/* ════════════════════════════════════════
   MENTORS.CSS — Instructors / Mentors Section
════════════════════════════════════════ */

#instructors { background: var(--bg); }

.instructors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px,1fr));
  gap: 1.25rem; margin-top: 3rem;
}

/* Instructor Card */
.instructor-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; padding: 1.8rem 1.4rem;
  text-align: center; transition: all .3s;
  position: relative; overflow: hidden;
}
.instructor-card::before {
  content: ''; position: absolute; top: -60px; left: 50%; transform: translateX(-50%);
  width: 120px; height: 120px; border-radius: 50%;
  filter: blur(50px); opacity: 0; transition: opacity .4s;
}
.ic1::before { background: var(--cyan); }
.ic2::before { background: var(--violet); }
.ic3::before { background: var(--pink); }
.ic4::before { background: var(--green); }
.instructor-card:hover::before { opacity: .25; }
.instructor-card:hover { border-color: var(--border2); transform: translateY(-5px); box-shadow: 0 20px 50px rgba(0,0,0,.4); }

/* Avatar */
.inst-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  margin: 0 auto 1rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; border: 2px solid var(--border);
  position: relative; z-index: 1;
}
.inst-avatar svg { width: 44px; height: 44px; }
.ia1 { background: linear-gradient(135deg,#041a24,#073548); }
.ia2 { background: linear-gradient(135deg,#120428,#26084e); }
.ia3 { background: linear-gradient(135deg,#280418,#4e082c); }
.ia4 { background: linear-gradient(135deg,#04180c,#083018); }

/* Info */
.inst-name { font-weight: 700; font-size: 1rem; letter-spacing: -.01em; margin-bottom: .2rem; }
.inst-role { font-size: .78rem; color: var(--cyan); font-weight: 600; margin-bottom: .5rem; }
.inst-exp { font-size: .78rem; color: var(--text3); }

/* Stars */
.inst-stars {
  display: flex; align-items: center; justify-content: center;
  gap: .25rem; margin-top: .75rem;
}
.inst-stars svg { width: 14px; height: 14px; color: var(--gold); }
.inst-stars span { font-size: .8rem; font-weight: 600; color: var(--text2); margin-left: .3rem; }

/* Tags */
.inst-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: .35rem; margin-top: .75rem; }
.inst-tag {
  font-size: .68rem; font-weight: 600; padding: .15rem .45rem;
  border-radius: 4px; background: rgba(255,255,255,.04); color: var(--text3);
  border: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 600px) {
  .instructors-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 400px) {
  .instructors-grid { grid-template-columns: 1fr; }
}