/* ——— Ideas (/ideas y artículos): editorial negro, lectura larga cómoda ——— */
body.ideas-page {
  background: #101010;
  color: #ededed;
}
.ideas-main {
  position: relative;
  padding-top: var(--header-h, 68px);
}

/* Fila de entrada (como el resto de la web) */
.ideas-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr) minmax(0, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.ideas-intro > div {
  padding: 18px var(--pad-x);
  border-right: 1px solid var(--line);
  font-size: 14px;
  color: #bdbdbd;
}
.ideas-intro > div:last-child {
  border-right: 0;
  text-align: right;
}
.ideas-intro .mono,
.ideas-mono {
  font-family: "DM Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Cabecera con el campo de luz de Krovee a la derecha */
.ideas-head {
  position: relative;
  overflow: hidden;
  min-height: clamp(380px, 58vh, 620px);
  display: flex;
  align-items: flex-end;
  border-bottom: 1px solid var(--line);
}
.ideas-head__field {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(52%, 820px);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 55%), linear-gradient(180deg, #000 70%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(90deg, transparent 0%, #000 55%), linear-gradient(180deg, #000 70%, transparent 100%);
  mask-composite: intersect;
  opacity: 0.8;
  pointer-events: none;
}
.ideas-head__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  box-sizing: border-box;
  padding: clamp(48px, 9vh, 96px) var(--pad-x) clamp(36px, 6vh, 64px);
}
.ideas-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0 0 clamp(18px, 3vh, 28px);
}
.ideas-head h1 {
  margin: 0;
  max-width: min(13em, 62vw);
  font-family: "DM Sans", system-ui, sans-serif;
  font-size: clamp(36px, 5.6vw, 84px);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.035em;
  color: #f2f2f2;
}
.ideas-head h1 em {
  font-style: italic;
  font-weight: 400;
  color: #8e8e8e;
}
.ideas-dek {
  max-width: 36em;
  margin: clamp(20px, 3.4vh, 32px) 0 0;
  font-size: clamp(16px, 1.35vw, 20px);
  line-height: 1.55;
  color: #b8b8b8;
}
.ideas-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: clamp(22px, 4vh, 36px);
}

/* Índice de piezas */
.ideas-series {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 3fr);
  gap: 24px clamp(24px, 4vw, 64px);
  padding: clamp(40px, 7vh, 80px) var(--pad-x);
  border-bottom: 1px solid var(--line);
}
.ideas-series__name {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.5;
  color: #9a9a9a;
}
.ideas-series__name strong {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: #e6e6e6;
}
.ideas-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.ideas-item a {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  gap: 8px 24px;
  align-items: baseline;
  padding: clamp(20px, 3vh, 30px) 0;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}
.ideas-item__n {
  font-family: "DM Mono", monospace;
  font-size: 12px;
  color: var(--muted);
}
.ideas-item__title {
  font-size: clamp(20px, 2.1vw, 30px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: #f0f0f0;
  transition: color 0.25s ease;
}
.ideas-item__sub {
  grid-column: 2;
  margin-top: 4px;
}
.ideas-item__go {
  grid-row: 1;
  grid-column: 3;
  font-size: 20px;
  color: #8c8c8c;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), color 0.25s ease;
}
.ideas-item a:hover .ideas-item__title,
.ideas-item a:focus-visible .ideas-item__title { color: #ffffff; }
.ideas-item a:hover .ideas-item__go,
.ideas-item a:focus-visible .ideas-item__go { transform: translateX(6px); color: #ffffff; }

/* Artículo: índice lateral + texto */
.ideas-article {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.4fr);
  gap: clamp(24px, 5vw, 96px);
  padding: clamp(40px, 8vh, 96px) var(--pad-x);
}
.ideas-toc {
  position: sticky;
  top: calc(var(--header-h, 68px) + 32px);
  align-self: start;
}
.ideas-toc ol {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.ideas-toc a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.35;
  color: #9a9a9a;
  text-decoration: none;
  transition: color 0.2s ease;
}
.ideas-toc a span:first-child {
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: #6f6f6f;
}
.ideas-toc a:hover,
.ideas-toc a.is-active { color: #f0f0f0; }
.ideas-body {
  max-width: 44rem;
  font-size: clamp(17px, 1.25vw, 19px);
  line-height: 1.68;
  color: #cfcfcf;
}
.ideas-body section + section {
  margin-top: clamp(56px, 9vh, 96px);
}
.ideas-body h2 {
  margin: 0 0 22px;
  font-size: clamp(26px, 2.6vw, 40px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: #f2f2f2;
}
.ideas-body h2 .ideas-mono {
  display: block;
  margin-bottom: 14px;
}
.ideas-body p { margin: 0 0 1.1em; }
.ideas-body strong { color: #f0f0f0; font-weight: 500; }

/* Cada hallazgo: lo que vimos / lo que decidimos */
.ideas-finding {
  margin: 0;
  padding: clamp(24px, 3.4vh, 34px) 0;
  border-top: 1px solid var(--line);
}
.ideas-finding:last-of-type { border-bottom: 1px solid var(--line); }
.ideas-finding h3 {
  margin: 0 0 16px;
  font-size: clamp(20px, 1.7vw, 25px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: #f0f0f0;
}
.ideas-finding h3 .ideas-mono { margin-right: 12px; }
.ideas-finding dl {
  display: grid;
  grid-template-columns: 9.5em minmax(0, 1fr);
  gap: 10px 20px;
  margin: 0;
}
.ideas-finding dt {
  padding-top: 0.45em;
}
.ideas-finding dd { margin: 0; }

.ideas-body .ideas-quote {
  margin: clamp(36px, 6vh, 56px) 0 0;
  padding-left: 0;
  font-size: clamp(22px, 2.2vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: #f2f2f2;
}
.ideas-quote em { font-style: italic; color: #8e8e8e; }

.ideas-checks {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: chk;
  border-top: 1px solid var(--line);
}
.ideas-checks li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: #e2e2e2;
}
.ideas-checks li::before {
  counter-increment: chk;
  content: counter(chk, decimal-leading-zero);
  font-family: "DM Mono", monospace;
  font-size: 11px;
  padding-top: 0.5em;
  color: #6f6f6f;
}

/* Cierre */
.ideas-end {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.4fr);
  gap: clamp(24px, 5vw, 96px);
  padding: clamp(48px, 9vh, 110px) var(--pad-x);
  border-top: 1px solid var(--line);
}
.ideas-end h2 {
  margin: 0;
  font-size: clamp(30px, 3.6vw, 56px);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: #f2f2f2;
}
.ideas-end h2 em { font-style: italic; font-weight: 400; color: #8e8e8e; }
.ideas-end p {
  max-width: 32em;
  margin: 18px 0 28px;
  font-size: 17px;
  line-height: 1.6;
  color: #b8b8b8;
}
.ideas-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
}
.ideas-end .studio-page__btn--solid { mix-blend-mode: normal; }

@media (max-width: 900px) {
  .ideas-head h1 { max-width: none; }
  .ideas-intro { grid-template-columns: 1fr; }
  .ideas-intro > div { border-right: 0; border-bottom: 1px solid var(--line); text-align: left !important; }
  .ideas-intro > div:last-child { border-bottom: 0; }
  /* En móvil la luz va arriba, como una franja, y el texto debajo: no se pisan. */
  .ideas-head { display: block; min-height: 0; }
  .ideas-head__field {
    position: relative;
    width: 100%;
    height: clamp(150px, 24vh, 210px);
    opacity: 0.85;
    -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 45%, transparent 100%);
    mask-image: linear-gradient(180deg, #000 0%, #000 45%, transparent 100%);
  }
  .ideas-head__inner { padding-top: 8px; }
  .ideas-series,
  .ideas-article,
  .ideas-end { grid-template-columns: 1fr; }
  .ideas-toc { position: static; }
  .ideas-item a { grid-template-columns: 40px minmax(0, 1fr) auto; gap: 6px 14px; }
  .ideas-finding dl { grid-template-columns: 1fr; gap: 4px; }
  .ideas-finding dd + dt { margin-top: 12px; }
}

/* Fuentes al pie del artículo */
.ideas-sources {
  margin-top: clamp(48px, 8vh, 80px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.ideas-sources ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  font-size: 15px;
  line-height: 1.5;
}
.ideas-sources li { padding: 6px 0; }
.ideas-sources a { color: #d8d8d8; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(255, 255, 255, 0.3); }
.ideas-sources a:hover { color: #ffffff; text-decoration-color: #ffffff; }
.ideas-sources li .ideas-mono { margin-left: 8px; }

/* Método: las siete áreas que mira una Lectura */
.ideas-areas {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(20px, 3vw, 40px);
  margin: 8px 0 0;
  border-top: 1px solid var(--line);
}
.ideas-areas > div {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.ideas-areas dt {
  margin-bottom: 6px;
  font-weight: 500;
  color: #f0f0f0;
}
.ideas-areas dd { margin: 0; font-size: 0.95em; }
@media (max-width: 900px) {
  .ideas-areas { grid-template-columns: 1fr; }
}

/* Imagen entre secciones del artículo */
.ideas-figure {
  margin: clamp(36px, 6vh, 64px) 0;
}
.ideas-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 70vh;
  object-fit: cover;
  aspect-ratio: 16 / 10;
  background: #111;
}