/* ==========================================
   HOME — hero, network canvas, profile
   ========================================== */

.hero {
  position: relative;
  min-height: calc(100svh - var(--nav-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-block: clamp(3rem, 8vw, 5rem);
}

.hero__kicker {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 1.25rem;
  text-shadow: 0 1px 12px var(--bg), 0 1px 3px var(--bg);
}

.hero h1 {
  max-width: 18ch;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 24px var(--bg), 0 1px 4px var(--bg);
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero__lede {
  max-width: 56ch;
  font-size: var(--step-1);
  color: var(--text-dim);
  margin-bottom: 2.25rem;
  text-shadow: 0 1px 16px var(--bg), 0 1px 3px var(--bg);
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero__meta {
  display: flex;
  gap: clamp(1.5rem, 4vw, 3rem);
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--text-faint);
}

.hero__meta > div {
  margin-right: clamp(1.5rem, 4vw, 3rem);
}
.hero__meta > div:last-child { margin-right: 0; }

/* ---- Background canvas: full-bleed behind hero content, full strength ---- */
.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero__canvas canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero__meta dt {
  color: var(--text-faint);
  margin-bottom: 0.2rem;
}

.hero__meta dd {
  color: var(--text-dim);
}

/* ---- Focus areas grid ---- */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.focus-card {
  background: var(--bg);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  transition: background var(--dur-fast) var(--ease);
}

.focus-card:hover {
  background: var(--bg-card);
}

.focus-card__num {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--accent);
  display: block;
  margin-bottom: 1rem;
}

.focus-card h3 {
  font-size: var(--step-1);
  margin-bottom: 0.75rem;
}

.focus-card p {
  font-size: var(--step--1);
  color: var(--text-dim);
  margin-bottom: 0;
}

@media (max-width: 800px) {
  .focus-grid { grid-template-columns: 1fr; }
}

/* ---- Preview cards (cross-links to sections) ---- */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.preview-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.preview-card:hover {
  border-color: var(--accent-line);
  transform: translateY(-2px);
}

.preview-card__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.preview-card h3 { font-size: var(--step-1); }

.preview-card p {
  font-size: var(--step--1);
  color: var(--text-dim);
  flex-grow: 1;
  margin-bottom: 0;
}

.preview-card .btn {
  align-self: flex-start;
  margin-top: 0.25rem;
}