/* ============================================================
   zsolti.hu · modern tech/stúdió design rendszer
   Világos alapértelmezett + sötét mód, üveg-kártyák, mesh háttér
   ============================================================ */

:root {
  --bg: #f2f6fb;
  --card: rgba(255, 255, 255, .78);
  --card-solid: #ffffff;
  --glass: rgba(255, 255, 255, .62);
  --text: #0e1a2e;
  --muted: #55637c;
  --accent: #0da06a;
  --accent-soft: rgba(13, 160, 106, .12);
  --accent-2: #2f6fed;
  --accent-2-soft: rgba(47, 111, 237, .1);
  --border: rgba(14, 26, 46, .1);
  --border-strong: rgba(14, 26, 46, .16);
  --grid-dot: rgba(14, 26, 46, .08);
  --glow-green: rgba(13, 160, 106, .16);
  --glow-blue: rgba(47, 111, 237, .14);
  --shadow: 0 10px 34px rgba(14, 26, 46, .09);
  --shadow-lg: 0 22px 60px rgba(14, 26, 46, .16);
  --term-bg: #0d1524;
  --term-text: #d7e2f2;
  --term-green: #2ec28c;
  --term-blue: #5a9bff;
  --term-dim: #64748b;
  --header-h: 72px;
  --radius: 20px;
  --radius-sm: 14px;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --font-display: "Sora", "Inter", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Consolas, "Courier New", monospace;
  --container: 1160px;
}

[data-theme="dark"] {
  --bg: #090e18;
  --card: rgba(19, 27, 42, .72);
  --card-solid: #131b2a;
  --glass: rgba(19, 27, 42, .55);
  --text: #e8edf6;
  --muted: #93a2b8;
  --accent: #2ec28c;
  --accent-soft: rgba(46, 194, 140, .13);
  --accent-2: #5a9bff;
  --accent-2-soft: rgba(90, 155, 255, .12);
  --border: rgba(232, 237, 246, .1);
  --border-strong: rgba(232, 237, 246, .18);
  --grid-dot: rgba(232, 237, 246, .06);
  --glow-green: rgba(46, 194, 140, .13);
  --glow-blue: rgba(90, 155, 255, .12);
  --shadow: 0 10px 34px rgba(0, 0, 0, .4);
  --shadow-lg: 0 22px 60px rgba(0, 0, 0, .55);
  color-scheme: dark;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(1100px 520px at 8% -6%, var(--glow-blue), transparent 60%),
    radial-gradient(950px 480px at 96% 8%, var(--glow-green), transparent 60%),
    radial-gradient(900px 500px at 50% 115%, var(--glow-blue), transparent 65%),
    var(--bg);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(var(--grid-dot) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; }

.mono { font-family: var(--font-mono); }

/* ---------- Fejléc ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--glass);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: .6rem;
}

.brand:hover { text-decoration: none; }

.brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 10px;
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: -.02em;
  background: linear-gradient(100deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: .25rem;
  align-items: center;
}

.main-nav a {
  display: inline-block;
  padding: .5rem .85rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: .92rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background .2s ease, color .2s ease;
}

.main-nav a:hover {
  background: var(--accent-2-soft);
  color: var(--text);
  text-decoration: none;
}

.main-nav a.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.main-nav a.nav-cta {
  background: linear-gradient(100deg, var(--accent-2), var(--accent));
  color: #fff;
  box-shadow: 0 6px 16px rgba(47, 111, 237, .25);
}

.main-nav a.nav-cta:hover {
  background: linear-gradient(100deg, var(--accent-2), var(--accent));
  filter: brightness(1.08);
}

/* Téma kapcsoló */

.theme-toggle-item { display: flex; align-items: center; margin-left: .25rem; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .45rem .9rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--card);
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
  font-size: .88rem;
  font-weight: 600;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.theme-toggle:hover { background: var(--accent-2-soft); color: var(--text); }

.theme-toggle svg { width: 16px; height: 16px; display: block; }

.theme-toggle .icon-sun { display: block; }
.theme-toggle .icon-moon { display: none; }
.theme-toggle .theme-label-dark { display: none; }

[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .theme-label-light { display: none; }
[data-theme="dark"] .theme-toggle .theme-label-dark { display: inline; }

.theme-toggle-mobile {
  display: none;
  border: none;
  background: none;
  padding: .5rem;
  color: var(--text);
  cursor: pointer;
}

.theme-toggle-mobile svg { width: 20px; height: 20px; }

/* Mobil menü (checkbox-hack) */

.nav-toggle { display: none; }

.nav-toggle-label {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: .5rem;
}

.nav-toggle-label span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}

.nav-toggle:checked ~ .nav-toggle-label span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle:checked ~ .nav-toggle-label span:nth-child(2) { opacity: 0; }
.nav-toggle:checked ~ .nav-toggle-label span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Fő tartalom ---------- */

.site-main { flex: 1; width: 100%; position: relative; z-index: 1; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
}

/* Szekció fejléc minták */

.section-label {
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.2;
  margin-top: .5rem;
}

.section-lead {
  color: var(--muted);
  max-width: 40rem;
  margin-top: .8rem;
}

.section-head { margin-bottom: 1.5rem; }

/* ---------- Hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 3.5rem;
  align-items: center;
  padding: 4.5rem 1.25rem 3.25rem;
  max-width: var(--container);
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: .4rem .95rem;
  margin-bottom: 1.4rem;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--glow-green); opacity: 1; }
  50% { box-shadow: 0 0 0 6px transparent; opacity: .7; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 5.2vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.08;
}

.hero h1 .grad {
  background: linear-gradient(100deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  margin-top: 1.15rem;
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 33rem;
  line-height: 1.65;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.25rem;
  margin-top: 2.6rem;
  padding-top: 1.9rem;
  border-top: 1px solid var(--border);
}

.stat .stat-num {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -.02em;
  background: linear-gradient(100deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

.stat .stat-label {
  display: block;
  margin-top: .35rem;
  font-size: .85rem;
  color: var(--muted);
}

/* Terminál */

.terminal {
  background: var(--term-bg);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  font-family: var(--font-mono);
  animation: fade-up .8s ease both;
  position: relative;
}

.terminal::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  box-shadow: 0 0 90px var(--glow-blue), 0 0 60px var(--glow-green);
  opacity: .35;
  pointer-events: none;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .8rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  background: rgba(255, 255, 255, .04);
}

.terminal-bar .t-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.t-dot.red { background: #ff5f57; }
.t-dot.yellow { background: #febc2e; }
.t-dot.green { background: #28c840; }

.terminal-bar .t-title {
  margin-left: .5rem;
  font-size: .78rem;
  color: var(--term-dim);
}

.terminal-body {
  padding: 1.4rem 1.3rem 1.6rem;
  font-size: .86rem;
  line-height: 1.9;
  min-height: 262px;
}

.t-line { white-space: pre-wrap; word-break: break-word; }
.t-prompt { color: var(--term-green); font-weight: 600; }
.t-ok { color: var(--term-blue); }
.t-dim { color: var(--term-dim); }
.t-err { color: #ff7a6b; }

.t-cursor {
  display: inline-block;
  width: 9px;
  height: 1.1em;
  margin-left: 3px;
  vertical-align: text-bottom;
  background: var(--term-green);
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

/* ---------- Gombok ---------- */

.btn {
  display: inline-block;
  padding: .8rem 1.6rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  background: linear-gradient(100deg, var(--accent-2), var(--accent));
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
  font-family: inherit;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
  box-shadow: 0 8px 20px rgba(47, 111, 237, .22);
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(47, 111, 237, .3);
  filter: brightness(1.05);
}

.btn-outline {
  background: var(--card);
  border-color: var(--border-strong);
  color: var(--text);
  box-shadow: none;
}

.btn-outline:hover {
  background: var(--accent-2-soft);
  border-color: var(--accent-2);
  color: var(--accent-2);
  box-shadow: none;
}

/* ---------- Szolgáltatások ---------- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 1.1rem;
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.5rem 1.35rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  color: var(--text);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
  text-decoration: none;
}

.service-icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-2-soft), var(--accent-soft));
  border: 1px solid var(--border);
  color: var(--accent);
}

.service-icon svg { width: 23px; height: 23px; }

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.service-card p {
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.55;
  flex: 1;
}

/* ---------- Folyamat ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  counter-reset: step;
}

.step-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.6rem 1.4rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.step-num {
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--accent);
}

.step-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin: .55rem 0 .4rem;
}

.step-card p { color: var(--muted); font-size: .92rem; line-height: 1.6; }

/* ---------- Referenciák ---------- */

.ref-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.browser-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
  display: flex;
  flex-direction: column;
  color: var(--text);
}

.browser-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .65rem .9rem;
  border-bottom: 1px solid var(--border);
  background: var(--accent-2-soft);
}

.browser-bar .b-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--border-strong);
}

.browser-bar .b-url {
  flex: 1;
  margin-left: .45rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--muted);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .2rem .7rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.browser-img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  object-position: top;
  transition: transform .5s ease;
}

.browser-card:hover .browser-img { transform: scale(1.04); }

.browser-info { padding: 1rem 1.1rem 1.15rem; }

.browser-info h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}

.browser-info p {
  color: var(--muted);
  font-size: .85rem;
  margin-top: .3rem;
}

.browser-info .mono {
  display: inline-block;
  margin-top: .6rem;
  font-size: .78rem;
  font-weight: 600;
  color: var(--accent-2);
}

/* ---------- Belső oldalak ---------- */

.page-head { margin-bottom: 2rem; }

.page-head h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin-top: .5rem;
}

.page-head h1 .grad {
  background: linear-gradient(100deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-head .lead { color: var(--muted); max-width: 42rem; margin-top: .9rem; }

.page-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem 2.25rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: fade-up .6s ease both;
}

.page-card p { line-height: 1.75; margin-bottom: 1rem; }
.page-card p:last-child { margin-bottom: 0; }

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 2.1rem 0 .8rem;
}

.prose h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 1.5rem 0 .45rem;
}

.prose ul, .prose ol {
  margin: 0 0 1rem 1.2rem;
  line-height: 1.75;
}

.prose li { margin-bottom: .35rem; }
.prose li::marker { color: var(--accent); }
.prose strong { font-weight: 700; }

/* Chip-ek */

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1rem 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 600;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: .35rem .8rem;
}

.chip .emoji { font-size: .9rem; }

/* Spec kártyák (Mivel nyomom?) */

.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.spec-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.spec-card .spec-head {
  padding: .9rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--accent-2-soft);
  display: flex;
  align-items: center;
  gap: .6rem;
}

.spec-card .spec-head .spec-icon { color: var(--accent-2); width: 18px; height: 18px; }

.spec-card .spec-head h2 {
  font-family: var(--font-mono);
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text);
}

.spec-list { list-style: none; padding: .4rem 0; }

.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .6rem 1.25rem;
  font-size: .92rem;
  border-bottom: 1px solid var(--border);
}

.spec-list li:last-child { border-bottom: none; }

.spec-list .spec-key { color: var(--muted); white-space: nowrap; }
.spec-list .spec-val { font-weight: 600; text-align: right; }

/* ---------- Kapcsolati űrlap ---------- */

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 1.25rem;
  align-items: start;
}

.contact-info {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.6rem 1.5rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: .9rem;
}

.contact-info ul { list-style: none; }

.contact-info li {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  padding: .55rem 0;
  font-size: .93rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

.contact-info li:last-child { border-bottom: none; }

.contact-info li svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--accent);
  margin-top: .2rem;
}

.contact-form { margin-top: 0; }

.form-field { margin-bottom: 1.05rem; }

.form-field label {
  display: block;
  font-weight: 600;
  font-size: .88rem;
  margin-bottom: .4rem;
}

.form-field label .mono {
  font-size: .72rem;
  color: var(--muted);
  font-weight: 400;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: .72rem .95rem;
  border: 1px solid var(--border-strong);
  border-radius: 11px;
  background: var(--card);
  color: var(--text);
  font: inherit;
  font-size: .95rem;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.form-field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 55%, calc(100% - 15px) 55%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px var(--accent-2-soft);
}

.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-message {
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
}

.form-message strong { display: block; margin-bottom: .3rem; }
.form-message p { margin-bottom: 0; }

.form-success {
  background: var(--accent-soft);
  border: 1px solid var(--accent);
}

.form-success strong { color: var(--accent); }

.form-error {
  background: rgba(220, 80, 60, .08);
  border: 1px solid rgba(220, 80, 60, .35);
}

.form-error strong { color: #c04a38; }

.form-message ul { margin: .4rem 0 0 1.1rem; font-size: .9rem; }

[data-theme="dark"] .form-error strong { color: #e88272; }

/* ---------- 404 ---------- */

.error-page {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.25rem;
}

.error-card {
  text-align: center;
  max-width: 560px;
}

.error-code {
  font-family: var(--font-mono);
  font-size: clamp(3.2rem, 10vw, 5.2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  background: linear-gradient(100deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.error-card h1 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  margin: 1rem 0 .6rem;
}

.error-card p { color: var(--muted); margin-bottom: 1.75rem; }

.error-card .term-hint {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--muted);
  margin-top: 1.75rem;
}

/* ---------- Lightbox ---------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(6, 10, 18, .93);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}

.lightbox.open { opacity: 1; pointer-events: auto; }

.lightbox figure { text-align: center; max-width: min(92vw, 1100px); }

.lightbox-img {
  max-width: 100%;
  max-height: 78vh;
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
}

.lightbox-caption { color: #fff; margin-top: 1rem; font-size: .95rem; }

.lightbox-counter {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, .75);
  font-size: .85rem;
  font-family: var(--font-mono);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: fixed;
  background: rgba(255, 255, 255, .12);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover { background: rgba(255, 255, 255, .28); }

.lightbox-close {
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  font-size: 1.7rem;
  line-height: 1;
}

.lightbox-prev,
.lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  font-size: 1.2rem;
}

.lightbox-prev { left: 1.25rem; }
.lightbox-next { right: 1.25rem; }

/* ---------- Süti banner ---------- */

.cookie-banner {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 90;
  width: min(680px, calc(100vw - 2rem));
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 1.1rem 1.25rem;
}

.cookie-banner[hidden] { display: none; }

.cookie-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.cookie-banner p {
  flex: 1 1 300px;
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

.cookie-actions { display: flex; gap: .6rem; flex-wrap: wrap; }

.cookie-settings {
  position: fixed;
  bottom: 1.25rem;
  left: 1.25rem;
  z-index: 90;
  border: 1px solid var(--border-strong);
  background: var(--card-solid);
  color: var(--muted);
  border-radius: 999px;
  padding: .5rem .95rem;
  font-size: .8rem;
  font-family: inherit;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: color .2s ease, box-shadow .2s ease;
}

.cookie-settings[hidden] { display: none; }
.cookie-settings:hover { color: var(--text); }

/* ---------- Lábléc ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  margin-top: 3rem;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 2.75rem 1.25rem 2rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.25rem;
}

.footer-col h3 {
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .85rem;
}

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: .5rem; }

.footer-col a {
  color: var(--muted);
  font-size: .92rem;
  transition: color .2s ease;
}

.footer-col a:hover { color: var(--accent); text-decoration: none; }

.footer-desc {
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.6;
  margin-top: .9rem;
  max-width: 20rem;
}

.footer-brand .mono {
  font-size: .8rem;
  color: var(--accent);
  margin-top: .55rem;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1.15rem 1.25rem;
  text-align: center;
  font-size: .84rem;
  color: var(--muted);
}

.footer-bottom a { color: var(--accent); }

/* ---------- Animációk ---------- */

@keyframes fade-up {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .65s ease, transform .65s ease;
}

.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Reszponzív ---------- */

@media (max-width: 1020px) {
  .hero { grid-template-columns: 1fr; gap: 2.5rem; padding-top: 2.5rem; }
  .terminal-body { min-height: 0; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 820px) {
  .nav-toggle-label { display: flex; }

  .main-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--card-solid);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }

  .nav-toggle:checked ~ .main-nav { max-height: 460px; }

  .theme-toggle-mobile { display: inline-flex; }
  .theme-toggle-item { display: none; }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: .75rem 1.25rem 1rem;
    gap: .25rem;
  }

  .main-nav a { display: block; padding: .7rem .9rem; }

  .steps { grid-template-columns: 1fr; }
  .ref-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .contact-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .footer-inner { grid-template-columns: 1fr; gap: 1.75rem; }
  .hero-stats { gap: 1.5rem; }
  .cta-row .btn { width: 100%; text-align: center; }
  .cookie-actions { width: 100%; }
  .cookie-actions .btn { flex: 1; text-align: center; }
  .page-card { padding: 1.75rem 1.25rem; }
  .lightbox-prev { left: .6rem; }
  .lightbox-next { right: .6rem; }
}