/* ── split screen hero ── */
#hero {
  display: flex;
  width: 100%;
  height: 100vh;
  min-height: 600px;
}
/* left: portrait image */
#hero-left {
  position: relative;
  width: 50%;
  flex-shrink: 0;
  overflow: hidden;
}
#hero-left img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

/* right: interactive content */
#hero-right {
  width: 50%;
  display: flex;
  justify-content: center;
  padding: 17rem 4rem 6rem 5rem;
}

/* ── about accordions ── */
#about-interactive {
  --label-column-width: 4rem;
  --column-gap: 4rem;

  position: relative;
  display: block;
  width: 100%;
}
.about-item {
  display: block;
  width: var(--label-column-width);
}
.about-label {
  display: block;
  width: var(--label-column-width);

  padding: 0.3rem 0;

  font-size: clamp(0.75rem, 1vw, 1rem);
  white-space: nowrap;
  text-transform: none;
  text-align: left;

  color: #000;
  opacity: 0.28;
  cursor: pointer;
  user-select: none;

  transition: opacity 0.35s ease;
}
.about-label.active {
  opacity: 1;
}
.about-label span {
  display: none;
  transition: transform 300ms;
}
.about-panel {
  position: absolute;
  top: 0.5rem;
  left: calc(var(--label-column-width) + var(--column-gap));
  right: 0;

  display: flex;
  flex-direction: column;
  gap: 1.2rem;

  min-height: 280px;
  padding-top: 0;

  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);

  transition:
    opacity 300ms ease,
    transform 300ms ease,
    visibility 0s linear 300ms;
}
.about-panel.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);

  transition:
    opacity 300ms ease,
    transform 300ms ease,
    visibility 0s linear 0s;
}
#about-detail {
  flex: 1;
  padding-top: 0.5rem;
  min-height: 280px;
}
@keyframes fadeInPanel {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.about-panel h4 {
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #000;
}
.about-panel p {
  font-size: 0.75rem;
  color: #000;
  max-width: 520px;
}
.about-panel a {
  transition: opacity 0.2s;
}
.about-panel a:hover {
  opacity: 0.55;
}

/* ── responsive ── */
@media (max-width: 768px) {
  #hero {
    flex-direction: column;
    height: auto;
  }
  #hero-left {
    width: 100%;
    height: 70vh;
    position: relative;
  }
  #hero-right {
    width: 100%;
    padding: 6rem 1rem 3rem 1rem;
    align-items: flex-start;
  }
  .wm-letter {
    font-size: 18px;
    top: 28px;
  }
  #wm-m {
    right: calc(28px + 18px * 1.9);
  }
  #wm-g {
    right: calc(28px + 18px * 0.9);
  }
  #wm-e {
    right: 28px;
  }
}

@media (max-width: 1023px) {
  #about-interactive {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .about-item:first-of-type {
    border-top: 1px solid #000;
  }
  .about-item {
    display: block;
    width: 100%;
    border-bottom: 1px solid #000;
  }
  .about-label {
    display: flex;
    justify-content: space-between;
    width: 100%;
    font-size: 100%;
    font-weight: normal;
    line-height: 1.25;
    opacity: 1;
    padding: .5rem .2rem;
  }
  .about-label span {
    display: inherit;
  }
  .about-panel,
  .about-panel.active {
    display: none;
    position: static;
    left: auto;
    right: auto;
    top: auto;
    width: 100%;
    min-height: 0;
    padding: .5rem .2rem 1.5rem;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    transition: none;
  }
  .about-item:has(.about-label.active) .about-panel.active {
    display: flex;
  }
  .about-panel p:has(a) {
    border-bottom: none;
  }
}