:root{
  --bg:#0b0e10; --card:#12161a; --text:#e7eef5; --muted:#a7b3be;
  --brand:#4cc9f0; --accent:#80ffdb; --radius:16px; --border:rgba(255,255,255,.08);
  --shadow:0 10px 30px rgba(0,0,0,.25);
}
html.theme-light{
  --bg:#f7fbff; --card:#fff; --text:#0b1220; --muted:#5a6b7a;
  --brand:#2563eb; --accent:#14b8a6; --border:rgba(0,0,0,.10);
  --shadow:0 10px 26px rgba(0,0,0,.10);
}

/* Genel */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font-family:ui-sans-serif,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(128,255,219,.08),transparent 40%),
    radial-gradient(900px 500px at -10% 10%, rgba(76,201,240,.08),transparent 40%),
    var(--bg);
}
a{color:var(--brand); text-decoration:none}
section{padding:48px 20px}
.wrap{max-width:960px; margin:0 auto}
.card{background:var(--card); border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow)}
.panel{padding:26px}
.title{margin:0 0 10px; font-size:clamp(26px,4vw,40px)}
.subtitle{color:var(--muted)}
footer{padding:30px 20px 60px; color:var(--muted); text-align:center}

/* Navbar */
.nav{
  position:sticky; top:0; z-index:1000;
  backdrop-filter:blur(8px);
  background:rgba(0,0,0,.25);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:960px; margin:0 auto; padding:12px 20px;
  display:flex; justify-content:space-between; align-items:center;
}
.brand{display:flex; align-items:center; gap:10px; font-weight:700}
.dot{
  width:10px; height:10px; border-radius:999px;
  background:linear-gradient(45deg,var(--brand),var(--accent));
  box-shadow:0 0 14px rgba(128,255,219,.6);
}
.links{display:flex; gap:12px; align-items:center}
.btnlike{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 14px; border-radius:12px; border:1px solid var(--border);
  background:rgba(255,255,255,.02);
  color:var(--text);
  transition:transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btnlike:hover{transform:scale(1.06); background:rgba(128,255,219,.08); box-shadow:0 6px 18px rgba(0,0,0,.25)}
.links a.active{outline:2px solid rgba(128,255,219,.25)}
.links a.btnlike svg{display:block}

/* Tema düğmesi (sol orta) */
.theme-toggle{
  position:fixed; left:12px; top:50%; transform:translateY(-50%);
  z-index:2000; width:44px; height:44px; border-radius:12px;
  border:1px solid var(--border);
  background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.04));
  backdrop-filter:blur(8px); box-shadow:var(--shadow);
  display:grid; place-items:center; cursor:pointer;
  transition:transform .15s, box-shadow .15s;
}
.theme-toggle:hover{transform:translateY(-50%) scale(1.06)}
.theme-glyph{width:22px; height:22px; display:block}
.theme-glyph svg{display:block}
html:not(.theme-light) .theme-glyph .sun-core{fill:#FFD43B}
html.theme-light .theme-glyph .sun-core{fill:#f59e0b}

/* Sosyal */
.social-wrap{display:flex; justify-content:center}
.social-list{display:flex; flex-direction:column; gap:18px; width:100%; max-width:560px}
.social-item{
  display:flex; align-items:center; gap:12px;
  border:1px solid var(--border); border-radius:14px; padding:14px 18px;
  background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.01));
  box-shadow:var(--shadow);
  transition:transform .2s, border-color .2s, background .2s;
}
.social-item:hover{transform:scale(1.03); border-color:var(--accent); background:rgba(255,255,255,.04)}
.social-icon{width:36px; height:36px; flex:0 0 36px; transition:transform .2s, filter .3s}
.social-item:hover .social-icon{transform:scale(1.12)}
.social-item strong{font-size:1.05rem}
.social-item .muted{margin-left:auto; color:var(--muted)}
html.theme-light .social-icon{filter:invert(1) brightness(.25) contrast(1.1)}
html.theme-light .social-item strong,
html.theme-light .social-item .muted{color:#222}

/* Harita */
#map{width:100%; height:520px; border-radius:var(--radius); margin-top:10px}

/* Anasayfa profil */
.about-section{display:flex; align-items:center; justify-content:space-between; gap:30px}
.about-text{flex:1}
.about-photo{flex:0 0 220px; display:flex; justify-content:center}
.about-photo img{
  width:220px; height:220px; border-radius:50%; object-fit:cover;
  border:3px solid var(--accent);
  box-shadow:0 0 25px rgba(128,255,219,.3);
  transition:transform .3s ease, box-shadow .3s ease;
}
.about-photo img:hover{transform:scale(1.05); box-shadow:0 0 40px rgba(128,255,219,.5)}

/* Hakkımda — foto galeri */
.photo-gallery{
  display:flex; justify-content:center; align-items:flex-start;
  gap:35px; flex-wrap:wrap; margin-top:45px;
}
.photo-card{
  background:var(--card); border-radius:16px; overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .3s ease, box-shadow .3s ease;
}
.photo-card:hover{transform:scale(1.03); box-shadow:0 0 28px rgba(255,200,120,.25)}
.photo-card img{width:100%; display:block; object-fit:cover}
.photo-card.wide{width:480px; height:270px}   /* 16:9 */
.photo-card.tall{width:360px; height:420px}
.photo-card.tall img{object-position:50% 40%}
.photo-caption{
  font-size:.9rem; text-align:center; padding:10px;
  opacity:.8; border-top:1px solid var(--border);
}

/* Responsive */
@media (max-width:720px){
  .about-section{flex-direction:column-reverse; text-align:center}
  .about-photo{margin-top:15px}
}
@media (max-width:640px){
  .nav-inner{flex-direction:column; gap:8px}
  .theme-toggle{width:40px; height:40px}
}