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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', Arial, sans-serif;
  background: #fff;
  color: #1a1a1a;
  font-size: 14px;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }

/* Billentyűzetes fókusz: eddig sehol nem látszott, hol jár a Tab.
   A :focus-visible csak billentyűzetnél jelenik meg, egérkattintásnál nem. */
:focus-visible {
  outline: 2px solid #1a1a1a;
  outline-offset: 3px;
}

/* Sötét háttéren a fekete gyűrű nem látszana */
footer :focus-visible { outline-color: #ccc; }

/* —— HEADER —— */
.site-header {
  background: #fff;
  border-bottom: 1px solid #ddd;
  position: sticky;
  top: 0;
  z-index: 200;
  border-radius: 0 0 10px 10px;
  transition: background 0.4s, border-color 0.4s, box-shadow 0.4s, backdrop-filter 0.4s, -webkit-backdrop-filter 0.4s;
}

.site-header.glass {
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0.48) 0%,
    rgba(255,255,255,0.36) 40%,
    rgba(255,255,255,0.42) 100%
  );
  backdrop-filter: blur(9.5px) saturate(180%);
  -webkit-backdrop-filter: blur(9.5px) saturate(180%);
  border-bottom: 1px solid rgba(255,255,255,0.48);
  box-shadow:
    0 4px 24px rgba(0,0,0,0.06),
    0 1px 3px rgba(0,0,0,0.04),
    inset 0 1px 0 rgba(255,255,255,0.35),
    inset 0 -0.5px 0 rgba(0,0,0,0.03);
}

.header-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 120px;
  padding: 14px 48px;
  position: relative;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  color: #777;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s, transform 0.3s cubic-bezier(0.25,0.46,0.45,0.94);
  display: inline-block;
}

.nav-links a.active { color: #1a1a1a; }
.nav-links a.active:hover { border-bottom-color: transparent; }
.nav-links a:hover { color: #1a1a1a; }
.nav-links a:hover { transform: none; }

.logo-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
  /* left:50% korlátozná a rendelkezésre álló helyet a képernyő felére,
     ami idő előtti sortörést okozna — a max-content ezt oldja fel.
     A max-width helyet hagy a hamburger menünek. */
  width: max-content;
  max-width: calc(100% - 120px);
  transition: transform 0.3s cubic-bezier(0.25,0.46,0.45,0.94);
}

.logo-center:hover {
  transform: translateX(-50%) scale(1.012);
}

.logo-text {
  font-family: 'Lato', serif;
  font-size: 30px;
  font-weight: 400;
  letter-spacing: 0.88em;          /* 0.8em + 10% */
  text-transform: uppercase;
  color: #1a1a1a;
  /* A betűköz az utolsó betű után is térközt hagy — ezt ellensúlyozza,
     hogy a szöveg optikailag középen legyen. Mindig = −1 × letter-spacing. */
  margin-right: -0.88em;
  /* ~15%-kal vastagabb betűkép.
     Miért nem font-weight? A Lato csak 300/400/700 vágatban töltődik be,
     így a 460-as érték a 400-as vágatot rajzolná (mérve: azonos szélesség),
     a 700 pedig már ~75%-kal vastagabb lenne. A körvonal em-ben van megadva,
     ezért a betűmérettel együtt skálázódik. */
  -webkit-text-stroke: 0.017em currentColor;   /* mérve: ~15% több festék */
}

.logo-subtitle {
  font-size: 14px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-weight: 390;
  color: #555;
  margin-right: -0.3em;
}

.logo-spacer {
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-weight: 390;
  color: #666;
  margin-right: -0.3em;
}

.nav-left { display: flex; align-items: center; grid-column: 1; }
.nav-right { display: flex; justify-content: flex-end; align-items: center; grid-column: 3; }

/* —— BACK TO TOP (iOS Liquid Glass) —— */
.back-to-top {
  position: fixed;
  bottom: 32px;
  left: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  /* Nearly fully transparent — barely-there white tint */
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0.14) 0%,
    rgba(255,255,255,0.06) 50%,
    rgba(255,255,255,0.10) 100%
  );
  /* Real light refraction via SVG displacement + frost */
  backdrop-filter: url(#liquid-glass) blur(20px) saturate(180%) brightness(1.05);
  -webkit-backdrop-filter: blur(14px) saturate(180%) brightness(1.05);
  /* Hairline bright rim — the iOS "edge light" */
  border: 1px solid rgba(255,255,255,0.35);
  box-shadow:
    0 8px 32px rgba(0,0,0,0.12),
    0 2px 8px rgba(0,0,0,0.06),
    inset 0 1px 0 rgba(255,255,255,0.55),
    inset 0 -1px 0 rgba(255,255,255,0.12),
    inset 0 0 0 0.5px rgba(255,255,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s, transform 0.3s, box-shadow 0.3s, background 0.3s;
  z-index: 400;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

/* A láblécig érve a gomb rátakarna a copyright szövegre – ott elrejtjük.
   (A .visible után kell állnia, hogy azonos súllyal felülírja.) */
.back-to-top.at-footer {
  opacity: 0;
  pointer-events: none;
}

.back-to-top:hover {
  transform: translateY(-1.8px);
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0.20) 0%,
    rgba(255,255,255,0.10) 50%,
    rgba(255,255,255,0.16) 100%
  );
  box-shadow:
    0 12px 40px rgba(0,0,0,0.16),
    0 4px 12px rgba(0,0,0,0.08),
    inset 0 1px 0 rgba(255,255,255,0.7),
    inset 0 -1px 0 rgba(255,255,255,0.15),
    inset 0 0 0 0.5px rgba(255,255,255,0.35);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
  stroke: rgba(30,30,30,0.85);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 1px 1px rgba(255,255,255,0.8));
}

/* —— FOOTER —— */
footer {
  background: #111;
  color: #777;
  padding: 22px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  flex-wrap: wrap;
  gap: 10px;
  border-top: 1px solid #2a2a2a;
}

footer a { color: #666; }
footer a:hover { color: #ccc; }
.footer-links { display: flex; gap: 28px; }

/* Érintőfelület: a link csak 12px magas volt — nehéz eltalálni */
.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

/* —— HAMBURGER —— */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 300;
  align-items: center;
  /* Érintőfelület: a pöttyök 10px-esek, de az ujjnak min. 44px kell (Apple/Google ajánlás) */
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
}

.hamburger span {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1.5px solid #1a1a1a;
  background: transparent;
  transition: all 0.3s;
}

.hamburger.open span { border-color: #1a1a1a; background: #1a1a1a; }

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0.18) 0%,
    rgba(255,255,255,0.06) 40%,
    rgba(255,255,255,0.12) 100%
  );
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  z-index: 250;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow:
    0 4px 24px rgba(0,0,0,0.06),
    0 1px 3px rgba(0,0,0,0.04),
    inset 0 1px 0 rgba(255,255,255,0.35),
    inset 0 -0.5px 0 rgba(0,0,0,0.03);
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  font-size: 18px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  font-weight: 400;
  color: #333;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

.mobile-nav a:hover,
.mobile-nav a.active { border-bottom-color: #1a1a1a; color: #1a1a1a; }

/* —— PRIVACY MODAL —— */
.privacy-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.18);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 500;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.privacy-modal.open {
  display: flex;
}

.privacy-modal-content {
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0.72) 0%,
    rgba(255,255,255,0.58) 40%,
    rgba(255,255,255,0.65) 100%
  );
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.55);
  border-radius: 14px;
  max-width: 700px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 48px;
  position: relative;
  box-shadow:
    0 8px 40px rgba(0,0,0,0.10),
    0 2px 8px rgba(0,0,0,0.06),
    inset 0 1px 0 rgba(255,255,255,0.8),
    inset 0 -0.5px 0 rgba(0,0,0,0.03);
}

.privacy-modal-content h1 {
  font-size: 28px;
  font-weight: 300;
  margin-bottom: 24px;
  color: #1a1a1a;
}

.privacy-modal-content h2 {
  font-size: 16px;
  font-weight: 400;
  margin-top: 24px;
  margin-bottom: 12px;
  color: #1a1a1a;
}

.privacy-modal-content p {
  font-size: 13px;
  line-height: 1.8;
  color: #555;
  margin-bottom: 12px;
}

.privacy-close-btn {
  position: fixed;
  bottom: 32px;
  left: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0.48) 0%,
    rgba(255,255,255,0.36) 40%,
    rgba(255,255,255,0.42) 100%
  );
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.48);
  box-shadow:
    0 4px 24px rgba(0,0,0,0.10),
    0 1.5px 6px rgba(0,0,0,0.08),
    inset 0 1px 1px rgba(255,255,255,0.8),
    inset 0 -1px 1px rgba(0,0,0,0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.3s;
  z-index: 501;
}

.privacy-close-btn:hover {
  transform: translateY(-1.8px);
}

.privacy-close-btn svg {
  width: 18px;
  height: 18px;
  stroke: #1a1a1a;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transform: rotate(90deg);
}

/* —— RESPONSIVE: header/hamburger —— */
@media (max-width: 1080px) {
  .header-grid { padding: 14px 24px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
}

/* ═══ PRÓBA: asztali elrendezésű logó mobilon ═══════════════════════
   A logó eddig két sorba tört telefonon. Itt egy sorban marad, mint
   asztali nézetben — a betűméret és a betűköz zsugorodik helyette.
   700px a határ: 576–700 között az asztali betűköz mellett a logó
   már csak 5px-re lenne a hamburgertől, ezért ez a sáv is ide tartozik.

   A --ls változó azért kell, mert a margin-right-nak MINDIG pontosan
   −1 × letter-spacing értékűnek kell lennie (a betűköz az utolsó betű
   után is térközt hagy, ami balra tolná a szöveget). Így egy helyen
   van definiálva, és nem csúszhatnak szét.

   VISSZAVONÁS: töröld ezt a teljes blokkot. */
@media (max-width: 700px) {
  .logo-text {
    --ls: clamp(4.4px, calc((100vw - 300px) * 0.0605), 26.4px);   /* mind +10% */
    font-size: clamp(15px, calc((100vw - 160px) * 0.10), 30px);
    letter-spacing: var(--ls);
    margin-right: calc(-1 * var(--ls));
    white-space: nowrap;
  }

  .logo-subtitle {
    --ls: clamp(1.5px, calc((100vw - 300px) * 0.018), 4.2px);
    font-size: clamp(7px, calc((100vw - 160px) * 0.041), 14px);
    letter-spacing: var(--ls);
    margin-right: calc(-1 * var(--ls));
    white-space: nowrap;
  }
}
/* ═══ PRÓBA vége ════════════════════════════════════════════════════ */

/* —— RESPONSIVE: footer —— */
@media (max-width: 900px) {
  footer { padding: 18px 24px; flex-direction: column; align-items: flex-start; }
  .footer-links { flex-wrap: wrap; gap: 16px; }
}