/* =============================================
   skills.css — Skill tree card grid
   ============================================= */

#skills {
  padding: 100px 80px;
  position: relative;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1100px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .skills-grid { grid-template-columns: 1fr; }
}

/* ── Card base ── */
.skill-card {
  background: var(--bg);
  border: 1px solid var(--bg2);
  padding: 30px;
  position: relative;
  transition: all 0.2s;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
}
/* Diagonal texture */
.skill-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent, transparent 10px,
    rgba(255,255,255,0.01) 10px,
    rgba(255,255,255,0.01) 11px
  );
  pointer-events: none;
}
.skill-card:hover {
  border-color: var(--bg3);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

/* ── Colour variants ── */
.skill-card.yellow::before { background: var(--yellow-b); box-shadow: 0 0 10px var(--yellow); }
.skill-card.green::before  { background: var(--green-b);  box-shadow: 0 0 10px var(--green);  }
.skill-card.blue::before   { background: var(--blue-b);   box-shadow: 0 0 10px var(--blue);   }
.skill-card.orange::before { background: var(--orange-b); box-shadow: 0 0 10px var(--orange); }
.skill-card.purple::before { background: var(--purple-b); box-shadow: 0 0 10px var(--purple); }
.skill-card.aqua::before   { background: var(--aqua-b);   box-shadow: 0 0 10px var(--aqua);   }

/* ── Card internals ── */
.skill-icon {
  font-size: 28px;
  margin-bottom: 16px;
}
.skill-name {
  font-family: 'Press Start 2P', monospace;
  font-size: 11px;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.yellow .skill-name { color: var(--yellow-b); }
.green  .skill-name { color: var(--green-b);  }
.blue   .skill-name { color: var(--blue-b);   }
.orange .skill-name { color: var(--orange-b); }
.purple .skill-name { color: var(--purple-b); }
.aqua   .skill-name { color: var(--aqua-b);   }

.skill-desc {
  font-size: 12px;
  color: var(--fg2);
  line-height: 1.8;
  margin-bottom: 20px;
}

/* ── Tags ── */
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  font-size: 9px;
  padding: 4px 10px;
  background: var(--bg1);
  color: var(--fg2);
  letter-spacing: 1px;
  border-left: 2px solid;
  text-transform: uppercase;
}
.yellow .tag { border-color: var(--yellow-b); }
.green  .tag { border-color: var(--green-b);  }
.blue   .tag { border-color: var(--blue-b);   }
.orange .tag { border-color: var(--orange-b); }
.purple .tag { border-color: var(--purple-b); }
.aqua   .tag { border-color: var(--aqua-b);   }

@media (max-width: 900px) {
  #skills { padding: 80px 24px; }
}