/* Homepage mark-construction study
   Geometry and colours come directly from the official JV brand mark. */

.hero-mark-study {
  isolation: isolate;
  display: grid;
  align-items: center;
  min-height: min(760px, calc(100svh - var(--nav-height)));
  padding: clamp(5rem, 8vw, 7.25rem) 0 clamp(4.75rem, 7.5vw, 6.75rem);
  background: var(--bg);
}

.hero-mark-study .container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-mark-study .hero-inner {
  max-width: min(760px, 64vw);
  margin: 0;
  text-align: left;
}

.hero-mark-study h1 {
  max-width: 760px;
  margin: 0 0 clamp(2.1rem, 4vw, 2.8rem);
  font-size: clamp(2.15rem, 4.15vw, 3.65rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.hero-mark-study .hero-actions {
  position: relative;
  z-index: 3;
  justify-content: flex-start;
}

.mark-study-canvas {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  pointer-events: none;
  opacity: 0.92;
  contain: paint;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 7%, #000 93%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, #000 7%, #000 93%, transparent 100%);
}

@media (max-width: 760px) {
  .hero-mark-study {
    min-height: auto;
    padding: clamp(4rem, 13vw, 5rem) 0 clamp(4rem, 12vw, 4.8rem);
  }

  .hero-mark-study h1 {
    max-width: 620px;
    margin-bottom: 2rem;
    font-size: clamp(2.05rem, 8.1vw, 2.75rem);
    line-height: 1.12;
    letter-spacing: -0.03em;
  }

  .hero-mark-study .hero-inner {
    max-width: min(620px, 92vw);
  }

  .mark-study-canvas {
    opacity: 0.82;
  }
}

@media (max-width: 480px) {
  .hero-mark-study h1 {
    font-size: clamp(1.95rem, 8.6vw, 2.35rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .mark-study-canvas {
    opacity: 0.9;
  }
}

@media (forced-colors: active) {
  .mark-study-canvas {
    display: none;
  }
}

@media print {
  .mark-study-canvas {
    display: none;
  }
}