/* ==========================================================================
   ERTEK POMPA — Katalog Stil Dosyası
   Tema: Endüstriyel akışkan mühendisliği — "gösterge paneli" estetiği
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  --deep-teal: #0B3B47;
  --deep-teal-2: #0F4C5C;
  --graphite: #1C262B;
  --graphite-2: #26333A;
  --amber: #F0A202;
  --amber-dark: #C97F00;
  --flow-green: #2E8B77;
  --paper: #F5F7F6;
  --card: #FFFFFF;
  --line: #DEE5E3;
  --ink: #16232A;
  --ink-soft: #4C5C60;
  --radius: 6px;
  --shadow: 0 2px 10px rgba(11,59,71,0.08), 0 1px 2px rgba(11,59,71,0.06);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', -apple-system, Segoe UI, sans-serif;
  line-height:1.5;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{
  font-family:'Oswald', sans-serif;
  font-weight:600;
  letter-spacing:.02em;
  margin:0 0 .5em;
  color: var(--graphite);
}
.mono{ font-family:'JetBrains Mono', monospace; }
:focus-visible{ outline: 3px solid var(--amber); outline-offset: 2px; }

.container{ max-width:1240px; margin:0 auto; padding:0 20px; }

/* ---------- Top bar ---------- */
.topbar{
  background: var(--graphite);
  color:#cfdde0;
  font-size:13px;
}
.topbar .container{
  display:flex; gap:24px; flex-wrap:wrap;
  padding:8px 20px; justify-content:space-between; align-items:center;
}
.topbar a{ color:#cfdde0; }
.topbar a:hover{ color: var(--amber); }
.topbar-links{ display:flex; gap:20px; flex-wrap:wrap; }
.topbar-links span, .topbar-links a{ display:inline-flex; align-items:center; gap:6px; }

/* ---------- Header ---------- */
.site-header{
  background: linear-gradient(180deg, var(--deep-teal) 0%, var(--deep-teal-2) 100%);
  color:#fff;
  border-bottom:4px solid var(--amber);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 20px; gap:24px; flex-wrap:wrap;
}
.brand{ display:flex; align-items:center; gap:14px; }
.brand-badge{
  width:52px; height:52px; border-radius:50%;
  background: radial-gradient(circle at 35% 30%, var(--amber) 0%, var(--amber-dark) 70%);
  display:flex; align-items:center; justify-content:center;
  font-family:'Oswald',sans-serif; font-weight:700; font-size:20px; color:#231600;
  box-shadow: inset 0 -3px 6px rgba(0,0,0,.25), 0 2px 6px rgba(0,0,0,.3);
  flex-shrink:0;
}
.brand-text .name{ font-family:'Oswald',sans-serif; font-size:22px; letter-spacing:.03em; line-height:1.1; }
.brand-text .tag{ font-size:12.5px; color:#a9c8ce; letter-spacing:.04em; text-transform:uppercase; }

.search-form{ flex:1; max-width:460px; display:flex; }
.search-form input{
  flex:1; padding:11px 14px; border:none; border-radius:var(--radius) 0 0 var(--radius);
  font-size:14px; font-family:inherit;
}
.search-form button{
  background: var(--amber); border:none; padding:0 18px; border-radius:0 var(--radius) var(--radius) 0;
  cursor:pointer; font-weight:600; color:#231600;
}
.search-form button:hover{ background:var(--amber-dark); color:#fff; }

.header-cta{ display:flex; gap:10px; align-items:center; }
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 18px; border-radius:var(--radius); font-weight:600; font-size:14px;
  border:1px solid transparent; cursor:pointer; transition:.15s;
}
.btn-amber{ background:var(--amber); color:#231600; }
.btn-amber:hover{ background:var(--amber-dark); color:#fff; }
.btn-outline{ border-color:rgba(255,255,255,.4); color:#fff; }
.btn-outline:hover{ background:rgba(255,255,255,.12); }
.btn-teal{ background:var(--deep-teal); color:#fff; }
.btn-teal:hover{ background:var(--deep-teal-2); }
.btn-danger{ background:#B23A2E; color:#fff; }
.btn-sm{ padding:6px 12px; font-size:13px; }

/* ---------- Main nav ---------- */
.main-nav{ display:flex; align-items:center; gap:6px; flex:1; justify-content:center; }
.main-nav > a{
  padding:10px 14px; font-size:14.5px; font-weight:500; color:#e7f1f2; border-radius:var(--radius);
  border-bottom:2px solid transparent;
}
.main-nav > a:hover, .main-nav > a.active{ color:#fff; border-color:var(--amber); }
.nav-drop{ position:relative; }
.nav-drop > a{
  padding:10px 14px; font-size:14.5px; font-weight:500; color:#e7f1f2; border-radius:var(--radius);
  border-bottom:2px solid transparent; display:inline-flex; align-items:center; gap:4px;
}
.nav-drop > a:hover, .nav-drop > a.active{ color:#fff; border-color:var(--amber); }
.nav-drop .caret{ font-size:11px; }
.nav-drop-panel{
  position:absolute; top:100%; left:50%; transform:translateX(-50%);
  background:#fff; color:var(--ink); border-radius:var(--radius); box-shadow:0 16px 40px rgba(0,0,0,.22);
  padding:18px; width:560px; max-width:80vw; z-index:40;
  opacity:0; visibility:hidden; translate:0 6px; transition:.15s;
}
.nav-drop:hover .nav-drop-panel, .nav-drop:focus-within .nav-drop-panel{ opacity:1; visibility:visible; translate:0 0; }
.nav-drop-grid{ display:grid; grid-template-columns:1fr 1fr; gap:2px 18px; max-height:340px; overflow-y:auto; }
.nav-drop-grid a{ padding:7px 4px; font-size:13.5px; border-bottom:1px dashed var(--line); color:var(--ink); }
.nav-drop-grid a:hover{ color:var(--deep-teal); }
.nav-drop-all{ display:block; text-align:right; margin-top:10px; font-size:13px; font-weight:600; color:var(--deep-teal); }
@media(max-width:1000px){ .main-nav{ display:none; } }

/* ---------- Hamburger / mobile nav ---------- */
.hamburger{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.25);
  border-radius:var(--radius); cursor:pointer; padding:0 9px;
}
.hamburger span{ display:block; width:100%; height:2px; background:#fff; transition:.2s; }
.hamburger.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2){ opacity:0; }
.hamburger.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
@media(max-width:1000px){ .hamburger{ display:flex; } }

.mobile-nav{
  display:none; flex-direction:column; background:var(--graphite-2); border-top:1px solid rgba(255,255,255,.08);
}
.mobile-nav.open{ display:flex; }
.mobile-nav > a{ color:#e7f1f2; padding:14px 20px; font-size:15px; font-weight:500; border-bottom:1px solid rgba(255,255,255,.06); }
.mobile-nav > a:hover{ background:rgba(255,255,255,.05); }
.mobile-nav-cats{
  display:flex; flex-direction:column; max-height:260px; overflow-y:auto;
  background:rgba(0,0,0,.15); border-bottom:1px solid rgba(255,255,255,.06);
}
.mobile-nav-cats a{ color:#b9d3d7; padding:10px 32px; font-size:13.5px; border-bottom:1px solid rgba(255,255,255,.04); }
.mobile-nav-cats a:hover{ color:#fff; }
.mobile-nav-cta{ margin:14px 20px; background:var(--amber); color:#231600 !important; text-align:center; border-radius:var(--radius); font-weight:700; border-bottom:none !important; }

/* ---------- About / contact page components ---------- */
.about-grid{ display:grid; grid-template-columns:2fr 1fr; gap:36px; }
@media(max-width:800px){ .about-grid{ grid-template-columns:1fr; } }
.about-side{ display:flex; flex-direction:column; gap:14px; }
.stat-card-alt{ background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:18px; box-shadow:var(--shadow); }
.stat-card-alt b{ display:block; font-family:'Oswald',sans-serif; font-size:26px; color:var(--deep-teal); }
.stat-card-alt span{ font-size:13px; color:var(--ink-soft); }
.check-list{ list-style:none; margin:12px 0 0; padding:0; display:flex; flex-direction:column; gap:10px; }
.check-list li{ padding-left:26px; position:relative; font-size:14.5px; color:var(--ink); }
.check-list li::before{ content:"✓"; position:absolute; left:0; top:0; color:var(--flow-green); font-weight:700; }

.cta-strip{
  background:linear-gradient(120deg, var(--deep-teal), var(--deep-teal-2));
  border-radius:var(--radius); padding:34px 34px; color:#fff;
  display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
}
.cta-strip p{ color:#cfe1e4; margin:4px 0 0; }

.contact-grid{ display:grid; grid-template-columns:1fr 1.3fr; gap:22px; }
@media(max-width:760px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:12px; font-size:14.5px; }
.contact-list a{ color:var(--ink); }
.contact-list a:hover{ color:var(--deep-teal); }

/* ---------- Hero Slider ---------- */
.hero-slider{
  position:relative; overflow:hidden; color:#fff;
  background: linear-gradient(120deg, rgba(11,59,71,.96), rgba(15,76,92,.9));
}
.hero-slider::before{
  content:""; position:absolute; inset:0;
  background: repeating-linear-gradient(115deg, rgba(255,255,255,.035) 0 2px, transparent 2px 26px);
  pointer-events:none;
}
.hs-track{ display:flex; transition: transform .6s cubic-bezier(.65,0,.35,1); }
.hs-slide{
  flex:0 0 100%; display:grid; grid-template-columns:1fr 1fr; align-items:center;
  gap:30px; padding:54px 0 70px; min-height:1px;
}
@media(max-width:800px){ .hs-slide{ grid-template-columns:1fr; padding:40px 0 50px; } }
.hs-text{ position:relative; z-index:2; }
.hero-eyebrow{
  font-family:'JetBrains Mono',monospace; text-transform:uppercase; letter-spacing:.14em;
  font-size:12.5px; color:var(--amber); margin-bottom:14px;
}
.hs-text h1, .hs-text h2{ color:#fff; font-size:38px; margin-bottom:16px; line-height:1.15; }
.hs-text p{ max-width:520px; color:#cfe1e4; font-size:16px; margin-bottom:26px; }
.hs-visual{
  position:relative; z-index:2; display:flex; align-items:center; justify-content:center;
}
.hs-visual .frame{
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.14); border-radius:14px;
  padding:26px; width:100%; max-width:380px; aspect-ratio:1/1; display:flex; align-items:center; justify-content:center;
  box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.hs-visual .frame img{ width:100%; height:100%; object-fit:contain; filter:drop-shadow(0 10px 20px rgba(0,0,0,.35)); }
.hs-visual .ring{
  position:absolute; width:78%; aspect-ratio:1/1; border-radius:50%;
  border:2px dashed rgba(240,162,2,.35); z-index:1;
}
.hero-stats{ display:flex; gap:34px; margin-top:8px; flex-wrap:wrap; }
.hero-stats div b{ display:block; font-family:'Oswald',sans-serif; font-size:26px; color:var(--amber); }
.hero-stats div span{ font-size:12.5px; color:#b9d3d7; text-transform:uppercase; letter-spacing:.06em; }

.hs-nav{
  position:absolute; top:50%; transform:translateY(-50%); z-index:3;
  width:42px; height:42px; border-radius:50%; border:1px solid rgba(255,255,255,.3);
  background:rgba(255,255,255,.08); color:#fff; font-size:18px; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
}
.hs-nav:hover{ background:rgba(255,255,255,.18); }
.hs-prev{ left:16px; } .hs-next{ right:16px; }
@media(max-width:700px){ .hs-nav{ display:none; } }

.hs-dots{ position:absolute; bottom:18px; left:0; right:0; display:flex; gap:8px; justify-content:center; z-index:3; }
.hs-dot{ width:9px; height:9px; border-radius:50%; background:rgba(255,255,255,.35); border:none; cursor:pointer; padding:0; }
.hs-dot.active{ background:var(--amber); width:22px; border-radius:5px; }

/* ---------- Simple page hero (subpages) ---------- */
.page-hero{
  background: linear-gradient(120deg, rgba(11,59,71,.96), rgba(15,76,92,.9));
  color:#fff; padding:46px 0;
}
.page-hero h1{ color:#fff; font-size:32px; margin-bottom:10px; }
.page-hero p{ max-width:640px; color:#cfe1e4; font-size:15.5px; }
.page-search-form{ display:flex; max-width:520px; margin-top:18px; }
.page-search-form input{
  flex:1; padding:13px 16px; border:none; border-radius:var(--radius) 0 0 var(--radius); font-size:15px; font-family:inherit;
}
.page-search-form button{
  background:var(--amber); border:none; padding:0 22px; border-radius:0 var(--radius) var(--radius) 0;
  cursor:pointer; font-weight:600; color:#231600; font-size:14px;
}
.page-search-form button:hover{ background:var(--amber-dark); color:#fff; }

/* ---------- Section heading ---------- */
.section{ padding:44px 0; }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; margin-bottom:22px; gap:16px; flex-wrap:wrap; }
.section-head h2{ font-size:26px; position:relative; padding-left:16px; }
.section-head h2::before{
  content:""; position:absolute; left:0; top:4px; bottom:4px; width:5px; background:var(--amber); border-radius:2px;
}
.section-head .muted{ color:var(--ink-soft); font-size:14px; }

/* ---------- Category grid ---------- */
.cat-grid{ display:grid; grid-template-columns:repeat(auto-fill, minmax(230px,1fr)); gap:16px; }
.cat-card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  padding:18px; box-shadow:var(--shadow); position:relative; transition:.15s;
}
.cat-card:hover{ transform:translateY(-3px); border-color:var(--amber); }
.cat-card .idx{
  font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--amber-dark); font-weight:700;
}
.cat-card h3{ font-size:16px; margin:6px 0 10px; line-height:1.3; min-height:42px; }
.cat-card .count{ font-size:13px; color:var(--ink-soft); }

/* ---------- Product grid & card ---------- */
.product-grid{ display:grid; grid-template-columns:repeat(auto-fill, minmax(250px,1fr)); gap:20px; }
.p-card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  overflow:hidden; box-shadow:var(--shadow); display:flex; flex-direction:column;
  position:relative; transition:.15s;
}
.p-card:hover{ box-shadow:0 8px 22px rgba(11,59,71,.16); transform:translateY(-2px); }
.p-card .rivet{
  position:absolute; width:6px; height:6px; border-radius:50%;
  background:rgba(11,59,71,.18); top:8px; left:8px;
}
.p-card .rivet.tr{ left:auto; right:8px; }
.p-thumb{
  aspect-ratio:1/1; background:#eef2f1; display:flex; align-items:center; justify-content:center;
  border-bottom:1px solid var(--line); overflow:hidden;
}
.p-thumb img{ width:100%; height:100%; object-fit:contain; padding:10px; }
.p-thumb .no-img{ color:#9db0b3; font-size:13px; text-align:center; padding:20px; }
.p-body{ padding:14px 16px 16px; display:flex; flex-direction:column; gap:8px; flex:1; }
.p-code{
  font-family:'JetBrains Mono',monospace; font-weight:700; font-size:15px; color:var(--graphite);
  letter-spacing:.02em;
}
.p-cat{ font-size:12px; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.03em; }
.p-specs{ font-size:12px; color:var(--ink-soft); line-height:1.5; flex:1; }
.p-footer{ display:flex; align-items:center; justify-content:space-between; margin-top:auto; padding-top:8px; border-top:1px dashed var(--line); }
.p-price{ font-family:'Oswald',sans-serif; font-size:19px; color:var(--deep-teal); font-weight:600; }
.badge{
  display:inline-block; font-size:11px; font-weight:700; padding:3px 9px; border-radius:20px;
  text-transform:uppercase; letter-spacing:.03em;
}
.badge-ok{ background:rgba(46,139,119,.12); color:var(--flow-green); }
.badge-special{ background:rgba(240,162,2,.14); color:var(--amber-dark); }
.badge-out{ background:rgba(178,58,46,.12); color:#B23A2E; }

/* ---------- Toolbar (filters) ---------- */
.toolbar{
  display:flex; gap:12px; flex-wrap:wrap; align-items:center; margin-bottom:22px;
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:14px 16px;
}
.toolbar select, .toolbar input[type=text]{
  padding:9px 12px; border:1px solid var(--line); border-radius:var(--radius); font-family:inherit; font-size:14px;
}
.toolbar .result-count{ margin-left:auto; font-size:13px; color:var(--ink-soft); }

/* ---------- Product detail ---------- */
.p-detail{ display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:start; }
@media(max-width:800px){ .p-detail{ grid-template-columns:1fr; } }
.p-detail-img{
  background:#eef2f1; border:1px solid var(--line); border-radius:var(--radius); padding:24px;
  display:flex; align-items:center; justify-content:center; aspect-ratio:1/1;
}
.spec-table{ width:100%; border-collapse:collapse; margin-top:14px; font-size:14px; }
.spec-table td{ padding:9px 6px; border-bottom:1px solid var(--line); }
.spec-table td:first-child{ color:var(--ink-soft); width:40%; }
.spec-table td:last-child{ font-family:'JetBrains Mono',monospace; }
.breadcrumb{ font-size:13px; color:var(--ink-soft); margin-bottom:18px; }
.breadcrumb a:hover{ color:var(--deep-teal); }

/* ---------- Footer ---------- */
.site-footer{ background:var(--graphite); color:#c6d3d5; margin-top:40px; }
.footer-grid{ display:grid; grid-template-columns:2fr 1fr 1fr; gap:32px; padding:44px 0 24px; }
@media(max-width:760px){ .footer-grid{ grid-template-columns:1fr; } }
.site-footer h4{ color:#fff; font-size:15px; margin-bottom:14px; }
.site-footer a{ color:#c6d3d5; }
.site-footer a:hover{ color:var(--amber); }
.site-footer p, .site-footer li{ font-size:13.5px; line-height:1.9; }
.site-footer ul{ list-style:none; margin:0; padding:0; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.08); padding:16px 0; font-size:12.5px; color:#8ea3a6; text-align:center; }

/* ---------- WhatsApp float ---------- */
.wa-float{
  position:fixed; bottom:22px; right:22px; z-index:50;
  background:#25D366; color:#fff; width:56px; height:56px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; box-shadow:0 6px 18px rgba(0,0,0,.25);
  font-size:26px;
}
.wa-float:hover{ transform:scale(1.06); }

/* ---------- Pagination ---------- */
.pagination{ display:flex; gap:6px; justify-content:center; margin-top:30px; flex-wrap:wrap; }
.pagination a, .pagination span{
  padding:8px 13px; border:1px solid var(--line); border-radius:var(--radius); font-size:13px; background:#fff;
}
.pagination a:hover{ border-color:var(--amber); }
.pagination .current{ background:var(--deep-teal); color:#fff; border-color:var(--deep-teal); }

/* ---------- Empty state ---------- */
.empty-state{ text-align:center; padding:60px 20px; color:var(--ink-soft); }

/* ===================== ADMIN ===================== */
.admin-body{ background:#EEF2F1; font-family:'Inter',sans-serif; }
.admin-shell{ display:flex; min-height:100vh; }
.admin-side{
  width:230px; background:var(--graphite); color:#cfdde0; flex-shrink:0;
  padding:22px 0;
}
.admin-side .brand{ padding:0 20px 20px; border-bottom:1px solid rgba(255,255,255,.08); margin-bottom:14px; }
.admin-side .brand .name{ color:#fff; font-size:17px; }
.admin-nav a{
  display:flex; align-items:center; gap:10px; padding:11px 20px; font-size:14px; font-weight:500;
  border-left:3px solid transparent;
}
.admin-nav a:hover, .admin-nav a.active{ background:rgba(255,255,255,.06); border-color:var(--amber); color:#fff; }
.nav-badge{ background:var(--amber); color:#231600; font-size:11px; font-weight:700; padding:1px 7px; border-radius:20px; margin-left:4px; }
.admin-main{ flex:1; padding:26px 30px; max-width:1200px; }
.admin-topbar{ display:flex; justify-content:space-between; align-items:center; margin-bottom:22px; }
.card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:20px; box-shadow:var(--shadow); margin-bottom:20px; }
.stat-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:16px; margin-bottom:24px; }
.stat-card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:18px; box-shadow:var(--shadow); }
.stat-card b{ display:block; font-family:'Oswald',sans-serif; font-size:28px; color:var(--deep-teal); }
.stat-card span{ font-size:13px; color:var(--ink-soft); }

table.data{ width:100%; border-collapse:collapse; font-size:14px; }
table.data th{ text-align:left; padding:10px; background:#F5F7F6; border-bottom:2px solid var(--line); font-size:12.5px; text-transform:uppercase; letter-spacing:.03em; color:var(--ink-soft); }
table.data td{ padding:10px; border-bottom:1px solid var(--line); vertical-align:middle; }
table.data tr:hover td{ background:#FAFBFB; }
table.data img{ width:44px; height:44px; object-fit:contain; background:#eef2f1; border-radius:4px; }

.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media(max-width:700px){ .form-grid{ grid-template-columns:1fr; } }
.form-group{ margin-bottom:16px; }
.form-group label{ display:block; font-size:13px; font-weight:600; margin-bottom:6px; color:var(--graphite); }
.form-group input, .form-group select, .form-group textarea{
  width:100%; padding:10px 12px; border:1px solid var(--line); border-radius:var(--radius); font-family:inherit; font-size:14px;
}
.form-group textarea{ resize:vertical; min-height:90px; }
.form-actions{ display:flex; gap:10px; margin-top:10px; }

.login-wrap{ min-height:100vh; display:flex; align-items:center; justify-content:center; background:var(--graphite); }
.login-card{ background:#fff; padding:36px 34px; border-radius:var(--radius); width:100%; max-width:380px; box-shadow:0 20px 50px rgba(0,0,0,.35); }
.login-card h1{ font-size:20px; margin-bottom:4px; }
.login-card p.muted{ color:var(--ink-soft); font-size:13.5px; margin-bottom:20px; }

.alert{ padding:12px 14px; border-radius:var(--radius); font-size:14px; margin-bottom:16px; }
.alert-error{ background:#FBE9E7; color:#B23A2E; border:1px solid #F1C1BA; }
.alert-ok{ background:#E4F3EF; color:#1E6D5A; border:1px solid #BEE3D6; }

.pill-toggle{ display:inline-flex; align-items:center; gap:6px; padding:4px 10px; border-radius:20px; font-size:12px; font-weight:600; }