/* Dalia identity hub — extends BSA brand kit (css/brand.css)
 * Phase 1 — Identity Convergence. See:
 *   docs/superpowers/specs/2026-04-28-phase-1-identity-convergence.md
 *   docs/marketing/voice-spec.md
 *
 * Operating frame: unbounded mode (voice spec §11) — no funnel CTAs,
 * no quizzes, no completion percentages. The hub routes; it does not
 * capture.
 */

:root {
  --hub-max-width: 1100px;
  --hub-narrow-width: 720px;
}

/* Header — identity */

.hub-header {
  text-align: center;
  padding: 4rem 1.5rem 1.5rem;
  max-width: var(--hub-narrow-width);
  margin: 0 auto;
}

.hub-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-brand);
  margin-bottom: 1rem;
  box-shadow: var(--shadow-2);
  background: var(--color-surface);
}

.hub-name {
  font-size: clamp(2rem, 4vw, 2.75rem);
  color: var(--color-brand);
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

.hub-thesis {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--color-text);
  margin: 0 0 1.5rem;
  line-height: 1.45;
}
.hub-thesis-tail {
  display: inline-block;
  color: var(--color-muted);
  font-size: 0.95em;
}

.hub-socials {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}
.hub-socials a {
  color: var(--color-brand);
  text-decoration: none;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: background 0.15s ease;
}
.hub-socials a:hover,
.hub-socials a:focus-visible {
  background: var(--color-surface);
  outline: 1px solid var(--color-border);
}

/* Bio */

.hub-bio {
  max-width: var(--hub-narrow-width);
  margin: 0 auto;
  padding: 1.5rem 1.5rem 2rem;
  line-height: 1.7;
  color: var(--color-text);
}
.hub-bio p {
  margin: 0 0 1rem;
}
.hub-bio a {
  color: var(--color-brand);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--color-brand) 35%, transparent);
}
.hub-bio a:hover,
.hub-bio a:focus-visible {
  border-bottom-color: var(--color-brand);
}

/* Doors */

.hub-doors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: var(--hub-max-width);
  margin: 1.5rem auto 0;
  padding: 0 1.5rem;
}

.hub-door {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
}

.hub-door--primary {
  grid-column: 1 / -1;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--color-brand) 12%, var(--color-surface)) 0%,
    var(--color-surface) 100%);
  border-color: color-mix(in srgb, var(--color-brand) 60%, var(--color-border));
}

.hub-door-title {
  color: var(--color-brand);
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  letter-spacing: -0.005em;
}

.hub-door-tagline {
  color: var(--color-text);
  margin: 0 0 1rem;
  line-height: 1.5;
}
.hub-door-tagline em {
  color: var(--color-muted);
  font-style: italic;
}

.hub-door-link {
  color: var(--color-brand);
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.4rem 0.65rem;
  border: 1px solid color-mix(in srgb, var(--color-brand) 40%, transparent);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease, background 0.15s ease;
  align-self: flex-start;
}
.hub-door-link:hover,
.hub-door-link:focus-visible {
  border-color: var(--color-brand);
  background: color-mix(in srgb, var(--color-brand) 10%, transparent);
}

.hub-door-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
  flex: 1;
}
.hub-door-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 70%, transparent);
  font-size: 0.95rem;
  line-height: 1.5;
}
.hub-door-list li:last-child {
  border-bottom: 0;
}
.hub-door-list a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
}
.hub-door-list a:hover,
.hub-door-list a:focus-visible {
  color: var(--color-brand);
}
.hub-door-list .hub-door-placeholder {
  color: var(--color-muted);
  font-size: 0.85rem;
  font-style: italic;
  border-bottom: 0;
}

.hub-door-aside {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid color-mix(in srgb, var(--color-border) 60%, transparent);
  font-size: 0.92rem;
  color: var(--color-muted);
  line-height: 1.5;
}
.hub-door-aside a {
  color: var(--color-brand);
  text-decoration: none;
}
.hub-door-aside a:hover,
.hub-door-aside a:focus-visible {
  text-decoration: underline;
}

/* Footer */

.hub-footer {
  text-align: center;
  padding: 3rem 1.5rem 2rem;
  margin-top: 3rem;
  border-top: 1px solid color-mix(in srgb, var(--color-brand) 18%, transparent);
  color: var(--color-muted);
}
.hub-footer p {
  margin: 0.4rem 0;
}
.hub-footer-line a {
  color: var(--color-brand);
  text-decoration: none;
}
.hub-footer-line a:hover,
.hub-footer-line a:focus-visible {
  text-decoration: underline;
}
.hub-footer-thesis {
  font-style: italic;
}

/* Responsive */

@media (max-width: 768px) {
  .hub-doors {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .hub-header {
    padding-top: 2.5rem;
  }
  .hub-photo {
    width: 128px;
    height: 128px;
  }
}

/* Reduced motion respected (accessibility) */
@media (prefers-reduced-motion: reduce) {
  .hub-socials a,
  .hub-door-link {
    transition: none;
  }
}

/* Keyboard focus visibility */
:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
}