/* ================ PROJECTS HERO ================ */
.projects-hero {
  min-height: 50vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
  position: relative;
  overflow: hidden;
}

.projects-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 70% 30%, rgba(0, 223, 196, 0.1) 0%, transparent 50%);
  z-index: 0;
}

.projects-hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  text-align: center;
  margin: 0 auto;
}

.projects-hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1.5rem;
}

.projects-hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* ================ CERTIFICATE PAGE IMPROVEMENTS ================ */
.certificate-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  padding: var(--section-spacing) 0;
}

.certificate-card {
  background: var(--secondary-light);
  border-radius: var(--element-radius);
  box-shadow: var(--shadow);
  padding: var(--card-spacing);
  text-align: center;
  border: 1px solid rgba(0, 223, 196, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.certificate-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 223, 196, 0.05), transparent);
  transition: 0.5s;
}

.certificate-card:hover::before {
  left: 100%;
}

.certificate-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0, 223, 196, 0.2);
  border-color: rgba(0, 223, 196, 0.3);
}

.certificate-thumb {
  width: 100%;
  height: 200px;
  border-radius: var(--element-radius);
  border: 2px solid var(--primary);
  margin-bottom: 1.5rem;
  object-fit: cover;
  transition: all 0.3s ease;
}

.certificate-card:hover .certificate-thumb {
  border-color: var(--primary-light);
  transform: scale(1.02);
}

.certificate-title {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 600;
}

.certificate-desc {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

.certificate-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.certificate-actions .btn {
  flex: 1;
  min-width: 120px;
  max-width: 160px;
}

/* Modal Improvements */
.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  padding: 20px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(10, 10, 10, 0.98);
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(5px);
}

.modal-content {
  max-width: 90%;
  max-height: 90%;
  border-radius: var(--element-radius);
  box-shadow: 0 0 40px rgba(0, 223, 196, 0.3);
  border: 2px solid var(--primary);
  animation: modalAppear 0.3s ease-out;
}

@keyframes modalAppear {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: #fff;
  font-size: 2.5rem;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
  z-index: 10000;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
}

.modal-close:hover {
  color: var(--primary);
  background: rgba(0, 223, 196, 0.1);
  transform: rotate(90deg);
}

/* ================ RESPONSIVE ADJUSTMENTS ================ */
@media (max-width: 768px) {
  .certificate-section {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .certificate-actions {
    flex-direction: column;
  }

  .certificate-actions .btn {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .projects-hero-title {
    font-size: 2rem;
  }

  .projects-hero-subtitle {
    font-size: 1.1rem;
  }

  .certificate-card {
    padding: 1.25rem;
  }
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem var(--container-padding);
  background: var(--secondary);
  color: var(--text-muted);
  border-top: 1px solid rgba(0, 223, 196, 0.1);
  margin-top: var(--section-spacing);
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

#live-clock {
  margin-top: 1rem;
  font-size: 0.9rem;
  display: inline-block;
  background: rgba(0, 223, 196, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  color: var(--primary);
  border: 1px solid rgba(0, 223, 196, 0.2);
}

.copyright {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
}