#arquitectura-holografica {
  width: 100%;
  scroll-margin-top: 6rem;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.34);
  border-radius: 2rem;
  background: radial-gradient(circle at 18% 0%, rgba(212, 175, 55, 0.18), transparent 42%), linear-gradient(145deg, rgba(16, 13, 7, 0.98), rgba(0, 0, 0, 0.94));
  box-shadow: 0 0 64px rgba(212, 175, 55, 0.13);
  color: #e7e5e4;
  text-align: left;
}

#arquitectura-holografica summary { list-style: none; }
#arquitectura-holografica summary::-webkit-details-marker { display: none; }

.kadistu-book-v10__summary {
  display: grid;
  grid-template-columns: minmax(180px, 270px) 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  padding: clamp(1.5rem, 4vw, 3rem);
  cursor: pointer;
}

.kadistu-book-v10__summary:focus-visible,
.kadistu-book-v10__actions a:focus-visible,
.kadistu-book-v10__actions button:focus-visible {
  outline: 2px solid #e6d298;
  outline-offset: 4px;
}

.kadistu-book-v10__cover-wrap {
  display: block;
  max-width: 250px;
  margin: 0 auto;
  filter: drop-shadow(0 22px 32px rgba(0, 0, 0, 0.58));
}

.kadistu-book-v10__cover {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(230, 210, 152, 0.32);
  border-radius: 0.5rem;
}

.kadistu-book-v10__intro { display: grid; gap: 0.8rem; min-width: 0; }
.kadistu-book-v10__eyebrow,
.kadistu-book-v10__actions span {
  color: #d4af37;
  font-family: Montserrat, sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.kadistu-book-v10__intro > strong {
  color: #f5e6c4;
  font-family: "Cormorant Upright", serif;
  font-size: clamp(2.1rem, 5vw, 4.2rem);
  font-weight: 500;
  line-height: 0.98;
  overflow-wrap: anywhere;
}
.kadistu-book-v10__intro > span:not(.kadistu-book-v10__eyebrow) { color: #e6d298; font-size: 1rem; }
.kadistu-book-v10__intro > small { color: #d6d3d1; font-size: 1rem; line-height: 1.7; }
.kadistu-book-v10__intro > b { color: #e6d298; font-family: Montserrat, sans-serif; font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; }
.kadistu-book-v10__intro i { display: inline-block; font-size: 1.1rem; font-style: normal; transition: transform 240ms ease; }
#arquitectura-holografica[open] .kadistu-book-v10__intro i { transform: rotate(45deg); }

.kadistu-book-v10__body {
  padding: 0 clamp(1.5rem, 4vw, 3rem) clamp(1.5rem, 4vw, 3rem);
  border-top: 1px solid rgba(212, 175, 55, 0.18);
}
.kadistu-book-v10__body > p { max-width: 850px; margin: 1.6rem auto; color: #d6d3d1; font-size: 1.08rem; line-height: 1.75; text-align: center; }
.kadistu-book-v10__actions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.kadistu-book-v10__actions a,
.kadistu-book-v10__actions button {
  display: grid;
  gap: 0.55rem;
  align-content: start;
  min-height: 176px;
  padding: 1.35rem;
  border: 1px solid rgba(212, 175, 55, 0.32);
  border-radius: 1.2rem;
  background: rgba(0, 0, 0, 0.34);
  color: inherit;
  font: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 220ms ease, background 220ms ease, transform 220ms ease;
  overflow-wrap: anywhere;
}
.kadistu-book-v10__actions a:hover,
.kadistu-book-v10__actions button:hover { transform: translateY(-3px); border-color: rgba(230, 210, 152, 0.78); background: rgba(212, 175, 55, 0.1); }
.kadistu-book-v10__actions strong { color: #f5e6c4; font-family: "Cormorant Upright", serif; font-size: 1.65rem; font-weight: 500; line-height: 1.05; }
.kadistu-book-v10__actions small { color: #bdb9b2; font-size: 0.88rem; line-height: 1.55; }

@media (max-width: 767px) {
  #arquitectura-holografica { border-radius: 1.35rem; }
  .kadistu-book-v10__summary { grid-template-columns: 1fr; padding: 1.25rem; }
  .kadistu-book-v10__cover-wrap { width: min(72vw, 230px); }
  .kadistu-book-v10__intro { text-align: center; }
  .kadistu-book-v10__intro > strong { font-size: clamp(2rem, 12vw, 3.2rem); }
  .kadistu-book-v10__body { padding: 0 1.1rem 1.25rem; }
  .kadistu-book-v10__actions { grid-template-columns: 1fr; }
  .kadistu-book-v10__actions a,
  .kadistu-book-v10__actions button { min-height: 0; width: 100%; }
}
