/* Uçuş Radarı sitesi — radar ekranı gibi koyu yeşil tek tema.
   Layout: tek sütun; üstte gezinme ve dil seçici, ana sayfada radar halkalı giriş bölümü. */
:root {
  --bg: #050d09;
  --surface: #0b1912;
  --surface-2: #10241a;
  --fg: #e3efe8;
  --muted: #8fa89a;
  --line: #1d3a2a;
  --accent: #5fe39a;
  --accent-strong: #8dffbf;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--font-body); font-size: 1rem; line-height: 1.6;
  padding-inline: 16px; padding-block: 0 48px;
}
img { max-width: 100%; }
a { color: var(--accent); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
[hidden] { display: none !important; }

.wrap { max-width: 46rem; margin: 0 auto; display: grid; gap: 32px; }

/* Üst gezinme */
.top {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px;
  padding-block: 18px; border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-weight: 700; }
.brand img { width: 30px; height: 30px; border-radius: 7px; }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; font-size: .92rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--fg); }
.lang { display: inline-flex; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; }
.lang button {
  font: 600 .8rem var(--font-body); color: var(--muted); background: none; border: 0;
  padding: 5px 11px; border-radius: 999px; cursor: pointer;
}
.lang button[aria-pressed="true"] { background: var(--surface-2); color: var(--accent); }

/* Ana sayfa girişi */
.hero {
  position: relative; overflow: hidden; display: grid; gap: 18px; justify-items: start;
  padding: 40px 24px; border: 1px solid var(--line); border-radius: 18px;
  background: radial-gradient(circle at 85% 20%, #133a25 0%, var(--surface) 55%);
}
.hero::before {
  content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; border-radius: 50%;
  background:
    radial-gradient(circle, transparent 0 69px, var(--line) 70px 71px, transparent 72px 139px,
                    var(--line) 140px 141px, transparent 142px 209px, var(--line) 210px 211px, transparent 212px);
  opacity: .9; pointer-events: none;
}
.hero > * { position: relative; }
.hero img.icon { width: 88px; height: 88px; border-radius: 20px; box-shadow: 0 0 0 1px var(--line), 0 10px 40px #00ff7a22; }
.eyebrow { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin: 0; }
h1 { font-size: clamp(2rem, 6vw, 2.9rem); line-height: 1.1; margin: 0; text-wrap: balance; }
.hero p.sub { font-size: 1.12rem; color: var(--muted); margin: 0; max-width: 34rem; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 12px;
  font-weight: 600; text-decoration: none; border: 1px solid var(--line); color: var(--fg); background: var(--surface-2);
}
.btn.primary { background: var(--accent); color: #04140b; border-color: var(--accent); }
.btn.primary:hover { background: var(--accent-strong); }
.note { font-size: .85rem; color: var(--muted); margin: 0; }

/* Özellikler */
h2 { font-size: 1.25rem; margin: 0; text-wrap: balance; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 12px; }
.feature { padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); display: grid; gap: 6px; align-content: start; }
.feature h3 { margin: 0; font-size: 1rem; }
.feature p { margin: 0; font-size: .92rem; color: var(--muted); }
.feature .tag { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .08em; color: var(--accent); text-transform: uppercase; }

/* Metin sayfaları */
article { display: grid; gap: 22px; }
section { display: grid; gap: 8px; }
p { margin: 0; }
ul, ol { margin: 0; padding-left: 1.2rem; display: grid; gap: 6px; }
.meta { color: var(--muted); font-size: .9rem; margin: 0; }
.lead { font-size: 1.08rem; margin: 0; padding: 18px 20px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; }
.table-box { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
table { border-collapse: collapse; width: 100%; min-width: 34rem; font-size: .92rem; }
th, td { text-align: left; vertical-align: top; padding: 10px 14px; border-bottom: 1px solid var(--line); }
th { font-family: var(--font-mono); font-weight: 500; font-size: .72rem; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
.contact { font-family: var(--font-mono); font-size: .95rem; user-select: all; }
details { border: 1px solid var(--line); border-radius: 12px; background: var(--surface); padding: 12px 16px; }
details summary { cursor: pointer; font-weight: 600; }
details p { margin-top: 8px; color: var(--muted); }

footer { color: var(--muted); font-size: .85rem; border-top: 1px solid var(--line); padding-top: 16px; display: grid; gap: 6px; }
footer nav { display: flex; flex-wrap: wrap; gap: 6px 16px; }
footer a { color: var(--muted); }