:root{
  --bg:#0e1116;--bg2:#151a22;--card:#1a202a;--line:#273041;
  --text:#e8ecf2;--muted:#9aa5b5;--accent:#f5a524;--accent2:#4cc3ff;--ct:#5aa9ff;--t:#f0b34a;
  --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.6}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}

/* üst menü */
header{background:var(--bg2);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 0}
.logo{font-weight:800;font-size:1.25rem;color:var(--text);letter-spacing:.5px}
.logo span{color:var(--accent)}
.logo:hover{text-decoration:none}
.menu{display:flex;flex-wrap:wrap;gap:4px}
.menu a{color:var(--muted);padding:6px 10px;border-radius:8px;font-size:.95rem}
.menu a:hover,.menu a.active{background:var(--card);color:var(--text);text-decoration:none}

/* giriş */
.hero{padding:56px 0 32px}
.hero h1{font-size:clamp(1.8rem,5vw,2.8rem);line-height:1.2;margin:0 0 12px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{color:var(--muted);max-width:640px;margin:0;font-size:1.05rem}
.badge{display:inline-block;background:rgba(245,165,36,.12);color:var(--accent);
  border:1px solid rgba(245,165,36,.35);border-radius:999px;padding:2px 12px;font-size:.85rem;margin-bottom:14px}

/* sayfa başlığı */
.page-head{padding:40px 0 16px}
.page-head h1{margin:0 0 6px;font-size:clamp(1.6rem,4vw,2.2rem)}
.page-head p{margin:0;color:var(--muted)}

section{padding:16px 0 24px}
h2{font-size:1.35rem;margin:8px 0 14px}
h3{font-size:1.1rem;margin:0 0 8px}

.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.card p{margin:0 0 8px;color:var(--muted)}
.card p:last-child{margin-bottom:0}
a.card{display:block;color:var(--text);transition:border-color .15s,transform .15s}
a.card:hover{border-color:var(--accent);transform:translateY(-2px);text-decoration:none}
.icon{font-size:1.6rem;margin-bottom:6px}

ul.clean{margin:0;padding-left:18px}
ul.clean li{margin:4px 0}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.tag{background:var(--bg2);border:1px solid var(--line);border-radius:6px;padding:1px 8px;font-size:.85rem;color:var(--text)}
.side-t{color:var(--t)} .side-ct{color:var(--ct)}

table{width:100%;border-collapse:collapse;font-size:.95rem}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:var(--bg2);color:var(--muted);font-weight:600}
tr:last-child td{border-bottom:none}
td.num{font-variant-numeric:tabular-nums;color:var(--accent)}

code,pre{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9rem}
code{background:var(--bg2);border:1px solid var(--line);border-radius:5px;padding:1px 6px}
pre{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:14px;overflow-x:auto;margin:8px 0 0}
pre code{background:none;border:none;padding:0}

.note{border-left:3px solid var(--accent);background:var(--bg2);padding:10px 14px;border-radius:0 10px 10px 0;color:var(--muted);font-size:.95rem}

footer{border-top:1px solid var(--line);margin-top:40px;padding:24px 0;color:var(--muted);font-size:.85rem}
footer p{margin:4px 0}

/* ===== Ana sayfa harita ızgarası (3 üstte, 3 altta, ekranın ~%80'i) ===== */
.home-main{min-height:calc(100vh - 60px);display:flex;align-items:center;justify-content:center;padding:16px}
.map-grid{
  --gap:14px;
  --tile:min(calc((80vw - 2*var(--gap)) / 3), calc((80vh - var(--gap)) / 2));
  display:grid;grid-template-columns:repeat(3,var(--tile));grid-auto-rows:var(--tile);gap:var(--gap)
}
.map-tile{position:relative;display:block;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--card)}
.map-tile img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s ease}
.map-tile::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.75) 0%,rgba(0,0,0,0) 45%)}
.map-tile span{position:absolute;left:16px;bottom:12px;z-index:1;color:#fff;font-weight:800;
  font-size:clamp(1rem,2.2vw,1.6rem);letter-spacing:.5px;text-shadow:0 2px 8px rgba(0,0,0,.6)}
.map-tile:hover{text-decoration:none;border-color:var(--accent)}
.map-tile:hover img{transform:scale(1.06)}
@media (max-width:700px){
  .map-grid{--tile:calc((92vw - var(--gap)) / 2);grid-template-columns:repeat(2,var(--tile))}
}

/* ===== Harita detay sayfası ===== */
.map-hero{position:relative;height:clamp(220px,45vh,460px);border-radius:16px;overflow:hidden;margin:24px 0 8px;border:1px solid var(--line)}
.map-hero img{width:100%;height:100%;object-fit:cover;display:block}
.map-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(14,17,22,.9) 0%,rgba(14,17,22,0) 55%)}
.map-hero h1{position:absolute;left:20px;bottom:12px;z-index:1;margin:0;font-size:clamp(2rem,6vw,3.2rem)}
.back{display:inline-block;margin-top:16px;color:var(--muted)}

/* ===== Detay: CT / T seçimi ve bölüm butonları ===== */
.step{padding:8px 0 32px;text-align:center}
.step h2{margin:8px 0 18px;font-size:1.4rem}
.side-pick{display:grid;grid-template-columns:repeat(2,minmax(0,280px));gap:16px;justify-content:center}
.side-btn{appearance:none;cursor:pointer;font:inherit;color:var(--text);background:var(--card);
  border:2px solid var(--line);border-radius:16px;padding:28px 16px;transition:border-color .15s,transform .15s,background .15s}
.side-btn b{display:block;font-size:2.2rem;letter-spacing:1px;line-height:1.1}
.side-btn small{color:var(--muted);font-size:.95rem}
.side-btn.ct b{color:var(--ct)} .side-btn.t b{color:var(--t)}
.side-btn.ct:hover{border-color:var(--ct);transform:translateY(-2px)}
.side-btn.t:hover{border-color:var(--t);transform:translateY(-2px)}

.chosen{display:inline-flex;align-items:center;gap:10px;margin-bottom:6px}
.pill{border-radius:999px;padding:3px 14px;font-weight:700;border:1px solid}
.pill.ct{color:var(--ct);border-color:var(--ct);background:rgba(90,169,255,.1)}
.pill.t{color:var(--t);border-color:var(--t);background:rgba(240,179,74,.1)}
.link-btn{appearance:none;background:none;border:none;color:var(--muted);cursor:pointer;font:inherit;text-decoration:underline}
.link-btn:hover{color:var(--text)}

.section-pick{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:840px;margin:0 auto}
.sec-btn{appearance:none;cursor:pointer;font:inherit;color:var(--text);background:var(--card);
  border:2px solid var(--line);border-radius:16px;padding:24px 14px;transition:border-color .15s,transform .15s}
.sec-btn .icon{font-size:2rem}
.sec-btn b{display:block;font-size:1.15rem}
.sec-btn small{color:var(--muted)}
.sec-btn:hover,.sec-btn.active{border-color:var(--accent);transform:translateY(-2px)}
.panel{max-width:840px;margin:20px auto 0;text-align:left}
@media (max-width:620px){
  .side-pick{grid-template-columns:1fr 1fr}
  .section-pick{grid-template-columns:1fr}
}
[hidden]{display:none!important}

/* ===== Utility sayfası ===== */
.util-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:24px 0 8px}
.util-head h1{margin:0;font-size:clamp(1.6rem,4vw,2.2rem)}
.side-toggle{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.side-toggle a{padding:6px 18px;font-weight:700;color:var(--muted)}
.side-toggle a:hover{text-decoration:none;color:var(--text)}
.side-toggle a.on.ct{background:rgba(90,169,255,.15);color:var(--ct)}
.side-toggle a.on.t{background:rgba(240,179,74,.15);color:var(--t)}
.util-list{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));padding:16px 0}
.util-card{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.util-media{aspect-ratio:16/9;background:var(--bg2);display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.9rem}
.util-media video,.util-media img{width:100%;height:100%;object-fit:cover;display:block}
.util-body{padding:14px 16px}
.util-body h3{margin:0 0 6px}
.util-body p{margin:0;color:var(--muted);font-size:.95rem}
.type{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.5px;border-radius:6px;padding:1px 8px;margin-bottom:8px;
  background:rgba(76,195,255,.12);color:var(--accent2)}
.empty{padding:40px 0;text-align:center;color:var(--muted)}

/* YouTube önizleme (tıklayınca yüklenir) */
.util-media iframe{width:100%;height:100%;border:0;display:block}
.yt{appearance:none;border:0;padding:0;margin:0;width:100%;height:100%;position:relative;cursor:pointer;background:#000}
.yt img{width:100%;height:100%;object-fit:cover;display:block;opacity:.85;transition:opacity .15s}
.yt .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:64px;height:44px;border-radius:12px;
  background:rgba(0,0,0,.7);color:#fff;font-size:1.3rem;display:flex;align-items:center;justify-content:center;transition:background .15s}
.yt:hover img{opacity:1}
.yt:hover .play{background:#e62117}
.credit{margin-top:10px!important;font-size:.85rem!important}

/* YouTube'u GIF gibi gösterme: fareyle etkileşim kapalı, kenarlar hafif kırpılır (başlık çubuğu ve logo gizlensin) */
.yt-gif{width:100%;height:100%;overflow:hidden;position:relative;background:#000}
.yt-gif iframe{position:absolute;inset:0;width:100%;height:100%;border:0;pointer-events:none;transform:scale(1.18)}

/* Dikey (telefon formatı) videolar: kart 9:16, siyah boşluk kalmaz */
.util-media.vertical{aspect-ratio:9/16;width:min(100%,220px);margin:0 auto}
.util-media.vertical .yt-gif iframe{transform:scale(1.06)}

/* YouTube başlangıç işaretlerini gizleyen kapak */
.yt-cover{position:absolute;inset:0;z-index:2;background:var(--bg2) center/cover no-repeat;
  transition:opacity .35s ease;pointer-events:none}
.yt-cover.off{opacity:0}