/* =========================================================================
   LB DETAILING — Design tokens
   ========================================================================= */
:root {
  /* Brand colors — sampled directly from the logo & business card files */
  --color-primary: #280136;        /* mély sötétlila (logó alap) */
  --color-primary-dark: #1c0227;   /* köztes átmeneti árnyalat */
  --color-near-black: #0e0c1d;     /* névjegykártya háttere (sampled) */
  --color-elevated: #150822;       /* kártyák / szekció-váltás felület */

  --color-text: #f6f3f8;
  --color-text-muted: #b6a5c2;
  --color-text-faint: #7d6d8a;

  --color-accent: #9a4dc7;         /* visszafogott lila akcentus */
  --color-accent-soft: rgba(154, 77, 199, 0.14);
  --color-accent-line: rgba(154, 77, 199, 0.35);

  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.16);

  --font-display: 'Outfit', 'Arial Rounded MT Bold', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-pill: 999px;

  --container-width: 1180px;
  --section-pad: clamp(4rem, 8vw, 8rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* =========================================================================
   Reset
   ========================================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-primary);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-accent);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 999;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* Subtle "network" texture used as a background accent on dark sections */
.hero__bg,
.about,
.why {
  position: relative;
}
.hero__bg::after,
.about::before,
.why::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.18) 0, transparent 60%),
    radial-gradient(1px 1px at 80% 10%, rgba(255,255,255,0.14) 0, transparent 60%),
    radial-gradient(1px 1px at 40% 70%, rgba(255,255,255,0.12) 0, transparent 60%),
    radial-gradient(1px 1px at 65% 45%, rgba(255,255,255,0.16) 0, transparent 60%),
    radial-gradient(1px 1px at 25% 85%, rgba(255,255,255,0.1) 0, transparent 60%),
    linear-gradient(110deg, transparent 48%, rgba(154,77,199,0.06) 49%, transparent 50%);
  background-size: 100% 100%;
}

/* =========================================================================
   Layout helpers
   ========================================================================= */
.section-inner {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--section-pad) 1.75rem;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.section-heading {
  margin-bottom: 3rem;
}
.section-heading h2 {
  margin-top: 0.75rem;
  font-size: clamp(2rem, 4vw, 3rem);
}

/* Reveal-on-scroll */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================================
   Buttons
   ========================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 2rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.3s var(--ease);
}
.btn--primary {
  background: var(--color-text);
  color: var(--color-primary-dark);
}
.btn--primary:hover {
  transform: translateY(-3px);
  background: #fff;
  box-shadow: 0 12px 30px -8px rgba(154, 77, 199, 0.55);
}
.btn--primary:active { transform: translateY(-1px) scale(0.98); }

.btn--ghost {
  border-color: var(--color-border-strong);
  color: var(--color-text);
}
.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px -10px rgba(154, 77, 199, 0.35);
}
.btn--ghost:active { transform: translateY(-1px) scale(0.98); }

/* =========================================================================
   Navigation
   ========================================================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), padding 0.3s var(--ease);
}
.nav.is-scrolled {
  background: rgba(10, 5, 16, 0.86);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--color-border);
}
.nav__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 1.25rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav.is-scrolled .nav__inner { padding: 0.9rem 1.75rem; }

.nav__brand {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-display);
}
.nav__brand-mark { height: 28px; width: auto; display: block; }
.nav__brand-text { font-size: 0.7rem; letter-spacing: 0.22em; color: var(--color-text-muted); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: 0.9rem;
}
.nav__links a { color: var(--color-text-muted); transition: color 0.2s var(--ease); }
.nav__links a:hover { color: var(--color-text); }
.nav__cta {
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text) !important;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
  font-size: 0.8rem;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}
.nav__cta:hover {
  border-color: var(--color-accent);
  color: var(--color-accent) !important;
  background: var(--color-accent-soft);
  transform: translateY(-2px);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  background: none;
  border: none;
  padding: 0;
}
.nav__toggle span {
  display: block;
  height: 1.5px;
  background: var(--color-text);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

/* =========================================================================
   Hero
   ========================================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-image:
    radial-gradient(ellipse 120% 80% at 50% 0%, var(--color-primary) 0%, var(--color-primary-dark) 55%, var(--color-near-black) 100%),
    url('/images/logo/lb-card-back.jpg');
  background-size: cover, cover;
  background-position: center, center;
  background-blend-mode: normal, soft-light;
}
.hero__bg { position: absolute; inset: 0; }

.hero__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 1.5rem;
  max-width: 900px;
}

.hero__eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 2.5rem;
}

.hero__wordmark {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 3rem;
}
.hero__logo {
  width: min(78vw, 340px);
  height: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero__cta-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 48px;
  background: var(--color-border-strong);
  z-index: 2;
}
.hero__scroll span {
  position: absolute;
  top: 0;
  left: -2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: scrollDown 2.2s var(--ease) infinite;
}
@keyframes scrollDown {
  0% { top: 0; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { top: 44px; opacity: 0; }
}

/* =========================================================================
   About
   ========================================================================= */
.about { background: var(--color-primary-dark); }
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 3rem;
  position: relative;
  z-index: 1;
}
.about__lead {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 500;
  color: #fff;
  margin-bottom: 1.5rem;
  max-width: 34ch;
}
.about__content p:not(.about__lead) {
  color: var(--color-text-muted);
  max-width: 52ch;
  font-size: 1.05rem;
}

/* =========================================================================
   Services
   ========================================================================= */
.services { background: var(--color-near-black); }
.services__list {
  border-top: 1px solid var(--color-border);
}
.services__item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: background 0.3s var(--ease);
}
.services__item:hover { background: rgba(255,255,255,0.02); }
.services__index {
  font-family: var(--font-display);
  color: var(--color-accent);
  font-size: 1rem;
  padding-top: 0.2rem;
}
.services__body h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  color: #fff;
}
.services__body p {
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* =========================================================================
   Works / Before-After / Gallery
   ========================================================================= */
.works { background: var(--color-primary-dark); }

.works__empty {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.works__empty a { color: var(--color-accent); text-decoration: underline; text-underline-offset: 3px; }

.ba-list {
  display: grid;
  gap: 2.5rem;
  margin-bottom: 4rem;
}
@media (min-width: 860px) {
  .ba-list { grid-template-columns: repeat(2, 1fr); }
}

.ba-slider__frame {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 3px;
  background: var(--color-near-black);
  border: 1px solid var(--color-border);
  cursor: ew-resize;
  user-select: none;
}
.ba-slider__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.ba-slider__img--before {
  clip-path: inset(0 calc(100% - var(--ba-pos, 50%)) 0 0);
  will-change: clip-path;
}

.ba-slider__tag {
  position: absolute;
  top: 1rem;
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  padding: 0.35rem 0.7rem;
  background: rgba(10, 5, 16, 0.65);
  backdrop-filter: blur(4px);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  z-index: 2;
  pointer-events: none;
}
.ba-slider__tag--before { left: 1rem; }
.ba-slider__tag--after { right: 1rem; }

.ba-slider__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--ba-pos, 50%);
  width: 2px;
  background: rgba(255,255,255,0.9);
  transform: translateX(-50%);
  z-index: 3;
  cursor: ew-resize;
}
.ba-slider__handle-grip {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fff;
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}

.gallery {
  columns: 3 240px;
  column-gap: 1rem;
}
.gallery__item {
  display: block;
  width: 100%;
  margin-bottom: 1rem;
  border: none;
  padding: 0;
  background: var(--color-near-black);
  border-radius: 2px;
  overflow: hidden;
  break-inside: avoid;
}
.gallery__item img {
  width: 100%;
  height: auto;
  transition: transform 0.5s var(--ease), filter 0.5s var(--ease);
}
.gallery__item:hover img { transform: scale(1.035); filter: brightness(1.05); }

/* =========================================================================
   Why us
   ========================================================================= */
.why { background: var(--color-near-black); }
.why__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.why__item {
  padding: 2.5rem 2rem 2.5rem 0;
  border-top: 1px solid var(--color-border);
}
.why__number {
  display: block;
  font-family: var(--font-display);
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}
.why__item h3 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 0.65rem;
}
.why__item p { color: var(--color-text-muted); font-size: 0.98rem; }

/* =========================================================================
   Contact
   ========================================================================= */
.contact { background: var(--color-primary-dark); }
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.contact__intro h2 { margin-top: 0.75rem; font-size: clamp(2rem, 4vw, 2.8rem); color: #fff; }
.contact__intro p {
  margin-top: 1.25rem;
  color: var(--color-text-muted);
  max-width: 46ch;
  font-size: 1.05rem;
}
.contact__hours {
  margin-top: 2rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1.25rem;
}
.contact__hours li {
  display: flex;
  justify-content: space-between;
  max-width: 260px;
  padding: 0.4rem 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.contact__hours li span:first-child { color: var(--color-text); font-family: var(--font-display); font-size: 0.85rem; letter-spacing: 0.05em; }

.contact__actions {
  display: grid;
  gap: 1rem;
}
.contact__card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.5rem 1.75rem;
  border: 1px solid var(--color-border-strong);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.2s var(--ease);
}
.contact__card:hover { border-color: var(--color-accent); transform: translateX(4px); }
.contact__card-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.contact__card-value { font-size: 1.15rem; color: #fff; }
.contact__card--primary {
  background: var(--color-accent-soft);
  border-color: var(--color-accent-line);
}

/* =========================================================================
   Footer
   ========================================================================= */
.footer { background: var(--color-near-black); border-top: 1px solid var(--color-border); }
.footer__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 3rem 1.75rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.footer__brand { display: flex; align-items: center; gap: 0.9rem; }
.footer__mark { height: 34px; width: auto; }
.footer__title { font-family: var(--font-display); font-size: 0.75rem; letter-spacing: 0.18em; color: var(--color-text); margin: 0; }
.footer__subtitle { font-size: 0.85rem; color: var(--color-text-faint); margin: 0.15rem 0 0; }

.footer__contact { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.9rem; color: var(--color-text-muted); }
.footer__contact a:hover { color: var(--color-accent); }

.footer__meta { width: 100%; font-size: 0.8rem; color: var(--color-text-faint); padding-top: 1.5rem; border-top: 1px solid var(--color-border); }

/* =========================================================================
   Lightbox
   ========================================================================= */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 2, 8, 0.94);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease);
  padding: 2rem;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__img { max-width: 90vw; max-height: 85vh; object-fit: contain; }
.lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border-strong);
  background: transparent;
  color: #fff;
  font-size: 1.6rem;
  line-height: 1;
  border-radius: 50%;
}
.lightbox__close:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* =========================================================================
   404
   ========================================================================= */
.not-found {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: var(--color-primary);
  color: #fff;
  text-align: center;
  font-family: var(--font-body);
}
.not-found__mark { width: 90px; height: auto; }
.not-found h1 { font-size: 4rem; }
.not-found p { color: var(--color-text-muted); }

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .gallery { columns: 2 180px; }
}

@media (max-width: 760px) {
  .nav__links {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(78vw, 320px);
    background: var(--color-near-black);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.75rem;
    padding: 2rem;
    transform: translateX(100%);
    transition: transform 0.35s var(--ease);
    border-left: 1px solid var(--color-border);
  }
  .nav__links.is-open { transform: translateX(0); }
  .nav__links a { font-size: 1.1rem; }
  .nav__toggle { display: flex; z-index: 101; }
  .nav__toggle.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav__toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav__toggle.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

  .hero__logo { width: min(70vw, 280px); }

  .services__item { grid-template-columns: 44px 1fr; }
  .gallery { columns: 1; }
  .ba-list { grid-template-columns: 1fr; }
}