/* Celal Temel Kitaplari - orijinal site tasarimi */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --ff:"Lato","Inter",Arial,sans-serif;
  --ff-h:"Montserrat","Lato",Arial,sans-serif;
  --bg:#fff;
  --text:#333;
  --text-muted:#888;
  --accent:#8B3A2A;
  --border:#e8e8e8;
  --border-dark:#ccc;
  --card-shadow:0 1px 4px rgba(0,0,0,.1);
  --radius:0px;
  --max:1200px;
  --header-h:72px;
}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--ff);background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}

/* ─── HEADER ─── */
.site-header{
  position:sticky;top:0;z-index:200;
  background:#fff;border-bottom:1px solid var(--border);
  height:var(--header-h);
}
.site-header__inner{
  max-width:var(--max);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;
  height:100%;
}
.site-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.site-logo img{height:36px;width:auto}
.site-logo__name{
  font-family:var(--ff-h);font-size:15px;font-weight:700;
  line-height:1.3;color:var(--text);max-width:130px;
}
.site-nav{display:flex;align-items:center;gap:4px}
.site-nav a{
  font-size:14px;font-weight:600;color:var(--text);
  padding:8px 14px;border-radius:4px;transition:background .15s,color .15s;
  white-space:nowrap;
}
.site-nav a:hover{background:#f5f5f5;color:var(--accent)}
.site-nav a.active{color:var(--accent)}

/* ─── PAGE WRAPPER ─── */
.page-wrap{max-width:var(--max);margin:0 auto;padding:32px 24px 64px}

/* ─── PAGE HEADER (kategori/ürün sayfaları) ─── */
.page-hd{padding:24px 0 20px}
.page-hd__bc{font-size:13px;color:var(--text-muted);margin-bottom:6px}
.page-hd__bc a{color:var(--text-muted)}
.page-hd__bc a:hover{color:var(--accent)}
.page-hd__bc span{margin:0 4px}
.page-hd h1{font-family:var(--ff-h);font-size:26px;font-weight:700;color:var(--text)}

/* ─── BOOK GRID ─── */
.book-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
@media(max-width:900px){.book-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.book-grid{grid-template-columns:repeat(2,1fr);gap:16px}}

.book-card{
  display:flex;flex-direction:column;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  text-decoration:none;color:var(--text);
  transition:box-shadow .18s,transform .18s;
}
.book-card:hover{
  box-shadow:0 4px 16px rgba(0,0,0,.13);
  transform:translateY(-2px);
  color:var(--text);
}
.book-card__cover{
  width:100%;aspect-ratio:3/4;
  object-fit:cover;background:#f0f0f0;
}
.book-card__cover-ph{
  width:100%;aspect-ratio:3/4;
  background:linear-gradient(160deg,#e8e0d8,#d0c8c0);
  display:flex;align-items:center;justify-content:center;
  padding:16px;color:#888;font-size:12px;text-align:center;line-height:1.4;
}
.book-card__info{
  padding:12px;flex:1;display:flex;flex-direction:column;gap:4px;
}
.book-card__title{
  font-family:var(--ff-h);font-size:13px;font-weight:700;
  line-height:1.4;color:var(--text);
}
.book-card__price{
  font-size:13px;font-weight:600;color:var(--accent);margin-top:auto;padding-top:6px;
}

/* ─── PRODUCT DETAIL ─── */
.product-layout{
  display:grid;grid-template-columns:340px 1fr;
  gap:48px;align-items:start;padding-top:16px;
}
.product-gallery{position:sticky;top:calc(var(--header-h) + 16px)}
.product-gallery img{
  width:100%;border-radius:2px;
  box-shadow:0 2px 16px rgba(0,0,0,.12);
}
.product-gallery__ph{
  width:100%;aspect-ratio:3/4;background:#f5f5f5;
  display:flex;align-items:center;justify-content:center;color:#bbb;font-size:14px;
}
.product-info h1{
  font-family:var(--ff-h);font-size:22px;font-weight:700;
  line-height:1.3;margin-bottom:10px;color:var(--text);
}
.product-info__price{
  font-size:22px;font-weight:700;color:var(--accent);
  margin-bottom:24px;
}
.product-meta{
  background:#f9f9f9;border:1px solid var(--border);
  border-radius:4px;padding:16px;margin-bottom:24px;
}
.product-meta table{width:100%;border-collapse:collapse;font-size:14px}
.product-meta td{padding:6px 8px;vertical-align:top}
.product-meta td:first-child{font-weight:600;color:var(--text-muted);width:110px;white-space:nowrap}
.product-meta tr+tr td{border-top:1px solid var(--border)}
.product-desc{margin-bottom:24px}
.product-desc h2{
  font-family:var(--ff-h);font-size:13px;font-weight:700;
  text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);
  margin-bottom:10px;
}
.product-desc p{font-size:15px;line-height:1.8;margin-bottom:10px;color:var(--text)}
.product-buy{
  display:inline-block;padding:13px 28px;
  background:var(--accent);color:#fff;
  border-radius:4px;font-weight:600;font-size:15px;
  transition:background .15s;
}
.product-buy:hover{background:#6d2a1a;color:#fff}

/* ─── ABOUT ─── */
.about-section{
  background:#f8f7f5;
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.about-inner{
  max-width:var(--max);margin:0 auto;padding:64px 24px;
  display:grid;grid-template-columns:280px 1fr;gap:56px;align-items:start;
}
.about-photo img{
  width:100%;border-radius:2px;
  box-shadow:0 2px 16px rgba(0,0,0,.1);
}
.about-text h2{
  font-family:var(--ff-h);font-size:26px;font-weight:700;margin-bottom:4px;
}
.about-text .subtitle{font-size:15px;color:var(--text-muted);margin-bottom:20px}
.about-text p{font-size:15px;line-height:1.85;margin-bottom:14px;color:var(--text)}
.published-books{
  margin-top:24px;padding-top:24px;border-top:1px solid var(--border);
}
.published-books h3{
  font-family:var(--ff-h);font-size:12px;font-weight:700;
  text-transform:uppercase;letter-spacing:.08em;
  color:var(--text-muted);margin-bottom:10px;
}
.published-books ul{list-style:none;display:flex;flex-direction:column;gap:5px}
.published-books li{
  font-size:14px;padding-left:14px;position:relative;line-height:1.5;color:var(--text);
}
.published-books li::before{content:"\2022";position:absolute;left:0;color:var(--accent)}

/* ─── CONTACT ─── */
.contact-section{max-width:var(--max);margin:0 auto;padding:64px 24px}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact-block h2{
  font-family:var(--ff-h);font-size:22px;font-weight:700;margin-bottom:14px;
}
.contact-block p{font-size:15px;line-height:1.75;margin-bottom:10px;color:var(--text)}
.contact-detail{margin-top:20px}
.contact-detail h3{
  font-size:11px;font-weight:700;text-transform:uppercase;
  letter-spacing:.09em;color:var(--text-muted);margin-bottom:5px;
}
.contact-detail p,.contact-detail a{font-size:15px;color:var(--text)}
.social-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.social-link{
  padding:7px 16px;border:1px solid var(--border-dark);
  border-radius:4px;font-size:13px;font-weight:500;color:var(--text);
  transition:border-color .15s,background .15s;
}
.social-link:hover{border-color:var(--accent);background:#fdf5f3;color:var(--accent)}
.buy-cta{
  display:inline-block;margin-top:20px;padding:12px 22px;
  background:var(--accent);color:#fff;border-radius:4px;
  font-weight:600;font-size:14px;
}
.buy-cta:hover{background:#6d2a1a;color:#fff}

/* ─── FOOTER ─── */
.site-footer{
  background:#1a1a1a;color:#999;
  padding:28px 24px;text-align:center;font-size:13px;
}
.site-footer a{color:#bbb}
.site-footer a:hover{color:#fff}

/* ─── RESPONSIVE ─── */
@media(max-width:768px){
  .product-layout{grid-template-columns:1fr;gap:24px}
  .product-gallery{position:static}
  .about-inner{grid-template-columns:1fr;gap:24px}
  .contact-inner{grid-template-columns:1fr;gap:32px}
  .page-wrap{padding:20px 16px 48px}
  .site-header__inner{padding:0 16px}
}