/* Merfinis — Default storefront teması. Buildless, hızlı, mobil-öncelikli.
   Renkler CSS değişkenleriyle (tema/marka özelleştirmesi kolay). */
:root{
  --brand:#2563eb; --brand-dark:#1d4ed8; --ink:#0f172a; --muted:#64748b;
  --line:#e5e7eb; --bg:#ffffff; --bg-soft:#f8fafc; --danger:#dc2626; --ok:#16a34a; --warn:#d97706;
  --radius:12px; --shadow:0 1px 3px rgba(15,23,42,.08),0 1px 2px rgba(15,23,42,.04);
  --wrap:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Inter,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}

/* Header */
.hdr{position:sticky;top:0;z-index:40;background:var(--bg);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:16px;height:64px}
.logo{font-weight:800;font-size:1.25rem;color:var(--brand);letter-spacing:-.02em;white-space:nowrap}
.nav{display:flex;gap:4px;flex:1;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{padding:8px 12px;border-radius:8px;color:var(--muted);font-weight:500;white-space:nowrap}
.nav a:hover{background:var(--bg-soft);color:var(--ink)}
.hdr-tools{display:flex;align-items:center;gap:10px;margin-inline-start:auto}
.langsel{display:flex;gap:2px;background:var(--bg-soft);border-radius:8px;padding:3px}
.langsel a{padding:4px 8px;border-radius:6px;font-size:.85rem;color:var(--muted)}
.langsel a.on{background:var(--bg);color:var(--ink);box-shadow:var(--shadow);font-weight:600}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;background:var(--bg-soft);color:var(--ink);position:relative}
.icon-btn .badge{position:absolute;top:-4px;inset-inline-end:-4px;background:var(--brand);color:#fff;font-size:.7rem;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 4px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;padding:12px 20px;border-radius:10px;font-weight:600;border:1px solid transparent;cursor:pointer;font-size:1rem;transition:background .15s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-primary:disabled{background:var(--muted);cursor:not-allowed;opacity:.6}
.btn-block{width:100%}

/* Sections */
.section{padding:36px 0}
.section-h{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:18px}
.section-h h2{font-size:1.4rem;margin:0;letter-spacing:-.02em}
.section-h a{color:var(--brand);font-weight:600;font-size:.9rem}

/* Hero */
.hero{background:linear-gradient(135deg,#eff6ff,#f8fafc);border-radius:var(--radius);padding:48px 32px;margin-top:20px;text-align:center}
.hero h1{font-size:2rem;margin:0 0 8px;letter-spacing:-.03em}
.hero p{color:var(--muted);margin:0}

/* Category chips */
.cats{display:flex;gap:10px;flex-wrap:wrap}
.cat-chip{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;font-weight:600;font-size:.92rem}
.cat-chip:hover{border-color:var(--brand);color:var(--brand)}
.cat-chip img{width:24px;height:24px;border-radius:50%;object-fit:cover}

/* Product grid + card */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:640px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:960px){.grid{grid-template-columns:repeat(4,1fr)}}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .15s,transform .15s;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.card-img{aspect-ratio:1;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.card-img img{width:100%;height:100%;object-fit:cover}
.card-img .ph{color:#cbd5e1;font-size:2rem}
.card-b{padding:12px;display:flex;flex-direction:column;gap:4px;flex:1}
.card-brand{font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.card-name{font-weight:600;font-size:.95rem;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.5em}
.card-price{margin-top:auto;font-weight:800;font-size:1.05rem}
.card-cmp{color:var(--muted);text-decoration:line-through;font-weight:500;font-size:.85rem;margin-inline-start:6px}
.tag{position:absolute;top:8px;inset-inline-start:8px;background:var(--danger);color:#fff;font-size:.72rem;font-weight:700;padding:3px 8px;border-radius:6px}
.tag.soft{background:var(--brand)}

/* Breadcrumbs */
.crumbs{display:flex;gap:6px;flex-wrap:wrap;color:var(--muted);font-size:.85rem;padding:16px 0}
.crumbs a:hover{color:var(--brand)}

/* Product detail */
.pd{display:grid;grid-template-columns:1fr;gap:28px;padding:8px 0 40px}
@media(min-width:900px){.pd{grid-template-columns:1fr 1fr;gap:40px}}
.gallery .main{aspect-ratio:1;background:var(--bg-soft);border-radius:var(--radius);overflow:hidden;display:flex;align-items:center;justify-content:center}
.gallery .main img{width:100%;height:100%;object-fit:cover}
.gallery .main .ph{color:#cbd5e1;font-size:3rem}
.thumbs{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.thumbs img{width:64px;height:64px;border-radius:8px;object-fit:cover;border:2px solid transparent;cursor:pointer}
.thumbs img.on,.thumbs img:hover{border-color:var(--brand)}
.pd-brand{color:var(--muted);text-transform:uppercase;font-size:.8rem;letter-spacing:.04em}
.pd h1{font-size:1.6rem;margin:6px 0 12px;letter-spacing:-.02em}
.pd-price{font-size:1.8rem;font-weight:800}
.pd-price .cmp{color:var(--muted);text-decoration:line-through;font-size:1.1rem;font-weight:500;margin-inline-start:8px}
.pd-desc{color:#334155;margin:16px 0}
.stock{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:.9rem;padding:5px 10px;border-radius:8px}
.stock.in{background:#dcfce7;color:var(--ok)}
.stock.out{background:#fee2e2;color:var(--danger)}

/* Variant options */
.opt{margin:16px 0}
.opt-name{font-weight:600;font-size:.9rem;margin-bottom:8px}
.opt-vals{display:flex;gap:8px;flex-wrap:wrap}
.opt-val{padding:8px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--bg);cursor:pointer;font-weight:600;font-size:.9rem;user-select:none}
.opt-val:hover{border-color:var(--muted)}
.opt-val.on{border-color:var(--brand);background:#eff6ff;color:var(--brand)}
.opt-val.off{opacity:.35;cursor:not-allowed;text-decoration:line-through}

/* Footer */
.ftr{border-top:1px solid var(--line);background:var(--bg-soft);margin-top:40px;padding:28px 0;color:var(--muted);font-size:.9rem}
.ftr-in{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center}

/* Pagination (Bootstrap-5 paginator yapısı) */
.pager{display:flex;justify-content:center;padding:24px 0}
.pager ul{list-style:none;display:flex;gap:6px;padding:0;margin:0;flex-wrap:wrap}
.pager .page-link{display:inline-block;padding:8px 12px;border-radius:8px;border:1px solid var(--line);color:var(--ink);font-weight:600}
.pager .page-link:hover{border-color:var(--brand);color:var(--brand)}
.pager .active .page-link{background:var(--brand);color:#fff;border-color:var(--brand)}
.pager .disabled .page-link{color:#cbd5e1}
.pager svg{display:none}

/* Empty */
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty .i{font-size:3rem;opacity:.4}

/* Flash */
.flash{padding:12px 16px;border-radius:10px;font-weight:600;margin-bottom:10px}
.flash.ok{background:#dcfce7;color:#166534}
.flash.err{background:#fee2e2;color:#991b1b}

/* Cart & checkout */
.cart-layout{display:grid;grid-template-columns:1fr;gap:24px;padding:20px 0 48px}
@media(min-width:900px){.cart-layout{grid-template-columns:2fr 1fr;align-items:start}}
.line{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.line-img{width:80px;height:80px;border-radius:10px;background:var(--bg-soft);object-fit:cover;flex-shrink:0}
.line-b{flex:1;min-width:0}
.line-name{font-weight:600}
.line-meta{color:var(--muted);font-size:.85rem}
.line-r{text-align:end;white-space:nowrap}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.qty input{width:44px;border:0;text-align:center;padding:6px 0;font-weight:600}
.qty button{border:0;background:var(--bg-soft);width:30px;height:32px;cursor:pointer;font-size:1rem}
.summary{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:20px;position:sticky;top:80px}
.summary .row{display:flex;justify-content:space-between;padding:6px 0}
.summary .row.total{border-top:1px solid var(--line);margin-top:8px;padding-top:12px;font-size:1.2rem;font-weight:800}
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font-size:1rem;font-family:inherit}
.field input:focus,.field textarea:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.pay-opt{display:flex;align-items:center;gap:10px;padding:12px;border:1.5px solid var(--line);border-radius:10px;margin-bottom:8px;cursor:pointer}
.pay-opt.on{border-color:var(--brand);background:#eff6ff}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.card-box{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px}
.confirm{max-width:640px;margin:40px auto;text-align:center}
.confirm .big{width:72px;height:72px;border-radius:50%;background:#dcfce7;color:#16a34a;display:flex;align-items:center;justify-content:center;font-size:2.4rem;margin:0 auto 16px}