/* ==========================================================================
   AUTOFORUM Landing — split screen Mercedes-Benz / Mercedes-Maybach
   Lewa: jasna (białe / Mercedes), prawa: kremowa #e6e0d7 (Maybach)
   ========================================================================== */

.landing {
  height: 100vh;
  background: #fff;
  color: #0a0a0a;
  overflow: hidden;
  position: relative;
}

/* ----- Header ------------------------------------------------------------- */

.landing-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  pointer-events: none;
}

.landing-header > * {
  pointer-events: auto;
}

.landing-header__meta {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.5;
  text-align: right;
  line-height: 1.6;
}

.landing-header__meta b {
  font-weight: 400;
  opacity: 1;
}

/* ----- Split panels ------------------------------------------------------- */

.split {
  position: relative;
  display: flex;
  height: 100vh;
  width: 100%;
}

.half {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: pointer;
  transition: flex 0.9s cubic-bezier(0.77, 0, 0.175, 1),
              filter 0.6s ease;
}

.half--mb {
  background: #f3f3f3;
  color: #0a0a0a;
}

.half--mh {
  background: #e6e0d7;
  color: #1a1a1a;
}

.half-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
              transform 1.4s cubic-bezier(0.22, 1, 0.36, 1);
  background-size: cover;
  background-position: center;
}

.half--mb .half-bg {
  background-image:
    linear-gradient(180deg, rgba(255,255,255,0.55) 0%, rgba(255,255,255,0.15) 60%, rgba(255,255,255,0.85) 100%),
    url('https://images.unsplash.com/photo-1605559424843-9e4c228bf1c2?auto=format&fit=crop&w=1920&q=85');
}

.half--mh .half-bg {
  background-image:
    linear-gradient(180deg, rgba(230,224,215,0.6) 0%, rgba(230,224,215,0.2) 60%, rgba(230,224,215,0.92) 100%),
    url('https://cdn.auto-swiat.pl/1/Xhak9lBaHR0cHM6Ly9vY2RuLmV1L3B1bHNjbXMvTURBXy80ZmU3YmJhOTFhMWUzODcyYzlhYTdmNTEwZGQyYjY5Ni5qcGeSlQPNAXHNAb_NBcjNA0GTBc0GzM0D1N4AAqEwB6ExBA');
}

.half-content {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
  transition: transform 0.9s cubic-bezier(0.77, 0, 0.175, 1),
              opacity 0.5s ease;
}

.half-logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.half-logo__img {
  display: block;
  filter: drop-shadow(0 12px 30px rgba(0, 0, 0, 0.12));
}

.half--mb .half-logo__img {
  width: 150px;
  height: 150px;
  object-fit: contain;
}

.half--mh .half-logo__img {
  width: 200px;
  height: auto;
}

.half-brand {
  font-family: 'Corporate A', 'Inter', sans-serif;
  font-size: 13px;
  letter-spacing: 0.45em;
  text-transform: uppercase;
}

.half--mh .half-brand {
  letter-spacing: 0.5em;
}

.half-meta {
  position: absolute;
  bottom: 9vh;
  left: 0;
  right: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  opacity: 0.6;
  transition: opacity 0.5s ease, transform 0.6s ease;
}

.half-meta b {
  font-weight: 400;
  opacity: 1;
  font-size: 12px;
  letter-spacing: 0.32em;
}

.half-cta {
  position: absolute;
  bottom: 18vh;
  left: 50%;
  transform: translate(-50%, 30px);
  z-index: 5;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 12px 22px;
  border: 1px solid currentColor;
  opacity: 0;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* ----- Hover behaviour ---------------------------------------------------- */

.split:hover .half:not(:hover) {
  flex: 0.85;
  filter: brightness(0.92) saturate(0.85);
}

.half:hover .half-bg {
  opacity: 1;
  transform: scale(1);
}

.half:hover .half-content {
  transform: translateY(-7vh);
}

.half:hover .half-meta {
  opacity: 0.85;
  transform: translateY(-12px);
}

.half:hover .half-cta {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ----- Center divider ----------------------------------------------------- */

.divider {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1px;
  height: 70vh;
  z-index: 6;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 0%, rgba(120,120,120,0.4) 30%, rgba(120,120,120,0.4) 70%, transparent 100%);
  transition: opacity 0.5s ease;
}

.split:hover .divider {
  opacity: 0.3;
}

/* ----- Footer strip ------------------------------------------------------- */

.landing-footer {
  position: fixed;
  bottom: 28px;
  left: 0;
  right: 0;
  z-index: 30;
  display: flex;
  justify-content: space-between;
  padding: 0 48px;
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  pointer-events: none;
  color: rgba(0, 0, 0, 0.55);
}

.landing-footer .ft-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

/* ----- Click transition --------------------------------------------------- */

.half--clicked {
  flex: 1.6 !important;
  z-index: 50;
}

.half--clicked + .divider,
.half--clicked ~ .half {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.half--clicked .half-content {
  transform: translateY(-5vh) scale(2.2);
  opacity: 0;
  transition: transform 1.2s cubic-bezier(0.77, 0, 0.175, 1),
              opacity 1s ease 0.2s;
}

.half--clicked .half-bg {
  opacity: 1;
  transform: scale(1.15);
  transition: opacity 0.6s ease, transform 1.4s cubic-bezier(0.77, 0, 0.175, 1);
}

/* ----- Responsive --------------------------------------------------------- */

@media (max-width: 768px) {
  .landing-header {
    padding: 18px 22px;
  }

  .split {
    flex-direction: column;
  }

  .half {
    flex: 1;
  }

  .half--mb .half-logo__img { width: 90px; height: 90px; }
  .half--mh .half-logo__img { width: 130px; }

  .divider {
    width: 70vw;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(120,120,120,0.4) 30%, rgba(120,120,120,0.4) 70%, transparent 100%);
  }

  .split:hover .half:not(:hover) {
    flex: 1;
    filter: none;
  }

  .landing-footer {
    padding: 0 22px;
    font-size: 9px;
  }

  .landing-footer .ft-center {
    display: none;
  }
}