/* EKYS Donanım web sitesi — tek stil dosyası. Renkler: sakin petrol; mor yok. Harici yazı tipi yok (CSP + gizlilik). */
:root {
  --bg: #f5f4ef; --surface: #ffffff; --surface-2: #eef0ec; --ink: #1b2427; --ink-2: #4b585d; --ink-3: #6f7d82;
  --line: #dde2df; --accent: #0e6767; --accent-ink: #ffffff; --accent-soft: #dcefed; --warn-soft: #fbefd6; --warn-line: #e8c98a;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101617; --surface: #172022; --surface-2: #1e292b; --ink: #e4ebea; --ink-2: #a9b6b6; --ink-3: #84928f;
    --line: #2a3537; --accent: #5bbab2; --accent-ink: #0d1f1e; --accent-soft: #153234; --warn-soft: #30261a; --warn-line: #5e4a26;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }
.atla { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 12px; border-radius: 8px; z-index: 5; }
.atla:focus { left: 8px; }
.kap { max-width: 780px; margin: 0 auto; padding-left: max(18px, env(safe-area-inset-left)); padding-right: max(18px, env(safe-area-inset-right)); }
header.ust { border-bottom: 1px solid var(--line); background: var(--surface); }
header.ust .kap { display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; }
.marka { font-weight: 800; letter-spacing: .02em; color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: 10px; }
.marka i { width: 30px; height: 30px; border-radius: 8px; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-style: normal; font-weight: 800; }
nav.menu { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 15px; }
nav.menu a { color: var(--ink-2); text-decoration: none; padding: 4px 0; }
nav.menu a:hover, nav.menu a[aria-current] { color: var(--accent); }
main { padding-top: 34px; padding-bottom: 56px; }
h1 { font-size: clamp(28px, 6vw, 38px); line-height: 1.15; margin: 0 0 10px; letter-spacing: -.01em; }
h2 { font-size: 22px; line-height: 1.25; margin: 36px 0 10px; scroll-margin-top: 16px; }
p, li { color: var(--ink); }
.tarih { color: var(--ink-3); font-size: 14px; margin: 0 0 22px; }
.ozet-kutu { background: var(--accent-soft); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin: 0 0 22px; }
.icindekiler { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin: 0 0 8px; font-size: 15px; }
.icindekiler ol { margin: 8px 0 0; padding-left: 20px; columns: 2; column-gap: 28px; }
.icindekiler li { margin: 2px 0; break-inside: avoid; }
.uyari { background: var(--warn-soft); border: 1px solid var(--warn-line); border-radius: 12px; padding: 14px 16px; }
table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 15px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-top: 1px solid var(--line); }
thead th { border-top: 0; background: var(--surface-2); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); }
ol.adim { padding-left: 22px; }
ol.adim li { margin: 8px 0; }
.kahraman { padding: 18px 0 8px; }
.kahraman p.alt { font-size: 19px; color: var(--ink-2); max-width: 36em; }
.kutular { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 24px 0; }
.kutu { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.kutu h3 { margin: 0 0 6px; font-size: 17px; }
.kutu p { margin: 0; color: var(--ink-2); font-size: 15px; }
.not { color: var(--ink-3); font-size: 14px; }
footer.alt { border-top: 1px solid var(--line); background: var(--surface); color: var(--ink-3); font-size: 14px; }
footer.alt .kap { padding-top: 20px; padding-bottom: 28px; }
footer.alt p { margin: 6px 0; color: var(--ink-3); }
@media (max-width: 640px) {
  body { font-size: 16px; }
  .icindekiler ol { columns: 1; }
  table, thead, tbody, tr, th, td { display: block; }
  thead { position: absolute; left: -9999px; }
  tr { border-top: 1px solid var(--line); padding: 8px 0; }
  tr:first-child { border-top: 0; }
  td { border: 0; padding: 4px 12px; }
  td::before { content: attr(data-s) ": "; font-weight: 700; color: var(--ink-3); font-size: 13px; text-transform: uppercase; letter-spacing: .03em; display: block; }
}