:root{
  --text:#f0f2f5;
  --muted:#c2c5cc;
  --accent:#d32f2f;
  --accent-2:#ff6a3d;
  --border:rgba(255,255,255,.18);
  --container:1120px;
  --radius:18px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0; font-family:Inter,system-ui,sans-serif; color:var(--text)}

/* background */
.has-bg::before{
  content:"";
  position:fixed; inset:0; z-index:-2;
  background:
    linear-gradient(180deg, rgba(0,0,0,.40), rgba(0,0,0,.65)),
    url('../assets/bg.jpg') center/cover no-repeat;
}
.container{max-width:var(--container); margin:0 auto; padding:0 20px}

.site-header{
  position:sticky; top:0; z-index:10;
  backdrop-filter:saturate(1.2) blur(8px);
  background:rgba(20,22,24,.55);
  border-bottom:1px solid var(--border)
}
.hdr-wrap{display:flex; align-items:center; justify-content:space-between; gap:16px; padding:12px 0}
.brand{display:flex; align-items:center; gap:12px; color:var(--text); text-decoration:none; font-weight:700}
.logo{width:44px; height:44px; border-radius:10px; object-fit:cover; box-shadow:var(--shadow)}
.logo.sm{width:36px; height:36px}
.nav{display:flex; gap:18px}
.nav a{color:var(--text); text-decoration:none; font-weight:600; opacity:.95; padding:10px 12px; border-radius:10px}
.nav a:hover{background:rgba(255,255,255,.08)}
.nav-toggle{display:none; font-size:22px; padding:8px 12px; border-radius:10px; background:transparent; color:var(--text); border:1px solid var(--border)}

/* --- HERO (ORTALANMIŞ + DAHA KISA) --- */
.hero.center{
  min-height: clamp(58vh, 68vh, 72vh); /* eskiden 85vh idi */
  display:flex; align-items:center; justify-content:center;
  text-align:center; padding:40px 20px; position:relative;
}
.hero.center::after{
  /* alttaki bölüme yumuşak geçiş */
  content:""; position:absolute; left:0; right:0; bottom:-1px; height:80px;
  background: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,.18) 55%, rgba(0,0,0,.28) 100%);
  pointer-events:none;
}
.hero.center.small{ min-height: clamp(45vh, 50vh, 56vh); }

.hero-box{max-width:820px; padding:26px; border-radius:18px; border:1px solid var(--border); box-shadow:var(--shadow)}
.glass{background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03)); backdrop-filter: blur(8px)}
.kicker{font-size:13px; letter-spacing:.14em; text-transform:uppercase; color:var(--muted); margin-bottom:8px}
.hero-box h1{font-size:44px; line-height:1.06; margin:0 0 12px}
.hero-box p{color:var(--muted); font-size:18px; margin:8px 0}
.boldline{font-weight:600}
.cta{display:flex; gap:12px; justify-content:center; margin:16px 0 8px}
.btn{display:inline-flex; align-items:center; justify-content:center; padding:12px 16px; border-radius:12px; text-decoration:none; font-weight:700; border:1px solid var(--border)}
.btn.primary{background:linear-gradient(135deg, var(--accent), var(--accent-2)); color:#fff; box-shadow:var(--shadow)}
.btn.ghost{background:transparent; color:var(--text)}

/* Ön Söz paneli üstü küçük logo (odak dağıtmayan) */
.hero-mark{
  width: 88px;
  aspect-ratio: 1 / 1;
  display: block;
  margin: 0 auto 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  filter: drop-shadow(0 4px 16px rgba(0,0,0,.25));
  opacity: .95;
  user-select: none;
}
@media (max-width: 900px){
  .hero-mark{ width: 72px; margin-bottom: 10px; }
}

/* --- ALT BÖLÜMÜ YUKARI ÇEKME --- */
.section-pull-up{ margin-top:-42px; position:relative; z-index:1; }
@media (max-width: 900px){
  .section-pull-up{ margin-top:-24px; }
}

.features{padding:40px 0}
.features h2{font-size:28px; margin:0 0 16px; text-align:center}
.cards{display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:16px}
.card{border:1px solid var(--border); border-radius:18px; padding:18px}

.timeline{position:relative; padding:30px 0 60px}
.timeline::before{content:""; position:absolute; left:calc(50% - 1px); top:0; bottom:0; width:2px; background:rgba(255,255,255,.15)}
.tl-row{display:grid; grid-template-columns:1fr 1fr; gap:20px; align-items:center; margin:22px 0}
.tl-row .dot{width:14px; height:14px; background:#fff; border-radius:999px; justify-self:center; box-shadow:0 0 0 6px rgba(255,255,255,.12)}
.tl-card{border:1px solid var(--border); border-radius:14px; padding:16px}

.contact-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:18px; padding-bottom:40px}
.contact-form label{display:grid; gap:6px; font-weight:600}
.contact-form input, .contact-form textarea{background:rgba(15,16,20,.85); color:var(--text); border:1px solid var(--border); border-radius:12px; padding:12px}
.contact-info a{
  color: #ffffff;          /* İletişim kutusundaki mail linkleri beyaz */
  text-decoration: none;   /* İstersen alt çizgiyi de kaldırır */
}

.contact-info a:hover{
  color: var(--accent);    /* Üzerine gelince kırmızımsı vurgu */
}

.site-footer{border-top:1px solid var(--border); margin-top:40px; background:rgba(20,22,24,.55)}
.foot-wrap{display:flex; justify-content:space-between; align-items:center; gap:16px; padding:18px 0}
.site-footer a{
  color: #ffffff;          /* alt kısımdaki linkler beyaz */
}

.site-footer a:hover{
  color: var(--accent);    /* üzerine gelince kırmızıya yakın vurgu */
}

.foot-left{display:flex; align-items:center; gap:12px}
.foot-right{display:flex; gap:14px; flex-wrap:wrap}
.muted{color:var(--muted)}

@media(max-width:900px){
  .timeline::before{left:22px}
  .tl-row{grid-template-columns:1fr; padding-left:40px}
  .hero-box h1{font-size:32px}
  .contact-grid{grid-template-columns:1fr}
  .nav{display:none; position:absolute; top:64px; right:20px; background:rgba(20,22,24,.9); border:1px solid var(--border); border-radius:14px; padding:10px; box-shadow:var(--shadow)}
  .nav a{display:block}
  .nav.open{display:block}
  .nav-toggle{display:inline-block}
}
/* REFERANSLAR — İŞ ORTAKLARIMIZ GRIDİ (2 SÜTUN) */

.section-title{
  font-size:24px;
  margin:0 0 12px;
  text-align:center;
}

.logos-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr)); /* 2 sütun */
  gap:16px;
  margin:18px 0 32px;
}

.logo-item{
  border:1px solid var(--border);
  border-radius:18px;
  padding:14px 12px;
  text-align:center;
  background:linear-gradient(180deg,
    rgba(255,255,255,.06),
    rgba(255,255,255,.02)
  );
  backdrop-filter:blur(4px);
}

.logo-img-wrap{
  height:64px;
  margin-bottom:8px;
  display:grid;
  place-items:center;
}

.logo-img-wrap img{
  max-width:100%;
  max-height:60px;
  object-fit:contain;
}

.logo-name{
  font-size:14px;
  color:var(--muted);
  font-weight:500;
}

.section-subtitle{
  font-size:20px;
  margin:8px 0 10px;
  text-align:center;
  color: var(--text);
}

/* Proje fotoğraf galerisi */
.ref-photo-grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:16px;
  margin:12px 0 30px;
}

.ref-photo{
  border-radius:18px;
  border:1px solid var(--border);
  overflow:hidden;
  padding:0;
}

.ref-photo img{
  display:block;
  width:100%;
  height:180px;
  object-fit:cover;
}

.ref-photo figcaption{
  padding:10px 12px 12px;
  font-size:13px;
  color:var(--muted);
}

/* Tablet */
@media (max-width:900px){
  .ref-photo-grid{
    grid-template-columns:repeat(2, minmax(0,1fr));
  }
}

/* Mobil */
@media (max-width:600px){
  .ref-photo-grid{
    grid-template-columns:1fr;
  }
  .ref-photo img{
    height:200px;
  }
}


/* Küçük ekranlarda tek sütun */
@media (max-width:640px){
  .logos-grid{
    grid-template-columns:1fr;
  }
}
{*{
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
}