/* ==========================================================================
   THE BLUEPRINT DOSSIER — a single venture, staged as a case file:
   full-bleed schematic opener, file metadata, editorial narrative,
   evidence plates, margin annotation, open status close.
   ========================================================================== */

/* ---- Opener ---- */

.dossier-open {
  position: relative;
  height: 82vh;
  min-height: 560px;
  max-height: 820px;
  background: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.dossier-open__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(250,246,239,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(250,246,239,0.07) 1px, transparent 1px);
  background-size: 40px 40px;
}

.dossier-open__figure {
  position: relative;
  width: clamp(320px, 58vw, 760px);
}

.dossier-open__figure svg { width: 100%; height: auto; }

.dossier-open__title {
  position: absolute;
  left: var(--page-margin);
  bottom: var(--space-8);
  color: var(--color-on-ink);
  z-index: 1;
}

.dossier-open__title .eyebrow { color: rgba(250,246,239,0.55); }
.dossier-open__title .eyebrow::before { background: rgba(250,246,239,0.55); }

.dossier-open__title h1 {
  color: var(--color-on-ink);
  font-size: var(--text-3xl);
  margin-top: var(--space-3);
}

/* ---- File header ---- */

.file-header { margin-top: 0; }

/* ---- Narrative ---- */

.dossier-body { padding-block: var(--space-11); }

.dossier-body__lead {
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  max-width: var(--content-width-text);
}

.dossier-body__lead::first-letter {
  font-family: var(--font-serif);
  font-size: 3.6em;
  float: left;
  line-height: 0.82;
  padding-right: 0.09em;
  padding-top: 0.03em;
  color: var(--color-eggplant);
  font-variation-settings: var(--serif-personality);
}

.dossier-body p {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-ink-soft);
  max-width: var(--content-width-text);
}

.dossier-body p + p { margin-top: var(--space-5); }

.dossier-body h3 {
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  font-size: var(--text-lg);
}

/* ---- Evidence plates ---- */

.dossier-plate { margin-block: var(--space-10); }
.dossier-plate--wide { margin-inline: 0; }
.dossier-plate__frame { aspect-ratio: 16/8; }
.dossier-plate--inset .dossier-plate__frame { aspect-ratio: 4/3; }

/* ---- Margin annotation, set beside the narrative on wide screens ---- */

.dossier-aside {
  position: sticky;
  top: 7rem;
}

/* ---- Status close ---- */

.status-close {
  background: var(--color-beige);
  border-block: 1px solid var(--color-beige-deep);
  padding-block: var(--space-10);
}

.status-close__grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-9); }

.status-close h3 { font-size: var(--text-md); margin-bottom: var(--space-4); }

.status-close ul { display: flex; flex-direction: column; gap: var(--space-3); }

.status-close li {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: var(--leading-relaxed);
  padding-left: var(--space-5);
  position: relative;
}

.status-close li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 6px; height: 6px;
  border: 1px solid var(--color-eggplant);
}

/* ---- Responsive ---- */

@media (max-width: 860px) {
  .dossier-open { height: 68vh; }
  .dossier-open__title h1 { font-size: var(--text-2xl); }
  .file-header { flex-direction: column; gap: var(--space-4); }
  .status-close__grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .dossier-aside { position: static; }
}