/* coleman-sagil.dev — hub / landing page.
   Loads shared/design-system.css (copied to design-system.css in this
   directory) first; everything here is hub-specific layout on top of
   those tokens. No accent override — the hub uses the suite default
   accent defined in design-system.css. */

.wrap-wide {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.eyebrow {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-faint);
  margin: 0 0 var(--space-4);
}

/* ---------- hero ---------- */

.hub-hero {
  position: relative;
  /* isolation: isolate confines the ::before glow's z-index: -1 to a
     stacking context scoped to this section, so it paints behind this
     section's own text but can't end up behind unrelated page content
     elsewhere in the (otherwise unestablished) root stacking context. */
  isolation: isolate;
  padding: var(--space-section) 0 var(--space-16);
  overflow: hidden;
}

.hub-hero::before {
  content: "";
  position: absolute;
  top: -18rem;
  left: 50%;
  width: 60rem;
  height: 36rem;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, var(--accent-soft), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.hub-hero h1 {
  font-size: var(--text-5xl);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tightest);
  font-weight: 600;
  margin: 0 0 var(--space-6);
  max-width: 22ch;
}

.hub-hero__lede {
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  color: var(--text-dim);
  max-width: 42rem;
  margin: 0 0 var(--space-5);
}

.hub-hero__note {
  font-size: var(--text-sm);
  color: var(--text-faint);
  margin: 0;
}

/* ---------- project grid ---------- */

.project-grid-section {
  padding: 0 0 var(--space-section);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-4);
}

@media (max-width: 56rem) {
  .project-grid { grid-template-columns: 1fr; }
}

.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6) var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-base) var(--ease-standard),
              border-color var(--duration-base) var(--ease-standard),
              box-shadow var(--duration-base) var(--ease-standard);
}

/* Stretched-link pattern: the card itself is a plain <div> (not an <a>) so
   that a genuinely separate, independently-clickable link — e.g. the
   GitHub badge — can sit inside it without illegally nesting <a> in <a>.
   This invisible anchor covers the whole card and carries the real
   navigation; z-index keeps it below any other real link in the card. */
.project-card__stretched-link {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
}

.project-card:has(.project-card__stretched-link:hover),
.project-card:has(.project-card__stretched-link:focus-visible) {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: var(--shadow-md);
}

.project-card__tag {
  display: inline-flex;
  align-self: flex-start;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--accent-strong);
  background: var(--accent-soft);
  border-radius: var(--radius-pill);
  padding: 0.2rem 0.65rem;
  margin: 0 0 var(--space-2);
}

.project-card__eyebrow {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-faint);
  margin: 0;
}

.project-card h2 {
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-tighter);
  margin: var(--space-2) 0 0;
}

.project-card__pitch {
  flex: 1;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--text-dim);
  margin: 0;
}

.project-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent-strong);
}

.project-card__cta svg {
  transition: transform var(--duration-base) var(--ease-standard);
}

.project-card:has(.project-card__stretched-link:hover) .project-card__cta svg,
.project-card:has(.project-card__stretched-link:focus-visible) .project-card__cta svg {
  transform: translateX(4px);
}

/* staggered reveal so the three cards settle in sequence rather than all
   at once. Sets the --reveal-delay custom property the shared
   [data-reveal] transition already reads — do not set transition-delay
   directly here, it would be overwritten by the shared shorthand
   transition declaration depending on selector specificity. */
.project-grid .project-card:nth-child(1) { --reveal-delay: 0ms; }
.project-grid .project-card:nth-child(2) { --reveal-delay: 80ms; }
.project-grid .project-card:nth-child(3) { --reveal-delay: 160ms; }

@media (prefers-reduced-motion: reduce) {
  .project-card:has(.project-card__stretched-link:hover),
  .project-card:has(.project-card__stretched-link:focus-visible) {
    transform: none;
  }
}

@media (max-width: 30rem) {
  .hub-hero h1 { max-width: none; }
}

/* ---------- source-link badge ----------
   A .badge rendered as an <a>, for linking out to a project's real GitHub
   repo. Distinct from the plain informational .badge spans: it gets a
   hover/focus state so it reads as interactive. */
.badge--link {
  position: relative;
  z-index: 2;
  align-self: flex-start;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.badge--link:hover,
.badge--link:focus-visible {
  border-color: var(--accent);
  color: var(--accent-strong);
  background: var(--accent-soft);
}
.badge--link svg { flex: none; }