/* ===== Tema ===== */
:root{
  --ink:#0f172a; --muted:#475569; --bg:#ffffff;
  --line:#e7e7e7;
  --blue:#2563EB; --blue2:#60A5FA; --navy:#1E3A8A;
  --light:#F7F9FC;
  --header-h:72px; --radius:16px;
  --shadow:0 18px 50px rgba(2,6,23,.12);
}
*{box-sizing:border-box} html,body{margin:0}
body{font-family:Inter,system-ui,Segoe UI,Arial;color:var(--ink);background:var(--bg);line-height:1.6}
img{max-width:100%;height:auto} a{text-decoration:none;color:inherit}

/* tipografi */
h1,h2,h3{font-family:Manrope,Inter,Arial}
h1{font-weight:800;font-size:clamp(28px,4.8vw,52px);line-height:1.1;margin:0 0 12px}
h2{font-weight:800;font-size:clamp(22px,3.2vw,34px);margin:0 0 10px}
h3{font-weight:700;font-size:clamp(18px,2.2vw,22px);margin:8px 0}
p{margin:0 0 12px;color:#334155}
.accent{background:linear-gradient(90deg,var(--blue),var(--blue2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* yardımcılar */
.container{max-width:1140px;margin:0 auto;padding:0 20px}
.section{padding:15px 0}
.section.alt{background:var(--light)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
@media(max-width:960px){.grid-3,.grid-2{grid-template-columns:1fr}}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:14px;padding:12px 18px;font-weight:800;gap:10px}
.btn.primary{background:linear-gradient(90deg,var(--blue),var(--blue2));color:#fff}
.btn.ghost{border:1px solid var(--line);background:#fff;color:var(--ink)}
.btn.small{padding:10px 14px;font-size:14px}
.btn.big{padding:16px 22px;font-size:16px}
.btn.block{display:flex;width:100%}

/* özel açık mavi ghost */
.btn.ghost.alt{border:none;background:var(--blue2);color:#fff}
.btn.ghost.alt:hover{background:var(--blue)}

/* ===== Header (şeffaf → scroll sonrası beyaz) ===== */
header.site{
  position:sticky; top:0; z-index:100;
  background:transparent; /* başlangıçta şeffaf */
  transition:background .25s ease, box-shadow .25s;
}
header.site.scrolled{background:#fff; box-shadow:0 10px 30px rgba(2,6,23,.06)}

.navbar{height:var(--header-h);display:flex;align-items:center;gap:16px}
.brand img{display:block;height:36px}

/* Masaüstü menü */
.nav{margin-left:auto;display:flex;align-items:center;gap:24px}
.nav a{font-weight:600;color:#fff}
header.site.scrolled .nav a{color:var(--ink)}
.nav a:hover,.nav a.active{color:var(--blue)}
.nav .btn.small{margin-left:4px}

/* Mobil hamburger */
.nav-toggle{display:none}

/* HAMBURGER: en üstte daima görünsün */
.hamburger{
  margin-left:auto;
  width:44px; height:44px;
  border-radius:12px;
  display:none; place-items:center;
  cursor:pointer; position:relative;
  z-index:200; /* hero üstünde */
  background:rgba(15,23,42,.45); /* koyu yarı saydam */
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 4px 16px rgba(2,6,23,.25);
  backdrop-filter:blur(4px);
}
.hamburger::before{
  content:"\2630"; /* ☰ */
  font-size:20px;
  color:#fff;
  text-shadow:0 1px 2px rgba(0,0,0,.35);
}
.nav-toggle:checked + .hamburger::before{ content:"\00d7"; } /* X */

/* Mobil eşik */
@media(max-width:960px){
  .nav{display:none}
  .hamburger{display:grid}
}

/* Scroll sonrası (header beyaz) */
header.site.scrolled .hamburger{
  background:#fff;
  border-color:var(--line);
  box-shadow:0 8px 20px rgba(2,6,23,.12);
}
header.site.scrolled .hamburger::before{
  color:#111;
  text-shadow:none;
}

/* Drawer menü */
.backdrop{display:none;position:fixed;inset:0;background:rgba(15,23,42,.35);backdrop-filter:blur(2px);z-index:98}
.nav-toggle:checked ~ .backdrop{display:block}
.drawer{
  position:fixed; top:0; right:0; bottom:0; width:min(86vw,420px);
  background:#fff; box-shadow:var(--shadow); border-radius:24px 0 0 24px;
  transform:translateX(110%); transition:transform .28s ease; z-index:99;
  display:flex; flex-direction:column;
}
.nav-toggle:checked ~ .drawer{transform:translateX(0)}
.drawer-list{list-style:none;margin:12px 0;padding:8px 12px}
.drawer-list a{display:block;padding:14px 12px;font-weight:700;border-bottom:1px solid #f0f0f0}
.drawer-actions{margin-top:auto;padding:16px;border-top:1px solid #f0f0f0}

/* ===== HERO (fotoğraf arka planı) ===== */
.hero{
  position:relative; isolation:isolate;
  min-height:clamp(520px,68vh,760px);
  display:flex; align-items:flex-end;
  padding:18vh 0 64px;
  color:#fff; text-shadow:0 1px 2px rgba(0,0,0,.25);
  background-image:
    linear-gradient(180deg,rgba(10,24,61,.55),rgba(10,24,61,.15) 45%,transparent),
    url('assets/hero-photo.jpg');
  background-size:cover; background-position:center; background-repeat:no-repeat;
}
.hero-wrap{position:relative}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.metrics{display:flex;gap:24px;list-style:none;padding:14px 0 0;margin:0;flex-wrap:wrap}
.metrics strong{font-size:20px}
.metrics span{display:block;font-size:12px;opacity:.9}

/* ===== Kartlar / galeriler ===== */
.cards .card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 28px rgba(2,6,23,.08);padding:18px}
.icon{width:44px;height:44px}
.gallery .shot{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 24px rgba(2,6,23,.07);overflow:hidden}
.gallery .ph{aspect-ratio:16/9;background:linear-gradient(135deg,#eef2ff,#e0e7ff)}
.gallery figcaption{padding:10px 12px;font-size:14px;color:var(--muted)}
.about .about-art{display:grid;place-items:center}
.checks{list-style:none;padding:0;margin:12px 0}
.checks li{padding-left:22px;position:relative;margin:8px 0}
.checks li::before{content:"✓";position:absolute;left:0;top:0;color:var(--blue)}

/* ===== İletişim ===== */
.contact{background:var(--light)}
.form label{display:block;font-size:14px;margin:6px 0}
.form input,.form textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:12px;background:#fff;outline:none}
.form input:focus,.form textarea:focus{border-color:var(--blue)}
.form .form-note{font-size:12px;color:var(--muted);margin-top:6px}

/* ===== Footer ===== */
.site-foot{background:#0b1220;color:#e5e7eb}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px;padding:36px 0}
.foot-col img{display:block;margin-bottom:8px; max-width: 200px}
.foot-col h4{margin:0 0 8px}
.foot-col ul{list-style:none;margin:0;padding:0}
.foot-col li{margin:6px 0}
.foot-col a{color:#e5e7eb}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:12px 0;color:#cbd5e1}

/* erişilebilirlik */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--blue2); outline-offset:2px;
}
/* ===== Sayfa başlığı şeridi ===== */
.page-hero{
  padding: 20px 0 24px;
  background: linear-gradient(180deg,#f8fbff,transparent);
}
.page-hero h1{ margin:0 0 6px }
.breadcrumb{font-size:14px;color:#64748b;margin-top:8px}
.breadcrumb a{color:var(--blue)}
.breadcrumb span{margin:0 6px}

/* ===== Carousel ===== */
.carousel{position:relative; border-radius:16px; overflow:hidden; box-shadow:0 12px 28px rgba(2,6,23,.08)}
.carousel-track{display:flex; transition:transform .5s ease}
.slide{min-width:100%; position:relative; aspect-ratio: 16 / 9; background:#000}
.slide img{width:100%; height:100%; object-fit:cover; display:block}
.slide figcaption{
  position:absolute; left:0; right:0; bottom:0;
  padding:14px 16px; font-weight:600; color:#fff;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.55));
}

/* ok butonları */
.car-btn{
  position:absolute; top:50%; transform:translateY(-50%);
  width:42px; height:42px; border-radius:50%;
  border:none; cursor:pointer; z-index:5;
  background:rgba(15,23,42,.55); color:#fff; font-size:22px; line-height:1;
  box-shadow:0 6px 18px rgba(2,6,23,.25);
}
.car-prev{left:12px} .car-next{right:12px}
.car-btn:hover{background:rgba(15,23,42,.75)}

/* noktalar */
.car-dots{position:absolute; left:0; right:0; bottom:10px; display:flex; gap:8px; justify-content:center; z-index:4}
.car-dots button{
  width:9px; height:9px; border-radius:50%; border:none; background:#ffffff66; cursor:pointer
}
.car-dots button.is-active{background:#fff}

/* küçük ekran optimizasyon */
@media (max-width: 640px){
  .car-btn{width:36px;height:36px;font-size:20px}
}
/* Kartı link gibi göstermek için */
a.card-link {
  display: block;             /* tüm kart tıklanabilir olsun */
  text-decoration: none;      /* link alt çizgisini kaldır */
  color: inherit;             /* yazılar link rengi yerine mevcut rengini korusun */
}

a.card-link:hover .card {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.12);
  transition: all 0.25s ease;
}