/* 19 Dosyası — siyah beyaz, sade */
:root{
  --bg:#ffffff; --bg2:#f6f6f4; --text:#111111; --muted:#555555; --line:#d6d6d6; --strong:#000000;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:"IBM Plex Sans",-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --arabic:"Amiri","Scheherazade New","Traditional Arabic",serif;
  color-scheme:light;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--serif);font-size:19px;line-height:1.7}
a{color:var(--strong);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
img{max-width:100%}
.wrap{max-width:1040px;margin:0 auto;padding-inline:24px}
.narrow{max-width:760px}
p{margin:0 0 1em}

/* Üst menü */
.nav{border-bottom:1px solid var(--strong);background:var(--bg)}
.nav .wrap{display:flex;align-items:center;justify-content:flex-start;min-height:64px;gap:16px}
.logo{font-family:var(--serif);font-weight:700;font-size:1.25rem;color:var(--strong);text-decoration:none;letter-spacing:.01em}
.logo:hover{text-decoration:none}
.menu{display:flex;gap:22px;list-style:none;margin:0;padding:0;font-family:var(--sans);font-size:.88rem}
.menu a{color:var(--muted);text-decoration:none;padding:4px 0;border-bottom:1px solid transparent}
.menu a:hover,.menu a.active{color:var(--strong);border-bottom-color:var(--strong)}
.burger{display:none;background:none;border:1px solid var(--strong);color:var(--strong);padding:4px 12px;font-family:var(--sans);font-size:.85rem;cursor:pointer}
@media (max-width:900px){
  .burger{display:block}
  .menu{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);padding:8px 24px 16px;border-bottom:1px solid var(--strong);z-index:20}
  .menu.open{display:flex}
  .menu a{display:block;padding:10px 0;border-bottom:1px solid var(--line)}
  .nav{position:relative}
}

/* Başlık alanları */
.hero{padding-block:80px 50px;text-align:left;border-bottom:1px solid var(--line)}
.hero h1{font-size:clamp(2.2rem,5.5vw,3.8rem);line-height:1.1;margin:0 0 24px;font-weight:700;max-width:820px}
.hero h1 em{font-style:italic;font-weight:600}
.hero p.lead{color:var(--muted);font-size:1.2rem;max-width:680px;margin:0 0 30px}
.page-hero{padding-block:60px 30px;border-bottom:1px solid var(--line);margin-bottom:10px}
.page-hero h1{font-size:clamp(2rem,4.5vw,3rem);line-height:1.15;margin:8px 0 14px}
.page-hero p{color:var(--muted);font-size:1.15rem;max-width:720px}

.btn{display:inline-block;padding:10px 20px;font-family:var(--sans);font-size:.92rem;font-weight:500;border:1px solid var(--strong);color:var(--strong);background:var(--bg);text-decoration:none;cursor:pointer}
.btn:hover{background:var(--bg2);text-decoration:none}
.btn.primary{background:var(--strong);color:#fff}
.btn.primary:hover{background:#333}
.btns{display:flex;gap:12px;flex-wrap:wrap}

/* Bölümler */
section{padding-block:44px}
h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.25;margin:0 0 16px;font-weight:700}
h3{font-size:1.15rem;margin:0 0 8px;font-weight:700}
.kicker{font-family:var(--sans);color:var(--muted);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;font-weight:500;display:block;margin-bottom:6px}
.muted{color:var(--muted)}
.grid{display:grid;gap:0}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.grid{border-top:1px solid var(--strong);border-left:1px solid var(--line)}
.grid>.card{border:none;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.card{background:var(--bg);border:1px solid var(--line);padding:24px}
.card.link{color:var(--text);display:block;text-decoration:none}
.card.link:hover{background:var(--bg2)}
.card.link h3{text-decoration:underline;text-underline-offset:3px}
.card p{margin:.4em 0;color:var(--muted)}
.stat{text-align:left}
.stat .n{font-size:2.4rem;font-weight:700;line-height:1}
.stat .l{color:var(--muted);font-family:var(--sans);font-size:.85rem;margin-top:8px}

/* İddia / Gerçek */
.vs{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--strong);margin:22px 0}
.vs>div{padding:20px 22px}
.vs .claim{border-right:1px solid var(--strong);background:var(--bg2)}
.vs h4{margin:0 0 8px;font-family:var(--sans);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600}
.vs p{margin:.3em 0}
@media (max-width:700px){.vs{grid-template-columns:1fr}.vs .claim{border-right:none;border-bottom:1px solid var(--strong)}}

.note{border-left:3px solid var(--strong);padding:4px 0 4px 20px;margin:24px 0}
.note.red{border-left-width:6px}

/* Ayet */
.ayah{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;margin:24px 0}
.ayah .ar{font-family:var(--arabic);direction:rtl;text-align:right;font-size:1.8rem;line-height:2.1}
.ayah .tr{margin-top:12px;font-style:italic}
.ayah .ref{color:var(--muted);font-family:var(--sans);font-size:.82rem;margin-top:6px}
.ar-inline{font-family:var(--arabic);font-size:1.3em;direction:rtl;unicode-bidi:isolate}

/* Tablo */
.table-wrap{overflow-x:auto;margin:22px 0}
table{width:100%;border-collapse:collapse;min-width:520px;font-size:.95rem}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{border-top:2px solid var(--strong);border-bottom:1px solid var(--strong);font-family:var(--sans);font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;font-weight:600}
tbody tr:last-child td{border-bottom:2px solid var(--strong)}
td.ok{font-style:italic}
td.no{font-weight:700}

/* Açılır kutular */
details{border-top:1px solid var(--line);margin:0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;padding:16px 0;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--sans);font-weight:400}
details[open] summary::after{content:"–"}
details .body{padding:0 0 16px}
details .body p{margin:.5em 0}

/* Hesaplama kutuları */
.tool{border:1px solid var(--strong);padding:26px;margin:28px 0}
.tool h3{margin-bottom:10px}
.switch{display:flex;align-items:flex-start;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);cursor:pointer}
.switch input{width:18px;height:18px;accent-color:#000;flex:none;margin-top:5px}
.result-row{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.result-row .val{font-size:1.4rem;font-weight:700}
.pill{display:inline-block;font-family:var(--sans);font-size:.78rem;padding:2px 8px;border:1px solid var(--strong)}
.pill.ok{background:var(--strong);color:#fff}
.pill.no{background:var(--bg)}
textarea,input[type=text],input[type=number],select{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--strong);border-radius:0;padding:10px 12px;font-family:var(--serif);font-size:1rem}
textarea{min-height:130px;resize:vertical}
input[type=range]{width:100%;accent-color:#000}
label.fl{display:block;font-family:var(--sans);font-size:.85rem;color:var(--muted);margin:14px 0 6px}
.letters{display:flex;flex-wrap:wrap;gap:4px;direction:rtl;margin:16px 0}
.letters span{font-family:var(--arabic);font-size:1.5rem;width:44px;height:52px;display:grid;place-items:center;border:1px solid var(--strong)}
.letters span.added{border-style:dashed;background:var(--bg2);color:var(--muted)}
.bar{height:8px;border:1px solid var(--strong);margin-top:8px}
.bar i{display:block;height:100%;background:var(--strong)}
.chips{display:flex;flex-wrap:wrap;gap:6px 18px;margin:12px 0;font-family:var(--sans);font-size:.88rem}
.chip b{font-weight:600}
.out{max-height:360px;overflow:auto;border-top:1px solid var(--strong);border-bottom:1px solid var(--strong);padding:4px 0;font-size:.95rem}
.out div{padding:7px 0;border-bottom:1px solid var(--line)}
.out div:last-child{border:none}

/* Zaman çizelgesi */
.timeline{margin:20px 0;border-top:1px solid var(--line)}
.tl{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.tl .y{font-weight:700}
@media (max-width:600px){.tl{grid-template-columns:1fr;gap:2px}}

/* Test */
.quiz{border:none;padding:0}
.quiz .q{padding:18px 0;border-bottom:1px solid var(--line)}
.quiz .opts{display:grid;gap:6px;margin-top:10px}
.quiz button.opt{text-align:left;background:var(--bg);border:1px solid var(--line);color:var(--text);padding:10px 14px;cursor:pointer;font-family:var(--serif);font-size:1rem}
.quiz button.opt:hover{border-color:var(--strong)}
.quiz button.opt.right{border:2px solid var(--strong);font-weight:700}
.quiz button.opt.wrong{text-decoration:line-through;color:var(--muted)}
.quiz .exp{margin-top:8px;color:var(--muted);font-size:.95rem}

.next{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}

footer{border-top:1px solid var(--strong);margin-top:60px;padding-block:32px;color:var(--muted);font-family:var(--sans);font-size:.85rem;line-height:1.6}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer a{color:var(--muted)}

.toc{display:flex;flex-wrap:wrap;gap:4px 20px;margin:20px 0 0;font-family:var(--sans);font-size:.88rem}
.toc a{color:var(--muted)}
.toc a:hover{color:var(--strong)}
.strike{text-decoration:line-through}

figure{margin:24px 0}
figcaption{font-family:var(--sans);font-size:.85rem;color:var(--muted);margin-top:8px}

/* Çelişkiler: test matrisi */
table.mx{font-family:var(--sans);font-size:.82rem;min-width:760px}
table.mx th,table.mx td{padding:7px 8px;white-space:nowrap}
table.mx thead th{white-space:normal;vertical-align:bottom;font-size:.7rem}
table.mx td.hit{font-weight:700}
table.mx tr.focus td{background:var(--bg2);border-top:1px solid var(--strong);border-bottom:1px solid var(--strong)}