/* ============================================================
   Skills: the categorised skill groups. The chips inside them are
   shared (css/styles.css) because Experience uses them too.
   Markup: <section id="skills"> in index.html.
   ============================================================ */

/* ======================================================
   Skills — categorised groups of chips
   ====================================================== */

.skill-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 18px;
  max-width: 1290px;
  margin: 0 auto;
}

.skill-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px 22px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.skill-group:hover {
  transform: translateY(-5px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-accent);
}

.skill-group-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.skill-group-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 13px;
  font-size: 1.45rem;
  color: var(--accent);
  background: var(--gradient-soft);
  border: 1px solid var(--border-accent);
  transition: transform 0.3s var(--ease);
}

.skill-group:hover .skill-group-icon {
  transform: scale(1.08) rotate(-4deg);
}

.skill-group-title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.25;
}

.skill-group-sub {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.4;
}

@media (max-width: 560px) {
  .skill-groups {
      grid-template-columns: 1fr;
    }

  .skill-group {
      padding: 20px 18px;
    }
}

@media (prefers-reduced-motion: reduce) {
  .skill-group {
      transition: none !important;
    }
}