/* ===== SKILLS =====
   Component kit for /skills/. Loaded on top of styles.css and reference.css
   (which supplies .ra-crumbs, .ra-hero, .ra-tag, .ra-callout and .ra-table).
   Adding a skill should only ever mean copying an .sk-card — never editing
   this file. */

/* ===== INTRO ===== */
.sk-intro {
  max-width: 760px;
  padding: var(--space-lg) 0 0;
}

.sk-intro p {
  color: #374151;
  line-height: 1.7;
}

.sk-intro p + p { margin-top: var(--space-sm); }

.sk-intro code {
  font-family: var(--ra-mono);
  font-size: 0.855em;
  background: var(--ra-code-bg);
  border: 1px solid var(--ra-border);
  border-radius: 5px;
  padding: 1px 5px;
}

/* ===== GROUP ===== */
.sk-group { padding-top: var(--space-lg); }

.sk-group:last-of-type { padding-bottom: var(--space-lg); }

.sk-group__head {
  border-bottom: 1px solid var(--ra-border);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-md);
}

.sk-group__title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.sk-group__note {
  font-size: 0.95rem;
  color: var(--color-muted);
  max-width: 620px;
  margin-top: var(--space-xs);
}

.sk-group__note a { color: var(--color-accent); }

/* ===== CARD GRID ===== */
.sk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-sm);
}

.sk-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--ra-border);
  border-radius: var(--radius);
  padding: var(--space-md);
}

.sk-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.sk-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.sk-card__slug {
  display: block;
  font-family: var(--ra-mono);
  font-size: 0.78rem;
  color: var(--color-muted);
  margin-top: 2px;
}

.sk-card__tier {
  flex-shrink: 0;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-accent);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}

.sk-card__tier--free {
  color: var(--color-muted);
  background: var(--color-surface);
  border-color: var(--ra-border);
}

.sk-card__desc {
  font-size: 0.92rem;
  color: var(--color-muted);
  line-height: 1.65;
  margin-top: var(--space-xs);
}

.sk-card__list {
  list-style: none;
  margin-top: var(--space-sm);
  font-size: 0.88rem;
  color: #374151;
  line-height: 1.6;
}

.sk-card__list li {
  position: relative;
  padding-left: 18px;
}

.sk-card__list li + li { margin-top: 5px; }

.sk-card__list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 0.6em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
}

.sk-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--ra-border);
}

.sk-card__meta {
  font-size: 0.8rem;
  color: var(--color-muted);
}

.sk-card__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.sk-card__link:hover { text-decoration: underline; }

/* Pushes the footer down so cards in a row line up. */
.sk-card__list,
.sk-card__desc { margin-bottom: 0; }

.sk-card__foot { margin-top: auto; }

/* Placeholder card — duplicate and fill in for each new skill. */
.sk-card--placeholder {
  border-style: dashed;
  background: var(--color-surface);
}

.sk-card--placeholder .sk-card__title,
.sk-card--placeholder .sk-card__link { color: var(--color-muted); }

.sk-card--placeholder .sk-card__list li::before { background: var(--ra-border-2); }

/* ===== CLOSING CTA ===== */
.sk-cta {
  border: 1px solid var(--ra-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  padding: var(--space-md);
  margin-bottom: var(--space-xl);
}

.sk-cta h2 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.sk-cta p {
  color: var(--color-muted);
  max-width: 560px;
  margin-bottom: var(--space-sm);
}

/* ===== HOMEPAGE TEASER ===== */
.skills {
  padding: var(--space-xl) 0;
  border-top: 1px solid #e5e7eb;
}

.skills__lead {
  max-width: 620px;
  color: var(--color-muted);
  margin: calc(-1 * var(--space-sm)) 0 var(--space-md);
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-sm);
}

.skill-tile {
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  padding: var(--space-md);
  background: var(--color-bg);
}

.skill-tile__eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.skill-tile h3 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-xs);
}

.skill-tile p {
  font-size: 0.93rem;
  color: var(--color-muted);
  line-height: 1.65;
}

.skills__link {
  display: inline-block;
  margin-top: var(--space-md);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.skills__link:hover { text-decoration: underline; }

@media (max-width: 768px) {
  .sk-card__head { flex-direction: column; }
}