/* =====================================================
   EDUCATION PAGE STYLES
   ===================================================== */

/* ----- Hero Section ----- */
.edu-hero {
  padding: calc(70px + var(--space-3xl)) 0 var(--space-2xl);
  background: linear-gradient(135deg, var(--dark) 0%, var(--blue-accent) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.edu-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 100%;
  height: 200%;
  background: radial-gradient(circle, rgba(12, 206, 173, 0.1) 0%, transparent 50%);
}

.edu-hero h1 {
  color: var(--white);
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--space-sm);
  position: relative;
  z-index: 2;
}

.edu-hero .lead {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  position: relative;
  z-index: 2;
}

/* ----- Section Heading ----- */
.section-heading {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: var(--space-2xl);
  position: relative;
  display: inline-block;
  width: 100%;
}

.section-heading::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--teal), var(--blue-accent));
  border-radius: 2px;
}

.section-heading.text-white {
  color: var(--white);
}

/* ----- Education Timeline Section ----- */
.edu-timeline-section {
  padding: var(--space-3xl) 0;
  background: var(--gray-50);
}

.edu-timeline {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.edu-timeline::before {
  content: '';
  position: absolute;
  left: 120px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--teal), var(--blue-accent));
  border-radius: 2px;
}

.edu-item {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  position: relative;
}

.edu-item::before {
  content: '';
  position: absolute;
  left: 113px;
  top: 30px;
  width: 16px;
  height: 16px;
  background: var(--teal);
  border-radius: 50%;
  border: 3px solid var(--white);
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.edu-item.featured::before {
  background: gold;
  width: 20px;
  height: 20px;
  left: 111px;
}

.edu-year {
  flex: 0 0 100px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--teal);
  text-align: right;
  padding-top: 25px;
}

.edu-content {
  flex: 1;
  display: flex;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  margin-left: var(--space-lg);
}

.edu-content:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-lg);
}

.edu-details {
  flex: 1;
}

.edu-details h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
  color: var(--dark);
}

.edu-institution {
  color: var(--blue-accent);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.edu-details p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

.award-badge {
  display: inline-block;
  background: linear-gradient(135deg, #ffd700 0%, #ffb700 100%);
  color: var(--dark);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  margin-top: var(--space-sm);
}

.edu-logo {
  flex: 0 0 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: var(--space-md);
}

.edu-logo img {
  max-width: 80px;
  max-height: 80px;
  object-fit: contain;
}

/* ----- Documents Section ----- */
.documents-section {
  padding: var(--space-3xl) 0;
  background: var(--white);
}

.documents-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
}

.document-card {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.document-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.document-icon {
  font-size: 4rem;
  margin-bottom: var(--space-md);
}

.document-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.document-card p {
  color: var(--text-light);
  margin-bottom: var(--space-lg);
}

/* ----- Achievements Section ----- */
.achievements-section {
  padding: var(--space-3xl) 0;
  background: var(--blue-accent);
  position: relative;
  overflow: hidden;
}

.achievements-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
  background-size: 30px 30px;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  position: relative;
  z-index: 2;
}

.achievement-item {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition);
}

.achievement-item:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-5px);
}

.achievement-year {
  display: inline-block;
  background: var(--teal);
  color: var(--white);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.achievement-item h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
}

.achievement-item p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  margin: 0;
}

/* ----- Responsive ----- */

/* Tablet (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  .edu-hero {
    padding: calc(70px + var(--space-2xl)) 0 var(--space-xl);
  }

  .edu-hero h1 {
    font-size: 3rem;
  }

  .edu-hero .lead {
    font-size: 1.1rem;
  }

  .edu-timeline-section {
    padding: var(--space-2xl) 0;
  }

  .section-heading {
    font-size: 2rem;
    margin-bottom: var(--space-xl);
  }

  .edu-timeline::before {
    left: 100px;
  }

  .edu-item::before {
    left: 93px;
  }

  .edu-item.featured::before {
    left: 91px;
  }

  .edu-year {
    flex: 0 0 80px;
    font-size: 1rem;
  }

  .edu-content {
    margin-left: var(--space-md);
    padding: var(--space-md);
  }

  .edu-details h3 {
    font-size: 1.1rem;
  }

  .edu-institution {
    font-size: 0.9rem;
  }

  .edu-details p {
    font-size: 0.9rem;
  }

  .edu-logo {
    flex: 0 0 80px;
  }

  .edu-logo img {
    max-width: 65px;
    max-height: 65px;
  }

  .documents-section {
    padding: var(--space-2xl) 0;
  }

  .document-card {
    padding: var(--space-xl);
  }

  .achievements-section {
    padding: var(--space-2xl) 0;
  }

  .achievements-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .achievement-item {
    padding: var(--space-md);
  }

  .achievement-item h4 {
    font-size: 1rem;
  }

  .achievement-item p {
    font-size: 0.85rem;
  }
}

@media (max-width: 768px) {
  .edu-hero {
    padding: calc(70px + var(--space-xl)) 0 var(--space-lg);
  }

  .edu-hero h1 {
    font-size: 2.5rem;
  }

  .edu-timeline::before {
    left: 20px;
  }

  .edu-item {
    flex-direction: column;
    padding-left: 50px;
  }

  .edu-item::before {
    left: 13px;
    top: 0;
  }

  .edu-item.featured::before {
    left: 11px;
  }

  .edu-year {
    text-align: left;
    padding-top: 0;
    margin-bottom: var(--space-xs);
  }

  .edu-content {
    margin-left: 0;
    flex-direction: column;
  }

  .edu-logo {
    padding-left: 0;
    padding-top: var(--space-md);
    justify-content: flex-start;
  }

  .documents-grid {
    grid-template-columns: 1fr;
  }

  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .achievements-grid {
    grid-template-columns: 1fr;
  }
}