:root {
  --page-bg: #080808;
  --gold-line: #caa75d;
  --silver-line: #c8cdd4;
  --preview-width: 560px;
  --preview-height: 373px;
  --app-height: 100dvh;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-width: 320px;
  height: 100%;
  margin: 0;
  background: var(--page-bg);
}

body {
  overflow: hidden;
  font-family: Georgia, "Times New Roman", serif;
}

.split-landing {
  position: relative;
  width: 100vw;
  height: var(--app-height);
  min-height: 100vh;
  display: flex;
  background:
    radial-gradient(circle at 25% 50%, rgba(202, 167, 93, .035), transparent 35%),
    radial-gradient(circle at 75% 50%, rgba(214, 218, 224, .025), transparent 35%),
    var(--page-bg);
}

.choice {
  width: 50%;
  height: 100%;
  display: grid;
  place-items: center;
  padding: 40px;
  color: inherit;
  text-decoration: none;
  outline: none;
}

.preview-frame {
  width: var(--preview-width);
  height: var(--preview-height);
  margin: 0;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: #111;
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, .09);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .42);
  transition:
    border-color .2s ease,
    box-shadow .2s ease;
}

.preview-frame > img {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-select: none;
  border-radius: inherit;
}

/*
  A két eredeti háttérkép érintetlen marad.
  A füstszínű sötétítés külön CSS-rétegként ül a kép felett,
  ugyanazzal a struktúrával az arany és az ezüst miniatűrön.
*/
.smoke-layer {
  position: absolute;
  inset: 0 16.67% 0 0;
  z-index: 1;
  background: rgba(8, 10, 13, .46);
  pointer-events: none;
}

.preview-copy {
  position: absolute;
  z-index: 2;
  left: 6.2%;
  top: 13.5%;
  width: 74%;
  margin: 0;
  color: rgba(255, 255, 255, .96);
  text-shadow: 0 2px 5px rgba(0, 0, 0, .72);
  pointer-events: none;
}

.preview-brand {
  font-size: 33px;
  line-height: .95;
  font-weight: 700;
  letter-spacing: -.02em;
}

.preview-kicker {
  margin-top: 11px;
  font-size: 18px;
  line-height: 1;
  font-weight: 600;
  letter-spacing: .02em;
}

.preview-section {
  margin-top: 31px;
  font-size: 16px;
  line-height: 1.12;
  font-weight: 700;
  white-space: nowrap;
}

.preview-tagline {
  margin-top: 11px;
  font-size: 14px;
  line-height: 1.25;
}

.preview-body {
  margin-top: 19px;
  font-size: 12px;
  line-height: 1.55;
}

.choice--gold:hover .preview-frame,
.choice--gold:focus-visible .preview-frame {
  border-color: rgba(202, 167, 93, .95);
  box-shadow:
    0 24px 72px rgba(0, 0, 0, .52),
    0 0 0 1px rgba(202, 167, 93, .16);
}

.choice--silver:hover .preview-frame,
.choice--silver:focus-visible .preview-frame {
  border-color: rgba(200, 205, 212, .98);
  box-shadow:
    0 24px 72px rgba(0, 0, 0, .52),
    0 0 0 1px rgba(200, 205, 212, .18);
}

.divider {
  position: absolute;
  left: 50%;
  top: 10%;
  width: 1px;
  height: 80%;
  transform: translateX(-.5px);
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(202, 167, 93, .92) 7%,
    rgba(202, 167, 93, .92) 93%,
    transparent 100%
  );
  pointer-events: none;
}

/*
  Desktopon a miniatűrök fix pixelméretűek. A viewport átméretezése közben
  nem skálázódnak folyamatosan; csak az alábbi töréspontokon váltanak másik
  fix méretre, hogy a két oldal mindig elférjen.
*/
@media (max-width: 1399px) and (min-width: 1100px) {
  :root {
    --preview-width: 460px;
    --preview-height: 307px;
  }

  .choice {
    padding: 28px;
  }

  .preview-brand { font-size: 27px; }
  .preview-kicker { margin-top: 9px; font-size: 15px; }
  .preview-section { margin-top: 25px; font-size: 13px; }
  .preview-tagline { margin-top: 9px; font-size: 12px; }
  .preview-body { margin-top: 15px; font-size: 10px; }
}

@media (max-width: 1099px) and (min-width: 761px) {
  :root {
    --preview-width: 320px;
    --preview-height: 213px;
  }

  .choice {
    padding: 20px;
  }

  .preview-copy { left: 6%; top: 12%; width: 75%; }
  .preview-brand { font-size: 19px; }
  .preview-kicker { margin-top: 6px; font-size: 11px; }
  .preview-section { margin-top: 17px; font-size: 9px; }
  .preview-tagline { margin-top: 6px; font-size: 8.5px; }
  .preview-body { margin-top: 10px; font-size: 7px; }
}

/* Mobil: a két cél egymás alatt, teljes egészében ugyanazon viewporton belül. */
@media (max-width: 760px) {
  .split-landing {
    flex-direction: column;
  }

  .choice {
    width: 100%;
    height: 50%;
    padding: 18px;
  }

  .preview-frame {
    width: min(84vw, calc(38dvh * 1.5), 460px);
    height: auto;
    aspect-ratio: 3 / 2;
  }

  .preview-copy {
    left: 6%;
    top: 12%;
    width: 75%;
  }

  .preview-brand { font-size: clamp(18px, 5.2vw, 27px); }
  .preview-kicker { margin-top: 7px; font-size: clamp(10px, 2.9vw, 15px); }
  .preview-section { margin-top: 18px; font-size: clamp(9px, 2.5vw, 13px); }
  .preview-tagline { margin-top: 7px; font-size: clamp(8px, 2.3vw, 12px); }
  .preview-body { margin-top: 11px; font-size: clamp(6.5px, 1.9vw, 10px); }

  .divider {
    left: 10%;
    top: 50%;
    width: 80%;
    height: 1px;
    transform: translateY(-.5px);
    background: linear-gradient(
      to right,
      transparent 0%,
      rgba(202, 167, 93, .92) 7%,
      rgba(202, 167, 93, .92) 93%,
      transparent 100%
    );
  }
}

@media (max-width: 430px), (max-height: 700px) and (max-width: 760px) {
  .choice {
    padding: 12px 14px;
  }

  .preview-frame {
    width: min(78vw, calc(36dvh * 1.5), 390px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .preview-frame {
    transition: none;
  }
}