:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --ink: #14181f;
  --ink-soft: #5c6672;
  --line: #e3e6ea;
  --brand: #c8102e;
  --brand-dark: #9c0b23;
  --ok: #0f7b45;
  --ok-soft: #e6f5ed;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 22, 30, .06), 0 8px 24px rgba(16, 22, 30, .06);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

.wrap { width: min(1180px, 92vw); margin: 0 auto; }

/* ---------- Ust bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px; gap: 20px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .14em; font-size: 18px; }
.logo .mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff; display: grid; place-items: center; font-size: 15px; letter-spacing: 0;
}
.nav { display: flex; align-items: center; gap: 22px; font-size: 14px; font-weight: 500; }
.nav a { color: var(--ink-soft); }
.nav a:hover, .nav a.active { color: var(--ink); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 999px; border: 1px solid transparent;
  font: inherit; font-size: 14px; font-weight: 600; cursor: pointer;
  background: var(--brand); color: #fff; transition: background .15s ease, opacity .15s ease;
}
.btn:hover { background: var(--brand-dark); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { background: #eef0f3; }
.btn.small { padding: 7px 14px; font-size: 13px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, #16181d 0%, #24272e 55%, #33161c 100%);
  color: #fff; padding: 58px 0 66px;
}
.hero h1 { margin: 0 0 12px; font-size: clamp(30px, 4.4vw, 46px); letter-spacing: -.02em; }
.hero p { margin: 0; max-width: 62ch; color: #c4c8cf; font-size: 16px; line-height: 1.6; }
.hero .stamp {
  display: inline-block; margin-bottom: 18px; padding: 6px 14px; border-radius: 999px;
  background: rgba(255,255,255,.1); font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
}

/* ---------- Bolum basligi ---------- */
.section { padding: 44px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 22px; flex-wrap: wrap; }
.section-head h2 { margin: 0; font-size: 24px; letter-spacing: -.01em; }
.section-head p { margin: 6px 0 0; color: var(--ink-soft); font-size: 14px; }

/* ---------- Model kartlari ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(272px, 1fr)); gap: 18px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .16s ease, box-shadow .16s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card .thumb { aspect-ratio: 16 / 9; display: grid; place-items: center; padding: 18px; }
.card .body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.card h3 { margin: 0; font-size: 19px; }
.card .meta { color: var(--ink-soft); font-size: 13px; }
.card .tag {
  align-self: flex-start; margin-top: 8px; padding: 4px 10px; border-radius: 999px;
  background: #f0f2f5; font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-soft);
}
.card .prices { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.card .link { margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--brand); }

/* ---------- Fiyat gosterimi ---------- */
.price-label { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
.price-list { font-size: 14px; color: var(--ink-soft); text-decoration: line-through; }
.price-campaign { font-size: 21px; font-weight: 700; color: var(--brand); letter-spacing: -.01em; }
.save {
  display: inline-block; margin-left: 8px; padding: 3px 9px; border-radius: 999px;
  background: var(--ok-soft); color: var(--ok); font-size: 12px; font-weight: 700; vertical-align: middle;
}

/* ---------- Tablo ---------- */
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; min-width: 720px; font-size: 14px; }
thead th {
  text-align: left; padding: 14px 18px; background: #fafbfc; border-bottom: 1px solid var(--line);
  font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); white-space: nowrap;
}
tbody td { padding: 14px 18px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fafbfc; }
td.num, th.num { text-align: right; white-space: nowrap; }
tr.group-row td {
  background: #f3f4f6; font-weight: 700; letter-spacing: .02em;
  border-bottom: 1px solid var(--line);
}
tr.group-row a { color: var(--brand); font-size: 13px; font-weight: 600; }

/* ---------- Model detay ---------- */
.crumbs { padding: 20px 0 0; font-size: 13px; color: var(--ink-soft); }
.crumbs a:hover { color: var(--ink); }
.model-hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 34px; align-items: center; padding: 26px 0 40px; }
.model-hero h1 { margin: 8px 0 10px; font-size: clamp(30px, 4vw, 44px); letter-spacing: -.02em; }
.model-hero .lead { color: var(--ink-soft); font-size: 16px; line-height: 1.6; margin: 0 0 22px; }
.specs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.specs span { padding: 7px 14px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); font-size: 13px; }
.startbox { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; display: inline-block; }
.visual { border-radius: var(--radius); padding: 26px; display: grid; place-items: center; }

.version-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 18px; }
.version-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; }
.version-card.best { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand); }
.version-card h3 { margin: 0 0 4px; font-size: 18px; }
.version-card .badge {
  align-self: flex-start; margin-bottom: 10px; padding: 3px 10px; border-radius: 999px;
  background: var(--brand); color: #fff; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.version-card dl { margin: 12px 0 18px; display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; font-size: 14px; }
.version-card dt { color: var(--ink-soft); }
.version-card dd { margin: 0; text-align: right; font-weight: 500; }
.version-card .price-row { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }

/* ---------- Admin ---------- */
.admin-bar {
  position: sticky; top: 66px; z-index: 10; background: var(--surface);
  border-bottom: 1px solid var(--line); padding: 14px 0;
}
.admin-bar .wrap { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.admin-bar .spacer { flex: 1; }
.field { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-soft); }
input[type="number"], input[type="password"], input[type="text"] {
  font: inherit; font-size: 14px; padding: 9px 12px;
  border: 1px solid var(--line); border-radius: 9px; background: var(--surface); color: var(--ink);
}
input:focus { outline: 2px solid var(--brand); outline-offset: -1px; }
input.price-input { width: 138px; text-align: right; font-variant-numeric: tabular-nums; }
input.dirty { border-color: var(--brand); background: #fff5f6; }
.admin-table td { padding: 10px 18px; }
.admin-table .model-row td { background: #f3f4f6; }
.admin-table .model-row .name { font-weight: 700; font-size: 15px; }
.admin-table .vname { padding-left: 34px; }
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: #fff; padding: 12px 22px; border-radius: 999px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; z-index: 50;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { background: var(--brand-dark); }
.gate { max-width: 420px; margin: 80px auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.gate h2 { margin: 0 0 8px; font-size: 20px; }
.gate p { margin: 0 0 20px; color: var(--ink-soft); font-size: 14px; }
.gate form { display: flex; gap: 10px; }
.gate input { flex: 1; }
.hint { color: var(--ink-soft); font-size: 13px; }

/* ---------- Alt bilgi ---------- */
footer { background: #16181d; color: #9aa1ab; padding: 34px 0; margin-top: 40px; font-size: 13px; line-height: 1.7; }
footer strong { color: #fff; }
footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

.empty { padding: 40px; text-align: center; color: var(--ink-soft); }

@media (max-width: 820px) {
  .model-hero { grid-template-columns: 1fr; }
  .nav { gap: 14px; font-size: 13px; }
  .topbar .wrap { height: 60px; }
  .admin-bar { top: 60px; }
}