:root {
  --bg: #04060a;
  --panel: #0a0f17;
  --line: #1c2a3a;
  --text: #dbe4ee;
  --muted: #8494a8;
  --amber: #ffb833;
  --cyan: #5fd4f0;
  --green: #5fe08a;
  --red: #ff5a4d;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
}
#stars { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; }
a { color: var(--cyan); }
code, kbd { font-family: ui-monospace, Consolas, monospace; }

.top {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px clamp(16px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(4, 6, 10, .8);
  position: sticky; top: 0; backdrop-filter: blur(6px);
}
.brand { color: var(--amber); font-weight: 700; letter-spacing: .18em; }
.top nav { display: flex; flex-wrap: wrap; gap: 18px; }
.top nav a { color: var(--muted); text-decoration: none; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; }
.top nav a:hover { color: var(--text); }

main { max-width: 1080px; margin: 0 auto; padding: 0 16px 64px; }
section { padding: 56px 0 8px; }
h1 { font-size: clamp(36px, 7vw, 68px); line-height: 1.05; margin: 8px 0 16px; letter-spacing: .02em; }
h2 { font-size: 26px; margin: 0 0 16px; color: var(--amber); letter-spacing: .04em; }
h3 { font-size: 17px; margin: 0 0 6px; color: var(--cyan); }
.eyebrow { color: var(--muted); letter-spacing: .2em; font-size: 13px; text-transform: uppercase; margin: 0; }
.lead { font-size: 19px; max-width: 720px; color: #c3cfdc; }
.muted { color: var(--muted); }
.hero { padding-top: 88px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 12px; }
.status { font-size: 14px; color: var(--muted); }
.status.ok { color: var(--green); }
.status.bad { color: var(--red); }

.btn {
  display: inline-block; padding: 12px 22px; border: 1px solid var(--line); border-radius: 4px;
  color: var(--text); background: var(--panel); text-decoration: none; font: inherit; font-weight: 600;
  letter-spacing: .04em; cursor: pointer;
}
.btn:hover { border-color: var(--cyan); }
.btn.primary { background: var(--amber); border-color: var(--amber); color: #1a1204; }
.btn.primary:hover { filter: brightness(1.1); }
.btn[disabled] { opacity: .5; cursor: default; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.grid article { background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--cyan); padding: 18px; border-radius: 4px; }
.grid article p { margin: 0; color: #b9c5d3; font-size: 15px; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 32px clamp(16px, 4vw, 40px); margin-top: 56px; }
form { display: grid; gap: 14px; max-width: 440px; }
label { display: grid; gap: 6px; font-size: 14px; color: #b9c5d3; }
input {
  padding: 11px 12px; border: 1px solid var(--line); border-radius: 4px;
  background: #05080d; color: var(--text); font: inherit;
}
input:focus { outline: 2px solid var(--cyan); outline-offset: 1px; }
.msg { min-height: 1.4em; margin: 0; font-size: 14px; }
.msg.bad { color: var(--red); }
.msg.ok { color: var(--green); }

.dl { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.dl small { color: var(--muted); }

.keys { display: grid; gap: 10px; color: #b9c5d3; }
kbd {
  display: inline-block; min-width: 28px; padding: 2px 7px; margin-right: 3px; text-align: center;
  border: 1px solid var(--line); border-bottom-width: 3px; border-radius: 4px; background: var(--panel); color: var(--text);
}
footer { border-top: 1px solid var(--line); padding: 20px 16px; text-align: center; color: var(--muted); font-size: 13px; }
/* a hidden attributumot a display: grid szabalyok (form, label) felulirnak - ez visszaadja */
[hidden] { display: none !important; }