/* =====================================================================
   Bitmen Kft. — egységes stíluslap (style.css)
   Minden oldal ezt tölti be. Sötét téma az alapértelmezett,
   világos téma a html[data-theme="light"] felülírással.
   ===================================================================== */

:root{
  --bg: #0b1220;
  --card: #101a33;
  --text: #e9eefc;
  --muted: #b9c3e6;
  --accent: #66e3c4;
  --accent2: #8a92ff;
  --line: rgba(255,255,255,.10);
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --radius: 18px;
  --max: 1120px;
}

/* Tájékoztatja a böngészőt, hogy mindkét sémát támogatjuk
   (űrlapmezők, görgetősáv stb. helyes színezéséhez). */
html{ color-scheme: dark light; }

*{ box-sizing:border-box }
html,body{ height:100% }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 20% 0%, rgba(102,227,196,.12), transparent 60%),
    radial-gradient(700px 400px at 90% 10%, rgba(138,146,255,.12), transparent 55%),
    linear-gradient(180deg, #070b14, var(--bg));
  line-height: 1.55;
}

a{ color:inherit }

.wrap{ max-width:var(--max); margin:0 auto; padding:24px }

/* ===== Akadálymentesség: fókusz és "ugrás a tartalomra" ===== */
:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:0;
  z-index:50;
  padding:10px 14px;
  border-radius:0 0 12px 0;
  background: var(--accent);
  color:#04201a;
  font-weight:700;
  text-decoration:none;
}
.skip-link:focus{ left:0 }

/* ===== Fejléc / navigáció ===== */
header{
  position:sticky; top:0; z-index:5;
  backdrop-filter: blur(10px);
  background: rgba(7,11,20,.55);
  border-bottom: 1px solid var(--line);
}

.nav{
  display:flex; align-items:center; justify-content:space-between;
  gap:16px; flex-wrap:wrap;
}

.brand{
  display:flex; align-items:center; gap:12px; text-decoration:none;
}

.logo{
  width:40px; height:40px; border-radius:12px;
  background: linear-gradient(135deg, rgba(102,227,196,.95), rgba(138,146,255,.95));
  box-shadow: var(--shadow);
  flex: 0 0 auto;
}

.brand strong{ font-size:16px; letter-spacing:.2px }
.brand span{ display:block; font-size:12px; color:var(--muted) }

nav{ display:flex; gap:8px; flex-wrap:wrap; align-items:center }
nav a{
  text-decoration:none;
  padding:10px 12px;
  border-radius: 12px;
  color: var(--muted);
  border: 1px solid transparent;
}
nav a:hover{
  color: var(--text);
  border-color: var(--line);
  background: rgba(255,255,255,.04);
}
nav a[aria-current="page"]{
  color: var(--text);
  border-color: var(--line);
  background: rgba(255,255,255,.06);
}

/* ===== Kártyák ===== */
.card{
  background: rgba(16,26,51,.85);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

.hero{
  padding: 30px;
  overflow:hidden;
  position:relative;
}
.hero:after{
  content:"";
  position:absolute;
  inset:auto -120px -160px auto;
  width:340px;
  height:340px;
  border-radius:50%;
  background: radial-gradient(circle, rgba(102,227,196,.14), transparent 65%);
  pointer-events:none;
}

/* ===== Tipográfia ===== */
h1{
  margin:0 0 12px;
  font-size: 36px;
  line-height: 1.12;
  letter-spacing: .2px;
  max-width: 880px;
}
h2{ margin:0 0 10px; font-size:20px }
h3{ margin:0 0 8px; font-size:16px }
p{ margin:0 0 12px }

.lead{ color: var(--muted); font-size: 18px; margin:0 0 16px; max-width:900px }
.muted{ color: var(--muted) }
.small{ font-size:13px }

.eyebrow{
  display:inline-flex;
  gap:8px;
  align-items:center;
  color:var(--accent);
  border:1px solid rgba(102,227,196,.35);
  background:rgba(102,227,196,.08);
  border-radius:999px;
  padding:7px 10px;
  font-size:13px;
  margin-bottom:14px;
  font-weight:700;
}

/* ===== Chip-ek ===== */
.chips{ display:flex; flex-wrap:wrap; gap:10px; margin-top:16px }
.chip{
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 999px;
  font-size: 13px;
}

.tag{
  display:inline-block; border:1px solid var(--line);
  padding:6px 10px; border-radius:999px;
  color:var(--muted); background:rgba(255,255,255,.04); font-size:12px;
}

/* ===== Gombok ===== */
.ctaRow{ display:flex; gap:12px; flex-wrap:wrap; margin-top:18px }
.btn{
  display:inline-block;
  text-decoration:none;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
  font-weight: 700;
  cursor:pointer;
}
.btn.primary{
  background: rgba(102,227,196,.18);
  border-color: rgba(102,227,196,.45);
}
.btn:hover{ filter:brightness(1.05) }

/* ===== Szekciók és rácsok ===== */
.section{ margin-top:18px }

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.grid.two{ grid-template-columns: repeat(2, 1fr) }
.grid.four{ grid-template-columns: repeat(4, 1fr) }

.service{
  height:100%;
  box-shadow:none;
  background:rgba(255,255,255,.035);
}
.service strong{ display:block; margin-bottom:8px; color:var(--text) }

ul.clean{ margin:10px 0 0; padding-left:18px; color:var(--muted) }
ul.clean li{ margin:5px 0 }

.number{
  width:34px;
  height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background: rgba(102,227,196,.13);
  border:1px solid rgba(102,227,196,.32);
  color:var(--accent);
  font-weight:800;
  margin-bottom:10px;
}

.notice{
  border: 1px dashed rgba(255,255,255,.18);
  background: rgba(255,255,255,.03);
  border-radius: 14px;
  padding: 14px;
  color: var(--muted);
}

.highlight{
  border-left:4px solid var(--accent);
  padding-left:14px;
  color:var(--muted);
}

/* ===== Kulcs-érték táblázat ===== */
.kv{
  width:100%;
  border-collapse: collapse;
  font-size: 14px;
}
.kv td{
  border-top: 1px solid var(--line);
  padding: 10px 6px;
  vertical-align: top;
}
.kv tr:first-child td{ border-top:none }
.kv td:first-child{ color: var(--muted); width: 36% }

/* ===== Kódblokkok ===== */
pre, code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
pre{
  margin:12px 0 0;
  padding:12px;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  overflow:auto;
}

/* ===== Űrlapmezők (a kezdőlap kapcsolati űrlapjához) ===== */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:12px }
.field{ display:block }
.field + .field{ margin-top:12px }

input, textarea{
  width:100%;
  padding:12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font: inherit;
}
textarea{ resize:vertical }
input::placeholder, textarea::placeholder{ color:var(--muted) }

/* ===== Lábléc ===== */
footer{
  margin-top: 26px;
  padding: 18px 0 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

/* ===== Témaváltó gomb ===== */
.themeToggle{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
  cursor:pointer;
  user-select:none;
}
.themeToggle:hover{ filter:brightness(1.05) }
.themeToggle .label{ color:var(--muted); font-size:13px }

/* ===== Reszponzív ===== */
@media (max-width: 900px){
  .grid,
  .grid.two,
  .grid.four{ grid-template-columns:1fr }
  .form-grid{ grid-template-columns:1fr }
  h1{ font-size:28px }
  .hero{ padding:22px }
}

/* ===== Mozgáscsökkentés igénye ===== */
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important }
}

/* =====================================================================
   Világos téma
   ===================================================================== */
html[data-theme="light"]{
  --bg: #f2f4f8;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #4b5563;
  --accent: #0f766e;
  --accent2: #4338ca;
  --line: rgba(0,0,0,.12);
  --shadow: 0 10px 25px rgba(0,0,0,.10);
}

html[data-theme="light"] body{
  background:
    radial-gradient(900px 500px at 20% 0%, rgba(15,118,110,.10), transparent 60%),
    radial-gradient(700px 400px at 90% 10%, rgba(67,56,202,.08), transparent 55%),
    linear-gradient(180deg, #ffffff, #f2f4f8);
}

html[data-theme="light"] header{ background: rgba(255,255,255,.72) }
html[data-theme="light"] .card{ background: #ffffff }
html[data-theme="light"] .service{ background:#f9fafb }
html[data-theme="light"] .notice{ background: #f9fafb; border-color: rgba(0,0,0,.15) }
html[data-theme="light"] .chip{ background:#ffffff }

html[data-theme="light"] nav a{ color: #374151 }
html[data-theme="light"] nav a:hover,
html[data-theme="light"] nav a[aria-current="page"]{
  color: #111827;
  background: rgba(0,0,0,.04);
  border-color: rgba(0,0,0,.15);
}

html[data-theme="light"] .themeToggle{ background: #ffffff; border-color: rgba(0,0,0,.15) }

html[data-theme="light"] input,
html[data-theme="light"] textarea{
  background:#ffffff;
  border-color: rgba(0,0,0,.15);
  color:#111827;
}

html[data-theme="light"] .btn{
  background: #ffffff;
  border-color: rgba(0,0,0,.15);
  color: #111827;
}
html[data-theme="light"] .btn.primary{
  background: rgba(15,118,110,.12);
  border-color: rgba(15,118,110,.4);
  color: #065f5b;
}