin:0; overflow:hidden; border-radius:4px; box-shadow:0 12px 28px rgba(0,0,0,.22); }
.media img{
  width: 100%;
  display:block;
  transform:scale(1.001);
  transition:transform .6s ease, filter .6s ease;
  filter:saturate(1.05);
  }
.media::after{ content:""; position:absolute; inset:0; background:rgba(40,90,200,.10);
  mix-blend-mode:soft-light; pointer-events:none; }
.card:hover .media img{ transform:scale(1.03) }

.text{color: #000;position: relative;width: 390px;top: 30px;}
.text.center{text-align: right;margin-top:18px;}

.heading{
  margin:0 0 10px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:#2a58c7;
  font-size: 20px;
  font-family: "Arsenal", sans-serif;
  font-weight: 600;
}
.rule{ display:inline-block; width:220px; height:2px; background:rgba(23,45,95,.35); }
.meta{margin-top:12px;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:#303b55;font-weight:700;/* font-family: "Arsenal", sans-serif; */font-family: "Arsenal", sans-serif;font-weight: 600;}

.left .media{width:100%;}
.projeler-grid .right{justify-self:end;/* text-align: right; */margin-top: 120px;}
.projeler-grid .right .media{/* width:min(720px,46vw); */}
.projeler-grid .right .text {
  position: relative;
  left: 190px;
  top: -30px;
}
.media.bottom{margin-top:12px;width: 100%;}

@media (max-width:1024px){
  .projeler-grid{ gap:32px }
  .heading{ font-size:22px; letter-spacing:.16em }
}
@media (max-width:820px){
  .projeler{ padding:56px 0 80px }
  .projeler-grid{ grid-template-columns:1fr; gap:40px }
  .right{ justify-self:stretch }
  .right .media{ width:100% }
  .text{ text-align:center }
  .rule{ width:200px }
}
@media (max-width:560px){
  .projeler-title{ font-size:30px; letter-spacing:.28em }
  .heading{ font-size:20px }
  .rule{ width:160px }
}

  /* ===== GRUP ŞİRKETLERİ BANDI ===== */
  .grup-bandi{
    background:#2e6cf6;
    color:#fff;
    text-align:center;
    padding:26px 0 18px;
    padding-bottom: 160px;
    margin-top: 70px;
  }
  .grup-baslik{
    margin: 0px 0 10px;
    font-weight:800;
    letter-spacing:.35em;
    text-transform:uppercase;
    font-size: 30px;
    /* position: absolute; */
    margin-top: -79px;
    color: #0566FF;
    position: relative;
    font-family: "Arsenal", sans-serif;
    font-weight: 600;
  }
  .grup-logolar{
    display:flex; justify-content:center; align-items:center; gap:28px; flex-wrap:wrap;
  }
  .grup-logo{
    border:1px solid rgba(255,255,255,.65); border-radius:999px; padding:10px 18px;
    letter-spacing:.25em; text-transform:uppercase; font-size:13px; background:rgba(255,255,255,.06);
  }

  /* ===== İLETİŞİM ===== */
  .iletisim{
    background:#0e1730;
    padding:28px 0 76px;
    /* margin-top: -10px; */
  }
  .kapsayici{ width:min(1100px,92vw); margin:0 auto; }

  .iletisim-baslik{
    text-align:center;
    margin:0 0 16px;
    color:#ffffff;
    font-weight:800;
    letter-spacing:.35em;
    text-transform:uppercase;
    font-size:22px;
    margin-top: -160px;
    font-family: "Arsenal", sans-serif;
    font-weight: 600;
  }

  /* Harita */
  .harita{
    height:240px; border:0; width:100%; display:block; border-radius:4px;
    background:#0a1229; /* EÄŸer iframe yerine resim kullanacaksan */
  }
  .harita-wrap{margin:0 auto 22px;overflow: hidden;}

  /* Grid: adres + form */
  .iletisim-grid{
    display:grid; grid-template-columns: 1fr 1.2fr; gap:24px;
    align-items:start; background:#0c1431; padding:28px; border-radius:6px;
  }
  .adres{
    line-height:1.9;
    color:#cfe0ff;
    font-family: "Arsenal", sans-serif;
    font-weight: 500;
  }
  .adres {
    margin-top: 10px;
  }
  .adres .etiket{color:#91a7d7; font-weight:700; margin-right:10px}
  .adres a{color:#9ec2ff}

  /* Form */
  .form{
    display:grid; grid-template-columns: 1fr 1fr; gap:14px;
  }
  .girdi, .textdiv{
    width: 90%;
    padding:12px 14px;
    /* border-radius:6px; */
    border:1px solid #24345b;
    background: #DEDEDE;
    color:#0b1431;
    outline:none;
  }
  .textdiv{ grid-column:2/3; grid-row:1/4; min-height:162px; resize:vertical; }
  .girdi:focus, .textdiv:focus{ border-color:#5c7cfa; box-shadow:0 0 0 3px rgba(92,124,250,.25) }

  .kvkk{
    grid-column:1/3;
    display:flex;
    align-items:center;
    gap:10px;
    color:#b9c8ef;
    font-size:14px;
    font-family: "Arsenal", sans-serif;
    font-weight: 500;
  }
  .card-body {
    width: 90%;
    margin: 0 auto;
    margin-bottom: 30px;
  }
  .kvkk input{width:16px; height:16px}

  .gonder-wrap{
    display:flex; justify-content:flex-end; grid-column:2/3;
  }
  .buton{
    background:#2e6cf6;
    color:#fff;
    border:0;
    padding:12px 28px;
    /* border-radius:6px; */
    cursor:pointer;
    font-weight:800;
    letter-spacing:.2em;
    text-transform:uppercase;
    box-shadow:0 8px 18px rgba(46,108,246,.35);
    font-family: "Arsenal", sans-serif;
    font-weight: 600;
  }
  .buton:hover{filter:brightness(1.05)}

  /* ===== FOOTER ===== */
  .altlik{
    background: #fff;
    color:#b7c4e6;
    text-align:center;
    font-size:13px;
    padding:16px 10px;
    font-family: "Arsenal", sans-serif;
    font-weight: 300;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
    gap: 630px;
  }
.footerlogoimg {/* position: absolute; */}
.haklarisaklidirdiv {
  /* position: absolute; */
  top: 39px;
  /* float: right; */
  /* width: 30%; */
}
  /* Responsive */
  @media (max-width:980px){
    .iletisim-grid{ grid-template-columns:1fr; }
    .textdiv{ grid-column:1/2; grid-row:auto; min-height:140px }
    .gonder-wrap{ grid-column:1/2; justify-content:flex-start }
  }
  @media (max-width:560px){
    .form{ grid-template-columns:1fr; }
    .textdiv{ grid-column:auto; }
    .kvkk{ grid-column:auto }
    .gonder-wrap{ grid-column:auto; }
  }