/* ============================================
   ACADEMICS PAGE — Premium Redesigned Styles
   ============================================ */

/* ===================================================
   ACADEMICS — MAIN SECTION
   =================================================== */
.academics {
  padding: var(--section-py) 0;
  background: linear-gradient(180deg, var(--blue-50) 0%, var(--white) 50%, var(--blue-50) 100%);
  position: relative;
  overflow: hidden;
}

/* decorative background shapes */
.academics::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(30,93,232,.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.academics::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -80px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(247,197,39,.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* ===================================================
   TABS — Pill-style navigation
   =================================================== */
.academics-tabs {
  display: flex;
  justify-content: center;
  gap: .5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.tab-btn {
  padding: .7rem 1.75rem;
  font-size: .88rem;
  font-weight: 600;
  color: var(--gray-500);
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-full);
  transition: all .35s var(--ease);
  position: relative;
  overflow: hidden;
}

.tab-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  opacity: 0;
  transition: opacity .35s var(--ease);
  z-index: -1;
}

.tab-btn:hover {
  border-color: var(--blue-300);
  color: var(--blue-600);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30,93,232,.12);
}

.tab-btn.active {
  color: var(--white);
  border-color: var(--blue-600);
  box-shadow: 0 4px 16px rgba(30,93,232,.3);
  transform: translateY(-2px);
}
.tab-btn.active::before { opacity: 1; }

.tab-content         { display: none; }
.tab-content.active  { display: block; animation: tabFadeIn .5s var(--ease); }

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===================================================
   CURRICULUM GRID — Premium Cards
   =================================================== */
.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  position: relative;
  z-index: 1;
}

.curriculum-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  border-left: 4px solid var(--blue-500);
  transition: all .4s var(--ease);
  position: relative;
  overflow: hidden;
}

/* shimmer accent on hover */
.curriculum-card::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(30,93,232,.04), transparent);
  transition: left .6s var(--ease);
}
.curriculum-card:hover::before { left: 100%; }

/* corner decoration */
.curriculum-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--blue-50), transparent);
  border-radius: 0 0 0 80px;
  opacity: 0;
  transition: opacity .4s var(--ease);
}
.curriculum-card:hover::after { opacity: 1; }

.curriculum-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-200);
}

.curriculum-card .subject-icon {
  font-size: 2.2rem;
  margin-bottom: .75rem;
  display: inline-block;
  transition: transform .3s var(--ease);
}
.curriculum-card:hover .subject-icon { transform: scale(1.15) rotate(-5deg); }

.curriculum-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: .5rem;
}

.curriculum-card p {
  font-size: .88rem;
  color: var(--gray-500);
  line-height: 1.65;
}

.curriculum-card .grade-badge {
  display: inline-block;
  margin-top: .75rem;
  font-size: .75rem;
  font-weight: 600;
  padding: .3rem .85rem;
  background: linear-gradient(135deg, var(--blue-50), var(--blue-100));
  color: var(--blue-700);
  border-radius: var(--radius-full);
  border: 1px solid var(--blue-200);
}

/* ===================================================
   SECTION DIVIDER — between curriculum and top students
   =================================================== */
.academics-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 4rem 0 3rem;
  position: relative;
  z-index: 1;
}
.academics-divider::before,
.academics-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-200), transparent);
}
.academics-divider .divider-icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 16px rgba(247,197,39,.35);
  flex-shrink: 0;
}

/* ===================================================
   RESPONSIVE — academics page
   =================================================== */
@media (max-width: 768px) {
  .academics-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .5rem;
  }
  .tab-btn {
    font-size: .82rem;
    padding: .6rem 1rem;
    text-align: center;
    white-space: nowrap;
  }
  .tab-btn:hover,
  .tab-btn.active {
    transform: none;
  }
  .academics-divider { margin: 3rem 0 2rem; }
}

@media (max-width: 480px) {
  .curriculum-grid { grid-template-columns: 1fr; }
  .curriculum-card { padding: 1.5rem; }
  .academics-divider .divider-icon { width: 40px; height: 40px; font-size: 1rem; }
}

@media (max-width: 360px) {
  .academics-tabs { grid-template-columns: 1fr; }
  .tab-btn { font-size: .8rem; padding: .5rem .75rem; }
}