:root{
  --bg:#f4f6f9;
  --surface:#ffffff;
  --surface-alt:#eef2f7;
  --text:#1f2937;
  --heading:#0f172a;
  --muted:#64748b;
  --line:#e2e8f0;
  --line-strong:#cbd5e1;
  --accent:#0369a1;
  --accent-soft:#e0f2fe;
  --shadow:0 1px 2px rgba(15,23,42,.06),0 12px 28px rgba(15,23,42,.06);
  --shadow-lg:0 20px 50px rgba(15,23,42,.10);
}
*{box-sizing:border-box}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial;line-height:1.5;margin:0;color:var(--text);background:var(--bg)}
h1,h2,h3{color:var(--heading)}
.container{max-width:1180px;margin:0 auto;padding:24px}

/* Üst bar */
.site-header{background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);position:sticky;top:0;backdrop-filter:blur(12px);z-index:10}
.site-header .container{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px}
.brand{font-weight:800;color:var(--heading);text-decoration:none;font-size:1.15rem;letter-spacing:.03em}
.nav a{margin-left:22px;color:var(--muted);text-decoration:none;font-size:.95rem;font-weight:500}
.nav a:hover{color:var(--accent)}

/* Hero */
.hero{position:relative;padding:64px 0 48px;background:linear-gradient(180deg,#ffffff,var(--bg))}
.hero-content{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.hero-text{max-width:560px}
.eyebrow{display:inline-block;text-transform:uppercase;font-size:.78rem;letter-spacing:.18em;color:var(--accent);margin-bottom:18px;font-weight:600}
.hero h1{margin:0 0 18px 0;font-size:2.7rem;line-height:1.08;max-width:680px;letter-spacing:-.02em}
.hero p{margin:0 0 28px;color:var(--muted);font-size:1.02rem;line-height:1.75}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* Butonlar */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:999px;font-weight:600;font-size:.92rem;cursor:pointer;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease,background .15s ease,border-color .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--accent);color:#fff;border:1px solid var(--accent);box-shadow:0 8px 20px rgba(3,105,161,.22)}
.btn.primary:hover{background:#025b8c}
.btn.outline{background:var(--surface);color:var(--heading);border:1px solid var(--line-strong)}
.btn.outline:hover{border-color:var(--accent);color:var(--accent)}
.btn.small{padding:9px 16px;font-size:.85rem}

/* Hero görseli: açık zemin üstünde koyu endüstriyel blok */
.hero-visual{position:relative;height:400px;display:flex;align-items:center;justify-content:center}
.factory{position:relative;width:280px;height:220px;background:linear-gradient(180deg,#334155,#1e293b);border:2px solid rgba(15,23,42,.12);border-radius:24px;box-shadow:var(--shadow-lg);overflow:hidden}
.factory::before{content:'';position:absolute;left:20px;top:20px;width:60px;height:50px;background:linear-gradient(135deg,#38bdf8,#0284c7);border-radius:12px}
.factory::after{content:'';position:absolute;right:18px;bottom:48px;width:36px;height:8px;background:rgba(255,255,255,.2);border-radius:999px;filter:blur(1px)}
.factory-tower{position:absolute;left:22%;bottom:24%;width:42px;height:120px;background:#475569;border:2px solid rgba(203,213,225,.35);border-radius:12px 12px 0 0;animation:pulse 3.2s ease-in-out infinite}
.factory-roof{position:absolute;left:35%;bottom:40%;width:120px;height:16px;background:#0f172a;border-radius:8px}
.factory-body{position:absolute;left:12%;bottom:8%;width:176px;height:110px;background:linear-gradient(180deg,#64748b,#334155);border-radius:18px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.1)}
.factory-door{position:absolute;left:48%;bottom:12%;width:42px;height:58px;background:#0f172a;border:2px solid rgba(255,255,255,.16);border-radius:10px}
.pulse-line{position:absolute;width:260px;height:2px;background:linear-gradient(90deg,transparent,#0ea5e9,transparent);opacity:.55;border-radius:999px;animation:move-line 4s ease-in-out infinite}
.line-1{top:18%;left:50%;transform:translateX(-50%) scaleX(.98)}
.line-2{top:42%;left:50%;transform:translateX(-50%) scaleX(.95);animation-delay:.9s}
.line-3{top:66%;left:50%;transform:translateX(-50%) scaleX(.92);animation-delay:1.7s}

/* Kart ızgarası: görsel baskın, yazı kompakt */
.featured{padding:42px 0}
.featured h2{margin-bottom:20px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px}
.card{background:var(--surface);padding:0;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .18s ease,transform .18s ease}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.card-media{display:block;width:100%;height:300px;object-fit:cover;background:var(--surface-alt)}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;flex:1}
.card-eyebrow{display:block;font-size:.68rem;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);font-weight:600;margin-bottom:6px}
.card h3{margin:0 0 6px;font-size:1rem;line-height:1.3;letter-spacing:-.01em}
.card p{color:var(--muted);margin:0 0 14px;font-size:.82rem;line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-thumbs{display:flex;gap:6px;padding:10px 16px 0}
.card-thumb{padding:0;border:1px solid var(--line-strong);background:none;border-radius:6px;overflow:hidden;cursor:pointer;line-height:0;transition:border-color .15s ease}
.card-thumb:hover{border-color:var(--accent)}
.card-thumb img{width:48px;height:36px;object-fit:cover}
.card-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:auto}

/* Ürünler sayfası: sol kategori sütunu + katalog */
.catalog{display:grid;grid-template-columns:230px 1fr;gap:32px;align-items:start;margin-top:24px}
.catalog-sidebar{position:sticky;top:88px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.catalog-sidebar h2{font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin:0 0 12px}
.category-list{display:flex;flex-direction:column;gap:2px}
.category-item{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;text-align:left;padding:9px 12px;border:none;border-radius:9px;background:none;color:var(--text);font:inherit;font-size:.88rem;cursor:pointer;transition:background .15s ease,color .15s ease}
.category-item:hover{background:var(--surface-alt)}
.category-item.active{background:var(--accent-soft);color:var(--accent);font-weight:600}
.category-count{font-size:.75rem;color:var(--muted);background:var(--surface-alt);border-radius:999px;padding:1px 8px}
.category-item.active .category-count{background:#fff;color:var(--accent)}
.catalog-main{min-width:0}
.catalog-heading{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:16px}
.catalog-heading h2{margin:0;font-size:1.25rem}
.catalog-heading span{color:var(--muted);font-size:.85rem}

/* Galeri */
.gallery-section{padding:40px 0 8px}
.gallery-section h2{margin-bottom:6px}
.gallery-section>p{color:var(--muted);margin:0 0 18px;font-size:.9rem}
.gallery-card{padding:8px}
.gallery-media{display:block;width:100%;height:240px;object-fit:cover;background:var(--surface-alt);border-radius:10px}
.gallery-caption{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 6px 3px}
.gallery-caption small{color:var(--muted);font-size:.8rem}

/* Alt çağrı bandı */
.cta-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px 28px;margin:32px 0 8px;box-shadow:var(--shadow)}
.cta-band h2{margin:0 0 6px;font-size:1.2rem}
.cta-band p{margin:0;color:var(--muted);font-size:.9rem}

/* Neden biz */
.why{padding:42px 0}
.why-card{background:var(--surface);padding:32px;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow)}
.why-card h2{margin-top:0}
.why-card p{color:var(--muted);line-height:1.8;margin:16px 0}
.feature-list{list-style:none;padding:0;margin:0;color:var(--text)}
.feature-list li{position:relative;padding-left:24px;margin-bottom:12px;font-size:.95rem}
.feature-list li::before{content:'•';position:absolute;left:0;top:0;color:var(--accent);font-weight:700}

/* İletişim + harita */
.contact-section{padding-top:20px}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:28px;align-items:start;margin-top:18px}
.contact-info{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow)}
.contact-row{margin-bottom:18px}
.contact-row p{margin:4px 0 0;color:var(--text);font-size:.95rem}
.contact-row a{color:var(--accent);text-decoration:none}
.contact-row a:hover{text-decoration:underline}
.contact-label{display:block;text-transform:uppercase;font-size:.7rem;letter-spacing:.14em;color:var(--muted);font-weight:600}
.contact-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.contact-note{margin:14px 0 0;color:var(--muted);font-size:.82rem;line-height:1.6}
.contact-note a{color:var(--accent)}
.map-frame{position:relative;min-height:440px;border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg)}
.map-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* Alt bilgi */
.site-footer{border-top:1px solid var(--line);background:var(--surface);padding:26px 0;margin-top:48px}
.site-footer .container{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.site-footer strong{color:var(--heading)}
.site-footer p{margin:6px 0 0;color:var(--muted);font-size:.9rem}
.site-footer a{color:var(--accent);text-decoration:none}
.site-footer small{color:var(--muted)}
.footer-links{display:flex;gap:12px;flex-wrap:wrap}

/* Admin */
.hidden{display:none !important}
.admin-panel{background:var(--surface);padding:28px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);margin-top:24px}
.admin-panel p{color:var(--muted);margin-bottom:20px}
.admin-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}
.admin-header h2{margin:0}
.admin-divider{border:none;height:1px;background:var(--line);margin:28px 0}
.admin-form{display:grid;gap:14px;margin-bottom:24px}
.admin-form label{color:var(--text);font-size:.9rem;font-weight:500}
.admin-form input,.admin-form textarea{width:100%;padding:12px 14px;border-radius:10px;background:var(--surface);border:1px solid var(--line-strong);color:var(--text);font:inherit}
.admin-form input:focus,.admin-form textarea:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
.admin-form textarea{min-height:100px;resize:vertical}
.admin-form .btn{justify-self:start}
.admin-products-list{display:grid;gap:12px}
.admin-product-item{background:var(--surface-alt);padding:16px;border-radius:12px;border:1px solid var(--line);position:relative;padding-right:90px}
.admin-product-item h3{margin:0 0 6px;font-size:.98rem}
.admin-product-item p{margin:0;color:var(--muted);font-size:.85rem}
.admin-product-item button{position:absolute;top:14px;right:14px;padding:7px 14px;font-size:.82rem}
.admin-image-row{display:flex;gap:12px;align-items:center}
.admin-image-row img{width:84px;height:56px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.empty-state{color:var(--muted);padding:40px 0;text-align:center;font-size:.95rem;grid-column:1/-1}

@media (max-width:960px){
  .catalog{grid-template-columns:1fr;gap:20px}
  .catalog-sidebar{position:static}
  .category-list{flex-direction:row;flex-wrap:wrap;gap:8px}
  .category-item{width:auto;border:1px solid var(--line);border-radius:999px}
}
@media (max-width:860px){
  .hero-content{grid-template-columns:1fr;gap:28px}
  .hero-visual{height:300px}
  .contact-grid{grid-template-columns:1fr}
  .map-frame{min-height:320px}
}
@media (max-width:640px){
  .hero{padding:44px 0 32px}
  .hero h1{font-size:1.9rem}
  .container{padding:20px}
  .site-header .container{flex-direction:column;align-items:flex-start;gap:8px}
  .nav a{margin-left:0;margin-right:18px}
  .card-media{height:240px}
}
@keyframes pulse{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes move-line{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(10px)}}